Cell selection in a packet radio network
US6751472B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 12, 2001 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Jan 12, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method controls the operation of a mobile station, the operation including camping which modellable as a number of states (S1 to 4) with predetermined state transitions (S12-S34) between them. Each one of the states corresponds to a set of locally varying features which the mobile station currently supports. The features include a first feature indicating whether the mobile station is in circuit-switched mode or packet switched mode, and a second feature indicating whether or not the mobile station is in localized service area (LSA) model. For all combinations of the first and second features there is a corresponding state (S1 to S4), and for each one of these states there are two originating state transitions and two terminating state transitions, each one of the originating state transitions corresponding to a change in the respective feature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.