137 results about "Vehicle to everything" patented technology

Disclosed is a method of transmitting and receiving a message for a communication between UEs in a wireless communication system and an apparatus using the method. Specifically, in a method of relaying a V2X message by a first UE (User Equipment) in a wireless communication system supporting V2X (Vehicle-to-Everything) communication, the method may comprise steps of receiving the V2X message from a second UE, calculating a resource usage rate of a direct link between UEs, determining a relay scheme of the V2X message, by comparing the calculated resource usage rate and a predetermined threshold, and transferring the V2X message to a third UE based on the determined relay scheme.

The present disclosure proposes a method for transmitting and receiving data through sidelink in a wireless communication system supporting Vehicle-to-Everything (V2X) communication.Particularly, the method performed by a first User Equipment includes receiving, from a base station, Downlink Control Information (DCI) including information related to a transmission of first control information; transmitting, to the second User Equipment, the first control information based on the received DCI; and transmitting, to the second User Equipment, one or more data through the sidelink.

A frame structure for a new radio access technology (RAT) is configured by a network node. The network node configures a first frame which has one legacy transmission time interval (TTI) and a second frame which has multiple short TTIs, and communicates with a user equipment (UE) by using at least one of the first frame and the second frame. The UE may be a one of a massive machine-type communication (mMTC) UE, an ultra-reliable and low latency communication (URLLC) UE or an enhanced vehicle-to-everything (eV2X)

Embodiments of Vehicle-to-everything (V2X) communications authentication are described. In some embodiments, a user equipment (UE) configured V2X communication and configured to operate within a fifth-generation system (5GS) and / or a combined 5GS and fourth-generation system (4GS) can encode a V2X capability indication in a request message for transmission to a network entity, such as a Access and Mobility Management Function (AMF). The V2X capability indication can indicate a capability of the UE for V2X communication over a PC5 reference point, and the request message can further include an indication of a Radio Access Technology (RAT). In some embodiments, the AMF can determine whether the UE is authorized to use the V2X communications over the PC5 reference point, and whether the UE is authorized to use the RAT indicated in the request message. Accordingly, the AMF can transmit a V2X services authorization to a next generation radio access network (NG-RAN).

For congestion control is an important aspect for PC5-based vehicle-to-everything (V2X) communication, a channel occupancy ratio (CR) has been introduced. CR is defined as the total number of sub-channels used by a user equipment (UE) for its transmissions divided by the total number of configured sub-channels over a measurement period of 1000 ms. The present invention provides a method and apparatus for calculating a CR over past multiple N subframes up to a subframe at which data is to be transmitted in sidelink. Accordingly, new sidelink transmission (or retransmission) can be considered for CR measurement.

The invention provides a vehicle to everything (V2X) business transmission method and device, and a resource allocation method and device. The V2X business transmission method includes that a first onboard unit OBU acquires the transmission resources for transmitting the V2X business, the transmission resources include the resources required to send the V2X business data and scheduling information in the V2X business, the scheduling information refers to the information indicating the resource scheduling of the V2X business data, the first OBU transmits the scheduling information and the V2X service data to the second OBU on the transmission resources, the scheduling information and the V2X business data are subjected to frequency domain multiplexing in the same subframe in the transmission resources and the scheduling information indicates that the V2X business data is subjected to resource allocation in the same and / or different subframes. According to the invention, the problem that the D2D technology in the prior art can only send the resource scheduling information and V2X business data separately is solved, and the gaps in the relevant technology are filled.

Disclosed are a system and method of regulating access to devices that can distract a driver that is operating a motor vehicle based on received Vehicle-to-Everything communications including Vehicle-to-Vehicle and Vehicle-to-Infrastructure information. One example method may include determining a vehicle is approaching a vehicle movement restriction location requiring a vehicle movement restriction, determining an amount of time associated with the vehicle movement restriction, and determining whether a device located inside the vehicle will be made accessible to a user during the vehicle movement restriction based on the amount of time associated with the vehicle movement restriction.

