CN105264988A - Configuration method, device and system for signalling resources - Google Patents

Configuration method, device and system for signalling resources Download PDF

Info

Publication number
CN105264988A
CN105264988A CN201480001643.6A CN201480001643A CN105264988A CN 105264988 A CN105264988 A CN 105264988A CN 201480001643 A CN201480001643 A CN 201480001643A CN 105264988 A CN105264988 A CN 105264988A
Authority
CN
China
Prior art keywords
epdcch
subframe
crs
pdcch
indication information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201480001643.6A
Other languages
Chinese (zh)
Other versions
CN105264988B (en
Inventor
薛丽霞
李强
大卫·马瑞泽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN105264988A publication Critical patent/CN105264988A/en
Application granted granted Critical
Publication of CN105264988B publication Critical patent/CN105264988B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

Disclosed are a configuration method, device and system for signalling resources, which relate to the technical field of communications, and solve the problem of being unable to carry out accurate transmission because resource mapping cannot be accurately performed on an EPDCCH. The method comprises: a base station generating resource indication information about an enhanced physical downlink control channel (EPDCCH); sending resource indication information about the EPDCCH to user equipment; and indicating to the user equipment to determine resource elements occupied for transmitting the EPDCCH in various subframe signalling resources according to the resource indication information about the EPDCCH. The embodiment of the present invention is used to improve the transmission of control signalling.

