AMBIENT POWER DEVICE-INITIATED SECURE COMMUNICATIONS USING WIRELESS BACKSCATTERING

Detection and Estimation of Direct and Reflected Navigation Satellite Signal Parameters in a Miltipath Environment

MULTIPLE ACCESS TECHNIQUES IN ULTRA-WIDEBAND (UWB) POSITIONING

APPARATUS AND METHOD FOR DETERMINING SIGNAL CORRELATION

Frequency-shift Symmetric Chirp Spread Spectrum Modulation and Demodulation Method for Interstellar Communication Links

Detection and Estimation of Direct and Reflected Navigation Satellite Signal Parameters in a Multipath Environment

Adaptive spreading factor matching for single channel LoRa receivers

Methods and Devices for Global Navigation Satellite System (GNSS) Signal Acquisition

Radio signal device and method for fast time ambiguity resolution

METHOD FOR ANTENNA CALIBRATION AND ACTIVE ANTENNA SYSTEM FOR USE IN ANTENNA CALIBRATION

RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD

Methods and devices for global navigation satellite system (GNSS) signal acquisition

Systems and methods for synchronizing time, frequency, and phase among a plurality of devices

ENCRYPTION PROTECTED PLASMA COMPRESSION FUSION DEVICE

Threshold driven error correction for chirp spread spectrum

Method for antenna calibration and active antenna system for use in antenna calibration

TERMINAL APPARATUS AND METHOD FOR TRANSMITTING A RESPONSE SIGNAL AT A TERMINAL

Data transmission in synchronization slots

System and method for providing a unified global navigation satellite system (GNSS) receiver

Radio transmission device and radio transmission method

Systems and methods for synchronizing time, frequency, and phase among a plurality of devices

Carrier aggregation with switchable impedance and reconfigurable network selection

Signal acquisition device

Terminal apparatus and method for transmitting a response signal at a terminal

WIRELESS COEXISTENCE USING RADIO ENERGY DETECTION AND CLASSIFICATION

Method and apparatus for the reception of a signal

Robust radio packet acquisition in the presence of continuous wave interference

Apparatus and methods for obtaining a correlation function in the frequency domain

Synchronized CPDMA (code phase division multiple access)

Radio transmission device and radio transmission method

Receiver, transmitter, radio communication system, and radio communication method

Phase synchronization for reciprocity-based CoMP joint transmission with UE feedback of both co-phasing and slope

Method, system and computer program for synchronizing pseudorandom binary sequence modules

GPS holdover with selected bit prediction or omission

Distortion cancellation device and method

Data transmission in synchronization slots

LTE-WiFi aggregation (LWA) support in a cloud-RAN system

Switchable impedance phase shifter for switched multiplexing applications

Methods and apparatus for construction of SCMA codebooks

Methods and device for improved cell synchronization

Demodulation apparatus

Satellite radio wave receiving apparatus, radio controlled watch, code signal acquiring method, and recording medium

Radio transmission device and radio transmission method

Terminal apparatus and method for transmitting a response signal at a terminal

LOCATION MEASURING METHOD AND SYSTEM FOR ACCEPTABLE A PLURALITY OF UWB TAGS

Spread spectrum clock generation using a tapped delay line and entropy injection

Radio transmission device and radio transmission method

Electronic receiver with open-loop correlators for mitigating the multipath interference, and method for estimating an alignment error

Method for acquiring a gold sequence by double iterative decoding

Robust time shift tracking UWB receiver

Method and receiver for receiving a binary offset carrier composite signal

Transmission device, reception device, and radio communication method

Method and device for reducing bit error rate in CDMA communication system

Methods and apparatus for frequency offset estimation and correction prior to preamble detection of direct sequence spread spectrum (DSSS) signals

Method and receiver for receiving a binary offset carrier composite signal

Integrated circuit for reducing blind decoding processes at a mobile communication device

Method for generating unambiguous correlation function for CBOC(6,1,1/11) signal based on multi stage composition of partial correlation functions, apparatus for tracking CBOC signals and satellite navigation signal receiver system

Synchronization device and synchronization method thereof

Circuits, devices, and processes for improved positioning satellite reception and other spread spectrum reception

Device for receiving signals which have carrier frequencies and codes

Reacquisition method of a CDMA modulated satellite signals and receiving apparatus implementing the method

Communication apparatus and method for receiving a response signal

System, method, and computer program for a low power and low cost GNSS receiver

Code division multiple access mobile communication system

Multi-detection of heartbeat to reduce error probability

Direct sequence spread spectrum signal receiving device and method

Arrangement for synchronizing access points in WLAN using direct-sequence spread spectrum signaling

