# US 2019/0174416 A1 · Communication method, apparatus, and device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174416 A1 - Document ID: US20190174416A1 - Status: Published application - Kind: A1 - Application number: 16/269,299 - Filed: 2019-02-06 - Published: 2019-06-06 - Earliest claimed: 2016-08-11 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Liangliang ZHANG - Web page: https://patentgrep.com/patent/US20190174416A1 ## CPC - H04W 52/0235: {where the received signal is a power saving command} - H04W 48/16: Discovering, processing access restriction or access information - H04W 52/0212: {managed by the network, e.g. network or access point is leader and terminal is follower} - H04W 68/02: Arrangements for increasing efficiency of notification or paging channel - H04W 74/08: Non-scheduled access, e.g. ALOHA (hybrid access H04W74/02) - H04W 76/30: Connection release - H04W 88/04: adapted for relaying to or from another terminal or user - H04W 88/08: Access point devices - 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 Embodiments of the present application provide a communication method, including: the first node sends the second message to the third node, where the second message is used to instruct the third node to perform a corresponding operation. This resolves a problem of relatively high power consumption generated when the third node needs to periodically listen to a message sent by the second node when the third node performs D2D communication in a D2D communication process, and achieves an objective and an effect of effectively saving power when the third node receives information sent by the second node during D2D communication. ## Claims ### Claim 1 A communication method, applied to a first user equipment in a device to device communication system, wherein the method comprises: receiving, in a paging period of the first user equipment or a third user equipment, a first message from a base station, wherein the first message comprises a service priority of the third user equipment and instructs to page a third user equipment to communicate with the base station and the base station serves the first user equipment; sending, based on the service priority of the third user equipment, a second message to the third user equipment in a device to device connection between the first user equipment and the third user equipment, wherein the second message instructs the third user equipment to access the base station or to communicate with the base station through a relay serving of the first user equipment. ### Claim 2 (depends on 1) The method according to claim 1, wherein the method further comprises: releasing, the device to device connection between the first user equipment and the third user equipment in case that the third user equipment successfully accesses the base station. ### Claim 3 (depends on 2) The method according to claim 2, wherein the method further comprises: receiving from the third user equipment, a third message instructing that the third user equipment successfully accesses the base station. ### Claim 4 (depends on 1) The method according to claim 1, wherein the method further comprises: receiving from the base station, a fourth message instructing to release the device to device connection between the first user equipment and the third user equipment. ### Claim 5 (depends on 1) The method according to claim 1, wherein the method further comprises: sending to the base station, a fifth message instructing the base station to release related configuration of the device to device connection between the first user equipment and the third user equipment. ### Claim 6 A first user equipment in a device to device communication system, comprising: a receiver and a transmitter; wherein the receiver is configured to receive, in a paging period of the first user equipment or a third user equipment, a first message from a base station, wherein the first message comprises a service priority of the third user equipment and instructs to page the third user equipment to communicate with the base station and the base station serves the first user equipment; the transmitter is configured to send, based on the service priority of the third user equipment, a second message to the third user equipment in a device to device connection between the first user equipment and the third user equipment, wherein the second message instructs the third user equipment to access the base station or to communicate with the base station through a relay serving of the first user equipment. ### Claim 7 (depends on 6) The first user equipment according to claim 6, wherein the first user equipment further comprises: a processor configured to release the device to device connection between the first user equipment and the third user equipment in case that the third user equipment successfully accesses the base station. ### Claim 8 (depends on 7) The first user equipment according to claim 7, wherein the receiver is further configured to receive from the third user equipment, a third message instructing that the third user equipment successfully accesses the base station. ### Claim 9 (depends on 6) The first user equipment according to claim 6, wherein the receiver is further configured to receive from the base station, a fourth message instructing to release the device to device connection between the first user equipment and the third user equipment. ### Claim 10 (depends on 6) The first user equipment according to claim 6, wherein the transmitter is further configured to send to the base station, a fifth message instructing the base station to release related configuration of the device to device connection between the first user equipment and the third user equipment. ### Claim 11 A non-transitory readable medium comprising: a memory; and program instructions stored in the memory, wherein the program instructions are configured, when executed, to perform the method of: receiving, in a paging period of a first user equipment or a third user equipment, a first message from a base station, wherein the first message comprises a service priority of the third user equipment and instructs to page a third user equipment to communicate with the base station and the base station serves the first user equipment; sending, based on the service priority of the third user equipment, a second message to the third user equipment in a device to device connection between the first user equipment and the third user equipment, wherein the second message instructs the third user equipment to access the base station or to communicate with the base station through a relay serving of the first user equipment. ### Claim 12 (depends on 11) The medium according to claim 11, wherein the method further comprises: releasing, the device to device connection between the first user equipment and the third user equipment in case that the third user equipment successfully accesses the base station. ### Claim 13 (depends on 12) The medium according to claim 12, wherein the method further comprises: receiving from the third user equipment, a third message instructing that the third user equipment successfully accesses the base station. ### Claim 14 (depends on 11) The medium according to claim 11, wherein the method further comprises: receiving from the base station, a fourth message instructing to release the device to device connection between the first user equipment and the third user equipment. ### Claim 15 (depends on 11) The medium according to claim 11, wherein the method further comprises: sending to the base station, a fifth message instructing the base station to release related configuration of the device to device connection between the first user equipment and the third user equipment.