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Performance Evaluation and Comparison between Iterative DS-CDMA and NDMA | IEEE Conference Publication | IEEE Xplore

Performance Evaluation and Comparison between Iterative DS-CDMA and NDMA


Abstract:

Multipacket Reception (MPR) techniques employing either Direct Sequence Code Division Multiple Access (DS- CDMA) or Network Diversity Multiple Access (NDMA) have great po...Show More

Abstract:

Multipacket Reception (MPR) techniques employing either Direct Sequence Code Division Multiple Access (DS- CDMA) or Network Diversity Multiple Access (NDMA) have great potential to deal with packet collisions from multiple Mobile Terminals (MTs). However, their performance evaluation in prac- tical systems is difficult because lengthy simulations are needed to obtain the packet error rates for specific channel conditions. This paper considers MPR receivers based on the Iterative Block Decision Feedback Equalization (IB-DFE) concept. An analytical tool that computes the Bit Error Rate (BER) and Packet Error Rate (PER) for DS-CDMA is proposed, where its theoretical results have a good accuracy. This analytical approach, that provides a simple and relatively fast way to compute the BER and PER performance for DS-CDMA, is then employed for a comparison with NDMA.
Date of Conference: 03-06 September 2012
Date Added to IEEE Xplore: 31 December 2012
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Conference Location: Quebec City, QC, Canada

References

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