Datang Mobile Communications Equipment Co., Ltd.

China Academy of Telecommunications Technology

Xuejuan Gao

Xueming Pan

Yanan Lin

Zukang Shen

Qianqian Si

Yanping Xing

Fang-Chen Cheng

Tony Ekpenyong

Ekpenyong Tony

Wei Bai

Lei Wang

Fangchen Cheng

Shaohui Sun

Qiubin Gao

Jiaqing Wang

Xiangli Lin

Deshan Miao

Wenhong Chen

Songtao Liu

Runhua Chen

Jing Min Xu

Rakesh Tamrakar

Qiuping Huang

Yu Ding

Lei Zhou

Weijie Xu

Ya'nan Lin

Ya′nan Lin

Zukana Shen

Shuling Shen

Jing Xu

A data transmission method, a terminal device and a network device are provided. The method includes: receiving PDSCH; determining a size of a semi-static HARQ-ACK codebook according to a number of repetition transmissions of the PDSCH; and performing a corresponding HARQ-ACK feedback for the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook.

Data transmission method, terminal device and network device

A carrier switching transmission method and apparatus, and a terminal and a network-side device are provided. The method includes: when a plurality of physical uplink control channels PUCCHs transmitted on a first carrier needs to do carrier switching and all of the plurality of PUCCHs are determined to be transmitted in a first time unit on a second carrier after the carrier switching, sending by a terminal one or more PUCCHs in the first time unit on the second carrier according to a first rule after the carrier switching, wherein the plurality of PUCCHs does not overlap in a time domain on the first carrier. PUCCH transmission may be implemented through PUCCH carrier switching.

Carrier switching transmission method and apparatus, and terminal and network-side-device

Embodiments of the present application provide a method for determining a physical uplink control channel (PUCCH) repetition factor, and a user equipment (UE) and base station, comprising: determining a PUCCH repetition factor according to received target information; said target information comprises first information or second information, said first information comprises a PUCCH resource indicator (PRI) field in downlink control information (DCI), said second information comprises control information carried by the DCI, a media access control control element (MAC CE), or a group common physical downlink control channel (PDCCH). The embodiments of the present application enable a dynamic indication process of the PUCCH repetition factor.

Method for determining PUCCH repetition factor, and UE and base station

Disclosed are a subframe type notification and determination methods and device. The invention enables a terminal to dynamically determine a subframe type, such that a subframe type can be flexibly changed to adapt to different service transmission requirements, thereby increasing system transmission efficiency. The subframe type determination method of the invention comprises: detecting, in a preset resource, indication information for determining a subframe type; and determining, according to a detection result, the subframe type.

Subframe type notification and determination methods and device

The present disclosure provides PDSCH reception method and device, PDSCH transmission method and device, an apparatus and a medium. A terminal receives DCI for scheduling the transmission of a PDSCH on a plurality of carriers, determines a time unit where the one or more PDSCHs are transmitted on the plurality of carriers in accordance with a reference SCS or an SCS of each carrier, and receives the scheduled PDSCH in the determined one or more time units on the plurality of carriers. A base station transmits the DCI, and transmits the scheduled PDSCH in a time unit where the one or more PDSCHs are transmitted on the plurality of carriers. The terminal determines the time unit where the one or more PDSCHs are transmitted on the plurality of carriers in accordance with the reference SCS or the SCS of each carrier.

Physical downlink shared channel reception method and device, physical downlink shared channel transmission method and device, apparatus and medium

A method for PUCCH resource determination and a communication device are provided. The method includes: determining a PUCCH resource and determining a sub-slot where a PUCCH is to be transmitted; and determining a resource used for transmitting the PUCCH in the sub-slot according to the PUCCH resource.

Method for PUCCH resource determination and communication device

Embodiments of the present application provide an uplink channel transmission method, a terminal, and a base station. When a plurality of uplink channels are overlapped with each other on a time domain, the method applied to the terminal comprises: first processing the plurality of uplink channels according to a channel-multiplexing transmission rule, determining a first target uplink channel to be transmitted, and then determining whether to transmit the first target uplink channel; or first determining, from the plurality of uplink channels, a candidate uplink channel capable of preforming transmission, then processing the candidate uplink channel according to the channel-multiplexing transmission rule, and determining a second target uplink channel to be transmitted. The embodiments of the present application ensure the normal transmission of a system.

Uplink channel transmission method, terminal, and base station

Disclosed are a data transmission method and apparatus, which are used for realizing low-delay and high-reliability transmission of data in a new radio (NR) system. The method comprises: determining an actual transmission opportunity in a transmission period according to a notification of a network side, and determining a first transmission opportunity on the basis of the actual transmission opportunity, wherein there are T valid transmission opportunities between the first transmission opportunity and a first moment, the valid transmission opportunities include an actual transmission opportunity with an RV of zero, and the first moment is before the end of the transmission period or before the start of a period of a second configuration authorization configuration; when data is ready before the first transmission opportunity and after the second transmission opportunity, starting data transmission at the first transmission opportunity, wherein the second transmission opportunity is the actual transmission opportunity before the first transmission opportunity; and when the data is ready after the first transmission opportunity, starting the data transmission in the next period. Therefore, a valid starting position may be determined according to a received signaling indication.

