Patents Assigned to Broadcom
  • Patent number: 9084194
    Abstract: A method of improving frequency accuracy of a clock unit adapted to clock a femtocell local cellular communication home base station is provided. The method comprising: providing a local cellular communication home base station having an oscillator adapted to operate as a clock therein, wherein at least one cellular communication device is camped thereto, and wherein the at least one camped cellular communication device is further in communication with at least one neighboring cellular communication base station which is associated with an oscillator adapted to operate as a clock therein; periodically applying a derivative operator over periodically obtained local communication parameters and periodically obtained neighboring communication parameters thereby generating derivative communication parameters over time; and correcting the accuracy of the frequency of the clock in the femtocell local cellular communication home base station using the derivative communication parameters over time.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: July 14, 2015
    Assignee: BROADCOM SEMICONDUCTORS ISRAEL LTD.
    Inventors: Rafy Carmon, Yoav Volloch, Amir Appel, Sharon Levy
  • Patent number: 9084173
    Abstract: A device for handing off a wireless connection can include a receiver configured to receive a communication signal from a wireless device within a first wireless cell, a first processor configured to determine communication information regarding the first wireless cell, and a storage unit configured to store directional information regarding the first wireless cell. In addition, the device can have a transmitter configured to transmit the directional information to a wireless device located within the first wireless cell, and a second processor configured to provide wireless connection to the wireless device through the receiver and the transmitter. The second processor can Handoff the wireless connection to a second wireless cell.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventors: Jeyhan Karaoguz, Nambi Seshadri
  • Patent number: 9080875
    Abstract: An electronic device is operable to determine a Global Positioning System (GPS) mode of operation based upon accelerometer input. The electronic device includes a communications interface, a GPS receiver, an accelerometer module, and processing circuitry. The processing circuitry receives an accelerometer output from the accelerometer module and compares the accelerometer output to a plurality of acceleration signatures. Based upon the comparison, an acceleration profile is selected. A GPS mode of operation is selected for the GPS receiver based upon the acceleration profile. The acceleration profile can be selected based upon one or more types of communications being serviced by the communications interface. In one embodiment, a selected GPS mode of operation selected corresponds to a distinct operating environment.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventor: Charlie Abraham
  • Patent number: 9083986
    Abstract: For a portion of video data, a video processing device generates a plurality of compressed video bit streams comprising different bit rates, and selects one stream per portion of video data to transmit to a display device. The streams may be generated concurrently. Bit rates are determined based on operating conditions and link performance. The selections are determined dynamically in response to received information. The streams may be compressed utilizing different compression schemes, for example, DPCM and/or transform compression. The bit rates may be dynamically adjusted by adjusting compression scheme, compression parameters, frame size, frame rate, color space and/or chroma sampling. The portion of video data may comprise contiguous horizontal rows or portions of rows of pixels, a full frame and/or a scaled frame. Information is communicated to the display device for control of decompression operations. The display device receives, decompresses, reconstructs and displays the selected bit stream.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: July 14, 2015
    Assignee: BROADCOM CORPORATION
    Inventor: Alexander G. MacInnis
  • Patent number: 9083655
    Abstract: Processing techniques in a network switch help reduce latency in the delivery of data packets to a recipient. The processing techniques include internal cut-through. The internal cut-through may bypass input port buffers by directly forwarding packet data that has been received to an output port. At the output port, the packet data is buffered for processing and communication out of the switch.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventors: William Brad Matthews, Puneet Agarwal, Bruce Hui Kwan
  • Patent number: 9084139
    Abstract: A system and method is provided for intelligent bandwidth allocation in a wireless communication device supporting multiple interfaces. A wireless communications device operating in connection with a first communications interface and a second communications interface is capable of switching channels back and forth so as to receive beacons from both interfaces effectively and provide enough bandwidth for each interface for data traffic to continue without any observable interruptions.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventors: Deepak Kumar Damodaran, Sushant Kumar Mishra, Jayaraman Nagarajan, Rakesh Raman
  • Patent number: 9084012
    Abstract: A media gateway (MG) that services a plurality of client devices, may be handled at least a portion of video conferencing (VC) processing during a VC call between at least one of said plurality of client devices and at least one other VC client. The portion of the VC processing handled by the media gateway may be offloaded from a centralized VC multipoint control unit (MCU). The MG may handle one or more VC MCU functions, which may comprise video conferencing call control and/or management and/or audio/video (AV) transcoding. The MG may perform localized quality of service (QoS) management, to select, and adaptively control and/or configure resources and/or local links used in the MG and/or in VC clients or neighboring MGs connected to the MG, during VC operations, such as in generating, handling, and/or communicating data or content exchanged during VC calls.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: July 14, 2015
    Assignee: BROADCOM CORPORATION
    Inventors: Gordon Li, Xuemin Chen, Arlen Kirchoff, Jr.