Method of acquiring a GPS signal by iterative decoding

Devices and methods for facilitating reacquisition procedures

Correlation calculating method, satellite signal capturing method, and correlation calculating circuit

Methods, apparatuses and computer program products for code correlation of multi-path spread spectrum signals

WIRELESS COMMUNICATION SYSTEM AND TIME SYNCHRONIZATION METHOD OF THE SAME

Global navigation satellite system signal decomposition and parameterization algorithm

Integrated circuit for radio transmission of ACK/NACK signal

Method implemented by a subscriber unit for selectively suppressing communications

Antenna diversity control for beamforming in an antenna array

Terminal apparatus and method for transmitting a response signal at a terminal

Transmission device, reception device, and radio communication method

Signature detection and timing offset estimation

Monitoring of power-consumption

Receiver for detection and time recovery of non-coherent signals and methods of operating same

Signal processing apparatus, information processing apparatus, signal processing method, data display method, and program

Systems and methods for managing on-time of wireless receivers

Circuits, devices, and processes for improved positioning satellite reception and other spread spectrum reception

Method and device for acquiring a code phase shift between an input sequence and a reference sequence

Spectrum spread communication system

Code division multiple access mobile communication system

Receiving apparatus and method for multi-frame synchronization

CHIP X2 CORRELATION HYPOTHESES USING CHIP X1 SAMPLES

GNSS receiver and positioning method

RACH RAMP-UP ACKNOWLEDGEMENT

Transmission device, reception device, and radio communication method

Technique for searching for a preamble signal in a spread spectrum using a fast hadamard transform

Method and apparatus for dual frequency timing acquisition for compressed WCDMA communication networks

System and method for synchronizing digital bits in a data stream

Cross-talk coefficient updating in vector transmission

CROSS-TALK MITIGATION IN GLOBAL NAVIGATION SATELLITE SYSTEMS

Spread-spectrum receiver with progressive fourier transform

METHOD AND APPARATUS FOR PERFORMING AN ACCESS PROCEDURE

RECEPTION OF SPREAD SPECTRUM SIGNALS

Method and system for multi-antenna preambles for wireless networks preserving backward compatibility

Radio transmission device and radio transmission method

Synchronization processing circuit and synchronization processing method in wireless communication system

Correlation calculating method, satellite signal capturing method, and correlation calculating circuit

Method for optimizing an acquisition of a spread-spectrum signal from a satellite by a mobile receiver

Method and system for spread spectrum signal acquisition

ADAPTIVE FORWARD POWER CONTROL AND ADAPTIVE REVERSE POWER CONTROL FOR SPREAD-SPECTRUM COMMUNICATIONS

Serial cancellation receiver design for a coded signal processing engine

Method and apparatus for pilot signal processing in a wireless communication system

Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter

Code division multiple access (CDMA) communication system

Modulation device and demodulation device

Wireless communication system

Reception apparatus using spread spectrum communication scheme

Method implemented by a subscriber unit for selectively suppressing communications

Multi-frequency GNSS receiver baseband DSP

Arrangement for determining a characteristic form of an input signal

System and method for generating and detecting the identifier sequence of the bandwidth-limited transmitter

CARRIER FREQUENCY SYNCHRONIZATION DETECTION CIRCUIT AND CORRELATION CALCULATOR

Economical, RF transparent, selective code phased array antenna processor

Apparatus and method for estimating a frequency shift and a time shift

Method of reception and receiver for a radio navigation signal modulated by a CBOC or TMBOC spread waveform

Timing regenerating device

Receiver, signal processing method and program

Anti-jam communications having selectively variable peak-to-average power ratio including a chaotic constant amplitude zero autocorrelation waveform

Code synchronization circuit, delay time measurement device, control method, control program, and computer-readable storage medium

Apparatus and method for receiving signal using rake receiver and equalizer in wireless communication system

Spreading code acquisition for direct sequence spread spectrum signals

Code converting apparatus, receiver, and code converting method

Squaring loss inhibition for low signal levels in positioning systems

Code division multiple access mobile communication system

CODE DETECTION

Communications in an asynchronous cellular wireless network

Method for performing cell search procedure in wireless communication system

Data signal phase reversal correction method and system implementing the same

Processing transmissions in a wireless communication system

Low complexity acquisition method for GNSS

Signal processing apparatus, information processing apparatus, signal processing method, data display method, and program

Apparatus for and method of making pulse-shape measurements

Radio communication mobile station device and response signal spread sequence control method

FRAME NUMBER DETECTING DEVICE

Method for estimating a carrier-frequency shift in a telecommunication signals receiver, notably a mobile device

