WO2019029287A1 - Pucch传输方法、用户设备和装置 - Google Patents
Pucch传输方法、用户设备和装置 Download PDFInfo
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- WO2019029287A1 WO2019029287A1 PCT/CN2018/092949 CN2018092949W WO2019029287A1 WO 2019029287 A1 WO2019029287 A1 WO 2019029287A1 CN 2018092949 W CN2018092949 W CN 2018092949W WO 2019029287 A1 WO2019029287 A1 WO 2019029287A1
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- uplink
- pdcch
- downlink
- pucch
- group
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a PUCCH transmission method, user equipment, and apparatus.
- a new working scenario is defined in the new wireless communication system.
- Two Transmission and Reception Points respectively transmit a Physical Downlink Control Channel (PDCCH) and corresponding physical to the same terminal.
- PDSCH Physical Downlink Shared Channel
- Beam beam
- the corresponding terminal uses different TRPs of different beams for physical uplink control channel (PUCCH) transmission.
- PUCCH physical uplink control channel
- the embodiments of the present invention provide a PUCCH transmission method, a user equipment, and a device, which are used to solve the technical problem that the method or device in the prior art does not support the PUCCH transmission scenario in the new wireless communication system.
- an embodiment of the present invention provides a PUCCH transmission method, where the method includes:
- the PUCCH transmission is performed with the determined uplink beam.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the BPL is used to determine an uplink beam used in PUCCH transmission or a quasi-co-location of a port on a resource of a demodulation reference signal DMRS port of the PUCCH and a resource of the first reference signal QCL relationship;
- Performing PUCCH transmission with the determined uplink beam including:
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- Performing PUCCH transmission with the determined uplink beam including:
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- Performing PUCCH transmission with the determined uplink beam including:
- PUCCH transmission is performed in the QCL relationship.
- determining, according to the obtained indication instruction, a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal, performing PUCCH transmission in the QCL relationship including:
- PUCCH transmission is performed in the QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used in the PUCCH transmission is determined.
- determining, according to the obtained high layer signaling, an uplink beam used when performing PUCCH transmission including:
- the high layer signaling only informs one uplink beam, and based on the obtained high layer signaling, determines to use one uplink beam notified by the high layer signaling to perform PUCCH transmission.
- determining, according to the obtained high layer signaling, an uplink beam used when performing PUCCH transmission including:
- the high layer signaling notifies the plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the When the downlink beam-x corresponds to the first uplink beam of the plurality of beams notified by the high layer signaling, then:
- the PUCCH carries at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the The downlink beam-x corresponds to the first uplink beam of the plurality of beams notified by the high layer signaling, and further receives the PDCCH and/or the PDSCH using the downlink beam-y, and the PDCCH and the downlink beam-y are used.
- Determining to use the first uplink beam to perform transmitting a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-x, and determining to perform the following operations using the second uplink beam: Transmitting a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-y; or
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when only the PDCCH and/or PDSCH using the downlink beam-y is received, and the downlink beam-y is related to the
- the high layer signaling notifies that the second uplink beam in the plurality of uplink beams corresponds, then:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used when performing PUCCH transmission is determined based on the indication signaling received from the PDCCH.
- an ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate that a downlink semi-persistent scheduling SPS resource is released; and/or, the PDCCH corresponds to a PDSCH, The ACK/NACK corresponding to the PDSCH is carried in the PUCCH;
- the PDCCH is a multicast PDCCH.
- any one or combination of the following manners is used:
- An uplink beam that is determined based on the indication signaling in the multiple PDCCHs is used as an uplink beam used for performing PUCCH transmission, where indication contents of respective indication signalings received by the multiple PDCCHs are the same;
- selecting one beam in the at least one uplink beam as the uplink beam used for performing PUCCH transmission includes:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as an uplink beam used for PUCCH transmission.
- selecting one PDCCH in the multiple PDCCHs, and determining an uplink beam used in PUCCH transmission according to the indication signaling received from the selected one PDCCH includes:
- the uplink beam used in the PUCCH transmission is determined according to the received indication signaling in the PDCCH of the downlink secondary beam using the specific number; and Or determining an uplink beam used in PUCCH transmission according to indication signaling in a PDCCH received on a specific numbered secondary cell;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCH transmission is determined according to the indication signaling in the PDCCH using the downlink beam transmission in the secondary beam group, wherein if a beam group is used A plurality of downlink beams are included, and the content indicated by the indication signaling in the multiple PDCCHs that need to perform ACK/NACK feedback at the same time in the same downlink beam group is the same;
- the downlink main beam group is pre-configured or agreed.
- the indication content of the indication signaling in the PDCCH received by using the same group of downlink beams is the same.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the high-level signaling is configured with a downlink primary beam, and an uplink primary beam is determined according to the one downlink primary beam, and the uplink primary beam is determined to be an uplink beam used for performing PUCCH transmission;
- the high-level signaling is pre-configured with a primary beam pair, the primary beam pair includes an uplink primary beam and a downlink primary beam, and the uplink primary beam in the one primary beam pair is determined to be an uplink beam used for performing PUCCH transmission;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or the PDSCH, determining to perform PUCCH transmission by using the first uplink primary beam corresponding to the first beam group, where the PUCCH carries at least an ACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group. /NACK;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or PDSCH, and PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group, and the PDCCH and/or PDSCH related ACK/NACK transmitted using the downlink beam in the second beam group and the The PDCCH and/or PDSCH-related ACK/NACK transmitted using the downlink beam in the first beam group are transmitted at the same time, then:
- the high layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, when only the downlink beam transmission in the second beam group is received. Determining, using the second uplink primary beam corresponding to the second beam group, to perform PUCCH transmission, or determining to use the first uplink primary beam corresponding to the first beam group to perform PUCCH transmission;
- the PUCCH carries an ACK/NACK related to a PDCCH and/or a PDSCH transmitted using a downlink beam in the second beam group.
- an embodiment of the present invention provides another PUCCH transmission method, where the method includes:
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission, including:
- the indication signaling indicates a beam pair relationship BPL, and the BPL is used to determine an uplink beam used in PUCCH transmission or a quasi-co-location QCL of a demodulation reference signal DMRS port of the PUCCH and a port on a resource of the first reference signal. relationship;
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission, including:
- the indication instruction indicates a beam index beam index for identifying an uplink beam for performing PUCCH transmission
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission, including:
- the indication instruction indicates a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal;
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- the indication instruction indicates a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal, and performs PUCCH transmission in the QCL relationship, including:
- the indication signaling indicates one of the plurality of first reference signal resources configured in advance
- the indication signaling indicates at least one port on one of the plurality of first reference signal resources configured in advance
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission, including:
- the indication signaling is sent by high layer signaling.
- the indication signaling is sent by using high layer signaling, including:
- the high layer signaling only informs one uplink beam, and determines that the terminal performs PUCCH transmission by using one uplink beam notified by the high layer signaling.
- the indication signaling is sent by using high layer signaling, including:
- the high layer signaling notifies a plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines that the terminal receives a physical downlink control channel PDCCH and/or a physical downlink shared channel using a downlink beam-x.
- the PDSCH, and the downlink beam-x corresponds to the first uplink beam of the plurality of beams notified by the high layer signaling, then:
- a PUCCH transmission where the PUCCH carries at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies a plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines that the terminal receives a physical downlink control channel PDCCH and/or a physical downlink shared channel using a downlink beam-x.
- a PDSCH and the downlink beam-x corresponds to a first uplink beam of the plurality of beams notified by the high layer signaling, and further receives a PDCCH and/or a PDSCH using a downlink beam-y, and the downlink beam is used.
- the PDCCH and/or PDSCH related ACK/NACK of -y and the PDCCH/NACK related to the PDCCH and/or PDSCH using the downlink beam-x need to be transmitted at the same time, and the downlink beam-y and the high layer letter
- the second uplink beam of the plurality of uplink beams of the notification is corresponding, then:
- the following operations are performed: transmitting a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-x, and performing the following operations using the second uplink beam: Carrying the PUCCH carrying the PDCCH and/or PDSCH related ACK/NACK of the downlink beam-y; or
- the PDCCH and/or PDSCH-related ACK/NACK using the downlink beam-x and the PDCCH and/or PDSCH using the downlink beam-y are transmitted on the same PUCCH.
- the high layer signaling notifies a plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and the terminal is determined to receive only the PDCCH and/or PDSCH using the downlink beam-y, and the downlink beam -y and when the high layer signaling corresponds to the second uplink beam in the plurality of uplink beams, then:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission, including:
- the indication signaling is sent through the PDCCH.
- an ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate that a downlink semi-persistent scheduling SPS resource is released; and/or, the PDCCH corresponds to a PDSCH, The ACK/NACK corresponding to the PDSCH is carried in the PUCCH;
- the PDCCH is a multicast PDCCH.
- any one of the following manners is used. Or combination:
- An uplink beam that is determined based on the indication signaling in the multiple PDCCHs is used as an uplink beam used for performing PUCCH transmission, where indication contents of respective indication signalings received by the multiple PDCCHs are the same;
- selecting one beam in the at least one uplink beam as the uplink beam used for performing PUCCH transmission includes:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as an uplink beam used for PUCCH transmission.
- selecting one PDCCH in the multiple PDCCHs, and determining an uplink beam used in PUCCH transmission according to the indication signaling received from the selected one PDCCH includes:
- the uplink beam used in the PUCCH transmission is determined according to the received indication signaling in the PDCCH of the downlink secondary beam using the specific number; and Or determining an uplink beam used in PUCCH transmission according to indication signaling in a PDCCH received on a specific numbered secondary cell;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCH transmission is determined according to the indication signaling in the PDCCH using the downlink beam transmission in the secondary beam group, wherein if a beam group is used A plurality of downlink beams are included, and the content indicated by the indication signaling in the multiple PDCCHs that need to perform ACK/NACK feedback at the same time in the same downlink beam group is the same;
- the downlink main beam group is pre-configured or agreed.
- the terminal is executed according to the following procedure:
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission, including:
- the high-level signaling pre-configures a downlink primary beam, determines that the terminal determines an uplink primary beam according to the one downlink primary beam, and uses the one uplink primary beam as an uplink beam used for performing PUCCH transmission;
- the high-level signaling pre-configures a primary beam pair, where the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines that the terminal uses the uplink primary beam in the one primary beam pair as the uplink used for PUCCH transmission.
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to be used when receiving the first beam group.
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to be used when receiving the first beam group.
- a PDCCH and/or a PDSCH transmitted by the downlink beam, and a PDCCH and/or a PDSCH transmitted using a downlink beam in the second beam group, and the PDCCH and/or PDSCH-related ACK transmitted using the downlink beam in the second beam group /NACK is transmitted at the same time as the PDCCH/NACK associated with the PDCCH and/or PDSCH transmitted by the downlink beam in the first beam group, then:
- the high-level signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined, when only the second beam group is received.
- the PUCCH carries an ACK/NACK related to a PDCCH and/or a PDSCH transmitted using a downlink beam in the second beam group.
- an embodiment of the present invention provides a user equipment, where the user equipment includes:
- a determining unit configured to determine, according to the obtained indication signaling, an uplink beam beam used when performing PUCCH transmission
- a transmitting unit configured to perform PUCCH transmission with the determined uplink beam.
- the determining unit is configured to determine, according to the obtained indication instruction, a beam pair relationship BPL, where the BPL is used to determine an uplink beam used in PUCCH transmission or a demodulation reference signal of the PUCCH a quasi-co-location QCL relationship between the DMRS port and a port on the resource of the first reference signal;
- the transmitting unit is configured to perform PUCCH transmission by using an uplink beam corresponding to the BPL; or, according to the BPL, determining a QCL relationship between a demodulation reference signal DMRS port of the PUCCH and a port on a resource of the first reference signal PUCCH transmission is performed in the QCL relationship.
- the determining unit is configured to determine, according to the obtained indication instruction, a beam index beam index for identifying an uplink beam for performing PUCCH transmission;
- the transmitting unit is configured to perform PUCCH transmission by using an uplink beam corresponding to the beam index.
- the determining unit is configured to determine, according to the obtained indication instruction, a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal;
- the transmitting unit is configured to perform PUCCH transmission in the QCL relationship.
- the determining unit is configured to determine, according to the obtained indication signaling, one of the plurality of first reference signal resources that are configured in advance, and determine a DMRS port of the PUCCH. And having a QCL relationship with the port on the determined first reference signal resource;
- the transmitting unit is configured to perform PUCCH transmission in the QCL relationship
- the determining unit is configured to determine, according to the obtained indication signaling, one of the plurality of first reference signal resources configured in advance and the at least one port on the one first reference signal resource;
- the DMRS port of the PUCCH has a QCL relationship with the determined at least one port on a first reference signal resource;
- the transmitting unit is configured to perform PUCCH transmission in the QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used in the PUCCH transmission is determined.
- the high layer signaling only informs one uplink beam
- the determining unit is configured to determine, according to the obtained high layer signaling, an uplink beam that is notified by using the high layer signaling to perform PUCCH transmission.
- the high layer signaling notifies a plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and the determining unit is configured to:
- the PUCCH carries at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies a plurality of uplink beams, wherein each uplink beam corresponds to one or a group of downlink beams, and the determining unit is configured to:
- Determining to use the first uplink beam to perform transmitting a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-x, and determining to perform the following operations using the second uplink beam: Transmitting a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-y; or
- the high layer signaling notifies a plurality of uplink beams, wherein each uplink beam corresponds to one or a group of downlink beams, and the determining unit is configured to:
- the higher layer signaling is notified:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- the determining unit is configured to determine, according to the indication signaling received from the PDCCH, an uplink beam used when performing PUCCH transmission.
- an ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate that a downlink semi-persistent scheduling SPS resource is released; and/or, the PDCCH corresponds to a PDSCH, The ACK/NACK corresponding to the PDSCH is carried in the PUCCH;
- the PDCCH is a multicast PDCCH.
