Two-step multipolling MAC protocol for wireless LANs

  title={Two-step multipolling MAC protocol for wireless LANs},
  author={Byung-Seo Kim and Sung Won Kim and Yuguang Fang and Tan F. Wong},
  journal={IEEE Journal on Selected Areas in Communications},
The IEEE 802.11 standard defines two coordination functions: distributed coordination function (DCF) and point coordination function (PCF). These coordination functions coordinate the shared wireless medium. The PCF uses a centralized polling-based channel access method to support time-bounded services. To design an efficient polling scheme, the point coordinator (PC) needs to obtain information about the current transmission status and channel condition for each station. To reduce overhead… CONTINUE READING
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