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Proceedings Paper

Application and analysis of rake receiver to hybrid CPM modulation
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Paper 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.

Paper Details

Date Published: 24 May 2011
PDF: 12 pages
Proc. SPIE 8061, Wireless Sensing, Localization, and Processing VI, 80610B (24 May 2011); doi: 10.1117/12.888788
Show Author Affiliations
James A. Norris, Harris Corp. (United States)
John W. Nieto, Harris Corp. (United States)


Published in SPIE Proceedings Vol. 8061:
Wireless Sensing, Localization, and Processing VI
Sohail A. Dianat; Michael David Zoltowski, Editor(s)

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