FAN Yuting, LI Jianqiang, XU Kun, DAI Yitang. A Detection-Switching-Assisted DCF Mechanism for Simulcast WLAN-over-Fiber Based Distributed Antenna Systems[J]. Chinese Journal of Electronics, 2017, 26(4): 837-841. doi: 10.1049/cje.2016.06.022
Citation: FAN Yuting, LI Jianqiang, XU Kun, DAI Yitang. A Detection-Switching-Assisted DCF Mechanism for Simulcast WLAN-over-Fiber Based Distributed Antenna Systems[J]. Chinese Journal of Electronics, 2017, 26(4): 837-841. doi: 10.1049/cje.2016.06.022

A Detection-Switching-Assisted DCF Mechanism for Simulcast WLAN-over-Fiber Based Distributed Antenna Systems

doi: 10.1049/cje.2016.06.022
Funds:  This work was in part supported by The National High Technology Research and Development Program of China (863 Program) (No.2015AA016903), the National Natural Science Foundation of China Program (No.61431003, No.61302086), and Specialized Research Fund for the Doctoral Program of Higher Education (No.20130005120007).
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  • Corresponding author: XU Kun (corresponding author) received the Ph.D. degree in physical electronics from Tsinghua University, Beijing, China, in 2003. Currently, he is an professor in the State Key Laboratory of Information Photonics and Optical Communication (IPOC), BUPT. His current research interests include high-speed optical communication, all-optical signal processing, and radio-over-fiber techniques. (Email: xukun@bupt.edu.cn)
  • Received Date: 2015-04-24
  • Rev Recd Date: 2015-06-17
  • Publish Date: 2017-07-10
  • Distributed antenna systems (DASs) using Radio-over-fiber (RoF) links is a promising candidate to provide flexible coverage and high data rates. For simulcast Wireless local-area network (WLAN) use in RoF systems, the stations covered by different Remote antenna units (RAUs) contend for the wireless medium using Media access control (MAC) mechanism. Severe inter-RAU hidden nodes problem will happen due to the stations in different RAUs cannot detect each other very well. In order to alleviate this inter-RAU collision problem, a promising detection-switching-assisted Distributed coordination function (DCF) mechanism is presented using in the uplink. The control delay issues of the proposed mechanism are also discussed in this paper.
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