During path switching between sidelink (SL) and uplink (UL) for vehicle-to-everything (V2X) message transmission, a path switching layer of a user equipment (UE), which may be located right above a packet data convergence protocol (PDCP) layer of the UE, stores a vehicle-to-everything (V2X) message, which is not transmitted yet on an old path, in a transmission buffer. And then, the path switching layer of the UE re-submits the V2X message stored in the transmission buffer to a lower layer of a new path.

Provided are a method for a terminal executing vehicle-to-everything (V2X) communication to determine transmission power in a wireless communication system and a terminal utilizing the method. The method determines the transmission power necessary for a V2X transmission, and transmits a V2X signal to another terminal at the determined transmission power, wherein the transmission power for the V2X transmission is determined by means of a second parameter aggregation independent of a first parameter aggregation utilized when the terminal is transmitting a signal to a base station.

Provided are a method and apparatus for supporting mobile communication network-based vehicle to everything (V2X) communication. The method may include: transmitting, to a base station, terminal assistance information for semi-persistent scheduling (SPS) of radio resources for V2X communication; receiving, from the base station, SPS configuration information generated using the terminal assistance information; and performing V2X communication by using the SPS configuration information.

Apparatuses, methods, and systems are disclosed for V2X communication over multiple radio access types. One method includes configuring a remote unit with information indicating a plurality of mobile networks and a radio access type of a plurality of radio access types for direct vehicle-to-everything communication corresponding to each mobile network of the plurality of mobile networks. The method includes supporting a plurality of vehicle-to-everything applications. Each vehicle-to-everything application of the plurality of vehicle-to-everything applications communicates via a direct vehicle-to-everything communication using a corresponding radio access type of the plurality of radio access types.

A method for performing vehicle-to-everything (V2X) communication in a wireless communication system and a device for same are disclosed. Particularly, a method for a user equipment (UE) performing V2X communication by means of a PC5 interface in a wireless communication system comprises the steps of: receiving from an upper layer a request for transmitting a V2X message; requesting radio resources, for V2X communication by means of a PC5 interface, to a base station or selecting radio resources for V2X communication by means of the PC5 interface; and performing transmission of V2X communication by means of the PC5 interface, wherein, if a UE has emergency packet data network (PDN) connection, an indication, indicating that transmission by means of the emergency PDN connection is a higher priority than the V2X communication by means of the PC5 interface, can be transmitted from the upper layer.

In a wireless communication system, a user equipment (UE) may reselect a sidelink resource to be used for vehicle-to-everything (V2X) communication. The reselection of sidelink resource may be triggered by various conditions. In particular, the reselection of the sidelink resources may be triggered when a value of sidelink resource reselection counter is zero. More specifically, the UE determines that data for the V2X communication is available in a sidelink traffic channel (STCH), determines that a value of the sidelink resource reselection counter is zero, and reselects the sidelink resources.

Provided are an operation method in accordance with uplink semi-persistent scheduling (SPS) of a terminal in a wireless communication system and a terminal using the method. The method is characterized by: receiving, from a base station, downlink control information (DCI) for indicating activation or release of uplink SPS; and decoding the DCI on the basis of a first radio network temporary identifier (RNTI) or a second RNTI. If the DCI is a first DCI for SPS for transmitting a signal to the base station, the DCI is decoded on the basis of the first RNTI, and, if the DCI is a second DCI for SPS for transmitting a vehicle-to-everything (V2X) signal, the DCI is decoded on the basis of the second RNTI. And the first RNTI and second RNTI are RNTIs that are different from each other.

The invention relates to user equipment and a data transmission method thereof. The data transmission method comprises the steps of acquiring information, which is sent by a base station, of a resource pool used for transmitting V2X (Vehicle-to-Everything) data; detecting a physical resource block in the resource pool when the V2X data needs to be transmitted; and transmitting the V2X data by using the physical resource block in the resource pool when the physical resource block in the resource pool is determined to meet a first condition. The scheme can realize transmission of the V2X data and improve the user experience.

