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Cooperation multiple access method and system for guaranteeing service quality and fairness

An access method and access system technology, which are applied in the field of distributed cooperative multiple access methods and systems

Active Publication Date: 2013-09-04
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] The present invention aims to solve the problems described above

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  • Cooperation multiple access method and system for guaranteeing service quality and fairness
  • Cooperation multiple access method and system for guaranteeing service quality and fairness
  • Cooperation multiple access method and system for guaranteeing service quality and fairness

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Embodiment Construction

[0058] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0059] It should be noted that the specific groups mentioned in the present invention are all exemplary, and in fact the present invention should not be limited by such groups, but focus on the technical idea of ​​the present invention.

[0060] figure 1 It exemplarily shows a schematic diagram of sending queues of all priorities of a sending nod...

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Abstract

The invention provides a cooperation multiple access method and system for guaranteeing service quality and fairness. The multiple access method comprises the steps of respectively giving corresponding weight to and executing weighting operations on a transmitting queue service priority, transmitting queue head service continuous competition channel failure times and transmitting queue to-be-transmitted service quantity of each candidate sending party node, obtaining a combined priority of each transmitting queue of each candidate sending party node, obtaining a combined priority of each candidate sending party node from the combined priorities of the transmitting queues, converting the combined priorities of the candidate sending party nodes into binary codes, using the candidate sending party nodes to send busy tones or conduct monitoring on corresponding micro time slots of a plurality of micro time slots according to the binary codes, and therefore selecting one or more candidate sending party nodes with the highest priority. The number of the micro time slots is determined by the stage number of the combined priorities.

Description

technical field [0001] The present invention relates to wireless communication technology, and in particular to a distributed coordinated multiple access method and system for providing Quality of Service (Quality of Service, QoS) guarantee and fairness. Background technique [0002] With the rapid development of wireless communication, the two technical bottlenecks of fading and interference restrict wireless communication more significantly. Cooperative communication provides a solution to these two problems. Cooperative communication is relative to direct transmission. When the quality of the direct link is poor and the average link quality of sender-relay and relay-receiver is good, cooperative communication can take advantage of the inherent broadcast characteristics of wireless communication. , one or some nodes within the communication range can act as a relay node to help the sender forward the signal to the receiver, thereby effectively reducing the impact of fadin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/06H04W74/00
Inventor 刘凯李政刘锋张涛
Owner BEIHANG UNIV
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