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Competitive window size adjustment method and network device

An adjustment method and competition window technology, applied in digital transmission systems, error prevention, electrical components, etc., can solve problems such as the inability to adjust CWS fairly, and achieve the effect of improving utilization efficiency

Active Publication Date: 2021-07-16
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a CWS adjustment method and network equipment in unlicensed spectrum transmission, which are used to solve the problem that the network equipment cannot adjust the CWS fairly when receiving HARQ responses based on different transmission block units

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  • Competitive window size adjustment method and network device
  • Competitive window size adjustment method and network device
  • Competitive window size adjustment method and network device

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Embodiment Construction

[0018] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0019] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division Multiple Access (Wideband Code Division ...

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Abstract

The embodiment of the invention discloses a CWS adjustment method and network equipment in unlicensed spectrum transmission, which are used to solve the problem that the network equipment cannot adjust the CWS fairly when receiving HARQ responses based on different transmission block units. The method includes: receiving multiple HARQ responses, the multiple HARQ responses are sent by the terminal device based on different transport block units; converting the number of the multiple HARQ responses based on the specified transport block unit; based on NACK Ratio-regulated CWS.

Description

technical field [0001] The present application relates to the field of communications, and in particular, to a contention window size (Contention Window Size, CWS) adjustment method and a network device. Background technique [0002] After receiving the Physical Downlink Shared Channel (PDSCH), the terminal device usually needs to feed back a Hybrid Automatic Repeat reQuest (HARQ) response. The HARQ response includes an ACKnowledgement (ACK) and a negative response. (Negative-ACKnowledgment, NACK), etc. In this way, the network device can know the reception status of the terminal device according to the received HARQ response; at the same time, the network device can also adjust the CWS according to the ratio of NACK in the HARQ response. [0003] A New Radio or New Radio (New Radio, NR) system supports both a Transport Block (Transport Block, TB)-based HARQ response and a Coding Block Group (Coding Block Group, CBG)-based HARQ response. If some terminal devices are config...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04L1/18
CPCH04L1/1812H04W74/0808H04L1/18H04W74/08
Inventor 鲁智姜蕾
Owner VIVO MOBILE COMM CO LTD