- any one or combination of the following manners is used:
- the determining unit is configured to use an uplink beam determined by using the indication signaling in the multiple PDCCHs as an uplink beam used for performing PUCCH transmission, where the indication content of each indication signaling received by the multiple PDCCHs is the same ;
- the transmitting unit is configured to transmit, by using the determined uplink beam, the PDCCH/NACK related to the multiple PDCCHs on the same PUCCH;
- the determining unit is configured to determine, according to each indication signaling received by the multiple PDCCHs, at least one uplink beam, and select one uplink beam in the at least one uplink beam as an uplink beam used for performing PUCCH transmission;
- the transmitting unit is configured to transmit, by using the determined uplink beam, the PDCCH/NACK related to the multiple PDCCHs on the same PUCCH;
- the determining unit is configured to select one PDCCH in the multiple PDCCHs, and determine an uplink beam used in PUCCH transmission according to the indication signaling received from the selected one PDCCH;
- the transmitting unit is configured to transmit, by using the determined uplink beam, the PDCCH/NACK related to the multiple PDCCHs on the same PUCCH;
- the determining unit is configured to:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as an uplink beam used for PUCCH transmission.
- the determining unit is configured to:
- the uplink beam used in the PUCCH transmission is determined according to the received indication signaling in the PDCCH of the downlink secondary beam using the specific number; and Or determining an uplink beam used in PUCCH transmission according to indication signaling in a PDCCH received on a specific numbered secondary cell;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCH transmission is determined according to the indication signaling in the PDCCH using the downlink beam transmission in the secondary beam group, wherein if a beam group is used A plurality of downlink beams are included, and the content indicated by the indication signaling in the multiple PDCCHs that need to perform ACK/NACK feedback at the same time in the same downlink beam group is the same;
- the downlink main beam group is pre-configured or agreed.
- the determining unit is configured to: when multiple downlink beams and multiple uplink beams are divided into multiple groups, use indication signaling in a PDCCH of a downlink beam in the same group to indicate the same group
- the up beam inside then:
- the transmitting unit is configured to transmit, according to the first uplink beam determined by the indication signaling in the PDCCH of the downlink beam-x, a PUCCH carrying the PDCCH-related ACK/NACK using the downlink beam-x, where the downlink beam -x is in the same group as the first upstream beam;
- the transmitting unit is configured to transmit, according to the second uplink beam determined by the indication signaling in the PDCCH of the downlink beam-y, a PUCCH carrying the PDCCH-related ACK/NACK of the downlink beam-y, where the downlink beam -y is in the same group as the second up beam.
- the transmission unit is configured to:
- the high-level signaling is configured with a downlink primary beam, and an uplink primary beam is determined according to the one downlink primary beam, and the uplink primary beam is determined to be an uplink beam used for performing PUCCH transmission;
- the high-level signaling is pre-configured with a primary beam pair, the primary beam pair includes an uplink primary beam and a downlink primary beam, and the uplink primary beam in the one primary beam pair is determined to be an uplink beam used for performing PUCCH transmission;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or the PDSCH, determining to perform PUCCH transmission by using the first uplink primary beam corresponding to the first beam group, where the PUCCH carries at least an ACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group. /NACK;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or PDSCH, and PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group, and the PDCCH and/or PDSCH related ACK/NACK transmitted using the downlink beam in the second beam group and the The PDCCH and/or PDSCH-related ACK/NACK transmitted using the downlink beam in the first beam group are transmitted at the same time, then:
- the high layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, when only the downlink beam transmission in the second beam group is received. Determining, using the second uplink primary beam corresponding to the second beam group, to perform PUCCH transmission, or determining to use the first uplink primary beam corresponding to the first beam group to perform PUCCH transmission;
- the PUCCH carries an ACK/NACK related to a PDCCH and/or a PDSCH transmitted using a downlink beam in the second beam group.
- an embodiment of the present invention provides a device, where the device includes:
- a transmitting unit configured to send indication signaling, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission;
- a determining unit configured to determine that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling.
- the indication signaling indicates a beam pair relationship BPL
- the BPL is used to determine a demodulation reference signal DMRS port of the uplink beam or PUCCH used in the PUCCH transmission and a port on the resource of the first reference signal.
- a determining unit configured to determine, by the terminal, the PUCCH transmission by using the uplink beam corresponding to the BPL; or determining that the terminal determines, according to the BPL, a QCL relationship between the DMRS port of the demodulation reference signal of the PUCCH and the port of the resource of the first reference signal, and is in a QCL relationship Perform PUCCH transmission.
- the indication instruction indicates a beam index beam index for identifying an uplink beam for performing PUCCH transmission
- a determining unit configured to determine, by the terminal, performing PUCCH transmission by using an uplink beam corresponding to the beam index.
- the indication instruction indicates a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal;
- a determining unit configured to determine that the terminal performs PUCCH transmission in a QCL relationship.
- the determining unit is configured to:
- the indication signaling indicates one of the plurality of first reference signal resources configured in advance, determining that the terminal performs PUCCH transmission according to a QCL relationship between a DMRS port of the PUCCH and a port on the first reference signal resource;
- the indication signaling indicates at least one port on one of the plurality of first reference signal resources configured in advance; determining that the terminal follows the DMRS port of the PUCCH and at least one port on a first reference signal resource
- the QCL relationship performs PUCCH transmission.
- the transmission unit is configured to send the indication signaling by using the high layer signaling.
- the determining unit is configured to: when the high layer signaling only informs one uplink beam, determine that the terminal performs PUCCH transmission by using an uplink beam that is notified by the high layer signaling.
- the transmission unit is used to:
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and downlink
- beam-x corresponds to the first uplink beam of the plurality of beams notified by the higher layer signaling, then:
- the PUCCH Performing PUCCH transmission using the first uplink beam, the PUCCH carrying at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and downlink
- the beam-x corresponds to the first uplink beam of the plurality of beams notified by the higher layer signaling, and further receives the PDCCH and/or the PDSCH using the downlink beam-y, and uses the PDCCH and/or PDSCH associated with the downlink beam-y.
- the ACK/NACK and the PDCCH/NACK related to the PDCCH and/or the PDSCH using the downlink beam-x need to be transmitted at the same time, and when the downlink beam-y corresponds to the second uplink beam of the plurality of uplink beams notified by the higher layer signaling, then:
- the following operations are performed: transmitting a PUCCH for carrying a PDCCH and/or a PDSCH-related ACK/NACK using the downlink beam-x, and performing the following operation using the second uplink beam: the transmission is used for the bearer using the downlink beam- PUCCH of PDCCH and/or PDSCH related ACK/NACK of y; or
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when only the PDCCH and/or PDSCH using the downlink beam-y is received, and the downlink beam-y and the high layer signaling are received.
- the second uplink beam in the plurality of uplink beams is notified, then:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- the transmitting unit is configured to send indication signaling by using a PDCCH.
- the ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate the downlink semi-persistent scheduling SPS resource release; and/or the PDCCH corresponds to a PDSCH, and the ACK/NACK corresponding to the PDSCH is carried in PUCCH;
- the PDCCH is a multicast PDCCH.
- the terminal is determined to use any one or combination of the following manners when multiple PDCCHs are received and multiple PDCCH-related ACK/NACK feedbacks are transmitted at the same time:
- a determining unit configured to use an uplink beam that is determined based on the indication signaling in the multiple PDCCHs as an uplink beam used for performing PUCCH transmission, where the indication content of each indication signaling received by the multiple PDCCHs is the same;
- a transmitting unit configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- a determining unit configured to determine, according to each indication signaling received by using multiple PDCCHs, at least one uplink beam, and select one uplink beam in at least one uplink beam as an uplink beam used for performing PUCCH transmission;
- a transmitting unit configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- a determining unit configured to select one PDCCH among multiple PDCCHs, and determine an uplink beam used in PUCCH transmission according to indication signaling received from the selected one PDCCH;
- a transmitting unit configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the determining unit is configured to:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as the uplink beam used for PUCCH transmission.
- the determining unit is configured to:
- the uplink beam used in the PUCCH transmission is determined according to the received indication signaling in the PDCCH of the downlink secondary beam using the specific number; and Or determining an uplink beam used in PUCCH transmission according to indication signaling in a PDCCH received on a specific numbered secondary cell;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCH transmission is determined according to the indication signaling in the PDCCH using the downlink beam transmission in the secondary beam group, wherein if a beam group is used A plurality of downlink beams are included, and the content indicated by the indication signaling in the multiple PDCCHs that need to perform ACK/NACK feedback at the same time in the same downlink beam group is the same;
- the downlink main beam group is pre-configured or agreed.
- the determining unit is configured to indicate that the multiple downlink beams and the multiple uplink beams are divided into multiple groups, and the indication signaling in the PDCCH of the downlink beam in the same group is used to indicate the same group.
- the up beam is:
- a transmitting unit configured to transmit a PUCCH carrying a PDCCH-related ACK/NACK of the downlink beam-x according to the first uplink beam determined by using indication signaling in the PDCCH of the downlink beam-x, where the downlink beam-x and the first An up beam is in the same group;
- a transmitting unit configured to transmit a PUCCH carrying a PDCCH-related ACK/NACK of a downlink beam-y according to a second uplink beam determined by using indication signaling in a PDCCH of a downlink beam-y, where the downlink beam-y and the first The two uplink beams are in the same group.
- the transmission unit is configured to:
- the high-level signaling pre-configures a downlink primary beam, determines that the terminal determines an uplink primary beam according to a downlink primary beam, and uses an uplink primary beam as an uplink beam used for PUCCH transmission;
- the high-level signaling is pre-configured with a primary beam pair.
- the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines that the terminal uses the uplink primary beam of the primary beam pair as the uplink beam used for PUCCH transmission;
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive the downlink beam in the first beam group.
- the PUCCH transmission is performed by using the first uplink primary beam corresponding to the first beam group, and the PUCCH carries at least the ACK/NACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group.
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive the downlink beam in the first beam group.
- the downlink beam transmitted PDCCH and/or PDSCH related ACK/NACK in the first beam group are transmitted at the same time, then:
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive only the downlink in the second beam group.
- the second uplink primary beam corresponding to the second beam group is used for PUCCH transmission, or the first uplink primary beam corresponding to the first beam group is used for PUCCH transmission;
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group.
- an embodiment of the present invention provides another user equipment, where the user equipment includes a processor, and a memory and a transceiver connected to the processor; the processor is configured to read a program in the memory, and perform the following process:
- the control transceiver performs PUCCH transmission with the determined uplink beam.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the BPL is used to determine an uplink beam used in PUCCH transmission or a quasi-co-location of a port on a resource of a demodulation reference signal DMRS port of the PUCCH and a resource of the first reference signal QCL relationship;
- Controlling the transceiver to perform PUCCH transmission with the determined uplink beam including:
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- Controlling the transceiver to perform PUCCH transmission with the determined uplink beam including:
- the control transceiver performs PUCCH transmission with the uplink beam corresponding to the beam index.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- Controlling the transceiver to perform PUCCH transmission with the determined uplink beam including:
- the control transceiver performs PUCCH transmission in the QCL relationship.
- determining, according to the obtained indication instruction, a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal, performing PUCCH transmission in the QCL relationship including:
- the control transceiver performs PUCCH transmission in the QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used in the PUCCH transmission is determined.
- determining, according to the obtained high layer signaling, an uplink beam used when performing PUCCH transmission including:
- the high layer signaling only informs one uplink beam, and based on the obtained high layer signaling, determines to use one uplink beam notified by the high layer signaling to perform PUCCH transmission.
- determining, according to the obtained high layer signaling, an uplink beam used when performing PUCCH transmission including:
- the high layer signaling notifies the plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the When the downlink beam-x corresponds to the first uplink beam of the plurality of beams notified by the high layer signaling, then:
- the PUCCH carries at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the The downlink beam-x corresponds to the first uplink beam of the plurality of beams notified by the high layer signaling, and further receives the PDCCH and/or the PDSCH using the downlink beam-y, and the PDCCH and the downlink beam-y are used.
- Determining to perform, by using the first uplink beam, a control transceiver to transmit a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-x, and determining to perform using the second uplink beam The following operation: transmitting a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-y; or
- the control transceiver Determining to perform, by using the first uplink beam, the control transceiver to transmit the PDCCH and/or PDSCH-related ACK/NACK using the downlink beam-x and the PDCCH using the downlink beam-y on the same PUCCH And/or PDSCH related ACK/NACK;
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when only the PDCCH and/or PDSCH using the downlink beam-y is received, and the downlink beam-y is related to the
- the high layer signaling notifies that the second uplink beam in the plurality of uplink beams corresponds, then:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used when performing PUCCH transmission is determined based on the indication signaling received from the PDCCH.
- the ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate that the downlink semi-persistent scheduling SPS resource is released; and/or the PDCCH corresponds to a PDSCH.
- the ACK/NACK corresponding to the PDSCH is carried in the PUCCH;
- the PDCCH is a multicast PDCCH.
- any one or combination of the following manners is used:
- An uplink beam that is determined based on the indication signaling in the multiple PDCCHs is used as an uplink beam used for performing PUCCH transmission, where indication contents of respective indication signalings received by the multiple PDCCHs are the same;
- selecting one beam in the at least one uplink beam as the uplink beam used for performing PUCCH transmission includes:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as an uplink beam used for PUCCH transmission.
- selecting one PDCCH in the multiple PDCCHs, and determining an uplink beam used in PUCCH transmission according to the indication signaling received from the selected one PDCCH includes:
- the uplink beam used in the PUCCH transmission is determined according to the received indication signaling in the PDCCH of the downlink secondary beam using the specific number; and Or determining an uplink beam used in PUCCH transmission according to indication signaling in a PDCCH received on a specific numbered secondary cell;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCH transmission is determined according to the indication signaling in the PDCCH using the downlink beam transmission in the secondary beam group, wherein if a beam group is used A plurality of downlink beams are included, and the content indicated by the indication signaling in the multiple PDCCHs that need to perform ACK/NACK feedback at the same time in the same downlink beam group is the same;
- the downlink main beam group is pre-configured or agreed.
