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).
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Publication number: 20130028303Abstract: A receiver includes an antenna interface, a frequency translation bandpass filter (FTBPF), a sample and hold module, and a down conversion module. The antenna interface is operable to receive a received wireless signal from an antenna structure and to isolate the received wireless signal from another wireless signal. The FTBPF is operable to filter the received wireless signal to produce an inbound wireless signal. The sample and hold module is operable to sample and hold the inbound wireless signal in accordance with an S&H clock signal to produce a frequency domain sample pulse train. The down conversion module is operable to convert the frequency domain sample pulse train into an inbound baseband signal.Type: ApplicationFiled: September 29, 2011Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, HOOMAN DARABI
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Publication number: 20130028359Abstract: 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: ApplicationFiled: September 23, 2011Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, HOOMAN DARABI
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Publication number: 20130028351Abstract: A receiver includes a sample and hold module, sample memory, a discrete time filter module, and a conversion module. The sample and hold module is operable to sample and hold an inbound wireless signal to produce a frequency domain sample pulse train. The sample memory is operable to store sample pulses of the frequency domain sample pulse train to produce a stored sample pulse train. The discrete time filter module is operable to filter the stored sample pulse train to produce a filtered sample pulse. The conversion module is operable to convert the filtered sample pulse into an inbound baseband signal.Type: ApplicationFiled: September 23, 2011Publication date: January 31, 2013Applicant: Broadcom CorporationInventors: Ahmadreza (Reza) ROFOUGARAN, Hooman DARABI
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Publication number: 20130028360Abstract: A receiver includes a sample and hold module, a discrete time filter module, and a wireless frequency to baseband conversion module. The sample and hold module is operable to sample and hold an inbound wireless signal at a rate corresponding to a multiple of a carrier frequency of the 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 wireless frequency pulse. The wireless frequency to baseband conversion module is operable to convert the wireless frequency pulse to a baseband digital signal.Type: ApplicationFiled: September 23, 2011Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, HOOMAN DARABI
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Publication number: 20130029598Abstract: 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: ApplicationFiled: January 10, 2012Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20130028361Abstract: A receiver includes a bandpass filter module, a sample and hold module, a discrete time bandpass filter module, a discrete time notch filter module, a combining module, and a conversion module. The bandpass filter module filters an inbound wireless that includes a desired signal component and an undesired signal component. The sample and hold module is operable to sample and hold the filtered inbound wireless signal to produce a frequency domain sample pulse train. The discrete time bandpass filter module bandpass filters the frequency domain sample pulse train to produce a bandpass filtered sample pulse. The discrete time notch filter module notch filters the frequency domain sample pulse train to produce a notched filtered sample pulse. The combining module combines the bandpass filtered sample pulse and the notched filtered sample pulse to produce a filtered inbound signal. The conversion module converts the filtered inbound signal into an inbound baseband signal.Type: ApplicationFiled: September 23, 2011Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, HOOMAN DARABI
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Publication number: 20130028362Abstract: A receiver includes a bandpass filter module, a sample and hold module, first and second discrete time filter modules, and first and second conversion modules. The bandpass filter module is operable to filter an inbound wireless signal. The sample and hold module is operable to sample and hold the filtered inbound wireless signal to produce a frequency domain sample pulse train. The first discrete time filter module is operable to filter the frequency domain sample pulse train to produce a first filtered sample pulse. The second discrete time filter module is operable to filter the frequency domain sample pulse train to produce a second filtered sample pulse. The first conversion module is operable to convert the first filtered sample pulse into a first inbound baseband signal. The second conversion module is operable to convert the second filtered sample pulse into a second inbound baseband signal.Type: ApplicationFiled: September 23, 2011Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, HOOMAN DARABI
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Publication number: 20130028302Abstract: A discrete digital transceiver includes a receiver sample and hold module, a discrete digital receiver conversion module, a transmitter sample and hold module, a discrete digital transmitter conversion module, clock generation module, and a processing module. The receiver sample and hold module samples and holds an inbound wireless signal in accordance with a receiver S&H clock signal. The discrete digital receiver conversion module converts the receiver frequency domain sample pulse train into an inbound baseband signal. The transmitter sample and hold module samples and holds an outbound signal to produce a transmitter frequency domain sample pulse train. The discrete digital transmitter conversion module converts a transmitter frequency domain sample pulse train into the outbound wireless signal. The clock generation module generates S&H clock signals in accordance with a control signal. The processing module generates the control signal such that the S&H clock signals are shifted.Type: ApplicationFiled: September 29, 2011Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, HOOMAN DARABI
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Publication number: 20130028348Abstract: A transmitter includes a conversion module, a sample and hold module, and a discrete time bandpass filter module. The conversion module is operable to convert an outbound baseband signal into outbound frequency domain pulse signal. The sample and hold module is operable to sample and hold the outbound frequency domain pulse signal to produce a frequency domain sample pulse train, wherein the sample and hold module is clocked at a rate corresponding to a frequency component of an outbound wireless signal. The discrete time bandpass filter module is operable to bandpass filter the frequency domain sample pulse train to produce the outbound wireless signal.Type: ApplicationFiled: September 23, 2011Publication date: January 31, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, HOOMAN DARABI
