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- W2151863639 abstract "In time-division multiple-access (TDMA) systems, the autonomy of portable handsets is a major constraint. We propose a new method, conditional equalization, which minimizes the power consumption due to equalization by equalizing only when it is most needed. At each time slot, the receiver estimates the need for equalization with a deterministic criterion. The proposed criteria use thresholds, chosen to provide a compromise between loss in performance and percentage of saved equalization. The performance of our method is theoretically analyzed for two-path Rayleigh fading channels and simulated for the recommended COST 207 channels. Conditional equalization can ensure a degradation in the average signal-to-noise ratio (SNR), providing a fixed bit error rate (BER with an average SNR=9 dB with systematic equalization), of less than 0.5 dB while providing a gain of 43% spared equalization for bad urban (BU), 62% for hilly terrain (HT), 79% for typical urban (TU), and 98% for rural area (RA) models, respectively. Conditional equalization is shown to greatly improve the autonomy of the receiver by drastically reducing the power consumption due to equalization, without a noticeable loss in the performance." @default.
- W2151863639 created "2016-06-24" @default.
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- W2151863639 date "1999-01-01" @default.
- W2151863639 modified "2023-09-25" @default.
- W2151863639 title "A new method for reducing the power consumption of portable handsets in TDMA mobile systems: conditional equalization" @default.
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- W2151863639 doi "https://doi.org/10.1109/25.806786" @default.
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