CN108390707A - A kind of method and apparatus in the UE for being used for multi-antenna transmission, base station - Google Patents

A kind of method and apparatus in the UE for being used for multi-antenna transmission, base station Download PDF

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Publication number
CN108390707A
CN108390707A CN201611123939.2A CN201611123939A CN108390707A CN 108390707 A CN108390707 A CN 108390707A CN 201611123939 A CN201611123939 A CN 201611123939A CN 108390707 A CN108390707 A CN 108390707A
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China
Prior art keywords
antenna port
channel quality
port group
threshold
beam shaping
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CN201611123939.2A
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CN108390707B (en
Inventor
张晓博
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Shanghai Langbo Communication Technology Co Ltd
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Shanghai Langbo Communication Technology Co Ltd
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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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention proposes a kind of UE for multi-antenna transmission, the method and apparatus in base station.UE receives the first signaling successively, receives the first wireless signal and sends the first information.First signaling is used for determining K antenna port group.The K antenna port group be used to send first wireless signal.The antenna port group includes the positive integer antenna port.The first information is used for determining K1 antenna port group in the K antenna port group.The K1 antenna port group corresponds to K1 channel quality value.Any one channel quality value in the K1 channel quality value is less than or equal to the result that the first reference channel quality subtracts first threshold.The K is positive integer.The K1 is the positive integer less than or equal to K.The first threshold is nonnegative real number.The present invention effectively increases the flexibility of multiuser MIMO scheduling, reduces the complexity of multiuser MIMO scheduling, can further increase throughput of system and reduce the time delay of transmission.

Description

A kind of method and apparatus in the UE for being used for multi-antenna transmission, base station
Technical field
The present invention relates to the schemes of the multi-antenna transmission in wireless communication system.
Background technology
(Massive) MIMO (Multi-Input Multi-Output) becomes one of next generation mobile communication on a large scale Research hotspot.In extensive MIMO, mutiple antennas is formed one certain party of relatively narrow beam position and is always carried by beam shaping High communication quality.Extensive MIMO can also form different directions by mutiple antennas, while service multiple users, to improve The handling capacity of extensive mimo system, reduces propagation delay time.
According to 3GPP (3rd Generation Partner Project, third generation cooperative partner program) RAN1 (Radio Access Network, wireless access network) discussion, extensive MIMO become NR (New Radio technology, novel nothing Line technology) system an important research direction.
In extensive mimo system, multiuser MIMO be for improving throughput of system important technology, how By the optimization multi-subscriber dispatching that reports of UE to improve throughput of system it is one urgently to be resolved hurrily in extensive mimo system Problem.
Invention content
The present invention discloses a kind of scheme regarding to the issue above.It should be noted that in the absence of conflict, the application UE in embodiment and embodiment in feature can be applied in base station, vice versa.Further, in the feelings not conflicted Under condition, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
The invention discloses a kind of methods in UE for multi-antenna transmission, wherein includes the following steps：
Step A. receives the first signaling；
Step B. receives the first wireless signal；
Step C. sends the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group be used to send First wireless signal.The antenna port group includes the positive integer antenna port.The first information is used for Determine K1 antenna port group in the K antenna port group.The K1 antenna port group corresponds to K1 channel quality value. Any one channel quality value in the K1 channel quality value subtracts first less than or equal to the first reference channel quality The result of threshold value.The K is positive integer.The K1 is the positive integer less than or equal to K.The first threshold is non-negative reality Number.
As one embodiment, the above method is advantageous in that through K1 poor antenna port of UE reporting channel qualities Group, as a kind of scheduling of multiuser MIMO, base station can call other UE with the associated wave of K1 antenna port group It is transmitted on Shu Fangxiang, and the transmission will not give and carry out larger interference to the transmission belt of the UE.
As one embodiment, the first signaling explicit instruction K antenna port group.
As one embodiment, the first signaling implicit instruction K antenna port group.
As one embodiment, first signaling is semi-static signaling.
As one embodiment, first signaling is high-level signaling.
As one embodiment, first signaling includes one or more RRC IE (Information Element, information unit).
As one embodiment, first signaling is dynamic signaling.
As one embodiment, first signaling is physical layer signaling.
As one embodiment, first signaling (is simply possible to use in carrying physical layer by down physical layer control channel The down channel of signaling) carrying.
As one embodiment, the down physical layer control channel is PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel).
As one embodiment, the down physical layer control channel is sPDCCH (short PDCCH).
As one embodiment, the first signaling bear DCI (Downlink Control Information, the Downlink Control Information)。
As one embodiment, (fast downlink controls information, fast Downlink to the first signaling bear fastDCI Control Information)。
As one embodiment, first signaling is that cell is public.
As one embodiment, first signaling is for the UE.
As one embodiment, for first signaling for set of terminal, the set of terminal includes multiple terminals, institute It is a terminal in the set of terminal to state UE.
As one embodiment, first signaling (is simply possible to use in the downlink letter of carrying broadcast singal in broadcast channel Road) on transmit.
As one embodiment, the broadcast channel includes that (Physical Broadcast CHannel, physics are wide by PBCH Broadcast channel).
As one embodiment, first wireless signal is multicarrier symbol.
As one embodiment, first wireless signal is single-carrier symbol.
As one embodiment, first wireless signal is OFDM (Orthogonal Frequency-Division Multiplexing, orthogonal frequency division multiplexing) symbol.
As one embodiment, first wireless signal is FBMC (Filter Bank MultiCarrier, filtering group Multicarrier) symbol.
As one embodiment, first wireless signal is SC-FDMA (Single-Carrier Frequency- Division Multiple Access, single-carrier frequency division multiple access) symbol.
As one embodiment, first wireless signal is the reference signal associated by the K antenna port group.
As one embodiment, first wireless signal is the wireless resource block sent by the K antenna port group.
As one embodiment, first wireless signal includes { PSS (Primary Synchronization Signal, primary synchronization signal), SSS (Secondary Synchronization Signal, secondary synchronization signal), MIB (Master Information Block, Master Information Block)/SIB (System Information Block, system information block), CSI-RS (Channel State Information Reference Signal, channel state information reference signals) } in It is one or more.
As one embodiment, the antenna port is to pass through antenna virtualization by more physical antennas (Virtualization) it is formed by stacking, the mapping coefficient of the more physical antennas to the antenna port forms beam shaping Vector is used for the antenna virtualization.
As one embodiment, the beam shaping vector corresponding to the different antenna port of any two, which cannot be assumed to be, is It is identical.
As one embodiment, the small dimensional properties of wireless channel that signal that an antenna port is sent is undergone cannot The small dimensional properties of wireless channel undergone for inferring the signal that another antenna port is sent.
As one embodiment, an antenna port is associated with a reference signal.
As one embodiment, pattern of the running time-frequency resource in a subframe shared by the reference signal reuses CSI-RS Pattern in a subframe.
As one embodiment, the reference signal is CSI-RS.
As one embodiment, the sequence corresponding to the reference signal is Zadoff-Chu sequence.
As one embodiment, the sequence corresponding to the reference signal is pseudo-random sequence.
As one embodiment, the occupied time-domain resource of reference signal and { when the first information is occupied Domain resource, the occupied time-domain resource of the first wireless signal } at least one of it is associated.
As one embodiment, the occupied frequency domain resource of reference signal and { the occupied frequency of the first information Domain resource, the occupied frequency domain resource of the first wireless signal } at least one of it is associated.
As one embodiment, the occupied frequency domain resource of reference signal is configurable.