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Patent number: 8359373Abstract: A handheld computing unit includes a hardware section and memory. The memory includes an application section and an operating system section. The operating system section includes operational instructions that cause the hardware section to: detect a mode change request to a non-standalone mode; determine whether an extended computing unit is engaged with another handheld computing unit; when the extended computing unit is engaged with another handheld unit, initiate a single extended computing unit-multiple handheld computing unit mode; and when the initiation is successful, retrieve a single extended computing unit-multiple handheld computing unit operating system boot loader.Type: GrantFiled: April 28, 2009Date of Patent: January 22, 2013Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20130017818Abstract: An integrated circuit (IC) includes a plurality of circuit modules, a millimeter wave (MMW) transceiver coupled to a configurable antenna structure, and a controller. The controller is operably coupled to: receive parameters for an inter-chip MMW communication link; interpret the parameters to determine a range of operational requirements; compare the range of operational requirements with configuration options of the MMW transceiver and the configurable antenna structure; and, when one of the configuration options compares favorably with the range of operational requirements, generate a configuration signal to instruct the MMW transceiver and the configurable antenna structure to implement the one of the configuration options.Type: ApplicationFiled: September 13, 2012Publication date: January 17, 2013Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20130016711Abstract: A method includes determining whether information is to be transmitted via a radio frequency (RF) bus that supports direct intra-device communication between at least three circuits in a millimeter wave frequency band. When the information is to be transmitted via the RF bus, the method determines whether the RF bus is available. When the RF bus is available, the information is converted into RF bus signal, access to the RF bus is secured, and after access to the RF bus is secured, the RF bus signal is transmitted via the RF bus.Type: ApplicationFiled: September 13, 2012Publication date: January 17, 2013Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Patent number: 8351855Abstract: Disclosed herein are systems, apparatuses, and methods for providing a proximity coupling without Ohmic contact. Such a system includes a plurality of wireless-enabled components (WECs) that are wirelessly coupled to each other. Each WEC includes a metal-based element, a substrate, and a semiconductor layer that separates the metal-based element from the substrate. A signal is configured to be transmitted via a proximity coupling (e.g., a magnetic coupling, an electric coupling, and/or an electromagnetic coupling) between the metal-based element and the substrate without an Ohmic contact between the metal-based element and the substrate. In an example, a first subset of the plurality of the WECs is co-located on a first chip, and a second subset of the plurality of the WECs is co-located on a second chip. The first chip and the second chip may be located in a single device or in separate devices.Type: GrantFiled: September 8, 2010Date of Patent: January 8, 2013Assignee: Broadcom CorporationInventors: Jesus Alfonso Castaneda, Arya Reza Behzad, Michael Boers, Ahmadreza Reza Rofougaran, Sam Ziqun Zhao
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Publication number: 20130003794Abstract: An integrated circuit (IC) includes a first processing module that converts inbound data into an inbound digital audio signal and converts an outbound digital audio signal into outbound data. A second processing module performs a user application that includes at least one of generating of an inbound analog audio signal and generating an outbound analog audio signal. A third processing module performs an operating system algorithm to coordinate operation of at least one user application.Type: ApplicationFiled: September 13, 2012Publication date: January 3, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, MARYAM ROFOUGARAN, CLAUDE G. HAYEK, FREDERIC CHRISTIAN MARC HAYEM, VAFA JAMES RAKSHANI, HOOMAN DARABI
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Publication number: 20130003796Abstract: An integrated circuit (IC) includes at least one baseband section, at least one radio frequency (RF) section, and an interface module. The interface module is configured to couple the at least one baseband section to the at least one RF section, wherein the interface module includes an analog interface module and a digital interface module.Type: ApplicationFiled: September 14, 2012Publication date: January 3, 2013Applicant: BROADCOM CORPORATIONInventors: AHMADREZA (REZA) ROFOUGARAN, MARYAM ROFOUGARAN, CLAUDE G. HAYEK, FREDERIC CHRISTIAN MARC HAYEM, VAFA JAMES RAKSHANI, HOOMAN DARABI
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Patent number: 8339372Abstract: 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. A plurality of coupling elements 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: GrantFiled: April 20, 2009Date of Patent: December 25, 2012Assignee: Broadcom CorporationInventor: Ahmadreza Reza Rofougaran
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Patent number: 8338930Abstract: An integrated circuit includes a substrate and a first integrated circuit die having a first circuit coupled to the substrate via a first bonding wire, the first circuit having a first intra-chip interface. A second integrated circuit die has a second circuit coupled to the substrate via a second bonding wire, the second circuit having a second intra-chip interface, the second bonding wire electrically isolated from the first bonding wire. The first circuit communicates with the second circuit via the first intra-chip interface and the second intra-chip interface, and wherein the first intra-chip interface and the second intra-chip interface communicate via a first electromagnetic coupling between the first bonding wire and the second bonding wire.Type: GrantFiled: September 15, 2008Date of Patent: December 25, 2012Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran
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Patent number: 8339258Abstract: A dual band antenna includes a far field antenna structure for facilitating the communication of first data with a remote device via far field signaling in a millimeter wave band. A near field antenna structure facilitates the communication of second data with a remote device via near field signaling in a near field band. The far field antenna structure and the near field antenna structure share at least one common antenna element.Type: GrantFiled: October 14, 2011Date of Patent: December 25, 2012Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20120323088Abstract: 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: ApplicationFiled: August 6, 2012Publication date: December 20, 2012Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20120315991Abstract: An apparatus includes a transmitter and a receiver device, which includes a receiver section and a processing module. The transmitter transmits a high carrier frequency signal. The receiver section includes first and second antennas that have an antenna radiation relationship for receiving the high carrier frequency signal. A receiver module of the receiver section determines first and second signal properties of the received high carrier frequency signal. The processing module determines a position of the receiver device with respect to the transmitter based on the first and second signal properties and maps the position to a coordinate system.Type: ApplicationFiled: August 23, 2012Publication date: December 13, 2012Applicant: BROADCOM CORPORATIONInventors: Ahmadreza (Reza) Rofougaran, Maryam Rofougaran, Nambirajan Seshadri, Brima B. Ibrahim, John Walley, Jeyhan Karaoguz