China Academy of Telecommunications Technology

Datang Mobile Communications Equipment Co., Ltd.

Jiayi Fang

Li Li Zhao

Yuan Feng

Haijun Zhou

Rui Zhao

Yi Zhao

Lin Lin

Ying Peng

Jiye Tang

Ying Wang

Feng Li

Xiaodong Yang

Yuanyuan Li

Haiyang Quan

Guojun Xiao

Haijing Hu

Li Long Chen

Guoqing Li

Dajun Zhang

Fangchen Cheng

Yu Ding

Fei Qin

Wei Bao

Nan Yan

Li Chen

Chenxin Li

Xuanyu Guo

Li Zhao

A unicast connection establishment method for a direct link, a terminal and a device are provided, the method is applied to a first terminal and includes the following steps: determining, according to status information of at least one second terminal, one terminal of the at least one second terminal as a target terminal for a unicast communication of a direct link; and establishing a unicast connection of the direct link with the target terminal, and determining transmission configuration information for performing a unicast data communication with the target terminal.

Unicast connection establishment method for direct link, terminal and device

Disclosed by the present application are a method and device for selecting resources in a carrier wave, the method includes that according to the service requirements for a service to be sent, determining available resources in a carrier wave that supports the service to be sent that satisfy the service requirements; and forming a resource pool by means of the available resources; and selecting from the resource pool a target resource that is used to send the service to be sent.

Method and device for selecting resources in carrier wave

A method and a device for indicating transmission resources, and a storage medium are provided. The method includes: selecting N transmissions according to a target indication rule, and determining N transmission resources of data information of a data packet corresponding to the N transmissions as selected; and transmitting in control information the N transmission resources as determined.

Method and device for indicating transmission resources and storage medium

Disclosed are a synchronization method and device, which are used to achieve the distinction of a synchronization system and a synchronization level of a node in a V2V communication system, thereby quickly achieving the synchronization in the V2V communication system. Provided is a synchronization method, comprising: determining a synchronization priority level of a current node; and according to the synchronization priority level of the current node, determining a synchronization sequence used by the current node and a value of a distinguishing flag bit of the current node, wherein the distinguishing flag bit is used to distinguish whether the current node belongs to a GNSS synchronization system or an eNB synchronization system.

Synchronization method and device

Disclosed in the present invention are a method and an apparatus for determining resource occupation state. The method comprises: a first node receiving SA information sent by at least one second node, the SA information being used for indicating resource occupation state of the second node; at each state maintenance moment, the first node determining, according to the service transmission cycle of the first node itself and the SA information, the resource occupation state within the state maintenance cycle which has a length of the service transmission cycle of the first node The solutions provided in the embodiments of the present invention can effectively support the sensing of the resource occupation state in various service transmission cycles, and reduce the complexity of resource occupation state maintenance and resource selection.

Method and apparatus for determining resource occupation state

A data detection method and a terminal applied to a first terminal are provided. The method includes receiving one or more pieces of SA information transmitted by one or more second terminals and used to indicate transmission resources of one or more data-to-be-detected; determining, based on the one or more pieces of SA information, one or more detection weight values corresponding to the one or more data-to-be-detected; detecting, based on the one or more detection weight values, the one or more data-to-be-detected within a data detection capability of the first terminal.

Data detection method and terminal

A method and device for resource reservation are provided. The resource reservation method includes: receiving scheduling assignment information transmitted by first UE, where the scheduling assignment information includes information about time-frequency resource that the first UE needs to reserve; determining the quantity of reservations for the time-frequency resource by the first UE according to the scheduling assignment information; if new scheduling assignment information about the time-frequency resource transmitted by the first UE has been received before the quantity of reservations becomes invalid, re-determining reservation information for the time-frequency resource according to the new scheduling assignment information; and if no new scheduling assignment information about the time-frequency resource transmitted by the first UE has been received before the quantity of reservations becomes invalid, taking the time-frequency resource as an idle resource.

Method and device for resource reservation

Embodiments of the present disclosure provide a method and a device for identifying a synchronization priority, including: determining a synchronization priority of a node according a connection relationship between the node and a Global Navigation Satellite System (GNSS) and a relative relationship between the node and a coverage scope of an eNB; configuring a synchronization sequence and an in coverage flag of the node according to the synchronization priority of the node. Combination of the synchronization sequence and the in coverage flag of the node is used to identify the synchronization priority of the node.

