Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 370/210
Name: Multiplex communications > Generalized orthogonal or special mathematical techniques > Fourier transform
Description: Subject matter utilizing a special mathematical relationship that provides a connection between information in the frequency domain and the time domain.

Patents under this class:

Patent Number Title Of Patent Date Issued
8416757 Radio transmission device Apr. 9, 2013
8416733 Time tracking loops for a communication system utilizing a cyclic prefix Apr. 9, 2013
8416677 Systems and methods for high rate OFDM communications using first and second cyclic prefix lengths and first and second pilot tones Apr. 9, 2013
8416676 Apparatus and methods for estimating and compensating sampling clock offset Apr. 9, 2013
8416675 Tone reservation techniques for reducing peak-to-average power ratios Apr. 9, 2013
8416674 Method and apparatus for receiving minimum mean-squared-error in single-carrier frequency division multiple access system Apr. 9, 2013
8411802 Iterative estimator and method of channel and noise variance for multiple input multiple output orthogonal frequency division multiplexing system Apr. 2, 2013
8411796 OFDM signal receiver and method for receiving OFDM signal Apr. 2, 2013
8411778 Optimal linear equalizer for MIMO systems with HARQ and/or repetition coding Apr. 2, 2013
8406353 Signal sequence detection in presence of carrier or narrow band transmissions Mar. 26, 2013
8406349 Method and apparatus for receiving signal for MIMO system Mar. 26, 2013
8406332 Downlink transmission in a multiple-user multiple-input multiple-output ("MU-MIMO") wireless communication system Mar. 26, 2013
8401094 MIMO wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode Mar. 19, 2013
8400909 Transmission apparatus, reception apparatus, mobile communications system and transmission control method Mar. 19, 2013
8400908 Method and apparatus for transmitting midamble in wireless communication system Mar. 19, 2013
8400906 Method and apparatus for allocating backhaul transmission resource in wireless communication system based on relay Mar. 19, 2013
8396167 DC compensation Mar. 12, 2013
8396165 Multicarrier-signal receiving apparatus and multicarrier-signal transmitting apparatus Mar. 12, 2013
8396034 Method for determining cell identity in wireless communication system and apparatus therefor Mar. 12, 2013
8395986 Transmitter and receiver Mar. 12, 2013
8392199 Clipping detection device and method Mar. 5, 2013
8391413 Channel estimation for an OFDM communication system with inactive subbands Mar. 5, 2013
8391393 Uplink precoding method in 4-Tx system Mar. 5, 2013
8391387 Multiple transmit antenna interleaver design Mar. 5, 2013
8391383 Dynamic tone grouping and encoding for multi-carrier quadrature amplitude in OFDM Mar. 5, 2013
8391212 System and method for frequency domain audio post-processing based on perceptual masking Mar. 5, 2013
8390484 Method and apparatus for decoding transmitted/received data Mar. 5, 2013
8385933 Base station device and radio communication device Feb. 26, 2013
8385838 Method of transmitting feedback information in multiple antenna system Feb. 26, 2013
8385446 Receiving apparatus and method for maximum likelihood in a single carrier system Feb. 26, 2013
8379782 Mobile radio channel estimation Feb. 19, 2013
8374452 Method and apparatus for fast cell search Feb. 12, 2013
8374277 Wireless communication mobile station device and method for using precoding matrix Feb. 12, 2013
8374076 Method and apparatus of transmitting scheduling request in wireless communication system Feb. 12, 2013
8374075 Phase and frequency recovery techniques Feb. 12, 2013
8369432 Base station apparatus and reception band control method Feb. 5, 2013
8369300 Method and apparatus for transmitting by using transmit diversity at DFT spread OFDMA Feb. 5, 2013
8363677 SC-FDMA transmission device and SC-FDMA transmission signal formation method Jan. 29, 2013
8363608 Sequence allocating method and sequence allocating apparatus Jan. 29, 2013
8363540 Pilot signal in an FDMA communication system Jan. 29, 2013
8363539 OFDM receiver and OFDM receiving method Jan. 29, 2013
8358575 Methods and apparatus for generating and processing transmitter signals Jan. 22, 2013
8351525 Orthogonal frequency division multiplexing transmitting and receiving device Jan. 8, 2013
8351323 Method and apparatus for transmitting/receiving a continuous pilot code in a multi-carrier system Jan. 8, 2013
8351320 Method and apparatus for transmitting pilot in wireless communication system Jan. 8, 2013
8346278 Systems and methods for mobile phone location with digital distributed antenna systems Jan. 1, 2013
8345799 Channel estimating method and channel estimator Jan. 1, 2013
8345788 Method and apparatus for detecting signal Jan. 1, 2013
8345535 Method and apparatus for generating ranging preamble code in wireless communication system Jan. 1, 2013
8340222 Parameter and scattered pilot based symbol timing recovery Dec. 25, 2012

  Recently Added Patents
Lithographic apparatus and device manufacturing method
Terminal device and image printing method
System, method and computer program product for efficient caching of hierarchical items
Image processing apparatus and method having defective pixel detection and correction ability
Traffic flow analysis mitigation using a cover signal
Generating a representation of an object of interest
System for hot-start amplification via a multiple emulsion
  Randomly Featured Patents
Applicator for non-invasive transcutaneous delivery of medicament
Method and router for switching data between a local area network and an external appliance
Automative engine idle speed control
UV-radiating apparatus for irradiating printing ink on items and methods of drying items with printing ink thereon
Rotary slide valve for power-assisted steering in motor vehicles
Radial type light-guiding plate
Disc brake device
Method, apparatus, and computer program product for diagnosing a scan chain failure employing fuses coupled to the scan chain
Longitudinal dilator and method
Linear voltage-to-current converter