A Threshold-Based Channel State Feedback Algorithm for Modern Cellular Systems

@article{Hassel2007ATC,
  title={A Threshold-Based Channel State Feedback Algorithm for Modern Cellular Systems},
  author={Vegard Hassel and David Gesbert and Mohamed-Slim Alouini and Geir E. \Oien},
  journal={IEEE Transactions on Wireless Communications},
  year={2007},
  volume={6}
}
In this paper we propose a channel state feedback algorithm that uses multiple feedback thresholds to reduce the number of users transmitting feedback to a minimum. The users are polled with lower and lower threshold values and only the users that are above a threshold value transmit feedback to the base station. We show how this feedback algorithm can be used for any scheduling algorithm and show how closed-form expressions for the optimal threshold values can be obtained for two well-known… CONTINUE READING
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Benefits of multiuser diversity with limi ted feedback

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