Generalized viterbi decoding algorithms

N Seshardi, CEW Sundberg - US Patent 5,208,816, 1993 - Google Patents
Channel coding is a means to efficiently introduce redundancy into a sequence of data
symbols to promote the reliability of transmission. Two principal techniques employed are …

Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof

HJ Jeong, YD Chang - US Patent 7,593,474, 2009 - Google Patents
A digital broadcast transmitting/receiving system and a signal processing method thereof
that can improve the receiving performance of the system. A digital broadcast transmitter has …

Adaptive communication rate modem

SUH Qureshi, KW Seitz, RM Wilson - US Patent 4,756,007, 1988 - Google Patents
In a modem that transmits signals to and receives signals from a remote device at a
multiplicity of communica tion rates, the quality of the channel is monitored, a communication …

Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof

H Jeong, YD Chang, E Park - US Patent 7,773,684, 2010 - Google Patents
A digital broadcasting transmission and/or reception system having an improved reception
performance and a signal-processing method thereof. A digital broadcasting transmitter …

Apparatus and method for detecting signal points using signal point-mapping

T Ikeda - US Patent 6,041,432, 2000 - Google Patents
An apparatus and method for detecting signal points transmitted over a transmission line. A
data transmitter encodes input data and maps this data in accordance with a Trellis Code …

Trellis coded multilevel DPSK system with Doppler correction for mobile satellite channels

D Divsalar, MK Simon - US Patent 5,023,889, 1991 - Google Patents
The need in the art is addressed by the present inven tion which in a system embodiment
provides a trellis coded multilevel differential phase shift keyed mobile communication …

Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof

H Jeong, YD Chang, E Park - US Patent 7,590,187, 2009 - Google Patents
A digital broadcasting transmission and/or reception system having an improved reception
performance and a signal-processing method thereof. A digital broadcasting transmitter …

Slice predictor for a signal receiver

DA Willming - US Patent 5,923,711, 1999 - Google Patents
Multi-level modulation, such as the modulation produced by trellis encoders, is a well-known
technique for improving the performance of a data transmission and reception SyS tem. For …

Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof

HJ Jeong, YD Chang - US Patent 8,050,347, 2011 - Google Patents
A digital broadcast transmitting/receiving system and a signal processing method thereof
that can improve the receiving performance of the system. A digital broadcast transmitter has …

Time-varying trellis-coded modulation formats which are robust in channels with phase variations

J Hagenauer, CE Sundberg - US Patent 4,807,253, 1989 - Google Patents
There are described apparatus and methods for producing time-varying of trellis-coded
modulations, specifically, time-varying trellis-coded phase-shift-keying, to facilitate carrier …