CN103959677B - Communication method, apparatus and system - Google Patents

Communication method, apparatus and system Download PDF

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Publication number
CN103959677B
CN103959677B CN201280040623.0A CN201280040623A CN103959677B CN 103959677 B CN103959677 B CN 103959677B CN 201280040623 A CN201280040623 A CN 201280040623A CN 103959677 B CN103959677 B CN 103959677B
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CN
China
Prior art keywords
equipment
downlink control
control information
benefited
information
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Active
Application number
CN201280040623.0A
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Chinese (zh)
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CN103959677A (en
Inventor
朱松
李龠
郭小龙
吕永霞
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
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Publication of CN103959677A publication Critical patent/CN103959677A/en
Application granted granted Critical
Publication of CN103959677B publication Critical patent/CN103959677B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0466—Wireless resource allocation based on the type of the allocated resource the resource being a scrambling code

Abstract

The present invention relates to a communication method, an apparatus and a system. The method comprises: determining a scrambling code used for scrambling downlink control information and using the scrambling code to perform scrambling processing on the downlink control information to obtain scrambled downlink control information; and sending the downlink control information and downlink data indicated by the downlink control information to a benefiting device and a support device, enabling the benefiting device and the support device to respectively descramble the scrambled downlink control information to obtain the downlink control information, and enabling the support device to determine, according to the scrambling code and/or the downlink control information, that the downlink data indicated by the downlink control information is data used for supporting the benefiting device, so that the benefiting device determines the support device allocated by a base station according to the scrambling code and/or the downlink control information. Embodiments of the present invention implement sending of the downlink control information and the downlink data to the benefiting device and the support device at the same time, and enable the support device to forward the downlink data that is received to the benefiting device, improving throughput and/or reliability of data transmission of the benefiting device.

Description

The methods, devices and systems of communication
Technical field
The present invention relates to moving communicating field, more particularly to a kind of methods, devices and systems of communication.
Background technology
With the fast development of mobile communication technology, the mobile communication network of multiple types is occurred in that at present, for example, Global system for mobile communications (Global System of Mobile communication, GSM) network, general grouped wireless Service technology (General Packet Radio Service, GPRS) system, WCDMA (Wideband Code Division Multiple Access, WCDMA) network, CDMA-2000 networks, TD SDMA (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA) network, worldwide interoperability for microwave (Worldwide Interoperability for Microwave Access, WiMAX) network etc. is accessed, these movements are logical Communication network system generally also provides data communication service in addition to providing voice communication service, therefore user can use this The data communication service that a little mobile communication system are provided is uploading and download various data.
The reliability and/or throughput of the data transfer of user equipment are improved using the means of communication of enhancement mode, such as may be used To improve the user equipment in cell edge using multipoint cooperative (Coordinated Multipoint, CoMP) transmission Reliability, the throughput of user is improved using carrier aggregation (Carrier Aggregation, CA)；But in user equipment During residing ecological deterioration, the throughput and/or reliability of the data transfer of user equipment will drastically decline.
The content of the invention
Embodiments provide a kind of methods, devices and systems of communication, it is possible to achieve at the same to benefited equipment and Support equipment sends data, and makes support equipment by the data forwarding of the transmission for receiving to benefited equipment to benefited equipment, carries The throughput and/or reliability of the high data transfer of benefited equipment.
First aspect, there is provided a kind of method of communication, methods described includes：
Support equipment receives the scrambling Downlink Control Information that base station sends；
Scramble process is carried out to the scrambling Downlink Control Information, Downlink Control Information is obtained；
The scrambler used according to the scrambling Downlink Control Information and/or the Downlink Control Information, determine described descending Downlink data indicated by control information is the data of equipment of being benefited；
Obtain the data of the benefited equipment indicated by the Downlink Control Information, and by the number of the described benefited equipment for obtaining According to transmission to the benefited equipment.
It is described that the scrambling Downlink Control Information is carried out before scramble process in the first possible implementation, Also include：Receive the scrambler for scrambling the Downlink Control Information that the base station sends.
With reference to the first possible implementation of first aspect, in second possible implementation, the scrambler For the benefited equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the support equipment Identification information or including for mark synthesis communication identification information and the support equipment identification information；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine described descending The downlink data that control information is indicated is for supporting the data of benefited equipment to include：According to the scrambler and the descending control The identification information of the support equipment that information includes or included according to the scrambler and the Downlink Control Information The identification information and the identification information of the support equipment for mark synthesis communication, determines that the downlink data is use In the data of the support benefited equipment, and determine that the support equipment supports the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine described descending The downlink data that control information is indicated is for supporting the data of benefited equipment to specifically include：According to the scrambler, it is determined that described Downlink data is, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment；Or, The identification information of the support equipment included according to the Downlink Control Information or according in the Downlink Control Information Including it is described for mark synthesis communication identification information and the support equipment identification information, determine the lower line number According to for for supporting the data of the benefited equipment, and determine that the support equipment supports the benefited equipment.
With reference to the first possible implementation of first aspect, in the third possible implementation, the scrambler For the support equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the benefited equipment Identification information or including for mark synthesis communication identification information and the benefited equipment identification information；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine described descending The downlink data that control information is indicated is for supporting the data of benefited equipment to include：According to the scrambler and the descending control The identification information of the described benefited equipment in information or according to the scrambler and the Downlink Control Information include The identification information of identification information and the benefited equipment for mark synthesis communication, determines that the downlink data is for propping up The data of the benefited equipment are supportted, and determines that the downlink data supports the benefited equipment by the support equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine described descending The downlink data that control information is indicated is for supporting the data of benefited equipment to include：According to the scrambler, determine described descending Data are, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment；Or, according to The identification information of the support equipment that the Downlink Control Information includes or included according to the Downlink Control Information It is described for mark synthesis communication identification information and the support equipment identification information, determine that the downlink data is For supporting the data of the benefited equipment, and determine that the support equipment supports the benefited equipment.
With reference to the first possible implementation of first aspect, in the 4th kind of possible implementation, the scrambler For the scrambling Radio Network Temporary Identifier information that the base station is distributed in advance for the benefited equipment and the support equipment When, the Downlink Control Information includes the identification information of the benefited equipment or the identification information of the support equipment or bag Include for the mark letter of the identification information of mark synthesis communication and the identification information of the benefited equipment or the support equipment Breath；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine described descending The downlink data that control information is indicated is for supporting the data of benefited equipment to include：According to the scrambler and the descending control The identification information of the described benefited equipment that information includes or the identification information of the support equipment, or according to the scrambler and The Downlink Control Information include for mark synthesis communication identification information and the benefited equipment identification information or The identification information of the support equipment, determines that the downlink data that the Downlink Control Information is indicated is for supporting described being benefited to set Standby data, and determine that the downlink data supports the benefited equipment by the support equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine described descending The downlink data that control information is indicated is for supporting the data of benefited equipment to include：According to the scrambler, determine described descending The downlink data that control information is indicated is, for supporting the data of the benefited equipment, and to determine the downlink data by described Support equipment supports the benefited equipment；Or, the mark letter of the described benefited equipment included according to the Downlink Control Information The identification information of breath or the support equipment, or included being closed for identifying according to the scrambler and the Downlink Control Information Into communication identification information and the benefited equipment identification information or the identification information of the support equipment, determine it is described under The downlink data that row control information is indicated is, for supporting the data of the benefited equipment, and to determine the downlink data by described Support equipment supports the benefited equipment.
It is described to obtain in the 5th kind of possible implementation with reference to the first possible implementation of first aspect The data is activation of the described benefited equipment for taking to the benefited equipment includes：According to the instruction carried in the Downlink Control Information Information, power amplification process is carried out to the downlink data, and the downlink data after power amplification is processed is forwarded to described receiving Beneficial equipment, the configured information be in the Downlink Control Information carry be used to refer to by obtain described benefited equipment number According to the information for being amplified forwarding；Or process is demodulated to the downlink data obtains soft bit information, according to described descending In control information carry the soft bit information by the downlink data be forwarded to the benefited equipment configured information or according to Scheduling message that base station sends or the request message of the acquisition downlink data sent according to benefited equipment or according to default Transmission time interval, the soft bit information is forwarded to into the benefited equipment；Or place is demodulated to the downlink data Reason obtains soft bit information, and to the soft bit information decoding process is carried out, and obtains decoding data, according to the descending control letter The soft bit information by the downlink data carried in breath is forwarded to the configured information of the benefited equipment or is sent out according to base station The request message of the scheduling message that send or the acquisition downlink data sent according to benefited equipment or according to default transmission Time interval, by the decoding data the benefited equipment is forwarded to.
Second aspect, additionally provides a kind of method of communication, and methods described includes：
Benefited equipment receives the scrambling Downlink Control Information that base station sends；
Scramble process is carried out to the scrambling Downlink Control Information, Downlink Control Information is obtained；
The scrambler used according to the scrambling Downlink Control Information and/or the Downlink Control Information, determine described being benefited The support equipment of equipment, and receive the lower line number of the Downlink Control Information scheduling that the base station and the support equipment send According to.
It is described that scramble process is carried out to the scrambling Downlink Control Information in the first possible implementation, obtain Also include before Downlink Control Information：Receive the scrambler for scrambling the Downlink Control Information that the base station sends.
With reference to the first possible implementation of second aspect, in second possible implementation, the scrambler For the benefited equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the support equipment Identification information or including for mark synthesis communication identification information and the support equipment identification information；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine described being benefited The support equipment of equipment includes：The mark letter of the support equipment included according to the scrambler and the Downlink Control Information Breath or according to the scrambler and the Downlink Control Information include be used for mark synthesis communication identification information with And the identification information of the support equipment, determine the support equipment of the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine described being benefited The support equipment of equipment includes：According to the scrambler, the support equipment of the benefited equipment is determined；Or, according to described descending The identification information of the support equipment that control information includes or the use included according to the Downlink Control Information In the identification information and the identification information of the support equipment of mark synthesis communication, the support for determining the benefited equipment sets It is standby.
With reference to the first possible implementation of second aspect, in the third possible implementation, the scrambler For the support equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the benefited equipment Identification information or including for mark synthesis communication identification information and the income equipment identification information；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine described being benefited The support equipment of equipment includes：The mark letter of the described benefited equipment included according to the scrambler and the Downlink Control Information Breath or according to the scrambler and the Downlink Control Information include be used for mark synthesis communication identification information with And the identification information of the benefited equipment, determine the support equipment of the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine described being benefited The support equipment of equipment includes：According to the scrambler, the support equipment of the benefited equipment is determined；Or, according to described descending The identification information of the described benefited equipment that control information includes or the use included according to the Downlink Control Information In the identification information and the identification information of the benefited equipment of mark synthesis communication, the support for determining the benefited equipment sets It is standby.
With reference to the first possible implementation of second aspect, in the 4th kind of possible implementation, the scrambler For the base station be the benefited equipment and the support equipment distribution one scrambling Radio Network Temporary Identifier information when, institute Stating Downlink Control Information includes the identification information of the benefited equipment or the identification information of the support equipment or including use In the identification information and the identification information or the identification information of the support equipment of the benefited equipment of mark synthesis communication；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine described being benefited The support equipment of equipment includes：The mark letter of the described benefited equipment included according to the scrambler and the Downlink Control Information Breath or the support equipment identification information or according to the scrambler and the Downlink Control Information include for identifying The identification information of synthesis communication and the identification information or the identification information of the support equipment of the benefited equipment, it is determined that described The support equipment of benefited equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine described being benefited The support equipment of equipment includes：According to the scrambler, the support equipment of the benefited equipment is determined；Or, according to described descending The identification information of the described benefited equipment that control information includes or the identification information of the support equipment or according under described Identification information and the identification information or described of the benefited equipment for mark synthesis communication that row control information includes The identification information of support equipment, determines the support equipment of the benefited equipment.
It is described to receive the described descending of the base station transmission in the 5th kind of possible implementation with reference to second aspect After the downlink data of control information scheduling, also include：Process is demodulated to the downlink data and obtains the first soft bit letter Breath, to first soft bit information decoding process is carried out, and the support equipment is obtained to described descending if decoding failure Data are demodulated the second soft bit information for obtaining, and first soft bit information is carried out with second soft bit information Merging obtains gathering soft bit information；Decoding process, the backward base station of successfully decoded are carried out to the set soft bit information Send and confirm response message, otherwise send negative acknowledgment message to the base station.
The third aspect, additionally provides a kind of method of communication, and methods described includes：
It is determined that the scrambler for scrambling Downlink Control Information, is scrambled using the scrambler to the Downlink Control Information Process, obtain scrambling Downlink Control Information；
The scrambling Downlink Control Information and the descending control of the scrambling are sent to the benefited equipment and the support equipment The downlink data that information processed is indicated, to the benefited equipment and the support equipment respectively to the scrambling Downlink Control Information The Downlink Control Information is obtained after descrambling, and makes the support equipment according to the scrambler and/or the Downlink Control Information The downlink data for determining the Downlink Control Information instruction is the data for supporting the benefited equipment, makes described being benefited Equipment determines the support that the base station is the benefited equipment distribution according to the scrambler and/or the Downlink Control Information Equipment.
It is described to determine for after the scrambler for scrambling Downlink Control Information, also wrapping in the first possible implementation Include：The scrambler is sent to the benefited equipment and the support equipment.
With reference to the first possible implementation of the third aspect, in second possible implementation, the determination Scrambler for scrambling Downlink Control Information is specifically included：For the benefited equipment distribution Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter Breath；It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the benefited equipment Breath；The Downlink Control Information includes the identification information of the support equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, at least include in the Downlink Control Information for mark synthesis communication identification information and The identification information of the support equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate State the communication that support equipment supports the benefited equipment.
With reference to the first possible implementation of the third aspect, in the third possible implementation, the determination Scrambler for scrambling Downlink Control Information is specifically included：For support equipment distribution Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter Breath；It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the support equipment Breath；The Downlink Control Information includes the identification information of the benefited equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, the Downlink Control Information includes the identification information and described for mark synthesis communication The identification information of benefited equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate described Support equipment supports the benefited equipment communication.
With reference to the first possible implementation of the third aspect, in the 4th kind of possible implementation, the determination Scrambler for scrambling Downlink Control Information includes：It is that the support equipment and the benefited equipment distribution cell-radio network face When identification information；It is determined that for scrambling the scrambler of the Downlink Control Information for the scrambling Radio Network Temporary Identifier information； The scrambling Radio Network Temporary Identifier information supports the benefited equipment to indicate the support equipment；Or, it is described under Row control information includes the identification information of the benefited equipment and/or the identification information of the support equipment, to indicate The data that downlink data is the benefited equipment are stated, and to indicate that the support equipment supports the benefited equipment.
With reference to the third aspect, in the 5th kind of possible implementation, it is described determine for scrambling to send to be benefited set Before the scrambler of the Downlink Control Information of the support equipment of the standby and benefited equipment, also include：Carrying for the benefited equipment It is described pre- for selecting to meet pre-conditioned equipment as the support equipment of the benefited equipment in all devices of supporting If condition is that signal quality is best.
Fourth aspect, there is provided a kind of device of communication, described device includes：
Transmission unit, for support equipment the scrambling Downlink Control Information that base station sends is received, and by under the scrambling Row control information is transmitted to Descrambling unit；
Descrambling unit, for receiving the scrambling Downlink Control Information that the transmission unit sends, according to the scrambling Scrambler and/or the Downlink Control Information that Downlink Control Information is used, determine the lower line number that the Downlink Control Information is indicated According to for for supporting the data of benefited equipment, and the Downlink Control Information is transmitted to determining unit and acquiring unit；
Determining unit, it is descending according to the scrambling for receiving the Downlink Control Information that the Descrambling unit sends Scrambler or the scrambler and the Downlink Control Information that control information is used, under determining that the Downlink Control Information is indicated Row data are the data for supporting benefited equipment；
Transmitting element, for receiving the Downlink Control Information that the Descrambling unit sends, obtains the descending control The data of the benefited equipment that information is indicated, and by the data is activation of the described benefited equipment for obtaining to the benefited equipment.
In the first possible implementation, the transmission unit is additionally operable to, receive that the base station sends for plus Disturb the scrambler of the Downlink Control Information.
With reference to the first possible implementation of fourth aspect, in second possible implementation, the scrambler For the benefited equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the support equipment Identification information or including for mark synthesis communication identification information and the support equipment identification information；It is described true Order unit specifically for：The identification information of the support equipment included according to the scrambler and the Downlink Control Information, Or according to the scrambler and the Downlink Control Information include be used for mark synthesis communication identification information and The identification information of the support equipment, determines that the downlink data is, for supporting the data of the benefited equipment, and to determine institute State support equipment and support the benefited equipment；Or, according to the scrambler, determine that the downlink data is for supporting described receiving The data of beneficial equipment, and determine that the support equipment supports the benefited equipment；Or, include according to the Downlink Control Information The support equipment identification information or according to the Downlink Control Information includes be used for mark synthesis communication Identification information and the support equipment identification information, determine that the downlink data is for supporting the benefited equipment Data, and determine that the support equipment supports the benefited equipment.
With reference to the first possible implementation of fourth aspect, in the third possible implementation, the scrambler For the support equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the benefited equipment Identification information or including for mark synthesis communication identification information and the benefited equipment identification information；It is described true Order unit specifically for：The identification information of the described benefited equipment in the scrambler and the Downlink Control Information or It is used for the identification information and described of mark synthesis communication according to the scrambler and the Downlink Control Information include The identification information of benefited equipment, determine the downlink data be for supporting the data of the benefited equipment, and determine it is described under Row data support the benefited equipment by the support equipment；Or, according to the scrambler, determine the downlink data be for The data of the benefited equipment are supported, and determines that the support equipment supports the benefited equipment；Or, according to the descending control The identification information of the support equipment that information processed includes or it is used for according to the Downlink Control Information includes The identification information of mark synthesis communication and the identification information of the support equipment, determine that the downlink data is for supporting The data of benefited equipment are stated, and determines that the support equipment supports the benefited equipment.
With reference to the first possible implementation of fourth aspect, in the 4th kind of possible implementation, the scrambler For the scrambling Radio Network Temporary Identifier information that the base station is distributed in advance for the benefited equipment and the support equipment When, the Downlink Control Information includes the identification information of the benefited equipment or the identification information of the support equipment or bag Include for the mark letter of the identification information of mark synthesis communication and the identification information of the benefited equipment or the support equipment Breath；The determining unit is specially：The mark of the described benefited equipment included according to the scrambler and the Downlink Control Information The identification information of knowledge information or the support equipment, or included for marking according to the scrambler and the Downlink Control Information Know the identification information of synthesis communication and the identification information or the identification information of the support equipment of the benefited equipment, determine institute The downlink data for stating Downlink Control Information instruction be for supporting the data of the benefited equipment, and determine the downlink data by The support equipment supports the benefited equipment；Or, according to the scrambler, determine that the Downlink Control Information is indicated descending Data are, for supporting the data of the benefited equipment, and to determine that the downlink data supports described being benefited by the support equipment Equipment；Or, the identification information of the described benefited equipment included according to the Downlink Control Information or the support equipment Identification information, or according to the scrambler and the Downlink Control Information include for mark synthesis communication identification information with And the identification information or the identification information of the support equipment of the benefited equipment, under determining that the Downlink Control Information is indicated Row data are, for supporting the data of the benefited equipment, and to determine that the downlink data is received described in the support equipment is supported Beneficial equipment.
