CN111585628A - Method and device used in UE (user equipment) and base station for multi-antenna transmission - Google Patents
Method and device used in UE (user equipment) and base station for multi-antenna transmission Download PDFInfo
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- 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
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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
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- 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
- H04B7/0617—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 for beam forming
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Abstract
The invention discloses a method and a device for UE (user equipment) and a base station for multi-antenna transmission. The UE receives the first signaling and then operates on the first wireless signal. Wherein the first signaling is used to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The operation is receiving; alternatively, the operation is a transmission. In the invention, a plurality of beamforming vectors are used for generating a plurality of spatial paths, so that data blocks transmitted on the plurality of spatial paths benefit from beamforming gain and spatial diversity gain, and the robustness of data transmission is increased.
Description
The present application is a divisional application of the following original applications:
application date of the original application: 2017.01.22
- -application number of the original application: 201710045380.4
The invention of the original application is named: method and device used in UE (user equipment) and base station for multi-antenna transmission
Technical Field
The present application relates to a scheme for multi-antenna transmission in a wireless communication system.
Background
Large-scale (Massive) MIMO (Multi-Input Multi-Output) is a research hotspot for next-generation mobile communication. In massive MIMO, multiple antennas form a narrow beam pointing in a specific direction by beamforming to improve communication quality. The large-scale MIMO can also form different directions through a plurality of antennas, and simultaneously serve a plurality of users, so that the throughput of the large-scale MIMO system is improved, and the transmission delay is reduced.
According to the discussion of 3GPP (3rd Generation Partner Project) RAN1(radio access Network), hybrid beamforming combining analog beamforming and digital precoding (hybrid beamforming) becomes an important research direction for NR (New radio technology) systems.
In the massive MIMO system, a base station and a UE perform analog beamforming for data transmission therebetween, respectively, to thereby improve SINR (Signal-to-Interference-and-Noise Ratio) using multiple antenna gains. However, the path selection caused by analog beamforming may reduce the diversity gain of the equivalent channel, and the mobility of the UE and surrounding obstacles may cause the degradation or blockage of the selected path, so how to ensure the reliability of the transmission signal in the massive MIMO system is an urgent problem to be solved.
Disclosure of Invention
The present application discloses a solution to the above-mentioned problem. It should be noted that, without conflict, the embodiments and features in the embodiments in the UE of the present application may be applied to the base station, and vice versa. Further, the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without conflict.
The application discloses a method used in UE of multi-antenna transmission, wherein, the method comprises the following steps:
-step a. receiving a first signalling;
-step b.
Wherein the first signaling is used to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The operation is receiving; alternatively, the operation is a transmission.
As an embodiment, the above method has a benefit that the two antenna port sets respectively correspond to two spatial paths, and the first wireless signal is transmitted on the two spatial paths on different time resources, so as to benefit from spatial diversity gain and increase robustness of the first wireless signal transmission.
As an embodiment, the antenna port is formed by overlapping a plurality of physical antennas through antenna Virtualization (Virtualization). And the mapping coefficients of the antenna ports to the plurality of physical antennas form a beam forming vector which is used for virtualizing the antennas to form beams.
As one embodiment, the antenna virtualization includes analog beamforming and digital beamforming. The analog beamforming is a mapping of RF link outputs to the plurality of physical antennas, used to form analog beams. The digital beamforming is a mapping of the antenna ports to RF chains, which is used to form digital beams.
As one embodiment, the analog beamforming is wideband.
As an example, the beamforming vector is a product of an analog beamforming matrix and a digital beamforming vector. The analog beamforming matrix is comprised of one or more analog beamforming vectors.
As an example, the beamforming vector is a Kronecker product of an analog beamforming vector and a digital beamforming vector.
As an embodiment, the beamforming vector corresponding to a first antenna port and the beamforming vector corresponding to a second antenna port cannot be assumed to be the same, and the first antenna port and the second antenna port are any two different antenna ports.
As an embodiment, the small scale characteristic of the wireless channel experienced by the signal transmitted by the first antenna port cannot be used to infer the small scale characteristic of the wireless channel experienced by the signal transmitted by the second antenna port.
As one embodiment, the beamforming vectors include a transmit beamforming vector and a receive beamforming vector.
As an embodiment, the antenna port group is composed of one antenna port.
As an embodiment, the antenna port group is composed of a plurality of the antenna ports.
In one implementation, the same analog beamforming vector and different digital beamforming vectors are used for antenna virtualization of different antenna ports within the antenna port group.
As an embodiment, the number of the antenna ports included in the first antenna port group and the second antenna port group is the same.
As an embodiment, the number of the antenna ports included in the first antenna port group and the second antenna port group is different.
As an embodiment, the operation is receiving, and the first signaling is DCI (Downlink Control Information) carried by a PDCCH (Physical Downlink Control Channel). The first radio signal is a data block carried by a PDSCH (Physical Downlink shared Channel). The target time domain resource is a time domain resource in which a PDSCH is located in a subframe in which the first signaling is located. And the UE determines the target time domain resource through the subframe in which the first signaling is positioned.
As an embodiment, the operation is sending, and the first signaling is DCI (Downlink Control Information) carried by a PDCCH (Physical Downlink Control Channel). The first radio signal is a data block carried by a PUSCH (Physical Uplink shared Channel). The sequence number of the first subframe is the sequence number of the subframe where the first signaling is located plus a fixed value. The target time domain resource is a time domain resource where a PUSCH is located in the first subframe. And the UE determines the target time domain resource through the subframe in which the first signaling is positioned.
As an embodiment, the operation is receiving, and the target time domain resource is a time domain resource in which a PDSCH is located within a consecutive positive integer number of subframes including a subframe in which the first signaling is located.
As an embodiment, the operation is sending, and the target time domain resource is a time domain resource in which a PUSCH is located in a consecutive positive integer number of subframes after the subframe in which the first signaling is located.
As an embodiment, the unit of the time domain resource is a CP-OFDM (Cyclic-Prefix orthogonal frequency Division Multiplexing) symbol.
As an embodiment, the portion of the first radio signal in the first time domain resource and the portion in the second time domain resource belong to two portions of one codeword after channel coding.
As an embodiment, a portion of the first wireless signal in the first time domain resource and a portion of the second time domain resource belong to two channel-coded codewords, respectively.
As an embodiment, the portion of the first wireless signal in the first time domain resource and the portion in the second time domain resource is a repetition of one codeword after channel coding.
As an embodiment, the first time domain resource and the second time domain resource are both discontinuous time domain resources.
