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Class Information
Number: 455/226.1
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Measuring or testing of receiver
Description: Subject matter comprising means which, in use, determines qualitatively or quantitatively, a receiver characteristic.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620368 |
Systems and techniques for testing a wireless communications device |
Nov. 17, 2009 |
| 7620371 |
Transmitter signal strength indicator |
Nov. 17, 2009 |
| 7620423 |
Method and system for creating beamformed channels in a multi-input multi-output network |
Nov. 17, 2009 |
| 7606165 |
What-if analysis for network diagnostics |
Oct. 20, 2009 |
| 7603085 |
Bandpass filter with integrated variable gain function |
Oct. 13, 2009 |
| 7603092 |
Estimation of CINR and RSSI in a wireless communication system |
Oct. 13, 2009 |
| 7599671 |
Radar detection apparatus and method thereof |
Oct. 6, 2009 |
| 7599666 |
Communication system and method using transmit diversity |
Oct. 6, 2009 |
| 7593692 |
Radar detection circuit for a WLAN transceiver |
Sep. 22, 2009 |
| 7592794 |
Integrated low power received signal strength indicator (RSSI) with linear characteristic |
Sep. 22, 2009 |
| 7590388 |
Method and arrangement for noise variance and SIR estimation |
Sep. 15, 2009 |
| 7590389 |
Radio link quality determination in a wireless network |
Sep. 15, 2009 |
| 7587174 |
Antenna unit and radio base station therewith |
Sep. 8, 2009 |
| 7587175 |
Radio frequency unit analog level detector and feedback control system |
Sep. 8, 2009 |
| 7587195 |
Wireless communications apparatus made operative in dependent upon a received signal strength |
Sep. 8, 2009 |
| 7583978 |
Technology for controlling wireless communication |
Sep. 1, 2009 |
| 7583983 |
Adaptive array wireless communication apparatus, reception level display method, reception level adjusting method, reception level display program, and reception level adjusting program |
Sep. 1, 2009 |
| 7580694 |
Contactless integrated circuit with high-efficiency electrical power supply circuit |
Aug. 25, 2009 |
| 7580680 |
Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method |
Aug. 25, 2009 |
| 7577412 |
System and method for detecting narrow bandwidth signal content to determine channel occupancy |
Aug. 18, 2009 |
| 7577413 |
Method and apparatus for calibrating a filter of a receiver |
Aug. 18, 2009 |
| 7574178 |
Apparatus and method for cancelling interference in a mobile communication system using multiple antennas |
Aug. 11, 2009 |
| 7574184 |
Method and device for detecting occupation by a signal of an adjacent channel |
Aug. 11, 2009 |
| 7574188 |
Apparatus and method for removing jammer signal in wireless communication receiver |
Aug. 11, 2009 |
| 7570946 |
Method for determining the signal strength at the input of a tuner |
Aug. 4, 2009 |
| 7570923 |
I/Q compensation of frequency dependent response mismatch in a pair of analog low-pass filters |
Aug. 4, 2009 |
| 7567787 |
Apparatus and method of feeding internal calibration signal through electro-static discharge protection circuitry |
Jul. 28, 2009 |
| 7561212 |
Digital broadcast receiving apparatus and receiving method |
Jul. 14, 2009 |
| 7561862 |
Automatic selection of compensation value to reduce IM2 product in mixed signal output |
Jul. 14, 2009 |
| 7558543 |
Radio frequency tuner |
Jul. 7, 2009 |
| 7558559 |
Systems and methods for a wireless messaging information service |
Jul. 7, 2009 |
| 7555295 |
System for determining radiated radio frequency (RF) receiver sensitivity and related methods |
Jun. 30, 2009 |
| 7555294 |
System for determining total isotropic sensitivity (TIS) and related methods |
Jun. 30, 2009 |
| 7555053 |
Long training sequence for MIMO WLAN systems |
Jun. 30, 2009 |
| 7551922 |
Rule based data collection and management in a wireless communications network |
Jun. 23, 2009 |
| 7548735 |
Signal detecting frequency counter |
Jun. 16, 2009 |
| 7542743 |
Maximum likelihood detection for MIMO receivers |
Jun. 2, 2009 |
| 7542751 |
Down-converter and calibration method thereof |
Jun. 2, 2009 |
| 7539495 |
Node placement method within a wireless network, such as a wireless local area network |
May. 26, 2009 |
| 7539475 |
Wireless terminal methods and apparatus for DC tone special treatment |
May. 26, 2009 |
| 7539460 |
Method and tester for determining an error rate of a mobile-telephone device, especially for USF-BLER |
May. 26, 2009 |
| 7539273 |
Method for separating interfering signals and computing arrival angles |
May. 26, 2009 |
| 7532864 |
Noise power estimation method and noise power estimation device |
May. 12, 2009 |
| 7532595 |
Mobile terminal apparatus and channel compensation method of the same |
May. 12, 2009 |
| 7532872 |
Wireless peripheral interface with universal serial bus port |
May. 12, 2009 |
| 7522891 |
High frequency peak power detection circuit |
Apr. 21, 2009 |
| 7519343 |
Receiver for receiving a data stream having first and second reference entries and method for operating the same |
Apr. 14, 2009 |
| 7519342 |
Tunable tracking filter |
Apr. 14, 2009 |
| 7519338 |
Apparatus and method for pulse measurement |
Apr. 14, 2009 |
| 7515879 |
Radio frequency circuit module |
Apr. 7, 2009 |
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