Disclosed are a method for performing V2X communication in a wireless communication system and an apparatus for the same. Specifically, a method for performing vehicle-to-everything (V2X) communication by a user equipment (UE) in a wireless communication system includes: receiving a transmission request of a V2X message of a V2X service identified by a V2X service identifier from an upper layer by using V2X communication through a PC5 interface, the transmission request including the V2X message and the V2X service identifier; requesting or selecting a resource for the V2X communication through the PC5 interface to a base station based on whether the UE is serviced by an evolved universal terrestrial radio access network (E-UTRAN) for the V2X communication; and transmitting the V2X message through the PC5 interface by transferring the V2X me3ssage to a lower layer, and when mapping between the V2X service identifier and a transmission parameter is configured, the transmission parameter associated with the V2X service identifier may be transferred to the lower layer together with the V2X message.

The invention provides an outdoor smart parking system based on V2X (Vehicle-to-Everything) communication. The system mainly consists of a vehicle terminal, parking lot V2X roadside equipment and a parking lot cloud platform, wherein the vehicle terminal is used for establishing communication with the parking lot V2X roadside equipment and the parking lot cloud platform, and realizing a function of acquiring local map and parking space information of the parking lot, applying for the parking space, parkbud and the like; the parking lot V2X roadside equipment is used for realizing the monitoring on the parking space state and management of the parking spaces in the parking lot based on the vehicle high-accuracy positioning and V2X communication manner; the parking lot cloud platform is usedfor acquiring and publishing the parking space state information in the parking lot, managing the local map of the parking lot, managing the parking charge payment and the like, and supplying the parking space state and map to the smart parking application of the vehicle terminal. By adopting the outdoor smart parking system based on the V2X communication, low-cost and efficient information service is provided for the parking space management, and more convenient service is brought to the parking and driving of the vehicles.

The invention provides a method and a device for managing vehicles in vehicle to everything. The method comprises the following steps that: vehicle group heads in the vehicle to everything acquire management permission from network side equipment, wherein the management permission is permission for the vehicle group heads to manage vehicle groups to which the vehicle group heads belong, and each of the vehicle groups comprises a plurality of vehicles; and the vehicle group heads manage the vehicle groups to which the vehicle group heads belong according to the management permission. Through adoption of the method and the device, the problem that the network side equipment is not capable of easily allocating and releasing resources to the vehicles in the vehicle to everything in the prior art is solved, and the effect of increasing the vehicle management efficiency in the vehicle to everything is achieved.

Provided are a method for transmitting, by a base station in a wireless communication system, a vehicle to everything (V2X) message, and an apparatus for supporting the same. The base station may receive broadcast area information indicative of areas to which the V2X message will be broadcast, from a multi-cell coordination entity (MCE), receive the V2X message from a terminal, and transmit the received V2X message to a neighboring base station. Provided are a method for transmitting, by a V2X server in a wireless communication system, a vehicle to everything (V2X) message, and an apparatus for supporting the same. The V2X server may receive the V2X message transmitted by a base station from a serving / packet-gateway (S / P-GW), determine a broadcast of the received V2X message, and transmit the V2X message to a base station that belongs to the same multimedia broadcast single frequency network (MBSFN) area as the base station.

The invention provides a method, a device and a system for transmitting a vehicle-to-everything communications (V2X) message. The method comprises the following steps that: network side equipment acquires V2X resource information and / or V2X resource configuration information, wherein the V2X resource information is used for transmitting a V2X message of a non-service operator, and the V2X resource configuration information is used for acquiring the V2X resource information by a terminal; and the network side equipment transmits the V2X resource information and / or the V2X resource configuration information to the terminal. Through adoption of the method and the system supporting transmission of a V2V service in a multi-operator multi-carrier-frequency scene, the problem that the V2V service cannot support the multi-operator multi-carrier-frequency scene in the prior art is solved.

