CN102185642A - Method, system and equipment for transmitting configuration information and selecting transmission antenna - Google Patents
Method, system and equipment for transmitting configuration information and selecting transmission antenna Download PDFInfo
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- CN102185642A CN102185642A CN2011101223249A CN201110122324A CN102185642A CN 102185642 A CN102185642 A CN 102185642A CN 2011101223249 A CN2011101223249 A CN 2011101223249A CN 201110122324 A CN201110122324 A CN 201110122324A CN 102185642 A CN102185642 A CN 102185642A
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- configuration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
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Abstract
The embodiment of the invention relates to the technical field of wireless communication, and particularly relates to a method, system and equipment for transmitting configuration information and selecting a transmission antenna, and the method, system and equipment provided by the invention are used for realizing that user equipment (UE) can select the transmission antenna in a carrier aggregation environment. The method of the embodiment is applied to carrier aggregation, and comprises: the UE provided with a plurality of transmission antennae receives configuration information of a network side; and the UE selects the transmission antenna according to the received configuration information. The UE can select the transmission antenna in the carrier aggregation environment, so that the UE with multi-carrier transmission capability and an antenna selection function can normally use the antenna selection function in the carrier aggregation environment, thus the transmission performance and resource utilization of the UE can be improved.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of method, system and equipment that sends configuration information and select transmitting antenna.
Background technology
In LTE (Long Term Evolution, Long Term Evolution) system, there is one type UE (subscriber equipment) to have single transmitter channels, but is equipped with two transmit antennas.Such UE obtains the antenna diversity gain by the employed transmitting antenna of selection/switching transmit uplink signal, improves the performance of uplink.
The framework of the UE of this type as shown in Figure 1, baseband signal through IFFT (anti-fast Fourier transform), DAC (digital-to-analogue conversion), carrier modulation and PA (power amplifier) back UNICOM to Anneta module.This type of UE is equipped with two Anneta modules, is connected with the mode by switch between the PA, and every Anneta module is made up of RFfilter (radio-frequency filter) and Tx antenna (transmitting antenna).By the switch between PA and the Anneta module, select corresponding Anneta module to carry out the upward signal emission.
UE emitting antenna selecting/handoff technique among the LTE Rel-8/9, specifically comprise PUSCH (physical uplink shared channel, Physical Uplink Shared Channel) transmitting antenna of emitting antenna selecting and SRS (Sounding Reference Signal, detection reference signal) switches.The antenna selection function of UE is opened by RRC (Radio Resource Control, Radio Resource control) signaling configuration by the base station, and UE need report the ability that whether has emitting antenna selecting to the base station before configuration.
Introduced carrier aggregation technology in LTE Rel-10, UE can go up at a plurality of CC (Component carrier, member carrier) and receive or send data, to promote peak rate and the user experience of UE.In carrier aggregation, each CC becomes a sub-district (cell), and each CC has a Cell call number (value is 0～7 integer).But also there is not a kind of scheme of how UE under the state of carrier aggregation being selected transmitting antenna at present.
In sum, under the state of carrier aggregation, also there is not a kind of UE how to select the scheme of transmitting antenna at present.
Summary of the invention
The embodiment of the invention provides a kind of method, system and equipment that sends configuration information and select transmitting antenna, and UE can select transmitting antenna under the carrier aggregation environment in order to be implemented in.
A kind of method of selecting transmitting antenna that the embodiment of the invention provides is applied to carrier aggregation, and this method comprises:
The configuration information that the subscriber equipment reception network side of many transmit antennas is arranged;
Described subscriber equipment is selected transmitting antenna according to the configuration information of receiving.
Preferably, described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment determine to need is sending PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively;
Described subscriber equipment is determining to need to send PUSCH, and when determining that according to the configuration information of receiving needs are used closed-loop fashion, reception is from the transmitting antenna indication information of network side, and selects the transmitting antenna of each member carrier correspondence according to described transmitting antenna indication information.
Preferably, described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment is according to the configuration information of receiving, when determining to send detection reference signal SRS, according to the setting order of each member carrier correspondence, many transmit antennas of use SRS is switched in circulation.
Preferably, described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment determine to need is sending PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively;
Described subscriber equipment is determining to need to send PUSCH, and when determining that according to the configuration information of receiving needs adopt closed-loop fashion, reception is from the transmitting antenna indication information of network side, and according to described transmitting antenna indication information, for current subframe is selected a transmit antennas.
Preferably, described subscriber equipment needs to carry in the member carrier group on the member carrier of current subframe and uses the transmitting antenna of selecting for current subframe to send PUSCH.
Preferably, described subscriber equipment also comprises before receiving the transmitting antenna indication information:
Described network side carries the transmitting antenna indication information by the DCI format 0 of each up link member carrier UL CC correspondence, is used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
Preferably, this method also comprises:
When complete inequality the or part of the transmitting antenna that uses on the different members carrier wave of the same subframe that the indication of described transmitting antenna indication information is selected was identical, described subscriber equipment was not selected according to described transmitting antenna indication information on arbitrary member carrier.
