# US 12,010,560 B2 · Resource reservation method and related device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,010,560 B2 - Document ID: US12010560B2 - Status: Granted - Kind: B2 - Application number: 17/423,007 - Filed: 2019-11-20 - Published: 2022-03-31 - Granted: 2024-06-11 - Earliest claimed: 2019-01-23 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Zhenguo Du; Hongcheng Zhuang - Web page: https://patentgrep.com/patent/US12010560B2 ## CPC - H04W 28/26: Resource reservation - H04W 74/0816: with collision avoidance - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/0466: {the resource being a scrambling code} - H04W 74/006: {in the downlink, i.e. towards the terminal} - H04W 84/12: WLAN [Wireless Local Area Networks] - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A resource reservation method includes that a network device generates a resource reservation request message (RRQ), where the RRQ includes one first RRQ (RRQ 1) and N second resource RRQs (RRQs 2), the RRQ 1 includes information indicating that a time for which the network device occupies a target channel is first duration, the N RRQs 2 are in a one-to-one correspondence with N user equipments (UEs) and request the N UEs to transmit data to the network device in the first duration, and N>1. ## Claims ### Claim 1 A method implemented by a network device, wherein the method comprises: performing a first scramble of a first resource reservation request (RRQ 1) using a first generic identifier known to a third-party device and N user equipments (UEs), wherein the RRQ 1 comprises first duration information indicating a first duration for which the network device occupies a target channel; performing a second scramble of N second RRQs (RRQs 2) using one or more first unique identifiers of the N UEs corresponding to the N RRQs 2, wherein the N RRQs 2 request the N UEs to transmit data to the network device during the first duration, wherein the N RRQs 2 are in a one-to-one correspondence with the N UEs, and wherein N is an integer greater than or equal to generating, after the first scramble and the second scramble, an RRQ comprising the RRQ 1 and the N RRQs 2; and sending the RRQ. ### Claim 2 (depends on 1) The method of claim 1, wherein the RRQ 1 further comprises a cell identity (ID). ### Claim 3 (depends on 1) The method of claim 1, further comprising: transmitting the RRQ 1 in a common search space (CSS), wherein the CSS is known to both the third-party device and the N UEs; and transmitting the N RRQs 2 in a UE specific search space (USS) corresponding to the N UEs. ### Claim 4 (depends on 1) The method of claim 1, wherein the first generic identifier is: a predefined radio network temporary identifier (RNTI); a first RNTI that is notified by the network device to the third-party device and the N UEs using Radio Resource Control (RRC) signaling or a system message; or a second RNTI based on calculation with first information, wherein the first information comprises one or more of a cell identity (ID), a system frame number, and a slot number of the RRQ 1. ### Claim 5 (depends on 1) The method of claim 1, wherein the RRQ 1 or each of the N RRQs 2 further comprises indication information indicating whether each of the N UEs corresponding to each of the N RRQs 2 needs to send a resource reservation response message (RRS) to the network device. ### Claim 6 (depends on 1) The method of claim 1, wherein after sending the RRQ, the method further comprises receiving, from M UEs in the N UEs, M resource reservation response messages (RRSs), wherein each of the M RRSs comprises a first resource reservation response message (RRS 1) and a second resource reservation response message (RRS 2), wherein the RRS 1 comprises second duration information indicating that a time for which the M UEs occupy the target channel is a second duration, wherein the RRS 2 confirms to the network device that a UE corresponding to the RRS 2 is to transmit data to the network device during the second duration, and wherein M is a positive integer less than or equal to N. ### Claim 7 (depends on 6) The method of claim 6, further comprising receiving M RRSs 2 comprised in the M RRSs on different time-frequency resources. ### Claim 8 (depends on 6) The method of claim 6, wherein each of M RRSs 1 in the M RRSs is scrambled using a second generic identifier known to the M UEs and the third-party device, and wherein M RRSs 2 in the M RRSs are scrambled using respective second unique identifiers corresponding to the M UEs. ### Claim 9 (depends on 8) The method of claim 8, wherein the second generic identifier is: a predefined radio network temporary identifier (RNTI); a first RNTI that is notified by the network device to the third-party device and the M UEs; or a second RNTI based on calculation with second information, wherein the second information comprises one or more of a cell identity (ID), a system frame number, a first slot number of the RRQ 1, and a second slot number of the RRS 1. ### Claim 10 (depends on 6) The method of claim 6, wherein: the RRQ 1 comprises indication information indicating time-frequency resources or