CN104509199B - Data transmission method and system - Google Patents

Data transmission method and system Download PDF

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Publication number
CN104509199B
CN104509199B CN201380039938.8A CN201380039938A CN104509199B CN 104509199 B CN104509199 B CN 104509199B CN 201380039938 A CN201380039938 A CN 201380039938A CN 104509199 B CN104509199 B CN 104509199B
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China
Prior art keywords
network equipment
information
control channel
downlink data
response message
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CN201380039938.8A
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Chinese (zh)
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CN104509199A (en
Inventor
邵家枫
曲秉玉
杨晓东
贺传峰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The embodiment of the present invention provides a kind of data transmission method and system, wherein method includes: that first network equipment uses transfer resource parameter to user device transmissions downlink data, second network equipment uses the transfer resource parameter to downlink data described in the user device transmissions, wherein, the transfer resource parameter that second network equipment uses is the first network equipment in advance to second network equipments configuration；And, the first network equipment receives the response message that the user equipment is sent, or, the first network equipment notifies second network equipment to receive response message and receives the response message that the user equipment is sent by second network equipment, wherein, the response message is that user equipment resource allocation information according to indicated by the configuration information of Physical Uplink Control Channel is sent, and the configuration information of the Physical Uplink Control Channel is that the first network equipment is prenoticed to the user equipment.

Description

Data transmission method and system
Technical field
The present invention relates to the communication technology more particularly to a kind of data transmission method and systems.
Background technique
Cooperative multi-point transmission/reception (Coordinated Multiple Point transmission/reception, Referred to as: CoMP) technology can share channel state information and user data information between multiple network equipments, carry out multiple spot connection The transmitting or reception of conjunction, to realize the effective use to Internet resources.But existing CoMP technology is all built upon ideal On backhaul (backhaul), ideal backhaul refers to that information can be with low time delay high-throughput between heterogeneous networks equipment Interaction.Here the network equipment can be base station, be also possible to remote radio units (Radio Remote Head) etc..
In actual scene, due to factors such as environment or different manufacturers, so that ideal backhaul is difficult to realize.For example, It may be ideal backhaul, such as multiple RRH of base station control between some network equipments between multiple network equipments It is ideal backhaul, but there are also be non-ideal backhaul between some network equipments.
In ideal backhaul, dynamic point selection technique or dynamic point blanking technique (dynamic can be used Point selection or dynamic point blanking), so as to the selected section network equipment in a subframe Some running time-frequency resources on to user equipment emit data, and other network equipment can not emit on these running time-frequency resources Data.
In a communications system, (Hybrid automatic repeat can be retransmitted using hybrid automatic request Request) HARQ technology.In HARQ technology, the network equipment emits the data of a data block to user equipment, if user sets It is standby to have correctly received data, then affirmative acknowledgement (acknowledge, abbreviation ACK) is fed back, if user equipment is not properly received To data, then negative response (negative acknowledge, abbreviation NACK) is fed back.If the network equipment receives NACK, Then carry out the re-transmission of the data block；If the network equipment receives ACK, new data block is transmitted.
The either first biography or re-transmission of data block, in ideal backhaul, because can be between the network equipment The information such as channel status, the received data of transmitting are quickly shared, so failing correctly to be connect by UE in the data that some antenna is sent In the case where receipts, the network equipment can with other antennas of dynamic select carry out data re-transmission, therefore the first biography of a HARQ procedure and Re-transmission can be converted dynamically between mutiple antennas, to obtain the gain of coordinated multi-point.
Under the scene of non-ideal backhaul, due to when multiple LA Management Rooms, which carry out information exchange, has biggish Prolong, the data that the network equipment may be unable to learn in time other network equipments send situation, for example, can not know that other networks are set Whether the data that preparation is sent are properly received by UE, therefore the dynamic retransmission scheme not being available under ideal backhaul scene, from And can not be by being obtained between multiple network equipments in the cooperation of data transmission under the scene of non-ideal backhaul Unity gain.
Summary of the invention
The embodiment of the present invention provides the method and apparatus of a kind of information configuration and data receiver, to realize using cooperation Mode is that UE sends data, so that the reliability that data are sent is higher.
In a first aspect, providing a kind of information configuring methods, comprising:
First network equipment is first group of resource collection of user device configuration Physical Downlink Control Channel set, is described Second group of resource collection of the Physical Downlink Control Channel that user device configuration retransmits, wherein the physical down control of the re-transmission Channel processed be the Physical Downlink Control Channel set at least one subset in Physical Downlink Control Channel indicated by under The Physical Downlink Control Channel of re-transmission corresponding to row data；And
The first network equipment sends the information and described of first group of resource collection to the user equipment The information of two groups of resource collections.
With reference to first aspect, in the first possible implementation, described to send described second to the user equipment After the information of group resource collection, further includes: the first network equipment sends at least one described subset to the user equipment In Physical Downlink Control Channel at least one Physical Downlink Control Channel, at least one described Physical Downlink Control Channel holds The first control information is carried, the first control information includes downlink data dispatching information；And/or second the network equipment to described User equipment sends at least one Physical Downlink Control Channel of the Physical Downlink Control Channel at least one described subset, institute At least one Physical Downlink Control Channel carrying the first control information is stated, the first control information includes downlink data dispatching letter Breath, wherein second network equipment is controlled by the first network equipment.
With reference to first aspect or the first possible implementation of first aspect, in second of possible implementation In, the information of second group of resource collection includes corresponding relationship, and the corresponding relationship is the object at least one described subset The corresponding relationship of down control channel and second group of resource collection is managed, alternatively, at least one described subset and described the The corresponding relationship of two groups of resource collections.
With reference to first aspect or the first possible implementation of first aspect, in the third possible implementation In, the Physical Downlink Control Channel at least one described subset also indicates second group of resource collection.
It is possible at the 4th kind with reference to first aspect any one of to the third possible implementation of first aspect In implementation, further includes: for the Physical Downlink Control Channel at least one described subset, the first network equipment to The transmitting of the configuration information of the notification of user equipment Physical Uplink Control Channel and/or the ascending physical signal down control channel Power configuration information, wherein the ascending physical signal down control channel is for carrying indicated by the Physical Downlink Control Channel The downlink data response message.
The possible implementation of with reference to first aspect the first any one of to the 4th kind of possible implementation, In 5th kind of possible implementation, the first network equipment is sent at least one described subset to the user equipment After at least one Physical Downlink Control Channel of Physical Downlink Control Channel, further includes: if second network equipment receives The negative response information sent to the user equipment, then second network equipment sends described second to the user equipment The Physical Downlink Control Channel of at least one re-transmission on group resource collection, the physical down control of at least one re-transmission Channel bearing second processed controls information, wherein the second control information includes under the physics of at least one re-transmission The scheduling information of the corresponding downlink data of row control channel；Or
Second network equipment sends the physical down at least one described subset to the user equipment and controls letter After at least one Physical Downlink Control Channel in road, further includes: if the first network equipment receives the user equipment The negative response information of transmission, then the first network equipment is sent on second group of resource collection to the user equipment The Physical Downlink Control Channel of at least one re-transmission, the Physical Downlink Control Channel of at least one re-transmission Carrying the second control information, wherein the second control information includes the physical down control of at least one re-transmission The scheduling information of the corresponding downlink data of channel.
With reference to first aspect or any possible implementation of first aspect, in the 6th kind of possible implementation In, further includes: for the Physical Downlink Control Channel at least one described subset, the first network equipment is to the user Equipment notifies one group of public reference signal CRS rate matching information, wherein in one group of CRS rate matching information at least One CRS rate matching information contains at least two CRS drawing information, and the physical down at least one described subset controls letter The downlink data of road instruction using at least one CRS rate matching information in one group of CRS rate matching information into Row rate-matched.
With reference to first aspect or any possible implementation of first aspect, in the 7th kind of possible implementation In, the information of first group of resource collection, comprising: the running time-frequency resource configuration information of the Physical Downlink Control Channel set, And/or the information of second group of resource collection, comprising: the running time-frequency resource of the Physical Downlink Control Channel of the re-transmission configures Information.
Second aspect provides a kind of data receiver method, comprising:
The information for first group of resource collection that user equipment is sent according to first network equipment receives under at least one physics Row control channel, obtains the first control information carried at least one described Physical Downlink Control Channel, and according to described the The downlink data dispatching information for including in one control information receives downlink data, wherein first group of resource collection is first The network equipment is the resource collection of the Physical Downlink Control Channel set of user device configuration in advance, under at least one described physics Row control channel is the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set；And
Second corresponding to the information for second group of resource collection that the user equipment is sent in the first network equipment The Physical Downlink Control Channel of re-transmission corresponding to the downlink data is detected on group resource collection, wherein second group of money Source set is the Physical Downlink Control Channel that the first network equipment is the preconfigured re-transmission of the user equipment Resource collection.
In conjunction with second aspect, in the first possible implementation, the user equipment is on second group of resource collection Before the Physical Downlink Control Channel of corresponding re-transmission for detecting the downlink data, further includes:
The user equipment is according at least one received Physical Downlink Control Channel of institute and second group of resource collection Information in include corresponding relationship, determine the corresponding second group of resource collection of the re-transmission of the downlink data, wherein institute Stating corresponding relationship is the Physical Downlink Control Channel pass corresponding with second group of resource collection at least one described subset System, the corresponding relationship or pair for subset and second group of resource collection in the Physical Downlink Control Channel set It should be related to, and the corresponding relationship is sent by the first network equipment.
In conjunction with second aspect, in the second possible implementation, the user equipment is according to second group of resource collection Information, before the Physical Downlink Control Channel of corresponding re-transmission for determining the downlink data, further includes:
The user equipment according to the instruction of at least one Physical Downlink Control Channel received, determine it is described under The corresponding second group of resource collection of the re-transmission of row data.
It is possible at the third in conjunction with any one of second of possible implementation of second aspect to second aspect In implementation, the method also includes: the method also includes: for the physical down control at least one described subset Channel, the user equipment receive the configuration information of the Physical Uplink Control Channel of the first network equipment notice；
It is described according to it is described first control information in include downlink data dispatching information receive downlink data after, it is described Method further include: the user equipment determines that the downlink data is corresponding according to the configuration information of the Physical Uplink Control Channel The Physical Uplink Control Channel resource information, and according to the resource information of the Physical Uplink Control Channel send described in The response message of downlink data.
In conjunction with the third possible implementation of second aspect, in the fourth possible implementation, the basis The downlink data dispatching information for including in the first control information receives after downlink data, further includes:
If the response message is negative response information, the user equipment is according to the letter of second group of resource collection Breath receives the Physical Downlink Control Channel of at least one re-transmission of second group of resource collection, wherein the re-transmission Physical Downlink Control Channel carrying the second control information；
The user equipment receives the downlink data of re-transmission according to the scheduling information for including in the second control information, Wherein, the scheduling information is the scheduling information of the corresponding downlink data of Physical Downlink Control Channel of the re-transmission.
In conjunction with the third possible implementation of second aspect or the 4th kind of possible implementation, in the 5th kind of possibility Implementation in, the resource information according to the Physical Uplink Control Channel sends the response message of the downlink data Before, further includes: for the Physical Downlink Control Channel at least one described subset, the user equipment receives described first The transmission power configuration information of the Physical Uplink Control Channel of network equipment notice；
The resource information according to the Physical Uplink Control Channel sends the response message of the downlink data, packet Include: the user equipment determines that the transmission power of the Physical Uplink Control Channel is believed according to the transmission power configuration information Breath, and answering for the downlink data is sent according to the resource information of the Physical Uplink Control Channel and the transmission power information Answer information.
In conjunction with the 5th kind of possible implementation of second aspect, in a sixth possible implementation, the transmitting It include: reference signal power in power configuration information；
The user equipment determines the transmitting function of the Physical Uplink Control Channel according to the transmission power configuration information Rate information, and the downlink data is sent according to the resource information of the ascending physical signal control channel and the transmission power information Response message, comprising:
The user equipment determines downlink path loss estimated value according to the reference signal power, is estimated according to the downlink path loss Evaluation determines the transmission power of the Physical Uplink Control Channel, and according to the resource information of the ascending physical signal control channel and The transmission power sends the response message of the downlink data.
In conjunction with any possible implementation of second aspect or second aspect, in the 7th kind of possible implementation In, before the downlink data dispatching information reception downlink data for including in the first control information, further includes:
For the Physical Downlink Control Channel at least one described subset, the user equipment receives the first network One group of public reference signal CRS rate matching information of equipment notice, at least one of described one group of CRS rate matching information Contain at least two CRS drawing information；
It is described according to it is described first control information in include downlink data dispatching information receive downlink data before, packet Include: the user equipment is using at least one CRS rate matching information in one group of CRS rate matching information, to described The downlink data of Physical Downlink Control Channel instruction at least one subset, carries out rate-matched.
The third aspect provides a kind of network equipment, comprising:
Configuration unit, for first group of resource collection for user device configuration Physical Downlink Control Channel set, and For second group of resource collection of the Physical Downlink Control Channel that the user device configuration retransmits, wherein the physics of the re-transmission Down control channel is that the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set is signified The Physical Downlink Control Channel of re-transmission corresponding to the downlink data shown；And
Transmission unit, for sending the information of first group of resource collection and second group described to the user equipment The information of resource collection.
In conjunction with the third aspect, in the first possible implementation, the transmission unit is also used to the user After equipment sends the information of second group of resource collection, Xiang Suoshu user equipment sends the physics at least one described subset At least one Physical Downlink Control Channel of down control channel, first control of at least one Physical Downlink Control Channel carrying Information processed, the first control information includes downlink data dispatching information.
In conjunction with the possible implementation of the first of the third aspect or the third aspect, in second of possible implementation In, the information for second group of resource collection that the transmission unit is sent to the user equipment includes corresponding relationship, described Corresponding relationship is the corresponding relationship of the Physical Downlink Control Channel and second group of resource collection at least one described subset, Alternatively, for the corresponding relationship of described at least one subset and second group of resource collection.
In conjunction with the possible implementation of the first of the third aspect or the third aspect, in the third possible implementation In, Physical Downlink Control Channel of the transmission unit at least one subset described in user equipment transmission also indicates described Second group of resource collection.
In conjunction with the third aspect or the third any possible implementation, in the fourth possible implementation, The transmission unit, is also used to: for the Physical Downlink Control Channel at least one described subset, Xiang Suoshu user equipment is logical Know the configuration information of Physical Uplink Control Channel and/or the transmission power configuration information of the Physical Uplink Control Channel, wherein The Physical Uplink Control Channel is used to carry the response letter of the downlink data indicated by the Physical Downlink Control Channel Breath.
In conjunction with the third aspect the first possible implementation any one of to the 4th kind of possible implementation, In 5th kind of possible implementation, the network equipment is first network equipment；
The network equipment further include: receiving unit, the negative response information sent for receiving the user equipment；
The transmission unit is also used to after the receiving unit receives the negative response information, to the use Family equipment sends the Physical Downlink Control Channel of at least one re-transmission on second group of resource collection, wherein described Physical Downlink Control Channel carrying the second control information of at least one re-transmission, the second control information include it is described extremely The scheduling information of the corresponding downlink data of Physical Downlink Control Channel of a few re-transmission, wherein described in corresponding at least The downlink data of the Physical Downlink Control Channel of one re-transmission is sent out from second network equipment to the user equipment It send, and second network equipment is controlled by the first network equipment.
