Patents by Inventor Brima Ibrahim

Brima 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).

  • Patent number: 8983523
    Abstract: A host device may be enabled to support a plurality of wireless interfaces, wherein some of these interfaces may be utilized to support human interface device (HID) based communication. The host device may be enabled to monitor activity of HID devices based on communications via HID capable wireless interfaces, may predict future use of the HID devices based on the monitoring, and may manage sniff communication that is utilized to track and/or detect activities in the HID devices. The management of the sniff communication may comprise adjusting characteristics of the sniff communication to enable improving throughput of other wireless interfaces available via the host device that may be affected by the sniff communication. The adjustment of the characteristics of sniff communication may comprise adjusting, statically and/or dynamically, length of sniff intervals and/or designating of sniff packets as high priority requests.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: March 17, 2015
    Assignee: Broadcom Corporation
    Inventors: Brima Ibrahim, Prasanna Desai
  • Patent number: 8942329
    Abstract: A method for frequency selection in a wireless communication system, includes performing in a wireless device, receiving at least one signal at a current frequency; processing at least one data packet received via the received at least one signal to determine the presence of bit errors; characterizing the received at least one signal received at the current frequency based on the processing of the at least one data packet; classifying the current frequency based on at least the characterization of the received at least one signal; and selecting the current frequency based on the classification. At least one signal strength measurement may be performed on the received at least one signal, and the processing of the at least one data packet may be performed within a current channel classification update interval.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: January 27, 2015
    Assignee: Broadcom Corporation
    Inventors: Prasanna Desai, Sven Jerlhagen, Brima Ibrahim, Siukai Mak, Asif Grushkevich, John Walley
  • Publication number: 20150011162
    Abstract: A system, method, and apparatus for negotiating a communication link between first and second near field communication (NFC) devices is disclosed. A third NFC device is placed in close proximity with a first host device operatively containing the first NFC device to determine communication information including at least one of a communication mechanism and a data transfer protocol usable by the first host device. The communication information usable by the first host device is stored in a portable device operatively containing the third NFC device. The third NFC device is momentarily placed in close proximity with the second NFC device. The stored communication information of the first host device is transferred from the portable device to a second host device operatively containing the second NFC device.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 8, 2015
    Applicant: Broadcom Corporation
    Inventors: Mohamed AWAD, Brima IBRAHIM, John WATERS
  • Publication number: 20150005029
    Abstract: A communications device having a communication channel interface between a cellular communications module and a Global Navigation system (GNSS) module is provided. The communication channel interface can be used to forward one or more of: a frequency offset correction message, a fine time assistance (FTA) message, and an assisted-GNSS (A-GNSS) message from the cellular communications module to the GNSS module; to forward timing and frequency information from the GNSS module to the cellular communications module to enable a delayed sleep mode wake up of the cellular communications module; to enable hybrid data fusion between the cellular communications module and the GNSS module; and/or to offload processes from the GNSS module to the cellular communications module.
