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ETCH: Efficient Channel Hopping for communication rendezvous in dynamic spectrum access networks

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4 Author(s)
Yifan Zhang ; Coll. of William & Mary, Williamsburg, VA, USA ; Qun Li ; Gexin Yu ; Baosheng Wang

In a dynamic spectrum access (DSA) network, communication rendezvous is the first step for two secondary users to be able to communicate with each other. In this step, the pair of secondary users meet on the same channel, over which they negotiate on the communication parameters, to establish the communication link. This paper presents ETCH, Efficient Channel Hopping based MAC-layer protocols for communication rendezvous in DSA networks. We propose two protocols, SYNC-ETCH and ASYNC-ETCH. Both protocols achieve better time-to-rendezvous and throughput compared to previous work.

Published in:

INFOCOM, 2011 Proceedings IEEE

Date of Conference:

10-15 April 2011