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Wireless Personal Communications

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01-08-2013

Transmission Power Control Aware Routing in Cognitive Radio Ad Hoc Networks

Authors: Shelly Salim, Sangman Moh, Ilyong Chung

Published in: Wireless Personal Communications | Issue 4/2013

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Abstract

Abstract—Cognitive radio technology has drawn much attention since it is a promising candidate to efficiently utilize the scarce radio resources. However, cognitive radio introduces new challenges in the protocol stacks in wireless networks. This paper proposes a routing protocol for Cognitive Radio Ad Hoc Networks (CRAHNs), called Transmission Power Control aware AODV (TPC-AODV). TPC-AODV is based on Ad hoc On Demand Distance Vector (AODV) routing protocol. The main objectives of TPC-AODV are to avoid interruption of primary users’ communication and to support basic Quality of Service for secondary users. TPC-AODV takes inputs from both secondary users’ application requirements and the channel condition after spectrum sensing. These inputs enable secondary users’ communication with specific transmission power on the selected channel. Our simulation results show that TPC-AODV improves network performance in terms of throughput and delay compared to AODV in CRAHNs.

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Title: Transmission Power Control Aware Routing in Cognitive Radio Ad Hoc Networks
Authors: Shelly Salim
Sangman Moh
Ilyong Chung
Publication date: 01-08-2013
Publisher: Springer US
Published in: Wireless Personal Communications / Issue 4/2013
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI: https://doi.org/10.1007/s11277-012-0966-y

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