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8183915 |
Oscillator, and receiving device and electronic device using the oscillator
An oscillator unit is configured such that a frequency adjustment unit of a synthesizer used by a controller is smaller than a frequency variation tracking capability of a demodulator connected to...
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8165547 |
Apparatus and method for acquiring synchronization to support multi-frequency in mobile communication terminal
An apparatus and a method for acquiring synchronization to support multi-frequency in a mobile communication terminal are provided. The apparatus includes a frequency generator, a control signal...
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8165538 |
Systems and methods for implementing a harmonic rejection mixer
Various embodiments of systems and methods for generating local oscillator (LO) signals for a harmonic rejection mixer are provided. One embodiment is a system for generating local oscillator (LO)...
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8135553 |
Method for clock calibration
A method for clock calibration is provided. The method comprises receiving discontinuous reception period (DRX period) information from a base station, computing a calibration duration according to...
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8121570 |
Method and system for flexible FM tuning
A system for processing signals is disclosed and may include a single chip having an integrated Bluetooth radio and an integrated FM radio. The single chip may include at least one processor that...
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8077818 |
Radio receiver
A radio receiver including a reception processing system that uses discrete-time frequency conversion to acquire a signal having a sampling rate corresponding to a local frequency, wherein the...
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8055225 |
FM receiver
An arctangent detector according to the present invention generates a demodulated signal based on the result of arctangent calculation of the ratio between an in-phase component and a quadrature...
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8055214 |
Mobile communication system
At a transmitting end, information data, which is data to be transmitted, is copied via a number of wireless transmission paths and then encoded. Each piece of data is then subjected to a...
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8045717 |
Stereo decoder and method for processing pilot signal
A stereo decoder and a method therefor are provided. The stereo decoder receives a MPX signal from an FM demodulator, and comprises a first auto-calibration circuit, a band-pass filter, a second...
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8041386 |
Configurable multiple mode RFIC
An integrated circuit (IC) includes a baseband processing module and a radio frequency (RF) section. The baseband processing module is coupled to convert outbound data or an outbound voice signal...
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8040178 |
Oscillator, and receiving device and electronic device using the oscillator
An oscillator unit is configured such that a frequency adjustment unit of a synthesizer used by a controller is smaller than a frequency variation tracking capability of a demodulator connected to...
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8036613 |
Communication system and method for operating a communication system
Communication system including a host and a device. The host has an oscillator and the device has a USB-function core. The oscillator in the host is coupled to the USB-function core in the device.
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8036614 |
Replica DLL for phase resetting
A method, algorithm, architecture, circuits, and/or systems for using a delay-locked loop (DLL) for phase adjustment in a direct conversion radio receiver are disclosed. The DLL is configured to...
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8005442 |
Wireless network connection system and method using injection locked oscillators
A wireless network connection system remotely connects to a network without the use of crystal reference oscillators. This provides communication at long range using a low transmit Effective...
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8000667 |
System and method for compensating for modulation induced frequency shift during transmission of a radio frequency signal
A method for compensating for frequency shifts during transmission of an RF control signal includes receiving a request to enter a transmission mode from a user. A carrier signal having a frequency...
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7965994 |
Method and system for an analog zero-IF interface for GSM receivers
Certain embodiments for an analog zero-IF interface for GSM receivers, where a receiver may receive RF signals and downconvert the RF signal to a VLIF signal in the analog domain. The VLIF signal...
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7917113 |
Method for synchronization in a mobile radio terminal
A method for synchronizing measurements in a mobile communication apparatus having a first active radio access means (100) adapted to communicate according to a first radio access technology (RAT)...
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7894851 |
Configurable multiple mode RFIC
An integrated circuit (IC) includes a baseband processing module and a radio frequency (RF) section. The baseband processing module is coupled to convert outbound data or an outbound voice signal...
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7856008 |
Synchronizing channel sharing with neighboring networks
The embodiments of the present invention provide a mechanism to synchronize centralized networks. Each centralized network includes a central coordinator controlling and managing network...
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7853021 |
Decoding apparatus and decoding method for multiple audio standards
The invention discloses a decoding apparatus for decoding an analog audio signal. The decoding apparatus includes an RF tuner, an analog to digital (A/D) converter, a digital down converter, and a...
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7848435 |
NxN multiple-input multiple-output transceiver
An N×N multiple-input multiple-output (MIMO) transceiver is provided. The transceiver includes a plurality of transceivers, each including at least one transceiver circuit; an oscillation unit ...
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7839725 |
Quadrature detection method, quadrature detection device and radio wave timepiece
A radio wave timepiece A and a quadrature detection device for executing a quadrature detecting method are disclosed including a receiving antenna 14 for receiving a carrier wave of a long wave...
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7801227 |
Methods and apparatus related to composite beacon and wideband synchronization signaling
A composite signal includes a high power beacon signal and low power corresponding wideband synchronization signal and is communicated over a time interval exceeding a single OFDM transmission time...
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7796964 |
Intermediate-frequency type radio signal receiver
A radio signal receiver includes an input for receiving an input signal having an input carrier frequency modulated by a payload signal to be detected. A frequency converter changes the carrier...
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7768981 |
Bluetooth coexistence timing synchronization
A wireless network device comprises a first wireless communication device that includes a first radio frequency (RF) transceiver that generates a synchronization pulse and that transmits and...
