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8542715 Ship based cellular and satellite communication  
A ship based cellular and satellite transceiver receives, demodulates and processes data, voice and video signals from a satellite transmitter and provides the processed signals in cascade to a...
8537878 Spread-spectrum codes generation  
A method for communicating comprises generating at least one spreading code from a preferred Golay generator and/or a preferred generalized Golay generator. The preferred generalized Golay...
8537745 Multiplexing arrangements for multiple receive antennas  
A method and apparatus processes a plurality of analog signals in a transceiver with multiple receive (Rx) antennas in a wireless communication system. By appropriate combining of the analog...
8532084 Method and system for synchronization in communication system  
A method can be used for facilitating an uplink synchronization between a first transceiver and a second transceiver within a cell in a multi-user cellular communication system. The first...
8532159 Transmitter, receiver, wireless communication system, and communication method  
A transmitter has a portion that sets a parameter about the transmitter itself based on a parameter made to correspond to a condition for selecting a receiver with which the transmitter...
8526376 Radio communication mobile station device and response signal spread sequence control method  
Provided is a radio communication mobile station device which can reduce the number of blind decoding processes at a mobile station without increasing the overhead by report information. The...
8526543 Quadrature imbalance estimation using unbiased training sequences  
A system and method are provided for removing quadrature imbalance errors in received data. The method accepts an unbiased training sequence in a quadrature demodulation receiver. An unbiased...
8519825 RFID transponder  
An RFID transponder (1) comprises a demodulator (3) for demodulating received phase modulated carrier signals (CSQ), converting them down to a modulated baseband signal (MS) and filtering the...
8514908 Integrated circuit for response signal spreading  
A radio communication apparatus receives control information on one or more control channel elements (CCEs) with consecutive CCE number(s). The radio communication apparatus first-spreads a...
8509284 Symbol duration dithering for secured chaotic communications  
A system for communicating a sequence of information symbols using a chaotic sequence spread spectrum signal. The system includes a transmitter (402) for transmitting a signal including the...
8509285 Base station apparatus and response signal receiving method  
A base station apparatus transmits control information to a radio communication apparatus on one or more control channel elements (CCEs) with consecutive CCE number(s) and receive a response...
8498658 Techniques and systems for providing data over power in communications based on time reversal  
Techniques, apparatuses and systems for providing communications based on time reversal of a channel impulse response of a pulse in a transmission channel between a transmitter and a receiver to...
8489033 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...
8488649 Code converting apparatus, receiver, and code converting method  
A code converting apparatus is designed to estimate the incoming time and the like of a signal modulated by a spreading sequence composed of m elements in a set A having n kinds of symbols as...
8489313 Method and apparatus for identifying through traffic  
In a method and an apparatus for identifying through traffic, entry into and exit from a predefined area are ascertained and the transit time is used to determine whether unauthorized transit...
8483625 Transceivers  
An RF transceiver apparatus comprises transmitter circuitry arranged to convert signals from a baseband frequency to RF transmission frequencies and receiver circuitry arranged to convert signals...
8472501 Human body communication apparatus for non-contact communications and human body communication method for non-contact communications in the same using frequency selective baseband  
Provided are a human body communication apparatus for non-contact communications using a frequency-selective baseband and a human body communication method for non-contact communications in the...
8472480 Spread code allocating method, despreading method, transmitting device, receiving device, communicating device, wireless base station device, and mobile terminal device  
A communication system, including a transmitter that transmits a signal by using a two-dimensional spread code used for making a spread in time and frequency directions and a receiver that...
8472572 Receiver with AFC function for operating in soft handover  
A receiver having Automatic Frequency Control (“AFC”) is described having at least one input signal terminal and an offset frequency estimation means for estimating each offset frequency of at...
8472502 Transmitting and receiving schemes for multiuser single-carrier space time spreading with frequency domain equalization  
Examples are disclosed for transmitting and receiving schemes for multiuser single-carrier space time spreading (STS) with frequency domain equalization.
8472505 Constant amplitude encoding apparatus and method for code division multiplexing communication system  
Disclosed are an apparatus and method for constant amplitude encoding of a transmission signal in a CDM (Code Division Multiplexing) communication system. The apparatus for constant amplitude...
8462830 Radio frequency distribution with spreading  
A system for distributing a radio frequency (RF) signal using a data cable system includes a method and apparatus with components that receive the RF signal, determine the passband of the data...
8462859 Sphere decoding apparatus  
Methods and apparatuses for decoding codewords received over a MIMO channel are provided. According to one aspect of the disclosure, a cost function is computed for each constellation point of an...
8446972 Communication system, reception device, and communication method  
A reception device which communicates with a transmission device including multiple transmission antennas, the reception device including: at least one reception antenna which receives multiple...
8446931 Chip timing synchronization for link that transitions between clear and spread modes  
Synchronization of a primary link which transitions between clear mode and spread mode is achieved and maintained using a secondary link. When transitioning from clear mode to spread mode, a...
8446973 Transmission and reception apparatus and method  
A transmission apparatus includes a plurality of orthogonal frequency division multiplexing (OFDM) modulation signal generators, which generate a first OFDM modulation signal and a second OFDM...