With reference to the first possible implementation of fourth aspect, in the 5th kind of possible implementation, the transmission Unit specifically for：According to the configured information carried in the Downlink Control Information, power amplification is carried out to the downlink data Process, and the downlink data after power amplification is processed is forwarded to the benefited equipment, the configured information is the descending control The data of the described benefited equipment for obtaining are amplified the information of forwarding by being used to refer to of carrying in information processed；Or under described Row data are demodulated process and obtain soft bit information, according to what is carried the downlink data in the Downlink Control Information Soft bit information is forwarded to the configured information of the benefited equipment or the scheduling message according to base station transmission or sets according to being benefited The request message of the acquisition downlink data that preparation is sent or according to default transmission time interval, by the soft bit information It is forwarded to the benefited equipment；Or process is demodulated to the downlink data obtains soft bit information, the soft bit is believed Breath carries out decoding process, obtains decoding data, according to the soft ratio by the downlink data carried in the Downlink Control Information Special information is forwarded to the configured information of the benefited equipment or the scheduling message according to base station transmission or is sent out according to benefited equipment The request message of the acquisition downlink data for sending or according to default transmission time interval, the decoding data is forwarded to The benefited equipment.
5th aspect, additionally provides a kind of device of communication, and described device includes：
Transmission unit, for equipment of being benefited the scrambling Downlink Control Information that base station sends is received, and by under the scrambling Row control information is transmitted to Descrambling unit；
Descrambling unit, for receiving the scrambling Downlink Control Information that the transmission unit sends, under the scrambling Row control information carries out scramble process, obtains Downlink Control Information, and the Downlink Control Information is transmitted to determining unit；
Determining unit, it is descending according to the scrambling for receiving the Downlink Control Information that the Descrambling unit sends Scrambler and/or the Downlink Control Information that control information is used, determine the support equipment of the benefited equipment, and receive described The downlink data of the Downlink Control Information scheduling that base station and the support equipment send.
In the first possible implementation, the transmission unit is additionally operable to：Receive that the base station sends for plus Disturb the scrambler of the Downlink Control Information.
With reference to the first possible implementation of the 5th aspect, in second possible implementation, the scrambler For the benefited equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the support equipment Identification information or including for mark synthesis communication identification information and the support equipment identification information；The determination Unit specifically for：The identification information of the support equipment included according to the scrambler and the Downlink Control Information or Person is used for the identification information of mark synthesis communication and institute according to the scrambler and the Downlink Control Information include The identification information of support equipment is stated, the support equipment of the benefited equipment is determined；Or, according to the scrambler, it is determined that described receive The support equipment of beneficial equipment；Or, the identification information of the support equipment included according to the Downlink Control Information or Identification information and the support equipment according to the Downlink Control Information includes for mark synthesis communication Identification information, determines the support equipment of the benefited equipment.
With reference to the first possible implementation of the 5th aspect, in the third possible implementation, the scrambler For the support equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the benefited equipment Identification information or including for mark synthesis communication identification information and the income equipment identification information；The determination Unit specifically for：The identification information of the described benefited equipment included according to the scrambler and the Downlink Control Information or Person is used for the identification information of mark synthesis communication and institute according to the scrambler and the Downlink Control Information include The identification information of benefited equipment is stated, the support equipment of the benefited equipment is determined；Or, according to the scrambler, it is determined that described receive The support equipment of beneficial equipment；Or, the identification information of the described benefited equipment included according to the Downlink Control Information or Identification information and the benefited equipment according to the Downlink Control Information includes for mark synthesis communication Identification information, determines the support equipment of the benefited equipment.
With reference to the first possible implementation of the 5th aspect, in the 4th kind of possible implementation, the scrambler For the scrambling Radio Network Temporary Identifier information that the base station is distributed in advance for the benefited equipment and the support equipment When, the Downlink Control Information include the identification information of the benefited equipment or the identification information of the support equipment or Including the identification information for mark synthesis communication and the identification information or the mark of the support equipment of the benefited equipment Information；The determining unit specifically for：According to the described benefited equipment that the scrambler and the Downlink Control Information include Identification information or the support equipment identification information or included according to the scrambler and the Downlink Control Information The identification information or the identification information of the support equipment of identification information and the benefited equipment for mark synthesis communication, Determine the support equipment of the benefited equipment；Or, according to the scrambler, determine the support equipment of the benefited equipment；Or, The identification information of the described benefited equipment included according to the Downlink Control Information or the identification information of the support equipment or Identification information and the mark of the benefited equipment for mark synthesis communication that person includes according to the Downlink Control Information The identification information of knowledge information or the support equipment, determines the support equipment of the benefited equipment.
With reference to the 5th aspect, in the 5th kind of possible implementation, described device also includes：Processing unit, for right The downlink data is demodulated process and obtains the first soft bit information, and to first soft bit information decoding process is carried out, The support equipment is obtained if decoding failure the second soft bit information for obtaining is demodulated to the downlink data, by institute State the first soft bit information merge with second soft bit information obtain gather soft bit information；Transmitting element, is used for To it is described set soft bit information carry out decoding process, after successfully decoded to the base station send confirm response message, otherwise to The base station sends negative acknowledgment message.
6th aspect, additionally provides a kind of device of communication, and described device includes：
Determining unit, for determining the scrambler for scrambling Downlink Control Information, using the scrambler to the descending control Information processed carries out scrambling process, obtains scrambling Downlink Control Information, and the scrambling Downlink Control Information is transmitted to described Transmission unit；
Transmission unit, the scrambling Downlink Control Information and the scrambling for receiving the determining unit transmission is descending The downlink data that control information is indicated, to the benefited equipment and the support equipment scrambling Downlink Control Information is sent, To the benefited equipment and the support equipment respectively to obtaining the descending control after the scrambling Downlink Control Information descrambling Information processed, and make the support equipment determine the Downlink Control Information according to the scrambler and/or the Downlink Control Information The data for indicating are the data for supporting the benefited equipment, make the benefited equipment according to the scrambler and/or institute State the support equipment that Downlink Control Information determines that the base station is the benefited equipment distribution.
In the first possible implementation, the transmitting element is additionally operable to：To the benefited equipment and the support Equipment sends the scrambler.
With reference to the first possible implementation of the 6th aspect, in second possible implementation, the transmission Unit is additionally operable to：The scrambler is sent to the benefited equipment and the support equipment.
With reference to the first possible implementation of the 6th aspect, in the third possible implementation, the determination Unit specifically for：Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the support equipment；It is determined that described descending for scrambling The scrambler of control information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of the support equipment；The Downlink Control Information includes The identification information of the benefited equipment, to indicate that the support equipment supports the communication of the benefited equipment；Or, it is described under Row control information includes the identification information of the identification information for mark synthesis communication and the benefited equipment, to indicate The downlink data is the data for synthesis communication, and to indicate that the support equipment supports the benefited equipment communication.
With reference to the first possible implementation of the 6th aspect, in the 4th kind of possible implementation, the determination Unit specifically for：It is that the support equipment and the benefited equipment distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information；It is determined that with Radio Network Temporary Identifier information is scrambled in the scrambler for scrambling the Downlink Control Information for described；The scrambling wireless network faces When identification information support the benefited equipment to indicate the support equipment；Or, the Downlink Control Information includes institute The identification information of benefited equipment and/or the identification information of the support equipment are stated, is received for described to indicate the downlink data The data of beneficial equipment, and to indicate that the support equipment supports the benefited equipment.
With reference to the 6th aspect, in the 5th kind of possible implementation, described device also includes：Select unit, for To there is provided selected in all devices of supporting for the benefited equipment and meet pre-conditioned equipment as the benefited equipment Support equipment, it is described it is pre-conditioned for signal quality it is best.
7th aspect, additionally provides a kind of support equipment, and the equipment includes：
Receiver, for support equipment the scrambling Downlink Control Information that base station sends is received, and the scrambling is descending Control information is transmitted to processor；
Processor, it is descending according to the scrambling for receiving the scrambling Downlink Control Information that the receiver sends Scrambler and/or the Downlink Control Information that control information is used, determine that the downlink data that the Downlink Control Information is indicated is For supporting the data of benefited equipment, and scrambler or the scrambler and the institute that Downlink Control Information is used is scrambled according to described Downlink Control Information is stated, the downlink data for determining the Downlink Control Information instruction is the data for supporting benefited equipment, with And the Downlink Control Information is transmitted to transmitter；
Transmitter, for receiving the Downlink Control Information that the Descrambling unit sends, obtains the descending control letter The data of the benefited equipment that breath is indicated, and by the data is activation of the described benefited equipment for obtaining to the benefited equipment.
In the first possible implementation, the receiver is additionally operable to, receive that the base station sends for scrambling The scrambler of the Downlink Control Information.
With reference to the first possible implementation of the 7th aspect, in second possible implementation, the scrambler For the benefited equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the support equipment Identification information or including for mark synthesis communication identification information and the support equipment identification information；The place Reason implement body is used for：The identification information of the support equipment included according to the scrambler and the Downlink Control Information or Person is used for the identification information of mark synthesis communication and institute according to the scrambler and the Downlink Control Information include The identification information of support equipment is stated, determines that the downlink data is the data for supporting the benefited equipment, and determined described Support equipment supports the benefited equipment；Or, according to the scrambler, determine that the downlink data is for supporting described being benefited The data of equipment, and determine that the support equipment supports the benefited equipment；Or, included according to the Downlink Control Information The support equipment identification information or according to the Downlink Control Information includes be used for mark synthesis communication Identification information and the support equipment identification information, determine that the downlink data is for supporting the benefited equipment Data, and determine that the support equipment supports the benefited equipment.
With reference to the first possible implementation of the 7th aspect, in the third possible implementation, the scrambler For the support equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the benefited equipment Identification information or including for mark synthesis communication identification information and the benefited equipment identification information；The place Reason implement body is used for：The identification information or root of the described benefited equipment in the scrambler and the Downlink Control Information According to the scrambler and the Downlink Control Information include described in for mark synthesis communication identification information and described receive The identification information of beneficial equipment, determines that the downlink data is, for supporting the data of the benefited equipment, and to determine described descending Data support the benefited equipment by the support equipment；Or, according to the scrambler, determine that the downlink data is for propping up The data of the benefited equipment are supportted, and determines that the support equipment supports the benefited equipment；Or, according to the descending control The identification information of the support equipment that information includes or according to the Downlink Control Information includes be used for mark Know the identification information of synthesis communication and the identification information of the support equipment, determine that the downlink data is described for supporting The data of benefited equipment, and determine that the support equipment supports the benefited equipment.
With reference to the first possible implementation of the 7th aspect, in the 4th kind of possible implementation, the scrambler For the scrambling Radio Network Temporary Identifier information that the base station is distributed in advance for the benefited equipment and the support equipment When, the Downlink Control Information includes the identification information of the benefited equipment or the identification information of the support equipment or bag Include for the mark letter of the identification information of mark synthesis communication and the identification information of the benefited equipment or the support equipment Breath；The processor specifically for：The mark of the described benefited equipment included according to the scrambler and the Downlink Control Information The identification information of knowledge information or the support equipment, or included for marking according to the scrambler and the Downlink Control Information Know the identification information of synthesis communication and the identification information or the identification information of the support equipment of the benefited equipment, determine institute The downlink data for stating Downlink Control Information instruction be for supporting the data of the benefited equipment, and determine the downlink data by The support equipment supports the benefited equipment；Or, according to the scrambler, determine that the Downlink Control Information is indicated descending Data are, for supporting the data of the benefited equipment, and to determine that the downlink data supports described being benefited by the support equipment Equipment；Or, the identification information of the described benefited equipment included according to the Downlink Control Information or the support equipment Identification information, or according to the scrambler and the Downlink Control Information include for mark synthesis communication identification information with And the identification information or the identification information of the support equipment of the benefited equipment, under determining that the Downlink Control Information is indicated Row data are, for supporting the data of the benefited equipment, and to determine that the downlink data is received described in the support equipment is supported Beneficial equipment.
With reference to the first possible implementation of the 7th aspect, in the 5th kind of possible implementation, the transmitting Machine is additionally operable to：According to the configured information carried in the Downlink Control Information, power amplification process is carried out to the downlink data, And the downlink data after power amplification is processed is forwarded to the benefited equipment, the configured information is the Downlink Control Information The data of the described benefited equipment for obtaining are amplified the information of forwarding by being used to refer to of middle carrying；Or to the downlink data It is demodulated process and obtains soft bit information, according to the soft bit by the downlink data carried in the Downlink Control Information Information is forwarded to the configured information of the benefited equipment or the scheduling message according to base station transmission or is sent according to benefited equipment The acquisition downlink data request message or according to default transmission time interval, the soft bit information is forwarded to The benefited equipment；Or process is demodulated to the downlink data obtains soft bit information, the soft bit information is carried out Decoding process, obtains decoding data, according to the soft bit information by the downlink data carried in the Downlink Control Information The configured information for being forwarded to the benefited equipment or the scheduling message sent according to base station or obtaining according to the transmission of benefited equipment Take the request message of the downlink data or according to default transmission time interval, the decoding data is forwarded to into described receiving Beneficial equipment.
Eighth aspect, there is provided a kind of benefited equipment, the equipment includes：
Receiver, for equipment of being benefited the scrambling Downlink Control Information that base station sends is received, and the scrambling is descending Control information is transmitted to processor；
Processor, for receiving the scrambling Downlink Control Information that the receiver sends, to the descending control of the scrambling Information processed carries out scramble process, obtains Downlink Control Information, and the scrambler that used according to the scrambling Downlink Control Information and/ Or the Downlink Control Information, determine the support equipment of the benefited equipment, and receive the base station and the support equipment The downlink data of the Downlink Control Information scheduling sent.
In the first possible implementation, the receiver is additionally operable to, receive that the base station sends for scrambling The scrambler of the Downlink Control Information.
With reference to the first possible implementation of eighth aspect, in second possible implementation, the scrambler For the benefited equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the support equipment Identification information or including for mark synthesis communication identification information and the support equipment identification information；The process Implement body is used for：The identification information of the support equipment included according to the scrambler and the Downlink Control Information or It is used for the identification information and described of mark synthesis communication according to the scrambler and the Downlink Control Information include The identification information of support equipment, determines the support equipment of the benefited equipment；Or, according to the scrambler, determine described being benefited The support equipment of equipment；Or, the identification information or root of the support equipment included according to the Downlink Control Information According to the Downlink Control Information include described in for mark synthesis communication identification information and the support equipment mark Knowledge information, determines the support equipment of the benefited equipment.
With reference to the first possible implementation of eighth aspect, in the third possible implementation, the scrambler For the support equipment Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information when, the Downlink Control Information includes the benefited equipment Identification information or including for mark synthesis communication identification information and the income equipment identification information；The process Implement body is used for：The identification information of the described benefited equipment included according to the scrambler and the Downlink Control Information or It is used for the identification information and described of mark synthesis communication according to the scrambler and the Downlink Control Information include The identification information of benefited equipment, determines the support equipment of the benefited equipment；Or, according to the scrambler, determine described being benefited The support equipment of equipment；Or, the identification information or root of the described benefited equipment included according to the Downlink Control Information According to the Downlink Control Information include described in for mark synthesis communication identification information and the benefited equipment mark Knowledge information, determines the support equipment of the benefited equipment.
With reference to the first possible implementation of eighth aspect, in the 4th kind of possible implementation, the scrambler For the scrambling Radio Network Temporary Identifier information that the base station is distributed in advance for the benefited equipment and the support equipment When, the Downlink Control Information include the identification information of the benefited equipment or the identification information of the support equipment or Including the identification information for mark synthesis communication and the identification information or the mark of the support equipment of the benefited equipment Information；The processor specifically for：The described benefited equipment included according to the scrambler and the Downlink Control Information The identification information of identification information or the support equipment or the use included according to the scrambler and the Downlink Control Information The identification information communicated in mark synthesis and the identification information or the identification information of the support equipment of the benefited equipment, really The support equipment of the fixed benefited equipment；Or, according to the scrambler, determine the support equipment of the benefited equipment；Or, root The identification information of the described benefited equipment included according to the Downlink Control Information or the identification information of the support equipment or According to identification information and the mark of the benefited equipment for mark synthesis communication that the Downlink Control Information includes The identification information of information or the support equipment, determines the support equipment of the benefited equipment.
With reference to eighth aspect, in the 5th kind of possible implementation, the processor is additionally operable to：To the downlink data It is demodulated process and obtains the first soft bit information, decoding process is carried out to first soft bit information, if decoding failure Then obtain the support equipment and the second soft bit information for obtaining is demodulated to the downlink data, by first soft bit Information merges with second soft bit information and obtains gathering soft bit information, and the set soft bit information is passed Transport to transmitter；The equipment also includes transmitter, right for receiving the set soft bit information that the processor sends The set soft bit information carries out decoding process, sends to the base station after successfully decoded and confirms response message, otherwise to institute State base station and send negative acknowledgment message.
9th aspect, there is provided a kind of base station, the base station includes：
Processor, for determining the scrambler for scrambling Downlink Control Information, using the scrambler to the descending control Information carries out scrambling process, obtains scrambling Downlink Control Information, and the scrambling Downlink Control Information is transmitted to transmitter；
Transmitter, for receiving the scrambling Downlink Control Information and the descending control of the scrambling that the processor sends The downlink data that information is indicated, to the benefited equipment and the support equipment scrambling Downlink Control Information is sent, to The benefited equipment and the support equipment are respectively to obtaining the descending control letter after the scrambling Downlink Control Information descrambling Breath, and make the support equipment determine that the Downlink Control Information is indicated according to the scrambler and/or the Downlink Control Information The downlink data be data for supporting the benefited equipment, make the benefited equipment according to the scrambler and/or institute State the support equipment that Downlink Control Information determines that the base station is the benefited equipment distribution.
In the first possible implementation, the transmitter is additionally operable to：Set to the benefited equipment and the support Preparation send the scrambler.
With reference to the first possible implementation of the 9th aspect, in second possible implementation, the process Implement body is used for：Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the benefited equipment；It is determined that for scrambling the descending control The scrambler of information processed is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of the benefited equipment；The Downlink Control Information includes institute The identification information of support equipment is stated, to indicate that the support equipment supports the communication of the benefited equipment；Or, it is described descending Control information includes the identification information of the identification information for mark synthesis communication and the support equipment, to indicate It is the data for synthesis communication to state downlink data, and to indicate that the support equipment supports the communication of the benefited equipment.
With reference to the 9th aspect and the first possible implementation, in the third possible implementation, the process Implement body is used for：The support equipment distributes Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information；It is determined that for scrambling the descending control The scrambler of information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of the support equipment；The Downlink Control Information includes described The identification information of benefited equipment, to indicate that the support equipment supports the communication of the benefited equipment；Or, the descending control Information processed includes the identification information of the identification information for mark synthesis communication and the benefited equipment, described to indicate Downlink data is the data for synthesis communication, and to indicate that the support equipment supports the benefited equipment communication.
With reference to the first possible implementation of the 9th aspect, in the 4th kind of possible implementation, the process Implement body is used for：It is that the support equipment and the benefited equipment distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information；It is determined that being used for The scrambler for scrambling the Downlink Control Information is the scrambling Radio Network Temporary Identifier information；The scrambling wireless network is interim Identification information supports the benefited equipment to indicate the support equipment；Or the Downlink Control Information includes described being benefited The identification information of the identification information of equipment and/or the support equipment, to indicate that the downlink data is the benefited equipment Data, and to indicate that the support equipment supports the benefited equipment.
With reference to the 9th aspect, in the 5th kind of possible implementation, the processor is additionally operable to：Setting for described being benefited Select to meet pre-conditioned equipment as the support equipment of the benefited equipment, institute in the standby all devices that supporting is provided State it is pre-conditioned for signal quality it is best.