In conjunction with any possible implementation of the third aspect or the third aspect, in the 6th kind of possible implementation In, the transmission unit is also used to: for the Physical Downlink Control Channel at least one described subset, Xiang Suoshu user is set It is standby to notify one group of public reference signal CRS rate matching information, wherein at least one in one group of CRS rate matching information A CRS rate matching information contains at least two CRS drawing information, the Physical Downlink Control Channel at least one described subset The downlink data indicated is carried out using at least one CRS rate matching information in one group of CRS rate matching information Rate-matched.
In conjunction with any possible implementation of the third aspect or the third aspect, in the 7th kind of possible implementation In, the information for first group of resource collection that the sending module is sent, comprising: the Physical Downlink Control Channel set Running time-frequency resource configuration information, and/or, the information for second group of resource collection that the sending module is sent, comprising: described heavy The running time-frequency resource configuration information of the Physical Downlink Control Channel of biography.
Fourth aspect provides a kind of user equipment, comprising:
Storage unit, the Physical Downlink Control Channel set sent in advance to user equipment for storing first network equipment First group of resource collection information, and the storage first network equipment re-transmission that is sent in advance to the user equipment The information of second group of resource collection of Physical Downlink Control Channel；
The information of acquiring unit, first group of resource collection for being stored according to the storage unit receives at least one A Physical Downlink Control Channel obtains the first control information carried at least one described Physical Downlink Control Channel, and root Downlink data is received according to the downlink data dispatching information for including in the first control information；Wherein, at least one described physics Down control channel is the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set；And
Processing unit, second group of money corresponding to the information of second group of resource collection for being stored in the storage unit Source collection closes, and detects the Physical Downlink Control Channel of the re-transmission corresponding to the downlink data.
In conjunction with fourth aspect, in the first possible implementation, second group of money of the storage unit storage The information of source set includes: corresponding relationship, and the corresponding relationship is the Physical Downlink Control Channel at least one described subset With the corresponding relationship of second group of resource collection, the corresponding relationship or in the Physical Downlink Control Channel set The corresponding relationship of subset and second group of resource collection；
The processing unit is also used to detect the object of the corresponding re-transmission of the downlink data on second group of resource collection Before managing down control channel, the corresponding relationship that is stored according to the storage unit and described in the acquisition module receives At least one Physical Downlink Control Channel determines the corresponding second group of resource collection of the re-transmission of the downlink data.
In conjunction with fourth aspect, in the second possible implementation, the processing unit is also used to according to the acquisition The instruction at least one described Physical Downlink Control Channel that module receives, determines that the re-transmission of the downlink data is corresponding Second group of resource collection.
In conjunction with any possible implementation of fourth aspect or fourth aspect, in the third possible implementation, The acquiring unit, is also used to: for the Physical Downlink Control Channel at least one described subset, receiving the first network The configuration information of the Physical Uplink Control Channel of equipment notice；
The processing unit is also used in the acquiring unit according to the downlink for including in the first control information After Data scheduling information receives the downlink data, according to the Physical Uplink Control Channel of acquiring unit acquisition Configuration information determines the resource information of the corresponding Physical Uplink Control Channel of the downlink data；
The user equipment further include: transmission unit, the physical uplink control for being determined according to the processing unit The resource information of channel processed sends the response message of the downlink data.
In conjunction with the third possible implementation of fourth aspect, in the fourth possible implementation, the acquisition Unit is also used to: if the response message that the transmission unit is sent is negative response information, according to second group of money The information of source set, receives the Physical Downlink Control Channel of at least one re-transmission of second group of resource collection, wherein Physical Downlink Control Channel carrying the second control information of the re-transmission；And include according in the second control information Scheduling information receives the downlink data of re-transmission, wherein the scheduling information is that the Physical Downlink Control Channel of the re-transmission is corresponding Downlink data scheduling information.
In conjunction with the third possible implementation of fourth aspect or the 4th kind of possible implementation, in the 5th kind of possibility Implementation in, the acquiring unit is also used to: for the Physical Downlink Control Channel at least one described subset, being connect Receive the transmission power configuration information of the Physical Uplink Control Channel of the first network equipment notice；
The transmission unit is specifically used for the physical uplink determined as follows according to the processing unit and controls The resource information of channel sends the response message of the downlink data: being matched according to the transmission power that the acquiring unit obtains Confidence breath determines the transmission power information of the Physical Uplink Control Channel, and according to the resource of the Physical Uplink Control Channel Information and the transmission power information send the response message of the downlink data.
In conjunction with the 5th kind of possible implementation of fourth aspect, in a sixth possible implementation, the acquisition It include: reference signal power in the received transmission power configuration information of unit；
The transmission unit is specifically used for as follows according to the transmission power obtained according to the acquiring unit Configuration information determines the transmission power information of the Physical Uplink Control Channel, and according to the money of the Physical Uplink Control Channel Source information and the transmission power information send the response message of the downlink data: under being determined according to the reference signal power Estimated value is damaged in walking along the street, and the transmission power of the Physical Uplink Control Channel, Yi Jigen are determined according to the downlink path loss estimated value The response message of the downlink data is sent according to the resource information and the transmission power of the Physical Uplink Control Channel.
In conjunction with any possible implementation of fourth aspect or fourth aspect, in the 7th kind of possible implementation In, the acquiring unit is also used to: for the Physical Downlink Control Channel at least one described subset, receiving described first One group of public reference signal CRS rate matching information of network equipment notice, in one group of CRS rate matching information at least One contains at least two CRS drawing information；
The acquisition module is also used to, before receiving the downlink data, using in one group of CRS rate matching information At least one CRS rate matching information, at least one described subset Physical Downlink Control Channel instruction it is described under Row data carry out rate-matched.
5th aspect, provides a kind of network equipment, comprising:
Processor, for first group of resource collection for user device configuration Physical Downlink Control Channel set, Yi Jiwei Second group of resource collection of the Physical Downlink Control Channel that the user device configuration retransmits, wherein under the physics of the re-transmission Row control channel is indicated by the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set Downlink data corresponding to re-transmission Physical Downlink Control Channel；And
Transmitter, for sending the information for first group of resource collection that the processor configures to the user equipment And the information of second group of resource collection.
In conjunction with the 5th aspect, in the first possible implementation, the transmitter is also used to set to the user After preparation send the information of second group of resource collection, Xiang Suoshu user equipment is sent under the physics at least one described subset At least one Physical Downlink Control Channel of row control channel, wherein described at least one Physical Downlink Control Channel carrying the One control information, the first control information includes downlink data dispatching information.
In conjunction with the first possible implementation of the 5th aspect or the 5th aspect, in second of possible implementation In, the information for second group of resource collection that the transmitter is sent includes corresponding relationship, the corresponding relationship be it is described extremely The corresponding relationship of Physical Downlink Control Channel and second group of resource collection in few a subset, alternatively, for described at least The corresponding relationship of a subset and second group of resource collection.
In conjunction with the first possible implementation of the 5th aspect, in the third possible implementation, the transmission Physical Downlink Control Channel of the device at least one subset described in user equipment transmission also indicates second group of resource set It closes.
In conjunction with any possible implementation of the 5th aspect or the 5th aspect, in the 4th kind of possible implementation In, the transmitter is also used to: for the Physical Downlink Control Channel at least one described subset, Xiang Suoshu user equipment Notify the configuration information of Physical Uplink Control Channel and/or the transmission power configuration information of the Physical Uplink Control Channel, In, the Physical Uplink Control Channel is for carrying response message.
In conjunction with any possible implementation of the 5th aspect or the 5th aspect, in the 5th kind of possible implementation In, the network equipment is first network equipment；The network equipment further include: receiver, for receiving the user equipment The negative response information of transmission；The transmitter is also used to after the receiver receives the negative response information, to The user equipment sends the Physical Downlink Control Channel of at least one re-transmission of second group of resource collection, wherein Physical Downlink Control Channel carrying the second control information of at least one re-transmission, the second control information includes institute State the scheduling information of the corresponding downlink data of Physical Downlink Control Channel of at least one re-transmission, wherein correspond to described The downlink data of the Physical Downlink Control Channel of at least one re-transmission is set from second network equipment to the user What preparation was sent, and second network equipment is controlled by the first network equipment.
In conjunction with any possible implementation of the 5th aspect or the 5th aspect, in the 6th kind of possible implementation In, the transmitter is also used to: for the Physical Downlink Control Channel at least one described subset, Xiang Suoshu user equipment Notify one group of public reference signal CRS rate matching information, wherein at least one of described one group of CRS rate matching information CRS rate matching information contains at least two CRS drawing information, and the Physical Downlink Control Channel at least one described subset refers to The downlink data shown carries out speed using at least one CRS rate matching information in one group of CRS rate matching information Rate matching.
In conjunction with any possible implementation of the 5th aspect or the 5th aspect, in the 7th kind of possible implementation In, the information for first group of resource collection that the transmitter is sent, comprising: the Physical Downlink Control Channel set when Frequency resource allocation information, and/or, the information for second group of resource collection that the transmitter is sent, comprising: the re-transmission The running time-frequency resource configuration information of Physical Downlink Control Channel.
6th aspect, provides a kind of user equipment, comprising:
Memory, for storing first network equipment in advance to the Physical Downlink Control Channel set of user equipment transmission The information of first group of resource collection, and the storage first network equipment is in advance to the object of the re-transmission of user equipment transmission Manage the information of second group of resource collection of down control channel；
The information of receiver, first group of resource collection for being stored according to the memory receives at least one object Down control channel is managed, obtains the first control information carried at least one described Physical Downlink Control Channel, and according to institute It states the downlink data dispatching information for including in the first control information and receives downlink data；Wherein, at least one described physical down Control channel is the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set；And
Processor, second group of resource set corresponding to the information of second group of resource collection for being stored in the memory It closes, detects the Physical Downlink Control Channel of the re-transmission corresponding to the downlink data.
In conjunction with the 6th aspect, in the first possible implementation, second group of resource of the memory storage The information of set includes: corresponding relationship, the corresponding relationship be Physical Downlink Control Channel at least one described subset with The corresponding relationship of second group of resource collection, the corresponding relationship or be the son in the Physical Downlink Control Channel set The corresponding relationship of collection and second group of resource collection；
The processor is also used to detect the physics of the corresponding re-transmission of the downlink data on second group of resource collection Before down control channel, according to the memory store the corresponding relationship and the receiver receive described in extremely A few Physical Downlink Control Channel, determines the corresponding second group of resource collection of the re-transmission of the downlink data.
In conjunction with the 6th aspect, in the second possible implementation, the processor is also used to according to the receiver The instruction at least one described Physical Downlink Control Channel received determines that the re-transmission of the downlink data is corresponding described Second group of resource collection.
In conjunction with any possible implementation of the 6th aspect or the 6th aspect, in the third possible implementation In, the receiver is also used to: for the Physical Downlink Control Channel at least one described subset, receiving first net The configuration information of the Physical Uplink Control Channel of network equipment notice；The processor is also used in the receiver according to After the downlink data dispatching information for including in first control information receives the downlink data, obtained according to the receiver The configuration information of the Physical Uplink Control Channel taken determines the corresponding Physical Uplink Control Channel of the downlink data Resource information；The network equipment further include: transmitter, the physical uplink for being determined according to the processor control The resource information of channel sends the response message of the downlink data.
In conjunction with the third possible implementation of the 6th aspect, in the fourth possible implementation, the reception Device is also used to: if the response message that the transmitter is sent is negative response information, according to second group of resource set The information of conjunction receives the Physical Downlink Control Channel of at least one re-transmission of second group of resource collection, wherein described Physical Downlink Control Channel carrying the second control information of re-transmission；And according to the scheduling for including in the second control information Information receives the downlink data of re-transmission, wherein the scheduling information is under the Physical Downlink Control Channel of the re-transmission is corresponding The scheduling information of row data.
In conjunction with the third possible implementation or the 4th kind of possible implementation of the 6th aspect, in the 5th kind of possibility Implementation in, the receiver is also used to: for the Physical Downlink Control Channel at least one described subset, being received The transmission power configuration information of the Physical Uplink Control Channel of the first network equipment notice；The transmission implement body is used The lower line number is sent in the resource information of the Physical Uplink Control Channel determined as follows according to the processor According to response message: the Physical Uplink Control Channel is determined according to the received transmission power configuration information of the receiver Transmission power information, and described in being sent according to the resource information of the Physical Uplink Control Channel and the transmission power information The response message of downlink data.
In conjunction with the 5th kind of possible implementation of the 6th aspect, in a sixth possible implementation, the reception It include: reference signal power in the received transmission power configuration information of device；The transmitter is specifically used for as follows The transmission power letter of the Physical Uplink Control Channel is determined according to the transmission power configuration information that the receiver obtains Breath, and answering for the downlink data is sent according to the resource information of the Physical Uplink Control Channel and the transmission power information It answers information: downlink path loss estimated value is determined according to the reference signal power, according to downlink path loss estimated value determination The transmission power of Physical Uplink Control Channel, and resource information and the transmitting function according to the Physical Uplink Control Channel Rate sends the response message of the downlink data.
In conjunction with any possible implementation of the 6th aspect or the 6th aspect, in the 7th kind of possible implementation In, the receiver is also used to: for the Physical Downlink Control Channel at least one described subset, receiving first net One group of public reference signal CRS rate matching information of network equipment notice, at least one in one group of CRS rate matching information It is a to contain at least two CRS drawing information；And the receiver is also used to, before receiving the downlink data, using described At least one CRS rate matching information in one group of CRS rate matching information, to the physical down at least one described subset The downlink data of control channel instruction, carries out rate-matched.
7th aspect, provides a kind of data transmission system, including first network equipment and second network equipment；Described first The network equipment is used for, and sends transfer resource parameter to second network equipment, and use the transfer resource parameter to user equipment Transmit downlink data；
Second network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user Equipment transmits the downlink data；And
The first network equipment is also used to,
To the configuration information of the notification of user equipment uplink control channel resource, the uplink control channel resource is matched Confidence ceases the resource allocation information for sending the corresponding response message of the downlink data to user equipment instruction, and
The response message is received, or, second network equipment is notified to receive the response message.
In the first possible implementation of the 7th aspect, if the first network equipment be also used to receive it is described Response message, and when the response message is negative response, the first network equipment is also used to, and Xiang Suoshu user equipment retransmits The downlink data；
Alternatively,
If the first network equipment is also used to that second network equipment is notified to receive the response message, and works as institute Stating response message is negative response, and second network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data.
In conjunction with the first possible implementation of the 7th aspect or the 7th aspect, in second of possible implementation In, the first network equipment is specifically used for that second network equipment is notified to receive the response message as follows:
The first network equipment carries the uplink control channel of the response message to second network equipment notice The configuration information of resource.