Preferably, described carrier aggregation is the continuous carrier polymerization;
Described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment is chosen in the transmitting antenna that uses on the member carrier of appointment according to described configuration information when determining to need to send SRS;
Described subscriber equipment is selected the transmitting antenna that uses on other member carriers, and wherein the numbering of the last transmitting antenna that uses is identical on the member carrier of the numbering of the transmitting antenna that uses on other member carriers of Xuan Zeing and appointment.
Preferably, the member carrier of described appointment is the member carrier of corresponding district call number Cell Index minimum.
Preferably, described carrier aggregation is the discontinuous carrier polymerization or strides the frequency range carrier aggregation or the continuous carrier polymerization.
A kind of equipment of selecting transmitting antenna that the embodiment of the invention provides is applied to carrier aggregation, and this equipment has many transmit antennas, and this equipment comprises:
Receiver module is used to receive the configuration information of network side;
Select module, be used for selecting transmitting antenna according to the configuration information of receiving.
Preferably, described selection module specifically is used for:
Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively; Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs are used closed-loop fashion, reception is from the transmitting antenna indication information of network side, and selects the transmitting antenna of each member carrier correspondence according to described transmitting antenna indication information.
Preferably, described selection module specifically is used for:
According to the configuration information of receiving, when determining to need to send detection reference signal SRS,, circulate to switch and use many transmit antennas SRS according to the setting order of each member carrier correspondence.
Preferably, described selection module specifically is used for:
Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively; Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs adopt closed-loop fashion, receiving transmitting antenna indication information, and be that current subframe is selected a transmit antennas according to described transmitting antenna indication information from network side.
Preferably, described selection module also is used for:
Needing to carry in the member carrier group on the member carrier of current subframe uses the transmitting antenna of selecting for current subframe to send PUSCH.。
Preferably, described selection module also is used for:
When complete inequality the or part of the transmitting antenna that uses on the different members carrier wave of the same subframe that the indication of described transmitting antenna indication information is selected is identical, on arbitrary member carrier, do not select according to described transmitting antenna indication information.
Preferably, described selection module specifically is used for:
When determining to need to send SRS, be chosen in the transmitting antenna that uses on the member carrier of appointment according to described configuration information; Select the transmitting antenna that uses on other member carriers, wherein the numbering of the last transmitting antenna that uses is identical on the member carrier of the numbering of the transmitting antenna that uses on other member carriers of Xuan Zeing and appointment.
Preferably, the member carrier of described appointment is the member carrier of the Cell Index minimum of correspondence.
Preferably, described carrier aggregation is the discontinuous carrier polymerization or strides the frequency range carrier aggregation or the continuous carrier polymerization.
A kind of method that sends configuration information that the embodiment of the invention provides is applied to carrier aggregation, and this method comprises:
Network side is determined configuration information;
Described network side sends the configuration information of determining to user terminal, is used for indicating user terminal and selects transmitting antenna according to configuration information.
Preferably, the definite configuration information of described network side transmission comprises:
Described network side carries the transmitting antenna indication information by the DCI format 0 of each UL CC correspondence, is used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
A kind of equipment that sends configuration information that the embodiment of the invention provides is applied to carrier aggregation, and this equipment comprises:
Determination module is used for determining configuration information;
Sending module is used for sending the configuration information of determining to user terminal, is used for indicating user terminal and selects transmitting antenna according to configuration information.
Preferably, described sending module specifically is used for:
A kind of system of selecting transmitting antenna that the embodiment of the invention provides is applied to carrier aggregation, and this system comprises:
Network equipment is used to send configuration information;
The subscriber equipment that many transmit antennas are arranged is used for selecting transmitting antenna according to the configuration information of receiving.
Can select transmitting antenna owing to be implemented under the carrier aggregation environment subscriber equipment, make the subscriber equipment have the multicarrier transmitting capacity and to have an antenna selection function can under the carrier aggregation environment, normally use the antenna selection function, thus the transmission performance and the resource utilization of raising subscriber equipment.
Description of drawings
The UE structural representation of Fig. 1 for having the antenna selective power in the background technology;
Fig. 2 selects the method flow schematic diagram of transmitting antenna for the embodiment of the invention;
Fig. 3 selects the device structure schematic diagram of transmitting antenna for the embodiment of the invention;
Fig. 4 selects the system configuration schematic diagram of transmitting antenna for the embodiment of the invention;
Fig. 5 is the UE structural representation of continuous carrier polymerization;
Fig. 6 is the UE structural representation of discontinuous (or striding frequency range) carrier aggregation;
Fig. 7 is the emitting antenna selecting schematic diagram of the embodiment of the invention based on PUSCH;
Fig. 8 is the emitting antenna selecting schematic diagram of the embodiment of the invention based on SRS;
Fig. 9 sends the method flow schematic diagram of configuration information for the embodiment of the invention;
Figure 10 sends the device structure schematic diagram of configuration information for the embodiment of the invention.
