A circuit arrangement includes a preprocessing circuit configured to obtain context information related to a user location, a learning circuit configured to determine a predicted user movement based on context information related to a user location to obtain a predicted route and to determine predicted radio conditions along the predicted route, and a decision circuit configured to, based on the predicted radio conditions, identify one or more first areas expected to have a first type of radio conditions and one or more second areas expected to have a second type of radio conditions different from the first type of radio conditions and to control radio activity while traveling on the predicted route according to the one or more first areas and the one or more second areas.

This application provides a method. The method includes: A positioning management device receives first information sent by a terminal device, where the first information includes a plurality of antenna identifiers of the terminal device and local antenna coordinates corresponding to each antenna identifier. The positioning management device receives measurement information sent by the terminal device, where the measurement information includes the plurality of antenna identifiers of the terminal device and a measurement result that is of a downlink reference signal and that corresponds to each antenna identifier. The positioning management device determines positioning information of the terminal device based on the first information and the measurement information, where the positioning information includes one or more of the following information: absolute coordinates of the terminal device, orientation or posture information of the terminal device, a rotation angle of the terminal device, or uptilt and downtilt angles of the terminal device.

A communication system includes a communication management unit, an access point, and a plurality of traveling vehicles. The access point is connected to the communication management unit. Each vehicle includes a wireless communication unit. The communication system performs wireless polling communication between the communication management unit and the plurality of traveling vehicles via the access point at each predetermined polling cycle. In the communication system, a process including a wireless communication object addition step is performed to accept a new traveling vehicle as an object of wireless communication.

A method and apparatus for transmitting a buffer status report for a bi-directional transmission in a wireless communication system is provided. A user equipment (UE) triggers a buffer status report for the bi-directional transmission, and transmits the buffer status report for the bi-directional transmission or a scheduling request for the bi-directional transmission to a network. The bi-direction transmission may correspond to vehicle-to-everything (V2X) communication.

Method for operating a network node of a wireless digital data network based on broadcast layer-2 periodic frames, wherein said network is composed by a plurality of network nodes, wherein each network node is either a mobile node equipped with an on-board unit (OBU) node, or is a static node equipped with a road-side unit (RSU) node, said method comprising a current network node of the plurality of network nodes carrying out the following steps: periodically broadcasting a Network Status Information (NSI) frame which comprises: the node identifier and a type of node of the current network node; receiving broadcasted NSI frames from neighbouring network nodes of the plurality of network nodes reachable by the current network node through wireless communication; for any one received NSI frame, storing the received NSI frame in an entry in a NSI table (NSIT) if the received NSI frame was the first received NSI frame from a neighbouring network node, or otherwise, if the received NSI frame was not the first received NSI frame from the neighbouring network node, updating a previously stored NSIT entry with the received NSI frame; marking as expired or deleting any previously entered NSIT entry after a predetermined period of time has passed after receiving or updating said any previously entered NSIT entry. Also an electronic network node of a wireless digital data network, wherein said network node is programmed to carry out the method.

Embodiments of the present invention relate to the communications field and disclose a data transmission device, method, and system, so as to better improve an average downlink throughput of UE. A specific solution is: A determining unit determines a downlink frequency shift according to a received uplink signal sent by a terminal device, and determines a second transmit frequency according to the downlink frequency shift and a first transmit frequency; and a sending unit sends a downlink signal to the terminal device according to the second transmit frequency determined by the determining unit, so that the terminal device receives the downlink signal according to a receive frequency corresponding to the first transmit frequency, where the downlink signal includes at least one of a DMRS or downlink data. The present invention is applied in a data transmission process.

A location of a target associated with a first system is determined at the first system at a first time. A signal is constructed at the first system where the data of the signal includes a unique identifier, an identifier indicative of a collision avoidance nature of the signal, and the location of the target. The signal is broadcast from the first system. the broadcasting causes a second system to receive the signal; compute a likelihood of a collision between the first system and the second system using the location from the signal, a velocity of the first system, a location of the second system at the first time, and a velocity of the second system at the first time; and send a notification from the second system about the likelihood of collision when the likelihood of collision exceeding a threshold likelihood.

Disclosed are a method and system for implementing an X2 proxy. The method includes that a function of a next-hop node serving as an X2 proxy of a previous-hop node (300) is activated; and X2 message interaction between an initial node and a target node is implemented through more than one X2 proxy including the previous-hop node and the next-hop node (301).

A local server is configured to communicate with a plurality of computing devices within a local network. The local server comprises memory for storing instructions and a processor configured to execute the instructions. The instructions cause the processor to dynamically establish a connection with one or more of the plurality of computing devices, the connection identifying the one or more of the plurality of computing devices as data relays; receive data traffic from one or more of the plurality of computing devices within the local network, the data traffic to be communicated to a destination server; transmit the data traffic to the data relays for communication to the destination server via a communication network; receive response data traffic from the data relays; and transmit the response data to the one or more of the plurality of computing devices within the local network.

A standardized connection interface between aircraft equipment and a wireless data transmission network external to the aircraft includes a router. The router includes a mapping table between a plurality of connectivity link classes and one or more connectivity links associated with each connectivity link class. The router is configured to transmit the list of active connectivity link classes to each item of equipment, to establish a transmission of data between the piece of equipment and at least one wireless data transmission network (14A to 14E) through an active connectivity link, based on the list of active connectivity link classes and a list of connectivity link classes to which the piece of equipment is authorized to connect.