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8184724 |
Wireless communication system and wireless communication method
In a wireless communication system in which a sending side derives transmit weight vectors based on feedback information and carries out precoding, performance degradation is caused when the...
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8175546 |
Receive antenna interface for an RF transceiver
The present receive antenna interface for an RF (radio frequency) transceiver includes a transmitting and receiving antenna. The receive antenna interface also includes a relay and an...
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8169319 |
Virtual group maintenance and security
A method of providing security and maintenance of a group of devices using a group of tags. Each of the tags is attached to a device and includes a radio frequency transceiver for...
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8165628 |
Device, system and method for multi-profile wireless communication
Briefly, some embodiments of the invention may provide devices, systems and methods for multi-profile wireless communication. For example, a wireless communication module may include first and...
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8160508 |
System and method for operational parameter selection to avoid interference in a wireless communication system
A wireless communication device uses operational parameters stored in a capabilities list to control operation of the device. The device may also provide auxiliary services, such as reception of...
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8144846 |
System and method for interrupting a transmitting communication unit in a communication system
A system and method for interrupting a transmitting communication unit in a communication system. When a call is first initiated, the call is assigned to a communication channel and broadcast from...
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8134450 |
Content provision to subscribers via wireless transmission
Methods and systems that provide content to subscribers via wireless transmission by initiating a page that does not automatically provide associated content. The content provider conserves air...
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8121557 |
Configurable RF sections for receiver and transmitter and methods for use therewith
A transceiver includes an RF receiver section having a plurality of RF receiver stages configured in parallel, and a configurable RF transmitter section. The plurality of RF receiver stages are...
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8116724 |
System containing location-based personal emergency response device
A safety system comprising a plurality of wearable transceiver devices for operation in independent use with a plurality of a landline-based phone and a cell phone to establish contact between a...
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8116684 |
Techniques to improve the radio co-existence of wireless signals
Techniques are described that can be used to perform one or more of the following actions in order to reduce signal interference between WLAN and BlueTooth radios that are proximate to one another....
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8111041 |
Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument
A power reception device transmits authentication information (e.g., start code, manufacturer ID, product ID, rated power information, and resonance characteristic information) to a power...
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8107893 |
Method and apparatus for transmission and reception of signals
A method and apparatus for transmission and reception of signals. An AlGaN amplifier is connected to an antenna. The AlGaN amplifier amplifies signals for transmission over the antenna and signals...
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8103267 |
Femtocell base station with mobile station capability
A communication device that includes a femtocell base station and a mobile station transmitter/receiver. The femtocell base station may provide bidirectional internet protocol (IP) communication...
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8099058 |
Enhanced wideband transceiver
A method for operating an integrated transceiver, comprising coupling an operating transmitter and an operating receiver within the integrated wideband receiver, inputting a signal into the...
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8093992 |
Wireless controlled devices for a weapon and wireless control thereof
A system and method related to weapon mounted auxiliary devices that can be operated by wireless remote control, and a remote controller by which an operator can operate the auxiliary devices...
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8086190 |
Method and system for reconfigurable devices for multi-frequency coexistence
Aspects of a method and system for reconfigurable devices for multi-frequency coexistence are provided. In this regard, an IC may be configured based on a frequency of signals processed by the IC....
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8086188 |
Transceiver
The transmitter of the transceiver includes: a transmitter-side mixers of a transmitter-side modulator; a transmitter-side voltage-controlled oscillator; and a transmitter-side divider. The divider...
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8072936 |
Method and apparatus for supporting handover from LTE/EUTRAN to GPRS/GERAN
A method and apparatus for handover of a dual mode wireless transmit/receive unit (WTRU) from an LTE system to a GERAN system uses measurements of the LTE and GERAN frequencies and a decision by a...
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8068792 |
In-band signaling for data communications over digital wireless telecommunications networks
An inband signaling modem communicates digital data over a voice channel of a wireless telecommunications network. An input receives digital data. An encoder converts the digital data into audio...
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8064846 |
Radio frequency circuit
A RF circuit includes a master PCB, a plurality of slave PCBs and a plurality of antennas. The master PCB includes at least two RF ICs and at least two transceiving diplexer groups for tranceiving...
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8050634 |
Transceiver with isolated receiver
A transceiver includes a transmitter configured to transmit a first radio frequency signal, a switching device connected to the transmitter and configured to receive and transmit the first radio...
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8045626 |
Differential transmitter, differential receiver, signal transmitter, and signal transmitting system
According to one embodiment of the present invention, it is possible to realize a signal transmitter which is capable of reducing power consumption and which can be easily designed. A differential...
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8032182 |
Subscriber identity module with an incorporated radio
A communication system includes a phone and a Subscriber Identity Module (SIM). The phone includes a user input interface, a first wireless transceiver and a first application program interface....
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8027645 |
Systems and methods for automatically tuning a frequency modulator in a mobile device
A method for automatically tuning a frequency modulator in a mobile device is described. A frequency band is automatically scanned using a frequency modulation (FM) receiver. The FM receiver is...
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8023902 |
Adaptive radio transceiver with an antenna matching circuit
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a...
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8010058 |
System and method for using meteor burst communications in a container tracking system
A system and method for communications between a plurality of shipping containers and a central monitoring station using a meteor burst communication method is provided. The system may also be used...
