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Throughput Analysis of CSMA/CA-based Cognitive Radio Networks in Idle Periods
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  • Throughput Analysis of CSMA/CA-based Cognitive Radio Networks in Idle Periods
  • Throughput Analysis of CSMA/CA-based Cognitive Radio Networks in Idle Periods
저자명
Wang. Hanho,Hong. Daesik
간행물명
IEIE Transactions on Smart Processing and Computing
권/호정보
2014년|3권 4호|pp.173-180 (8 pages)
발행정보
대한전자공학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Random access protocols feature inherent sensing functionality and distributed coordination, making them suitable for cognitive radio communication environments, where secondary users must detect the white space of the primary spectrum and utilize the idle primary spectrum efficiently without centralized control. These characteristics have led to the adoption of carrier-sensing-multiple-access/collision-avoidance (CSMA/CA) in cognitive radio. This paper proposes a new analytical framework for evaluating the performance of a CSMA/CA protocol that considers the characteristics of idle periods based on the primary traffic behavior in cognitive radio systems. In particular, the CSMA/CA-based secondary network was analyzed in the terms of idle period utilization, which is the average effective data transmission time portion in an idle period. The use of the idle period was maximized by taking its statistical features into consideration.