Matches 1 - 29 out of 29
Match Document Document Title
7366244 Method and system for antenna interference cancellation  
A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect....
7352824 Multilevel pulse position modulation for efficient fiber optic communication  
Decreasing the average transmitted power in an optical fiber communication channel using multilevel amplitude modulation in conjunction with Pulse Position Modulation (PPM). This multilevel PPM...
7307569 Increasing data throughput in optical fiber transmission systems  
Data throughput rates are increased in an optical fiber communication system without requiring replacement of the existing optical fiber in a link. Channel throughput is increased by upgrading the...
7215721 Method and system for decoding multilevel signals  
A multilevel optical receiver can comprise a plurality of comparators that generally correspond with the number of levels in a multilevel data stream. Each comparator can be individually controlled...
7212580 Multi-level signal clock recovery technique  
Clock recovery of a multi-level (ML) signal can be performed in a two-step process. First, the transitions within the ML signal can be detected by a novel transition detector (TD). And second, the...
7173551 Increasing data throughput in optical fiber transmission systems  
Data throughput rates are increased in an optical fiber communication system without requiring replacement of the existing optical fiber in a link. Channel throughput is increased by upgrading the...
7149256 Multilevel pulse position modulation for efficient fiber optic communication  
Decreasing the average transmitted power in an optical fiber communication channel using multilevel amplitude modulation in conjunction with Pulse Position Modulation (PPM). This multilevel PPM...
7123676 Method and system for antenna interference cancellation  
A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect....
7110484 Method and arrangement for changing parallel clock signals in a digital data transmission  
A changeover arrangement for the clock signals of parallel transmission connections of an assured data transmission link, wherein a clock signal is sent for the transmission paths by parallel...
7050388 Method and system for crosstalk cancellation  
Signals propagating in one communication channel can generate crosstalk interference in another communication channel. A crosstalk cancellation device can process the signals causing the crosstalk...
7035361 Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding  
A Signal Conditioning Filter (SCF) and a Signal Integrity Unit (SIU) address the coupled problem of equalization and noise filtering in order to improve signal fidelity for decoding. Specifically,...
EP1638243A2 Processing device with clock recovery from different sources  
The data processing unit (100) includes a controller (316) for the clock frequency recovery unit (301). This operates as a function of either the first received data stream (101) or the at least...
6816101 High-speed analog-to-digital converter using a unique gray code  
A method for high speed communications uses an inventive Q-Gray code. The Q-Gray code simplifies the hardware needed to convert analog Q-Gray code signals to digital signals. An analog-to-digital...
6389085 Receiver combiner for spatial diversity digital communications  
Apparatus for and method of processing received signals for use with multiple antenna spatial diversity receivers used in a digital communications system. The receiver has received signal phase...
5822326 Synchronizing digital audio signals  
A method and apparatus for synchronizing AES digital audio signals for switching clocks each signal into a respective buffer under control of a recovered clock from each signal. A sync detector for...
5648964 Master-slave multiplex communication system and PLL circuit applied to the system  
A sharp phase variation of a clock is suppressed when master/slave status of a first and second communication device is changed over. The first and second communication devices respectively include...
5631896 Hitless path switching apparatus and method  
A hitless path switching method without a bit loss. The same digital line signals on a working path and a protection path are continuously monitored independently for bit errors. If a bit error...
5627830 Method and apparatus for transmitting information for multiple independent users in a communication system  
An RF cellular communication system employing offset frame synchronization between cells, any cell being omni-directional or directional, such that a frame at one cell is offset by an integral...
5347535 CDMA communication system  
A CDMA communication system using a spreading code has a plurality of mobile stations and at least one base station. The mobile stations and the base station are provided with respective receiving...
5339334 Method and apparatus for diversity reception  
The disclosure relates to methods and apparatus for combining a multiplicity of diversely received replicas of a signal originating in the same remote transmitter. The disclosed methods and...
5228029 Cellular TDM communication system employing offset frame synchronization  
An RF cellular TDM communication system employing offset frame synchronization between cells, any cell being omni-directional or directional, such that a frame at one cell is offset by an integral...
5203025 Selection circuit in a space diversity reception system for a mobile receiver  
A selection system in a space diversity system of a mobile receiver combines the ultra high frequency signals after they have been frequency shifted to an intermediate frequency. The system...
5128969 Method and apparatus for diversity reception  
The disclosure relates to methods and apparatus for combining a multiplicity of diversely received replicas of a signal originating in the same remote transmitter. The disclosed methods and...
4850037 Method and circuit for receiving radio wave, especially multi-antenna diversity reception and apparatus  
For diversity reception from a plurality of antennas, particularly in an automotive vehicle (FIG. 4), the respectively received signals are mixed with a local oscillator signal to form a plurality...
4780892 Scanning frequency synchronization method and apparatus  
Using the inventive method and apparatus, two scanning sequences can be synchronized with small signal delays and at the smallest possible apparatus expense. The time differences between associated...
4744095 Diversity channel data receiver with automatic alignment over a ±3.5-bit range  
An arrangement ensuring the change-over of two channels through which the same digital information is conveyed with automatic data alignment over a ±3.5 bit range comprises for each channel an...
4663768 Diversity system of selection type equipped with a code correction/switch circuit for receiving a PSK or QAM wave carrying differentially encoded signal  
A diversity system of the selection type for correcting phase ambiguities among a plurality of differentially encoded digital signals while retaining the digital encoding of those signals. With...
4506385 Radio reception path monitor for a diversity system  
Disclosed is an antenna monitor for a diversity communication system having the capability of detecting differences in reception characteristics between a plurality of reception paths or modes and...
EP0075859A2 Title is not available  
Matches 1 - 29 out of 29