Broadcom Corporation

Avago Technologies International Sales Pte. Limited

Avago Technologies General IP (singapore) Pte. Ltd.

Avago Technologies General IP Pte, Ltd.

Shawn Ding

Mark Gonikberg

Yuan Zhuang

Hea Joung Kim

Chikan Kwan

Brima Babatunde Ibrahim

Steven Deane Hall

David Lee Recker

Brandon Bongkee Bae

Matthew James Fischer

Prasanna Desai

Sachin Gupta

Florin Baboescu

Guoxin Xie

Neeraj Poojary

Sanjay Saha

Yury Gonikberg

Sudhirkumar Prajapati

Knut Terje Hermod Odman

Asish Makkattil Ratnan

Payel Banerjee

Nethi Kashi Viswanath

Gang Lu

Hongyu Xie

Xianbo Chen

John S Walley

Kamesh Medapalli

Bijoy Bhukania

Jeyhan Karaoguz

Christopher J Hansen

Robert Hulvey

Murat Mese

Seema Butala Anand

Victor Zhodzishsky

Payam Torab Jahromi

Kameswara Rao Medapalli

Lih-Feng Tsaur

Suryakant Maharana

Srikanth Shubhakoti

Hsiao-Kai Wang

Shanshan Jiang

Daochun Liu

Surendra Babu Mandava

Saishankar Nandagopalan

Siukai Mak

Bojko F Marholev

Langford M Wasada

Raymond Hayes

Christopher Taylor Hansen

Erik John Rivard

Latha Caliaperoumal

Roy Tobin

Jun Guo

James (Weijun) Jiang

Aimin (Justin) Sang

Tae Yang

Simon (Yu) Zhang

Satya Prasad Srinivas

Aimin Sang

James Jiang

Simon Zhang

Nandagopalan Saishankar

In some aspects, the disclosure is directed to methods and systems for providing a hybrid low power, high bandwidth media transport protocol between media sinks and media sources by splitting control and synchronization commands to a low power communication interface, and media data to a high bandwidth unidirectional communication interface. Media sinks need not transmit via the high bandwidth unidirectional communication interface, reducing power consumption, which may be particularly beneficial for small devices with limited battery capacity such as wireless earbuds.

Low power high definition wireless media transport

A power-efficient, balanced, and reliable true wireless Bluetooth stereo audio solution is provided. Two audio sink devices are used to render audio content received from an audio source. One sink device is connected to the audio source via a primary link. The other sink device sniffs communication on the primary link. The two sink devices are connected via a hybrid link. In some embodiments, a token is passed dynamically between the two sink devices. The sink device that has the token acts as a primary sink device on a primary link with the source. The other sink device acts as a slave to the primary link.

Power-efficient, balanced, and reliable true wireless Bluetooth stereo audio solution

An apparatus includes multiple radio-frequency (RF) circuits, a number of Bluetooth (BT) cores and a processor. The BT cores are coupled to the plurality of RF circuits. The processor is coupled to the BT cores to control operations of the RF circuits and the BT cores. The RF circuits, the BT cores and the processor are implemented as a system on a chip (SoC). Controlling the operations of the RF circuits and the BT cores can be performed by controlling register spaces associated with the RF circuits and the BT cores.

System on a chip with multiple cores

Various methods and systems are provided for space, frequency and time domain coexistence of RF signals. In one example, among others, a communication device includes a coexistence manager capable of monitoring operating conditions of a cellular modem and a coexistence assistant capable of monitoring operating conditions of a wireless connectivity unit. The coexistence manager is capable of modifying operation of the modem and/or unit based on an operating condition change. In another example, a method includes detecting a change in antenna isolation and/or operating temperature of a FE filter, determining filtering characteristics of the FE filter based at least in part upon the change, and modifying communications of coexisting communication protocols based at least in part upon the filtering characteristics. In another example, a TX/RX configuration for coexisting communication protocols is determined and communications in a protocol is modified based at least in part upon the TX/RX configuration.

