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Backoff method, device, equipment, system and storage medium during transmission

A transmission process and equipment technology, applied in the field of communication, to achieve the effect of avoiding over-protection problems

Active Publication Date: 2022-06-03
BEIJING XIAOMI MOBILE SOFTWARE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a backoff method, device, device, system, and storage medium in the transmission process, which can solve the overprotection of other equipment still performing backoff according to the backoff time period in the RTS NAV after the CTS transmission fails in the related art The problem

Method used

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  • Backoff method, device, equipment, system and storage medium during transmission
  • Backoff method, device, equipment, system and storage medium during transmission
  • Backoff method, device, equipment, system and storage medium during transmission

Examples

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Embodiment Construction

[0090] LBT: is a carrier sense technique for unlicensed spectrum use. The sending device communicates with the receiving device

[0091] NAV: is the network allocation vector. NAV indicates a duration. In this application, NAV indicates a backoff period. other

[0092] RTS: is a request to send frame. When data transmission is performed between the sending device and the receiving device, the sending device first

[0093] CTS: is a channel clear frame. After the receiving device receives the RTS, it generates the CTS according to the data transmission time, and sends it to the

[0094] C-CTS: is the channel clear confirmation frame. C‑CTS is the confirmation sent to the receiving device after the sending device has received the CTS

[0095] NR-U: is unlicensed access based on the new air interface. NR‑U is based on Orthogonal Frequency Division Multiplexing

[0099] Transmission Opportunity (TXOP): a complete data transmission opportunity.

[0100] For fair coexistence betw...

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Abstract

The application discloses a backoff method, device, equipment, system and storage medium during transmission, and relates to the technical field of communication. The method includes: the sending device performs LBT on an unlicensed frequency band; the sending device sends an RTS to the receiving device when the LBT is successful, and the RTS includes the first backoff period; the sending device sends a CTS to the receiving device after receiving the CTS sent by the receiving device. ‑CTS, C‑CTS includes a second backoff period. This technical solution solves the problem by enabling other devices listening around to back off in time intervals according to the first back-off time period and the second back-off time period. When the CTS transmission fails, it only needs to back off according to the first back-off time period. After the CTS transmission of the receiving device in the technology fails, other devices around the sending device will still avoid the over-protection problem caused by long-term avoidance according to the NAV of the RTS that is monitored.

Description

Back-off method, device, device, system and storage medium during transmission technical field Embodiments of the present application relate to the field of communication technologies, and in particular, to a backoff method, device, and device in a transmission process. equipment, systems and storage media. Background technique Mobile devices and mobile Internet have penetrated into the daily life of users, and the rapid development of mobile Internet has brought With the explosive growth of data, users have put forward higher requirements for traffic density, network capacity, transmission rate, delay, etc. The fifth generation of mobile communication (Fifth-Generation, 5G) came into being. 5G network has been upgraded for new scenarios and new frequency bands design of the air interface. In addition, due to the continuous increase in user demand, the problem of shortage of spectrum resources is becoming more and more serious. The frequency band can no longer me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08
CPCH04W74/0808H04W74/0816H04L1/1896H04W74/002
Inventor 朱亚军洪伟沙桐李勇
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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