As one embodiment, the K antenna port group is associated with K reference signal group respectively.
As one embodiment, the antenna port group includes mutiple antennas port.
As one embodiment, the antenna port group only includes an antenna port.
As one embodiment, K beam shaping Vector Groups are respectively used to the transmission by the K antenna port group.
As one embodiment, K beam shaping Vector Groups are respectively used to send the K reference signal group.
As one embodiment, K analog beam excipient Vector Groups are respectively used to the hair by the K antenna port group It send.
As one embodiment, K analog beam excipient Vector Groups are respectively used to send the K reference signal group.
As one embodiment, the beam shaping Vector Groups include multiple beam shaping vectors.
As one embodiment, the beam shaping vector class value includes a beam shaping vector.
As one embodiment, the analog beam excipient Vector Groups include multiple analog beam excipient vectors.
As one embodiment, the analog beam excipient vector class value includes an analog beam excipient vector.
As one embodiment, the occupied interface-free resources of antenna port are different from occupied by another antenna port Interface-free resources.
As one embodiment, the occupied interface-free resources of reference signal are different from occupied by another reference signal Interface-free resources.
As one embodiment, the interface-free resources include { time-domain resource, frequency domain resource, code domain resource } at least it One.
As one embodiment, there are the reference signals that at least two antenna ports are sent in the K antenna port group Pattern (Pattern) in time/frequency source block is identical.
As one embodiment, the time/frequency source block is PRBP (Physical Resource Block Pair, physics Resource block).
As one embodiment, the time/frequency source block occupies W subcarrier on frequency domain, occupies in the time domain one wide Tape symbol.The wherein described W is greater than 1 positive integer.
As one embodiment, the wideband symbol is one kind in { OFDM symbol, SC-FDMA symbols, SCMA symbols }.
As one embodiment, first wireless signal is by the mode that the K antenna port group is sent：Described One wireless signal includes the K reference signal group, and the corresponding beam shaping Vector Groups of the K reference signal group are used for point The K reference signal group is not mapped on one group of physical antenna and is sent.
As one embodiment, the K antenna port group corresponds to K time-domain resource respectively, and the K time resource is just It hands over.
As one embodiment, the K antenna port group corresponds to P1 time-domain resource, and the P1 is less than the just whole of K Number.
As one embodiment, the K1 antenna port group corresponds to K1 reference signal group.The K1 channel quality Value is that basis obtains the measurement of the K1 reference signal group.
As one embodiment, the K1 is equal to 1.
As one embodiment, the K1 is more than 1.
As one embodiment, the K1 is default.
As one embodiment, the K1 is base station configuration.
As one embodiment, the K1 is that the UE is calculated.
As one embodiment, the first information explicit instruction K1 antenna port group.
As one embodiment, the first information implicit instruction K1 antenna port group.
As one embodiment, bit map (bitmap) be used to determine the K1 antenna in the first information Port set.
As one embodiment, the first information includes CRI (CSI-RS Resource Indicator, CSI-RS moneys Source indicates), the CRI indicates the K1 antenna port group pair from the corresponding CSI-RS resource of the K antenna port group The CSI-RS resource answered.
As one embodiment, the corresponding physical layer channel of the first information include upstream physical layer control channel (i.e. It is simply possible to use in the up channel of carrying physical layer signaling).
As one embodiment, the upstream physical layer control channel is PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel).
As one embodiment, the first information is RACH leading (Preamble), the sequence leading RACH, The leading occupied running time-frequency resources of RACH } at least one of be used for determining the first antenna port set.
As one embodiment, the corresponding physical layer channel of the first information includes PRACH (Physical Random Access CHannel, Physical Random Access Channel).
As one embodiment, the unit of the channel quality is dB, and the unit of the first threshold is dB.
As one embodiment, the unit of the channel quality is dBm, and the unit of the first threshold is dB.
As one embodiment, the unit of the channel quality is dBm, and the unit of the first threshold is dBm.
As one embodiment, the unit of the channel quality is milliwatt, and the unit of the first threshold is milliwatt.
As one embodiment, the channel quality includes { RSRP (Reference Signal Receiving Power, Reference Signal Received Power), (Reference Signal Receiving Quality, reference signal receive RSRQ At least one of quality), SINR (Signal Interference Noise Ratio, Signal Interference and Noise Ratio) }.
As one embodiment, the first reference channel quality is default.
As one embodiment, the first reference channel quality is base station configuration.
As one embodiment, the first reference channel quality is that the UE is calculated.
As one embodiment, the calculation of the first reference channel quality is base station configuration.
As one embodiment, the first reference channel quality is the antenna port pair in the K antenna port group The maximum value for the channel quality answered.
As one embodiment, the first reference channel quality is the antenna port pair in the K antenna port group The average value for the channel quality answered.
As one embodiment, the first reference channel quality is that the K1 day is removed in the K antenna port group The corresponding worst channel quality of corresponding antenna port except line port set.
As one embodiment, the first threshold is default.
As one embodiment, the first threshold is 0.
As one embodiment, the first threshold is base station configuration.
As one embodiment, the first threshold is that the UE is calculated.
As one embodiment, the first threshold is that the K1 antenna port group is removed in the K antenna port group Except the antenna port that subtracts in the K1 antenna port group of the corresponding worst channel quality of corresponding antenna port it is corresponding Best channel qualities.
As one embodiment, the first information is used for multiuser MIMO.
As one embodiment, the first information is used for multiple cell interference coordination.
As one embodiment, the first information is used for CoMP, and (Coordinated MultiPoint, cooperation are more Point) technology.
As one embodiment, the first information is used for cooperative scheduling (Coordinated Scheduling).
As one embodiment, the first information is used for cooperative beam excipient (Coordinated Beamforming)。
Specifically, according to an aspect of the present invention, which is characterized in that the first information is also used for determining the K K2 antenna port group in a antenna port group.The K2 antenna port group corresponds to K2 channel quality value.The K2 Any one channel quality value in channel quality value is more than or equal to the knot that the second reference channel quality adds second threshold Fruit.The K2 is less than or the positive integer equal to K.The second threshold is nonnegative real number.
As one embodiment, the above method is advantageous in that, the associated beam shaping of K2 antenna port group to Amount is determined for the wave beam at least one { data are sent, and reference signal is sent, and control signaling is sent } of the UE Excipient vector, to improve the received signal power of the UE.
As one embodiment, the K2 antenna port group corresponds to K2 reference signal group.The K2 channel quality Value is that basis obtains the measurement of the K2 reference signal group.
As one embodiment, the K is more than or equal to the result that the K1 adds the K2.
As one embodiment, the K2 is equal to 1.
As one embodiment, the K2 is more than 1.
As one embodiment, the K2 is default.
As one embodiment, the K2 is base station configuration.
As one embodiment, the K2 is that the UE is calculated.
As one embodiment, the first information explicit instruction K2 antenna port group.
As one embodiment, the first information implicit instruction K2 antenna port group.
As one embodiment, bit map be used to determine the K2 antenna port group in the first information.
As one embodiment, a ternary character string be used to determine the K1 antenna in the first information Port set and the K2 antenna port group.The ternary character string corresponds to the K antenna port group.It is described ternary The length of character string is K.
As one embodiment, the 0 of the ternary character string indicates that corresponding antenna port group is the K1 antenna An antenna port group in port set；The 1 of the ternary character string indicates that corresponding antenna port group is the K2 day An antenna port group in line port set；The 2 of the ternary character string indicate that corresponding antenna port group had both been not belonging to institute K1 antenna port group is stated, the K2 antenna port group is also not belonging to.