Description

Configuration method, device and system for signalling resources
The present invention relates to communication technical field, more particularly to a kind of collocation method of signal resource, equipment and system for a kind of collocation method of signal resource, equipment and systems technology field.
Background technology
In Long-Term Evolution LTE (Long Term Evolution) system, the transmission of signal can use the radio band of part.Time And Frequency shared by the signal transmission of LTE systems, referred to as running time-frequency resource.In LTE systems, running time-frequency resource is divided into frame (Frame), subframe in time(Subframe), the unit of the different lengths such as orthogonal frequency division multiplex OFDM (Orthogonal Frequency Division Multiplexing) symbol, wherein, the duration of one frame is 10ms, one frame includes 10 subframes, it is 1 ms on one subframe time, two time slots is segmented into-individual subframe(), slot each slot s lot is divided into multiple OFDM symbols again.Here in the frequency-domain structure of a subframe, the system bandwidth that LTE is occupied has been divided into referred to as resource block PRB pair (Physical Resource Block Pair) unit.For example, if system bandwidth is 10MHz, a subframe is divided into 50 PRB pair unit on frequency domain, and each PRB is divided into multiple resource units RE (Resource Element).In LTE systems, need to transmit a variety of channels and reference signal on running time-frequency resource, one of which control channel is by taking physical downlink control channel PDCCH (Physical Downlink Control Channel) as an example, and reference signal is illustrated by taking cell common reference signal CRS (Cell-specific Reference Signal) as an example.
The channel transmitted in LTE systems also includes a kind of enhanced control channel EPDCCH (Enhanced PDCCH), it is with PDCCH differences, PDCCH can use preceding 14 OFDM symbols of a subframe, and EPDCCH can use the OFDM symbol in addition to preceding 14 OFDM symbols, and PDCCH takes whole system bandwidth, and EPDCCH can only use several PRB pair.In LTE system, in order that with EPDCCH ,-individual base station can give UE (User Equipment) configurations 12 EPDCCH set set, each EPDCCH set include several PRB pair.Here base station is notified which PRB pairs each EPDCCH set of UE occupy.Issuing UE descending control signaling DCI (Downlink Control Information) can be transmitted being allocated to some of this UE EPDCCH set PRB pair.In order to help UE to be able to know that, EPDCCH is transmitted on which RE, and base station can use each EPDCCH set of high-level signaling instruction UE resource impact information, including:Which PRB quantity that this set forgives, this set PRB be specifically, in this set due to the RE information and this set starting OFDM symbol number that transmit CRS and can not use.After the resource impact information that UE obtains each EPDCCH set, correct demodulation is carried out to EPDCCH with receiving.When carrying out resource impact to EPDCCH in the prior art, PDCCH and CRS can occur in each subframe in resource mapping method.And in prior art:PDCCH and CRS is only fixed in some subframes and occurred in descending discontinuous transmission Downlink DTX (downlink discontinuous transmission)(The 0,5th work song frame in for example per frame), remaining PDCCH and CRS are by random appearance in remaining subframe.If only still according to prior art, the present sub-frame set set indicated according to base station high-level signaling needs the CRS information and current set avoided starting OFDM symbol number to carry out resource impact to EPDCCH, it can not then be matched with actual EPDCCH resource impacts in the subframe of part, the problem of causing to be unable to properly receive EPDCCH.
Content of the invention embodiments of the invention provide a kind of collocation method of signal resource, equipment and system, solve due to that accurately can not carry out resource impact to EPDCCH, so that the problem of can not correctly transmitting.To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that:First aspect there is provided a kind of collocation method of signal resource, including:Base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, and the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are described for indicating EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
The resource indication information of the EPDCCH is sent to user equipment, resource units of the user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH are indicated.With reference in a first aspect, being specifically included in the first possible implementation, the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set port number, frequency offset position;The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes.With reference to the first possible implementation in first aspect or first aspect, specifically included in second of possible implementation, the base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information, including:When only concentrating in the first subframe and including the PDCCH, the starting character number for the OFDM symbols that the resource indication information of the EPDCCH takes including the first subframe collection and the PDCCH where the PDCCH, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH;When only concentrating in the first subframe and including the CRS, the resource indication information of the EPDCCH includes port number, frequency offset position and/or the first subframe collection that there is the CRS of the CRS.With reference to first aspect, specifically included in the third possible implementation, when non-first subframe, which is concentrated, includes the PDCCH, first EPDCCH resource indication information include the non-first subframe collection described in PDCCH take subframe, and the PDCCH take OFDM symbol starting character number;When non-first subframe, which is concentrated, includes the CRS, 2nd EPDCCH resource indication information includes the subframe that CRS takes described in the non-first subframe collection, and the port numbers that use of the CRS and/or frequency offset position, so as to user equipment root EPDCCH is properly received according to the resource indication information of the EPDCCH.With reference in a first aspect, being specifically included in the 4th kind of possible implementation, the base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information, including:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, at least one described subframe is arranged in the sub-frame information;Or,
If determining not including the CRS and PDCCH at least one subframe, all subframes are not arranged in the sub-frame information;
Or,
If can not determine whether to include the CRS and PDCCH in other subframes, at least one described other subframe is arranged in the sub-frame information, and at least one described other subframe is not arranged in the sub-frame information.
Second aspect there is provided a kind of collocation method of signal resource, including:
User equipment receives the resource indication information for the Physical Downlink Control Channel EPDCCH that base station is sent;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
The user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH.
With reference to second aspect, specifically included in the first mode in the cards, the user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH, including: When the PDCCH described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, PDCCH described in the resource indication information of the EPDCCH take first subframe concentrate number of sub frames, and the PDCCH take OFDM symbol starting character number;When the CRS described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, CRS described in the resource indication information of the EPDCCH take subframe be first subframe concentrate subframe, and the CRS take port number and/or frequency offset position.
With reference to second aspect, specifically included in second of mode in the cards, the user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH, including:When the non-first subframe collection includes the PDCCH in the first EPDCCH of reception resource indication information, the EPDCCH is received according to the resource indication information of the first EPDCCH, wherein described first EPDCCH resource indication information includes the subframe that the subframe that the PDCCH takes is concentrated for non-first subframe, and the starting character number of OFDM symbol that the PDCCH takes;When the non-first subframe collection includes the CRS in the 2nd EPDCCH of reception resource indication information, the EPDCCH is received according to the resource indication information of the 2nd EPDCCH, wherein described second EPDCCH resource indication information includes the subframe that the subframe that the CRS takes is concentrated for non-first subframe, and the port numbers that take of the CRS and/or frequency offset position.
With reference to second aspect, specifically included in the third possible implementation, the user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH, including:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH, which closes, includes the CRS and PDCCH; Or,
If determining not including the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH is closed without the CRS and PDCCH;Or,
If can not determine whether to include the CRS and PDCCH in other subframes, then the user equipment is in multiple EPDCCH set set of reception, there is the CRS and the PDCCH at least one the described EPDCCH set set received according to the resource indication information of the EPDCCH, and the CRS and PDCCH is not present at least one the described EPDCCH set set received.
The third aspect there is provided a kind of base station, including:Dispensing unit, the resource indication information for generating enhanced Physical Downlink Control Channel EPDCCH;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
Communication unit, for the resource indication information for the EPDCCH that dispensing unit generation is sent to user equipment, resource units of the user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH are indicated.
With reference to the third aspect, specifically included in the first possible implementation, the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set port number, frequency offset position;The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes. With reference to the first possible implementation in the third aspect or the third aspect, specifically included in second of possible implementation, the dispensing unit, specifically for:When only concentrating in the first subframe and including the PDCCH, the starting character number for the OFDM symbols that the resource indication information of the EPDCCH takes including the first subframe collection and the PDCCH where the PDCCH, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH;When only concentrating in the first subframe and including the CRS, the resource indication information of the EPDCCH includes port number, frequency offset position and/or the first subframe collection that there is the CRS of the CRS.
With reference to the third aspect, specifically included in the third possible implementation, the dispensing unit, specifically for:When non-first subframe, which is concentrated, includes the PDCCH, the first EPDCCH resource indication information includes the subframe that PDCCH takes described in the non-first subframe collection, and the starting character number of OFDM symbol that the PDCCH takes;When non-first subframe, which is concentrated, includes the CRS, 2nd EPDCCH resource indication information includes the subframe that CRS takes described in the non-first subframe collection, and the port numbers that use of the CRS and/or frequency offset position, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH.With reference to the third aspect, specifically included in the 4th kind of possible implementation, the dispensing unit, specifically for:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, at least one described subframe is arranged in the sub-frame information;Or, if determining not including the CRS and PDCCH at least one subframe, all subframes are not arranged in the sub-frame information;Or, if can not determine whether to include the CRS and PDCCH in other subframes, at least one described other subframe is arranged in the sub-frame information, And at least one described other subframe is not arranged in the sub-frame information.
Fourth aspect there is provided a kind of user equipment, including:
Communication unit, the resource indication information of the Physical Downlink Control Channel EPDCCH for receiving base station transmission;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
Dispensing unit, the resource indication information of the EPDCCH for being received according to the communication unit receives enhanced Physical Downlink Control Channel EPDCCH.With reference to fourth aspect, specifically included in the first mode in the cards, the dispensing unit, specifically for:When the PDCCH described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, PDCCH described in the resource indication information of the EPDCCH take first subframe concentrate number of sub frames, and the PDCCH take OFDM symbol starting character number;When the CRS described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, CRS described in the resource indication information of the EPDCCH take subframe be first subframe concentrate subframe, and the CRS take port number and/or frequency offset position.With reference to fourth aspect, specifically included in second of mode in the cards, the dispensing unit, specifically for:When the non-first subframe collection includes the PDCCH in the first EPDCCH of reception resource indication information, received according to the resource indication information of the first EPDCCH The EPDCCH, wherein the resource indication information of first EPDCCH include the PDCCH take number of sub frames, and the PDCCH take OFDM symbol starting character number;When the non-first subframe collection includes the CRS in the 2nd EPDCCH of reception resource indication information, the EPDCCH is received according to the resource indication information of the 2nd EPDCCH, wherein described second EPDCCH resource indication information includes the subframe that the subframe that the CRS takes is concentrated for non-first subframe, and the port numbers that take of the CRS and/or frequency offset position.With reference to fourth aspect, specifically included in the third possible implementation, the dispensing unit is specifically additionally operable to:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH, which closes, includes the CRS and PDCCH;Or, if determining not including the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH is closed without the CRS and PDCCH;Or,
If can not determine whether to include the CRS and PDCCH in other subframes, then the user equipment is in multiple EPDCCH set set of reception, there is the CRS and the PDCCH at least one the described EPDCCH set set received according to the resource indication information of the EPDCCH, and the CRS and PDCCH is not present at least one the described EPDCCH set set received.
There is provided a kind of base station in terms of 5th, including:The processor and memory connected by data/address bus, and at least one communication interface being connected respectively with the processor and memory, wherein,
The processor, for generating enhanced Physical Downlink Control Channel EPDCCH resource indication information;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
