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4.8 | 6 ratings Rate this file 31 Downloads (last 30 days) File Size: 914 KB File ID: #2839

PSK31 Model with Symbol Timing and Carrier Recovery

09 Dec 2002 (Updated 24 May 2011)

Updated version of PSK31 communication standard that is R2009B compliant.

File Information
Description	This model implements a communication standard known as PSK31. The transmit portion of the model can either synthesize the PSK31 signal, or use real world signals that were captured as Wave files. The receiver features include: Automatic Frequency Control, Automatic Gain Control, Symbol Timing recovery with a fractionally spaced Farrow interpolator, Decision Directed Carrier Phase Lock Loop, dbsk or dqpsk demodulation with FEC. References are provided in the Model.
Required Products	Communications Blockset Communications System Toolbox DSP System Toolbox Signal Processing Toolbox Simulink Stateflow
MATLAB release	MATLAB 7.9 (2009b)
Other requirements	Soundcard support for PC only, but these elements can be removed from the model to run on other systems.

Tags for This File
Everyone's Tags	bpsk, carrier recovery, farrow, fec(2), fractional delay, pll, psk31, qpsk, timing recovery(2), wireless
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Comments and Ratings (8)
29 Jun 2003	Sukvasant Tantikovit	Very Very Good!
29 Jun 2003	Sukvasant Tantikovit	Very Very Good!
16 Mar 2004	jing wen	Excellent
05 Apr 2004	Yvan Lee	I Like you.
13 Apr 2004	LN Sharma	Very Good implementation
14 Sep 2004	Nguyen Huy
14 Sep 2004	No Ti	Can you help me to solve a problem: synchronous PN in DSSS use fuzzy logic.
17 Jul 2005	Lu Kenn	Thank you for your efforts!

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Updates
13 Dec 2002	New viterbi and demodulator dlls.
17 Jan 2003	New viterbi and demodulator dlls. Increased lock in range with FFT based Automatic Frequency Control
19 Jan 2005	Model has new features and is R14 compatible.
08 Jan 2010	Modified for R2009B
24 May 2011	Updated to run with 2009B through 2011a inclusive.