|
Match
|
Document |
Document Title |
|
|
7289424 |
Method and system for implementing a baseband compression scheme for a nonlinear multiplying up-converter for QPSK and OQPSK
A system for implementing a base band compression scheme for a nonlinear multiplying up-converter for QPSK and OQPSK includes a bit combining module, a quadrant remap module, a look-up table (LUT)...
|
|
|
7289574 |
Method of link adaptation in enhanced cellular systems to discriminate between high and low variability
To perform link adaptation at radio interfaces of an enhanced packet data cellular network the system behavior is simulated for different C/I conditions. Two sets of tables are obtained, each table...
|
|
|
7289569 |
HDTV trellis decoder architecture
A trellis decoding system for use in processing a High Definition Television signal. The trellis decoding system includes a traceback unit that identifies a sequence of antecedent trellis states in...
|
|
|
7286811 |
Local oscillator apparatus and method
A direct conversion satellite tuner is fully integrated on a common substrate. The integrated tuner receives an RF signal having a plurality of channels and down-converts a selected channel...
|
|
|
7286619 |
CDM receiver apparatus and rake synthesizer apparatus
The SIR values of multi-paths obtained by a transmission path estimator are accumulated by an integrator at very cycle of a pilot signal, an average value for sufficiently long period is calculated...
|
|
|
7283598 |
OFDM receiver apparatus
An OFDM receiver apparatus comprises a receiver to receive an OFDM signal, an estimator to estimate a distortion, a distortion compensator subjecting the sub-carrier to distortion compensation...
|
|
|
7283597 |
Receiver for real-time adjacent channel characterization
Receivers for real-time adjacent channel characterization, along with associated systems and methods, are generally provided.
|
|
|
7283596 |
PAM-4 data slicer having symmetrical offset
A PAM-4 data slicer includes first, second, and third comparators which provide first, second, and third thresholds, respectively. Each of the comparators has an offset. The first and third...
|
|
|
7280590 |
Receiver termination network and application thereof
A receiver termination network is included in a high-speed receiver that also includes a receiver analog front-end and a data recovery module. The receiver termination network includes a DC matched...
|
|
|
7280616 |
Optimizing a filter bandwidth in a digital receiver
A digital receiver comprises a quadrature zero intermediate frequency tuner supplying I and Q components to adjustable low pass analog filters. In the case of OFDM signals, a demodulator contains a...
|
|
|
7280618 |
Digital baseband receiver including a high pass filter compensation module for suppressing group delay variation distortion incurred due to analog high pass filter deficiencies
A digital baseband (DBB) radio frequency (RF) receiver includes a digital high pass filter compensation (HPFC) module used to suppress group delay variation distortion caused by using low cost...
|
|
|
7280812 |
Digital baseband receiver with DC discharge and gain control circuits
A digital baseband (DBB) receiver for receiving and processing a wireless communication signal. The DBB receiver includes at least one low noise amplifier (LNA), at least one demodulator, a direct...
|
|
|
7280615 |
Method for making a clear channel assessment in a wireless network
A method is provided for performing a clear channel assessment in a wireless network. The method involves first listening for channel energy on a wireless channel. Whatever channel energy is heard...
|
|
|
7280614 |
Synchronization and equalization device for a digital transmission system receiver
A receiver for a digital data transmission device for receiving a digital signal and comprising a free sampler physically taking samples r k of a received signal r(t) at a frequency at least equal...
|
|
|
7277500 |
Signal-processing method and a receiver
The invention relates to a method for processing a signal, in which method a sample set is formed and a set of absolute values is formed. The method includes A) arranging the elements of the...
|
|
|
7277499 |
Additive DC component detection included in an input burst signal
A method for processing an input burst signal comprising a first step for identifying an additive DC component and generating an output signal, which is representative for an estimated value of...
|
|
|
7277498 |
Mapping method of code word with QAM modulation
In the code word mapping operation of a radio communication system, mapping patterns are provided for different S/N ratios, the code word bits produced from a coder are not equally assigned to...
|
|
|
7277515 |
Receiver for block code in near-minimum phase channel
The present invention generally relates to block code transmission receiver and method, and uses the maximum likelihood theory to generate correct block signal. The receiver of the present...
|
|
|
7274755 |
Receiver
Receiver for Receiving Data Frames. According to one aspect, a receiver for receiving data frames which contain information data includes a signal input. Further, the receiver includes a data frame...
|
|
|
7274762 |
Calculation circuit for calculating a sampling phase error
A calculation circuit for calculating a sampling phase error is provided. According to one aspect, a calculation circuit includes a first delay element chain having serially connected delay...
|
|
|
7272294 |
Wireless communication system and receiving device
The present invention is to provide a wireless communication system and a receiving device each capable of restraining a circuit scale and obtaining an excellent error rate performance. In a...
|
|
|
7272768 |
Edge incremental redundancy memory structure and memory management
A system for implementing Incremental Redundancy (IR) operations in a wireless receiver includes at least one processing device, an IR processing function, and IR memory. The at least one...
|
|
|
7269204 |
Path diversity receiver apparatus and method of spectrum spread communication system
A path detector ( 100 ) provides statistics of rates at which preamble signals are detected within a predetermined time period. For a delay amount segment where the detection rate is low, the...
|
|
|
7269225 |
Serial digital signal transmission apparatus
A serial digital signal transmission apparatus can transmit HDTV digital serial signals with little jitter while utilizing the SRTS method. In the apparatus, parallel clocks are counted by an N...
|
|
|
7266158 |
Radio communication equipment and method for controlling same
A radio communication equipment is provided with a clock generating section which generate an operation clock signal for a communication permitting period in which communication with an external...
