公开(公告)号：US11044630B2

公开(公告)日：2021-06-22

申请号：US16586042

申请日：2019-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wei ,  Zhong Zhang ,  Neng Yang

IPC: H04W28/02 ,  H04L1/00 ,  H04L1/18 ,  H04L12/841

Abstract: This application discloses a method and an apparatus for adjusting a data sending rate. In the method, when determining that a return time of feedback information of a first data packet has timed out, a terminal reduces a data sending rate of a connection to which the first data packet belongs from a first value to a second value. Then the terminal detects return times of feedback information of a plurality of subsequent data packets after the first data packet and determines a cause of the timeout of the feedback information of the first data packet. The terminal further increases a data sending rate from a current third value to a fourth value when determining that the timeout is caused by a packet loss on a wireless link in a communications link.

公开(公告)号：US10771595B2

公开(公告)日：2020-09-08

申请号：US16398078

申请日：2019-04-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhong Zhang ,  Yu Deng ,  Neng Yang

IPC: H04L29/06 ,  H04L12/807 ,  H04L12/823 ,  H04L1/18

Abstract: This application provides a packet sending method, an apparatus and a chip. The method is applied to a terminal, the terminal includes a baseband processor, an application processor, and a communications interface. The baseband processor reports information about a first packet to the application processor, where the first packet is a to-be-sent packet discarded by the baseband processor. The application processor transmits a second packet to the baseband processor according to the information about the first packet, where the second packet is the same as the first packet. The baseband processor sends the second packet to a network device by using the communications interface.

公开(公告)号：US10601554B2

公开(公告)日：2020-03-24

申请号：US15926174

申请日：2018-03-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhong Zhang ,  Neng Yang ,  Maoqing Huang ,  Wei Zhang

IPC: H04L1/18 ,  H04L1/08 ,  H04L29/06

Abstract: The present invention discloses a packet transmission method and user equipment. The method includes: transmitting, by a sending node, multiple packets to a receiving node; receiving multiple acknowledgement packets from the receiving node; after determining, based on the received multiple acknowledgement packets, that a first packet is lost, retransmitting the first packet; and if it is detected that the retransmitted packet is lost, continuously retransmitting, by the sending node, the first packet to the receiving node in a preset time interval for at least twice. According to the solutions of the present invention, the retransmitted packet can be detected and recovered in time after the retransmitted packet is lost, thereby reducing a quantity of times of timeout retransmission, improving a transmission rate, moreover, reducing a packet loss probability of a retransmitted packet, and further reducing a probability of timeout retransmission.

公开(公告)号：US10924421B2

公开(公告)日：2021-02-16

申请号：US16454947

申请日：2019-06-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhong Zhang ,  Yu Deng ,  Neng Yang ,  Jianguo Wei

IPC: H04L12/807 ,  H04L12/26 ,  H04L12/801 ,  H04W28/06

Abstract: A packet transmission method and related apparatus are disclosed. A transmit end retransmits a first packet to a receive end and decreases a congestion window and a slow start threshold upon determining that the first packet has been lost. The receive end sends an ACK in response to the retransmitted first packet to the transmit end on receipt of the retransmitted first packet for the first time, where the ACK contains a proactively constructed DSACK option for informing the transmit end that the first packet has been received repeatedly. The transmit end therefore compensates the congestion window and/or the slow start threshold.

公开(公告)号：US20180212721A1

公开(公告)日：2018-07-26

申请号：US15926174

申请日：2018-03-20

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Zhong Zhang ,  Neng Yang ,  Maoqing Huang ,  Wei Zhang

IPC: H04L1/18 ,  H04L29/06

CPC classification number: H04L1/1887 ,  H04L1/08 ,  H04L1/18 ,  H04L1/1809 ,  H04L1/1874 ,  H04L1/189 ,  H04L69/163

Abstract: The present invention discloses a packet transmission method and user equipment. The method includes: transmitting, by a sending node, multiple packets to a receiving node; receiving multiple acknowledgement packets from the receiving node; after determining, based on the received multiple acknowledgement packets, that a first packet is lost, retransmitting the first packet; and if it is detected that the retransmitted packet is lost, continuously retransmitting, by the sending node, the first packet to the receiving node in a preset time interval for at least twice. According to the solutions of the present invention, the retransmitted packet can be detected and recovered in time after the retransmitted packet is lost, thereby reducing a quantity of times of timeout retransmission, improving a transmission rate, moreover, reducing a packet loss probability of a retransmitted packet, and further reducing a probability of timeout retransmission.

公开(公告)号：US11153041B2

公开(公告)日：2021-10-19

申请号：US16802279

申请日：2020-02-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhong Zhang ,  Neng Yang ,  Maoqing Huang ,  Wei Zhang

IPC: H04L1/18 ,  H04L1/08 ,  H04L29/06

Abstract: The present invention discloses a packet transmission method and user equipment. The method includes: transmitting, by a sending node, multiple packets to a receiving node; receiving multiple acknowledgement packets from the receiving node; after determining, based on the received multiple acknowledgement packets, that a first packet is lost, retransmitting the first packet; and if it is detected that the retransmitted packet is lost, continuously retransmitting, by the sending node, the first packet to the receiving node in a preset time interval for at least twice. According to the solutions of the present invention, the retransmitted packet can be detected and recovered in time after the retransmitted packet is lost, thereby reducing a quantity of times of timeout retransmission, improving a transmission rate, moreover, reducing a packet loss probability of a retransmitted packet, and further reducing a probability of timeout retransmission.

公开(公告)号：US09735871B2

公开(公告)日：2017-08-15

申请号：US14957621

申请日：2015-12-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhong Zhang ,  Sheng Li ,  Yu Hu ,  Xiaoyu Ge ,  Yongyao Li ,  Xin Qiu

IPC: H04B10/50 ,  H04B10/2507 ,  H04B10/079 ,  H04B10/80 ,  G06F13/42

CPC classification number: H04B10/2507 ,  G06F13/4282 ,  H04B10/0799 ,  H04B10/50 ,  H04B10/801

Abstract: A method, an apparatus, and a communication node for suppressing output noises of peripheral component interconnect express (PCIe) devices in optical fiber communication is provided. The communication node includes a PCIe chip and a detection and control circuit connected to a transmitting end of the PCIe chip. The PCIe chip transmits an electrical signal by a transmitter of a first lane. The detection and control circuit detects a differential-mode voltage of the electrical signal. If the differential-mode voltage is lower than a first threshold, the detection and control circuit controls an optical module connected to the PCIe chip not to transmit an optical signal through the first lane of the optical module. When a PCIe system includes the communication node, output noises of the transmitter is suppressed, and a normal optical fiber communication link is ensured.