Patents by Inventor Reza Rofougaran

Reza Rofougaran 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).

  • Publication number: 20130316648
    Abstract: A wireless communication device is provided with separate processing modules for a transceiver and a near field communication (NFC) device. The NFC processing module is configured to generate outbound NFC data and to process inbound NFC data, while the transceiver processing module is configured to generate outbound transceiver data and to process inbound transceiver data. A shared radio frequency (RF) front end transmits and receives combined radio frequency (RF) signals including both NFC data and transceiver data.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 28, 2013
    Applicant: BROADCOM CORPORATION
    Inventors: Ahmadreza (Reza) Rofougaran, Kambiz Shoarinejad
  • Publication number: 20130308581
    Abstract: A radio frequency (RF) bus controller includes an interface and a processing module. The interface is coupled for communicating intra-device RF bus access requests and allocations. The processing module is coupled to receive an access request to an RF bus via the interface; determine RF bus resource availability; and when sufficient RF bus resources are available to fulfill the access request, allocate, via the interface, at least one RF bus resource in response to the access request.
    Type: Application
    Filed: July 24, 2013
    Publication date: November 21, 2013
    Applicant: BROADCOM CORPORATION
    Inventor: Ahmadreza (Reza) Rofougaran
  • Publication number: 20130310116
    Abstract: A mobile communication device includes a first wireless transceiver that receives a first inbound RF signal and that transmits a first outbound RF signal based on a first power supply signal. A second wireless transceiver receives a second inbound RF signal and that transmits a second outbound RF signal based on a second power supply signal. A processing module generates at least one power mode signal based on first transmit power control data received via the first inbound RF signal. A power management circuit adjusts a first power consumption parameter of the first power supply signal and a second power consumption parameter of the second power supply signal based on the at least one power mode signal.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 21, 2013
    Applicant: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8576133
    Abstract: An RF receiver section includes an adjustable antenna assembly, a low noise amplifier module, and a down conversion module. The adjustable antenna assembly is configured to provide a first receive antenna structure and a second receive antenna structure. The first and second receive antenna structures receive an inbound wide bandwidth RF signal that includes an interferer RF signal component and a desired inbound RF signal component. The effective polarization of at least one of the first and second receive antenna structures is adjusted to reduce signal strength of the interferer RF signal component.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: November 5, 2013
    Assignee: Broadcom Corporation
    Inventors: Ahmadreza Reza Rofougaran, Maryam Rofougaran
  • Publication number: 20130289382
    Abstract: An article of clothing includes a clothing fabric and a plurality of bio-medical units integrated into the clothing fabric. A bio-medical includes a power harvesting module, a communication module, a processing module, a functional module, a die, and an IC package. The die supports the power harvesting module, the processing module, the communication module, and the functional module. The IC package houses the die and includes a mechanism for adhering to the clothing fabric.
    Type: Application
    Filed: June 28, 2013
    Publication date: October 31, 2013
    Applicant: BROADCOM CORPORATION
    Inventors: Ahmadreza (Reza) Rofougaran, Jeyhan Karaoguz, Pieter Vorenkamp
  • Publication number: 20130288628
    Abstract: An RF receiver section includes an adjustable antenna assembly, a low noise amplifier module, and a down conversion module. The adjustable antenna assembly is configured to provide a first receive antenna structure and a second receive antenna structure. The first and second receive antenna structures receive an inbound wide bandwidth RF signal that includes an interferer RF signal component and a desired inbound RF signal component. The effective polarization of at least one of the first and second receive antenna structures is adjusted to reduce signal strength of the interferer RF signal component.
