# US 2018/0324694 A1 · User terminal, communication device and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324694 A1 - Document ID: US20180324694A1 - Status: Published application - Kind: A1 - Application number: 15/766,654 - Filed: 2017-01-18 - Published: 2018-11-08 - Earliest claimed: 2016-02-04 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Hiromasa UCHIYAMA - Web page: https://patentgrep.com/patent/US20180324694A1 ## CPC - H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame} - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 52/0219: {where the power saving management affects multiple terminals} - H04W 52/0251: {using monitoring of local events, e.g. events related to user activity} - H04W 76/14: Direct-mode setup - H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX] - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract An electronic device (10) including circuitry configured to perform communications with a road side unit, RSU, (50), a base station (30), and another electronic device (20) mounted to a moving object (22); receive, from the base station (30) or the RSU (50), parameters for performing intermittent device-to-device, D2D, communication with the another electronic device (20), the parameters including information indicating a resource pool used for performing the intermittent D2D communication with the another electronic device (20); and perform intermittent D2D communication with the another electronic device (10) based on the parameters received from the base station (30) or RSU (50). ## Claims ### Claim 1 An electronic device comprising: circuitry configured to perform communications with a road side unit (RSU), a base station, and another electronic device mounted to a moving object; receive, from the base station or the RSU, parameters for performing intermittent device-to-device (D2D) communication with the another electronic device, the parameters including information indicating a resource pool used for performing the intermittent D2D communication with the another electronic device; and perform intermittent D2D communication with the another electronic device based on the parameters received from the base station or RSU. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the information indicating the resource pool for performing the intermittent D2D communication includes information identifying resources used for discontinuous transmission (DTX) and discontinuous reception (DRX). ### Claim 3 (depends on 1) The electronic device of claim 1, wherein the parameters include information indicating a cycle of the intermittent D2D communication and a start timing of the cycle. ### Claim 4 (depends on 3) The electronic device of claim 3, wherein the parameters include an extension parameter indicating an extension of the cycle. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the parameters include identification information indicating a group of electronic devices having common intermittent D2D communication parameters to which the electronic device belongs. ### Claim 6 (depends on 1) The electronic device of claim 1, wherein the parameters are differently set for each of a plurality of types of transmitted or received messages. ### Claim 7 (depends on 1) The electronic device of claim 1, wherein the parameters include information identifying a plurality of groups to which the electronic device belongs, each group having different parameters for performing intermittent D2D communication that are commonly applied to electronic devices associated with each group. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the circuitry is configured to acquire the parameters from the RSU. ### Claim 9 (depends on 1) The electronic device of claim 1, wherein the circuitry is configured to transmit information for generating the parameters to the base station or RSU. ### Claim 10 (depends on 9) The electronic device of claim 9, wherein the information for generating the parameters includes a buffer status report generated by the electronic device. ### Claim 11 (depends on 9) The electronic device of claim 9, wherein the information for generating the parameters includes information unique to the electronic device. ### Claim 12 (depends on 1) The electronic device of claim 1, wherein the intermittent D2D communication with the another electronic device is intermittent transmission to the another electronic device or intermittent reception from the another electronic device. ### Claim 13 (depends on 1) The electronic device of claim 1, wherein the electronic device is configured to be mounted to another moving object, and the circuitry is configured to perform the intermittent D2D communication with the another electronic device according to a timing at which intermittent D2D communication of the another electronic device is possible. ### Claim 14 (depends on 13) The electronic device of claim 13, wherein the circuitry is configured to add a transmission timing based on a reception timing of the another electronic device. ### Claim 15 (depends on 14) The electronic device of claim 14, wherein the circuitry is configured to transmit information indicating the added transmission timing to the another electronic device. ### Claim 16 (depends on 13) The electronic device of claim 13, wherein the circuitry is configured to change an existing transmission timing based on a reception timing of the another electronic device. ### Claim 17 (depends on 16) The electronic device of claim 16, wherein the circuitry is configured to transmit information indicating the changed transmission timing to the another electronic device. ### Claim 18 (depends on 13) The electronic device of claim 13, wherein the circuitry is configured to perform repetitive transmissions of a same message at a transmission timing added based on a reception timing of the another electronic device. ### Claim 19 (depends on 18) The electronic device of claim 18, wherein the circuitry is configured to transmit information indicating a change of a number of repetitions of transmission of the same message at the existing transmission timing to the another electronic device. ### Claim 20 A method comprising: performing communications with a road side unit (RSU), a base station, and another electronic device mounted to a moving object; receiving, from the base station or the RSU, parameters for performing intermittent device-to-device (D2D) communication with the another electronic device, the parameters including information indicating a resource pool used for performing the intermittent D2D communication with the another electronic device; and performing intermittent D2D communication with the another electronic device based on the parameters received from the base station or RSU. ### Claim 21 An electronic device comprising: circuitry configured to perform communications with a road side unit (RSU) and another electronic device mounted to a moving object; receive, from the RSU, discontinuous transmission (DTX) parameters and discontinuous reception (DRX) parameters for performing discontinuous vehicle-to-everything (V2X) communication with the another electronic device; and perform discontinuous V2X communication with the another electronic device based on the discontinuous transmission (DTX) parameters and the discontinuous reception (DRX) parameters received from the RSU.