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Mobile power management for wireless communication networks

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Abstract

For fixed quality-of-service constraints and varying channel interference, how should a mobile node in a wireless network adjust its transmitter power so that energy consumption is minimized? Several transmission schemes are considered, and optimal solutions are obtained for channels with stationary, extraneous interference. A simple dynamic power management algorithm based on these solutions is developed. The algorithm is tested by a series of simulations, including the extraneous-interference case and the more general case where multiple, mutually interfering transmitters operate in a therefore highly responsive interference environment. Power management is compared with conventional power control for models based on FDMA/TDMA and CDMA cellular networks. Results show improved network capacity and stability in addition to substantially improved battery life at the mobile terminals.

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Authors
  1. John M. Rulnick
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  2. Nicholas Bambos
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Rulnick, J.M., Bambos, N. Mobile power management for wireless communication networks. Wireless Networks 3, 3–14 (1997). https://doi.org/10.1023/A:1019168125436

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