    Type: Application
    Filed: June 26, 2013
    Publication date: January 1, 2015
    Inventors: Kamesh MEDAPALLI, Robert Lorenz, Charles Abraham, Brima Ibrahim, Frank van Diggelen
  • Patent number: 8874038
    Abstract: A system, method, and apparatus for negotiating a communication link between first and second near field communication (NFC) devices is disclosed. A third NFC device is placed in close proximity with a first host device operatively containing the first NFC device to determine communication information including at least one of a communication mechanism and a data transfer protocol usable by the first host device. The communication information usable by the first host device is stored in a portable device operatively containing the third NFC device. The third NFC device is momentarily placed in close proximity with the second NFC device. The stored communication information of the first host device is transferred from the portable device to a second host device operatively containing the second NFC device.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: October 28, 2014
    Assignee: Broadcom Corporation
    Inventors: John Waters, Brima Ibrahim, Mohamed Awad
  • Patent number: 8849205
    Abstract: A Bluetooth low energy (BLE) device receives advertising packets from an advertising BLE device. The BLE device filters the received advertising packets utilizing hardware to search for the advertiser. If the advertiser is not found by the hardware, the packet filtering continues utilizing firmware. Device identity information, comprising non-private and/or private device identities, of preferred BLE devices is partitioned to form a different white list for the hardware, firmware, and host, respectively, to concurrently support privacy and white listing. If the advertiser is found by the hardware, the hardware sends a response to the advertiser following a successful CRC check performed in the hardware. If the advertiser is found by the firmware, the device identity information of the advertiser is inserted in the white list for the hardware. The host may be awakened based on the device configuration and/or attribute type information of the received advertising packets.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: September 30, 2014
    Assignee: Broadcom Corporation
    Inventors: Prasanna Desai, Angel Polo, Chikan Kwan, Yuan Zhuang, Ash Kapur, Norbert Grunert, Brima Ibrahim, John Walley
  • Patent number: 8838036
    Abstract: A transceiver circuit includes a transmitter to send communication signals and a receiver to receive communication signals sent by other transmitters. The transceiver circuit also includes a switch to connect the transmitter and the receiver to at least one antenna. The switch controls at least two directions of polarization of the at least one antenna.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: September 16, 2014
    Assignee: Broadcom Corporation
    Inventors: Seunghwan Yoon, Bagher Afshar, Jesus Alfonso Castaneda, Brima Ibrahim, Michael Boers
  • Patent number: 8824990
    Abstract: There is provided a method for use in a wireless communication to avoid detection of a false modulated signal in a paged device. In one embodiment, a modulated signal is received by the paged device. Then, the modulated signal is identified by the paged device as a preliminary false modulated signal. Thereafter, the gain of at least one paged device amplifier and/or a matching threshold of the paged device is reduced by the paged device to decrease a sensitivity of the paged device to avoid detection of a future false modulated signal. In one embodiment, the wireless communication is a Bluetooth wireless communication and the paged device is a Bluetooth enabled device. An exemplary system for implementing one embodiment of the disclosed method is described.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 2, 2014
    Assignee: Broadcom Corporation
    Inventors: Steven D. Hall, Brima Ibrahim, Langford Wasada
  • Patent number: 8811468
    Abstract: Methods and systems for processing signals are provided and may include removing a DC component from a signal envelope comprising a combined signal within a range of allocated FM channels to generate a modified signal envelope. Fluctuation in power in the signal envelope may be detected based on a ratio of a magnitude of the signal envelope and a magnitude of the modified signal envelope. The removing may further include low-pass filtering the signal envelope to generate a low-pass filtered signal envelope. A square values of the low-pass filtered signal envelope may be determined to generate a squared signal envelope. The squared signal envelope may be high-pass filtered to generate a high-pass filtered signal envelope. The fluctuation in power in the signal envelope may be detected based on a ratio of a magnitude of the high-pass filtered signal envelope and a magnitude of the low-pass filtered signal envelope.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: August 19, 2014
    Assignee: Broadcom Corporation
    Inventors: Brima Ibrahim, Paul Lettieri
  • Patent number: 8805277
    Abstract: Aspects of a method and system for Bluetooth 802.11 alternate MAC/PHY (AMP) transmit power control (TPC) may include one or more processors, receiver circuits and/or transmitter circuits that are operable to determine a maximum input level based on signals received via a Bluetooth basic rate (BR) connection and/or via a Bluetooth extended data rate (EDR) connection. The processors and/or circuits may be operable to determine a transmitted signal power level based on the determined maximum input level. The processors and/or circuits may be operable to transmit subsequent signals via a distinct Bluetooth connection based on the determined transmitted signal power level. The data rate for signal transmission via the distinct Bluetooth connection may exceed the data rate for signal transmission via the BR connection and the data rate for signal transmission via the EDR connection.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: August 12, 2014
    Assignee: Broadcom Corporation
    Inventors: Brima Ibrahim, Raymond Hayes, Jeyhan Karaoguz, John Walley, Saishankar Nandagopalan, Robert Hulvey, Shawn Ding, Christopher Hansen
  • Patent number: 8797213
    Abstract: Methods and systems for estimating an angle of arrival are provided. In an embodiment, a system for estimating angle of arrival includes a snapshot determining module configured to receive a signal from each antenna of an antenna array and to generate a snapshot vector including values based on the signals and an angle of arrival processing module configured to estimate an angle of arrival for the electromagnetic signal relative to the antenna array based on the snapshot vector. Each signal is representative of an electromagnetic signal incident on a respective antenna of the antenna array and each value is representative of a phase of a respective signal.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: August 5, 2014
    Assignee: Broadcom Corporation
    Inventors: Ka Shun Carson Pun, Alfred Grau Besoli, Jesus Castaneda, Brima Ibrahim, David Garrett, Siukai Mak
  • Publication number: 20140213273
    Abstract: Techniques for localized dynamic channel allocation help meet the challenges of latency, memory size, and channel time optimization for wireless communication systems. As examples, advanced communication standards, such as the WiGig standard, may support wireless docking station capability and wireless streaming of high definition video content between transmitting and receiving stations, or engage in other very high throughput tasks. The techniques help to deliver the desired user experience in such an environment and support desired performance levels for latency and throughput while controlling memory footprint.
