Using Opportunistic CSMA/CA to Achieve Multi-User Diversity in Wireless LAN

@article{Hwang2007UsingOC,
  title={Using Opportunistic CSMA/CA to Achieve Multi-User Diversity in Wireless LAN},
  author={Chan-Soo Hwang and John M. Cioffi},
  journal={IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference},
  year={2007},
  pages={4952-4956}
}
The throughput of an IEEE 802.11 network decreases as the number of users increases because of the increased collision probability. To improve the throughput with a large population, this paper presents an opportunistic CSMA/CA scheme that exploits multi-user diversity, while maintaining backward compatibility with the IEEE 802.11 medium access control. This method prioritizes those users having high signal-to-noise-ratio by granting earlier access to these users. A simple randomization is… CONTINUE READING
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