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Class Information
Number: 455/501
Name: Telecommunications > Transmitter and receiver at separate stations > Plural transmitters or receivers (i.e., more than two stations) > Noise, distortion, or singing reduction
Description: Subject matter wherein any undesired electrical disturbance within the useful frequency band arising from sources internal or external to the system (e.g., crosstalk, power induction, atmospheric noise, etc.); or any undesired self-sustained oscillation existing in the system; or other unwanted signal tending to interfere with the operation of the system is reduced or prevented entirely.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623879 |
Method and device for controlling radio access |
Nov. 24, 2009 |
| 7599420 |
System and method for distributed input distributed output wireless communications |
Oct. 6, 2009 |
| 7590388 |
Method and arrangement for noise variance and SIR estimation |
Sep. 15, 2009 |
| 7590392 |
Transmitter compensation |
Sep. 15, 2009 |
| 7587211 |
Method and system for adaptive multi rate (AMR) and measurements downlink adaptation |
Sep. 8, 2009 |
| 7586891 |
Communication network optimization tool |
Sep. 8, 2009 |
| 7573945 |
System and method for joint maximal ratio combining using time-domain based signal processing |
Aug. 11, 2009 |
| 7567609 |
Space-time multiuser detector in mobile communication system and method thereof |
Jul. 28, 2009 |
| 7561629 |
Multicarrier receiver and transmitter with delay correcting function |
Jul. 14, 2009 |
| 7552050 |
Speech recognition system and method utilizing adaptive cancellation for talk-back voice |
Jun. 23, 2009 |
| 7545886 |
Method and apparatus for eye-opening based optimization |
Jun. 9, 2009 |
| 7539459 |
Active noise cancellation system, arrangement, and method |
May. 26, 2009 |
| 7529548 |
Method and system for adapting a wireless link to achieve a desired channel quality |
May. 5, 2009 |
| 7525942 |
Method and apparatus for detecting interference using correlation |
Apr. 28, 2009 |
| 7522928 |
Dynamic EMI (electromagnetic interference) management |
Apr. 21, 2009 |
| 7515920 |
Communication terminal unit, cell-search method, and program |
Apr. 7, 2009 |
| 7508751 |
Method and apparatus for transmitting uplink fast feedback information in an OFDMA communication system |
Mar. 24, 2009 |
| 7493130 |
Synchronizing over a number of synchronization mechanisms using flexible rules |
Feb. 17, 2009 |
| 7489657 |
Determination and use of adaptive thresholds for received messages |
Feb. 10, 2009 |
| 7486933 |
Multi-path interference removing for wireless relay system apparatus and method using by same channel frequency |
Feb. 3, 2009 |
| 7477635 |
Platform noise mitigation in OFDM receivers |
Jan. 13, 2009 |
| 7477876 |
Variable rate channel quality feedback in a wireless communication system |
Jan. 13, 2009 |
| 7471934 |
Transmitter method, apparatus, and frequency plan for minimizing spurious energy |
Dec. 30, 2008 |
| 7466989 |
Synchronization method for terminal-to-terminal direct communication in time division duplex mobile communication system |
Dec. 16, 2008 |
| 7460829 |
Wireless communication system |
Dec. 2, 2008 |
| 7460879 |
Mobile communication system, mobile terminal, transmit power control method in a mobile terminal, and program |
Dec. 2, 2008 |
| 7447511 |
Method and device for equalizing mode selection |
Nov. 4, 2008 |
| 7444121 |
Methods and apparatuses for reducing interference using frequency division multiple access |
Oct. 28, 2008 |
| 7444169 |
Wireless base station apparatus and wireless communication control method |
Oct. 28, 2008 |
| 7440766 |
Method for employing multipath propagation in wireless radio communications |
Oct. 21, 2008 |
| 7440508 |
System and method for cellular communications |
Oct. 21, 2008 |
| 7433348 |
Time division multiplexing protocol for wireless networks |
Oct. 7, 2008 |
| 7430426 |
Apparatus, and associated method, for selectably delaying synchronization of database copies in a radio communication system |
Sep. 30, 2008 |
| 7428280 |
Receiving apparatus and transceiver |
Sep. 23, 2008 |
| 7426374 |
Combination of high-side and low-side current sensing in system for providing power over communication link |
Sep. 16, 2008 |
| 7421280 |
Wireless network and wireless access terminals using enhanced SYNC.sub.--ID parameter |
Sep. 2, 2008 |
| 7421279 |
Method, system and apparatus for improving reception in multiple access communication systems |
Sep. 2, 2008 |
| 7406327 |
System that adapts power for minimizing the total amount of transmitted power within a wireless communications network and related method |
Jul. 29, 2008 |
| 7380028 |
Robust delivery of video data |
May. 27, 2008 |
| 7366128 |
System and method for avoiding interference between two communications systems |
Apr. 29, 2008 |
| 7362828 |
Method of and system for optimizing the capacity of a digital communication system in presence of both internal and external noise |
Apr. 22, 2008 |
| 7352712 |
System and method for detecting a delay in a computer network |
Apr. 1, 2008 |
| 7349379 |
Channel normalization |
Mar. 25, 2008 |
| 7346310 |
Method for verifying anti-scrambling efficiency of a communication system |
Mar. 18, 2008 |
| 7343170 |
System and method for allowing nodes in a wireless communication network to access multiple channels |
Mar. 11, 2008 |
| 7340265 |
Method and apparatus for transient frequency distortion compensation |
Mar. 4, 2008 |
| 7333813 |
Methods and devices for assigning mobile devices to base stations in the presence of interference |
Feb. 19, 2008 |
| 7330351 |
Mobile power adapter |
Feb. 12, 2008 |
| 7324791 |
Low-noise differential bias circuit and differential signal processing apparatus |
Jan. 29, 2008 |
| 7321582 |
Method for dynamic control of RTS threshold to improve throughput of MAC in wireless LAN system, and computer-readable medium thereof |
Jan. 22, 2008 |
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