As one embodiment, the corresponding string of binary characters of the ternary character string is used in the first information The middle determination K1 antenna port group and the K2 antenna port group.
As one embodiment, the corresponding decimal value of the string of binary characters is corresponding with the ternary character string Decimal value is identical.
As one embodiment, the corresponding decimal value of the string of binary characters is corresponding with the ternary character string Decimal value differs a fixed decimal value.
As one embodiment, the first information includes CRI, and the CRI is corresponding from the K antenna port group The corresponding CSI-RS resource of the K2 antenna port group is indicated in CSI-RS resource.
As one embodiment, the unit of the channel quality is dB, and the unit of the second threshold is dB.
As one embodiment, the unit of the channel quality is dBm, and the unit of the second threshold is dB.
As one embodiment, the unit of the channel quality is dBm, and the unit of the second threshold is dBm.
As one embodiment, the unit of the channel quality is milliwatt, and the unit of the second threshold is milliwatt.
As one embodiment, the second reference channel quality is default.
As one embodiment, the second reference channel quality is base station configuration.
As one embodiment, the second reference channel quality is that the UE is calculated.
As one embodiment, the calculation of the second reference channel quality is base station configuration
As one embodiment, the second reference channel quality is the antenna port pair in the K antenna port group The minimum value for the channel quality answered.
As one embodiment, the second reference channel quality is the antenna port pair in the K antenna port group The average value for the channel quality answered.
As one embodiment, the second reference channel quality is that the K2 day is removed in the K antenna port group The corresponding best channel qualities of corresponding antenna port except line port set.
As one embodiment, the first reference channel quality is channel matter worst in the K2 channel quality value Magnitude.
As one embodiment, the second reference channel quality is channel matter best in the K1 channel quality value Magnitude.
As one embodiment, the second reference channel quality is equal to the first reference channel quality.
As one embodiment, the second threshold is default
As one embodiment, the second threshold is 0.
As one embodiment, the second threshold is base station configuration.
As one embodiment, the second threshold is that the UE is calculated
As one embodiment, the second threshold is that the antenna port in the K2 antenna port group is corresponding worst Channel quality subtracts in the K antenna port group that corresponding antenna port is corresponding most in addition to the K2 antenna port group Good channel quality.
Specifically, according to an aspect of the present invention, which is characterized in that first signaling is also used for determining { described First reference channel quality, the calculation of the first reference channel quality, the first threshold, second reference channel Quality, the calculation of the second reference channel quality, the second threshold, the K1, the K2, K3, K4 } at least One of.Wherein, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 be used to limit The value of the fixed K2, the K2 are less than or equal to the K4.
As one embodiment, the above method is advantageous in that, can flexibly be matched to the reporting schemes of the UE It sets.
As one embodiment, the explicit instruction of first signaling { the first reference channel quality, first ginseng Examine the calculation of channel quality, the first threshold, the second reference channel quality, the second reference channel quality At least one of calculation, the second threshold, the K1, the K2, K3, K4 }.
As one embodiment, the implicit instruction of first signaling { the first reference channel quality, first ginseng Examine the calculation of channel quality, the first threshold, the second reference channel quality, the second reference channel quality At least one of calculation, the second threshold, the K1, the K2, K3, K4 }.
As one embodiment, first signaling is used for determining the first threshold, the first reference channel matter Amount is measured by the UE, is calculated.
As one embodiment, first signaling is used for determining the second threshold, the second reference channel matter Amount is measured by the UE, is calculated.
As one embodiment, first signaling is used for determining the first reference channel quality, first threshold Value is measured by the UE, is calculated.
As one embodiment, first signaling is used for determining the second reference channel quality, second threshold Value is measured by the UE, is calculated.
As one embodiment, first signaling is used for determining the calculation of the first reference channel quality, described The calculation of first reference channel quality is：The first reference channel quality is the antenna in the K antenna port group The maximum value of the corresponding channel quality in port.
As one embodiment, first signaling is used for determining the calculation of the first reference channel quality, described The calculation of first reference channel quality is：The first reference channel quality is the antenna in the K antenna port group The average value of the corresponding channel quality in port.
As one embodiment, first signaling is used for determining the calculation of the first reference channel quality, described The calculation of first reference channel quality is：The first reference channel quality is in the K antenna port group except described The corresponding worst channel quality of corresponding antenna port except K1 antenna port group.
As one embodiment, first signaling is used for determining the calculation of the first reference channel quality, described The calculation of first reference channel quality is：The first reference channel quality is worst in the K2 channel quality value Value.
As one embodiment, first signaling is used for determining the calculation of the second reference channel quality, described The calculation of second reference channel quality is：The second reference channel quality is the antenna in the K antenna port group The worst-case value of the corresponding channel quality in port.
As one embodiment, first signaling is used for determining the calculation of the second reference channel quality, described The calculation of second reference channel quality is：The second reference channel quality is the antenna in the K antenna port group The average value of the corresponding channel quality in port.
As one embodiment, first signaling is used for determining the calculation of the second reference channel quality, described The calculation of second reference channel quality is：The second reference channel quality is in the K antenna port group except described The corresponding best channel qualities of corresponding antenna port except K2 antenna port group.
First signaling is used for determining the calculation of the second reference channel quality, the second reference channel quality Calculation be：The second reference channel quality is the best values in the K1 channel quality value.
As one embodiment, first signaling is used for determining that the K3, the K1 are equal to the K3.The K Antenna port group corresponds to K channel quality value.P1 channel quality value in the K channel quality value is less than or equal to institute The sum that the first reference channel quality adds the first threshold is stated, the P1 is more than the K3.
As one embodiment, the K1 channel quality value is K1 channel worst in the P1 channel quality value Mass value.
As one embodiment, first signaling is used for determining that the K3, the K1 are less than or equal to the K3. The K antenna port group corresponds to K channel quality value.In the K channel quality value except the K1 channel quality value with Any one outer is both greater than the sum that the first reference channel quality adds the first threshold.
As one embodiment, first signaling is used for determining the K1, the first reference channel quality and institute First threshold is stated to be measured, be calculated by the UE.The K1 channel quality value is worst in the K channel quality value K1 channel quality value.The first reference channel quality is that the K1 channel quality is removed in the K channel quality value Worst channel quality value in value.The first threshold subtracts the K1 channel quality equal to the first reference channel quality The result of best channel quality value in value.
As one embodiment, first signaling is used for determining that the K4, the K2 are equal to the K4.The K Antenna port group corresponds to K channel quality value.P2 channel quality value in the K channel quality value is more than or equal to institute The sum that the second reference channel quality adds the second threshold is stated, the P2 is more than the K4.
As one embodiment, the K2 channel quality value is K2 channel best in the P2 channel quality value Mass value.
As one embodiment, first signaling is used for determining that the K4, the K2 are less than or equal to the K4. The K antenna port group corresponds to K channel quality value.In the K channel quality value except the K2 channel quality value with Any one outer is both less than the sum that the second reference channel quality adds the second threshold.
As one embodiment, first signaling is used for determining the K2, the second reference channel quality and institute Second threshold is stated to be measured, be calculated by the UE.The K2 channel quality value is best in the K channel quality value K2 channel quality value.The second reference channel quality is that the K2 channel quality is removed in the K channel quality value Best channel quality value in value.The second threshold is equal to channel quality value worst in the K2 channel quality value and subtracts The result of the second reference channel quality.
Specifically, according to an aspect of the present invention, which is characterized in that the first information is also used for determining { described At least one of first reference channel quality, the second reference channel quality, the first threshold, the second threshold }.
