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8098706 Signal generator for a DSSS or CDMA signal  
The invention relates to a signal generator for a DSSS or CDMA signal, comprising several spread sequence memories and a digital signal processor which pre-calculates the spread sequence in an...
8098779 Interference detection and mitigation  
Techniques for detecting and mitigating interference are described. A device (e.g., a cellular phone) senses interference levels and digitally reconstructs the expected interference in the received...
8090011 Measuring apparatus, measuring method, recording medium, and test apparatus  
Provided is a measuring apparatus which measures a quadrature modulator, including a supplying section supplying the quadrature modulator with a reference I signal having a predetermined frequency...
8090006 Systems and methods for serial cancellation  
A receiver in a CDMA system comprises a front end processor that generates a combined signal per source. A symbol estimator processes the combined signal to produce symbol estimates. An S-Matrix...
8086178 Beam-forming method for realizing interference suppression  
The present invention discloses a beam-forming method for realizing interference suppression, comprising steps of: a. performing channel estimation for an expected user signal and interference...
8086257 Dedicated control channel detection for enhanced dedicated channel  
In a method of detecting a signal, a control channel associated with a physical channel may be decoded to produce at least one decoding metric. A control channel signal on the control channel may...
8085832 Segment-wise channel equalization based data estimation  
Data is estimated of a plurality of received spread spectrum signals by a wireless communication apparatus. The plurality of received communications are received in a shared spectrum. The received...
8081672 Method and system for channel estimation in a single channel (SC) single-input multiple-output (SIMO) system  
The method and system for channel estimation in a single channel (SC) single-input multiple-output (SIMO) system described herein may provide a fast and cost effective approach to concurrently...
8081922 Methods and apparatuses for processing satellite positioning system signals  
Methods and apparatus are provided for use in devices adapted to receive signals from at least one satellite positioning system (SPS). As part of at least one search for a transmission from a space...
8077757 Sampling method for a spread spectrum communication system  
Method for decoding a signal sent over a bandwidth-expanding communication system, where both channel estimation and signal detection are carried out on a set of samples generated by sampling the...
8077627 Receiving apparatus and method in broadband wireless access system  
Provided is an apparatus and method for enhancing a demodulation performance of a receiver in a Broadband Wireless Access (BWA) system. A receiving apparatus in a broadband wireless communication...
8077756 Signal transmitting method, transmitting apparatus, and receiving apparatus used for the signal transmitting method  
A disclosed signal transmitting method includes the steps of a) categorizing plural digital signals, obtained by performing A/D conversion on plural analog signals consecutively arranged in a time...
8077758 Signal separation techniques to provide robust spread spectrum signal decoding  
A spread spectrum communications system includes an antenna array for receiving different summations of desired and undesired signals, and receivers are coupled to the antenna array. Each receiver...
8073039 Reception apparatus using spread spectrum communication scheme  
In a reception apparatus, a matched filter that has conventionally been arranged in a searcher unit is mounted on an acquisition unit together with a large scale memory. The large scale memory once...
8068531 Method and apparatus for eliminating narrow band interference by means of windowing processing in spread spectrum system  
A device and method for eliminating narrow-band interference by windowing in a spread spectrum system are disclosed. The method comprises extracting N sampling points of data to perform frequency...
8068535 Robust iterative linear system solvers  
In receiving equipment such as a mobile terminal (1) for decoding received signals coded according to a CDMA method are decoded in an intermediate processor (9). In the decoding, coefficients or...
8064823 Apparatus, method and computer program product for determining transmit weights in relay networks  
Apparatus, methods and computer program products implement a channel-aware approach for controlling a relay network operative in a wireless communications system wherein weighting matrices are used...
8064496 Interference cancellation for wireless communication  
Interference in a wireless communication is minimized, or at least reduced, by scaling the symbols received from an interfering transmitter. Input samples from the interfering transmitter are...
8064838 System and method for reducing radio frequency interference from digital circuits  
An information handling system includes a digital circuit having a first terminal connected to a first voltage reference, and a second terminal connected to a second voltage reference. The digital...
8064556 Fractionally-spaced equalizers for spread spectrum wireless communication  
This disclosure describes equalization techniques for spread spectrum wireless communication. The techniques may involve estimating a channel impulse response, estimating channel variance, and...
8064497 Selecting delay values for a rake receiver  
Multipath components of transmitted data symbols are received with individual delays and processed by a RAKE having a number of fingers. A delay profile indicating magnitudes for a first number of...
8064498 Interference cancellation in variable codelength systems for multi-acess communication  
A receiver employs low-rate processing to synthesize the effect of high-rate interference in a received multi-rate signal. Each high-rate subchannel is analyzed on its low-rate descendents to...
8059743 Method for transmitting signals in a wireless communication system and communication system  
A method for transmitting signals in a wireless communication system including the steps of (a) transmitting and receiving the signals subsequently via transmission paths thereby allowing an...
8059770 Diversity receiving device  
It is a theme of the present invention to provide a diversity receiving device capable of reducing a power consumption to the utmost extent while keeping a predetermined received quality without...
8059768 Method and device for removing narrow band interference in spreading frequency system  
Narrow-band interference in spread spectrum systems is eliminated by performing a frequency spectrum transform on N sampling points of the data to obtain N points of data; after M transforms,...