- the transceiver Controlling, by the transceiver, the PUCCH carrying the PDCCH-related ACK/NACK using the downlink beam-x according to the first uplink beam determined by the indication signaling in the PDCCH of the downlink beam-x, wherein the downlink beam-x and the An up beam is in the same group;
- the transceiver Controlling, by the transceiver, the PUCCH carrying the PDCCH-related ACK/NACK using the downlink beam-y according to the second uplink beam determined by the indication signaling in the PDCCH of the downlink beam-y, wherein the downlink beam-y and the The two uplink beams are in the same group.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the high-level signaling is configured with a downlink primary beam, and an uplink primary beam is determined according to the one downlink primary beam, and the uplink primary beam is determined to be an uplink beam used for performing PUCCH transmission;
- the high-level signaling is pre-configured with a primary beam pair, the primary beam pair includes an uplink primary beam and a downlink primary beam, and the uplink primary beam in the one primary beam pair is determined to be an uplink beam used for performing PUCCH transmission;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or the PDSCH, determining to perform PUCCH transmission by using the first uplink primary beam corresponding to the first beam group, where the PUCCH carries at least an ACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group. /NACK;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or PDSCH, and PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group, and the PDCCH and/or PDSCH related ACK/NACK transmitted using the downlink beam in the second beam group and the The PDCCH and/or PDSCH-related ACK/NACK transmitted using the downlink beam in the first beam group are transmitted at the same time, then:
- the high layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, when only the downlink beam transmission in the second beam group is received. Determining, using the second uplink primary beam corresponding to the second beam group, to perform PUCCH transmission, or determining to use the first uplink primary beam corresponding to the first beam group to perform PUCCH transmission;
- the PUCCH carries an ACK/NACK related to a PDCCH and/or a PDSCH transmitted using a downlink beam in the second beam group.
- an embodiment of the present invention provides another apparatus, where the apparatus includes a processor, and a memory and a transceiver connected to the processor, where the processor is configured to read a program in the memory, and perform the following process:
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission, including:
- the indication signaling indicates a beam pair relationship BPL, and the BPL is used to determine an uplink beam used in PUCCH transmission or a quasi-co-location QCL of a demodulation reference signal DMRS port of the PUCCH and a port on a resource of the first reference signal. relationship;
- control transceiver sends the indication signaling, where the indication signaling is used by the terminal to determine the uplink beam used when performing the PUCCH transmission, including:
- the indication instruction indicates a beam index beam index for identifying an uplink beam for performing PUCCH transmission.
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- control transceiver sends the indication signaling, where the indication signaling is used by the terminal to determine the uplink beam used when performing the PUCCH transmission, including:
- the indication instruction indicates a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal;
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- the indication instruction indicates a QCL relationship between a DMRS port of a PUCCH and all ports or a designated port on a resource of the first reference signal, and performs PUCCH transmission in the QCL relationship, including:
- the indication signaling indicates one of the plurality of first reference signal resources configured in advance
- the indication signaling indicates at least one port on one of the plurality of first reference signal resources configured in advance
- control transceiver sends the indication signaling, where the indication signaling is used by the terminal to determine the uplink beam used when performing the PUCCH transmission, including:
- the control transceiver sends the indication signaling through high layer signaling.
- control transceiver sends the indication signaling by using the high layer signaling, including:
- the high layer signaling only informs one uplink beam, and determines that the terminal performs PUCCH transmission by using one uplink beam notified by the high layer signaling.
- control transceiver sends the indication signaling by using the high layer signaling, including:
- the high layer signaling notifies a plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines that the terminal receives a physical downlink control channel PDCCH and/or a physical downlink shared channel using a downlink beam-x.
- the PDSCH, and the downlink beam-x corresponds to the first uplink beam of the plurality of beams notified by the high layer signaling, then:
- a PUCCH transmission where the PUCCH carries at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies a plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines that the terminal receives a physical downlink control channel PDCCH and/or a physical downlink shared channel using a downlink beam-x.
- a PDSCH and the downlink beam-x corresponds to a first uplink beam of the plurality of beams notified by the high layer signaling, and further receives a PDCCH and/or a PDSCH using a downlink beam-y, and the downlink beam is used.
- the PDCCH and/or PDSCH related ACK/NACK of -y and the PDCCH/NACK related to the PDCCH and/or PDSCH using the downlink beam-x need to be transmitted at the same time, and the downlink beam-y and the high layer letter
- the second uplink beam of the plurality of uplink beams of the notification is corresponding, then:
- the following operations are performed: transmitting a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-x, and performing the following operations using the second uplink beam: Carrying the PUCCH carrying the PDCCH and/or PDSCH related ACK/NACK of the downlink beam-y; or
- Performing the following operations by using the first uplink beam transmitting PDCCH and/or PDSCH related ACK/NACK for using the downlink beam-x, the PDCCH and/or PDSCH related ACK using downlink beam-y /NACK PUCCH;
- the high layer signaling notifies a plurality of uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and the terminal is determined to receive only the PDCCH and/or PDSCH using the downlink beam-y, and the downlink beam -y and when the high layer signaling corresponds to the second uplink beam in the plurality of uplink beams, then:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- control transceiver sends the indication signaling, where the indication signaling is used by the terminal to determine the uplink beam used when performing the PUCCH transmission, including:
- the control transceiver transmits the indication signaling through the PDCCH.
- an ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate that a downlink semi-persistent scheduling SPS resource is released; and/or, the PDCCH corresponds to a PDSCH, The ACK/NACK corresponding to the PDSCH is carried in the PUCCH;
- the PDCCH is a multicast PDCCH.
- any one of the following manners is used. Or combination:
- An uplink beam that is determined based on the indication signaling in the multiple PDCCHs is used as an uplink beam used for performing PUCCH transmission, where indication contents of respective indication signalings received by the multiple PDCCHs are the same;
- selecting one beam in the at least one uplink beam as the uplink beam used for performing PUCCH transmission includes:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as an uplink beam used for PUCCH transmission.
- selecting one PDCCH in the multiple PDCCHs, and determining an uplink beam used in PUCCH transmission according to the indication signaling received from the selected one PDCCH includes:
- the uplink beam used in the PUCCH transmission is determined according to the received indication signaling in the PDCCH of the downlink secondary beam using the specific number; and Or determining an uplink beam used in PUCCH transmission according to indication signaling in a PDCCH received on a specific numbered secondary cell;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCH transmission is determined according to the indication signaling in the PDCCH using the downlink beam transmission in the secondary beam group, wherein if a beam group is used A plurality of downlink beams are included, and the content indicated by the indication signaling in the multiple PDCCHs that need to perform ACK/NACK feedback at the same time in the same downlink beam group is the same;
- the downlink main beam group is pre-configured or agreed.
- the terminal is executed according to the following procedure:
- control transceiver sends the indication signaling, where the indication signaling is used by the terminal to determine the uplink beam used when performing the PUCCH transmission, including:
- the high-level signaling pre-configures a downlink primary beam, determines that the terminal determines an uplink primary beam according to the one downlink primary beam, and uses the one uplink primary beam as an uplink beam used for performing PUCCH transmission;
- the high-level signaling pre-configures a primary beam pair, where the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines that the terminal uses the uplink primary beam in the one primary beam pair as the uplink used for PUCCH transmission.
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to be used when receiving the first beam group.
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to be used when receiving the first beam group.
- a PDCCH and/or a PDSCH transmitted by the downlink beam, and a PDCCH and/or a PDSCH transmitted using a downlink beam in the second beam group, and the PDCCH and/or PDSCH-related ACK transmitted using the downlink beam in the second beam group /NACK is transmitted at the same time as the PDCCH/NACK associated with the PDCCH and/or PDSCH transmitted by the downlink beam in the first beam group, then:
- the high-level signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined, when only the second beam group is received.
- the PUCCH carries an ACK/NACK related to a PDCCH and/or a PDSCH transmitted using a downlink beam in the second beam group.
- a method for determining an uplink beam used for PUCCH transmission in a 5G NR is provided, which can support a PUCCH transmission scenario in a new wireless communication system to ensure correct transmission of the PUCCH.
- the uplink beam used for the PUCCH transmission is determined based on the obtained indication signaling. Therefore, the PUCCH transmission method in the embodiment of the present invention may adjust the uplink to be adopted by using the indication signaling according to actual needs. Beam, able to adapt to a variety of work environments to meet high reliability needs.
- FIG. 1 is a flowchart of a PUCCH transmission method according to an embodiment of the present invention
- FIG. 2 is a flowchart of another PUCCH transmission method according to an embodiment of the present invention.
- FIG. 3 is a structural block diagram of a user equipment according to an embodiment of the present invention.
- FIG. 4 is a structural block diagram of an apparatus according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a device according to an embodiment of the present invention.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE-A Advanced Long Term Evolution
- UMTS Universal Mobile Telecommunication System
- NR New Radio
- the user equipment includes but is not limited to a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a mobile phone (handset). And portable devices, etc., the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), for example, the user equipment can be a mobile phone (or "cellular"
- RAN Radio Access Network
- the user equipment can be a mobile phone (or "cellular"
- the telephone device, the computer with wireless communication function, etc., the user equipment can also be a mobile device that is portable, pocket-sized, handheld, built-in, or in-vehicle.
- a base station may refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
- the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
- IP Internet Protocol
- the base station can also coordinate attribute management of the air interface.
- the base station may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB) in TD-SCDMA or WCDMA, or may be an evolved base station (eNodeB or eNB or e- in LTE).
- NodeB, evolutional Node B), or a base station (gNB) in 5G NR the present invention is not limited.
- the PUCCH is used to transmit uplink control information (UCI, Uplink Control Information), and the UCI includes an acknowledgement/negative acknowledgement (ACK/NACK, ACKnowledgement/Non-ACKnowledgement), channel state information (CSI, Channel State Information), and a scheduling request (SR, Scheduling Request) and other information.
- UCI uplink control information
- ACK/NACK acknowledgement/negative acknowledgement
- CSI channel state information
- SR Scheduling Request
- different TRPs use different beam transmissions.
- a TRP uses a transmit beam to transmit a downlink transmission, such as PDCCH or PDSCH or downlink reference information (such as CSI-RS, etc.)
- the terminal uses different receive beams to receive the downlink transmission, that is, there is a transmit beam and a receive beam.
- the pairing relationship is called Beam Pair Linkage (BPL).
- BPL Beam Pair Linkage
- BPL can be obtained by beam training.
- the downlink side beam corresponding to one or more PDCCHs of the terminal is configured in advance for the terminal to detect the PDCCH.
- Beam can be reflected by notifying the terminal that the DMRS port of one channel and the different CSI-RS configurations (such as ports, resources, etc.) have a quasi-co-location (QCL) relationship, so that a certain CSI-RS can be notified.
- the beam can also be embodied by the BPL.
- the terminal may be pre-configured with multiple BPLs.
- the terminal may determine the corresponding BPL according to the notified BPL index, and send and receive according to the BPL. Beam pairs to determine which beam to use.
- the beam can also be directly reflected by the beam index.
- the terminal is configured or defined multiple beams in advance, and the terminal can determine the beam used according to the beam index of the notification.
- the definitions of the beam above and below are applicable.
- the definitions of the beam for the uplink and the downlink can be the same or different. For example, they are defined by BPL, or both are defined by QCL, or both are defined by beam index. It can also be defined by using BPL or QCL in the downlink, and using the beam index to define the uplink.
- the uplink BPL is a beam pair for uplink channel transmission
- the downlink BPL is a beam pair for downlink channel transmission
- the uplink beam is a beam for uplink channel transmission on the terminal side, and is used for receiving an uplink channel on the base station side.
- the beam, the downlink beam is a beam for receiving the downlink channel at the terminal, and the beam for transmitting the downlink channel at the base station side.
- an embodiment of the present invention provides a PUCCH transmission method, where the method may be used for performing PUCCH transmission between devices, for example, a user equipment (User Equipment, UE) performs PUCCH transmission to a base station.
- the user equipment may be a personal computer (PC), a notebook, a mobile phone, an Internet of Things device, a wearable device, etc., and the specific types of the user equipment are not limited in the embodiment of the present invention.
- the base station can be any receiving node, such as a TRP, a legacy base station, a relay node, and the like.
- Step 101 Determine an uplink beam beam used when performing PUCCH transmission based on the obtained indication signaling.
- Step 102 Perform PUCCH transmission with the determined uplink beam.
- the uplink beam or the downlink beam is specifically expressed as:
- the first type, BPL; base station to terminal BPL and terminal to base station BPL can be obtained by beam training.
- terminal to base station can also be obtained by reciprocity based on base station to terminal BPL.
- BPL that is, the beam used for the uplink transmission can be determined based on the beam used for the downlink transmission;
- the second, beam index; the result of the different transmission/reception combinations (for example, the combination of the used and the coding matrix) that are measured/trained on the resources of the configured plurality of first reference signals are recorded,
- Directly defined as different beams, represented by beam index can define the uplink beam and the downlink beam respectively.
- the corresponding uplink beam can also be obtained based on the downlink beam through reciprocity;
- a corresponding resource or a transmission scheme on the corresponding resource+port when notifying the terminal of a first reference signal resource or resource+port, it is equivalent to notifying the DMRS of the channel with the transmission and the first reference signal resource of the notification.
- the port has a QCL relationship, that is, it needs to be transmitted (received or sent) using the resource or the corresponding transmission scheme on the resource + port, that is, using the corresponding received or transmitted and encoded matrix for transmission.
- the uplink QCL relationship can also be obtained through the downlink QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- a beam pair relationship BPL where the BPL is used to determine a quasi-co-location QCL relationship between a demodulation reference signal DMRS port of an uplink beam or PUCCH used for PUCCH transmission and a port on a resource of the first reference signal;
- Performing PUCCH transmission with the determined uplink beam including:
- the PUCCH transmission is performed by using the uplink beam corresponding to the BPL; or, according to the BPL, the QCL relationship between the demodulation reference signal DMRS port of the PUCCH and the port on the resource of the first reference signal is determined, and the PUCCH transmission is performed in the QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- Performing PUCCH transmission with the determined uplink beam including:
- the PUCCH transmission is performed by using the uplink beam corresponding to the beam index.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- Performing PUCCH transmission with the determined uplink beam including:
- PUCCH transmission is performed in a QCL relationship.
- determining a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal performing PUCCH transmission in a QCL relationship, including:
- PUCCH transmission is performed in a QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used in the PUCCH transmission is determined.
- determining an uplink beam used when performing PUCCH transmission includes:
- the high layer signaling only informs one uplink beam, and based on the obtained high layer signaling, determines an uplink beam that is notified by the higher layer signaling to perform PUCCH transmission.
