Call set-up on 800 MHz analog voice channel from 1900 MHZ digital control channel
US5878349A · kind A · utility
23Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1996 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | Jul 16, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/10
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a cellular network having a first cluster of base stations serving a first group of mobile stations over digital RF channels and a second cluster of base stations, collocated with said first cluster, for serving a second group of mobile stations over analog RF channels, wherein some of the base stations in the second cluster have cells which overlap with cells of the first cluster, a method is disclosed for setting up a call on an analog voice channel of a base station of the second cluster while a mobile station is being served on a digital control channel of a base station in the first cluster.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.