Embodiment
The embodiment of the invention has the subscriber equipment of many transmit antennas when being applied to carrier aggregation, according to the configuration information of receiving, selects transmitting antenna.UE can select transmitting antenna under the carrier aggregation environment owing to being implemented in, make the UE have the multicarrier transmitting capacity and to have an antenna selection function can under the carrier aggregation environment, normally use the antenna selection function, thus transmission performance and the resource utilization of raising UE.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 2, the embodiment of the invention selects the method for transmitting antenna to comprise the following steps:
Wherein, each member carrier in the carrier aggregation can be continuous on the frequency, and for example continuous 5 20MHz carrier waves constitute the carrier aggregation of 100MHz bandwidth; Each member carrier in the carrier aggregation also can be discontinuous on the frequency, even on different frequency range (band).Provide a kind of UE framework of supporting the continuous carrier polymerization among Fig. 5, wherein UE has only equipped a PA, is used for transmitting of two CC amplified.Fig. 6 has provided a kind of UE framework of supporting discontinuous (or striding frequency range) carrier aggregation, and wherein UE has equipped two PA, and each PA is used for the amplification that transmits of a CC, and this moment, two CC had separately independently transmission channel.
Because discontinuous or stride the frequency range carrier aggregation, different with the UE structure of continuous segment carrier aggregation, when selecting transmitting antenna, also have difference accordingly, below the branch situation describe.
Situation one, carrier aggregation are discontinuous or stride the frequency range carrier aggregation.Can comprise the emitting antenna selecting mode of PUSCH and the emitting antenna selecting mode of SRS again at situation one.
For discontinuous or stride the frequency range carrier aggregation, because subscriber equipment has independently transmission channel (referring to Fig. 6) on each CC, so each CC can independently carry out emitting antenna selecting.
The emitting antenna selecting mode of mode one, PUSCH.
Concrete, in the step 202, subscriber equipment sends PUSCH at needs and (promptly sends information by PUSCH, down together), and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively, and promptly at this moment subscriber equipment can oneself be chosen in to adopt which root antenna transmission PUSCH on the subframe that sends PUSCH in each member carrier respectively.
In the step 202, subscriber equipment sends PUSCH at needs, and when determining that according to the configuration information of receiving needs adopt closed-loop fashion, reception is from the transmitting antenna indication information (this information is used to notify terminal to select which transmit antennas) of network side, and select the transmitting antenna of each member carrier correspondence according to the transmitting antenna indication information, promptly at this moment subscriber equipment is chosen in to adopt which root antenna transmission PUSCH on the subframe that sends PUSCH in each member carrier respectively according to the transmitting antenna indication information.
In force, network side can send the transmitting antenna indication information at this carrier wave on each carrier wave, go up the transmitting antenna indication information that sends at carrier wave A such as carrier wave A, carrier wave B goes up the transmitting antenna indication information that sends at carrier wave B, accordingly, subscriber equipment is received the transmitting antenna indication information on which carrier wave, just know this transmitting antenna indication information at be which carrier wave; Network side also can send the transmitting antenna indication information of all carrier waves on a carrier wave, corresponding, and subscriber equipment determines according to identifier each transmitting antenna indication information is at which carrier wave respectively.
Concrete open loop approach or the closed-loop fashion of adopting, network side can be configured by the RRC signaling, and promptly the configuration information in the mode one is that the open loop approach or the information of closed-loop fashion are adopted in indication, and can be carried in the RRC signaling.
Need to prove that the embodiment of the invention is not limited to carry by the RRC signaling mode of configuration information, other modes that can carry configuration information all are suitable for the embodiment of the invention.
Preferably, network side can carry the transmitting antenna indication information by DCI format (descending control information format) 0; Accordingly, subscriber equipment can receive the transmitting antenna indication information by DCI format 0.
Need to prove that the embodiment of the invention is not limited to carry by DCI format 0 mode of configuration information, other modes that can carry the transmitting antenna indication information all are suitable for the embodiment of the invention.
The emitting antenna selecting mode of mode two, SRS.
Concrete, in the step 202, subscriber equipment is according to the configuration information of receiving, when determining to need to send SRS, according to the setting order of each member carrier correspondence, many transmit antennas of use SRS is switched in circulation, and promptly subscriber equipment independently carries out the switching of SRS antenna at each CC respectively.
The transmission SRS here comprises periodic SRS transmission and acyclic SRS sends.
Such as subscriber equipment two transmit antennas are arranged, numbering is divided into other 0 and 1, if periodically send SRS, then uses many transmit antennas SRS according to the sequential loop of setting, be transmitting antenna 0, transmitting antenna 1, transmitting antenna 0, transmitting antenna 1, transmitting antenna 0 ... analogize in proper order.
Certainly, the order of She Dinging also can be to select transmitting antenna 1 earlier in force, selects transmitting antenna 0 at next delivery time, selects transmitting antenna 1....... to analogize in proper order at next delivery time.
