Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8189722 | Discrete denoising using blended counts Various embodiments of the present invention relate to a discrete denoiser that replaces symbols in a received, noisy signal with replacement symbols in order to produce a recovered signal less distorted with respect to an originally transmitted, clean signal than t... | 05/29/2012 |
| 8184752 | Apparatus and method for hybrid automatic repeat request (HARQ) in wireless communication system A Multiple-Input Multiple-Output (MIMO) wireless communication system is provided. A receiving end includes a selector for selecting at least one stream for a MultiUser (MU) mode; a first generator for generating per stream channel quality information for the at lea... | 05/22/2012 |
| 8180004 | Method for estimating amount of distortion in CFO and DCO, method for compensating received signals using the same, and receiver A received signal delivered through a transmission line can be compensated for carrier frequency offset and direct-current offset to improve the signal-to-noise ratio of the received signal, eventually resulting in an effective improvement in the error rate. The rec... | 05/15/2012 |
| 8180002 | Digital signal processing device, digital signal processing method, and digital signal processing program The present invention provides a digital signal processing device that considerably reduces a return noise generated in a processing result signal in specific signal processing without wastefully increasing the processing load. There is provided a digital signal pro... | 05/15/2012 |
| 8180001 | Adaptive equalization and interference cancellation with time-varying noise and/or interference A method and apparatus is disclosed to compensate for interference and/or distortion impressed onto a transmitted communication signal in the presence of one or more time-varying noise and/or interference conditions. A communications receiver includes a noise analyz... | 05/15/2012 |
| 8180003 | Apparatus and method for generating per stream channel quality information in multiple-input multiple-output (MIMO) wireless communication system The generation of per stream Channel Quality Information (CQI) in a Multiple-Input Multiple-Output (MIMO) wireless communication system is provided. An apparatus includes a receiver for receiving signals from a transmitting end via a plurality of antennas; an estima... | 05/15/2012 |
| 8175200 | Hybrid correlation and least squares channel estimation A hybrid channel estimator for a wireless communication system receiver includes both correlation based and least squares based channel estimators. The correlation estimator is used when signal quality is low or noise is colored. The least squares estimator is used ... | 05/08/2012 |
| 8170159 | Preamble noise cancellation circuit A preamble noise cancellation circuit according to an aspect of the invention may include: a coupler dividing an input signal; a preamble noise detection unit subtracting a predetermined reference preamble signal from a received preamble signal output from the coupl... | 05/01/2012 |
| 8170158 | Digital cross-polar interference cancellation Cross-polar interference cancellation in a dual-polarization system is described. A terminal in a satellite communication system may receive a first communication signal in a first polarization and a second communication signal in a second polarization substantially... | 05/01/2012 |
| 8160187 | Systems and methods for canceling crosstalk from digital multi-tone (DMT) signals The present disclosure generally pertains to systems and methods for cancelling crosstalk. A multiple input, multiple output (MIMO) system in accordance with one exemplary embodiment of the present disclosure has a plurality of receivers, which are capable of exchan... | 04/17/2012 |
| 8155254 | Methods and systems using FFT window tracking algorithm Techniques for the adjustment of a position of Fast Fourier Transform (FFT) window are provided. The adjustment may be based on the condition that the length of channel impulse response is larger than the length of cyclic prefix. The technique may determine a positi... | 04/10/2012 |
| 8149968 | Estimating a signal-to-interference ratio in a receiver of a wireless communications system A Signal-to-Interference Ratio of a radio channel is estimated in a receiver of a wireless communications system, wherein pilots with reference information are modulated on some sub-carriers in some symbols. At least one parameter for signals received from said firs... | 04/03/2012 |
| 8144823 | Signal processing device and signal processing method The present invention discloses a signal processing device and a signal processing method. The signal processing device includes a plurality of receiving devices, a storage module, a weighting module, and a processing module. Each of the receiving devices is capable... | 03/27/2012 |
| 8144822 | Noise power estimation apparatus, noise power estimation method and signal detection apparatus A noise power estimation apparatus is disclosed. The noise power estimation apparatus includes: a part for calculating correlation between a received signal and a pilot signal so as to obtain a received power of the pilot signal for each path; a part for removing a ... | 03/27/2012 |
| 8139693 | Apparatus and method for estimating inter-carrier interference power and noise power in a channel An estimation method is provided for use in a receiver of an OFDM (orthogonal frequency division multiplexing) system to estimate the ICI (inter-carrier interference) and the noise power of a channel. Two pilot signals respectively carried by two subcarriers are rec... | 03/20/2012 |
| 8135098 | BICM decoding in the presence of co-channel interference Systems and methods are provided for computing soft information for digital information based on a received signal, where the received signal suffers from noise and interference. A receiver that decodes the received signal may estimate channel information, such as t... | 03/13/2012 |
| 8130878 | Apparatus and method for estimating carrier-to-interference-and-noise ratio in an orthogonal frequency division multiplexing system An apparatus and method for estimating a carrier-to-interference-and-noise ratio (CINR) of a received signal in an orthogonal frequency division multiplexing (OFDM) system are provided. A band-pass filter attenuates a signal region of the received signal and passes ... | 03/06/2012 |
| 8130879 | Apparatus and method for interference cancellation in receiver of communication system An apparatus and method for interference cancellation is provided to cancel the interference such as echo and cross-talk received by a receiver of a communication system. The apparatus includes a digital cancellation signal generator, a first canceller, and a second... | 03/06/2012 |
| 8121232 | Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system A receiving system and a method of processing broadcast signal are disclosed herein. The receiving system includes a signal receiving unit, a detector, and a channel equalizer. The signal receiving unit receives a broadcast signal including mobile service data and a... | 02/21/2012 |