As one embodiment, the above method is advantageous in that, base station can be by more reporting information to the UE Make better scheduling.
As one embodiment, the explicit instruction of the first information { the first reference channel quality, second ginseng At least one of examine channel quality, the first threshold, the second threshold }.
As one embodiment, the implicit instruction of the first information { the first reference channel quality, second ginseng At least one of examine channel quality, the first threshold, the second threshold }.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps：
Step C:Operate second wireless singal
Wherein, K1 antenna port group association described in the first beam shaping vector sum.Described in second beam shaping vector sum K2 antenna port group association.The operation is to receive, and first antenna port set is used to send the second wireless singal Antenna port group, the second beam shaping vector is used by the first antenna port set, and to send described second wireless Signal, the first beam shaping vector be used by the second antenna port group to the 2nd UE with the second wireless singal Third wireless signal is sent in identical interface-free resources；Alternatively, the operation is to send, the second beam shaping vector is by mesh Mark recipient is for receiving the second wireless singal, and the first beam shaping vector is by the target receiver for receiving The 4th wireless signal that 2nd UE is sent in interface-free resources identical with the second wireless singal.The interface-free resources It is at least one of { time-domain resource, frequency domain resource, code domain resource }.
As one embodiment, the above method is advantageous in that, base station can using multiple UE report to multiple UE into The Optimized Operation coordinated between row multiuser MIMO or multiple cell reduces the interference between user, to improve throughput of system.
As one embodiment, the operation is to send, the target receiver assume up channel and down channel it Between there are symmetry.
As one embodiment, the second wireless singal is the time/frequency source block corresponding to the first antenna port set (Resource Block)。
As one embodiment, the second wireless singal is the corresponding PDSCH time/frequency source blocks of the UE, the third Wireless signal is the corresponding PDSCH time/frequency source blocks of the 2nd UE.
As one embodiment, the second wireless singal is the corresponding PUSCH time/frequency source blocks of the UE, the described 4th Wireless signal is the corresponding PUSCH time/frequency source blocks of the 2nd UE.
As one embodiment, the second wireless singal is the corresponding reference signal group of the first antenna port set.
As one embodiment, the operation is to receive, and the third wireless signal is the corresponding downlinks of the 2nd UE Reference signal.
As one embodiment, the operation is to send, and the 4th wireless signal is the corresponding uplinks of the 2nd UE Reference signal.
As one embodiment, the operation is to receive, and the third wireless signal is the corresponding downlinks of the 2nd UE Physical layer control information.
As one embodiment, the operation is to send, and the 4th wireless signal is the corresponding uplinks of the 2nd UE Physical layer control information.
As one embodiment, the operation is to receive, and the first antenna port set corresponds to the first DMRS (demodulation references Signal, Reference Signal) group, the 2nd DMRS groups of the second antenna port group correspondence.
As one embodiment, the first DMRS groups and the 2nd DMRS groups are orthogonal in interface-free resources.
As one embodiment, the first beam shaping vector is used for the corresponding wave beam of the K1 antenna port group Excipient.
As one embodiment, the first beam shaping vector is used for the corresponding simulation of the K1 antenna port group Beam shaping.
As one embodiment, the operation is to receive, and the first beam shaping vector is by person for sending described the The analog beam excipient of three wireless signals.
As one embodiment, the operation is to send, and the first beam shaping vector is used by the target receiver In the analog beam excipient for receiving the 4th wireless signal.
As one embodiment, the second beam shaping vector is used for the corresponding wave beam of the K2 antenna port group Excipient.
As one embodiment, the second beam shaping vector is used for the corresponding simulation of the K2 antenna port group Beam shaping.
As one embodiment, the operation is to receive, and the second beam shaping vector be used to send described second The analog beam excipient of wireless signal.
As one embodiment, the operation is to send, and the first beam shaping vector is used by the target receiver In the analog beam excipient for receiving the second wireless singal.
The invention discloses a kind of methods being used in the base station of multi-antenna transmission, wherein includes the following steps：
Step A. sends the first signaling；
Step B. sends the first wireless signal；
Step C. receives the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group be used to send First wireless signal.The antenna port group includes the positive integer antenna port.The first information is by target UE is sent.The first information is used for determining K1 antenna port group in the K antenna port group.The K1 antenna Port set corresponds to K1 channel quality value.Any one channel quality value in the K1 channel quality value is less than or equal to First reference channel quality subtracts the result of first threshold.The K is positive integer.The K1 is just whole less than or equal to K Number.The first threshold is nonnegative real number.
As one embodiment, first signaling is that cell is public.
As one embodiment, first wireless signal is directed to multiple UE.
As one embodiment, the first information includes the associated CRI of K1 antenna port group.
Specifically, according to an aspect of the present invention, which is characterized in that the first information is also used for determining the K K2 antenna port group in a antenna port group.The K2 antenna port group corresponds to K2 channel quality value.The K2 Any one channel quality value in channel quality value is more than or equal to the knot that the second reference channel quality adds second threshold Fruit.The K2 is less than or the positive integer equal to K.The second threshold is nonnegative real number.
As one embodiment, the first information includes the associated CRI of K2 antenna port group.
Specifically, according to an aspect of the present invention, which is characterized in that first signaling is also used for determining { described First reference channel quality, the calculation of the first reference channel quality, the first threshold, second reference channel Quality, the calculation of the second reference channel quality, the second threshold, the K1, the K2, K3, K4 } at least One of.Wherein, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 be used to limit The value of the fixed K2, the K2 are less than or equal to the K4.
As one embodiment, first signaling includes M domain, and the M domain is corresponding respectively, and { described first with reference to letter Road quality, the calculation of the first reference channel quality, the first threshold, the second reference channel quality are described The calculation of second reference channel quality, the second threshold, the K1, the K2, K3, K4 } in M value, the M is Positive integer.
As one embodiment, first signaling includes one in { K1, K3 }.
As one embodiment, first signaling includes one in { K2, K4 }.
As one embodiment, first signaling includes the first threshold.
Specifically, according to an aspect of the present invention, which is characterized in that the first information is also used for determining { described At least one of first reference channel quality, the second reference channel quality, the first threshold, the second threshold }.
As one embodiment, { the first reference channel quality, the second reference channel quality, first threshold Value, the second threshold at least one of be used for multiuser MIMO scheduling.
As one embodiment, { the first reference channel quality, the second reference channel quality, first threshold Value, the second threshold at least one of be used for multi-cell cooperating transmission.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps：
Step C:Execute second wireless singal
Wherein, K1 antenna port group association described in the first beam shaping vector sum.Described in second beam shaping vector sum K2 antenna port group association.The execution is to send, and first antenna port set is used to send the second wireless singal Antenna port group, the second beam shaping vector is used by the first antenna port set and sent to the target UE The second wireless singal, the first beam shaping vector be used by the second antenna port group to the 2nd UE with it is described Third wireless signal is sent in the identical interface-free resources of second wireless singal；Alternatively, the execution is to receive, second wave beam Excipient vector be used to receive the second wireless singal that the target UE is sent, and the first beam shaping vector is used for Receive the 4th wireless signal that the 2nd UE is sent in interface-free resources identical with the second wireless singal.It is described to eat dishes without rice or wine Resource is at least one of { time-domain resource, frequency domain resource, code domain resource }.
As one embodiment, the execution is to receive, and the base station assumes exist between up channel and down channel Symmetry.
