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Document Title |
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8185064 |
Adaptive modulation control system and wireless communication apparatus
Object To reduce deterioration of transmission quality under circumstances where the moving speed is high.Overcoming MeansAn adaptive modulation control apparatus for adaptively selecting a...
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8175525 |
Conversion from note-based audio format to PCM-based audio format
A system and method for converting a note-based audio object to a Pulse Code Modulated (PCM) audio format is disclosed. An electronic computer device includes a memory containing a note-based audio...
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8160492 |
Wireless network system
A wireless communication device having extremely simple constitution is used, and a low-cost and low power consumption wireless network system with high-quality signals is provided. The wireless...
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8150315 |
Method for verifying the alignment between integrated electronic devices
A method for verifying alignment between first and second integrated devices coupled together using a reference and a coupling capacitor, including: transmitting a reference signal on a...
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8140005 |
Modular satellite transceiver
A modular satellite transceiver is provided according to some embodiments of the disclosure. The modular transceiver may include an RF module and a back end module. The RF module may operate in a...
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8135149 |
Wireless communication device
A wireless communication device includes a speaker grille, a built-in speaker provided behind the speaker grille, and an output amplifier connected to the built-in speaker. A voltage applied to the...
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8107875 |
Placement of gateways near service beams
A method and system are presented for operating a multibeam satellite system involving positioning a plurality of service beams associated with a plurality of service beam coverage areas and...
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8094629 |
Wireless local area network real-time quality management
The present invention provides a Wireless Local Area Network (WLAN) terminal, having a wireless interface that exchanges packetized communications with servicing Access Points (APs). A processing...
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8072284 |
Split delay-line oscillator for secure data transmission
A split delay-line oscillator for secure data transmission is disclosed. In one embodiment, an apparatus for a split delay-line oscillator for secure data transmission includes a first...
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8045937 |
Digital phase feedback for determining phase distortion
A feedback loop is used to determine phase distortion created in a signal by directly extracting the phase distortion information from a feedback signal using original frequency modulation...
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8027411 |
Wireless receiver
A wireless receiver having improved receiving characteristics is provided. The wireless receiver (151) is provided with an antenna (152) for receiving wireless signals including a modulation signal...
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8018914 |
Radio communication device, demodulation method, and frequency deflection correction circuit
A demodulation section 13 receives a TDMA-TDD based phase-modulated burst signal of mobile communications and demodulates the burst signal by a synchronous detection system (or a quasi-synchronous...
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8013519 |
Organic electroluminescent light source
An electroluminescent light source includes a substrate and a layer structure applied to the substrate for emitting light at least on the side facing away from the substrate. The layer structure...
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7970119 |
Ring tone visualizer
A device may retrieve a ring tone, an image, and a visual effect from a database based on a client line identifier. In addition, the device may generate frequency samples based on the ring tone,...
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7970354 |
Frequency agile duplex filter
Systems and methods are disclosed for an electronically adjustable signal filter system, which comprises, in some embodiments, a first filter coupled to an antenna coupling network and a second...
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7957692 |
Signal receiver circuit and method of implementation
Embodiments of the present invention recite an improved signal receiver circuit and a method of implementation. In one embodiment, a first signal pathway of a low-noise block feedhorn comprises a...
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7941194 |
Antenna co-location in portable devices for simultaneous receive and transmit
Systems and methods are disclosed for the co-location of radio frequency (RF) antennas in portable devices, portable devices and their docking stations and related systems, and devices with...
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7912423 |
Wireless communication system
A wireless communication system enabling multihop communication while maintaining the system throughput and preventing degradation of the user throughput. In the system, a BS (base station)...
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7899392 |
Relay system and method in a communication system
A relaying method and system in a communication system having a Base Station (BS), a Mobile Station (MS) for communicating with the BS, and a Relay Station (RS) for relaying signals between the BS...
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7881249 |
Method and apparatus for determining repeater use in wireless communications
A method and apparatus for determining whether a received signal is transmitted via a repeater is described. A source signal to be conveyed via a particular repeater may include, or be modified to...
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7856205 |
Conversion from note-based audio format to PCM-based audio format
A system and method for converting a polyphonic note-based audio object to a Pulse Code Modulated (PCM) audio format is disclosed. An electronic communication device includes a memory containing a...
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7853205 |
Methods for improving transmission efficiency of control channels in communication systems
Embodiments of the invention provide methods for optimizing the spectral efficiency of control channel transmissions carrying scheduling assignments from a serving Node B to user equipments. This...
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7782012 |
MP3 playing and charging system comprising a docking station having an adapter for installing MP3 and a dynamic speaker
In this present invention, MP3 playing and charging system having an adapter for installing MP3 and dynamic speakers which includes a docking station and two speakers that can be used in attached...
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7756222 |
Adaptive quantization method and apparatus for an OFDM receiver
A quadrature frequency division multiplexing (“OFDM”) wireless receiver, including methods and devices for adaptive quantization of OFDM signals according to modulation and coding schemes and sub...
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7756473 |
Apparatus and method of on-channel repeater
Provided are an on-channel repeater and a method thereof. The repeater receives signals on one channel and distributes the signals on the same channel by converting RF signals from a main...
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7746765 |
Method and system for allocating data bursts in a wireless communication system
A method and system for allocating data bursts in a wireless communication system. The system has a frame set by a symbol interval axis and a frequency band axis. The frame includes a first region...
