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8787468 Method and apparatus for multi-radio coexistence  
A method for multi-radio coexistence receives historical frequency usage information and historical time usage information from a first radio. The method creates a time and frequency mask by...
8761290 Cognitive radio spectrum sensing via CDMA receiver coding  
Technologies are generally described for cognitive radio spectrum sensing via Code Division Multiple Access (CDMA) receiver coding. A CDMA module in the front-end of a cognitive radio system may...
8761231 Frequency modulating apparatus and transmitting apparatus including the same, and frequency demodulating apparatus and receiving apparatus including the same  
Provided are a frequency modulation/demodulation apparatus using a frequency selective baseband and a transmitting/receiving apparatus using the same. In a frequency selective baseband...
8755425 Method and system for transmission of identification via metadata for repeating relays using spread-spectrum technology  
A communication method for transmitting meta-data through a meta-carrier signal comprising encoding meta-data using an encoder, the meta-data comprising information that identifies a repeating...
8744005 Method and apparatus for generating modulation signals  
A method of generating modulation signals is disclosed including generally three steps. A plurality of modulation signals are generated, each of which is to be transmitted from a different one of...
8743928 Adaptive equalizer and operating method thereof  
An adaptive equalizer and operating method thereof are disclosed. The adaptive equalizer is oversampling-based. The adaptive equalizer includes a searching module, a compensation module, and an...
8737515 Method for determining the spatial position of an object, electronic circuit and electronic system  
A roulette table, including an electronic system having at least one electronic circuit, a number of M antennas, a Code Division Multiple Access (CDMA) transmitter for sending a number of M...
8730255 Video signal processing circuit, video signal processing method used in same, and image display device using same  
There is provided a video signal processing method for performing predetermined signal processing on an input video signal to transmit an output video signal in a form of a specified transmission...
8718118 Packet detector  
There are several exemplary ways to more efficiently communicate an out-of-domain seed to a receiver—in a first technique, the seed can be indicated in the header portion or data portion of a...
8705656 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...
8705459 Method for multiplexing control signals in a mobile communication system  
Disclosed is a method for multiplexing control signals between a plurality of users when control signals for the plurality of users are allocated within one resource block. That is, a method for...
8699633 Systems and methods for communication using dedicated reference signal (DRS)  
A method for communication includes receiving in a receiver signals, which include one or more dedicated reference signals and are transmitted from a transmitter over a communication channel in...
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...
8693522 Pilot sending method and apparatus  
Embodiments of the present invention provide a pilot sending method and an apparatus, which relate to the communication field and can save network resources. The solution is: performing spreading...
8693526 Unipolar spread spectrum modulation for low computation and power cost signal multiplexing with application to fNIRS measurments  
This invention teaches a way to multiplex and de-multiplex unipolar signals using spread spectrum methods. While bipolar spread spectrum signal multiplexing may be used in may applications, for...
8693523 QAM CDMA and TDMA communication methods  
Filtering and modulating a first rate data signal into a Quadrature Amplitude Modulated (QAM) Code Division Multiple Access (CDMA) and a second rate data signal into a Time Division Multiple...
8693602 Method and device for mono- and multi-antenna reception for Alamouti-type links  
Method and system for separating a plurality of users in a communication system including two transmitter antennas and N receiver antennas, said signals transmitted by said users containing...
8670477 System and apparatus for detecting interference in radio bands  
An apparatus and technique for measuring and coping with interfering signals in a wireless communications system. The apparatus and technique rapidly and regularly measures the signals present in...
8665975 Method for receiving data in multi input multi output  
Disclosed is a method for receiving data in a Multi Input Multi Output (MIMO) system, the method comprising: decoding data transmitted from a transmitter by using one beam-forming vector included...
8665856 Data processing apparatus, communication device, and data processing method  
A data processing apparatus includes a scrambling processing unit and a sending unit. The scrambling processing unit is configured to generate a Pseudo-Random Binary Sequence (PRBS), perform a...
8660224 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...
8660165 System and method for detecting spread spectrum signals in a wireless environment  
An apparatus for detecting a spread spectrum signal in a wireless signal environment includes at least one antenna for receiving spread spectrum signals, such as UMTS signals, from a signal source...
8654815 System and method for distributed antenna wireless communications  
A system and method are described for distributed antenna wireless communications. For example, a method implemented within a wireless transmission system comprised of a plurality of wireless...
8654817 Combining signals with a shuffled-hadamard function  
A method can include receiving, at a transmitter, during a symbol time that comprises a plurality of chip times, a data value for each of a plurality of distinct data channel inputs. During each...
8654816 Methods and devices for determining a transmission rank  
The invention relates to a method 20 in a base station 2 for determining a transmission rank. The base station 2 controls two or more transmit antenna ports 3a, 3b for supporting a multi-antenna...