    Type: Application
    Filed: June 28, 2013
    Publication date: October 31, 2013
    Applicant: BROADCOM CORPORATION
    Inventors: Ahmadreza (Reza) Rofougaran, Maryam Rofougaran
  • Patent number: 8571149
    Abstract: A single chip radio transceiver includes circuitry that enables received wideband RF signals to be down converted to base band frequencies and base band signals to be up converted to wideband RF signals prior to transmission without requiring conversion to an intermediate frequency. The circuitry includes a low noise amplifier, automatic frequency control circuitry for aligning the LO frequency with the frequency of the received RF signals, signal power measuring circuitry for measuring the signal to signal and power ratio and for adjusting frontal and rear amplification stages accordingly, and finally, filtering circuitry to filter high and low frequency interfering signals including DC offset.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: October 29, 2013
    Assignee: Broadcom Corporation
    Inventors: Zhongming Shi, Ahmadreza (Reza) Rofougaran, Arya Reza Behzad
  • Publication number: 20130281024
    Abstract: A portable computing device includes a radio frequency (RF) wired link, a core module, and a plurality of multi-mode RF units. When one or more of the multi-mode RF units are supporting a high-speed data communication, the core module is operable to detect a blocker that is adversely affecting the high-speed data communication. The core module is further operable to determine whether a radiation pattern alternative for the high-speed data communication will reduce the adverse affects on the high-speed data communication. When the radiation pattern alternative for the high-speed data communication will reduce the adverse affects on the high-speed data communication, the core module is further operable to enable the radiation pattern alternative. The one or more multi-mode RF units are operable to adjust at least one of transmission and reception of the high-speed data communication in accordance with the radiation pattern alternative.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 24, 2013
    Applicant: BROADCOM CORPORATION
    Inventors: Ahmadreza (Reza) Rofougaran, Maryam Rofougaran, Brima B. Ibrahim, Hooman Darabi
  • Patent number: 8548077
    Abstract: A receiver includes a sample and hold module, a discrete time filter module, and a conversion module. The sample and hold module is operable to sample and hold a first inbound wireless signal and a second inbound wireless signal to produce a frequency domain sample pulse train. The discrete time filter module is operable to filter the frequency domain sample pulse train to produce a first filtered sample pulse corresponding to the first inbound wireless signal and to produce a second filtered sample pulse corresponding to the second inbound wireless signal. The conversion module is operable to convert the first filtered sample pulse into a first inbound baseband signal and to convert the second filtered sample pulse into a second inbound baseband signal.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 1, 2013
    Assignee: Broadcom Corporation
    Inventors: Ahmadreza (Reza) Rofougaran, Hooman Darabi
  • Publication number: 20130241307
    Abstract: A wireless power interface includes a plurality of coils and a control module. At least two of the plurality of coils has a different orientation with respect to at least two axes of a multi-dimensional axis system. The control module is configured to enable at least one of the plurality of coils based on electro-magnetic coupling by at least one of the plurality of coils with a coil of a wireless power device.
    Type: Application
    Filed: April 30, 2013
    Publication date: September 19, 2013
    Applicant: BROADCOM CORPORATION
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8525370
    Abstract: A circuit board assembly includes a multiple layer substrate, a wireless power transmitter control module, a wireless power coil assembly, and a plurality of ICs. The wireless power transmitter control module is supported by a layer of the multiple layer substrate and the wireless power coil assembly is fabricated on an inner layer of the multiple layer substrate. The ICs are mounted on an outer layer of the multiple layer substrate, wherein an IC of the plurality of IC is aligned to substantially overlap a coil of the wireless power coil assembly and is wirelessly powered by the wireless power transmitter control module via the coil.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: September 3, 2013
    Assignee: Broadcom Corporation
    Inventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
  • Patent number: 8526345
    Abstract: An RF front-end includes a transmit adjust module, a PA module, an antenna coupling circuit, a LNA module, and a receive adjust module. The transmit adjust module adjusts coordinates of up-converted analog signals when in a first transmit mode and adjusts coordinates of a plurality of up-converted analog signals when in a second transmit mode to produce to produce multiple adjusted up-converted signals and a plurality of adjusted up-converted signals, respectively, which are subsequently amplified by the PA module. The antenna coupling circuit provides the multiple or the plurality of outbound RF signals to at least some of a plurality of antennas depending on the transmit mode and provides multiple or a plurality of inbound RF signals at least some of the plurality of antennas to the LNA module based on a receive mode. The receive adjust module adjusts coordinates of the multiple or plurality of amplified inbound RF signals based on the receive mode.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: September 3, 2013
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8526367
    Abstract: A wireless communication device includes a front-end module (FEM) network, an RF connection, and a system on a chip (SOC). A first set of FEMs is operable to output, via an antenna, a first outbound RF signal to a first wireless communication device and receive a first inbound RF signal via an antenna. A second set of FEMs is operable to output, via an antenna, a second outbound RF signal to a second wireless communication device, wherein the second outbound RF signal is representative of the first inbound RF signal, and receive a second inbound RF signal via an antenna, wherein the first outbound RF signal is representative of the second inbound RF signal. The SOC is operable to activate the first and second sets of FEMs, facilitate the first outbound RF signal representing the second inbound RF signal, and facilitate the second outbound RF signal representing the first inbound RF signal.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: September 3, 2013