The processor, it is additionally operable to send the resource indication information of the EPDCCH to user equipment by least one described communication interface, indicates resource units of the user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH.With reference to the 5th aspect, specifically included in the first possible implementation, the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set port number, frequency offset position;The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes.With reference to the first possible implementation in the 5th aspect or the 5th aspect, specifically included in second of possible implementation, the processor, specifically for:
When only concentrating in the first subframe and including the PDCCH, the starting character number for the OFDM symbols that the resource indication information of the EPDCCH takes including the first subframe collection and the PDCCH where the PDCCH, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH;When only concentrating in the first subframe and including the CRS, the resource indication information of the EPDCCH includes port number, frequency offset position and/or the first subframe collection that there is the CRS of the CRS.With reference to the 5th aspect, specifically included in the third possible implementation, the processor, specifically for:When non-first subframe, which is concentrated, includes the PDCCH, the first EPDCCH resource indication information includes the subframe that PDCCH takes described in the non-first subframe collection, and the starting character number of OFDM symbol that the PDCCH takes; When non-first subframe, which is concentrated, includes the CRS, 2nd EPDCCH resource indication information includes the subframe that CRS takes described in the non-first subframe collection, and the port numbers that use of the CRS and/or frequency offset position, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH.With reference to the 5th aspect, specifically included in the 4th kind of possible implementation, the processor is specifically additionally operable to:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, at least one described subframe is arranged in the sub-frame information;Or, if determining not including the CRS and PDCCH at least one subframe, all subframes are not arranged in the sub-frame information;Or,
If can not determine whether to include the CRS and PDCCH in other subframes, at least one described other subframe is arranged in the sub-frame information, and at least one described other subframe is not arranged in the sub-frame information.
There is provided a kind of user equipment in terms of 6th, including:The processor and memory connected by data/address bus, and at least one communication interface being connected respectively with the processor and memory, wherein, the processor, the resource indication information for receiving the Physical Downlink Control Channel EPDCCH that base station is sent by least one communication interface;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;The processor, for the EPDCCH's that is received according to the communication unit Resource indication information receives enhanced Physical Downlink Control Channel EPDCCH.With reference to the 6th aspect, specifically included in the first mode in the cards, the processor, specifically for:
When the PDCCH described in the EPDCCH received by least one described communication interface the resource indication information only exists the first subframe collection, the EPDCCH is received by least one described communication interface according to the resource indication information of the EPDCCH, wherein, PDCCH described in the resource indication information of the EPDCCH take first subframe concentrate number of sub frames, and the PDCCH take OFDM symbol starting character number;
When the CRS described in the EPDCCH received by least one described communication interface the resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, CRS described in the resource indication information of the EPDCCH take subframe be first subframe concentrate subframe, and the CRS take port number and/or frequency offset position.With reference to the 6th aspect, specifically included in second of mode in the cards, the processor, specifically for:
When the non-first subframe collection includes the PDCCH in the first EPDCCH received by least one described communication interface resource indication information, the EPDCCH is received according to the resource indication information of the first EPDCCH, wherein described first EPDCCH resource indication information includes the subframe that the subframe that the PDCCH takes is concentrated for non-first subframe, and the starting character number of OFDM symbol that the PDCCH takes;
When the non-first subframe collection includes the CRS in the 2nd EPDCCH received by least one described communication interface resource indication information, the EPDCCH is received according to the resource indication information of the 2nd EPDCCH, wherein described second EPDCCH resource indication information includes the subframe that the subframe that the CRS takes is concentrated for non-first subframe, and the port numbers that take of the CRS and/or frequency offset position.With reference to the 6th aspect, specifically included in the third possible implementation, the processor is specifically additionally operable to:When the base station is multiple EPDCCH set set configuration resource impacts, if at least Determine to include the CRS and PDCCH in one subframe, then each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH, which closes, includes the CRS and PDCCH;Or, if determining not including the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH is closed without the CRS and PDCCH;Or,
If can not determine whether to include the CRS and PDCCH in other subframes, then the user equipment is in multiple EPDCCH set set of reception, there is the CRS and the PDCCH at least one the described EPDCCH set set received according to the resource indication information of the EPDCCH, and the CRS and PDCCH is not present at least one the described EPDCCH set set received.
There is provided a kind of communication system in terms of 7th, including:Base station and user equipment, wherein,
The base station is the base station described in any possible implementation in the third aspect and the third aspect;The user equipment is the user equipment described in any possible implementation in fourth aspect and fourth aspect;Or, the base station in terms of the base station is the 5th and in the 5th aspect described in any possible implementation;User equipment in terms of the user equipment is the 6th and in the 6th aspect described in any possible implementation.Collocation method, equipment and the system of signal resource provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so as to user equipment According to enhanced Physical Downlink Control Channel EPDCCH resource indication information judge in signal resource be used for transmit EPDCCH shared by resource units RE.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.
Technical scheme in illustrating in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.Fig. 1 is a kind of schematic flow sheet of the collocation method of signal resource provided in an embodiment of the present invention;Fig. 2 is the schematic flow sheet of the collocation method of another signal resource provided in an embodiment of the present invention;Fig. 3 is the schematic flow sheet of the collocation method of another signal resource provided in an embodiment of the present invention;Fig. 4 is the schematic flow sheet of the collocation method of another signal resource provided in an embodiment of the present invention;Fig. 5 is a kind of structural representation of base station provided in an embodiment of the present invention;Fig. 6 is a kind of structural representation of user equipment provided in an embodiment of the present invention;A kind of structural representation for base station that Fig. 7 provides for another embodiment of the present invention;A kind of structural representation for user equipment that Fig. 8 provides for another embodiment of the present invention;Fig. 9 is a kind of structural representation of communication system provided in an embodiment of the present invention.
The technical scheme in the embodiment of the present invention is clearly and completely described below in conjunction with the accompanying drawing in the embodiment of the present invention for embodiment, it is clear that described embodiment is only the present invention A part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.The invention provides a kind of collocation method of signal resource, it is adaptable to Long-Term Evolution
In LTE (Long Term Evolution) system, the Time And Frequency shared by the signal transmission of the LTE system, referred to as running time-frequency resource can also transmission of reference signals wherein on running time-frequency resource(Reference signal), the transmission of reference signal is mainly used in receiving terminal and demodulated, the purpose such as channel estimation;In addition running time-frequency resource is also used in the various channels of transmission, including data channel and control channel.Wherein, a kind of control channel is referred to as physical downlink control channel PDCCH (Physical Downlink Control Channel), and the channel that a kind of reference signal is referred to as transmitting in cell common reference signal CRS (Cell-specific Reference Signal) LTE system also includes a kind of enhanced control channel(EPDCCH, Enhanced PDCCH), it is also for transmitting downlink control signal compared with above-mentioned PDCCH.But running time-frequency resource is different from PDCCH used in EPDCCH.PDCCH can use preceding 1-4 OFDM symbol of a subframe, and EPDCCH can use OFDM symbols below.PDCCH takes whole system bandwidth, and EPDCCH can only take several resource blocks in whole system bandwidth to PRB pair (Physical Resource Block Pair).Prior art assumes that CRS and OFDM symbol exist in each subframe, once so UE have received EPDCCH set resource impact information, EPDCCH resource impact will be all carried out according to configuration here in all subframes.And in descending discontinuous transmission Downlink DTX, the situation that CRS, PDCCH of each subframe occur is differed.If only still according to prior art, the present sub-frame set set indicated according to base station high-level signaling needs the CRS information and current set avoided starting OFDM symbol number to carry out resource impact to EPDCCH, it can not then be matched with actual EPDCCH resource impacts in the subframe of part, the problem of causing to be unable to properly receive EPDCCH.Therefore the embodiments of the invention provide a kind of collocation method of signal resource, in base station side, shown in reference picture 1, following steps are specifically included:
101st, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information.Wherein, the resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, and the PDCCH configuration parameters are used to indicate shared by EPDCCH Resource units position, the CRS configuration parameters are used to indicate that EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS.Here base station is respectively EPDCCH configuration resource impacts according to different subframes to user equipment (UE) (User Equipment).Wherein, according to different subframes it is respectively specifically that EPDCCH configuration parameters are:Configuration information for CRS and PDCCH in each subframe is EPDCCH configuration resource impacts, according to CRS and PDCCH configuration information UE can be avoided to avoid taking the resource units RE (Resource Element) that CRS or PDCCH takes when receiving EPDCCH, so as to be properly received EPDCCH.Here in the frequency-domain structure of a subframe, the system bandwidth that LTE is occupied has been divided into referred to as resource block PRB pair (Physical Resource Block Pair) unit.For example, if system bandwidth is 10MHz, shellfish ' mono- subframe of J is divided into 50 PRB pair unit on frequency domain, and each PRB is divided into multiple resource units RE (Resource Element).Wherein, PDCCH can use preceding 14 OFDM symbols of a subframe, and EPDCCH can be used except the OFDM symbol after preceding 14 OFDM symbols, and PDCCH takes whole system bandwidth, and EPDCCH can only use several PRB pair.
102nd, base station sends the resource indication information of the EPDCCH to user equipment, resource units of the instruction user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH.The collocation method of signal resource provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.
The embodiments of the invention provide a kind of collocation method of signal resource, in user equipment side, shown in reference picture 2, following steps are specifically included: 201st, user equipment receives the resource indication information for the Physical Downlink Control Channel EPDCCH that base station is sent.
Wherein, the resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by EPDCCH, and the CRS configuration parameters are used to indicate that EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS.
202nd, user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to EPDCCH resource indication information.Here user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to EPDCCH resource indication information, wherein, it is described in detail below:If indicating PDCCH in the 0th and the 5th subframe in the corresponding EPDCCH of a, PDCCH resource indication information, and indicate PDCCH starting character number, that is orthogonal frequency division multiplex OFDM (Orthogonal Frequency Division Multiplexing) symbol of PDCCH starting, due to PDCCH in each resource block to PRB pair
Preceding 1-3 OFDM symbol is only occupied in (Physical Resource Block Pair), then user equipment receives EPDCCH resource indication information, it is possible to be informed in the 0th and the 5th subframe according to EPDCCH resource indication information, therefore receive EPDCCH when, user equipment by avoid take PDCCH occupied by OFDM parts.If indicating CRS in the 0th or the 5th subframe in the corresponding EPDCCH of b, CRS resource indication information, and known CRS port number, and frequency offset frequency shift, then user equipment receives EPDCCH resource indication information, it is possible to be informed in the 0th and the 5th subframe according to EPDCCH resource indication information, EPDCCH configuration resource impacts do not include the RE parts occupied by CRS.The collocation method of signal resource provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to can not be accurate Resource impact is carried out to EPDCCH, so that the problem of can not correctly transmitting.
Specifically, being illustrated below in conjunction with specific embodiment.Embodiment one can be on the basis of the embodiment shown in Fig. 1 or Fig. 2, shown in reference picture 3, The embodiment provides a kind of collocation method of signal resource, shown in reference picture 3, for base station according to the configuring condition of different subframes be respectively EPDCCH configure resource impact process, comprise the following steps that:
Here in blunt the first configuration information that correspondence PDCCH is configured according to physical downlink control channel PDCCH (Physical Downlink Control Channel) and cell common reference signal CRS (Cell-specific Reference Signal) of base station side ability and correspondence CRS the second configuration information, including two ways, specifically as described in step 301 and step 302, step 303 and step 304:
301st, base station generates EPDCCH resource indication information according to the starting character number of the OFDM symbol of PDCCH occupancy in each subframe.Wherein, the resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by EPDCCH, and the CRS configuration parameters are used to indicate that EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS.
