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9042426 Wireless communication system  
A wireless communication system includes a mobile device carried by a user and an in-vehicle apparatus equipped to a vehicle and communicatively connected with the mobile device. The in-vehicle...
8982924 Architectures and methods for code combiners  
Various embodiments are directed to systems and methods for combining a plurality of codes. The plurality of codes may be binary codes having possible logical values of −1 and +1 and may comprise...
8938032 Low-rate long-range mode for OFDM wireless LAN  
A system for implementing an orthogonal frequency division multiplexing scheme and providing an improved range extension. The system includes a transmitter for transmitting data to a receiver. The...
8937984 Method and device for eliminating interference in mobile communication system  
The present invention relates to the field of communication technology, and provides a method and a device for eliminating interference in a mobile communication system. The method comprises: step...
8879378 Orthonormal time-frequency shifting and spectral shaping communications method  
A wireless combination time, frequency and spectral shaping communications method that transmits data in convolution unit matrices (data frames) of N×N (N2), where generally either all N2 data...
8804788 Radio communication device and semiconductor integrated circuit device used for the same  
A semiconductor integrated circuit for a radio communication terminal sequentially uses a plurality of frequency channels by instructions from a hopping frequency decision unit to receive packet...
8792533 Radio communication device and semiconductor integrated circuit device used for the same  
A semiconductor integrated circuit for a radio communication terminal sequentially uses a plurality of frequency channels by instructions from a hopping frequency decision unit to receive packet...
8787422 Dual fixed geometry fast fourier transform (FFT)  
A method includes executing a first instruction at a processor to perform a first fast Fourier transform (FFT) operation on a set of inputs in a time domain to produce data in a frequency domain,...
8774252 System and method for transmtting and receiving signal with quasi-periodic pulse sequence  
System and method are disclosed for synchronization of a transmitting device and a receiving device that communicate with each other via pulse modulation. The synchronization technique entails the...
8767795 Hybrid orthogonal frequency division multiple access WTRU and method  
A hybrid orthogonal frequency division multiple access (OFDMA) wireless transmit/receive unit (WTRU) and method are disclosed. A WTRU includes a transmitter and a receiver. The receiver processes...
8761299 Preamble generating apparatus, preamble generating method, and computer readable recording medium storing program  
A preamble generating apparatus used for synchronization of a reception apparatus in an orthogonal frequency division multiplexing system and generating a preamble to be added to a beginning of...
8699544 System and method for wireless communications  
System and method for enabling the cohabitation of licensed and unlicensed communications devices. A method comprises at a receiver, receiving transmitted data, demodulating the transmitted data...
8630329 High-speed sampling and low-precision quantification pulse ultra-wideband wireless communication method  
For a demand of high speed, low cost and low power loss short distance wireless communication, a high-speed sampling and low-precision quantification pulse ultra-wideband wireless communication...
8619902 Method of and generator for generating preamble sequences in communication systems  
A method forms a preamble sequence in a wireless communication system. The method comprises determining a value K related to a time-domain characteristic of the wireless communication system so...
8619920 Two-dimensional code spreading for interleaved FDMA system  
A transmitter comprises a first spreading unit configured to multiply each of multiple data symbols with a first spreading code sequence of a first spreading factor; a compression and repetition...
8600290 Hybrid band directed energy target disruption  
A technique for disrupting the operation of a target containing nonlinear electronic devices generally includes generating a high frequency signal; generating a low frequency signal; modulating...
8588795 Scheduling apparatus and method in a distributed antenna system  
A scheduling method in a distributed antenna system is provided. Each of a plurality of Mobile Stations (MSs), respectively corresponding to each subchannel, are classified as a Single...
8548027 Multi-ary error-correcting code transmitting and receiving apparatuse, data transmission system, and relevant method  
The embodiments of the present invention disclose an apparatus for transmitting multi-ary error-correcting codes, an apparatus for receiving multi-ary error-correcting codes, a data transmission...
8457221 Signaling transmission with localized spreading for wireless communication  
Techniques for transmitting signaling with localized spreading are described. In one design, a transmitter (e.g., a base station) spreads multiple signaling symbols to obtain multiple sets of...
8446884 Dual-mode communication devices, methods and systems  
Dual-mode communication devices, methods, and systems are provided. Embodiments of the present invention include devices, method, and systems enabling communication in a spread-spectrum...
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...
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...
8374214 Frequency-hopping scheme  
A method comprises generating, by logic, a random number. The method also comprises determining a next frequency in said sequence using the random number and one or more of a minimum separation, a...
8369793 Channel-dependent scheduling and link adaptation  
A mobile terminal measures interference over multiple measurement periods and generates interference probability data based on the statistical distribution of the interference measured. The...
8363693 Adaptive frequency hopping in time-slotted based wireless network  
In a wireless network system, the nodes share a frequency hopping pattern. A method comprises providing a channel list table which includes, for each transmitting node, one or more channel lists,...
8358676 Data transmitting/receiving method and apparatus in UWB communication system  
A data transmitting/receiving method and apparatus for allocating optimal sub-bands and transmission power levels and transmitting data in a ultra wide band (UWB) communication system. The method...
