Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8755685 | Joint switching method for an aggregation node, aggregation node and system | Chenghu Shen | 2014-06-17 |
| 8724500 | Method, apparatus, and system of duplicate address detection proxy | Dujuan Gu, Hongyu Li, Yizhou Li | 2014-05-13 |
| 8699490 | Data transmission method, network node, and data transmission system | Zhongjian Zhang, Hongyu Li | 2014-04-15 |
| 8665888 | Optical line terminal, method and system for packet transmission in optical communication system | Hongyu Li | 2014-03-04 |
| 8660430 | Method and a system for optimizing radio network layer to implement the network interconnection, and a method for interconnection between the radio network and the wired network | — | 2014-02-25 |
| 8649292 | Method, apparatus and system for virtual network configuration and partition handover | — | 2014-02-11 |
| 8630285 | Method, system, and apparatus for transmitting IPV6 message in passive optical network | — | 2014-01-14 |
| 8594103 | Network access method, authentication method, communications systems and relevant devices | — | 2013-11-26 |
| 8570874 | Method, system and optical network device for synchronizing time of a passive optical network | — | 2013-10-29 |
| 8565597 | Label switching method, apparatus and system | — | 2013-10-22 |
| 8559816 | Extender box, data transmission method and passive optical network system | — | 2013-10-15 |
| 8539088 | Session monitoring method, apparatus, and system based on multicast technologies | — | 2013-09-17 |
| 8515276 | Method, device and system for optical network switching protection | — | 2013-08-20 |
| 8488966 | Data transmission method of optical access network, and system and device thereof | — | 2013-07-16 |
| 8467683 | Mapping method, apparatus, and system for data transmission | — | 2013-06-18 |
| 8428456 | Passive optical network protection method, switchover control device, and passive optical network protection system | — | 2013-04-23 |
| 8351792 | System and communication method for interconnecting optical network and radio communication network | — | 2013-01-08 |
| 8331245 | Method and system for IP session keepalive monitoring, home gateway and network device | — | 2012-12-11 |
| 8285142 | Aggregation node device of passive optical network and passive optical network system | — | 2012-10-09 |
| 8260888 | Address configuration method, apparatus and system | — | 2012-09-04 |
| 8250646 | Method, system, and device for filtering packets | — | 2012-08-21 |
| 8243662 | Method, system and apparatus for implementing bandwidth allocation based on a relay station | — | 2012-08-14 |
| 8223648 | Method and apparatus for synchronizing time in a passive optical network | — | 2012-07-17 |
| 8218469 | Wireless relay communication system and method | — | 2012-07-10 |
| 8208810 | Method, apparatus and system for bearing IP packets over passive optical network | — | 2012-06-26 |