Method of supporting seamless hand-off in a mobile telecommunications network
US6987743B2 · kind B2 · utility
42Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2001 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Oct 25, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/182
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
To deliver packets to the MAC of a roaming mobile in a seamless manner, a proxy ARP is set up, in addition to the usual ARP, and is informed of the COA and MAC address of the mobile. The proxy ARP then informs the last routing switch in the foreign network of the MAC address of the mobile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.