  • Patent number: 9082751
    Abstract: According to one embodiment, a half-FinFET semiconductor device comprises a gate structure formed over a semiconductor body. The semiconductor body includes a source region comprised of a plurality of fins extending beyond a first side of the gate structure and a continuous drain region adjacent a second side of the gate structure opposite the plurality of fins. The continuous drain region causes the half-FinFET semiconductor device to have a reduced ON-resistance. A method for fabricating a semiconductor device having a half-FinFET structure comprises designating source and drain regions in a semiconductor body, etching the source region to produce a plurality of source fins while masking the drain region during the etching to provide a continuous drain region, thereby resulting in the half-FinFET structure having a reduced ON-resistance.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: July 14, 2015
    Assignee: BROADCOM CORPORATION
    Inventors: Xiangdong Chen, Wei Xia
  • Patent number: 9083390
    Abstract: A local oscillator circuit and a corresponding method are provided. The local oscillator circuit includes a memory connected to a processor. The memory is configured to store local oscillator parameters corresponding to a plurality of center frequencies of a frequency spectrum. The processor is configured to apply the stored LO parameters when switching the frequency spectrum for a mixed-mode spectrum communication. The local oscillator also includes a plurality of registers connected with the processor, the plurality of registers configured to control switching of the frequency spectrum.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventors: Moshe Tarrab, Ramon A. Gomez, Avi Kliger, Young Joon Shin, Dongsoo Daniel Koh
  • Patent number: 9082646
    Abstract: A semiconductor device includes a source region disposed with a semiconductor substrate; a drain region disposed with the semiconductor substrate; a gate region disposed onto the semiconductor substrate and positioned between the source region and the drain region. The semiconductor device also includes a gate oxide region disposed onto the semiconductor substrate in contact with the gate region and a well region implanted onto the semiconductor substrate and under the gate region and the gate oxide region. The gate oxide region has a lower outer edge portion that contacts the well region.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventor: Akira Ito
  • Patent number: 9083664
    Abstract: A system and method for determining a service provider set of one or more service providers to provide a service suite of one or more services in a platform (e.g., a mobile device platform) and configuring such platform to utilize such service provider set to provide such service suite to a user, substantially as shown in and/or described in connection with at least one of the figures, as set forth more completely in the claims.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventor: Jeyhan Karaoguz
  • Patent number: 9081422
    Abstract: A system and method in a television controller for providing user-selection of objects in a television program, substantially as shown in and/or described in connection with at least one of the figures, as set forth more completely in the claims.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventors: Jeyhan Karaoguz, Nambirajan Seshadri
  • Patent number: 9083081
    Abstract: An antenna assembly a spiral antenna feed and a programmable circuit. The spiral antenna feed includes a substrate, a spiral antenna element, and a feed point. The substrate has a three-dimensional hyperbolic shaped region, which supports the spiral antenna element such that the spiral antenna element has an overall shape approximating a three-dimensional hyperbolic shape. The feed point is coupled to a connection point of the spiral antenna element. The programmable circuit produces a projected artificial magnetic conductor reflector dish that reflects an inbound RF signal to the spiral antenna feed and reflects an outbound RF signal from the spiral antenna feed.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventors: Nicolaos G. Alexopoulos, Seunghwan Yoon
  • Patent number: 9081878
    Abstract: An in vivo cancer treatment system includes a plurality of bio-medical units, a communication control device, and a wireless power source device. A bio-medical unit of the plurality of bio-medical units includes a power harvesting module operable to convert a wireless power source into a supply voltage; a communication module operable to communication data, wherein the communication unit is powered by the supply voltage; and a field generation module operable to generate a type of electromagnetic field, wherein the field generation module is powered by the supply voltage. The communication control device communicates with the plurality of bio-medical units to facilitate treatment of cancer cells within the body. The wireless power source device generates the wireless power source.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 9083951
    Abstract: Various methods and systems are provided for adaptable video architectures. In one embodiment, a method for adapting video processing of a video device includes processing a video stream along a first pipeline pathway defined by a plurality of interconnected pipeline elements. In response to detecting a change in a system condition of the video device, the pipeline pathway is transitioned to a second pipeline pathway by reconfiguring at least one of the pipeline element interconnections. In another embodiment, a method includes obtaining a video stream. A first subset bitstream having a first resolution is processed in a video pipeline of a video device and video information is extracted from the video pipeline during the processing. At least a portion of the extracted video information is then to a video pipeline of the video device for processing a second subset bitstream having a second resolution higher than the first resolution.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: July 14, 2015
    Assignee: Broadcom Corporation
    Inventors: Eben Upton, Graham Veitch, Alan Morgan, James Bennett
  • Publication number: 20150195848
    Abstract: Aspects of the invention en-compass an apparatus and corresponding method and computer program product, wherein the apparatus comprises a controller, configured to cause communication via a first and at (east a second radio access technology, provide for setting of rules, which permit the apparatus to autonomously deny communication via the first radio access technology, detect a predetermined event in terms of the second radio access technology, responsive thereto, apply the rules and deny a communication via the first radio access technology, detect an occurrence of a further predetermined event in terms of the second radio access technology, while the rules prohibit to further deny a communication via the first radio access technology, decide, responsive thereto, to violate the rules and to permit to deny a further communication via the first radio access technology, and cause transmission of a violation indication to a destination of the communication via the first radio access technology.