Here EPDCCH resource indication information avoids the resource shared by PDCCH for instruction user equipment when being received to EPDCCH, wherein base station is in the OFDM taken in distributing each resource block PRB pair, and PDCCH only takes up preceding 1-3 OFDM symbol in a subframe.Wherein, can be according to the PDCCH EPDCCH generated resource indication information, by taking the length of a frame as an example, in sub-frame set 1, i.e., in the 0th subframe and the 5th subframe, PDCCH starting character number OFDM 1;In sub-frame set 2, i.e., other subframes in addition to the 0th subframe and the 5th subframe(Such as the subframe of the 1st subframe the 4th and the subframe of the 6th subframe the 9th)In, PDCCH starting character number OFDM2.Resource indication information in order to user equipment in EPDCCH is received to EPDCCH When, it is to avoid receive the OFDM symbol shared by the PDCCH in first configuration information.
302nd, base station generates EPDCCH resource indication information according to CRS port number in each frame and frequency displacement position.Here EPDCCH resource indication information avoids the resource shared by CRS for instruction user equipment when being received to EPDCCH, wherein, can be according to the CRS EPDCCH generated resource indication information, by taking the length of a frame as an example, in sub-frame set 1, that is the 0th subframe and the 5th subframe, CRS port number 1 and CRS frequency offset frequency shift 1, in sub-frame set 2, i.e., other subframes in addition to the 0th subframe and the 5th subframe(Such as the subframe of the 1st subframe the 4th and the subframe of the 6th subframe the 9th), CRS port number 2 and CRS frequency offset frequency shift2.And then avoid when it is that EDPCCH is received that user equipment is according to EPDCCH resource indication information, it is to avoid receive the resource that the CRS described in the resource indication information of the EPDCCH takes.Or,
303rd, when only concentrating in the first subframe and including PDCCH, the starting character number of EPDCCH OFDM symbol of the resource indication information including the first subframe collection where PDCCH and PDCCH occupancy.It is assumed here that PDCCH exists only in the first subframe concentration, wherein EPDCCH resource indication information includes one or combination in the subframe and the starting character number of the OFDM symbol of occupancy where PDCCH, specifically by taking the length of a frame as an example, assuming that there is PDCCH in the 0th subframe and the 5th subframe in regulation, other then include except the 0th subframe in the 5th subframe with not having PDCCH in EPDCCH resource indication information:Subframe where PDCCH(As PDCCH is located at the 0th subframe and the 5th subframe), one or combination in the starting character number OFDM that takes in PRB pair of the PDCCH in a subframe.
304th, when only concentrating in the first subframe and including CRS, the resource indication information of the EPDCCH includes CRS port number, frequency offset position and/or the first subframe collection that there is CRS.It is assumed here that CRS exists only in the first subframe concentration, specifically by taking the length of a frame as an example, assuming that regulation has CRS in the 0th subframe and the 5th subframe, other are then wrapped except the 0th subframe in the 5th subframe with not having CRS in EPDCCH resource indication information Include:Subframe where CRS(As CRS is located at the 0th subframe and the 5th subframe), frequency offset frequency shift of port numbers and CRS of the CRS in a subframe in a subframe at least one or at least two combination.
305th, base station sends the resource indication information of the EPDCCH to user equipment, resource units of the instruction user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH.Here can be according to the resource indication information that the EPDCCH comprising PDCCH and/or CRS is sent according to the real needs of user equipment in the resource indication information for the EPDCCH that base station is sent to user equipment.
306th, user equipment receives the resource indication information for the Physical Downlink Control Channel EPDCCH that base station is sent.
307th, user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH.Here user equipment configures EDPCCH according to the EPDCCH corresponding PDCCH of resource indication information configuring condition and/or CRS configuring condition, the resource shared by misuse PDCCH and/or CRS when receiving EPDCCH is avoided, so as to accurately receive EPDCCH.Specifically, user equipment is that enhanced Physical Downlink Control Channel EPDCCH configures resource impact according to EPDCCH resource indication information, comprise the following steps that described:
A, when PDCCH only exists the first subframe collection in the EPDCCH of reception resource indication information, according to EPDCCH resource indication information receive EPDCCH.
Wherein, in the resource indication information of the EPDCCH PDCCH take the first subframe concentrate number of sub frames, and PDCCH take OFDM symbol starting character number.It is assumed here that regulation has PDCCH in the 0th subframe and the 5th subframe, other removed the 0th subframe with not having PDCCH in the 5th subframe, then the subframe according to where PDCCH(As PDCCH is located at the 0th subframe and the 5th subframe), the starting character number OFDM that takes in PRB pair of the PDCCH in a subframe, resource impact is configured for EPDCCH, due to known PDCCH starting character number OFDM, then according to existing regulation, need to take for EPDCCH configurations behind the OFDM that the PDCCH of same subframe takes OFDM.B, when CRS only exists the first subframe collection in the EPDCCH of reception resource indication information, according to EPDCCH resource indication information receive EPDCCH.Wherein, in EPDCCH resource indication information CRS take subframe be the first subframe concentrate subframe, and CRS take port number and/or frequency offset position.It is assumed here that regulation has CRS in the 0th subframe and the 5th subframe, other removed the 0th subframe with not having CRS in the 5th subframe, then the subframe according to where CRS(As CRS is located at the 0th subframe and the 5th subframe), frequency offset frequency shift of port numbers and CRS of the CRS in a subframe in a subframe, resource impact is configured for EPDCCH, due to frequency offset frequency shift of the port number and CRS of the subframe where known CRS, CRS in a subframe in a subframe, then according to existing regulation, behind the OFDM that the PDCCH of same subframe takes and except the CRS OFDM parts taken are the OFDM that EPDCCH configurations need to take.The collocation method of signal resource provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.Optionally, when base station is configuring resource impact for multiple EPDCCH, comprise the following steps that described:Al, when base station be multiple EPDCCH set set configuration resource impact when, if at least one subframe determine include CRS and PDCCH, at least one subframe is arranged in sub-frame information.
Here it is illustrated by taking the length of a frame as an example, when base station is that multiple EPDCCH set configure resource impact, ^_ sets base station and determines there is CRS and PDCCH in the 0th subframe and the 5th subframe, then configures configuration in the 0th subframe and the 5th subframe during the 0th EPDCCH set set is gathered with the 1st EPDCCH set and there is CRS and PDCCH.Therefore CRS and PDCCH, the corresponding PDCCH and CRS EPDCCH of generation are had in the 0th subframe and the 5th subframe according to determination when user equipment is received Resource indication information when, will according to EPDCCH resource indication information configure EPDCCH resource impact.
A2, when base station be multiple EPDCCH set set configuration resource impact when, if determining to include CRS and PDCCH at least one subframe, each EPDCCH set collection that user equipment is received according to EPDCCH resource indication information, which closes, includes CRS and PDCCH.If determining not including CRS and PDCCH in b l, at least one subframe, all subframes are not arranged in sub-frame information.
Assuming that base station determines that CRS and PDCCH is not present in other subframes in addition to the 0th subframe and the 5th subframe, CRS and PDCCH is not present in other subframes then configured in OEPDCCH set set and l EPDCCH set set, therefore CRS and PDCCH is not present in other subframes in addition to the 0th subframe and the 5th subframe according to determination when user equipment is received, when the corresponding PDCCH and CRS of generation EPDCCH resource indication information, EPDCCH resource impact will be configured according to EPDCCH resource indication information.
If determining not including CRS and PDCCH in b2, at least one subframe, each EPDCCH set collection that user equipment is received according to EPDCCH resource indication information is closed without CRS and PDCCH.
If can not determine whether to include CRS and PDCCH in c l, other subframes, at least one other subframe is arranged in sub-frame information, and at least one other subframe is not arranged in sub-frame information.It is assumed here that other subframes of base station in addition to the 0th subframe and the 5th subframe can not determine whether there is CRS and PDCCH, then assume there is CRS and PDCCH in the 0th sub-frame set, be not present in the 1st sub-frame set.If can not determine whether to include CRS and PDCCH in c2, other subframes, then user equipment is in multiple EPDCCH set set of reception, there is CRS and PDCCH at least one the EPDCCH set set received according to EPDCCH resource indication information, and CRS and PDCCH is not present at least one the EPDCCH set set received.It is specific as shown in table 1: The sub-frame set of 0th sub-frame set the 1st
( Subframe 0,5 ) ( Subframe 1 ,2,3 ,4,6,7,8,9 )
EPDCCH
^ mouthfuls of-With CRS/PDCCH With CRS/PDCCH
Set 0
EPDCCH
^ mouthfuls of-With CRS/PDCCH Without CRS/PDCCH
The tables 1 of Set 1 are as shown in table 1 here, the first row second is classified as the 0th subframe and the 5th subframe, the first row the 3rd is classified as other subframes by taking the length of a frame as an example in addition to the 0th subframe and the 5th subframe, the i.e. subframe of the 1st subframe the 4th and the subframe of the 6th subframe the 9th.Second row first is classified as OEPDCCH set set, and the third line first is classified as 1EPDCCH set set, wherein, the state of the 0th sub-frame set and the 1st sub-frame set is described according to the 3rd row of the secondary series of the first row and the first row, as shown in table 1:There is PDCCH and CRS in the 0th subframe and the 5th subframe in OEPDCCH set set, also there is PDCCH and CRS in other subframes in addition to the 0th subframe and the 5th subframe;There is PDCCH and CRS in the 0th subframe and the 5th subframe in 1EPDCCH set set, PDCCH and CRS is not present in other subframes in addition to the 0th subframe and the 5th subframe.
It is described in detail below:As shown in table 1, whether there is other subframe to there is PDCCH and CRS in addition to the 0th subframe and the 5th subframe assuming that base station is uncertain, base station then sets all subframes at least OEPDCCH set set and there is PDCCH and CRS, set in 1EPDCCH set set in addition to the 0th subframe and the 5th subframe have PDCCH and CRS, in the absence of PDCCH and CRS in other subframes.If in addition to the 0th subframe and the 5th subframe base station determine PDCCH and CRS is also transmitted in other subframes, then using the OEPDCCH set set shown in table 1, make OEPDCCH set set transmission PDCCH and CRS, in user equipment side, then avoided occupying 09 when carrying out resource impact configuration to EPDCCH according to the situation for transmitting PDCCH and CRS in 09 subframes Resource in subframe shared by PDCCH and CRS.When base station determines that PDCCH and CRS is not present in other subframes in addition to the 0th subframe and the 5th subframe, then using the 1EPDCCH set set shown in table 1, make the 0th subframe and the 5th sub-frame transmission PDCCH and CRS in 1EPDCCH set set, there is no PDCCH and CRS in other subframes, in user equipment side, EPDCCH is then received according to the situation for not transmitting PDCCH and CRS in 09 subframes, and then user equipment can be made correctly to receive EPDCCH, it is to avoid take the resource shared by PDCCH and CRS in subframe.The collocation method of signal resource provided in an embodiment of the present invention, base station to multiple EPDCCH by carrying out resource distribution, when not knowing to include physical downlink control channel PDCCH and cell common reference signal CRS in addition to specific sub-frame, at least one EPDCCH set set is made all not include physical downlink control channel PDCCH and cell common reference signal CRS comprising physical downlink control channel PDCCH and cell common reference signal CRS, and at least one sub-frame set.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of being unable to properly receive.
Embodiment two can be on the basis of the embodiment shown in Fig. 1, Fig. 2 or Fig. 3, shown in reference picture 4, The embodiment provides a kind of collocation method of signal resource, shown in reference picture 4, if being respectively the process that EPDCCH configures resource impact when being changed for base station according to configuration of the configuring condition of different subframes in indivedual subframes, comprise the following steps that:Here in blunt the first configuration information that correspondence PDCCH is configured according to physical downlink control channel PDCCH (Physical Downlink Control Channel) and cell common reference signal CRS (Cell-specific Reference Signal) of base station side ability and correspondence CRS the second configuration information, including two ways, specifically as described in step 401 and step 402, step 403 and step 404:
401st, when only concentrating in the first subframe and including PDCCH, the starting character number for the OFDM symbol that the resource indication information of the EPDCCH takes including the first subframe collection and PDCCH where PDCCH, so that user equipment is properly received EPDCCH according to EPDCCH resource indication information.Resource indication information here according to EPDCCH is used for instruction user equipment right EPDCCH carries out avoiding the resource shared by PDCCH during resource impact, and in the OFDM taken in distributing each resource block PRB pair, PDCCH only takes up in PRB pair first 1300^1 symbols.Wherein, can be by taking the length of a frame as an example, to indicate PDCCH starting character number OFDM 1 in the 0th subframe and the 5th subframe in sub-frame set 1 according to the PDCCH EPDCCH generated resource indication information;Other subframes in sub-frame set 2 in addition to the 0th subframe and the 5th subframe(Such as the subframe of the 1st subframe the 4th and the subframe of the 6th subframe the 9th)Middle instruction PDCCH starting character number OFDM2.In order to which user equipment is when the resource indication information according to EPDCCH configures resource impact to EPDCCH, it is to avoid take the OFDM shared by the PDCCH described in the resource indication information of the EPDCCH.Wherein, assuming that PDCCH exists only in the first subframe concentration, wherein EPDCCH resource indication information includes one or combination in the subframe and the starting character number of the OFDM symbol of occupancy where PDCCH, specifically by taking the length of a frame as an example, assuming that there is PDCCH in the 0th subframe and the 5th subframe in regulation, other removed the 0th subframe with not having PDCCH in the 5th subframe, then included in EPDCCH resource indication information:Subframe where PDCCH(As PDCCH is located at the 0th subframe and the 5th subframe), one or combination in the starting character number OFDM that takes in PRB pair of the PDCCH in a subframe.
