Discovery of uniform multicarrier frameworks for multiple-access technologies

Carl R. Nassar

doi:10.1117/12.447386

2 November 2001 Discovery of uniform multicarrier frameworks for multiple-access technologies

Carl R. Nassar

Author Affiliations +

Proceedings Volume 4529, Enabling Technologies for 3G and Beyond; (2001) https://doi.org/10.1117/12.447386
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

Multi-carrier technologies are emerging as a considerable force in the wireless world. OFDM charges ahead, with MC-CDMA close behind. However, as this tutorial demonstrates, multi- carrier technologies are not limited to OFDM and MC-CDMA. By application of Carrier Interferometry (CI) principles, we create CI/TDMA and CI/DS-CDMA, multi-carrier implementations of existing TDMA and DS-CDMA technologies. These implementations enable significant improvements in both performance and network capacity. Specifically, we double the network capacity of existing TDMA and DS-CDMA system and simultaneously outperform their traditional implementations. Of course, the benefits of Carrier Interferometry are not limited to TDMA and DS-CDMA: It also significantly improves the existing MC-CDMA and OFDM multi-carrier systems. What emerges is a very powerful technology that creates a common multi-carrier architecture for DS-CDMA, TDMA, OFDM, and MC- CDMA, bridging the hardware gap between the world's most promising technology, all the while enhancing network capacity and probability of error performance.

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Carl R. Nassar "Discovery of uniform multicarrier frameworks for multiple-access technologies", Proc. SPIE 4529, Enabling Technologies for 3G and Beyond, (2 November 2001); https://doi.org/10.1117/12.447386

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KEYWORDS

Orthogonal frequency division multiplexing

Receivers

Interferometry

Transmitters

Modulation

Networks

Signal to noise ratio

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