Logical link control protocol LLCP based service discovery method and NFC controller
US10237902B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2015 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Apr 16, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/51
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention disclose a LLCP based service discovery method and an NFC controller. The method includes: after receiving an LLC PDU, determining, by an NFCC according to a type identifier in a packet header of the LLC PDU, whether the LLC PDU is a target LLC PDU, where the target LLC PDU includes a CONNECT PDU sent by a DH or a second NFC device, an SNL PDU sent by the second NFC device, or an AGF PDU sent by the second NFC device; when the LLC PDU is the target LLC PDU, determining, by the NFCC, whether a service discovery procedure needs to be performed; and if the service discovery procedure needs to be performed, performing, by the NFCC, the service discovery procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.