Study of multiple access schemes in 3GPP LTE OFDMA vs. SC-FDMA

Orthogonal Frequency Division Multiplexing Access (OFDMA) and Single Carrier Frequency Division Multiple Access (SC-FDMA) are currently used for downlink and uplink multiple access schemes in 3GPP Long Term Evolution (LTE). In this paper, we give an overview of both OFDMA and SC-FDMA. We also show t...

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Bibliographic Details
Published in2011 International Conference on Applied Electronics pp. 1 - 4
Main Authors Jamal, M., Horia, B., Maria, K., Alexandru, I.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2011
Subjects
LTE
Modulation
OFDMA
Peak to average power ratio
Power amplifiers
Rayleigh channel
Rayleigh channels
Receivers
SC-FDMA
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Summary:Orthogonal Frequency Division Multiplexing Access (OFDMA) and Single Carrier Frequency Division Multiple Access (SC-FDMA) are currently used for downlink and uplink multiple access schemes in 3GPP Long Term Evolution (LTE). In this paper, we give an overview of both OFDMA and SC-FDMA. We also show their dependence of symbol error rate (SER) on signal to noise ratio (SNR) in flat fading Rayleigh channel, and their Peak-to-Average Power ratio (PAPR) curves.
ISBN:9781457703157
1457703157
ISSN:1803-7232