# US 2026/0089691 A1 · Method and apparatus for wireless communication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0089691 A1 - Document ID: US20260089691A1 - Status: Published application - Kind: A1 - Application number: 19/410,148 - Filed: 2025-12-05 - Published: 2026-03-26 - Earliest claimed: 2024-06-27 - Assignees: Quectel Wireless Solutions Co., Ltd. - Applicants: Quectel Wireless Solutions Co., Ltd. - Inventors: Ling LYU; Zheng ZHAO - Web page: https://patentgrep.com/patent/US20260089691A1 ## CPC - H04W 72/04: Wireless resource allocation - H04W 72/231: the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling - H04W 28/26: Resource reservation - H04W 72/115: Grant-free or autonomous transmission - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Provided are a method and apparatus for wireless communication. One example method includes: receiving, by a first terminal device in a non-terrestrial network (NTN), first information; determining, by the first terminal device, a first resource based on the first information, wherein the first resource is one of a plurality of common preconfigured uplink resources (PURs), and the plurality of common PURs are configured for data transmission in the NTN; and sending, by the first terminal device, first early data transmission (EDT) on the first resource ## Claims ### Claim 1 A method for wireless communication, comprising: receiving, by a first terminal device in a non-terrestrial network (NTN), first information; determining, by the first terminal device, a first resource based on the first information, wherein the first resource is one of a plurality of common preconfigured uplink resources (PURs), and the plurality of common PURs are configured for data transmission in the NTN; and sending, by the first terminal device, first early data transmission (EDT) on the first resource. ### Claim 2 (depends on 1) The method according to claim 1, wherein the first information is carried in a system information block (SIB) or a radio resource control (RRC) dedicated signaling. ### Claim 3 (depends on 1) The method according to claim 1, wherein the first information indicates one or more of the following: a first EDT radio network temporary identifier (EDT-RNTI) corresponding to the first terminal device; a resource for a demodulation reference signal (DMRS) corresponding to the first terminal device; an allocation scheme of the plurality of common PURs; or a resource index in the plurality of common PURs. ### Claim 4 (depends on 3) The method according to claim 3, wherein the first EDT includes at least one of the first EDT-RNTI or the DMRS. ### Claim 5 (depends on 1) The method according to claim 1, further comprising: sending, by the first terminal device, a configuration request to a network device; wherein the configuration request comprises a request to the network device to send the first information. ### Claim 6 (depends on 5) The method according to claim 5, wherein the configuration request includes one or more of the following information: capability information of the first terminal device; a service type of the first terminal device; or whether the first terminal device enables EDT-related configuration. ### Claim 7 (depends on 5) The method according to claim 5, wherein the configuration request further includes a first indication configured to indicate that EDT-related transmission enables acknowledgment (ACK)/negative acknowledgment (NACK) feedback. ### Claim 8 (depends on 1) The method according to claim 1, wherein an NTN cell where the first terminal device is located includes a plurality of terminal devices requesting EDT, the plurality of common PURs are allocated to the plurality of terminal devices, and the first information indicates a plurality of resources respectively corresponding to the plurality of terminal devices. ### Claim 9 (depends on 1) The method according to claim 1, wherein: in response to the first resource being greater than or equal to a resource requested by the first terminal device, the first EDT is successful; or in response to the first resource being less than a resource requested by the first terminal device, the first EDT is unsuccessful. ### Claim 10 (depends on 1) The method according to claim 1, further comprising: starting, by the first terminal device, a second timer in response to the first EDT being unsuccessful; and performing, by the first terminal device, retransmission of the first EDT or a random access procedure upon expiry of the second timer. ### Claim 11 (depends on 1) The method according to claim 1, wherein the plurality of common PURs are divided into a plurality of resource pools, the first information indicates a first resource pool where the first resource is located, and the method further comprises: determining, by the first terminal device, the first resource in the first resource pool in a contention-based manner. ### Claim 12 (depends on 11) The method according to claim 11, wherein the first terminal device is one of a plurality of terminal devices, and the plurality of resource pools are determined according to one or more of the following information: signal quality of configuration requests sent by the plurality of terminal devices; coverage enhancement levels at locations of the plurality of terminal devices; service times of the plurality of terminal devices; or service types of the plurality of terminal devices. ### Claim 13 (depends on 11) The method according to claim 11, wherein further comprising: determining, by the first terminal device, the first resource in the plurality of resource pools in response to a signal quality of a configuration request sent by the first terminal device being greater than a first threshold. ### Claim 14 (depends on 11) The method according to claim 11, wherein the first terminal device corresponds to a first NTN cell, the plurality of resource pools include a first resource pool and a second resource pool, a time-domain position of the first resource pool is earlier than a time-domain position of the second resource pool, and the method further includes: determining, by the first terminal device, the first resource in the first resource pool in response to a service time of the first terminal device being outside a service time of the first NTN cell; or determining, by the first terminal device, the first resource in the second resource pool in response to the service time of the first terminal device being within a service time of the first NTN cell. ### Claim 15 (depends on 11) The method according to claim 11, wherein an NTN cell where the first terminal device is located supports L service types, the plurality of resource pools are L resource pools, and a size of each of the L resource pools is determined according to service priority. ### Claim 16 A method for wireless communication, comprising: sending, by a network device in a non-terrestrial network (NTN), first information comprising information for determining a first resource; and receiving, by the network device from a first terminal device, first early data transmission (EDT) on the first resource, wherein the first resource is one of a plurality of common preconfigured uplink resources (PURs), and the plurality of common PURs are configured for data transmission in the NTN. ### Claim 17 An apparatus, comprising: at least one processor; and one or more non-transitory computer-readable storage media coupled to the at least one processor and storing programming instructions for execution by the at least one processor, wherein the programming instructions, when executed, cause the apparatus to perform operations comprising: receiving first information; determining a first resource based on the first information, wherein the first resource is one of a plurality of common preconfigured uplink resources (PURs), and the plurality of common PURs are configured for data transmission in a non-terrestrial network (NTN); and sending first early data transmission (EDT) on the first resource. ### Claim 18 (depends on 17) The apparatus according to claim 17, wherein the first information is carried in a system information block (SIB) or a radio resource control (RRC) dedicated signaling. ### Claim 19 (depends on 17) The apparatus according to claim 17, wherein the first information indicates one or more of the following: a first EDT radio network temporary identifier (EDT-RNTI) corresponding to the apparatus; a resource for a demodulation reference signal (DMRS) corresponding to the apparatus; an allocation scheme of the plurality of common PURs; or a resource index in the plurality of common PURs. ### Claim 20 (depends on 19) The apparatus according to claim 19, wherein the first EDT includes at least one of the first EDT-RNTI or the DMRS.