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Class Information
Number: 375/227
Name: Pulse or digital communications > Testing > Signal noise
Description: Subject matter including a means for measuring a signal-to-noise ratio.

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8711914 Channel estimating method and device Apr. 29, 2014
8711915 Method for determining a corrected variance representative of the condition of reception of signals representative of symbols Apr. 29, 2014
8705593 Evaluation device and method for providing a transceiver system with performance information thereof Apr. 22, 2014
8705601 Apparatus and method for varying inter symbol interference and bandwidth extension pre-emphasis on a high speed digital signal Apr. 22, 2014
8682638 Channel emulator system and method Mar. 25, 2014
8682254 Wireless communication system modeling Mar. 25, 2014
8682251 Apparatus and methods for estimation of a subchannel power imbalance ratio (SCPIR) Mar. 25, 2014
8675794 Efficient estimation of feedback for modulation and coding scheme (MCS) selection Mar. 18, 2014
8677437 Systems and methods for calculating the delay between media signals Mar. 18, 2014
8665937 Load estimation in wireless communication Mar. 4, 2014
8665938 Wireless transmission apparatus and self-checking method of wireless transmission apparatus Mar. 4, 2014
8654894 Processing transmissions in a wireless communication system Feb. 18, 2014
8644418 Transmitter and receiver modules for unidirectional communications and a method using the aforementioned Feb. 4, 2014
8644413 Implementing blind tuning in hybrid MIMO RF beamforming systems Feb. 4, 2014
8638841 Transmitting/receiving system, transmitting/receiving method, and computer readable medium for estimating temporal fluctuation of a signal Jan. 28, 2014
8638895 Extension of Ethernet PHY to channels with bridged tap wires Jan. 28, 2014
8634452 Multiphase receiver with equalization circuitry Jan. 21, 2014
8630377 Detection of wideband interference Jan. 14, 2014
8630335 SNR estimation Jan. 14, 2014
8625685 Signal quality estimation for OFDMA systems Jan. 7, 2014
8614939 Method and apparatus for crosstalk channel estimation Dec. 24, 2013
8615033 Data transmission rate adaptation in a wireless communication system Dec. 24, 2013
8615210 Methods and apparatus for power measurement in a communication system Dec. 24, 2013
8611405 Detecting faults affecting communications links Dec. 17, 2013
8611443 Method and apparatus to cancel additive sinusoidal disturbances in OFDM receivers Dec. 17, 2013
8606280 Apparatus and method for allocating resources based on error vector magnitude (EVM) in a broadband wireless communication system Dec. 10, 2013
8604960 Oversampled data processing circuit with multiple detectors Dec. 10, 2013
8599911 Method and apparatus for estimating signal to noise ratio in wireless communication system Dec. 3, 2013
8595278 Method and system for unconstrained frequency domain adaptive filtering Nov. 26, 2013
8594216 Beamforming feedback options for MU-MIMO Nov. 26, 2013
8594168 Digital signal processor with adjustable data rate and methods thereof Nov. 26, 2013
8594166 Method and system for the serial transmission of data Nov. 26, 2013
8593525 Phasor-based pulse detection Nov. 26, 2013
8588285 Method and apparatus for operating a digital subscriber line arrangement Nov. 19, 2013
8582633 Confirmation of presence of narrowband interference by harmonic analysis Nov. 12, 2013
8582702 Electronic device for receiving a radio-frequency signal Nov. 12, 2013
8576902 Receiving device and method, demodulating device and method, and program Nov. 5, 2013
8576898 SLOC spot monitoring Nov. 5, 2013
8576691 Method and apparatus for crosstalk channel estimation Nov. 5, 2013
8571595 Method and system for adjusting WLAN radio receiver gain in a wireless device Oct. 29, 2013
8565294 Classification of interference Oct. 22, 2013
8553752 Method and apparatus for determining a calibration signal Oct. 8, 2013
8553798 Method and apparatus for generating pre-coding matrix codebook Oct. 8, 2013
8554152 Apparatus and method for estimating channel in mobile communication system Oct. 8, 2013
8548387 Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system Oct. 1, 2013
8548105 Joint time-frequency automatic gain control for wireless communication Oct. 1, 2013
8548036 Noise detection method, noise detection apparatus, simulation method, simulation apparatus, and communication system Oct. 1, 2013
8542071 Chaotic oscillator-based random number generation Sep. 24, 2013
8537942 System and method of maintaining correction of DC offsets in frequency down-converted data signals Sep. 17, 2013
8539288 Methods and apparatus for multiple input multiple output (MIMO) successive interference cancellation (SIC) with retransmissions Sep. 17, 2013

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