VPSK and VMSK modulation transmit digital audio and video at 15 Bits/Sec/Hz

IEEE Transactions on Broadcasting

Volumn 43, Issue 1, 1997, Pages 96-103

  Walker, H R ^a  

^a Pegasus Data Systems   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BANDWIDTH COMPRESSION; COMPUTER HARDWARE; FREQUENCY MODULATION; MATHEMATICAL TECHNIQUES; PHASE SHIFT KEYING; VOICE/DATA COMMUNICATION SYSTEMS;

BINARY PHASE SHIFT KEYING; CARRIER TO NOISE RATIO; MANCHESTER CODING; QUADRATURE PHASE SHIFT KEYING;

DIGITAL COMMUNICATION SYSTEMS;

EID: 0031103609     PISSN: 00189316     EISSN: None     Source Type: Journal    
DOI: 10.1109/11.566830     Document Type: Article

References (9)

1. Miller, A. and Miller, W. U.S. Pats. 3,108,261 and 3,646,534.( MFM Pats.).
2. H.R. Walker, "High Speed Data Communications System Using Phase Shift Key Coding" U.S. Pals. 4,742,532 and 5,185,765. ( Basic VPSK and "slip code" Patents.) U.S. and Foreign patents arc pending on the fixed apciture coding method and the phantom carrier signalling method. Licenses arc required to use cither method.
3. B. Slryzak and H.R. Walker," Improve Data Transmission Using Single Sideband FM With Suppressed Carrier". Microwaves and RF Magazine, Wireless Design Supplement, Nov. 1994.
4. H.R. Walker, "VPSK Modulation Transmits Digital Audio at 15 Bils/Sec./Hz". Microwaves and RF Magazine, Wireless Design Supplement, Dec. 1996.
5. R.E. Best, "Phase Locked Loops", Me Oraw Hill, NYC. 1984. ( Analyzes the PLL as an FM detector and the R factor).
6. H.R. Walker, "The Advantages of VPSK Modulation" Proceedings, IEEE Wescon, San Franscisco, Nov. 1995.
7. B. Stryzak, "VPSK Modulation on FM Subcarriers", Proceedings, Wireless Symposium, Santa Clara, Ca. Feb. 1997.
8. H.R.Walker, " High Data Rate Power Line Modem Uses VMSK Modulation", Proceedings, Wireless Symposium, Santa Clara, Ca. Feb. 1997.
9. H. R. Walker. "Regenerative IF Amplifiers Improve Noise Bandwidth" Microwaves and RF Magazine, Dec 95 and Jan 96.