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Browse by Category: Main > Communications
Class Information
Number: 370/295
Name: Multiplex communications > Duplex > Frequency division
Description: Subject matter wherein simultaneous transmission and reception between communicating stations occur in separate portions of the frequency spectrum of the transmission medium.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7590168 Low complexity high-speed communications transceiver Sep. 15, 2009
7586891 Communication network optimization tool Sep. 8, 2009
7583619 Wireless access communications network Sep. 1, 2009
7583629 Referencing of downlink channels in wireless communication system Sep. 1, 2009
7580379 Technique for dynamic bin allocation Aug. 25, 2009
7545759 High-frequency switching module and its control method Jun. 9, 2009
7532911 Random beamforming method for a MIMO system May. 12, 2009
7502596 Mobile communication systems Mar. 10, 2009
7493389 Methods and apparatus for redirecting network cache traffic Feb. 17, 2009
7486655 MIMO-OFDM system and pre-coding and feedback method therein Feb. 3, 2009
7474609 Frequency-division multiplexing transceive apparatus and method Jan. 6, 2009
7471745 Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system Dec. 30, 2008
7453895 Outlet with analog signal adapter, a method for use thereof and a network using said outlet Nov. 18, 2008
7450653 Digital broadcast signal receiving apparatus and method Nov. 11, 2008
7447251 Frequency hopping spread spectrum scheme for RFID reader Nov. 4, 2008
7443810 Wireless terminals Oct. 28, 2008
7440423 Channel specification apparatus, systems, and methods Oct. 21, 2008
7436842 Outlet with analog signal adapter, a method for use thereof and a network using said outlet Oct. 14, 2008
7376094 Pattern forming method and device for an adaptive antenna array of a base station May. 20, 2008
7349484 Adjustable dual-band link Mar. 25, 2008
7339926 System and method for wireless communication in a frequency division duplexing region Mar. 4, 2008
7333446 Split-band, filter duplexer assembly, and associated method Feb. 19, 2008
7328145 Method and system for emulation of an internetwork operating system device Feb. 5, 2008
7272109 Modified OFDM subcarrier profile Sep. 18, 2007
7254331 System and method for multiple bit optical data transmission in memory systems Aug. 7, 2007
7236464 Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme Jun. 26, 2007
7177288 Simultaneous transmission and reception of signals in different frequency bands over a bus line Feb. 13, 2007
7103087 Frequency hopping spread spectrum scheme for RFID reader Sep. 5, 2006
7054778 Method and device for processing analogue output signals from capacitive sensors May. 30, 2006
7027525 Digital transmission method for bandwidth and bit rate flexibility Apr. 11, 2006
7020101 Method of implementing a repeater, and a transceiver unit Mar. 28, 2006
6985451 Method and apparatus for baseband transmission between a top floor unit and an outdoor unit in a terminal for a wireless metropolitan area network Jan. 10, 2006
6975640 Method and apparatus for transport of control information over a data link Dec. 13, 2005
6967934 Radio interface for a small wireless installation in the 2.4 GHZ ISM band Nov. 22, 2005
6965590 Dynamic slave selection in frequency hopping wireless communications Nov. 15, 2005
6963544 System for statistically multiplexing real-time and non-real-time voice and data traffic in a wireless system Nov. 8, 2005
6928109 Method and apparatus for converting between byte lengths and burdened burst lengths in a broadband communication system Aug. 9, 2005
6813280 Method for connection establishment in a radio system relaying packet-switched traffic Nov. 2, 2004
6801791 Cellular communications system and related methods Oct. 5, 2004
6771591 Method and system for processing orthogonal frequency division multiplexed signals Aug. 3, 2004
6751313 Method and apparatus for an improved echo canceller Jun. 15, 2004
6748173 Optical transmission system and optical transmission apparatus used therefor Jun. 8, 2004
6731611 Method for duplex data transmission with QAM and demodulator for use in the method May. 4, 2004
6728294 Radio communication system Apr. 27, 2004
6650617 Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system Nov. 18, 2003
6611507 System and method for effecting information transmission and soft handoff between frequency division duplex and time division duplex communications systems Aug. 26, 2003
6556538 Integration of a centralized network restoration system with a distributed network restoration system Apr. 29, 2003
6549520 Method and apparatus for varying power levels in a multicarrier modem Apr. 15, 2003
6539002 Process for transmitting data Mar. 25, 2003
6519291 Reduction of interference in discrete multi-tone (DMT) based communications systems Feb. 11, 2003

1 2 3


 
 
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