Nec Corporation

Boe Technology Group Co., Ltd.

Ricoh Company, Ltd.

Beijing Xiaomi Mobile Software Co., Ltd.

Microsoft Technology Licensing, LLC

Chengdu Boe Optoelectronics Technology Co., Ltd.

Hefei Boe Optoelectronics Technology Co., Ltd.

Huawei Technologies Co., Limited

Chinese Academy of Sciences

Other

China University of Petroleum

Shell Oil Comapny

France Telecom

Baidu Online Network Technology (beijing) Co., Ltd.

Beijing Baidu Netcom Science Technology Co., Ltd

Gang Wang

Yukai Gao

Chuangxin Jiang

Zhennian Sun

Hongmei Liu

Lei Jiang

Ming Lei

Lin Liang

Fang Yuan

Zhongchao Shi

Zheng Chen

Xibin Shao

Tao Li

Yanzhao Li

Xiaodi Liu

Fan Yang

Yu Wang

Zhongyuan Wu

Ke Fei Wang

Cheng Du

Zhuo Zhang

Weizhu Chen

Jian-Tao Sun

Erlong Song

Jinsen Gao

Hongyu Liu

Wenbo Li

Qiang Fu

Cuili Gai

Haike Guan

Tong Liu

Jingang Fang

Zhongsheng Jiang

Yuan Liu

Wenjun Wang

Yu Zhang

Wei Liu

Yongqian Li

Guangcai Yuan

Bo Wang

Yanbing Wu

Li Sun

Quanhu Li

Di Wang

Peng Xu

Jianshe Xue

Kun Cao

Baoxia Zhang

Chunming Xu

Dalin Zhu

Lei Zhang

Li Ni Zhang

Xin Wang

Wei Sun

Qian Wang

Bin Yang

Xin Peng Liu

Liang Zhang

Jiantao Liu

Qian Zhang

Dongfang Wang

Dan Wang

Yu Liu

Tao Liu

Chunyan Xie

Dan Li

Liye Duan

Jie Wang

Hui Liu

Na Li

Jun Zhou

Gang Chen

Libo Wang

Ze Liu

Rui Li

Dan Liu

Xiaogang Wang

Chang Liu

Anyu Liu

Ying Zhao

Lin Wang

Fengjuan Liu

Rui Yang

Xingxing Zhao

Junrui Zhang

Yuan Zhang

Chao Xi Chen

Liyan Liu

Xiaodong Liu

Fei Xu

Huifeng Wang

Lei Fang

Jing Zhou

Wei Han

Haijing Chen

Xiaojun Wu

Junjie Li

Lei Tang

Hongliang Wang

Jiaheng Wang

Embodiments of the present disclosure provide a solution for improving feedback information for transmissions with repetition in a communication system. In a method for communication, a terminal device can obtain a first group of candidate offsets for transmissions of a first type and a second group of candidate offsets for transmissions of a second type. The terminal device may receive, from the network device, scheduling information for scheduling a transmission in a first slot, the scheduling information comprising a target offset selected from the first group of candidate offsets, the target offset indicating a second slot associated with a feedback indication for the transmission. The terminal device may determine a set of slots based on the second slot and the first group of candidate offsets. The terminal device may transmit, to the network device in the second slot, a set of feedback indications for the set of slots. Embodiments of the present disclosure can optimize and improve the reporting of feedback information by the terminal device to the network device in the communication system.

Methods for communication, terminal device, network device, and computer readable media

Embodiments of the present disclosure relate to devices, methods, devices and computer readable storage media for resource selection in a Vehicle to Everything (V2X) communication. The method comprises determining, at a terminal device, a resource reservation period for at least one sidelink transmission; and in accordance with a determination, based on the resource reservation period, that a reference resource associated with the at least one sidelink transmission is subsequent to a sensing window, determining, from a resource selection window of the terminal device, at least one further reference resource to be reserved for the at least one sidelink transmission based on the resource reservation period. In this way, the conflict of resource selection can be avoided and therefore the performance of the sidelink transmission can be improved.

