Application and analysis of rake receiver to hybrid CPM modulation

James A. Norris; John W. Nieto

doi:10.1117/12.888788

24 May 2011 Application and analysis of rake receiver to hybrid CPM modulation

James A. Norris, John W. Nieto

Proceedings Volume 8061, Wireless Sensing, Localization, and Processing VI; 80610B (2011) https://doi.org/10.1117/12.888788
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

Constant Envelope, Spread Spectrum Modulation is highly desirable for low-power, battery-operated systems. It has been demonstrated that Hybrid CPM is a constant envelope modulation with similar frequency diversity properties to the standard spread-spectrum m-PSK DSSS and spread-MSK modulation schemes while retaining a superior emissions profile. This paper continues the analysis of the novel constant envelope spread spectrum modulation technique with an analysis of the commonly utilized rake receiver signal processing. Initially, a simple channel model is developed to illustrate and compare the convergence of the channel estimate over a fixed, non-time-varying channel. A more complex, wireless channel model is then developed and a new corresponding method for channel estimation created. A Monte- Carlo simulated bit error rate performance of Hybrid CPM is then generated to evaluate the overall performance of the Hybrid CPM modulation scheme.

Citation Download Citation

James A. Norris and John W. Nieto "Application and analysis of rake receiver to hybrid CPM modulation", Proc. SPIE 8061, Wireless Sensing, Localization, and Processing VI, 80610B (24 May 2011); https://doi.org/10.1117/12.888788

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