CDMA bunched systems for improving fairness performance of the packet data services

  • Authors:

  • Sang Kook Lee;In Sook Cho;Jae Weon Cho;Young Wan So;Daeh Young Hong

  • Affiliations:

  • Dept. of Electronic Engineering, Sogang University, Seoul, Korea;Dept. of Electronic Engineering, Sogang University, Seoul, Korea;Dept. of Electronic Engineering, Sogang University, Seoul, Korea;Dept. of Electronic Engineering, Sogang University, Seoul, Korea;Dept. of Electronic Engineering, Sogang University, Seoul, Korea

  • Venue:
  • CIC'02 Proceedings of the 7th CDMA international conference on Mobile communications
  • Year:
  • 2002

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Abstract

In this paper, bunched system is proposed for improving fairness performance of CDMA packet data systems. The fairness and throughput performance of bunched system are evaluated and compared with those of conventional cellular system. Broadcasting and selecting schemes are applied as the transmission scheme on downlink in bunched system. We develop a model of received Eb/No in bunched system. The system performance measures include fairness performance factor and cell throughput. A computer simulation is developed and used. The derived results show that both fairness and throughput performance are improved by bunched system in macro- and micro-cellular environments. It is also shown that selecting scheme outperforms broadcasting scheme. From the results, it is confirmed that bunched system can improve the fairness of service quality as well as system throughput.