402nd, when only concentrating in the first subframe and including the CRS, the resource indication information of the EPDCCH includes CRS port number, frequency offset position and/or the first subframe collection that there is CRS.Here EPDCCH resource indication information avoids the resource shared by CRS for instruction user equipment when carrying out resource impact to EPDCCH, wherein, can be according to the CRS EPDCCH generated resource indication information, by taking the length of a frame as an example, in sub-frame set 1 CRS port number 1 and CRS frequency offset frequency shift 1, other subframes in sub-frame set 2 in addition to the 0th subframe and the 5th subframe are indicated in the 0th subframe and the 5th subframe(Such as the subframe of the 1st subframe the 4th and the subframe of the 6th subframe the 9th)Middle instruction CRS port number 2 and CRS frequency offset frequency shift2.And then avoid, when it is that EDPCCH configures resource impact that user equipment is according to EPDCCH resource indication information, taking the resource that the CRS described in the resource indication information of the EPDCCH takes. Wherein, assuming that CRS exists only in the first subframe concentration, specifically by taking the length of a frame as an example, it is assumed that regulation has CRS in the 0th subframe and the 5th subframe, other removed the 0th subframe with not having CRS in the 5th subframe, then included in EPDCCH resource indication information:Subframe where CRS(As CRS is located at the 0th subframe and the 5th subframe), frequency offset frequency shift of port numbers and CRS of the CRS in a subframe in a subframe at least one or at least two combination.
403rd, base station to user equipment send EPDCCH resource indication information, instruction user equipment according to the resource indication information of the EPDCCH determine in each subframe signal resource be used for transmit EPDCCH shared by resource units.Here base station to user equipment send EPDCCH resource indication information, or according to the real needs of user equipment send EPDCCH resource indication information in PDCCH and/or CRS.
404th, user equipment receives the resource indication information for the Physical Downlink Control Channel EPDCCH that base station is sent.
Here user equipment receive base station send EPDCCH resource indication information, or according to the real needs of user equipment receive EPDCCH resource indication information in PDCCH and/or CRS.
405th, user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH.Here user equipment configures EDPCCH according to EPDCCH resource indication information corresponding PDCCH and/or CRS configuring condition, the resource shared by misuse PDCCH and/or CRS when receiving EPDCCH is avoided, so as to accurately be received to EPDCCH.
Specifically, user equipment is that enhanced Physical Downlink Control Channel EPDCCH configures resource impact according to EPDCCH resource indication information, comprise the following steps that described:A, when PDCCH only exists the first subframe collection in the EPDCCH of reception resource indication information, according to EPDCCH resource indication information receive EPDCCH.Wherein, in the resource indication information of the EPDCCH PDCCH take the first subframe concentrate number of sub frames, and PDCCH take OFDM symbol starting character number. It is assumed here that regulation has PDCCH in the 0th subframe and the 5th subframe, other removed the 0th subframe with not having PDCCH in the 5th subframe, then the subframe according to where PDCCH(As PDCCH is located at the 0th subframe and the 5th subframe), the starting character number OFDM that takes in PRB pair of the PDCCH in a subframe, resource impact is configured for EPDCCH, due to known PDCCH starting character number OFDM, then according to existing regulation, the OFDM for needing to take is configured for EPDCCH behind the OFDM that the PDCCH of same subframe takes.B, when CRS only exists the first subframe collection in the EPDCCH of reception resource indication information, according to EPDCCH resource indication information receive EPDCCH.Wherein, in EPDCCH resource indication information CRS take subframe be the first subframe concentrate subframe, and CRS take port number and/or frequency offset position.It is assumed here that regulation has CRS in the 0th subframe and the 5th subframe, other removed the 0th subframe with not having CRS in the 5th subframe, then the subframe according to where CRS(As CRS is located at the 0th subframe and the 5th subframe), frequency offset frequency shift of port numbers and CRS of the CRS in a subframe in a subframe, resource impact is configured for EPDCCH, due to frequency offset frequency shift of the port number and CRS of the subframe where known CRS, CRS in a subframe in a subframe, then according to existing regulation, behind the OFDM that the PDCCH of same subframe takes and except the CRS OFDM parts taken are the OFDM that EPDCCH configurations need to take.
406th, when non-first subframe, which is concentrated, includes PDCCH, the first EPDCCH resource indication information includes the subframe that non-first subframe concentrates PDCCH to take, and the starting character number of OFDM symbol that PDCCH takes.If base station in the 0th subframe and the 5th subframe except determining there is CRS and PDCCH here, in remaining subframe, CRS and PDCCH is whether sent not can determine that, then can be after determining outside the 0th subframe and the 5th subframe in other subframes there is also CRS and PDCCH, the configuration parameter of PDCCH in other subframes generates the first EPDCCH resource indication information, resource indication information so as to user equipment always according to the first EPDCCH in addition to the resource indication information except EPDCCH knows other subframes there is also PDCCH, and resource impact configuration is carried out to EPDCCH according to PDCCH the first EPDCCH generated resource indication information. 407th, the first EPDCCH of base station transmission resource indication information is to user equipment, so that user equipment receives EPDCCH according to the first EPDCCH resource indication information.
408th, when non-first subframe, which is concentrated, includes CRS, 2nd EPDCCH resource indication information includes the subframe that non-first subframe concentrates CRS to take, and the port numbers that use of CRS and/or frequency offset position, so that user equipment is properly received EPDCCH according to EPDCCH resource indication information.If after the base station as described in step 406 is determined in other subframes outside the 0th subframe and the 5th subframe there is also CRS and PDCCH here, the configuration parameter of CRS in other subframes generates the 2nd EPDCCH resource indication information, resource indication information so as to user equipment always according to the 2nd EPDCCH in addition to the resource indication information except EPDCCH knows other subframes there is also CRS, and carries out resource impact configuration to EPDCCH according to CRS the 2nd EPDCCH generated resource indication information.
409th, the 2nd EPDCCH of base station transmission resource indication information is to user equipment, so that user equipment receives EPDCCH according to the 2nd EPDCCH resource indication information.
410th, when non-first subframe collection includes PDCCH in the first EPDCCH of reception resource indication information, EPDCCH is received according to the first EPDCCH resource indication information.Wherein the first EPDCCH resource indication information include PDCCH take subframe be non-first subframe concentrate subframe, and PDCCH take OFDM symbol starting character number.
41 1, user equipment configures the EPDCCH in other subframes according to the first EPDCCH resource indication information.Here user equipment is in the EPDCCH of the corresponding PDCCH according to step 401 403 resource impact configuration process to EPDCCH of resource indication information and CRS, when receiving the first EPDCCH resource indication information, user equipment knows not only to there is PDCCH in the 0th subframe and the 5th subframe and be also informed in other subframes there is PDCCH, and user equipment carries out resource distribution according to the configuring condition of PDCCH in the first EPDCCH received resource indication information to EPDCCH here.
412nd, when non-first subframe collection includes CRS in the 2nd EPDCCH of reception resource indication information, EPDCCH is received according to the 2nd EPDCCH resource indication information. Wherein the 2nd EPDCCH resource indication information include CRS take subframe be non-first subframe concentrate subframe, and CRS take port number and/or frequency offset position.
413rd, user equipment configures the EPDCCH in other subframes according to the 2nd EPDCCH resource indication information.Here user equipment is in the EPDCCH of the corresponding PDCCH according to step 401 403 resource impact configuration process to EPDCCH of resource indication information and CRS, when receiving EPDCCH resource indication information, user equipment knows not only there is CRS in the 0th subframe and the 5th subframe, it has also been found that there is CRS in other subframes, user equipment carries out resource distribution according to the configuring condition of CRS in the 2nd EPDCCH received resource indication information to EPDCCH here.Wherein user equipment is after the 2nd EPDCCH resource indication information is received, conflict it was found that being sent with the content in EPDCCH resource indication information, the user equipment will be defined by the 2nd EPDCCH resource indication information and EPDCCH is reconfigured.The collocation method of signal resource provided in an embodiment of the present invention, base station generates EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.And in the case where being changed when the configuring condition in subframe, removed PDCCH present in subframe and CRS described in EPDCCH resource indication information, the PDCCH and CRS are also present and other subframes, generate the first EPDCCH resource indication information and the 2nd EPDCCH resource indication information, and send the resource indication information of the first EPDCCH resource indication information and the 2nd EPDCCH to user equipment, so that user equipment makes renewal according to actual conditions, solve due to resource impact accurately can not be carried out to EPDCCH, so as to the problem of can not correctly transmitting.In embodiment one provided in an embodiment of the present invention and embodiment two under the length of a frame, only illustrated so that PDCCH and CRS are present in the subframe of the 0th subframe the 9th as an example, here in the length of a frame, whether do not limit in a subframe while there is PDCCH and CRS, a situation about being present in some subframes in PDCCH and CRS is equally applicable to a kind of collocation method of the above-mentioned all signal resources of the embodiment of the present invention, does not limit specifically. Embodiments of the invention provide a kind of base station 5, and the base station 5 is defined by the collocation method that can realize any of the above-described signal resource that embodiments of the invention are provided, shown in reference picture 5, including:Dispensing unit 51, the resource indication information for generating enhanced Physical Downlink Control Channel EPDCCH;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
Communication unit 52, for to user equipment send the dispensing unit generation EPDCCH resource indication information, instruction user equipment according to the resource indication information of the EPDCCH determine in each subframe signal resource be used for transmit EPDCCH shared by resource units.Base station provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.Optionally, the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set port number, frequency offset position;The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes.Optionally, dispensing unit 51, specifically for:
When only concentrating in the first subframe and including PDCCH, the starting character number for the OFDM symbol that the resource indication information of the EPDCCH takes including the first subframe collection and PDCCH where PDCCH, so that user equipment is properly received EPDCCH according to EPDCCH resource indication information; When only concentrating in the first subframe and including CRS, the resource indication information of the EPDCCH includes CRS port number, frequency offset position and/or the first subframe collection that there is CRS;Optionally, dispensing unit 51, specifically for:When non-first subframe, which is concentrated, includes PDCCH, the first EPDCCH resource indication information includes the subframe that non-first subframe concentrates PDCCH to take, and the starting character number of OFDM symbol that PDCCH takes;When non-first subframe, which is concentrated, includes CRS, 2nd EPDCCH resource indication information includes the subframe that non-first subframe concentrates CRS to take, and the port numbers that use of CRS and/or frequency offset position, so that user equipment is properly received EPDCCH according to EPDCCH resource indication information.Optionally, dispensing unit 51, specifically for:When base station is multiple EPDCCH set set configuration resource impacts, if determining to include CRS and PDCCH at least one subframe, at least one subframe is arranged in sub-frame information;Or, if determining not including CRS and PDCCH at least one subframe, all subframes are not arranged in sub-frame information;Or,
If can not determine whether to include CRS and PDCCH in other subframes, at least one other subframe is arranged in sub-frame information, and at least one other subframe is not arranged in sub-frame information.Base station provided in an embodiment of the present invention, base station generates EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.And in the case where being changed when the configuring condition in subframe, removed PDCCH present in subframe and CRS described in EPDCCH resource indication information, the PDCCH and CRS are also present and other subframes, the first EPDCCH resource indication information and the 2nd EPDCCH resource indication information are generated, and the first EPDCCH resource indication information and the 2nd EPDCCH resource are indicated to believe Breath is sent to user equipment, so that user equipment makes renewal according to actual conditions, is solved due to that accurately can not carry out resource impact to EPDCCH, so that the problem of can not correctly transmitting.