In conjunction with any possible implementation of the 7th aspect or the 7th aspect, in the third possible implementation In, second network equipment is also used to, and receives one group of public reference signal CRS rate that the first network equipment is sent With information；
The first network equipment is also used to, using the transfer resource parameter to user device transmissions downlink data it Before, it determines and transmits the corresponding CRS information of the downlink data in one group of CRS rate matching information, and use determining CRS Information carries out rate-matched；
Second network equipment is also used to, using the transfer resource parameter to user device transmissions downlink data it Before, it determines and transmits the corresponding CRS information of the downlink data in one group of CRS rate matching information, and use determining CRS Information carries out rate-matched.
In conjunction with any possible implementation of the 7th aspect or the 7th aspect, in the 4th kind of possible implementation In, transfer resource parameter described in the first network equipment includes: physical resource, the modulation volume that the transmission downlink data uses Hybrid automatic repeat-request process number number when code mode, data block size, the time for sending data block, each transmission data block At least one of.
Eighth aspect provides a kind of data transmission system, including first network equipment, second network equipment and third The network equipment；
The first network equipment is used for, and sends transfer resource parameter to second network equipment and/or the third network equipment； And
Second network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user Equipment transmits downlink data；And/or
The third network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user Equipment transmits the downlink data；And
The first network equipment is also used to,
To the configuration information of the notification of user equipment uplink control channel resource, the uplink control channel resource is matched Confidence ceases the resource allocation information for sending the corresponding response message of the downlink data to user equipment instruction, and
The response message is received, or, second network equipment or the third network equipment is notified to receive the response letter Breath.
In the first possible implementation of eighth aspect, if the first network equipment be also used to receive it is described Response message, and when the response message is negative response, the first network equipment is also used to, and Xiang Suoshu user equipment retransmits The downlink data；
Alternatively,
If the first network equipment is also used to that second network equipment is notified to receive the response message, and works as institute Stating response message is negative response, and second network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data；
Alternatively,
If the first network equipment is also used to that the third network equipment is notified to receive the response message, and works as institute Stating response message is negative response, and the third network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data.
In conjunction with the possible implementation of the first of eighth aspect or eighth aspect, in second of possible implementation In, the first network equipment is specifically used for that second network equipment or the third network equipment is notified to receive institute as follows State response message:
The first network equipment carries the institute of the response message to second network equipment or third network equipment notice State the configuration information of uplink control channel resource.
In conjunction with any possible implementation of eighth aspect or eighth aspect, in the third possible implementation In, the first network equipment is also used to, and second network equipment of Xiang Suoshu and the third network equipment notify one group of CRS rate Match information；
Second network equipment is also used to, using the first network equipment send the transfer resource parameter to Before family equipment transmits downlink data, using one group of CRS rate matching information, determine that the transmission downlink data is corresponding CRS information, and rate-matched is carried out using determining CRS information；
The third network equipment is also used to, using the first network equipment send the transfer resource parameter to Before family equipment transmits downlink data, using one group of CRS rate matching information, determine that the transmission downlink data is corresponding CRS information, and rate-matched is carried out using determining CRS information.
In conjunction with any possible implementation of eighth aspect or eighth aspect, in the 4th kind of possible implementation In, the transfer resource parameter information that the first network equipment is sent includes: the physics that the transmission downlink data uses Mixing when resource, modulation coding scheme, data block size, the time for sending data block and each transmission data block is automatic At least one of repeat request HARQ process number.
9th aspect, provides a kind of data transmission method, comprising:
Using transfer resource parameter to user device transmissions downlink data, second network equipment makes first network equipment With the transfer resource parameter to downlink data described in the user device transmissions, wherein what second network equipment used The transfer resource parameter is the first network equipment in advance to second network equipments configuration；And
The first network equipment receives the response message that the user equipment is sent, or, the first network equipment is logical Know that second network equipment receives response message and received described in the user equipment transmission as second network equipment Response message, wherein the response message is the user equipment according to indicated by the configuration information of Physical Uplink Control Channel Resource allocation information send, the configuration information of the Physical Uplink Control Channel is that the first network equipment is prenoticed To the user equipment.
In the first possible implementation of 9th aspect,
If the first network equipment receives the response message, and working as the response message is negative response, is also wrapped Include: the first network equipment retransmits the downlink data to the user equipment；
Alternatively,
If the first network equipment notifies second network equipment to receive the response message, and works as the response Information is negative response, further includes: second network equipment retransmits the downlink data to the user equipment.
In conjunction with the first possible implementation of the 9th aspect or the 9th aspect, in second of possible implementation In,
The first network equipment notifies second network equipment to receive response message, comprising:
The first network equipment carries the uplink control channel of the response message to second network equipment notice The configuration information of resource.
In conjunction with any possible implementation of the 9th aspect or the 9th aspect, in the third possible implementation In, further includes:
The first network equipment sends one group of public reference signal CRS rate-matched letter to second network equipment Breath；
The first network equipment, to before user device transmissions downlink data, is also wrapped using the transfer resource parameter It includes:
The first network equipment determines that transmit the downlink data in one group of CRS rate matching information corresponding CRS information, and rate-matched is carried out using determining CRS information；
Second network equipment, to before user device transmissions downlink data, is also wrapped using the transfer resource parameter It includes:
Second network equipment determines that transmit the downlink data in one group of CRS rate matching information corresponding CRS information, and rate-matched is carried out using determining CRS information.
In conjunction with any possible implementation of the 9th aspect or the 9th aspect, in the 4th kind of possible implementation In,
The transfer resource parameter includes: physical resource, the modulation coding scheme, data that the transmission downlink data uses At least one in hybrid automatic repeat-request process number number when block size, the time for sending data block, each transmission data block It is a.
In above scheme, transfer resource parameter is sent to second network equipment in advance by first network equipment, thus Without quickly interacting between multiple network equipments under the scene of non-ideal backhaul, also can be realized use the mode that cooperates for UE sends data, so that the reliability that data are sent is higher.
Tenth aspect, provides a kind of data transmission method, comprising:
Second network equipment uses transfer resource parameter to user device transmissions downlink data, and/or, the third network Equipment uses the transfer resource parameter to downlink data described in user device transmissions, wherein second network equipment and institute It is second network equipment and institute that state the transfer resource parameter that the third network equipment uses, which be the first network equipment, State third network equipments configuration；And
The first network equipment receives the response message that the user equipment is sent, or, the first network equipment is logical Know that second network equipment or the third network equipment receive response message and second network equipment by receiving notice Or the third network equipment receives the response message that the user equipment is sent, wherein the response message is the user What equipment resource allocation information according to indicated by the configuration information of Physical Uplink Control Channel was sent, the physical uplink control The configuration information of channel is that the first network equipment is prenoticed to the user equipment.
In the first possible implementation of the tenth aspect,
If the first network equipment receives the response message, and working as the response message is negative response, is also wrapped Include: the first network equipment retransmits the downlink data to the user equipment；
Alternatively,
If the first network equipment notifies second network equipment to receive the response message, and works as the response Information is negative response, further includes: second network equipment retransmits the downlink data to the user equipment；
Alternatively,
If the first network equipment notifies the third network equipment to receive the response message, and works as the response Information is negative response, further includes: the third network equipment retransmits the downlink data to the user equipment.
In conjunction with the first possible implementation of the tenth aspect or the tenth aspect, in second of possible implementation In, the first network equipment notifies second network equipment or the third network equipment to receive response message, comprising:
The first network equipment carries the institute of the response message to second network equipment or third network equipment notice State the configuration information of uplink control channel resource.
In conjunction with any possible implementation of the tenth aspect or the tenth aspect, in the third possible implementation In, further includes:
The first network equipment notifies one group of CRS speed to second network equipment and/or the third network equipment Rate match information；
Second network equipment uses the transfer resource parameter of first network equipment transmission to user equipment Before transmission downlink data, further includes: second network equipment uses one group of CRS rate matching information, determines transmission The corresponding CRS information of the downlink data, and rate-matched is carried out using determining CRS information；
The third network equipment uses the transfer resource parameter of first network equipment transmission to user equipment Before transmission downlink data, further includes: the third network equipment uses one group of CRS rate matching information, determines transmission The corresponding CRS information of the downlink data, and rate-matched is carried out using determining CRS information.
In conjunction with any possible implementation of the tenth aspect or the tenth aspect, in the 4th kind of possible implementation In, the transfer resource parameter information includes: physical resource, the modulation coding scheme, data that the transmission downlink data uses In hybrid automatic repeat-request HARQ procedure number when block size, the time for sending data block and each transmission data block At least one.
In above scheme, transmission money is sent to second network equipment and the third network equipment in advance by first network equipment Source parameter, to also can be realized and adopt being not necessarily to quickly interact between multiple network equipments under the scene of non-ideal backhaul It is that UE sends data with the mode of cooperation, so that the reliability that data are sent is higher.
Detailed description of the invention
Fig. 1 is a kind of optional application scenarios of the embodiment of the method for information configuration of the present invention and data receiver；
Fig. 2 is the flow diagram of one embodiment of information configuring methods of the present invention；
Fig. 2 a is the flow diagram of another embodiment of information configuring methods of the present invention；
Fig. 3 is the flow diagram of data receiver method embodiment of the present invention；
Fig. 4 is the flow diagram of one embodiment of data transmission method of the present invention；
Fig. 5 is the flow diagram of another embodiment of data transmission method of the present invention；
Fig. 6 is the signalling diagram of another embodiment of information configuring methods of the present invention；
Fig. 7 is the structural schematic diagram of one embodiment of inventive network equipment；
Fig. 8 is the structural schematic diagram of another embodiment of inventive network equipment；
Fig. 9 is the structural schematic diagram of one embodiment of user equipment of the present invention；
Figure 10 is the structural schematic diagram of another embodiment of user equipment of the present invention；
Figure 11 is the entity structure schematic diagram of one embodiment of inventive network equipment；
Figure 12 is the entity structure schematic diagram of another embodiment of inventive network equipment；
Figure 13 is the entity structure schematic diagram of one embodiment of user equipment of the present invention；
Figure 14 is the entity structure schematic diagram of another embodiment of user equipment of the present invention；
Figure 15 is the structural schematic diagram that data transmission system of the present invention unifies embodiment；
Figure 16 is the structural schematic diagram of another embodiment of data transmission system of the present invention.
Specific embodiment
Fig. 1 is a kind of optional application scenarios of the embodiment of the method for information configuration of the present invention and data receiver, such as Fig. 1 Shown, data are transmitted to UE jointly in base station 0 and base station 1, to enhance the signal receiving quality of UE；Also, it is lost when UE receives data When losing, it is responsible for retransmitting data to UE by one of them in base station 0 and base station 1.Certainly in specific implementation, the embodiment of the present invention Method is not limited to application scenarios shown in FIG. 1, and the quantity of base station is also not necessarily two.It as follows will be to the embodiment of the present invention Information configuration or the method for data receiver be illustrated.
Under the scene of non-ideal backhaul, due to when multiple LA Management Rooms, which carry out information exchange, has biggish Prolong, the data that the network equipment may be unable to learn in time other network equipments send situation, for example, can not know that other networks are set Whether the data that preparation is sent are properly received by UE, therefore the dynamic retransmission scheme not being available under ideal backhaul scene, from And can not be by being obtained between multiple network equipments in the cooperation of data transmission under the scene of non-ideal backhaul Unity gain.In addition, for the same network equipment, it can be by quick between multiple modules in present networks equipment Information exchange, come carry out data transmission aspect cooperation, to obtain unity gain.However, between the multiple modules of the realization The scheme of snap information interaction, it is relatively complicated.The method of the following embodiment of the present invention will illustrate how to pass through this method So that multiple transmission point realizes unity gain.
It should be noted that in the absence of conflict, can be combined with each other between the embodiment of the present invention.
Embodiment one
Fig. 2 is the flow diagram of one embodiment of information configuring methods of the present invention, as shown in Fig. 2, this method may include:
201, first network equipment is first group of resource collection of user device configuration Physical Downlink Control Channel set, is Second group of resource collection of the Physical Downlink Control Channel that the user device configuration retransmits, wherein under the physics of the re-transmission Row control channel is indicated by the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set Downlink data corresponding to re-transmission Physical Downlink Control Channel.
202, the first network equipment sends the information of first group of resource collection, Yi Jisuo to the user equipment State the information of second group of resource collection.
In above-described embodiment, by being that user equipment is respectively configured the of Physical Downlink Control Channel set by the network equipment Second group of resource collection of one group of resource collection and the physical control channel of re-transmission, wherein the physical control channel of the re-transmission For corresponding to downlink data indicated by the physical control channel at least one subset of the physical control channel set The physical control channel of re-transmission can enable UE from preconfigured first group of resource collection and second group of resource collection The Physical Downlink Control Channel that detection just passes the Physical Downlink Control Channel used and re-transmission uses, in this way to a HARQ mistake Journey UE can be using multiple preconfigured transfer resources (including the money in first group of resource collection and second group of resource collection Source) obtain the unity gains of multiple resources.Therefore, the embodiment of the present invention only needs to be semi-statically configured, and does not need snap information friendship Mutually, it still is able to realize unity gain.Secondly, the network equipment is that user equipment is pre-configured with the physical down for just passing and using respectively Second group of resource collection that first group of resource collection of control channel set and re-transmission use reduces and is obtaining unity gain When, UE carries out the complexity of blind Detecting to the Physical Downlink Control Channel of re-transmission.
It should be noted that the embodiment of the present invention is illustrated by taking first network equipment and second network equipment as an example, However, the embodiment of the present invention can be applied to the case where only one network equipment, such as only first network equipment the case where, this In the case of kind, the first module and the second module in the network equipment do corresponding processing, with reference to the description of the embodiment of the present invention. It is subsequent to repeat no more in order to save length.
In above-described embodiment, the first network equipment is responsible for user equipment (User Equipment, abbreviation UE the equipment for) configuring first group of resource collection of Physical Downlink Control Channel set, while being also likely to be under being responsible for transmitting to UE The equipment of row data, however, you can also not be responsible for transmitting downlink data to UE, base station 0 or base station 1 shown in e.g. Fig. 1, But the first network equipment is also possible to the other kinds of network equipment except base station in specific implementation.First group of resource set Close the resource of the corresponding Physical Downlink Control Channel set of downlink data comprising just passing.
Wherein, this step can be so that base station 0 sends the information of first group of resource collection as an example, for example, base station 0 passes through height Layer signaling notifies the information of first group of semi-static resource collection to UE, to realize first group of resource collection is preparatory It is allocated to UE.In certain specific embodiment, it is also possible to transmission of base station 1 etc., in this case, base station 1 is to be responsible for matching to UE The equipment for setting first group of resource collection of Physical Downlink Control Channel set.
The Physical Downlink Control Channel set includes the Physical Downlink Control Channel that the downlink data just passed may use.
