Pilot tone system and method to allow continuous synchronization in multipoint networks
US6236675A · kind A · utility
11Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1997 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Sep 25, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L7/033
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An improvement to a half duplex multipoint communication environment wherein a pilot tone enables a control modem to maintain synchronization with a plurality of remote modems. By employing a VCXO in a remote modem, a low jitter timing pulse is generated thus allowing a control modem to maintain synchronization with a plurality of remote modems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.