An Uplink Short-Term Fading Prediction-Based Power Control Method for DS/CDMA Cellular Radio Systems

  • Authors:
  • Jyh-Horng Wen;Shang-Yo Lin

  • Affiliations:
  • Department of Electrical Engineering, National Chung Cheng University 160, San-Hsing, Ming-Hsiung, Chia-yi, Taiwan, R.O.C./ E-mail: wen@ee.ccu.edu.tw;Department of Electrical Engineering, National Chung Cheng University 160, San-Hsing, Ming-Hsiung, Chia-yi, Taiwan, R.O.C.

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2000

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Abstract

In previous research, a new multi-step SIR-based powercontrol, referred to as short-term fadingprediction-based (SFP-based) method, has been proposedfor DS/CDMA downlink power control. Simulation resultsshowed that the SFP method outperforms the originalmulti-step SIR-based power control. In this paper, wefurther investigate the behavior of the SFP methodapplied to uplink. Simulation results show that theSFP method still performs better than the originalmulti-step SIR-based method. Although the uplinkperformance is still poorer than the downlink usingSFP power control method instead of the originalmulti-step SIR-based method, the improvement amount ofSFP-based method compared to the multi-step SIR-basedmethod in uplink is larger than that in downlink.