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Inventor:
Jaffe; Steven
Address:
Irvine, CA
No. of patents:
17
Patents:












Patent Number Title Of Patent Date Issued
8254475 PHY sub-channel processing August 28, 2012
Physical layer (PHY) sub-channel processing. A soft symbol decision stream is arranged into a number of sub-channels to reduce substantially the processing performed within a communication receiver on data that is not intended for that communication receiver. In other embodiments, a
8040941 Constellation-multiplexed transmitter and receiver October 18, 2011
A device of dynamic communication of information allows, on the average, non-integer bits per symbol transmission, using a compact code set or a partial response decoding receiver. A stream of selectable predetermined integer bits, e.g., k or k+1 data bits, is grouped into a selectable
7903764 Integrated burst FSK receiver March 8, 2011
An integrated burst FSK receiver is provided to receive and interpret an RF signal using FSK modulation. The integrated burst FSK receiver uses a programmable RF local oscillator to mix a received signal down to an IF range or baseband, where it is filtered and sampled for subsequent
7847864 All digital radio frequency modulator December 7, 2010
All digital RF modulator. An RF modulator, implemented using only digital techniques, obviates the need for an additional board, implemented using discrete analog components, to perform the necessary modulation to provide the RF output signal for use with a display device (television).
7751477 Communications signal transcoder July 6, 2010
Communications signal transcoder. A solution is provided to transcode a signal from a first signal type to a second signal type to ensure proper interfacing between devices that may operate using different signal types. For example, within a communication system, a first signal type
7559076 Sample rate reduction in data communication receivers July 7, 2009
Sample rate reduction in data communication receivers. Digital sampling of analog data is performed using a reduced sample rate. The reduction factor may be any number of factors including a factor that divides the sample rate by a factor of two. The reduction of the sampling frequency
7508785 Downstream time domain based adaptive modulation for DOCSIS based applications March 24, 2009
In a DOCSIS based satellite gateway data is transmitted over a single downstream channel, at different throughput rates. Data destined for each subscriber/receiver is assigned a throughput rate depending upon the downstream signal quality of that subscriber/receiver. To accomplish th
7471731 PHY sub-channel processing December 30, 2008
Physical layer (PHY) sub-channel processing. A soft symbol decision stream is arranged into a number of sub-channels to reduce substantially the processing performed within a communication receiver on data that is not intended for that communication receiver. In other embodiments, a
7440520 System and method for terrestrial high-definition television reception October 21, 2008
An adaptive receiver is disclosed for optimally receiving and processing signals. The receiver utilizes one or more memory blocks to store groups of incoming symbols. The groups of symbols are processed by a channel estimation subsystem to determine channel characteristics. The receiver
7382202 Apparatus and method to provide a local oscillator signal from a digital representation June 3, 2008
An apparatus provides a local oscillator signal based on a selected channel of an RF input signal. For example, the apparatus can set a frequency of the local oscillator signal based on the selected channel. Digital circuitry can be used to generate the local oscillator signal. For i
7266155 PHY sub-channel processing September 4, 2007
Physical layer (PHY) sub-channel processing. A soft symbol decision stream is arranged into a number of sub-channels to reduce substantially the processing performed within a communication receiver on data that is not intended for that communication receiver. In other embodiments, a
7254167 Constellation-multiplexed transmitter and receiver August 7, 2007
A device of dynamic communication of information allows, on the average, non-integer bits per symbol transmission, using a compact code set or a partial response decoding receiver. A stream of selectable predetermined integer bits, e.g., k or k+1 data bits, is grouped into a selectable
7224726 System and method for terrestrial high-definition television reception May 29, 2007
An adaptive receiver is disclosed for optimally receiving and processing signals. The receiver utilizes one or more memory blocks to store groups of incoming symbols. The groups of symbols are processed by a channel estimation subsystem to determine channel characteristics. The receiver
7154346 Apparatus and method to provide a local oscillator signal December 26, 2006
An apparatus provides a local oscillator signal based on a selected channel of an RF input signal. For example, the apparatus can set a frequency of the local oscillator signal based on the selected channel. Digital circuitry can be used to generate the local oscillator signal. For i
7139332 Quadrature receiver sampling architecture November 21, 2006
Quadrature receiver sampling architecture. A signal ADC performs analog to digital conversion for both I and Q streams. An analog MUX selects the appropriate I and the Q baseband analog input streams for input to the ADC at the appropriate time. A digital filter may also be employed to
7106388 Digital IF demodulator for video applications September 12, 2006
An integrated communications system. A substrate having a receiver disposed on the substrate for converting a received signal to an IF signal, a digital IF demodulator disposed on the substrate and coupled to the receiver for converting the IF signal to a demodulated baseband signal,
6553063 Constellation-multiplexed transmitter and receiver April 22, 2003
A device of dynamic communication of information allows, on the average, non-integer bits per symbol transmission, using a compact code set or a partial response decoding receiver. A stream of k or k+1 data bits is grouped into bit vectors which then are mapped onto corresponding signal










 
 
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