- determining an uplink beam used when performing PUCCH transmission includes:
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the downlink beam-x When corresponding to the first uplink beam of the plurality of beams notified by the high layer signaling, then:
- the PUCCH carrying at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the downlink beam-x Corresponding to the first uplink beam of the plurality of beams notified by the high layer signaling, and also receiving the PDCCH and/or the PDSCH using the downlink beam-y, and using the PDCCH and/or the PDSCH-related ACK/NACK of the downlink beam-y
- the ACK/NACK associated with the PDCCH and/or PDSCH using the downlink beam-x needs to be transmitted at the same time, and when the downlink beam-y corresponds to the second uplink beam of the plurality of uplink beams notified by the higher layer signaling, then:
- Determining to perform the following operations using the first uplink beam transmitting a PUCCH for carrying a PDCCH and/or PDSCH related ACK/NACK using downlink beam-x, and determining to perform the following operation using the second uplink beam: transmission for bearer use downlink Beam-y PDCCH and/or PDSCH-related ACK/NACK PUCCH; or,
- Determining to perform the following operation using the first uplink beam transmitting PDCCH and/or PDSCH related ACK/NACK using downlink beam-x, and PDCCH and/or PDSCH related ACK/NACK using downlink beam-y on the same PUCCH ;
- the high layer signaling notifies multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when only the PDCCH and/or PDSCH using the downlink beam-y is received, and the downlink beam-y and the upper layer signaling are notified multiple times.
- the second uplink beam in the uplink beam corresponds, then:
- the first uplink beam is different from the second uplink beam
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used when performing PUCCH transmission is determined based on the indication signaling received from the PDCCH.
- the ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate the downlink semi-persistent scheduling SPS resource release; and/or the PDCCH corresponds to a PDSCH, and the ACK/NACK corresponding to the PDSCH is carried in PUCCH;
- the PDCCH is a multicast PDCCH.
- the uplink beam determined based on the multiple indication signaling is used as an uplink beam used for performing PUCCH transmission, where it is always assumed that the indication contents of the respective indication signalings received by the multiple PDCCHs are the same (otherwise, it is considered to be an error case);
- a plurality of PDCCH-related ACK/NACKs are transmitted on the same PUCCH with the determined uplink beam.
- the selection may be further performed according to the selection method, that is, in each group of beams, the corresponding selection rule in the above manner 2 or mode 3 may be reused for selection.
- selecting one beam in at least one uplink beam as the uplink beam used for performing PUCCH transmission includes:
- a secondary beam having a specified number in at least one beam as an uplink beam used for PUCCH transmission; for example, in ascending or descending order of numbers;
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as the uplink beam used for PUCCH transmission.
- selecting one PDCCH in multiple PDCCHs determining, according to indication signaling received from the selected one PDCCH, determining an uplink beam used in PUCCH transmission, including:
- the upstream beam used for example, the priority number (ascending or descending) of the beam or beam group or the cell's specific numbering sequence;
- the uplink beam used in the PUCCH transmission is determined according to the received indication signaling in the PUCCH of the downlink secondary beam that uses the specific number; and Or determining the uplink beam used in the PUCCH transmission according to the indication signaling in the PDCCH received on the specific numbered secondary cell; for example, in ascending or descending order of numbers;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCU transmission is determined according to an instruction carried by the PDCCH received on the downlink beam in the secondary beam group;
- the downlink main beam group is pre-configured or agreed.
- the selection may be further performed according to the selection manner, that is, in each group of beams, the corresponding selection rule in the above manner 2 or mode 3 may be reused for selection. .
- the terminal determines a beam used by the corresponding PUCCH transmission according to the indication information in the corresponding PDCCH, and transmits a corresponding PDCCH-related ACK/NACK on the corresponding PUCCH.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the high-level signaling pre-configures a downlink primary beam, determines an uplink primary beam according to a downlink primary beam, and determines an uplink primary beam as an uplink beam used for performing PUCCH transmission;
- the high-level signaling pre-configures a primary beam pair, the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines an uplink primary beam in a primary beam pair as an uplink beam used for performing PUCCH transmission;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or the PDSCH, determining to use the first uplink primary beam corresponding to the first beam group for PUCCH transmission, where the PUCCH carries at least an ACK/NACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or PDSCH, and using the PDCCH and/or PDSCH transmitted by the downlink beam in the second beam group, and using the PDCCH and/or PDSCH related ACK/NACK transmitted by the downlink beam in the second beam group and using the first beam The PDCCH and/or PDSCH-related ACK/NACK transmitted by the downlink beam in the group are transmitted at the same time, then:
- the uplink primary beam transmits a PUCCH carrying a PDCCH and/or a PDSCH-related ACK/NACK transmitted by the beam in the second beam group;
- the high layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, when only the downlink beam transmission in the second beam group is received. Determining, using the second uplink primary beam corresponding to the second beam group, to perform PUCCH transmission, or determining to use the first uplink primary beam corresponding to the first beam group for PUCCH transmission;
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group.
- an embodiment of the present invention provides another PUCCH transmission method, where the method includes the following steps.
- Step 201 Send indication signaling, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission.
- Step 202 Determine that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling.
- the terminal may be a terminal that applies the method in the first embodiment, and the embodiment of the present invention does not limit this.
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing the PUCCH transmission, including:
- the indication signaling indicates a beam pair relationship BPL, and the BPL is used to determine a quasi-co-location QCL relationship between the demodulation reference signal DMRS port of the uplink beam or PUCCH used in the PUCCH transmission and the port on the resource of the first reference signal;
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing the PUCCH transmission, including:
- the indication instruction indicates a beam index beam index for identifying an uplink beam for performing PUCCH transmission
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- the terminal performs PUCCH transmission with the uplink beam corresponding to the beam index.
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing the PUCCH transmission, including:
- the instruction instruction indicates a QCL relationship between the DMRS port of the PUCCH and all ports or designated ports on the resource of the first reference signal;
- Determining that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling including:
- the indication instruction indicates a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal, and performs PUCCH transmission in a QCL relationship, including:
- the indication signaling indicates one of the plurality of first reference signal resources configured in advance
- the indication signaling indicates at least one port on one of the plurality of first reference signal resources configured in advance
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing the PUCCH transmission, including:
- the indication signaling is sent through high layer signaling.
- the indication signaling is sent by using the high layer signaling, including:
- the high layer signaling only informs one uplink beam, and determines that the terminal performs PUCCH transmission with an uplink beam notified by the higher layer signaling.
- the indication signaling is sent by using the high layer signaling, including:
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and downlink
- beam-x corresponds to the first uplink beam of the plurality of beams notified by the higher layer signaling, then:
- the PUCCH Performing PUCCH transmission using the first uplink beam, the PUCCH carrying at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and downlink
- the beam-x corresponds to the first uplink beam of the plurality of beams notified by the higher layer signaling, and further receives the PDCCH and/or the PDSCH using the downlink beam-y, and uses the PDCCH and/or PDSCH associated with the downlink beam-y.
- the ACK/NACK and the PDCCH/NACK related to the PDCCH and/or the PDSCH using the downlink beam-x need to be transmitted at the same time, and when the downlink beam-y corresponds to the second uplink beam of the plurality of uplink beams notified by the higher layer signaling, then:
- the following operations are performed: transmitting a PUCCH for carrying a PDCCH and/or a PDSCH-related ACK/NACK using the downlink beam-x, and performing the following operation using the second uplink beam: the transmission is used for the bearer using the downlink beam- PUCCH of PDCCH and/or PDSCH related ACK/NACK of y; or
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when only the PDCCH and/or PDSCH using the downlink beam-y is received, and the downlink beam-y and the high layer signaling are received.
- the second uplink beam in the plurality of uplink beams is notified, then:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing the PUCCH transmission, including:
- the indication signaling is sent through the PDCCH.
- the ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate the downlink semi-persistent scheduling SPS resource release; and/or the PDCCH corresponds to a PDSCH, and the ACK/NACK corresponding to the PDSCH is carried in PUCCH;
- the PDCCH is a multicast PDCCH.
- the terminal is determined to use any one or combination of the following manners when multiple PDCCHs are received and multiple PDCCH-related ACK/NACK feedbacks are transmitted at the same time.
- the PDCCH/NACK related to the PDCCH includes: an ACK/NACK of the PDCCH when the PDCCH is the PDCCH indicating the release of the SPS resource, and an ACK of the PDSCH when the PDCCH has the corresponding PDSCH.
- /NACK the foregoing ACK/NACK is transmitted at the same time, which means that the HARQ-ACK feedback timing timing indicated by the PDCCH is the same, or the HARQ-ACK feedback timing timing indicated by the PDCCH and/or the time domain resource indicated in the PDCCH.
- the location is determined by the same time domain location.
- the uplink beam determined based on the indication signaling in the multiple PDCCHs is used as an uplink beam used for performing PUCCH transmission, where the indication contents of the respective indication signalings received by the multiple PDCCHs are the same;
- selecting one beam in at least one uplink beam as the uplink beam used for performing PUCCH transmission includes:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as the uplink beam used for PUCCH transmission.
- selecting one PDCCH in multiple PDCCHs determining, according to indication signaling received from the selected one PDCCH, determining an uplink beam used in PUCCH transmission, including:
- the instruction carried by the PDCCH When the instruction carried by the PDCCH is not received from the downlink primary beam or the primary cell, determining, according to an instruction received by the PDCCH and received from the designated secondary downlink beam, an uplink beam used in PUCCH transmission; and/or, according to Determining, by the PDCCH, an instruction received from the secondary cell, determining an uplink beam used in PUCCH transmission;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCU transmission is determined according to an instruction carried by the PDCCH received on the downlink beam in the secondary beam group;
- the downlink main beam group is pre-configured or agreed.
- the terminal performs the following process:
- the indication signaling is sent, where the indication signaling is used by the terminal to determine an uplink beam used when performing the PUCCH transmission, including:
- the high-level signaling pre-configures a downlink primary beam, determines that the terminal determines an uplink primary beam according to a downlink primary beam, and uses an uplink primary beam as an uplink beam used for PUCCH transmission;
- the high-level signaling is pre-configured with a primary beam pair.
- the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines that the terminal uses the uplink primary beam of the primary beam pair as the uplink beam used for PUCCH transmission;
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive the downlink beam in the first beam group.
- the PUCCH transmission is performed by using the first uplink primary beam corresponding to the first beam group, and the PUCCH carries at least the ACK/NACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group.
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive the downlink beam in the first beam group.
- the downlink beam transmitted PDCCH and/or PDSCH related ACK/NACK in the first beam group are transmitted at the same time, then:
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive only the downlink in the second beam group.
- the second uplink primary beam corresponding to the second beam group is used for PUCCH transmission, or the first uplink primary beam corresponding to the first beam group is used for PUCCH transmission;
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group.
- a user equipment is provided, where the user equipment includes a determining unit 301 and a transmitting unit 302. among them:
- the determining unit 301 is configured to determine, according to the obtained indication signaling, an uplink beam beam used when performing PUCCH transmission;
- the transmitting unit 302 is configured to perform PUCCH transmission with the determined uplink beam.
- the determining unit 301 is configured to determine, according to the obtained indication instruction, a beam pair relationship BPL, where the BPL is used to determine a demodulation reference signal DMRS port of the uplink beam or PUCCH used in PUCCH transmission, and the first a quasi-co-located QCL relationship of ports on the resources of the reference signal;
- the transmitting unit 302 is configured to perform PUCCH transmission by using an uplink beam corresponding to the BPL; or, according to the BPL, determining a QCL relationship between a demodulation reference signal DMRS port of the PUCCH and a port on a resource of the first reference signal, and performing PUCCH transmission in a QCL relationship. .
- the determining unit 301 is configured to determine, according to the obtained indication instruction, a beam index beam index for identifying an uplink beam for performing PUCCH transmission;
- the transmitting unit 302 is configured to perform PUCCH transmission by using an uplink beam corresponding to the beam index.
- the determining unit 301 is configured to determine, according to the obtained indication instruction, a QCL relationship between the DMRS port of the PUCCH and all ports or designated ports on the resource of the first reference signal;
- the transmitting unit 302 is configured to perform PUCCH transmission in a QCL relationship.
- the determining unit 301 is configured to determine, according to the obtained indication signaling, one of the plurality of first reference signal resources that are configured in advance, and determine the DMRS port of the PUCCH and the determined A port on a first reference signal resource has a QCL relationship;
- the transmitting unit 302 is configured to perform PUCCH transmission in a QCL relationship
- the determining unit 301 is configured to determine, according to the obtained indication signaling, one of the plurality of first reference signal resources configured in advance and at least one port on a first reference signal resource; and determine a DMRS port of the PUCCH Having a QCL relationship with at least one port on the determined first reference signal resource;
- the transmitting unit 302 is configured to perform PUCCH transmission in a QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used in the PUCCH transmission is determined.
- the high layer signaling only informs one uplink beam
- the determining unit 301 is configured to determine, according to the obtained high layer signaling, an uplink beam that is notified by using the high layer signaling to perform PUCCH transmission.
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and the determining unit 301 is configured to:
- the PUCCH carrying at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the plurality of uplink beams, wherein each of the uplink beams corresponds to one or a group of downlink beams, and the determining unit 301 is configured to:
- the downlink beam-x corresponds to the first uplink beam of the plurality of beams notified by the high layer signaling, and is also received for use.
- Downlink beam-y PDCCH and/or PDSCH, and PDCCH// or PDSCH-related ACK/NACK using downlink beam-y and PDCCH//ACK associated with PDCCH and/or PDSCH using downlink beam-x need to be transmitted at the same time
- the downlink beam-y corresponds to the second uplink beam of the plurality of uplink beams notified by the high layer signaling, then:
- Determining to perform the following operations using the first uplink beam transmitting a PUCCH for carrying a PDCCH and/or PDSCH related ACK/NACK using downlink beam-x, and determining to perform the following operation using the second uplink beam: transmission for bearer use downlink Beam-y PDCCH and/or PDSCH-related ACK/NACK PUCCH; or,
- the high layer signaling notifies the plurality of uplink beams, wherein each of the uplink beams corresponds to one or a group of downlink beams, and the determining unit 301 is configured to:
- the higher layer signaling is:
- the first uplink beam is different from the second uplink beam
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- the determining unit 301 is configured to determine, according to the indication signaling received from the PDCCH, an uplink beam used when performing PUCCH transmission.
