Match Document Document Title
US20130016797 METHOD AND APPARATUS FOR UPDATING SYMBOL RECOVERY PARAMETERS AND CORRECTING SYMBOL TIMING MISALIGNMENT  
A radio receiver (100) includes a symbol recovery unit (108) the produces a raw symbol stream (112) and a recovered symbol stream (116). The recovered symbol stream is produced by applying symbol...
US20120140858 FINE SYMBOL TIMING ESTIMATION  
Systems and methods for fine symbol timing estimation are disclosed herein. In one embodiment, a wireless receiver includes a differential detector, a correlator, a coarse symbol timing estimator,...
US20120250807 SCHEMES FOR DETECTING GUARD INTERVALS IN OFDM SYSTEM  
A receiver and method of detecting a guard interval estimate accurately by performing an Nth order polynomial based non-linear quantization on a pre-estimated guard interval in a received...
US20120027135 SYSTEM AND METHOD FOR SYNCHRONIZATION TRACKING IN AN IN-BAND MODEM  
Processing the synchronization of an inband modem to detect sample slip conditions is disclosed. Decision logic reliably detects the sample slip condition while minimizing the number of false alarms.
US20110249777 FRAME SYNCHRONIZATION APPARATUS AND METHOD BASED ON DIFFERENTIAL CORRELATION IN COMMUNICATION SYSTEM  
A frame synchronization apparatus and method based on differential correlation in a communication system are provided. A correlation analysis is performed by using sync word in a prior search...
US20130235958 JOINT SPECIAL BURST AND TRANSPORT FORMAT COMBINATION INDEX (TFCI) DETECTION  
To detect a special burst sequence, a cross correlation (C) is compared to a square root of an estimated noise variance (σ) in conjunction with a threshold value (Th). In one aspect of the...
US20100304744 METHOD AND APPARATUS FOR PERFORMING SEARCHES WITH MULTIPLE RECEIVE DIVERSITY (RXD) SEARCH MODES  
Techniques for performing searches by a user equipment (UE) equipped with multiple receive antennas are described. In an aspect, the UE may support multiple receive diversity (R×D) search modes....
US20110164707 UTILIZATION OF A KNOWN PORTION OF A PAYLOAD TO DECODE A PAYLOAD HAVING A KNOWN AND AN UNKNOWN PORTION  
A method, an apparatus, and a computer program product for wireless communication are provided in which a payload is received, the payload having a known portion and an unknown portion. The...
US20110286556 ACQUISITION OF TIMING INFORMATION IN WIRELESS COMMUNICATION SYSTEMS  
A method for identifying a reference point in time in a wireless communication system includes: receiving a first repeated sequence of symbols; receiving a second repeated sequence of symbols;...
US20110013731 SPECTRUM SENSING FOR DMB-T SYSTEMS USING PN FRAME HEADERS  
This dissertation addresses the intersection of personal wireless technology and computational intelligence. The primary research issue addressed is the organization of radio domain knowledge into...
US20130051503 SYSTEM AND METHOD FOR PREDICTING A POSITIVE CORRELATION  
A device and method are disclosed for reducing the power consumption of a wireless radio device in establishing a wireless connection by predicting a probability of a positive correlation. The...
US20140307837 METHOD OF SELECTING RECEIVE ANTENNAS FOR MIMO SYSTEMS  
A method of performing receive antenna selection is presented. The method executes a determination operation for a set of receive antennas, determines a maximum result of the determination...
US20140169488 NARROW-BAND PREAMBLE FOR ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING SYSTEM  
A method of signal generation includes selecting a subset of contiguous OFDM symbols from a set of contiguous OFDM symbols, selecting a subset of contiguous subcarriers from a set of subcarriers,...
US20110164699 METHOD AND SYSTEM FOR AN ITERATIVE MULTIPLE USER MULTIPLE INPUT MULTIPLE OUTPUT (MU-MIMO) COMMUNICATION SYSTEM  
A method and system for an iterative multiple user multiple input multiple output (MU-MIMO) communication system are presented. In one aspect, a current iteration beamforming matrix may be...
US20140003475 ZERO CORRELATION ZONE SEQUENCES FOR COMMUNICATION SYSTEM  
The present disclosure provides for the construction and use of a set of Zero-Correlation-Zone (ZCZ) Concatenated Complementary Pair (CCP) sequences with zero-correlation-zone range greater than...
