Patents Assigned to Broadcom
  • Patent number: 7949311
    Abstract: An RF integrated circuit (IC) includes a first IC port for coupling a first transmit signal in a first frequency band to at least one external device and a second IC port for coupling a second transmit signal in a second frequency band to the at least one external device. A transmitter module responds to outbound data to generate the first transmit signal in a first mode of operation and to generate the second transmit signal in a second mode of operation, wherein the transmitter module generates the first transmit signal and the second transmit signal in a selected one of a plurality of wireless telephony formats based on a control signal, and wherein the plurality of wireless telephony formats includes a code divisional multiple access format and at least one non-code division multiple access format.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventors: Theodoros Georgantas, Konstantinos D. Vavelidis, Sofoklis Plevridis, Ilias Bouras
  • Patent number: 7948880
    Abstract: A flow control sender includes an ingress port with one or more Class Groups (CG) defined including a shared buffer pool, a shared counter per ingress port per CG tracking an amount of the shared buffer pool utilized by each CG, an ingress port utilization counter per ingress port tracking an amount of the shared buffer pool utilized by the ingress port, and a controller computing a dynamic threshold for each CG, comparing the dynamic threshold of each CG with the ingress port utilization counter, and determining a particular CG experiencing congestion when the ingress port utilization counter is greater than the dynamic threshold for the particular CG. A flow control receiver ceases transmission of data packets to the particular CG experiencing congestion and allows transmission of the data packets corresponding to other CGs.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventors: Bruce H. Kwan, Puneet Agarwal, Eugene N. Opsasnick
  • Patent number: 7949310
    Abstract: A radio transceiver device includes circuitry for radiating electromagnetic signals at a very high radio frequency both through space, as well as through wave guides that are formed within a substrate material. In one embodiment, the substrate comprises a dielectric substrate formed within a board, for example, a printed circuit board. In another embodiment of the invention, the wave guide is formed within a die of an integrated circuit radio transceiver. A plurality of transceivers with different functionality is defined. Substrate transceivers are operable to transmit through the wave guides, while local transceivers are operable to produce very short range wireless transmissions through space. A third and final transceiver is a typical wireless transceiver for communication with remote (non-local to the device) transceivers.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 7949325
    Abstract: A radio frequency (RF) transmitter includes a transmitter processing module that generates a processed signal based on outbound data, wherein the processed signal includes one of: a baseband signal and a low intermediate frequency signal. An up-conversion module up-converts the processed signal to generate an up-converted signal. A programmable filter module generates a plurality of delayed signals from the up-converted signal and that generates a filtered up-converted signal by combining the up-converted signal and the plurality of delayed signals, wherein a delayed signal of the plurality of delayed signals is scaled based on one of a plurality of coefficients, wherein the plurality of coefficients are selected based on a control signal. A radio transmitter front-end generates a transmit signal based on the filtered up-converted signal. A processing module generates the control signal to attenuate at least RF spur of the up-converted signal.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 7949366
    Abstract: A diversity receiver includes a first radio frequency (RF) receiver section receives a first inbound RF signal over a range of frequencies and generates a first amplified RF signal, wherein the first inbound RF signal includes a desired RF signal component and an undesired signal component. A second RF receiver section receives a second inbound RF signal over the range of frequencies and generates a second amplified RF signal, wherein the second inbound RF signal includes the desired signal component and the undesired signal component. A first RF cancellation module generates a desired RF signal from the desired RF signal component while attenuating the undesired signal component, based on the first amplified RF signal and the second amplified RF signal.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 7948896
    Abstract: A network device for scheduling packets in a plurality of queues. The network device includes a plurality of configurable mechanisms, each of which is configured to process information in one of a plurality of queues based on a predefined bandwidth. A scheduler services an associated one of the plurality of queues based on the predefined bandwidth. The network device also includes means for tracking whether or not the plurality of queues has exceeded a predefined threshold. If the plurality of queues has exceeded the predefined threshold, a new bandwidth allocation is calculated for each of the plurality of queues. The new bandwidth allocation replaces the predefined bandwidth and is proportional to the predefined bandwidth for each of the plurality of queues.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventor: Erik Andersen
  • Patent number: 7949297
    Abstract: A method for an antenna architecture for handling various Digital Video Broadcast (DVB) channels may be provided. The method may comprise receiving, at a first circuit, a first signal within a 850 MHz band, a 1900 MHz band and/or a 2100 MHz band, wherein the first circuit is integrated within the mobile terminal and is operably coupled to a first antenna and/or a second antenna. Second signals within the 850 MHz band, the 1900 MHz band and/or the 2100 MHz band may be received at a second circuit, wherein the second circuit is integrated within the mobile terminal and is operably coupled to the first antenna. A video broadcast signal may be received at a third circuit, wherein the third circuit is integrated within the mobile terminal and is operably coupled to a third antenna.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventor: Peter Gert Wessel vanRooyen
