Methods and systems for secure and efficient flexible frequency hopping access
US9793949B1 · kind B1 · utility
3Cited by
1References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 7, 2016 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Oct 7, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/085
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Secure and efficient methods and systems of providing multiple access interference constraints for frequency hopped spread spectrum communications are presented. The methods and systems leverage a cryptographic keystream generator and iterative indexing into shuffled lists to generate a constrained collision-free frequency hopping sequence. This flexible frequency hopping access (FFHA) can support varying hop frequency and bandwidth resources including secure operation for applications where the number of channels (hopping sequences) exceeds the number of hop frequency resources available.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.