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논문 기본 정보

저자정보
(조선대학교) (조선대학교)
저널정보
대한전자공학회 ICEIC : International Conference on Electronics, Informations and Communications ICEIC : 2008
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    초록·키워드

    In this paper a contention resolution backoff algo-rithm termed Combined Binary Exponential and Linear Backoff (CBELB) algorithm is proposed for initial ranging procedure in IEEE 802.16e based WiBro (Wireless Broadband). In CBELB al-gorithm, for first four initial collision, the colliding SS (Subscriber Station) increases its contention window (CW) size exponentially with the factor of 2, whereas in case of successive collision after fifth, the SS increases the contention window size linearly until the maximum number of retransmission is reached. Numerical results show that CBELB algorithm in the WiBro cell reduces the average access delay for the successful ranging request transmission in comparison with BEB when there is moderate traffic in the network.

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      UCI(KEPA) : I410-ECN-0101-2012-569-004332926