Patents by Inventor Brima Babatunde Ibrahim
Brima Babatunde Ibrahim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20160156490Abstract: A device implementing a distributed dynamic configuration of a scalable radio frequency communication system includes a primary radio frequency (RF) integrated circuit (RFIC) and at least one secondary RFIC. The primary RFIC includes at least one phase shifter, and the primary RFIC may be configured to apply a first phase shift to an RF signal using the at least one first phase shifter, and to transmit the RF signal to at least one secondary RFIC. The at least one secondary RFIC includes at least one second phase shifter, and the at least one secondary RFIC may be configured to apply a second phase shift to the RF signal using the at least one second phase shifter, and to transmit the RF signal via at least one antenna element. The first and second phase shifts may be received by the primary RFIC from a baseband processor.Type: ApplicationFiled: November 25, 2015Publication date: June 2, 2016Inventors: Alireza TARIGHAT MEHRABANI, Payam TORAB JAHROMI, Brima Babatunde IBRAHIM
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Publication number: 20160150591Abstract: A system implementing switching diversity in a scalable radio frequency communication system includes a primary radio frequency integrated circuit (RFIC), a first secondary RFIC, and a second secondary RFIC. The first secondary RFIC is configured to receive a radio frequency (RF) signal from a device via antenna elements based on a first beam setting, and transmit the RF signal to the primary RFIC. The primary RFIC is configured to receive the RF signal; downconvert the RF signal to an intermediate frequency (IF) signal; transmit the IF signal to a baseband processor; receive, from the baseband processor, a control signal including a second beam setting; and transmit the control signal to the second secondary RFIC. The second secondary RFIC is configured to receive the control signal from the first primary RFIC, and receive the first RF signal from the device via second antenna elements based on the second beam setting.Type: ApplicationFiled: November 25, 2015Publication date: May 26, 2016Inventors: Alireza TARIGHAT MEHRABANI, Payam TORAB JAHROMI, Brima Babatunde IBRAHIM
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Publication number: 20160150542Abstract: A device implementing the subject scalable radio frequency communication system includes one or more primary radio frequency integrated circuits (RFICs) and at least one secondary RFIC. Each of the one or more primary RFICs is configured to receive an intermediate frequency (IF) signal from a baseband processor, upconvert the IF signal to a radio frequency (RF) signal, and transmit the RF signal to one or more secondary RFICs. The secondary RFICs under each of the one or more primary RFICs are configured to receive the RF signal from the corresponding primary RFIC, phase shift and amplify the RF signal, and transmit the RF signal via a plurality of antenna elements.Type: ApplicationFiled: November 25, 2015Publication date: May 26, 2016Inventors: Alireza TARIGHAT MEHRABANI, Michael BOERS, Masoud KAHRIZI, Tirdad SOWLATI, Bagher AFSHAR, Payam TORAB JAHROMI, Sean Timothy NICOLSON, Brima Babatunde IBRAHIM
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Publication number: 20150245372Abstract: Certain embodiments of the invention may be found in a method and system for antenna and radio front-end topologies for a system-on-a-chip (SOC) device that combines Bluetooth and IEEE 802.11 b/g WLAN technologies. A single chip radio device that supports WLAN and Bluetooth technologies receives a WLAN signal in a WLAN processing circuitry of the radio front-end and in a Bluetooth processing circuitry of the radio front-end. Signals generated by the WLAN processing circuitry and the Bluetooth processing circuitry from the received WLAN signal may be combined in a diversity combiner that utilizes selection diversity gain combining or maximal ratio combining (MRC). When a generated signal is below a threshold value, the signal may be dropped from the combining operation. A single antenna usage model may be utilized with the single chip radio device front-end topology to support WLAN and Bluetooth communications.Type: ApplicationFiled: May 8, 2015Publication date: August 27, 2015Inventors: Prasanna DESAI, Brima Babatunde IBRAHIM
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Patent number: 9037165Abstract: The location or changes in location of a communications device may be determined by various means, such as via a satellite navigation system, within the communications device. The location of the communications device may then be used to determine communication standard parameters needed for operation. Different countries may require different parameters for various applications, such as digital video broadcasting (DVB) and/or Bluetooth communication. The communications device may then configure itself to use the appropriate parameters for operation using the determined standards. The configuration information may be stored in the communications device. The communications device may comprise at least one radio wireless communication that may need to be updated. The wireless communication may comprise cellular communication, Internet access, and reception of audio and/or video broadcasts, where the audio/video broadcasts may be analog and/or digital.Type: GrantFiled: February 25, 2014Date of Patent: May 19, 2015Assignee: Broadcom CorporationInventor: Brima Babatunde Ibrahim