    Type: Application
    Filed: April 1, 2014
    Publication date: July 31, 2014
    Applicant: BROADCOM CORPORATION
    Inventors: Hongyu Xie, Srikanth Shubhakoti, Matthew James Fischer, Shawn Shiliang Ding, Gang Lu, Yuan Zhuang, Brima Ibrahim, Payam Torab Jahromi, Murat Mese
  • Patent number: 8774746
    Abstract: There is provided a method for use in a wireless communication to avoid detection of a false modulated signal in a paged device. In one embodiment, a modulated signal is received by the paged device. Then, the modulated signal is identified by the paged device as a preliminary false modulated signal. Thereafter, the gain of at least one paged device amplifier and/or a matching threshold of the paged device is reduced by the paged device to decrease a sensitivity of the paged device to avoid detection of a future false modulated signal. In one embodiment, the wireless communication is a Bluetooth wireless communication and the paged device is a Bluetooth enabled device. An exemplary system for implementing one embodiment of the disclosed method is described.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: July 8, 2014
    Assignee: Broadcom Corporation
    Inventors: Steven D. Hall, Brima Ibrahim, Langford Wasada
  • Patent number: 8737917
    Abstract: A dual-mode BLE device identifies idle intervals within Bluetooth BR/EDR traffic communications. The identified idle intervals are used by the dual-mode BLE device to concurrently perform various BLE activities. For example, advertising packet transmissions, advertising packet scanning, connection setup, and/or data packet communication may be concurrently performed within identified idle intervals within the Bluetooth BR/EDR traffic communications. Packet transmission timing, advertising interval, scan window, and/or packet size are determined based on the identified idle intervals within the Bluetooth BR/EDR traffic communications. A scan window is adjusted based on timing of expected advertising transmissions and/or advertising interval(s) for saving power. BLE packets and Bluetooth BR/EDR packets may be detected in a single advertising channel. Maximal payload size is set based on the identified idle intervals within Bluetooth BR/EDR traffic communications.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: May 27, 2014
    Assignee: Broadcom Corporation
    Inventors: Prasanna Desai, Chikan Kwan, Angel Polo, Song Qiao, Cindy Tian, Yuan Zhuang, Guoxin Xie, Latha Caliaperoumal, Brima Ibrahim
  • Patent number: 8731572
    Abstract: Techniques for localized dynamic channel allocation help meet the challenges of latency, memory size, and channel time optimization for wireless communication systems. As examples, advanced communication standards, such as the WiGig standard, may support wireless docking station capability and wireless streaming of high definition video content between transmitting and receiving stations, or engage in other very high throughput tasks. The techniques help to deliver the desired user experience in such an environment and address the need to meet latency and throughput requirements while limiting memory footprint.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: May 20, 2014
    Assignee: Broadcom Corporation
    Inventors: Hongyu Xie, Srikanth Shubhakoti, Matthew James Fischer, Shawn Shiliang Ding, Gang Lu, Yuan Zhuang, Brima Ibrahim, Payam Torab Jahromi, Murat Mese
  • Patent number: 8712330
    Abstract: A mobile device such as a Bluetooth low energy (BLE) device detects out-of-band blocking signals and manages packet transmission in associated BLE link layer connections based on the detected out-of-band blocking signals. The BLE device is operable to measure out-of-band RSSI to detect out-of-band transmission interferences. The BLE device compares the measured out-of-band RSSI with an out-of-band energy profile such as a LTE energy profile or a WiMAX energy profile to determine the out-of-band blocking signals indicating cadence or periodic out-of-band traffic activities. A remote BLE deice (advertiser) aperiodically or periodically transmits an advertising packet to the BLE device for a specific link layer connection. If not connected within a determined time period, the remote BLE device (advertiser) reduces transmission power for transmitting the advertising packet. The BLE device receives the advertising packet and sends a connection request packet to the remote BLE device (advertiser).
