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An integrated cross-layer study of wireless CDMA sensor networks

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5 Author(s)
S. De ; Dept. of Electr. Eng., State Univ. of New York, Buffalo, NY, USA ; Chunming Qiao ; D. A. Pados ; M. Chatterjee
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In this paper, we characterize analytically the multiaccess interference in wireless code-division multiple-access sensor networks with uniformly random distributed nodes and study the tradeoff between interference and connectivity. To provide a guideline for improving system behavior, three competitive deterministic topologies are evaluated along with the random topology in terms of link-level and network-level (routing) performance. The impact of signature code length and receiver design on the network performance for different topologies is also studied.

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IEEE Journal on Selected Areas in Communications  (Volume:22 ,  Issue: 7 )