| 8121233 | Drift cancellation technique for use in clock-forwarding architectures A circuit includes a frequency synthesizer, N phase mixers coupled to the frequency synthesizer, a plurality of receivers, and a calibration circuit. The frequency synthesizer is to receive a reference clock signal and is to output a primary clock signal. A respecti... | 02/21/2012 |
| 8121230 | Correction of mismatches between two I and Q channels A method for correcting mismatches between a digital signal in phase and a digital signal in quadrature originating from a signal broadcast by terrestrial channel, comprising a phase correction method. A set of first error values is measured during a first period. A... | 02/21/2012 |
| 8121231 | Method and device for channel response determination A method and a device for channel response determination for a wireless communication system. The method comprises generating a first vector of channel responses from channel estimations obtained by using a training signal. A second vector of regularized channel res... | 02/21/2012 |
| 8111789 | Method and system for channel estimation in a single channel MIMO system with multiple RF chains for WCDMA/HSDPA Aspects of a method and system for channel estimation in a MIMO communication system with multiple RF chains for WCDMA/HSDPA may comprise receiving a plurality of communication signals from a plurality of transmit antennas. A plurality of vectors of baseband combine... | 02/07/2012 |
| 8111790 | Mitigating interference in a coded communication system A technique weights noise power used in a demodulation/demapping process using on an estimate of interference and its associated power. Using this technique the effect of partial interference can be ameliorated. For example, a value, σ2, can be used to r... | 02/07/2012 |
| 8107568 | Coupling channel noise canceling circuit A coupling channel noise canceling circuit includes a signal detecting unit, a gain setting unit, a cancel signal generating unit, and a noise canceling unit. The signal detecting unit detects a phase difference and a voltage difference between a broadcast RX signal... | 01/31/2012 |
| 8107566 | Noise estimation for wireless communication Techniques for deriving and using noise estimate for data reception in a wireless communication system are described. A noise estimate may be derived for each packet received in a data transmission. Data detection may then be performed for each packet using the nois... | 01/31/2012 |
| 8107567 | Method and system for SFBC/STBC in a diversity transmission system using Alamouti codes Aspects of a system for SFBC and/or STBC in a diversity transmission system using a plurality of Alamouti codes may include a transmitting station that enables reception of signals via a wireless communication medium. The transmitting station may enable determinatio... | 01/31/2012 |
| 8102954 | Frequency interference detection and correction A system for detecting and correcting for spurious frequencies that may coincide in a bandwidth of interest in an RF metrology system. The system can (1) utilize a deterministic scheme to detect an interference by a spurious frequency and correct the distortion effe... | 01/24/2012 |
| 8102955 | Multi-pulse frequency shifted (MPFS) multiple access modulation for ultra wideband The multi-pulse frequency shifted technique uses mutually orthogonal short duration pulses o transmit and receive information in a UWB multiuser communication system. The multiuser system uses the same pulse shape with different frequencies for the reference and dat... | 01/24/2012 |
| 8098777 | Signal detection method and receiving apparatus in MIMO system The present invention relates to a signal detection method and a receiving apparatus in a multiple input multiple output (MIMO) system. More particularly, the present invention relates to a signal detection device in a MIMO system using a spatial multiplexing (SM) m... | 01/17/2012 |
| 8098778 | Controlled transmission of data in a data transmission system This disclosure relates to controlled transmission of data in a data transmission system. Data from data interface elements may be transmitted in a controlled manner during the guard intervals or cyclic expansions of received RF signals. The received RF signals may ... | 01/17/2012 |
| 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 signal. The device may correlate the reconstructed interference with... | 01/17/2012 |
| 8098776 | 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 baseband combined channel estimates may be generated based on phase rot... | 01/17/2012 |
| 8094761 | Uplink feedback for supporting MIMO operation in the LTE downlink A quantization method of transmission of channel quality information (CQI) includes measuring two measurements SINRs and calculating a difference (i.e., Delta SINR) between the two measurements of the SINRs; determining a CQIbase (base channel quality inf... | 01/10/2012 |
| 8094760 | Channel estimation Aspects describe channel estimation in an OFDM system. Baseline DFT-based channel estimation can be performed and scaling can be applied to mitigate distortion in the DFT-based estimations. In some aspects, baseline DFT-based channel estimation can be performed and ... | 01/10/2012 |
| 8094759 | System and method for broadband pulse detection among multiple interferers using a dynamic filter receiver A system and method to detect broadband pulses in the presence of multiple strong narrow band interferers is disclosed whereby a dynamic filtering method is used to detect and notch out the interfering signal by forming notch filters at the precise location of the n... | 01/10/2012 |
| 8085886 | Supression of unwanted signal elements by sinusoidal amplitude windowing A method is provided for processing a signal containing regular or quasi-regular elements of unwanted signal. The method establishes timing characteristics of the unwanted signal elements in a portion of the signal. A time domain window function is generated using t... | 12/27/2011 |
| 8085889 | Methods for managing alignment and latency in interference cancellation An interference cancelling receiver combines data from multiple paths after aligning to transmitter timing, and uses either an equalizer or a Rake receiver to compute symbol estimates. Interference estimates are generated from the symbol estimates, and multiple inte... | 12/27/2011 |
| 8085888 | Method and system for determining an optimal or near optimal set of contexts by constructing a multi-directional context tree In various embodiments of the present invention, optimal or near-optimal multidirectional context sets for a particular data-and/or-signal analysis or processing task are determined by selecting a maximum context size, generating a set of leaf nodes corresponding to... | 12/27/2011 |
| 8085887 | Method and receiver circuit for reducing RFI interference In a method for generating a compensation signal for the compensation of at least one RFI interference signal that, in a DMT transmission, is permanently superposed on a received DMT reception signal being divided into a multiplicity of channels at least one referen... | 12/27/2011 |
