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Performance Analysis of OFDMA and SC-FDMA Multiple Access Techniques for Next Generation Wireless Communications | IEEE Conference Publication | IEEE Xplore

Performance Analysis of OFDMA and SC-FDMA Multiple Access Techniques for Next Generation Wireless Communications


Abstract:

Orthogonal frequency division multiple access (OFDMA) and Single Carrier Frequency Division Multiple Access (SC-FDMA) are the two major multiple access schemes for 4G wir...Show More

Abstract:

Orthogonal frequency division multiple access (OFDMA) and Single Carrier Frequency Division Multiple Access (SC-FDMA) are the two major multiple access schemes for 4G wireless communications. In long term evolution (LTE) the downlink multiple access scheme is based on OFDMA and the uplink multiple access scheme is based on SC-FDMA. In this letter, we derive the fundamental performance difference between OFDMA and SC-FDMA, and present the general performance comparison between them. Analytical results show that OFDMA performance upper bounds SC-FDMA in the sense of capacity. The conclusion is further confirmed by numerical results.
Date of Conference: 02-05 June 2013
Date Added to IEEE Xplore: 02 January 2014
Electronic ISBN:978-1-4673-6337-2
Print ISSN: 1550-2252
Conference Location: Dresden, Germany

References

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