Mobile radio communications system with improved handover facility
US6175735A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 21, 1996 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Oct 21, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/324
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The mobile radio communication system includes a plurality of base stations and call hand over units controlling which of the base stations services a call from a mobile station. When deciding whether to hand over a call from a first base station to a second base station, both serving microcells, the call hand over units hand the call over to a third base station, serving a macrocell, based on a duration of the call regardless of changes in radio coverage of the second base station. Also, the hand over units decide whether to hand over a call from a macrocell base station to a microcell base station based on a length of time the mobile station has been within a coverage area of the microcell base station regardless of changes in radio coverage of the microcell base station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.