Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Patent
1995-04-11
1997-04-08
Bocure, Tesfaldet
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
375285, 375286, 375346, 348665, H04L 512, H04L 2302, H04B 1500
Patent
active
056195346
ABSTRACT:
A system for transmitting and receiving digital data which utilizes pre-coding at a transmitter, and selects post-coding at a receiver when co-channel interference not present or post-comb processing at the receiver when co-channel interference is present. The system includes a symbol interleaver at the transmitter and a symbol deinterleaver at the receiver which minimizes the byte errors by organizing the data input at the pre-coder at the transmitter such that the symbol errors and their respective propagated errors are re-organized so as to be disposed adjacent to each other, thereby forming adjacent symbol errors. The effect of this re-organization is to increase the probability that each pair of adjacent symbol errors correspond to bits which lie in the same byte.
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Advanced Digital Television, System Description, Jan. 20, 1992 Prepared by Savid Sarnoff Research Center & Philips Laboratories pp. 1-xvii and 1-130.
"Digital Spectrum Compatible--Technical Details" submitted to WP1 by Zenith and AT&T, Sep. 23, 1991.
Bocure Tesfaldet
Marion Michael F.
Philips Electronics North America Corporatioin
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