Method of protecting broadcast frame, terminal authenticating broadcast frame, and access point broadcasting broadcast frame
US8270607B2 · kind B2 · utility
10Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2007 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Jun 16, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of protecting a broadcast frame, the method comprising broadcasting a beacon and a maintenance beacon frame (MBF) from an access point (AP) to a plurality of terminals during a maintenance beacon waiting period (MBWP); and broadcasting broadcast management frames (BMFs) from the AP to the plurality of terminals during a broadcast management frame waiting period (BMFWP), wherein the MBF comprises a BMFs message integrity code (MIC) field including a BMFs MIC calculated from concatenated BMFs to be sent in a current beacon interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.