CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 36442
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 194123
 
  
 
H04B TRANSMISSION 109109
 
  
 
H04J MULTIPLEX COMMUNICATION 4184
 
  
 
H04M TELEPHONIC COMMUNICATION 11152
 
  
 
H04H BROADCAST COMMUNICATION 1045
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES6103
 
  
 
H01Q AERIALS 5105
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 346
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0049,111 COMMUNICATION SYSTEM, COMMUNICATION NETWORK, COMMUNICATION DEVICE AND COMMUNICATION METHODFeb 15, 16Feb 15, 18[H04W]
2018/0041,314 DATA TRANSMISSION METHOD, FEEDBACK INFORMATION TRANSMISSION METHOD, AND RELATED DEVICEFeb 29, 16Feb 08, 18[H04L, H04W]
2018/0041,922 AIR-INTERFACE PROTOCOL STACK CONFIGURATION METHOD, DATA TRANSMISSION METHOD, AIR-INTERFACE PROTOCOL STACK CONFIGURATION DEVICE, AND DATA TRANSMISSION DEVICEFeb 03, 16Feb 08, 18[H04W]
2018/0035,328 METHOD AND DEVICE FOR DATA TRANSMISSIONDec 22, 16Feb 01, 18[H04L, H04W]
2018/0013,471 METHOD AND DEVICE FOR DETERMINING CODEBOOKJan 25, 16Jan 11, 18[H04B]
2017/0339,568 DRB MAPPING METHOD AND APPARATUSOct 29, 15Nov 23, 17[H04W]
2017/0339,722 METHOD AND DEVICE FOR TRANSMITTING DOWNLINK DATAOct 12, 15Nov 23, 17[H04W]
2017/0332,265 MOBILE COMMUNICATION METHOD, DEVICE AND SYSTEMNov 18, 15Nov 16, 17[H04W]
2017/0311,339 DATA TRANSMISSION METHOD AND APPARATUSOct 09, 15Oct 26, 17[H04W]
2017/0294,989 METHOD AND DEVICE FOR DATA TRANSMISSIONAug 14, 15Oct 12, 17[H04L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9924430 Heterogeneous network switching method, device and systemJan 07, 14Mar 20, 18[H04W]
9918281 Physical uplink shared channel power control method and apparatus that carry out power control in accordance with adjacent cell interferenceJun 27, 14Mar 13, 18[H04W]
9918285 Method and user equipment of uplink power controlMar 06, 13Mar 13, 18[H04W]
9912398 Transmission method, detection method and equipment for control channels of a relay systemSep 29, 10Mar 06, 18[H04L, H04B, H04W]
9900899 Dynamic spectrum allocation method and dynamic spectrum allocation deviceMar 26, 14Feb 20, 18[H04L, H04W]
9893860 Method and device for transmitting control informationJul 03, 12Feb 13, 18[H04L, H04B, H04W]
9893861 Method for determining and indicating transmission resource, terminal and base stationAug 13, 14Feb 13, 18[H04L, H04W]
9894542 Method, system and device for delivering minimization of drive-tests measurement configuration parametersMar 29, 12Feb 13, 18[H04W]
9894672 Method and access network device for interference coordinationDec 30, 09Feb 13, 18[H04W]
9886763 Visual navigation method, visual navigation device and robotFeb 06, 15Feb 06, 18[G06T, G06K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0044,555 METHOD AND APPARATUS FOR DETERMINING NETWORK SWITCHINGAbandonedMar 31, 14Feb 11, 16[H04W]
2015/0264,631 LOCAL BEARER MANAGEMENT METHOD AND DEVICEAbandonedSep 13, 13Sep 17, 15[H04W]
2015/0117,346 METHOD AND DEVICE FOR DETERMINING UPLINK CONTROL CHANNELAbandonedMar 18, 13Apr 30, 15[H04W]
2015/0071,143 METHOD AND APPARATUS FOR MANAGING PDN CONNECTIONAbandonedJul 24, 12Mar 12, 15[H04W]
2015/0071,187 CHANNEL STATE INFORMATION FEEDBACK INSTRUCTION, FEEDBACK METHOD AND DEVICEAbandonedAug 01, 12Mar 12, 15[H04B, H04W]
2015/0055,494 Method and Apparatus for Notifying Congestion Related InformationAbandonedSep 13, 12Feb 26, 15[H04L, H04W]
2014/0369,436 PRECODING MATRIX INDICATOR (PMI) INFORMATION TRANSMISSION METHOD AND DEVICEAbandonedJun 29, 12Dec 18, 14[H04B]
2014/0328,226 DATA TRANSMISSION METHOD AND DEVICEAbandonedAug 29, 12Nov 06, 14[H04L]
2014/0307,691 INFORMATION TRANSMISSION METHOD, SYSTEM, AND DEVICEAbandonedSep 21, 12Oct 16, 14[H04L]
2014/0293,859 CELL RESELECTION METHOD AND DEVICEAbandonedApr 06, 12Oct 02, 14[H04L, H04W]
2014/0286,297 METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK CONTROL INFORMATIONAbandonedSep 06, 12Sep 25, 14[H04L, H04W]
2014/0233,538 METHOD AND DEVICE FOR DATA TRANSMISSIONAbandonedAug 17, 12Aug 21, 14[H04W]
2014/0051,442 METHOD AND DEVICE FOR TRIGGERING HANDOVER AND TRANSFERRING MOBILITY MANAGEMENT ENTITY POOL IDENTIFICATION INFORMATIONAbandonedFeb 29, 12Feb 20, 14[H04W]
2014/0022,975 METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK DATAAbandonedJan 05, 12Jan 23, 14[H04W]
2013/0343,319 INDICATION METHOD FOR ACCESSING A CELL, METHOD FOR SELECTING A CELL, AND DEVICEAbandonedDec 30, 11Dec 26, 13[H04W]
2013/0208,675 Method and Device for Reporting and Obtaining Power HeadroomAbandonedAug 05, 11Aug 15, 13[H04W]
2013/0163,687 Method and Device for Processing Codebook Subset RestrictionAbandonedSep 16, 11Jun 27, 13[H04B]
2013/0165,124 CELL DEPLOYMENT METHOD AND DEVICE FOR REPLACING PCELLSAbandonedAug 11, 11Jun 27, 13[H04W]
2013/0100,896 METHOD AND DEVICE FOR TRANSMITTING APERIODIC SOUNDING REFERENCE SIGNAL (SRS)AbandonedMar 10, 11Apr 25, 13[H04W]
2012/0307,777 METHOD, SYSTEM AND DEVICE FOR SCHEDULING NON-CONTENTION BASED RANDOM ACCESS AND TRANSMITTING PREAMBLEAbandonedJan 28, 11Dec 06, 12[H04W]

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