Interference mitigation based on multiple SINR thresholds in 60GHz wireless networks

  • Authors:

  • Weixia Zou;Fang Zhang;Guanglong Du;Bin Li

  • Affiliations:

  • Wireless Network Lab, Beijing University of Posts and Telecommunications Key Lab of Universal Wireless Communications, MOE, Beijing, China;Wireless Network Lab, Beijing University of Posts and Telecommunications Key Lab of Universal Wireless Communications, MOE, Beijing, China;Wireless Network Lab, Beijing University of Posts and Telecommunications Key Lab of Universal Wireless Communications, MOE, Beijing, China;Wireless Network Lab, Beijing University of Posts and Telecommunications Key Lab of Universal Wireless Communications, MOE, Beijing, China

  • Venue:
  • ICICA'12 Proceedings of the Third international conference on Information Computing and Applications
  • Year:
  • 2012

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Abstract

To investigate spatial interference statistics for multi-Gigabit indoor networks operating in the unlicensed 60 GHz "millimeter (mm) wave" band, power control was studied with a non-cooperative game-theoretic approach. Considering different data rates corresponding to different signal-to-interference plus noise ratio (SINR) thresholds in the standard of 60 GHz wireless networks, the Piecewise Utility-based Transmit Power Control (PUTPC) was proposed to improve the system performance. The proposed method is related to the SINR threshold and the obtained SINR. A detailed analysis of the existence and uniqueness of Nash equilibrium for the above non-cooperative game is presented. Numerical results demonstrate that the new algorithm can efficiently improve the system capacity and can lower average outage percentage effectively with saved power.