QoS-Aware Maximally Disjoint Routing in Power-Controlled Multihop CDMA Wireless Ad Hoc Networks

被引：0

作者：

Lijun Qian

Dhadesugoor R. Vaman

Ning Song

机构：

[1] Prairie View A&M University,CeBCom Research Center, Department of Electrical Engineering

来源：

EURASIP Journal on Wireless Communications and Networking | / 2007卷

关键词：

Node Mobility; Power Control; Network Lifetime; Node Failure; High Energy Efficiency;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A joint power control and maximally disjoint routing algorithm 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 the 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.

引用

共 46 条

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