Tenth aspect, there is provided a kind of system of communication, the system includes the device of above-mentioned communication.
Tenth on the one hand, additionally provides a kind of system of communication, and the system includes above-mentioned base station, support equipment, and Benefited equipment.
In the embodiment of the present invention, by determining the scrambler for scrambling Downlink Control Information, the Downlink Control Information is Send the Downlink Control Information of the support equipment to target device and the target device；Using the scrambler to described descending Control information carries out scrambling process, obtains scrambling Downlink Control Information；Send out to the benefited equipment and the support equipment respectively The scrambling Downlink Control Information is sent, to the benefited equipment and the support equipment respectively to the descending control letter of the scrambling The Downlink Control Information is obtained after breath descrambling, and makes the support equipment according to the scrambler and/or the descending control letter Breath determines that the downlink data that the Downlink Control Information is indicated is the data for supporting the benefited equipment, sets described being benefited It is standby to determine that the support that the base station is the benefited equipment distribution sets according to the scrambler and/or the Downlink Control Information It is standby.So as to avoid when benefited equipment local environment deteriorates, benefited equipment cannot receive the problem of the data of network side transmission； And the present invention is when to benefited equipment sending data, by the support equipment of benefited equipment sending the data simultaneously, and make to receive The data forwarding of the transmission for receiving to benefited equipment to benefited equipment, has been reached many equipment diversity by the support equipment of beneficial equipment Effect, improve the throughput and/or reliability of the data transfer of benefited equipment.
Description of the drawings
Fig. 1 is a kind of application scenarios schematic diagram of the method for communication provided in an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of communication provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram of another communication provided in an embodiment of the present invention；
Fig. 4 is the method flow diagram of another communication provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic device of communication provided in an embodiment of the present invention；
Fig. 6 is the schematic device of another communication provided in an embodiment of the present invention；
Fig. 7 is the schematic device of another communication provided in an embodiment of the present invention；
Fig. 8 is a kind of base station schematic diagram provided in an embodiment of the present invention；
Fig. 9 is a kind of support equipment schematic diagram provided in an embodiment of the present invention；
Figure 10 is a kind of benefited equipment schematic diagram provided in an embodiment of the present invention.
Specific embodiment
In below describing, in order to illustrate rather than in order to limit, it is proposed that such as particular system structure, interface, technology it The detail of class, to cut thoroughly the present invention is understood.However, it will be clear to one skilled in the art that concrete without these The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known device, circuit and The detailed description of method, in case unnecessary details hinders description of the invention.
The techniques described herein may be used in various communication systems, such as current 2G, 3G communication systems and next generation communication System, such as global system for mobile communications (GSM, Global System for Mobile communications), code division is more Location (CDMA, Code Division Multiple Access) system, time division multiple acess (TDMA, Time Division Multiple Access) system, WCDMA (WCDMA, Wideband Code Division Multiple Access Wireless), frequency division multiple access (FDMA, Frequency Division Multiple Addressing) system, just Hand over frequency division multiple access (0FDMA, 0rthogonal Frequency-Division Multiple Access) system, single carrier FDMA (SC-FDMA) system, GPRS (general packet radio service) (GPRS, General Packet Radio Service) system is long Phase evolution (LTE, Long Term Evolution) system, and other such communication systems.
Various aspects are described herein in connection with user equipment and/or base station.
User equipment, can be wireless terminal can also be catv terminal, wireless terminal may refer to provide a user with language The equipment of sound and/or data connectivity, the portable equipment with wireless connecting function or is connected to radio modem Other processing equipments.Wireless terminal can with Jing wireless access networks (for example, RAN, Radio Access Network) with one or Multiple core nets are communicated, and wireless terminal can be mobile terminal, such as mobile phone (or be referred to as " honeycomb " phone) and are had The computer of mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile dress Put, they exchange language and/or data with wireless access network.For example, PCS (PCS, Personal Communication Service) phone, wireless phone, Session initiation Protocol (SIP) phone, WLL (WLL, Wireless Local Loop) stand, the equipment such as personal digital assistant (PDA, Personal Digital Assistant).Nothing Line terminal is referred to as system, subscri er unit (Subscriber Unit), subscriber station (Subscriber Station), moves Dynamic station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote Termina1), access terminal (Access Termina1), user terminal (User Termina1), user agent (User Agent), user equipment (User Device) or subscriber's installation (User Equipment)。
Above-mentioned user equipment can simultaneously support short-range communication technique and cellular telecommunication art substantially, with cellular communication skill Art is Long Term Evolution (LTE, Long Term Evolut ion), and short-range communication technique is with wireless fidelity (Wireless- Fidelity, WiFi) as a example by, the scene of the collaboration communication in single network node and between multi-user, or referred to as multi-user association Communicate under the scene of (Multiple UEs Cooperative Communication, MUCC), when at least two UE have When having the characteristics of support WiFi and LTE simultaneously, in order to increase reliability and throughput, between at least two UE one can be set up The relation of MUCC is planted, i.e. a UE at least two UE needs to send or receiving data, other UE in addition to a UE Can be supported, assist a UE to be communicated.In the present invention, by a UE be named as benefited equipment, being serviced equipment, Other UE in addition to a UE are named as support equipment, service equipment or assistance by target device or by assistance equipment Equipment, the said equipment name be the present invention lift an example, the present invention in equipment name including be not limited to it is above-mentioned The citing of name.
By taking support equipment with benefited equipment as an example, equipment of being benefited is the final sender of upstream data data or lower line number According to final receiver (from the point of view of honeycomb angle).For for a certain carrying, general only one of which, and support equipment be for Assist to be benefited equipment and the equipment that carries out data relay.For a certain carrying for equipment of being benefited, can have multiple.
By taking support equipment with benefited equipment as an example, the concept of benefited equipment and support equipment is from the carrying angle of benefited equipment From the point of view of degree, for example, equipment 1 and the composition MUCC of equipment 2, they can mutual facilitating communications, so, stand in certain of equipment 1 Angle is carried, equipment 2 can be with the carrying of support equipment 1, and then equipment 1 is equipment of being benefited, and equipment 2 is support equipment.And with This simultaneously, equipment 1 can also support equipment 2 certain carrying, then from equipment 2 this carry angle, equipment 2 is to receive Beneficial equipment, and equipment 1 is support equipment.
By taking support equipment with benefited equipment as an example, when the said equipment is in identical short distance join domain, network can So that downlink data is sent respectively to into above-mentioned support equipment and benefited equipment, (a kind of method of optimization is that network scheduling is always selected Select the best equipment of wireless link situation at that time to send), when downlink data is sent to support equipment by network, receive data Support equipment again data are sent to into benefited equipment by short haul connection (such as WiFi).Certainly, data can also be straight It is connected to up to the equipment of being benefited, the merging of data is carried out by benefited equipment.In the same manner, the upstream data of benefited equipment can also be by being benefited Equipment itself or other support equipments issue network, and then network carries out the merging of data, and the cooperation completed between equipment is led to Letter.
Transmitted by the assistance of support equipment, can be with the reliability of additional income equipment communication and throughput.
Base station (for example, access point) may refer in access network on interface in the air by one or more sectors with it is wireless The equipment of terminal communication.Base station can be used for the air frame that will receive and mutually be changed with IP packets, as wireless terminal with connect The remainder of the router between the remainder of networking, wherein access network may include Internet protocol (IP) network.Base station is also Attribute management of the tunable to air interface.For example, base station can be base station (BTS, the Base in GSM or CDMA Transceiver Station), or WCDMA in base station (NodeB), can also be the evolved base in E-UTRA Stand (NodeB or eNB or e-NodeB, evolutional Node B), and the present invention is not limited.
In present specification, while " the synthesis communication " being previously mentioned refers to base station to benefited equipment transmission downlink data Downlink data is sent to the support equipment of benefited equipment, and the support equipment of equipment of being benefited can receive the downlink data and incite somebody to action The downlink data is transmitted to the communication mode of benefited equipment.
Fig. 1 is a kind of application scenarios schematic diagram of the method for communication provided in an embodiment of the present invention.The embodiment of the present invention is carried For communication method in practical application, can be applicable in mobile communication network as a kind of new communication means, base Stand and the scene of data is sent to user terminal.As shown in figure 1, in application scenarios provided in an embodiment of the present invention, base station is to being benefited When equipment sending data, same number can be sent to the other equipment (support equipment) near the benefited equipment simultaneously According to, support equipment forwards the data to equipment of being benefited by the short-range communication technique between equipment and support equipment of being benefited again, The effect of multi-user diversity can be thus realized, the throughput and/or reliability of the data transfer of the equipment of being benefited is improved.
Defect of the embodiment of the present invention for communication means under prior art, there is provided a kind of method of communication, device and System.When base station will send downlink data to benefited equipment, can select in the equipment that supporting is provided for equipment of being benefited Signal conditioning is good, the support equipment of relative free, and while sends downlink data to benefited equipment and selected support equipment. After base station selected support equipment, it is first determined for scrambling the scrambler of Downlink Control Information；Using the scrambler to described descending Control information carries out scrambling process, obtains scrambling Downlink Control Information；Institute is sent to the benefited equipment and the support equipment The downlink data that scrambling Downlink Control Information and the scrambling Downlink Control Information are indicated is stated, to the benefited equipment and described Support equipment makes the support equipment respectively to obtaining the Downlink Control Information after the scrambling Downlink Control Information descrambling The standby downlink data for determining that the Downlink Control Information is indicated according to the scrambler and/or the Downlink Control Information is for propping up The data of the benefited equipment are supportted, the benefited equipment is made according to the scrambler and/or the Downlink Control Information determine The support equipment of base station distribution.Support equipment receives the scrambling Downlink Control Information that base station sends；It is descending to the scrambling Control information carries out scramble process, obtains Downlink Control Information；According to the scrambler that uses of scrambling Downlink Control Information and/or The Downlink Control Information, the downlink data for determining the Downlink Control Information instruction is the data for supporting benefited equipment； The downlink data that the Downlink Control Information is indicated is obtained, and the downlink data is sent to the benefited equipment.Be benefited and set It is standby to receive the scrambling Downlink Control Information that base station sends；Scramble process is carried out to the scrambling Downlink Control Information, obtains descending Control information；The scrambler used according to the scrambling Downlink Control Information and/or the Downlink Control Information, determine described being benefited The support equipment of equipment, and receive the lower line number of the Downlink Control Information scheduling that the base station and the support equipment send According to.So as to avoid when benefited equipment local environment deteriorates, it is impossible to receive the problem of the data of network side transmission；And this It is bright when to benefited equipment sending data, by the support equipment of benefited equipment sending the data simultaneously, and make equipment of being benefited Support equipment by the data forwarding of the transmission for receiving to benefited equipment to benefited equipment, reached the effect of many equipment diversity Really, the throughput and/or reliability of the data transfer of benefited equipment are improve.
Fig. 2 is a kind of method flow diagram of communication provided in an embodiment of the present invention.The executive agent of the embodiment is base station, Which describes in detail that base station indicates to receive by Downlink Control Information (Download Control Information, DCI) Side, such as user equipment judge whether the data for this time sending are the method for synthesizing the data for communicating.As shown in Fig. 2 the present embodiment Comprise the following steps：
Step 201, base station determines the scrambler for scrambling Downlink Control Information, using the scrambler to the descending control Information carries out scrambling process, obtains scrambling Downlink Control Information.
Because Downlink Control Information will be sent to benefited equipment UE 1 and support equipment UE2, in order that UE1 and UE2 can The Downlink Control Information is obtained, needs the scrambler all known using UE1 and UE2 to carry out scrambling process to Downlink Control Information.
Wherein, it is base station distribution to scramble used scrambler, and base station also leads to the scrambler after the scrambler of distribution scrambling Know support equipment and benefited equipment.
When support equipment knows in advance the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell-Radio of benefited equipment UE 1 Network Temporary Identifier, C-RNTI) information when, scrambler can be defined as equipment UE 1 of being benefited by base station C-RNTI1, now the identification information of Downlink Control Information including UE2, can also include the mark letter for mark synthesis communication Breath, the identification information of the UE2 can be C-RNTI2, or the number information of UE2 etc..The special Downlink Control Information is used to refer to Show the downlink data that support equipment UE2 and benefited equipment UE 1 will be received, and for indicating that support equipment UE2 need not be docked The downlink data for receiving carries out upper strata forwarding, but the downlink data for receiving is dumped in certain newly-increased caching.
When benefited equipment obtains in advance the C-RNTI2 of support equipment, scrambler can be defined as support equipment by base station C-RNTI2, now the identification information of Downlink Control Information including UE1, can also include the mark for mark synthesis communication The identification information of information, the wherein UE1 can be C-RNTI1, or the number information of UE1 etc..The Downlink Control Information is used to refer to Show the downlink data that support equipment UE2 and benefited equipment UE 1 will be received, and for indicating that support equipment UE2 need not be docked The downlink data for receiving carries out upper strata forwarding, but the downlink data for receiving is dumped in certain newly-increased caching.
Base station can also be the one scrambling Radio Network Temporary Identifier (Radio of equipment and support equipment distribution that is benefited Network Temporary Identifier, RNTI) information, and scrambler is defined as into this RNTI information.The scrambler can With indicate the benefited equipment of this time synthesis communication as UE1, support equipment as UE2, thereby indicate that support equipment UE2 should not be to will The downlink data for receiving carries out upper strata forwarding, but the downlink data for receiving is dumped in certain newly-increased caching.
Certainly, it is that benefited equipment and support equipment allocate a group Radio Network Temporary Identifier information in advance in base station When (Group-RNTI, G-RNTI) is used as the scrambler of the Downlink Control Information of this time synthesis communication, it is also possible to do not preset this The benefited equipment of G-RNTI mark synthesis communications is UE1, support equipment is UE2, and by carrying UE1 in Downlink Control Information Mark (such as in the group of C-RNTI1, UE1 identify), the mark of UE2 (identifying such as in the group of C-RNTI2, UE2) indicating The benefited equipment of this synthesis communication is UE1, support equipment is UE2.It is of course also possible to be used by carrying in Downlink Control Information The identification information communicated in mark synthesis and the mark (identifying such as in the group of C-RNTI1, UE1) of UE1, the mark of UE2 are (such as Mark etc. in the group of C-RNTI2, UE2) come combine the benefited equipment for indicating this synthesis communication be UE1, support equipment be UE2.
It is determined that before for the scrambler for scrambling the Downlink Control Information to be sent, also to provide support for equipment of being benefited Select to meet pre-conditioned equipment in all devices of service as the support equipment of benefited equipment, wherein pre-conditioned can be with Any one comprising following conditions or arbitrarily several combinations：Channel quality, support equipment between base station and support equipment With the channel quality between benefited equipment, support equipment idle degrees, the dump energy of support equipment etc..
After the scrambler of base station determination scrambling Downlink Control Information, scrambling process is carried out to Downlink Control Information using scrambler, Obtain scrambling Downlink Control Information, for carrying out follow-up operation.
Specific scrambling mode, can be using the scrambler to the cyclic check code of the Downlink Control Information (CRC, Cyclic Redundancy Check) carry out scrambling process (e.g., XOR), the Downlink Control Information after being scrambled.
Step 202, base station to the benefited equipment and the support equipment send the scrambling Downlink Control Information and institute The downlink data that scrambling Downlink Control Information is indicated is stated, to the benefited equipment and the support equipment respectively to the scrambling The Downlink Control Information is obtained after Downlink Control Information descrambling, and make the support equipment according to the scrambler and/or described Downlink Control Information determines that the downlink data that the Downlink Control Information is indicated is the data for supporting the benefited equipment, makes The benefited equipment determines that the base station is the benefited equipment distribution according to the scrambler and/or the Downlink Control Information The support equipment.
If base station is scrambled using the C-RNTI1 information of UE1 to Downlink Control Information, and in Downlink Control Information Also including the identification information (such as C-RNTI2) of UE2, then the scrambling Downlink Control Information of base station transmission is received in UE1, to scrambling When Downlink Control Information descrambling obtains Downlink Control Information, the identification information of the UE2 in Downlink Control Information, you can know Base station is assigned with support equipment UE2 for oneself, and the mark for mark synthesis communication can also be carried in the Downlink Control Information Information, can also be known base station and be divided for oneself by the identification information of the mark synthesis communication and the identification information combination of UE2 Support equipment UE2 is matched somebody with somebody；And the scrambling Downlink Control Information of base station transmission is received in UE2, to scrambling Downlink Control Information solution Disturb when obtaining Downlink Control Information, the identification information of the UE2 in Downlink Control Information or according in Downlink Control Information The identification information of identification information and UE2 for mark synthesis communication, you can know descending indicated by Downlink Control Information Data be for being supported UE1, so as to downlink data is carried out not upper strata forward and save it in one it is newly-increased slow In depositing.
If base station is scrambled using the C-RNTI2 information of UE2 to Downlink Control Information, and in Downlink Control Information Also including the identification information of UE1, then the scrambling Downlink Control Information of base station transmission is received in UE1, to scrambling descending control letter Breath descrambling is when obtaining Downlink Control Information, the identification information of the UE1 in Downlink Control Information or according to Downlink Control Information In for mark synthesis communication identification information and UE1 identification information, you can know base station oneself to be assigned with support Equipment UE 2；And the scrambling Downlink Control Information of base station transmission is received in UE2, obtain down to scrambling Downlink Control Information descrambling During row control information, the identification information of the UE1 in Downlink Control Information or in Downlink Control Information for identifying The identification information of synthesis communication and the identification information of UE1, you can know that the downlink data indicated by Downlink Control Information is to use To be supported UE1, forward and save it in a newly-increased caching so as to carry out not upper strata to downlink data.
Certainly, when base station is scrambled using the Radio Network Temporary Identifier RNTI information distributed for UE1 and UE2 When, be support equipment due to the RNTI information has been determined in advance for identifying UE1 for be benefited equipment, UE2, then UE1 and UE2 is received To after the Downlink Control Information using the RNTI information scrambling, you can know that the downlink data that the Downlink Control Information is indicated is Send to benefited equipment UE 1, UE2 will preserve the downlink data.In such a scenario, can not wrap in Downlink Control Information Include the identification information for mark synthesis communication, it is also possible to not including the identification information of UE1 or UE2.
Certainly, when being scrambled for one wireless network identification information RNTI of UE1 and UE2 distribution, it is also possible to not prior It is support equipment to determine the RNTI information for identifying UE1 for be benefited equipment, UE2, and by carrying in Downlink Control Information The identification information of UE1 or the identification information of UE2 come judge the downlink data that the Downlink Control Information is indicated benefited equipment and Support equipment；Or believed for the identification information of mark synthesis communication and the mark of UE1 by carrying in Downlink Control Information Breath or UE2 identification information come judge the downlink data be for synthesis communication data, and to indicate it is described support set For the communication for supporting the benefited equipment.
Thus, the embodiment of the present invention determines scrambler for scrambling Downlink Control Information, the descending control by base station Information is the Downlink Control Information of the support equipment that send to target device and the target device；Using the scrambler to institute Stating Downlink Control Information carries out scrambling process, obtains scrambling Downlink Control Information；To the benefited equipment and the support equipment The downlink data that the scrambling Downlink Control Information and the scrambling Downlink Control Information are indicated is sent, to the benefited equipment And the support equipment is respectively to obtaining the Downlink Control Information after the scrambling Downlink Control Information descrambling, and make described propping up Support equipment determines that the downlink data that the Downlink Control Information is indicated is use according to the scrambler and/or the Downlink Control Information In the data for supporting the benefited equipment, the benefited equipment is set to be determined according to the scrambler and/or the Downlink Control Information The base station is the support equipment of the benefited equipment distribution.So as to avoid, when benefited equipment local environment deteriorates, receiving Beneficial equipment cannot receive the problem of the data of network side transmission；And the present invention is when to benefited equipment sending data, by same When send the data to the support equipment of benefited equipment, and the support equipment of the equipment that makes to be benefited sets the transmission for receiving to being benefited Standby data forwarding reached the effect of many equipment diversity to benefited equipment, and the data transfer that improve benefited equipment is handled up Rate and/or reliability.Above embodiment described base station by Downlink Control Information indicate receiving side, such as support equipment and be benefited Equipment judges whether the data for this time sending are the method for synthesizing the data for communicating；Support equipment is described separately below and is benefited set It is standby to receive the method processed the downlink data that Downlink Control Information is indicated after the Downlink Control Information.
