Samsung Electronics Co., Ltd.

Beijing Unisoc Communications Technology Co., Ltd.

Sa Zhang

Feifei Sun

Yi Wang

Jingxing Fu

Huan Zhou

Qi Xiong

Min Wu

Bin Yu

Miao Zhou

Hualei Wang

Xingya Shen

A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT) may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a user equipment (UE) includes: receiving downlink data and/or downlink control signaling from a base station; determining uplink data and/or uplink control signaling, an uplink time unit and/or an uplink physical channel for transmitting the uplink data and/or the uplink control signaling based on the downlink data and/or the downlink control signaling; and transmitting the uplink data and/or uplink control signaling to the base station on the determined uplink time unit and/or uplink physical channel.

Method and device for uplink transmission

A terminal and a method performed by the same in a wireless communication system are provided for improved communication efficiency. The method includes receiving at least one PDSCH from one or more scheduled PDSCHs. Each of the one or more PDSCHs includes a unicast PDSCH including a dynamically scheduled unicast PDSCH and/or a unicast semi-persistent scheduling PDSCH, and/or a multicast PDSCH including a dynamically scheduled multicast PDSCH and/or a multicast SPS PDSCH, and feeding back hybrid automatic repeat request-acknowledgement information for the at least one received PDSCH.

Terminal and method for receiving unicast physical downlink shared channel (PDSCH) or multicast PDSCH

A method and apparatus are provided for transmitting and receiving control information. A method performed by a UE includes receiving, from a base station, DCI or a higher layer signaling; when first priority UCI and second priority UCI are transmitted in a same physical uplink channel, separately encoding the first priority UCI and the second priority UCI, based on a first number of bits of the first priority UCI and a second number of bits of the second priority UCI; and transmitting, based on the DCI or the higher layer signaling, the encoded first priority UCI and the second priority UCI, to the base station, on the same physical uplink channel.

Transmitting method and receiving method for control information, user equipment and base station

Methods and apparatuses are provided in a wireless communication system. Configuration information regarding a hybrid automatic repeat and request-acknowledgement (HARQ-ACK) retransmission is received from a base station (BS) via higher layer signaling. Downlink control information (DCI) is received from the BS. An offset for the HARQ-ACK retransmission is identified as a value of a modulation and coding scheme (MCS) field included in the DCI, based on the configuration information. The HARQ-ACK retransmission is performed on a slot identified based on the offset.

Method and apparatus for hybrid automatic repeat request-acknowledgement retransmission

The disclosure provides a method performed by a second type of transceiving node in a wireless communication system, including receiving a first type of data and/or a first type of control signaling from a first type of transceiving node, and transmitting uplink control information (UCI) to the first type of transceiving node, wherein, if multiple physical uplink control channels (PUCCHs) with UCIs of different priorities overlap in a time domain, the multiple PUCCHs are multiplexed and/or prioritized.

Method for resolving overlapping of uplink transmissions in a wireless communication system based on priorities

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) is provided. The method includes receiving, from a base station, a message including configuration information of a hybrid automatic repeat request (HARQ)-acknowledgement (ACK) feedback mode for a multicast semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) without physical downlink control channel (PDCCH) scheduling, receiving, from the base station, downlink control information (DCI) for activation of the multicast SPS PDSCH without PDCCH scheduling, receiving, from the base station, the multicast SPS PDSCH without PDCCH scheduling based on the activation of the multicast SPS PDSCH without PDCCH scheduling, and transmitting, to the base station, HARQ-ACK information for reception of the multicast SPS PDSCH without PDCCH based on the HARQ-ACK feedback mode for the multicast SPS PDSCH without PDCCH scheduling.

Method and device for receiving physical downlink shared channel

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. An apparatus and a method performed by the same in a wireless communication system are disclosed. The method includes: receiving configuration information from a base station; and receiving a downlink signal from the base station based on the configuration information, the downlink signal including downlink data. The downlink data includes a unicast physical downlink shared channel (PDSCH) and/or a multicast/broadcast PDSCH, the unicast PDSCH includes a dynamically scheduled unicast PDSCH and/or a unicast semi-persistent scheduling (SPS) PDSCH, and the multicast/broadcast PDSCH includes a dynamically scheduled multicast/broadcast PDSCH and/or a multicast/broadcast SPS PDSCH. The present disclosure improves the efficiency of uplink or downlink transmission.