As an embodiment, the target time domain resource consists of the first time domain resource and the second time domain resource.
As an embodiment, the target time domain resource includes not only the first time domain resource and the second time domain resource.
As an embodiment, the first signaling explicitly indicates the first antenna port group and the second antenna port group.
As an embodiment, the first signaling implicitly indicates the first antenna port group and the second antenna port group.
As an embodiment, the first signaling is UE specific.
As one embodiment, a first transmit analog beamforming vector is used for transmit beamforming of the first wireless signal in the first time domain resource, and a first receive analog beamforming vector is used for receive beamforming of the first wireless signal in the first time domain resource; a second transmit analog beamforming vector is used for transmit beamforming of the first wireless signal in the second time domain resource and a second receive analog beamforming vector is used for receive beamforming of the first wireless signal in the second time domain resource.
As one embodiment, the first transmit analog beamforming vector and the first receive analog beamforming vector are used to determine an equivalent channel experienced by signals transmitted through the first antenna port group; the second transmit analog beamforming vector and the second receive analog beamforming vector are used to determine an equivalent channel experienced by signals transmitted through the second group of antenna ports.
As one embodiment, the operation is reception, the first and second antenna port groups being used by the UE to determine the first and second receive analog beamforming vectors, respectively.
As an embodiment, the operation is transmitting, the first and second antenna port groups being used by the UE to determine the first and second transmit analog beamforming vectors, respectively.
As an embodiment, a first reference signal group is transmitted in the first time domain resource through the first antenna port group, and a second reference signal group is transmitted in the second time domain resource through the second antenna port group.
As an embodiment, the time-frequency pattern and the OCC (Orthogonal Cover Code) of the first reference signal group and the second reference signal group in one time unit are the same.
As one embodiment, the time cell is a symbol.
As one embodiment, the time unit is a slot including a plurality of symbols.
As one embodiment, the time unit is a subframe.
As one embodiment, the first reference signal group and the second reference signal are not used for joint channel estimation.
As one embodiment, the first and second Reference signal groups are dmrs (modulation Reference signals).
Specifically, according to an aspect of the present application, the method further includes the steps of:
-step c. receiving a second wireless signal;
-step d.
Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
As an embodiment, the above method has a benefit that the first antenna port group and the second antenna port group correspond to a radio channel with better channel quality, thereby ensuring the transmission quality of the first radio signal.
As an embodiment, K reference signal groups are respectively transmitted through the K antenna port groups. Beamforming of any two of the K reference signal groups uses different receive analog beamforming vectors or different transmit analog beamforming vectors.
As one embodiment, the second wireless signals are the K sets of reference signals.
As an embodiment, Beam scanning (Beam Sweep) is used for transmitting the second wireless signal, and the K reference signal groups are respectively transmitted on K orthogonal time resources.
As an embodiment, the K antenna port groups respectively correspond to K channel quality values, and the K reference signal groups are respectively used for measuring the K channel quality values. The K1 antenna port groups correspond to the best K1 ones of the K channel quality values, respectively.
As an embodiment, the channel quality value is one of { instantaneous RSRP Reference Signal received power), long term RSRP, SINR, SNR }.
As one embodiment, the K channel quality values are wideband channel quality values.
As an embodiment, the first antenna port group and the second antenna port group are two antenna port groups of the K1 antenna ports. A first transmit analog beamforming vector and a first receive analog beamforming vector are used for transmit analog beamforming and receive analog beamforming, respectively, of the first antenna port group, and a second transmit analog beamforming vector and a second receive analog beamforming vector are used for transmit analog beamforming and receive analog beamforming, respectively, of the second antenna port group. The first and second receive analog beamforming vectors are two different beamforming vectors.
As an example, K1 is equal to 2.
As an embodiment, K1 is greater than 2, and the number of receive analog beamforming vectors corresponding to the K1 antenna port group is equal to 2.
As one embodiment, the operation is reception, the first receive analog beamforming vector is used for receive analog beamforming of the first wireless signal in the first time domain resource, and the second receive analog beamforming vector is used for receive analog beamforming of the first wireless signal in the second time domain resource.
As an embodiment, the operation is transmitting, the UE is assumed to have channel reciprocity, the first receive analog beamforming vector is used for transmit analog beamforming of the first wireless signal in the first time domain resource, and the second receive analog beamforming vector is used for transmit analog beamforming of the first wireless signal in the second time domain resource.
As an embodiment, the first information explicitly indicates the K1 antenna port groups.
As an embodiment, the first information implicitly indicates the K1 antenna port groups.
As an embodiment, the first information is a CSI report (Channel State information report).
The application also discloses another method used in the UE for multi-antenna transmission, which comprises the following steps:
-step a. receiving a first signalling;
-step b.
Wherein the first signaling is used to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used for beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for beamforming of the first wireless signal in the second time domain resource. The operation is receiving; alternatively, the operation is a transmission.
As an embodiment, the above method has a benefit that the two beamforming vectors correspond to two spatial paths respectively, and the first wireless signal is transmitted on the two spatial paths on different time resources, so as to benefit from spatial diversity gain and improve robustness of transmission of the first wireless signal.
For one embodiment, the set of beamforming vectors includes a plurality of beamforming vectors.
As an embodiment, the UE selects the first beamforming vector from the first set of beamforming vectors and selects the second beamforming vector from the second set of beamforming vectors.
As an embodiment, the set of beamforming vectors consists of only one beamforming vector.
As one embodiment, the first signaling explicitly indicates the first set of beamforming vectors and the second set of beamforming vectors.
As one embodiment, the first signaling implicitly indicates the first set of beamforming vectors and the second set of beamforming vectors.
As an embodiment, the first signaling is UE specific.
As one embodiment, the first signaling is DCI carried by a PDCCH.
As one embodiment, the operation is reception, the first beamforming vector is used for receive analog beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for receive analog beamforming of the first wireless signal in the second time domain resource.
As one embodiment, the operation is transmitting, the first beamforming vector is used for transmit analog beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for transmit analog beamforming of the first wireless signal in the second time domain resource.
Specifically, according to an aspect of the present application, the method further includes the steps of:
-step c. receiving a second wireless signal;
-step d.
Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As an embodiment, the above method has a benefit that the first beamforming vector group and the second beamforming vector group correspond to a wireless channel with better channel quality, thereby ensuring the transmission quality of the first wireless signal.