  • Patent number: 7949315
    Abstract: An integrated circuit (IC) includes an RF transmitter that transmits a transmit signal at a selectable transmit power based on a transmit power control signal and at a selectable data rate based on a transmit data rate signal. A processing module operates to generate the transmit power control signal and generate the transmit data rate signal based on a value of the transmit power control signal.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 7949336
    Abstract: Controlling use of a mobile network element is disclosed. An indication is received that a mobile station associated with a mobile network is attempting to access the mobile network via a base transceiver station that (1) the mobile station is not authorized to use and (2) is located within a geographic area from which the mobile station is authorized to access the mobile network. The mobile station is prevented from accessing the mobile network via the base transceiver station.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: May 24, 2011
    Assignee: Broadcom Corporation
    Inventors: Ahmed Tariq, Elliott Hoole, Yan Zhang, Donald P. Wahlstrom, Jayesh Sukumaran
  • Publication number: 20110118028
    Abstract: A game controller with a communications interface, at least one touch sensitive pad having a plurality of touch sensitive elements, and processing circuitry coupled to the communications interface and the at least one touch sensitive pad. The processing circuitry enacts touch pad configuration settings that correlate subsets of the plurality of touch sensitive elements to respective distinct user input locations. The processing circuitry receives touch pad input from the at least one touch sensitive pad. The touch pad input corresponds to a user's touch of at least some of the plurality of touch sensitive elements. The processing circuitry processes the touch pad input to determine user input directions based upon the touch pad configuration settings, and then transmits the touch pad input directions to a game console via the communications interface for use as gaming input.
    Type: Application
    Filed: October 26, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: DAVID A. SOBEL, MONIKA GUPTA, SUMANT RANGANATHAN, PIETER VORENKAMP, JEYHAN KARAOGUZ
  • Publication number: 20110115742
    Abstract: A touch sensitive pad with a plurality of touch sensitive elements and processing circuitry coupled to a communications interface and to the touch sensitive pad for scanning the plurality of touch sensitive elements to measure a plurality of touch sensitive element values. The plurality of touch sensitive element values is compared to a hovering finger threshold pattern. Upon a favorable comparison, a hovering finger condition is determined, and a position of the hovering finger in three-dimensions is detected with respect to the touch sensitive pad. The plurality of touch sensitive element values is compared to a touching finger threshold pattern. Upon a favorable comparison, a touching finger condition is determined, and a position of the touching finger is detected upon the touch sensitive pad.
    Type: Application
    Filed: November 12, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: DAVID A. SOBEL, MONIKA GUPTA, JOHN WALLEY, PIETER VORENKAMP, JEYHAN KARAOGUZ
  • Publication number: 20110115075
    Abstract: Methods, systems, and apparatuses for an integrated circuit package assembly process are provided. A wafer is received having a surface defined by a plurality of integrated circuit regions. Electrical conductors are accessible through corresponding first openings in a first passivation layer on the surface of the wafer. Solderable metal layer features are formed on the electrical conductors through the first openings. The wafer is singulated to form a plurality of flip chip dies. A plurality of package substrates is received. Each package substrate has a plurality of solder on pad (SOP) features on a respective surface. Each flip chip die is mounted to a corresponding package substrate such that each SOP feature is coupled to a corresponding solderable metal layer feature, to form a plurality of integrated circuit packages.
    Type: Application
    Filed: May 20, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: Kunzhong (Kevin) Hu, Edward Law
  • Publication number: 20110115741
    Abstract: Operating a user input device by scanning touch sensitive elements of a touch pad to measure touch sensitive element values. The touch sensitive element values are compared to a stylus input threshold pattern. Upon a favorable comparison, a stylus input condition is determined, stylus input touch pad processing settings are enacted, and a position of the stylus upon the touch pad is detected. Detection of the stylus position upon the touch pad is based upon the touch sensitive element values and the stylus input touch pad processing settings. The touch sensitive element values are compared to a touching finger threshold pattern. Upon a favorable comparison, a touching finger condition is determined, touching finger touch pad processing settings are enacted, and the touching finger's position upon the touch pad is detected based upon the touch sensitive element values.
    Type: Application
    Filed: October 26, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: BOB LUKAS, DAVID A. SOBEL, MONIKA GUPTA, SUMANT RANGANATHAN, PIETER VORENKAMP
  • Publication number: 20110118030
    Abstract: A communication device that may comprise one of a cell phone or a game controller system that further includes a game console and a pair of game controllers that communicate via a human body path. Generally, the communication device communicates by way of a touch pad array through a human body path using capacitive coupling in one embodiment of the invention. Encryption parameters and user contact information may be exchanged through the human body path. For example, a pre-shared key may be transmitted through the human body path to support subsequent encrypted wireless communications. The touch pad array may be a part of a display of the communication device but is not required to be so.