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7722425 |
Electron source manufacturing method
An electron source excellent in the uniformity in current emission distribution is provided certainly and at a low cost. A process for producing an electron source having an electron emitting...
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7684759 |
Method for determining the damped natural frequencies of a dynamic system
The present invention is a novel device, system, and method for determining the damped natural frequencies of a dynamic system whose characteristics are available in the form of a “frequency r...
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7656960 |
Adaptive modulation method and coding rate control method
In a radio communication system, transmitter and receiver stations share information on a maximum number of bits communicated per symbol. The transmitter station encodes a signal with sufficient...
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7593695 |
RF transceiver incorporating dual-use PLL frequency synthesizer
A dual-use PLL frequency synthesizer for use in a transceiver is capable of operating as a local oscillation generator in a receiving mode and as a transmitter in a transmitting mode. The PLL...
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7587180 |
FM modulator
An FM modulator measuring an f-V characteristic of a voltage controlled oscillator in a reduced time period. In the FM modular a characteristic measurement time control section 110 notifies a...
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7570920 |
AM-FM hybrid signal communicated to RFID tags
An AM-FM hybrid signal is created which may be used to communicate simultaneously with both RFID tags that receive AM signals and wireless devices that receive FM or PM signals. The AM-FM hybrid...
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7522879 |
Communication apparatus and associated methodology of performing operator initiated near field communication
A portable terminal includes a near-field communication (NFC) device for performing information communication via near-field communication; a write button; and a read button. In order to write...
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7515645 |
Method for dividing the bit rate of QPSK signals into two or several subchannels
The invention relates to a method for dividing the bit rate of QPSK signals by splitting the spectrum of said QPSK signals into at least two channels having band-limited filters in the modulator...
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7492701 |
Apparatus and method for controlling adaptive modulation and coding in an orthogonal frequency division multiplexing communication system
A method and apparatus for controlling AMC in an OFDM communication system in which an entire frequency band is divided into a plurality of sub-carrier bands. In the AMC controlling method, power...
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7430397 |
Radio repeater and radio relay transmission method
A radio repeater including at least first and second relay systems, each including a reception antenna configured to receive a radio signal, a loop interference suppressor, connected to the...
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7420939 |
Methods and apparatus of power control in wireless communication systems
The present invention involves apparatus and methods to perform wireless terminal transmission power control. The invention uses novel and highly efficient methods to: convey power control...
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7412207 |
Signal path detection for wireless networks including repeaters
There is disclosed a method of determining the path of a signal between a donor network element and a remote station, the donor network element being associated with at least one repeater,...
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7336732 |
Carrier frequency detection for signal acquisition
A carrier frequency in a filtered received M-ary phase-shift keyed (MPSK) modulated signal having in-phase and quadrature components is detected by processing the filtered received signal to remove...
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7330451 |
Code division multiple access communication system and method
Disclosed is a CDMA communication system and method that make it possible to accommodate a greater number of user terminals that can be connected per facilities investment. Ternary phase-shift...
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7305052 |
UWB communication receiver feedback loop
A novel technique and structure that maximizes the extraction of information from reference pulses for UWB-TR receivers is introduced. The scheme efficiently processes an incoming signal to...
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7260356 |
Method and apparatus for wirelessly coupling a source signal to a radio frequency receiver
A digital audio system (20) can include a receiver (24) coupled to an RF modulator (30), a source signal modulated by the RF modulator to provide a modulated signal, and an external antenna (32)...
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7187716 |
Vehicle mounted DSRC apparatus
A vehicle mounted DSRC apparatus is capable of achieving reduction in the size and cost thereof. The vehicle mounted DSRC apparatus includes an ASK data generation part 11, an I data generation...
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7170961 |
Method and apparatus for frequency-domain tracking of residual frequency and channel estimation offsets
Various methods and apparatus for frequency-domain estimation of carrier frequency offsets are provided in which the carrier frequency offset estimate is robust against non-white...
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7167676 |
Base station device, mobile station device and transmission power controlling method
A spreading code notification section 201 notifies each mobile station apparatus of a spreading code corresponding to a mobile station apparatus currently communicating, a separation section 212...
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7120202 |
Wireless communication apparatus
In a wireless communication apparatus which has the functions of both ASK modulation and QPSK modulation, which can be manufactured at a low cost, and which is small in size, an output terminal of...
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7110718 |
Phase distortion using MOS nonlinear capacitance
RF phase distortion circuits and methods for controllably phase distorting an RF signal based on amplitude of the RF signal. An MOS device is provided having a body of a first conductivity type and...
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7095996 |
Wireless communication system, and demodulation method and data rate control method therefor
A transmitter and a receiver share a maximum number of transmission bits per symbol as a parameter. The transmitter modulates an encoded and interleaved transmission signal in accordance with a...
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7068984 |
Systems and methods for amplification of a communication signal
Bandwidth reduction of amplitude and/or phase components of relatively wide bandwidth composite signal. In an exemplary embodiment, an EER amplifier system for CDMA signal amplification includes an...
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7069049 |
Apparatus and method for controlling duplication structure of base station transceiver subsystem in a mobile communication system
An apparatus and method for controlling a duplication structure of a Base station Transceiver Subsystem (BTS) is provided. The BTS has N number of sectors including a first sector to an Nth sector...
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