For one embodiment, the K1 antenna port groups include K2 antenna port groups and K3 antenna port groups. A third beamforming vector is used for transmit beamforming of the K2 antenna port groups and a fourth beamforming vector is used for transmit beamforming vectors of the K3 antenna port groups. The receive beamforming vectors for the K2 antenna port groups constitute the first beamforming vector group, and the receive beamforming vectors for the K3 antenna port groups constitute the second beamforming vector group.
As an embodiment, the third antenna port group and the fourth antenna port group are two antenna port groups of the K1 antenna ports. The first beamforming vector is used for receive analog beamforming for the third antenna port group and the second beamforming vector is used for receive analog beamforming for the fourth antenna port group.
As an embodiment, the operation is transmitting, the UE is assumed to have channel reciprocity, the first beamforming vector is used for transmit analog beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for transmit analog beamforming of the first wireless signal in the second time domain resource.
In particular, according to an aspect of the present application, it is characterized in that transmit diversity precoding combining the first time domain resource and the second time domain resource is used for the transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As an embodiment, the above method has a benefit that transmit diversity precoding may further improve the reliability of data transmission.
As one embodiment, the transmit diversity precoding is transmit diversity precoding across multi-carrier symbols.
As one embodiment, the multicarrier symbol is an OFDM symbol.
As an embodiment, the multicarrier symbol is an SC-FDMA (Single-Carrier frequency division Multiple Access) symbol.
As one embodiment, the transmit diversity precoding operates on modulation symbols.
As one embodiment, the transmit diversity precoding operates on modulation symbols after being precoded within a multicarrier symbol.
As an embodiment, the Modulation symbol is one of a { PSK (Phase-Shift Keying) symbol, a QAM (Quadrature Amplitude Modulation) symbol }.
As an embodiment, one of the modulation symbols is carried by one RE (Resource Element).
As an embodiment, the equivalent channel is a wireless channel subjected to beamforming by a signal.
As one embodiment, the transmit diversity precoding uses Space-Time Codes (Space-Time Codes).
As an embodiment, the transmit diversity precoding uses Alamouti code.
As an embodiment, the transmit diversity precoding uses an OSTBC (Orthogonal Space time block Codes).
As one embodiment, the transmit diversity precoding uses a precoding cycle (precoding Cycling).
Specifically, according to one aspect of the present application, the first signaling is further used to determine at least one of the frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
As an embodiment, the above method has the advantage that the first signaling carries more content and is more efficient to convey.
As an embodiment, the first signaling explicitly indicates at least one of the first wireless signal { occupied frequency domain resource, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As an embodiment, the first signaling implicitly indicates at least one of { occupied frequency domain resource, MCS, HARQ process number, RV, NDI, transmit antenna port } of the first wireless signal.
As an embodiment, the first signaling is used to indicate PDSCH reception related control information.
As an embodiment, the first signaling is used to indicate PUSCH transmission related control information.
Specifically, according to an aspect of the present application, the method further includes the steps of:
-step e.
Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
As an embodiment, the above method has the advantage of saving the signaling overhead of the first signaling.
As an embodiment, the first configuration information is RRC signaling.
As an embodiment, the first time window is discontinuous in the time domain and the second time window is discontinuous in the time domain.
As an embodiment, the time window comprises a plurality of sub-time windows, one of the sub-time windows being consecutive in the time domain.
As an embodiment, the plurality of sub-time windows are the same length.
As an embodiment, the intervals between the plurality of sub-time windows are the same.
As an embodiment, the configuration information of the time window comprises at least one of { time window start offset, number of sub-time windows, length of sub-time windows, interval between sub-time windows }.
As an embodiment, the time unit of the time window is a CP-OFDM symbol.
As an embodiment, the time unit of the time window is a time slot.
As an embodiment, the time unit of the time window is a subframe.
As an embodiment, the first signaling is DCI, and the first signaling includes an information bit used to activate the first configuration information.
As an embodiment, the information bit is one bit.
The application discloses a method used in a base station for multi-antenna transmission, which comprises the following steps:
-step a. sending a first signaling;
-step b.
Wherein the first signaling is used to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The performing is sending; alternatively, the performing is receiving.
As an embodiment, the performing is transmitting and the first signaling is DCI transmitted on a PDCCH. The first wireless signal is a data block carried by a PDSCH. The target time domain resource is a time domain resource in which a PDSCH is located in a subframe in which the first signaling is located. And the UE determines the target time domain resource through the subframe in which the first signaling is positioned.
As an embodiment, the performing is receiving and the first signaling is DCI transmitted on a PDCCH. The first wireless signal is a data block carried by a PUSCH. The sequence number of the first subframe is the sequence number of the subframe where the first signaling is located plus a fixed value. The target time domain resource is a time domain resource where a PUSCH is located in the first subframe. And the UE determines the target time domain resource through the subframe in which the first signaling is positioned.
As an embodiment, the performing is transmitting, and the target time domain resource is a time domain resource in which a PDSCH is located within a consecutive positive integer number of subframes including a subframe in which the first signaling is located.
As an embodiment, the performing is receiving, and the target time domain resource is a time domain resource in which a PUSCH is located in a consecutive positive integer number of subframes after a subframe in which the first signaling is located.
As one embodiment, a first transmit analog beamforming vector is used for transmit beamforming of the first wireless signal in the first time domain resource, and a first receive analog beamforming vector is used for receive beamforming of the first wireless signal in the first time domain resource; a second transmit analog beamforming vector is used for transmit beamforming of the first wireless signal in the second time domain resource and a second receive analog beamforming vector is used for receive beamforming of the first wireless signal in the second time domain resource.
As an embodiment, the performing is transmitting, the first and second antenna port groups being used by the base station to determine the first and second transmit analog beamforming vectors, respectively.
As an embodiment, the performing is receiving, the first and second antenna port groups being used by the base station to determine the first and second receive analog beamforming vectors, respectively.
Specifically, according to one aspect of the application, the method is characterized by comprising the following steps:
-step c. transmitting a second wireless signal;
-step d.
Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
As an embodiment, the first antenna port group and the second antenna port group are two antenna port groups of the K1 antenna ports. A first transmit analog beamforming vector and a first receive analog beamforming vector are used for transmit analog beamforming and receive analog beamforming, respectively, of the first antenna port group, and a second transmit analog beamforming vector and a second receive analog beamforming vector are used for transmit analog beamforming and receive analog beamforming, respectively, of the second antenna port group. The first transmit analog beamforming vector and the second transmit analog beamforming vector are two different beamforming vectors.
As one embodiment, the performing is transmitting, the first transmit analog beamforming vector is used for transmit analog beamforming of the first wireless signal in the first time domain resource, and the second transmit analog beamforming vector is used for transmit analog beamforming of the first wireless signal in the second time domain resource.