    Assignee: Broadcom Corporation
    Inventors: Hooman Darabi, Ahmadreza (Reza) Rofougaran
  • Patent number: 8526894
    Abstract: A bio-medical unit includes a power harvesting module, a processing module, memory, and a transceiver. The power harvesting module converts an electromagnetic signal into a supply voltage, which powers the processing module, the memory, and the transceiver. The processing module communicates, via the transceiver, with an external device regarding a medical matter to obtain storage location information regarding the medical matter, wherein the storage location information indicates where data associated with the medical matter is at least partially stored. The processing module then aggregates the storage location information with patient data storage location information to produce updated patient data storage location information, wherein the patient data storage location information contains storage location information regarding previous medical matters associated with the host body. The memory stores the patient data storage location information and the updated patient data storage location information.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: September 3, 2013
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8521085
    Abstract: An integrated circuit includes a first integrated circuit die having a first circuit and a first intra-chip interface and a second integrated circuit die having a second circuit and a second intra-chip interface and a remote interface, wherein the first intra-chip interface and the second intra-chip interface electro-magnetically communicate first signals between the first circuit and the second circuit, and wherein the remote interface is coupled to engage in electromagnetic communications with at least one other integrated circuit. In an embodiment of the present invention, a shielding element shields the electromagnetic communications with the at least one other integrated circuit from the electromagnetic communication of the first signals. In other embodiments, antenna beam patterns or differing polarizations are used to isolate the electromagnetic communications with the remote device from the electromagnetic communication of the first signals.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: August 27, 2013
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8520657
    Abstract: A radio frequency (RF) bus controller includes an interface and a processing module. The interface is coupled for communicating intra-device RF bus access requests and allocations. The processing module is coupled to receive an access request to an RF bus via the interface; determine RF bus resource availability; and when sufficient RF bus resources are available to fulfill the access request, allocate, via the interface, at least one RF bus resource in response to the access request.
    Type: Grant
    Filed: December 26, 2011
    Date of Patent: August 27, 2013
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8519966
    Abstract: A touch screen can be used in a communication device having a transceiver that communicates radio frequency (RF) signals with at least one remote station. The touch screen includes a display layer for displaying information. An inductor grid includes a plurality of inductive elements. A switch matrix selects a selected inductive element in response to a selection signal. A driver generates the selection signal and drives the selected inductive element to detect a touch object in proximity to the selected inductive element and generates touch screen data in response thereto. Microelectromechanical system (MEMS) capacitors couple together a group of the plurality of inductive elements to form an antenna and further couple the antenna to the transceiver to send and receive the RF signals.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: August 27, 2013
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8520400
    Abstract: An integrated circuit includes a substrate. A first integrated circuit die includes a first circuit and a first intra-chip clock interface that transmits a first clock signal via the substrate. A second integrated circuit die includes a second circuit that operates based on the first clock signal and a second intra-chip clock interface that recovers the first clock signal from the substrate.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: August 27, 2013
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8520549
    Abstract: A mobile communication device includes a first wireless transceiver that receives a first inbound RF signal and that transmits a first outbound RF signal based on a first power supply signal. A second wireless transceiver receives a second inbound RF signal and that transmits a second outbound RF signal based on a second power supply signal. A processing module generates at least one power mode signal based on first transmit power control data received via the first inbound RF signal. A power management circuit adjusts a first power consumption parameter of the first power supply signal and a second power consumption parameter of the second power supply signal based on the at least one power mode signal.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: August 27, 2013
    Assignee: Broadcom Corporation
    Inventor: Ahmadreza (Reza) Rofougaran
  • Patent number: 8520786
    Abstract: A receiver includes a sample and hold module, a discrete time filter module, and a conversion module. The sample and hold module includes a sample switching module, an impedance module, and a hold switching module. The sample switching module outputs samples of an inbound wireless signal in accordance with a sampling clock signal. The impedance module temporarily stores the samples. The hold switching module outputs a filtered representation of the samples in accordance with a hold clock signal to produce a frequency domain sample pulse train, wherein a filter response of the sample and hold module is in accordance with a ratio between the sampling clock signal and the hold clock signal. The discrete time filter module, which may be programmable, filters the frequency domain sample pulse train. The conversion module, which may be programmable, converts the filtered sample pulse into an inbound baseband signal.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: August 27, 2013
    Assignee: Broadcom Corporation
    Inventors: Ahmadreza (Reza) Rofougaran, Hooman Darabi