Specifically order can be stipulated in agreement, also can be by the network side notifying user equipment.
Situation two, carrier aggregation are the continuous carrier polymerizations.Can comprise the emitting antenna selecting mode of PUSCH and the emitting antenna selecting mode of SRS again at situation two.
The emitting antenna selecting mode of mode one, PUSCH.
Concrete, in the step 202, subscriber equipment is determining to need to send PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively, and promptly at this moment subscriber equipment can oneself be chosen in to adopt which root antenna transmission PUSCH on the subframe that sends PUSCH in each member carrier respectively;
In the step 202, subscriber equipment determine to need is sending PUSCH, and when determining that according to the configuration information of receiving needs adopt closed-loop fashion, receives the transmitting antenna indication information from network side, and according to the transmitting antenna indication information, for current subframe is selected a transmit antennas.
Then, subscriber equipment needs to carry in the member carrier group on the member carrier of current subframe and uses the transmitting antenna of selecting for current subframe to send PUSCH.It is the transmitting antenna that uses on the identical different members carrier wave of transmitting antenna of subscriber equipment selection as same subframe.
That is to say that UE uses corresponding transmission antennas transmit PUSCH according to the transmitting antenna indication information on each UL CC.And, network side should be dispatched UE different UL CC on same subframe and use identical transmitting antenna, UE is not desirably in the transmitting antenna indication information indication of the corresponding different UL CC that receive the network side transmission on the same subframe and uses different transmitting antennas, if this scheduling has taken place network side, subscriber equipment can not respond such scheduling.
Concrete, when the complete inequality or part of the transmitting antenna that uses on the different members carrier wave of the same subframe that the indication of transmitting antenna indication information is selected was identical, subscriber equipment can not selected according to the transmitting antenna indication information on arbitrary member carrier.
Subscriber equipment is not selected according to the transmitting antenna indication information, and subscriber equipment can continue to wait for the transmitting antenna indication information of network side subsequently; Also can oneself select the transmitting antenna of each member carrier correspondence respectively, promptly oneself select the transmitting antenna that uses on the identical different members carrier wave of transmitting antenna as same subframe.
In force, network side can send the transmitting antenna indication information at this carrier wave on each carrier wave, go up the transmitting antenna indication information that sends at carrier wave A such as carrier wave A, carrier wave B goes up the transmitting antenna indication information that sends at carrier wave B, accordingly, subscriber equipment is received the transmitting antenna indication information on which carrier wave, just know this transmitting antenna indication information at be which carrier wave; Network side also can send the transmitting antenna indication information of all carrier waves on a carrier wave, corresponding, and subscriber equipment determines respectively according to identifier each transmitting antenna indication information is at which carrier wave.
Concrete open loop approach or the closed-loop fashion of adopting, network side can be configured by the RRC signaling, and promptly the configuration information in the mode one is that the open loop approach or the information of closed-loop fashion are adopted in indication, and can be carried in the RRC signaling.
Need to prove that the embodiment of the invention is not limited to carry by the RRC signaling mode of configuration information, other modes that can carry configuration information all are suitable for the embodiment of the invention.
Preferably, network side can carry the transmitting antenna indication information by DCI format 0; Accordingly, subscriber equipment can receive the transmitting antenna indication information by DCI format 0.
Can carry the transmitting antenna indication information by the DCI format 0 of each up link member carrier UL CC correspondence such as network side, be used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
Need to prove that the embodiment of the invention is not limited to carry by DCI format 0 mode of configuration information, other modes that can carry the transmitting antenna indication information all are suitable for the embodiment of the invention.
The emitting antenna selecting mode of mode two, SRS.
For the continuous carrier polymerization, because subscriber equipment shared transmission channel on a plurality of CC, subscriber equipment is identical with its last (comprising current subframe) employed transmit antenna number in specific UL CC in the numbering of the employed transmitting antenna of transmit uplink signal on a certain UL CC.
Concrete, in the step 202, subscriber equipment is when determining to need to send SRS, be chosen in the transmitting antenna that uses on the member carrier of appointment according to configuration information, subscriber equipment is selected the transmitting antenna that uses on other member carriers then, and wherein the numbering of the last transmitting antenna that uses is identical on the member carrier of the numbering of the transmitting antenna that uses on other member carriers of Xuan Zeing and appointment.The last time here comprises current subframe.
The transmission SRS here comprises periodic SRS transmission and acyclic SRS sends.
Preferably, the member carrier of appointment is the minimum member carrier of corresponding Cell Index (cell index number).
Such as subscriber equipment two transmit antennas are arranged, numbering is divided into other 0 and 1, if periodically send SRS, then uses many transmit antennas SRS according to the sequential loop of setting, be transmitting antenna 0, transmitting antenna 1, transmitting antenna 0, transmitting antenna 1, transmitting antenna 0 ... analogize in proper order.