Methods for communication, terminal device, and computer readable media

Embodiments of the present disclosure relate to methods, devices and computer readable media for Reference Signal (RS) transmission. A method for communication comprises determining one or more RS ports for RS transmission, the one or more RS ports being included in one or more RS groups. The method further comprises determining a plurality of parameters for generating a RS sequence specific to a RS group in the one or more RS groups, the RS group including at least one of the one or more RS ports. The method further comprises generating the RS sequence based on the plurality of parameters. In addition, the method further comprises transmitting the generated RS sequence over the at least one of the one or more RS ports. The embodiments of the present disclosure can solve the PAPR issue caused by mapping a same RS sequence to antenna ports across RS port groups.

Reference signal transmission

Embodiments relate to methods, devices and computer readable media of communication during data transmission and reception. A method of communication comprises receiving, at a terminal device and from a network device, resource allocation information indicating a slot offset value associated with transmission of uplink data or reception of downlink data, the slot offset value being selected from a range for scheduling slots in a carrier frequency; and performing the transmission or reception based on the slot offset value. Embodiments can support large bandwidth in frequency, schedule more uplink or downlink slots, and increase channel utilization.

Methods, devices and computer storage media of communication during transmission and reception

Embodiments of the present disclosure relate to methods, devices and computer readable media for multi-TRP transmission. The method comprises determining at least one transmission configuration indication (TCI) state to be configured to a terminal device, the at least one TCI state indicating a plurality of reference signal (RS) sets and quasi co-location relationship between the plurality of RS sets and respective groups of DMRS ports. The method further comprises determining DMRS ports for transmitting DMRSs to the terminal device via the plurality of TRPs and associations between the plurality of RS sets and the DMRS ports. In addition, the method further comprises configuring the at least one TCI state, the DMRS ports, and the associations between the plurality of RS sets and the DMRS ports to the terminal device. In this way, multi-TRP transmission can be supported without introducing additional indication overhead.

Multi-TRP transmission

Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. A method comprises transmitting, from a network device to a terminal device, downlink control information (DCI) over a first set of Physical Downlink Control Channel (PDCCH) candidates for scheduling a Physical Downlink Shared Channel (PDSCH), where the DCI includes at least one of a counter downlink assignment indicator (DAI) value and a total DAI value; transmitting the PDSCH from the network device to the terminal device; and receiving a hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook for the PDSCH from the terminal device, where the HARQ-ACK codebook is generated at least based on a first configuration of a second set of PDCCH candidates, and at least one of the counter DAI value and the total DAI value. As such, the dynamic HARQ-ACK codebook can be obtained without introducing additional signaling overhead.

Method, device and computer storage medium for communication

Embodiments of the present disclosure relate to methods, devices and computer readable media for data transmission during simultaneous connectivity based handover. A method of communication comprises in response to a second connection being established between a second network device and a terminal device having a first connection with a first network device, determining, at the first network device, a first set of SDUs to be transmitted by the second network device to the terminal device; determining first information regarding a SN assigned to each of the first set of SDUs and a HFN associated with the SN; and transmitting the first set of SDUs and the first information to the second network device. The method further comprises receiving, at the second network device, the first set of SDUs and first information; and transmitting the first set of SDUs to the terminal device based on the first information. The method further comprises receiving, at the terminal device, a first set of PDUs corresponding to the first set of SDUs from the second network device; receiving a second set of PDUs corresponding to the second set of SDUs from the first network device; determining the first information; and determining an order of the first and second sets of PDUs based on the first information. Embodiments of the present disclosure can facilitate correct data transmission during a simultaneous connectivity based handover and improve data transmission efficiency.

Simultaneous connectivity based handover

Embodiments of the present disclosure relate to methods, devices and computer readable media for Uplink Control Information (UCI) transmission. In example embodiments, a method for communication includes determining, at a terminal device, a first part of a first codebook and a second part of a second codebook, the first part and the second part indicating presence or absence of gains for a plurality of pairs of spatial domain (SD) basis and frequency domain (FD) basis, the first codebook and the second codebook being used for different transmission layers between the terminal device and a network device; determining a bit sequence based on the first part and the second part, each bit in the bit sequence corresponding to one of the plurality of pairs of SD basis and FD basis; and transmitting, to the network device, uplink control information including the bit sequence.

