Facilitating proximity services
US9232393B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2012 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | May 18, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/63
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
There is provided a method, comprising: establishing, by a first network node, a communication connection to at least one advertising device located in a geographically limited service area; establishing a communication connection to at least one advertisement-receiving device; generating at least one security key for encrypting and decrypting at least part of the data which is to be transmitted in D2D communication links, wherein each security key is valid for a predetermined validity period, and common to those at least one advertising device and at least one advertisement-receiving device within the service area which fulfill predetermined criteria; causing transmission of information indicating the generated at least one security key to those at least one advertising device which fulfill the predetermined criteria; and causing transmission of information indicating at least one of the generated at least one security key to those at least one advertisement-receiving device which fulfill the predetermined criteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.