Certainly, the order of She Dinging also can be to select transmitting antenna 1 earlier in force, selects transmitting antenna 0 at next delivery time, selects transmitting antenna 1....... to analogize in proper order at next delivery time.
Specifically order can be stipulated in agreement, also can be by the network side notifying user equipment.
In force, the emitting antenna selecting mode of the PUSCH in situation one and/or the situation two also can adopt the mode two in the situation two; The emitting antenna selecting mode of SRS in situation one and/or the situation two also can adopt the mode one in the situation two.
In force, situation one also can adopt mode one and/or the mode two in the situation two; Situation two also can adopt mode one and/or the mode two in the situation one.
For two examples situation two is elaborated respectively below.
As shown in Figure 7, the closed loop antenna of PUSCH is selected in the schematic diagram, with the subscriber equipment polymerization 3 UL CC be example, wherein a, b, c, d and e represent different PUSCH transmission subframes.The transmitting antenna indication information that subscriber equipment carries in DCI format 0 according to network side in each sub-frame of uplink uses identical transmitting antenna to go up emission PUSCH at each UL CC (up link).
AT0 among Fig. 7 represents transmitting antenna 0, and AT1 represents transmitting antenna 1.
Subscriber equipment is determined according to the transmitting antenna indication information that the transmission subframe a among the CC of the CC of CC, Cell Index=1 correspondence of Cell Index=0 correspondence and Cell Index=2 correspondence goes up and is selected AT0;
Subscriber equipment is determined according to the transmitting antenna indication information that the transmission subframe b among the CC of the CC of Cell Index=0 correspondence and CellIndex=2 correspondence goes up and is selected ATl;
Subscriber equipment is determined according to the transmitting antenna indication information that the transmission subframe a among the CC of the CC of CC, Cell Index=1 correspondence of Cell Index=0 correspondence and Cell Index=2 correspondence goes up and is selected AT1;
Subscriber equipment is determined according to the transmitting antenna indication information that the transmission subframe a among the CC of the CC of Cell Index=1 correspondence and CellIndex=2 correspondence goes up and is selected AT1;
Subscriber equipment is determined according to the transmitting antenna indication information that the transmission subframe a among the CC of the CC of CC, Cell Index=1 correspondence of Cell Index=0 correspondence and Cell Index=2 correspondence goes up and is selected AT0.
Be that the antenna at same subframe selection is all identical in the different members carrier wave.
Which root antenna network side can adopt according to current network performance indication subscriber equipment.Such as offered load, network congestion degree etc.
As shown in Figure 8, the antenna of SRS switches in the schematic diagram, with the subscriber equipment polymerization 3 UL CC be example, wherein m, n, o, p, q, r, s and t represent different sub-frame of uplink, base station configuration subscriber equipment on 3 UL CC, send SRS respectively, and corresponding SRS cycle and subframe position have nothing in common with each other (being sent as example with periodicity SRS here).Subscriber equipment can carry out the SRS transmitting antenna alternately by turns according to the mode of Re1-8/9 regulation in the minimum UL CC of cell index, the UL CC that this cellindex is minimum here is the Pcell of this subscriber equipment.The numbering that sends the employed transmitting antenna of SRS on other UL CC always numbering with the minimum UL CC employed transmitting antenna in the last (comprising current subframe) of cellindex is identical.
AT0 among Fig. 8 represents transmitting antenna 0, and AT1 represents transmitting antenna 1.
Subscriber equipment is being selected to select AT1 on AT0, the transmission subframe o, is being transmitted and select on the subframe q to select AT1 on AT0, the transmission subframe s according to the mode of Re1-8/9 regulation on the transmission subframe m of the CC of Cell Index=0 correspondence.
Accordingly, on the transmission subframe n of the CC of Cell Index=1 correspondence, select AT0 (identical with the transmission subframe m of the corresponding CC of Cell Index=0, promptly identical with last subframe), transmission subframe p goes up and selects AT1 (identical with the transmission subframe o of the corresponding CC of Cell Index=0, promptly identical with last subframe), transmission subframe r goes up and selects AT0 (identical with the transmission subframe q of the corresponding CC of Cell Index=0, promptly identical with last subframe), transmission subframe s goes up and selects AT1 (identical, promptly identical with current subframe with the transmission subframe s of the corresponding CC of Cell Index=0);
On the transmission subframe m of the CC of Cell Index=2 correspondence, select AT0 (identical with the transmission subframe m of the corresponding CC of Cell Index=0, promptly identical with current subframe), transmission subframe p goes up and selects AT1 (identical with the transmission subframe o of the corresponding CC of Cell Index=0, promptly identical with last subframe), transmission subframe s goes up and selects AT1 (identical, promptly identical with current subframe with the transmission subframe s of the corresponding CC of Cell Index=0).
Based on same inventive concept, a kind of system of selecting the equipment of transmitting antenna and selecting transmitting antenna also is provided in the embodiment of the invention, because these equipment select the method for transmitting antenna similar with the principle that system deals with problems to the embodiment of the invention, therefore the enforcement of these equipment and system can repeat part and repeat no more referring to the enforcement of method.