- the ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate the downlink semi-persistent scheduling SPS resource release; and/or the PDCCH corresponds to a PDSCH, and the ACK/NACK corresponding to the PDSCH is carried in PUCCH;
- the PDCCH is a multicast PDCCH.
- any one or combination of the following modes is used:
- the determining unit 301 is configured to use an uplink beam that is determined based on the indication signaling in the multiple PDCCHs as an uplink beam used for performing PUCCH transmission, where the indication content of each indication signaling received by the multiple PDCCHs is the same;
- the transmitting unit 302 is configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the determining unit 301 is configured to determine, according to each indication signaling received by using multiple PDCCHs, at least one uplink beam, and select one uplink beam in the at least one uplink beam as an uplink beam used for performing PUCCH transmission;
- the transmitting unit 302 is configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the determining unit 301 is configured to select one PDCCH among the multiple PDCCHs, and determine an uplink beam used for PUCCH transmission according to the indication signaling received from the selected one PDCCH;
- the transmitting unit 302 is configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the determining unit 301 is configured to:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as the uplink beam used for PUCCH transmission.
- the determining unit 301 is configured to:
- the instruction carried by the PDCCH When the instruction carried by the PDCCH is not received from the downlink primary beam or the primary cell, determining, according to an instruction received by the PDCCH and received from the designated secondary downlink beam, an uplink beam used in PUCCH transmission; and/or, according to Determining, by the PDCCH, an instruction received from the secondary cell, determining an uplink beam used in PUCCH transmission;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCU transmission is determined according to an instruction carried by the PDCCH received on the downlink beam in the secondary beam group;
- the downlink main beam group is pre-configured or agreed.
- the determining unit 301 is configured to: when multiple downlink beams and multiple uplink beams are divided into multiple groups, use indication signaling in a PDCCH of a downlink beam in the same group to indicate the same group. Upstream beam, then:
- the transmitting unit 302 is configured to transmit, according to the first uplink beam determined by using the indication signaling in the PDCCH of the downlink beam-x, a PUCCH carrying a PDCCH-related ACK/NACK of the downlink beam-x, where the downlink beam-x is The first upstream beam is in the same group;
- the transmitting unit 302 is configured to transmit, according to the second uplink beam determined by the indication signaling in the PDCCH of the downlink beam-y, a PUCCH carrying a PDCCH-related ACK/NACK of the downlink beam-y, where the downlink beam-y is The second up beam is in the same group.
- the transmission unit 302 is configured to:
- the high-level signaling pre-configures a downlink primary beam, determines an uplink primary beam according to a downlink primary beam, and determines an uplink primary beam as an uplink beam used for performing PUCCH transmission;
- the high-level signaling pre-configures a primary beam pair.
- the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines an uplink primary beam in a primary beam pair as an uplink beam used for performing PUCCH transmission;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or the PDSCH, determining to use the first uplink primary beam corresponding to the first beam group for PUCCH transmission, where the PUCCH carries at least an ACK/NACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or PDSCH, and using the PDCCH and/or PDSCH transmitted by the downlink beam in the second beam group, and using the PDCCH and/or PDSCH related ACK/NACK transmitted by the downlink beam in the second beam group and using the first beam The PDCCH and/or PDSCH-related ACK/NACK transmitted by the downlink beam in the group are transmitted at the same time, then:
- the uplink primary beam transmits a PUCCH carrying a PDCCH and/or a PDSCH-related ACK/NACK transmitted by the beam in the second beam group;
- the high layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, when only the downlink beam transmission in the second beam group is received. Determining, using the second uplink primary beam corresponding to the second beam group, to perform PUCCH transmission, or determining to use the first uplink primary beam corresponding to the first beam group for PUCCH transmission;
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group.
- an embodiment of the present invention further provides an apparatus, where the apparatus includes a transmission unit 401 and a determining unit 402. among them:
- the transmitting unit 401 is configured to send indication signaling, where the indication signaling is used by the terminal to determine an uplink beam used when performing PUCCH transmission;
- the determining unit 402 is configured to determine that the terminal transmits the PUCCH according to the uplink beam determined according to the indication signaling.
- the indication signaling indicates a beam pair relationship BPL
- the BPL is used to determine a demodulation reference signal DMRS port of the uplink beam or PUCCH used in the PUCCH transmission and a port on the resource of the first reference signal.
- the determining unit 402 is configured to determine that the terminal performs PUCCH transmission with the uplink beam corresponding to the BPL; or, determine that the terminal determines, according to the BPL, a QCL relationship between the demodulation reference signal DMRS port of the PUCCH and the port on the resource of the first reference signal, and uses QCL The relationship is PUCCH transmission.
- the indication instruction indicates a beam index beam index for identifying an uplink beam for performing PUCCH transmission
- the determining unit 402 is configured to determine that the terminal performs PUCCH transmission by using an uplink beam corresponding to the beam index.
- the indication instruction indicates a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal;
- the determining unit 402 is configured to determine that the terminal performs PUCCH transmission in a QCL relationship.
- the determining unit 402 is configured to:
- the indication signaling indicates one of the plurality of first reference signal resources configured in advance, determining that the terminal performs PUCCH transmission according to a QCL relationship between a DMRS port of the PUCCH and a port on the first reference signal resource;
- the indication signaling indicates at least one port on one of the plurality of first reference signal resources configured in advance; determining that the terminal follows the DMRS port of the PUCCH and at least one port on a first reference signal resource
- the QCL relationship performs PUCCH transmission.
- the transmitting unit 401 is configured to send the indication signaling by using the high layer signaling.
- the determining unit 402 is configured to: when the high layer signaling only informs one uplink beam, determine that the terminal performs PUCCH transmission by using an uplink beam that is notified by the high layer signaling.
- the transmission unit 401 is configured to:
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and downlink
- beam-x corresponds to the first uplink beam of the plurality of beams notified by the higher layer signaling, then:
- the PUCCH Performing PUCCH transmission using the first uplink beam, the PUCCH carrying at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and downlink
- the beam-x corresponds to the first uplink beam of the plurality of beams notified by the higher layer signaling, and further receives the PDCCH and/or the PDSCH using the downlink beam-y, and uses the PDCCH and/or PDSCH associated with the downlink beam-y.
- the ACK/NACK and the PDCCH/NACK related to the PDCCH and/or the PDSCH using the downlink beam-x need to be transmitted at the same time, and when the downlink beam-y corresponds to the second uplink beam of the plurality of uplink beams notified by the higher layer signaling, then:
- the following operations are performed: transmitting a PUCCH for carrying a PDCCH and/or a PDSCH-related ACK/NACK using the downlink beam-x, and performing the following operation using the second uplink beam: the transmission is used for the bearer using the downlink beam- PUCCH of PDCCH and/or PDSCH related ACK/NACK of y; or
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, and determines the terminal, when only the PDCCH and/or PDSCH using the downlink beam-y is received, and the downlink beam-y and the high layer signaling are received.
- the second uplink beam in the plurality of uplink beams is notified, then:
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- the transmitting unit 401 is configured to send indication signaling by using a PDCCH.
- the ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate the downlink semi-persistent scheduling SPS resource release; and/or the PDCCH corresponds to a PDSCH, and the ACK/NACK corresponding to the PDSCH is carried in PUCCH;
- the PDCCH is a multicast PDCCH.
- the determining terminal is configured to use any one or combination of the following manners when multiple PDCCHs are received and multiple PDCCH-related ACK/NACK feedbacks are transmitted at the same time:
- the determining unit 402 is configured to use an uplink beam that is determined by using the indication signaling in the multiple PDCCHs as an uplink beam used for performing PUCCH transmission, where the indication content of each indication signaling received by the multiple PDCCHs is the same;
- the transmitting unit 401 is configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the determining unit 402 is configured to determine, according to each indication signaling received by using multiple PDCCHs, at least one uplink beam, and select one uplink beam in the at least one uplink beam as an uplink beam used for performing PUCCH transmission;
- the transmitting unit 401 is configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the determining unit 402 is configured to select one PDCCH in the multiple PDCCHs, and determine, according to the indication signaling received from the selected one PDCCH, an uplink beam used in PUCCH transmission;
- the transmitting unit 401 is configured to transmit, by using the determined uplink beam, multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as the uplink beam used for PUCCH transmission.
- the determining unit 402 is configured to:
- the instruction carried by the PDCCH When the instruction carried by the PDCCH is not received from the downlink primary beam or the primary cell, determining, according to an instruction received by the PDCCH and received from the designated secondary downlink beam, an uplink beam used in PUCCH transmission; and/or, according to Determining, by the PDCCH, an instruction received from the secondary cell, determining an uplink beam used in PUCCH transmission;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCU transmission is determined according to an instruction carried by the PDCCH received on the downlink beam in the secondary beam group;
- the downlink main beam group is pre-configured or agreed.
- the determining unit 402 is configured to indicate the same group by using indication signaling in a PDCCH of a downlink beam in the same group when multiple downlink beams and multiple uplink beams are divided into multiple groups.
- the upstream beam is inside:
- the transmitting unit 401 is configured to transmit, according to the first uplink beam determined by the indication signaling in the PDCCH of the downlink beam-x, a PUCCH carrying a PDCCH-related ACK/NACK of the downlink beam-x, where the downlink beam-x is The first upstream beam is in the same group;
- the transmitting unit 401 is configured to transmit, according to the second uplink beam determined by the indication signaling in the PDCCH of the downlink beam-y, a PUCCH carrying a PDCCH-related ACK/NACK of the downlink beam-y, where the downlink beam-y is The second up beam is in the same group.
- the transmission unit 401 is configured to:
- the high-level signaling pre-configures a downlink primary beam, determines that the terminal determines an uplink primary beam according to a downlink primary beam, and uses an uplink primary beam as an uplink beam used for PUCCH transmission;
- the high-level signaling is pre-configured with a primary beam pair.
- the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines that the terminal uses the uplink primary beam of the primary beam pair as the uplink beam used for PUCCH transmission;
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive the downlink beam in the first beam group.
- the PUCCH transmission is performed by using the first uplink primary beam corresponding to the first beam group, and the PUCCH carries at least the ACK/NACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group.
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive the downlink beam in the first beam group.
- the downlink beam transmitted PDCCH and/or PDSCH related ACK/NACK in the first beam group are transmitted at the same time, then:
- the high-layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, and the terminal is determined to receive only the downlink in the second beam group.
- the second uplink primary beam corresponding to the second beam group is used for PUCCH transmission, or the first uplink primary beam corresponding to the first beam group is used for PUCCH transmission;
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group.
- an embodiment of the present invention provides another user equipment, where the user equipment includes a processor 501, and a memory 502 and a transceiver 503 connected to the processor 501.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 501 and various circuits of memory represented by memory 502.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 503 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
- the user interface 504 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 501 is responsible for managing the bus architecture and general processing, and the memory 502 can store data used by the processor 501 in performing operations.
- the processor 501 is configured to read a program in the memory 502 and perform the following process:
- the control transceiver 503 performs PUCCH transmission with the determined uplink beam.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- a beam pair relationship BPL where the BPL is used to determine a quasi-co-location QCL relationship between a demodulation reference signal DMRS port of an uplink beam or PUCCH used for PUCCH transmission and a port on a resource of the first reference signal;
- the control transceiver 503 performs PUCCH transmission with the determined uplink beam, including:
- the control transceiver 503 performs PUCCH transmission with the uplink beam corresponding to the BPL; or, according to the BPL, determines the QCL relationship between the demodulation reference signal DMRS port of the PUCCH and the port on the resource of the first reference signal, and controls the transceiver 503 to perform the QCL relationship. PUCCH transmission.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the control transceiver 503 performs PUCCH transmission with the determined uplink beam, including:
- the control transceiver 503 performs PUCCH transmission with the uplink beam corresponding to the beam index.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the control transceiver 503 performs PUCCH transmission with the determined uplink beam, including:
- the control transceiver 503 performs PUCCH transmission in a QCL relationship.
- determining a QCL relationship between a DMRS port of the PUCCH and all ports or designated ports on a resource of the first reference signal performing PUCCH transmission in a QCL relationship, including:
- the control transceiver 503 performs PUCCH transmission in a QCL relationship.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used in the PUCCH transmission is determined.
- determining an uplink beam used when performing PUCCH transmission includes:
- the high layer signaling only informs one uplink beam, and based on the obtained high layer signaling, determines an uplink beam that is notified by the higher layer signaling to perform PUCCH transmission.
- determining an uplink beam used when performing PUCCH transmission includes:
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the downlink beam-x When corresponding to the first uplink beam of the plurality of beams notified by the high layer signaling, then:
- the PUCCH carrying at least an acknowledgement ACK/deny response NACK related to the PDCCH and/or PDSCH using the downlink beam-x;
- the high layer signaling notifies the multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when receiving the physical downlink control channel PDCCH and/or the physical downlink shared channel PDSCH using the downlink beam-x, and the downlink beam-x Corresponding to the first uplink beam of the plurality of beams notified by the high layer signaling, and also receiving the PDCCH and/or the PDSCH using the downlink beam-y, and using the PDCCH and/or the PDSCH-related ACK/NACK of the downlink beam-y
- the ACK/NACK associated with the PDCCH and/or PDSCH using the downlink beam-x needs to be transmitted at the same time, and when the downlink beam-y corresponds to the second uplink beam of the plurality of uplink beams notified by the higher layer signaling, then:
- the control transceiver 503 transmits a PUCCH for carrying the PDCCH and/or PDSCH related ACK/NACK using the downlink beam-x, and determines to perform the following operations using the second uplink beam: for transmission a PUCCH carrying a PDCCH and/or a PDSCH-related ACK/NACK using a downlink beam-y; or
- the control transceiver 503 transmits a PDCCH for carrying the downlink beam-x and/or a PDSCH-related ACK/NACK, a downlink beam-y PDCCH, and/or a PDSCH-related ACK/ PUCCH of NACK;
- the high layer signaling notifies multiple uplink beams, where each uplink beam corresponds to one or a group of downlink beams, when only the PDCCH and/or PDSCH using the downlink beam-y is received, and the downlink beam-y and the upper layer signaling are notified multiple times.