Method and device for identifying synchronization priority

Disclosed are a method and device for allocating cell resources of a device to device (D2D) system, which are used for improving the communication reliability of nodes located in different cell edge areas in an edge area ad hoc network manner. Provided is a method for allocating cell resources of a device to device (D2D) system, comprising: determining an edge area for D2D resource coordination of a cell; and allocating a resource pool to a node in the edge area, wherein the node in the edge area selects a resource from the resource pool in an ad hoc manner for communication, the resource being a time slot or time frequency block.

Method and device for allocating cell resources of a device to device system

The present disclosure provides a method and a device for scheduling resources in an internet of vehicles system, to centrally allocate timeslot resources in the internet of vehicles system at a network side. The method includes: receiving, by a scheduling device, information of a geographical area reported by a first node and corresponding to the first node; and determining, by the scheduling device, timeslot resources capable of being scheduled within the geographical area reported by the first node, and allocating a timeslot resource from the determined timeslot resources for the first node. Each cell is divided into geographical areas, and an identical timeslot resource can be shared by non-adjacent geographical areas in an identical cell, and/or non-adjacent geographical areas in different cells. By centralized scheduling of timeslot resources, it is able to ensure communication between nodes within a predetermined range, thereby preventing impact of timeslot resources used by the nodes.

Method and device for scheduling resources in internet of vehicles system

Disclosed are a method and apparatus for sending and broadcasting resource information, the method comprising: determining a resource used by a second-type node and a resource used by a first-type node, and determining the first-type node receiving a resource coordination message, wherein the first-type node is a node located within a base station signal coverage range, and the second-type node is a node located outside of the base station signal coverage range; and sending the resource coordination message to the determined first-type node, and instructing the first-type node to broadcast the contents of the resource coordination message, wherein the resource coordination message carries resource information about the first-type node and the second-type node. By means of the present application, resource continuity in the process of a node moving on a network coverage edge is guaranteed, resource collision is reduced, and the utilization rate of system resources is improved.

Method and apparatus for sending and broadcasting resource information

The present disclosure provides in some embodiments a resource scheduling method and a resource scheduling device for a vehicle infrastructure cooperative communication system, and a node of the vehicle infrastructure cooperative communication system. According to the present disclosure, a movement trend between nodes is determined in accordance with node position information, so as to spatially multiplex time-frequency resources and prevent the frequent adjustment of time-frequency resources, thereby to reduce signaling overhead for allocating the time-frequency resources and improve utilization of the time-frequency resources.

Resource scheduling method and device for vehicle infrastructure cooperative communication system, and node of vehicle infrastructure cooperative communication system

Disclosed are an interference reporting and resource adjustment method and apparatus, the method comprising: a node reporting, when determining that there is interference, interference indication information to a base station, wherein the interference indication information comprises: an interfered resource, and a signal to interference and noise ratio; after receiving the interference indication information, the base station determining, when it is determined that there is interference according to the signal to interference and noise ratio, the other nodes using the interfered resource; and adjusting a resource used by the other nodes, so as to avoid interference. By means of the present invention, resource collision can be reduced, so that the resource adjustment efficiency of a communication system is improved, and the requirements for applications with characteristics of low time delay and high reliability can be met.

Interference reporting and resource adjustment method and apparatus

Embodiments of the present application are for use in solving the problem of high probability of collisions occurring among existing node devices. Disclosed are a method and device for information submission and resource allocation in the V2X system. The resource allocation method comprises: a network side device assigns a subframe resource to a node device just accessing a cell and notifies the node device just accessing the cell of the assigned subframe resource; for node devices already accessing the cell, the network side device determines colliding node devices, reassigns subframe resources to the colliding node devices, and respectively notifies the colliding node devices of the reassigned subframe resources. Because employed is a solution in which resources are scheduled collectively by a network side device for node devices accessing a cell, in addition to ensuring time-division multiplexing of resources among a node device and other node devices having needs for communication in the surrounding, thus increasing system capacity, timely and effective solution of resource collisions among colliding node devices is also allowed, thus increasing the performance of communication among system node devices.

Method and device for information submission and resource allocation in internet of vehicles

Embodiments of the present invention relate to the field of wireless communications. Disclosed are a time slot state update method and device, which are used to improve the time flexibility during update of the time slot state. In the present invention, a communications node determines an update period of a time slot state table, the update period comprising x continuous time slots and x being an integer not less than 1 and not greater than the total of the time slots comprised in one frame; and the communications node updating the time slot state table after the update period ends. It can be seen that, the solution can improve the time flexibility during update of the time slot state.

Growing community of inventors

Beijing, China

Jiayi Fang