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Class Information
Number: 375/299
Name: Pulse or digital communications > Transmitters > Plural diversity
Description: Subject matter including two or more transmitters transmit the same messages through two or more channels via different paths, frequencies or times of transmission.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620113 |
Selectively changing demodulation modes depending on quality of received signal or a control signal |
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 |
| 7616698 |
Multiple-input multiple output system and method |
Nov. 10, 2009 |
| 7616703 |
Differential multiple-norm transmit diversity with forward error correction and related diversity reception |
Nov. 10, 2009 |
| 7616704 |
Broadband multicarrier transmitter with subchannel frequency diversity for transmitting a plurality of spatial streams |
Nov. 10, 2009 |
| 7613432 |
Method of controlling mobile communication system, control device, and mobile communication system |
Nov. 3, 2009 |
| 7613248 |
Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems |
Nov. 3, 2009 |
| 7609771 |
Maximum ratio transmission |
Oct. 27, 2009 |
| 7609780 |
Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO) |
Oct. 27, 2009 |
| 7609782 |
Space-time coded transmissions within a wireless communication network |
Oct. 27, 2009 |
| 7606320 |
Apparatus and method for space-frequency block coding/decoding in a communication system |
Oct. 20, 2009 |
| 7606326 |
Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation |
Oct. 20, 2009 |
| 7602745 |
Multiple input, multiple output wireless communication system, associated methods and data structures |
Oct. 13, 2009 |
| 7599420 |
System and method for distributed input distributed output wireless communications |
Oct. 6, 2009 |
| 7599444 |
Coding in a MIMO communication system |
Oct. 6, 2009 |
| 7593475 |
Space-time and/or space-frequency block coding using complex signal swapping |
Sep. 22, 2009 |
| 7593481 |
CDMA, W-CDMA, 3.sup.rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems |
Sep. 22, 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 |
| 7590183 |
Generating signals for transmission of information |
Sep. 15, 2009 |
| 7586862 |
Multi-connection, non-simultaneous frequency diversity in radio communication systems |
Sep. 8, 2009 |
| 7586979 |
Method for transmitting signals using antenna diversity, for instance in mobile communication systems, transmitter, receiver and computer program product therefor |
Sep. 8, 2009 |
| 7586997 |
Method and system for maximum transmit diversity |
Sep. 8, 2009 |
| 7583939 |
Method and system for antenna selection in wireless networks |
Sep. 1, 2009 |
| 7583745 |
Exploiting selection diversity in communications systems with non-orthonormal matrix and vector modulation |
Sep. 1, 2009 |
| 7583736 |
Radio transmission device, radio reception device, and method for selecting transmission cancellation subcarriers |
Sep. 1, 2009 |
| 7583746 |
Wireless transmitting and receiving device and method |
Sep. 1, 2009 |
| 7583721 |
Spread spectrum modulator and demodulator |
Sep. 1, 2009 |
| 7580477 |
Transmission system enabling reliable reception by a single device of information in channels concurrently transmitted on different frequencies |
Aug. 25, 2009 |
| 7580488 |
Broadband modulation/demodulation apparatus and a method thereof |
Aug. 25, 2009 |
| 7577128 |
Multiplexing scheme for unicast and broadcast/multicast traffic |
Aug. 18, 2009 |
| 7577085 |
Multicarrier transmit diversity |
Aug. 18, 2009 |
| 7570698 |
Multiple output multicarrier transmitter and methods for spatial interleaving a plurality of spatial streams |
Aug. 4, 2009 |
| 7567622 |
Constellation rearrangement for ARQ transmit diversity schemes |
Jul. 28, 2009 |
| 7567623 |
Differential space-time block coding apparatus with high transmission rate and method thereof |
Jul. 28, 2009 |
| 7567624 |
System and method of communicating using combined signal parameter diversity |
Jul. 28, 2009 |
| 7567625 |
Apparatus and method for sub-carrier allocation in a multiple-input and multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system |
Jul. 28, 2009 |
| 7564917 |
Multicarrier receiver and method for generating common phase error estimates for use in systems that employ two or more transmit antennas with independent local oscillators |
Jul. 21, 2009 |
| 7564910 |
Method and system for communications with reduced complexity receivers |
Jul. 21, 2009 |
| 7564907 |
Technique for providing secondary data in a single-frequency network |
Jul. 21, 2009 |
| 7561631 |
Multiple streams using partial STBC with SDM within a wireless local area network |
Jul. 14, 2009 |
| 7558335 |
Communication system modulating/demodulating data using antenna patterns and associated methods |
Jul. 7, 2009 |
| 7558537 |
Modified preamble for programmable transmitter |
Jul. 7, 2009 |
| 7558580 |
Apparatus and method for antenna verification of closed loop mode transmit diversity |
Jul. 7, 2009 |
| 7555053 |
Long training sequence for MIMO WLAN systems |
Jun. 30, 2009 |
| 7555060 |
Spatio-temporal processing for communication |
Jun. 30, 2009 |
| 7551902 |
Method and apparatus to increase the diversity order for a multi-carrier FDM system |
Jun. 23, 2009 |
| 7551681 |
Digital wireless audio transmitter system employing time diversity |
Jun. 23, 2009 |
| 7548588 |
Method of transmitting data using space time block codes |
Jun. 16, 2009 |
| 7548592 |
Multiple input, multiple output communications systems |
Jun. 16, 2009 |
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