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Class Information
Number: 370/204
Name: Multiplex communications > Generalized orthogonal or special mathematical techniques > Plural diverse modulation techniques
Description: Subject matter wherein a wave carrier of information is being modified by more than one modulation technique.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609610 |
Data transmission method, data reception method, transmission device and reception device using the same, and communication system using the same |
Oct. 27, 2009 |
| 7606165 |
What-if analysis for network diagnostics |
Oct. 20, 2009 |
| 7607165 |
Method and apparatus for multiplication and/or modular reduction processing |
Oct. 20, 2009 |
| 7599390 |
Approximate bit-loading for data transmission over frequency-selective channels |
Oct. 6, 2009 |
| 7599348 |
Digital E8-VSB reception system and E8-VSB data demultiplexing method |
Oct. 6, 2009 |
| 7596081 |
Method and system for training sequences |
Sep. 29, 2009 |
| 7593697 |
Adaptive coding and modulation |
Sep. 22, 2009 |
| 7586835 |
Apparatus for generating 2D spreading code and method for the same |
Sep. 8, 2009 |
| 7583736 |
Radio transmission device, radio reception device, and method for selecting transmission cancellation subcarriers |
Sep. 1, 2009 |
| 7583694 |
Data definition apparatus, systems, and methods |
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 |
| 7584259 |
System and method for providing service technicians access to dispatch information |
Sep. 1, 2009 |
| 7577160 |
MB-OFDM transmitter and receiver and signal processing method thereof |
Aug. 18, 2009 |
| 7574175 |
Method and system for selective equalization enablement based on modulation type |
Aug. 11, 2009 |
| 7570576 |
Detection and mitigation of temporary (bursts) impairments in channels using SCDMA |
Aug. 4, 2009 |
| 7570577 |
Apparatus, method, and program for detecting communication parameter |
Aug. 4, 2009 |
| 7567501 |
Embedded keying |
Jul. 28, 2009 |
| 7564908 |
Method and apparatus for encryption of over-the-air communications in a wireless communication system |
Jul. 21, 2009 |
| 7561897 |
System and apparatus for performing broadcast and localcast communications |
Jul. 14, 2009 |
| 7561509 |
Method and apparatus for scheduling and modulation and coding selection for supporting quality of service in transmission on forward shared radio channels |
Jul. 14, 2009 |
| 7558189 |
Image signal cancel-type heterodyne reception method and direct conversion orthogonal frequency division multiplexing reception method |
Jul. 7, 2009 |
| 7545731 |
Virtual buffer size management system for the transmission of blocks of data bits in an HS-DSCH downlink channel of a mobile communications network |
Jun. 9, 2009 |
| 7542446 |
Space time transmit diversity with subgroup rate control and subgroup antenna selection in multi-input multi-output communications systems |
Jun. 2, 2009 |
| 7542726 |
Methods and apparatuses for detecting the TX diversity mode for mobile radio receivers |
Jun. 2, 2009 |
| 7542722 |
Method and arrangement for minimizing intracell interference in a data transmission system |
Jun. 2, 2009 |
| 7539122 |
Device and method for management of the transmission of blocks of data in an HS-DSCH downlink channel of a mobile communications network |
May. 26, 2009 |
| 7539255 |
Using multiple pilot signals for timing error estimation in digital subscriber line communications |
May. 26, 2009 |
| 7535860 |
Apparatus and method for transmitting/receiving pilot signal in communication system using OFDM scheme |
May. 19, 2009 |
| 7535822 |
Synchronization of remote units for a communication network |
May. 19, 2009 |
| 7532562 |
High-data-rate communication link using multiple lower rate modems |
May. 12, 2009 |
| 7532563 |
Mechanism to improve quality of channel estimates in OFDM transmissions |
May. 12, 2009 |
| 7489622 |
Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method |
Feb. 10, 2009 |
| 7489621 |
Adaptive puncturing technique for multicarrier systems |
Feb. 10, 2009 |
| 7483365 |
Process for obtaining notches in the transmission of signals over the electricity network |
Jan. 27, 2009 |
| 7480236 |
Multipoint-to-point communication using orthgonal frequency division multiplexing and identification codes |
Jan. 20, 2009 |
| 7477633 |
Method and apparatus for varying the number of pilot tones in a multiple antenna communication system |
Jan. 13, 2009 |
| 7474610 |
OFDM automatic frequency control device and method thereof |
Jan. 6, 2009 |
| 7471620 |
Method for the selection of forward error correction (FEC)/ constellation pairings for digital transmitted segments based on learning radio link adaptation (RLA) |
Dec. 30, 2008 |
| 7453853 |
Adaptive correlation of access codes in a packet-based communication system |
Nov. 18, 2008 |
| 7450489 |
Multiple-antenna communication systems and methods for communicating in wireless local area networks that include single-antenna communication devices |
Nov. 11, 2008 |
| 7447145 |
Data communication device selecting modulation method with an appropriate threshold value in adaptive modulation |
Nov. 4, 2008 |
| 7439813 |
Method and system for generating carrier frequencies for UWB application |
Oct. 21, 2008 |
| 7430215 |
Interleaver, deinterleaver, interleaving method, and deinterleaving method for OFDM data |
Sep. 30, 2008 |
| 7430162 |
Interleaving of information bits |
Sep. 30, 2008 |
| 7430168 |
Wireless communication apparatus, wireless communication method, and computer program |
Sep. 30, 2008 |
| 7426177 |
Round trip delay adjustment in multipoint-to-point communication using orthogonal frequency division multiplexing |
Sep. 16, 2008 |
| 7423958 |
Transmitter for transmitting signals over radio channels and method for transmitting signals over radio channels |
Sep. 9, 2008 |
| 7420915 |
Radio communications apparatus and radio communications method |
Sep. 2, 2008 |
| 7417944 |
Method for orderwire modulation |
Aug. 26, 2008 |
| 7408872 |
Modulation of signals for transmission in packets via an air interface |
Aug. 5, 2008 |
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