CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
632Patents
624Active
632Granted
61Portfolio score
Filing activity: Feb 11, 2002 → Apr 12, 2019 · 102 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9900899B2 | Dynamic spectrum allocation method and dynamic spectrum allocation device | Electricity | 236 | Active |
| US6639551B2 | Method of interference cancellation based on smart antenna | Electricity | 92 | Expired |
| US8811433B2 | Method, system and device for uplink synchronization | Electricity | 84 | Active |
| US9713104B2 | Method and apparatus for reporting power headroom in carrier aggregation scenario | Electricity | 39 | Active |
| US9838990B2 | Method, apparatus and system for uplink synchronization | Electricity | 32 | Active |
| US7130365B2 | Baseband processing method based on smart antenna and interference cancellation | Electricity | 30 | Expired |
| US8379566B2 | Synchronization method and synchronization apparatus of communication system | Electricity | 27 | Active |
| US8472409B2 | Distributed antenna system and its data transmission method and central controller | Electricity | 26 | Active |
| US8842649B2 | Remote radio data transmission over Ethernet | Electricity | 24 | Active |
| US7962176B2 | Base station system | Electricity | 21 | Active |
| US8418015B2 | Method, apparatus and system for coding and decoding of LDPC codes | Electricity | 20 | Active |
| US6600445B2 | Method and device for calibrating smart antenna array | Electricity | 20 | Expired |
| US6738016B2 | Method for improving smart antenna array coverage | Electricity | 19 | Expired |
| US8472465B2 | Method and an apparatus for determining the radio frame structure of time division duplex system | Electricity | 18 | Active |
| US9331819B2 | Method for implementing HARQ feedback, and method and device for allocating uplink subframe | Electricity | 17 | Active |
| US8660052B2 | Method, base station and user equipment for transmitting and acquiring control information in broadcast multicast system | Electricity | 16 | Active |
| US9736714B2 | Method, system, and device for power headroom reporting and sub-frame scheduling | Electricity | 15 | Active |
| US9515782B2 | HARQ feedback implementation method and device | Electricity | 14 | Active |
| US8804618B2 | Method and apparatus for determining the configuration mode of special subframe and the usage mode of time-domain resource | Electricity | 14 | Active |
| US8855068B2 | Method and system for coordinated transmission and a mobile terminal and network side device | Electricity | 13 | Active |
| US8427997B2 | Access method and apparatus of multimedia broadcast multicast service on dedicated carrier | Electricity | 13 | Active |
| US10841838B2 | Communication method and device | Electricity | 12 | Active |
| US9497011B2 | Carrier aggregation feedback method, device and system for different TDD uplink/downlink configurations | Electricity | 12 | Active |
| US8837371B2 | Method of and apparatus for mapping to demodulation reference signal port | Electricity | 11 | Active |
| US9800381B2 | Method, apparatus and system for configuring demodulation reference signal | Electricity | 11 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.