    Type: Application
    Filed: August 6, 2012
    Publication date: July 9, 2015
    Applicant: BROADCOM CORPORATION
    Inventors: Wei Hong, Jukka Tapio Ranta, Haiming Wang, Na Wei
  • Publication number: 20150195217
    Abstract: A method, apparatus and computer program product are provided for facilitating transmission of data. A method and apparatus may detect one or more items of data that were transmitted with at least one error or unsuccessfully delivered to a device. The method and apparatus may enable retransmission of the items of data in at least one transport block. The method and apparatus may enable transmission of one or more items of new data in the at least one transport block such that a size of the new data does not exceed a variable size limit of a transport block size. The variable size limit may be dependent on one or more sizes of one or more transport blocks. The method and apparatus may determine that the variable size limit comprises a size smaller than a size of the at least one transport block.
    Type: Application
    Filed: June 27, 2013
    Publication date: July 9, 2015
    Applicant: BROADCOM CORPORATION
    Inventor: Jukka Tapio Ranta
  • Publication number: 20150195276
    Abstract: A secure processor such as a TPM generates one-time-passwords used to authenticate a communication device to a service provider. In some embodiments the TPM maintains one-time-password data and performs the one-time-password algorithm within a secure boundary associated with the TPM. In some embodiments the TPM generates one-time-password data structures and associated parent keys and manages the parent keys in the same manner it manages standard TPM keys.
    Type: Application
    Filed: March 24, 2015
    Publication date: July 9, 2015
    Applicant: Broadcom Corporation
    Inventors: Mark BUER, Douglas ALLEN
  • Publication number: 20150195030
    Abstract: A method and apparatus is disclosed to restrict the delivery of video, audio, and/or data to unauthorized end users in a satellite communications system. The satellite communications system includes one or more satellite receiving antennas, commonly referred to as a satellite dish, to receive downlink communications signals from one or more satellites. The transmission received by the one or more satellite receiving antennas is converted by an outdoor unit (ODU) for transmission to one or more indoor units (IDUs). The ODU receives control information from one or more satellites from the downlink communications signals, commonly referred to as in-band, and/or from out-of-band communications signals. The ODU may use the control information to restrict access to one or more communications channels embedded within the downlink communications signals to the unauthorized end users.
    Type: Application
    Filed: March 23, 2015
    Publication date: July 9, 2015
    Applicant: Broadcom Corporation
    Inventors: Stephen Edward KRAFFT, Leonard DAUPHINEE, Ramon Alejandro GOMEZ
  • Publication number: 20150195847
    Abstract: Aspects of a method and system for scheduling multiple concurrent transmissions during a contention access period in a wireless communications network are presented. Aspects of the system comprise communicating devices (DEVs) within a piconet that are operable to derive a neighborhood map of a piconet. The neighborhood map information may enable a plurality of DEVs to concurrently transmit signals during a given channel time allocation (CTA) time slot. The ability for multiple DEVs to transmit signals concurrently during a single CTA time slot may increase spectral reuse within a wireless communication medium. In another aspect the system, the neighborhood map information may enable individual DEVs to set clear channel assessment (CCA) thresholds. Individual DEVs may utilize CCA threshold information to determine when to transmit signals to one or more destination DEVs and/or at what rate to transmit data via the signals.
    Type: Application
    Filed: March 19, 2015
    Publication date: July 9, 2015
    Applicant: Broadcom Corporation
    Inventor: Saishankar NANDAGOPALAN