Fig. 3 is the method flow diagram of another communication provided in an embodiment of the present invention.The executive agent of the embodiment is to support Whether equipment, which describes in detail the support equipment data that this sends according to the scrambling Downlink Control Information judgement for receiving The method of the benefited equipment of data and downlink data for synthesis communication.As shown in figure 3, the present embodiment is comprised the following steps：
Step 301, support equipment receives the scrambling Downlink Control Information that base station sends.
Base station is carried out Downlink Control Information after scrambling process using scrambler, and the scrambling Downlink Control Information for obtaining is passed through Down control channel is sent to benefited equipment UE 1 and support equipment UE2.Because support equipment knows in advance the scrambler, therefore can To pass through the scramble code reception to the scrambling Downlink Control Information.
Step 302, support equipment carries out scramble process to the scrambling Downlink Control Information, obtains Downlink Control Information.
It is described that scramble process is carried out to the scrambling Downlink Control Information, obtain also including before Downlink Control Information：Connect Receive the scrambler for scrambling the Downlink Control Information that the base station sends.
If base station is scrambled using the C-RNTI1 of benefited equipment UE 1 to Downlink Control Information, support equipment UE2 After receiving the scrambling Downlink Control Information, Downlink Control Information is obtained after descrambling using corresponding scrambling sequence, you can know In the Downlink Control Information in addition to the identification information including support equipment UE2 itself, also include for mark synthesis communication Identification information.
If base station is scrambled using the C-RNTI2 of support equipment UE2 to Downlink Control Information, support equipment UE2 After receiving the scrambling Downlink Control Information, Downlink Control Information is obtained after descrambling using corresponding scrambling sequence, you can know In the Downlink Control Information in addition to including the identification information for being benefited equipment UE 1, also include for mark synthesis communication Identification information.
Certainly, when base station is scrambled using the Radio Network Temporary Identifier RNTI information distributed for UE1 and UE2 When, be support equipment due to the RNTI information has been determined in advance for identifying UE1 for be benefited equipment, UE2, then UE1 and UE2 is received To after the Downlink Control Information using the RNTI information scrambling, you can know that the downlink data that the Downlink Control Information is indicated is Send to benefited equipment UE 1, UE2 will preserve the downlink data.In such a scenario, can not wrap in Downlink Control Information Include the identification information for mark synthesis communication, it is also possible to not including the identification information of UE1 or UE2.
Preferably, when being scrambled for one wireless network identification information RNTI of UE1 and UE2 distribution, it is also possible to only first Notify that the UE1 and UE2 RNTI information is used for UE1, UE2 synthesis, by the configured information carried in Downlink Control Information Further to indicate be benefited equipment and support equipment.For example, carry 1 bit instruction, be used to refer to be benefited user be UE1 and One in UE2, then another UE then becomes it and supports user；Support user is can also indicate that, and another UE is then Benefited user.
Carry out adding grouping wireless network identification information RNTI (Group-RNTI, G-RNTI) is distributed for UE1 and UE2 When disturbing, it is also possible to which it is support equipment that the RNTI information is not determined in advance for identifying UE1 for be benefited equipment, UE2, but multiple use Per family can be using the G-RNTI scheduling, by the identification information and the mark of UE2 of the UE1 of carrying in Downlink Control Information Information is judging the benefited equipment and support equipment of the downlink data that the Downlink Control Information is indicated；Or by descending control Carry identification information and the identification information of UE1 and the identification information of UE2 for mark synthesis communication in information to judge The benefited equipment and support equipment of the downlink data that the Downlink Control Information is indicated.
Preferably, when being scrambled for one wireless network identification information RNTI of UE1 and UE2 distribution, it is also possible in advance It is equipment of being benefited to determine the RNTI information for identifying UE1, and possible support user's more than one, by descending control letter The identification information of the support user carried in breath judge the downlink data that the Downlink Control Information is indicated benefited equipment and Support equipment.
Step 303, scrambler and/or the descending control letter that support equipment is used according to the scrambling Downlink Control Information Breath, the downlink data for determining the Downlink Control Information instruction is the data for supporting benefited equipment.
Support equipment UE2 is received after the Downlink Control Information being scheduled using the C-RNTI1 of equipment UE 1 of being benefited, root According to the scrambling scrambler that used of Downlink Control Information, and support equipment UE2 in the Downlink Control Information identification information of itself, Can determine that the downlink data indicated by Downlink Control Information is for being supported UE1, so as to carry out not to downlink data Upper strata forwards and saves it in a newly-increased caching.
Support equipment UE2 is received after the Downlink Control Information being scheduled using the C-RNTI2 of beneficial equipment UE 2, according to The scrambler that scrambling Downlink Control Information is used, and the identification information of support equipment UE1 in Downlink Control Information, you can really It is, for being supported UE1, to turn so as to carry out not upper strata to downlink data to determine the downlink data indicated by Downlink Control Information In sending out and saving it in a newly-increased caching.
Support equipment UE2 receives the Radio Network Temporary Identifier RNTI distributed for UE1 and UE2 in advance using base station After the Downlink Control Information that information is scheduled, due to be determined in advance the RNTI information for identify UE1 for be benefited equipment, UE2 is support equipment, therefore support equipment UE2 may know that the descending control according to the scrambler that scrambling Downlink Control Information is used The downlink data that information processed is indicated will be sent to benefited equipment UE 1, and UE2 will preserve the downlink data.
Support equipment UE2 is received after the Downlink Control Information being scheduled using G-RNTI (Group-RNTI), can be with According to the scrambling scrambler that used of Downlink Control Information, and the identification information and UE2 of the UE1 that carries in Downlink Control Information Identification information is judging the benefited equipment UE 1 and support equipment UE2 of the downlink data that the Downlink Control Information is indicated；Or The scrambler that can be used according to scrambling Downlink Control Information, and communicate synthesizing for mark for carrying in Downlink Control Information Identification information and the identification information of UE1 and the identification information of UE2 judging the downlink data that the Downlink Control Information is indicated Benefited equipment UE 1 and support equipment UE2.
Step 304, support equipment obtains the data of the benefited equipment that the Downlink Control Information is indicated, and the institute that will be obtained The data is activation of benefited equipment is stated to the benefited equipment.
Support equipment UE2 is obtained after the downlink data that Downlink Control Information is indicated, can be according to Downlink Control Information to this Downlink data carries out power and is amplified and turns the data after amplifying according to the time slot indicated in the Downlink Control Information Benefited equipment is sent to, or receives base station and receive the scheduling message for denying being sent after response message that benefited equipment sends, according to Scheduling message is sent signal is amplified to benefited equipment；Or the request message for obtaining downlink data that the benefited equipment of reception sends, Sent signal is amplified to benefited equipment according to the request message；Or actively will amplify signal in certain Preset Time window Send to benefited equipment..
Support equipment UE2 is obtained after the downlink data that Downlink Control Information is indicated, it is also possible to which the downlink data is solved Disturb process to obtain soft bit information and preserve the soft bit information in the buffer；Or can also further to the soft bit letter Breath carries out decoding process, and decoding data is obtained if successfully decoded and the decoding data is preserved in caching, if decoding is lost Lose and then preserve the soft bit information in the buffer.Next, can be according to carrying downlink data in Downlink Control Information Soft bit information or decoding data be forwarded to the configured information of the benefited equipment, soft bit information or decoding data are turned It is sent to the benefited equipment that the configured information is indicated；Or denying of receiving that base station receives that benefited equipment sends sends after response message Scheduling message, soft bit information or decoding data are sent to benefited equipment according to scheduling message；Or the benefited equipment of reception Transmission acquisition downlink data request message, according to the request message by soft bit information or decoding data send to be benefited Equipment；Or actively soft bit information or decoding data are sent to benefited equipment in certain Preset Time window.
Thus, the scrambling Downlink Control Information that base station sends is received by support equipment；To the descending control letter of the scrambling Breath carries out scramble process, obtains Downlink Control Information；According to the scrambler that uses of scrambling Downlink Control Information and/or it is described under Row control information, the downlink data for determining the Downlink Control Information instruction is the data for supporting benefited equipment；Obtain institute The downlink data of Downlink Control Information instruction is stated, and the downlink data is sent to the benefited equipment.So as to avoid When benefited equipment local environment deteriorates, it is impossible to receive the problem of the data of network side transmission；And the present invention is to benefited equipment When sending data, by the support equipment of benefited equipment sending the data simultaneously, and the support equipment of the equipment that makes to be benefited will connect The data forwarding of the transmission for receiving to benefited equipment has reached the effect of many equipment diversity to benefited equipment, improves benefited setting The throughput and/or reliability of standby data transfer.
Above embodiment describes support equipment and receives after the scrambling Downlink Control Information that base station sends to corresponding The method that downlink data is processed, the following examples receive the descending control of scrambling of base station transmission by the equipment of being benefited is described Corresponding downlink data is processed method after information.
Fig. 4 is the method flow diagram of another communication provided in an embodiment of the present invention.The executive agent of the embodiment is benefited Equipment, which describes in detail that benefited equipment, according to the scrambling Downlink Control Information for receiving, determines the support equipment of oneself Method.As shown in figure 4, the present embodiment is comprised the following steps：
Step 401, equipment of being benefited receives the scrambling Downlink Control Information that base station sends.
Base station is carried out Downlink Control Information after scrambling process using scrambler, and the scrambling Downlink Control Information for obtaining is passed through Down control channel is sent to benefited equipment UE 1 and support equipment UE2, and equipment of being thus benefited can be by the scramble code reception to this Scrambling Downlink Control Information.
Step 402, equipment of being benefited carries out scramble process to the scrambling Downlink Control Information, obtains Downlink Control Information.
It is described that scramble process is carried out to the scrambling Downlink Control Information, obtain also including before Downlink Control Information：Connect Receive the scrambler for scrambling the Downlink Control Information that the base station sends.
If base station is scrambled using the C-RNTI1 information of benefited equipment UE 1 to Downlink Control Information, equipment of being benefited UE1 is received after the scrambling Downlink Control Information, and after descrambling using corresponding scrambling sequence Downlink Control Information is obtained, you can sent out Now the Downlink Control Information includes the identification information of support equipment UE2.
If base station is scrambled using the C-RNTI2 information of support equipment UE2 to Downlink Control Information, equipment of being benefited UE1 is received after the scrambling Downlink Control Information, and after descrambling using corresponding scrambling sequence Downlink Control Information is obtained, you can sent out Now the Downlink Control Information includes equipment UE 1 identification information of itself of being benefited.
Certainly, when the Radio Network Temporary Identifier RNTI that base station is alternatively UE1 and UE2 distribution carries out adding to information Disturb, and first determine that the RNTI communicates for identifying the synthesis that UE1 is equipment of being benefited, UE2 is support equipment, then UE1 and UE2 is received To after the Downlink Control Information using the RNTI information scrambling, you can know that the downlink data that the Downlink Control Information is indicated is Send to benefited equipment UE 1, UE2 will preserve the downlink data.In such a scenario, can not wrap in Downlink Control Information Include the identification information of UE1 or UE2.
When being scrambled for one wireless network identification information RNTI of UE1 and UE2 distribution, it is also possible to which first not determining should It is support equipment that RNTI information is used to identify UE1 for be benefited equipment, UE2, and by the UE1 of carrying in Downlink Control Information The identification information of identification information or UE2 sets come the benefited equipment and support for judging the downlink data that the Downlink Control Information is indicated It is standby；Or by Downlink Control Information carry for mark synthesis communication identification information and UE1 identification information or The identification information of UE2 is judging the benefited equipment and support equipment of the downlink data that the Downlink Control Information is indicated.
Step 403, scrambler and/or the descending control letter that equipment of being benefited is used according to the scrambling Downlink Control Information Breath, determines the support equipment of the benefited equipment, and receives the described descending control that the base station and the support equipment send The downlink data of message scheduling.
Benefited equipment UE 1 is received after the Downlink Control Information being scheduled using the C-RNTI1 of UE1, according under scrambling The scrambler that row control information is used, and the identification information of support equipment UE2 in Downlink Control Information, you can determine base station Support user equipment (UE) 2 is assigned with for it, so as to not adopt normal HARQ to the downlink data that the Downlink Control Information is indicated Flow process；And when the identification information for mark synthesis communication is carried in Downlink Control Information, according to the descending control letter of scrambling The used scrambler of breath, and the identification information and support equipment UE2 for mark synthesis communication in Downlink Control Information Identification information, you can determine base station for it and be assigned with support user equipment (UE) 2, under indicating the Downlink Control Information Row data do not adopt normal HARQ flow processs.
Benefited equipment UE 1 is received after the Downlink Control Information being scheduled using the C-RNTI2 of UE2, according under scrambling The scrambler that row control information is used, and the identification information of support equipment UE1 in Downlink Control Information, you can determine base station Support user equipment (UE) 2 is assigned with for it, so as to not adopt normal HARQ to the downlink data that the Downlink Control Information is indicated Flow process；And when the identification information for mark synthesis communication is carried in Downlink Control Information, according to the descending control letter of scrambling The used scrambler of breath, and the identification information and support equipment UE1 for mark synthesis communication in Downlink Control Information Identification information, you can determine base station for it and be assigned with support user equipment (UE) 2, under indicating the Downlink Control Information Row data do not adopt normal HARQ flow processs.
Benefited equipment UE 1 receives the Radio Network Temporary Identifier RNTI distributed for UE1 and UE2 in advance using base station After the Downlink Control Information that information is scheduled, due to be determined in advance the RNTI information for identify UE1 for be benefited equipment, UE2 is support equipment, therefore equipment UE 1 of being benefited can determine that base station is it according to the scrambler that scrambling Downlink Control Information is used Support user equipment (UE) 2 is assigned with, so as to not adopt normal HARQ flow processs to the downlink data that the Downlink Control Information is indicated.
Benefited equipment UE 1 is received after the Downlink Control Information being scheduled using G-RNTI (Group-RNTI), can be with According to the scrambling scrambler that used of Downlink Control Information, and the identification information or UE2 of the UE1 that carries in Downlink Control Information Identification information come whether judge base station be that it is assigned with support user equipment (UE) 2, under indicating the Downlink Control Information Row data adopt corresponding HARQ flow processs；And work as the identification information carried in Downlink Control Information for mark synthesis communication When, can according to the scrambling scrambler that be used of Downlink Control Information, and carry in Downlink Control Information for identifying synthesis The identification information of the identification information of communication and the identification information of UE1 or UE2 is come whether judge base station be that it is assigned with support and uses Family equipment UE 2, so as to the downlink data indicated the Downlink Control Information adopts corresponding HARQ flow processs.
Specifically, UE1 is received after the Downlink Control Information of base station transmission, the scheduling letter in Downlink Control Information Breath receives the downlink data of the Downlink Control Information instruction that base station sends, and to the decoding data, judges that decoding is It is no correct, send if correct and confirm response (Acknowledgement, ACK) message to base station, if decoding error, Will not at once send and deny response (Negative-Acknowledgment, NACK) message to base station, and be to wait for receiving support The soft bit information that user equipment (UE) 2 sends is merged, and the folding of employing is similar with the existing soft merging technologies of HARQ, The technology related for soft merging, here is omitted.Afterwards, further according to the result for merging, judge to send ACK message to base station Or NACK message.
Thus, the embodiment of the present invention receives the scrambling Downlink Control Information that base station sends by equipment of being benefited；Add to described Disturbing Downlink Control Information carries out scramble process, obtains Downlink Control Information；According to disturbing that the scrambling Downlink Control Information is used Code and/or the Downlink Control Information, determine the support equipment of the benefited equipment, and receive the base station and the support sets The downlink data of the Downlink Control Information scheduling that preparation is sent.So as to avoid when benefited equipment local environment deteriorates, nothing Method receives the problem of the data of network side transmission；And the present invention is when to benefited equipment sending data, by simultaneously to being benefited The support equipment of equipment sends the data, and the support equipment of the equipment that makes to be benefited is by the data of the transmission for receiving to benefited equipment Be forwarded to benefited equipment, reached the effect of many equipment diversity, improve the data transfer of benefited equipment throughput and/or can By property.
Correspondingly, present invention also offers a kind of device of communication, Fig. 5 is a kind of communication provided in an embodiment of the present invention Schematic device.The main body of the device of the communication is base station.As shown in figure 5, the device is included with lower unit：
Determining unit 501, for determining the scrambler for scrambling Downlink Control Information, using the scrambler to described descending Control information carries out scrambling process, obtains scrambling Downlink Control Information, and the scrambling Downlink Control Information is transmitted to institute State transmission unit.
Because Downlink Control Information will be sent to benefited equipment UE 1 and support equipment UE2, in order that UE1 and UE2 can The Downlink Control Information is obtained, needs the scrambler all known using UE1 and UE2 to carry out scrambling process to Downlink Control Information.
When support equipment UE2 of equipment UE 1 of being benefited obtains in advance the C-RNTI1 of equipment UE 1 of being benefited, determining unit 501 Specifically for determining that the cell-radio network that the scrambler for being used for scrambling the Downlink Control Information is the benefited equipment is marked temporarily Knowledge information, and notify the support equipment；The Downlink Control Information includes the identification information of the support equipment, to refer to Show that the support equipment supports the communication of the benefited equipment；Or the Downlink Control Information is included for mark synthesis communication Identification information and the support equipment identification information, to indicate the downlink data be for synthesis communication number According to, and to indicate that the support equipment supports the communication of the benefited equipment.
When equipment UE 1 of being benefited obtains in advance the C-RNTI2 of support equipment UE2, determining unit 501 is used specifically for determining It is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of the support equipment in the scrambler of the Downlink Control Information is scrambled, and notifies institute State benefited equipment；The Downlink Control Information includes the identification information of the benefited equipment, to indicate the support equipment Support the communication of the benefited equipment；Or the Downlink Control Information include for mark synthesis communication identification information and The identification information of the benefited equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate State support equipment and support the benefited equipment communication.
When a scrambling Radio Network Temporary Identifier information is distributed in base station for benefited equipment and support equipment in advance, it is determined that Unit 501 is specifically for determining for scrambling the scrambler of the Downlink Control Information for the scrambling Radio Network Temporary Identifier letter Breath.Now, the Radio Network Temporary Identifier information can be UE1, support equipment for benefited equipment of a mark this time communication For the communication of UE2, now Downlink Control Information is a normal Downlink Control Information, without the need for carrying ID synthesis communication Identification information；And if the Radio Network Temporary Identifier information is a support equipment and the information well known to user equipment When, the identification information of benefited equipment UE 1 or support equipment UE2 should be included in Downlink Control Information, to indicate support equipment UE2 The downlink data is the data for supporting benefited equipment UE 1, and to indicate to be benefited the base station of equipment UE 1 for equipment UE 1 of being benefited It is assigned with support equipment UE2.The identification information for mark synthesis communication can also be included in Downlink Control Information.
