Inventor

CHEN ERNEST C

US71 patents

⚠️ This page may combine multiple inventors who share the name “CHEN ERNEST C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEN ERNEST C

DIRECTV GROUP INC

Layered modulation for digital signals

Methods and apparatuses for minimizing co-channel interference

Dual layer signal processing in a layered modulation digital signal system

Blind identification of advanced modulation and coding modes

Physical layer header scrambling in satellite broadcast systems

Tri-head KaKuKa feed for single-offset dish antenna

Shifted channel characteristics for mitigating co-channel interference

Device and method for nodal multiple access into communications channels

Equalizers for layered modulated and other signals

Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers

Method and apparatus for rapid and scalable testing of antennas

Blind identification of advanced modulation and coding modes

Maximizing power and spectral efficiencies for layered and conventional modulations

Carrier to noise ratio estimations from a received signal

Maximizing power and spectral efficiencies for layered and conventional modulations

On-line phase noise measurement for layered modulation

Feeder link configurations to support layered modulation for digital signals

Improving hierarchical 8PSK performance

Methods and apparatuses for determining scrambling codes for signal transmission

Signal, interference and noise power measurement

Unblind equalizer architecture for digital communication systems

Single-wire multiswitch and channelized RF cable test meter

Sample generation method and system for digital simulation processes

Dual layer signal processing in a layered modulation digital signal system

Methods and systems for aligning a satellite receiver dish using a smartphone or tablet device

Method and apparatus for layered modulation

Equalization for traveling wave tube amplifier nonlinearity measurements

Estimating the operating point on a non-linear traveling wave tube amplifier

Fast acquisition of timing and carrier frequency from received signal

Method and apparatus for transmitting high bandwidth signals with low bandwidth transponders

Equalizers for layered modulated and other signals

Lower complexity layered modulation signal processor

Tri-head KaKuKa feed for single-offset dish antenna

Optimization technique for layered modulation

Online output multiplexer filter measurement

Hierarchical 8PSK performance

Layered modulation for terrestrial ATSC applications

Coherent averaging for measuring traveling wave tube amplifier nonlinearity

Layered modulation for digital signals

Method and apparatus for tailoring carrier power requirements according to availability in layered modulation systems

CHEN ERNEST C

Combining transponder bandwidths for source and forward error correction encoding efficiency

Adaptive coding and modulation for spot beam satellite broadcast

Antenna peak strength finder

Maximizing power and spectral efficiencies for layered and conventional modulations

ZHOU GUANGCAI

Method and apparatus for identifying co-channel interference

Method and apparatus for identifying co-channel interference

HUGHES ELECTRONICS CORP

Method and apparatus for reducing earth station interference from non-GSO and terrestrial sources

LEE LIN-NAN

Methods and apparatuses for minimizing co-channel interference

SANTORU JOSEPH

Integrated ODU controller for antenna pointing

HUGHES AIRCRAFT CO

Doppler tracking method for object imaging from radar returns