Embodiments of the invention provide a kind of user equipment 6, and the user equipment 6 is defined by the collocation method that can realize any of the above-described signal resource that embodiments of the invention are provided, shown in reference picture 6, including:Communication unit 61, the resource indication information of the Physical Downlink Control Channel EPDCCH for receiving base station transmission;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by EPDCCH, and the CRS configuration parameters are used to indicate that EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;Dispensing unit 62, the resource indication information of the EPDCCH for being received according to communication unit receives enhanced Physical Downlink Control Channel EPDCCH.User equipment provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.Optionally, dispensing unit 62, specifically for:When PDCCH only exists the first subframe collection in the EPDCCH of reception resource indication information, EPDCCH is received according to EPDCCH resource indication information, wherein, in the resource indication information of the EPDCCH PDCCH take the first subframe concentrate number of sub frames, and PDCCH take OFDM symbol starting character number;When CRS only exists the first subframe collection in the EPDCCH of reception resource indication information, EPDCCH is received according to EPDCCH resource indication information, wherein, the subframe that CRS takes in EPDCCH resource indication information is the subframe that the first subframe is concentrated, and Port number and/or frequency offset position that CRS takes;Optionally, dispensing unit 62, specifically for:When non-first subframe collection includes PDCCH in the first EPDCCH of reception resource indication information, EPDCCH is received according to the first EPDCCH resource indication information, wherein the first EPDCCH resource indication information include PDCCH take number of sub frames, and PDCCH take OFDM symbol starting character number;When non-first subframe collection includes CRS in the 2nd EPDCCH of reception resource indication information, EPDCCH is received according to the 2nd EPDCCH resource indication information, wherein, 2nd EPDCCH resource indication information include CRS take subframe be non-first subframe concentrate subframe, and CRS take port number and/or frequency offset position.Optionally, dispensing unit 62, are specifically additionally operable to:When base station is multiple EPDCCH set set configuration resource impacts, if determining to include CRS and PDCCH at least one subframe, each EPDCCH set collection that user equipment is received according to EPDCCH resource indication information, which closes, includes CRS and PDCCH;Or, if determining not including CRS and PDCCH at least one subframe, each EPDCCH set collection that user equipment is received according to EPDCCH resource indication information is closed without CRS and PDCCH;Or,
If can not determine whether to include CRS and PDCCH in other subframes, then user equipment is in multiple EPDCCH set set of reception, there is CRS and PDCCH at least one the EPDCCH set set received according to EPDCCH resource indication information, and CRS and PDCCH is not present at least one the EPDCCH set set received.User equipment provided in an embodiment of the present invention, base station generates EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.And in the case where being changed when the configuring condition in subframe, that is, removed described in EPDCCH resource indication information and exist in subframe PDCCH and CRS, the PDCCH and CRS are also present and other subframes, generate the first EPDCCH resource indication information and the 2nd EPDCCH resource indication information, and send the resource indication information of the first EPDCCH resource indication information and the 2nd EPDCCH to user equipment, so that user equipment makes renewal according to actual conditions, solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.
Embodiments of the invention provide a kind of base station 7, and shown in reference picture 7, the base station 7 includes:At least one processor 71, memory 72, COM1 73 and bus 74, at least one processor 71, memory 72 and the communication interface 73 are connected by bus 74 and complete mutual communication.The bus 74 can be industry standard architecture(Industry Standard Architecture, referred to as ISA) bus, external equipment interconnection(Peripheral Component, referred to as PCI) bus or extended industry-standard architecture(Extended Industry Standard Architecture, referred to as EISA) bus etc..The bus 74 can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, only represented in Fig. 7 with a thick line, it is not intended that only one bus or a type of bus.Wherein:Memory 72 is used to store executable program code, and the program code includes computer-managed instruction.Memory 72 may include high-speed RAM memory, it is also possible to which, also including nonvolatile memory (non-volatile memory), for example, at least one disk deposits 4 all devices.
Processor 71 is probably a central processing unit(Central Processing Unit, referred to as CPU), either specific integrated circuit (Application Specific Integrated Circuit, referred to as ASIC), or it is arranged to implement one or more integrated circuits of the embodiment of the present invention.Communication interface 73, is mainly used in realizing the communication between the device in the present embodiment.Wherein, processor 71, the resource indication information for generating enhanced Physical Downlink Control Channel EPDCCH;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by EPDCCH, and the CRS configuration parameters are used to indicate that EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units shared by CRS in the sub-frame information and each subframe where CRS Information;
Processor 71, be additionally operable to by least one communication interface 73 to user equipment send EPDCCH resource indication information, instruction user equipment according to EPDCCH resource indication information determine in each subframe signal resource be used for transmit EPDCCH shared by resource units.Base station provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.Optionally, the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set port number, frequency offset position;The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes.Optionally, processor 71, specifically for:When only concentrating in the first subframe and including PDCCH, the starting character number for the OFDM symbol that the resource indication information of the EPDCCH takes including the first subframe collection and PDCCH where PDCCH, so that user equipment is properly received EPDCCH according to EPDCCH resource indication information;When only concentrating in the first subframe and including CRS, the resource indication information of the EPDCCH includes CRS port number, frequency offset position and/or the first subframe collection that there is CRS;Optionally, processor 71, specifically for:When non-first subframe, which is concentrated, includes PDCCH, the first EPDCCH resource indication information includes the subframe that PDCCH takes described in the non-first subframe collection, and the starting character number of OFDM symbol that the PDCCH takes;When non-first subframe, which is concentrated, includes CRS, 2nd EPDCCH resource indication information includes the subframe that non-first subframe concentrates CRS to take, and the port numbers that use of CRS and/or frequency offset position, so that user equipment is indicated according to EPDCCH resource Information is properly received EPDCCH.Further, processor 71, are specifically additionally operable to:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, at least one described subframe is arranged in the sub-frame information;Or,
If determining not including the CRS and PDCCH at least one subframe, all subframes are not arranged in the sub-frame information;
Or,
If can not determine whether to include the CRS and PDCCH in other subframes, at least one described other subframe is arranged in the sub-frame information, and at least one described other subframe is not arranged in the sub-frame information.Base station provided in an embodiment of the present invention, base station generates EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.And in the case where being changed when the configuring condition in subframe, removed PDCCH present in subframe and CRS described in EPDCCH resource indication information, the PDCCH and CRS are also present and other subframes, generate the first EPDCCH resource indication information and the 2nd EPDCCH resource indication information, and send the resource indication information of the first EPDCCH resource indication information and the 2nd EPDCCH to user equipment, so that user equipment makes renewal according to actual conditions, solve due to resource impact accurately can not be carried out to EPDCCH, so as to the problem of can not correctly transmitting.
Embodiments of the invention provide a kind of user equipment 8, and shown in reference picture 8, the user equipment 8 includes:At least one processor 81, memory 82, COM1 83 and bus 84, at least one processor 81, memory 82 and the communication interface 83 are connected by bus 84 and complete mutual communication.
The bus 84 can be industry standard architecture( Industry Standard Architecture , Referred to as ISA) bus, external equipment interconnection(Peripheral Component, referred to as PCI) bus or extended industry-standard architecture(Extended Industry Standard Architecture, referred to as EISA) bus etc..The bus 84 can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, only represented in Fig. 8 with a thick line, it is not intended that only one bus or a type of bus.Wherein:Memory 82 is used to store executable program code, and the program code includes computer-managed instruction.Memory 82 may include high-speed RAM memory, it is also possible to which, also including nonvolatile memory (non-volatile memory), for example, at least one disk deposits 4 all devices.Processor 81 is probably a central processing unit(Central Processing Unit, referred to as CPU), either specific integrated circuit (Application Specific Integrated Circuit, referred to as ASIC), or it is arranged to implement one or more integrated circuits of the embodiment of the present invention.Communication interface 83, is mainly used in realizing the communication between the device in the present embodiment.Wherein, processor 81, the resource indication information for receiving the Physical Downlink Control Channel EPDCCH that base station is sent by least one communication interface 83;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by EPDCCH, and the CRS configuration parameters are used to indicate that EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;Processor 81, for receiving enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH.User equipment provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to resource impact accurately can not be carried out to EPDCCH, so that the problem of can not correctly transmitting.Optionally, processor 81, specifically for:When the EPDCCH received by least one communication interface 83 resource indication information When middle PDCCH only exists the first subframe collection, EPDCCH is received by least one communication interface 83 according to the resource indication information of the EPDCCH, wherein, in EPDCCH resource indication information PDCCH take the first subframe concentrate number of sub frames, and PDCCH take OFDM symbol starting character number;When CRS only exists the first subframe collection in the EPDCCH received by least one communication interface 83 resource indication information, EPDCCH is received according to the resource indication information of the EPDCCH, wherein, in the resource indication information of the EPDCCH CRS take subframe be first subframe concentrate subframe, and the CRS take port number and/or frequency offset position;
Optionally, processor 81, specifically for:When non-first subframe collection includes PDCCH in the first EPDCCH received by least one communication interface 83 resource indication information, EPDCCH is received according to the first EPDCCH resource indication information, wherein the first EPDCCH resource indication information include PDCCH take subframe be non-first subframe concentrate subframe, and PDCCH take OFDM symbol starting character number;When non-first subframe collection includes CRS in the 2nd EPDCCH received by least one communication interface 83 resource indication information, EPDCCH is received according to the 2nd EPDCCH resource indication information, wherein the 2nd EPDCCH resource indication information include CRS take subframe be non-first subframe concentrate subframe, and CRS take port number and/or frequency offset position.Further, processor 81, are specifically additionally operable to:
When base station is multiple EPDCCH set set configuration resource impacts, if determining to include CRS and PDCCH at least one subframe, each EPDCCH set collection that user equipment is received according to EPDCCH resource indication information, which closes, includes CRS and PDCCH;Or,
If determining not including CRS and PDCCH at least one subframe, each EPDCCH set collection that user equipment is received according to EPDCCH resource indication information is closed without CRS and PDCCH; Or,
If can not determine whether to include CRS and PDCCH in other subframes, then user equipment is in multiple EPDCCH set set of reception, there is CRS and PDCCH at least one the EPDCCH set set received according to the resource indication information of the EPDCCH, and CRS and PDCCH is not present at least one the EPDCCH set set received.User equipment provided in an embodiment of the present invention, base station generates EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.And in the case where being changed when the configuring condition in subframe, removed PDCCH present in subframe and CRS described in EPDCCH resource indication information, the PDCCH and CRS are also present and other subframes, generate the first EPDCCH resource indication information and the 2nd EPDCCH resource indication information, and send the resource indication information of the first EPDCCH resource indication information and the 2nd EPDCCH to user equipment, so that user equipment makes renewal according to actual conditions, solve due to resource impact accurately can not be carried out to EPDCCH, so as to the problem of can not correctly transmitting.
Embodiments of the invention provide a kind of communication system 9, shown in reference picture 9, including:Base station 91 and user equipment 92, wherein, the base station 91 is the base station shown in Fig. 5;The user equipment 92 is the user equipment shown in Fig. 6;Or, the base station 91 is the base station shown in Fig. 7;The user equipment 92 is the user equipment shown in Fig. 8.Communication system provided in an embodiment of the present invention, base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information by the CRS in different subframes and PDCCH configuration parameter, so that user equipment judges in signal resource according to enhanced Physical Downlink Control Channel EPDCCH resource indication information for the resource units RE shared by transmitting EPDCCH.Solve due to can not be accurately right EPDCCH carries out resource impact, so that the problem of can not correctly transmitting.Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be realized with hardware, or firmware is realized, or combinations thereof mode is realized.When implemented in software, above-mentioned functions can be stored in computer-readable medium or be transmitted as one or more instructions on computer-readable medium or code.Computer-readable medium includes computer-readable storage medium and communication media, and wherein communication media includes being easy to any medium that computer program is transmitted from a place to another place.Storage medium can be any usable medium that computer can be accessed.As example but it is not limited to:Computer-readable medium can include RAM, ROM, EEPROM, CD-ROM or other optical disc storages, magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with instruct or data structure form desired program code and can by computer access any other medium.In addition.Any connection can be suitably turn into computer-readable medium.If for example, software is to use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line() or such as wireless technology of infrared ray, radio and microwave etc is transmitted from website, server or other remote sources DSL, then the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc be included in belonging to medium it is fixing in.As used in the present invention, disk() and dish Disk(Disc compression laser disc) is included(CD), laser disc, laser disc, Digital Versatile Disc(DVD), floppy disk and Blu-ray Disc, the replicate data of the usual magnetic of which disk, and dish is then with laser come optical replicate data.Above combination above should also be as being included within the protection domain of computer-readable medium.
In a word, the preferred embodiment of technical solution of the present invention is the foregoing is only, is not intended to limit the scope of the present invention.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection.

