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Constant Envelope OFDM provides a solution to the issue of high peak-to-average power ratio in OFDM by using angle modulation to transform the OFDM signal to a constant envelope signal. The modulation index of Constant Envelope OFDM controls this transformation. In this paper, we develop novel receiver structures for Constant Envelope OFDM based on the Taylor series expansion, alleviating the need...
Constant Envelope OFDM (CE-OFDM) addresses the major issue of a high peak-to-average power ratio (PAPR) in OFDM. However, since CE-OFDM is based on angle modulation, it suffers from the well known threshold effect which results in a large performance degradation at low carrier-to-noise ratios (CNRs). In this paper, we study the impact of the threshold effect induced phase cycle slips on the underlying...
Constant Envelope OFDM (CE-OFDM) alleviates the high peak-to-average power ratio (PAPR) problem in OFDM. However, since CE-OFDM is based on angle modulation, it is susceptible to the well known threshold effect. This paper considers several threshold extending receiver structures for CE-OFDM. The simple arctangent receiver [4] is compared to the conventional limiter-discriminator type FM receiver...
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