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Class Information
Number: 375/133
Name: Pulse or digital communications > Spread spectrum > Frequency hopping > End-to-end transmission system
Description: Subject matter comprising at least two stations where signals are transmitted and received between stations.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623561 |
Channel characteristics estimation system, channel characteristics estimation method, communication apparatus, and communication method |
Nov. 24, 2009 |
| 7620005 |
Method and apparatus for code assignment in a spread spectrum wireless communication system |
Nov. 17, 2009 |
| RE40986 |
Channel simulator for mobile systems |
Nov. 17, 2009 |
| 7613223 |
Time-frequency coding in a multi-band ultra-wideband system |
Nov. 3, 2009 |
| 7613224 |
Qualification and selection of the frequency channels for an adaptive frequency hopping method by means of field strength measurement |
Nov. 3, 2009 |
| 7606327 |
Method to receive local information with a national broadcast service |
Oct. 20, 2009 |
| 7599418 |
Method and apparatus for a frequency hopper |
Oct. 6, 2009 |
| 7592897 |
RFID readers system and methods for early hopping out of a frequency channel in the presence of RF interference |
Sep. 22, 2009 |
| 7589618 |
RFID readers systems and methods for hopping away from a frequency channel with RF interference |
Sep. 15, 2009 |
| 7577180 |
Method and system for maintaining synchronization in low-power mode over a frequency hopping radio link |
Aug. 18, 2009 |
| 7548578 |
Digital frequency hopping transceiver and method thereof |
Jun. 16, 2009 |
| 7545847 |
Frequency synthesizer applied to frequency hopping system |
Jun. 9, 2009 |
| 7535822 |
Synchronization of remote units for a communication network |
May. 19, 2009 |
| 7529288 |
Channel qualification for an adaptive frequency hopping method by means of bit or packet error rate measurement and simultaneous field strength measurement |
May. 5, 2009 |
| 7519100 |
Method and device for transmission/reception with frequency hopping |
Apr. 14, 2009 |
| 7515627 |
System and method for ultra-wideband (UWB) communication transceiver |
Apr. 7, 2009 |
| 7508860 |
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same |
Mar. 24, 2009 |
| 7480236 |
Multipoint-to-point communication using orthgonal frequency division multiplexing and identification codes |
Jan. 20, 2009 |
| 7466741 |
Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system |
Dec. 16, 2008 |
| 7453373 |
Integrated meter module and utility metering system |
Nov. 18, 2008 |
| 7447252 |
Overhead reduction in frequency hopping system for intermittent transmission |
Nov. 4, 2008 |
| 7447251 |
Frequency hopping spread spectrum scheme for RFID reader |
Nov. 4, 2008 |
| 7430232 |
Method and system for broadcasting a programme |
Sep. 30, 2008 |
| 7426177 |
Round trip delay adjustment in multipoint-to-point communication using orthogonal frequency division multiplexing |
Sep. 16, 2008 |
| 7411994 |
Methods and apparatus for adapting a hop sequence when establishing a communication connection |
Aug. 12, 2008 |
| 7408914 |
Time-hopping systems and techniques for wireless communications |
Aug. 5, 2008 |
| 7391802 |
Modulating signals for coherent and differentially coherent receivers |
Jun. 24, 2008 |
| 7388927 |
M-ary modulation of signals for coherent and differentially coherent receivers |
Jun. 17, 2008 |
| 7386026 |
Method and system for synchronizing and selectively addressing multiple receivers in a wireless, spread spectrum communication system |
Jun. 10, 2008 |
| 7376171 |
Multiuser detection aided multiple access differential M-ary coding applications |
May. 20, 2008 |
| 7359472 |
Method and apparatus for wireless data transmission |
Apr. 15, 2008 |
| 7356094 |
Digital broadcast receiving apparatus |
Apr. 8, 2008 |
| 7342972 |
Timing synchronization using dirty templates in ultra wideband (UWB) communications |
Mar. 11, 2008 |
| 7324582 |
System and method for the directional reception and despreading of direct-sequence spread-spectrum signals |
Jan. 29, 2008 |
| 7318187 |
Outer coding methods for broadcast/multicast content and related apparatus |
Jan. 8, 2008 |
| 7292617 |
Reducing mutual channel interference in frequency-hopping spread spectrum wireless communication systems |
Nov. 6, 2007 |
| 7283579 |
Diversity synchronous connection-oriented audio communication modes |
Oct. 16, 2007 |
| 7269199 |
Apparatus and method employing dynamic hop sequence adjustment in FHSS networks |
Sep. 11, 2007 |
| 7248566 |
Wireless network with transmission control in a half-duplex voice conference mode |
Jul. 24, 2007 |
| 7245649 |
Methods and apparatus for adapting a hop sequence when establishing a communication connection |
Jul. 17, 2007 |
| 7239657 |
Interference protection |
Jul. 3, 2007 |
| 7236511 |
Structured adaptive frequency hopping |
Jun. 26, 2007 |
| 7187730 |
Method and apparatus for predicting CCK subsymbols |
Mar. 6, 2007 |
| 7184459 |
Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system |
Feb. 27, 2007 |
| 7164704 |
Beam forming for transmit using bluetooth modified hopping sequences (BFTBMH) |
Jan. 16, 2007 |
| 7145934 |
Multichannel signal transmission and reception for bluetooth systems |
Dec. 5, 2006 |
| 7142582 |
Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas |
Nov. 28, 2006 |
| 7142581 |
Methods and systems for selective frequency hopping in multiple mode communication systems |
Nov. 28, 2006 |
| 7123643 |
Communication connection set up method using predicted ID packet receiving processing start time |
Oct. 17, 2006 |
| 7116699 |
Frequency re-mapping for structure adaptive frequency hopping |
Oct. 3, 2006 |
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