The present invention relates to a method and an apparatus for a first device transmitting and receiving data to / from one or more devices in a wireless communication system supporting vehicle to everything (V2X) service, and is characterised by the first device measuring an energy level of a first resource region for supporting the V2X service and transmitting a particular message via one or more resource regions of the first resource region and a second resource region based on the measurement result, wherein the second resource region represents a resource region for the first device transmitting the particular message to a second device via a network and the first resource region represents a resource region for the first device transmitting the particular message directly to the second device.

Provided are a synchronization method of first user equipment (P-UE) in a wireless communication system and user equipment using the method. The method involves receiving a V2X (vehicle-to-everything) message, sent by second user equipment (V-UE) via a second carrier, and performing synchronization on the basis of the V2X message. The first user equipment (P-UE) communicates with a base station via a first carrier, wherein the first carrier differs from the second carrier.

Disclosed herein is a method for transmitting information for a neighboring vehicle UE of a first vehicle UE using V2X (Vehicle-to-Everything) communication in a wireless communication system.The method includes receiving a first V2X message from at least one the neighboring vehicle UE; generating a second V2X message based on the received first V2X message when an accident triggering an eCall (emergency call) occurs, checking whether the second V2X message is ready to be transmitted to the first network entity; and transmitting at least one of the eCall, a minimum set of data (MSD) forming the data component of the eCall, or the second V2X message to the first network entity according to the result of the check.

Provided are a method of receiving a vehicle to everything (V2X) message by a base station in a wireless communication system, and an apparatus supporting the method. The method may include: receiving, from a multi-cell coordination entity (MCE), local multimedia broadcast multicast service (MBMS) distribution information including an internet protocol (IP) multicast address; receiving, from the MCE, an indication indicating whether the local MBMS distribution information is allocated by a local MBMS entity (LME); and receiving the V2X message by joining the IP multicast address on the basis of the indication and the local MBMS distribution information, wherein the local MBMS distribution information is information for IP multicast distribution of MBMS user plane data.

As a channel busy ratio (CBR) is defined to measure the congestion of a PC5 interface in order to support an effective vehicle-to-everything (V2X) communication, an eNodeB (eNB) transmits CBR information of a sidelink channel to a user equipment (UE) for each resource pool used for V2X communication. The user equipment which has received the CBR information determines if there is a usable CBR and, if it is determined that there is no usable CBR, can use the received CBR information.

Disclosed are a method for performing V2X communication in a wireless communication system and an apparatus therefor. Specifically, a method for supporting, by a base station, a user equipment (UE) to perform vehicle-to-everything (V2X) communication with a vehicle through a PC5 interface in a wireless communication system may include: receiving a sidelink UE information message for requesting resource allocation for the V2X communication through the PC5 interface from a UE in a limited service state; checking whether the UE has a capability to use the V2X communication with an emergency packet data network (PDN) connection or whether the UE is authorized to perform the V2X communication; and allocating a resource for the V2X communication when the UE has the capability to use the V2X communication with the emergency (PDN) connection or the UE is authorized to perform the V2X communication.

An apparatus and method for controlling a vehicle speed based on information about forward vehicles that travel in the same lane may be acquired using Vehicle to Everything (V2X) communications in a cooperative adaptive cruise control (CACC) system. The CACC system includes a communication unit receiving vehicle information from neighboring vehicles using V2V communications; an information collection unit collecting vehicle information of the neighboring vehicles and the subject vehicle using sensors; and a control unit determining a forward vehicle and a far-forward vehicle using the sensors,selecting first and second target vehicles for being followed by the subject vehicle based on the vehicle information of the forward vehicle and the far-forward vehicle and the vehicle information ofthe neighboring vehicles, and controlling the driving speed of the subject vehicle based on speed information of the first and second target vehicles.