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Match Document Document Title
9008601 Single differential-inductor VCO with implicit common-mode resonance  
A circuit for a single differential-inductor oscillator with common-mode resonance may include a tank circuit formed by coupling a first inductor with a pair of first capacitors; a cross-coupled...
8954055 Initial acquisition and neighbor search algorithms for wireless networks  
In a wireless network, a base station (BS) may send a primary synchronization signal (PSS) and a secondary synchronization signal (SSS). The synchronization signals may be used by user equipments...
8929486 Polar receiver architecture and signal processing methods  
Compressing a variable phase component of a received modulated signal with a second harmonic injection locking oscillator, and generating a delayed phase-compressed signal with a fundamental...
8907688 Method and device for supplying clock  
A clock supplying device for supplying a clock signal to be used in an operation of a communication apparatus, includes an oscillator for generating the clock signal; a measurement unit for...
8849228 Receiver capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof  
A receiver having a mixer for mixing a radio frequency signal and a local oscillator signal so as to generate a base band signal, a detecting unit for generating from the base band signal a...
8839020 Dual mode clock/data recovery circuit  
A clock/data recovery circuit includes an edge detector circuit operable to receive a serial data burst and to generate a reset signal in response to a first edge of the serial data burst. The...
8804875 Polar receiver architecture and signal processing methods  
Compressing a variable phase component of a received modulated signal with a second harmonic injection locking oscillator, and generating a delayed phase-compressed signal with a fundamental...
8755466 Receiver, receiving method, and use of an in-phase signal and a quadrature-phase signal  
A receiver, receiving method, and use of an in-phase signal and a quadrature-phase signal is provided, that includes a mixer in the receiving path, an oscillator whose output is connected to a...
8744385 Efficient reduction of local oscillator leakage  
A frequency conversion system includes a mixer, which is coupled to mix an input signal with a Local Oscillator (LO) signal, so as to produce an output signal. Control circuitry is configured to...
8725092 Methods and apparatuses for frequency filtering for non-centered component carrier transmission  
In accordance with an example embodiment of the present invention, an apparatus comprises a first multiplier configured to convert a first frequency signal into a second frequency signal based at...
8712357 LO generation with deskewed input oscillator signal  
Techniques for generating local oscillator (LO) signals are described. In one design, an apparatus may include a deskew circuit and a divider circuit. The deskew circuit may receive a differential...
8712356 Apparatus and method for phase synchronization in radio frequency transmitters  
Apparatus and methods are disclosed related to phase synchronization in transmitters. One such apparatus includes a wireless transmitter with two or more separate and unrelated local oscillators....
8671302 Method and apparatus for wireless clock regeneration  
Methods and systems for operating a wireless clock system for multimedia datastream transmission and display. Source clock frames are compared with a reference clock frames and the clock...
8638174 Digital signal generator  
The invention relates to a digital signal generator for providing one or more phases of a local oscillator signal for use in digital to analogue converters and harmonic rejection mixers....
8630679 Wireless communication unit, baseband module, radio frequency module, wireless terminal and computer program product  
A wireless communication unit has two or more communication modes including one or more mobile phone mode, in which mobile phone mode the wireless communication unit is able to transmit or receive...
8626102 Radio coexistence using clock rate adaptation  
Systems, methods, and other embodiments associated with radio coexistence using clock rate adaptation are described. According to one embodiment, a device includes a system bus configured to...
8570887 Analog bias control for packet communication systems  
Apparatus having corresponding methods and non-transitory computer-readable media comprise an amplifier configured to amplify signals according to a bias current, wherein the signals represent...
8515379 Receiver capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof  
An adjusting method for reducing local oscillation leakage or I/Q mismatch in a receiver includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b)...
8503950 Circuit and method for crest factor reduction  
Approaches for crest factor reduction in a multiband transmitter. An input data signal is placed on a first frequency band, and a second frequency band that is inactive is selected. The second...
8498601 Polar receiver using injection-locking technique  
A polar receiver using injection-locking technique includes an antenna, a first filter, a first voltage-controlled oscillator, a first mixer, a frequency discriminator, a second filter, a third...
