Assignee
ALCATEL TELSPACE
FR46 patents
Top patents by PatentIndex Score
US5929703AJul 27, 1999
Method and device for modeling AM-AM and AM-PM characteristics of an amplifier, and corresponding predistortion method
ALCATEL TELSPACE59 citations95
US5760645AJun 2, 1998
Demodulator stage for direct demodulation of a phase quadrature modulated signal and receiver including a demodulator stage of this kind
ALCATEL TELSPACE108 citations95
US5490176AFeb 6, 1996
Detecting false-locking and coherent digital demodulation using the same
ALCATEL TELSPACE139 citations95
US5416803AMay 16, 1995
Process for digital transmission and direct conversion receiver
ALCATEL TELSPACE143 citations95
US6195396B1Feb 27, 2001
Encoding/decoding system using 16-QAM modulation encoded in multi-level blocks
ALCATEL TELSPACE60 citations93
US5675585AOct 7, 1997
Method and system for interleaving and deinterleaving SDH frames
ALCATEL TELSPACE136 citations91
US5550521AAug 27, 1996
Electrical ground connection between a coaxial connector and a microwave circuit bottom plate
ALCATEL TELSPACE132 citations91
US5285482AFeb 8, 1994
Timing recovery device for receiver installation using adaptive equalization and oversampling associated with differentially coherent demodulation
ALCATEL TELSPACE58 citations91
US5732114AMar 24, 1998
Method of detecting reference symbols for a digital data receiver
ALCATEL TELSPACE33 citations90
US5705958AJan 6, 1998
Apparatus for correcting quadrature error in a modulator and/or in a demodulator for a signal having a plurality of phase states, a corresponding transmitter, and a corresponding receiver
ALCATEL TELSPACE20 citations90
US5943380AAug 24, 1999
Robust phase estimator and recoverer for digital signals affected in particular by phase jitter
ALCATEL TELSPACE39 citations88
US5508884AApr 16, 1996
System for dissipating heat energy generated by an electronic component and sealed enclosure used in a system of this kind
ALCATEL TELSPACE65 citations88
US6108373AAug 22, 2000
Process and device for detecting loss of carrier recovery and of determining the Eb/No ratio of a digital transmission link
ALCATEL TELSPACE27 citations86
US5307236AApr 26, 1994
Heatsink for contact with multiple electronic components mounted on a circuit board
ALCATEL TELSPACE99 citations86
US6175600B1Jan 16, 2001
System for detecting the presence of a digital signal carrier wave, and a receiver including such a system
ALCATEL TELSPACE30 citations84
US5901174AMay 4, 1999
Equalizer-combiner for diversity receiver, receiver incorporating same and corresponding diversity reception method
ALCATEL TELSPACE17 citations84
US5875214AFeb 23, 1999
Device for initializing a viterbi decoder in a receiver for signals transmitted in the form of bursts, corresponding receiver and corresponding initialization method
ALCATEL TELSPACE36 citations84
US5663691ASep 2, 1997
Estimator for estimating an operating defect in a quadrature modulator, and a modulation stage using the estimator
ALCATEL TELSPACE22 citations84
US5533050AJul 2, 1996
System for receiving a phase and amplitude modulated digital signal
ALCATEL TELSPACE22 citations84
US5822384AOct 13, 1998
Search method for acquisition of time synchronization between a spreading sequence of a receiver and that of a transmitter
ALCATEL TELSPACE17 citations82
US5546423AAug 13, 1996
Spread spectrum digital transmission system using low-frequency pseudorandom encoding of the wanted information and spectrum spreading and compression method used in a system of this kind
ALCATEL TELSPACE19 citations80
US5195710AMar 23, 1993
Three-dimensional fixing device
ALCATEL TELSPACE22 citations80
US5729240AMar 17, 1998
Method of controlling a non-geostationary satellite antenna positioner
ALCATEL TELSPACE15 citations72
US5757834AMay 26, 1998
Device for synchronizing branches of a Viterbi decoder included in a multidimensional trellis coded digital data receiver
ALCATEL TELSPACE11 citations70
US5495510AFeb 27, 1996
Phase synchronization device integrated into the demodulator stage of a receiver of multi-phase modulator signals
ALCATEL TELSPACE14 citations69
US5572553ANov 5, 1996
Digital apparatus for broadband carrier-recovery
ALCATEL TELSPACE12 citations68
US5359599AOct 25, 1994
Interface for inserting a set of equipments interconnected by a telecommunication network into a management system for said equipments
ALCATEL TELSPACE7 citations66
US5555547ASep 10, 1996
Convolutional coding and viterbi decoding system transparent to phase skips of π and π/2, with applications in TDMA transmission
ALCATEL TELSPACE17 citations63
US5438594AAug 1, 1995
Device for demodulating digital signals modulated by an alternating modulation constellation technique
ALCATEL TELSPACE13 citations63
US5138272AAug 11, 1992
Microwave demodulator for digital radio links using qam type modulation
ALCATEL TELSPACE10 citations63
US5801606ASep 1, 1998
Pseudo-elliptical filter for the millimeter band using waveguide technology
ALCATEL TELSPACE5 citations60
US5691672ANov 25, 1997
Magnetic coupling device between a TEM line main conductor and a waveguide forming a λg/2 resonator
ALCATEL TELSPACE2 citations60
US5548618AAug 20, 1996
Device for detecting BPSK modulated singular words suitable for a TDMA analog modem and detection method used therein
ALCATEL TELSPACE18 citations60
US5337331AAug 9, 1994
Method of coherent demodulation for phase shift keying and a device for implementing the method
ALCATEL TELSPACE5 citations60
US5313497AMay 17, 1994
Method of detecting a disturbing signal for a digital data demodulator, and apparatus implementing such a method
ALCATEL TELSPACE6 citations60
US5278867AJan 11, 1994
Receiver system for processing signals received on diversity channels
ALCATEL TELSPACE4 citations60
US5937021AAug 10, 1999
Digital phase-locked loop for clock recovery
ALCATEL TELSPACE5 citations59
US5537406AJul 16, 1996
Traffic station, method and system for transmitting data by satellite between telephone switching centers
ALCATEL TELSPACE11 citations59
US6018645AJan 25, 2000
Method of changing the supervisor program installed in a receiver station for receiving a radio beam, a corresponding receiver station, and a corresponding radio data-transmission system
ALCATEL TELSPACE9 citations58
US5357503AOct 18, 1994
Dynamic management system for a set of equipments interconnected by a telecommunication network
ALCATEL TELSPACE6 citations55
US5677932AOct 14, 1997
Baseband estimator for estimating the amplitude/frequency characteristic of a multiphase signal
ALCATEL TELSPACE5 citations53
US5369673ANov 29, 1994
Framed digital signal regenerator suitable for microwave digital transmission installations
ALCATEL TELSPACE1 citations52
US5940410AAug 17, 1999
Method of transmitting data reliably over N normal channels, and over at least one back-up channel, and a transmit end station, a receive end station, and a relay station corresponding to the method
ALCATEL TELSPACE3 citations50
US5423069AJun 6, 1995
Method of allocating carrier frequencies for transmission within a transmission network, in particular in tactical network
ALCATEL TELSPACE1 citations41
US5381118AJan 10, 1995
Dual-mode cavity filter having input and output coupling irises
ALCATEL TELSPACE0 citations39
US5408460AApr 18, 1995
Device for processing signals in the form of packets
ALCATEL TELSPACE0 citations38