8446528 Display apparatus  
A display apparatus transmits a picture acquisition request for getting picture information to an external image apparatus connected through a predetermined interface to the display apparatus from...
8442132 Method and apparatus for allocating processing delays in multi-carrier systems  
A multi-carrier linear equalization receiver, e.g., a RAKE receiver or chip equalization receiver, is described herein. The multi-carrier receiver distributes processing delays among a plurality...
8437416 Coordinated cyclic shift and sequence hopping for Zadoff-Chu, modified Zadoff-Chu, and block-wise spreading sequences  
A reference signal cyclic shift (CS) is quantized as a combination of a cell specific CS with an outcome of a pseudo-random hopping, and an indication of the cell specific CS is broadcast in the...
8432951 Methods for transmitting and receiving a multicarrier spread-spectrum signal, corresponding signal, computer program products and transmission and reception devices  
A method and apparatus are provided for transmitting a multicarrier spread-spectrum signal formed by a temporal succession of multicarrier symbols, using OQAM modulation and a plurality of...
8432979 Coordinated cyclic shift and sequence hopping for Zadoff-Chu, modified Zadoff-Chu, and block-wise spreading sequences  
A cyclic shift of a reference signal is quantized as a combination of a cell specific cyclic shift with an outcome of a pseudo-random hopping, and an indication of the cell specific cyclic shift...
8428103 Discrete time chaos dithering  
The invention concerns a chaotic communications system, method and apparatus having a transmitter configured to spread an input data signal over a wide intermediate frequency band, by digitally...
8428105 Economical, RF transparent, selective code phased array antenna processor  
A single chip diversity beamforming antenna array processor is disclosed. The processor utilizes low-power and low area circuits to achieve combining gain mitigate the effects of multipath fading,...
8428104 Permission-based multiple access communications systems  
Systems (100) and methods (400) for selectively controlling access to multiple data streams which are communicated using a shared frequency spectrum and shared spreading codes. The methods involve...
8428102 Continuous time chaos dithering  
Embodiments of the present invention provide a system and method for further reducing cyclostationarity and correspondingly energy density in a chaotic spread spectrum data communication channel,...
8428108 Signal processing apparatus, information processing apparatus, signal processing method, data display method, and program  
In a signal processing apparatus a synchronizer acquires synchronization with the spreading code of an intermediate frequency signal converted from a signal received from a satellite in a global...
8427936 Multiple-access hybrid OFDM-CDMA system  
In one aspect of a multiple-access OFDM-CDMA system, the data spreading is performed in the frequency domain by spreading each data stream with a respective spreading code selected from a set of...
8422536 Spread spectrum clock signal generator method and system  
A system and method for generating a spread spectrum clock signal with a constant ppm offset as a function of a repetition number. A phase interpolator can be configured in association with of a...
8422532 Radio communication device and response signal spreading method  
A radio communication device in which the waste of physical resources involved in the repetition transmission of a response signal can be minimized with no restriction on the scheduling of a base...
8422606 Method and system for pre-equalization in a single weight spatial multiplexing MIMO system  
Certain aspects of the method may comprise receiving a plurality of spatially multiplexed communication signals from a plurality of transmit antennas at a base station. A plurality of vectors of...
8417191 Method and system for beamforming communication in high throughput wireless communication systems  
A method and system for beamforming communication in high throughput wireless communications. Analog beamforming involves constructing analog beamforming coefficients for beamforming communication...
8416887 Managing spectra of modulated signals in a communication network  
Information is modulated onto frequency components of a signal. The resulting modulated signal includes at least some redundancy in frequency enabling a portion of the information modulated onto...
8416836 Using OFDM to correct distortions in ultra-wide-band radios operating over flat millimeter-wave channels  
A Point-to-Point communication system includes (i) a millimeter-wave channel having a substantially flat channel transfer function between a first frequency of millimeter-waves and a second...
8412125 Wireless communication system with transmit diversity designs  
An apparatus for enabling a base station to transmit radio frequency signals with a transmit diversity technique comprises a first antenna implemented in the base station; and a second antenna...
8411728 Method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback  
A MIMO pre-coding system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback may include quantizing a change in channel state information in a MIMO...
RE44109 Method for effectively transmitting synchronization channel and method for allocating transmission power for the same  
A method for effectively allocating a transmission power and a method for transmitting SCH are disclosed. In this case, the transmission power of the SCH, which is important for initial cell...
8406276 Communications system employing orthogonal chaotic spreading codes  
Methods for code-division multiplex communications. The methods involve generating orthogonal or statistically orthogonal chaotic spreading codes (CSC1, . . . , CSCK) using different sets of...
8401054 Power detection in a spread spectrum system  
This disclosure relates to method, device and system for selecting a device for communication in a communication system. A node receives a spread signal from a first transmitter and a second...
8400230 Frequency modulation of clocks for EMI reduction  
In an electronic system, a frequency modulator manages clock signals for electromagnetic interference (EMI) reduction. The illustrative frequency modulator comprises a core oscillator, and a clock...
8401053 Active RFID apparatus for improving PN code generation  
An active radio frequency identification (RFID) apparatus having an additional transmitter in addition to a single transmitter is provided. The active RFID apparatus includes a first transmitter...