Patents Assigned to Broadcom Corporation
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Patent number: 9357579Abstract: Methods and systems for a handheld portable communication device for configuring connection to and use of local and remote resources are disclosed and may include discovering available networks and resources, establishing a route between the handheld wireless communication device and a selected one or more of the available resources via a selected one or more of the available networks based on user preference criteria stored in the handheld wireless communication device, and communicating multimedia data between the handheld wireless communication device and the selected one or more of the available resources via the established route. The established route may be dynamically adjusted, based on network availability and bandwidth. The handheld wireless communication device may communicate utilizing a plurality of wireless protocols. The preference criteria stored in the handheld wireless communication device may be dynamically adjusted.Type: GrantFiled: May 12, 2015Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Thomas Quigley, Alexander MacInnis, Arya Behzad, Jeyhan Karaoguz, John Walley, Mark Buer
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Patent number: 9356599Abstract: A differential driver circuit includes a differential driver configured to drive an output signal based upon a positive leg pull up signal, a positive leg pull down signal, a negative leg pull up signal, and a negative leg pull down signal. A first pre-driver includes a first driver configured to receive a positive leg signal and a first voltage divider coupled to an output of the first driver and configured to produce the first pull up signal and the first pull down signal. A second pre-driver includes a second driver configured to receive a negative leg signal and a second voltage divider coupled to an output of the second driver and configured to produce the second pull up signal and the second pull down signal. The differential driver may include a positive leg and a negative leg, each having a pull up transistor and a pull down transistor.Type: GrantFiled: December 30, 2014Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Mohammed Mohsen Abdul-Salam Abdul-Latif, Wei Zhang
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Patent number: 9356593Abstract: Systems, apparatuses, and methods are provided for analog-to-digital converters (ADCs), such as successive-approximation-register (SAR) ADCs and pipelined ADCs that utilize distributed virtual-ground switching (DVS). DVS circuits and systems receive reference signal inputs that are provided to input signal buffers at the input side of the buffers via reference switches. The input signal buffers and corresponding switches are distributed into scaled replicas that each receive an analog input signal via input signal switches during a first operational phase and are connected to top plates of corresponding distributed capacitors. The bottom plates of the capacitors are sampled to provide analog input signal representations.Type: GrantFiled: April 30, 2014Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Hui Pan, Karim Abdelhalim
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Patent number: 9357332Abstract: A near field communications (NFC) device is disclosed that interacts with other NFC devices to exchange information and/or the data. The NFC device can include a plurality of secure elements each configured to store one or more card emulation instances. Each card emulation instance is associated with an application identification (AID) and a priority value. The NFC device can route communications between another NFC device and plurality of secure elements based on each card emulation instance's associated AID and priority value.Type: GrantFiled: August 17, 2012Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Wayne (Siwei) Tang, Ash Kapur, Mohamed Awad, Gan Yang, Deepak Kumar Gauba, Husein Merchant, Sherry Smith
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Patent number: 9356799Abstract: A network device located in an Ethernet ring may be operable to determine binding between a MAC address and a peer device in the Ethernet ring. The binding may indicate that the MAC address is behind the peer device. When an Ethernet ring failure occurs, the network device may be operable to update forwarding information based on a ring topology of the Ethernet ring, a position of the failure on the Ethernet ring and the binding. The forwarding information may indicate which ring port that is used on the network device to forward MAC frames to a destination corresponding to the MAC address. The network device may then forward the MAC frames based on the updated forwarding information. The Ethernet ring may utilize a VLAN frame format, a Q-in-Q frame format or a MAC-in-MAC frame format. The forwarding information may comprise a MAC table and/or a protection table.Type: GrantFiled: June 28, 2011Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventor: Shahram Davari
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Patent number: 9357080Abstract: A system performs residual echo suppression on a microphone signal that receives, e.g., voice commands, and that is exposed to echo from multiple speakers. An example is a smartphone that receives voice commands while the smartphone is playing music through stereo speakers. The system estimates residual echo level in different ways, and determines which estimate to use. The technique responds well to the difficult to handle scenario of a spatially quiescent image suddenly transitioning to a spatially rich image. Even in the face of such difficult scenarios, the system detects and removes residual echo from the microphone signal, instead of allowing the undesired residual echo to pass through.Type: GrantFiled: July 18, 2013Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Franck Pascal Beaucoup, Aleksander Radisavljevic, Wilfrid Paul LeBlanc
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Patent number: 9356711Abstract: A technique to provide calibration in a receiver that receives multiple carriers and uses multiple receive signal paths to down-convert and process the multiple carrier signals.Type: GrantFiled: May 19, 2014Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Masoud Kahrizi, Bernd Pregardier
