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Apparatus and method for txop duration field in phy header

A technology of duration and time, applied in spectrum gap assessment, digital transmission system, multiple use of transmission path, etc., can solve problems such as low efficiency

Active Publication Date: 2021-07-02
ATLAS GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adoption of existing NAV technology in HEW may result in undesired inefficiencies

Method used

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  • Apparatus and method for txop duration field in phy header
  • Apparatus and method for txop duration field in phy header
  • Apparatus and method for txop duration field in phy header

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Embodiment Construction

[0031]Embodiments disclosed herein provide methods and apparatus for maintaining and using a Network Allocation Vector (NAV) in a High Efficiency (HE) Wireless Local Area Network (WLAN) that improves efficiency in the HE WLAN. An embodiment is a method implemented by a station (STA) in a WLAN. The method includes: receiving a first physical layer protocol data unit (PPDU); determining whether the duration indicated in the control field of the preamble portion of the first PPDU is greater than the current NAV value; determining whether the first PPDU is received as a response to the STA's previous transmission and in response to determining that the duration indicated in the control field of the preamble portion of the first PPDU is greater than the current NAV value and the first PPDU was not received as an immediate response to a second PPDU previously transmitted by the STA , to update the NAV maintained by the STA with the duration indicated in the control field of the prea...

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PUM

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Abstract

A method implemented by a station (STA) in a wireless local area network (WLAN) to update a network allocation vector (NAV) maintained by the STA. The method includes: receiving a first physical layer protocol data unit (PPDU); determining whether the duration indicated in the control field of the preamble portion of the first PPDU is greater than the current NAV value; determining whether the first PPDU is received as a response to the STA's previous transmission and updating the NAV maintained by the STA with the duration in response to determining that the duration is greater than the current NAV value and the first PPDU was not received as an immediate response to a second PPDU previously transmitted by the STA.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Application No. 62 / 233,881, filed September 28, 2015, U.S. Provisional Application No. 62 / 240,454, filed October 12, 2015, and U.S. Application No. 62 / 240,454, filed September 28, 2016 Benefit of No. 15 / 278,597, these applications are hereby incorporated by reference. technical field [0003] Embodiments described herein relate to the field of wireless local area network (WLAN) operations. More specifically, embodiments described herein relate to the maintenance and use of Network Allocation Vectors (NAVs) in High Efficiency (HE) Wireless Local Area Networks (WLANs). Other embodiments are also disclosed. Background technique [0004] The Institute of Electrical and Electronics Engineers (IEEE) 802.11 is a set of physical and medium access control (MAC) specifications for enabling wireless local area network (WLAN) communications. These specifications provide the basis for wir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04W16/14H04W84/12
CPCH04W74/08H04W16/14H04W84/12H04L27/2613H04L5/0023H04L5/0091H04L69/22H04W74/0816H04W72/23H04B7/0663H04W48/20H04L27/0006
Inventor 鲁俞真石镕豪
Owner ATLAS GLOBAL TECH LLC