A Random Access Mechanism Based on OFDM System

Yu Yi-fan; Yin Chang-chuan; Luo Tao; Yue Guang-xing

Volume 27 Issue 6

Jun. 2005

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Article Navigation > Journal of Electronics & Information Technology > 2005 > 27(6): 943-947

Yu Yi-fan, Yin Chang-chuan, Luo Tao, Yue Guang-xing. A Random Access Mechanism Based on OFDM System[J]. Journal of Electronics & Information Technology, 2005, 27(6): 943-947.

Citation:

Yu Yi-fan, Yin Chang-chuan, Luo Tao, Yue Guang-xing. A Random Access Mechanism Based on OFDM System[J]. Journal of Electronics & Information Technology, 2005, 27(6): 943-947.

Yu Yi-fan, Yin Chang-chuan, Luo Tao, Yue Guang-xing. A Random Access Mechanism Based on OFDM System[J]. Journal of Electronics & Information Technology, 2005, 27(6): 943-947.

Citation:

Yu Yi-fan, Yin Chang-chuan, Luo Tao, Yue Guang-xing. A Random Access Mechanism Based on OFDM System[J]. Journal of Electronics & Information Technology, 2005, 27(6): 943-947.

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A Random Access Mechanism Based on OFDM System

Received Date: 2004-01-15
Rev Recd Date: 2004-04-28
Publish Date: 2005-06-19

Abstract

Abstract

A MAC protocol, termed Dual Busy Tone Multiple Access(DBTMA), is a random access mechanism with high channel utilization for WLAN. However, it is difficult to realize the protocol with hardware. This paper proposes a new random access mechanism based on OFDM system by making simple modification on DBTMA and integrating it with power awase multi-access protocol with signalling. Furthermore, the new protocol is analysed and the result indicates that the proposed random access system shows well performance and is easy to be realized.

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References(1)

References

Deng J, Haas Z J. Dual busy tone multiple access (DBTMA): A new medium access control for packet radio networks[J].IEEE ICUPC98 International Conference on Universal Personal Communications. Florence, Italy 5- 9 Oct.1998, Vol.2:973-[2]Nee R V, Prasad R. OFDM Wireless Multimedia Communications [R]. Boston: Artech House Publishers, 2000.[3]Suresh Singh, Raghavendra C. PAMAS-power aware multiaccess protocol with signalling for ad hoc networks. ACM SIGCOMM Computer Communication Review, 1998, 28(3): 5 -26.[4]Tobagi F A, Kleinrock L. Packet switching in radio channels: Part Ⅱ-The Hidden terminal problem in carrier sense multiple-access and busy-tone solution. IEEE Trans. on Communications, 1975,COM-23(12): 1417- 1433.[5]谢希仁.计算机网络(2版.大连:大连理工大学出版社,1996,第五章第四节.

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