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Trust-based Relay Selection in Relay-based Networks
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  • Trust-based Relay Selection in Relay-based Networks
  • Trust-based Relay Selection in Relay-based Networks
저자명
Wu. Di,Zhu. Gang,Zhu. Li,Ai. Bo
간행물명
KSII Transactions on internet and information systems : TIIS
권/호정보
2012년|6권 10호|pp.2587-2600 (14 pages)
발행정보
한국인터넷정보학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

It has been demonstrated that choosing an appropriate relay node can improve the transmission rate for the system. However, such system improvement brought by the relay selection may be degraded with the presence of the malicious relay nodes, which are selected but refuse to cooperate for transmissions deliberately. In this paper, we formulate the relay selection issue as a restless bandit problem with the objective to maximize the average rate, while considering the credibility of each relay node, which may be different at each time instant. Then the optimization problem is solved by using the priority-index heuristic method effectively. Furthermore, a low complexity algorithm is offered in order to facilitate the practical implementations. Simulation results are conducted to demonstrate the effectiveness of the proposed trust-based relay selection scheme.