A closed-form expression for BER to quantify MAI for synchronous DS-CDMA multi-user detector

Syed S. Rizvi, Khaled M. Elleithy, Aasia Riasat

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A closed-form expression to determine an average error rate for synchronous DS-CDMA multi-user detector is derived based on the transformation matrix (TM) algorithm proposed in [1]. The derived expression for average bit error rate (BER) can be used to produce higher and consistent values of signal-to-noise ratio (SNR) that consequently results good quality signal. In addition, the closed-form expression can be used to quantify the multiple access interference (MAI) for a desirable BER performance by which unwanted signals or interference can be suppressed relative to the desired signal at the receiving end. The derived closed-form expression for BER is not only shown to substantially improve the performance of the multiuser detectors by means of higher values of SNR but also has much lower MAI. The performance measure adopted in this paper is the achievable bit rate for a fixed probability of bit error (10 -7) and the consistent values of SNR.

Original languageEnglish (US)
Title of host publication7th Annual Wireless Telecommunications Symposium, WTS 2008
Pages110-114
Number of pages5
DOIs
StatePublished - Sep 12 2008
Event7th Annual Wireless Telecommunications Symposium, WTS 2008 - Ponoma, CA, United States
Duration: Apr 24 2008Apr 26 2008

Publication series

Name7th Annual Wireless Telecommunications Symposium, WTS 2008

Other

Other7th Annual Wireless Telecommunications Symposium, WTS 2008
Country/TerritoryUnited States
CityPonoma, CA
Period4/24/084/26/08

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Communication

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