Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Shanghai Zhongxing Software Company Limited

Wenhao Liu

Feng Bi

Ting Miao

Youxiong Lu

Weimin Xing

Zhaohua Lu

Peng Hao

Shujuan Zhang

Guanghui Yu

Senbao Guo

Yu Ngok Li

Yijian Chen

Zhisong Zuo

Yuhong Gong

Yanwen Wang

Wenfeng Zhang

Chenchen Zhang

Meng Mei

Bo Dai

Lin Chen

Xing Liu

Yan Li

Jing Jiang

Haigang He

Qinghong Zhang

Hong An

Provided are a symbol reservation, inquiry, and notification methods, a first node, a second node and a medium. The method includes determining a first element set, and sending request information, where the request information is used for requesting to reserve or not reserve a guard symbol at a transition in a case where a second unit of the first node performs transmission or reception on elements in the first element set.

Symbol reservation, inquiry, and notification methods, first node, second node, and medium

One or more devices, systems, and/or methods for utilizing a control resource set comprising a physical downlink control channel and a plurality of resource element group bundles containing different quantities of resource element groups. An example method for wireless communication comprises forming a first resource region comprising at least a first type of REG bundle and a second type of REG bundle, and performing a control channel transmission using the first resource region. The first type and the second type of REG bundles may comprise different quantities of resource element groups, and the first type and the second type of REG bundles may correspond to candidates of different aggregation levels.

Techniques for managing multiple resource element groups

A system and method for receiving timing configuration information are disclosed herein. In one embodiment, a method performed by a first node includes receiving, by the first node, timing configuration information, the timing configuration information comprises at least one of a timing advance parameter (N), a timing advance offset (N), Ngranularity indication information, time difference information at a second node, a timing adjustment parameter (ΔT). The method includes determining, by the first node, at least one of UL Tx timing or DL Tx timing based on the timing configuration information.

Method for determining transmission timing among nodes of a network

Provided are a timing difference determination method and apparatus, a device, and a storage medium. The timing difference determination method includes: determining a timing parameter based on at least one of the following parameters: a parameter related to the timing parameter, a parameter related to a timing advance, or a parameter related to a physical resource.

Timing difference determination method and apparatus, device, and storage medium

Provided are a method and device for determining a reference timing, a storage medium and an electronic device. The method comprises: a second node determining a reference timing of the second node by using at least one of the following modes: an open-loop mode, a closed-loop mode and an external synchronization source mode. By means of the present disclosure, the problem in the related art that there is no technical solution for setting a reference timing between each-hop links yet exists is solved.

Method and device for determining reference timing, storage medium, and electronic apparatus

Provided are a configuration method and apparatus for a frame structure, and a storage medium. The configuration method for the frame structure includes: receiving, by a first node, frame structure parameters configured by a second node, wherein each frame structure parameter comprises: a period and a type of a frame structure, and the frame structure parameters comprise a common frame structure parameter, a first dedicated frame structure parameter and a second dedicated frame structure parameter; obtaining, by the first node, an uplink/downlink division of the frame structure according to the common frame structure parameter and/or the first dedicated frame structure parameter, and determining, according to the second dedicated frame structure parameter by the first node, the frame structure for uplink transmission of a backhaul link and the frame structure for downlink transmission of the backhaul link.

Configuration method and apparatus for frame structure, and storage medium

Provided are a symbol attribute determination method, a node and a storage medium. The symbol attribute determination method includes determining the attribute of a symbol by using a first mode. The attribute includes the attribute of being unavailable or the attribute of being available. The first mode is a default mode or a configured mode.

Method for determining attributes of symbols, node, and storage medium

Provided are a timing information configuration method, apparatus and system and a storage medium. The timing information configuration method includes that a first node predefines or configures timing information of a second node. The timing information includes at least one of: a timing mode, a downlink transmission timing alignment mode, a timing advance (TA) configuration mode, a TA value, an offset of a TA value, a number of orthogonal frequency division multiplexing (OFDM) symbols that an uplink transmission timing is advanced or delayed relative to a downlink transmission timing for alignment, or a number of OFDM symbols that an uplink reception timing is advanced or delayed relative to a downlink reception timing for alignment. The timing information configuration method includes that a second node determines timing information of the second node in a manner of predefinition or in a manner of being configured.

