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Class Information
Number: 375/259
Name: Pulse or digital communications > Systems using alternating or pulsating current
Description: Subject matter using alternating, sine, or similar wave currents or using pulsating currents in the transmission and reception of pulse or digital communications.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620076 |
System and method for variably inserting training symbols into transmissions by estimating the channel coherence time in a wireless communication network |
Nov. 17, 2009 |
| 7620116 |
Technique for determining an optimal transition-limiting code for use in a multi-level signaling system |
Nov. 17, 2009 |
| 7609771 |
Maximum ratio transmission |
Oct. 27, 2009 |
| 7609755 |
Simplified timing correction for data despreading of serial offset quadrature pulse-shaped spread signals |
Oct. 27, 2009 |
| 7609772 |
Apparatus and method for optimally compensating for imbalance between in-phase and quadrature-phase in a zero-IF OFDM receiver |
Oct. 27, 2009 |
| 7609795 |
Interpolation module, interpolator and methods capable of recovering timing in a timing recovery apparatus |
Oct. 27, 2009 |
| 7606315 |
Line sensor selection for quantifying alien crosstalk in a shared communications medium |
Oct. 20, 2009 |
| 7606335 |
Signal pulse detection scheme for use in real-time spectrum analysis |
Oct. 20, 2009 |
| 7599440 |
Downlink control channel allocation method in mobile communication system |
Oct. 6, 2009 |
| 7596080 |
Method for distributing data on an OFDM time-frequency grid allowing for coordination of interferences and adaptive subcarrier frequency allocation, a base transceiver station, a base station |
Sep. 29, 2009 |
| 7593480 |
Transmission device and radio communication device |
Sep. 22, 2009 |
| 7593742 |
Received communication signal processing methods and components for wireless communication equipment |
Sep. 22, 2009 |
| 7593449 |
Multicarrier sub-layer for direct sequence channel and multiple-access coding |
Sep. 22, 2009 |
| 7590087 |
Methods for wireless data transmission between a base station and one or more transponders |
Sep. 15, 2009 |
| 7590045 |
Apparatus and method for transmitting fast feedback information in a wireless communication system |
Sep. 15, 2009 |
| 7590189 |
Signaling format for wireless communications |
Sep. 15, 2009 |
| 7590168 |
Low complexity high-speed communications transceiver |
Sep. 15, 2009 |
| 7590181 |
Adaptive modulation and coding |
Sep. 15, 2009 |
| 7590201 |
Method for detecting signal in multiple input multiple output system and receiving device of multiple input multiple output system |
Sep. 15, 2009 |
| 7586994 |
Interface apparatus and method for data recovery and synchronization |
Sep. 8, 2009 |
| 7587007 |
Transmitter diversity technique for wireless communications |
Sep. 8, 2009 |
| 7583734 |
Two-wire type data communication method and system, controller and data recording apparatus |
Sep. 1, 2009 |
| 7583937 |
Digital interface and related event manager for integrated circuits |
Sep. 1, 2009 |
| 7583772 |
System for shifting data bits multiple times per clock cycle |
Sep. 1, 2009 |
| 7583703 |
System and method for power injection and out of band communications on shared medium |
Sep. 1, 2009 |
| 7583725 |
Dynamically reconfigurable adaptive communication device and system |
Sep. 1, 2009 |
| 7583735 |
Methods and systems for handling underflow and overflow in a software defined radio |
Sep. 1, 2009 |
| 7583746 |
Wireless transmitting and receiving device and method |
Sep. 1, 2009 |
| 7580494 |
Low wander timing generation and recovery |
Aug. 25, 2009 |
| 7573942 |
Method for encoding and decoding control information in a wireless communications system |
Aug. 11, 2009 |
| 7564385 |
Current compensation for digital-to-analog converter |
Jul. 21, 2009 |
| 7564905 |
System and method for providing terrestrial digital broadcasting service using single frequency network |
Jul. 21, 2009 |
| 7564909 |
Apparatus and method for detecting ranging signal in an orthogonal frequency division multiple access mobile communication system |
Jul. 21, 2009 |
| 7564932 |
Method and system for enhancing bit rate in DMT quad spectrum systems |
Jul. 21, 2009 |
| 7561628 |
Apparatus and method for cell acquisition and downlink synchronization acquisition in a wireless communication system |
Jul. 14, 2009 |
| 7561629 |
Multicarrier receiver and transmitter with delay correcting function |
Jul. 14, 2009 |
| 7558333 |
Distortion tolerant linear phase modulations |
Jul. 7, 2009 |
| 7558326 |
Method and apparatus for sending auxiliary data on a TMDS-like link |
Jul. 7, 2009 |
| 7555049 |
Receiver-side selection of DSL communications mode |
Jun. 30, 2009 |
| 7555038 |
Transmission system, signal receiver, test apparatus and test head |
Jun. 30, 2009 |
| 7551669 |
System for multiplexing independent signals |
Jun. 23, 2009 |
| 7551675 |
Method and apparatus for synchronized transmission and reception of data in a digital audio broadcasting system |
Jun. 23, 2009 |
| 7551786 |
System and method for efficient non-overlapping partitioning of rectangular regions of interest in multi-channel detection |
Jun. 23, 2009 |
| 7548597 |
Cascadable diversity receiving system and method thereof |
Jun. 16, 2009 |
| 7545860 |
System and method of equalization of high speed signals |
Jun. 9, 2009 |
| 7545867 |
Adaptive channel bandwidth selection for MIMO wireless systems |
Jun. 9, 2009 |
| 7545866 |
Dual loop signal quality based link adaptation |
Jun. 9, 2009 |
| 7545868 |
High bandwidth data transport system |
Jun. 9, 2009 |
| 7542516 |
Synchronization method for symbol boundary detection in UWB-OFDM |
Jun. 2, 2009 |
| 7542512 |
Communication apparatus and communication method |
Jun. 2, 2009 |
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