As an embodiment, the performing is receiving, the base station is assumed to have channel reciprocity, the first transmit analog beamforming vector is used for receive analog beamforming of the first wireless signal in the first time domain resource, and the second transmit analog beamforming vector is used for receive analog beamforming of the first wireless signal in the second time domain resource.
The application discloses a method used in a base station for multi-antenna transmission, which comprises the following steps:
-step a. sending a first signaling;
-step b. executing the first wireless signal;
wherein the first signaling is used to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used for beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for beamforming of the first wireless signal in the second time domain resource. The performing is sending; alternatively, the performing is receiving.
As one embodiment, the performing is transmitting, a target recipient being a recipient of the first wireless signal, the first beamforming vector being used by the target recipient for receive analog beamforming of the first wireless signal in the first time domain resource, the second beamforming vector being used by the target recipient for receive analog beamforming of the first wireless signal in the second time domain resource.
As an embodiment, the performing is receiving, a target sender is a sender of the first wireless signal, the first beamforming vector is used by the target sender for transmit analog beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by the target sender for transmit analog beamforming of the first wireless signal in the second time domain resource.
Specifically, according to an aspect of the present application, the method further includes the steps of:
-step c. transmitting a second wireless signal;
-step d.
Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As an embodiment, the third antenna port group and the fourth antenna port group are two antenna port groups of the K1 antenna ports. The first beamforming vector is used for receive analog beamforming for the third antenna port group and the second beamforming vector is used for receive analog beamforming for the fourth antenna port group.
As an embodiment, the performing is receiving, assuming that channel reciprocity exists, the first beamforming vector is used for transmit analog beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for analog beamforming of the first wireless signal in the second time domain resource.
In particular, according to an aspect of the present application, it is characterized in that transmit diversity precoding combining the first time domain resource and the second time domain resource is used for the transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
Specifically, according to one aspect of the present application, the first signaling is further used to determine at least one of the frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
Specifically, according to an aspect of the present application, the method further includes the steps of:
-step e.
Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
The application discloses a user equipment used for multi-antenna transmission, which comprises the following modules:
-a first receiving module: for receiving a first signaling;
-a first module: for operating on the first wireless signal.
Wherein the first signaling is used to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The operation is receiving; alternatively, the operation is a transmission.
As an embodiment, the above user equipment is characterized in that the first receiving module is further configured to receive a second wireless signal, and the first module is further configured to transmit first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
The application also discloses another user equipment used for multi-antenna transmission, which comprises the following modules:
-a second receiving module: for receiving a first signaling;
-a second module: for operating on the first wireless signal.
Wherein the first signaling is used to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used for beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for beamforming of the first wireless signal in the second time domain resource. The operation is receiving; alternatively, the operation is a transmission.
As an embodiment, the above user equipment is characterized in that the second receiving module is further configured to receive a second wireless signal, and the second module is further configured to transmit the first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As an embodiment, the above user equipment is characterized in that transmit diversity precoding combining the first time domain resource and the second time domain resource is used for transmission of the first radio signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As an embodiment, the above user equipment is characterized in that the first signaling is further used for determining at least one of the frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
As an embodiment, the above user equipment is characterized in that the first receiving module is further configured to receive first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
As an embodiment, the above user equipment is characterized in that the second receiving module is further configured to receive the first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
The application discloses be used for transmission of many antennas base station equipment, wherein, including following module:
-a first sending module: for transmitting a first signaling;
-a third module: for executing the first wireless signal.
Wherein the first signaling is used to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The performing is sending; alternatively, the performing is receiving.
As an embodiment, the base station device is characterized in that the first sending module is further configured to receive a second wireless signal, and the first module is not yet configured to send the first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
The application discloses be used for transmission of many antennas base station equipment, wherein, including following module:
-a second sending module: for transmitting a first signaling;
-a fourth module: for executing the first wireless signal.
Wherein the first signaling is used to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used for beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for beamforming of the first wireless signal in the second time domain resource. The performing is sending; alternatively, the performing is receiving.
As an embodiment, the base station device is characterized in that the second sending module is further configured to send a second wireless signal, and the fourth module is further configured to receive the first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As an embodiment, the base station apparatus is characterized in that transmit diversity precoding combining the first time domain resource and the second time domain resource is used for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As an embodiment, the base station device is characterized in that the first signaling is further used for determining at least one of the frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
As an embodiment, the base station device is characterized in that the first sending module is further configured to send the first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
As an embodiment, the base station device is characterized in that the second sending module is further configured to send the first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
Compared with the traditional scheme, the method has the following advantages:
-a plurality of beamforming vectors are used to generate a plurality of spatial paths, such that data blocks transmitted on the plurality of spatial paths benefit from both beamforming and spatial diversity gains, increasing the robustness of the data transmission;
-time domain resources occupied by the first signalling are used for determining the target time domain resources to reduce signalling overhead;
the number of analog beamforming vectors used is optimized, thereby further increasing the beamforming gain;
the diversity gain can be further improved by using spatial diversity coding on multiple spatial paths where the time resources are orthogonal;
-using the first signalling to indicate more information, increasing the efficiency of use of the first signalling;
-further reducing the overhead of dynamic signalling by using a separate way of configuration messages and activation messages.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof with reference to the accompanying drawings in which:
fig. 1 shows a flow diagram of wireless transmission according to an embodiment of the application;
fig. 2 shows a flow diagram of wireless transmission according to another embodiment of the present application;
fig. 3 shows a schematic diagram of a first antenna port group and a second antenna port group according to an embodiment of the present application;
fig. 4 shows a schematic diagram of a first antenna port group and a second antenna port group according to another embodiment of the present application;
fig. 5 shows a schematic diagram of a first set of beamforming vectors and a second set of beamforming vectors according to an embodiment of the present application;
fig. 6 shows a schematic diagram of a first set of beamforming vectors and a second set of beamforming vectors according to another embodiment of the present application;
FIG. 7 shows a schematic diagram of time domain resources according to an embodiment of the present application;
FIG. 8 illustrates a diagram of transmit diversity precoding that combines a first time domain resource and a second time domain resource in accordance with one embodiment of the present application;
FIG. 9 shows a schematic diagram of analog beamforming of K sets of reference signals according to one embodiment of the present application;
fig. 10 is a schematic diagram illustrating an RS (reference Signal) transmitted by an antenna port in a time-frequency resource block according to an embodiment of the present application
Fig. 11 shows a block diagram of a processing device for use in a UE according to an embodiment of the present application;
fig. 12 shows a block diagram of a processing device for use in a UE according to another embodiment of the present application;
fig. 13 shows a block diagram of a processing device for use in a base station according to an embodiment of the present application;
fig. 14 shows a block diagram of a processing device for use in a base station according to another embodiment of the present application.