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Patent number: 8874034Abstract: Aspects of the invention may comprise managing operations of BLE interfaces and/or other radio interfaces in a wireless device to mitigate interference to communication via the BLE interfaces by the other radio interfaces. Operating parameters may be communicated between the BLE interfaces and the other radio interfaces to enable mitigating the interference to the BLE interfaces, and at least some of the BLE interfaces and/or the other radio interfaces may be configured based on the communicated operating parameters. The operating parameters may comprise adaptive frequency hopping (AFH) maps that may be adjusted to prevent use of common and/or used channels. The communication device may detect energy associated with BLE communication via scan of all or some of channels used for BLE communication. BLE communication may be predicted based on monitoring of frequency bands used during BLE communication, and/or monitoring of events that may trigger and/or occur during BLE communication.Type: GrantFiled: November 10, 2008Date of Patent: October 28, 2014Assignee: Broadcom CorporationInventors: John S. Walley, Brima Babatunde Ibrahim, Steven Hall, Prasanna Desai, Yuan Zhuang
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Publication number: 20140171127Abstract: The location or changes in location of a communications device may be determined by various means, such as via a satellite navigation system, within the communications device. The location of the communications device may then be used to determine communication standard parameters needed for operation. Different countries may require different parameters for various applications, such as digital video broadcasting (DVB) and/or Bluetooth communication. The communications device may then configure itself to use the appropriate parameters for operation using the determined standards. The configuration information may be stored in the communications device. The communications device may comprise at least one radio wireless communication that may need to be updated. The wireless communication may comprise cellular communication, Internet access, and reception of audio and/or video broadcasts, where the audio/video broadcasts may be analog and/or digital.Type: ApplicationFiled: February 25, 2014Publication date: June 19, 2014Applicant: Broadcom CorporationInventor: Brima Babatunde Ibrahim
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Patent number: 8600300Abstract: Aspects of a method and system for single chip WLAN and Bluetooth radios on a single CMOS substrate are presented. Aspects of the system may include a WLAN receiver circuit within a substrate of a single chip that enables reception of WLAN signals, and a Bluetooth receiver circuit within the same substrate that enables reception of Bluetooth signals. The WLAN receiver circuit and Bluetooth receiver circuit may utilize a single low noise amplifier circuit that enables reception of the WLAN signals and Bluetooth signals. Aspects of the system may also include a WLAN transmitter circuit within a substrate of a single chip that enables transmission of WLAN signals, and a Bluetooth transmitter circuit within the same substrate that enables transmission of Bluetooth signals. The WLAN transmitter circuit and Bluetooth transmitter circuit may utilize a single power amplifier circuit that enables transmission of the WLAN signals and Bluetooth signals.Type: GrantFiled: December 31, 2006Date of Patent: December 3, 2013Assignee: Broadcom CorporationInventors: Chungyeol Paul Lee, Bojko Marholev, Arya Behzad, Mark Gonikberg, Brima Babatunde Ibrahim, Thomas Varghese
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Publication number: 20130237169Abstract: A transceiver includes a receiver section and a transmitter section. The receiver section converts an inbound Multiple Frequency Bands Multiple Standards (MFBMS) signal into a down converted signal, wherein the inbound MFBMS signal includes a desired signal component and an undesired signal component. In addition, the receiver section determines spectral positioning of the undesired signal component with respect to the desired signal component and adjusts at least one of the MFBMS signal and the down converted signal based on the spectral positioning to substantially reduce adverse affects of the undesired signal component on the desired signal component to produce an adjusted signal. The transmitter section converts an outbound symbol stream into an outbound MFBMS signal.Type: ApplicationFiled: April 10, 2013Publication date: September 12, 2013Applicant: Broadcom CorporationInventors: John Walley, Jeyhan Karaoguz, Brima Babatunde Ibrahim, Arya Reza Behzad, Vinko Erceg, David Rosmann
