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Title: On throughput and delay scaling with cooperative spectrum sharing
Authors: Han, Y.
Ting, S.H.
Motani, M. 
Pandharipande, A.
Issue Date: 2011
Citation: Han, Y.,Ting, S.H.,Motani, M.,Pandharipande, A. (2011). On throughput and delay scaling with cooperative spectrum sharing. IEEE International Symposium on Information Theory - Proceedings : 821-825. ScholarBank@NUS Repository.
Abstract: In this paper, we propose a cooperative spectrum sharing protocol (CSSP) 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. We analyze the throughput and delay scaling performance of the proposed protocol and show that given m ≥ n, the primary network is able to achieve a per-node throughput scaling which is better than that of a stand-alone network with n nodes. At the same time, the secondary network achieves the same throughput scaling as a stand-alone network with m nodes. We also derive the throughput-delay tradeoff for both the primary and secondary systems in this scenario. © 2011 IEEE.
Source Title: IEEE International Symposium on Information Theory - Proceedings
ISBN: 9781457705953
ISSN: 21578104
DOI: 10.1109/ISIT.2011.6034250
Appears in Collections:Staff Publications

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