Performance of Power-Controlled Wideband Terrestrial Digital Communication

Andrew J. Viterbi, Audrey M. Viterbi, Ephraim Zehavi

Research output: Contribution to journalArticlepeer-review

170 Scopus citations


Performance of a wideband multipath-fading terrestrial digital coded communication system is treated. The analysis has applications to a cellular system employing direct sequence spread spectrum CDMA with Mary 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 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 transmitted power by a fixed amount. Assuming perfect interleaving, the effect of the power-control accuracy on the system performance is assessed.

Original languageEnglish
Pages (from-to)559-569
Number of pages11
JournalIEEE Transactions on Communications
Issue number4
StatePublished - Apr 1993
Externally publishedYes


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