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Performance of power-controlled wideband terrestrial digital communication

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3 Author(s)
A. J. Viterbi ; Qualcomm Inc., San Diego, CA, USA ; A. M. Viterbi ; E. Zehavi

Performance of a wideband multipath-fading terrestrial digital coded communication system is treated. The analysis has applications to a cellular system using direct-sequence spread-spectrum code-division multiaccess (CDMA) with M-ary orthogonal modulation on the many-to-one reverse (user-to-base station) link. For these links, power control of each multiple-access user by the cell base station is a critically important feature. This feature is implemented by measuring the power received at the base station for each user and sending a command to either raise or lower reverse link transmitter power by a fixed amount. Assuming perfect interleaving, the effect of the power control accuracy on the system performance is assessed

Published in:

IEEE Transactions on Communications  (Volume:41 ,  Issue: 4 )