Method for transmitting data stream via wireless medium across a wireless network and a wireless network

A wireless media and wireless network technology, applied in data exchange through path configuration, network traffic/resource management, network topology, etc. Effect

Inactive Publication Date: 2006-04-12
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the QoS requirements of transport streams are compromised when the timing of requests for transport permission is not coordinated and protected
[0004] Frequent requests for short media occupancy periods lead to high collisions and high overhead

Method used

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  • Method for transmitting data stream via wireless medium across a wireless network and a wireless network
  • Method for transmitting data stream via wireless medium across a wireless network and a wireless network
  • Method for transmitting data stream via wireless medium across a wireless network and a wireless network

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Embodiment Construction

[0079] For ease of explanation, in the following description, specific numbers, times, structures, protocol names and other parameters are proposed for a thorough understanding of the present invention. The following paragraphs give examples of implementing the present invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known components and modules have been shown in block diagrams in order to clarify the present invention.

[0080] For a thorough understanding of the present invention, some sequences of operations, message data structures and computational techniques are given below. Some of the data structures used here are only used in the example of implementing the present invention. Obviously, for those skilled in the art, in actual implementation, new information can be added, and some parts can be omitted according to the actual situation of their us...

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PUM

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Abstract

The present invention provides a method for transmitting data stream via wireless medium for contention based medium access across a wireless network having a plurality of stations and an access point communicating to the stations via wireless medium. The method includes: (i) transmitting data stream from the station according to prescheduled wireless medium occupancy reservation for the station within only prescheduled medium occupancy period of a selective contention period; (ii) performing a contention between the stations for wireless medium occupancy for a contention successful station to transmit data stream within only contention medium occupancy period of the selective contention period; (iii) transmitting data stream from the contention successful station after the contention; and (iv) prescheduling a wireless medium occupancy reservation for the contention successful station to transmit within a prescheduled medium occupancy period of next selective contention period.

Description

technical field [0001] The present invention relates to a network device equipped with Quality of Service (QoS) aware system processes to serve traffic flows in a coordinated manner. The invention also improves QoS awareness and throughput efficiency of service stream transmission by coordinating stream transmission, and reduces the times of contention conflicts based on media access mechanism. Background technique [0002] In the prior art, the timing of obtaining permission to send for streams that are not coordinated is not based on stream demand. If the queue is not empty, an attempt is made to request permission to send without any other considerations. In addition, according to the International Standard ISO / IEC 8802-11:1999: ANSI / IEEEStd 802.11, 1999 Edition - Part 11: Wireless LAN Media Access Control (MAC) and (PHY) Specification Draft Addendum (Draft 3.0) Priority and some random period as described in the International Standard ISO / IEC 8802-11:1999: ANSI / IEEE St...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04L12/413H04W28/26H04W74/02H04W84/12
CPCH04W28/26H04W74/02H04W84/12
Inventor 原田泰男安道和弘差林蓬·阿披乍林翁塞陈必耀林威立拉霍尔·马利克
Owner PANASONIC CORP
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