公开(公告)号：US20230276460A1

公开(公告)日：2023-08-31

申请号：US18144259

申请日：2023-05-08

Applicant: Zheng LIU ,  Xiaobo ZHANG

Inventor： Zheng LIU ,  Xiaobo ZHANG

IPC: H04W72/232 ,  H04W72/0453 ,  H04W72/0446

CPC classification number: H04W72/232 ,  H04W72/0453 ,  H04W72/0446

Abstract: The present application discloses a method and a device in a node for wireless communications. A node receives a first information block, the first information block being used to determine X1 PDCCH occasions; the node receives a first signaling and a first signal, the first signaling being used to determine a frequency-domain resource set occupied by the first signal in frequency domain; the node transmits a second signal, the second signal carrying a first bit block; the first signaling is used to determine a first time interval length, the first time interval length being used to determine a length of a time interval in time domain between a first PDCCH occasion and the first signal; a position of the first signal in time domain is used to determine a position of the second signal in time domain. The present application ensures the HARQ transmission.

公开(公告)号：US11711185B2

公开(公告)日：2023-07-25

申请号：US17678042

申请日：2022-02-23

Applicant: Zheng Liu ,  Xiaobo Zhang

Inventor： Zheng Liu ,  Xiaobo Zhang

IPC: H04L5/00 ,  H04B1/00 ,  H04L1/00 ,  H04L1/1812 ,  H04W24/10 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/044 ,  H04W92/10

CPC classification number: H04L5/0046 ,  H04B1/0003 ,  H04L1/0026 ,  H04L1/1819 ,  H04W24/10 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/0466 ,  H04W92/10

Abstract: The disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information and then receives a first radio signal; only X1 bit(s) in a first bit block is(are) used for generating the first radio signal, the first bit block is obtained as an output of channel coding of a first code block, the first code block includes a positive integer number of bit(s), and the first bit block includes a positive integer number of bit(s); when channel decoding fails, at least X2 bit(s) in the first bit block can be used for decoding of the first code block with combining, the first information is used for determining the X2 bit(s), and the X2 is a positive integer. The disclosure reduces requirements on a buffer and reduces complexity.

公开(公告)号：US11696264B2

公开(公告)日：2023-07-04

申请号：US17971648

申请日：2022-10-24

Applicant: Zheng Liu ,  Xiaobo Zhang

Inventor： Zheng Liu ,  Xiaobo Zhang

IPC: H04W72/044 ,  H04L27/26 ,  H04W72/12

CPC classification number: H04W72/044 ,  H04L27/2601 ,  H04W72/12

Abstract: A method and a device in a communication node used for wireless communications is disclosed in the present disclosure. The communication node first receives first information and second information; and transmits a first radio signal in a first time window; and then transmits a second radio signal; the first information is used to determine a target time window, the second radio signal occupies a second time window in time domain, and the second information is used to determine at least one of whether the second time window belongs to the target time window or a relative position relationship between the second time window and the target time window; an end of the first time window is earlier than a start of the target time window. The present disclosure helps improve the utilization ratio of resources in Grant-Free transmission.

公开(公告)号：US11696166B2

公开(公告)日：2023-07-04

申请号：US17837064

申请日：2022-06-10

Applicant: Zheng Liu ,  Xiaobo Zhang ,  Lin Yang

Inventor： Zheng Liu ,  Xiaobo Zhang ,  Lin Yang

IPC: H04W24/10 ,  H04L1/00 ,  H04L5/00 ,  H04W72/0446 ,  H04W72/0453

CPC classification number: H04W24/10 ,  H04L1/0003 ,  H04L5/0094 ,  H04W72/0446 ,  H04W72/0453

Abstract: The present disclosure discloses a method and a device in a communication used for wireless communication. The communication node first performs X measurement(s) respectively in X time-frequency unit(s), the X measurement(s) respectively being used for acquiring X first-type measurement value(s), the X being a positive integer; and then performs a first measurement, the first measurement being used for acquiring a second-type measurement value; and finally transmits a first radio signal; herein, the X first-type measurement value(s) is(are) used for the first measurement, the second-type measurement value acquired by performing the first measurement is used for determining at least one of an MCS employed by the first radio signal or time-frequency resources occupied by the first radio signal; a number of time-frequency resources occupied by one of the X time-frequency unit(s) is related to a subcarrier spacing of subcarriers occupied by the first radio signal.

公开(公告)号：US20220279519A1

公开(公告)日：2022-09-01

申请号：US17749119

申请日：2022-05-19

Applicant: Zheng LIU ,  Xiaobo ZHANG

Inventor： Zheng LIU ,  Xiaobo ZHANG

IPC: H04W72/04 ,  H04L1/00 ,  H04L5/00 ,  H04W24/08 ,  H04W74/08

Abstract: The present disclosure provides a method and a device in a communication node used for wireless communications. A communication node first receives first information and second information; and then transmits a first radio signal; and monitors a first signaling in a first time window; the first information is used to determine a time length of the first time window, an interval between an end for a transmission of the first radio signal and a start of the first time window is a first time interval, and the second information is used to determine a time length of the first time interval; a bit output by a first bit block through channel coding is used to generate the first radio signal, the first bit block carries a first identity, and a second identity is used for monitoring the first signaling. The present disclosure helps improve the performance of random access.

