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Class Information
Number: 375/221
Name: Pulse or digital communications > Transceivers > Loopback mode
Description: Subject matter wherein the transceiver or transceiver"s component is compared by connecting a received path to a transmitted path and monitoring the output as an indication of the condition of the transceiver or transceiver"s component.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613244 |
System for communicating channel quality information |
Nov. 3, 2009 |
| 7603095 |
Apparatus and method of switching intervals |
Oct. 13, 2009 |
| 7590207 |
Modular serial interface in programmable logic device |
Sep. 15, 2009 |
| 7587202 |
Method for conducting digital interface and baseband circuitry tests using digital loopback |
Sep. 8, 2009 |
| 7571363 |
Parametric measurement of high-speed I/O systems |
Aug. 4, 2009 |
| 7564893 |
Test system and method for parallel modulation error measurement of transceivers |
Jul. 21, 2009 |
| 7564895 |
Method and apparatus for monitoring channel frequency response |
Jul. 21, 2009 |
| 7564904 |
Apparatus for and method of detection of powered devices over a network |
Jul. 21, 2009 |
| 7545866 |
Dual loop signal quality based link adaptation |
Jun. 9, 2009 |
| 7542514 |
Method and device for adaptive modulation and coding based on second order statistics of channel information |
Jun. 2, 2009 |
| 7539461 |
Radio apparatus, and method and program for controlling spatial path |
May. 26, 2009 |
| 7532665 |
Wireless communication apparatus and method, and computer program |
May. 12, 2009 |
| 7522672 |
Digital branch calibrator for an RF transmitter |
Apr. 21, 2009 |
| 7493095 |
PMA RX in coarse loop for high speed sampling |
Feb. 17, 2009 |
| 7489724 |
System and method for connecting a host and a target |
Feb. 10, 2009 |
| 7486722 |
Bandwidth efficient cable network modem |
Feb. 3, 2009 |
| 7472318 |
System and method for determining on-chip bit error rate (BER) in a communication system |
Dec. 30, 2008 |
| 7444558 |
Programmable measurement mode for a serial point to point link |
Oct. 28, 2008 |
| 7426599 |
Systems and methods for writing data with a FIFO interface |
Sep. 16, 2008 |
| 7426235 |
Method of adaptive equalization for high-speed NRZ and multi-level signal data communications |
Sep. 16, 2008 |
| 7385959 |
Power-efficient channel condition feedback for OFDM channels |
Jun. 10, 2008 |
| 7379494 |
MAC protocol employing multiple data rates |
May. 27, 2008 |
| 7362826 |
Receiver including an oscillation circuit for generating an image rejection calibration tone |
Apr. 22, 2008 |
| 7360127 |
Method and apparatus for evaluating and optimizing a signaling system |
Apr. 15, 2008 |
| 7343431 |
Method, apparatus, and computer-readable medium for disabling BIOS-provided console redirection capabilities in the presence of an incompatible communications device |
Mar. 11, 2008 |
| 7330502 |
Input/output circuit and semiconductor integrated circuit |
Feb. 12, 2008 |
| 7321616 |
Method and apparatus for increasing soft modem capacity |
Jan. 22, 2008 |
| 7321614 |
Apparatus and methods for communicating using symbol-modulated subcarriers |
Jan. 22, 2008 |
| 7319716 |
Transmitter image suppression in TDD transceivers |
Jan. 15, 2008 |
| 7295618 |
Automatic adaptive equalization method and system for high-speed serial transmission link |
Nov. 13, 2007 |
| 7277477 |
Zero overhead back channel for adaptive transmit filter updates in SerDes transceivers |
Oct. 2, 2007 |
| 7277492 |
Transmission apparatus, transmission control method, reception apparatus, and reception control method |
Oct. 2, 2007 |
| 7277512 |
Systems and methods for accounting for intercarrier interference in transmission systems |
Oct. 2, 2007 |
| 7272756 |
Exploitive test pattern apparatus and method |
Sep. 18, 2007 |
| 7236778 |
System and method for testing transceivers |
Jun. 26, 2007 |
| 7227888 |
Testing loops for channel codecs |
Jun. 5, 2007 |
| 7212496 |
Remote test unit |
May. 1, 2007 |
| 7203460 |
Automated test of receiver sensitivity and receiver jitter tolerance of an integrated circuit |
Apr. 10, 2007 |
| 7203459 |
Mode adaptation in wireless systems |
Apr. 10, 2007 |
| 7203225 |
Method of phase controlling of a data signal, counter clock circuit arrangement, and interface device |
Apr. 10, 2007 |
| 7200196 |
Interpolation based timing recovery |
Apr. 3, 2007 |
| 7194037 |
Active replica transformer hybrid |
Mar. 20, 2007 |
| 7188196 |
Method and apparatus for playing analog audio to multiple codec outputs |
Mar. 6, 2007 |
| 7180935 |
System and method for compensating for delay time fluctuations |
Feb. 20, 2007 |
| 7162732 |
System and related methods facilitating the detection and acquisition of a data channel in a cable modem |
Jan. 9, 2007 |
| 7111208 |
On-chip standalone self-test system and method |
Sep. 19, 2006 |
| 7099278 |
Line loop back for very high speed application |
Aug. 29, 2006 |
| 7095996 |
Wireless communication system, and demodulation method and data rate control method therefor |
Aug. 22, 2006 |
| 7093172 |
System and method for determining on-chip bit error rate (BER) in a communication system |
Aug. 15, 2006 |
| 7082557 |
High speed serial interface test |
Jul. 25, 2006 |
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