全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

利用最优空闲信道的认知无线电MAC协议

DOI: 10.13190/jbupt.201002.121.274, PP. 121-125

Keywords: 认知无线电,隐藏终端,暴露终端,饱和吞吐量

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出了一种利用最优空闲授权信道通信的认知无线电介质访问控制(MAC)协议.采用该协议的每个次要(非授权)用户根据对多个授权信道的感知结果,选择最优的空闲授权信道通信,该协议同时解决了“隐藏”终端和“暴露”终端的问题.并建立数学模型分析了在饱和网络状况下该MAC协议的吞吐量.仿真结果表明,数学模型可以精确计算该MAC协议的饱和吞吐量.

References

[1]  Hsu A, Wei D, Kuo C. A cognitive MAC protocol using statistical channel allocation for wireless ad-hoc networks//WCNC 2007. Hong Kong: IEEE press, 2007: 105-110.
[2]  Su Hang, Zhang Xi. CREAM-MAC: an efficient cognitive radio-enabled multi-channel MAC protocol for wireless networks//WOWMOM 2008. Newport Beach: IEEE Press, 2008: 1-8.
[3]  Hung Shaoyi, Cheng Yuchun. An opportunistic cognitive MAC protocol for coexistence with WLAN//ICC 2008. Beijing: IEEE press, 2008: 4059-4063.
[4]  IEEE Std 802.11—1997, IEEE standard for wireless LAN medium access control (MAC) and physical layer (PHY) specifications[S]. New York: IEEE Computer Society, 1997: 125-128.
[5]  Bianchi G. Performance analysis of the IEEE 802.11 distributed Coordination function[J]. IEEE J Sel Areas Commun, 2000, 18(3): 535-547.
[6]  Bianchi G, Tinnirello I. Remarks on IEEE 802.11 DCF performance analysis[J]. IEEE Commun Lett, 2005, 9(8): 765-767.
[7]  Network simulator (NS2). 2005-10-09.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133