Method, device and computer readable medium for uplink control information transmission

Embodiments of the present disclosure relate to communication. According to embodiments of the present disclosure, a network device is able to configure resources dedicated to repetition of transmission during the access procedure. If a terminal device determines to perform the repetition of transmission, the terminal device uses the dedicated resources for the transmission. The numbers of the repetition are determined based on a target power for the transmission and a maximum power at the terminal device. In this way, it improves coverage of the terminal device and the success in accessing channel.

Methods, devices, and medium for communication

Embodiments of the present disclosure relate to communication. According to embodiments of the present disclosure, if an expiration of a data inactivity timer occurs during a handover, a terminal device maintains in a RRC connected state. The terminal device releases a link with the source network device. Further, the terminal device is able to ignore the expiration of the data inactivity timer during the handover. In this way, the impact of data inactivity of the source network device is properly handled.

Methods, devices, and computer readable medium for communication

Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A method comprises determining, at a first device, a first parameter for determination of a sequence group index based on at least one of the following: a second parameter indicating an identity associated with a physical channel between the first device and a second device, a third parameter indicating a scrambling identity, and a fourth parameter indicating a cell identity; determining the sequence group index based on the first parameter; generating, at least based on the sequence group index, a Demodulation Reference Signal (DMRS) sequence to be transmitted to the second device; and transmitting the generated DMRS sequence to the second device over the physical channel. Embodiments of the present disclosure can enable DMRS transmission with low Peak to Average Power Ratio (PAPR) and high flexibility.

A display apparatus and a pixel circuit. The pixel circuit includes: a first storage sub-circuit, connected between a first node and a second node; a data writing sub-circuit, configured to charge the second node; a driving sub-circuit, configured to control connection or disconnection between a third node and a fourth node under control of the first node; a compensation sub-circuit, configured to control connection or disconnection between the first node and the fourth node under control of a first scan signal end; a luminous control sub-circuit, configured to control connection or disconnection between a first power end and the third node under control of a first luminous control signal end, and further configured to control connection or disconnection between the fourth node and a first electrode of a sub-pixel under control of a second luminous control signal. The present disclosure can improve display effect.

Display apparatus and pixel circuit

Embodiments of the present disclosure provide a solution for. In a method for communication, a terminal device receives, from a network device, control information indicating a set of resources and transmission configuration indicator (TCI) states for a communication between the terminal device and the network device. The terminal device determines resource subsets associated with the respective TCI states, each resource subset being a part of the set of resources in frequency domain. The terminal device determines a mapping of phase-tracking reference signals (PT-RSs) to the resource subsets. Embodiments of the present disclosure provide practical details on how to decide PT-RS presence/density/pattern/offset if a scheduled set of resources are shared by a plurality of TCI states, especially in case of scheme 2a/2b.

Methods for communication, terminal device, network device, and computer readable medium

Embodiments of the present disclosure provide a method of performing transmission between a base station and a terminal device according to a frame structure over an unlicensed spectrum in a wireless network that supports communications over both a licensed spectrum and the unlicensed spectrum. The method comprises signaling information indicating the frame structure and performing transmission between the base station and the terminal device on an unlicensed carrier in the unlicensed spectrum according to the frame structure. There is also provided the corresponding apparatus.

Method and apparatus for performing transmission

Embodiments relate to reference signal transmission and receiving in a wireless communication system A common reference signal sequence is generated based on a frequency range configuration at network side, the common reference signal sequence being shared by at least some of terminal devices respectively allocated with their own reference signal transmission configurations. The common reference signal sequence and sequence configuration information is transmitted to a terminal device, the sequence configuration information indicating a parameter by which a reference signal sequence transmitted for the terminal device can be obtained. A reference signal sequence solution with a low complexity is proposed for the wireless communication system with dynamic bandwidth allocation and/or configurable reference signal pattern, wherein only one common reference signal sequence is generated and shared by at least some of terminal devices, irrespective of reference signal transmission configurations like bandwidth allocation and/or reference signal pattern configuration.

Methods and apparatuses for reference signal transmission and receiving

Growing community of inventors

Beijing, China

Gang Wang