Autonomous Software-Defined Radio Receivers for Deep Space by Jon Hamkins, Marvin K. Simon, Joseph H. Yuen

By Jon Hamkins, Marvin K. Simon, Joseph H. Yuen

This ebook introduces the reader to the concept that of an independent software-defined radio (SDR) receiver. each one distinctive element of the layout of the receiver is taken care of in a separate bankruptcy written through a number of best innovators within the box. Chapters start with an issue assertion after which provide a whole mathematical derivation of a suitable answer, a choice metric or loop-structure as applicable, and function effects.

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Divsalar, and H. Shirani-Mehr, “An Overview of the Architecture of an Autonomous Radio,” The Interplanetary Network Progress Report, Jet Propulsion Laboratory, Pasadena, California, vol. 42-159, pp. 1-14, November 15, 2004. pdf [2] C. D. Edwards, A. Barbieri, E. Brower, P. Estabrook, R. Gibbs, R. Horttor, J. Ludwinski, R. Mase, C. McCarthy, R. Schmidt, P. Theisinger, T. Thorpe, and B. 07,” International Astronautical Congress 2004, pp. 1-1 1, October 2004. Introductionand Overview 17 [3] J. Guinn, “Phoenix Plans for Relay Use,” Mars Network Workshop, June 2004.

2-7, then UL is incremented by 1 and compared against a threshold, LT,between 0 and 15. As long as UL 5 LT,then the tracking loop proceeds. If not, then the decoder resets and acquisition is re-initiated. 15 Fig. 2-7. Flow diagram of the Viterbi code node synchronizer. S LrS Loop Tracking Viterbi Loader Configuration Algorithm 36 Chapter 2 The Electra Radio 37 The tracking-error-count threshold Ts is computed based on both the averaged error count X A and the symbol SNR estimate. Initially, the threshold is set equal to TR= XA+AS (AS is a pre-determined constant between 0 and 255).

IT-28, pp. 55-67, January 1982. 29, January-March 1997, Jet Propulsion Laboratory, Pasadena, California, pp. 1-5, May 15, 1997. pdf [13]S. Hinedi, “A Functional Description of the Advanced Receiver,” The Telecommunications and Data Acquisition Progress Report 42-1 00, OctoberDecember 1989, Jet Propulsion Laboratory, Pasadena, California, pp. 131149,February 15, 1990. PDF [14]C. D. Edwards, T. C. Jedrey, E. Schwartzbaum, A. S. Devereaux, R. DePaula, M. Dapore, and T. w. AO6,”International Astronautical Congress ,2003, September-October 2003.

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