US20140003474 ZERO CORRELATION ZONE SEQUENCES FOR COMMUNICATION SYSTEM  
The present disclosure provides for the construction and use of a set of Zero-Correlation-Zone (ZCZ) Concatenated Complementary Pair (CCP) sequences with zero-correlation-zone range greater than...
US20120020440 METHOD AND DEVICE FOR DETERMINING SMOOTH WINDOW LENGTH IN CHANNEL ESTIMATION  
A method and a device for determining a smooth window length in channel estimation is provided. The method includes: obtaining autocorrelation values of pilot signals, where the autocorrelation...
US20110110470 FRAME BOUNDARY DETECTION  
A method of WLAN frame detection in a received signal, wherein the frame comprises first and second training sequences and the method comprises auto-correlating the signal with a delayed version...
US20130003886 METHOD FOR GENERATING AND DETECTING PREAMBLE, AND DIGITAL COMMUNICATION SYSTEM BASED ON THE SAME  
Provided is a method of generating and detecting a preamble that may significantly increase accuracy of frame synchronization while avoiding a low frequency domain having great noise power and...
US20140133607 Method and Mobile Device for Joint Cell Identity Detection and Cell Measurement for an LTE System  
The present invention relates to a method and system for communication in a mobile device. First and second OFDM symbols containing first and second received cell-specific reference subcarriers,...
US20100310021 METHOD FOR COMPUTING CORRELATION OF PN SEQUENCE AND CIRCUIT THEREOF  
The present invention relates to a method for computing correlation of a PN sequence and a circuit thereof. A plurality of input values of an input sequence is summed up to give a first sum. A PN...
US20140185717 APPARATUS AND METHOD FOR FRAME SYNC DETECTION  
An apparatus includes: first to N−1-th correlation-calculation units correlation-calculating a signal at a position corresponding to an n-th reference cell of a reference symbol in a received...
US20140241472 FSK/MSK Decoder  
A decoder for a modulation scheme is configured to operate close to the radio noise floor. A correlation value may be constantly updated, in an effort to match to a signature to a preamble of a...
US20130216007 WIRELESS COMMUNICATIONS DEVICE HAVING TEMPORARY CORRELATION MATRIX WITH TIME INVERSION AND RELATED METHODS  
A wireless communications device may include a receiver configured to receive a continuous phase modulation (CPM) signal and a demodulator coupled downstream from the receiver. The demodulator may...
US20090225909 Corrleator for Tracking Satellite Signal  
A correlation apparatus for tracking a satellite signal includes a shifter, a multiplexer and an accumulator. The shifter generates generating a Prompt signal, a plurality of Early signals and a...
US20150172010 GFDM RADIO TRANSMISSION USING A PSEUDO CIRCULAR PREAMBLE  
A radio transmission system based on a frequency divisional multiplexing method is described, comprising an improved method for estimating symbol timing offset and frequency timing offset. The...
US20120163514 PREAMBLE DETECTION AT LOW SIGNAL-TO-NOISE LEVELS  
A preamble detector has a correlator outputting for every sample position of the preamble part of an incoming sampled signal stream a score and associated class value; and a multiple cluster unit...
US20140376670 Method and Apparatus of Cross-correlation with Application to Channel Estimation and Detection  
The present disclosure provides for a method and apparatus for efficient cross-correlation between a reference sequence and a received sequence in a wireless communication system. The reference...
US20140003557 METHOD AND APPARATUS OF CROSS-CORRELATION WITH APPLICATION TO CHANNEL ESTIMATION AND DETECTION  
The present disclosure provides for a method and apparatus for efficient cross-correlation between a reference sequence and a received sequence in a wireless communication system. The reference...
US20080043885 Complex Correlator for a Vestigial Sideband Modulated System  
A receiver comprises a demodulator and a complex correlator. The demodulator demodulates a received signal and provides a demodulated signal. The complex correlator correlates an in-phase...
US20150036764 TRANSMITTER, RECEIVER, AND CONTROLLING METHODS THEREOF  
A transmitter and receiver of a broadcast signal and corresponding methods are provided. The transmitter includes: a preamble symbol inserter configured to insert a preamble symbol including a...
US20090116591 SPECTRAL DECOMPOSITION OF LARGE SIGNALS IN A NARROW-RANGE SAMPLING SYSTEM  
A sampling method that determines the deterministic and random components of a signal when the magnitude of the signal exceeds the range of the sampler.