8054904 Partial iterative detection and decoding apparatus and method in MIMO system  
A partial iterative detection and decoding apparatus in a Multiple Input Multiple Output (MIMO) system includes a detector for detecting signals received through at least one receive antenna to...
8054861 Primary, secondary, and tertiary codes synchronizing slots in a frame  
A method of processing data comprises the receiving a frame of data having a predetermined number of time slots (502,504,506). Each time slot comprises a respective plurality of data symbols (520)....
8054865 Methods and apparatus for masking and securing communications transmissions  
A secure information transmission system includes one or more transmitters and one or more receivers. The transmission waveform employed includes highly randomized, independent stochastic...
8050639 Multi-antenna communication apparatus  
Reception signals received by first to fourth antennas 11 to 14 are sequentially selected one by one repeatedly in accordance with first to fourth switches 31 to 34 being controlled by first to...
8050704 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 search...
8045600 Method and apparatus for compensating for processing timing misalignment in a communication receiver  
According to the teachings presented herein, a wireless communication apparatus compensates for timing misalignment in its received signal processing. In at least one embodiment, the apparatus...
8046214 Low complexity decoder for complex transform coding of multi-channel sound  
A multi-channel audio decoder provides a reduced complexity processing to reconstruct multi-channel audio from an encoded bitstream in which the multi-channel audio is represented as a coded subset...
8041325 Speed-based, hybrid parametric/non-parametric equalization  
A mobile receiver having a multi-mode interference suppression function and a way to estimate its speed utilizes a parametric approach to interference suppression at high speeds, and a...
8040937 Selective noise cancellation of a spread spectrum signal  
A method is provided for improving a signal-to-noise ratio in a received signal. The method involves receiving a spread spectrum signal (SSS) with a power level below a noise floor of a receiver....
8040993 Signal processing method in MIMO system and apparatus thereof  
Disclosed is a signal processing method and apparatus in MIMO system. In a mobile communication system having a plurality of transmitting antennas, the present invention includes the steps of...
8036257 Method of determining at least one transmit mode parameter for a multiple-input multiple-output system  
In an embodiment of the method, at least one signal-to-interference-and-noise ratio (SINR) for each antenna configuration in a set of transmission antenna configurations is determined based on an...
8031811 Dynamic DC offset canceling apparatus and dynamic DC offset canceling method  
The dynamic DC offset canceling apparatus includes: section 104 that detects dynamic DC offset in longest overlapping part sequences from the differences between the sampling values of a first...
8027411 Wireless receiver  
A wireless receiver having improved receiving characteristics is provided. The wireless receiver (151) is provided with an antenna (152) for receiving wireless signals including a modulation signal...
8027650 Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements  
A system and method for processing signals are disclosed. The method may include spreading N replicas of a received signal with N orthogonal sequences. A scrambled set of N channel signals may be...
8023554 Method and system for single antenna receiver system for WCDMA  
Aspects of a method and system for a single antenna receiver system for W-CDMA are provided and may comprise computing channel estimates based on received multipath signals. Timing correction...
8023595 Method and system of time-of-arrival estimation for ultra wideband multi-band orthogonal frequency division multiplexing signals  
A time-of-arrival (TOA) estimation method for multi-band orthogonal frequency division multiplexing (MB-OFDM) signals uses a simple equally-spaced channel model to recover the impulse response of...
8018985 CDMA receivers for the golden code  
A Generalized Rake (G-Rake) receiver is adapted for Golden code reception in a CDMA system. Signals transmitted by two or more transmit antennas are received at two or more receiver antennas. The...
8019020 Binary decoding for correlated input information  
Embodiments of the present invention provide methods and systems for decoding information in a communications system with an improved bit error rate. Correlated groups of bits are grouped, and...
8018986 Signal receiving apparatus including equalizer, terminal apparatus, signal receiving method, and signal receiving program  
A signal receiving apparatus which can reduce a circuit scale to reduce a cost in a mobile wireless communication system which transmits and receives a spread spectrum signal is provided. The...
8018987 Transmitting spread signal in communication system  
The present invention provides for spreading a first signal using a plurality of spreading codes, multiplexing the first spread signal by code division multiplexing, transmitting the first...
8014456 Preamble detection with multiple receive antennas  
A system includes a differential demodulation module that differentially demodulates modulated signals received from R antennas. A first summing module sums the differentially demodulated signals...
RE42681 Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities  
A wireless communication system (40). The system comprises transmitter circuitry (42) comprising encoder circuitry (44) for receiving a plurality of symbols (Si). The system further comprises a...
8014724 System and method for signal limiting  
Methods and systems for processing a signal with a corresponding noise profile are disclosed. Aspects of the method may comprise analyzing spectral content of the noise profile. At least one noise...
8009722 Multi-pass parameter estimation for G-Rake receiver  
In a parametric G-Rake receiver, a method an apparatus computes initial estimates of one or more scaling parameters and initial combining weights for the parametric G-Rake receiver; estimates the...
8005432 Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a rake receiver  
A system and method for processing signals in a wireless communication system is disclosed. The method may include transmitting a wireless signal from a transmitter, and receiving at the...