8483322 Automatic frequency correction  
A receiver front end receives a local frequency reference signal and a Frequency Shift Keying modulated signal comprising a synchronisation sequence, and downconverts the Frequency Shift Keying...
8483731 Systems and methods for base station reference frequency correction and timing correction using transceiver feedback  
A wireless communications system includes a radio resource manager, one or more base stations, and one or more wireless transceivers capable of communicating with the base stations. The wireless...
8457578 Discrete time receiver  
A discrete time receiver includes a low noise transconductance amplifier (LNTA), a discrete time sampler, a passive discrete time circuit, and a switched capacitor amplifier. The LNTA amplifies a...
8442147 Multi-carrier communication apparatus  
A local carrier wave output from a synthesizer to quadrature demodulators is multiplied by an offset that makes a frequency shift by an integer number of subcarriers in units of sub-carrier bands....
8426342 Method for weed control in lawn  
The invention relates to the use of one or more compounds of the formula (I) or salts thereof, wherein the groups R1 to R8 are defined as set forth herein, optionally in the presence of additional...
8416761 Mitigating synchronization loss  
Disclosed are a wireless communication system, method, and site controller for mitigating at least one of a transmission timing synchronization loss and a receiving timing synchronization loss at...
8406795 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...
8406707 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)...
8355752 Using LO shifting to prevent a local transceiver from interfering with an FM radio  
A cellular telephone includes cellular telephone circuitry and an FM receiver. An FM signal being received is downconverted by a mixer. The downconverted signal is processed to generate an FM...
8340672 Wireless network synchronization of cells and client devices on a network  
A wireless synchronization device is used to coordinate the timing and activities of individual, possibly physically separated, wireless service providers with defined coverage area. Further, the...
8340656 Systems and methods for synchronizing data transmission over a voice channel of a telephone network  
Various embodiments facilitate data communication between a client device and a remote device over a voice channel of a telephone system. In one embodiment, the data communication over the voice...
8315214 Method and system for discontinuous reception de-synchronization detection  
A method and apparatus for discontinuous reception desynchronization detection between an enhanced Node B and a user equipment, the method having the steps of: waiting for a predefined event to...
8315586 Signal receiving device and signal receiving method using same, and signal supplying unit and signal supplying method using same  
A signal receiving device is provided which can prevent the imbalance occurring between in-phase and quadrature signals. A polarity of a local oscillator output signal to be outputted from a local...
8310303 Demodulator and communication apparatus  
Disclosed herein is a demodulator, including: a frequency synchronization section adapted to synchronize a frequency of a local oscillation signal to be produced on the demodulator side with a...
8306067 Dual-frequency multiplexer  
The invention discloses a dual frequency multiplexer by which a first and second coaxial harmonic oscillator type band pass filters are disposed in a box. The box includes a base body, a cover...
8300622 Systems and methods for tandem free operation signal transmission  
Systems and methods are provided for reducing signal distortion during tandem free operation signal transmission from a first mobile station to a second mobile station over a network; the systems...
8300621 System and method for timing acquisition and carrier frequency offset estimation in wireless communication based on OFDM  
The present invention relates to a method for timing acquisition and carrier frequency offset estimation of an OFDM communication system and an apparatus using the same. For this purpose the...
8280330 Crystal-less clock generation for radio frequency receivers  
Systems and methods of clock generation for radio frequency receiver. In radio frequency receiver, the system requires accurate local oscillating (LO) signal and system clocks for proper operation...
8280327 Receiver capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof  
An adjusting method for reducing local oscillation leakage or I/Q mismatch in a receiver includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b)...
8259888 Method of processing signal data with corrected clock phase offset  
The present invention provides a method of processing signal data comprising generating a first clock signal and a second clock signal and processing the signal data using the first clock signal...
8250399 Method and apparatus for clock wander compensation  
Aspects of the disclosure provide a network device. The network device includes a first port coupled to a first device to communicate with the first device, and a clock wander compensation module....
8218516 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...
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...
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)...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 352 1 2 3 4 5 6 7 8 >