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Class Information
Number: 370/279
Name: Multiplex communications > Duplex > Communication over free space > Duplex repeaters
Description: Subject matter including circuitry for compensating attenuation losses of duplex signals or for increasing the communication range for extension terminal equipment at either end of a duplex transmission line.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7778598 Asymmetric cooperation in downlink cellular networks with relay stations Aug. 17, 2010
7769380 Method for reducing the rate of registration in CDMA-based mobile networks Aug. 3, 2010
7764633 Method and apparatuses for managing two-way alternate communication in semi-duplex mode through a packet switching transport network Jul. 27, 2010
7746804 Message control protocol in a communications network having repeaters Jun. 29, 2010
7733813 Apparatus and method for canceling interference in relay station in a communication system Jun. 8, 2010
7715336 Method of operation for a three-dimensional, wireless network May. 11, 2010
7697918 Broadcast apparatus for closed space Apr. 13, 2010
7676194 Broadband repeater with security for ultrawideband technologies Mar. 9, 2010
7636328 Efficient transmission of signaling using channel constraints Dec. 22, 2009
7633916 System and method for providing data to a wireless communication device Dec. 15, 2009
7613471 Method of providing SMS callback Nov. 3, 2009
7606182 Cooperative relay transmission method for a wireless communication system Oct. 20, 2009
7583619 Wireless access communications network Sep. 1, 2009
7577399 Method and communication station for transmitting data Aug. 18, 2009
7554932 Message control protocol in a communications network having repeaters Jun. 30, 2009
7525939 Communication system and method using a relay node Apr. 28, 2009
7522543 High-speed communications network tap with zero delay Apr. 21, 2009
7508834 Wireless link for power line communications system Mar. 24, 2009
7486630 Module for distributed network repeater Feb. 3, 2009
7486934 Service area determination method for determining whether a mobile terminal is in the service area of a repeater or in the service area of a radio base station Feb. 3, 2009
7454167 Apparatus and method for echo cancellation in a wireless repeater using cross-polarized antenna elements Nov. 18, 2008
7415242 Method and system for proximity detection for an in-building wireless repeater Aug. 19, 2008
7373155 Method for positioning mobile station and repeater thereof May. 13, 2008
7355993 Method and apparatus for forward link gain control in a power controlled repeater Apr. 8, 2008
7339902 Repeater for performing auto-negotiation between two node devices in a network Mar. 4, 2008
7310497 Radio communication repeater Dec. 18, 2007
7295806 Using directional antennas to enhance wireless mesh networks Nov. 13, 2007
7177643 Wireless network for routing a signal without using a tower Feb. 13, 2007
7154866 Message control protocol in a communications network having repeaters Dec. 26, 2006
7123648 Radio relay apparatus Oct. 17, 2006
7096042 System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions Aug. 22, 2006
7092434 Mobile station used as a repeater station when communicating with a base station Aug. 15, 2006
7046697 Fast ethernet multiport repeater May. 16, 2006
7031658 System and method for single radio retransmission using a half duplex radio Apr. 18, 2006
7026949 Method for transmitting and receiving messages in home appliance networking system Apr. 11, 2006
6987989 Base station apparatus provided with array antennas Jan. 17, 2006
6940868 Digital serial communications hub Sep. 6, 2005
6904266 Wireless enhancer using a switch matrix Jun. 7, 2005
6842617 Wireless communication device with multiple external communication links Jan. 11, 2005
6704296 Optimized MII for 802.3u (100 BASE-T) fast ethernet PHYs Mar. 9, 2004
6600727 Distributed network repeater system Jul. 29, 2003
6313663 Full swing voltage input/full swing output bi-directional repeaters for high resistance or high capacitance bi-directional signal lines and methods therefor Nov. 6, 2001
6181681 Local area network media access controller layer bridge Jan. 30, 2001
6172965 Duplex transmission scheme Jan. 9, 2001
6169746 Signal transmission system for high speed serial bus Jan. 2, 2001
6169801 Digital isolation apparatus and method Jan. 2, 2001
6147978 Method and apparatus for preventing message collisions in a half-duplex communication system Nov. 14, 2000
6031825 Infrared audio link in mobile phone Feb. 29, 2000
5978371 Communications module base repeater Nov. 2, 1999
5923670 Multi-port type universal asynchronous receiver/ transmitter system using time division system Jul. 13, 1999

1 2 3 4

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