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Patent # Description
US-7,409,196 RFIC transmit power control
An RFIC transmitter includes a digital transmit processing module, a digital to analog converter, a filter and gain module, an up-conversion module, a power...
US-7,409,194 Calibrating an RF transmitter
A method for calibrating a radio frequency (RF) transmitter begins by mixing a modulated RF signal with an in-phase (I) component of a local oscillation or a...
US-7,409,056 Switchboard for dual-rate single-band communication system
A switchboard device and methods of operation of same are disclosed. Embodiments of the invention may provide a flexible means of interconnecting wideband and...
US-7,409,014 System and method for DC offset compensation and bit synchronization
A system and method for compensating for DC offset and/or clock drift on a wireless-enabled device is described. One embodiment includes a radio module, an A/D...
US-7,409,013 Super-orthogonal space-time trellis codes, and applications thereof
A super set of orthogonal space-time block codes is combined with set partitioning to form super-orthogonal space-time trellis codes having full diversity,...
US-7,409,006 Parallel concatenated code with soft-in-soft-out interactive turbo decoder
A method for parallel concatenated (Turbo) encoding and decoding. Turbo encoders receive a sequence of input data tuples and encode them. The input sequence may...
US-7,408,979 Integrated radio circuit having multiple function I/O modules
An integrated radio circuit includes a receiver section, a transmitter section, an analog to digital converter section, a digital to analog converter section, a...
US-7,408,892 Upstream adaptive modulation in DOCSIS based applications
A system and method for providing upstream adaptive modulation. Burst parameters associated with a range of data interval usage codes (IUCs) are defined. Each of...
US-7,408,489 Method and system for mixed analog-digital automatic gain control
Aspects of the invention provide a method and system for a mixed analog-digital automatic gain control. The received analog signal is amplified by the analog...
US-7,408,407 Low noise variable gain amplifier
The present invention provides systems and methods for asymmetrically varying gain in a low noise amplifier. The amplifier includes a first stage amplifier, a...
US-7,406,650 Variable code rate and signal constellation turbo trellis coded modulation codec
Variable code rate and signal constellation turbo trellis coded modulation (TTCM) codec. The decoding can be performed on signals whose various symbols have been...
US-7,406,411 Bit error concealment methods for speech coding
A system and method of concealing bit errors in a signal are provided. An exemplary method detects bit errors in an input signal having at least a current signal...
US-7,406,344 Wireless network card with antenna selection option
A wireless network card includes an adaptable antenna connection structure that includes connections for one or more internal antennas and for one or more Radio...
US-7,406,141 Multi-band DMT receiver
There is disclosed a receiver for receiving a multi-band DMT signal. The receiver includes a plurality of demodulators, each demodulator having a discrete...
US-7,406,139 System and method to identify a modulation format of a data frame within a cellular wireless network
The modulation format of a data block (frame) received from a servicing base station by a wireless terminal in a cellular wireless communication system is...
US-7,406,136 Channel select filter and applications thereof
A channel select filter having channel equalization includes a first low pass filter stage, a gain stage, a subtraction module, and a second low pass filter...
US-7,406,119 Method and apparatus for reducing signal processing requirements for transmitting packet-based data
A receiver circuit of the modem is coupled to receive a continuous analog signal from a communication channel. This analog signal includes both packet and idle...
US-7,406,106 Method of sharing information among a plurality of stations in a frame-based communications network
A method of sharing information among a plurality of stations on a communications network, each of the stations being capable of transmitting and receiving...
US-7,405,899 Method for determining read/write head position based on phase detection of a servo pattern
A method determines RW head radial position relative to tracks within a magnetic data disc. This involves sensing both a S-burst signal and a P-burst signal with...
US-7,405,894 Frequency, phase, and gain estimation technique for use in a read channel receiver of a hard disk drive
One or more methods and systems are presented for performing gain and timing acquisition of data read from one or more data sectors of a hard disk drive. The...
US-7,405,769 Method and system for 3D comb synchronization and alignment of standard and non-standard video signals
In a method and system for 3D comb synchronization and alignment of standard and non-standard video signals, a coarse synchronization is performed on a bottom...
US-7,405,630 Frequency synthesizer with improved spurious performance
A loop filter for use in a frequency synthesizer provides improved spurious performance using switched capacitors. The loop filter includes a first switched...
US-7,405,145 Ball grid array package substrates with a modified central opening and method for making the same
An electrically and mechanically enhanced die-down tape substrate ball grid array (BGA) package substrate is described. An IC package includes a substrate that...
US-7,404,044 System and method for data transfer between multiple processors
A system and method are provided for increasing the number of processors on a single integrated circuit to a number that is larger than would typically be...
US-7,403,964 Galois field multiplier array for use within a finite field arithmetic unit
A Galois field multiplier array includes a 1.sup.st register, a 2.sup.nd register, a 3.sup.rd register, and a plurality of multiplier cells. The 1.sup.st...
