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CLSR: Cognitive Link State Routing for CR-based Tactical Ad Hoc Networks

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CLSR: Cognitive Link State Routing for CR-based Tactical Ad Hoc Networks

Hyochun Ahn(Ajou University), Jaebeom Kim(Ajou University), Young-Bae Ko(Ajou University)

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초록

The Cognitive Radio (CR) paradigm in tactical ad hoc networks is an important element of future military communications for network-centric warfare. This paper presents a novel Cognitive Link State Routing protocol for CR-based tactical ad hoc networks. The proposed scheme provides prompt and reliable routes for Primary User (PU) activity through procedures that incorporate two main functions: PU-aware power adaptation and channel switching. For the PU-aware power adaptation, closer multipoint relay nodes are selected to prevent network partition and ensure successful PU communication. The PU-aware channel switching is proactively conducted using control messages to switch to a new available channel based on a common channel list. Our simulation study based on the ns-3 simulator demonstrates that the proposed routing scheme delivers significantly improved performance in terms of average end-to-end delay, jitter, and packet delivery ratio.

목차

Abstract
1. Introduction
2. Background and Related Work
3. Problem Statements
4. The Proposed Scheme
5. Performance Evaluation
6. Conclusion
References

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