The information of first group of resource collection can be physical down control in UE detection Physical Downlink Control Channel set The information of resource collection required for channel processed.For example, the information of first group of resource collection may include the downlink just passed The running time-frequency resource configuration information of the corresponding Physical Downlink Control Channel set of data, wherein in Physical Downlink Control Channel set Physical Downlink Control Channel can be Physical Downlink Control Channel (Physical Downlink Control Channel, abbreviation PDCCH) or enhancing Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel, letter Claim EPDCCH).One group of resource collection may include one or more resource collection, because of referred to herein as one group.One resource collection It may include the running time-frequency resource that one or more of Physical Downlink Control Channel use.For example, corresponding to the one of EPDCCH A resource collection may be comprising one or more Physical Resource Block or Physical Resource Block to (Physical Resource Block Pair, abbreviation PRB Pair), a Physical Resource Block is to including two Physical Resource Block in a subframe.One It may include the running time-frequency resource of the corresponding Physical Downlink Control Channel of the set used in the information of resource collection and/or disturb Code.The scrambling code of the corresponding Physical Downlink Control Channel of different resource collections may be different.UE can be according to first group of money The information of source set, detects the Physical Downlink Control Channel in Physical Downlink Control Channel set, to complete UE to downlink data The reception of corresponding control information.
The Physical Downlink Control Channel of re-transmission is the Physical Downlink Control Channel for re-transmission.For example, base station 0 can pass through High-level signaling notifies the information of second group of resource collection to UE, such UE can according to the information of second group of resource collection, The Physical Downlink Control Channel of retransmission detection in the resource in preconfigured second group of resource collection, such as detect all The candidate Physical Downlink Control Channel of the UE.In certain specific embodiment, it is also possible to transmission of base station 1 etc..
The information of second group of resource collection, which may include, corresponds to the physical down for retransmitting downlink data control The running time-frequency resource configuration information of channel, wherein Physical Downlink Control Channel can be PDCCH or EPDCCH.UE can be according to described The information of second group of resource collection, the Physical Downlink Control Channel of retransmission detection, such as detect the candidate physical down of the UE Control channel.In the particular embodiment, which may be embodied in first group of resource collection, i.e., and second group Resource collection can be the subset of first group of resource collection, be also possible to second group of resource collection and first group of resource collection phase It hands over, can also be and first group of mutually independent resource collection of resource collection, i.e. second group of resource collection and first group of resource set It closes non-intersecting.
Optionally, the information that in an embodiment can also include: second group of resource collection may include corresponding relationship, The corresponding relationship is that the Physical Downlink Control Channel at least one described subset is corresponding with second group of resource collection Relationship, alternatively, for the corresponding relationship of described at least one subset and second group of resource collection.In this way, UE is in receipt of subsequent To after at least one Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set, Ke Yigen Second group of resource collection is determined according to the corresponding relationship and at least one Physical Downlink Control Channel received.
Optionally, the information of corresponding relationship may include that the Physical Downlink Control Channel at least one described subset uses Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell-Radio Network Temporary Identify, referred to as: C-RNTI).It should Cell Radio Network Temporary Identifier/Identity, Cell-RNTI information has determined at least one described subset.I.e. in Physical Downlink Control Channel set described in tool C-RNTI Physical Downlink Control Channel composed by subset correspond to Secondary resource set.C-RNTI is to cover following in 16 bits The identification information of 16 bits in ring redundancy encoding (cyclic redundancy code, referred to as: CRC), in this way, UE can be used The C-RNTI detects Physical Downlink Control Channel in the resource in first resource set, it is assumed that detects category with the C-RNTI In the Physical Downlink Control Channel of oneself, under UE can be retransmitted according to corresponding relationship with the determination for receiving Physical Downlink Control Channel The Physical Downlink Control Channel of the corresponding re-transmission of row data is in second group of resource collection；Assuming that not detected with the C-RNTI To one's own Physical Downlink Control Channel, and Physical Downlink Control Channel is detected with others C-RNTI, then UE can In second group of resource collection for determining the corresponding control channel of retransmission downlink data not and be the Physical Downlink Control Channel retransmitted, It may be still in first group of resource collection of Physical Downlink Control Channel set.
Optionally, in another embodiment, notify the corresponding relationship of UE in addition under the physics at least one described subset The C-RNTI that row control channel uses can also be used down including the Physical Downlink Control Channel at least one described subset Row control information (Downlink Control information, abbreviation DCI) format, what Physical Downlink Control Channel used disturbs The other modes such as code determine corresponding relationship.At least one described subset, at least one described subset are determined by the method Correspond to Secondary resource set.
Optionally, the Physical Downlink Control Channel at least one described subset also indicates second group of resource collection. For example, the bit information in the DCI of pre-defined Physical Downlink Control Channel is used to indicate that the control channel retransmitted is to belong to the In in one resource collection or Secondary resource set namely DCI includes that resource collection indicates information.
Optionally, for the Physical Downlink Control Channel at least one described subset, the first network equipment may be used also With configuration information from the transmitting to the notification of user equipment Physical Uplink Control Channel and/or the Physical Uplink Control Channel Power configuration information, wherein the ascending physical signal down control channel is for carrying indicated by the Physical Downlink Control Channel The downlink data response message.The step can execute before or after the either step of the present embodiment.It is described extremely Few a subset, can be determined by specific C-RNTI.I.e. the network equipment can notify a specific C-RNTI, be used for It determines at least one subset, i.e., has the Physical Downlink Control Channel composition of the C-RNTI in Physical Downlink Control Channel set At least one described subset.
Wherein, the transmission power configuration information of the configuration information of the Physical Uplink Control Channel is for holding UE determination Carry the resource information for just passing the corresponding Physical Uplink Control Channel of downlink data, the transmission power of the Physical Uplink Control Channel Configuration information is used to making UE to determine the transmission power information of Physical Uplink Control Channel, the Physical Uplink Control Channel be for Carry response message.Such as the configuration information of Physical Uplink Control Channel may include physical uplink control channel (Physical Uplink Control Channel, referred to as: PUCCH) or have uplink control message (Uplink Control Information, referred to as: UCI) Physical Uplink Shared Channel (Physical Uplink Shared Channel, referred to as: PUSCH) resource allocation information.Assuming that base station 1, which receives, determines response message and responsible re-transmission.It base station 0 can also be by the PUCCH Or the PUSCH resource allocation information with UCI notifies base station 1, so that base station 1 receives response message accordingly.It is for example described again The transmission power configuration information of Physical Uplink Control Channel may include the PUCCH or the PUSCH power configuration letter with UCI Breath, so that UE sends response message accordingly.
Further, above-described embodiment can also include the following steps:
Further, above-described embodiment can also include the following steps:
Optionally, for the Physical Downlink Control Channel at least one described subset, the network equipment is to the use Family equipment also informs the transmission power configuration information of the Physical Uplink Control Channel.For example, base station 0 passes through high-level signaling for institute The transmission power configuration information for stating Physical Uplink Control Channel is notified to UE.In certain specific embodiment, it is also possible to the hair of base station 1 It send.Execution sequence the present embodiment of the step with no restrictions, such as can be same with the configuration information of Physical Uplink Control Channel When send, can also send before it or later.
Optionally, the configuration information of the Physical Uplink Control Channel may also include so which base station UE determines to Feedback response message receives the resource information, it is also possible to so that UE determines which base station is responsible for re-transmission.
Optionally, for the Physical Downlink Control Channel at least one described subset, the network equipment is set to user It is standby to notify one group of public reference signal (Common Reference Signal, referred to as: CRS) rate matching information, described one group At least one CRS rate matching information in CRS rate matching information contains at least two CRS pattern (pattern) information.
Wherein, one group of CRS rate matching information and the Physical Downlink Control Channel set have corresponding relationship, i.e., One group of CRS rate matching information corresponds to the downlink of received at least one Physical Downlink Control Channel instruction of UE Data receive so that UE completes downlink data.One group of CRS rate matching information may include one or more CRS rate Match information.One CRS rate matching information can indicate one or more CRS pattern-information.One downstream data channel A CRS rate matching information, can be used for the resource impact of data channel so that instruction the occupied money of CRS pattern Source unit is not used in the resource impact of data channel.When the corresponding one group of CRS rate-matched letter of the Physical Downlink Control Channel When breath has multiple CRS rate matching informations, it can indicate which CRS rate matching information is used in Physical Downlink Control Channel The mapping of physical down data channel resource list and quasi- co-located instruction in data channel, such as in Physical Downlink Control Channel It is indicated in PQI (PDSCH RE mapping and Quasi-co-location Indicator) bit field.Described at least one The downlink data for the Physical Downlink Control Channel instruction that height is concentrated uses in one group of CRS rate matching information extremely A few CRS rate matching information carries out rate-matched.
It should be noted that the CRS rate matching information includes for example for indicating the CRS information of CRS pattern；Than As at least one of which CRS rate matching information of one group of CRS rate matching information contains at least two CRS pattern-information.This Outside, it is assumed that as shown in Figure 1, data are transmitted to UE jointly in base station 0 and base station 1, then a CRS rate matching information for example may be used To include the CRS information corresponding with the two equipment of base station 1 of base station 0；In another example if UE receives data failure, it is assumed that need Data are retransmitted from base station 0 to UE, then a CRS rate matching information can also include the corresponding CRS information in base station 0.
In the information configuring methods of the embodiment of the present invention, by being that just biography is respectively configured in user equipment by first network equipment Second group of resource collection that first group of resource collection of the Physical Downlink Control Channel set used and re-transmission use, can make UE can detect the physical down control for just passing and using from preconfigured first group of resource collection and second group of resource collection The Physical Downlink Control Channel that channel and re-transmission use, in this way to a hybrid automatic repeat-request (Hybrid Automatic Repeat Request, referred to as: HARQ) process UE can utilize multiple preconfigured transfer resources (packet Include the resource in first group of resource collection and second group of resource collection) obtain the unity gains of multiple resources.Secondly, first network Equipment is that user equipment is pre-configured with first group of resource collection for just passing the Physical Downlink Control Channel set used and again respectively The second group of resource collection used is passed, when reducing acquisition unity gain, UE carries out the Physical Downlink Control Channel of re-transmission blind The complexity of detection.
Optionally, as shown in Figure 2 a, above-described embodiment one can also include the following steps:
203, the first network equipment sends the physical down control at least one described subset to the user equipment At least one Physical Downlink Control Channel of channel processed, the first control of at least one Physical Downlink Control Channel carrying letter Breath, the first control information includes downlink data dispatching information；And/or
Second network equipment sends the Physical Downlink Control Channel at least one described subset to the user equipment At least one Physical Downlink Control Channel, described at least one Physical Downlink Control Channel carrying the first control information, described the One control information includes downlink data dispatching information, wherein second network equipment is controlled by the first network equipment.
In this step, it can be sent out from least one of the first network equipment and second network equipment to user equipment Physical Downlink Control Channel is sent, to realize to user device transmissions downlink data.Match in advance in this way, user equipment can use The first group of resource collection set receives data from least one network equipment.
For example, in this step, base station 0 can send first group of resource to UE if above-mentioned steps are executed by base station 0 At least one Physical Downlink Control Channel in Physical Downlink Control Channel set at least one subset in set, UE The corresponding first control information of downlink data is received on the Physical Downlink Control Channel, under the first control information includes Row Data scheduling information.Alternatively, in this step, can be base station 1 if above-mentioned steps are executed by base station 1 and sent to UE At least one physical down in Physical Downlink Control Channel set at least one subset in first group of resource collection controls letter Road.Or if above-mentioned steps are performed simultaneously by base station 0 and base station 1, base station 0 and base station 1 can be in this step to UE Send at least one physical down control in Physical Downlink Control Channel set at least one subset in first group of resource collection Channel processed.When base station 0 and base station 1 are performed simultaneously, base station 0 and base station 1 is needed to use the physical down control letter coordinated in advance The identical transmission mode and the identical DCI of carrying in road are emitted.After this step, UE can be according to receiving extremely A few Physical Downlink Control Channel receives the downlink data just passed.
Specifically, downlink data dispatching information may include downlink data resource allocation information, modulation coding scheme information, And one or more of HARQ procedure number.In the particular embodiment, as described in 202, downlink data dispatching information may be used also To include that resource collection indicates information, UE can indicate information according to the resource collection to determine second group of resource collection.
In addition, if the first network equipment can root after first network equipment is notified of CRS rate matching information to UE According to the CRS rate matching information to the downlink data of the Physical Downlink Control Channel instruction at least one described subset Rate-matched is carried out using at least one CRS rate matching information in one group of CRS rate matching information, then to described User device transmissions downlink data；For example, first network equipment be at least two equipment of common transport data wherein it One, the information of first group of resource collection is issued from first network equipment to UE, and issue one group of CRS from first network equipment to UE Rate matching information；Second network equipment and first network equipment transmit downlink data to UE jointly.Second network is set Standby other network equipments referred to first network equipment common transport data, quantity the present embodiment of second network equipment With no restrictions.
For example, as shown in Figure 1, base station 0 and base station 1 be can be jointly to the scene of UE transmission data from base station 0 to UE It notifies one group of CRS rate matching information, includes that base station 0 and the corresponding CRS in base station 1 believe in this group of CRS rate matching information Breath；Also, base station 0 and base station 1 can transmit downlink data to UE according to one group of CRS rate matching information, and UE is according to connecing The one group of CRS rate matching information received receives downlink data.
By this step, may be implemented in the case where non-ideal backhaul, it can be using the side of cooperation for just passing Formula is that UE sends data, so that the reliability that data are sent is higher.
Optionally, above-described embodiment one can also include the following steps:
204, the first network equipment sends the physical down control at least one described subset to the user equipment After at least one Physical Downlink Control Channel of channel processed, further includes: if second network equipment receives the user The negative response information that equipment is sent, then second network equipment sends second group of resource collection to the user equipment On at least one re-transmission Physical Downlink Control Channel, it is described at least one retransmit Physical Downlink Control Channel carrying Second control information, wherein the second control information includes the Physical Downlink Control Channel of at least one re-transmission The scheduling information of corresponding downlink data；Or
Second network equipment sends the physical down at least one described subset to the user equipment and controls letter After at least one Physical Downlink Control Channel in road, further includes: if the first network equipment receives the user equipment The negative response information of transmission, then the first network equipment is sent on second group of resource collection to the user equipment The Physical Downlink Control Channel of at least one re-transmission, the Physical Downlink Control Channel of at least one re-transmission Carrying the second control information, wherein the second control information includes the physical down control of at least one re-transmission The scheduling information of the corresponding downlink data of channel.
In this step, UE can be sent in corresponding resource after receiving the configuration information of Physical Uplink Control Channel Response message.And first network equipment or second network equipment then receive response message in corresponding resource, so as to reality It is existing, if downlink data is sent by first network equipment, it can realize that (i.e. second network equipment connects for re-transmission with second network equipment Receive NACK), vice versa, alternatively, if downlink data is sent together by first network equipment and second network equipment, it can It is retransmitted with being realized by any network equipment for receiving NACK.Therefore, first network equipment or second network equipment being capable of bases Preparatory configuration carries out well data re-transmission, carries out data transmission the cooperation of aspect without quick information exchange.
It should be noted that first group of resource collection, second group of resource collection and physical uplink in the embodiment of the present invention The transmission power configuration information of control channel, the transmission power configuration information of Physical Uplink Control Channel, one group of CRS speed The configurations such as rate match information can change, and in case of changing, then reconfigure according to the method for the embodiment of the present invention.For example, If second group of resource collection changes, first network equipment is that the user equipment sends second group of resource after variation The information of set, first group of resource collection are similarly such.
