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Class Information
Number: 375/267
Name: Pulse or digital communications > Systems using alternating or pulsating current > Plural channels for transmission of a single pulse train > Diversity
Description: Subject matter where the two or more channels carrying the same message go from the transmitter to the receiver via different paths, frequencies, or times of transmission.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620002 |
Apparatus and method for controlling multiplex number in spatial domain |
Nov. 17, 2009 |
| 7620096 |
Equal BER power control for uplink MC-CDMA with MMSE successive interference cancellation |
Nov. 17, 2009 |
| 7620113 |
Selectively changing demodulation modes depending on quality of received signal or a control signal |
Nov. 17, 2009 |
| 7620114 |
System, method, apparatus, and computer program for wireless communication |
Nov. 17, 2009 |
| 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 |
| 7620117 |
Apparatus and method for encoding/decoding space time block code in a mobile communication system using multiple input multiple output scheme |
Nov. 17, 2009 |
| 7616704 |
Broadband multicarrier transmitter with subchannel frequency diversity for transmitting a plurality of spatial streams |
Nov. 10, 2009 |
| 7616699 |
Method of soft bit metric calculation with direct matrix inversion MIMO detection |
Nov. 10, 2009 |
| 7616698 |
Multiple-input multiple output system and method |
Nov. 10, 2009 |
| 7616695 |
MIMO equalizer design: an algorithmic perspective |
Nov. 10, 2009 |
| 7613432 |
Method of controlling mobile communication system, control device, and mobile communication system |
Nov. 3, 2009 |
| 7613259 |
Mobile receiver phase correction circuit |
Nov. 3, 2009 |
| 7613247 |
Variable throughput reduction communications system and method |
Nov. 3, 2009 |
| 7613243 |
Interleaver and parser for OFDM MIMO systems |
Nov. 3, 2009 |
| 7613245 |
Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access |
Nov. 3, 2009 |
| 7609794 |
Reduced complexity sliding window based equalizer |
Oct. 27, 2009 |
| 7609793 |
Radio receiver and radio receiving method |
Oct. 27, 2009 |
| 7609792 |
Multiple-input multiple-output multichip transceiver with correlated clock signals |
Oct. 27, 2009 |
| 7609782 |
Space-time coded transmissions within a wireless communication network |
Oct. 27, 2009 |
| 7609780 |
Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO) |
Oct. 27, 2009 |
| 7609771 |
Maximum ratio transmission |
Oct. 27, 2009 |
| 7609615 |
Method and apparatus for performing channel compensation and symbol demodulation for coherent demodulation in an OFDM system |
Oct. 27, 2009 |
| 7606337 |
Enhancing signals |
Oct. 20, 2009 |
| 7606326 |
Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation |
Oct. 20, 2009 |
| 7606320 |
Apparatus and method for space-frequency block coding/decoding in a communication system |
Oct. 20, 2009 |
| 7606319 |
Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels |
Oct. 20, 2009 |
| 7606318 |
Method of space-time encoding and decoding for frequency selective fading channel |
Oct. 20, 2009 |
| 7603140 |
Method of phase sweep transmit diversity (PSTD) and apparatus for providing PSTD |
Oct. 13, 2009 |
| 7602855 |
Method and apparatus for singular value decomposition of a channel matrix |
Oct. 13, 2009 |
| 7602852 |
Initial parameter estimation in OFDM systems |
Oct. 13, 2009 |
| 7602837 |
Beamforming for non-collaborative, space division multiple access systems |
Oct. 13, 2009 |
| 7602810 |
Transmission of generic digital messages through a microprocessor monitoring circuit |
Oct. 13, 2009 |
| 7599419 |
Method and apparatus for use of space time trellis codes based on channel phase feedback |
Oct. 6, 2009 |
| 7599420 |
System and method for distributed input distributed output wireless communications |
Oct. 6, 2009 |
| 7599443 |
Method and apparatus to balance maximum information rate with quality of service in a MIMO system |
Oct. 6, 2009 |
| 7599444 |
Coding in a MIMO communication system |
Oct. 6, 2009 |
| 7596181 |
Apparatus and method for frequency synchronization in OFDM system |
Sep. 29, 2009 |
| 7596168 |
Diversity receiving apparatus, controlling method of the same, and computer-readable medium containing program therefor |
Sep. 29, 2009 |
| 7593489 |
Iterative STBICM MIMO receiver using group-wise demapping |
Sep. 22, 2009 |
| 7593481 |
CDMA, W-CDMA, 3.sup.rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems |
Sep. 22, 2009 |
| 7593475 |
Space-time and/or space-frequency block coding using complex signal swapping |
Sep. 22, 2009 |
| 7590195 |
Reduced-complexity multiple-input multiple-output (MIMO) channel detection via sequential Monte Carlo |
Sep. 15, 2009 |
| 7590191 |
Means for transmitting two signals on the same frequency at the same time for use in mobile and fixed applications |
Sep. 15, 2009 |
| 7590182 |
Method and apparatus for utilizing channel state information in a wireless communication system |
Sep. 15, 2009 |
| 7590166 |
Apparatus and method for canceling an interference signal in a mobile communication system using multiple antennas |
Sep. 15, 2009 |
| 7586881 |
MIMO wireless communication greenfield preamble formats |
Sep. 8, 2009 |
| 7586992 |
Apparatus and method for channel estimation and cyclic prefix reconstruction in an OFDM-STBC mobile communication system |
Sep. 8, 2009 |
| 7583939 |
Method and system for antenna selection in wireless networks |
Sep. 1, 2009 |
| 7583761 |
Channel estimation for wireless systems without matrix inversion |
Sep. 1, 2009 |
| 7583748 |
Frequency-domain method for joint equalization and decoding of space-time block codes |
Sep. 1, 2009 |
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