# US 11,310,638 B2 · V2X communication device and geo-networking transmission method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,638 B2 - Document ID: US11310638B2 - Status: Granted - Kind: B2 - Application number: 16/630,415 - Filed: 2017-10-11 - Published: 2020-10-22 - Granted: 2022-04-19 - Earliest claimed: 2017-06-25 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Seoyoung Back; Woosuk Ko; Seungryul Yang - Web page: https://patentgrep.com/patent/US11310638B2 ## CPC - H04W 40/244: {using a network of reference devices, e.g. beaconing} - H04L 45/745: Address table lookup; Address filtering - H04L 67/12: specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks - H04L 67/52: specially adapted for the location of the user terminal - H04L 67/563: Data redirection of data network streams - H04L 69/22: Parsing or analysis of headers - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 40/20: based on geographic position or location - H04W 72/20: Control channels or signalling for resource management - H04W 72/30: Resource management for broadcast services - H04W 4/02: Services making use of location information - H04W 4/027: {using movement velocity, acceleration information} - H04W 4/44: for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H] - H04W 4/46: for vehicle-to-vehicle communication [V2V] - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04W 40/22: using selective relaying for reaching a BTS [Base Transceiver Station] or an access point - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A GeoNetworking transmission method of a V2X communication device is disclosed. The GeoNetworking transmission method includes receiving a beacon packet or a single hop broadcast (SHB) packet; configuring location information, the location information including information about at least one neighboring V2X communication device executing a GeoNetworking protocol; determining a forwarder from the neighboring V2X communication devices included in a location table and setting an address of the determined forwarder to a link layer address; and transmitting a GeoNetworking packet to a first service channel (SCH) based on the link layer address. ## Claims ### Claim 1 A GeoNetworking transmission method of a V2X communication device, the method comprising: receiving a beacon packet or a single hop broadcast (SHB) packet; configuring location information, the location information including information about at least one neighboring V2X communication device executing a GeoNetworking protocol; determining a forwarder from neighboring V2X communication devices included in a location table and setting an address of the determined forwarder to a link layer address; and transmitting a GeoNetworking packet to a first service channel (SCH) based on the link layer address, wherein a header of the beacon packet or the SHB packet includes SCH information for a multi-channel operation (MCO), wherein the SCH information indicates at least one of a current SCH ID or a next SCH ID that is accessed by a neighboring V2X communication device transmitting the beacon packet or the SHB packet, and wherein based on the beacon packet or the SHB packet including the SCH information being received on a specific SCH, the SCH information indicates an ID of another SCH other than the specific SCH. ### Claim 2 (depends on 1) The method of claim 1, wherein the location information includes at least one of GeoNetworking address information, link layer address information, type information, position vector information, or the SCH information about at least one neighboring V2X communication device receiving the GeoNetworking packet. ### Claim 3 (depends on 1) The method of claim 1, wherein the determining of the forwarder further comprises determining, as the forwarder, one of one or more V2X communication devices using the first SCH among the neighboring V2X communication devices. ### Claim 4 (depends on 1) The method of claim 1, wherein the beacon packet or the SHB packet including the SCH information is received on a control channel (CCH) or a SCH. ### Claim 5 A V2X communication device comprising: a memory configured to store data; a communication unit including a transceiver configured to transmit and receive a radio signal including a GeoNetworking packet; and a processor configured to control the memory and the communication unit, wherein the processor is configured to: receive a beacon packet or a single hop broadcast (SHB) packet; configure location information, the location information including information about at least one neighboring V2X communication device executing a GeoNetworking protocol; determine a forwarder from neighboring V2X communication devices included in a location table and set an address of the determined forwarder to a link layer address; and transmit the GeoNetworking packet to a first service channel (SCH) based on the link layer address, wherein a header of the beacon packet or the SHB packet includes SCH information for a multi-channel operation (MCO), wherein the SCH information indicates at least one of a current SCH ID or a next SCH ID that is accessed by a neighboring V2X communication device transmitting the beacon packet or the SHB packet, and wherein based on the beacon packet or the SHB packet including the SCH information being received on a specific SCH, the SCH information indicates an ID of another SCH other than the specific SCH. ### Claim 6 (depends on 5) The V2X communication device of claim 5, wherein the location information includes at least one of GeoNetworking address information, link layer address information, type information, position vector information, or the SCH information about at least one neighboring V2X communication device receiving the GeoNetworking packet. ### Claim 7 (depends on 5) The V2X communication device of claim 5, wherein the determining of the forwarder is performed by determining, as the forwarder, one of one or more V2X communication devices using the first SCH among the neighboring V2X communication devices. ### Claim 8 (depends on 5) The V2X communication device of claim 5, wherein the beacon packet or the SHB packet including the SCH information is received on a control channel (CCH) or a SCH.