Performance Analysis of WLAN Medium Access Control Protocols in Simulcast Radio-Over-Fiber-Based Distributed Antenna Systems

The performance of three wireless local-area network（WLAN） media access control（MAC） protocols is investigated and compared in the context of simulcast radioover-fiber-based distributed antenna systems（RoF-DASs） where multiple remote antenna units（RAUs） are connected to one access point（AP） with dif...

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Bibliographic Details
Published in:China communications 2014-05, Vol.11 (5), p.37-48
Main Authors: Li, Jianqiang, Fan, Yuting, Chen, Hao, Lu, Xun, Xu, Kun
Format: Article
Language:English
Subjects:
distributed antenna systems
MAC协议
Media Access Protocol
medium access control
Optical fiber networks
Optical fibers
Radio frequency
radio-over-fiber
simulcast
Wireless LAN
wireless local-area network
光纤链路
分布式协调功能
分布式天线系统
媒体访问控制协议
性能分析
无线局域网
电台
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Summary:The performance of three wireless local-area network（WLAN） media access control（MAC） protocols is investigated and compared in the context of simulcast radioover-fiber-based distributed antenna systems（RoF-DASs） where multiple remote antenna units（RAUs） are connected to one access point（AP） with different-length fiber links.The three WLAN MAC protocols under investigation are distributed coordination function（DCF） in basic access mode,DCF in request/clear to send（RTS/CTS） exchange mode,and point coordination function（PCF）.In the analysis,the inter-RAU hidden nodes problems and fiber-length difference effect are both taken into account.Results show that adaptive PCF mechanism has better throughput performances than the other two DCF modes,especially when the inserted fiber length is short.
ISSN:1673-5447
DOI:10.1109/CC.2014.6880459