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Assignee: Broadcom Corporation


Location: irvine, CA
No. of patents: 650

1                      
NumberTitleIssue Date
7681214Outer code covered synchronous code division multiple access for cable modem channels
Outer code covered synchronous code division multiple access for cable modem (CM) channels. Outer pseudo-noise (PN) code is employed, along with orthogonal codes (OCs), to spread CM signals thereby mitigating inter-code-interference (ICI) effects caused by residual ...
03/16/2010
7681065Method and system for a message processor switch for performing incremental redundancy in edge compliant terminals
Certain embodiments of the invention may be found in a method and system for processing messages. Aspects of the method may comprise receiving at least one signal on a chip that controls switching from a core processor to a DSP. At least a first bus that couples the...
03/16/2010
7681043System and method for configuring device features via programmable memory
Systems and methods that may configure features or functions of a device, such as a set top box, for example, using a chip are provided. The chip may include a processor and a memory array. The memory array may include a non-volatile memory and may be in communicati...
03/16/2010
7681007Automatic expansion of hard disk drive capacity in a storage device
At least a method and system of automatically expanding storage capacity in a data storage device are presented. In one method, the data storage device receives additional hard disk drives. Next, the data storage device receives an expansion option from a user by wa...
03/16/2010
7680494Servicing of wireless terminal print job by unsupported printer
A wireless terminal having processing resources, a user interface including a user input device and a display, and a wireless interface causes a file to be printed to a destination printer that is unsupported by the wireless terminal. The processing resources commun...
03/16/2010
7680493Low phase noise testing system utilizing a crystal filter
According to one embodiment, a low phase noise testing system includes a tester providing a high phase noise digital channel output. The low phase noise testing system further includes a crystal filter configured to receive the digital channel output and to pass a n...
03/16/2010
7680465Sound enhancement for audio devices based on user-specific audio processing parameters
Various embodiments are disclosed relating to sound enhancement for wireless audio devices. A technique may include determining one or more user-specific audio processing parameters, receiving an RF signal from a first wireless device, demodulating the received RF s...
03/16/2010
7680227Method and system for filter calibration using fractional-N frequency synthesized signals
A method and system for filter calibration using fractional-N frequency synthesized signals are presented. The method may include generating an Local Oscillator (LO) signal by a Phase Locked Loop (PLL) circuit within a chip. A reference signal may be generated based...
03/16/2010
7680205Method and system for transmitter beamforming for reduced complexity multiple input multiple output (MIMO) transceivers
Aspects of a method and system for transmitter beamforming for reduced complexity multiple input multiple output (MIMO) transceivers are presented. Aspects of the system may include a MIMO transmitter that computes a channel estimate matrix and decomposes the comput...
03/16/2010
7680177Adaptive unbiased least square (LS) algorithm for mitigating interference for CDMA down link and other applications
A multipath wireless communication is processed to recover a transmitted data signal without performing a direct matrix inversion (DMI). First, the multipath wireless communication is received. Then HHH and HHH values associated with the multip...
03/16/2010
7680140Systems including packet interfaces, switches, and packet DMA circuits for splitting and merging packet streams
An integrated circuit includes receive circuits for receiving packets, transmit circuits for transmitting packets, a packet DMA circuit for communicating packets to and from a memory controller, and a switch for selectively coupling the receive circuits to transmit ...
03/16/2010
7680133Simulcasting or multicasting of multimedia call sessions in a LAN/WLAN/PAN via a broadband access gateway
A method and system for simulcasting multimedia information via a broadband access gateway and a wireless wide area network, is disclosed. An access device such as, for example, a mobile multimedia handset engaged in a call served by a wireless wide area network may...
03/16/2010
7680107High speed trunking in a network device
A network device for selecting a port from a trunk group on which to transmit a multicast packet. The network device includes at least one trunk group including a plurality of physical ports. The network device is connected to at least one other network device by a ...
03/16/2010
7680083Rake receiver architecture within a WCDMA terminal
A baseband processing module includes an RX interface, a rake receiver combiner module, and may include additional components. The RX interface receives the baseband signals from an RF front end and creates baseband RX signal samples there from. The rake receiver co...
03/16/2010
7680059Multiple protocol wireless communications in a WLAN
A method for multiple protocol wireless communications begins by determining protocols of wireless communication devices within a proximal region. The method then continues by determining whether the protocols of the wireless communication devices within the proxima...
03/16/2010
7680042Generic on-chip homing and resident, real-time bit exact tests
Details of media encoding and decoding devices which support generic homing sequences, and methods for operating such devices are disclosed. The use of generic homing sequences may permit an embodiment of the disclosed invention to support real-time, bit-exact testi...
03/16/2010
7679878Capacitor sharing surge protection circuit
A capacitor sharing surge protection circuit for protecting multiple ports from harmful energy surges, such as electrostatic discharge (ESD) and cable discharge events (CDE), is provided. The protection circuit includes a plurality of diodes with respective cathodes...
03/16/2010
7679629Methods and systems for constraining a video signal
Systems and methods for filtering to comply with copy-protection regulations set forth for HDTV signals by the Motion Picture Association of America (“MPAA”) are presented. A copy-protection filter constrains the resolution of the HDTV signal when copy-protectio...
03/16/2010
7679514Multi-mode RFID tag architecture
A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the ...
03/16/2010
7679449Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion
Aspects of a method and system for a highly efficient power amplifier (PA) utilizing dynamic biasing and predistortion are presented. Aspects of the system may include a processor that enables computation of a value of a variable bias component of a bias current bas...
