Patents Assigned to Broadcom
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Patent number: 8849194Abstract: Methods and systems for a mesh network utilizing leaky wave antennas (LWAs) are disclosed and may include configuring one or more devices as a mesh network in a wireless device coupled to a plurality of LWAs, and communicating data between said devices via the configured mesh network. A resonant frequency of the LWAs may be configured utilizing micro-electro-mechanical systems (MEMS) deflection. A plurality of the LWAs may be configured to enable beamforming. The LWAs may comprise microstrip or coplanar waveguides, wherein a cavity height of the LWAs is dependent on spacing between conductive lines in the waveguides. The plurality of LWAs may be integrated in one or more of: integrated circuits, integrated circuit packages, and printed circuit boards. The devices may be internal to the wireless device. The data may be communicated via the mesh network to devices external to the wireless device.Type: GrantFiled: June 9, 2010Date of Patent: September 30, 2014Assignee: Broadcom CorporationInventors: Ahmadreza Rofougaran, Maryam Rofougaran
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Patent number: 8845424Abstract: A game controller with a communications interface includes a 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 produce distinct user input locations. The processing circuitry receives touch pad input from the at least one touch sensitive pad. 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 via the communications interface for use as gaming input.Type: GrantFiled: April 22, 2013Date of Patent: September 30, 2014Assignee: Broadcom CorporationInventors: David A. Sobel, Monika Gupta, Sumant Ranganathan, Pieter Vorenkamp, Jeyhan Karaoguz
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Patent number: 8847224Abstract: According to one exemplary embodiment, a fin-based bipolar junction transistor (BJT) includes a wide collector situated in a semiconductor substrate. A fin base is disposed over the wide collector. Further, a fin emitter and an epi emitter are disposed over the fin base. A narrow base-emitter junction of the fin-based BJT is formed by the fin base and the fin emitter and the epi emitter provides increased current conduction and reduced resistance for the fin-based BJT. The epi emitter can be epitaxially formed on the fin emitter and can comprise polysilicon. Furthermore, the fin base and the fin emitter can each comprise single crystal silicon.Type: GrantFiled: September 27, 2011Date of Patent: September 30, 2014Assignee: Broadcom CorporationInventors: Wei Xia, Xiangdong Chen
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Patent number: 8849214Abstract: A method and system for point-to-point wireless communications utilizing leaky wave antennas is provided. In this regard, a first device may transmit a RF signal via a leaky wave antenna, and may determine an angle between the leaky wave antenna of the first device and a leaky wave antenna of a second device by adjusting a frequency of the RF signal until a response is received from the second device. The first device may be configured based on the determined angle. A wireless connection may be established between the leaky wave antenna of the first device and the leaky wave antenna of the second device based on the configuration. The first device may generate a notification when the angle is beyond a threshold. The wireless connection may adhere to wireless USB protocols and/or Bluetooth protocols, for example. The second device may generate the response after receiving sufficient energy from the RF signal.Type: GrantFiled: June 9, 2010Date of Patent: September 30, 2014Assignee: Broadcom CorporationInventors: Ahmadreza Rofougaran, Maryam Rofougaran
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Publication number: 20140286462Abstract: Disclosed are various embodiments for reducing the amount of electromagnetic interference (EMI) that may be present in a received signal. A frequency component for the received component is generated. An EMI frequency, an EMI phase, and an EMI amplitude present in the frequency component are tracked. Cancelling data is generated responsive to the EMI frequency, the EMI phase, and the EMI amplitude present in the frequency component.Type: ApplicationFiled: April 16, 2013Publication date: September 25, 2014Applicant: Broadcom CorporationInventors: Jiangfeng Wu, John Lock Creigh
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Publication number: 20140286346Abstract: A system and method for system and method for 10/40 gigabit Ethernet multi-lane gearbox. In one embodiment, a gearbox device includes one or more inputs on a line side of the device, the one or more inputs being configured to receive four asynchronous 10 Gbit/s Ethernet channels, a marking module that is configured to insert virtual lane markers into four data flows at defined intervals to produce four marked data flows, and a 4:n physical media attachment (PMA) module that is configured to generate one or more higher-rate data flows based on the four marked data flows.Type: ApplicationFiled: March 29, 2013Publication date: September 25, 2014Applicant: Broadcom CorporationInventor: Ali Ghiasi
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Publication number: 20140286205Abstract: A duplexing method is provided that combines aspects of Frequency Division Duplex (FDD) and Time Division Duplex (TDD) methods in a network, such as a Long Term Evolution (LTE) network. The duplexing method may be implemented on an existing FDD network by replacing the FDD uplink (UL)-only radio frame with a full TDD radio frame having dynamically allocable UL and downlink (DL) sub-frames. Alternatively, the duplexing method may be implemented on an existing TDD network by adding a second frequency to pair with an existing frequency over which a FDD DL-only radio frame can be run.Type: ApplicationFiled: March 26, 2013Publication date: September 25, 2014Applicant: Broadcom CorporationInventors: Kaveh Ghaboosi, Manish Goldie Vemulapalli, Noel James Oates