transmission parameters to be used by the N UEs to transmit the RRSs 1; or first frequency domain resources used by the N UEs to transmit the RRSs 1 are same as a second frequency domain resource used by the network device to transmit the RRQ 1. ### Claim 11 (depends on 6) The method of claim 6, wherein: each of the N RRQs 2 comprises first indication information indicating a time-frequency resource or a transmission parameter used by a corresponding UE in the N UEs to transmit an RRS 2 corresponding to the corresponding UE; a first frequency domain resource used by each of the N UEs to transmit the RRS 2 corresponding to the corresponding UE is same as a second frequency domain resource used by the network device for transmitting an RRQ 2 in the N RRQs 2 corresponding to the corresponding UE; or the RRQ 1 comprises second indication information indicating transmission parameters to be used by the N UEs to transmit N RRSs 2. ### Claim 12 (depends on 6) The method of claim 6, wherein the second duration is less than the first duration, wherein the first duration is equal to a sum of the second duration and a first time interval, and wherein the first time interval is a time interval between a first moment when the N UEs receive the RRQ 1 and a second moment when the N UEs complete sending the RRSs 1. ### Claim 13 (depends on 6) The method of claim 6, further comprising: identifying that a time domain resource to send the RRQ is a slot n; and receiving, in response to the identifying and in a slot n+k, the RRSs from the M UEs, wherein n and n+k are slot numbers, and wherein k is: a predefined integer greater than or equal to zero; an integer that is greater than or equal to zero and that is indicated by the network device in the RRQ 1 or an RRQ 2 in the N RRQs 2; or an integer that is greater than or equal to zero and that is indicated by the network device using Radio Resource Control (RRC) signaling before the network device sends the RRQ. ### Claim 14 (depends on 1) The method of claim 1, wherein the N RRQs 2 comprise one or more special RRQs 2, wherein each UE of the N UEs corresponding to the one or more special RRQs 2 does not return a resource reservation response message (RRS) to the network device, and wherein each of the one or more special RRQs 2 comprises indication information indicating a transmission resource or a transmission parameter for data transmission between the UE corresponding to the one or more special RRQs 2 and the network device. ### Claim 15 A method implemented by a user equipment (UE), wherein the method comprises: receiving, from a network device, a resource reservation request message (RRQ) comprising a first RRQ (RRQ 1) and a second RRQ (RRQ 2), wherein the RRQ 1 comprises first duration information indicating a first duration for which the network device occupies a target channel, wherein the RRQ 1 is scrambled based on a first generic identifier known to the UE and a third-party device, wherein the RRQ 2 requests the UE to transmit data to the network device during the first duration, and wherein the RRQ 2 is scrambled based on a unique identifier corresponding to the UE. ### Claim 16 (depends on 15) The method of claim 15, wherein the RRQ 1 further comprises a cell identity (ID). ### Claim 17 (depends on 15) The method of claim 15, further comprising: receiving the RRQ 1 in a common search space (CSS), wherein the CSS is known to both of the third-party device and the UE; and receiving the RRQ 2 in a UE specific search space (USS) corresponding to the UE. ### Claim 18 (depends on 15) The method of claim 15, wherein after receiving the RRQ, the method further comprises: generating, based on the RRQ, a resource reservation response message (RRS) comprising an RRS 1 and an RRS 2, wherein the RRS 1 comprises second duration information indicating that a time for which the UE occupies the target channel is a second duration, and wherein the RRS 2 to confirms to the network device that the UE is to transmit the data to the network device during the second duration; and sending the RRS to the network device. ### Claim 19 (depends on 18) The method of claim 18, further comprising: scrambling the RRS 1 using a second generic identifier, wherein the second generic identifier is known to the UE and the third-party device; and scrambling the RRS 2 using a specific identifier corresponding to the UE. ### Claim 20 A user equipment (UE) comprising: a memory configured to store program instructions; and a processor coupled to the memory, wherein the program instructions cause the processor to be configured to: receive, from a network device, a resource reservation request message (RRQ) comprising a first RRQ (RRQ 1) and a second RRQ (RRQ 2), wherein the RRQ 1 comprises first duration information indicating a first duration for which the network device occupies a target channel, wherein the RRQ 1 is scrambled based on a first generic identifier known to the UE and a third-party device, wherein the RRQ 2 requests the UE to transmit data to the network device during the first duration, and wherein the RRQ 2 is scrambled based on a unique identifier corresponding to the UE.