Embodiment two
Fig. 3 is the flow diagram of data receiver method embodiment of the present invention, and this method can be user equipment execution, need It can be in conjunction with referring to one institute of embodiment it is noted that being the same as example 1 illustrating for partial content in the present embodiment It states, the present embodiment is only briefly described.As shown in figure 3, this method may include:
301, the information for first group of resource collection that user equipment is sent according to first network equipment receives at least one object Down control channel is managed, obtains the first control information carried at least one described Physical Downlink Control Channel, and according to institute It states the downlink data dispatching information for including in the first control information and receives downlink data, wherein first group of resource collection be First network equipment is the resource collection of the Physical Downlink Control Channel set of user device configuration, at least one described object in advance Reason down control channel is the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set.
In this step, scene as shown in connection with fig. 1, at least one received Physical Downlink Control Channel of user equipment, example The base station 1 as can be the transmission of base station 0 is sent or base station 0 and base station 1 are sent.The downlink data Scheduling information may include one in downlink data resource allocation information, modulation coding scheme information and HARQ procedure number Or it is multiple, downlink data is received accordingly for user equipment.
Further, user equipment line number in the case where being received according to the downlink data dispatching information for including in the first control information According to before, for the Physical Downlink Control Channel at least one subset, it is logical that user equipment also receives the first network equipment The one group of public reference signal CRS rate matching information known, at least one of described one group of CRS rate matching information include extremely Few two CRS drawing informations.In this way, user equipment can the user equipment use one group of CRS rate matching information In at least one CRS rate matching information, at least one described subset Physical Downlink Control Channel instruction described in Downlink data carries out rate-matched, then receives downlink data.One CRS rate matching information of one downstream data channel, It can be used for the resource impact of data channel, so that the occupied resource unit of CRS pattern of instruction is not used in data channel Resource impact.
302, corresponding to the information for second group of resource collection that the user equipment is sent in the first network equipment The Physical Downlink Control Channel of re-transmission corresponding to the downlink data is detected on second group of resource collection, wherein described second Group resource collection is the physical down control letter that the first network equipment is the preconfigured re-transmission of the user equipment The resource collection in road.
Wherein, it is that the user equipment is preconfigured described that second group of resource collection, which is the first network equipment, The resource collection of the Physical Downlink Control Channel of re-transmission.For example, first group of resource that user equipment receives in the present embodiment 301 The information of second group of resource collection in the information of set and this step can be that first network equipment is sent.Example Such as, scene as shown in connection with fig. 1 can be base station 0 or base station 1 for the information of first group of resource collection or second group The information of resource collection is sent to user equipment, naturally it is also possible to be other equipment.
Further, the user equipment detects the corresponding re-transmission of the downlink data on second group of resource collection Before Physical Downlink Control Channel, need to determine institute according at least one received Physical Downlink Control Channel of institute and corresponding relationship State the corresponding second group of resource collection of re-transmission of downlink data, wherein the corresponding relationship is included in second group of resource set It is the Physical Downlink Control Channel pass corresponding with second group of resource collection at least one described subset in the information of conjunction System, the corresponding relationship or pair for subset and second group of resource collection in the Physical Downlink Control Channel set It should be related to.User equipment can be determined according to corresponding relationship and at least one Physical Downlink Control Channel described in receiving The corresponding second group of resource collection of the re-transmission of the downlink data.
Optionally, the finger of the user equipment at least one Physical Downlink Control Channel according to receiving Show, determines the corresponding second group of resource collection of the re-transmission of the downlink data.
Further, for the Physical Downlink Control Channel at least one described subset, described in user equipment also receives The configuration information of the Physical Uplink Control Channel of first network equipment notice；It is connect in user equipment according to downlink data dispatching information After receiving downlink data, the user equipment determines the downlink data according to the configuration information of the Physical Uplink Control Channel The resource information of the corresponding Physical Uplink Control Channel, and sent according to the resource information of the Physical Uplink Control Channel The response message of the downlink data.
For example, the user equipment is according to second group of resource set if the response message is negative response information The information of conjunction receives the Physical Downlink Control Channel of at least one re-transmission of second group of resource collection, wherein described Physical Downlink Control Channel carrying the second control information of re-transmission；
The user equipment receives the downlink data of re-transmission according to the scheduling information for including in the second control information, Wherein, the scheduling information is the scheduling information of the corresponding downlink data of Physical Downlink Control Channel of the re-transmission.It is described heavy The downlink data of biography is downlink indicated by the physical control channel at least one subset of the physical control channel set Re-transmission corresponding to data.
Optionally, user equipment is in the response for sending downlink data according to the resource information of the Physical Uplink Control Channel Before information, for the Physical Downlink Control Channel at least one described subset, the user equipment receives first net The transmission power configuration information of the Physical Uplink Control Channel of network equipment notice.In this way, the user equipment is according to Transmission power configuration information determines the transmission power information of the Physical Uplink Control Channel, and is controlled according to the physical uplink The resource information of channel and the transmission power information send the response message of the downlink data.
It more specifically, may include: reference signal function in the above-mentioned transmission power configuration information that user equipment receives Rate；User equipment can specifically determine downlink path loss estimated value according to the reference signal power, be estimated according to the downlink path loss Evaluation determines the transmission power of Physical Uplink Control Channel, and according to the resource information and transmitting of the Physical Uplink Control Channel Power sends the response message of the downlink data.
In above-described embodiment, by being that user equipment is respectively configured the of Physical Downlink Control Channel set by the network equipment Second group of resource collection of one group of resource collection and the physical control channel of re-transmission, wherein the physical control channel of the re-transmission For corresponding to downlink data indicated by the physical control channel at least one subset of the physical control channel set The physical control channel of re-transmission can enable UE from preconfigured first group of resource collection and second group of resource collection The Physical Downlink Control Channel that detection just passes the Physical Downlink Control Channel used and re-transmission uses, in this way to a HARQ mistake Journey UE can be using multiple preconfigured transfer resources (including the money in first group of resource collection and second group of resource collection Source) obtain the unity gains of multiple resources.Therefore, the embodiment of the present invention only needs to be semi-statically configured, and does not need snap information friendship Mutually, it still is able to realize unity gain.Secondly, the network equipment is that user equipment is pre-configured with the physical down for just passing and using respectively Second group of resource collection that first group of resource collection of control channel set and re-transmission use reduces and is obtaining unity gain When, UE carries out the complexity of blind Detecting to the Physical Downlink Control Channel of re-transmission.
Embodiment three
Fig. 4 is the flow diagram of one embodiment of data transmission method of the present invention, and the present embodiment provides a kind of transmission of data Method is sent out in a manner of realizing that at least two network equipments are by cooperation under the scene of non-ideal backhaul to user equipment Data are sent, unity gain is obtained.It should be noted that the explanation of the term in the present embodiment is referred to phase in above-described embodiment With the explanation of term, this embodiment is not repeated.The present embodiment illustrates a kind of scene, by taking scene shown in FIG. 1 as an example, by base Stand 0 (being properly termed as first network equipment) and base station 1 (being properly termed as second network equipment) transmits downlink data, base to UE jointly It stands and 0 sends one group of CRS rate matching information to UE, include that base station 0 and base station 1 respectively correspond in this group of CRS rate matching information CRS information.
401, first network equipment is set using transfer resource parameter to user device transmissions downlink data and the second network It is standby to use the transfer resource parameter to downlink data described in user device transmissions, wherein what second network equipment used The transfer resource parameter is that the first network equipment is second network equipments configuration.
The transfer resource parameter in the present embodiment may include: the transmission downlink data use physical resource, In HARQ procedure number when modulation coding scheme, data block size, the time for sending data block and each transmission data block At least one.First network equipment and second network equipment can be according to the information for including in transfer resource parameter to user equipment Send downlink data.
Optionally, the downlink data may include the data and/or physical down control of Physical Downlink Shared Channel carrying The data of channel bearing processed.
Optionally, in this step, the first network equipment and second network equipment are using the transfer resource When parameter is to the user device transmissions downlink data, it can specifically execute as follows:
The first network equipment and second network equipment according to CRS rate matching information and transfer resource parameter to Downlink data described in the user device transmissions, wherein CRS rate matching information based on second network equipment is institute It is preconfigured to second network equipment to state first network equipment, specifically refers to the description in above-described embodiment.
Specifically, the system includes two network equipments for transmitting data to UE jointly by taking scene shown in FIG. 1 as an example, Such as, base station 0 and base station 1；The base station 0 can be main control base station, and base station 1 is serving BS, and main control base station is responsible for controlling described Two serving BSs.
Wherein, when at least two network equipment transmits data to UE jointly, at least two network equipment is at least Identical downlink data is transmitted to UE using identical transfer resource parameter information in one subframe, is transmitted jointly to UE with realizing Downlink data.Further, it is used at least one subframe in the first network equipment and second network equipment identical Transfer resource parameter information is to before the identical downlink data of user device transmissions, further includes: second network equipment receives The transfer resource parameter information of first network equipment notice.It is determined for example, the transfer resource parameter information can be base station 0 , may there was only base station 0 and base station 1 at this time, and base station 0 oneself is main control base station, it is by base station 0 that transfer resource parameter information is pre- First notify base station 1.
Certainly, it is also possible to only be transmitted from one in first network equipment and second network equipment to UE in the present embodiment Downlink data.
402, the first network equipment receives the response message that the user equipment is sent, or, the first network is set It is standby to notify second network equipment to receive response message and receive what the user equipment was sent by second network equipment The response message, the first network equipment receives the response message that the user equipment is sent, or, the first network is set It is standby to notify second network equipment to receive response message and receive what the user equipment was sent by second network equipment The response message, wherein the response message is configuration information institute of the user equipment according to Physical Uplink Control Channel What the resource allocation information of instruction was sent, the configuration information of the Physical Uplink Control Channel is that the first network equipment is preparatory It notifies to the user equipment.
The configuration information of the Physical Uplink Control Channel is used to send the downlink data to user equipment instruction The resource allocation information of the corresponding response message.
In above scheme, transfer resource parameter is sent to second network equipment in advance by first network equipment, thus Without quickly interacting between multiple network equipments under the scene of non-ideal backhaul, also can be realized use the mode that cooperates for UE sends data, so that the reliability that data are sent is higher.
By the interaction between first network equipment and second network equipment, realize the non-ideal backhaul the case where Under, the mode of cooperation can be used to send data for UE for just passing, so that the reliability that data are sent is higher.Further, It may include: the first network equipment to that the first network equipment, which notifies second network equipment to receive response message, Two network equipments notice carries the configuration information of the uplink control channel resource of the response message.For example, main control base station may be used also With to UE and the responsible base station such as base station 1 retransmitted, notice carries the configuration of the uplink control channel resource of response message respectively Information, such UE can send the corresponding response message of downlink data accordingly, and base station 1 is it is also known that receive downlink data pair by oneself The resource information for the response message answered.If the response message of UE feedback is NACK, base station 1 retransmits the downlink data to UE.
If 403, the first network equipment receives the response message, and when the response message is negative response letter Breath, the first network equipment retransmit the downlink data to the user equipment；Alternatively, if second network equipment connects The response message is received, and when the response message is negative response, second network equipment, the re-transmission of Xiang Suoshu user equipment The downlink data.
Specifically, if it may include: described that the first network equipment, which retransmits the downlink data to the user equipment, First network equipment receives the negative response information that the user equipment is sent, then the first network equipment is to the user Equipment sends the Physical Downlink Control Channel of at least one re-transmission, at least one described Physical Downlink Control Channel retransmitted carries Second control information, wherein the second control information includes that at least one described Physical Downlink Control Channel retransmitted corresponds to Downlink data scheduling information, and the downlink data is retransmitted to user equipment according to the scheduling information；Or
Similarly, if it may include: described that second network equipment, which retransmits the downlink data to the user equipment, Second network equipment receives the negative response information that the user equipment is sent, then second network equipment is to the user Equipment sends the Physical Downlink Control Channel of at least one re-transmission, at least one described Physical Downlink Control Channel retransmitted carries Second control information, wherein the second control information includes that at least one described Physical Downlink Control Channel retransmitted corresponds to Downlink data scheduling information.
If just pass only by first network equipment execute (i.e. step 401), and retransmit by second network equipment execute (i.e. The identical downlink data passed at the beginning of it is then allocated to second network equipment by step 403), first network equipment, wherein due to One network equipment knows the generation moment of re-transmission, and therefore, it is good only to guarantee to configure before retransmitting generation.
And if just pass only by second network equipment execute (i.e. step 401), and retransmit executed by first network equipment (i.e. step 403), since first network equipment is master network device, then first network equipment knows that second network equipment just passes Downlink data, therefore, in this case, first network equipment may be implemented to retransmit.
Optionally, the first network equipment and second network equipment are provided at least one subframe using identical transmission Source parameter information is to before the identical downlink data of user device transmissions, can also including: that second network equipment receives the One group of CRS rate matching information that one network equipment is sent, so that second network equipment is according to the CRS rate-matched Information determines and transmits the corresponding CRS information of the downlink data.
In above scheme, if just passing one in only first network equipment and second network equipment, pass through this The method of inventive embodiments is given the configuration information of notification of user equipment Physical Uplink Control Channel by first network equipment in advance, The transfer point of the transfer point and re-transmission that just pass can be different.
In above scheme, just passes the transfer point used and transfer point that re-transmission uses can be different, therefore, non-ideal In the case where backhaul, the mode of cooperation can be used to send data for UE for just passing, so that the reliability that data are sent It is higher.
Example IV
Fig. 5 is the flow diagram of another embodiment of data transmission method of the present invention, and the present embodiment provides a kind of data biographies Transmission method, to user equipment in a manner of realizing that at least two network equipments are by cooperation under the scene of non-ideal backhaul Data are sent, unity gain is obtained.It should be noted that the explanation of the term in the present embodiment is referred in above-described embodiment The explanation of same term, this embodiment is not repeated.In the scene that the present embodiment illustrates, the first net (is properly termed as by base station 0 Network equipment) it is used as master network device, base station 1 (being properly termed as second network equipment) and base station 2 (are properly termed as third network to set It is standby) downlink data is transmitted to UE jointly, base station 0 sends one group of CRS rate matching information, this group of CRS rate matching information to UE In include the corresponding CRS information in base station 1 and base station 2.It should be noted that the phase in order to save length, in the present embodiment It closes description and detail is referred to the description in above-described embodiment.
501, second network equipment is set using transfer resource parameter to user device transmissions downlink data and third network It is standby using the transfer resource parameter to downlink data described in user device transmissions, wherein second network equipment and described It is second network equipment and described that the transfer resource parameter that the third network equipment uses, which is the first network equipment, Third network equipments configuration.
Wherein, when second network equipment and the third network equipment transmit data to UE jointly, second net Network equipment and the third network equipment transmit phase to UE using identical transfer resource parameter information at least one subframe Same downlink data transmits downlink data to UE jointly to realize.Further, in second network equipment and the third The network equipment uses identical transfer resource parameter information to the identical lower line number of user device transmissions at least one subframe According to before, further includes: second network equipment and the third network equipment receive the transmission money that first network equipment notifies Source parameter information.For example, transfer resource parameter information is prenoticed base station 1 and base by base station 0 by the transfer resource parameter information Stand 2.
