Eavesdropper Performance in Cellular CDMA

Andrew Mckellips, Sergio Verdú

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We study eavesdropper performance in power-controlled cellular CDMA systems. A significant hindrance to eavesdropping in the reverse channel is the wide range of potential received powers from active users; although power control insures that all users are received with approximately equal power at the base station, it does not concern itself with the rest of the cell. Susceptibility to the near-far problem is demonstrated, and performance sensitivity to eavesdropper location is shown to depend on a single off-centered-ness parameter. Both circular and linear cell geometries are considered, with log-distance and log-normal shadowing models adopted for signal path loss. A comparison of several eavesdropper detection strategies is performed, demonstrating a potential for significant performance improvement through the use of multiuser detection techniques.

Original languageEnglish (US)
Pages (from-to)379-389
Number of pages11
JournalEuropean Transactions on Telecommunications
Issue number4
StatePublished - 1998

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


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