US-7,403,962 Interpolation filter design and application
A method for designing an interpolation filter begins by partitioning interpolation filtering into a plurality of interpolation filtering stages that are...
US-7,403,615 Methods and apparatus for accelerating ARC4 processing
Methods and apparatus are provided for improving ARC4 processing in a cryptography engine. A multiple ported memory can be used to allow pipelined read and write...
US-7,403,579 Dual mode QAM/VSB receiver
A television receiver system capable of receiving and demodulating television signal information content that has been modulated and transmitted in accordance...
US-7,403,578 Robust burst detection and acquisition system and method
A method of parameter estimation in a shared channel communications system includes the steps of receiving a preamble including a first sequence corresponding to...
US-7,403,548 System for interfacing media access control module to small form factor pluggable module
A communication system includes a link module having a first serial interface for interfacing to a serial link. The link module also including a second serial...
US-7,403,544 VoIP WLAN conference calling via home wireless routers
A home wireless router establishes a Wireless Local Area Network (WLAN) and services a plurality of wireless terminals within the WLAN service area including at...
US-7,403,525 Efficient routing of packet data in a scalable processing resource
According to the present invention, the multiple processor device determines routing for a plurality of data segments. In determining the routing, the multiple...
US-7,403,141 Wireless local area network device supporting enhanced call functions
A wireless local area network (WLAN) transceiving integrated circuit services voice communications in a WLAN with at least one other WLAN device and includes a...
US-7,403,041 Techniques for enabling a 10BT active output impedance line driver using a low power supply
A line driver for generating 10 BT signals is disclosed. Digital symbols to be transmitted via a 10 BT Ethernet line are converted by a digital-to-analog...
US-7,402,906 Enhanced die-down ball grid array and method for making the same
An apparatus, system, and method for assembling a ball grid array (BGA) package is described. A stiffener/heat spreader is provided. A substrate has a first...
US-7,401,283 Amplifying magnitude metric of received signals during iterative decoding of LDPC (Low Density Parity Check)...
Amplifying magnitude metric of received signals during iterative decoding of LDPC code and LDPC coded modulation. By appropriately selecting a metric coefficient...
US-7,400,722 Methods and apparatus for performing hash operations in a cryptography accelerator
Methods and apparatus are provided for implementing a cryptography accelerator for performing operations such as hash operations. The cryptography accelerator...
US-7,400,643 Transmission of wide bandwidth signals in a network having legacy devices
A method for transmitting wide bandwidth signals in a network that includes legacy devices begins by determining channel bandwidth of a channel that supports the...
US-7,400,613 System and method for a generalized packet header suppression mechanism
A system and method for a generalized packet header suppression mechanism is described. This mechanism is implemented via a descriptor table. An exact copy of...
US-7,400,605 Method for determining when a communication device should rate shift or roam in a wireless environment
Methods for improving communication performance in a wireless communication system where the wireless communication system has at least one mobile wireless...
US-7,400,203 Circuit with Q-enhancement cell having feedback loop
According to an example embodiment, an amplitude feedback loop may include an RF amplifier, a detector, a comparator, and a Q-enhancement cell. In an example...
US-7,400,169 Inductor-tuned buffer circuit with improved modeling and design
According to one exemplary embodiment, an inductor-tuned buffer circuit includes at least one input transistor for receiving a time varying input signal, where...
US-7,398,452 Method and system for determining a signal quality metric in event of a CRC false positive
Certain aspects of determining a signal quality metric in event of a CRC false positive may comprise measuring an amplitude and/or phase of at least a portion of...
US-7,398,300 One shot RDMA having a 2-bit state
A system and method for managing memory resources in a system that allows remote direct access of memory. An aspect of the invention provides for automatically...
US-7,398,288 Efficient implementation of a filter
A Finite Impulse Response (FIR) filter is implemented in software on a general purpose processor in a manner which reduces the number of memory accesses as...
US-7,398,071 Loop filter with gear shift for improved fractional-N PLL settling time
An integrated circuit radio frequency (RF) transmitter includes a phase locked loop having a multi-mode loop filter that is operable to provide wide band...
US-7,397,868 Direct conversion RF transceiver for wireless communications
A single chip radio transceiver includes circuitry that enables received wideband RF signals to be down converted to base band frequencies and base band signals...
US-7,397,863 Implementation technique for linear phase equalization in multi-mode RF transmitters
The present invention implements an architecture that changes the sequence of digital processing so that equalization occurs prior to phase accumulation. A phase...
US-7,397,845 Impairment compensation sequence for communication
An impairment compensation sequence for use in a communication system susceptible to one or more potential impairments each periodic in an integer number of...
US-7,397,800 Method and system for data placement of out-of-order (OOO) TCP segments
Certain aspects of the invention provide handling out-of-order TCP segments and may include placing a first received segment in a host buffer and determining...
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