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7769352 |
Receiver and wireless communication apparatus
A receiver has a first voltage control oscillator configured to generate a first oscillation signal, a second voltage control oscillator configured to generate a second oscillation signal having a...
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7764941 |
Radio communications apparatus
A bit error rate of the reception signal is detected on the reception side, such that an n optimal modulation method and LO output power are determined in accordance with this bit error rate, and...
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7756496 |
Oscillation controlling apparatus, recording medium having program recorded thereon, and channel selecting apparatus
An oscillation controlling apparatus for controlling an oscillation frequency of an oscillation circuit to be a target frequency comprises a variable range dividing unit configured to dividing a...
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7724862 |
Phase locked loop apparatus with adjustable phase shift
The phase locked loop (PLL) with adjustable phase shift is described. The PLL includes a voltage controlled oscillator which is capable of generating multiple phase shifted output signals, and...
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7720444 |
Adaptive radio transceiver with a local oscillator
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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7702343 |
Efficient gap allocation for cell measurements in asynchronous communication networks
Techniques for allocating transmission gaps and making cell measurements in asynchronous communication networks are described. A terminal establishes communication with a first communication...
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7647032 |
Oscillation control device and synchronization system
An oscillation control device for controlling a frequency of an oscillator located at the remote site from a standard laboratory having a standard oscillator. The control device includes: a...
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7643593 |
System and method for read data recovery in a serial interface
A method for recovering data includes generating a plurality of out-of-phase clock signals. The method also includes generating samples of an incoming data signal, where a plurality of samples are...
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7610034 |
Method and apparatus for selection of design parameters for double conversion tuner to prevent radiated immunity degradation
A double conversion tuner system is disclosed that avoids the problem of degraded performance as a result of radiated interferers. Several selection criteria are described for specifying the...
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7574224 |
Methods and apparatus for performing timing synchronization with base stations
A wireless terminal using OFDM signaling supporting both terrestrial and satellite base station connectivity operates using conventional access probe signaling in a first mode of operation to...
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7558561 |
System for communicating a story mail between communications devices that extends voice mail
Methods and systems for communicating a story mail between communications devices extends voice mail are provided. In one embodiment, user specified correlation information that describes a...
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7551909 |
CMOS transceiver with dual current path VCO
A dual current path voltage controlled oscillator exhibits both the seamless frequency acquisition and uniform VCO gain reduction while preserving an original operating range and phase locked loop...
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7526302 |
Method of synchronizing a mobile station with a base station
The invention relates to a method of synchronizing a mobile station with a base station in a wireless communications system, to a mobile station for a wireless communications system, as well as to...
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7492850 |
Phase locked loop apparatus with adjustable phase shift
The phase locked loop (PLL) with adjustable phase shift is described. The PLL includes a voltage controlled oscillator which is capable of generating multiple phase shifted output signals, and...
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7383025 |
Method for processing RF signals for receiving and transmission
Methodology for processing of RF signals for receiving and transmission, which varies the frequencies of local oscillators, in order to enable the receivers and transmitters to operate with higher...
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7376207 |
Apparatus for receiving and recovering frequency shift keyed symbols
A receiver architecture for receiving an FSK signal having a predetermined number of modulation levels includes a selectivity filter (206) for selectively passing a wanted channel and rejecting...
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7359711 |
Methods and apparatus for improving accuracy of radio timing measurements
A system, method, apparatus, means, and computer program code for improving accuracy of radio timing measurements. According to some embodiments, a wireless terminal or other wireless device can...
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7313373 |
Crest factor reduction for use in a multiband transmitter
Crest factor reduction in a multiband transmitter is described. Component signals (xi[n]) are respectively obtained from constituent signals. The component signals (xi[n]) are respectively...
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7289005 |
Polar modulator and a method for modulation of a signal
A polar modulator contains a phase locked loop which is designed to emit a radio-frequency signal at one frequency to one output, with the frequency being derived from the reference signal and from...
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7280812 |
Digital baseband receiver with DC discharge and gain control circuits
A digital baseband (DBB) receiver for receiving and processing a wireless communication signal. The DBB receiver includes at least one low noise amplifier (LNA), at least one demodulator, a direct...
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7277683 |
Regenerative divider for up and down conversion of radio frequency (RF) signals
The present invention relates generally to communications, and more specifically to a method and apparatus for generating local oscillator signals used for up- and down-conversion of RF (radio...
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7269424 |
Mobile terminal implementing a ranging signal receiver and method
Mobile terminal implementing a ranging signal receiver and method. Means are provided to incorporate ranging signal reception capability into a mobile terminal (such as a UMTS terminal)...
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7151945 |
Method and apparatus for clock synchronization in a wireless network
A method and apparatus for synchronizing a local clock value in a wireless receiver receiving a data unit containing synchronization information. The method includes receiving a first data unit...
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7142818 |
Systems and methods for reducing radio receiver interference from an on-board avionics transmitter
Systems and methods for reducing interference in an enhanced radio receiver from a transmitter when both are located in the same aircraft are provided. The enhanced radio receiver detects and...
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7120412 |
Calibration circuit for VCO
A phase-locked loop circuit includes an array of selectable capacitors formed within the phase-locked loop circuit to enable the phase-locked loop circuit to provide a degree of coarse frequency...
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