H04L5/0012

TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION

A terminal according to one aspect of the present disclosure includes a receiving section that receives a medium access control-control element (MAC CE) to update a transmission configuration indication (TCI) state, and a control section that, when a configuration related to at least one of a spatial relation and a pathloss reference signal for a specific uplink signal satisfies an application condition, uses the TCI state for the pathloss reference signal from timing after transmission of a positive acknowledgment (ACK) to the MAC CE. According to one aspect of the present disclosure, it is possible to appropriately transmit a UL signal.

METHOD AND DEVICE FOR TRANSMITTING UPLINK CHANNEL IN WIRELESS COMMUNICATION SYSTEM

According to an embodiment of the disclosure, a method of operating a user equipment (UE) for estimating a channel based on a physical uplink shared channel (PUSCH) transmitted repetitively may include receiving, from a base station (BS), repetitive transmission configuration information for repetitively transmitting a PUSCH; receiving, from the BS, frequency hopping configuration information including configuration information for a hopping interval between a plurality of frequency resources for transmitting the PUSCH; and repetitively transmitting the PUSCH to the BS while performing frequency hopping at the hopping interval based on the repetitive transmission configuration information and the frequency hopping configuration information.

METHOD AND APPARATUS FOR REPEATEDLY TRANSMITTING UPLINK CHANNEL IN WIRELESS COMMUNICATION SYSTEM

Disclosed are a method and apparatus for repeatedly transmitting an uplink in a wireless communication system. A method by which a terminal repeatedly transmits a physical uplink shared channel (PUSCH), according to an embodiment of the present disclosure, comprises the steps of: receiving configuration information related to repeated transmission of the PUSCH; receiving downlink control information (DCI) for scheduling of the PUSCH; and repeatedly transmitting the PUSCH N times (an integer, greater than 1, of N) on the basis of the configuration information and the DCI. The PUSCH transmitted N times is circularly and sequentially mapped to a plurality of transmission configuration indicator (TCI) states in an ascending order, may be grouped into M PUSCH groups (an integer, greater than 1, of N) for each PUSCH to which the same TCI is mapped, and frequency hopping may be individually applied to the M PUSCH groups.

SOUNDING REFERENCE SIGNAL (SRS) ENHANCEMENTS

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for transmitting sounding reference signal (SRS) resources with frequency hopping. In some implementations, a user equipment (UE) may use different SRS ports, different antenna ports, different numbers and sizes of SRS resources, different periodicities, different offsets, different transmission comb values, different number of symbols, different power control parameters, and/or different transmission comb offset values for SRS transmissions on different frequency subbands of the frequency hopping pattern to ensure that sounding operations cover all antennas of the UE, cover the entire frequency range of interest, and provide sufficiently dense SRS transmissions from which a base station can determine the best channel for DL transmissions while also using a minimum amount of SRS resources and consuming minimal power in the UE.

DAI COUNTING METHOD, DAI COUNTING CONTROL METHOD, TERMINAL, AND NETWORK DEVICE
20230046085 · 2023-02-16 · ·

This application provides a DAI counting method, a DAI counting control method, a terminal, and a network device. The method includes: in a case that physical downlink control channel PDCCH repetition is configured, incrementing a DAI count at a reference PDCCH monitoring occasion.

Radio link monitoring across multiple frequencies in wireless communications

Methods, systems, and devices for wireless communications are described in which a narrowband device may communicate in a wireless communications network according to frequency hopping techniques. Devices using narrowband communications and frequency hopping techniques may maintain separate radio link monitoring (RLM) processes, beam failure detection (BFD) processes, beam failure recovery (BFR) processes, or combinations thereof, for multiple bandwidth parts (BWPs) or hop regions of a full channel bandwidth. Such separate processes may provide for enhanced estimates of beam failures per BWP or hop region, which may be used to enhance communications reliability.

Method of transmitting and receiving downlink signal between user equipment and base station in wireless communication system, and apparatus for supporting the same

Disclosed are a method of transmitting and receiving a downlink between a user equipment (UE) and a base station (BS) in a wireless communication system, and an apparatus for supporting the same. According to an embodiment applicable to the present disclosure, when the UE recognizes that plural transmission configuration indication (TCI) states related to one reference signal set are allocated to the UE through received downlink control information (DCI), the UE may receive/acquire a first physical downlink shared channel (PDSCH) scheduled by the DCI with high reliability.

Frequency Hopping in Multiple Transmission and Reception Points

A wireless device receives one or more configuration parameters indicating a mapping pattern that indicates a cyclical mapping of spatial domain transmission filters to physical uplink shared channel (PUSCH) repetitions. The wireless device receives a downlink control information (DCI) scheduling repetitions of a PUSCH transmission, where the DCI comprises a frequency hopping field set to one and indicates a frequency offset. Based on the frequency hopping field being set to one and the mapping pattern indicating the cyclical mapping, the wireless device sequentially transmits, starting from a first resource block, a first repetition of the PUSCH transmission using a first spatial domain transmission filter and a second repetition using a second spatial domain transmission filter; and sequentially transmits, starting from a second resource block, a third repetition using the first spatial domain transmission filter and a fourth repetition using the second spatial domain transmission filter.

TECHNIQUES FOR DYNAMIC INDICATION OF FREQUENCY HOPPING FOR PHYSICAL UPLINK CONTROL CHANNEL AND DEMODULATION REFERENCE SIGNAL BUNDLING OF PHYSICAL UPLINK CONTROL CHANNEL

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an apparatus of a user equipment (UE) may receive, from a base station, a physical downlink control channel (PDCCH) indicating a configuration for one or more of demodulation reference signal (DMRS) bundling that is to be used for channel estimation by the base station for a first group of physical uplink control channels (PUCCHs) or frequency hopping for a second group of PUCCHs. The apparatus may transmit, to the base station, one or more PUCCHs based at least in part on the configuration. Numerous other aspects are described.

FREQUENCY HOPPING ENABLING FOR AN UPLINK CONTROL CHANNEL TRANSMISSION BY A USER EQUIPMENT
20230044511 · 2023-02-09 ·

An apparatus for wireless communication includes a transmitter configured to communicate with a base station based on a first uplink bandwidth part (BWP) that includes a first frequency subset and that further includes a second frequency subset. The apparatus further includes a receiver configured to receive, from the base station, one or more messages including a frequency hopping indicator that specifies whether a frequency hopping mode is enabled or disabled. The transmitter is further configured to transmit, to the base station, an uplink control channel transmission using both the first frequency subset and the second frequency subset based on the frequency hopping indicator specifying that the frequency hopping mode is enabled or using one of the first frequency subset or the second frequency subset based on the frequency hopping indicator specifying that the frequency hopping mode is disabled.