As one embodiment, the first beam shaping vector sum third antenna port set association, the third antenna Port set is an antenna port group in the K1 antenna port group.2nd UE measures the third antenna port set Obtain second channel quality.The second channel quality is more than or equal to the knot that third reference channel quality adds third threshold value Fruit.
As one embodiment, the third reference channel quality is equal to the second reference channel quality.
As one embodiment, the third threshold value is equal to the second threshold.
As one embodiment, the third reference channel quality by the 2nd UE to the K antenna port group into Row is measured, is calculated.
As one embodiment, the third threshold value measures the K antenna port group by the 2nd UE, calculates It arrives.
The invention discloses a kind of user equipmenies for multi-antenna transmission, wherein including following module：
- the first receiving module：For receiving the first signaling；
- the second receiving module：For receiving the first wireless signal；
Third sending module：For sending the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group be used to send First wireless signal.The antenna port group includes the positive integer antenna port.The first information is used for Determine K1 antenna port group in the K antenna port group.The K1 antenna port group corresponds to K1 channel quality value. Any one channel quality value in the K1 channel quality value subtracts first less than or equal to the first reference channel quality The result of threshold value.The K is positive integer.The K1 is the positive integer less than or equal to K.The first threshold is non-negative reality Number.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, further include following module：
- the first module：For operating second wireless singal.
Wherein, K1 antenna port group association described in the first beam shaping vector sum.The operation is to receive, first antenna Port set is used to send the antenna port group of the second wireless singal, and the first beam shaping vector is used by Second antenna port group sends third wireless signal to the 2nd UE in interface-free resources identical with the second wireless singal；Or Person, it is described operation be send, the first beam shaping vector by the target receiver for receive the 2nd UE with The 4th wireless signal sent in the identical interface-free resources of the second wireless singal.The interface-free resources are { time-domain resource, frequency At least one of domain resource, code domain resource }.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, the first information is also used for really K2 antenna port group in the fixed K antenna port group.The K2 antenna port group corresponds to K2 channel quality value.Institute It states any one channel quality value in K2 channel quality value and is more than or equal to the second reference channel quality plus the second threshold The result of value.The K2 is less than or the positive integer equal to K.The second threshold is nonnegative real number.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, first signaling is also used for really Fixed the first reference channel quality, and the calculation of the first reference channel quality, the first threshold, described second Reference channel quality, the calculation of the second reference channel quality, the second threshold, the K1, the K2, K3, K4 } At least one of.Wherein, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 It is used to limit the value of the K2, the K2 is less than or equal to the K4.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, the first information is also used for really In fixed { the first reference channel quality, the second reference channel quality, the first threshold, the second threshold } at least One of.
As one embodiment, the operation is to receive, and K2 antenna port group described in the second beam shaping vector sum is closed Connection, the second beam shaping vector is used by the first antenna port set and sends the second wireless singal, described First beam shaping vector is used by the second antenna port group to the 2nd UE identical as the second wireless singal Interface-free resources on send the third wireless signal.
As one embodiment, the operation is to send, and K2 antenna port group described in the second beam shaping vector sum is closed Connection, the second beam shaping vector is by the target receiver for receiving the second wireless singal, first wave beam Excipient vector is by the target receiver for receiving the 2nd UE in interface-free resources identical with the second wireless singal The 4th wireless signal of upper transmission.
The invention discloses a kind of base station equipments for multi-antenna transmission, wherein including following module：
- the first sending module：For sending the first signaling；
- the second sending module：For sending the first wireless signal；
Third receiving module：For receiving the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group be used to send First wireless signal.The antenna port group includes the positive integer antenna port.The first information is by target UE is sent.The first information is used for determining K1 antenna port group in the K antenna port group.The K1 antenna Port set corresponds to K1 channel quality value.Any one channel quality value in the K1 channel quality value is less than or equal to First reference channel quality subtracts the result of first threshold.The K is positive integer.The K1 is just whole less than or equal to K Number.The first threshold is nonnegative real number.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, further include following module：
- the second module：For executing second wireless singal.
Wherein, K1 antenna port group association described in the first beam shaping vector sum.The execution is to send, first antenna Port set is used to send the antenna port group of the second wireless singal to the target UE, first beam shaping to Amount is used by the second antenna port group and sends in interface-free resources identical with the second wireless singal the to the 2nd UE Three wireless signals；Alternatively, it is described execution be receive, the first beam shaping vector be used to receive the 2nd UE with institute State the 4th wireless signal sent in the identical interface-free resources of second wireless singal.The interface-free resources are { time-domain resource, frequency domain At least one of resource, code domain resource }.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, the first information is also used for really K2 antenna port group in the fixed K antenna port group.The K2 antenna port group corresponds to K2 channel quality value.Institute It states any one channel quality value in K2 channel quality value and is more than or equal to the second reference channel quality plus the second threshold The result of value.The K2 is less than or the positive integer equal to K.The second threshold is nonnegative real number.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, first signaling is also used for really Fixed the first reference channel quality, and the calculation of the first reference channel quality, the first threshold, described second Reference channel quality, the calculation of the second reference channel quality, the second threshold, the K1, the K2, K3, K4 } At least one of.Wherein, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 It is used to limit the value of the K2, the K2 is less than or equal to the K4.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, the first information is also used for really In fixed { the first reference channel quality, the second reference channel quality, the first threshold, the second threshold } at least One of.
As one embodiment, the execution is to send, and K2 antenna port group described in the second beam shaping vector sum is closed Connection, the second beam shaping vector are used by the first antenna port set and send second nothing to the target UE Line signal, the first beam shaping vector be used by the second antenna port group to the 2nd UE with second wireless communication Third wireless signal is sent in number identical interface-free resources.
As one embodiment, the execution is to receive, and K2 antenna port group described in the second beam shaping vector sum is closed Connection, the second beam shaping vector be used to receive the second wireless singal that the target UE is sent, the first wave Beam excipient vector be used to receive described in the 2nd UE sends in interface-free resources identical with the second wireless singal 4th wireless signal.
It is compared with traditional scheme, the present invention has following advantage：
Improve the flexibility ratio of multiuser MIMO and multi-cell cooperating scheduling.
Reduce the complexity of multi-subscriber dispatching and multi-cell cooperating scheduling.
By using antenna gain and the interference between user is reduced, improves the handling capacity of system.
Propagation delay time is reduced by multiuser MIMO and multi-cell cooperating transmission.
Description of the drawings
By read with reference in the following drawings to being described in detail made by non-limiting embodiment, other spies of the invention Sign, objects and advantages will become more apparent：
Fig. 1 shows the flow chart of wireless transmission according to an embodiment of the invention；
Fig. 2 shows the flow charts of wireless transmission according to another embodiment of the invention；
Fig. 3 shows the schematic diagram of K antenna port group according to an embodiment of the invention；
Fig. 4 shows the signal of K1 antenna port group according to an embodiment of the invention and K2 antenna port group Figure；
Fig. 5 shows the first beam shaping vector sum according to an embodiment of the invention second beam shaping vector Schematic diagram；
Fig. 6 shows the schematic diagram of first information instruction form according to an embodiment of the invention；
Fig. 7 shows the structure diagram according to an embodiment of the invention for the processing unit in UE；
Fig. 8 shows the structure diagram according to an embodiment of the invention for the processing unit in base station.
Embodiment 1
Embodiment 1 illustrates the flow chart of wireless transmission according to an embodiment of the invention, as shown in Fig. 1.It is attached In Fig. 1, base station N1 is that the serving cell of UE U2 maintains base station.In attached drawing 1, the step in box F1 is optional.
