# US 2019/0380132 A1 · Network entity for flexibly managing radio resources for user equipments in a d2d communication network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0380132 A1 - Document ID: US20190380132A1 - Status: Published application - Kind: A1 - Application number: 16/548,646 - Filed: 2019-08-22 - Published: 2019-12-12 - Earliest claimed: 2017-02-23 - Assignees: Huawei Technologies Co., Ltd.; Volkswagen Aktiengesellschaft - Applicants: Huawei Technologies Co., Ltd.; Volkswagen Aktiengesellschaft - Inventors: Liang HU; Markus Martin DILLINGER; Josef EICHINGER; Roman ALIEIEV; Thorsten HEHN; Andreas KWOCZEK - Web page: https://patentgrep.com/patent/US20190380132A1 ## CPC - H04W 72/542: using measured or perceived quality - H04W 76/14: Direct-mode setup - H04W 4/46: for vehicle-to-vehicle communication [V2V] - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 80/12: Application layer protocols, e.g. WAP [Wireless Application Protocol] - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A network entity for flexibly managing radio resources for a plurality of user equipment in a communication network is provided. The network entity includes: a communication interface configured to communicate with a user equipment of the plurality of user equipment; and a processor configured to obtain a communication quality measure associated with the communication between the network entity and the user equipment and to select a radio resource management mode for the user equipment on the basis of the communication quality measure. ## Claims ### Claim 1 A network entity for managing radio resources for a plurality of user equipment in a communication network, the network entity comprising: a communication interface configured to communicate with a user equipment of the plurality of user equipment; and a processor configured to: obtain a communication quality measure associated with the communication between the network entity and the user equipment; and select a radio resource management mode for the user equipment on the basis of the communication quality measure. ### Claim 2 (depends on 1) The network entity of claim 1, wherein the processor is further configured to inform the user equipment via the communication interface about the selected radio resource management mode. ### Claim 3 (depends on 2) The network entity of claim 2, wherein the processor is further configured to allocate radio resources of the communication network for the user equipment on the basis of the selected radio resource management mode using a resource allocation response message transmitted via the communication interface to the user equipment. ### Claim 4 (depends on 3) The network entity of claim 3, wherein the resource allocation response message comprises one or more of the following fields: resource subpool ID, timer validity for a subpool, synchronization reference configuration for a subpool, UE transmission power level for a subpool, semi-persistent scheduling IDs for each user equipment. ### Claim 5 (depends on 4) The network entity of claim 4, wherein the processor is configured to allocate the radio resources of the communication network for the user equipment on the basis of the selected radio resource management mode in response to a resource allocation request message received from the user equipment. ### Claim 6 (depends on 5) The network entity of claim 5, wherein the resource allocation request message comprises one or more of the following: user equipment location, user equipment speed, user equipment moving direction, user equipment buffer status report, user equipment sidelink channel quality information, radio resource context information provided by a base station in communication with the user equipment. ### Claim 7 (depends on 6) The network entity of claim 6, wherein the processor is configured to allocate the radio resources of the communication network by assigning the user equipment to a subpool of radio resources. ### Claim 8 (depends on 6) The network entity of claim 6, wherein the processor is configured to select on the basis of the communication quality measure a first radio resource management mode or a second radio resource management mode, wherein in the first radio resource management mode radio resources for the user equipment are allocated by the network entity and in the second radio resource management mode radio resources for the user equipment are allocated by a base station of the communication network in communication with the user equipment. ### Claim 9 (depends on 8) The network entity of claim 8, wherein the processor is configured to select on the basis of the communication quality measure the first radio resource management mode for the user equipment and on the basis of a further communication quality measure associated with the communication between the network entity and a further user equipment of the plurality of user equipment the second radio resource management mode for the further user equipment. ### Claim 10 (depends on 9) The network entity of claim 9, wherein the communication quality measure comprises a network latency measure associated with the network latency between the network entity and the user equipment and/or a communication reliability measure associated with the communication between the network entity and the user equipment. ### Claim 11 A method of operating a network entity for managing radio resources for a plurality of user equipment in a communication network, the method comprising: obtaining a communication quality measure associated with communication between the network entity and a user equipment of the plurality of user equipment; and selecting a radio resource management mode for the user equipment on the basis of the communication quality measure. ### Claim 12 A user equipment configured for device-to-device communications with a plurality of user equipment in a communication network using a plurality of radio resources, the user equipment comprising: a communication interface configured to receive information from a network entity of the communication network about radio resources of the communication network, which have been allocated to the user equipment by the network entity based on a radio resource management mode selected by the network entity on the basis of a communication quality measure associated with the communication between the network entity and the user equipment; and a processor configured to select a context information feedback mode on the basis of the selected radio resource management mode. ### Claim 13 (depends on 12) The user equipment of claim 12, wherein the processor is configured to send, in response to the information about the radio resource management mode selected by the network entity, a resource allocation request message to the network entity. ### Claim 14 (depends on 13) The user equipment of claim 13, wherein depending on the selected context information feedback mode, the resource allocation request message comprises one or more of the following: user equipment location, user equipment speed, user equipment moving direction, user equipment buffer status report, user equipment sidelink channel quality information, radio resource context information provided by a base station in communication with the user equipment. ### Claim 15 (depends on 14) The user equipment of claim 14, wherein the processor is configured to implement a protocol stack comprising an application layer and a radio layer, wherein the application layer is configured to forward the information from the network entity about the radio resources of the communication network, which have been allocated to the user equipment by the network entity, to the radio layer. ### Claim 16 (depends on 15) The user equipment of claim 15, wherein the radio layer is configured to forward information for the resource allocation request message to the application layer. ### Claim 17 A method of operating a user equipment configured for device-to-device communications with a plurality of user equipment in a communication network using a plurality of radio resources, the method comprising: receiving information from a network entity of the communication network about radio resources of the communication network, which have been allocated to the user equipment by the network entity based on a radio resource management mode selected by the network entity on the basis of a communication quality measure associated with the communication between the network entity and the user equipment; and selecting a context information feedback mode on the basis of the selected radio resource management mode. ### Claim 18 A non-transitory computer readable medium storing instructions for operating a network entity for managing radio resources for a plurality of user equipment in a communication network, the instructions, when executed by a computer, configure the computer to perform a method comprising: obtaining a communication quality measure associated with communication between the network entity and a user equipment of the plurality of user equipment; and selecting a radio resource management mode for the user equipment on the basis of the communication quality measure.