Multi-channel selection multi-address access method

An access method and channel selection technology, which are applied in the field of multi-channel selective multiple access, can solve problems such as exposed terminals, and achieve the effects of reducing collision interval, making full use of, and reducing packet transmission delay.
CN101102178AInactive Publication Date: 2008-01-09BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIHANG UNIV
Publication Date
2008-01-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

In the invention, when a service packet needs to be transmitted, the follow steps will be executed: according to the saved and maintained channel usage list, the sending node selects a collision-free service channel; the RTS / CTS packet transmitted on first public channel between the sending node and receiving node realizes the handshake; the sending node transmits the service packet on said selected service channel; after successfully receiving the service packet, the receiving node replays the ACK packet on the second public channel.
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Description

technical field

[0001] The invention relates to a multiple access method, in particular to a multi-channel selective multiple access method suitable for Ad Hoc networks. Background technique

[0002] Ad Hoc Network (Ad-Hoc Network) is a network form that does not need a fixed network as a support. Due to the advantages of fast and flexible networking, strong invulnerability, and low cost, the Ad Hoc network is especially suitable for military, emergency rescue, and electronic classrooms. This network has become an effective form of communication network in the field of wireless communication. Moreover, it has been widely used, such as 802.11 system and the integrated digital communication system of the U.S. Army, sea, land and air. A key design issue of Ad Hoc networks is multiple access. The multiple access (ie, Medium Access Control, MAC for short) method solves the problem of how multiple nodes or users share channel resources quickly, efficiently, fairly and reliably....

Claims

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