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Adaptive transmit power window control for channel state based packet transmissions in CDMA cellular downlink communications

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3 Author(s)
Mori, K. ; Div. of Electr. & Electron. Eng., Mie Univ., Tsu ; Naito, K. ; Kobayashi, H.

This paper proposes an adaptive transmit power window control scheme based on location of mobile stations and traffic load for channel state based transmissions to enhance the system performance in CDMA cellular downlink packet communications. The proposed scheme constrains the downlink packet transmissions by employing a transmit power window individually given to each mobile station. The size of the transmit power window is controlled by using the optimum threshold value for each traffic load point. This optimum threshold value is selected with regard to the mobile locations and the traffic load. Computer simulations show that the proposed scheme improved the delay performance and fairness of service compared with the conventional scheme.

Published in:

Telecommunications, 2008. ICT 2008. International Conference on

Date of Conference:

16-19 June 2008