US20070280382 METHODS AND SYSTEMS FOR CORRELATION BASED ON PHASE QUANTIZATION  
In at least some embodiments, an electronic device is provided. The electronic device having a receiver that determines multi-bit quantization of phase information for a first signal and a second...
US20060115026 M-algorithm with prioritized user ordering  
Performing approximate diagonalization of a correlation metric by user permutation to improve Multiuser Detector (MUD) processing. The system reorders the entries in the S-Matrix in order to move...
US20120213316 PREAMBLE DETECTION WITH UNKNOWN CHANNEL  
A system comprises a correlation module that correlates modulated signals with a plurality of preamble sequences and that generates correlation values. A control module selects a largest...
US20130003795 Space-Time Block Coding Systems and Methods  
Although orthonormal space-time coding matrices provide for optimal communication system performance in that associated correlation matrices include no non-zero off-diagonal elements, unity code...
US20080240306 CORRELATION DEVICE FOR PERFORMING CORRELATION ON A RECEIVED GLOBAL NAVIGATION SATELLITE SYSTEM SIGNAL AND METHOD FOR SAME  
The invention provides a correlation device performing correlation on a received Global Navigation Satellite System (GNSS) signal. The correlation device comprises a first decimation module, a...
US20120250806 NON-PARAMETRIC UPLINK INTERFERENCE CANCELLATION  
Aspects of an apparatus and method of wireless communication include detecting, by a base node, at least one path of a transmission corresponding to received samples from a user equipment....
US20120236924 Spatial and Temporal Pre-Equalization  
The present invention describes a channel equalizer and a method for channel equalization in a receiver in a multi-user communication system. The method comprises the steps of receiving a signal...
US20130287151 CONTINUOUS TIME COUNTER  
A continuous time counter and method of counting are provided, comprising a sequence of adding stages which build up the output based on the inputs by progressively adding new values to opposite...
US20120121047 COMMUNICATION SIGNAL DECODING AND SOFT DEMAPPING METHODS AND SYSTEMS  
Symbol detection and soft dempapping methods and systems are provided. Individual subset symbol detection according to an embodiment of the invention involves identifying a search subset of a...
US20130322580 SYSTEMS AND METHODS FOR FAST AND PRECISE FREQUENCY ESTIMATION  
Systems and methods are provided for fast and precise estimation of frequency with relatively minimal sampling and relatively high tolerance to noise.
US20130322579 SYSTEMS AND METHODS FOR FAST AND PRECISE FREQUENCY ESTIMATION  
Systems and methods are provided for fast and precise estimation of frequency with relatively minimal sampling and relatively high tolerance to noise.
US20130322567 Generation and Application of a Sub-Codebook of an Error Control Coding Codebook  
There is provided a method of encoding and decoding data using an error control code having a codebook G. The codebook G is a sub-codebook of a codebook P. Each codeword g in the sub-codebook G...
US20120114082 MOBILE WIRELESS TERMINAL DEVICE AND BASE STATION SEARCH METHOD  
According to one embodiment, a mobile wireless terminal device includes a receiver detecting a beacon and a communication module detecting a base station identification. The receiver comprises an...
US20140133608 HYPOTHESES GENERATION BASED ON MULTIDIMENSIONAL SLICING  
A sequence estimation circuit of a receiver may receive a sample of an inter-symbol correlated (ISC) signal corresponding to a time instant when phase and/or amplitude of the ISC signal is a...
US20130287078 RECEIVER CIRCUIT AND METHOD PERFORMED BY A RECEIVER CIRCUIT  
A method includes a step of correlating a received signal with a pilot sequence to determine a correlation result. The method further includes a step of determining a channel estimate based on a...
US20100158163 Velocity Estimation Algorithm for a Wireless System  
A method for estimating the velocity of the Mobile Station (MS) in Orthogonal Frequency Divisional Multiplexing (OFDM)/Orthogonal Frequency Divisional Multiplexing Access (OFDMA) system is...
US20140233683 REDUCED STATE SEQUENCE ESTIMATION WITH SOFT DECISION OUTPUTS  
A receiver may be operable to receive an inter-symbol correlated (ISC) signal, and generate a plurality of soft decisions as to information carried in the ISC signal. The soft decisions may be...
US20110255641 Receiver for Voice Services Over Adaptive Multi-User channels on One Slot  
A receiver, in particular a VAMOS receiver, is provided. The receiver is adapted to split the complex-valued baseband signal into its real and imaginary parts. The two branch system thus created...