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7986957 |
Transmission level control method and transceiver apparatus in wireless local loop system
A transmission level control method in a wireless local loop system capable of suppressing occurrence of an unnecessarily high transmission level, comprises a step of generating a required...
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7984321 |
Data transfer control device and electronic instrument
A data transfer control device includes an OUT-transfer transmitter circuit which transmits OUT data by driving a serial signal line, a clock-transfer transmitter circuit which transmits a clock...
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7978781 |
Calibration correction for implicit beamforming in a wireless MIMO communication system
A first packet is transmitted via a forward channel corresponding to a signal direction from a first transceiver device to a second transceiver device, wherein the first packet includes a request...
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7941102 |
Partitioned radio-frequency apparatus and associated methods
Radio-frequency (RF) apparatus includes receiver analog circuitry that receives an RF signal and provides at least one digital signal to receiver digital circuitry that functions in cooperation...
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7937046 |
Wireless communication device for receiving mobile broadcasting signal and transmitting/receiving bluetooth signal with single antenna
Provided is a wireless communication device for receiving a mobile broadcasting signal and transmitting/receiving a Bluetooth® signal through a single antenna, which allows separation of the two ...
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7937063 |
Method and system for configuring a tower top low noise amplifier
A method and system for protecting a LNA by acquiring a radio frequency control channel signal at a tower top low noise amplifier (TTLNA) system. In response to acquiring the radio frequency...
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7929917 |
Enhanced wideband transceiver
A method for operating an integrated transceiver, comprising coupling an operating transmitter and an operating receiver within the integrated wideband receiver, inputting a signal into the...
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7925224 |
Wireless communication system
An apparatus to facilitate wireless communication where one side of the link is designed for ultra-low power consumption. The apparatus comprises two types of transceivers: a full function...
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7920832 |
Electrical device comprising analog frequency conversion circuitry and method for deriving characteristics thereof
An electrical device comprises analog conversion circuitry having an input and an output. The electrical device is essentially provided for converting a first input signal within a first frequency...
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7899015 |
Method and apparatus for resource reuse in a communication system
Method and apparatuses taught herein enable link adaptation feedback to be determined in advance for future transmit intervals, based on one or more data sending units sending indications of future...
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7899410 |
Adjustable antenna interface and applications thereof
An adjustable antenna interface includes a single-ended to differential conversion circuit, an adjustable impedance matching circuit, an RF differential switch, and an input. The single-ended to...
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7876200 |
In-vehicle call apparatus
In an in-vehicle theft call apparatus, when a relevant vehicle is in a non-stopped state, an electric power supply from an in-vehicle battery is maintained to both a Cellular wireless section and a...
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7869767 |
Method and apparatus for adaptively controlling signals
A signal processing system according to various aspects of the present invention includes an excursion signal generator, a scaling system and a filter system. The excursion signal generator...
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7864678 |
Rate adaptation in wireless systems
A transceiver in an ad hoc network may use a rate adaptation module to select an optimal data rate for a given wireless environment. The rate adaptation module may use a measured RSSI (Received...
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7830977 |
Providing CQI feedback with common code rate to a transmitter station
Methods and apparatuses for providing CQI feedback with common code rate to a transmitter station are described herein. In one implementation, the methods may include a receiver station that is...
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7831216 |
Mobile-station-assisted low-cost-internet-base-station-(LCIB) location determination
Methods and systems are provided for implementing mobile-station-assisted low-cost-Internet-base-station—(LCIB) location determination. In an embodiment, an LCIB receives location information o...
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7831215 |
Tranceiver circuit for compensating IQ mismatch and carrier leakage and method for controlling the same
Embodiments of methods, transceiver circuits, and systems can compensate an IQ mismatch (e.g., Tx or Rx) or a carrier leakage using a plurality of local oscillators. One embodiment of a transceiver...
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7831276 |
Portable computing, communication and entertainment device with central processor carried in a detachable handset
The present invention relates in general to portable processor based devices that provide computing, communication or entertainment functionality. More particularly, the present invention pertains...
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7831210 |
MEMS-based broadband transceiver/sensor
The present invention is a MEMS-based broadband transceiver/sensor. A MEMS-based transceiver/sensor in accordance with the present invention may comprise: (a) an antenna; (b) a front-end triplexer...
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7796954 |
Presence of communication interlock method and apparatus for reducing or eliminating aircraft communications radio interference
In one exemplary illustrative non-limiting aircraft radio communications system, a “POCI” (“Presence Of Communication Interlock”) is comprised of a double balanced low pass LC filter coverin...
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7792498 |
Apparatus for and method of automatic radio link establishment
A novel and useful mechanism for automatically establishing a radio link between a communications device and a commercially available FM radio receiver, thereby eliminating the need to manually...
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7787554 |
Beamforming to a subset of receive antennas in a wireless MIMO communication system
A beamforming technique used in a MIMO wireless transmission system performs beamforming based on a subset of the receiver antennas within the communication system to increase the speed and/or to...
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7783260 |
Method and apparatus for adaptively controlling signals
A signal processing system according to various aspects of the present invention includes an excursion signal generator, a scaling system and a filter system. The excursion signal generator...
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7783264 |
Diversity apparatus using leakage transmission path
A diversity apparatus includes a transceiver, a phase shifter which switches phases of a carrier wave transmitted from the transceiver, and a leakage transmission path which transmits the carrier...
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