8340153 Hybrid orthogonal frequency division multiple access WTRU and method  
A hybrid orthogonal frequency division multiple access (OFDMA) wireless transmit/receive unit (WTRU) and method are disclosed. A WTRU includes a transmitter and a receiver. The receiver processes...
8331480 Method of and generator for generating preamble sequences in communication systems  
A method forms a preamble sequence in a wireless communication system. The method comprises determining a value K related to a time-domain characteristic of the wireless communication system so...
8331418 Communication device and method of communication that provide a silent period for detection and avoidance  
A system and method (600) of communication by a wireless device (200) operating according to a first communication protocol in at least a first set of frequency bands (320), provides a silent...
8300574 Method of uplink synchronization establishment based on the united transmission technology  
An establishment method of uplink synchronization based on the joint transmission technology utilizes channel symmetry and channel time correlation of the downlink and the uplink in TDD mobile...
8284816 Push-pull spread spectrum clock signal generator  
A spread spectrum clock signal generator modulates a reference clock signal based on a spread spectrum frequency profile and includes a phase-lock loop for generating a spread spectrum clock...
8270454 Wireless communication device, wireless communication system, wireless communication method and program  
A wireless communication device includes: a first transmission portion that transmits a radio signal using a plurality of frequency bands in accordance with a first frequency hopping pattern; a...
8249129 Wideband frequency hopping spread spectrum transmitters and related methods  
Systems and methods are disclosed that provide ultra-wideband frequency hopping spread spectrum (UWB-FHSS) solutions for transmit and receive architectures. These UWB-FHSS transmit and receive...
8155613 MIMO Phone  
In a RF communications system, aspects for single weight antenna system for HSDPA may comprise receiving HSDPA signals via a plurality of receive antennas and individually adjusting a phase of a...
8059710 Space-time coding method for a multi-antenna system of the UWB pulse type  
A space-time coding method for a UWB transmission system comprising at least two radiated elements. The method codes a block of information symbols S=(a1, a2 . . . , ap,)) belonging to an M-PPM...
8040855 Communication system using OFDM for one direction and DSSS for another direction  
A method and apparatus for wireless communication are described. In one embodiment, a method for communicating with a subscriber comprises transmitting orthogonal frequency domain multiplexing...
8023399 Channel estimation in a wireless communication system  
A plurality of communication bursts are transmitted substantially simultaneously in a time slot of a time division duplex/code division multiple access communication system. The communication...
8023551 Hybrid orthogonal frequency division multiple access WTRU and method  
A hybrid orthogonal frequency division multiple access (OFDMA) wireless transmit/receive unit (WTRU) and method. A WTRU includes a transmitter and a receiver. The receiver processes received data...
8014437 Low-rate long-range mode for OFDM wireless LAN  
A system for implementing an orthogonal frequency division multiplexing scheme and providing an improved range extension. The system includes a transmitter for transmitting data to a receiver. The...
7929619 Methods and apparatus for using tones in a wireless communication system  
Methods and apparatus for allocating tones for communications in the strip-symbol periods in an OFDM system are described. In a strip-symbol, the signal is transmitted using the tones in a tone...
7889054 Method and apparatus for creating scramble signals in RFID  
The disclosed inventions relate to a method and apparatus for creating scramble signals. The disclosed inventions further relate to a method and apparatus for creating scramble signals from data...
7839314 Satellite radio navigation receiver  
In a satellite radio navigation receiver receiving a transmitted radio navigation signal, a method of removing I/Q-mismatches in the received signal, comprising: resolving the received signal into...
7817706 Method and apparatus to perform reactive jamming while simultaneously avoiding friendly pseudo-random frequency hopping communications  
Method and Apparatus to Perform Reactive Jamming While Simultaneously Avoiding Friendly Pseudo-Random Frequency Hopping Communications is disclosed. The system provides an enhancement to surgical...
7792201 Apparatus and method for determining pilot pattern in a broadband wireless access communication system  
An apparatus and method for determining a pilot pattern in a Broadband Wireless Access (BWA) communication system are provided. In the pilot pattern determining method, an Orthogonal Frequency...
7787516 Wireless communication system for reducing ranging time  
A wireless communication system and a method for reducing a ranging time. The communication system includes a main synchronization block group which processes the transceived signal and determines...
7778377 Methods and apparatus for spread spectrum generation using a voltage controlled delay loop  
Methods and apparatus are provided for generating a frequency with a predefined offset from a reference frequency. A spread spectrum generator circuit is disclosed that comprises a voltage...
7746916 Method and apparatus for generating and transmitting code sequence in a wireless communication system  
A method of generating a code sequence in a wireless communication system is disclosed. More specifically, the method includes recognizing a desired length of the code sequence, generating a code...
7742516 Modulator  
A modulator, and more particularly an HPSK modulator, is disclosed that enables the circuit scale to be reduced and also enables power consumption to be reduced. An HPSK modulator 209 incorporated...
7733939 Low-rate long-range mode for OFDM wireless LAN  
A system for implementing an orthogonal frequency division multiplexing scheme and providing an improved range extension. The system includes a transmitter for transmitting data to a receiver. The...
7729450 Spread spectrum signal receiver  
A proposed spread spectrum signal receiver includes a radio front-end unit and a processing unit. The radio front-end unit, in turn, has an antenna, a digitizing circuit and a primary buffer unit....
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