Timing information configuration method, device and system, and storage medium

Methods, apparatus and systems for wireless communication nodes to discover each other are disclosed. In one embodiment, a method performed by a first wireless communication node is disclosed. The method comprises: transmitting, to each of a plurality of second wireless communication nodes, respective configuration information that is utilized by the second wireless communication node to transmit a discovery signal in order to be discovered by at least one other second wireless communication node. At least two of the plurality of second wireless communication nodes transmit their discovery signals at different time domain positions based on their respective configuration information.

Methods, apparatus and systems for discovering wireless communication nodes

Provided are a transmission timing method and apparatus, a base station, and a computer readable storage medium. In the method, a second node issues timing control information to a first node and/or a third node to control alignment of data transmission received by the second node and sent by the first node and data transmission received by the second node and sent by the third node, or to control alignment of data transmission sent by the second node to the first node and data transmission sent by the second node to the third node.

Method and apparatus for transmission timing, base station, and computer readable storage medium

Methods, systems, and devices are disclosed for digital wireless communication, and more specifically, for initializing and using demodulation reference signals. In one exemplary aspect, a method of wireless communication performed by a communication node includes generating a first portion of an initial value of a demodulation reference signal (DMRS) based, at least in part, on combining a time index and at least a portion of an ID index. The method also includes generating a second portion of the initial value of the DMRS based, at least in part, on the ID index, and generating the initial value of the DMRS by combining at least the first and second portions. The method further includes transmitting or receiving the DMRS.

Initialization and use of demodulation reference signal

A method and device for notifying and determining De Modulation Reference Signal (DMRS) ports or a mapping relationship is provided. The method includes: a sending end sends indication information to a receiving end in a Transmission Mode (TM), and the sending end indicates allocation information about DMRS ports or a mapping relationship according to the indication information, and the indication information includes at least one of the following: Radio Resource Control (RRC) signaling, physical layer New Data Indication (NDI) bit, and DMRS pilot scrambler configuration information n. A problem of influence on a performance of a Multi-User Multiple-Input Multiple-Output (MU-MIMO) system caused by lower channel estimation performance due to limited orthogonal DMRS ports for MU-MIMO transmission and high Multi-User Interference (MUI) after increment of a total number of MU-MIMO transmission layers is solved, thereby increasing orthogonal DMRS ports for MU-MIMO transmission on a basis of improving base station configuration flexibility during MU-MIMO transmission, effectively inhibiting MUI during channel estimation, and improving channel estimation performance.

Method and device for notifying and determining DMRS ports or mapping relationship

Provided are an information transmission method and device. The method includes that a base station configures, in multiplexing downlink control information (DCI), instruction information for instructing a user equipment (UE) that includes different types to act; and the base station sends the multiplexing DCI to the UE. The multiplexing DCI is DCI that multiplexes DCI of a physical downlink shared channel (PDSCH), and the multiplexing DCI is the DCI of the PDSCH in response to being scrambled by a preset radio network temporary identifier (RNTI) and is paging DCI in response to being scrambled by a paging radio network temporary identifier (P-RNTI), where the preset RNTI is an RNTI excluding the P-RNTI. Instruction information is set in multiplexing DCI to instruct a UE that includes different types to act to switch a paging mechanism.

Information transmission method and device

One or more devices, systems, and/or methods for utilizing a control resource set comprising a physical downlink control channel and a plurality of resource element group (REG) bundles containing different quantities of resource element groups. An example method for wireless communication comprises forming a first resource region comprising at least a first type of REG bundle and a second type of REG bundle, and performing a control channel transmission using the first resource region. The first type and the second type of REG bundles may comprise different quantities of resource element groups, and the first type and the second type of REG bundles may correspond to candidates of different aggregation levels.

A method and device for notifying and determining DMRS ports or a mapping relationship is provided. The method includes a sending end sending indication information to a receiving end in a TM, and the sending end indicates allocation information about DMRS ports or a mapping relationship according to the indication information, and the indication information includes at least one of the following: RRC signaling, physical layer NDI bit, and DMRS pilot scrambler configuration information n. A problem of influence on a performance of a MU-MIMO system caused by lower channel estimation performance due to limited orthogonal DMRS ports for MU-MIMO transmission and high MUI after increment of a total number of MU-MIMO transmission layers is solved.

Growing community of inventors

Shenzhen, China

Wenhao Liu