公开(公告)号：US20220231802A1

公开(公告)日：2022-07-21

申请号：US17715020

申请日：2022-04-06

Applicant: Zheng LIU ,  Xiaobo ZHANG

Inventor： Zheng LIU ,  Xiaobo ZHANG

IPC: H04L5/00 ,  H04W72/12 ,  H04L27/26 ,  H04W56/00

Abstract: The present disclosure provides a method and device in a node for wireless communications. A node receives first information, the first information is used to determine a target time-frequency resource set, an earliest multicarrier symbol comprised in the target time-frequency resource set in time domain is a first multicarrier symbol, frequency-domain resources comprised in the target time-frequency resource set belong to a first frequency-domain resource pool; transmits a first signal, frequency-domain resources occupied by the first signal belong to a second frequency-domain resource pool, a frequency-domain relation between the first frequency-domain resource pool and the second frequency-domain resource pool is used to determine a reference delay; receives a second signal, a length of a time interval between a start time of a second multicarrier symbol and an end time for receiving the second signal is equal to the reference delay. The application ensures the correct reception of the feedback.

公开(公告)号：US11388748B2

公开(公告)日：2022-07-12

申请号：US16897244

申请日：2020-06-09

Applicant: Zheng Liu ,  Xiaobo Zhang

Inventor： Zheng Liu ,  Xiaobo Zhang

IPC: H04W74/08 ,  H04W56/00 ,  H04W74/00 ,  H04W72/04 ,  H04W72/12 ,  H04W72/14

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information; then receives a first signaling in X time windows; and transmits a first radio signal; wherein the first information is used to determine the X time windows, time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information. The method in the present disclosure ensures uplink synchronous transmissions and improves link-level and system-level performance.

公开(公告)号：US11381440B2

公开(公告)日：2022-07-05

申请号：US15931620

申请日：2020-05-14

Applicant: Zheng Liu ,  Xiaobo Zhang

Inventor： Zheng Liu ,  Xiaobo Zhang

IPC: H04L27/26 ,  H04W16/14 ,  H04L1/18 ,  H04W72/12

Abstract: The present disclosure provides a method and a device in a base station used for Unlicensed Spectrum. The base station first transmits K1 radio signals in a reference time window and then receives K1 HARQ feedbacks, and performs Q1 energy detections respectively in Q1 time sub-pools on a first frequency sub-band; the K1 HARQ feedbacks are respectively used for determining whether the K1 radio signals are correctly received; a first radio signal is a radio signal of the K1 radio signals, the first radio signal carries part of bits comprised by a first bit block; a first HARQ feedback is used for determining whether the first radio signal is correctly received, HARQ feedback(s) other than the first HARQ feedback among the K1 HARQ feedbacks is(are) used for determining the Q1 time sub-pools. The present disclosure increases the chance of access to Unlicensed Spectrum and the utilization ratio of spectrum resources.

公开(公告)号：US11357000B2

公开(公告)日：2022-06-07

申请号：US16937613

申请日：2020-07-24

Applicant: Zheng Liu ,  Xiaobo Zhang

Inventor： Zheng Liu ,  Xiaobo Zhang

IPC: H04W72/04 ,  H04W52/24

Abstract: The disclosure provides a method and device in communication node for wireless communications. The communication node receives first information and second information, transmits a first signaling, and transmits a first signal; the first information is used for determining first power, the second information is used for determining a reference pathloss; wherein the first signaling is used for indicating a target distance and time-frequency resources occupied by the first signal; the reference pathloss corresponds to a reference distance, the reference distance being greater than 0; a ratio between the target distance and the reference distance as well as the reference pathloss are used together for determining a target pathloss; the target pathloss is used for determining second power, and a smaller value between the first power and the second power is used for determining transmitting power of the first signal. The present disclosure can effectively support power control for Groupcast.

公开(公告)号：US11206662B2

公开(公告)日：2021-12-21

申请号：US16713007

申请日：2019-12-13

Applicant: Zheng Liu ,  XiaoBo Zhang ,  Lin Yang

Inventor： Zheng Liu ,  XiaoBo Zhang ,  Lin Yang

IPC: H04W72/04 ,  H04W4/40 ,  H04L5/00 ,  H04W72/02 ,  H04W92/18

Abstract: The disclosure provides a method and a device in a communication node for wireless communication. The communication node performs signaling monitoring in a first time window, X1 signaling(s) being detected in the signaling monitoring process, determines Y1 candidate resource set(s) from a first candidate resource pool, transmits a first signaling, and receives first feedback information in a target resource set, the target resource set being one of the Y1 candidate resource set(s); the X1 signaling(s) is(are) used for determining Y2 candidate resource set(s), any one of the Y2 candidate resource set(s) belongs to the first candidate resource pool, any one of the Y1 candidate resource set(s) is one candidate resource set in the first candidate resource pool other than the Y2 candidate resource set(s); and the first signaling is used for indicating the target resource set. The disclosure avoids or reduces feedback collision.