SPREAD SPECTRUM TRANSCEIVER

System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system

Transmission device, reception device and radio communication method

BOC signal acquisition and tracking method and apparatus

Cross-talk coefficient updating in vector transmission

Method and receiver apparatus for determining a correlation value considering frequency correction

APPARATUS AND METHOD FOR FAST SYNCHRONIZATION IN A DUAL MODE SYSTEM

Direct Sequence Spread Spectrum Correlation Method for a Multiprocessor Array

SYSTEM FOR USING RAPID ACQUISITION SPREADING CODES FOR SPREAD-SPECTRUM COMMUNICATIONS

Preamble capture and medium access control

Synchronization error tracking device and method thereof

Cross-talk mitigation in global navigation satellite systems

Synchronizer for communication device and access point

Supporting a Signal Acquisition

Frame synchronization method and receiver for communication modem using the same

Method and system for maintaining integrity of a binary offset carrier signal

Methods, apparatuses and computer program products for code correlation of multi-path spread spectrum signals

Detection device of a spreading code and a timing, and a method thereof

Arrangement for synchronizing access points in WLAN using direct-sequence spread spectrum signaling

SYSTEM ACQUISITION WITH INTERFERENCE CANCELLATION IN THE PRESENCE OF FEMTOCELLS

GNSS signal processor

Pilot signals for synchronization and/or channel estimation

Method and arrangement for preamble detection

RECEIVING APPARATUS AND COMMUNICATION CONTROL METHOD

Apparatus and method for correlation in a GPS receiver

Technique for searching for a preamble signal in a spread spectrum signal using a fast Hadamard transform

Acquisition pilots for wireless communication systems

Method and apparatus for fast nearest neighbor search for vector quantizers

Spectrum spreading signal demodulation method and apparatus

Spectrum spreading signal demodulation method and apparatus

EFFICIENT MULTIPATH CENTROID TRACKING CIRCUIT FOR A CODE DIVISION MULTIPLE ACCESS (CDMA) SYSTEM

MOBILE RADIO TERMINAL AND RADIO COMMUNICATION METHOD

Method and device of peak detection in preamble synchronization for direct sequence spread spectrum communication

Transmitter, receiver, mobile communication system and synchronization channel

Search frequency correction method, positioning method, program, and receiving apparatus

Hybrid polyphase and joint time-frequency detection

Spread-spectrum receiver and reception method

System And Method For Fast Acquisition Of Ultra Wideband Signals

Receiver for wireless communication network with extended range

Pseudo Noise Coded Communication Systems

Signal receiver using data bit search in alternating time segments

Random phase multiple access communication interface system and method

RANDOM PHASE MULTIPLE ACCESS SYSTEM WITH LOCATION TRACKING

Despreading spread spectrum data

Random phase multiple access system with location tracking

Slotted mode acquisition

Uplink transmitter in a random phase multiple access communication system

Correlator for tracking satellite signal

Doppler and code phase searches in a GNSS receiver

Method and apparatus for utilizing synchronization information

Receiving device for spread spectrum communication

POST CORRELATION SYSTEM FOR GNSS RECEIVER

Pilot signals for synchronization and/or channel estimation

Pilot signals for synchronization and/or channel estimation

Memory code generator

Device and method for fast transition from preamble synchronization to data demodulation in direct sequence spread spectrum (DSSS) communications

Measurement of energy potential (signal-to-noise ratio) in digital global navigation satellite systems receivers

Apparatus for and method of making pulse-shape measurements

RF receiver having timing offset recovery function and timing offset recovery method using thereof

Correlator sum method for spread spectrum signal receivers

RACH-ramp-up acknowledgement

Detection of time of arrival of CDMA signals in a wireless location system

Multi-path detection method for CDMA receivers

Receiver for wireless communication network with extended range

Noise floor independent delay-locked loop discriminator

Synchronization detecting circuit and multimode wireless communication apparatus

Automatic power control system for a code division multiple access (CDMA) communications system

Multi-detection of heartbeat to reduce error probability

Receiver for receiving a spectrum dispersion signal

Method and system for resolving the acquisition ambiguity and the problem of false lock in tracking BOC(m,n) modulated signals, particularly for satellite positioning/navigation systems

EFFICIENT SYNCHRONIZATION OF A SPREAD SPECTRUM SIGNAL IN THE PRESENCE OF DELAY AND FREQUENCY UNCERTAINTY

Chaotic spread spectrum communications system receiver

Multiple branch PSYNC detection module

Matched filter

Method and apparatus for signal carrier-to-noise power density ratio calculation

Correlation interval synchronization apparatus and method

Spread spectrum communications system and method utilizing chaotic sequence

Pilot signals for synchronization and/or channel estimation

Decoding of the overhead channels of the geosynchronous (GEO) satellite reverse link

