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Centralised power control in CDMA cellular mobile systems

Centralised power control in CDMA cellular mobile systems

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Efficient power control is of great importance in the design of high capacity cellular radio systems. Optimum power control scheme, in the sense that it minimises the outage probability, has been fully investigated for FDMA/TDMA cellular systems. The authors propose optimum power control and several centralised power control algorithms for CDMA cellular systems. Simulation results indicate that the optimum power control scheme outperforms the perfect average power control algorithm by ~1.9 dB under the IS-95 defined radio condition.

Inspec keywords: cellular radio; code division multiple access; power control; radio transmitters

Other keywords: CDMA cellular mobile systems; centralised power control; outage probability; IS-95 defined radio condition

Subjects: Control applications in radio and radar; Power and energy control; Mobile radio systems; Multiple access communication

References

    1. 1)
      • J. Zander . Distributed cochannel interference control in cellular radio systems. IEEE Trans. Veh. Technol.
    2. 2)
      • Alavi, H., Nettleton, R.W.: `Downstream power control for a spread spectrum cellular mobile radiosystem', Conf. Rec. GLOBECOM'82, 1982, Miami.
    3. 3)
      • J. Zander . Performance of optimum transmitter power control in cellular radio systems. IEEE Trans. Veh. Technol. , 57 - 62
    4. 4)
      • S. Ariyavisitakul , L.F. Chang . Signal and interference statistics of a CDMA system with feedback powercontrol. IEEE Trans. Commun.
    5. 5)
      • T.H. Lee , J.C. Lin , Y.T. Su . Downlink power control algorithms for cellular radio systems. IEEE Trans. Veh. Technol.
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