Specific scrambling mode, can be using the scrambler to the cyclic check code of the Downlink Control Information (CRC, Cyclic Redundancy Check) carry out scrambling process (e.g., XOR), the Downlink Control Information after being scrambled.
Transmission unit 502, for receiving the scrambling Downlink Control Information and the scrambling that the scrambling unit sends The downlink data that Downlink Control Information is indicated, to the benefited equipment and the support equipment the descending control letter of the scrambling is sent Breath, to the benefited equipment and the support equipment respectively to obtaining described descending after the scrambling Downlink Control Information descrambling Control information, and the support equipment is made for the descending control is determined according to the scrambler and/or the Downlink Control Information The downlink data that information is indicated is the data for supporting the benefited equipment, makes the benefited equipment according to the scrambler And/or the Downlink Control Information determines the support equipment of the base station distribution.
If base station is scrambled using the C-RNTI1 information of UE1 to Downlink Control Information, and in Downlink Control Information Also including the identification information (such as C-RNTI2) of UE2, then the scrambling Downlink Control Information of base station transmission is received in UE1, to scrambling When Downlink Control Information descrambling obtains Downlink Control Information, the identification information of the UE2 in Downlink Control Information, you can know Base station is assigned with support equipment UE2 for oneself, and the mark for mark synthesis communication can also be carried in the Downlink Control Information Information, can also be known base station and be divided for oneself by the identification information of the mark synthesis communication and the identification information combination of UE2 Support equipment UE2 is matched somebody with somebody；And the scrambling Downlink Control Information of base station transmission is received in UE2, to scrambling Downlink Control Information solution Disturb when obtaining Downlink Control Information, the identification information of the UE2 in Downlink Control Information or according in Downlink Control Information The identification information of identification information and UE2 for mark synthesis communication, you can know descending indicated by Downlink Control Information Data be for being supported UE1, so as to downlink data is carried out not upper strata forward and save it in one it is newly-increased slow In depositing.
If base station is scrambled using the C-RNTI2 information of UE2 to Downlink Control Information, and in Downlink Control Information Also including the identification information of UE1, then the scrambling Downlink Control Information of base station transmission is received in UE1, to scrambling descending control letter Breath descrambling is when obtaining Downlink Control Information, the identification information of the UE1 in Downlink Control Information or according to Downlink Control Information In for mark synthesis communication identification information and UE1 identification information, you can know base station oneself to be assigned with support Equipment UE 2；And the scrambling Downlink Control Information of base station transmission is received in UE2, obtain down to scrambling Downlink Control Information descrambling During row control information, the identification information of the UE1 in Downlink Control Information or in Downlink Control Information for identifying The identification information of synthesis communication and the identification information of UE1, you can know that the downlink data indicated by Downlink Control Information is to use To be supported UE1, forward and save it in a newly-increased caching so as to carry out not upper strata to downlink data.
Certainly, when base station carries out adding using the scrambling Radio Network Temporary Identifier RNTI information distributed for UE1 and UE2 It is support equipment due to the RNTI information has been determined in advance for identifying UE1 for be benefited equipment, UE2 when disturbing, then UE1 and UE2 connect After receiving the Downlink Control Information using the RNTI information scrambling, you can know the downlink data that the Downlink Control Information is indicated Send to benefited equipment UE 1, UE2 will preserve the downlink data.In such a scenario, can not in Downlink Control Information Including the identification information for mark synthesis communication, it is also possible to not including the identification information of UE1 or UE2.
Certainly, when being scrambled for one wireless network identification information RNTI of UE1 and UE2 distribution, it is also possible to not prior It is support equipment to determine the RNTI information for identifying UE1 for be benefited equipment, UE2, and by carrying in Downlink Control Information The identification information of UE1 or the identification information of UE2 come judge the downlink data that the Downlink Control Information is indicated benefited equipment and Support equipment；Or believed for the identification information of mark synthesis communication and the mark of UE1 by carrying in Downlink Control Information The identification information of breath or UE2 is judging the benefited equipment and support equipment of the downlink data that the Downlink Control Information is indicated.
Preferably, before determining unit 501 determines the scrambler that uses, base station also needs to select for for benefited equipment UE1 provides support equipment UE2 for supporting, and thus, described device also includes：Select unit 503, for for the benefited equipment To there is provided selected in all devices of supporting and meet pre-conditioned equipment as the support equipment of the benefited equipment.
Wherein, it is the top-quality UE of selection signal in all UE for supporting the equipment of being benefited to meet pre-conditioned.
Thus, the embodiment of the present invention determines scrambler for scrambling Downlink Control Information by the device of the communication, uses The scrambler carries out scrambling process to the Downlink Control Information, obtains scrambling Downlink Control Information；To the benefited equipment and The support equipment sends the downlink data that the scrambling Downlink Control Information and the scrambling Downlink Control Information are indicated, to The benefited equipment and the support equipment are respectively to obtaining the descending control letter after the scrambling Downlink Control Information descrambling Breath, and the support equipment is made for determining that the Downlink Control Information refers to according to the scrambler and/or the Downlink Control Information The downlink data for showing is the data for supporting the benefited equipment, makes the benefited equipment according to the scrambler and/or described Downlink Control Information determines the support equipment of the base station distribution.So as to avoid when benefited equipment local environment deteriorates, Benefited equipment cannot receive the problem of the data of network side transmission；And the present invention passes through when to benefited equipment sending data Send the data to the support equipment of benefited equipment simultaneously, and the support equipment of the equipment that makes to be benefited by the transmission for receiving to being benefited The data forwarding of equipment reached the effect of many equipment diversity to benefited equipment, and the data transfer that improve benefited equipment is gulped down Tell rate and/or reliability.
Correspondingly, the embodiment of the present invention additionally provides a kind of device of communication.Fig. 6 is provided in an embodiment of the present invention another The schematic device of communication.The main body of the device of the communication is support equipment.As shown in fig. 6, the device is included with lower unit：
Transmission unit 601, for support equipment the scrambling Downlink Control Information that base station sends is received, and by the scrambling Downlink Control Information is transmitted to Descrambling unit.
Transmission unit 601 is additionally operable to, and receives disturbing described in the Downlink Control Information for scrambling for the base station transmission Code.
Base station is carried out Downlink Control Information after scrambling process using scrambler, and the scrambling Downlink Control Information for obtaining is passed through Down control channel is sent to benefited equipment UE 1 and support equipment UE2.Because support equipment knows the scrambler, therefore can lead to The scramble code reception is crossed to the scrambling Downlink Control Information.
Descrambling unit 602, for receiving the scrambling Downlink Control Information that the transmission unit sends, adds according to described Scrambler and/or the Downlink Control Information that Downlink Control Information is used are disturbed, determines that the Downlink Control Information is indicated descending Data are the data for supporting benefited equipment, and the Downlink Control Information is transmitted to determining unit and acquiring unit.
If base station is scrambled using the C-RNTI1 of benefited equipment UE 1 to Downlink Control Information, support equipment UE2 After receiving the scrambling Downlink Control Information, Downlink Control Information is obtained after descrambling using corresponding scrambling sequence, you can know In the Downlink Control Information in addition to the identification information including support equipment UE2 itself, also include for mark synthesis communication Identification information.
If base station is scrambled using the C-RNTI2 of support equipment UE2 to Downlink Control Information, support equipment UE2 After receiving the scrambling Downlink Control Information, Downlink Control Information is obtained after descrambling using corresponding scrambling sequence, you can know In the Downlink Control Information in addition to including the identification information for being benefited equipment UE 1, also including the mark of mark synthesis communication Information.
Certainly, when base station is scrambled using the Radio Network Temporary Identifier RNTI information distributed for UE1 and UE2 When, be support equipment due to the RNTI information has been determined in advance for identifying UE1 for be benefited equipment, UE2, then UE1 and UE2 is received To after the Downlink Control Information using the RNTI information scrambling, you can know that the downlink data that the Downlink Control Information is indicated is Send to benefited equipment UE 1, UE2 will preserve the downlink data.In such a scenario, can not wrap in Downlink Control Information Include the identification information for mark synthesis communication, it is also possible to not including the identification information of UE1 or UE2.
Preferably, when being scrambled for one wireless network identification information RNTI of UE1 and UE2 distribution, it is also possible to only first Notify that the UE1 and UE2 RNTI information is used for UE1, UE2 synthesis, by the configured information carried in Downlink Control Information Further to indicate be benefited equipment and support equipment.For example, carry 1 bit instruction, be used to refer to be benefited user be UE1 and One in UE2, then another UE then becomes it and supports user；Support user is can also indicate that, and another UE is then Benefited user.Carry out grouping wireless network identification information RNTI (Group-RNTI, G-RNTI) is distributed for UE1 and UE2 During scrambling, it is also possible to which it is support equipment that the RNTI information is not determined in advance for identifying UE1 for be benefited equipment, UE2, but multiple With being dispatched using the G-RNTI per family, by the identification information and the mark of UE2 of the UE1 of carrying in Downlink Control Information Knowledge information is judging the benefited equipment and support equipment of the downlink data that the Downlink Control Information is indicated；Or by descending control Carry identification information and the identification information of UE1 and the identification information of UE2 for mark synthesis communication in information processed to sentence The benefited equipment and support equipment of the downlink data that the disconnected Downlink Control Information is indicated.
Determining unit 603, for receiving the Downlink Control Information that the Descrambling unit sends, according under the scrambling Scrambler or the scrambler and the Downlink Control Information that row control information is used, determine what the Downlink Control Information was indicated Downlink data is the data for supporting benefited equipment.
When the scrambling Downlink Control Information is scrambled using the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of the benefited equipment And the identification information in the Downlink Control Information also including the support equipment or the mark letter for mark synthesis communication During the identification information of breath and support equipment, Downlink Control Information includes that determining unit 602 is additionally operable to：According to the scrambler and institute State the identification information of described benefited equipment in Downlink Control Information or according in the scrambler and the Downlink Control Information Including it is described for mark synthesis communication identification information and the benefited equipment identification information, determine the lower line number According to for for supporting the data of the benefited equipment, and determine that the downlink data supports described being benefited to set by the support equipment It is standby；Or, according to the scrambler, determine that the downlink data is the data for supporting the benefited equipment, and determine described Support equipment supports the benefited equipment；Or, the mark of the support equipment included according to the Downlink Control Information Information or the mark that is used for according to the Downlink Control Information includes synthesize the identification information of communication and described The identification information of support equipment, determines that the downlink data is, for supporting the data of the benefited equipment, and to determine the support Equipment supports the benefited equipment.
Support equipment UE2 determines that the downlink data that the Downlink Control Information is indicated is the number for supporting benefited equipment UE 1 According to after, not upper strata can be carried out to the downlink data and is forwarded and is saved it in a newly-increased caching.
When the scrambler is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of the support equipment, in the Downlink Control Information The mark of the identification information including the benefited equipment or the identification information for mark synthesis communication and the benefited equipment Information；Determining unit 603 specifically for：The mark of the described benefited equipment in the scrambler and the Downlink Control Information Information or the identification information communicated for mark synthesis according to the scrambler and the Downlink Control Information include And the identification information of the benefited equipment, determine that the downlink data is the data for supporting the benefited equipment, and really The fixed downlink data supports the benefited equipment by the support equipment；Or, according to the scrambler, determine the lower line number According to for for supporting the data of the benefited equipment, and determine that the support equipment supports the benefited equipment；Or, according to institute State the identification information of the support equipment that Downlink Control Information includes or included according to the Downlink Control Information The identification information and the identification information of the support equipment for mark synthesis communication, determines that the downlink data is use In the data of the support benefited equipment, and determine that the support equipment supports the benefited equipment.
The scrambler is that the scrambling that the base station is distributed in advance for the benefited equipment and the support equipment is wireless During Network Temporary Identifier information, the Downlink Control Information includes the identification information or the support equipment of the benefited equipment Identification information or including for mark synthesis communication identification information and the benefited equipment identification information or described The identification information of support equipment；Determining unit 603 specifically for：According to the institute that the scrambler and the Downlink Control Information include The identification information of benefited equipment or the identification information of the support equipment are stated, or according to the scrambler and the descending control letter Breath includes the identification information or the support equipment of the identification information for mark synthesis communication and the benefited equipment Identification information, the downlink data for determining the Downlink Control Information instruction is the data for supporting the benefited equipment, and really The fixed downlink data supports the benefited equipment by the support equipment；Or, according to the scrambler, determine the descending control The downlink data that information processed is indicated is, for supporting the data of the benefited equipment, and to determine the downlink data by the support Equipment supports the benefited equipment；Or, the identification information of the described benefited equipment included according to the Downlink Control Information Or the identification information of the support equipment, or included for identifying synthesis according to the scrambler and the Downlink Control Information The identification information of the identification information or the support equipment of the identification information of communication and the benefited equipment, determines described descending The downlink data that control information is indicated is, for supporting the data of the benefited equipment, and to determine the downlink data by described Support equipment supports the benefited equipment.
Transmitting element 604, for receiving the Downlink Control Information that the Descrambling unit sends, obtains the descending control The data of the benefited equipment that information processed is indicated, and by the data is activation of the described benefited equipment for obtaining to the benefited equipment.
Transmitting element 604 specifically for according in the Downlink Control Information carry configured information, to the lower line number According to carrying out power amplification process, and the downlink data after power amplification is processed is forwarded to the benefited equipment, the instruction letter Cease and the data of described benefited equipment for obtaining are amplified into forwarding for being used to refer to of carrying in the Downlink Control Information Information；Or process is demodulated to the downlink data obtains soft bit information, according to what is carried in the Downlink Control Information By the soft bit information of the downlink data be forwarded to the benefited equipment configured information or base station send scheduling message, Or the request message of the acquisition downlink data that sends of benefited equipment or according to default transmission time interval, will be described soft Bit information is forwarded to the benefited equipment；Or process is demodulated to the downlink data obtains soft bit information, to described Soft bit information carries out decoding process, obtains decoding data, according to carrying the lower line number in the Downlink Control Information According to soft bit information be forwarded to the benefited equipment configured information or base station send scheduling message or benefited equipment send out The request message of the acquisition downlink data for sending or according to default transmission time interval, the decoding data is forwarded to The benefited equipment.
Preferably, user can also accordingly be located before downlink data is sent to benefited equipment to the downlink data Reason, and by the data is activation after process to benefited equipment UE 1, thus the embodiment of the present invention also includes：Processing unit 605, is used for According to sending out for the configured information that the downlink data is amplified forwarding and forwarding carried in the Downlink Control Information The multiple that power or forwarding are amplified is penetrated, power amplification process is carried out to the downlink data；Or the downlink data is solved Mediate reason and obtain soft bit information；Or process is demodulated to the downlink data obtains soft bit information, to the soft bit Information carries out decoding process, obtains decoding data.
Through the data that obtain of process of processing unit 605, can be sent to benefited by transmitting element 604 in reasonable time Equipment UE 1.
Thus, the device of the communication for being provided by the embodiment receives the scrambling Downlink Control Information that base station sends；To institute Stating scrambling Downlink Control Information carries out scramble process, obtains Downlink Control Information；Used according to the scrambling Downlink Control Information Scrambler and/or the Downlink Control Information, determine that the downlink data that the Downlink Control Information is indicated is benefited for supporting The data of equipment；The downlink data that the Downlink Control Information is indicated is obtained, and the downlink data is sent to described is benefited Equipment.So as to avoid when benefited equipment local environment deteriorates, it is impossible to receive the problem of the data of network side transmission；And this Invention by the support equipment of benefited equipment sending the data simultaneously, and makes to be benefited and sets when to benefited equipment sending data The data forwarding of the transmission for receiving to benefited equipment to benefited equipment has been reached the effect of many equipment diversity by standby support equipment Really, the throughput and/or reliability of the data transfer of benefited equipment are improve.
Correspondingly, the embodiment of the present invention additionally provides a kind of device of communication, and Fig. 7 is provided in an embodiment of the present invention another The schematic device of communication.The main body of the device of the embodiment is equipment of being benefited.As shown in fig. 7, the embodiment includes placing an order Unit：
Transmission unit 701, for equipment of being benefited the scrambling Downlink Control Information that base station sends is received, and by the scrambling Downlink Control Information is transmitted to Descrambling unit.
Transmission unit 701 is additionally operable to：Receive disturbing described in the Downlink Control Information for scrambling for the base station transmission Code.
Base station is carried out Downlink Control Information after scrambling process using scrambler, and the scrambling Downlink Control Information for obtaining is passed through Down control channel is sent to benefited equipment UE 1 and support equipment UE2, and equipment of being thus benefited can be by the scramble code reception to this Scrambling Downlink Control Information.
Descrambling unit 702, for receiving the scrambling Downlink Control Information that the transmission unit sends, to the scrambling Downlink Control Information carries out scramble process, obtains Downlink Control Information, and the Downlink Control Information is transmitted single to determining Unit.
Determining unit 703, for receiving the Downlink Control Information that the Descrambling unit sends, according under the scrambling Scrambler and/or the Downlink Control Information that row control information is used, determine the support equipment of the benefited equipment, and receive institute State the downlink data of the Downlink Control Information scheduling that base station and the support equipment send.
Benefited equipment UE 1 is received after the Downlink Control Information being scheduled using the C-RNTI1 of UE1, determining unit 703 The identification information of the support equipment included according to the scrambler and/or the Downlink Control Information, determines described being benefited The support equipment of equipment, so as to not adopt normal HARQ flow processs to the downlink data that the Downlink Control Information is indicated；Or according to It is described for identifying the identification information and described that synthesize communication that the scrambler and/or the Downlink Control Information include The identification information of support equipment, determines the support equipment of the benefited equipment, so as to the lower line number indicated the Downlink Control Information According to not adopting normal HARQ flow processs.
Benefited equipment UE 1 is received after the Downlink Control Information being scheduled using the C-RNTI2 of UE2, determining unit 703 The identification information of the described benefited equipment included according to the scrambler and/or the Downlink Control Information, determines described being benefited The support equipment of equipment, so as to not adopt normal HARQ flow processs to the downlink data that the Downlink Control Information is indicated；Or according to The identification information for mark synthesis communication and described receive that the scrambler and/or the Downlink Control Information include The identification information of beneficial equipment, determines the support equipment of the benefited equipment, so as to the lower line number indicated the Downlink Control Information According to not adopting normal HARQ flow processs.
Benefited equipment UE 1 receives the Radio Network Temporary Identifier RNTI distributed for UE1 and UE2 in advance using base station After the Downlink Control Information that information is scheduled, determining unit 703 determines that the support of the benefited equipment sets according to the scrambler It is standby；Or include the identification information of the benefited equipment or the identification information of the support equipment when the Downlink Control Information When, according to the identification information of the identification information or the support equipment of the scrambler and the benefited equipment, it is determined that described receive The support equipment of beneficial equipment；Or when the Downlink Control Information includes the identification information and described for mark synthesis communication During the identification information of the identification information of benefited equipment or the support equipment, according to the scrambler, described logical for mark synthesis The identification information of the identification information or the support equipment of the identification information of letter and the benefited equipment, determines that described being benefited sets Standby support equipment, so as to not adopt normal HARQ flow processs to the downlink data that the Downlink Control Information is indicated.
Specifically, UE1 is received after the Downlink Control Information of base station transmission, the scheduling letter in Downlink Control Information Breath receives the downlink data of the Downlink Control Information instruction that base station sends, and to the decoding data, judges that decoding is It is no correct, send if correct and confirm response (Acknowledgement, ACK) message to base station, if decoding error, Will not at once send and deny response (Negative-Acknowledgment, NACK) message to base station, and be to wait for receiving support The soft bit information that user equipment (UE) 2 sends is merged, and the folding of employing is similar with the existing soft merging technologies of HARQ, The technology related for soft merging, here is omitted.Afterwards, further according to the result for merging, judge to send ACK message to base station Or NACK message.
