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Class Information
Number: 370/509
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
Description: Subject matter in which the synchronization is performed on a cycle of a recurring number of data bits (frame) rather than on the individual channels or bits in the frame.

Sub-classes under this class:

Class Number Class Name Patents
370/510 Synchronization information is distributed over multiple frames 407
370/512 Synchronization information is distributed within a frame 320
370/514 Unique synchronization word or unique bit sequence 540

Patents under this class:

Patent Number Title Of Patent Date Issued
8711990 Frame syncrhonization in orthogonal frequency-division multiplexing systems Apr. 29, 2014
8711886 Transmitting a synchronizing signal in a packet network Apr. 29, 2014
8711885 Signal processing apparatus and methods Apr. 29, 2014
8707077 Method and apparatus for time synchronisation in wireless networks Apr. 22, 2014
8705942 Methods and systems for processing digital data rate and directional playback changes Apr. 22, 2014
8705656 Transmission and reception apparatus and method Apr. 22, 2014
8705606 Methods and circuits for adaptive equalization Apr. 22, 2014
8705578 Method and system for implementing time synchronization in local area network (LAN) Apr. 22, 2014
8693524 Synchronization method for impulse system ultra-wideband Apr. 8, 2014
8693507 Apparatus, systems, methods and computer program products for producing a single frequency network for ATSC mobile / handheld services Apr. 8, 2014
8693460 Technique for synchronizing a terminal device with a wireless network Apr. 8, 2014
8688112 Neighboring cell search for mobile communication systems Apr. 1, 2014
8687658 High data rate interface with improved link synchronization Apr. 1, 2014
8687656 Method and system for providing faster channel switching in a digital broadcast system Apr. 1, 2014
8675691 Added information insertion apparatus and method in broadcasting system Mar. 18, 2014
8675690 Low latency and self-adjusting frame synchronization algorithm for data streaming applications Mar. 18, 2014
8675689 Method of time synchronization of free running nodes in an avionics network Mar. 18, 2014
8675688 Apparatus and method of transmitting and receiving wake-up signal Mar. 18, 2014
8670467 Network synchronized time base timer Mar. 11, 2014
8670466 System and method for residence time calculation Mar. 11, 2014
8660152 Multi-frame network clock synchronization Feb. 25, 2014
8660146 Telecom multiplexer for variable rate composite bit stream Feb. 25, 2014
8660072 Methods and apparatus for improved reference signal correlation characteristics Feb. 25, 2014
8654915 Control signal receiver and communication device having the same Feb. 18, 2014
8654849 Integrated transcoding Feb. 18, 2014
8654818 Transmitter device, receiver device, and communication system Feb. 18, 2014
8654798 Barrier synchronization apparatus, barrier synchronization system, and barrier synchronization method Feb. 18, 2014
8649454 Receiving apparatus that receives packet signal in which a known signal is placed in the beginning of packet signal Feb. 11, 2014
8649416 Signal processing apparatus, information processing apparatus, signal processing method, data display method, and program Feb. 11, 2014
8644363 Apparatus and method for estimating channel in MIMO system based OFDM/OFDMA Feb. 4, 2014
8644352 System and method for accurate time sampling in presence of output delay Feb. 4, 2014
8644351 Node device Feb. 4, 2014
8644350 Packet-based timing measurement Feb. 4, 2014
8644250 Maintaining communication between mobile terminal and network in mobile communication system Feb. 4, 2014
8640033 Unified user experience using contextual information, data attributes and data models Jan. 28, 2014
8638895 Extension of Ethernet PHY to channels with bridged tap wires Jan. 28, 2014
8638823 Sending apparatus, receiving apparatus, and transmission system Jan. 28, 2014
8634506 Frequency calibration circuit for automatically calibrating frequency and method thereof Jan. 21, 2014
8630315 Ethernet network synchronization systems and methods Jan. 14, 2014
8626869 Communication apparatus, communication system, and communication method Jan. 7, 2014
8619821 System, apparatus, and method for time-division multiplexed communication Dec. 31, 2013
8619789 Timing re-synchronization with reduced communication energy in frequency hopping communication networks Dec. 31, 2013
8619786 Facilitating distributed channel access for transmissions in a wireless communication environment Dec. 31, 2013
8619673 Preamble partition and cell identification procedure in wireless communication systems Dec. 31, 2013
8619581 Method, apparatus and system for selecting wireless network controller Dec. 31, 2013
8615032 Process for sub-microsecond time transfer using weak GPS/GNSS signals Dec. 24, 2013
8605847 Receiver training with cycle slip detection and correction Dec. 10, 2013
8601345 Method and apparatus for searching frame alignment with false alignment protection Dec. 3, 2013
8599881 Redundant communication timing for remote nodes Dec. 3, 2013
8599826 Method for synchronizing direct mode time division multiple access (TDMA) transmissions Dec. 3, 2013

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