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Patent number: 9356868Abstract: A device for performing congestion detection and management at a node of a network may include a congestion management module to monitor an arrival and a departure rate of data packets associated with a queue, a queue size, or a rate of change of the queue size. The congestion management module may identify the queue as a congested queue by one of determining that the arrival rate of the data packets associated with the queue is larger than the departure rate of the data packets associated with the queue, the queue size is larger than a first threshold, or the rate of change of the queue size is larger than a second threshold. The congestion management module may identify the congested queue as a congestion root by determining that the congested queue is not affected by a flow-control signal. A queue buffer temporarily stores data packets associated with the queue.Type: GrantFiled: October 15, 2013Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Vahid Tabatabaee, Bruce Hui Kwan
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Patent number: 9356512Abstract: A communication device, such as a smart phone, includes an envelope tracking power supply. The envelope tracking power supply is configured for direct connection to a supply voltage. The direct connection may be made without connection through an intermediate voltage regulator, such as a low drop out regulator. The supply voltage may be a relatively high battery voltage, for example, that would normally result in greater than permissible voltage limits on the transistors used in conventional envelope tracking power supplies.Type: GrantFiled: September 5, 2013Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Debopriyo Chowdhury, Ali Afsahi
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Patent number: 9355253Abstract: A media processing device, such as a set top box, having selectable hardware and software components for forming media pathways compliant with security definitions provided by downloaded or preinstalled software applications. Such applications may include, for example, a downloadable conditional access security or DRM element/definition. A corresponding certification process can entail certifying a portion of an overall secure pathway, with one or more applications providing the final portion of the certification. Alternatively, predefined conditional access mechanisms are provided, with an application establishing which mechanism is to be used. In various embodiments, a set top box or resident software application may exchange capabilities with other devices in a media consumption network to compare against the requirements of the software application.Type: GrantFiled: January 3, 2013Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Marcus C. Kellerman, Xuemin (Sherman) Chen
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Patent number: 9356700Abstract: Embodiments enable a half-duplex Time Division Duplex (TDD) mode for Ethernet Passive Optical Network (EPON) or EPON over Coax (EPoC) networks. Specifically, embodiments provide systems and methods for enabling an Optical Line Terminal (OLT)/Coaxial Line Terminal (CLT) to share a physical medium spectrum in time with the Optical Network Units (ONUs)/Coaxial Network Units (CNUs) that it services. In an embodiment, the OLT/CLT includes an EPON scheduler that can schedule downstream and upstream transmissions over the same physical medium spectrum. In another embodiment, the OLT/CLT is equipped with a burst mode transmit physical layer (PHY) module, which can be controlled by an EPON Medium Access Control (MAC) module, to transmit in burst mode over the physical medium. In a further embodiment, there is provided an ONU/CNU with a burst mode receive PHY module. The burst mode receive PHY module can maintain clock timing even with non-continuous reception from the OLT/CLT.Type: GrantFiled: May 31, 2013Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventor: Edward Boyd
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Patent number: 9356757Abstract: A wireless communication device is disclosed that includes multiple antennas capable of being used for carrier aggregation, and that uses its additional antennas to scan for available base stations without interfering with connectivity to a current base station and/or while maximizing useable bandwidth. The wireless communication device may scan using multiple of the antennas to maximize scanning results and reduce scan time, and may scan for available base stations using some of its antennas while maintaining its connection to the current base station with its other antennas. The device can also analyze control channel portions of received signals to utilize periods of signal inactivity to scan for available base stations, such as DRX or SPS modes of operation. In addition, the device can measure various parameters to optimize its scanning capabilities.Type: GrantFiled: September 28, 2012Date of Patent: May 31, 2016Assignee: Broadcom CorporationInventors: Erik Stauffer, Robert Gustav Lorenz, Kamlesh Rath
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Publication number: 20160148890Abstract: A method, system, and apparatus for improved IC device packaging is described. In an aspect, an (IC) device package includes an IC die having at one or more contact pads, each contact pad located at a corresponding hotspot on a surface of th28e IC die. The package also includes a thermally conductive interposer which is thermally coupled to the IC die at the contact pads. In another aspect, an underfill material fills a space between the IC die and the interposer. The interposer may also be electrically coupled to the IC die. In an aspect, the interposer and the IC die are coupled through thermal interconnects or “nodules.Type: ApplicationFiled: February 2, 2016Publication date: May 26, 2016Applicant: Broadcom CorporationInventors: Rezaur Rahman KHAN, Sam Ziqun ZHAO
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Publication number: 20160150554Abstract: Systems and techniques for managing the use of industrial-scientific-medical bands for cellular network communication. An apparatus comprises a processing system and a memory storing a set of program instructions. The processing system is configured to cause the apparatus to receive channel information from a UE reporting the control of an unlicensed band channel by the UE and cause the apparatus to schedule a communication session with the UE over the channel, with the channel being configured and activated as a component carrier. The apparatus may further request one or more user equipments (UEs) to report their wireless fidelity (WiFi) capability and request user equipments having WiFi capability to compete for the wireless medium and report occupation of the wireless medium in the form of a request to send command, to which the apparatus responds with a clear to send command.Type: ApplicationFiled: November 27, 2015Publication date: May 26, 2016Applicant: Broadcom CorporationInventors: Wei HONG, Na WEI, Haiming WANG, Jing HAN, Chunyan GAO, Wei BAI, Gilles CHARBIT