    Type: Application
    Filed: November 10, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: JOHN WALLEY, JEYHAN KARAOGUZ
  • Publication number: 20110118027
    Abstract: Operating a gaming system having a game console and a game controller by receiving touch pad input from at least one touch sensitive pad of the game controller that has a plurality of touch sensitive elements. The touch pad input corresponds to a user's touch of at least some of the plurality of touch sensitive elements. The touch pad input is at least partially processed by processing circuitry of the game controller to produce partially processed touch pad input and transmitted from the game controller to the game console via communications interfaces of the game controller and the game console. The game console processes the at least partially processed touch pad input to produce game alteration data. The at least one corresponding game operation is altered based upon the game alteration data.
    Type: Application
    Filed: October 26, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: BOB LUKAS, DAVID A. SOBEL, QIANG FU, JEYHAN KARAOGUZ, TOM W. KWAN
  • Publication number: 20110118023
    Abstract: A video game system is operable to receive user touch location information while a first user is holding a game controller and to determine a first user ID for the first user based upon the user touch location information. Thereafter, the video game system is operable to measure an instant acceleration of the game controller, to compare the instant acceleration to a first threshold value and to lock the game controller for use by the first user corresponding to the first user ID based on the comparison of the instant acceleration and the first threshold value.
    Type: Application
    Filed: September 29, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventor: QIANG FU
  • Publication number: 20110118029
    Abstract: Operating a game controller by receiving touch pad input from at least one touch sensitive pad of the game controller that has a plurality of touch sensitive elements. The touch pad input corresponds to the user's touch of at least some of the plurality of touch sensitive elements. The touch pad input is at least partially processed by processing circuitry of the game controller and the at least partially processed touch pad input is transmitted to a game console via a communications interface of the game controller for use as gaming input. At least partially processing the touch pad input can be by determining hand/foot position, changes in hand/foot position, hand grip/foot pressure, changes in hand grip/foot pressure based upon the touch pad input.
    Type: Application
    Filed: October 26, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: BOB LUKAS, DAVID A. SOBEL, QIANG FU, SUMANT RANGANATHAN, JEYHAN KARAOGUZ, TOM W. KWAN
  • Publication number: 20110117861
    Abstract: A radio frequency (RF) transceiver includes an RF transmitter that generates an outbound RF signal at a carrier frequency that is based on a transmitter local oscillation. An RF front-end receives an inbound RF signal that includes a desired signal component that is based on the outbound RF signal and that includes an undesired signal component. The RF front-end includes a first RF combiner module that attenuates the undesired signal component to produce a desired RF signal. A down conversion module generates a down converted signal from the desired RF signal based on a receiver local oscillation. A receiver processing module generates inbound data from the down converted signal. A frequency control module controls the carrier frequency, based on an interference rejection signal, to control the attenuation of the undesired signal component.
    Type: Application
    Filed: January 21, 2011
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventor: Ahmadreza (Reza) Rofougaran
  • Publication number: 20110115579
    Abstract: An integrated circuit transmission system includes a dielectric substrate wave guide and first and second substrate antennas. A substrate transmitter is operable to produce an radio frequency (RF) signal, the RF signal having first and second components. A micro-strip resonator filter module generates a filtered RF signal by adjusting phases of the first and second components of the RF signal via selection of one of a plurality of selectable tap points. A third substrate antenna generates a beam formed signal for transmission through the dielectric substrate wave guide, wherein the beam form signal is directed, via the filtered RF signal, to either the first substrate antenna or the second substrate antenna.
    Type: Application
    Filed: January 21, 2011
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventor: Ahmadreza (Reza) Rofougaran
  • Publication number: 20110115604
    Abstract: Operating a remote control to identify a user by receiving touch pad input from at least one touch sensitive element of the remote control that has a plurality of touch sensitive elements. The touch pad input corresponds to the user's touch of at least some of the plurality of touch sensitive elements. The touch pad input is at least partially processed by processing circuitry of the remote control and transmitted to a multimedia system console via a communications interface of the remote control for processing of the at least partially processed touch pad input to identify the user via pattern recognition. At least partially processing the touch pad input can be by identifying at least one finger orientation, at least one finger spacing, at least one finger width, a plurality of finger knuckle/joint locations, and/or a plurality of finger lengths based upon the touch pad input.
    Type: Application
    Filed: October 26, 2010
    Publication date: May 19, 2011
    Applicant: BROADCOM CORPORATION
    Inventors: DAVID A. SOBEL, QIANG FU, SUMANT RANGANATHAN, JOHN WALLEY, PIETER VORENKAMP, JEYHAN KARAOGUZ, TOM W. KWAN