For N1, the first signaling is sent in step s 11；The first wireless signal is sent in step s 12；In step S13 The middle reception first information；Second wireless singal is sent in step S14.
For U2, the first signaling is received in the step s 21；The first wireless signal is received in step S22；In step S23 The middle transmission first information；Second wireless singal is received in step s 24.
In embodiment 1, first signaling is used to determine K antenna port group by U2.The K antenna port group quilt N1 is for sending first wireless signal.The antenna port group includes the positive integer antenna port.Described first Information is used to determine K1 antenna port group in the K antenna port group by N1.The K1 antenna port group corresponds to K1 A channel quality value.Any one channel quality value in the K1 channel quality value is less than or equal to the first reference channel Quality subtracts the result of first threshold.The K is positive integer.The K1 is the positive integer less than or equal to K.First threshold Value is nonnegative real number.
In the sub- embodiment 1 of embodiment 1, the first information is also by N1 for determining in the K antenna port group K2 antenna port group.The K2 antenna port group corresponds to K2 channel quality value.In the K2 channel quality value Any one channel quality value is more than or equal to the result that the second reference channel quality adds second threshold.The K2 is less than Or the positive integer equal to K.The second threshold is nonnegative real number.K1 antenna port group described in first beam shaping vector sum Association.K2 antenna port group association described in second beam shaping vector sum.First antenna port set is by N1 for sending institute The antenna port group of second wireless singal is stated, the second beam shaping vector is by N1 for passing through the first antenna port set The second wireless singal is sent, the first beam shaping vector is used to exist to the 2nd UE by the second antenna port group by N1 Third wireless signal is sent in interface-free resources identical with the second wireless singal.
In the sub- embodiment 2 of embodiment 1, first signaling is also by U2 for determining { the first reference channel matter Amount, the calculation of the first reference channel quality, the first threshold, the second reference channel quality, described second At least one of the calculation of reference channel quality, the second threshold, the K1, the K2, K3, K4 }.Wherein, institute The value that K3 be used to limit the K1 is stated, the K1 is less than or equal to the K3.The K4 be used to limit the value of the K2, The K2 is less than or equal to the K4.
In the sub- embodiment 3 of embodiment 1, the first information is also by N1 for determining { the first reference channel matter At least one of amount, the second reference channel quality, the first threshold, the second threshold }.
Embodiment 2
Embodiment 2 illustrates the flow chart of wireless transmission according to another embodiment of the invention, as shown in Fig. 2. In attached drawing 2, base station N3 is that the serving cell of UE U4 maintains base station.In example 2, N3 is reused before step 31 in attached drawing 1 Step S11-S13；U4 reuses the step S21-S23 in attached drawing 1 before step 41.
For N3, second wireless singal is received in step S31.
For U4, second wireless singal is sent in step S41.
In example 2, the first information also is used to determine K2 antenna end in the K antenna port group by N3 Mouth group.The K2 antenna port group corresponds to K2 channel quality value.Any one channel in the K2 channel quality value Mass value is more than or equal to the result that the second reference channel quality adds second threshold.The K2 is less than or equal to K's Positive integer.The second threshold is nonnegative real number.K1 antenna port group association described in first beam shaping vector sum.Second wave K2 antenna port group association described in beam excipient vector sum.The second beam shaping vector is by N3 for receiving second nothing Line signal, the first beam shaping vector are eated dishes without rice or wine to provide for receiving the 2nd UE by N3 identical with the second wireless singal The 4th wireless signal sent on source.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of K antenna port group according to an embodiment of the invention, such as 3 institute of attached drawing Show.
In embodiment 3, K antenna port group be used to send the first wireless signal.The K antenna port group corresponds to K beam shaping Vector Groups.The K antenna port group corresponds to K interface-free resources group.The interface-free resources be time resource, At least one of frequency domain resource, code domain resource }.
In the sub- embodiment 1 of embodiment 3, the K interface-free resources group is orthogonal.
In the sub- embodiment 2 of embodiment 3, the K interface-free resources group is K time quantum.
In the sub- embodiment 3 of embodiment 3, the K antenna port group corresponds to K reference signal group, first nothing Line signal is the K reference signal group.
Embodiment 4
Embodiment 4 illustrates K1 antenna port group according to an embodiment of the invention and K2 antenna port group Schematic diagram, as shown in Fig. 4.
In example 4, K antenna port group is used to send the first wireless signal to target UE by base station.The target UE measures to obtain K channel quality value according to first wireless signal received to the K antenna port group. In the K channel quality value, there is K1 channel quality value to subtract first threshold less than or equal to the first reference channel quality As a result, have K2 channel quality value be more than or equal to the second reference channel quality add second threshold result.The K1 A channel quality value is K1 channel quality value best in the K channel quality value.The K2 channel quality value is institute State K2 channel quality value worst in K channel quality value.K1 antenna port group corresponds to the K1 channel quality value.K2 A antenna port group corresponds to the K2 channel quality value.The target UE sends the first information to the base station.Described first Information is by the base station for determining the K1 antenna port group and the K2 antenna port group.
In the sub- embodiment 1 of embodiment 4, the base station sends the first signaling.First signaling is by the target UE For determining the first threshold.
In the sub- embodiment 2 of embodiment 4, the first reference channel quality is worst in the K2 channel quality value Channel quality value.
In the sub- embodiment 3 of embodiment 4, the base station sends the first signaling.First signaling is by the target UE For determining that the first reference channel quality, the first threshold are equal to 0.
In the sub- embodiment 4 of embodiment 4, the base station sends the first signaling.First signaling is by the target UE For determining that the second reference channel quality, the second threshold are equal to 0.
In the sub- embodiment 5 of embodiment 4, the base station sends the first signaling.First signaling is by the target UE For determining the second threshold.The second reference channel quality is channel quality worst in the K channel quality value Value.
Embodiment 5
Embodiment 5 illustrate second beam shaping of the first beam shaping vector sum according to an embodiment of the invention to The schematic diagram of amount, as shown in Fig. 5.
In embodiment 5, the second beam shaping vector is used to send second wireless singal, first wave to target UE by base station Beam excipient vector is used to send third wireless signal, the third wireless signal and second nothing to the 2nd UE by the base station Line signal is in identical interface-free resources；Alternatively, the second beam shaping vector is used to receive the second of target UE transmissions by base station Wireless signal, fourth wireless signal of the first beam shaping vector by the base station for receiving the 2nd UE transmissions, the described 4th Wireless signal and the second wireless singal are in identical interface-free resources.
Embodiment 6
Embodiment 6 illustrates the schematic diagram of first information instruction form according to an embodiment of the invention, such as attached drawing 6 It is shown.In figure 6, the overstriking grid of horizontal line filling is the antenna port group in K1 antenna port group, and oblique line filling adds Thick grid is the antenna port group in K2 antenna port group.
In embodiment 6, base station sends the first wireless signal by 8 antenna port groups to target UE.The target UE K channel quality value is obtained by survey calculation, the K is equal to 8.The K channel quality value corresponds to 8 antennas respectively Port set.K1 antenna port group corresponds to K1 channel quality value worst in the K channel quality value respectively.K2 antenna Port set corresponds to K2 channel quality value best in the K channel quality value respectively.The K1 antenna port group is by day Line port set #1 and #5 composition.The K2 antenna port group is made of antenna port group #3 and #7.The target UE is to described Base station sends the first information.The first information is by the base station for determining the K1 antenna port group and the K2 day Line port set.The ternary character string that one length is K is any one in the K antenna port group for determining by the UE Whether whether a antenna port group in the K1 antenna port group and in the K2 antenna port group.If a day Line port set is in the K1 antenna port group, then the corresponding position of the ternary character string is set to 0；If a day Line port set is in the K2 antenna port group, then the corresponding position of the ternary character string is set to 1；If a day Line port set is neither in the K1 antenna port group, also not in the K2 antenna port group, then the ternary word The corresponding position of symbol string is set to 2.According to the above method, in embodiment 8, the ternary character string is 02120212.