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Patent number: 9350520Abstract: A technique to provide a protection mechanism, when operating over a plurality of channels in one's own BSS, to help avoid components in other BSSs from interfering or generating contention conflicts to those channels during its own communication. In one embodiment, a channel reservation signal, such as a Clear-To-Send-To-Self frame, is broadcast across each of a plurality of channels in order to reserve the plurality of wireless channels for a predetermined period of time. A broadcast or multicast frame may then be transmitted during the predetermined time utilizing one or more of the reserved wireless channels.Type: GrantFiled: December 31, 2013Date of Patent: May 24, 2016Assignee: Broadcom CorporationInventors: George Dionyssios Kondylis, Chunyu Hu
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Patent number: 9349697Abstract: Embodiments described herein generally relate to connections for integrated circuit (IC) dies. For example, in an embodiment an integrated circuit (IC) die is provided. The IC die includes a plurality of clusters of pads formed on a surface of the IC die, each cluster being associated with a respective circuit formed in the IC die. Each cluster includes a plurality of micropads each electrically coupled to the circuit associated with the cluster through a respective via and a sacrificial pad coupled to the circuit through the plurality of micropads, the sacrificial pad being larger than each of the micropads.Type: GrantFiled: December 8, 2014Date of Patent: May 24, 2016Assignee: Broadcom CorporationInventors: Lynn Ooi, Sampath K. V. Karikalan
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Patent number: 9350444Abstract: A wireless communication device includes a polarity setting module configured to set a plurality of polarity modes for the wireless communication with the plurality of external devices. The plurality of polarity modes includes selected ones of at least: a first polarity mode, and a second polarity mode. The polarity setting module sets the plurality of polarity modes based on information received from the plurality of external devices. A framing module is configured to generate data for transmission to the plurality of external devices based on the plurality of polarity modes set by the polarity setting module.Type: GrantFiled: August 27, 2013Date of Patent: May 24, 2016Assignee: Broadcom CorporationInventors: Alireza Tarighat Mehrabani, Ahmadreza Rofougaran, Maryam Rofougaran
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Patent number: 9350491Abstract: A system, method and computer program product is provided for mitigating the effects of burst noise on packets transmitted in a communications system. A transmitting device applies an outer code, which may include, for example, a block code, an exclusive OR (XOR) code, or a repetition code, to one or more packets prior to adaptation of the packets for transmission over the physical (PHY) layer of the communications system, wherein the PHY layer adaptation may include FEC encoding of individual packets. The outer coded packets are then separately transmitted over a channel of the communications system. A receiving device receives the outer coded packets, performs PHY level demodulation and optional FEC decoding of the packets, and then applies outer code decoding to the outer coded packets in order to restore packets that were erased during transmission due to burst noise or other impairments on the channel.Type: GrantFiled: March 3, 2014Date of Patent: May 24, 2016Assignee: Broadcom CorporationInventors: Bruce J. Currivan, Thomas J. Kolze, Daniel H. Howard, Thomas J. Quigley, Nambi Seshadri, Thomas L. Johnson, Scott Cummings, James Harrell, Fred Bunn, Joel Danzig, Stephen Hughey
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Patent number: 9351233Abstract: Techniques for controlling and managing network access are used to enable a wireless communication device to selectively communicate with several wireless networks. A portable communication device constructed according to the invention can communicate with different networks as the device is moved through the areas of coverage supported by the different networks. As a result, the device can take advantage of services provided by a particular network when the device is within the area of coverage provided by that network. Thus, the device can selectively switch to networks that provide, for example, high speed Internet access, different quality of service, low cost service and/or different services (e.g., voice, data, multimedia, etc.). A multi-mode controller in the device may be used to alternately poll different networks to determine whether the device is within the area of coverage of a network and to selectively establish communications with those networks.Type: GrantFiled: November 14, 2008Date of Patent: May 24, 2016Assignee: Broadcom CorporationInventors: Jeyhan Karaoguz, Nambi Seshadri
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Patent number: 9350824Abstract: A social networking system offers a variety of device service and support functions via automated social network (SNET) group associations. Such functions can include, for example, device registration and warranty services, update and upgrade services, maintenance and testing services, resource utilization reporting services, cloning services, usage tutorials and user group interactions, targeted advertising, etc. In various embodiments, support services may be offered upon automated docking of a social device with a SNET group, such as a manufacturer's SNET group. Selection of available services may be automated based on device profile data. Alternatively, services may be manually selected through a user interface provided by a member device or support service. In other embodiments, all or portions of a first device may be cloned on a second device, either on a persistent or temporary basis.Type: GrantFiled: September 5, 2012Date of Patent: May 24, 2016Assignee: Broadcom CorporationInventors: Yasantha N. Rajakarunanayake, Jeyhan Karaoguz, Wael William Diab, James D. Bennett, Harry S. Tyson, Jr.