- the second uplink beam in the uplink beam corresponds, then:
- the first uplink beam is different from the second uplink beam
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH using the downlink beam-y.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the uplink beam used when performing PUCCH transmission is determined based on the indication signaling received from the PDCCH.
- the ACK/NACK corresponding to the PDCCH is carried in the PUCCH, and the PDCCH is used to indicate the downlink semi-persistent scheduling SPS resource release; and/or the PDCCH corresponds to a PDSCH, and the ACK/NACK corresponding to the PDSCH is carried in PUCCH;
- the PDCCH is a multicast PDCCH.
- any one or combination of the following modes is used:
- the uplink beam determined based on the indication signaling in the multiple PDCCHs is used as an uplink beam used for performing PUCCH transmission, where the indication contents of the respective indication signalings received by the multiple PDCCHs are the same;
- the transceiver 503 Controlling, by the determined uplink beam, the transceiver 503 transmitting multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the transceiver 503 Controlling, by the determined uplink beam, the transceiver 503 transmitting multiple PDCCH-related ACK/NACKs on the same PUCCH;
- the transceiver 503 Controlling, by the determined uplink beam, the transceiver 503 transmitting multiple PDCCH-related ACK/NACKs on the same PUCCH;
- selecting one beam in at least one uplink beam as the uplink beam used for performing PUCCH transmission includes:
- the uplink main beam is pre-configured or agreed
- the uplink beam corresponding to the primary cell is used as an uplink beam used for PUCCH transmission;
- the uplink beam corresponding to the secondary cell is used as the uplink beam used for PUCCH transmission.
- selecting one PDCCH in multiple PDCCHs determining, according to indication signaling received from the selected one PDCCH, determining an uplink beam used in PUCCH transmission, including:
- the instruction carried by the PDCCH When the instruction carried by the PDCCH is not received from the downlink primary beam or the primary cell, determining, according to an instruction received by the PDCCH and received from the designated secondary downlink beam, an uplink beam used in PUCCH transmission; and/or, according to Determining, by the PDCCH, an instruction received from the secondary cell, determining an uplink beam used in PUCCH transmission;
- the downlink main beam and the main cell are pre-configured or agreed;
- the beam used for PUCCU transmission is determined according to an instruction carried by the PDCCH received on the downlink beam in the secondary beam group;
- the downlink main beam group is pre-configured or agreed.
- determining, according to the obtained indication signaling, an uplink beam used when performing PUCCH transmission including:
- the high-level signaling pre-configures a downlink primary beam, determines an uplink primary beam according to a downlink primary beam, and determines an uplink primary beam as an uplink beam used for performing PUCCH transmission;
- the high-level signaling pre-configures a primary beam pair, the primary beam pair includes an uplink primary beam and a downlink primary beam, and determines an uplink primary beam in a primary beam pair as an uplink beam used for performing PUCCH transmission;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or the PDSCH, determining to use the first uplink primary beam corresponding to the first beam group for PUCCH transmission, where the PUCCH carries at least an ACK/NACK related to the PDCCH and/or the PDSCH transmitted by using the downlink beam in the first beam group;
- the high-layer signaling is pre-configured with multiple beam groups, where each beam group corresponds to one uplink primary beam, and each beam group includes one or more downlink beams, when receiving the PDCCH using the downlink beam transmission in the first beam group. And/or PDSCH, and using the PDCCH and/or PDSCH transmitted by the downlink beam in the second beam group, and using the PDCCH and/or PDSCH related ACK/NACK transmitted by the downlink beam in the second beam group and using the first beam The PDCCH and/or PDSCH-related ACK/NACK transmitted by the downlink beam in the group are transmitted at the same time, then:
- the uplink primary beam transmits a PUCCH carrying a PDCCH and/or a PDSCH-related ACK/NACK transmitted by the beam in the second beam group;
- the high layer signaling is pre-configured with a plurality of beam groups, wherein each beam group corresponds to one uplink main beam, and each beam group includes one or more downlink beams, when only the downlink beam transmission in the second beam group is received. Determining, using the second uplink primary beam corresponding to the second beam group, to perform PUCCH transmission, or determining to use the first uplink primary beam corresponding to the first beam group for PUCCH transmission;
- the PUCCH carries an ACK/NACK related to the PDCCH and/or PDSCH transmitted using the downlink beam in the second beam group.
Abstract
Description
Claims (60)
- 一种物理上行控制信道PUCCH传输方法,其特征在于,所述方法包括:基于获得的指示信令,确定进行PUCCH传输时使用的上行波束beam;以所确定的上行beam进行PUCCH传输。
- 如权利要求1所述的方法,其特征在于,基于获得的指示信令,确定进行PUCCH传输时使用的上行beam,包括:基于获得的指示指令,确定波束对关系BPL,所述BPL用于确定PUCCH传输时使用的上行beam或所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的准共址QCL关系;以所确定的上行beam进行PUCCH传输,包括:以所述BPL对应的上行beam进行PUCCH传输;或者,根据所述BPL,确定所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的QCL关系,以所述QCL关系进行PUCCH传输。
- 如权利要求1所述的方法,其特征在于,基于获得的指示信令,确定进行PUCCH传输时使用的上行beam,包括:基于获得的指示指令,确定用于标识进行PUCCH传输的上行beam的波束索引beam index;以所确定的上行beam进行PUCCH传输,包括:以所述beam index对应的上行beam进行PUCCH传输。
- 如权利要求1所述的方法、其特征在于,基于获得的指示信令,确定进行PUCCH传输时使用的上行beam,包括:基于获得的指示指令,确定所述PUCCH的DMRS端口与第一参考信号的资源上的所有端口或指定端口的QCL关系;以所确定的上行beam进行PUCCH传输,包括:以所述QCL关系进行PUCCH传输。
- 如权利要求4所述的方法,其特征在于,基于获得的指示指令,确定所述PUCCH的DMRS端口与第一参考信号的资源上的所有端口或指定端口的QCL关系,以所述QCL关系进行PUCCH传输,包括:基于获得的指示信令,确定预先配置的多个第一参考信号资源中的一个第一参考信号资源;确定所述PUCCH的DMRS端口与所述确定的一个第一参考信号资源上的端口具有QCL关系;以所述QCL关系进行PUCCH传输;或者,基于获得的指示信令,确定预先配置的多个第一参考信号资源中的一个第一参考信号资源以及所述一个第一参考信号资源上的至少一个端口;确定所述PUCCH的DMRS端口与所述确定的一个第一参考信号资源上的所述至少一个端口具有QCL关系;以所述QCL关系进行PUCCH传输。
- 如权利要求1-5中任一项所述的方法,其特征在于,基于获得的指示信令,确定进行PUCCH传输时使用的上行beam,包括:基于获得的高层信令,确定进行PUCCH传输时使用的上行beam。
- 如权利要求6所述的方法,其特征在于,基于获得的高层信令,确定进行PUCCH传输时使用的上行beam,包括:所述高层信令仅通知一个上行beam,基于获得的高层信令,确定使用所述高层信令通知的一个上行beam进行PUCCH传输。
- 如权利要求6所述的方法,其特征在于,基于获得的高层信令,确定进行PUCCH传输时使用的上行beam,包括:所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam对应时,则:确定使用所述第一上行beam进行PUCCH传输,所述PUCCH至少承载与所述使用所述下行beam-x的PDCCH和/或PDSCH相关的确认应答ACK/否认应答NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam对应,且还接收到使用下行beam-y的PDCCH和/或PDSCH,且所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK与所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK需要在同一时刻传输,且所述下行beam-y与所述高层信令通知的多个上行beam中的第二上行beam对应时,则:确定使用所述第一上行beam执行以下操作:传输用于承载所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH,以及确定使用所述第二上行beam执行以下操作:传输用于承载所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,确定使用所述第一上行beam执行以下操作:在同一个PUCCH上传输所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK、以及所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,当仅接收到使用下行beam-y的PDCCH和/或PDSCH,且所述下行beam-y与所述高层信令通知多个上行beam中的第二上行beam对应时,则:确定使用所述第二上行beam进行PUCCH传输;或者,确定使用所述第一上行beam进行PUCCH传输,所述第一上行beam不同于所述第二上行beam;其中,所述PUCCH承载与所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK。
- 如权利要求1-5中任一项所述的方法,其特征在于,基于获得的指示信令,确定进行PUCCH传输时使用的上行beam,包括:基于从PDCCH接收的指示信令,确定进行PUCCH传输时使用的上行beam。
- 如权利要求9所述的方法,其特征在于,所述PDCCH对应的ACK/NACK承载在所述PUCCH中,且所述PDCCH用于指示下行半持续调度SPS资源释放;和/或,所述PDCCH对应一PDSCH,所述PDSCH对应的ACK/NACK承载在所述PUCCH中;或者,所述PDCCH为组播PDCCH。
- 如权利要求9或10所述的方法,其特征在于,当接收到多个所述PDCCH,且多个所述PDCCH相关的ACK/NACK反馈在同一时刻传输时,使用下述方式中的任意一种或组合:方式1:将基于所述多个PDCCH中的指示信令确定的上行beam作为进行PUCCH传输时使用的上行beam,其中,所述多个PDCCH接收的各个指示信令的指示内容相同;以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式2:基于通过所述多个PDCCH接收的各个指示信令确定至少一个上行beam,在所述至少一个上行beam中选择一个上行beam作为进行PUCCH传输时使用的上行beam;以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式3:在所述多个PDCCH中选择一个PDCCH,根据从选择的一个PDCCH接收的指示信令, 确定PUCCH传输时使用的上行beam;以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;
- 如权利要求11所述的方法,其特征在于,在所述至少一个上行beam中选择一个beam作为进行PUCCH传输时使用的上行beam,包括:根据预先配置或约定的上行beam优先级或小区cell的优先级,在所述至少一个上行beam中选择一个作为PUCCH传输所使用的上行beam;或者,当所述至少一个上行beam中包含预先配置或约定的上行主beam时,确定所述上行主beam作为PUCCH传输所使用的上行beam;以及当所述至少一个上行beam不包含所述上行主beam时,确定所述至少一个beam中具有指定编号的辅beam作为PUCCH传输所使用的上行beam;其中,上行主beam为预先配置或约定的;或者,当所述至少一个上行beam中存在预先配置或约定的主cell所对应的上行beam时,将所述主cell对应的上行beam作为PUCCH传输时使用的上行beam;以及当所述至少一个上行beam中不存在与所述主cell对应的上行beam时,将辅cell对应的上行beam作为PUCCH传输时使用的上行beam。
- 如权利要求11所述的方法,其特征在于,在所述多个PDCCH中选择一个PDCCH,根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam,包括:根据预先配置或约定的下行beam优先级、下行beam组优先级或cell优先级,从所述多个PDCCH中选择优先级最高的一个PDCCH,根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam;或者,根据使用下行主beam传输的PDCCH中的指示信令,确定PUCCH传输使用的上行beam;和/或,根据在主cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;以及,当未接收到使用下行主beam传输的PDCCH或未在主cell接收到PDCCH时,根据接收到的使用特定编号的下行辅beam的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;和/或,根据在特定编号的辅cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;其中,下行主beam、主cell为预先配置或约定的;或者,根据使用下行主beam组中的至少一个下行beam传输的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;以及当未接收到使用下行主beam组中任何一个下行beam的PDCCH时,根据使用辅beam组中的下行beam传输的PDCCH中的指示信令确定进行PUCCH传输所使用的beam,其中,如果一个beam组中包含多个下行beam,则同一个下行beam组中需要在同一个时刻进行ACK/NACK反馈的多个PDCCH中的指示信令所指示的内容相同;其中,下行主beam组为预先配置或约定的。
