On link rate adaptation in 802.11n WLANs

  title={On link rate adaptation in 802.11n WLANs},
  author={Sriram Lakshmanan and Shruti Sanadhya and Raghupathy Sivakumar},
  journal={2011 Proceedings IEEE INFOCOM},
The IEEE 802.11n standard is gaining popularity to achieve high throughput in Wireless LANs. In this paper, we explore link adaptation in practical 802.11n systems using experiments with off-the-shelf hardware. Our experiments reveal several non-trivial insights. Specifically, (1) trivial extensions of algorithms developed for 802.11g provide minimal benefits in 802.11n systems; (2) in contrast to theoretical expectation, multiple antenna transmission does not always lead to higher throughput… CONTINUE READING
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