Benefited equipment is received after downlink data, also the downlink data accordingly will be descrambled, decoding process, thus this The device that embodiment is provided also includes：Processing unit 704, for being demodulated process to the downlink data the first soft ratio is obtained Special information, to first soft bit information decoding process is carried out, and the support equipment is obtained to described if decoding failure Downlink data is demodulated the second soft bit information for obtaining, by first soft bit information and second soft bit information Merge and obtain gathering soft bit information；
Transmitting element 705, for carrying out decoding process, the backward base station of successfully decoded to the set soft bit information Send and confirm response message, otherwise send negative acknowledgment message to the base station.
Transmitting element also 705 is additionally operable to：If to the first soft bit information successfully decoded, sent to the base station The confirmation response message.
Thus, the device of communication provided in an embodiment of the present invention receives the scrambling Downlink Control Information that base station sends；To institute Stating scrambling Downlink Control Information carries out scramble process, obtains Downlink Control Information；Used according to the scrambling Downlink Control Information Scrambler and/or the Downlink Control Information, determine the support equipment of the benefited equipment, and receive the base station and described The downlink data of the Downlink Control Information scheduling that support equipment sends.Deteriorate in benefited equipment local environment so as to avoid When, it is impossible to receive the problem of the data of network side transmission；And the present invention is when to benefited equipment sending data, by simultaneously to The support equipment of benefited equipment sends the data, and the support equipment of the equipment that makes to be benefited by the transmission for receiving to benefited equipment Data forwarding has reached the effect of many equipment diversity to benefited equipment, improve benefited equipment data transfer throughput and/ Or reliability.
Correspondingly, the embodiment of the present invention additionally provides a kind of base station, and Fig. 8 shows for a kind of base station provided in an embodiment of the present invention It is intended to.As shown in figure 8, the base station includes elements below：
Processor 801, for base station the scrambler for scrambling Downlink Control Information is determined, using the scrambler under described Row control information carries out scrambling process, obtain scramble Downlink Control Information, and by it is described scrambling Downlink Control Information transmit to Transmitter.
Support equipment UE2 of benefited equipment UE 1 obtains in advance the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of the benefited equipment UE 1 During information C-RNTI1, processor 801 specifically for：It is determined that being benefited for described for scrambling the scrambler of the Downlink Control Information The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of equipment, and notify the support equipment；The Downlink Control Information includes described The identification information of support equipment, to indicate that the support equipment supports the communication of the benefited equipment；Or the descending control Information include for mark synthesis communication identification information and the support equipment identification information, to indicate it is described under Row data are the data for synthesis communication, and to indicate that the support equipment supports the communication of the benefited equipment.
Benefited equipment UE 1 obtains in advance Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information C-RNTI2 of support equipment UE2 When, processor 801 specifically for：It is determined that the scrambler for scrambling the Downlink Control Information be the support equipment cell without Line Network Temporary Identifier information, and notify the benefited equipment；The Downlink Control Information includes the mark of the benefited equipment Knowledge information, to indicate that the support equipment supports the communication of the benefited equipment；Or the Downlink Control Information includes using In mark synthesis communication identification information and the benefited equipment identification information, to indicate the downlink data be for The data of synthesis communication, and to indicate that the support equipment supports the benefited equipment communication.
Base station is distributed a scrambling wireless network and is marked temporarily for the benefited equipment UE 1 and support equipment UE2 in advance During knowledge information, the scrambling Radio Network Temporary Identifier information supports the benefited equipment to indicate the support equipment；Or The Downlink Control Information includes the identification information of the benefited equipment and/or the identification information of the support equipment, to The data that the downlink data is the benefited equipment are indicated, and to indicate that the support equipment supports the benefited equipment. Processor 801 specifically for：It is determined that mark for the scrambling wireless network for scrambling the scrambler of the Downlink Control Information temporarily Knowledge information.
Specifically, the benefited equipment that the scrambler can indicate this time to synthesize communication is UE1, support equipment is UE2, is thus referred to Show that the downlink data that support equipment UE2 should not be to receiving carries out upper strata forwarding, but the downlink data for receiving is turned In being stored to certain newly-increased caching.If not presetting being benefited for this Radio Network Temporary Identifier message identification synthesis communication Equipment is UE1, support equipment is UE2, then identification information, the mark of UE2 of UE1 that can be by carrying in Downlink Control Information Information come indicate this synthesis communication benefited equipment be UE1, support equipment be UE2；Or by carrying in Downlink Control Information For mark synthesis communication identification information and the identification information of UE1, the identification information of UE2 come indicate this synthesis communication Benefited equipment is UE1, support equipment is UE2.
Specific scrambling mode, can be using the scrambler to the cyclic check code of the Downlink Control Information (CRC, Cyclic Redundancy Check) carry out scrambling process (e.g., XOR), the Downlink Control Information after being scrambled.
Processor 801 is additionally operable to：Select to meet default in all devices that supporting is provided for the benefited equipment The equipment of condition as the benefited equipment support equipment, it is described it is pre-conditioned for signal quality it is best.
Transmitter 802, for receiving the scrambling Downlink Control Information that the processor sends, is benefited respectively to described Equipment and the support equipment send the scrambling Downlink Control Information, distinguish to the benefited equipment and the support equipment To obtaining the Downlink Control Information after the scrambling Downlink Control Information descrambling, and the support equipment is made according to the scrambler And/or the Downlink Control Information determines that the downlink data that the Downlink Control Information is indicated is for supporting the benefited equipment Data, make the benefited equipment according to the scrambler and/or the Downlink Control Information determine the base station for it is described be benefited The support equipment of equipment distribution.
The embodiment of the present invention determines the scrambler for scrambling Downlink Control Information by base station, descending to this using the scrambler Control information carries out scrambling process, obtains scrambling Downlink Control Information；Send out to the benefited equipment and the support equipment respectively The scrambling Downlink Control Information is sent, to the benefited equipment and the support equipment respectively to the descending control letter of the scrambling The Downlink Control Information is obtained after breath descrambling, and makes the support equipment standby according to the scrambler and/or the descending control Information determines that the downlink data that the Downlink Control Information is indicated is the data for supporting the benefited equipment, makes described being benefited Equipment determines the support equipment of the base station distribution according to the scrambler and/or the Downlink Control Information.So as to avoid When benefited equipment local environment deteriorates, it is impossible to receive the problem of the data of network side transmission；And the present invention to be benefited During equipment sending data, by the support equipment of benefited equipment sending the data simultaneously, and the support equipment of the equipment that makes to be benefited By the data forwarding of the transmission for receiving to benefited equipment to benefited equipment, the effect of many equipment diversity is reached, improve and receive The throughput and/or reliability of the data transfer of beneficial equipment.
Correspondingly, a kind of support equipment is embodiments provided, Fig. 9 is a kind of support provided in an embodiment of the present invention Equipment schematic diagram.As shown in figure 9, the equipment includes elements below：
Receiver 901, for support equipment the scrambling Downlink Control Information that base station sends is received, and by under the scrambling Row control information is transmitted to processor.
Receiver 901 is additionally operable to, and receives the scrambler for scrambling the Downlink Control Information that the base station sends.
Processor 902, for receiving the scrambling Downlink Control Information that the receiver sends, according under the scrambling Scrambler and/or the Downlink Control Information that row control information is used, determine the downlink data that the Downlink Control Information is indicated Be the data for supporting benefited equipment, and according to the scrambler that uses of scrambling Downlink Control Information or the scrambler and The Downlink Control Information, the downlink data for determining the Downlink Control Information instruction is the data for supporting benefited equipment, And the Downlink Control Information is transmitted to transmitter.
When the scrambler is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information of the benefited equipment UE 1, the descending control letter Breath includes the identification information of the identification information for mark synthesis communication and support equipment UE2.Processor 902 is concrete For：The identification information of the support equipment included according to the scrambler and the Downlink Control Information or according to institute State scrambler and the Downlink Control Information includes the identification information for mark synthesis communication and the support set Standby identification information, determines that the downlink data is, for supporting the data of the benefited equipment, and to determine the support equipment Support the benefited equipment；Or, according to the scrambler, determine that the downlink data is the number for supporting the benefited equipment According to, and determine that the support equipment supports the benefited equipment；Or, prop up according to the Downlink Control Information includes The identification information of support equipment or the mark for mark synthesis communication according to the Downlink Control Information includes are believed The identification information of breath and the support equipment, determines that the downlink data is the data for supporting the benefited equipment, and Determine that the support equipment supports the benefited equipment.
It is described descending when the scrambler is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information C-RNTI2 of support equipment UE2 Control information includes the identification information of the identification information for mark synthesis communication and the benefited equipment；Processor 902 Specifically for：The identification information of the described benefited equipment in the scrambler and the Downlink Control Information or according to institute State scrambler and the Downlink Control Information includes the identification information for mark synthesis communication and described being benefited set Standby identification information, determines that the downlink data is, for supporting the data of the benefited equipment, and to determine the downlink data The benefited equipment is supported by the support equipment；Or, according to the scrambler, determine that the downlink data is for supporting The data of benefited equipment are stated, and determines that the support equipment supports the benefited equipment；Or, according to the Downlink Control Information The identification information of the support equipment for including or according to the Downlink Control Information includes be used for identify close Into the identification information and the identification information of the support equipment of communication, determine that the downlink data is for supporting described being benefited The data of equipment, and determine that the support equipment supports the benefited equipment.
The scrambler is the nothing that the base station is distributed in advance for the benefited equipment UE 1 and support equipment UE2 During line Network Temporary Identifier information, the Downlink Control Information includes that the identification information of the benefited equipment or the support set Standby identification information or including the identification information for mark synthesis communication and the identification information or described of the benefited equipment The identification information of support equipment；Processor 902 specifically for：According to the institute that the scrambler and the Downlink Control Information include The identification information of benefited equipment or the identification information of the support equipment are stated, or according to the scrambler and the descending control letter Breath includes the identification information or the support equipment of the identification information for mark synthesis communication and the benefited equipment Identification information, the downlink data for determining the Downlink Control Information instruction is the data for supporting the benefited equipment, and really The fixed downlink data supports the benefited equipment by the support equipment；Or, according to the scrambler, determine the descending control The downlink data that information processed is indicated is, for supporting the data of the benefited equipment, and to determine the downlink data by the support Equipment supports the benefited equipment；Or, the identification information of the described benefited equipment included according to the Downlink Control Information Or the identification information of the support equipment, or included for identifying synthesis according to the scrambler and the Downlink Control Information The identification information of the identification information or the support equipment of the identification information of communication and the benefited equipment, determines described descending The downlink data that control information is indicated is, for supporting the data of the benefited equipment, and to determine the downlink data by described Support equipment supports the benefited equipment.
Transmitter 903, for receiving the Downlink Control Information that the Descrambling unit sends, obtains the descending control The data of the benefited equipment that information is indicated, and by the data is activation of the described benefited equipment for obtaining to the benefited equipment.
Transmitter 903 specifically for：According to the configured information carried in the Downlink Control Information, to the downlink data Power amplification process is carried out, and the downlink data after power amplification is processed is forwarded to the benefited equipment, the configured information The data of the described benefited equipment for obtaining are amplified into the letter of forwarding for being used to refer to of carrying in the Downlink Control Information Breath；Or process is demodulated to the downlink data obtains soft bit information, will according to what is carried in the Downlink Control Information The soft bit information of the downlink data is forwarded to the configured information of the benefited equipment or is disappeared according to the scheduling of base station transmission The request message of breath or the acquisition downlink data sent according to benefited equipment or according to default transmission time interval, will The soft bit information is forwarded to the benefited equipment；Or process is demodulated to the downlink data obtains soft bit information, Decoding process is carried out to the soft bit information, decoding data is obtained, will be described according to what is carried in the Downlink Control Information The soft bit information of downlink data be forwarded to the configured information of the benefited equipment or according to base station send scheduling message or According to the request message of the acquisition downlink data of benefited equipment transmission or according to default transmission time interval, will be described Decoding data is forwarded to the benefited equipment.
Thus, the scrambling Downlink Control Information that base station sends is received by support equipment；To the descending control letter of the scrambling Breath carries out scramble process, obtains Downlink Control Information；According to the scrambler that uses of scrambling Downlink Control Information and/or it is described under Row control information, the downlink data for determining the Downlink Control Information instruction is the data for supporting benefited equipment；Obtain institute State Downlink Control Information instruction support be benefited equipment data, and by obtain the support be benefited equipment data is activation extremely The benefited equipment.So as to avoid when benefited equipment local environment deteriorates, it is impossible to receive the data of network side transmission Problem；And the present invention is when to benefited equipment sending data, by the support equipment of benefited equipment sending the data simultaneously, and Make be benefited equipment support equipment by the data forwarding of the transmission for receiving to benefited equipment to benefited equipment, reached many equipment The effect of diversity, improves the throughput and/or reliability of the data transfer of benefited equipment.
Correspondingly, a kind of benefited equipment is embodiments provided, Figure 10 is received for one kind provided in an embodiment of the present invention Beneficial equipment schematic diagram.As shown in Figure 10, the equipment includes elements below：
Receiver 1001, for equipment of being benefited the scrambling Downlink Control Information that base station sends is received, and by the scrambling Downlink Control Information is transmitted to processor.
Receiver 1001 is additionally operable to, and receives the scrambler for scrambling the Downlink Control Information that the base station sends
Processor 1002, for receiving the scrambling Downlink Control Information that the receiver sends, under the scrambling Row control information carries out scramble process, obtains Downlink Control Information, and according to disturbing that the scrambling Downlink Control Information is used Code and/or the Downlink Control Information, determine the support equipment of the benefited equipment, and receive the base station and the support sets The downlink data of the Downlink Control Information scheduling that preparation is sent.
It is described descending when the scrambler is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information C-RNTI1 of the benefited equipment UE 1 Control information includes the identification information of support equipment UE2 or the identification information for mark synthesis communication and described The identification information of support equipment.Processor 1002 specifically for：According to the institute that the scrambler and the Downlink Control Information include State the identification information of support equipment or be used to identify according to the scrambler and the Downlink Control Information include to close Into the identification information and the identification information of the support equipment of communication, the support equipment of the benefited equipment is determined；Or, root According to the scrambler, the support equipment of the benefited equipment is determined；Or, prop up according to the Downlink Control Information includes The identification information of support equipment or the mark for mark synthesis communication according to the Downlink Control Information includes are believed The identification information of breath and the support equipment, determines the support equipment of the benefited equipment.
It is described descending when the scrambler is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information C-RNTI2 of support equipment UE2 Control information includes the identification information of the identification information for mark synthesis communication and the benefited equipment UE 1.Processor 1002 specifically for：The identification information of the described benefited equipment included according to the scrambler and the Downlink Control Information or Person is used for the identification information of mark synthesis communication and institute according to the scrambler and the Downlink Control Information include The identification information of benefited equipment is stated, the support equipment of the benefited equipment is determined；Or, according to the scrambler, it is determined that described receive The support equipment of beneficial equipment；Or, the identification information of the described benefited equipment included according to the Downlink Control Information or Identification information and the benefited equipment according to the Downlink Control Information includes for mark synthesis communication Identification information, determines the support equipment of the benefited equipment.
The scrambler is the nothing that the base station is distributed in advance for the benefited equipment UE 1 and support equipment UE2 During line Network Temporary Identifier information, the Downlink Control Information includes that the identification information of the benefited equipment or the support set Standby identification information or including the identification information for mark synthesis communication and identification information or the institute of the benefited equipment State the identification information of support equipment；The processor specifically for：Included according to the scrambler and the Downlink Control Information The identification information of described benefited equipment or the identification information of the support equipment or according to the scrambler and the descending control The identification information for mark synthesis communication and identification information or the support of the benefited equipment that information processed includes The identification information of equipment, determines the support equipment of the benefited equipment；Or, according to the scrambler, determine the benefited equipment Support equipment；Or, the identification information of the described benefited equipment included according to the Downlink Control Information or the support The identification information of equipment or according to the Downlink Control Information include for mark synthesis communication identification information and The identification information of the benefited equipment or the identification information of the support equipment, determine the support equipment of the benefited equipment.
Preferably, processor 1002 is additionally operable to：Process is demodulated to the downlink data and obtains the first soft bit information, Decoding process is carried out to first soft bit information, the support equipment is obtained to the downlink data if decoding failure The second soft bit information for obtaining is demodulated, first soft bit information is merged with second soft bit information Obtain gathering soft bit information, and the set soft bit information is transmitted to transmitter.
Preferably, described device also includes：Transmitter 1003, for receiving the soft ratio of the set that the processor sends Special information, to the set soft bit information decoding process is carried out, and is sent to the base station after successfully decoded and is confirmed response message, Otherwise send negative acknowledgment message to the base station.
Transmitter 1003 is additionally operable to：If to the first soft bit information successfully decoded, to the base station institute is sent State confirmation response message.
Thus, the embodiment of the present invention receives the scrambling Downlink Control Information that base station sends by equipment of being benefited；Add to described Disturbing Downlink Control Information carries out scramble process, obtains Downlink Control Information；According to disturbing that the scrambling Downlink Control Information is used Code and/or the Downlink Control Information, determine the support equipment of the benefited equipment, and receive the base station and the support sets The downlink data of the Downlink Control Information scheduling that preparation is sent.So as to avoid when benefited equipment local environment deteriorates, nothing Method receives the problem of the data of network side transmission；And the present invention is when to benefited equipment sending data, by simultaneously to being benefited The support equipment of equipment sends the data, and the support equipment of the equipment that makes to be benefited is by the data of the transmission for receiving to benefited equipment Be forwarded to benefited equipment, reached the effect of many equipment diversity, improve the data transfer of benefited equipment throughput and/or can By property.
The embodiment of the present invention additionally provides a kind of system of communication, the method that the system implants above-mentioned communication, including The device of above-mentioned communication.In the system, when base station will send downlink data to benefited equipment, can provide for equipment of being benefited Selection signal condition is good in the equipment of supporting, relative free support equipment, and while to benefited equipment and selected Support equipment sends downlink data.After base station selected support equipment, it is first determined for scrambling the scrambler of Downlink Control Information, make Scrambling process is carried out to the Downlink Control Information with the scrambler, obtains scrambling Downlink Control Information；To the benefited equipment And the support equipment sends the downlink data that the scrambling Downlink Control Information and the scrambling Downlink Control Information are indicated, use With the benefited equipment and the support equipment respectively to obtaining the descending control after the scrambling Downlink Control Information descrambling Information, and make the support equipment determine that the Downlink Control Information refers to according to the scrambler and/or the Downlink Control Information The downlink data for showing is the data for supporting the benefited equipment, makes the benefited equipment according to the scrambler and/or described Downlink Control Information determines the support equipment that the base station is the benefited equipment distribution.Support equipment receives base station and sends Scrambling Downlink Control Information；Scramble process is carried out to the scrambling Downlink Control Information, Downlink Control Information is obtained；According to institute Scrambler and/or the Downlink Control Information that scrambling Downlink Control Information is used are stated, determines what the Downlink Control Information was indicated Downlink data is the data for supporting benefited equipment；The downlink data that the Downlink Control Information is indicated is obtained, and will be described Downlink data is sent to the benefited equipment.Benefited equipment receives the scrambling Downlink Control Information that base station sends；To the scrambling Downlink Control Information carries out scramble process, obtains Downlink Control Information；According to the scrambler that the scrambling Downlink Control Information is used And/or the Downlink Control Information, determine the support equipment of the benefited equipment, and receive the base station and the support equipment The downlink data of the Downlink Control Information scheduling for sending.So as to avoid when benefited equipment local environment deteriorates, it is impossible to Receive the problem of the data of network side transmission；And the present invention is when to benefited equipment sending data, by setting to being benefited simultaneously Standby support equipment sends the data, and makes the support equipment of benefited equipment turn the data of the transmission for receiving to benefited equipment Benefited equipment is sent to, the effect of many equipment diversity has been reached, the throughput and/or reliability of the data transfer of benefited equipment is improve Property.