Data communication method and apparatus

The present application relates to the field of wireless communications, and in particular to a method and device for determining a dynamic HARQ-ACK codebook, and same are used to solve the problem that the wrong dynamic HARQ-ACK codebook is determined due to the inaccuracy of a PDCCH monitoring occasion set determined at present. According to the embodiments of the present application, the method involves: determining a PDCCH monitoring occasion set according to the configured number of repeated PDSCH transmissions and/or the number (N=1) of repeated PDSCH transmissions, and the configured number of repeated PDSCH transmissions is greater than one; and determining a dynamic HARQ-ACK codebook according to the PDCCH monitoring occasion set.

Method and device for determining dynamic HARQ-ACK codebook

A data transmission method, a network side device and user equipment are provided. The method includes: sending a first downlink control information DCI for scheduling first transmission; wherein in a case that a relation between the first transmission and scheduled or configured second transmission satisfies a preset condition, a time instant of sending the first DCI is not later than a time instant with a time duration T before a starting symbol of the second transmission.

Data transmission method, network side device, and user equipment

A method of determining a Hybrid Automatic Repeat reQuest acknowledgement codebook, a terminal, and a network device are provided. The method includes: determine a HARQ-ACK codebook in a first slot according to a target offset set, when a HARQ-ACK is received in the first slot; wherein the HARQ-ACK is a HARQ-ACK, transmitted in a second slot, for a PDSCH or a SPS PDSCH release, the target offset set W=K1+TA_offset, K1 is a timing value set indicating an interval between a slot of the PDSCH or the SPS PDSCH release and a corresponding slot of the HARQ-ACK, TA_offset is a value related to a TA configured by a signaling or calculated in a predetermined manner, and n_U=n+k+TA_offset, k is one value in the K1, n_U is an index of the first slot, n is an index of the second slot.

Method of determining hybrid automatic repeat request acknowledgement codebook, terminal and network device

Provided in the embodiments of the present disclosure are a UCI multiplexing method and apparatus, and a storage medium. With regard to a PUSCH carrying a multi-slot TB, when the PUSCH and one PUCCH overlap in at least one slot, the UCI multiplexing method comprises: determining resources needing to be occupied during the multiplexing of UCI on the PUSCH and an upper limit of the resources occupied during the multiplexing of the UCI on the PUSCH; on the basis of the resources needing to be occupied during the multiplexing of the UCI on the PUSCH and the upper limit of the resources occupied during the multiplexing of the UCI on the PUSCH, determining resources occupied during the actual transmission of the UCI; and on the basis of the resources occupied during the actual transmission of the UCI, transmitting the UCI on the PUSCH. By means of the embodiments of the present disclosure, the multiplexing of UCI on a PUSCH carrying a multi-slot TB is realized.

UCI multiplexing transmission method and apparatus, and storage medium

The present application discloses base stations, a method and device for communication between base stations, and a storage medium. The method includes exchanging, by means of an air interface signal, respective states of N time-domain resources of a designated resource with a second base station that uses the designated resource, and N≥1, the designated resource is a resource for communication between base stations, and the N time-domain resources are obtained by means of division on the basis of a time-division multiplexing (TDM) technique.

Base stations, method and device for communication between base stations, and storage medium

Provided are a method and an apparatus of determining a cap of transmission resources available for control information and a communication device. The method of determining a cap of transmission resources available for control information includes: determining, according to a ratio coefficient, a cap of transmission resources to be occupied by coded modulation symbols of control information on a physical uplink shared channel (PUSCH).

Method and apparatus of determining cap of transmission resources available for control information and communication apparatus

Embodiments of the present application provide an HARQ feedback method, a terminal, a base station and a storage medium. The method includes: adding, in an HARQ-ACK codebook which is determined according to a time offset K1 set and is transmitted in a time unit, A bits HARQ-ACK feedback corresponding to SPS PDSCHs to obtain an HARQ-ACK codebook to be transmitted; and transmitting the HARQ-ACK codebook. In the embodiments of the present application, in case that the SPS PDSCH is deferred, or is determined to feed back HARQ-ACK in a time unit based on a K1 value that does not belong to the K1 set, the HARQ-ACK of the SPS PDSCH needs to be added in the HARQ-ACK codebook determined based on the K1 set and corresponding to the time unit, so that correct HARQ-ACK transmission is ensured, and the HARQ-ACK of the SPS PDSCH is prevented from being discarded.

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Beijing, China

Xuejuan Gao