8649416 Signal processing apparatus, information processing apparatus, signal processing method, data display method, and program  
A mobile electronic device that includes a circuitry configured to acquire synchronization with a spreading code of an intermediate frequency signal that is obtained by converting a frequency of a...
8649422 Method for transmitting a signal over a power line channel and power line communication modem  
A power line communication modem includes a receiver that receives a noise signal over a power line channel. The signal is OFDM-modulated on a set of sub-carriers, the sub-carriers being separated...
8644367 Antenna beam scan unit and wireless communication system using antenna beam scan unit  
An antenna beam scan unit includes: a Rotman lens that performs power division and synthesis between plural antenna ports and three or more beam ports; plural antenna elements which are connected...
8644362 Hybrid pseudo-random noise and chaotic signal implementation for covert communication  
A method and system for covert communication is provided by using a hybrid approach of pseudo-random noise (PN) sequencing with chaotic signals to make a transmitted waveform both hard to detect...
8638833 Method and apparatus for physical layer control communications in a wireless communications protocol  
A system is disclosed with a first transceiver configured to communicate with a second transceiver. The first transceiver includes a message encoded by a spreading code and a transmitter...
8630748 Method and apparatus for access and/or starting verification  
A method for access or starting verification for a vehicle using a mobile identification encoder and at least two antennas located in or on the vehicle at different locations includes: the...
8625653 Method for managing the operation of a wireless apparatus configured to exchange information with a millimeter-wave communication device, and corresponding apparatus  
A wireless apparatus includes a millimeter-wave communication interface configured to exchange information within a millimeter-wave communication network, an UWB communication interface and...
8625701 Antenna selection and training using a spatial spreading matrix for use in a wireless MIMO communication system  
Channel sounding information is received by a first communication device during an antenna selection training procedure. Antenna selection computations are performed, and the computations (i)...
8620226 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...
8619839 Interface module for a unit of an antenna distribution system, and antenna distribution system  
An interface module (4) for a unit (1, 2) which is designed to transmit and/or amplify essential communication signals inside an antenna distribution system (29) is specified, said module...
8615058 Signal acquisition system  
A signal acquisition system efficiently acquires a transmitted signal even at very low power. The system may synchronize to a preamble structure in the transmitted signal and, for example,...
8615265 Coded system for radio frequency communication  
A coded system for radio-frequency communication (RFC); the system comprising at least one base station (20) and a plurality of mobile devices (10); the base station and mobile devices are...
RE44635 Orthogonal complex spreading method for multichannel and apparatus thereof  
An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing αn1WM,n1Xn1 which is obtained by multiplying an...
8599727 Method for transmitting control information in wireless communication system and apparatus therefor  
A method for transmitting information data by using a Reed-Muller coding scheme in a wireless communication system is disclosed. The method includes the steps of configuring a number of resource...
8594153 Spread-spectrum receiver with progressive fourier transform  
A receiving system dynamically searches the communications band for transmissions of messages having the same nominal communications parameters, including the use of the same spreading code, but...
8576893 Systems and methods for high data rate ultra wideband communication  
A high data rate UWB system implements a frame structure that uses a connected set of m-sequences comprising the lowest possible cross-correlation and perfect, or near perfect autocorrelation....
8576738 Method, apparatus and system for sharing a subchannel  
A method, an apparatus and a system for sharing a subchannel are disclosed. The method includes: obtaining downlink state information and uplink state information of a subchannel; and scheduling...
8571086 System and method for DIDO precoding interpolation in multicarrier systems  
A system and machine-implemented method are described for performing precoding interpolation in a DIDO system which employs orthogonal frequency-division multiplexing (OFDM) and DIDO precoding to...
8565288 Apparatus and method for performing delay-locked loop operation on receiving signal  
A method for performing delay locked looping upon a received signal which reduces the asymmetry of auto-correlation function resulting from sampling is provided. The received signal is a spread...
8565209 Communication apparatus, communication system, communication method and computer-readable storage medium  
In a communication system adapted to MIMO transmission, a receiver may include a filter to filter signals received from a transmitter through the receiver antennas and having a weight matrix...
8565284 Spread spectrum clock generator and method  
A spread spectrum clock signal generator and an accompanying method provide a spread spectrum clock signal of a reduced electromagnetic interference. The spread spectrum clock signal generator...
8548026 Enhanced uplink packet transfer  
An enhanced spread-spectrum uplink technique provides more efficient packet transfer in a wireless network. A mobile station requests to utilize an uplink channel, typically, a physical dedicated...
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...
8542716 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,...
RE44507 Orthogonal complex spreading method for multichannel and apparatus thereof  
An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing αn1WM,n1Xn1 which is obtained by multiplying an...