As shown in Figure 3, the embodiment of the invention is selected the equipment of transmitting antenna, is applied to carrier aggregation, and wherein this equipment has many transmit antennas, comprising: receiver module 100 and selection module 110.
Preferably, select module 110 determining to need to send PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self select the transmitting antenna of each member carrier correspondence respectively; Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs are used closed-loop fashion, reception is from the transmitting antenna indication information of network side, and selects the transmitting antenna of each member carrier correspondence according to the transmitting antenna indication information.
Preferably, select module 110 according to the configuration information of receiving, when determining to send detection reference signal SRS, according to the setting order of each member carrier correspondence, many transmit antennas of use SRS is switched in circulation.
Preferably, select module 110 determining to need to send PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self select the transmitting antenna of each member carrier correspondence respectively; Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs adopt closed-loop fashion, receiving transmitting antenna indication information, and be that current subframe is selected a transmit antennas according to the transmitting antenna indication information from network side.
Preferably, selecting module 110 to need to carry in the member carrier group on the member carrier of current subframe uses the transmitting antenna of selecting for current subframe to send PUSCH.Promptly select module 110 to select the transmitting antenna that uses on the identical different members carrier wave of transmitting antenna as same subframe.
Preferably, when the complete inequality or part of the transmitting antenna of selecting module 110 to use on the different members carrier wave of the same subframe that the indication of transmitting antenna indication information is selected is identical, on arbitrary member carrier, do not select according to the transmitting antenna indication information.
Preferably, select module 110 when determining to need to send SRS, be chosen in the transmitting antenna that uses on the member carrier of appointment according to configuration information; Select the transmitting antenna that uses on other member carriers, wherein the numbering of the last transmitting antenna that uses is identical on the member carrier of the numbering of the transmitting antenna that uses on other member carriers of Xuan Zeing and appointment.
Preferably, the member carrier of appointment is the member carrier of the Cell Index minimum of correspondence.
As shown in Figure 4, the embodiment of the invention is selected the system of transmitting antenna, is applied to carrier aggregation, comprising: network equipment 10 and the subscriber equipment 20 that many transmit antennas are arranged.
The subscriber equipment 20 that many transmit antennas are arranged is used for selecting transmitting antenna according to the configuration information of receiving from network equipment 10.
As shown in Figure 9, the method for embodiment of the invention transmission configuration information comprises the following steps:
Preferably, in the step 902, network side carries the transmitting antenna indication information by the DCI format 0 of each UL CC correspondence, is used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
As shown in figure 10, the equipment of embodiment of the invention transmission configuration information comprises: determination module 1001 and sending module 1002.
Determination module 1001 is used for determining configuration information.
Sending module 1002 is used for sending the configuration information that determination module 1001 is determined to user terminal, is used for indicating user terminal and selects transmitting antenna according to configuration information.
Preferably, sending module 1002 carries the transmitting antenna indication information by the DCIformat 0 of each up link member carrier UL CC correspondence, is used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Can select transmitting antenna owing to be implemented under the carrier aggregation environment subscriber equipment, make the subscriber equipment have the multicarrier transmitting capacity and to have an antenna selection function can under the carrier aggregation environment, normally use the antenna selection function, thus the transmission performance and the resource utilization of raising subscriber equipment.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (24)
1. a method of selecting transmitting antenna is applied to carrier aggregation, it is characterized in that, this method comprises:
The configuration information that the subscriber equipment reception network side of many transmit antennas is arranged;
Described subscriber equipment is selected transmitting antenna according to the configuration information of receiving.
2. the method for claim 1 is characterized in that, described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment determine to need is sending Physical Uplink Shared Channel PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively;
Described subscriber equipment is determining to need to send PUSCH, and when determining that according to the configuration information of receiving needs are used closed-loop fashion, reception is from the transmitting antenna indication information of network side, and selects the transmitting antenna of each member carrier correspondence according to described transmitting antenna indication information.
3. the method for claim 1 is characterized in that, described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment is according to the configuration information of receiving, when determining to send detection reference signal SRS, according to the setting order of each member carrier correspondence, many transmit antennas of use SRS is switched in circulation.
4. the method for claim 1 is characterized in that, described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment determine to need is sending PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively;
Described subscriber equipment is determining to need to send PUSCH, and when determining that according to the configuration information of receiving needs adopt closed-loop fashion, reception is from the transmitting antenna indication information of network side, and according to described transmitting antenna indication information, for current subframe is selected a transmit antennas.
5. method as claimed in claim 4 is characterized in that, described subscriber equipment needs to carry in the member carrier group on the member carrier of current subframe and uses the transmitting antenna of selecting for current subframe to send PUSCH.