03/16/2010
7679431Low flicker noise mixer and buffer
Low flicker noise mixer and buffer. This design employs some native metal oxide semiconductor field-effect transistors (MOSFETs) (e.g., having no threshold voltage) within a passive mixer whose gates are driven using clock signals. These native MOSFETs maybe biased ...
03/16/2010
7676533System for executing SIMD instruction for real/complex FFT conversion
An FFT conversion instruction based on a single instruction multiple data (“SIMD”) technique is executed to reduce the number of cycles for software to perform conversion processing used in an FFT computation. In an embodiment, the FFT conversion instruction imp...
03/09/2010
7676241Access point and terminal wireless transmission power control based on point to point parameter exchanges
A wireless access point and multiple wireless terminals exchange point-to-point transmission power control parameters. The wireless access point gathers parameters based on transmissions received from each of the wireless terminals. Each wireless terminal gathers pa...
03/09/2010
7676198Spread spectrum transceiver module utilizing multiple mode transmission
A data transceiver module for digital data communications in a portable hand-held data terminal has multiple data spread spectrum modes which include direct sequence and frequency function modulation algorithms. The transceiver module has multiple user or program co...
03/09/2010
7676158Method and system for optimum channel equalization from a SerDes to an optical module
Certain aspects of a method and system for optimum channel equalization between a host Serializer-Deserializer (SerDes) and an optical module may compensate and reduce dispersion loss along an electrical transmit path of a transmitter and an optical transmit path co...
03/09/2010
7676107Method and system for video classification
Described herein is a method and system for video classification. The method and system can use predetermined color ranges to classify a video block. On a relative basis, a greater number of bits can be allocated to perceptually important video data such as skin. Th...
03/09/2010
7675938Flexible upstream PHY burst profile parameters to improve performance of short bursts in impulse noise
A single carrier cable modem can be initialized on multiple channels. By initializing a cable modem on more than one channel, the error rate performance of short data packets in cable modems in an impulsive noise environment is improved. The advantage of low symbol ...
03/09/2010
7675924Gigabit switch on chip architecture
A data switch for network communications includes a first data port interface and a second data port interface is provided supporting at least one data port transmitting and receiving data. A CPU interface is provided, with the CPU interface configured to communicat...
03/09/2010
7675883Wireless local area network channel resource management
A wired Local Area Network (wired LAN) and a plurality of Wireless Access Points (WAPs) coupled to a wired network infrastructure of the wired LAN service wireless packetized communications for a plurality of Wireless Local Area Network (WLAN) clients. A multi-layer...
03/09/2010
7675872System, method, and apparatus for displaying pictures
Presented herein are systems, methods, and apparatus for displaying pictures. In one embodiment, there is presented a decoder system for decoding video data. The decoder system comprises a port and a transport processor. The port receives packets carrying encoded vi...
03/09/2010
7675269Circuit and method for battery charging and discharging protection
A method to detect the presence of battery protection circuits in any battery powered product. The major advantage of the method is to make the battery voltage very smooth during the charging process. The proposed circuit can give a good prediction of protection swi...
03/09/2010
7675138On-chip capacitor structure
A first capacitor is formed on a substrate and connected to a first differential node of a differential circuit, and a second capacitor is formed on the substrate and connected to a second differential node of the differential circuit. A third capacitor is connected...
03/09/2010
7673192System and method of uncorrelated code hopping in a communications system
A system and method are used to provide uncorrelated code hopping in a communications system. A multi-bit linear shift register receives data and clocks the data fifteen times. A word assembler receives the shifted data and outputs a fifteen bit word. A mixer mixes ...
03/02/2010
7673010Multi user client terminals operable to support network communications
A network infrastructure operable to support the exchange of communications, such as voice communications, between a first client terminal having a first user identifier and a second (destination) client terminal associated with a second user identifier (handle). Th...
03/02/2010
7672800Method and system for controlling a delay circuit for generation of signals up to extremely high frequencies
Aspects of a method and system for generation of signals up to extremely high frequencies using a delay circuit are provided. In this regard, a variable delay circuit may be adjusted such that an output signal generated by the delay circuit may be twice the frequenc...
03/02/2010
7672674Remote radio data communication system with data rate switching
Systems and methods that provide wireless communications are provided. One or more of the systems and methods may include, for example, selecting a lower data rate or a higher data rate based upon at least an evaluation of the operating conditions of a radio network...
03/02/2010
7672404Method and apparatus for reducing the time required to acquire a GPS signal
A method of correlating a digital communications signal is described. In an example, a window is defined equal to a portion of an epoch of the digital communication signal. The digital communication signal is then correlated across the window. A determination is mad...
03/02/2010
7672358Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference
A method and apparatus for selecting a signal processing resolution. A received signal is processed using a first resolution. When a multipath condition is detected, the signal is processed using a second resolution. ...
03/02/2010
7672340Built-in-self test for high-speed serial bit stream multiplexing and demultiplexing chip set
A bit stream multiplexer includes an input ordering block, a plurality of multiplexers, an output ordering block, and a Pseudo Random Bit Stream (PRBS) function. The input ordering block is operates to receive a first plurality of transmit bit streams at a first bit...
03/02/2010
7672274Mobility support via routing
A communication system is described. In one embodiment, the communication system comprises a mobile station having a transmitter to transmit packets wirelessly according to a protocol and multiple repeaters communicably coupled with the mobile station. Each of the p...
03/02/2010
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