The embodiment of the present invention additionally provides a kind of system of communication, the method that the system also implants above-mentioned communication, including Above-mentioned base station, support equipment, equipment of being benefited.Wherein, when base station will send downlink data to benefited equipment, can set to be benefited Selection signal condition is good in the standby equipment for providing supporting, relative free support equipment, and while to benefited equipment and institute The support equipment of selection sends downlink data.After base station selected support equipment, it is first determined for scrambling Downlink Control Information Scrambler, scrambling process is carried out using the scrambler to the Downlink Control Information, obtains scrambling Downlink Control Information；Receive to described It is descending that beneficial equipment and the support equipment transmission scrambling Downlink Control Information and the scrambling Downlink Control Information are indicated Data, to the benefited equipment and the support equipment respectively to it is described scrambling Downlink Control Information descrambling after obtain it is described under Row control information, and the support equipment is made for the descending control is determined according to the scrambler and/or the Downlink Control Information The downlink data that information processed is indicated is the data for supporting the benefited equipment, makes the benefited equipment according to the scrambler And/or the Downlink Control Information determines the support equipment of the base station distribution.Support equipment receives adding for base station transmission Disturb Downlink Control Information；Scramble process is carried out to the scrambling Downlink Control Information, Downlink Control Information is obtained；Added according to described Scrambler and/or the Downlink Control Information that Downlink Control Information is used are disturbed, determines that the Downlink Control Information is indicated descending Data are the data for supporting benefited equipment；The downlink data that the Downlink Control Information is indicated is obtained, and will be described descending Data is activation is to the benefited equipment.Benefited equipment receives the scrambling Downlink Control Information that base station sends；It is descending to the scrambling Control information carries out scramble process, obtains Downlink Control Information；According to the scrambler that uses of scrambling Downlink Control Information and/or The Downlink Control Information, determines the support equipment of the benefited equipment, and receives the base station and support equipment transmission The Downlink Control Information scheduling downlink data.So as to avoid when benefited equipment local environment deteriorates, it is impossible to receive To the problem of the data of network side transmission；And the present invention is when to benefited equipment sending data, by simultaneously to benefited equipment Support equipment sends the data, and the support equipment of the equipment that makes to be benefited by the data forwarding of the transmission for receiving to benefited equipment extremely Benefited equipment, has reached the effect of many equipment diversity, improves the throughput and/or reliability of the data transfer of benefited equipment.
Professional should further appreciate that, with reference to each example of the embodiments described herein description Unit and algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, it is hard in order to clearly demonstrate The interchangeability of part and software, according to function has generally described the composition and step of each example in the above description. These functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme. Professional and technical personnel can use different methods to realize described function to each specific application, but this realization It is not considered that beyond the scope of this invention.
Can be with hardware, computing device with reference to the method for the embodiments described herein description or the step of algorithm Software module, or the combination of the two is implementing.Software module can be placed in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field In any other form of storage medium well known to interior.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include Within protection scope of the present invention.

Claims (56)

1. a kind of method of communication, it is characterised in that methods described includes：
Support equipment receives the scrambling Downlink Control Information that base station sends；
Scramble process is carried out to the scrambling Downlink Control Information, Downlink Control Information is obtained；
The scrambler used according to the scrambling Downlink Control Information and/or the Downlink Control Information, determine the descending control Downlink data indicated by information is the data of equipment of being benefited；
The data of the benefited equipment indicated by the Downlink Control Information are obtained, and the data of the described benefited equipment for obtaining are sent out Deliver to the benefited equipment.
2. the method for communication according to claim 1, it is characterised in that described that the scrambling Downlink Control Information is carried out Before scramble process, also include：
Receive the scrambler for scrambling the Downlink Control Information that the base station sends.
3. the method for communication according to claim 2, it is characterised in that the scrambler be the benefited equipment cell without During line Network Temporary Identifier information, the Downlink Control Information includes the identification information of support equipment or including the support The identification information of equipment and the identification information for mark synthesis communication；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine the descending control The downlink data that information is indicated is for supporting the data of benefited equipment to include：
The identification information of the support equipment included according to the scrambler and the Downlink Control Information or according to described The identification information and the support equipment for mark synthesis communication that scrambler and the Downlink Control Information include Identification information, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine the support equipment Support the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine the descending control The downlink data that information is indicated is for supporting the data of benefited equipment to specifically include：
According to the scrambler, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine the support Equipment supports the benefited equipment；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter Breath include it is described for mark synthesis communication identification information and the support equipment identification information, determine it is described under Row data are, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment.
4. the method for communication according to claim 2, it is characterised in that the scrambler be the support equipment cell without During line Network Temporary Identifier information, the Downlink Control Information include the identification information of the benefited equipment or including for The identification information of mark synthesis communication and the identification information of the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine the descending control The downlink data that information is indicated is for supporting the data of benefited equipment to include：
The identification information of the described benefited equipment in the scrambler and the Downlink Control Information or according to the scrambler With the Downlink Control Information include described in for mark synthesis communication identification information and the benefited equipment mark Knowledge information, determines that the downlink data is, for supporting the data of the benefited equipment, and to determine the downlink data by described Support equipment supports the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine the descending control The downlink data that information is indicated is for supporting the data of benefited equipment to include：
According to the scrambler, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine the support Equipment supports the benefited equipment；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter Breath include it is described for mark synthesis communication identification information and the support equipment identification information, determine it is described under Row data are, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment.
5. the method for communication according to claim 2, it is characterised in that the scrambler is that the base station is received in advance for described When beneficial equipment and a scrambling Radio Network Temporary Identifier information of support equipment distribution, wrap in the Downlink Control Information Include the identification information of the benefited equipment or the identification information of the support equipment or including the mark for mark synthesis communication The identification information of the identification information or the support equipment of information and the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine the descending control The downlink data that information is indicated is for supporting the data of benefited equipment to include：
The identification information of the described benefited equipment included according to the scrambler and the Downlink Control Information or the support set Standby identification information, or the mark letter for mark synthesis communication is included according to the scrambler and the Downlink Control Information The identification information or the identification information of the support equipment of breath and the benefited equipment, determines that the Downlink Control Information is indicated Downlink data be, for supporting the data of the benefited equipment, and to determine that the downlink data supports institute by the support equipment State benefited equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine the descending control The downlink data that information is indicated is for supporting the data of benefited equipment to include：
According to the scrambler, the downlink data for determining the Downlink Control Information instruction is the number for supporting the benefited equipment According to, and determine that the downlink data supports the benefited equipment by the support equipment；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or the mark letter of the support equipment Breath, or the identification information and described for mark synthesis communication is included according to the scrambler and the Downlink Control Information The identification information of the identification information of benefited equipment or the support equipment, determines the downlink data that the Downlink Control Information is indicated It is, for supporting the data of the benefited equipment, and to determine that the downlink data supports described being benefited to set by the support equipment It is standby.
6. the method for communication according to claim 2, it is characterised in that the data by the described benefited equipment for obtaining Sending to the benefited equipment includes：
According to the configured information carried in the Downlink Control Information, power amplification process is carried out to the downlink data, and will Downlink data after power amplification is processed is forwarded to the benefited equipment, and the configured information is to take in the Downlink Control Information The data of the described benefited equipment for obtaining are amplified the information of forwarding by being used to refer to of band；Or
Process is demodulated to the downlink data and obtains soft bit information, according to carrying institute in the Downlink Control Information State downlink data soft bit information be forwarded to the benefited equipment configured information or according to base station send scheduling message, The acquisition downlink data sent according to benefited equipment request message or according to default transmission time interval, by institute State soft bit information and be forwarded to the benefited equipment；Or
Process is demodulated to the downlink data and obtains soft bit information, decoding process is carried out to the soft bit information, obtained To decoding data, receive according to the soft bit information by the downlink data carried in the Downlink Control Information is forwarded to The configured information of beneficial equipment or the scheduling message sent according to base station or the acquisition lower line number sent according to benefited equipment According to request message or according to default transmission time interval, the decoding data is forwarded to into the benefited equipment.
7. a kind of method of communication, it is characterised in that methods described includes：
Benefited equipment receives the scrambling Downlink Control Information that base station sends；
Scramble process is carried out to the scrambling Downlink Control Information, Downlink Control Information is obtained；
The scrambler used according to the scrambling Downlink Control Information and/or the Downlink Control Information, determine the benefited equipment Support equipment, and receive the downlink data of the Downlink Control Information scheduling that the base station and the support equipment send.
8. the method for communication according to claim 7, it is characterised in that described that the scrambling Downlink Control Information is carried out Scramble process, obtains also including before Downlink Control Information：
Receive the scrambler for scrambling the Downlink Control Information that the base station sends.
9. the method for communication according to claim 8, it is characterised in that the scrambler be the benefited equipment cell without During line Network Temporary Identifier information, the Downlink Control Information include the identification information of the support equipment or including for The identification information of mark synthesis communication and the identification information of the support equipment；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine the benefited equipment Support equipment include：The identification information of the support equipment included according to the scrambler and the Downlink Control Information, Or according to the scrambler and the Downlink Control Information include be used for mark synthesis communication identification information and The identification information of the support equipment, determines the support equipment of the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine the benefited equipment Support equipment include：
According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter The identification information and the identification information of the support equipment for mark synthesis communication that breath includes, it is determined that described receive The support equipment of beneficial equipment.
10. the method for communication according to claim 8, it is characterised in that the scrambler is the cell of the support equipment During Radio Network Temporary Identifier information, the Downlink Control Information includes the identification information of the benefited equipment or including use In the identification information and the identification information of the benefited equipment of mark synthesis communication；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine the benefited equipment Support equipment include：The identification information of the described benefited equipment included according to the scrambler and the Downlink Control Information, Or according to the scrambler and the Downlink Control Information include be used for mark synthesis communication identification information and The identification information of the benefited equipment, determines the support equipment of the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine the benefited equipment Support equipment include：According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or according to it is described it is descending control letter The identification information and the identification information of the benefited equipment for mark synthesis communication that breath includes, it is determined that described receive The support equipment of beneficial equipment.
The method of 11. communications according to claim 8, it is characterised in that the scrambler is that the base station is benefited for described When equipment and a scrambling Radio Network Temporary Identifier information of support equipment distribution, the Downlink Control Information includes The identification information of the benefited equipment or the identification information of the support equipment or including the mark for mark synthesis communication The identification information of the identification information or the support equipment of information and the benefited equipment；
The scrambler used according to the scrambling Downlink Control Information and the Downlink Control Information, determine the benefited equipment Support equipment include：The identification information of the described benefited equipment included according to the scrambler and the Downlink Control Information or The identification information of the support equipment or according to the scrambler and the Downlink Control Information include for identify synthesis The identification information of the identification information or the support equipment of the identification information of communication and the benefited equipment, determines described being benefited The support equipment of equipment；
The scrambler used according to the scrambling Downlink Control Information or the Downlink Control Information, determine the benefited equipment Support equipment include：According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or the mark letter of the support equipment Breath or the identification information and the benefited equipment for the mark synthesis communication that are included according to the Downlink Control Information Identification information or the support equipment identification information, determine the support equipment of the benefited equipment.
The method of 12. communications according to claim 7, it is characterised in that the reception base station send it is described under After the downlink data of row control information scheduling, also include：
Process is demodulated to the downlink data and obtains the first soft bit information, first soft bit information is decoded Process, the support equipment is obtained if decoding failure the second soft bit letter for obtaining is demodulated to the downlink data Breath, first soft bit information and second soft bit information is merged and obtains gathering soft bit information；
Decoding process is carried out to the set soft bit information, is sent to the base station after successfully decoded and is confirmed response message, it is no Then send negative acknowledgment message to the base station.
A kind of 13. methods of communication, it is characterised in that methods described includes：
It is determined that the scrambler for scrambling Downlink Control Information, is carried out at scrambling using the scrambler to the Downlink Control Information Reason, obtains scrambling Downlink Control Information；
Indicate to benefited equipment and the support equipment transmission scrambling Downlink Control Information and the scrambling Downlink Control Information Downlink data, to the benefited equipment and the support equipment respectively to obtaining institute after the scrambling Downlink Control Information descrambling Downlink Control Information is stated, and it is described descending the support equipment is determined according to the scrambler and/or the Downlink Control Information The downlink data that control information is indicated is the data for supporting the benefited equipment, makes the benefited equipment according to described Scrambler and/or the Downlink Control Information determine the support equipment that base station is the benefited equipment distribution.
The method of 14. communications according to claim 13, it is characterised in that the determination is used to scramble Downlink Control Information Scrambler after, also include：The scrambler is sent to the benefited equipment and the support equipment.
The method of 15. communications according to claim 14, it is characterised in that the determination is used to scramble Downlink Control Information Scrambler include：
Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the benefited equipment；
It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the benefited equipment Breath；
The Downlink Control Information includes the identification information of the support equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, at least include in the Downlink Control Information for mark synthesis communication identification information and The identification information of the support equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate State the communication that support equipment supports the benefited equipment.
The method of 16. communications according to claim 14, it is characterised in that the determination is used to scramble Downlink Control Information Scrambler include：
Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the support equipment；
It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the support equipment Breath；
The Downlink Control Information includes the identification information of the benefited equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, the Downlink Control Information includes the identification information and described for mark synthesis communication The identification information of benefited equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate described Support equipment supports the benefited equipment communication.
The method of 17. communications according to claim 14, it is characterised in that the determination is used to scramble Downlink Control Information Scrambler include：
It is that the support equipment and the benefited equipment distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information；
It is determined that for scrambling the scrambler of the Downlink Control Information for the scrambling Radio Network Temporary Identifier information；
The scrambling Radio Network Temporary Identifier information supports the benefited equipment to indicate the support equipment；Or, institute Stating Downlink Control Information includes the identification information of the benefited equipment and/or the identification information of the support equipment, to refer to Show the data that the downlink data is the benefited equipment, and to indicate that the support equipment supports the benefited equipment.
The method of 18. communications according to claim 13, it is characterised in that the determination is used to scramble Downlink Control Information Scrambler before, also include：
The selection in all devices that supporting is provided for the benefited equipment meets pre-conditioned equipment and receives as described The support equipment of beneficial equipment, it is described it is pre-conditioned for signal quality it is best.
19. a kind of devices of communication, it is characterised in that described device includes：
Transmission unit, for support equipment the scrambling Downlink Control Information that base station sends is received, and scrambles descending control by described Information transfer processed is to Descrambling unit；
Descrambling unit, it is descending according to the scrambling for receiving the scrambling Downlink Control Information that the transmission unit sends Scrambler and/or the Downlink Control Information that control information is used, determine that the downlink data that the Downlink Control Information is indicated is For supporting the data of benefited equipment, and the Downlink Control Information is transmitted to determining unit and acquiring unit；
Determining unit, for receiving the Downlink Control Information that the Descrambling unit sends, according to the descending control of the scrambling Scrambler or the scrambler and the Downlink Control Information that information is used, determine the lower line number that the Downlink Control Information is indicated According to for for supporting the data of benefited equipment；
Transmitting element, for receiving the Downlink Control Information that the Descrambling unit sends, obtains the Downlink Control Information The data of the benefited equipment for indicating, and by the data is activation of the described benefited equipment for obtaining to the benefited equipment.
The device of 20. communications according to claim 19, it is characterised in that the transmission unit is additionally operable to, receives described The scrambler for scrambling the Downlink Control Information that base station sends.
The device of 21. communications according to claim 20, it is characterised in that the scrambler is the cell of the benefited equipment During Radio Network Temporary Identifier information, the Downlink Control Information includes the identification information of the support equipment or including use In the identification information and the identification information of the support equipment of mark synthesis communication；
The determining unit specifically for：The support equipment included according to the scrambler and the Downlink Control Information Identification information or the mark communicated for mark synthesis according to the scrambler and the Downlink Control Information include The identification information of information and the support equipment, determines that the downlink data is the data for supporting the benefited equipment, And determine that the support equipment supports the benefited equipment；Or,
According to the scrambler, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine the support Equipment supports the benefited equipment；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter Breath include it is described for mark synthesis communication identification information and the support equipment identification information, determine it is described under Row data are, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment.
The device of 22. communications according to claim 20, it is characterised in that the scrambler is the cell of the support equipment During Radio Network Temporary Identifier information, the Downlink Control Information includes the identification information of the benefited equipment or including use In the identification information and the identification information of the benefited equipment of mark synthesis communication；
The determining unit specifically for：The mark of the described benefited equipment in the scrambler and the Downlink Control Information Information or the identification information communicated for mark synthesis according to the scrambler and the Downlink Control Information include And the identification information of the benefited equipment, determine that the downlink data is the data for supporting the benefited equipment, and really The fixed downlink data supports the benefited equipment by the support equipment；Or,
According to the scrambler, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine the support Equipment supports the benefited equipment；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter Breath include it is described for mark synthesis communication identification information and the support equipment identification information, determine it is described under Row data are, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment.
The device of 23. communications according to claim 20, it is characterised in that it is in advance described that the scrambler is the base station When benefited equipment and a scrambling Radio Network Temporary Identifier information of support equipment distribution, in the Downlink Control Information The identification information of identification information or the support equipment including the benefited equipment synthesizes the mark for communicating including for mark The identification information of the identification information or the support equipment of knowledge information and the benefited equipment；
The determining unit is specially：The mark of the described benefited equipment included according to the scrambler and the Downlink Control Information The identification information of knowledge information or the support equipment, or included for marking according to the scrambler and the Downlink Control Information Know the identification information of synthesis communication and the identification information or the identification information of the support equipment of the benefited equipment, determine institute The downlink data for stating Downlink Control Information instruction be for supporting the data of the benefited equipment, and determine the downlink data by The support equipment supports the benefited equipment；Or,
According to the scrambler, the downlink data for determining the Downlink Control Information instruction is the number for supporting the benefited equipment According to, and determine that the downlink data supports the benefited equipment by the support equipment；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or the mark letter of the support equipment Breath, or the identification information and described for mark synthesis communication is included according to the scrambler and the Downlink Control Information The identification information of the identification information of benefited equipment or the support equipment, determines the downlink data that the Downlink Control Information is indicated It is, for supporting the data of the benefited equipment, and to determine that the downlink data supports described being benefited to set by the support equipment It is standby.
The device of 24. communications according to claim 20, it is characterised in that the transmitting element specifically for：
According to the configured information carried in the Downlink Control Information, power amplification process is carried out to the downlink data, and will Downlink data after power amplification is processed is forwarded to the benefited equipment, and the configured information is to take in the Downlink Control Information The data of the described benefited equipment for obtaining are amplified the information of forwarding by being used to refer to of band；Or
Process is demodulated to the downlink data and obtains soft bit information, according to carrying institute in the Downlink Control Information State downlink data soft bit information be forwarded to the benefited equipment configured information or according to base station send scheduling message, The acquisition downlink data sent according to benefited equipment request message or according to default transmission time interval, by institute State soft bit information and be forwarded to the benefited equipment；Or
Process is demodulated to the downlink data and obtains soft bit information, decoding process is carried out to the soft bit information, obtained To decoding data, receive according to the soft bit information by the downlink data carried in the Downlink Control Information is forwarded to The configured information of beneficial equipment or the scheduling message sent according to base station or the acquisition lower line number sent according to benefited equipment According to request message or according to default transmission time interval, the decoding data is forwarded to into the benefited equipment.