In the sub- embodiment 1 of embodiment 6, the ternary character string be converted into decimal value it is identical one two into Character string 0011101011110 processed.The string of binary characters is one 13 strings of binary characters.The binary-coded character The digit of string is determined by the possible corresponding maximum decimal value of ternary character string that a length is K.One length is the three of 8 The maximum value of system character string is 2222222, and corresponding decimal number is 6560, and corresponding binary number is the two of one 13 System character string.
Embodiment 7
Embodiment 7 illustrates the structure diagram according to an embodiment of the invention for the processing unit in UE, such as Shown in attached drawing 7.
In fig. 7, UE devices 200 are mainly by the first receiving module 201, the second receiving module 202, third sending module 203 and first module 204 form.
First receiving module 201 is for receiving the first signaling；Second receiving module 202 is for receiving the first wireless signal； Third sending module 203 is for sending the first information；First module 204 is for operating second wireless singal.
In embodiment 7, first signaling is by UE for determining K antenna port group.The K antenna port group quilt Base station is for sending first wireless signal.The antenna port group includes the positive integer antenna port.Described One information is used to determine K1 antenna port group in the K antenna port group by base station.The K1 antenna port group pair Answer K1 channel quality value.Any one channel quality value in the K1 channel quality value is less than or equal to the first reference Channel quality subtracts the result of first threshold.The K is positive integer.The K1 is the positive integer less than or equal to K.Described One threshold value is nonnegative real number.
In the sub- embodiment 1 of embodiment 7, the first information is also by the base station for determining the K antenna end K2 antenna port group in mouth group.The K2 antenna port group corresponds to K2 channel quality value.The K2 channel quality Any one channel quality value in value is more than or equal to the result that the second reference channel quality adds second threshold.The K2 It is less than or the positive integer equal to K.The second threshold is nonnegative real number.
In the sub- embodiment 2 of embodiment 7, first signaling is also by the UE for determining that { described first with reference to letter Road quality, the calculation of the first reference channel quality, the first threshold, the second reference channel quality are described At least one of the calculation of second reference channel quality, the second threshold, the K1, the K2, K3, K4 }.Its In, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 be used to limit the K2 Value, the K2 be less than or equal to the K4.
In the sub- embodiment 3 of embodiment 7, the first information is also by the base station for determining { first reference At least one of channel quality, the second reference channel quality, the first threshold, the second threshold }.
In the sub- embodiment 4 of embodiment 7, the base station sends the second wireless singal, and the UE receives described the Two wireless signals.K1 antenna port group association described in first beam shaping vector sum.K2 described in second beam shaping vector sum A antenna port group association.First antenna port set is to be used to send the antenna port group of the second wireless singal by base station, The second beam shaping vector is used to send the second wireless singal by the first antenna port set by base station, described First beam shaping vector is used for through the second antenna port group to the 2nd UE by base station identical as the second wireless singal Interface-free resources on send third wireless signal.
In the sub- embodiment 5 of embodiment 7, the UE sends the second wireless singal, and the base station receives described the Two wireless signals.K1 antenna port group association described in first beam shaping vector sum.K2 described in second beam shaping vector sum A antenna port group association.The second beam shaping vector by base station for receiving the second wireless singal, described first Beam shaping vector is sent for receiving the 2nd UE in interface-free resources identical with the second wireless singal by the base station The 4th wireless signal.
Embodiment 8
Embodiment 8 illustrates the structure diagram according to an embodiment of the invention for the processing unit in base station, As shown in Fig. 8.
In attached drawing 8, base station apparatus 300 is mainly by the first sending module 301, the second sending module 302, third reception mould Block 303 and the second module 304 composition.
First sending module 301 is for sending the first signaling；Second sending module 302 is for sending the first wireless signal； Third receiving module 303 is for receiving the first information；Second module 304 is for executing second wireless singal.
In embodiment 8, first signaling is by UE for determining K antenna port group.The K antenna port group quilt Base station is for sending first wireless signal.The antenna port group includes the positive integer antenna port.Described One information is sent by target UE.The first information is used for determining K1 antenna port group in the K antenna port group. The K1 antenna port group corresponds to K1 channel quality value.Any one channel quality value in the K1 channel quality value Less than or equal to the result that the first reference channel quality subtracts first threshold.The K is positive integer.The K1 be less than or Positive integer equal to K.The first threshold is nonnegative real number.
In the sub- embodiment 1 of embodiment 8, the first information is also by the base station for determining the K antenna end K2 antenna port group in mouth group.The K2 antenna port group corresponds to K2 channel quality value.The K2 channel quality Any one channel quality value in value is more than or equal to the result that the second reference channel quality adds second threshold.The K2 It is less than or the positive integer equal to K.The second threshold is nonnegative real number.
In the sub- embodiment 2 of embodiment 8, first signaling is also by the UE for determining that { described first with reference to letter Road quality, the calculation of the first reference channel quality, the first threshold, the second reference channel quality are described At least one of the calculation of second reference channel quality, the second threshold, the K1, the K2, K3, K4 }.Its In, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 be used to limit the K2 Value, the K2 be less than or equal to the K4.
In the sub- embodiment 3 of embodiment 8, the first information is also by the base station for determining { first reference At least one of channel quality, the second reference channel quality, the first threshold, the second threshold }.
In the sub- embodiment 4 of embodiment 8, the base station sends the second wireless singal, and the UE receives described the Two wireless signals.K1 antenna port group association described in first beam shaping vector sum.K2 described in second beam shaping vector sum A antenna port group association.First antenna port set is to be used to send the antenna port group of the second wireless singal by base station, The second beam shaping vector is used to send the second wireless singal by the first antenna port set by base station, described First beam shaping vector is used for through the second antenna port group to the 2nd UE by base station identical as the second wireless singal Interface-free resources on send third wireless signal.
In the sub- embodiment 5 of embodiment 8, the UE sends the second wireless singal, and the base station receives described the Two wireless signals.K1 antenna port group association described in first beam shaping vector sum.K2 described in second beam shaping vector sum A antenna port group association.The second beam shaping vector by base station for receiving the second wireless singal, described first Beam shaping vector is sent for receiving the 2nd UE in interface-free resources identical with the second wireless singal by the base station The 4th wireless signal.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be referred to by program Related hardware is enabled to complete, described program can be stored in computer readable storage medium, such as read-only memory, hard disk or light Disk etc..Optionally, all or part of step of above-described embodiment can also be realized using one or more integrated circuit.Phase It answers, each modular unit in above-described embodiment, example, in hardware realization may be used, it can also be by the form of software function module It realizes, the application is not limited to the combination of the software and hardware of any particular form.UE or terminal in the present invention include but not It is limited to mobile phone, tablet computer, notebook, card of surfing Internet, NB-IOT terminals, the wireless telecom equipments such as eMTC terminals.In the present invention Base station or system equipment include but not limited to macrocell base stations, microcell base station, Home eNodeB, the wireless communications such as relay base station Equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in the protection of the present invention Within the scope of.