Certainly, it is also possible in the present embodiment only by one in second network equipment and the third network equipment Downlink data is transmitted to UE.
502, the first network equipment receives the response message that the user equipment is sent, or, the first network is set It is standby that second network equipment or the third network equipment is notified to receive response message and second network by receiving notice Equipment or the third network equipment receive the response message that the user equipment is sent, wherein the response message is described What user equipment resource allocation information according to indicated by the configuration information of Physical Uplink Control Channel was sent, the physical uplink The configuration information of control channel is that the first network equipment is prenoticed to the user equipment.
Wherein, the configuration information of the Physical Uplink Control Channel is used to send the downlink to user equipment instruction The resource allocation information of the corresponding response message of data.
In above scheme, by the interaction between the network equipment, realize in the case where non-ideal backhaul, for Just passing can use the mode of cooperation to send data for UE, so that the reliability that data are sent is higher.Moreover, real through the invention The method for applying example is given the configuration information of notification of user equipment Physical Uplink Control Channel by first network equipment in advance, so that just The transfer point of biography and the transfer point of re-transmission can be different.
Further, the first network equipment notifies second network equipment or the third network equipment to receive response letter Breath may include: that the first network equipment notifies to carry the response message to second network equipment or the third network equipment The configuration information of uplink control channel resource.For example, main control base station can also to UE and be responsible for retransmit base station such as base station 1, The configuration information of the uplink control channel resource of notice carrying response message, such UE can send downlink data pair accordingly respectively The response message answered, base station 1 is it is also known that received the resource information of the corresponding response message of downlink data by oneself.If UE is fed back Response message be NACK, base station 1 retransmits the downlink data to UE.
If 503, the first network equipment receives the response message, and when the response message is negative response letter Breath, the first network equipment retransmit the downlink data to the user equipment；Alternatively, if second network equipment connects The response message is received, and when the response message is negative response, from second network equipment to the user equipment weight The downlink data is passed, it is similar, if the third network equipment receives the response message, and when the response message is Negative response retransmits the downlink data from the third network equipment to the user equipment.
In above scheme, transmission money is sent to second network equipment and the third network equipment in advance by first network equipment Source parameter, to also can be realized and adopt being not necessarily to quickly interact between multiple network equipments under the scene of non-ideal backhaul It is that UE sends data with the mode of cooperation, so that the reliability that data are sent is higher.
Specifically, if it may include: described that the first network equipment, which retransmits the downlink data to the user equipment, First network equipment receives the negative response information that the user equipment is sent, then the first network equipment is to the user Equipment sends the Physical Downlink Control Channel of at least one re-transmission, at least one described Physical Downlink Control Channel retransmitted carries Second control information, wherein the second control information includes that at least one described Physical Downlink Control Channel retransmitted corresponds to Downlink data scheduling information, and the downlink data is retransmitted to user equipment according to the scheduling information；Or
Similarly, if it may include: described that second network equipment, which retransmits the downlink data to the user equipment, Second network equipment receives the negative response information that the user equipment is sent, then second network equipment is to the user Equipment sends the Physical Downlink Control Channel of at least one re-transmission, at least one described Physical Downlink Control Channel retransmitted carries Second control information, wherein the second control information includes that at least one described Physical Downlink Control Channel retransmitted corresponds to Downlink data scheduling information.The third network equipment is herewith similar, and details are not described herein again.
If just pass only by second network equipment execute (i.e. step 501), and retransmit by the third network equipment execute (i.e. Step 503), since first network equipment is master network device, first network equipment knows that second network equipment just passes Downlink data, and by first network equipment then by second network equipment just pass downlink data be allocated to the third network equipment with It realizes and re-transmission is executed by the third network equipment, wherein since first network equipment knows the generation moment of re-transmission, only need It is good to guarantee to configure before retransmitting generation.
And if just pass only by the third network equipment execute (i.e. step 501), and retransmit executed by first network equipment (i.e. step 503), since first network equipment is master network device, then first network equipment knows that the third network equipment just passes Downlink data, therefore, in this case, first network equipment may be implemented to retransmit.
Optionally, second network equipment and the third network equipment are provided at least one subframe using identical transmission Source parameter information can also include: second network equipment and/or to before the identical downlink data of user device transmissions Three network equipments receive first network equipment send one group of CRS rate matching information so that second network equipment and The third network equipment determines according to the CRS rate matching information and transmits the corresponding CRS information of the downlink data.
Embodiment five
The embodiment of the present invention is understood in order to clearer, present embodiments provides the implementation of a Signalling exchange, but It is not used to limit above-described embodiment.Fig. 6 is the signalling diagram of another embodiment of information configuring methods of the present invention, which shows The process of data is transmitted between a kind of optional base station of example and UE, and is including UE, base by taking scene shown in FIG. 1 as an example It stands 0 and base station 1；This method comprises:
601, determining transfer resource parameter information is notified base station 1 by base station 0；
Wherein, the present embodiment assumes that only base station 0 and the base station of base station 1 two, and base station 0 is master control base therein It stands, so transfer resource parameter information is determined by base station 0, physical resource, the tune used for example including the transmission downlink data Coding mode processed, data block size, the time for sending data block, HARQ procedure (HARQ when sending data block every time Process) number, the virtual subdistrict of the scrambler sequence for generating data channel identifies (virtual cell-ID), SPS-C- The parameters such as RNTI (semi-persistent-scheduling (semi-continuous scheduling) C-RNTI), and these information are notified to base Stand 1, which is effectively equivalent to the parameter negotiation for cooperative transmission between two base stations.Wherein, base station 0 sets for user It is standby to be configured with SPS scheduling, so the SPS that base station has been user configuration dispatches dedicated SPS-C-RNTI.Base station 0 is SPS-C- RNTI is notified to base station 1, so that base station 1 and base station 0 can be used identical SPS-C-RNTI and carry out the hair for just passing control channel It penetrates.
602, base station 0 is the physical down of first group of resource collection and re-transmission that UE configures Physical Downlink Control Channel set Second group of resource collection of control channel, and send to UE the information and second group of resource set of first group of resource collection The information of conjunction；
Wherein, this step is to configure first group of resource collection of Physical Downlink Control Channel set with base station 0 and retransmit Second group of resource collection of Physical Downlink Control Channel, and send the information and second group of money of first group of resource collection For the information of source set, for example, base station 0 passes through high-level signaling for the information of semi-static first group of resource collection and institute The information for stating second group of resource collection is sent to UE.In certain specific embodiment, it is also possible to transmission of base station 1 etc..The step Execution sequence the present embodiment with no restrictions, such as can also be sent before 601.
Wherein, indicated by the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set Downlink data, the as downlink data of step 603.The Physical Downlink Control Channel of the re-transmission is physical down control The physics of re-transmission corresponding to downlink data indicated by Physical Downlink Control Channel at least one subset of channel set Down control channel, the as corresponding Physical Downlink Control Channel of re-transmission data of step 607.
Wherein, the information of first group of resource collection can be used for UE to detect the corresponding physical down control of downlink data Physical Downlink Control Channel in first group of resource collection of channel set processed, the information of second group of resource collection can be used for UE The physical down control in second group of resource collection to detect the Physical Downlink Control Channel of the corresponding re-transmission of the downlink data Channel processed.
The further method for determining Secondary resource set, base station 0 are the Physical Downlink Control Channel that UE configuration retransmits After second group of resource collection, further includes: base station 0 notifies corresponding relationship to UE, wherein the corresponding relationship is described at least one The corresponding relationship of Physical Downlink Control Channel and second group of resource collection that height is concentrated.UE can be according to the corresponding relationship With at least one in the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set received It is a, determine second group of resource collection.
Optionally, if not considering the complexity of the blind Detecting downlink physical down control channel of reduction user equipment, base Step 602 can not be executed by standing.User equipment assume that will in the resource collection of all Physical Downlink Control Channel The first biography of the HARQ procedure of blind Detecting user equipment and re-transmission.
It should be noted that step 601 and 602 is the step of base station 0 is pre-configured with, it is only intended as a use herein In the example for illustrating the embodiment of the present invention, however downlink data transmission is not carried out every time and is required to execute step 601 and 602.
603, base station 0 and base station 1 carry out downlink data just biography to UE jointly；
Wherein, base station 0 and base station 1 according to the transfer resource parameter information determined in 601 to UE transmission it is identical under Row data realize common transport.
Further, when transmitting the downlink data, base station 0 sends the first control information, first control to UE Information is at least one physical down control letter being carried at least one subset of the Physical Downlink Control Channel set It include downlink data dispatching information on road.In the present embodiment, the first control information can also include: resource collection instruction letter Breath, this resource collection indicate that the corresponding relationship of information and Secondary resource set is predefined or network equipments configuration.UE Information can be indicated by the resource collection, determine Secondary resource set.
In addition, can inform that this downlink data transmission is corresponding from base station 0 to UE before transmitting the downlink data CRS rate matching information includes the corresponding CRS pattern-information in base station 0 and base station 1 in the CRS rate matching information.
604, UE receives the downlink data just passed；
Further, UE detects Physical Downlink Control Channel according to the information of preconfigured first group of resource collection, and According to the first control information carried on the Physical Downlink Control Channel detected, downlink data is received.
605, base station 0 sends the configuration information and/or the Physical Uplink Control Channel of Physical Uplink Control Channel to UE Transmission power configuration information；
For the Physical Downlink Control Channel at least one described subset, the network equipment is logical to the user equipment Know the configuration information of Physical Uplink Control Channel and/or the transmission power configuration information of the Physical Uplink Control Channel, wherein The Physical Uplink Control Channel is for carrying response message
Wherein, this step is the configuration information that Physical Uplink Control Channel is sent with base station 0 and/or the physical uplink control For the transmission power configuration information of channel processed, for example, base station 0 passes through high-level signaling for semi-static Physical Uplink Control Channel Configuration information and/or the transmission power configuration information of the Physical Uplink Control Channel notify to UE.The execution of the step is suitable Sequence the present embodiment with no restrictions, such as can also be sent before 603 or earlier the step of before.
606, UE feeds back response message to base station 1；
Wherein, the transmitting of the configuration information of the Physical Uplink Control Channel and/or the Physical Uplink Control Channel Power configuration information is mainly so that UE determines that carrying just passes the resource information of the corresponding Physical Uplink Control Channel of downlink data And/or the transmission power information of the Physical Uplink Control Channel of carrying response message, it is also possible to including determining UE to which Base station feedback receives the resource information, it is also possible to so that UE determines which base station is responsible for re-transmission；Such as present embodiment assumes that It is the response message (ACK or NACK) of UE feedback to be received by base station 1, and data are responsible for by base station 1 and are retransmitted.Main control base station, That is base station 0 is also notified that base station 1 is responsible for receiving response message and responsible re-transmission by it.Specifically, base station 0 can also be prior The configuration information of the Physical Uplink Control Channel is sent to base station 1, completes to retransmit so that base station 1 be made to know by it.
Such as the configuration information of Physical Uplink Control Channel may include PUCCH or the PUSCH resource distribution letter with UCI Breath.It receives and determines response message and be responsible for retransmitting base station being base station 1.It base station 0 can also be by the PUCCH or with UCI's PUSCH resource allocation information notifies base station 1, so that base station 1 receives response message accordingly.For example described physical uplink control again The transmission power configuration information of channel may include the PUCCH or the PUSCH power configuration information with UCI, so that UE evidence This sends response message.
For example, the response message of UE feedback is ACK if the data packet just passed receives correctly；If the data just passed Packet is not properly received, then the response message of UE feedback is NACK.
607, base station 1 sends to UE and retransmits data；
Wherein, before base station 1 retransmits data, the CRS information that UE is responsible for the base station retransmitted has been prenoticed；This is heavy The advice method for passing the CRS information of the base station 1 of data may refer to the embodiment of front, repeat no more.
Specifically, base station 1 to UE send retransmit data, comprising: if base station 1 receive UE transmission NACK, base station 1 to The user equipment sends the Physical Downlink Control Channel of at least one re-transmission of second group of resource collection, it is described extremely Physical Downlink Control Channel carrying the second control information of a few re-transmission, wherein the second control information include it is described extremely The scheduling information of the corresponding downlink data of Physical Downlink Control Channel of a few re-transmission, and sent according to the scheduling information to UE Retransmit data.
608, UE, which is received, retransmits data.
In the embodiment of the present invention, by being that the physical down for just passing and using is respectively configured in user equipment by first network equipment Second group of resource collection that first group of resource collection of control channel set and re-transmission use, can enable UE to match from advance It sets to detect just to pass the Physical Downlink Control Channel used and retransmit in first group of resource collection and second group of resource collection and use Physical Downlink Control Channel, in this way to a HARQ procedure UE can using multiple preconfigured transfer resources (including Resource in first group of resource collection and second group of resource collection) obtain the unity gains of multiple resources.Secondly, first network is set It is standby to be pre-configured with first group of resource collection for just passing the Physical Downlink Control Channel set used and re-transmission respectively for user equipment The second group of resource collection used, when reducing acquisition unity gain, UE carries out blind examination to the Physical Downlink Control Channel of re-transmission The complexity of survey.Meanwhile in the method for the present embodiment, at least two network equipments are by using same transmission resource parameter information Common transport is realized to UE transmission downlink data, is conducive to the signal receiving performance and reliability that enhance UE.
Embodiment six
Fig. 7 is the structural schematic diagram of one embodiment of inventive network equipment, and the equipment of the present embodiment can execute the present invention The information configuring methods of any embodiment；As shown in fig. 7, the equipment may include: configuration unit 71 and transmission unit 72；Its In,
Configuration unit 71, for first group of resource collection for user device configuration Physical Downlink Control Channel set, with And second group of resource collection of the Physical Downlink Control Channel retransmitted for the user device configuration, wherein the object of the re-transmission Managing down control channel is the Physical Downlink Control Channel institute at least one subset of the Physical Downlink Control Channel set The Physical Downlink Control Channel of re-transmission corresponding to the downlink data of instruction；
Transmission unit 72, for sending first group of resource set that the configuration unit 71 configures to the user equipment The information of the information of conjunction and second group of resource collection.
Further, the transmission unit 72 is also used to sending second group of resource collection to the user equipment Information after, Xiang Suoshu user equipment sends at least one physics of the Physical Downlink Control Channel at least one described subset Down control channel, wherein the first control of at least one Physical Downlink Control Channel carrying information, the first control letter Breath includes downlink data dispatching information.
The information for second group of resource collection that the transmission unit 72 is sent to the user equipment includes corresponding close System, the corresponding relationship are pair of the Physical Downlink Control Channel and second group of resource collection at least one described subset It should be related to, alternatively, for the corresponding relationship of described at least one subset and second group of resource collection.Alternatively, the transmission is single Physical Downlink Control Channel of the member 72 at least one subset described in user equipment transmission also indicates second group of resource Set.
Further, the transmission unit 72, is also used to: controlling letter for the physical down at least one described subset Road, the configuration information of Xiang Suoshu notification of user equipment Physical Uplink Control Channel and/or the hair of the Physical Uplink Control Channel Penetrate power configuration information, wherein the Physical Uplink Control Channel is for carrying indicated by the Physical Downlink Control Channel The response message of the downlink data.
