Method and system of admission control for wireless train communication system
US9131497B1 · kind B1 · utility
2Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2012 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Dec 31, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/51
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for admission control in a wireless train communication system with TDMA are disclosed. The method and apparatus according to one embodiment of the present invention identifies neighboring devices within neighborhood of a given device that use the time slot. The frequency and location information for the intended device and the unintended devices are used to determine whether to grant the time slot. In another embodiment according to the present invention, the receive signal strength information at the neighboring devices is used, instead of the distance information, for admission control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.