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Publication number: 20140289353Abstract: A home network, in one embodiment including a home wiring system; a demarcation point unit in electrical communication with the home wiring system; and a home network module in electrical communication with the home wiring system. The home network module is adapted for connection to a home electronic device. The demarcation point unit passes data to and receives data from the home electronic device through the home network module.Type: ApplicationFiled: April 7, 2014Publication date: September 25, 2014Applicant: BROADCOM CORPORATIONInventors: Avi KLIGER, Rami KOPELMAN, Nachum AVISHAY, Alon SHTERN, Amir WASSERMANN
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Publication number: 20140286203Abstract: A wireless communication device includes communication interface configured to receive and transmit signals and a processor configured to generate and process such signals. The communication interface of the wireless communication device is configured to receive a first signal from a first other wireless communication device, and the processor of the wireless communication device is configured to process the first signal to determine one or more concurrent transmission parameters. The processor of the wireless communication device is configured to generate the second signal based on the one or more concurrent transmission parameters and direct the communication interface to transmit the second signal to a second other wireless communication device during receipt of the first signal from the first other wireless communication device. The wireless communication device may be configured to make such concurrent transmissions based on one or more considerations such as the power level of the first signal.Type: ApplicationFiled: February 27, 2014Publication date: September 25, 2014Applicant: BROADCOM CORPORATIONInventors: Nihar Jindal, Yong Liu, Matthew James Fischer, Ron Porat, Chiu Ngok Eric Wong, Vinko Erceg
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Publication number: 20140286497Abstract: Methods, systems, and apparatuses are described for improved multi-microphone source tracking and noise suppression. In multi-microphone devices and systems, frequency domain acoustic echo cancellation is performed on each microphone input, and microphone levels and sensitivity are normalized. Methods, systems, and apparatuses are also described for improved acoustic scene analysis and source tracking using steered null error transforms, on-line adaptive acoustic scene modeling, and speaker-dependent information. Switched super-directive beamforming reinforces desired audio sources and closed-form blocking matrices suppress desired audio sources based on spatial information derived from microphone pairings. Underlying statistics are tracked and used to updated filters and models. Automatic detection of single-user and multi-user scenarios, and single-channel suppression using spatial information, non-spatial information, and residual echo are also described.Type: ApplicationFiled: March 17, 2014Publication date: September 25, 2014Applicant: Broadcom CorporationInventors: Jes Thyssen, Ashutosh Pandey, Bengt J. Borgstrom, Daniele Giacobello, Juin-Hwey Chen
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Publication number: 20140289549Abstract: The discussion makes reference to methods and apparatuses for network controlled computer power down. The link layer in computer networking can be used to save power in computers.Type: ApplicationFiled: May 14, 2013Publication date: September 25, 2014Applicant: Broadcom CorporationInventors: Stephen Wilson Bailey, Karen Marie Schramm
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Publication number: 20140289775Abstract: Certain aspects of the invention may be found in a method and system for producing and delivering media content. The method may comprise establishing a personal television channel, modifying media content to produce a media program, and associating the produced media program with the established personal television channel. Metadata such as program metadata and/or primitive metadata associated with the media content may be acquired and edited. Accordingly, the acquired metadata associated with media content may be updated to reflect changes associated with modifying the media content. At least a portion of the produced media content may be displayed within the personal television channel.Type: ApplicationFiled: June 9, 2014Publication date: September 25, 2014Applicant: BROADCOM CORPORATIONInventors: Jeyhan Karaoguz, James D. Bennett
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Publication number: 20140286183Abstract: A method of managing traffic in a communications channel includes the steps of receiving a subscriber ID corresponding to a subscriber, performing a spectral analysis on a signal received from the subscriber within a time interval identified by the subscriber ID, and adjusting transmission characteristics of the subscriber based on the spectral analysis.Type: ApplicationFiled: March 24, 2014Publication date: September 25, 2014Applicant: Broadcom CorporationInventors: Jonathan S. MIN, Fang Lu, Bruce J. Currivan, Kevin Eddy
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Publication number: 20140286193Abstract: Methods and systems for establishing and/or maintaining communication cluster environments that support a plurality of communication devices. The plurality of communication devices can be configured to communicate with one another utilizing the communication cluster environment. The communication within the communication cluster environment can include device-to-device communications between two or more of the plurality of communication devices. Further, the device-to-device communications can utilizes one or more non-3GPP wireless communication protocols and/or standards.Type: ApplicationFiled: March 14, 2014Publication date: September 25, 2014Applicant: Broadcom CorporationInventors: Kaveh GHABOOSI, Manish Vemulapalli, Noel James Oates, Yuqiang Tang