25. a kind of devices of communication, it is characterised in that described device includes：
Transmission unit, for equipment of being benefited the scrambling Downlink Control Information that base station sends is received, and scrambles descending control by described Information transfer processed is to Descrambling unit；
Descrambling unit, for receiving the scrambling Downlink Control Information that the transmission unit sends, to the descending control of the scrambling Information processed carries out scramble process, obtains Downlink Control Information, and the Downlink Control Information is transmitted to determining unit；
Determining unit, for receiving the Downlink Control Information that the Descrambling unit sends, according to the descending control of the scrambling Scrambler and/or the Downlink Control Information that information is used, determine the support equipment of the benefited equipment, and receive the base station The downlink data of the Downlink Control Information scheduling sent with the support equipment.
The device of 26. communications according to claim 25, it is characterised in that the transmission unit is additionally operable to：Receive described The scrambler for scrambling the Downlink Control Information that base station sends.
The device of 27. communications according to claim 26, it is characterised in that the scrambler is the cell of the benefited equipment During Radio Network Temporary Identifier information, the Downlink Control Information includes the identification information of the support equipment or including use In the identification information and the identification information of the support equipment of mark synthesis communication；
The determining unit specifically for：The support equipment included according to the scrambler and the Downlink Control Information Identification information or the mark communicated for mark synthesis according to the scrambler and the Downlink Control Information include The identification information of information and the support equipment, determines the support equipment of the benefited equipment；Or,
According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter The identification information and the identification information of the support equipment for mark synthesis communication that breath includes, it is determined that described receive The support equipment of beneficial equipment.
The device of 28. communications according to claim 26, it is characterised in that the scrambler is the cell of the support equipment During Radio Network Temporary Identifier information, the Downlink Control Information includes the identification information of the benefited equipment or including use In the identification information and the identification information of the benefited equipment of mark synthesis communication；
The determining unit specifically for：The described benefited equipment included according to the scrambler and the Downlink Control Information Identification information or the mark communicated for mark synthesis according to the scrambler and the Downlink Control Information include The identification information of information and the benefited equipment, determines the support equipment of the benefited equipment；Or,
According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or according to it is described it is descending control letter The identification information and the identification information of the benefited equipment for mark synthesis communication that breath includes, it is determined that described receive The support equipment of beneficial equipment.
The device of 29. communications according to claim 26, it is characterised in that it is in advance described that the scrambler is the base station When benefited equipment and a scrambling Radio Network Temporary Identifier information of support equipment distribution, in the Downlink Control Information The identification information of identification information or the support equipment including the benefited equipment or including for mark synthesis communication The identification information of the identification information or the support equipment of identification information and the benefited equipment；
The determining unit specifically for：The described benefited equipment included according to the scrambler and the Downlink Control Information The identification information of identification information or the support equipment or the use included according to the scrambler and the Downlink Control Information The identification information communicated in mark synthesis and the identification information or the identification information of the support equipment of the benefited equipment, really The support equipment of the fixed benefited equipment；Or,
According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or the mark letter of the support equipment Breath or the identification information and the benefited equipment for the mark synthesis communication that are included according to the Downlink Control Information Identification information or the support equipment identification information, determine the support equipment of the benefited equipment.
The device of 30. communications according to claim 25, it is characterised in that described device also includes：Processing unit, is used for Process is demodulated to the downlink data and obtains the first soft bit information, first soft bit information is carried out at decoding Reason, the support equipment is obtained if decoding failure the second soft bit information for obtaining is demodulated to the downlink data, First soft bit information and second soft bit information are merged and obtains gathering soft bit information；
Transmitting element, for carrying out decoding process to the set soft bit information, sends true after successfully decoded to the base station Recognize response message, otherwise send negative acknowledgment message to the base station.
31. a kind of devices of communication, it is characterised in that described device includes：
Determining unit, for determining the scrambler for scrambling Downlink Control Information, using the scrambler to the descending control letter Breath carries out scrambling process, obtains scrambling Downlink Control Information, and the scrambling Downlink Control Information is transmitted to the transmission Unit；
Transmission unit, for receiving the scrambling Downlink Control Information and the descending control of the scrambling that the determining unit sends The downlink data that information is indicated, to benefited equipment and support equipment the scrambling Downlink Control Information is sent, and is benefited to described Equipment and the support equipment make institute respectively to obtaining the Downlink Control Information after the scrambling Downlink Control Information descrambling State support equipment and the described descending of the Downlink Control Information instruction is determined according to the scrambler and/or the Downlink Control Information Data are the data for supporting the benefited equipment, make the benefited equipment according to the scrambler and/or the descending control Information determines the support equipment that base station is the benefited equipment distribution.
The device of 32. communications according to claim 31, it is characterised in that the transmitting element is additionally operable to：Receive to described Beneficial equipment and the support equipment send the scrambler.
The device of 33. communications according to claim 32, it is characterised in that the determining unit specifically for：
Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the benefited equipment；
It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the benefited equipment Breath；
The Downlink Control Information includes the identification information of the support equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, the Downlink Control Information includes the identification information and described for mark synthesis communication The identification information of support equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate described Support equipment supports the communication of the benefited equipment.
The device of 34. communications according to claim 32, it is characterised in that the determining unit specifically for：
Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the support equipment；
It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the support equipment Breath；
The Downlink Control Information includes the identification information of the benefited equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, the Downlink Control Information includes the identification information and described for mark synthesis communication The identification information of benefited equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate described Support equipment supports the benefited equipment communication.
The device of 35. communications according to claim 32, it is characterised in that the determining unit specifically for：For described Support equipment and the benefited equipment distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information；It is determined that for scrambling the descending control letter The scrambler of breath is the scrambling Radio Network Temporary Identifier information；
The scrambling Radio Network Temporary Identifier information supports the benefited equipment to indicate the support equipment；Or, institute Stating Downlink Control Information includes the identification information of the benefited equipment and/or the identification information of the support equipment, to refer to Show the data that the downlink data is the benefited equipment, and to indicate that the support equipment supports the benefited equipment.
The device of 36. communications according to claim 31, it is characterised in that described device also includes：Select unit, is used for The selection in all devices that supporting is provided for the benefited equipment meets pre-conditioned equipment and sets as described being benefited Standby support equipment, it is described it is pre-conditioned for signal quality it is best.
37. a kind of support equipments, it is characterised in that the equipment includes：
Receiver, for support equipment the scrambling Downlink Control Information that base station sends is received, and scrambles descending control by described Information transfer is to processor；
Processor, for receiving the scrambling Downlink Control Information that the receiver sends, according to the descending control of the scrambling Scrambler and/or the Downlink Control Information that information is used, determine downlink data that the Downlink Control Information is indicated be for Support the data of the equipment of being benefited, and according to the scrambler that uses of scrambling Downlink Control Information or the scrambler and it is described under Row control information, the downlink data for determining the Downlink Control Information instruction is the data for supporting benefited equipment, and will The Downlink Control Information is transmitted to transmitter；
Transmitter, for receiving the Downlink Control Information of Descrambling unit transmission, obtains what the Downlink Control Information was indicated The data of benefited equipment, and by the data is activation of the described benefited equipment for obtaining to the benefited equipment.
38. support equipments according to claim 37, it is characterised in that the receiver is additionally operable to, receive the base station The scrambler for scrambling the Downlink Control Information for sending.
39. support equipments according to claim 38, it is characterised in that the scrambler be the benefited equipment cell without During line Network Temporary Identifier information, the Downlink Control Information include the identification information of the support equipment or including for The identification information of mark synthesis communication and the identification information of the support equipment；
The processor specifically for：The mark of the support equipment included according to the scrambler and the Downlink Control Information Knowledge information or the mark that is used for according to the scrambler and the Downlink Control Information include synthesize the mark letter of communication The identification information of breath and the support equipment, determines that the downlink data is the data for supporting the benefited equipment, and Determine that the support equipment supports the benefited equipment；Or,
According to the scrambler, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine the support Equipment supports the benefited equipment；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter Breath include it is described for mark synthesis communication identification information and the support equipment identification information, determine it is described under Row data are, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment.
40. support equipments according to claim 38, it is characterised in that the scrambler be the support equipment cell without During line Network Temporary Identifier information, the Downlink Control Information include the identification information of the benefited equipment or including for The identification information of mark synthesis communication and the identification information of the benefited equipment；
The processor specifically for：The mark letter of the described benefited equipment in the scrambler and the Downlink Control Information Breath or according to the scrambler and the Downlink Control Information include be used for mark synthesis communication identification information with And the identification information of the benefited equipment, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine The downlink data supports the benefited equipment by the support equipment；Or,
According to the scrambler, determine that the downlink data is, for supporting the data of the benefited equipment, and to determine the support Equipment supports the benefited equipment；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter Breath include it is described for mark synthesis communication identification information and the support equipment identification information, determine it is described under Row data are, for supporting the data of the benefited equipment, and to determine that the support equipment supports the benefited equipment.
41. support equipments according to claim 38, it is characterised in that the scrambler is that the base station is received in advance for described When beneficial equipment and a scrambling Radio Network Temporary Identifier information of support equipment distribution, wrap in the Downlink Control Information Include the identification information of the benefited equipment or the identification information of the support equipment or including the mark for mark synthesis communication The identification information of the identification information or the support equipment of information and the benefited equipment；
The processor specifically for：The mark of the described benefited equipment included according to the scrambler and the Downlink Control Information The identification information of knowledge information or the support equipment, or included for marking according to the scrambler and the Downlink Control Information Know the identification information of synthesis communication and the identification information or the identification information of the support equipment of the benefited equipment, determine institute The downlink data for stating Downlink Control Information instruction be for supporting the data of the benefited equipment, and determine the downlink data by The support equipment supports the benefited equipment；Or,
According to the scrambler, the downlink data for determining the Downlink Control Information instruction is the number for supporting the benefited equipment According to, and determine that the downlink data supports the benefited equipment by the support equipment；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or the mark letter of the support equipment Breath, or the identification information and described for mark synthesis communication is included according to the scrambler and the Downlink Control Information The identification information of the identification information of benefited equipment or the support equipment, determines the downlink data that the Downlink Control Information is indicated It is, for supporting the data of the benefited equipment, and to determine that the downlink data supports described being benefited to set by the support equipment It is standby.
42. support equipments according to claim 37, it is characterised in that the transmitter is additionally operable to：According to described descending The configured information carried in control information, to the downlink data power amplification process is carried out, and after power amplification is processed Downlink data is forwarded to the benefited equipment, and the configured information is that being used to refer to of carrying in the Downlink Control Information will be obtained The data of the described benefited equipment for taking are amplified the information of forwarding；Or
Process is demodulated to the downlink data and obtains soft bit information, according to carrying institute in the Downlink Control Information State downlink data soft bit information be forwarded to the benefited equipment configured information or according to base station send scheduling message, The acquisition downlink data sent according to benefited equipment request message or according to default transmission time interval, by institute State soft bit information and be forwarded to the benefited equipment；Or
Process is demodulated to the downlink data and obtains soft bit information, decoding process is carried out to the soft bit information, obtained To decoding data, receive according to the soft bit information by the downlink data carried in the Downlink Control Information is forwarded to The configured information of beneficial equipment or the scheduling message sent according to base station or the acquisition lower line number sent according to benefited equipment According to request message or according to default transmission time interval, the decoding data is forwarded to into the benefited equipment.
43. a kind of benefited equipment, it is characterised in that the equipment includes：
Receiver, for equipment of being benefited the scrambling Downlink Control Information that base station sends is received, and scrambles descending control by described Information transfer is to processor；
Processor, for receiving the scrambling Downlink Control Information that the receiver sends, to the descending control letter of the scrambling Breath carries out scramble process, obtains Downlink Control Information, and scrambles scrambler and/or the institute that Downlink Control Information is used according to described Downlink Control Information is stated, the support equipment of the benefited equipment is determined, and receives the base station and the support equipment sends The downlink data of the Downlink Control Information scheduling.
44. benefited equipment according to claim 43, it is characterised in that the receiver is additionally operable to, receive the base station The scrambler for scrambling the Downlink Control Information for sending.
45. benefited equipment according to claim 44, it is characterised in that the scrambler be the benefited equipment cell without During line Network Temporary Identifier information, the Downlink Control Information include the identification information of the support equipment or including for The identification information of mark synthesis communication and the identification information of the support equipment；
The processor specifically for：The mark of the support equipment included according to the scrambler and the Downlink Control Information Knowledge information or the mark that is used for according to the scrambler and the Downlink Control Information include synthesize the mark letter of communication The identification information of breath and the support equipment, determines the support equipment of the benefited equipment；Or,
According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the support equipment included according to the Downlink Control Information or according to it is described it is descending control letter The identification information and the identification information of the support equipment for mark synthesis communication that breath includes, it is determined that described receive The support equipment of beneficial equipment.
46. benefited equipment according to claim 44, it is characterised in that the scrambler be the support equipment cell without During line Network Temporary Identifier information, the Downlink Control Information include the identification information of the benefited equipment or including for The identification information of mark synthesis communication and the identification information of the benefited equipment；
The processor specifically for：The mark of the described benefited equipment included according to the scrambler and the Downlink Control Information Knowledge information or the mark that is used for according to the scrambler and the Downlink Control Information include synthesize the mark letter of communication The identification information of breath and the benefited equipment, determines the support equipment of the benefited equipment；Or,
According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or according to it is described it is descending control letter The identification information and the identification information of the benefited equipment for mark synthesis communication that breath includes, it is determined that described receive The support equipment of beneficial equipment.
47. benefited equipment according to claim 44, it is characterised in that the scrambler is that the base station is received in advance for described When beneficial equipment and a scrambling Radio Network Temporary Identifier information of support equipment distribution, wrap in the Downlink Control Information Include the identification information of the benefited equipment or the identification information of the support equipment or including the mark for mark synthesis communication The identification information of the identification information or the support equipment of knowledge information and the benefited equipment；
The processor specifically for：The mark of the described benefited equipment included according to the scrambler and the Downlink Control Information The identification information of knowledge information or the support equipment or according to being used for that the scrambler and the Downlink Control Information include The identification information of mark synthesis communication and the identification information or the identification information of the support equipment of the benefited equipment, it is determined that The support equipment of the benefited equipment；Or,
According to the scrambler, the support equipment of the benefited equipment is determined；Or,
The identification information of the described benefited equipment included according to the Downlink Control Information or the mark letter of the support equipment Breath or the identification information and the benefited equipment for the mark synthesis communication that are included according to the Downlink Control Information Identification information or the support equipment identification information, determine the support equipment of the benefited equipment.
48. benefited equipment according to claim 43, it is characterised in that the processor is additionally operable to：To the lower line number The first soft bit information is obtained according to process is demodulated, decoding process is carried out to first soft bit information, if decoding is lost Lose, obtain the support equipment and the second soft bit information for obtaining is demodulated to the downlink data, by the described first soft ratio Special information merges with second soft bit information and obtains gathering soft bit information, and by the set soft bit information Transmit to transmitter；
The equipment also includes transmitter, for receiving the set soft bit information that the processor sends, to the collection Closing soft bit information carries out decoding process, sends to the base station after successfully decoded and confirms response message, otherwise to the base station Send negative acknowledgment message.
49. a kind of base stations, it is characterised in that the base station includes：
Processor, for determining the scrambler for scrambling Downlink Control Information, using the scrambler to the Downlink Control Information Scrambling process is carried out, obtains scrambling Downlink Control Information, and the scrambling Downlink Control Information is transmitted to transmitter；
Transmitter, for receiving the scrambling Downlink Control Information and the scrambling Downlink Control Information that the processor sends The downlink data of instruction, sends the scrambling Downlink Control Information, to the benefited equipment to benefited equipment and support equipment And the support equipment is respectively to obtaining the Downlink Control Information after the scrambling Downlink Control Information descrambling, and make described propping up Support equipment determines the downlink data that the Downlink Control Information is indicated according to the scrambler and/or the Downlink Control Information It is the data for supporting the benefited equipment, makes the benefited equipment according to the scrambler and/or the Downlink Control Information Determine the support equipment that the base station is the benefited equipment distribution.
50. base stations according to claim 49, it is characterised in that the transmitter is additionally operable to：To the benefited equipment and The support equipment sends the scrambler.
51. base stations according to claim 50, it is characterised in that the processor specifically for：
Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the benefited equipment；
It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the benefited equipment Breath；
The Downlink Control Information includes the identification information of the support equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, the Downlink Control Information includes the identification information and described for mark synthesis communication The identification information of support equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate described Support equipment supports the communication of the benefited equipment.
52. base stations according to claim 50, it is characterised in that the processor specifically for：
Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information for the support equipment；
It is determined that the scrambler for scrambling the Downlink Control Information is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI letter of the support equipment Breath；
The Downlink Control Information includes the identification information of the benefited equipment, to indicate that it is described that the support equipment is supported The communication of benefited equipment；Or, the Downlink Control Information includes the identification information and described for mark synthesis communication The identification information of benefited equipment, to indicate that the downlink data is the data for synthesis communication, and to indicate described Support equipment supports the benefited equipment communication.
53. base stations according to claim 50, it is characterised in that the processor specifically for：For the support equipment Distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information with the benefited equipment；It is determined that the scrambler for scrambling the Downlink Control Information For the scrambling Radio Network Temporary Identifier information；
The scrambling Radio Network Temporary Identifier information supports the benefited equipment to indicate the support equipment；Or, institute Stating Downlink Control Information includes the identification information of the benefited equipment and/or the identification information of the support equipment, to refer to Show the data that the downlink data is the benefited equipment, and to indicate that the support equipment supports the benefited equipment.
54. base stations according to claim 49, it is characterised in that the processor is additionally operable to：For the benefited equipment To there is provided selected in all devices of supporting and meet pre-conditioned equipment as the support equipment of the benefited equipment, it is described It is pre-conditioned for signal quality it is best.
55. a kind of systems of communication, it is characterised in that the system includes the communication as described in any one of claim 19-36 Device.
56. a kind of systems of communication, it is characterised in that the system includes the support as described in any one of claim 37-42 The benefited equipment described in support equipment, any one of claim 49-54 described in equipment, any one of claim 43-48.
CN201280040623.0A 2012-11-27 2012-11-27 Communication method, apparatus and system Active CN103959677B (en)

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CN102006602A (en) * 2009-09-02 2011-04-06 大唐移动通信设备有限公司 Method, system and device for transmitting cooperative data
EP2403297A1 (en) * 2010-06-30 2012-01-04 Alcatel Lucent Method for transmitting a pilot sequence, relaying node of a cellular communication network, and base station of a cellular communication network
KR20120096789A (en) * 2011-02-23 2012-08-31 성균관대학교산학협력단 Method for transmitting and receiving using inter-sector comp and inter-sector comp system for performing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101098180A (en) * 2007-06-04 2008-01-02 华为技术有限公司 Wireless network, terminal message routing method, terminal login and paging method
CN102006602A (en) * 2009-09-02 2011-04-06 大唐移动通信设备有限公司 Method, system and device for transmitting cooperative data
EP2403297A1 (en) * 2010-06-30 2012-01-04 Alcatel Lucent Method for transmitting a pilot sequence, relaying node of a cellular communication network, and base station of a cellular communication network
KR20120096789A (en) * 2011-02-23 2012-08-31 성균관대학교산학협력단 Method for transmitting and receiving using inter-sector comp and inter-sector comp system for performing the same

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