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Joint power control and maximally disjoint routing for reliable data delivery in multihop CDMA wireless ad hoc networks

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5 Author(s)
Lijun Qian ; CeBCom Res. Center, Prairie View A&M Univ., TX ; Ning Song ; Vaman, D.R. ; Xiangfang Li
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In this paper, joint power control and maximally disjoint routing is proposed for multihop CDMA wireless ad hoc networks. A framework of power control with QoS constraints in CDMA wireless ad hoc networks is introduced and the feasibility condition of the power control problem is identified. Both centralized solution and distributed implementations are derived to calculate the transmission power given required throughput and the set of transmitting nodes. Then a joint power control and maximally disjoint routing scheme is proposed for routing data traffic with minimum rate constraint while maintaining high energy efficiency and prolonged network lifetime. Furthermore, in order to provide reliable end-to-end data delivery, the proposed joint power control and maximally disjoint routing scheme is augmented by a dynamic traffic switching mechanism to mitigate the effect of node mobility or node failure. Simulation results demonstrate the effectiveness of the proposed scheme

Published in:

Wireless Communications and Networking Conference, 2006. WCNC 2006. IEEE  (Volume:1 )

Date of Conference:

3-6 April 2006

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