Patents Examined by Sujatha Sharma
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Patent number: 8543055Abstract: A passive frequency translator with positive conversion voltage gain including at least one input node for receiving an input signal, at least one output node for providing an output signal, and a network which includes capacitors and switches operatively coupled the capacitors and the one or more input and output nodes. The switches are controlled by corresponding clock signals to capture charge of the input signal onto the capacitors and to develop the output signal by performing frequency translation of the input signal by a mixing frequency. The output signal has a net voltage gain relative to the input signal in which energy of the output signal is predominantly derived from energy of the input signal. Furthermore, each of at least three capacitors are configured to capture charge from the input signal and to add constructively to deliver charge to at least one other capacitor coupled to the output node.Type: GrantFiled: May 6, 2011Date of Patent: September 24, 2013Assignee: Apple Inc.Inventors: Benjamin W. Cook, Axel D. Berny
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Patent number: 8538416Abstract: A method for collecting communication information, a test method and a network device are disclosed. The method for collecting communication information includes: presetting a command for collecting diagnostic information about voice quality, and obtaining Dual Tone Multi Frequency (DTMF) signals; and judging whether the DTMF signals match a preset command for collecting diagnostic information about voice quality, and collecting information according to the preset command if determining that the DTMF signals match the preset command. A test method is also provided, and, accordingly, a network device is provided. Through the technical solution under the present invention, diagnostic information is collected quickly after a voice quality problem occurs.Type: GrantFiled: December 27, 2010Date of Patent: September 17, 2013Assignee: Huawei Technologies Co., Ltd.Inventors: Yongli Jia, Xingwu Chen, Lin Xia
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Patent number: 8526993Abstract: Embodiments herein include a method and a network node in a wireless communications network for controlling a maximum output power of the network node. The network node comprises a Global Navigation Satellite System (GNSS) receiver. The GNSS receiver receives signals from the GNSS. The method comprises determining whether a GNSS signal transmitted from the GNSS is considered detectable. If the GNSS signal is considered detectable, the method includes determining whether the GNSS signal is received directly from the GNSS or via a GNSS repeater. The method further includes selecting a power control method for controlling the maximum output power of the network node, based on at least one of the determination of whether the GNSS signal is considered detectable, and the determination of whether the GNSS signal is received directly from the GNSS or via the GNSS repeater.Type: GrantFiled: December 22, 2010Date of Patent: September 3, 2013Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Aurelian Bria, Farshid Ghasemzadeh, Muhammad Ali Kazmi, Kai Yu
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Patent number: 8521212Abstract: A method for setting a power control level (600) in a wireless communication system. The method includes the steps of obtaining (620) transmission information from a wireless subscriber unit, and modifying a power control level and/or a communication channel format (660) in response to said transmission information. Preferably, the transmission information is re-transmission requests from a wireless subscriber unit, which are transmitted frequently. In this manner, rapid adjustment of power control can be attained utilizing an optimal selection of the available communication channel format, followed by a fine-tuning power control operation.Type: GrantFiled: February 23, 2012Date of Patent: August 27, 2013Assignee: Sony CorporationInventor: Nicholas William Anderson
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Patent number: 8509837Abstract: A method, system, and medium are provided for controlling power usage in a wireless telecommunications network, the method comprising transmitting a pilot signal to a mobile station over a wireless channel, receiving a response that includes a signal-to-interference-and-noise associated with said pilot signal, determining an instantaneous channel rate to be used for a subsequent data transmission to said mobile station based at least on said signal-to-interference-and-noise, selecting a transmit power level for said data transmission; and transmitting data to said mobile station at said channel rate and said power level.Type: GrantFiled: February 17, 2010Date of Patent: August 13, 2013Assignee: Sprint Communications Company L.P.Inventors: Hui Zang, Ashwin Sridharan, Majid Ghaderi
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Patent number: 8494512Abstract: A communication terminal includes a first wireless communication unit that communicates with a base station; a second wireless communication unit that communicates with another communication terminal including an equivalent of the first wireless communication unit; a temperature measurement unit; and a control unit that selects one of the first wireless communication unit and the second wireless communication unit according to a temperature measured by the a temperature measurement unit.Type: GrantFiled: September 27, 2006Date of Patent: July 23, 2013Assignee: Kyocera CorporationInventors: Takashi Matsumura, Tomohiro Miki
