Patents Assigned to Broadcom
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Patent number: 9471809Abstract: A broadband gateway may be used to authorize transactions associated with one or more accounts, which may be associated with a user of the broadband gateway. The transaction may be handled by the broadband gateway. The authorizations may be performed based on information associated with the accounts, whose storage may be controlled by the broadband gateway. The broadband gateway may block and/or terminate transactions failing authentication and/or validation, which may be performed based on the stored information. The transactions may be initiated within a network serviced by the broadband gateway. The transactions may also be initiated outside the serviced network. The stored information may comprise a user profile, which may comprise a plurality of settings for controlling and/or managing authorization performed by the broadband gateway. The user profiles may be configurable by users, wherein configuration may comprise initializing and/or modifying one or more of the transaction related settings.Type: GrantFiled: November 19, 2014Date of Patent: October 18, 2016Assignee: BROADCOM CORPORATIONInventors: David Garrett, Jeyhan Karaoguz, Xuemin Chen, Wael William Diab, David Lundgren, Rich Prodan
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Patent number: 9473018Abstract: A voltage multiplier circuit. The voltage multiplier circuit includes a storage element, a first transistor, a second transistor and third transistor. The storage element has a first end and a second end. The second end is coupled to a clock signal input. The first transistor has a gate coupled to a voltage node, a first terminal coupled to a supply node, and a second terminal coupled to the first end of the storage element. A second transistor has a first terminal coupled to the first end of the storage element and a second terminal coupled to the voltage output. The third transistor has a gate in communication with the clock input and a first terminal coupled to the voltage node.Type: GrantFiled: June 30, 2014Date of Patent: October 18, 2016Assignee: BROADCOM CORPORATIONInventors: Scott Savage, Stephen Greenwood, Christopher Ward, Josh Crohn
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Patent number: 9473214Abstract: Apparatus for harvesting and using power in a near field communications mode, includes a host device with operating components. A first near field communication (NFC) device is contained in the host device and is configured to be selectively coupled to one of the operating components. The first NFC device harvests energy from a second NFC device and converts the harvested energy to electrical power. The first NFC device receives information from the second NFC device and power on the operating component as a function of the information received from the second NFC device. The first NFC device transfers data to or from the operating component when the operating component is powered on. The first NFC device powers off the operating component when the transfer of data between the first NFC device and the operating component has been completed.Type: GrantFiled: April 28, 2015Date of Patent: October 18, 2016Assignee: Broadcom CorporationInventor: Mohamed Awad
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Patent number: 9472615Abstract: A fin-shaped field-effect transistor (finFET) device is provided. The finFET device includes a substrate material with a top surface and a bottom surface. The finFET device also includes a well region formed in the substrate material. The well region may include a first type of dopant. The finFET device also includes a fin structure disposed on the top surface of the substrate material. A portion of the fin structure may include the first type of dopant. The finFET device also includes an oxide material disposed on the top surface of the substrate material and adjacent to the portion of the fin structure. The finFET device also includes a first epitaxial material disposed over a portion of the fin structure. The first epitaxial material may include a second type of dopant.Type: GrantFiled: January 15, 2015Date of Patent: October 18, 2016Assignee: Broadcom CorporationInventors: Qintao Zhang, Akira Ito
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Patent number: 9474088Abstract: A method, apparatus and computer program facilitate the assignment of stations to slots of a restricted access window (RAW) to support communications between the stations and an access point. In a method for use in an access point, a broadcast message is caused to be provided to the station(s). The broadcast message includes an indication of a type of stations to access the RAW and one or more of a duration of the slot(s) in the RAW allocated to a first type of station, a duration of the RAW allocated to the first type of station, a duration of the slot(s) in the RAW allocated to a second type of station or a duration of the RAW allocated to the second type of station. The method also provides for access for one or more stations of the type that was indicated within the slots of the RAW.Type: GrantFiled: March 4, 2014Date of Patent: October 18, 2016Assignee: Broadcom CorporationInventors: Timo Kalevi Koskela, Anna Pantelidou, Juho Mikko Oskari Pirskanen
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Patent number: 9473208Abstract: A communication device is disclosed that includes an antenna circuit with coupling connections that are used interchangeably as a receive coupling connection and a transmit coupling connection for an RF signal. A driver maintains a constant voltage or a constant current on a first coupling connection of the antenna circuit based on a drive signal that includes an output voltage and an output current. A demodulator extracts modulation from the RF signal based on a fluctuating voltage or a fluctuating current on a second coupling connection of the antenna circuit.Type: GrantFiled: January 23, 2015Date of Patent: October 18, 2016Assignee: Broadcom CorporationInventor: Alastair Lefley