Claims (1)

  1. Claims
    1st, a kind of collocation method of signal resource, it is characterised in that including:Base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;The resource indication information of the EPDCCH is sent to user equipment, resource units of the user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH are indicated.
    2nd, according to the method described in claim 1, it is characterised in that the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set port number, frequency offset position;
    The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes.
    3rd, method according to claim 1 or 2, it is characterised in that the base station generates enhanced Physical Downlink Control Channel E P D C C H resource indication information, including:When only concentrating in the first subframe and including the PDCCH, the starting character number for the OFDM symbols that the resource indication information of the EPDCCH takes including the first subframe collection and the PDCCH where the PDCCH, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH;
    When only concentrating in the first subframe and including the CRS, the resource indication information of the EPDCCH includes port number, frequency offset position and/or the first subframe collection that there is the CRS of the CRS.
    4th, according to the method described in claim 1, it is characterised in that the base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information, including:When non-first subframe, which is concentrated, includes the PDCCH, the first EPDCCH's Resource indication information include the non-first subframe collection described in PDCCH take subframe, and the PDCCH take OFDM symbol starting character number;When non-first subframe, which is concentrated, includes the CRS, 2nd EPDCCH resource indication information includes the subframe that CRS takes described in the non-first subframe collection, and the port numbers that use of the CRS and/or frequency offset position, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH.
    5th, according to the method described in claim 1, it is characterised in that the base station generates enhanced Physical Downlink Control Channel EPDCCH resource indication information, including:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, at least one described subframe is arranged in the sub-frame information;Or, if determining not including the CRS and PDCCH at least one subframe, all subframes are not arranged in the sub-frame information;
    Or,
    If can not determine whether to include the CRS and PDCCH in other subframes, at least one described other subframe is arranged in the sub-frame information, and at least one described other subframe is not arranged in the sub-frame information.
    6th, a kind of collocation method of signal resource, it is characterised in that including:User equipment receives the resource indication information for the Physical Downlink Control Channel EPDCCH that base station is sent;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;The user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH. 7th, method according to claim 5, it is characterised in that the user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH, including:When the PDCCH described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, PDCCH described in the resource indication information of the EPDCCH take first subframe concentrate number of sub frames, and the PDCCH take OFDM symbol starting character number;When the CRS described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, CRS described in the resource indication information of the EPDCCH take subframe be first subframe concentrate subframe, and the CRS take port number and/or frequency offset position.
    8th, method according to claim 5, it is characterised in that the user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH, including:When the non-first subframe collection includes the PDCCH in the first EPDCCH of reception resource indication information, the EPDCCH is received according to the resource indication information of the first EPDCCH, wherein described first EPDCCH resource indication information includes the subframe that the subframe that the PDCCH takes is concentrated for non-first subframe, and the starting character number of OFDM symbol that the PDCCH takes;When the non-first subframe collection includes the CRS in the 2nd EPDCCH of reception resource indication information, the EPDCCH is received according to the resource indication information of the 2nd EPDCCH, wherein described second EPDCCH resource indication information includes the subframe that the subframe that the CRS takes is concentrated for non-first subframe, and the port numbers that take of the CRS and/or frequency offset position.
    9th, method according to claim 5, it is characterised in that the user equipment receives enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH, including:When the base station is multiple EPDCCH set set configuration resource impacts, if at least Determine to include the CRS and PDCCH in one subframe, then each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH, which closes, includes the CRS and PDCCH;Or,
    If determining not including the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH is closed without the CRS and PDCCH;Or,
    If can not determine whether to include the CRS and PDCCH in other subframes, then the user equipment is in multiple EPDCCH set set of reception, there is the CRS and the PDCCH at least one the described EPDCCH set set received according to the resource indication information of the EPDCCH, and the CRS and PDCCH is not present at least one the described EPDCCH set set received.
    10th, a kind of base station, it is characterised in that including:
    Dispensing unit, the resource indication information for generating enhanced Physical Downlink Control Channel EPDCCH;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
    Communication unit, for the resource indication information for the EPDCCH that dispensing unit generation is sent to user equipment, resource units of the user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH are indicated.
    11st, base station according to claim 8, it is characterised in that the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set Port number, frequency offset position;The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes.
    12nd, the base station according to claim 10 or 11, it is characterised in that the dispensing unit, specifically for:When only concentrating in the first subframe and including the PDCCH, the starting character number for the OFDM symbols that the resource indication information of the EPDCCH takes including the first subframe collection and the PDCCH where the PDCCH, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH;When only concentrating in the first subframe and including the CRS, the resource indication information of the EPDCCH includes port number, frequency offset position and/or the first subframe collection that there is the CRS of the CRS.
    13rd, base station according to claim 10, it is characterised in that the dispensing unit, specifically for:When non-first subframe, which is concentrated, includes the PDCCH, the first EPDCCH resource indication information includes the subframe that PDCCH takes described in the non-first subframe collection, and the starting character number of OFDM symbol that the PDCCH takes;When non-first subframe, which is concentrated, includes the CRS, 2nd EPDCCH resource indication information includes the subframe that CRS takes described in the non-first subframe collection, and the port numbers that use of the CRS and/or frequency offset position, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH.
    14th, base station according to claim 10, it is characterised in that the dispensing unit, specifically for:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, at least one described subframe is arranged in the sub-frame information;Or, if determining not including the CRS and PDCCH at least one subframe, all subframes are not arranged in the sub-frame information; Or,
    If can not determine whether to include the CRS and PDCCH in other subframes, at least one described other subframe is arranged in the sub-frame information, and at least one described other subframe is not arranged in the sub-frame information.
    15th, a kind of user equipment, it is characterised in that including:
    Communication unit, the resource indication information of the Physical Downlink Control Channel EPDCCH for receiving base station transmission;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
    Dispensing unit, the resource indication information of the EPDCCH for being received according to the communication unit receives enhanced Physical Downlink Control Channel EPDCCH.
    16th, user equipment according to claim 15, it is characterised in that the dispensing unit, specifically for:When the PDCCH described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, PDCCH described in the resource indication information of the EPDCCH take first subframe concentrate number of sub frames, and the PDCCH take OFDM symbol starting character number;When the CRS described in the EPDCCH of the reception resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, CRS described in the resource indication information of the EPDCCH take subframe be first subframe concentrate subframe, and the CRS take port number and/or frequency offset position.
    17th, user equipment according to claim 15, it is characterised in that the configuration Unit, specifically for:
    When the non-first subframe collection includes the PDCCH in the first EPDCCH of reception resource indication information, the EPDCCH is received according to the resource indication information of the first EPDCCH, wherein described first EPDCCH resource indication information include the PDCCH take number of sub frames, and the PDCCH take OFDM symbol starting character number;
    When the non-first subframe collection includes the CRS in the 2nd EPDCCH of reception resource indication information, the EPDCCH is received according to the resource indication information of the 2nd EPDCCH, wherein described second EPDCCH resource indication information includes the subframe that the subframe that the CRS takes is concentrated for non-first subframe, and the port numbers that take of the CRS and/or frequency offset position.
    18th, user equipment according to claim 15, it is characterised in that the dispensing unit, is specifically additionally operable to:
    When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH, which closes, includes the CRS and PDCCH;Or,
    If determining not including the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH is closed without the CRS and PDCCH;Or,
    If can not determine whether to include the CRS and PDCCH in other subframes, then the user equipment is in multiple EPDCCH set set of reception, there is the CRS and the PDCCH at least one the described EPDCCH set set received according to the resource indication information of the EPDCCH, and the CRS and PDCCH is not present at least one the described EPDCCH set set received.
    19th, a kind of base station, it is characterised in that including:The processing connected by data/address bus Device and memory, and at least one communication interface being connected respectively with the processor and memory, wherein, the processor, for generating enhanced Physical Downlink Control Channel
    EPDCCH resource indication information;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH configuration parameters include the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
    The processor, it is additionally operable to send the resource indication information of the EPDCCH to user equipment by least one described communication interface, indicates resource units of the user equipment according to shared by the resource indication information of the EPDCCH determines to be used in each subframe signal resource to transmit EPDCCH.
    20th, base station according to claim 19, it is characterised in that the CRS configuration parameters include:Sub-frame set and the corresponding CRS of the sub-frame set port number, frequency offset position;The PDCCH configuration parameters include:Sub-frame set and the subframe combine the starting character number for the orthogonal frequency division multiplex OFDM symbol that corresponding EPDCCH takes.
    21st, the base station according to claim 19 or 20, it is characterised in that the processor, specifically for:
    When only concentrating in the first subframe and including the PDCCH, the starting character number for the OFDM symbols that the resource indication information of the EPDCCH takes including the first subframe collection and the PDCCH where the PDCCH, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH;When only concentrating in the first subframe and including the CRS, the resource indication information of the EPDCCH includes port number, frequency offset position and/or the first subframe collection that there is the CRS of the CRS.
    22nd, base station according to claim 19, it is characterised in that the processor, Specifically for:When non-first subframe, which is concentrated, includes the PDCCH, the first EPDCCH resource indication information includes the subframe that PDCCH takes described in the non-first subframe collection, and the starting character number of OFDM symbol that the PDCCH takes;When non-first subframe, which is concentrated, includes the CRS, 2nd EPDCCH resource indication information includes the subframe that CRS takes described in the non-first subframe collection, and the port numbers that use of the CRS and/or frequency offset position, so that user equipment is properly received EPDCCH according to the resource indication information of the EPDCCH.
    23rd, base station according to claim 19, it is characterised in that the processor, is specifically additionally operable to:When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, at least one described subframe is arranged in the sub-frame information;Or, if determining not including the CRS and PDCCH at least one subframe, all subframes are not arranged in the sub-frame information;Or,
    If can not determine whether to include the CRS and PDCCH in other subframes, at least one described other subframe is arranged in the sub-frame information, and at least one described other subframe is not arranged in the sub-frame information.
    24th, a kind of user equipment, it is characterised in that including:The processor and memory connected by data/address bus, and at least one communication interface being connected respectively with the processor and memory, wherein, the processor, the resource indication information for receiving the Physical Downlink Control Channel EPDCCH that base station is sent by least one communication interface;The resource indication information of the EPDCCH includes PDCCH configuration parameters and/or CRS configuration parameters, the PDCCH configuration parameters are used for the position for indicating the resource units shared by the EPDCCH, and the CRS configuration parameters are used to indicate that the EPDCCH needs the resource units avoided;The PDCCH Configuration parameter includes the original position of PDCCH in the sub-frame information and each subframe where PDCCH;The CRS configuration parameters include the resource units information shared by CRS in the sub-frame information and each subframe where CRS;
    The processor, for receiving enhanced Physical Downlink Control Channel EPDCCH according to the resource indication information of the EPDCCH.
    25th, user equipment according to claim 24, it is characterised in that the processor, specifically for:
    When the PDCCH described in the E P D C C H received by least one described communication interface the resource indication information only exists the first subframe collection, the EPDCCH is received by least one described communication interface according to the resource indication information of the EPDCCH, wherein, PDCCH described in the resource indication information of the EPDCCH take first subframe concentrate number of sub frames, and the PDCCH take OFDM symbol starting character number;When the CRS described in the E P D C C H received by least one described communication interface the resource indication information only exists the first subframe collection, the EPDCCH is received according to the resource indication information of the EPDCCH, wherein, CRS described in the resource indication information of the EPDCCH take subframe be first subframe concentrate subframe, and the CRS take port number and/or frequency offset position.
    26th, user equipment according to claim 24, it is characterised in that the processor, specifically for:
    When the non-first subframe collection includes the PDCCH in the first E P D C C H received by least one described communication interface resource indication information, the EPDCCH is received according to the resource indication information of the first EPDCCH, wherein described first EPDCCH resource indication information includes the subframe that the subframe that the PDCCH takes is concentrated for non-first subframe, and the starting character number of OFDM symbol that the PDCCH takes;
    When the non-first subframe collection includes the CRS in the 2nd E P D C C H received by least one described communication interface resource indication information, the EPDCCH is received according to the resource indication information of the 2nd EPDCCH, wherein described second EPDCCH resource indication information includes the subframe that the subframe that the CRS takes is concentrated for non-first subframe, and the port numbers that take of the CRS and/or frequency offset position. 27th, user equipment according to claim 24, it is characterised in that the processor, is specifically additionally operable to:
    When the base station is multiple EPDCCH set set configuration resource impacts, if determining to include the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH, which closes, includes the CRS and PDCCH;Or,
    If determining not including the CRS and PDCCH at least one subframe, each described EPDCCH set collection that the user equipment is received according to the resource indication information of the EPDCCH is closed without the CRS and PDCCH;Or,
    If can not determine whether to include the CRS and PDCCH in other subframes, then the user equipment is in multiple EPDCCH set set of reception, there is the CRS and the PDCCH at least one the described EPDCCH set set received according to the resource indication information of the EPDCCH, and the CRS and PDCCH is not present at least one the described EPDCCH set set received.
    28th, a kind of communication system, it is characterised in that including:Base station and user equipment, wherein,
    The base station is any described base station in claim 10 14;The user equipment is any described user equipment in claim 15 18;Or,
    The base station is any described base station in claim 19 23;
    The user equipment is any described user equipment in claim 24 27.
CN201480001643.6A 2014-01-09 2014-01-09 A kind of configuration method of signal resource, equipment and system Active CN105264988B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/070418 WO2015103763A1 (en) 2014-01-09 2014-01-09 Configuration method, device and system for signalling resources