6. method as claimed in claim 4 is characterized in that, described subscriber equipment also comprises before receiving the transmitting antenna indication information:
Described network side carries the transmitting antenna indication information by the descending control information format DCI format 0 of each up link member carrier UL CC correspondence, is used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
7. method as claimed in claim 4 is characterized in that, this method also comprises:
When complete inequality the or part of the transmitting antenna that uses on the different members carrier wave of the same subframe that the indication of described transmitting antenna indication information is selected was identical, described subscriber equipment was not selected according to described transmitting antenna indication information on arbitrary member carrier.
8. the method for claim 1 is characterized in that, described carrier aggregation is the continuous carrier polymerization;
Described subscriber equipment selects transmitting antenna to comprise:
Described subscriber equipment is chosen in the transmitting antenna that uses on the member carrier of appointment according to described configuration information when determining to need to send SRS;
Described subscriber equipment is selected the transmitting antenna that uses on other member carriers, and wherein the numbering of the last transmitting antenna that uses is identical on the member carrier of the numbering of the transmitting antenna that uses on other member carriers of Xuan Zeing and appointment.
9. method as claimed in claim 8 is characterized in that, the member carrier of described appointment is the member carrier of corresponding district call number Cell Index minimum.
10. as the arbitrary described method of claim 1～9, it is characterized in that described carrier aggregation is the discontinuous carrier polymerization or strides the frequency range carrier aggregation or the continuous carrier polymerization.
11. an equipment of selecting transmitting antenna is applied to carrier aggregation, this equipment has many transmit antennas, it is characterized in that, this equipment comprises:
Receiver module is used to receive the configuration information of network side;
Select module, be used for selecting transmitting antenna according to the configuration information of receiving.
12. equipment as claimed in claim 11 is characterized in that, described selection module specifically is used for:
Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively; Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs are used closed-loop fashion, reception is from the transmitting antenna indication information of network side, and selects the transmitting antenna of each member carrier correspondence according to described transmitting antenna indication information.
13. equipment as claimed in claim 11 is characterized in that, described selection module specifically is used for:
According to the configuration information of receiving, when determining to need to send detection reference signal SRS,, circulate to switch and use many transmit antennas SRS according to the setting order of each member carrier correspondence.
14. equipment as claimed in claim 11 is characterized in that, described selection module specifically is used for:
Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs adopt open loop approach, self selects the transmitting antenna of each member carrier correspondence respectively; Determine to need sending PUSCH, and when determining that according to the configuration information of receiving needs adopt closed-loop fashion, receiving transmitting antenna indication information from network side, and according to described transmitting antenna indication information, for current subframe is selected a transmit antennas.
15. equipment as claimed in claim 14 is characterized in that, described selection module also is used for:
Needing to carry in the member carrier group on the member carrier of current subframe uses the transmitting antenna of selecting for current subframe to send PUSCH.
16. equipment as claimed in claim 14 is characterized in that, described selection module also is used for:
When complete inequality the or part of the transmitting antenna that uses on the different members carrier wave of the same subframe that the indication of described transmitting antenna indication information is selected is identical, on arbitrary member carrier, do not select according to described transmitting antenna indication information.
17. equipment as claimed in claim 11 is characterized in that, described selection module specifically is used for:
When determining to need to send SRS, be chosen in the transmitting antenna that uses on the member carrier of appointment according to described configuration information; Select the transmitting antenna that uses on other member carriers, wherein the numbering of the last transmitting antenna that uses is identical on the member carrier of the numbering of the transmitting antenna that uses on other member carriers of Xuan Zeing and appointment.
18. equipment as claimed in claim 17 is characterized in that, the member carrier of described appointment is the member carrier of the Cell Index minimum of correspondence.
19., it is characterized in that described carrier aggregation is the discontinuous carrier polymerization or strides the frequency range carrier aggregation or the continuous carrier polymerization as the arbitrary described equipment of claim 11～18.
20. a method that sends configuration information is applied to carrier aggregation, it is characterized in that, this method comprises:
Network side is determined configuration information;
Described network side sends the configuration information of determining to user terminal, is used for indicating user terminal and selects transmitting antenna according to described configuration information.
21. method as claimed in claim 20 is characterized in that, described network side sends the configuration information of determining and comprises:
Described network side carries the transmitting antenna indication information by the DCI format 0 of each UL CC correspondence, is used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
22. an equipment that sends configuration information is applied to carrier aggregation, it is characterized in that, this equipment comprises:
Determination module is used for determining configuration information;
Sending module is used for sending the configuration information of determining to user terminal, is used for indicating user terminal and selects transmitting antenna according to described configuration information.
23. equipment as claimed in claim 22 is characterized in that, described sending module specifically is used for:
DCI format 0 by each UL CC correspondence carries the transmitting antenna indication information, is used for indicating subscriber equipment to use identical transmitting antenna to send PUSCH at the corresponding UL CC of same sub-frame of uplink.
