Method of handing-off a remote unit based on overhead information start times
US6002678A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Oct 31, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/249
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method of handing-off a remote unit (113) from a first base station (101) to a second base station (102). The remote unit (113) communicates with the first base station (101) and establishes communication with a second base station (102). It is then determined, preferably by the remote unit (113), that the remote unit (113) should hand-off to the second base station (102). An overhead information start time is then determined. The remote unit (102) may determine when the overhead information will be broadcast by the second bast station (102), thereby establishing an overhead information start time. The overhead information start time is the time when overhead information will be transmitted from the second base station (102). The first base station (101) and the second base station (102) may be synchronized to transmit the overhead information at approximately the same time. In this manner, the remote unit (102) can determine the overhead information start time at the second base station (102) by monitoring the overhead information start time at the first base station (101). The remote unit (113) is then handed off to the second base station (102) b…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.