Dynamic space, frequency and time domain coexistence

In some aspects, the disclosure is directed to methods and systems for an enhanced data rate, low energy wireless communication. Devices may communicate over predetermined wireless bands such as the 2.4 GHz and 5 GHz ISM bands, using &#x3c0;/4-differential quadrature phase shift keying, with physical layer rates of 1, 2, 4, 8 Mbps or higher. Symbol timing may be at any frequency, and may be 256 ns in some implementations. In some implementations, to extend device battery life, devices may use a low latency reconnect mechanism allowing frequent hibernation or shutdown of transmitters and/or carriers.

Enhanced data rate low energy wireless communications

Various methods and systems are provided for time domain coexistence of RF signals. In one example, among others, a method includes obtaining access to a WLAN channel during a free period of a coexisting cellular connection, providing a RDG to allow another device to transmit for a duration corresponding to at least a portion of a TXOP, and receiving a transmission during the duration. In another example, a method includes obtaining access to a WLAN channel during a transmission period of a coexisting cellular connection and providing a protection frame to defer transmissions from another device for a duration corresponding to at least a portion of a TXOP. In another example, a method includes determining a shift of a BT transaction based at least in part upon a schedule of cellular communications and shifting at least a portion of the BT transaction based upon the determined shift.

Time domain coexistence of RF signals

Power-efficient, balanced, and reliable true wireless bluetooth stereo audio solution

A multi-cast multi-poll scheme for BLUETOOTH low energy (BLE) technology to be used by one or more mobile devices within a communication environment is disclosed. A broadcaster communication device comprises a transceiver that is configured to communicate with a plurality of recipient communication devices. The broadcaster communication device further comprises a controller that is configured to transmit a packet to the plurality of recipient communication devices and to receive, at predefined time intervals, responses from the plurality of recipient communication devices according to a pre-negotiated order without transmitting any additional packets.

Transmission of broadcast communication

A device implements multiple protocols that share overlapping resources. In some cases, a first operation, such as a scan, may have a resource conflict with a second operation associated with a different protocol. In some cases, determining grant normal priority level requests associated with the first operation over those at the normal priority level associated with the second operation may lead to operator-noticeable degradation in device performance. A protocol controller may request a selected portion of the first operation at a low priority level. Requesting the selected portion at the low priority level may allow the second operation to selectively override the portion of the first operation. The selective overriding of the first operation may allow for execution of the first and second operations without operator-noticeable performance degradation.

Resource sharing priority

A system and method using ANT and/or ANT+ protocols for one or more ANT and/or ANT+ applications. The system can include a Bluetooth interface and a Host Controller Interface (HCI) that are configured to process incoming and outgoing ANT and/or ANT+ messages from/to one or more ANT and/or ANT+ enabled devices. The ANT and/or ANT+ messages can be communicated to one or more ANT and/or ANT+ enabled devices utilizing a Bluetooth transceiver. The Bluetooth interface and the HCI can be configured to wrap one or more ANT and/or ANT+ messages with a header and/or to remove a header from one or more wrapped ANT and/or ANT+ messages. The header can be an HCI compatible header.

Host controller interface and messaging method for ANT applications

A 3D shutter glasses device, coupled via a wireless link to a 3D video display device, maintains a slave clock synchronized with a master clock in the display device. The clocks may comprise Bluetooth clocks. The shutter glasses receive 3D frame display information and time information referenced to the master clock that corresponds to when frames are displayed. The shutter glasses control opening and closing of left and right shutters utilizing slave clock time and the received information. The received display information comprises left, right and/or blank frame pattern information, a frame pattern time interval, a frame refresh rate and a time offset for delaying opening and/or closing of shutters. The time information indicates master clock time when frames are displayed. The shutter glasses and the display maintain synchronization when display and/or time information updates are skipped. The shutter glasses may transmit information to the display device.

Method and system for synchronizing 3D shutter glasses to a television refresh rate

Growing community of inventors

San Diego, CA, United States of America

Shawn Ding