Example 1
For N1, transmitting a second wireless signal in step S11; receiving the first information in step S12; transmitting the first configuration information in step S13; transmitting a first signaling in step S14; the first wireless signal is transmitted in step S15.
For U2, receiving a second wireless signal in step S21; transmitting the first information in step S22; receiving first configuration information in step S23; receiving a first signaling in step S24; the first wireless signal is received in step S25.
As sub-embodiment 1 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource.
As sub-embodiment 2 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
As sub-embodiment 3 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 4 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 5 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 6 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 7 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 8 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 9 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 10 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 11 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 12 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 13 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 14 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 15 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 16 of embodiment 1, the first signaling is used by U2 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As a sub-embodiment 17 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource.
As sub-embodiment 18 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As sub-embodiment 19 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 20 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As a sub-embodiment 21 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As a sub-embodiment 22 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 23 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As a sub-embodiment 24 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As a sub-embodiment 25 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 26 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As a sub-embodiment 27 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As a sub-embodiment 28 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 29 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N1 to transmit the second wireless signal, and the first information is used by N1 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N1 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As a sub-embodiment 30 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by N1 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As sub-embodiment 31 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. The first signaling is further used by U2 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
As a sub-embodiment 32 of embodiment 1, the first signaling is used by U2 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U2 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U2 for receive beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U2 for receive beamforming of the first wireless signal in the second time domain resource. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U2 to activate the first configuration information.
Example 2
Embodiment 2 illustrates another flow chart of wireless transmission, as shown in fig. 2. In fig. 2, base station N3 is the serving cell maintenance base station for UE U4. In embodiment 2, N3 reuses steps S11 to S14 in fig. 1 before step S31; u4 reuses steps S21-S24 in FIG. 1 before step S41.
For N3, a first wireless signal is received in step S31.
For U4, a first wireless signal is transmitted in step S41.
As sub-embodiment 1 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource.
As a sub-embodiment 2 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
As sub-embodiment 3 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 4 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 5 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 6 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 7 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As a sub-embodiment 8 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 9 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As sub-embodiment 10 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 11 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As sub-embodiment 12 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As sub-embodiment 13 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As sub-embodiment 14 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As sub-embodiment 15 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 16 of embodiment 2, the first signaling is used by U4 to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 17 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource.
As sub-embodiment 18 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As a sub-embodiment 19 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 20 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As a sub-embodiment 21 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As a sub-embodiment 22 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 23 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As a sub-embodiment 24 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }.
As a sub-embodiment 25 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 26 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 27 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 28 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As sub-embodiment 29 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. K antenna port groups are used by N3 to transmit the second wireless signal, and the first information is used by N3 to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used by N3 to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 30 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. Transmit diversity precoding that combines the first time domain resource and the second time domain resource is used by U4 for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As sub-embodiment 31 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. The first signaling is further used by U4 to determine at least one of the frequency domain resources occupied by the first wireless signal { occupied, MCS, HARQ process number, RV, NDI, transmit antenna port }. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
As a sub-embodiment 32 of embodiment 2, the first signaling is used by U4 to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used by U4 to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used by U4 for transmit beamforming of the first wireless signal in the second time domain resource. The first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used by U4 to activate the first configuration information.
Example 3
Embodiment 3 illustrates a schematic diagram of a first antenna port group and a second antenna port group, as shown in fig. 3.
In embodiment 3, the first antenna port group and the second antenna port group are used by a base station to transmit a first wireless signal in a first time domain resource and a second time domain resource, respectively. The first antenna port group and the second antenna port group are used by a UE to receive the first wireless signal in the first time domain resource and the second time domain resource, respectively. A first transmit analog beamforming vector is used by the base station for transmit beamforming of the first wireless signal in the first time domain resource, a first receive analog beamforming vector is used by the UE for receive beamforming of the first wireless signal in the first time domain resource; a second transmit analog beamforming vector is used by the base station for transmit beamforming of the first wireless signal in the second time domain resource, and a second receive analog beamforming vector is used by the UE for receive beamforming of the first wireless signal in the second time domain resource. The first transmit analog beamforming vector and the first receive analog beamforming vector are used to determine an equivalent channel experienced by signals transmitted through the first antenna port group; the second transmit analog beamforming vector and the second receive analog beamforming vector are used to determine an equivalent channel experienced by signals transmitted through the second group of antenna ports. And the base station indicates the first antenna port group and the second antenna port group of the UE through a first signaling. The UE uses the first receive analog beamforming vector in the first time domain resource and the second receive analog beamforming vector in the second time domain resource according to the indication of the first signaling.
Example 4
Embodiment 4 illustrates another schematic diagram of a first antenna port group and a second antenna port group, as shown in fig. 4.
In embodiment 4, the first antenna port group and the second antenna port group are used by the UE to transmit the first wireless signal in the first time domain resource and the second time domain resource, respectively. The first antenna port group and the second antenna port group are used by a base station to receive the first wireless signal in the first time domain resource and the second time domain resource, respectively. A first transmit analog beamforming vector is used by the UE for transmit beamforming of the first wireless signal in the first time domain resource, a first receive analog beamforming vector is used by the base station for receive beamforming of the first wireless signal in the first time domain resource; a second transmit analog beamforming vector is used by the UE for transmit beamforming of the first wireless signal in the second time domain resource, and a second receive analog beamforming vector is used by the base station for receive beamforming of the first wireless signal in the second time domain resource. The first transmit analog beamforming vector and the first receive analog beamforming vector are used to determine an equivalent channel experienced by signals transmitted through the first antenna port group; the second transmit analog beamforming vector and the second receive analog beamforming vector are used to determine an equivalent channel experienced by signals transmitted through the second group of antenna ports. And the base station indicates the first antenna port group and the second antenna port group of the UE through a first signaling. The UE uses the first transmit analog beamforming vector in the first time domain resource and the second transmit analog beamforming vector in the second time domain resource according to the indication of the first signaling.
Example 5
Embodiment 5 illustrates a schematic diagram of a first beamforming vector group and a second beamforming vector group, as shown in fig. 5.
In embodiment 5, the first beamforming vector group and the second beamforming vector group each include a plurality of beamforming vectors. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors.