Mobile station assisted timing synchronization in a CDMA communication system

Method and apparatus for transmitting/receiving pilot signal in a wireless communication system

Signal acquisition in a wireless communication system

Synchronization for chirp sequences

Method of scheduling cell search operations

SPREAD SPECTRUM CELLULAR SUBSCRIBER UNIT

Method and subscriber unit for performing an access procedure

Subscriber unit for performing an access procedure

GPS signal acquisition circuit

Method of processing a digital signal derived from an analog input signal of a GNSS receiver, a GNSS receiver base band circuit for carrying out the method and a GNSS receiver

Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter

METHOD AND APPARATUS FOR SYNCHRONIZATION FOR MIMO TDS-OFDM SYSTEM

Pseudorandom noise code acquisition in direct sequence spread spectrum systems

Digital data exchange device in a CDMA system

Pseudo noise sequence acquisition in spread spectrum systems

Determining a detection signal in a spread spectrum communications system

Method and Device for Correlation Detection in Spread Spectrum Transmission Systems by Fast Fourier Transformation

Methods and systems for acquisition, reacquisiton and tracking of weak navigational signals

Method employed by a base station for controlling initial power ramp-up using short codes

BOC SIGNAL ACQUISITION AND TRACKING METHOD AND APPARATUS

Apparatus and method of acquiring initial synchronization of terminal in mobile communication system

Spread spectrum signal

Random access preamble coding for initiation of wireless mobile communications sessions

POSITIONING APPARATUS AND CONTROL METHOD THEREOF

Carrier frequency recovering apparatus using phase shift and method thereof

Spread spectrum signal processing

Radio signal positioning

Satellite signal adaptive time-division multiplexing receiver and method

Spread spectrum communication device and spread spectrum communication method

Low gate count sequential multitap correlator

BOC signal acquisition and tracking method and apparatus

Spread-spectrum receiver

Spread spectrum communication device and spread spectrum communication method

Spread spectrum communication device and spread spectrum communication method

Spread spectrum communication device and spread spectrum communication method

Spread spectrum communication device and spread spectrum communication method

Method and System for Estimating Signal Error in a Communication System

Spread spectrum communication device and spread spectrum communication method

RACH ramp-up acknowledgement

Spread spectrum communication device and spread spectrum communication method

Receiver for receiving a spectrum dispersion signal

Method and system for providing a dual-channel beacon signal in a wireless network

Communication apparatus for parallel reception and accumulative reception

False channel detection for wireless communication

Reverse link pilot transmission for a wireless communication system

Satellite signal adaptive time-division multiplexing receiving device

Receiver for receiving a spectrum dispersion signal

System and method for synchronizing digital bits in a data stream

Communications systems that reduces auto-correlation or cross-correlation in weak signals

GPS signal acquisition system and method

Signal reception time period detector

Measurement of baseband timing in a spread spectrum communications system

Code NCO and GPS receiver

Gps Receiver Using Differential Correlation

Arrangement for synchronizing access points in WLAN using direct-sequence spread spectrum signaling

Method of detecting a predetermined sequence in an RF signal using a combination of correlation and FFT

Adjustable time-division multiplexing receiver for receiving satellite signal and method for the same

Receiver for receiving a spectrum dispersion signal

Apparatus for Reducing Auto-Correlation or Cross-Correlation in Weak CDMA Signals

Method and device for demodulating Galileo alternate binary offset carrier (Alt-BOC) signals

Method and apparatus for dual frequency timing acquisition for compressed WCDMA communication networks

Method and apparatus for generation of asynchronous clock for spread spectrum transmission

Interpolation processing for enhanced signal acquisition

Receiver capable of enhancing receiving efficiency in a code division multiple access communication system

Method and system for uplink synchronization

Dynamic switching of carrier tracking loops without loss of tracking information

Bit synchronization in a communications device

Apparatus for FPGA Programming to synchronize with CDMA signals

Spread spectrum communication device and spread spectrum communication method

Preamble detection

Method and apparatus of frequency estimation for the downlink of td-scdma systems

Spread spectrum communication device and spread spectrum communication method

Communication network using synchronous code division multiplexing method

METHOD AND APPARATUS FOR ESTIMATING FREQUENCY OFFSET IN A WIRELESS MOBILE COMMUNICATION SYSTEM

Spread-spectrum transceiver

Suppressed feature waveform for modulated sonar transmission

Apparatus and method for generating a transmit sequence and apparatus and method for retrieving information

Methods and apparatuses for processing spread spectrum signals

Apparatus for and method of determining quadrature code timing from pulse-shape measurements made using an in-phase code