Claims (14)

1. a kind of method being used in the UE of multi-antenna transmission, wherein include the following steps：
Step A. receives the first signaling；
Step B. receives the first wireless signal；
Step C. sends the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group is used for described in transmission First wireless signal.The antenna port group includes the positive integer antenna port.The first information is used for determining K1 antenna port group in the K antenna port group.The K1 antenna port group corresponds to K1 channel quality value.It is described Any one channel quality value in K1 channel quality value subtracts first threshold less than or equal to the first reference channel quality Result.The K is positive integer.The K1 is the positive integer less than or equal to K.The first threshold is nonnegative real number.
2. according to the method described in claim 1, it is characterized in that, the first information is also used for determining the K antenna K2 antenna port group in port set.The K2 antenna port group corresponds to K2 channel quality value.The K2 channel matter Any one channel quality value in magnitude is more than or equal to the result that the second reference channel quality adds second threshold.It is described K2 is less than or the positive integer equal to K.The second threshold is nonnegative real number.
3. according to the method described in claim 1-2, which is characterized in that first signaling is also used for determining { described first Reference channel quality, the calculation of the first reference channel quality, the first threshold, the second reference channel matter Amount, the calculation of the second reference channel quality, the second threshold, the K1, the K2, K3, K4 at least it One.Wherein, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 be used to limit The value of the K2, the K2 are less than or equal to the K4.
4. according to the method described in claim 1-3, which is characterized in that the first information is also used for determining { described first At least one of reference channel quality, the second reference channel quality, the first threshold, the second threshold }.
5. according to the method described in claim 1-4, which is characterized in that further include following steps：
Step C:Operate second wireless singal
Wherein, K1 antenna port group association described in the first beam shaping vector sum.K2 described in second beam shaping vector sum Antenna port group is associated with.The operation is to receive, and first antenna port set is used to send the day of the second wireless singal Line port set, the second beam shaping vector are used by the first antenna port set and send second wireless communication Number, the first beam shaping vector be used by the second antenna port group to the 2nd UE with the second wireless singal phase Third wireless signal is sent in same interface-free resources；Alternatively, the operation is to send, the second beam shaping vector is by target Recipient is for receiving the second wireless singal, and the first beam shaping vector is by the target receiver for receiving institute State the 4th wireless signal that the 2nd UE is sent in interface-free resources identical with the second wireless singal.The interface-free resources are At least one of { time-domain resource, frequency domain resource, code domain resource }.
6. a kind of method being used in the base station of multi-antenna transmission, wherein include the following steps：
Step A. sends the first signaling；
Step B. sends the first wireless signal；
Step C. receives the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group is used for described in transmission First wireless signal.The antenna port group includes the positive integer antenna port.The first information is sent out by target UE It send.The first information is used for determining K1 antenna port group in the K antenna port group.The K1 antenna port The corresponding K1 channel quality value of group.Any one channel quality value in the K1 channel quality value is less than or equal to first Reference channel quality subtracts the result of first threshold.The K is positive integer.The K1 is the positive integer less than or equal to K.Institute It is nonnegative real number to state first threshold.
7. according to the method described in claim 6, it is characterized in that, the first information is also used for determining the K antenna K2 antenna port group in port set.The K2 antenna port group corresponds to K2 channel quality value.The K2 channel matter Any one channel quality value in magnitude is more than or equal to the result that the second reference channel quality adds second threshold.It is described K2 is less than or the positive integer equal to K.The second threshold is nonnegative real number.
8. according to the method described in claim 6-7, which is characterized in that first signaling is also used for determining { described first Reference channel quality, the calculation of the first reference channel quality, the first threshold, the second reference channel matter Amount, the calculation of the second reference channel quality, the second threshold, the K1, the K2, K3, K4 at least it One.Wherein, the K3 be used to limit the value of the K1, and the K1 is less than or equal to the K3.The K4 be used to limit The value of the K2, the K2 are less than or equal to the K4.
9. according to the method described in claim 6-8, which is characterized in that the first information is also used for determining { described first At least one of reference channel quality, the second reference channel quality, the first threshold, the second threshold }.
10. according to the method described in claim 6-9, which is characterized in that further include following steps：
Step C:Execute second wireless singal
Wherein, K1 antenna port group association described in the first beam shaping vector sum.K2 described in second beam shaping vector sum Antenna port group is associated with.The execution is to send, and first antenna port set is used to send the day of the second wireless singal Line port set, the second beam shaping vector are used by the first antenna port set to described in target UE transmissions Second wireless singal, the first beam shaping vector are used by the second antenna port group to the 2nd UE with described second Third wireless signal is sent in the identical interface-free resources of wireless signal；Alternatively, the execution is to receive, second beam shaping Vector be used to receive the second wireless singal that the target UE is sent, and the first beam shaping vector be used to receive The 4th wireless signal that 2nd UE is sent in interface-free resources identical with the second wireless singal.The interface-free resources It is at least one of { time-domain resource, frequency domain resource, code domain resource }.
11. a kind of user equipment for multi-antenna transmission, wherein including following module：
- the first receiving module：For receiving the first signaling；
- the second receiving module：For receiving the first wireless signal；
Third sending module：For sending the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group is used for described in transmission First wireless signal.The antenna port group includes the positive integer antenna port.The first information is used for determining K1 antenna port group in the K antenna port group.The K1 antenna port group corresponds to K1 channel quality value.It is described Any one channel quality value in K1 channel quality value subtracts first threshold less than or equal to the first reference channel quality Result.The K is positive integer.The K1 is the positive integer less than or equal to K.The first threshold is nonnegative real number.
12. user equipment according to claim 11, which is characterized in that further include following module：
- the first module：For operating second wireless singal.
Wherein, K1 antenna port group association described in the first beam shaping vector sum.The operation is to receive, first antenna port Group is used to send the antenna port group of the second wireless singal, and the first beam shaping vector is used by second Antenna port group sends third wireless signal to the 2nd UE in interface-free resources identical with the second wireless singal；Alternatively, It is described operation be send, the first beam shaping vector by the target receiver for receive the 2nd UE with it is described The 4th wireless signal sent in the identical interface-free resources of second wireless singal.The interface-free resources are { time-domain resource, frequency domain money At least one of source, code domain resource }.
13. a kind of base station equipment for multi-antenna transmission, wherein including following module：
- the first sending module：For sending the first signaling；
- the second sending module：For sending the first wireless signal；
Third receiving module：For receiving the first information；
Wherein, first signaling is used for determining K antenna port group.The K antenna port group is used for described in transmission First wireless signal.The antenna port group includes the positive integer antenna port.The first information is sent out by target UE It send.The first information is used for determining K1 antenna port group in the K antenna port group.The K1 antenna port The corresponding K1 channel quality value of group.Any one channel quality value in the K1 channel quality value is less than or equal to first Reference channel quality subtracts the result of first threshold.The K is positive integer.The K1 is the positive integer less than or equal to K.Institute It is nonnegative real number to state first threshold.
14. base station equipment according to claim 13, which is characterized in that further include following module：
- the second module：For executing second wireless singal.
Wherein, K1 antenna port group association described in the first beam shaping vector sum.The execution is to send, first antenna port Group is used to send the antenna port group of the second wireless singal, the first beam shaping vector quilt to the target UE For sent in interface-free resources identical with the second wireless singal to the 2nd UE by the second antenna port group third without Line signal；Alternatively, the execution is to receive, the first beam shaping vector be used to receive the 2nd UE with described the The 4th wireless signal sent in the identical interface-free resources of two wireless signals.The interface-free resources are { time-domain resource, frequency domain money At least one of source, code domain resource }.
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