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Publication number: 20140286238Abstract: A wireless communication device is configured to generate frames based on any of a number of different frame formats for transmission to one or more other recipient wireless communication devices. The frame may be implemented to include data intended for two or more recipient devices. The device encodes first data intended for a first recipient device using first one or more coding parameters and encodes second data intended for a second recipient device using second one or more coding parameters. The manner by which the first and second data have been encoded is indicated within one or more other fields within the frames based on the selected frame format. In one example, a single preamble specifies the first and second one or more coding parameters. In another example, an initial preamble and one or more respective sub-preambles specify the first and second one or more coding parameters.Type: ApplicationFiled: March 21, 2014Publication date: September 25, 2014Applicant: BROADCOM CORPORATIONInventors: Vinko Erceg, Ron Porat, Nihar Jindal, Matthew James Fischer, Yong Liu, Chiu Ngok Eric Wong
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Patent number: 8842767Abstract: Methods and systems to substantially eliminate effects of EMI burst noise in an Ethernet system are provided herein. The method includes the step of computing and storing filter coefficients configured to adapt to a range of EMI frequencies. The method further comprises the step of receiving a signal and detecting EMI and frequency of the EMI in the received signal. The method further comprises selecting filter coefficients corresponding to the determined frequency of the detected EMI and adjusting a frequency response of one or more filters using the selected filter coefficients so as to substantially eliminate effects of the EMI in the received signal. The method further includes the step of sending filter coefficients to a link partner corresponding to the frequency of the detected EMI.Type: GrantFiled: April 30, 2010Date of Patent: September 23, 2014Assignee: Broadcom CorporationInventors: Tooraj Esmailian, Scott Powell, Chung Ming Tu, KuoRuey Han, Kadir Dinc, German Feyh
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Patent number: 8842716Abstract: In an RF communication system, aspects for processing multipath clusters may comprise tracking a plurality of received clusters of signals and estimating a phase and amplitude of at least a portion of each of the plurality of received clusters of signals. Each of the plurality of received clusters of signals may be specified in time and an aggregate of received signal paths in a single cluster for a single base station may be processed. At least one cluster path processor may be assigned to process the plurality of received clusters of signals from each transmitting antenna at a single base station. At least one cluster path processor may be assigned to each of a plurality of base stations that are utilized for soft handoff.Type: GrantFiled: March 21, 2013Date of Patent: September 23, 2014Assignee: Broadcom CorporationInventors: Mark Kent, Uri M. Landau
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Patent number: 8842458Abstract: According to one disclosed embodiment, a content-addressable memory (CAM) system configured for reduced power consumption includes a sensing circuit utilized to apply a sense voltage to a matchline of the CAM system, a valid bit cell coupled to the matchline, and a power cut-off circuit configured to isolate the sense voltage from the matchline when an invalid validity state is stored in the valid bit cell, thereby reducing power consumption by the CAM system. In one embodiment, the power cut-off circuit isolates the sense voltage from the matchline by decoupling the sensing circuit from a control signal when an invalid validity state is stored in the valid bit cell.Type: GrantFiled: November 14, 2013Date of Patent: September 23, 2014Assignee: Broadcom CorporationInventors: Christopher Gronlund, Eric Hall
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Patent number: 8844022Abstract: Certain aspects of a method and system for allowing system-on-chip individual I/O control to be disabled and enabled by programmable non-volatile memory are disclosed. Aspects of one method may include mapping at least one bit of a control vector within a security processor comprising a non-volatile memory to each of a plurality of on-chip I/O physical buses. At least one of the plurality of on-chip I/O physical buses may be enabled or disabled by modifying the mapped bit or bits of the control vector.Type: GrantFiled: November 9, 2006Date of Patent: September 23, 2014Assignee: Broadcom CorporationInventors: Iue-Shuenn Chen, Xuemin Chen
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Patent number: 8841674Abstract: According to embodiments of the invention, a field transistor structure is provided. The field transistor structure includes a semiconductor substrate, a metal gate, a polycrystalline silicon (polysilicon) layer, and first and second metal portions. The polysilicon layer has first, second, third, and fourth sides and is disposed between the semiconductor substrate on the first side and the metal gate on the second side. The polysilicon layer is also disposed between the first and second metal portions on the third and fourth sides. According to some embodiments of the present invention, the field transistor structure may also include a thin metal layer disposed between the polysilicon layer and the semiconductor substrate. The thin metal layer may be electronically coupled to each of the first and second metal portions.Type: GrantFiled: June 30, 2011Date of Patent: September 23, 2014Assignee: Broadcom CorporatonInventors: Chao-Yang Lu, Guang-Jye Shiau, Akira Ito