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Class Information
Number: 370/208
Name: Multiplex communications > Generalized orthogonal or special mathematical techniques > Particular set of orthogonal functions
Description: Subject matter wherein a special set of orthogonal functions are used to achieve multiplexed transmission (e.g., Legendre polynomials, Bessel functions).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620115 |
Space code block coding and spreading apparatus and method for transmission diversity and CDMA diversity transmitter and CDMA mobile station receiver using the same |
Nov. 17, 2009 |
| 7619963 |
OFDM signal frame generator, transmitter, signal transmission system and OFDM signal frame generating method |
Nov. 17, 2009 |
| 7616556 |
Wireless multicarrier system with subcarriers reserved for communication between unsynchronized nodes |
Nov. 10, 2009 |
| 7616557 |
Method and apparatus for canceling intercarrier interference through conjugate transmission for multicarrier communication systems |
Nov. 10, 2009 |
| 7613243 |
Interleaver and parser for OFDM MIMO systems |
Nov. 3, 2009 |
| 7613104 |
Method, apparatus and computer program product providing synchronization for OFDMA downlink signal |
Nov. 3, 2009 |
| 7609616 |
Sparse channel estimation for orthogonal frequency division multiplexed signals |
Oct. 27, 2009 |
| 7610025 |
Antenna array pattern distortion mitigation |
Oct. 27, 2009 |
| 7609749 |
Method and apparatus for generating non-recursive variable rate orthogonal spreading codes |
Oct. 27, 2009 |
| 7609615 |
Method and apparatus for performing channel compensation and symbol demodulation for coherent demodulation in an OFDM system |
Oct. 27, 2009 |
| 7609614 |
Uplink modulation and receiver structures for asymmetric OFDMA systems |
Oct. 27, 2009 |
| 7609613 |
Cyclic delay diversity and space coded-hybrid diversity transmitter |
Oct. 27, 2009 |
| 7609612 |
Multi-carrier transmitter for ultra-wideband (UWB) systems |
Oct. 27, 2009 |
| 7609611 |
Method for transmitting an offset modulated biorthogonal multicarrier signal (BFDM/OM) |
Oct. 27, 2009 |
| 7606165 |
What-if analysis for network diagnostics |
Oct. 20, 2009 |
| 7606139 |
Preamble detection using frequency based correlation |
Oct. 20, 2009 |
| 7606138 |
Multi-symbol encapsulated OFDM system |
Oct. 20, 2009 |
| 7606137 |
Cancellation systems for multicarrier transceiver arrays |
Oct. 20, 2009 |
| 7602696 |
Adaptive guard intervals in OFDM systems |
Oct. 13, 2009 |
| 7602697 |
Systems and methods for reducing the peak-to-average-power ratio in an OFDM-based system |
Oct. 13, 2009 |
| 7599440 |
Downlink control channel allocation method in mobile communication system |
Oct. 6, 2009 |
| 7599344 |
Method and apparatus for reducing multi-user processing in wireless communication systems |
Oct. 6, 2009 |
| 7599282 |
Wide frequency offset correction using encoded interburst phase differences |
Oct. 6, 2009 |
| 7599281 |
Low rate MIMO |
Oct. 6, 2009 |
| 7596167 |
Allocation method, network element, module and user device |
Sep. 29, 2009 |
| 7596133 |
Apparatus and method for data transmission/reception using channel state information in wireless communication system |
Sep. 29, 2009 |
| 7596111 |
Satellite/terrestrial wireless communications systems and methods using disparate channel separation codes |
Sep. 29, 2009 |
| 7596081 |
Method and system for training sequences |
Sep. 29, 2009 |
| 7593754 |
Receiving apparatus and receiving method of communication system with multiple antennas |
Sep. 22, 2009 |
| 7593475 |
Space-time and/or space-frequency block coding using complex signal swapping |
Sep. 22, 2009 |
| 7593317 |
Radio base station apparatus |
Sep. 22, 2009 |
| 7593316 |
Method for distributing data on an OFDM time-frequency grid, a base transceiver station, a base station controller and a mobile network therefor |
Sep. 22, 2009 |
| 7590045 |
Apparatus and method for transmitting fast feedback information in a wireless communication system |
Sep. 15, 2009 |
| 7590183 |
Generating signals for transmission of information |
Sep. 15, 2009 |
| 7587212 |
System and method for allocating ranging slots in a broadband wireless access communication system |
Sep. 8, 2009 |
| 7586887 |
Method and apparatus for wide bandwidth mixed-mode wireless communications |
Sep. 8, 2009 |
| 7586834 |
Method and apparatus for transmitting uplink acknowledgement information in an OFDMA communication system |
Sep. 8, 2009 |
| 7583766 |
System, and associated method, for utilizing block BLAST with PPIC in a MIMO multicode MC-CDMA system |
Sep. 1, 2009 |
| 7583624 |
Method of idle mode control in OFDM system |
Sep. 1, 2009 |
| 7583739 |
Channel estimation device, channel estimation method, and wireless receiver |
Sep. 1, 2009 |
| 7583738 |
Apparatus and method for reducing peak-to-average power ratio in orthogonal frequency division multiplexing communication system |
Sep. 1, 2009 |
| 7583736 |
Radio transmission device, radio reception device, and method for selecting transmission cancellation subcarriers |
Sep. 1, 2009 |
| 7583583 |
System and method for reducing peak-to-average power ratio in orthogonal frequency division multiplexing signals using reserved spectrum |
Sep. 1, 2009 |
| 7580345 |
Radio transmitting apparatus and radio transmitting method |
Aug. 25, 2009 |
| 7580346 |
Method and apparatus to improve SCDMA headroom |
Aug. 25, 2009 |
| 7580347 |
Synchronization of remote units using multiple adjustments |
Aug. 25, 2009 |
| 7580400 |
Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system |
Aug. 25, 2009 |
| 7577216 |
Guard interval and FFT mode detector in DVB-T receiver |
Aug. 18, 2009 |
| 7577165 |
Method and system of orthogonal signal spectrum overlay (OSSO) for communications |
Aug. 18, 2009 |
| 7577120 |
Allocation of power and channelization codes for data transfers |
Aug. 18, 2009 |
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