24. a system of selecting transmitting antenna is characterized in that, this system comprises:
Network equipment is used to send configuration information;
The subscriber equipment that many transmit antennas are arranged is used for selecting transmitting antenna according to the configuration information of receiving.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110122324.9A CN102185642B (en) | 2011-05-12 | 2011-05-12 | Method, system and equipment for transmitting configuration information and selecting transmission antenna |
| PCT/CN2012/073156 WO2012152146A1 (en) | 2011-05-12 | 2012-03-27 | Method, system and device for transmitting configuration information and selecting transmitting antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110122324.9A CN102185642B (en) | 2011-05-12 | 2011-05-12 | Method, system and equipment for transmitting configuration information and selecting transmission antenna |
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| Publication Number | Publication Date |
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| CN102185642A true CN102185642A (en) | 2011-09-14 |
| CN102185642B CN102185642B (en) | 2014-10-15 |
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| CN201110122324.9A Active CN102185642B (en) | 2011-05-12 | 2011-05-12 | Method, system and equipment for transmitting configuration information and selecting transmission antenna |
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| CN (1) | CN102185642B (en) |
| WO (1) | WO2012152146A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012152146A1 (en) * | 2011-05-12 | 2012-11-15 | 电信科学技术研究院 | Method, system and device for transmitting configuration information and selecting transmitting antennas |
| WO2013185733A3 (en) * | 2012-12-28 | 2014-02-13 | 中兴通讯股份有限公司 | Multi-antenna transmission method, terminal and base station |
| US8855576B2 (en) | 2011-09-27 | 2014-10-07 | Thomson Licensing | Apparatus and method for setting the operation of an antenna |
| CN107534528A (en) * | 2016-02-04 | 2018-01-02 | 华为技术有限公司 | PUSCH transmission method and user equipment in LAA LTE systems |
| WO2018018603A1 (en) * | 2016-07-29 | 2018-02-01 | 华为技术有限公司 | User equipment (ue) and channel quality measurement method |
| CN108886443A (en) * | 2016-03-24 | 2018-11-23 | 高通股份有限公司 | Probing reference signal for carrier aggregation transmits |
| CN110071749A (en) * | 2018-01-22 | 2019-07-30 | 华为技术有限公司 | A kind of antenna selection and indication method, device and system |
| WO2019183960A1 (en) * | 2018-03-30 | 2019-10-03 | 华为技术有限公司 | Method for selecting antenna, and related apparatus |
| WO2020164638A1 (en) * | 2019-02-15 | 2020-08-20 | 华为技术有限公司 | Antenna parameter adjustment method and related apparatus |
| WO2023060498A1 (en) * | 2021-10-14 | 2023-04-20 | Qualcomm Incorporated | Ue reporting of suitable srs configuration |
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| CN104426591A (en) * | 2013-08-29 | 2015-03-18 | 中兴通讯股份有限公司 | Method and terminal for treating carrier aggregation interference |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012152146A1 (en) * | 2011-05-12 | 2012-11-15 | 电信科学技术研究院 | Method, system and device for transmitting configuration information and selecting transmitting antennas |
| US8855576B2 (en) | 2011-09-27 | 2014-10-07 | Thomson Licensing | Apparatus and method for setting the operation of an antenna |
| WO2013185733A3 (en) * | 2012-12-28 | 2014-02-13 | 中兴通讯股份有限公司 | Multi-antenna transmission method, terminal and base station |
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| CN107534528A (en) * | 2016-02-04 | 2018-01-02 | 华为技术有限公司 | PUSCH transmission method and user equipment in LAA LTE systems |
| CN107534528B (en) * | 2016-02-04 | 2020-03-20 | 华为技术有限公司 | PUSCH transmission method in LAA-LTE system and user equipment |
| CN108886443A (en) * | 2016-03-24 | 2018-11-23 | 高通股份有限公司 | Probing reference signal for carrier aggregation transmits |
| CN108886443B (en) * | 2016-03-24 | 2021-11-16 | 高通股份有限公司 | Sounding reference signal transmission for carrier aggregation |
| CN109565331A (en) * | 2016-07-29 | 2019-04-02 | 华为技术有限公司 | User equipment (UE) and signal channel quality measuring method |
| WO2018018603A1 (en) * | 2016-07-29 | 2018-02-01 | 华为技术有限公司 | User equipment (ue) and channel quality measurement method |
| CN110071749A (en) * | 2018-01-22 | 2019-07-30 | 华为技术有限公司 | A kind of antenna selection and indication method, device and system |
| WO2019183960A1 (en) * | 2018-03-30 | 2019-10-03 | 华为技术有限公司 | Method for selecting antenna, and related apparatus |
| WO2020164638A1 (en) * | 2019-02-15 | 2020-08-20 | 华为技术有限公司 | Antenna parameter adjustment method and related apparatus |
| WO2023060498A1 (en) * | 2021-10-14 | 2023-04-20 | Qualcomm Incorporated | Ue reporting of suitable srs configuration |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012152146A1 (en) | 2012-11-15 |
| CN102185642B (en) | 2014-10-15 |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210316 Address after: 100083 No. 29, Haidian District, Beijing, Xueyuan Road Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |