Datang Mobile Communications Equipment Co., Ltd.

Tianjin Jiiov Technology Co., Ltd.

China Academy of Telecommunications Technology

Jiancheng Sun

Aijuan Liu

Ying Wang

Dajun Zhang

Haisheng Wang

Shaohui Sun

Jing Liang

Hucheng Wang

Haiyang Quan

Huiying Zhang

Ye Zhou

Ying Bi

Yali Zhao

Deshan Miao

Jiamin Liu

Shaoli Kang

Li Chen

Qiang Deng

Jiangsheng Fan

Ziqiao Liu

The present application relates to the field of wireless communications and provides an information transmission method and a device thereof. In the present application, a source IAB donor centralized unit (CU) of an IAB node receives first candidate cell identifiers from the IAB node or first candidate cell identifiers from a target IAB donor CU of the IAB node, the first candidate cell identifiers being allocated for the IAB node migrating to the target IAB donor CU, and the first candidate cell identifiers including candidate cell identifiers of a sub node of the JAB node and/or a terminal connected to the IAB node; and the source IAB donor CU sends a second candidate cell identifier to the sub node of the IAB node and/or the terminal connected to the IAB node, the second candidate cell identifier including at least one of the first candidate cell identifiers.

Allocating candidate cell identifiers for an integrated access and backhaul (IAB) node migrating to a target IAB donor centralized unit

Disclosed are a handover method and device. In embodiments of the present application, first, a DU determines that an inter-CU handover is required and then sends an F1 interface establishment request to a target CU, the F1 interface establishment request indicating that the reason for the establishment is the inter-CU handover for the DU; upon receiving the F1 interface establishment request sent from the DU, the target CU returns an F1 interface establishment response to the DU; upon receiving the F1 interface establishment response returned by the target CU, the DU sends to a source CU a message for instructing the DU to perform the inter-CU handover; and then, the DU is handed over from the source CU to the target CU.

Handover method and device

A biological information recognition module and an electronic device are provided. The biological information recognition module includes an optical path guide layer and an optical sensor, wherein the optical path guide layer includes a plurality of optical channels, and the optical sensor includes a plurality of photosensitive pixel units, and at least one vacant unit arranged among the plurality of photosensitive pixel units; and light beams carrying biological information above the vacant unit are received by at least one photosensitive pixel unit via the optical channels. The electronic device includes a display screen, and a biological information recognition module arranged under the display screen.

Biological information recognition module and electronic device

A biometric information recognition module and an electronic device are provided, including an optical path guiding layer and a photosensitive pixel array which are arranged in sequence. The optical path guiding layer includes a plurality of optical channels. The photosensitive pixel array includes a plurality of photosensitive pixel units, and light beams carrying biometric information pass through optical channel(s) and are then incident on corresponding photosensitive pixel unit(s), the light path guiding layer including a central region and peripheral region(s) surrounding the central region, and an included angle being formed between an optical channel in the peripheral region and a first straight line perpendicular to the surface of the photosensitive pixel array.

Biometric information recognition module and electronic device

A method, a device, a terminal and a service device for determining satellite communication system parameters are provided. The method includes: obtaining gateway station information, according to an ephemeris information table or a system message; calculating feeder link information of a current communication link, according to the obtained gateway station information; and determining a satellite communication system parameter of the terminal according to the feeder link information.

Method, device, terminal and service device for determining sateellite communications system parameters

A resource allocation method and a communication device are provided. The resource allocation method of the present disclosure is operable by a base station, the base station includes a Central Unit (CU) and a Distributed Unit (DU) connected to the CU. The method includes: determining, by the DU, a Sidelink (SL) resource allocation mode; and allocating, by the DU, SL resource for a UE according to the determined resource allocation mode and User Equipment (UE) context information.

Resource allocation method and communication device

Provided are a biometric information recognition module and an electronic device. The biometric information recognition module includes an optical path guide layer and an optical sensor; the optical path guide layer includes a plurality of optical channels, and the optical sensor includes a plurality of photosensitive pixel units, at least two adjacent photosensitive pixel units forming a photosensitive pixel unit group; the biometric information recognition module further includes a gap region disposed between at least two photosensitive pixel unit groups, and light beams carrying biometric information above the gap region are received by at least one photosensitive pixel unit through the optical channels. The electronic device includes a display screen and a biometric information recognition module disposed under the display screen.

Embodiments of the present application relate to the field of communication and provide a method, a network device, and an apparatus for communication system handover, and a medium, for handover of the communication system of a terminal. The method includes: includes an AMF sends a handover request carrying first indication information to an NG-RAN node corresponding to an identifier of a target NG-RAN node; and the NG-RAN node determines the address of data forwarding according to the first indication information.

Method, network device, and apparatus communication system handover, and medium

A feeder link handover method, device and apparatus, and a handover method, device and apparatus for user equipment belonging to a satellite are provided. The method includes: interacting with a target gateway by a source gateway and determining a handover time instant T and/or a target cell activation time instant T', wherein the handover time instant T is a time instant at which a previous feeder link is disconnected and establishment of a new feeder link is initiated, the target cell activation time instant T′ is T+a time period Δ (delta) required for the establishment of the new feeder link; initiating a feeder-link handover at the handover time instant T, and instructing a user equipment to synchronize with a target cell at the T′.

Handover method, device, and apparatus for feeder link and user equipment belonging to satellite

A data forwarding method and device, a master base station and a slave base station are provided. The data forwarding method includes: after receiving a handover request message sent by a second master base station, if it is determined that a slave base station node is newly added, a service data adaptation protocol (SDAP) layer of a part of flows of a preset protocol data unit (PDU) session is configured at a master base station node, and an SDAP layer of the rest part of flows of the preset PDU is configured at the newly added slave base station node, sending a handover request response message carrying first preset information to a second master base station. The first preset information includes: first identity identifications of all flows configured for the first master base station and data forwarding addresses corresponding to the first identity identifications, and second identity identifications of all flows configured for the newly added first slave base station and data forwarding addresses corresponding to the second identity identifications.

Data forwarding method and device, master base station and slave base station

Disclosed are a mobility management method, a radio access network, a terminal and a computer storage medium. The method includes: sending, to a terminal, a configuration message, and the terminal reports, according to the configuration message, neighbor cell signal strength or terminal position information; and after a measurement report, which is reported by the terminal and includes the neighbor cell signal strength or the terminal position information, has been received, according to the measurement report and position information of an NG-RAN, determining whether a specified condition allowing the terminal to carry out neighbor cell handover is satisfied, and if so, sending a cell handover message to the terminal, and the terminal is handed over from the current cell to a target cell, and the specified condition is a condition allowing the terminal to carry out neighbor cell handover.

Mobility management method, radio access network, terminal and computer storage medium

The embodiments of the present application provide a wireless backhaul network, a communication method and an apparatus. The wireless backhaul network comprises at least one tree topology structure, each of the at least one tree topology structure being composed of a serving base station node and at least one relay node, the root of the tree topology structure being the serving base station node; and any two nodes in the wireless backhaul network are in a child-parent relationship or non-child-parent relationship, and any two nodes, which are in the child-parent relationship, communicate by means of wireless connections.

Wireless backhaul network, communication method and apparatus

The present disclosure provides a paging method, a positioning information sending method, a core network node and a base station, and relates to the technical field of communication. The paging method is applied to the core network node in a satellite Internet communication system and comprises the following steps: acquiring the setting mode of the tracking area TA in the satellite Internet communication system; determining the base station for paging the terminal according to the setting mode; and sending a paging message to the base station; wherein the setting mode comprises one of the following setting mode: dividing the satellite Internet communication system one TA; setting at least two fixed TAs; and setting at least two non-fixed TAs.

Paging method, positioning information sending method, core network node and base station

Provided by the present application are a data transmission method and device, which are used to solve the problem of being unable to accurately transmit an RRC message which is too large. The method comprises: when determining that the length of an original RRC message exceeds a preset threshold, compressing the original RRC message; packaging the compressed RRC message into a PDCP PDU; and sending the packaged PDCP PDU to a receiving end.

RRC message transmission method and device

A layer 2 processing method, a CU and a DU are provided. The layer 2 processing method includes: sending channel reconstruction indication information to the DU; receiving a response message sent by the DU; generating an RRC reconfiguration message based on the response message; and sending the RRC reconfiguration message to a UE, and performing, by the UE, a corresponding operation.

Growing community of inventors

Beijing, China

Jiancheng Sun