- 如权利要求9或10所述的方法,其特征在于,当多个下行beam与多个上行beam被分为多个组,使用同一组中的下行beam的PDCCH中的指示信令指示同一组内的上行beam,则:根据使用下行beam-x的PDCCH中的指示信令确定的第一上行beam,传输承载所述使用下行beam-x的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-x与第一上行beam在同一组中;根据使用下行beam-y的PDCCH中的指示信令确定的第二上行beam,传输承载所述使用下行beam-y的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-y与第二上行beam在同一组中;其中,使用同一组的下行beam接收到的PDCCH中的指示信令的指示内容相同。
- 如权利要求1-5中任一项所述的方法,其特征在于,基于获得的指示信令,确定进行PUCCH传输时使用的上行beam,包括:高层信令预先配置一个下行主beam,根据所述一个下行主beam确定一个上行主beam,确定所述一个上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置一个主beam对,所述主beam对包含一个上行主beam和一个下行主beam,确定所述一个主beam对中的上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,当接收到使用第一beam组中的下行beam传输的PDCCH和/或PDSCH时,确定使用所述第一beam组对应的第一上行主beam进行PUCCH传输,所述PUCCH至少承载与使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个 beam组包含一个或多个下行beam,当接收到使用第一beam组中的下行beam传输的PDCCH和/或PDSCH,以及使用第二beam组中的下行beam传输的PDCCH和/或PDSCH,且所述使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK与所述使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK在同一时刻传输,则:确定使用所述第一beam组对应的第一上行主beam,传输承载所述使用第一beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;以及确定使用所述第二beam组对应的第二上行主beam,传输承载所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,确定使用所述第一beam组对应的第一上行主beam,在同一个PUCCH上传输承载所述使用第一beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK以及所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,当仅接收到使用第二beam组中的下行beam传输的PDCCH和/或PDSCH时,确定使用所述第二beam组对应的第二上行主beam进行PUCCH传输,或者,确定使用所述第一beam组对应的第一上行主beam进行PUCCH传输;其中,所述PUCCH承载与使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK。
- 一种物理上行控制信道PUCCH传输方法,其特征在于,所述方法包括:发送指示信令,所述指示信令用于终端确定进行PUCCH传输时使用的上行beam;确定所述终端按照根据所述指示信令确定的上行beam传输PUCCH。
- 如权利要求16所述的方法,其特征在于,发送指示信令,所述指示信令用于终端确定进行PUCCH传输时使用的上行beam,包括:所述指示信令指示波束对关系BPL,所述BPL用于确定PUCCH传输时使用的上行beam或所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的准共址QCL关系;确定所述终端按照根据所述指示信令确定的上行beam传输PUCCH,包括:确定所述终端以所述BPL对应的上行beam进行PUCCH传输;或者,确定所述终端根据所述BPL确定所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的QCL关系,并以所述QCL关系进行PUCCH传输。
- 如权利要求16所述的方法,其特征在于,发送指示信令,所述指示信令用于终 端确定进行PUCCH传输时使用的上行beam,包括:所述指示指令指示用于标识进行PUCCH传输的上行beam的波束索引beam index;确定所述终端按照根据所述指示信令确定的上行beam传输PUCCH,包括:确定所述终端以所述beam index对应的上行beam进行PUCCH传输。
- 如权利要求16所述的方法、其特征在于,发送指示信令,所述指示信令用于终端确定进行PUCCH传输时使用的上行beam,包括:所述指示指令指示PUCCH的DMRS端口与第一参考信号的资源上的所有端口或指定端口的QCL关系;确定所述终端按照根据所述指示信令确定的上行beam传输PUCCH,包括:确定所述终端以所述QCL关系进行PUCCH传输。
- 如权利要求19所述的方法,其特征在于,所述指示指令指示PUCCH的DMRS端口与第一参考信号的资源上的所有端口或指定端口的QCL关系,并以所述QCL关系进行PUCCH传输,包括:所述指示信令指示预先配置的多个第一参考信号资源中的一个第一参考信号资源;确定所述终端按照PUCCH的DMRS端口与所述一个第一参考信号资源上的端口的QCL关系进行PUCCH传输;或者,所述指示信令指示预先配置的多个第一参考信号资源中的一个第一参考信号资源上的至少一个端口;确定所述终端按照PUCCH的DMRS端口与所述一个第一参考信号资源上的所述至少一个端口的QCL关系进行PUCCH传输。
- 如权利要求1-20中任一项所述的方法,其特征在于,发送指示信令,所述指示信令用于终端确定进行PUCCH传输时使用的上行beam,包括:通过高层信令发送所述指示信令。
- 如权利要求21所述的方法,其特征在于,通过高层信令发送所述指示信令,包括:所述高层信令仅通知一个上行beam,确定所述终端以所述高层信令通知的一个上行beam进行PUCCH传输。
- 如权利要求21所述的方法,其特征在于,通过高层信令发送所述指示信令,包括:所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,确定所述终端,当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam 对应时,则:使用所述第一上行beam进行PUCCH传输,所述PUCCH至少承载与所述使用所述下行beam-x的PDCCH和/或PDSCH相关的确认应答ACK/否认应答NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,确定所述终端,当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam对应,且还接收到使用下行beam-y的PDCCH和/或PDSCH,且所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK与所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK需要在同一时刻传输,且所述下行beam-y与所述高层信令通知的多个上行beam中的第二上行beam对应时,则:使用所述第一上行beam执行以下操作:传输用于承载所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH,以及使用所述第二上行beam执行以下操作:传输用于承载所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,使用所述第一上行beam执行以下操作:在同一个PUCCH上传输所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK、以及所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,确定所述终端,当仅接收到使用下行beam-y的PDCCH和/或PDSCH,且所述下行beam-y与所述高层信令通知多个上行beam中的第二上行beam对应时,则:使用所述第二上行beam进行PUCCH传输;或者,使用所述第一上行beam进行PUCCH传输,所述第一上行beam不同于所述第二上行beam;其中,所述PUCCH承载与所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK。
- 如权利要求16-20中任一项所述的方法,其特征在于,发送指示信令,所述指示信令用于终端确定进行PUCCH传输时使用的上行beam,包括:通过PDCCH发送所述指示信令。
- 如权利要求24所述的方法,其特征在于,所述PDCCH对应的ACK/NACK承载在所述PUCCH中,且所述PDCCH用于指示下行半持续调度SPS资源释放;和/或,所述PDCCH对应一PDSCH,所述PDSCH对应的ACK/NACK承载在所述PUCCH中;或者,所述PDCCH为组播PDCCH。
- 如权利要求24或25所述的方法,其特征在于,确定所述终端,当接收到多个所述PDCCH,且多个所述PDCCH相关的ACK/NACK反馈在同一时刻传输时,使用下述方式中的任意一种或组合:方式1:将基于所述多个PDCCH中的指示信令确定的上行beam作为进行PUCCH传输时使用的上行beam,其中,所述多个PDCCH接收的各个指示信令的指示内容相同;以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式2:基于通过所述多个PDCCH接收的各个指示信令确定至少一个上行beam,在所述至少一个上行beam中选择一个上行beam作为进行PUCCH传输时使用的上行beam;以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式3:在所述多个PDCCH中选择一个PDCCH,根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam;以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;
- 如权利要求26所述的方法,其特征在于,在所述至少一个上行beam中选择一个beam作为进行PUCCH传输时使用的上行beam,包括:根据预先配置或约定的上行beam优先级或小区cell的优先级,在所述至少一个上行beam中选择一个作为PUCCH传输所使用的上行beam;或者,当所述至少一个上行beam中包含预先配置或约定的上行主beam时,确定所述上行主beam作为PUCCH传输所使用的上行beam;以及当所述至少一个上行beam不包含所述上行主beam时,确定所述至少一个beam中具有指定编号的辅beam作为PUCCH传输所使用的上行beam;其中,上行主beam为预先配置或约定的;或者,当所述至少一个上行beam中存在预先配置或约定的主cell所对应的上行beam时,将所述主cell对应的上行beam作为PUCCH传输时使用的上行beam;以及当所述至少一个上行beam中不存在与所述主cell对应的上行beam时,将辅cell对应的上行beam作为PUCCH传输时使用的上行beam。
- 如权利要求26所述的方法,其特征在于,在所述多个PDCCH中选择一个PDCCH, 根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam,包括:根据预先配置或约定的下行beam优先级、下行beam组优先级或cell优先级,从所述多个PDCCH中选择优先级最高的一个PDCCH,根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam;或者,根据使用下行主beam传输的PDCCH中的指示信令,确定PUCCH传输使用的上行beam;和/或,根据在主cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;以及,当未接收到使用下行主beam传输的PDCCH或未在主cell接收到PDCCH时,根据接收到的使用特定编号的下行辅beam的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;和/或,根据在特定编号的辅cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;其中,下行主beam、主cell为预先配置或约定的;或者,根据使用下行主beam组中的至少一个下行beam传输的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;以及当未接收到使用下行主beam组中任何一个下行beam的PDCCH时,根据使用辅beam组中的下行beam传输的PDCCH中的指示信令确定进行PUCCH传输所使用的beam,其中,如果一个beam组中包含多个下行beam,则同一个下行beam组中需要在同一个时刻进行ACK/NACK反馈的多个PDCCH中的指示信令所指示的内容相同;其中,下行主beam组为预先配置或约定的。
- 如权利要求24或25所述的方法,其特征在于,当多个下行beam与多个上行beam被分为多个组,使用同一组中的下行beam的PDCCH中的指示信令指示同一组内的上行beam,则确定所述终端按照下述过程执行:判定使用同一组的下行beam接收到的PDCCH中的指示信令的指示内容相同;根据使用下行beam-x的PDCCH中的指示信令确定的第一上行beam,传输承载所述使用下行beam-x的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-x与第一上行beam在同一组中;根据使用下行beam-y的PDCCH中的指示信令确定的第二上行beam,传输承载所述使用下行beam-y的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-y与第二上行beam在同一组中;其中,使用同一组的下行beam接收到的PDCCH中的指示信令的指示内容相同。
- 如权利要求16-20中任一项所述的方法,其特征在于,发送指示信令,所述指示信令用于终端确定进行PUCCH传输时使用的上行beam,包括:高层信令预先配置一个下行主beam,确定所述终端根据所述一个下行主beam确定一个上行主beam,并以所述一个上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置一个主beam对,所述主beam对包含一个上行主beam和一个下行主beam,确定所述终端以所述一个主beam对中的上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,确定所述终端,当接收到使用第一beam组中的下行beam传输的PDCCH和/或PDSCH时,使用所述第一beam组对应的第一上行主beam进行PUCCH传输,所述PUCCH至少承载与使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,确定所述终端,当接收到使用第一beam组中的下行beam传输的PDCCH和/或PDSCH,以及使用第二beam组中的下行beam传输的PDCCH和/或PDSCH,且所述使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK与所述使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK在同一时刻传输,则:使用所述第一beam组对应的第一上行主beam,传输承载所述使用第一beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;以及使用所述第二beam组对应的第二上行主beam,传输承载所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,使用所述第一beam组对应的第一上行主beam,在同一个PUCCH中传输所述使用第一beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK、所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,确定所述终端,当仅接收到使用第二beam组中的下行beam传输的PDCCH和/或PDSCH时,使用所述第二beam组对应的第二上行主beam 进行PUCCH传输,或者,使用所述第一beam组对应的第一上行主beam进行PUCCH传输;其中,所述PUCCH承载与使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK。
- 一种用户设备,其特征在于,所述用户设备包括:确定单元,用于基于获得的指示信令,确定进行PUCCH传输时使用的上行波束beam;传输单元,用于以所确定的上行beam进行PUCCH传输。
- 如权利要求31所述的用户设备,其特征在于,所述确定单元,用于基于获得的指示指令,确定波束对关系BPL,所述BPL用于确定PUCCH传输时使用的上行beam或所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的准共址QCL关系;所述传输单元,用于以所述BPL对应的上行beam进行PUCCH传输;或者,根据所述BPL,确定所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的QCL关系,以所述QCL关系进行PUCCH传输。
- 如权利要求31所述的用户设备,其特征在于,所述确定单元,用于基于获得的指示指令,确定用于标识进行PUCCH传输的上行beam的波束索引beam index;所述传输单元,用于以所述beam index对应的上行beam进行PUCCH传输。
- 如权利要求31所述的用户设备、其特征在于,所述确定单元,用于基于获得的指示指令,确定所述PUCCH的DMRS端口与第一参考信号的资源上的所有端口或指定端口的QCL关系;所述传输单元,用于以所述QCL关系进行PUCCH传输。
- 如权利要求34所述的用户设备,其特征在于,所述确定单元,用于基于获得的指示信令,确定预先配置的多个第一参考信号资源中的一个第一参考信号资源;确定所述PUCCH的DMRS端口与所述确定的一个第一参考信号资源上的端口具有QCL关系;所述传输单元,用于以所述QCL关系进行PUCCH传输;或者,所述确定单元,用于基于获得的指示信令,确定预先配置的多个第一参考信号资源中的一个第一参考信号资源以及所述一个第一参考信号资源上的至少一个端口;确定所述PUCCH的DMRS端口与所述确定的一个第一参考信号资源上的所述至少一个端口具有QCL关系;所述传输单元,用于以所述QCL关系进行PUCCH传输。
- 如权利要求31-35中任一项所述的用户设备,其特征在于,基于获得的指示信令,确定进行PUCCH传输时使用的上行beam,包括:基于获得的高层信令,确定进行PUCCH传输时使用的上行beam。
- 如权利要求36所述的用户设备,其特征在于,所述高层信令仅通知一个上行beam,所述确定单元,用于基于获得的高层信令,确定使用所述高层信令通知的一个上行beam进行PUCCH传输。
- 如权利要求36所述的用户设备,其特征在于,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,所述确定单元,用于:当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam对应时,则:确定使用所述第一上行beam进行PUCCH传输,所述PUCCH至少承载与所述使用所述下行beam-x的PDCCH和/或PDSCH相关的确认应答ACK/否认应答NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,所述确定单元,用于:当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam对应,且还接收到使用下行beam-y的PDCCH和/或PDSCH,且所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK与所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK需要在同一时刻传输,且所述下行beam-y与所述高层信令通知的多个上行beam中的第二上行beam对应时,则:确定使用所述第一上行beam执行以下操作:传输用于承载所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH,以及确定使用所述第二上行beam执行以下操作:传输用于承载所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,确定使用所述第一上行beam执行以下操作:在同一个PUCCH上传输所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK、以及所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,所述确定单元,用于:当仅接收到使用下行beam-y的PDCCH和/或PDSCH,且所述下行beam-y与所述高层信令通知多个上行beam中的第二上行beam对应时,则:确定使用所述第二上行beam进行PUCCH传输;或者,确定使用所述第一上行beam进行PUCCH传输,所述第一上行beam不同于所述第二上行beam;其中,所述PUCCH承载与所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK。
- 如权利要求31-35中任一项所述的用户设备,其特征在于,所述确定单元,用于:基于从PDCCH接收的指示信令,确定进行PUCCH传输时使用的上行beam。
