H04W72/044

Method and apparatus for transmitting and receiving signal by using multiple beams in wireless communication system

A method performed by a user equipment (UE) in a wireless communication system includes receiving, from a base station (BS), physical downlink shared channel (PDSCH) configuration information including a list of transmission configuration indicator (TCI) states, receiving, from the BS, a PDSCH media access control element (MAC CE) including information indicating activation of at least one TCI state in the list, identifying whether the PDSCH MAC CE is a MAC CE capable of indicating two or more TCI states for one TCI codepoint, receiving, from the BS, downlink control information (DCI) including information indicating a TCI codepoint, and receiving, from the BS, data via a PDSCH based on the information indicating activation of the at least one TCI state, a result of the identifying, and the information indicating the TCI codepoint.

Enhancements to reception reliability for data and control information

Enhancing reception reliability for control information or data information includes receiving: a first configuration for a CORESET and a second configuration for a second CORESET; a first PDCCH, in the first CORESET or the second CORESET, including a first DCI format; and a first PDSCH, scheduled by the first DCI format, including a TB. The method further includes transmitting a first PUCCH including a first HARQ-ACK codebook and a second PUCCH including a second HARQ-ACK codebook. HARQ-ACK information, in response to receiving the TB, is included in: the first HARQ-ACK codebook when the first PDCCH is received in the first CORESET and the second HARQ-ACK codebook when the first PDCCH is received in the second CORESET.

Enhancements to reception reliability for data and control information

Enhancing reception reliability for control information or data information includes receiving: a first configuration for a CORESET and a second configuration for a second CORESET; a first PDCCH, in the first CORESET or the second CORESET, including a first DCI format; and a first PDSCH, scheduled by the first DCI format, including a TB. The method further includes transmitting a first PUCCH including a first HARQ-ACK codebook and a second PUCCH including a second HARQ-ACK codebook. HARQ-ACK information, in response to receiving the TB, is included in: the first HARQ-ACK codebook when the first PDCCH is received in the first CORESET and the second HARQ-ACK codebook when the first PDCCH is received in the second CORESET.

Protocols for multi-access point coordinated multi-user transmissions

Methods, systems, and devices for wireless communications are described. An access point (AP) may transmit, to a second AP and during a first portion of a transmission opportunity (TxOP), a request to participate in a multi-user (MU) transmission. The AP may receive, from the second AP and during the first portion of the TxOP, an indication of intent to participate in the MU transmission during the second portion of the TxOP, the indication of intent including a resource request of the second AP for participation in the MU transmission. The AP may transmit, during an initial period of the second portion of the TxOP, a trigger signal to the second AP indicating a set of one or more resources for the second AP during the MU transmission. The AP may participate, in conjunction with the second AP and during the second portion of the TxOP, in the MU transmission.

Protocols for multi-access point coordinated multi-user transmissions

Methods, systems, and devices for wireless communications are described. An access point (AP) may transmit, to a second AP and during a first portion of a transmission opportunity (TxOP), a request to participate in a multi-user (MU) transmission. The AP may receive, from the second AP and during the first portion of the TxOP, an indication of intent to participate in the MU transmission during the second portion of the TxOP, the indication of intent including a resource request of the second AP for participation in the MU transmission. The AP may transmit, during an initial period of the second portion of the TxOP, a trigger signal to the second AP indicating a set of one or more resources for the second AP during the MU transmission. The AP may participate, in conjunction with the second AP and during the second portion of the TxOP, in the MU transmission.

Beam selection for initiating random access during conditional handover execution

Conditional handover (CHO) configurations may include random access channel (RACH) configuration information (e.g., beam quality thresholds, beam quality threshold offsets, one or more beams associated with configured contention free random access (CFRA) resources, one or more beams associated with configured contention based random access (CBRA) resources, or some combination thereof). A user equipment (UE) may, upon detection that a handover condition in a CHO configuration has been satisfied, select a target cell beam for transmission of a random access request based on the RACH configuration information included in the CHO configuration. In various examples, the selected beam may correspond to a highest quality beam with a highest quality beam measurement value above the beam quality threshold, a beam with an earliest configured CFRA resource or an earliest configured CBRA resource (e.g., if a corresponding beam measurement at least falls within the beam quality threshold offset), etc.

Method and device in UE and base station used for channel coding

The present disclosure discloses a method and a device in a User and a base station used for channel coding. A first node determines a first bit block; performs channel coding; and transmits a first radio signal. Bits in the first bit block are used to generate bits in a second bit block. The bits in the first bit block and in the second bit block are used for an input to the channel coding, an output after the channel coding is used to generate the first radio signal. Channel coding is based on a polar code. A sub-channel occupied by a target first type bit is related to the number of bits in the second bit block related to the target first type bit. The target first type bit belongs to the first bit block. The disclosure can improve decoding performance of polar codes and reduce complexity of decoding.

Wireless telecommunications apparatuses and methods for allocating downlink resources

There is provided a method of transmitting downlink control-related information to a terminal in a wireless telecommunications system. The method comprises allocating downlink resources in a first set of resources for sending the downlink control-related information; determining that a further downlink transmission will be transmitted using at least part of the allocated downlink resources thereby identifying a collision between the downlink control-related information transmission and the further downlink transmission; upon identifying a collision, allocating a second set of resources for sending the downlink control-related information; and transmitting the downlink control-related information using at least the second set of resources.

Method and device in communication node for wireless communication

The disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information and then receives a first radio signal; only X1 bit(s) in a first bit block is(are) used for generating the first radio signal, the first bit block is obtained as an output of channel coding of a first code block, the first code block includes a positive integer number of bit(s), and the first bit block includes a positive integer number of bit(s); when channel decoding fails, at least X2 bit(s) in the first bit block can be used for decoding of the first code block with combining, the first information is used for determining the X2 bit(s), and the X2 is a positive integer. The disclosure reduces requirements on a buffer and reduces complexity.

Applying a common beam for multiple signals to a default physical downlink shared channel (PDSCH) beam
11711794 · 2023-07-25 · ·

Aspects of the present disclosure provide apparatus, methods, processing systems, and computer readable mediums for applying a common beam for multiple signals to a default beam for a physical downlink shared channel (PDSCH). An example method generally includes receiving, from a network entity, configuration information, identifying a common beam for wireless communications between the UE and the network entity based on the received configuration information, identifying a default beam based, at least in part, on the common beam and one or more rules, and receiving a physical downlink shared channel (PDSCH) by using the identified default beam.