As sub-embodiment 1 of embodiment 5, a base station instructs a UE through first signaling to: receiving a first wireless signal in a downlink channel; receive analog beamforming on a first time domain resource for the first wireless signal using one beamforming vector of the first set of beamforming vectors; receive analog beamforming on the first wireless signal on a second time domain resource using one beamforming vector of a second set of beamforming vectors. The UE selects the first beamforming vector from the first set of beamforming vectors to perform receive analog beamforming on the first wireless signal in a first time domain resource, and selects the second beamforming vector from the second set of beamforming vectors to perform receive analog beamforming on the first wireless signal in a second time domain resource.
As sub-embodiment 2 of embodiment 5, a base station instructs a UE through first signaling to: transmitting a first wireless signal on an uplink channel; transmit analog beamforming on a first time domain resource for the first wireless signal using one beamforming vector of the first set of beamforming vectors; transmit analog beamforming on a second time domain resource for the first wireless signal using one beamforming vector of a second set of beamforming vectors. The UE selects the first beamforming vector in the first set of beamforming vectors to transmit analog beamforming for the first wireless signal in a first time domain resource, and selects the second beamforming vector in the second set of beamforming vectors to transmit analog beamforming for the first wireless signal in a second time domain resource.
Example 6
Embodiment 6 illustrates another schematic diagram of the first beamforming vector group and the second beamforming vector group, as shown in fig. 6.
In embodiment 6, each of the first beamforming vector group and the second beamforming vector group includes only one beamforming vector. A first beamforming vector is the beamforming vector in the first set of beamforming vectors and a second beamforming vector is the beamforming vector in the second set of beamforming vectors.
As sub-embodiment 2 of embodiment 6, a base station instructs a UE through first signaling to: receiving a first wireless signal in a downlink channel; receive analog beamforming on a first time domain resource for the first wireless signal using one beamforming vector of the first set of beamforming vectors; receive analog beamforming on the first wireless signal on a second time domain resource using one beamforming vector of a second set of beamforming vectors. The UE performs receive analog beamforming on the first wireless signal in a first time domain resource using the first beamforming vector and performs receive analog beamforming on the first wireless signal in a second time domain resource using the second beamforming vector.
As sub-embodiment 1 of embodiment 6, a base station instructs a UE through first signaling to: transmitting a first wireless signal on an uplink channel; transmit analog beamforming on a first time domain resource for the first wireless signal using one beamforming vector of the first set of beamforming vectors; transmit analog beamforming on a second time domain resource for the first wireless signal using one beamforming vector of a second set of beamforming vectors. The UE performs transmit analog beamforming on the first wireless signal in a first time domain resource using the first beamforming vector and performs transmit analog beamforming on the first wireless signal in a second time domain resource using the second beamforming vector.
Example 7
Embodiment 7 illustrates a schematic diagram of time domain resources, as shown in fig. 7. In fig. 7, the squares filled with gray are time domain resources occupied by the first signaling, the squares filled with oblique lines are time resource blocks in the first time domain resources, and the squares filled with cross lines are time resource blocks in the second time domain resources.
In embodiment 7, the first time domain resource and the second time domain resource are both discontinuous time domain resources, and are composed of time domain resource blocks. And the UE receives the first signaling, and determines a target time domain resource consisting of the first time domain resource and the second time domain resource according to the time domain resource occupied by the first signaling.
As sub-embodiment 1 of embodiment 7, the target time domain resource is a continuous time domain resource immediately following the time domain resource occupied by the first signaling.
As sub-embodiment 2 of embodiment 7, the target time domain resource is a discontinuous time domain resource immediately following the time domain resource occupied by the first signaling.
As a sub-embodiment 3 of the embodiment 7, the target time domain resource is a continuous time domain resource with a certain time interval to the time domain resource occupied by the first signaling.
As a sub-embodiment 4 of the embodiment 7, the target time domain resource is a discontinuous time domain resource with a certain time interval to the time domain resource occupied by the first signaling.
Example 8
Embodiment 8 illustrates a schematic diagram of transmit diversity precoding combining a first time domain resource and a second time domain resource, as shown in fig. 8.
In example 8, y0(0),y0(1),y1(0) And y1(1) Diversity precoded symbols for transmission that combine the first time domain resource and the second time domain resource. y is0(0) Transmitting on time block # 0 of the first time domain resource, y0(1) Transmitting on time block # 1 of the first time domain resource, y1(0) Transmitting on time block # 0 of the second time domain resource, y1(1) X (0) and x (1) are modulation symbols or symbols precoded within an OFDM symbol, b is a column vector of length P generated by x (0) and x (1), b is a column vector of length P, and 4 × P is transmitted over time block # 1 of the second time domain resourceMultiplying transmit diversity precoding matrix W to obtain y0(0),y0(1),y1(0) And y1(1) As follows:
the first row and the third row of the transmit diversity precoding matrix W correspond to twice reuse of the first spatial path, and the second row and the fourth row correspond to twice reuse of the second spatial path.
As sub-example 1 of example 8, the b and W are as follows:
example 9
Example 9 illustrates a schematic diagram of analog beamforming of K sets of reference signals, as shown in fig. 9.
In embodiment 9, the K reference signal groups and the K antenna port groups correspond one-to-one. The number of reference signals in the reference signal group is equal to the number of antenna ports in the corresponding antenna port group.
In embodiment 9, a physical antenna corresponding to one antenna port is divided into S antenna groups, and each of the antenna groups includes a plurality of antennas. And S is a positive integer. The antenna port is formed by overlapping a plurality of antennas in S antenna groups through antenna Virtualization (Virtualization), and mapping coefficients from the plurality of antennas in the S antenna groups to the antenna port form a beam forming vector. One of the antenna groups is connected to the baseband processor through an RF (Radio Frequency) link (Chain). One of the beamforming vectors is formed by a Kronecker product of an analog beamforming vector and a digital beamforming vector. Mapping coefficients of multiple antennas in the same antenna group to the antenna ports form an analog beamforming vector of the antenna group, and different antenna groups included in one antenna port correspond to the same analog beamforming vector. The mapping coefficients of the different RF chains included in one of the antenna ports to the antenna port constitute a digital beamforming vector for this antenna port.
As sub-embodiment 1 of embodiment 9, the reference signal group includes only one reference signal, and the reference signals in the reference signal group are transmitted by the antenna ports in the corresponding transmit antenna port group.
As sub-embodiment 2 of embodiment 9, the reference signal group includes only a plurality of the reference signals, and the plurality of reference signals in the reference signal group are transmitted by a plurality of antenna ports in a corresponding transmission antenna port group, respectively. Different antenna ports in one antenna port group correspond to the same analog beamforming vector.
