Wireless communication unit, access point and method for providing a presence service in a wireless communication system
US9913203B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2015 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Jun 18, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/105
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A presence service can be provided by an access point 101 serving a small cell 100 by rejecting a request for registration from a user equipment 103 after acquiring its IMSI and sending the IMSI to a presence database 105. The user equipment determines if the cell is a presence cell by comparing the cell's location area code (LAC) with LACs stored in a list and looking for a match. It the cell is a presence cell then the user equipment, rather than placing the LAC in a forbidden list, re-tries registration again but only after a pre-set time period of 5-10 minutes has elapsed. This has the advantage that a presence service can be notified of subscribers who linger in a particular area or return to that area at regular intervals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.