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IJIBC 10-1-2

Erlang Capacity of Cognitive Radio Systems using Buffer for Spectrum Handoff Calls

원문정보

Chau-Pham Thi Hong, In-soo Koo

국제인공지능학회(구 한국인터넷방송통신학회) International Journal of Internet, Broadcasting and Communication Vol.2 No.1 2010.02 pp.7-10
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초록

영어

Cognitive radio network is proposed as a solution to fully utilize the valuable spectrum. In this paper, we propose a new spectrum access scheme using buffer for new secondary user (SU) and interrupted SU calls, and analyze the corresponding Erlang capacity of cognitive radio system, which is defined as a set of supportable offered traffic loads of primary users (PUs) and SUs. As a result, it is observed that the Erlang capacity can be improved extremely using a suitable buffer length.

목차

Abstract
 1. Introduction
 2. Erlang capacity Analysis
  A. The proposed access scheme
  B. Erlang capacity analysis
 3. Simulation result & Conclusions
 Acknowledgement
 References

키워드

저자정보

  • Chau-Pham Thi Hong Department of Electrical Engineering, Ulsan university, Korea
  • In-soo Koo Department of Electrical Engineering, Ulsan university, Korea

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자료제공 : 네이버학술정보

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