Fig. 8 is the structural schematic diagram of another embodiment of inventive network equipment, which is first network equipment, such as Shown in Fig. 8, on the basis of structure shown in Fig. 7, further, the network equipment of the present embodiment can also include: receiving unit 73；The receiving unit 73, the negative response information sent for receiving the user equipment；The transmission unit 72, is also used to After the receiving unit 73 receives the negative response information, Xiang Suoshu user equipment sends second group of resource set The Physical Downlink Control Channel of at least one closed re-transmission, wherein the physical down of at least one re-transmission Control channel carrying the second control information, the second control information include the physical down control of at least one re-transmission The scheduling information of the corresponding downlink data of channel processed, wherein the physical down corresponding at least one re-transmission controls The downlink data of channel is to be sent from second network equipment to the user equipment, and second network equipment is by institute State the control of first network equipment.
Further, the transmission unit 72, is also used to: controlling letter for the physical down at least one described subset Road, one group of public reference signal CRS rate matching information of Xiang Suoshu notification of user equipment, wherein one group of CRS rate-matched At least one CRS rate matching information in information contains at least two CRS drawing information, the object at least one described subset The downlink data for managing down control channel instruction uses at least one CRS speed in one group of CRS rate matching information Rate match information carries out rate-matched.
Further, the information for first group of resource collection that the transmission unit 72 is sent, comprising: under the physics The running time-frequency resource configuration information of row control channel set, and/or, second group of resource collection that the transmission unit 72 is sent Information, comprising: the running time-frequency resource configuration information of the Physical Downlink Control Channel of the re-transmission.
Since the equipment of the present embodiment can execute the information configuring methods of any embodiment of that present invention, institute's energy The corresponding effect obtained is referred to the description in above-described embodiment, and details are not described herein again.
Embodiment seven
Fig. 9 is the structural schematic diagram of one embodiment of user equipment of the present invention, and the equipment of the present embodiment can execute the present invention The data receiver method of any embodiment；As shown in figure 9, the equipment may include: storage unit 90, acquiring unit 91 and processing Unit 92；Wherein,
Storage unit 90, the Physical Downlink Control Channel collection sent in advance to user equipment for storing first network equipment The information of the first group of resource collection closed, and the re-transmission that the storage first network equipment is sent to the user equipment in advance Physical Downlink Control Channel second group of resource collection information；
Acquiring unit 91, the information of first group of resource collection for being stored according to the storage unit 90 receive to A few Physical Downlink Control Channel obtains the first control information carried at least one described Physical Downlink Control Channel, And downlink data is received according to the downlink data dispatching information for including in the first control information；Wherein, it is described at least one Physical Downlink Control Channel is the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set；
Processing unit 92, second corresponding to the information of second group of resource collection for being stored in the storage unit 90 On group resource collection, the Physical Downlink Control Channel of the re-transmission corresponding to the downlink data is detected.
Further, the information for second group of resource collection that the storage unit 90 stores includes: corresponding relationship, institute Stating corresponding relationship is the Physical Downlink Control Channel pass corresponding with second group of resource collection at least one described subset System, the corresponding relationship or pair for subset and second group of resource collection in the Physical Downlink Control Channel set It should be related to；
The processing unit 92 is also used to detect the corresponding re-transmission of the downlink data on second group of resource collection Before Physical Downlink Control Channel, according to the corresponding relationship of storage unit storage and the institute that receives of the acquiring unit At least one Physical Downlink Control Channel is stated, determines the corresponding second group of resource collection of the re-transmission of the downlink data.
Further, the processing unit 92, be also used to according to the acquiring unit 91 receive described at least one Instruction in Physical Downlink Control Channel determines the corresponding second group of resource collection of the re-transmission of the downlink data.
Figure 10 is the structural schematic diagram of another embodiment of user equipment of the present invention, as shown in Figure 10, structure shown in Fig. 9 On the basis of, the acquiring unit 91 is also used to: for the Physical Downlink Control Channel at least one described subset, receiving institute State the configuration information of the Physical Uplink Control Channel of first network equipment notice；The processing unit 92 is also used to obtain described After taking unit 91 to receive the downlink data according to the downlink data dispatching information for including in the first control information, The configuration information of the Physical Uplink Control Channel obtained according to the acquiring unit 91 determines that the downlink data is corresponding The resource information of the Physical Uplink Control Channel；Further include: transmission unit 93, for what is determined according to the processing unit 92 The resource information of the Physical Uplink Control Channel sends the response message of the downlink data.
Further, the acquiring unit 91, is also used to: if the response message that the transmission unit 93 is sent is no Determine response message, then according to the information of second group of resource collection, receives at least one institute of second group of resource collection State the Physical Downlink Control Channel of re-transmission, wherein Physical Downlink Control Channel carrying the second control information of the re-transmission；With And according to the scheduling information for including in the second control information, receive the downlink data of re-transmission, wherein the scheduling information For the scheduling information of the corresponding downlink data of Physical Downlink Control Channel of the re-transmission.
Further, the acquiring unit 91, is also used to: controlling letter for the physical down at least one described subset Road receives the transmission power configuration information of the Physical Uplink Control Channel of the first network equipment notice.The transmission Unit 93 is specifically used for the resource information of the Physical Uplink Control Channel determined as follows according to the processing unit It sends the response message of the downlink data: institute is determined according to the transmission power configuration information that the acquiring unit 91 obtains The transmission power information of Physical Uplink Control Channel is stated, and according to the resource information of the Physical Uplink Control Channel and the hair Penetrate the response message that power information sends the downlink data.
Further, the acquiring unit 91, is also used to: controlling letter for the physical down at least one described subset Road receives one group of public reference signal CRS rate matching information of the first network equipment notice, one group of CRS rate At least one of match information contains at least two CRS drawing information；
The acquiring unit 91 is also used to, and before receiving the downlink data, uses one group of CRS rate matching information In at least one CRS rate matching information, at least one described subset Physical Downlink Control Channel instruction described in Downlink data carries out rate-matched.
It further, include: reference signal power in the received transmission power configuration information of the acquiring unit 91； The transmission unit 93 is specifically used for the transmission power configuration information obtained as follows according to the acquiring unit 91 Determine the transmission power information of the Physical Uplink Control Channel, and according to the resource information of the Physical Uplink Control Channel and The transmission power information sends the response message of the downlink data: determining that downlink path loss is estimated according to the reference signal power Evaluation determines the transmission power of the Physical Uplink Control Channel according to the downlink path loss estimated value, and according to the object The resource information and the transmission power of managing uplink control channel send the response message of the downlink data.
Since the equipment of the present embodiment can execute the message receiving method of any embodiment of that present invention, institute's energy The corresponding effect obtained is referred to the description in above-described embodiment, and details are not described herein again.
Embodiment eight
Figure 11 is the entity structure schematic diagram of one embodiment of inventive network equipment, for realizing such as embodiment of the present invention institute The information configuring methods stated, working principle may refer to preceding method embodiment.As shown in figure 11, which can wrap It includes: processor 1101 and transmitter 1102；Wherein,
Processor 1101, for first group of resource collection for user device configuration Physical Downlink Control Channel set, with And second group of resource collection of the Physical Downlink Control Channel retransmitted for the user device configuration, wherein the object of the re-transmission Managing down control channel is the Physical Downlink Control Channel institute at least one subset of the Physical Downlink Control Channel set The Physical Downlink Control Channel of re-transmission corresponding to the downlink data of instruction；
Transmitter 1102, for sending first group of resource set that the processor 1101 configures to the user equipment The information of the information of conjunction and second group of resource collection.
Further, the transmitter 1102 is also used to sending second group of resource collection to the user equipment Information after, Xiang Suoshu user equipment sends at least one physics of the Physical Downlink Control Channel at least one described subset Down control channel, wherein the first control of at least one Physical Downlink Control Channel carrying information, the first control letter Breath includes downlink data dispatching information.
Further, the information for second group of resource collection that the transmitter is sent includes corresponding relationship, described right Should be related at least one described subset Physical Downlink Control Channel and second group of resource collection corresponding relationship, or Person, for the corresponding relationship of described at least one subset and second group of resource collection.Alternatively, the transmitter is to user equipment The Physical Downlink Control Channel at least one described subset sent also indicates second group of resource collection.
Further, the transmitter 1102, is also used to: controlling letter for the physical down at least one described subset Road, the configuration information of Xiang Suoshu notification of user equipment Physical Uplink Control Channel and/or the hair of the Physical Uplink Control Channel Penetrate power configuration information, wherein the Physical Uplink Control Channel is for carrying response message.
Since the equipment of the present embodiment can execute the information configuring methods of any embodiment of that present invention, institute's energy The corresponding effect obtained is referred to the description in above-described embodiment, and details are not described herein again.
Figure 12 is the entity structure schematic diagram of another embodiment of inventive network equipment, as shown in figure 12, the network equipment It can also include: receiver 1103, the negative response information sent for receiving the user equipment；The transmitter, is also used In after the receiver 1103 receives the negative response information, Xiang Suoshu user equipment sends second group of resource The Physical Downlink Control Channel of at least one re-transmission of set, wherein the physical down of at least one re-transmission Control channel carrying the second control information, the second control information include the physical down control of at least one re-transmission The scheduling information of the corresponding downlink data of channel processed, wherein the physical down corresponding at least one re-transmission controls The downlink data of channel is to be sent from second network equipment to the user equipment, and second network equipment is by institute State the control of first network equipment.
Further, the transmitter 1102, is also used to: controlling letter for the physical down at least one described subset Road, one group of public reference signal CRS rate matching information of Xiang Suoshu notification of user equipment, wherein one group of CRS rate-matched At least one CRS rate matching information in information contains at least two CRS drawing information, the object at least one described subset The downlink data for managing down control channel instruction uses at least one CRS speed in one group of CRS rate matching information Rate match information carries out rate-matched.
Optionally, the information for first group of resource collection that the transmitter 1102 is sent, comprising: the physical down The running time-frequency resource configuration information of control channel set, and/or, second group of resource collection that the transmitter 1102 is sent Information, comprising: the running time-frequency resource configuration information of the Physical Downlink Control Channel of the re-transmission.
Since the equipment of the present embodiment can execute the information configuring methods of any embodiment of that present invention, institute's energy The corresponding effect obtained is referred to the description in above-described embodiment, and details are not described herein again.
Embodiment nine
Figure 13 is the entity structure schematic diagram of one embodiment of user equipment of the present invention, for realizing such as embodiment of the present invention institute The data receiver method stated, working principle may refer to preceding method embodiment.As shown in figure 13, which can wrap It includes: memory 1300, receiver 1301 and processor 1302.
Memory 1300, the Physical Downlink Control Channel collection sent in advance to user equipment for storing first network equipment The information of the first group of resource collection closed, and the re-transmission that the storage first network equipment is sent to the user equipment in advance Physical Downlink Control Channel second group of resource collection information；
Receiver 1301, the information of first group of resource collection for being stored according to the memory 1300 receive to A few Physical Downlink Control Channel obtains the first control information carried at least one described Physical Downlink Control Channel, And downlink data is received according to the downlink data dispatching information for including in the first control information；Wherein, it is described at least one Physical Downlink Control Channel is the Physical Downlink Control Channel at least one subset of the Physical Downlink Control Channel set；
Processor 1302, second corresponding to the information of second group of resource collection for being stored in the memory 1300 On group resource collection, the Physical Downlink Control Channel of the re-transmission corresponding to the downlink data is detected.
Further, the receiver 1301 is also used to detect pair of the downlink data on second group of resource collection Before the Physical Downlink Control Channel for the re-transmission answered, according to the corresponding relationship of the memory 1300 storage and described connect At least one described Physical Downlink Control Channel that device 1301 receives is received, determines that the re-transmission of the downlink data is corresponding described Second group of resource collection
Further, the processor 1302, be also used to according to the receiver 1301 receive described at least one Instruction in Physical Downlink Control Channel determines the corresponding second group of resource collection of the re-transmission of the downlink data.
Figure 14 is the entity structure schematic diagram of another embodiment of user equipment of the present invention, as shown in figure 14, the receiver 1301, it is also used to: for the Physical Downlink Control Channel at least one described subset, receiving the first network equipment notice Physical Uplink Control Channel configuration information；The processor 1302 is also used in the receiver 1301 according to described After the downlink data dispatching information for including in one control information receives the downlink data, according to the receiver 1301 The configuration information of the Physical Uplink Control Channel obtained determines the corresponding physical uplink control letter of the downlink data The resource information in road；The user equipment further include: transmitter 1303, the physics for being determined according to the processor 1302 The resource information of uplink control channel sends the response message of the downlink data.
Further, the receiver 1301, is also used to: if the response message that the transmitter 1303 is sent is no Determine response message, then according to the information of second group of resource collection, receives at least one institute of second group of resource collection State the Physical Downlink Control Channel of re-transmission, wherein Physical Downlink Control Channel carrying the second control information of the re-transmission；With And according to the scheduling information for including in the second control information, receive the downlink data of re-transmission, wherein the scheduling information For the scheduling information of the corresponding downlink data of Physical Downlink Control Channel of the re-transmission.
Further, the receiver 1301, is also used to: controlling letter for the physical down at least one described subset Road receives the transmission power configuration information of the Physical Uplink Control Channel of the first network equipment notice；The transmission The resource that device 1303 is specifically used for the Physical Uplink Control Channel determined as follows according to the processor 1302 is believed Breath sends the response message of the downlink data: being determined according to the received transmission power configuration information of the receiver 1301 The transmission power information of the Physical Uplink Control Channel, and according to the resource information of the Physical Uplink Control Channel and described Transmission power information sends the response message of the downlink data.
Further, the receiver 1301, is also used to: controlling letter for the physical down at least one described subset Road receives one group of public reference signal CRS rate matching information of the first network equipment notice, one group of CRS rate At least one of match information contains at least two CRS drawing information；And the receiver is also used to, under reception is described Before row data, using at least one CRS rate matching information in one group of CRS rate matching information, to it is described at least The downlink data of Physical Downlink Control Channel instruction in a subset, carries out rate-matched.
It further, include: reference signal power in the received transmission power configuration information of the receiver 1301； The transmitter 1303 is specifically used for the transmission power configuration information obtained as follows according to the receiver 1301 Determine the transmission power information of the Physical Uplink Control Channel, and according to the resource information of the Physical Uplink Control Channel and The transmission power information sends the response message of the downlink data: determining that downlink path loss is estimated according to the reference signal power Evaluation determines the transmission power of the Physical Uplink Control Channel according to the downlink path loss estimated value, and according to the object The resource information and the transmission power of managing uplink control channel send the response message of the downlink data.
Since the equipment of the present embodiment can execute the message receiving method of any embodiment of that present invention, institute's energy The corresponding effect obtained is referred to the description in above-described embodiment, and details are not described herein again.
Embodiment ten
The present embodiment provides a kind of data transmission systems, include first network equipment and the in the system as shown in figure 15 Two network equipments.
