Cell timing distribution mechanism
US7447524B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 4, 2005 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Oct 21, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system of cell timing distribution which greatly reduces the bus bandwidth required for transmission of cell timing information in a WCDMA base station. The system of the present invention comprises a timing control unit connected to several communication cells through transmission lines. Each communication cell comprises a timing generator which determines a local timing (sfn) according to a frame boundary signal and a timing difference (t_cell) parameter received from the timing control unit. The frame boundary signal indicates the starting boundary of the central base station (nodeB) timing, whereas the t_cell parameter represents the offset between the local cell timing and the nodeB timing. The timing generator is implemented using a finite state machine and a counter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.