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Patent number: 8489145Abstract: A base station control apparatus for controlling a radio base station which carries out radio communications with a mobile communication terminal is characterized in that it includes a control unit for performing a control process of making the radio base station selectively perform either of two or more processes with different throughputs according to the scale of the radio base station. With this structure, the radio base station can have only a function based on to the scale thereof. For this reason, by omitting unnecessary functions, the radio base station can be miniaturized and the manufacturing cost of the radio base station can be reduced.Type: GrantFiled: April 26, 2005Date of Patent: July 16, 2013Assignee: Mitsubishi Electric CorporationInventors: Taisei Suemitsu, Kuniyuki Suzuki
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Patent number: 8483736Abstract: A radio channel control method for controlling, in a radio communication system having a transmitter and a receiver, a radio channel from the transmitter toward the receiver. The method includes receiving a signal transmitted from the transmitter by the receiver, measuring reception quality of the signal, generating information which indicates increment or decrement of the reception quality, and controlling a modulation or coding for the radio channel based on the information.Type: GrantFiled: December 22, 2010Date of Patent: July 9, 2013Assignee: Fujitsu LimitedInventors: Hideto Furukawa, Takashi Dateki
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Patent number: 8478191Abstract: Systems, methods and techniques for operating a wireless repeater with multiple antennas are presented. Signals from a wireless communication device are received by a wireless repeater on at least two branch channels associated with at least two repeater receiver antennas. Path or space diversity is resolved from the signals, and the signals are processed on the at least two branch channels to produce at least one strong signal to be repeated to another wireless communication device.Type: GrantFiled: June 2, 2008Date of Patent: July 2, 2013Assignee: Nextivity, Inc.Inventor: Behzad B. Mohebbi
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Patent number: 8457678Abstract: The present invention relates to a method for balancing the distribution of interference between radio cells in a wireless communication system comprising cells in which subcarrier blocks are used for communication. A number of adjacent cells build a cell cluster. Moreover, the present invention relates to a corresponding method adapted for use in a system in which multi beam antennas or multiple antennas are used. Furthermore, the present invention relates to base stations performing the above method as well as a communication system comprising the base stations.Type: GrantFiled: December 13, 2010Date of Patent: June 4, 2013Assignee: Panasonic CorporationInventors: Christian Wengerter, Alexander Golitschek Edler von Elbwart
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Patent number: 8457546Abstract: Systems and methods are provided to enable high-performance Internet access on board moving vehicles using WiFi data communication protocols. In an illustrative implementation, an exemplary wireless data communications environment comprises a ViFi module, an instruction set comprising at least one instruction set to process data for wireless communication between a cooperating component onboard a moving vehicle and other cooperating wireless components, and one or more wide-area wireless communications links. In an illustrative operation, the ViFi module can perform one or more wireless communications techniques to exploit macro-diversity and opportunistic receptions by cooperating WiFi base stations to minimize disruptions for mobile clients. The exemplary ViFi module can communicate data to and from one or more cooperating WiFI base stations such that the one or more base stations can operatively opportunistically overhear a packet, and can probabilistically relay the packet to the intended next hop.Type: GrantFiled: July 23, 2008Date of Patent: June 4, 2013Assignee: Microsoft CorporationInventors: Ratul Mahajan, Aruna Balasubramanian
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Patent number: 8442426Abstract: A method and system of performing high-throughput identifications of broadcast content is provided. A device can send a content identification query, which includes a sample of content being broadcast, to a server to request an identity of the content. The server will perform a computational identification of the content, return the result to the device, and store the result. For all subsequently received content identification queries requesting an identity of content being broadcast from the same source and in a time during which the content is still being broadcast from the source, the server will send the stored content identification in response to the subsequent queries. If a subsequent content identification query does not request the identity of content being broadcast from the same source or is not received during the time that the content is still being broadcast, the server will perform a computational identification of a content sample.Type: GrantFiled: December 1, 2011Date of Patent: May 14, 2013Assignee: Shazam Entertainment Ltd.Inventors: Avery Li-Chun Wang, Chee Wong, Jonathan Symons
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Patent number: 8442565Abstract: A method for indicating discontinuous data scheduling includes receiving discontinuous reception (DRX) indication information on an Iur interface; and sending discontinuous scheduling indication information to a base station according to the DRX indication information. A communication system and a radio network control device for implementing the method are also provided.Type: GrantFiled: December 11, 2010Date of Patent: May 14, 2013Assignee: Huawei Technologies Co., Ltd.Inventors: Yanyan Chen, Yongqiang Gao