As sub-embodiment 3 of embodiment 9, different ones of the antenna ports in one of the antenna port groups correspond to different ones of the digital beamforming vectors.
As sub-embodiment 4 of embodiment 9, the K antenna port groups are subsets of M antenna port groups, the UE sends auxiliary information according to measurements on the M antenna port groups, and the base station determines and configures the K antenna port groups for the UE according to the auxiliary information.
Example 10
Embodiment 10 illustrates a schematic diagram of an RS transmitted by an antenna port in a time-frequency resource block according to the present application, as shown in fig. 10. In fig. 10, a square frame identified by a thick line frame is a time-frequency resource block, a small square grid filled with oblique lines is RE occupied by RS sent by a first antenna port in the time-frequency resource block, and a small square grid filled with dots is RE occupied by RS sent by a second antenna port in the time-frequency resource block. The first antenna port and the second antenna port belong to different antenna port groups in the present application, respectively.
As sub-embodiment 1 of embodiment 10, the time-frequency resource block includes 12 subcarriers in the frequency domain.
As sub-embodiment 2 of embodiment 10, the time-frequency resource block includes 14 OFDM (orthogonal frequency Division Multiplexing) symbols in a time domain.
As sub-embodiment 3 of embodiment 10, a pattern of the RS sent by the first antenna port in the time-frequency resource block is the same as a pattern of the RS sent by the second antenna port in the time-frequency resource block.
As a sub-embodiment 4 of embodiment 10, the time-frequency Resource Block is a PRB (Physical Resource Block), the pattern of the RS sent by the first antenna port in the time-frequency Resource Block is a CSI-RS pattern in the PRB, and the pattern of the RS sent by the second antenna port in the time-frequency Resource Block is a CSI-RS pattern in the PRB.
As sub-embodiment 5 of embodiment 10, the antenna port group in this application includes only one antenna port.
Example 11
Embodiment 11 illustrates a block diagram of a processing apparatus used in a UE, as shown in fig. 11. In fig. 11, the UE apparatus 200 is mainly composed of a first receiving module 201 and a first module 202.
In embodiment 11, the first receiving module 201 is configured to receive a first signaling; the first module 202 is for operating a first wireless signal.
In embodiment 11, the first signaling is used to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The operation is receiving; alternatively, the operation is a transmission.
As sub-embodiment 1 of embodiment 11, the first receiving module 201 is also used for receiving the second wireless signal, and the first module 202 is also used for transmitting the first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
As sub-embodiment 2 of embodiment 11, transmit diversity precoding combining the first time domain resource and the second time domain resource is used for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 3 of embodiment 11, the first signaling is further used to determine at least one of frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 4 of embodiment 11, the first receiving module 201 is further configured to receive first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
Example 12
Embodiment 12 is a block diagram illustrating a processing apparatus used in a UE, as shown in fig. 12. In fig. 12, the UE apparatus 300 is mainly composed of a second receiving module 301 and a second module 302.
In embodiment 12, the second receiving module 301 is configured to receive a first signaling; the second module 302 is for operating a first wireless signal.
In embodiment 12, the first signaling is used to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used for beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for beamforming of the first wireless signal in the second time domain resource. The operation is receiving; alternatively, the operation is a transmission.
As sub-embodiment 1 of embodiment 12, the second receiving module 301 is further configured to receive a second wireless signal, and the second module 302 is further configured to transmit the first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As sub-embodiment 2 of embodiment 12, transmit diversity precoding combining the first time domain resource and the second time domain resource is used for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 3 of embodiment 12, the first signaling is further used to determine at least one of frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 4 of embodiment 12, the second receiving module 301 is further configured to receive the first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
Example 13
Embodiment 13 is a block diagram illustrating a processing apparatus used in a base station, as shown in fig. 13. In fig. 13, a base station apparatus 400 is mainly composed of a first transmission module 401 and a third module 402.
In embodiment 13, the first sending module 401 is configured to send a first signaling; the third module 402 is for executing the first wireless signal.
In embodiment 13, the first signaling is used to determine a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first wireless signal is transmitted by the first antenna port group in the first time domain resource, and the first wireless signal is transmitted by the second antenna port group in the second time domain resource. The performing is sending; alternatively, the performing is receiving.
As sub-embodiment 1 of embodiment 13, the first sending module 401 is further configured to send a second wireless signal, and the third module is further configured to receive the first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first antenna port group and the second antenna port group. The K1 is a positive integer greater than 1.
As sub-embodiment 2 of embodiment 13, transmit diversity precoding combining the first time domain resource and the second time domain resource is used for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 3 of embodiment 13, the first signaling is further used to determine at least one of frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 4 of embodiment 13, the first sending module is further configured to send the first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
Example 14
Embodiment 14 is a block diagram illustrating a processing apparatus used in a base station, as shown in fig. 14. In fig. 14, a base station apparatus 500 is mainly composed of a second transmission module 501 and a fourth module 502.
In embodiment 14, the second sending module 501 is configured to send the first signaling; the fourth module 502 is for executing the first wireless signal.
In embodiment 14, the first signaling is used to determine a first beamforming vector group and a second beamforming vector group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used to determine the target time domain resource. The target time domain resource includes a first time domain resource and a second time domain resource. The first beamforming vector is one beamforming vector of the first set of beamforming vectors and the second beamforming vector is one beamforming vector of the second set of beamforming vectors. The first beamforming vector is used for beamforming of the first wireless signal in the first time domain resource, and the second beamforming vector is used for beamforming of the first wireless signal in the second time domain resource. The performing is sending; alternatively, the performing is receiving.
As sub-embodiment 1 of embodiment 14, the second sending module 501 is further configured to send a second wireless signal, and the fourth module 502 is further configured to receive the first information. Wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups. The K is a positive integer greater than 1. The K1 antenna port groups are used to determine the first set of beamforming vectors and the second set of beamforming vectors. The K1 is a positive integer greater than 1.
As sub-embodiment 2 of embodiment 14, transmit diversity precoding combining the first time domain resource and the second time domain resource is used for transmission of the first wireless signal. Wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
As sub-embodiment 3 of embodiment 14, the first signaling is further used to determine at least one of frequency domain resources occupied by the first wireless signal { MCS, HARQ process number, RV, NDI, transmit antenna port }.