Wherein, the first network equipment is used for, and sends transfer resource parameter to second network equipment, and use the biography Defeated resource parameters are to user device transmissions downlink data；Second network equipment is used for, and is sent out using the first network equipment The transfer resource parameter sent is to downlink data described in user device transmissions.That is first network equipment and second network equipment exists Use identical transfer resource parameter information to the identical downlink data of user device transmissions at least one subframe.
The first network equipment is also used to,
To the configuration information of the notification of user equipment uplink control channel resource, the uplink control channel resource is matched Confidence ceases the resource allocation information for sending the corresponding response message of the downlink data to user equipment instruction, and
The response message is received, or, second network equipment is notified to receive the response message.
The transfer resource parameter in the present embodiment may include: the transmission downlink data use physical resource, In HARQ process number when modulation coding scheme, data block size, the time for sending data block and each transmission data block At least one.First network equipment and second network equipment can be according to the information for including in transfer resource parameter to user equipment Send downlink data.
Optionally, if the first network equipment is also used to receive the response message, and when the response message is Negative response, the first network equipment are also used to, and Xiang Suoshu user equipment retransmits the downlink data；
Alternatively,
If the first network equipment is also used to that second network equipment is notified to receive the response message, and works as institute Stating response message is negative response, and second network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data.
The re-transmission of the i.e. described downlink data is realized by the first network equipment or second network equipment.Can specifically it join According to the description in above-described embodiment.
Second network equipment is also used to, and receives one group of public reference signal CRS that the first network equipment is sent Rate matching information；
The first network equipment is also used to, using the transfer resource parameter to user device transmissions downlink data it Before, it determines and transmits the corresponding CRS information of the downlink data in one group of CRS rate matching information, and use determining CRS Information carries out rate-matched；
Second network equipment is also used to, using the transfer resource parameter to user device transmissions downlink data it Before, it determines and transmits the corresponding CRS information of the downlink data in one group of CRS rate matching information, and use determining CRS Information carries out rate-matched.
Wherein, CRS rate matching information based on second network equipment is the first network equipment to described Second network equipment is preconfigured.
In the scheme of the present embodiment, just pass the transfer point used and transmission that re-transmission uses can be different, therefore, non- In the case where ideal backhaul, for just pass can use cooperation mode be UE send data so that data transmission can It is higher by property.
Further, the first network equipment is specifically used for that second network equipment is notified to receive institute as follows State response message:
The first network equipment carries the uplink control channel of the response message to second network equipment notice The configuration information of resource.
For example, main control base station such as base station 0 can also be to UE and the responsible base station such as base station 1 retransmitted, notice is held respectively The configuration information of the uplink control channel resource of response message is carried, such UE can send the corresponding response letter of downlink data accordingly Breath, base station 1 is it is also known that received the resource information of the corresponding response message of downlink data by oneself.If the response message of UE feedback It is NACK, base station 1 retransmits the downlink data to UE.
Wherein, it is real to can refer to the above-mentioned network equipment for the first network equipment in the present embodiment and the structure of second network equipment The description in example is applied, details are not described herein again.
Embodiment 11
The present embodiment provides a kind of realization systems of data transmission, include: as shown in figure 16, in the system that first network is set It is standby, second network equipment and the third network equipment；Wherein,
The first network equipment is used for, and sends transfer resource parameter to second network equipment and/or the third network equipment； And
Second network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user Equipment transmits downlink data；And/or
The third network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user Equipment transmits the downlink data；And
The first network equipment is also used to,
To the configuration information of the notification of user equipment uplink control channel resource, the uplink control channel resource is matched Confidence ceases the resource allocation information for sending the corresponding response message of the downlink data to user equipment instruction, and
The response message is received, or, second network equipment or the third network equipment is notified to receive the response letter Breath.
Wherein, when second network equipment and the third network equipment transmit data to UE jointly, second net Network equipment and the third network equipment are identical to UE transmission using identical transfer resource parameter at least one subframe Downlink data transmits downlink data to UE jointly to realize.Further, in second network equipment and the third network Equipment at least one subframe using identical transfer resource parameter to before the identical downlink data of user device transmissions, also It include: the transfer resource parameter letter that second network equipment and the third network equipment receive first network equipment notice Breath.For example, transfer resource parameter information is prenoticed base station 1 and base station 2 by base station 0 by the transfer resource parameter information.
Further, if the first network equipment is also used to receive the response message, and work as the response message For negative response, the first network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data；
Alternatively,
If the first network equipment is also used to that second network equipment is notified to receive the response message, and works as institute Stating response message is negative response, and second network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data；
Alternatively,
If the first network equipment is also used to that the third network equipment is notified to receive the response message, and works as institute Stating response message is negative response, and the third network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data.
Optionally, the first network equipment is specifically used for notifying second network equipment or third net as follows Network equipment receives the response message: the first network equipment carries institute to second network equipment or third network equipment notice State the configuration information of the uplink control channel resource of response message.
Optionally, the first network equipment is also used to, second network equipment of Xiang Suoshu and/or the third network equipment Notify one group of CRS rate matching information；
Second network equipment is also used to, using the first network equipment send the transfer resource parameter to Before family equipment transmits downlink data, using one group of CRS rate matching information, determine that the transmission downlink data is corresponding CRS information, and rate-matched is carried out using determining CRS information；
The third network equipment is also used to, using the first network equipment send the transfer resource parameter to Before family equipment transmits downlink data, using one group of CRS rate matching information, determine that the transmission downlink data is corresponding CRS information, and rate-matched is carried out using determining CRS information.
In the system of the present embodiment, realizes at least two network equipments under the scene of non-ideal backhaul and pass through association The mode of work sends data to user equipment, obtains unity gain.
Wherein, the structure of the first network equipment in the present embodiment, second network equipment and the third network equipment can refer to Description in above-mentioned network equipment embodiment, details are not described herein again.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (23)

1. a kind of data transmission method characterized by comprising
For first network equipment using transfer resource parameter to user device transmissions downlink data, second network equipment uses the biography Defeated resource parameters are to downlink data described in the user device transmissions, wherein the transmission that second network equipment uses Resource parameters are the first network equipment in advance to second network equipments configuration；And
The first network equipment receives the response message that the user equipment is sent, or, the first network equipment notifies institute Second network equipment is stated to receive response message and receive the response that the user equipment is sent by second network equipment Information, wherein the response message is user equipment money according to indicated by the configuration information of Physical Uplink Control Channel What source configuration information was sent, the configuration information of the Physical Uplink Control Channel is that the first network equipment is prenoticed to institute State user equipment.
2. the method as described in claim 1, which is characterized in that
If the first network equipment receives the response message, and when the response message is negative response, further includes: institute It states first network equipment and retransmits the downlink data to the user equipment；
Alternatively,
If the first network equipment notifies second network equipment to receive the response message, and works as the response message For negative response, further includes: second network equipment retransmits the downlink data to the user equipment.
3. method according to claim 1 or 2, which is characterized in that the first network equipment notifies second network Equipment receives response message, comprising:
The first network equipment carries the uplink control channel resource of the response message to second network equipment notice Configuration information.
4. method according to claim 1 or 2, which is characterized in that further include:
The first network equipment sends one group of public reference signal CRS rate matching information to second network equipment；
The first network equipment is using the transfer resource parameter to before user device transmissions downlink data, further includes:
The first network equipment, which determines, transmits the corresponding CRS letter of the downlink data in one group of CRS rate matching information Breath, and rate-matched is carried out using determining CRS information；
Second network equipment is using the transfer resource parameter to before user device transmissions downlink data, further includes:
Second network equipment, which determines, transmits the corresponding CRS letter of the downlink data in one group of CRS rate matching information Breath, and rate-matched is carried out using determining CRS information.
5. method according to claim 1 or 2, which is characterized in that the transfer resource parameter includes: the transmission downlink Physical resource that data use, modulation coding scheme, data block size, the time for sending data block, when sending data block every time At least one of hybrid automatic repeat-request process number.
6. a kind of data transmission method characterized by comprising
Second network equipment uses transfer resource parameter to user device transmissions downlink data, and/or, the third network equipment uses The transfer resource parameter is to downlink data described in user device transmissions, wherein second network equipment and the third net The transfer resource parameter that network equipment uses is that first network equipment is that second network equipment and the third network are set Standby configuration；And
The first network equipment receives the response message that the user equipment is sent, or, the first network equipment notifies institute It states second network equipment or the third network equipment and receives response message and second network equipment by receiving notice or the Three network equipments receive the response message that the user equipment is sent, wherein the response message is the user equipment It is sent according to resource allocation information indicated by the configuration information of Physical Uplink Control Channel, the Physical Uplink Control Channel Configuration information be that the first network equipment is prenoticed to the user equipment.
7. method as claimed in claim 6, which is characterized in that
If the first network equipment receives the response message, and when the response message is negative response, further includes: institute It states first network equipment and retransmits the downlink data to the user equipment；
Alternatively,
If the first network equipment notifies second network equipment to receive the response message, and works as the response message For negative response, further includes: second network equipment retransmits the downlink data to the user equipment；
Alternatively,
If the first network equipment notifies the third network equipment to receive the response message, and works as the response message For negative response, further includes: the third network equipment retransmits the downlink data to the user equipment.
8. method according to claim 6 or 7, which is characterized in that the first network equipment notifies second network Equipment or the third network equipment receive response message, comprising:
The first network equipment to second network equipment or third network equipment notice carry the response message it is described on The configuration information of row control channel resource.
9. method according to claim 6 or 7, which is characterized in that further include:
The first network equipment notifies one group of CRS rate to second network equipment and/or the third network equipment With information；
Second network equipment uses the transfer resource parameter of first network equipment transmission to user device transmissions Before downlink data, further includes: second network equipment uses one group of CRS rate matching information, determines described in transmission The corresponding CRS information of downlink data, and rate-matched is carried out using determining CRS information；
The third network equipment uses the transfer resource parameter of first network equipment transmission to user device transmissions Before downlink data, further includes: the third network equipment uses one group of CRS rate matching information, determines described in transmission The corresponding CRS information of downlink data, and rate-matched is carried out using determining CRS information.
10. method according to claim 6 or 7, which is characterized in that the transfer resource parameter information includes: transmission institute State physical resource, modulation coding scheme, data block size, the time for sending data block and each hair that downlink data uses At least one of hybrid automatic repeat-request HARQ procedure number when sending data block.
11. a kind of data transmission system, which is characterized in that including first network equipment and second network equipment；
The first network equipment is used for, and sends transfer resource parameter to second network equipment, and join using the transfer resource It counts to user device transmissions downlink data；
Second network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user equipment Transmit the downlink data；And
The first network equipment is also used to,
To the configuration information of the notification of user equipment uplink control channel resource, the uplink control channel resource matches confidence The resource allocation information for sending the corresponding response message of the downlink data to user equipment instruction is ceased, and
The response message is received, or, second network equipment is notified to receive the response message.
12. system as claimed in claim 11, which is characterized in that
If the first network equipment is also used to receive the response message, and when the response message is negative response, institute It states first network equipment to be also used to, Xiang Suoshu user equipment retransmits the downlink data；
Alternatively,
If the first network equipment is also used to that second network equipment is notified to receive the response message, and answers when described Answering information is negative response, and second network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data.
13. system according to claim 11 or 12, which is characterized in that the first network equipment is specifically used for by as follows Mode notifies second network equipment to receive the response message:
The first network equipment carries the uplink control channel resource of the response message to second network equipment notice Configuration information.
14. system according to claim 11 or 12, which is characterized in that
Second network equipment is also used to, and receives one group of public reference signal CRS rate that the first network equipment is sent Match information；
The first network equipment is also used to, using the transfer resource parameter to before user device transmissions downlink data, It determines and transmits the corresponding CRS information of the downlink data in one group of CRS rate matching information, and believed using determining CRS Breath carries out rate-matched；
Second network equipment is also used to, using the transfer resource parameter to before user device transmissions downlink data, It determines and transmits the corresponding CRS information of the downlink data in one group of CRS rate matching information, and believed using determining CRS Breath carries out rate-matched.
15. system according to claim 11 or 12, which is characterized in that the ginseng of transfer resource described in the first network equipment Number include: the transmission downlink data use physical resource, modulation coding scheme, data block size, send data block when Between, at least one of hybrid automatic repeat-request process number when sending data block every time.
16. a kind of data transmission system, which is characterized in that including first network equipment, second network equipment and third network Equipment；
The first network equipment is used for, and sends transfer resource parameter to second network equipment and/or the third network equipment；And
Second network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user equipment Transmit downlink data；And/or
The third network equipment is used for, and the transfer resource parameter sent using the first network equipment is to user equipment Transmit the downlink data；And
The first network equipment is also used to,
To the configuration information of the notification of user equipment uplink control channel resource, the uplink control channel resource matches confidence The resource allocation information for sending the corresponding response message of the downlink data to user equipment instruction is ceased, and
The response message is received, or, second network equipment or the third network equipment is notified to receive the response message.
17. system as claimed in claim 16, which is characterized in that
If the first network equipment is also used to receive the response message, and when the response message is negative response, institute It states first network equipment to be also used to, Xiang Suoshu user equipment retransmits the downlink data；
Alternatively,
If the first network equipment is also used to that second network equipment is notified to receive the response message, and answers when described Answering information is negative response, and second network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data；
Alternatively,
If the first network equipment is also used to that the third network equipment is notified to receive the response message, and answers when described Answering information is negative response, and the third network equipment is also used to, and Xiang Suoshu user equipment retransmits the downlink data.
18. system according to claim 16 or 17, which is characterized in that the first network equipment is specifically used for by as follows Mode notifies second network equipment or the third network equipment to receive the response message:
The first network equipment to second network equipment or third network equipment notice carry the response message it is described on The configuration information of row control channel resource.
19. system according to claim 16 or 17, which is characterized in that
The first network equipment is also used to, and second network equipment of Xiang Suoshu and/or the third network equipment notify one group of CRS Rate matching information；
Second network equipment is also used to, and is set using the transfer resource parameter that the first network equipment is sent to user Before standby transmission downlink data, using one group of CRS rate matching information, determines and transmit the corresponding CRS of the downlink data Information, and rate-matched is carried out using determining CRS information；
The third network equipment is also used to, and is set using the transfer resource parameter that the first network equipment is sent to user Before standby transmission downlink data, using one group of CRS rate matching information, determines and transmit the corresponding CRS of the downlink data Information, and rate-matched is carried out using determining CRS information.
20. system according to claim 16 or 17, which is characterized in that the transmission that the first network equipment is sent Resource parameters information includes: physical resource, modulation coding scheme, the data block size, transmission that the transmission downlink data uses At least one of hybrid automatic repeat-request HARQ procedure number when the time of data block and every time transmission data block.
21. a kind of network equipment including memory, processor and stores the calculating that can be run on a memory and on a processor Machine program, which is characterized in that the processor realizes the number as described in any one of claim 1-5 when executing described program According to transmission method.
22. a kind of user equipment including memory, processor and stores the calculating that can be run on a memory and on a processor Machine program, which is characterized in that the processor is realized as described in any one of claim 6-10 when executing described program Data transmission method.
23. a kind of computer readable storage medium, including computer-readable instruction, when computer is read and executes the computer When readable instruction, so that computer executes the data transmission method as described in claim 1-10 any one.
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