- 如权利要求39所述的用户设备,其特征在于,所述PDCCH对应的ACK/NACK承载在所述PUCCH中,且所述PDCCH用于指示下行半持续调度SPS资源释放;和/或,所述PDCCH对应一PDSCH,所述PDSCH对应的ACK/NACK承载在所述PUCCH中;或者,所述PDCCH为组播PDCCH。
- 如权利要求39或40所述的用户设备,其特征在于,当接收到多个所述PDCCH,且多个所述PDCCH相关的ACK/NACK反馈在同一时刻传输时,使用下述方式中的任意一种或组合:方式1:所述确定单元,用于将基于所述多个PDCCH中的指示信令确定的上行beam作为进行PUCCH传输时使用的上行beam,其中,所述多个PDCCH接收的各个指示信令的指示内容相同;所述传输单元,用于以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式2:所述确定单元,用于基于通过所述多个PDCCH接收的各个指示信令确定至少一个上行beam,在所述至少一个上行beam中选择一个上行beam作为进行PUCCH传输时使用的上行beam;所述传输单元,用于以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式3:所述确定单元,用于在所述多个PDCCH中选择一个PDCCH,根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam;所述传输单元,用于以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;
- 如权利要求41所述的用户设备,其特征在于,所述确定单元,用于:根据预先配置或约定的上行beam优先级或小区cell的优先级,在所述至少一个上行 beam中选择一个作为PUCCH传输所使用的上行beam;或者,当所述至少一个上行beam中包含预先配置或约定的上行主beam时,确定所述上行主beam作为PUCCH传输所使用的上行beam;以及当所述至少一个上行beam不包含所述上行主beam时,确定所述至少一个beam中具有指定编号的辅beam作为PUCCH传输所使用的上行beam;其中,上行主beam为预先配置或约定的;或者,当所述至少一个上行beam中存在预先配置或约定的主cell所对应的上行beam时,将所述主cell对应的上行beam作为PUCCH传输时使用的上行beam;以及当所述至少一个上行beam中不存在与所述主cell对应的上行beam时,将辅cell对应的上行beam作为PUCCH传输时使用的上行beam。
- 如权利要求41所述的用户设备,其特征在于,所述确定单元,用于:根据预先配置或约定的下行beam优先级、下行beam组优先级或cell优先级,从所述多个PDCCH中选择优先级最高的一个PDCCH,根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam;或者,根据使用下行主beam传输的PDCCH中的指示信令,确定PUCCH传输使用的上行beam;和/或,根据在主cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;以及,当未接收到使用下行主beam传输的PDCCH或未在主cell接收到PDCCH时,根据接收到的使用特定编号的下行辅beam的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;和/或,根据在特定编号的辅cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;其中,下行主beam、主cell为预先配置或约定的;或者,根据使用下行主beam组中的至少一个下行beam传输的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;以及当未接收到使用下行主beam组中任何一个下行beam的PDCCH时,根据使用辅beam组中的下行beam传输的PDCCH中的指示信令确定进行PUCCH传输所使用的beam,其中,如果一个beam组中包含多个下行beam,则同一个下行beam组中需要在同一个时刻进行ACK/NACK反馈的多个PDCCH中的指示信令所指示的内容相同;其中,下行主beam组为预先配置或约定的。
- 如权利要求39或40所述的用户设备,其特征在于,所述确定单元,用于当多个下行beam与多个上行beam被分为多个组,使用同一组中的下行beam的PDCCH中的指示信令指示同一组内的上行beam,则:判定使用同一组的下行beam接收到的PDCCH中的指示信令的指示内容相同;所述传输单元,用于根据使用下行beam-x的PDCCH中的指示信令确定的第一上行beam,传输承载所述使用下行beam-x的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-x与第一上行beam在同一组中;所述传输单元,用于根据使用下行beam-y的PDCCH中的指示信令确定的第二上行beam,传输承载所述使用下行beam-y的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-y与第二上行beam在同一组中;其中,使用同一组的下行beam接收到的PDCCH中的指示信令的指示内容相同。
- 如权利要求41-45中任一项所述的用户设备,其特征在于,所述传输单元,用于:高层信令预先配置一个下行主beam,根据所述一个下行主beam确定一个上行主beam,确定所述一个上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置一个主beam对,所述主beam对包含一个上行主beam和一个下行主beam,确定所述一个主beam对中的上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,当接收到使用第一beam组中的下行beam传输的PDCCH和/或PDSCH时,确定使用所述第一beam组对应的第一上行主beam进行PUCCH传输,所述PUCCH至少承载与使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,当接收到使用第一beam组中的下行beam传输的PDCCH和/或PDSCH,以及使用第二beam组中的下行beam传输的PDCCH和/或PDSCH,且所述使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK与所述使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK在同一时刻传输,则:确定使用所述第一beam组对应的第一上行主beam,传输承载所述使用第一beam组 中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;以及确定使用所述第二beam组对应的第二上行主beam,传输承载所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,确定使用所述第一beam组对应的第一上行主beam,在同一个PUCCH上传输承载所述使用第一beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK以及所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,当仅接收到使用第二beam组中的下行beam传输的PDCCH和/或PDSCH时,确定使用所述第二beam组对应的第二上行主beam进行PUCCH传输,或者,确定使用所述第一beam组对应的第一上行主beam进行PUCCH传输;其中,所述PUCCH承载与使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK。
- 一种装置,其特征在于,所述装置包括:传输单元,用于发送指示信令,所述指示信令用于终端确定进行PUCCH传输时使用的上行beam;确定单元,用于确定所述终端按照根据所述指示信令确定的上行beam传输PUCCH。
- 如权利要求46所述的装置,其特征在于,所述指示信令指示波束对关系BPL,所述BPL用于确定PUCCH传输时使用的上行beam或所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的准共址QCL关系;所述确定单元,用于确定所述终端以所述BPL对应的上行beam进行PUCCH传输;或者,确定所述终端根据所述BPL确定所述PUCCH的解调参考信号DMRS端口与第一参考信号的资源上的端口的QCL关系,并以所述QCL关系进行PUCCH传输。
- 如权利要求46所述的装置,其特征在于,所述指示指令指示用于标识进行PUCCH传输的上行beam的波束索引beam index;所述确定单元,用于确定所述终端以所述beam index对应的上行beam进行PUCCH传输。
- 如权利要求46所述的装置,其特征在于,所述指示指令指示PUCCH的DMRS端口与第一参考信号的资源上的所有端口或指定端口的QCL关系;所述确定单元,用于确定所述终端以所述QCL关系进行PUCCH传输。
- 如权利要求49所述的装置,其特征在于,所述确定单元,用于:在所述指示信令指示预先配置的多个第一参考信号资源中的一个第一参考信号资源 时,确定所述终端按照PUCCH的DMRS端口与所述一个第一参考信号资源上的端口的QCL关系进行PUCCH传输;或者,在所述指示信令指示预先配置的多个第一参考信号资源中的一个第一参考信号资源上的至少一个端口时;确定所述终端按照PUCCH的DMRS端口与所述一个第一参考信号资源上的所述至少一个端口的QCL关系进行PUCCH传输。
- 如权利要求46-50中任一项所述的装置,其特征在于,所述传输单元用于通过高层信令发送所述指示信令。
- 如权利要求51所述的装置,其特征在于,所述确定单元,用于在所述高层信令仅通知一个上行beam时,确定所述终端以所述高层信令通知的一个上行beam进行PUCCH传输。
- 如权利要求51所述的装置,其特征在于,所述传输单元用于:所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,确定所述终端,当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam对应时,则:使用所述第一上行beam进行PUCCH传输,所述PUCCH至少承载与所述使用所述下行beam-x的PDCCH和/或PDSCH相关的确认应答ACK/否认应答NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,确定所述终端,当接收到使用下行beam-x的物理下行控制信道PDCCH和/或物理下行共享信道PDSCH,且所述下行beam-x与所述高层信令通知的多个beam中的第一上行beam对应,且还接收到使用下行beam-y的PDCCH和/或PDSCH,且所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK与所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK需要在同一时刻传输,且所述下行beam-y与所述高层信令通知的多个上行beam中的第二上行beam对应时,则:使用所述第一上行beam执行以下操作:传输用于承载所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH,以及使用所述第二上行beam执行以下操作:传输用于承载所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,使用所述第一上行beam执行以下操作:在同一个PUCCH上传输所述使用下行beam-x的PDCCH和/或PDSCH相关的ACK/NACK、以及所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK;或者,所述高层信令通知多个上行beam,其中每个上行beam对应一个或一组下行beam,确定所述终端,当仅接收到使用下行beam-y的PDCCH和/或PDSCH,且所述下行beam-y与所述高层信令通知多个上行beam中的第二上行beam对应时,则:使用所述第二上行beam进行PUCCH传输;或者,使用所述第一上行beam进行PUCCH传输,所述第一上行beam不同于所述第二上行beam;其中,所述PUCCH承载与所述使用下行beam-y的PDCCH和/或PDSCH相关的ACK/NACK。
- 如权利要求46-50中任一项所述的装置,其特征在于,所述传输单元用于通过PDCCH发送所述指示信令。
- 如权利要求54所述的装置,其特征在于,所述PDCCH对应的ACK/NACK承载在所述PUCCH中,且所述PDCCH用于指示下行半持续调度SPS资源释放;和/或,所述PDCCH对应一PDSCH,所述PDSCH对应的ACK/NACK承载在所述PUCCH中;或者,所述PDCCH为组播PDCCH。
- 如权利要求54或55所述的装置,其特征在于,确定所述终端,当接收到多个所述PDCCH,且多个所述PDCCH相关的ACK/NACK反馈在同一时刻传输时,使用下述方式中的任意一种或组合:方式1:所述确定单元,用于将基于所述多个PDCCH中的指示信令确定的上行beam作为进行PUCCH传输时使用的上行beam,其中,所述多个PDCCH接收的各个指示信令的指示内容相同;所述传输单元,用于以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式2:所述确定单元,用于基于通过所述多个PDCCH接收的各个指示信令确定至少一个上行beam,在所述至少一个上行beam中选择一个上行beam作为进行PUCCH传输时使用的上行beam;所述传输单元,用于以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;方式3:所述确定单元,用于在所述多个PDCCH中选择一个PDCCH,根据从选择的一个 PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam;所述传输单元,用于以所确定的上行beam,在同一个PUCCH上传输所述多个PDCCH相关的ACK/NACK;
- 如权利要求56所述的装置,其特征在于,所述确定单元,用于:根据预先配置或约定的上行beam优先级或小区cell的优先级,在所述至少一个上行beam中选择一个作为PUCCH传输所使用的上行beam;或者,当所述至少一个上行beam中包含预先配置或约定的上行主beam时,确定所述上行主beam作为PUCCH传输所使用的上行beam;以及当所述至少一个上行beam不包含所述上行主beam时,确定所述至少一个beam中具有指定编号的辅beam作为PUCCH传输所使用的上行beam;其中,上行主beam为预先配置或约定的;或者,当所述至少一个上行beam中存在预先配置或约定的主cell所对应的上行beam时,将所述主cell对应的上行beam作为PUCCH传输时使用的上行beam;以及当所述至少一个上行beam中不存在与所述主cell对应的上行beam时,将辅cell对应的上行beam作为PUCCH传输时使用的上行beam。
- 如权利要求56所述的装置,其特征在于,所述确定单元,用于:根据预先配置或约定的下行beam优先级、下行beam组优先级或cell优先级,从所述多个PDCCH中选择优先级最高的一个PDCCH,根据从选择的一个PDCCH接收的指示信令,确定PUCCH传输时使用的上行beam;或者,根据使用下行主beam传输的PDCCH中的指示信令,确定PUCCH传输使用的上行beam;和/或,根据在主cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;以及,当未接收到使用下行主beam传输的PDCCH或未在主cell接收到PDCCH时,根据接收到的使用特定编号的下行辅beam的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;和/或,根据在特定编号的辅cell上接收到的PDCCH中的指示信令,确定PUCCH传输时使用的上行beam;其中,下行主beam、主cell为预先配置或约定的;或者,根据使用下行主beam组中的至少一个下行beam传输的PDCCH中的指示信令,确定 PUCCH传输时使用的上行beam;以及当未接收到使用下行主beam组中任何一个下行beam的PDCCH时,根据使用辅beam组中的下行beam传输的PDCCH中的指示信令确定进行PUCCH传输所使用的beam,其中,如果一个beam组中包含多个下行beam,则同一个下行beam组中需要在同一个时刻进行ACK/NACK反馈的多个PDCCH中的指示信令所指示的内容相同;其中,下行主beam组为预先配置或约定的。
- 如权利要求54或55所述的装置,其特征在于,所述确定单元,用于在当多个下行beam与多个上行beam被分为多个组,使用同一组中的下行beam的PDCCH中的指示信令指示同一组内的上行beam时:判定使用同一组的下行beam接收到的PDCCH中的指示信令的指示内容相同;所述传输单元,用于根据使用下行beam-x的PDCCH中的指示信令确定的第一上行beam,传输承载所述使用下行beam-x的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-x与第一上行beam在同一组中;所述传输单元,用于根据使用下行beam-y的PDCCH中的指示信令确定的第二上行beam,传输承载所述使用下行beam-y的PDCCH相关的ACK/NACK的PUCCH,其中,下行beam-y与第二上行beam在同一组中;其中,使用同一组的下行beam接收到的PDCCH中的指示信令的指示内容相同。
- 如权利要求46-50中任一项所述的装置,其特征在于,所述传输单元,用于:高层信令预先配置一个下行主beam,确定所述终端根据所述一个下行主beam确定一个上行主beam,并以所述一个上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置一个主beam对,所述主beam对包含一个上行主beam和一个下行主beam,确定所述终端以所述一个主beam对中的上行主beam为进行PUCCH传输时使用的上行beam;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,确定所述终端,当接收到使用第一beam组中的下行beam传输的PDCCH和/或PDSCH时,使用所述第一beam组对应的第一上行主beam进行PUCCH传输,所述PUCCH至少承载与使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,确定所述终端,当接收到使用第一beam组中的下行 beam传输的PDCCH和/或PDSCH,以及使用第二beam组中的下行beam传输的PDCCH和/或PDSCH,且所述使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK与所述使用第一beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK在同一时刻传输,则:使用所述第一beam组对应的第一上行主beam,传输承载所述使用第一beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;以及使用所述第二beam组对应的第二上行主beam,传输承载所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK的PUCCH;或者,使用所述第一beam组对应的第一上行主beam,在同一个PUCCH中传输所述使用第一beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK、所述使用第二beam组中的beam传输的PDCCH和/或PDSCH相关的ACK/NACK;或者,高层信令预先配置有多个beam组,其中每个beam组对应一个上行主beam,且每个beam组包含一个或多个下行beam,确定所述终端,当仅接收到使用第二beam组中的下行beam传输的PDCCH和/或PDSCH时,使用所述第二beam组对应的第二上行主beam进行PUCCH传输,或者,使用所述第一beam组对应的第一上行主beam进行PUCCH传输;其中,所述PUCCH承载与使用第二beam组中的下行beam传输的PDCCH和/或PDSCH相关的ACK/NACK。
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Also Published As
Publication number | Publication date |
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KR20220013026A (ko) | 2022-02-04 |
CN109391435B (zh) | 2021-05-25 |
JP7395464B2 (ja) | 2023-12-11 |
TW201911795A (zh) | 2019-03-16 |
TWI687080B (zh) | 2020-03-01 |
EP3668237A1 (en) | 2020-06-17 |
JP2020530718A (ja) | 2020-10-22 |
US11343807B2 (en) | 2022-05-24 |
KR20200037389A (ko) | 2020-04-08 |
EP3668237A4 (en) | 2020-06-17 |
US20200229178A1 (en) | 2020-07-16 |
CN109391435A (zh) | 2019-02-26 |
KR102527591B1 (ko) | 2023-04-28 |
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