Apparatus and method performed by the same in wireless communication system

A user equipment (UE) and a method performed by the same in a wireless communication system are provided. The method includes receiving a downlink (DL) signal including a physical downlink control channel (PDCCH) and/or a physical downlink shared channel (PDSCH); and/or transmitting an uplink (UL) signal including a physical uplink control channel (PUCCH) and/or a physical uplink shared channel (PUSCH), where the UE monitors the PDCCH when the UE is in active time of a discontinuous reception (DRX) mode. The method can reduce the power consumption of the UE.

User equipment and method performed by the same in wireless communication system

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present application provide a method and device for transmitting Hybrid Automatic Repeat request-Acknowledgement (HARQ-ACK). The method for transmitting HARQ-ACK comprises: receiving, in a downlink time unit, a physical downlink shared channel (PDSCH) and control signaling, which are transmitted by a transmitting side; determining, according to the control signaling, an uplink time unit configured to feed back HARQ-ACK corresponding to the received PDSCH and an HARQ-ACK codebook corresponding to the uplink time unit; and transmitting HARQ-ACK information corresponding to the HARQ-ACK codebook on a physical uplink control channel (PUCCH) or physical uplink shared channel (PUSCH) in the uplink time unit. By the method of the present application, the determination of an HARQ-ACK codebook corresponding to an uplink time unit is realized, and thus the effective utilization of uplink control channel resources is ensured.

Method and device for transmitting HARQ-ACK

The present disclosure provides a method performed by a user equipment (UE), the method including determining formats of all downlink control information (DCI) to be received and DCI format payload sizes corresponding to the formats of the DCI; performing an alignment operation on one or more of the DCI format payload sizes according to a protocol or higher-layer signaling; and receiving all DCI, wherein, the formats of all DCI to be received include a DCI format for a multicast physical downlink shared channel (PDSCH).

Method and device for receiving downlink control information DCI

A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IOT) may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a user equipment (UE)includes: receiving downlink data and/or downlink control signaling from a base station; determining uplink data and/or uplink control signaling, an uplink time unit and/or an uplink physical channel for transmitting the uplink data and/or the uplink control signaling based on the downlink data and/or the downlink control signaling; and transmitting the uplink data and/or uplink control signaling to the base station on the determined uplink time unit and/or uplink physical channel.

The disclosure relates to a 5Generation (5G) or 6Generation (6G) communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) is provided. The method includes receiving, by the UE, a physical downlink control channel (PDCCH), wherein the received PDCCH includes downlink control information (DCI) for scheduling one or more physical downlink shared channels (PDSCHs), receiving, by the UE, one or more PDSCHs according to the received DCI, determining and transmitting, by the UE, a hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook for one or more PDSCHs according to the received PDSCHs and PDCCH.

Method and apparatus for hybrid automatic repeat request acknowledgment codebook transmission and reception

A method and a corresponding apparatus for performing uplink transmission in a wireless communication system are disclosed. The method comprises: based on at least one of the information indicating uplink transmission resources, acquiring the number of resource elements REs used for determining a PUSCH transmission; determining a transport block size TBS for the uplink transmission based on the number of REs; and performing the uplink transmission based on the determined TBS. Wherein, a PUSCH transmission occupies m time unit for transmission, and the rate matching and RE mapping of the PUSCH are performed on all resources occupied in m time unit.

Method and apparatus for uplink transmission

The disclosure relates to a 5generation (5G) or 6generation (6G) communication system for supporting a higher data transmission rate. A method performed by a terminal is provided. The method includes receiving, from a base station, a radio resource control (RRC) message including first configuration information for a hybrid automatic repeat request (HARQ)-acknowledgement (ACK) feedback mode related to a multicast physical downlink shared channel (PDSCH) and second configuration information for a physical uplink control channel (PUCCH) resource set related to the HARQ-ACK feedback mode, receiving, from the base station, the multicast PDSCH, and transmitting, to the base station, HARQ-ACK information for the multicast PDSCH based on the first configuration information and the second configuration information.

Growing community of inventors

Beijing, China

Sa Zhang