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: April 29, 2014
    Assignee: Broadcom Corporation
    Inventors: Prasanna Desai, Brima Ibrahim
  • Patent number: 8706135
    Abstract: Location of a mobile terminal may be determined via a satellite navigation system receiver integrated within the mobile terminal. The satellite navigation system receiver may comprise a GPS receiver, a Galileo receiver and/or a GLONASS receiver. The location of the mobile terminal 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 mobile terminal may then configure itself to use the appropriate parameters for operation using the determined standards. The configuration information may be stored in the mobile terminal. The mobile terminal 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: Grant
    Filed: October 9, 2008
    Date of Patent: April 22, 2014
    Assignee: Broadcom Corporation
    Inventor: Brima Ibrahim
  • Patent number: 8686770
    Abstract: Designs of devices having digital phase locked loop (DPLL) circuits that include multiple digital feedback loops to generate high frequency clock signals by a digitally controlled oscillator (DCO). A time-to-digital converter (TDC) module is provided in such a DPLL circuit to receive an input reference clock signal and a first feedback clock signal from a first digital feedback loop and produces a digital TDC output indicative of a first phase error caused by a difference in time between the input reference clock signal and the first feedback clock signal. A second digital feedback loop is provided to generate a second digital feedback signal indicative of a second phase error caused by a difference in frequency between a desired clock signal and a generated clock signal generated by the DCO. The first and second digital feedback loops are coupled to the DCO to generate the high frequency clock signals.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: April 1, 2014
    Assignee: Broadcom Corporation
    Inventors: Emmanouil Frantzeskakis, Georgios Sfikas, Stephen Wu, Radha Srinivasan, Henrik Tholstrup Jensen, Brima Ibrahim
  • Patent number: 8688044
    Abstract: Aspects of a method and system for selective equalization enablement based on modulation type are disclosed. One such method includes receiving a signal via an RF channel, detecting a modulation type of the signal, and selecting an equalization circuit for processing the signal based on the modulation type.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: April 1, 2014
    Assignee: Broadcom Corporation
    Inventors: Brima Ibrahim, Hea Joung Kim, Paul Lettieri
  • Patent number: 8682246
    Abstract: Methods and systems for collaborative coexistence of Bluetooth and WiMax are disclosed. Aspects of one method may include a packet traffic arbiter (PTA) in a mobile terminal that arbitrates among requests to transmit from one or more communication devices collocated in the mobile terminal. The communication devices may comprise, for example, a WLAN communication device, a WiMax communication device, and/or a Bluetooth communication device. The arbitration may be based on, for example, whether a packet will be received by one of the plurality of collocated communication devices at a time of transmission of the present data packet and/or a priority for data to be transmitted. An exemplary scenario may be where a Bluetooth headset may be used for communication over a WiMax voice connection. One arbitration method may comprise allowing the WiMax packet to be transmitted, and replacing the received Bluetooth packet with data indicating silence.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: March 25, 2014
    Assignee: Broadcom Corporation
    Inventors: Prasanna Desai, Steven Deane Hall, Brima Ibrahim