Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9800374 | Methods and devices for reporting and issuing frequency band extension capability | He Huang, Zhifeng Ma, Zijiang Ma, Hongjun Liu | 2017-10-24 |
| 9638804 | Method for transmitting pseudolite system messages, pseudolite positioning system and associated device | Xinxi Diao, Zhifeng Ma, Linhui Wei, Qun Li | 2017-05-02 |