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Performance Analysis of Dynamic Spectrum Allocation in Heterogeneous Wireless Networks
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  • Performance Analysis of Dynamic Spectrum Allocation in Heterogeneous Wireless Networks
  • Performance Analysis of Dynamic Spectrum Allocation in Heterogeneous Wireless Networks
저자명
Ha. Jeoung-Lak,Kim. Jin-Up,Kim. Sang-Ha
간행물명
ETRI journal
권/호정보
2010년|32권 2호|pp.292-301 (10 pages)
발행정보
한국전자통신연구원
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Increasing convergence among heterogeneous radio networks is expected to be a key feature of future ubiquitous services. The convergence of radio networks in combination with dynamic spectrum allocation (DSA) could be a beneficial means to solve the growing demand for radio spectrum. DSA might enhance the spectrum utilization of involved radio networks to comply with user requirements for high-quality multimedia services. This paper proposes a simple spectrum allocation algorithm and presents an analytical model of dynamic spectrum resource allocation between two networks using a 4-D Markov chain. We argue that there may exist a break-even point for choosing whether or not to adopt DSA in a system. We point out certain circumstances where DSA is not a viable alternative. We also discuss the performance of DSA against the degree of resource sharing using the proposed analytical model and simulations. The presented analytical model is not restricted to DSA, and can be applied to a general resource sharing study.