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Device and method for channel access control based on timeslot in wireless local area network system

A technology of wireless local area network and channel access, which is applied in the terminal field based on this operation, can solve the problem of not using all of them, and achieve the effect of improving effective use, reducing delay, and increasing transmission speed

Active Publication Date: 2022-04-15
ELECTRONICS & TELECOMM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In addition, although the size of the time slot can be predetermined before transmitting the beacon, it may happen that a time slot is not fully used and the STA transmits all the data

Method used

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  • Device and method for channel access control based on timeslot in wireless local area network system
  • Device and method for channel access control based on timeslot in wireless local area network system
  • Device and method for channel access control based on timeslot in wireless local area network system

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Embodiment Construction

[0079] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0080] figure 1 It shows an access point and a wireless LAN environment composed of a plurality of terminals applied to the embodiments of the present invention.

[0081] In order to reduce the power consumption of terminals (STA1, STA2, STA3, STA4, STA5, STA6, STA7, STA8, STA9) in WLAN, a power saving mode (PSM) method is used. AP110 periodically transmits beacons, and notifies terminals (STA1, STA2, STA3, STA4, STA5, STA6, STA7, STA8, STA9) whether there are buffered frames through the TIM (Traffic Indication Map) area of ​​the beacon ). Hereinafter, the above-mentioned terminals (STA1, STA2, STA3, STA4, STA5, STA6, STA7, STA8, STA9) will be described as representative of the terminal (STA).

[0082] The STAs in the sleep mode wake up periodically to receive the TIM of the beacon transmitted from the AP 110 . When the bit value of the relevant STA in the T...

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Abstract

The invention relates to a device and a method for controlling channel access based on time slots by an access point of a management network in a WLAN (Wireless Local Area Network) environment, and a terminal operated accordingly. According to an embodiment of the time slot-based channel access control device of a wireless local area network system, each terminal or one of a group of terminals is determined as the object of time slot allocation, and the time slot defined in the beacon interval Allocating to each of the determined terminals or the group is used to distinguish channel access time, and transmits a beacon including information on the allocated time slot.

Description

[0001] This application is a divisional application of the following invention patent application: [0002] Application number: 201380032735.6 [0003] Application date: June 19, 2013 [0004] Title of invention: Time-slot-based channel access control device and method for a wireless local area network system, time-slot-based channel access terminal for a wireless local area network system technical field [0005] The following description relates to a device and method for controlling channel access by an access point of a management network based on time slots in a WLAN (Wireless Local Area Network) environment, and a terminal operating accordingly. Background technique [0006] In a WLAN, when there are too many terminals (STAs) in the network, the probability of collision among STAs increases. When the STA that performs channel access performs channel access without listening to the beacon, or the STA of the overlapping basic service set OBSS (Overlapping Basic Service...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/12H04W72/04
CPCH04W74/04H04W84/12H04W72/23H04W72/0446Y02D30/70
Inventor 权亨晋李裁承丁敃虎柳希政李奭圭
Owner ELECTRONICS & TELECOMM RES INST
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