On Performance Improvements of Spread Slotted ALOHA Network with CLSP/CC (Special Section on Spread Spectrum Techniques and Applications)
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概要
- 論文の詳細を見る
This paper presents a new CLSP/CC (Channel Load Sensing Protocol/Channel Clearance) in order to obtain better performances in spread slotted ALOHA networks. This protocol can decrease a wasteful utilization of channel by prohibiting continuous transmission of the packets destroyed in previous slot, with little added network complexities. For channel clearance technique, hub station broadcasts NAK to all mobile stations when the number of packets transmitted in a slot exceeds the channel capacity, and mobile stations cease own packet transmissions at NAK broadcast. The performances of the proposed CLSP/CC are obtained and compared with those of conventional CLSP by simulations. The performances include network throughput, average processing time and the number of mobile stations in backlogged state. As simulation results, the proposed CLSP/CC outperforms conventional CLSP, especially in highly offered load environment. Also as the proposed CLSP/CC obtain maximum throughputs at higher offered loads and the larger number of mobile stations in backlogged state than the tonventional CLSP, it is found that our protocol can support more mobile stations and higher occurrence probabilities.
- 社団法人電子情報通信学会の論文
- 1997-12-25
著者
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Kim Tae-Joong
Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of M
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Whang K‐c
Yonsei Univ. Seoul Kor
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Kim T‐j
Electronics And Telecommunications Res. Inst. Daejon Kor
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Hwang Seung-hoon
Department Of Electronics Engineering Dongguk University-seoul
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Hwang Seung-hoon
Department Of Electronic Engineering Dongguk University
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WHANG Keum-Chan
Department of Electrical and Electronic Engineering, Yonsei University
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Kim K‐j
Yonsei Univ. Seoul. Kor
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KIM Ki-Jun
Department of Electrical Engineering, Yonsei University
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Whang Keum-chan
Communication System Lab. Department Of Electrical And Electronic Engineering Yonsei University
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Whang Keum-chan
The Department Of Electrical And Electronic Engineering Yonsei University
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Whang Keum-chan
Department Of Electrical & Computer Engineering Yonsei University
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Whang Keum-chan
The Department Of Electrical Engineering Yonsei University
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Kim Tae-joong
Department Of Obstetrics & Gynecology Samsung Medical Center Sungkyunkwan University School Of M
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HWANG Seung-Hoon
Department of Electrical Engineering, Yonsei University
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