Publications (2)

Publication Number Publication Date
CN105264988A true CN105264988A (en) 2016-01-20
CN105264988B CN105264988B (en) 2019-06-21

Family

ID=53523457

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480001643.6A Active CN105264988B (en) 2014-01-09 2014-01-09 A kind of configuration method of signal resource, equipment and system

Country Status (2)

Country Link
CN (1) CN105264988B (en)
WO (1) WO2015103763A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108282283A (en) * 2017-01-05 2018-07-13 华为技术有限公司 Method for mapping resource and user equipment
CN110138527A (en) * 2018-02-09 2019-08-16 电信科学技术研究院有限公司 A kind of instruction of resource determines method and device
CN110875815A (en) * 2018-08-31 2020-03-10 华为技术有限公司 Resource mapping method and device
WO2021103926A1 (en) * 2019-11-25 2021-06-03 上海朗帛通信技术有限公司 Method and device in node used for wireless communication
US11147052B2 (en) 2017-09-15 2021-10-12 Huawei Technologies Co., Ltd. Method, apparatus, and system for obtaining control resource set

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3664539T3 (en) 2017-08-04 2022-10-31 Beijing Xiaomi Mobile Software Co., Ltd. Data transmission method and device, and computer-readable storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012067448A3 (en) * 2010-11-17 2012-09-20 엘지전자 주식회사 Method and apparatus for transceiving a downlink control channel in a wireless communication system
CN102711253A (en) * 2012-03-21 2012-10-03 电信科学技术研究院 E-PDCCH (Enhanced-Physical Downlink Control Channel) resource mapping method and device therefor
WO2013004159A1 (en) * 2011-07-04 2013-01-10 华为技术有限公司 Method, base station and user equipment for transmitting control channel indication information
CN103327493A (en) * 2012-03-19 2013-09-25 电信科学技术研究院 ePDCCH resource unit number confirming method and ePDCCH resource unit number confirming device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103107857B (en) * 2011-11-14 2017-02-08 中兴通讯股份有限公司 Sending method and sending device for improving physical downlink control channel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012067448A3 (en) * 2010-11-17 2012-09-20 엘지전자 주식회사 Method and apparatus for transceiving a downlink control channel in a wireless communication system
WO2013004159A1 (en) * 2011-07-04 2013-01-10 华为技术有限公司 Method, base station and user equipment for transmitting control channel indication information
CN103327493A (en) * 2012-03-19 2013-09-25 电信科学技术研究院 ePDCCH resource unit number confirming method and ePDCCH resource unit number confirming device
CN102711253A (en) * 2012-03-21 2012-10-03 电信科学技术研究院 E-PDCCH (Enhanced-Physical Downlink Control Channel) resource mapping method and device therefor

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108282283A (en) * 2017-01-05 2018-07-13 华为技术有限公司 Method for mapping resource and user equipment
CN108282283B (en) * 2017-01-05 2023-04-18 华为技术有限公司 Resource mapping method and user equipment
US11147052B2 (en) 2017-09-15 2021-10-12 Huawei Technologies Co., Ltd. Method, apparatus, and system for obtaining control resource set
CN110138527A (en) * 2018-02-09 2019-08-16 电信科学技术研究院有限公司 A kind of instruction of resource determines method and device
CN110138527B (en) * 2018-02-09 2022-05-27 大唐移动通信设备有限公司 Resource indicating and determining method and device
CN114844617A (en) * 2018-02-09 2022-08-02 大唐移动通信设备有限公司 Resource indicating and determining method and device
CN110875815A (en) * 2018-08-31 2020-03-10 华为技术有限公司 Resource mapping method and device
CN110875815B (en) * 2018-08-31 2021-03-23 华为技术有限公司 Resource mapping method and device
US11963170B2 (en) 2018-08-31 2024-04-16 Huawei Technologies Co., Ltd. Resource mapping method and apparatus
WO2021103926A1 (en) * 2019-11-25 2021-06-03 上海朗帛通信技术有限公司 Method and device in node used for wireless communication

Also Published As

Publication number Publication date
CN105264988B (en) 2019-06-21
WO2015103763A1 (en) 2015-07-16

Similar Documents

Publication Publication Date Title
CN105264988A (en) Configuration method, device and system for signalling resources
JP6577577B2 (en) Data transmission method, data reception method and apparatus in non-authoritative frequency band
CN107005564B (en) A kind of information transferring method, equipment and system
WO2016070704A1 (en) Data transmission method and device in unlicensed frequency band
CN103812602A (en) Method and equipment of blind test common search space and UE specific search space
US10687249B2 (en) Data packet transmission method and device
CN104335534B (en) Data transmission method for uplink, method of reseptance and equipment
CN101505497A (en) Method for allocating uplink ACK/NACK channel
EP3012989B1 (en) Data transmission method and system, base station and user equipment
CN105812105A (en) Transmission device used for demodulating reference signals, transmission system, and transmission method
CN103378885B (en) The sending, receiving method of downlink data and device
CN104009827B (en) A kind of transmission method and equipment of user equipment specific demodulated reference signal
CN107113115B (en) Method and apparatus for supporting partial subframe data transmission in L TE systems
US10587378B2 (en) Downlink information processing method, user equipment, base station, and communications system
JP2020534742A5 (en)
CN110113144B (en) Low-delay wireless communication method and device
CN103563468A (en) Transmission device, reception device, transmission method, and reception method
CN108476096A (en) Downlink transmission method and base station and terminal
CN104796987A (en) Method and device for transmitting system information
CN110890953B (en) Communication method and communication device using unlicensed frequency band
JP6173598B2 (en) Data transmission method, reception method, system and device
WO2016127412A1 (en) Pbch retransmission method and base station
CN107896390B (en) Method and device for low-delay UE and base station
CN110311875A (en) A kind of data transmission method and device
CN115174004A (en) Hybrid automatic repeat request feedback transmission method, terminal, base station and communication system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant