# US 2023/0422336 A1 · Method and device 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 2023/0422336 A1 - Document ID: US20230422336A1 - Status: Published application - Kind: A1 - Application number: 18/244,303 - Filed: 2023-09-11 - Published: 2023-12-28 - Earliest claimed: 2021-03-17 - Assignees: Shanghai Langbo Communication Technology Company Limited - Inventors: Yu CHEN; Xiaobo ZHANG - Web page: https://patentgrep.com/patent/US20230422336A1 ## CPC - H04W 76/20: Manipulation of established connections - H04L 5/00: Arrangements affording multiple use of the transmission path - H04W 16/24: Cell structures - H04W 76/15: Setup of multiple wireless link connections - H04W 76/25: Maintenance of established connections - H04W 80/02: Data link layer protocols - 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) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - 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 The present application discloses a method and a device for wireless communications, including: receiving a first signaling and a second signaling; the first signaling configuring at least one RLC entity of a first cell group, while the second signaling configuring at least one RLC entity of a second cell group; and transmitting a first message, the first message requesting a stop of transmission for a target cell group within a first time window set; the first time window set at least comprising one time window; herein, the target cell group is one of the first cell group or the second cell group, where each of the first cell group and the second cell group respectively comprises at least one cell; at least one of the at least one RLC entity of the first cell group. The present application helps reduce conflicts and can avoid uncertainty. ## Claims ### Claim 1 A first node for wireless communications, comprising: a first receiver, receiving a first signaling and a second signaling; the first signaling configuring at least one Radio Link Control (RLC) entity of a first cell group, while the second signaling configuring at least one RLC entity of a second cell group; and a first transmitter, transmitting a first message, the first message requesting a stop of transmission for a target cell group within a first time window set; the first time window set at least comprising one time window; wherein the target cell group is one of the first cell group or the second cell group, where each of the first cell group and the second cell group respectively comprises at least one cell; at least one of the at least one RLC entity of the first cell group or the at least one RLC entity of the second cell group is maintained in the first time window set. ### Claim 2 (depends on 1) The first node according to claim 1, characterized in comprising: the first receiver, receiving a second message on a third cell group within the first time window set; wherein frequency-domain resources occupied by the third cell group are used to determine the target cell group from the first cell group and the second cell group. ### Claim 3 (depends on 1) The first node according to claim 1, characterized in comprising: the first transmitter, transmitting a third message on a third cell group within the first time window set; wherein frequency-domain resources occupied by the third cell group are used to determine the target cell group from the first cell group and the second cell group. ### Claim 4 (depends on 2) The first node according to claim 2, characterized in that the first node is not capable of being in communication with the target cell group and the third cell group simultaneously. ### Claim 5 (depends on 3) The first node according to claim 3, characterized in that the first node is not capable of being in communication with the target cell group and the third cell group simultaneously. ### Claim 6 (depends on 1) The first node according to claim 1, characterized in comprising: the first receiver, receiving a fourth message; wherein the fourth message is used for acknowledging a request of the first message. ### Claim 7 (depends on 6) The first node according to claim 6, characterized in that a reception of the fourth message is used for deactivating the target cell group; the target cell group is in a deactivated state within the first time window set; after an end of the first time window set, the first node activates the target cell group. ### Claim 8 (depends on 7) The first node according to claim 7, characterized in that the first node maintains the first RLC entity and the second RLC entity within the first time window set. ### Claim 9 (depends on 1) The first node according to claim 1, characterized in that the first time window set only comprises one time window, or, the first time window set comprises multiple time windows that occur periodically in time domain. ### Claim 10 (depends on 4) The first node according to claim 4, characterized in that the first time window set only comprises one time window. ### Claim 11 (depends on 5) The first node according to claim 5, characterized in that the first time window set only comprises one time window. ### Claim 12 (depends on 9) The first node according to claim 9, characterized in comprising: the first receiver, receiving a fourth message; wherein the fourth message is used for acknowledging a request of the first message; the first time window set only comprises a first time window; the fourth message indicates a start of the first time window. ### Claim 13 (depends on 1) The first node according to claim 1, characterized in that the first message requests a stop of reception for at least one cell in the target cell group within the first time window set. ### Claim 14 (depends on 1) The first node according to claim 1, characterized in comprising: the first transmitter, as a response to determining a link failure of a reserved cell group, transmitting a fifth message on the target cell group within the first time window set; wherein the fifth message indicates the link failure of the reserved cell group, where the reserved cell group is a cell group other than the target cell group between the first cell group and the second cell group. ### Claim 15 (depends on 1) The first node according to claim 1, characterized in comprising: the first receiver, receiving a data unit of a first Packet Data Convergence Protocol (PDCP) entity via the at least one RLC entity of the target cell group before the action of transmitting the first message; and receiving a data unit of the first PDCP entity via the at least one RLC entity of a reserved cell group in the first time window set, where the reserved cell group is a cell group other than the target cell group between the first cell group and the second cell group; wherein the first message is used for triggering a reception of a data unit of the first PDCP entity via the at least one RLC entity of the reserved cell group in the first time window set. ### Claim 16 (depends on 15) The first node according to claim 15, characterized in comprising: the first transmitter, transmitting a data unit of the first PDCP entity via the at least one RLC entity of the target cell group after an end of the first time window set. ### Claim 17 (depends on 4) The first node according to claim 4, characterized in that the first node performs a second operation for a second timer of at least one cell in the target cell group within the first time window; the second operation includes stopping. ### Claim 18 (depends on 5) The first node according to claim 5, characterized in that the first node performs a second operation for a second timer of at least one cell in the target cell group within the first time window; the second operation includes stopping. ### Claim 19 A second node for wireless communications, comprising: a second transmitter, transmitting a first signaling and a second signaling; the first signaling configuring at least one Radio Link Control (RLC) entity of a first cell group, while the second signaling configuring at least one RLC entity of a second cell group; and a second receiver, receiving a first message, the first message requesting a stop of transmission for a target cell group within a first time window set; the first time window set at least comprising one time window; wherein the target cell group is one of the first cell group or the second cell group, where each of the first cell group and the second cell group respectively comprises at least one cell; at least one of the at least one RLC entity of the first cell group or the at least one RLC entity of the second cell group is maintained in the first time window set. ### Claim 20 A method in a first node for wireless communications, comprising: receiving a first signaling and a second signaling; the first signaling configuring at least one Radio Link Control (RLC) entity of a first cell group, while the second signaling configuring at least one RLC entity of a second cell group; and transmitting a first message, the first message requesting a stop of transmission for a target cell group within a first time window set; the first time window set at least comprising one time window; wherein the target cell group is one of the first cell group or the second cell group, where each of the first cell group and the second cell group respectively comprises at least one cell; at least one of the at least one RLC entity of the first cell group or the at least one RLC entity of the second cell group is maintained in the first time window set.