Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10165127 | Charging for usage of radio resources that are shared between MTC traffic and non-MTC traffic | Yigang Cai | 2018-12-25 |
| 10136278 | Offline charging for group communications using multimedia broadcast multicast service (MBMS) delivery | Yigang Cai | 2018-11-20 |
| 10117076 | Destination selection for an offline charging system to avoid reversion | — | 2018-10-30 |
| 10104516 | Dynamic distribution in an offline charging system | — | 2018-10-16 |
| 10080116 | Offline charging for group communications using multimedia broadcast multicast service (MBMS) delivery | Yigang Cai | 2018-09-18 |
| 10063711 | Separate charging for supplemental content in a data flow | Yigang Cai | 2018-08-28 |
| 10003696 | Distributed collaborative offline charging system | Yigang Cai | 2018-06-19 |
| 9992657 | Relay of charging information for proximity services | Yigang Cai | 2018-06-05 |
| 9942415 | Telecommunication offline charging system | — | 2018-04-10 |
| 9883052 | Systems and methods for avoiding double accounting upon session failover | Yigang Cai | 2018-01-30 |