Low Complexity Noncoherent Iterative Detector for Continuous Phase Modulation Systems
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This paper focuses on the noncoherent iterative detection of continuous phase modulation. A class of simplified receivers based on Principal-Component-Analysis (PCA) and Exponential-Window (EW) is developed. The proposed receiver is evaluated in terms of minimum achievable Euclidean distance, simulated bit error rate and achievable capacity. The performance of the proposed receiver is discussed in the context of mismatched receiver and the equivalent Euclidean distance is derived. Analysis and numerical results reveal that the proposed algorithm can approach the coherent performance and outperforms existing algorithm in terms of complexity and performance. It is shown that the proposed receiver can significantly reduce the detection complexity while the performance is comparable with existing algorithms.
KeywordsContinuous phase modulation, noncoherent iterative detection, time-varying phase noise, serially concatenated systems, minimum achievable distance, principal component analysis, mismatched receiver, wireless communication
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2014, vol. 23, č. 3, s. 890-897. ISSN 1210-2512
- 2014/3