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Patent number: 9472485Abstract: Flip chip packages are described that include two or more thermal interface materials (TIMs). A die is mounted to a substrate by solder bumps. A first TIM is applied to the die, and has a first thermal resistance. A second TIM is applied to the die and/or the substrate, and has a second thermal resistance that is greater than the first thermal resistance. An open end of a heat spreader lid is mounted to the substrate such that the die is positioned in an enclosure formed by the heat spreader lid and substrate. The first TIM and the second TIM are each in contact with an inner surface of the heat spreader lid. A ring-shaped stiffener may surround the die and be connected between the substrate and heat spreader lid by the second TIM.Type: GrantFiled: April 23, 2015Date of Patent: October 18, 2016Assignee: Broadcom CorporationInventors: Mehdi Saeidi, Sam Ziqun Zhao
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Patent number: 9474081Abstract: Timing control procedure is needed for uplink transmissions in several communication networks. Some networks and bands have physical and regulatory limitations for obtaining timing advance value in conventional manner. One example of these limitations is disabled downlink channel in TV white spaces. The present invention provides an arrangement for obtaining timing advance value in a situation wherein the use of downlink channel is disabled.Type: GrantFiled: July 26, 2011Date of Patent: October 18, 2016Assignee: Broadcom CorporationInventors: Wei Hong, Haiming Wang, Jing Han, Na Wei, Chunyan Gao, Erlin Zeng
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Publication number: 20160302057Abstract: Subsequent association identifier (AID) update within single user, multiple user, multiple access, and/or MIMO wireless communications. Even while a given communication device maintains continuous association within a given communication system, a unique identifier associated with that particular communication device may be updated. For example, considering and implementation including an access point (AP) and a number of wireless stations (STAs), even while at least some of the STAs remain in association with the AP, the respective unique identifiers associated with one or more of those STAs may be updated (e.g., the respective AID values associated with one or more of those STAs may be updated). For example, after an initial assignment of unique identifiers associated with a group of respective communication devices within the communication network, the unique identifier associated with one or more of those respective communication devices may be updated or changed after the initial assignment.Type: ApplicationFiled: June 23, 2016Publication date: October 13, 2016Applicant: BROADCOM CORPORATIONInventor: Qi Wang
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Publication number: 20160300838Abstract: Methods of fabricating devices (e.g., FDSOI devices) having multiple threshold voltages are described. One method includes providing a first fixed charge region proximate to an interface of an insulating (e.g., buried oxide (BOX) layer) and a semiconductor substrate for a first device. The first charge region has a first configuration of fixed charges. The method also includes providing a second fixed charge region proximate to the interface of the insulating layer and the semiconductor substrate for the second device. The second charge region has a second configuration of fixed charges that is different than the first configuration.Type: ApplicationFiled: May 5, 2015Publication date: October 13, 2016Applicant: Broadcom CorporationInventors: Qintao Zhang, Aimin Xing
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Publication number: 20160300800Abstract: Integrated circuits with edge assurance structures are provided for more reliable and efficient monitoring of the die edge integrity using, for example, Automatic (or Automated) Test Equipment (ATE). The edge assurance structures can be used to test, for example, all (100%) of the production materials with virtually no extra cycle time and cost. The edge assurance structure can be located around an edge of the integrated circuit. The edge assurance structure can include a plurality of v-shaped structures that are connected to each other using a plurality of ultra-thick vias. The integrated circuit can include a pad that is coupled to the edge assurance structure. The pad can be used to measure a resistance of the edge assurance structure.Type: ApplicationFiled: April 10, 2015Publication date: October 13, 2016Applicant: Broadcom CorporationInventors: Rong ZENG, Liming TSAU
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Publication number: 20160301491Abstract: A wireless communication device (alternatively, device, WDEV, etc.) includes a processing circuitry configured to support communications with other WDEV(s) and to generate and process signals for such communications. In some examples, the device includes a communication interface and a processing circuitry, among other possible circuitries, components, elements, etc. to support communications with other WDEV(s) and to generate and process signals for such communications. A WDEV generates and transmits a first signal that includes a field that specifies an acceptable interference level (AIL) for concurrent communication for use by a first other WDEV to determine whether a transmission from the first other WDEV to a second other WDEV acceptably or unacceptably interferes with another transmission from the WDEV. Concurrent communication (e.g., from the WDEV to a third other WDEV, and from the first other WDEV to the second other WDEV) may be made when the AIL compares favorably with the AIL.Type: ApplicationFiled: June 17, 2016Publication date: October 13, 2016Applicant: BROADCOM CORPORATIONInventors: Ron Porat, Matthew James Fischer
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Patent number: 9467912Abstract: A method, apparatus, and computer program product are provided to manage handover procedures in a dual connection context. In the context of a method, a macro access point (MAP) may initiate a handover between a source and destination local area access point (LAAP) by causing a handover request to be transmitted to the destination LAAP. The method may further involve causing a handover command to be transmitted to a user equipment (UE), causing a data transfer inform message to be transmitted to the source LAAP, and receiving a UE context release message from the destination LAAP. In the context of another method, a LAAP may initiate a handover. The method may involve receiving a dual connection transfer request message from a source LAAP, receiving a dual connection transfer request acknowledge message from a destination LAAP and receiving a Path Switch Successful indication from a Mobility Management Entity.Type: GrantFiled: October 10, 2012Date of Patent: October 11, 2016Assignee: BROADCOM CORPORATIONInventors: Lili Zhang, Haiming Wang, Wei Bai, Jing Han, Pengfei Sun, Xinying Gao