As sub-embodiment 4 of embodiment 14, the second sending module 501 is further configured to send the first configuration information. Wherein the first configuration information configures a first time window and a second time window. The first time window and the second time window are orthogonal in the time domain. The first time domain resource is a time domain resource of the target time domain resource within the first time window. The second time domain resource is a time domain resource of the target time domain resource within the second time window. The first signaling is used to activate the first configuration information.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. The UE or the terminal in the application includes but is not limited to a mobile phone, a tablet computer, a notebook, a network card, an NB-IOT terminal, an eMTC terminal and other wireless communication devices. The base station or system device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, and other wireless communication devices.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A user equipment for multi-antenna transmission, comprising the following modules:
-a first receiving module: for receiving a first signaling;
-a first module: for operating on the first wireless signal;
wherein the first signaling is used for determining a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used for determining the target time domain resource; the target time domain resource comprises a first time domain resource and a second time domain resource; the first wireless signal is transmitted by the first antenna port group in the first time domain resource, the first wireless signal is transmitted by the second antenna port group in the second time domain resource; the first signaling is DCI carried by PDCCH; the operation is receiving, the first wireless signal is a data block carried by a PDSCH; or, the operation is transmission, and the first wireless signal is a data block carried by a PUSCH; a first reference signal group is transmitted in the first time domain resource through the first antenna port group, and a second reference signal group is transmitted in the second time domain resource through the second antenna port group; the first and second reference signal groups are DMRSs.
2. The UE of claim 1, wherein the first receiving module is further configured to receive a second wireless signal, and wherein the first module is further configured to send a first message; wherein K antenna port groups are used to transmit the second wireless signal, the first information being used to determine K1 antenna port groups of the K antenna port groups; k is a positive integer greater than 1; the K1 antenna port groups are used to determine the first antenna port group and the second antenna port group; the K1 is a positive integer greater than 1.
3. The user equipment according to claim 1 or 2, characterized in that transmit diversity precoding combining the first time domain resource and the second time domain resource is used for transmission of the first radio signal; wherein two equivalent channels respectively experienced by the first wireless signal on the first time domain resource and the second time domain resource are respectively used as two spatial paths in the transmit diversity precoding.
4. The user equipment of any of claims 1-3, wherein the first signaling is further used to determine at least one of frequency domain resources, MCS, HARQ process number, RV, NDI, or transmit antenna port occupied by the first wireless signal.
5. The UE of any one of claims 1 to 4, wherein the first receiving module is further configured to receive first configuration information; wherein the first configuration information configures a first time window and a second time window; the first time window and the second time window are orthogonal in the time domain; the first time domain resource is a time domain resource of the target time domain resource within the first time window; the second time domain resource is a time domain resource of the target time domain resource within the second time window; the first signaling is used to activate the first configuration information.
6. The UE of any of claims 1 to 5, wherein the portion of the first radio signal in the first time domain resource and the portion of the first radio signal in the second time domain resource belong to two channel-coded codewords, respectively.
7. The UE of any of claims 1 to 5, wherein the portion of the first radio signal in the first time domain resource and the portion in the second time domain resource is a repetition of one code word after channel coding.
8. A base station device used for multi-antenna transmission, comprising the following modules:
-a first sending module: for transmitting a first signaling;
-a third module: for executing the first wireless signal;
wherein the first signaling is used for determining a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used for determining the target time domain resource; the target time domain resource comprises a first time domain resource and a second time domain resource; the first wireless signal is transmitted by the first antenna port group in the first time domain resource, the first wireless signal is transmitted by the second antenna port group in the second time domain resource; the first signaling is DCI carried by PDCCH; the performing is transmitting, the first wireless signal is a data block carried by a PDSCH; or, the performing is receiving, the first wireless signal is a data block carried by a PUSCH; a first reference signal group is transmitted in the first time domain resource through the first antenna port group, and a second reference signal group is transmitted in the second time domain resource through the second antenna port group; the first and second reference signal groups are DMRSs.
9. A method in a user equipment used for multi-antenna transmission, comprising the steps of:
-step a. receiving a first signalling;
-step b. operating on the first wireless signal;
wherein the first signaling is used for determining a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used for determining the target time domain resource; the target time domain resource comprises a first time domain resource and a second time domain resource; the first wireless signal is transmitted by the first antenna port group in the first time domain resource, the first wireless signal is transmitted by the second antenna port group in the second time domain resource; the first signaling is DCI carried by PDCCH; the operation is receiving, the first wireless signal is a data block carried by a PDSCH; or, the operation is transmission, and the first wireless signal is a data block carried by a PUSCH; a first reference signal group is transmitted in the first time domain resource through the first antenna port group, and a second reference signal group is transmitted in the second time domain resource through the second antenna port group; the first and second reference signal groups are DMRSs.
10. A method in a base station used for multi-antenna transmission, comprising the steps of:
-step a. sending a first signaling;
-step b. executing the first wireless signal;
wherein the first signaling is used for determining a first antenna port group and a second antenna port group, a target time domain resource is a time domain resource occupied by the first wireless signal, and the time domain resource occupied by the first signaling is used for determining the target time domain resource; the target time domain resource comprises a first time domain resource and a second time domain resource; the first wireless signal is transmitted by the first antenna port group in the first time domain resource, the first wireless signal is transmitted by the second antenna port group in the second time domain resource; the first signaling is DCI carried by PDCCH; the performing is transmitting, the first wireless signal is a data block carried by a PDSCH; or, the performing is receiving, the first wireless signal is a data block carried by a PUSCH; a first reference signal group is transmitted in the first time domain resource through the first antenna port group, and a second reference signal group is transmitted in the second time domain resource through the second antenna port group; the first and second reference signal groups are DMRSs.
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| WO2014178648A1 (en) * | 2013-05-01 | 2014-11-06 | 엘지전자 주식회사 | Method for transmitting feedback information through terminal to for split beamforming in wireless communication system and apparatus therefor |
| CN110072290B (en) * | 2014-11-12 | 2023-04-07 | 上海朗帛通信技术有限公司 | Communication method and device of LAA system |
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| US20110064159A1 (en) * | 2009-09-14 | 2011-03-17 | Lg Electronics Inc. | Method and apparatus for transmitting downlink signal in a mimo wireless communication system |
| US20160143055A1 (en) * | 2014-11-18 | 2016-05-19 | Telefonaktiebolaget L M Ericsson (Publ) | Signaling adapted csi-rs periodicities in active antenna systems |
| CN105991222A (en) * | 2015-02-12 | 2016-10-05 | 中兴通讯股份有限公司 | Configuration information notification method, acquisition method, device, base station and terminal |
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