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Patent number: 8467745Abstract: Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation.Type: GrantFiled: July 5, 2011Date of Patent: June 18, 2013Assignee: Broadcom CorporationInventors: Brima Babatunde Ibrahim, John Walley, Bojko Marholev, Siukai Mak
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Patent number: 8457554Abstract: Methods and systems for wireless communication are disclosed and may include controlling one or more scans of a received signal detection frequency across a frequency range and storing a magnitude of the received signal at each frequency where the magnitude exceeds a threshold level. A type of one or more signals in the received signal may be determined based on a bandwidth of the signals. A Bluetooth page/inquiry scan may be initiated if the determined type is a page/inquiry signal, and scans may be continued if the determined type may not be a page/inquiry signal. The scans may be repeated on a periodic basis and may be controlled utilizing a voltage controlled oscillator. Each of the scans may include a plurality of discrete frequency steps or a continuous frequency ramp. The controlling may include a start frequency, an end frequency and a frequency step size for the scans.Type: GrantFiled: November 13, 2007Date of Patent: June 4, 2013Assignee: Broadcom CorporationInventors: Steven Deane Hall, Brima Babatunde Ibrahim, Hea Joung Kim, Yuan Zhuang, Langford Wasada, Bojko Marholev, Shawn Ding, Latha Caliaperoumal, Satya Prasad Srinivas
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Patent number: 8190388Abstract: Aspects of a method and system for detecting Bluetooth signals utilizing a wideband receiver are provided. In this regard, a portion of a frequency band may be scanned multiple times, where each scan comprises receiving signals present in the scanned portion of the frequency band. Based on results of a Fast Fourier Transform performed on the received signals, presence of one or more Bluetooth transmissions in the received signals may be detected. In instances that a Bluetooth transmission is detected, a type of the Bluetooth transmission may be determined based on a number of the scans in which the Bluetooth transmission was detected. In instances that a detected Bluetooth transmission is a page, a Bluetooth transceiver in the wireless communication device may be powered up and/or enter a page scanning mode. The scans may be performed by a wireless local area networking receiver within the wireless communication device.Type: GrantFiled: October 26, 2009Date of Patent: May 29, 2012Assignee: Broadcom CorporationInventors: Brima Babatunde Ibrahim, Steven Deane Hall
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Publication number: 20120021706Abstract: Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation.Type: ApplicationFiled: July 5, 2011Publication date: January 26, 2012Inventors: Brima Babatunde Ibrahim, John Walley, Bojko Marholev, Siukai Mak
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Patent number: 7974590Abstract: Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation.Type: GrantFiled: September 14, 2007Date of Patent: July 5, 2011Assignee: Broadcom CorporationInventors: Brima Babatunde Ibrahim, John Walley, Bojko Marholev, Siukai Mak
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Publication number: 20100120362Abstract: Aspects of the invention may comprise managing operations of BLE interfaces and/or other radio interfaces in a wireless device to mitigate interference to communication via the BLE interfaces by the other radio interfaces. Operating parameters may be communicated between the BLE interfaces and the other radio interfaces to enable mitigating the interference to the BLE interfaces, and at least some of the BLE interfaces and/or the other radio interfaces may be configured based on the communicated operating parameters. The operating parameters may comprise adaptive frequency hopping (AFH) maps that may be adjusted to prevent use of common and/or used channels. The communication device may detect energy associated with BLE communication via scan of all or some of channels used for BLE communication. BLE communication may be predicted based on monitoring of frequency bands used during BLE communication, and/or monitoring of events that may trigger and/or occur during BLE communication.Type: ApplicationFiled: November 10, 2008Publication date: May 13, 2010Inventors: John S. Walley, Brima Babatunde Ibrahim, Steven Hall, Prasanna Desai, Yuan Zhuang
