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Method for providing contention free quality of service to time constrained data

A data and time interval technology, applied in the direction of data exchange network, data exchange through path configuration, wireless communication, etc.

Inactive Publication Date: 2008-11-26
MICROSOFT TECH LICENSING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still the possibility that one station's high-priority data will have to compete with another station's low-priority data (due to random time intervals)

Method used

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  • Method for providing contention free quality of service to time constrained data
  • Method for providing contention free quality of service to time constrained data
  • Method for providing contention free quality of service to time constrained data

Examples

Experimental program
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Embodiment Construction

[0024] The principle of the present invention provides non-competitive service quality for high-priority data, such as time-limited data. Many sites communicate with access points through public wireless links. The access point allocates time slots to stations that indicate that it is possible to send high-priority data to the access point. Time slots are calculated so that each time slot occurs before any station with low priority data detects the availability of public wireless access (for example, before the start of the contention window). When the application of a station indicates that high-priority data is sent to the access point, the station detects the public wireless link in the allocated time slot to determine whether the public wireless link is in use. If the public radio link is not used in the allocated time slot, the station sends high priority data. On the other hand, if the public radio link is being used in the allocated time slot (for example, when another stat...

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PUM

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Abstract

The principles of the present invention provide for providing contention free quality of service to wireless stations. A station indicates to an access point that higher priority data (e.g., time constrained data) is to be sent to the access point. The access point receives the indication and selects a slot time for the station based on the number of other stations that have also indicated higher priority data. A slot time is selected such that the station can check for access to a common wireless link before any stations with lower priority data (e.g., data without time constraints). The access point sends the selected slot time to the station and the station receives the slot time. When the station receives an indication that an application has higher priority data to send, the station checks the common wireless link for availability at the selected slot time.

Description

Technical field [0001] The present invention is related to wireless networks, and more specifically to providing wireless stations with a non-competitive quality of service. Background technique [0002] Computer systems and related technologies have affected many aspects of social life. In fact, the ability of computer systems to process information has changed the way we live and work. The current computer system is better than the previous manually operated computer system, and can usually perform a large number of tasks (for example, word processing, scheduling, database management). Now, computer systems can be connected to each other to form a wired computer network or a wireless computer network, on which computer systems can communicate and share data electronically. As a result, the computer system can perform various tasks (eg, voice communication, e-mail reading, electronic meeting, web browsing) including electronic communication through a wired / wireless computer netw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28H04L12/56H04L29/06H04M11/00
CPCH04W74/04H04L29/06523H04W72/0406H04W28/24H04L65/608H04L29/06517H04W72/10H04L65/80H04L29/06027H04L65/65H04W72/20H04W72/56H04L12/28H04L65/1101
Inventor F·杜奥恩A·埃比塞克A·埃亚格里
Owner MICROSOFT TECH LICENSING LLC