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Patent number: 8437792Abstract: Systems and methodologies are described that facilitate employing aperiodic closed loop power control corrections in a Long Term Evolution (LTE) based wireless communication environment. An aperiodic power control command can be sent over a downlink to control and/or correct an uplink power level employed by an access terminal. Transmission of the aperiodic power control can be triggered by a measurement (e.g., received power being outside a set margin, . . . ). The aperiodic power control command can include a single-bit and/or a multi-bit correction. Further, the access terminal can alter the uplink power level employed for subsequent uplink transmissions based upon the aperiodic power control command when received. Additionally, regardless whether the aperiodic power control command is received at a given time over the downlink, the access terminal can employ periodic power control commands and an open loop power control mechanism to adjust the uplink power level.Type: GrantFiled: February 13, 2008Date of Patent: May 7, 2013Assignee: QUALCOMM IncorporatedInventors: Durga Prasad Malladi, Juan Montojo
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Patent number: 8437786Abstract: Embodiments of the present invention provide a method and a device for adjusting a frequency band mode, which relate to the field of wireless communications. The method includes: according to pre-stored base station location information and an azimuth of an antenna of each base station, displaying each base station and the antenna of each base station on a map by using a base station identifier and an antenna identifier respectively; and according to a pre-stored range of cells covered by each antenna and environment information of each cell, obtaining a configured neighboring cell of each cell, and displaying the cell covered by each antenna and the configured neighboring cell of each cell on the map.Type: GrantFiled: November 28, 2012Date of Patent: May 7, 2013Assignee: Huawei Technologies Co., Ltd.Inventor: Shaolei Wand
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Patent number: 8433376Abstract: A small form factor communication device. The small form factor communication device incorporates a multi-purpose control allowing the functionality of the small form factor communication device to be accessed. The multi-purpose control provides feedback allowing the user to operate the small form factor communication device by touch.Type: GrantFiled: January 29, 2010Date of Patent: April 30, 2013Inventor: Darrel Self
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Patent number: 8412242Abstract: A method and an apparatus for sending and receiving channel state information in network Multiple-Input Multiple-Output (MIMO) wireless communication systems are provided. Hybrid feedback technology is provided to transfer complete Channel State Information (CSI) to a transmitter by efficiently combining limited amounts of long-term channel information and short-term channel information are in a down link MIMO network system.Type: GrantFiled: December 30, 2010Date of Patent: April 2, 2013Assignees: Samsung Electronics Co., Ltd, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: In Ho Lee, Cheol Mun, Ju Ho Lee, Jin Kyu Han, Jong Gwan Yook
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Patent number: 8406747Abstract: The communication system has service providers arranged to receive service requests. In order to obtain a user friendly solution the system further has a service gateway that has a data storage configured to route a received service request to one of the service providers based on information included in the service request, a personal communication proxy that has a memory, a receiver for receiving a service request over a short-range radio system, and a processor identifying a service provider selected by the subscriber for the service in question, and for sending the service request to the identified service provider, and at least one subscriber apparatus for transmitting a service request.Type: GrantFiled: February 20, 2006Date of Patent: March 26, 2013Assignee: Emporime OyInventor: Petri Rahja
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Patent number: 8401587Abstract: According to one embodiment, a power supply tap includes a first wireless reception module which receives a control request which is transmitted from a remote-control terminal by a first wireless signal, a power observation module which is activated in a case where the received control request includes a power information acquisition request, and observes a total amount of power including power supplied to an electric apparatus from a power output module and power consumed by a communication control module, a first wireless transmission module which transmits the observed total amount of power to the remote-control terminal by a second wireless signal, and a switch control module which turns off a switch in a case where the control request received by the first wireless reception module includes a power-off request, thereby shutting off power supply to the electric apparatus from the power output module.Type: GrantFiled: April 17, 2012Date of Patent: March 19, 2013Assignee: Kabushiki Kaisha ToshibaInventor: Takashi Minemura
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Patent number: 8396473Abstract: A method and system for scanning channels in a network for incoming audio transmissions. A device enters an intelligent scanning mode, which initiates an automatic scanning of predefined channels for incoming audio transmissions. Upon detection, the device tunes to the channel of the incoming audio transmission while continually searching channels of a higher priority for incoming audio transmissions of a higher priority. A device enters a single channel mode to send an outgoing transmission, which automatically reverts the device to the channel of the last incoming audio transmission.Type: GrantFiled: March 16, 2007Date of Patent: March 12, 2013Assignee: Symbol Technologies, Inc.Inventors: Gary Binowski, Edwin Booth, John H. Du Hart, IV, Michael Faith, Michael N. Hagans, Edward Moskaluk, Stephen F. Paulus, Kelly Schlueter