Comparing the performance of continuous phase modulation and constant envelope orthogonal frequency division multiplexing

John Nieto

doi:10.1117/12.921394

3 May 2012 Comparing the performance of continuous phase modulation and constant envelope orthogonal frequency division multiplexing

John Nieto

Author Affiliations +

Proceedings Volume 8404, Wireless Sensing, Localization, and Processing VII; 84040C (2012) https://doi.org/10.1117/12.921394
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

Continuous Phase Modulation (CPM) waveforms offer some very appealing characteristics such as constant envelope and bandwidth efficiency. Orthogonal Frequency Division Multiplexing (OFDM) is a popular technique used for digital data transmission due to its low computational complexity and simple equalization process. One of its main drawbacks is the very large peak power to average power ratio (PAPR) which requires the use of very linear power amplifiers (PA) and a large power back-off into the PA. In recent years a variant of OFDM has been developed known as constant envelope OFDM. This paper will compare the bandwidth efficiency and performance of CPM and constant-envelope OFDM waveforms.

Citation Download Citation

John Nieto "Comparing the performance of continuous phase modulation and constant envelope orthogonal frequency division multiplexing", Proc. SPIE 8404, Wireless Sensing, Localization, and Processing VII, 84040C (3 May 2012); https://doi.org/10.1117/12.921394

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