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Publication number: 20100048136Abstract: Aspects of a method and system for detecting Bluetooth signals utilizing a wideband receiver are provided. In this regard, a portion of a frequency band may be scanned multiple times, where each scan comprises receiving signals present in the scanned portion of the frequency band. Based on results of a Fast Fourier Transform performed on the received signals, presence of one or more Bluetooth transmissions in the received signals may be detected. In instances that a Bluetooth transmission is detected, a type of the Bluetooth transmission may be determined based on a number of the scans in which the Bluetooth transmission was detected. In instances that a detected Bluetooth transmission is a page, a Bluetooth transceiver in the wireless communication device may be powered up and/or enter a page scanning mode. The scans may be performed by a wireless local area networking receiver within the wireless communication device.Type: ApplicationFiled: October 26, 2009Publication date: February 25, 2010Inventors: Brima Babatunde Ibrahim, Steven Deane Hall
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Patent number: 7586378Abstract: Aspects of a method and system for using a frequency locked loop LOGEN in oscillator systems may include generating an oscillating signal via one or more circuits comprising a feedback loop. The generation may be controlled by enabling or disabling the feedback loop, based on the generated oscillating signal. The one or more circuits may comprise a frequency-locked loop (FLL) that may enable the generation of the oscillating signal. The frequency-locked loop may comprise a voltage-controlled oscillator. The feedback loop may be disabled when an estimated frequency difference between a reference signal and a feedback signal may be less than or equal to a specified threshold. The feedback loop may be enabled when an estimated frequency difference between a reference signal and a feedback signal may be greater than a particular threshold.Type: GrantFiled: July 31, 2007Date of Patent: September 8, 2009Inventors: Jared Welz, Brima Babatunde Ibrahim, Stephen Wu
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Publication number: 20090124200Abstract: Methods and systems for wireless communication are disclosed and may include controlling one or more scans of a received signal detection frequency across a frequency range and storing a magnitude of the received signal at each frequency where the magnitude exceeds a threshold level. A type of one or more signals in the received signal may be determined based on a bandwidth of the signals. A Bluetooth page/inquiry scan may be initiated if the determined type is a page/inquiry signal, and scans may be continued if the determined type may not be a page/inquiry signal. The scans may be repeated on a periodic basis and may be controlled utilizing a voltage controlled oscillator. Each of the scans may include a plurality of discrete frequency steps or a continuous frequency ramp. The controlling may include a start frequency, an end frequency and a frequency step size for the scans.Type: ApplicationFiled: November 13, 2007Publication date: May 14, 2009Inventors: Steven Deane Hall, Brima Babatunde Ibrahim, Hea Joung Kim, Yuan Zhuang, Langford Wasada, Bojko Marholev, Shawn Ding, Latha Caliaperoumal, Satya Prasad Srinivas
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Publication number: 20090111496Abstract: Aspects of a method and system for classifying Bluetooth channels using a wideband receiver are provided. In this regard, FFT analysis may be utilized to detect signals/interference present in a sub-band of an ISM band and classify Bluetooth channels in that sub-band based on the detected signals. A co-located Bluetooth transceiver may utilize the classification to determine which Bluetooth channels comprise a best communication link for communicating via Bluetooth. In this regard, Bluetooth channels may be ranked in order of preference based on the classification. Preferred Bluetooth channels may provide more reliable Bluetooth communications. The ISM frequency band may be the 2.4 GHz ISM frequency band. The sub-bands may each comprise a WLAN channel. The Bluetooth channels may be classified based on strength, type, and/or a rate of recurrence of the detected signals. In addition to the FFT, a signal strength indicator may be utilized to detect signals/interference.Type: ApplicationFiled: October 31, 2007Publication date: April 30, 2009Inventors: Brima Babatunde Ibrahim, Steven Deane Hall
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Publication number: 20090112492Abstract: Aspects of a method and system for detecting Bluetooth signals utilizing a wideband receiver are provided. In this regard, a frequency band may be scanned by receiving signals on each of a plurality of sub-bands for an amount of time, the energy received in each band may be compared to a threshold, and whether each sub-band comprises a Bluetooth transmission may be determined based on a FFT. Additionally, the FFT may enable determining on which Bluetooth channel a detected transmission occurred. A FFT may be performed when energy detected in a sub-band is higher than a threshold. The sub-bands may each be a WLAN channel. A type of a detected Bluetooth transmission may be determined based on a number of scans in which the transmission is detected. Each sub-band may be received for less than or equal to 68 ?s divided by the number of sub-bands.Type: ApplicationFiled: October 30, 2007Publication date: April 30, 2009Inventors: Brima Babatunde Ibrahim, Steven Deane Hall