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Patent number: 9467999Abstract: Systems and methods for configuring base stations in a geographic region to handle specific respective types of data traffics are provided. The configuration of the base stations can be static, semi-static, or dynamic. User devices are associated with base stations based on their data traffic requirements. By configuring each base station for a particular traffic type, each base station can handle its corresponding traffic with lower complexity and using fewer resources.Type: GrantFiled: March 11, 2014Date of Patent: October 11, 2016Assignee: Broadcom CorporationInventors: Nihar Jindal, Louay Jalloul
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Patent number: 9467522Abstract: A network device performs ingress based headroom buffering. The network device may be configured as an output queue switch and include a main packet buffer that stores packet data according to a destination egress port. The network device may implement one or more ingress buffers associated with ingress data ports in the network device. The ingress buffers may be separate from the main packet buffer. The network device may identify a flow control condition triggered by an ingress data port, such as when an amount of data stored in the main packet buffer received through the ingress data port exceeds a fill threshold. In response, the network device may send a flow control message to a link partner to cease sending network traffic through the ingress data port. The network device may store in-flight data from the link partner in an ingress buffer instead of the main packet buffer.Type: GrantFiled: September 27, 2013Date of Patent: October 11, 2016Assignee: Broadcom CorporationInventors: William Brad Matthews, Bruce Hui Kwan
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Patent number: 9465421Abstract: A single-wire interface of an application processor that communicates with another single-wire interface of a power management unit (PMU) via a control signal line. The control signal line can be a single signal path. Further, the single-wire interfaces can communicate with each other only via the control signal line. The single-wire interfaces can be utilized for the communication of pulse width modulation (PWM) control signals, current sensing, and Zero-I detection.Type: GrantFiled: June 24, 2013Date of Patent: October 11, 2016Assignee: Broadcom CorporationInventor: Eric Martin Hayes
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Patent number: 9467208Abstract: RFID apparatus includes transmission means for transmitting an RF signal; reception means for receiving a modulated RF signal; and demodulation means for demodulating a received modulated signal. The apparatus comprises generating means for generating a RF signal dependent on an incoming RF signal, the incoming RF signal being generated by different apparatus, and the apparatus is arranged to transmit the generated RF signal such that the generated RF signal interferes with the incoming RF signal. The RFID apparatus has both the means to respond to an RF reader device, in tag emulation mode, and means to function as an RF reader device, in reader mode.Type: GrantFiled: February 8, 2013Date of Patent: October 11, 2016Assignee: Broadcom Europe LimitedInventor: Glen Pitt-Pladdy
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Patent number: 9467948Abstract: Embodiments of the present invention provide systems and methods for NFC secure application support when an NFC device is executing in a battery-off or battery-low mode. In such a case, the NFC device may have enough power to execute some applications (e.g., read-only applications) but not enough power to execute others (e.g., applications that require data to be written). Embodiments of the present invention enable these lower-power applications to be executed by the NFC device even when a host communications device has no battery power.Type: GrantFiled: May 4, 2015Date of Patent: October 11, 2016Assignee: Broadcom CorporationInventor: Philip Stewart Royston
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Patent number: 9467923Abstract: Methods and systems for location-based prearranged hand-off are disclosed and may include pre-arranging hand-off of communication services with a mobile communication device (MCD) based on present and future locations of the MCD and the availability of wireless services in the locations. The MCD may include location-determining capability which may include one or more of: a global navigation satellite system, triangulation, and ultra-wideband positioning. A travel route of the MCD may be anticipated utilizing the locations. The travel route may traverse one or more wireless coverage areas and the hand-off of communication services with the MCD may be configured when the MCD is expected to enter a wireless coverage area with a desired network resource allocation, which may include one or more of: bandwidth, data transfer rate, cost, power requirements, channel conditions, quality of service, and secure communications capability.Type: GrantFiled: February 5, 2009Date of Patent: October 11, 2016Assignee: Broadcom CorporationInventor: Jeyhan Karaoguz
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Patent number: 9467866Abstract: In one embodiment information is received from one or more wireless networks indicating a request for a listen before transmit mode or a non-listen before transmit mode. In reply it is determined whether the one or more wireless networks is to utilize the listen before transmit mode or the non-listen in an unlicensed frequency band and the one or more wireless networks are informed of the determined mode. Centralized control of spectrum for coexistence of wireless communication systems in unlicensed bands according to exemplary embodiments of the invention can be performed by an enhanced coexistence manager or a network access node with information obtained from one or more base stations or user equipment.Type: GrantFiled: December 15, 2011Date of Patent: October 11, 2016Assignee: BROADCOM CORPORATIONInventors: Xinying Gao, Na Wei, Haiming Wang, Juho Mikko Oskari Pirskanen