|
|
|
7265702 |
Method for converting an analog signal to multiple different phase outputs utilizing an analog-to-digital converter
A method for converting an analog signal to multiple different phase outputs with an analog-to-digital converter is provided. First, the analog signal is converted to a high-frequency datastream...
|
|
|
7266142 |
System and method for fast code phase and carrier frequency acquisition in GPS receiver
A GPS receiver acquires carrier frequency and Gold code phase using short segments of a received GPS signal. In one embodiment, a 1-ms segment of the GPS signal is transformed to the frequency...
|
|
|
7263138 |
Q-quenching super-regenerative receiver
A super-regenerative receiver uses controlled Q-quenching and may limit the resonant tank circuit amplitude by loading the tank circuit as soon as regenerative oscillation is detected. An amplitude...
|
|
|
7260158 |
Digital broadcast receiver and digital broadcast receiving method
A digital broadcast receiver capable of adequately receiving a higher-level layer service along with a lower-level layer service even if the reception CNR degrades. A demodulation decoding section...
|
|
|
7257150 |
Rake receiver and a method of providing a frequency error estimate
An input signal is mixed with a scrambling code and with an OVSF code, and then accumulated over a period of time equal to one symbol of the pilot channel before being reset. The resultant complex...
|
|
|
7257519 |
System and method for weighted correction of an eyepoint position
A method is provided for correlating imprecise source data in a local coordinate system to a precise global eyepoint position for a global coordinate system within which the local coordinate system...
|
|
|
7257757 |
Flexible accelerators for physical layer processing
Flexible, micro-coded accelerators are applied to perform physical layer processing in communications applications. The accelerators are reconfigurable and may be programmed to incorporate new...
|
|
|
7257085 |
Method and controller for data rate adaptation in wireless communication networks
A wireless communication network with improved performance and a method and controller for controlling data rate in the network are provided. The invention provides a feedforward approach to data...
|
|
|
7257168 |
Pilotless, wireless, telecommunications apparatus, systems and methods having equalization
Systems, methods and apparatus are provided for equalizing a received multicarrier wireless telecommunications data signal. The wireless signal includes data without accompanying pilot signals, and...
|
|
|
7254181 |
Transmitting apparatus and method, receiving apparatus and method, and transmitting and receiving apparatus and method
A transmitter transmits a quadrature modulated signal including transmission data as an I component and a known PN sequence as a Q component. The signal is received by a receiver which separates...
|
|
|
7254186 |
Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
The invention is directed to a system for processing an electromagnetic wave by receiving rectangular coordinate information for the electromagnetic wave; and directly converting the rectangular...
|
|
|
7254185 |
Method for recovering a digital data content in a communication system and apparatus for performing the same
A method is directed to recovering a digital data content in a communication system, wherein the digital data content has been converted into an analog signal based on a primary clock, at a...
|
|
|
7254165 |
Re-configurable decoding in modem receivers
Methods and systems provide for operating a modem receiver such as an ADSL modem receiver. As incoming data signals are received, a decoding scheme is selected from a plurality of decoding schemes...
|
|
|
7251267 |
System and method for determining a best round trip delay indicator
A system and method for determining a round trip delay (RTD) indicator for mobile telephone signals originating from a mobile unit and received at a plurality of base stations in a wireless...
|
|
|
7251294 |
System and method for concurrently demodulating and decoding multiple data streams
An architecture and method are disclosed for concurrently processing multimedia data from several satellite transponders or satellite carriers. In one embodiment, a combination of a fast Fourier...
|
|
|
7248849 |
Frequency domain training of prefilters for receivers
A prefilter is trained as follows. The frequency response B of a conditioned channel is determined without reference to the prefilter, and the frequency response W of the prefilter is computed from...
|
|
|
7248559 |
Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
A method and apparatus are provided for reducing the number of pilot symbols within a MIMO-OFDM communication system, and for improving channel estimation within such a system. For each...
|
|
|
7248653 |
Low power and high linearity receivers with reactively biased front ends
A radio frequency receiver includes an amplifier and a detector that produces a bias control signal based on a signal environment. A bias level of the amplifier is set according to the bias control...
|
|
|
7248649 |
Digital baseband receiver including a time domain compensation module for suppressing group delay variation distortion incurred due to analog low pass filter deficiencies
A digital baseband (DBB) radio frequency (RF) receiver used for receiving and processing a wireless communication signal. The DBB receiver includes a demodulator, first and second analog low pass...
|
|
|
7245655 |
Dual antenna receiver
Structures and techniques for implementing multiple-antenna configurations within a radio frequency receiver are provided. In one aspect, a modularized multi-antenna receiver is provided having...
|
|
|
7245651 |
Dual mode filter for mobile telecommunications
A dual mode filter for mobile communication may implement two disparate cellular systems such as GSM and W-CDMA. The same transceiver may be utilized to selectively receive and transmit in either...
|
|
|
7245670 |
Method for channel equalization, a receiver a channel equalizer, and a wireless communication device
The invention relates to a method for channel equalization in a receiver, in which a signal is received from a communication channel, the signal containing symbols formed of binary information by...
|
|
|
7242334 |
Wireless receiver circuit with merged ADC and filter
A CMOS hybrid analog-digital receiver core where filtering and gain functions are implemented in the digital domain. The analog portion of the receiver core includes standard circuits such as a low...
|
|
|
7242708 |
Equalized parallel interference cancellation EPIC for CDMA systems
A new multiuser detection scheme EPIC (Equalized Parallel Interference Cancellation) is disclosed. A rake receiver signal zRake output by a rake receiver is detected, which receives a spread...
|
|
|
7239431 |
System and method for recovering primary channel operation in a facsimile receiver and facsimile machine incorporating the same
A system for, and method of recovering primary channel operation in a facsimile (fax) receiver and a fax machine that incorporates the system, the method or both. In one embodiment, the system...
|