On Throughput and Delay Scaling With Cooperative Spectrum Sharing

In this paper, the authors propose a cooperative spectrum sharing protocol between two overlapping static ad hoc wireless networks where the primary and secondary networks consist of n and m randomly distributed nodes respectively. The secondary network achieves spectrum access along with the primary network by allowing its nodes to relay the primary traffic. Taking advantage of the broadcast nature of wireless channels, the secondary nodes are able to forward primary and secondary packets simultaneously by transmitting a superimposed signal.

Provided by: Nanyang Technological University Topic: Networking Date Added: Jun 2011 Format: PDF

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