H04B7/0697

Method and apparatus for managing user plane operation in wireless communication system

The present disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system such as Long Term Evolution (LTE). Embodiments herein achieve a UE for managing a user plane operation in a wireless communication system. The UE includes a user plane management unit coupled to a memory and a processor. The user plane management unit is configured to receive a signaling message from a gNodeB. Further, the user plane management unit is configured to determine whether the signaling message includes control information comprising one of a PDCP re-establish indication and a security key change indication. Further, the user plane management unit is configured to perform the at least one operation for at least one data radio bearer based on the determination.

Uplink control signaling in cellular telecommunication system

A method, apparatus, and computer program for controlling allocation of control message fields in uplink transmission in a cellular telecommunication system are presented. Uplink control message fields are allocated to the resources of a physical uplink shared traffic channel according to an uplink transmission scheme selected for a user terminal. The control message fields are allocated so that transmission performance of the control messages is optimized for the selected uplink transmission scheme.

Method and device for wireless communication in UE and base station

The present disclosure provides a method and device for wireless communication in a user equipment and a base station. The user equipment receives a first information, and transmits a first wireless signal in a first time domain resource of a first sub-band. The first information is used to indicate a first parameter; the first parameter is associated with one of L spatial parameter sets; the L spatial parameter sets are respectively in one-to-one corresponding to L time domain resources; the first time domain resource is one of the L time domain resources. The L time domain resources belong to a first time window; the first information is used to determine the first time domain resource from the L time domain resources; the first parameter is used to determine a transmitting antenna port group of the first wireless signal.

Signal Multiplexing in Uplink Channel Repetition

A method may include receiving, by a wireless device, downlink control information (DCI) scheduling transmission of a channel state information (CSI) report on a physical uplink shared channel (PUSCH) transmission with a transport block, one or more first repetitions of the PUSCH transmission with a first spatial domain transmission filter, and one or more second repetitions of the PUSCH transmission with a second spatial domain transmission filter. The method may include transmitting the CSI report on an earliest repetition of the one or more first repetitions of the PUSCH transmission with the transport block, and an earliest repetition of the one or more second repetitions of the PUSCH transmission with the transport block.

METHOD AND APPARATUS FOR TRANSMITTING PPDU IN DUPLICATE (DUP) MODE IN A WIRELESS COMMUNICATION SYSTEM

A method performed by a transmitter in a wireless communication system is provided. The method comprises: identifying that a first parameter used for indicating a first puncturing pattern is set to be not present in a first frame based on predetermined condition; determining whether to operate in duplicate (DUP) mode; and in case that the transmitter determines to operate in the DUP mode, transmitting a second frame in the DUP mode, wherein data in a payload portion of the second frame is duplicated in frequency in the DUP mode.

Sharing of TXOP based on Spatial Multiplexing

An access point (10) of a wireless communication system configures a carrier for communication with one or more wireless devices (11) associated with the access point (10). Further, the access point (10) contends for access to the carrier and, in response to winning contention for access to the carrier, reserves a transmission opportunity, TXOP, on the carrier. Further, the access point (10) cooperates with one or more other access points (10) of the wireless communication system by sharing the TXOP based on spatial multiplexing of wireless transmissions on the carrier.

Spreading and precoding in OFDM
11646929 · 2023-05-09 · ·

A user equipment (UE) in a wireless network employs orthogonal polyphase codes for encoding data symbols to generate a set of coded data symbols, which are modulated onto Orthogonal Frequency Division Multiplex (OFDM) subcarrier frequencies assigned for use by the UE, and the resulting OFDM signal is transmitted to a base station in the wireless network. The orthogonal polyphase codes include pairs of orthogonal polyphase codes that are complex conjugates of each other.

EXTENDED POWER CLASS FOR UPLINK (UL) MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) COMMUNICATIONS
20230107064 · 2023-04-06 ·

An extended power class for Uplink (UL) Multiple Input Multiple Output (MIMO) communications is provided. In this regard, a User Equipment (UE) configured to UL MIMO can indicate support for a first power class corresponding to a first power level. The UE can transmit a single layer Physical UL Shared Channel (PUSCH) on one antenna port at a power that is at most a first power level corresponding to the first power class. The UE can also transmit an N-layer PUSCH on N antenna ports at a second power level greater than the first power level. With the extended power class, UEs are able to deliver higher power signals without increasing the maximum power of their Power Amplifiers (PAs). This greater power can lead to better user experience, less battery drain, and higher network capacity.

TRANSMISSION METHOD, TRANSMISSION DEVICE, RECEPTION METHOD AND RECEPTION DEVICE
20230146368 · 2023-05-11 ·

A transmission method includes mapping processing, phase change processing, and transmission processing. In the mapping processing, a plurality of first modulation signals and a plurality of second modulation signals are generated using a first mapping scheme, and a plurality of third modulation signals and a plurality of fourth modulation signals are generated using a second mapping scheme. In the phase change processing, a phase change is performed on the plurality of second modulation signals and the plurality of fourth modulation signals using all N kinds of phases. In the transmission processing, the first modulation signals and the second modulation signals are respectively transmitted at a same frequency and a same time from different antennas, and the third modulation signals and the fourth modulation signals are respectively transmitted at a same frequency and a same time from the different antennas.

RECEIVER APPARATUS AND TRANSMITTER APPARATUS

Examples of the disclosure relate to receiver apparatus and corresponding transmitter apparatus that can be configured in different operational states at different times. An example receiver apparatus comprises a plurality of downconverting means for downconverting separate antenna signals, one or more analog to digital converters, and one or more multiplexing means configurable in at least a first configuration and a second configuration. When the multiplexing means is configured in the first configuration the plurality of downconverting means and the one or more analog to digital converters are configured to enable separate antenna signals to be combined to provide hybrid beamforming or analog beamforming. The hybrid beamforming or analog beamforming can be provided across the bandwidth of the apparatus. When the multiplexing means is configured in the second configuration the plurality of downconverting means and the one or more analog to digital converters are configured to enable separate antenna signals to be used to enable digital beamforming. The digital beamforming can be provided across a sub-section of the bandwidth.