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Class Information
Number: 370/515
Name: Multiplex communications > Communication techniques for information carried in plural channels > Combining or distributing information via time channels > Synchronizing > Using synchronization information contained in a frame > Unique synchronization word or unique bit sequence > Pseudo-random
Description: Subject matter in which a maximal or minimum length binary sequence is utilized for achieving synchronization.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7430263 System and method for timing correction for fast PN acquisition Sep. 30, 2008
7426391 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system Sep. 16, 2008
RE40111 Wireless alarm system Feb. 26, 2008
7289588 Apparatus and method for generating a preamble sequence in an OFDM communication system Oct. 30, 2007
7277458 Apparatus and method for tracking a phase of a pseudo-random noise (PN) sequence of a pilot signal in a mobile terminal Oct. 2, 2007
7239707 Staggered pulse acquisition method and apparatus Jul. 3, 2007
7230910 Optimal channel sounding system Jun. 12, 2007
7227887 Apparatus and method for moving PN hypothesis in high speed searcher Jun. 5, 2007
7224716 Communication methods and apparatus employing spread spectrum techniques and doppler-tolerant polyphase codes May. 29, 2007
7193984 Method for determining a time offset of a CDMA signal Mar. 20, 2007
7190691 Method of controlling timing for uplink synchronous transmission scheme Mar. 13, 2007
7116698 Generator of repetitive sets of spread spectrum sequences Oct. 3, 2006
7061966 Frame synchronization and scrambling code indentification in wireless communications systems and methods therefor Jun. 13, 2006
7054350 Method and system for acquiring pseudo-noise (PN) decade-code phase May. 30, 2006
7050466 Apparatus and method for acquiring multi-user signal synchronization in code division multiple access system May. 23, 2006
7046698 Communicating apparatus and communicating method May. 16, 2006
7012936 Initializing method and data transmitter Mar. 14, 2006
7006556 Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference Feb. 28, 2006
7007106 Protocol and method for multi-chassis configurable time synchronization Feb. 28, 2006
6985728 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system Jan. 10, 2006
6983009 Median weighted tracking for spread-spectrum communications Jan. 3, 2006
6970465 System and method for locating a data frame within a transmitted data stream Nov. 29, 2005
6940933 Apparatus and method for synchronization in a multiple-carrier communications system by observing a phase-frequency relationship of a plurality of pilot signals Sep. 6, 2005
6917644 Spread spectrum receiver with multi-path correction Jul. 12, 2005
6912227 Device and method for acquiring phase of spreading code in CDMA communication system Jun. 28, 2005
6909738 Method in a receiver and a receiver Jun. 21, 2005
6891880 Method and apparatus for performing signal correlation May. 10, 2005
6891857 Multiple wireless communication protocol methods and apparatuses including proactive reduction of interference May. 10, 2005
6885693 Synchronization in digital data transmission systems Apr. 26, 2005
6882663 Method for synchronizing a control channel to a working channel Apr. 19, 2005
6865174 Code division multiple access communication system Mar. 8, 2005
6853678 Synchronizing circuit Feb. 8, 2005
6831942 MPSK spread spectrum communications receiver with carrier recovery and tracking using weighted correlation techniques Dec. 14, 2004
6831929 Multistage PN code aquisition circuit and method Dec. 14, 2004
6798791 Cluster frame synchronization scheme for a satellite digital audio radio system Sep. 28, 2004
6795452 Method of tracking time intervals for a communication signal Sep. 21, 2004
6768734 Device and method for equalizing data delays Jul. 27, 2004
6744809 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system Jun. 1, 2004
6735242 Time tracking loop for pilot aided direct sequence spread spectrum systems May. 11, 2004
6700919 Channel estimation for communication system using weighted estimates based on pilot data and information data Mar. 2, 2004
6643344 Tracking method and configuration for carrying out the method Nov. 4, 2003
6606346 Method and apparatus for computing signal correlation Aug. 12, 2003
6597675 Random access in a mobile telecommunications system Jul. 22, 2003
6587500 Symbol sampling time settlement of a hard decision radio receiver Jul. 1, 2003
6516007 Method for synchronizing reverse link and transmission method using synchronous reverse link Feb. 4, 2003
6512787 Digital impairment learning method and system Jan. 28, 2003
6487252 Wireless communication system and method for synchronization Nov. 26, 2002
6483829 Pilot signal detection and radio communication terminal apparatus Nov. 19, 2002
6483867 Tracking loop realization with adaptive filters Nov. 19, 2002
6445727 Method and apparatus for quick acquisition of pilot signals using bank switching method Sep. 3, 2002

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