Wireless data network security
US7376384B2 · kind B2 · utility
0Cited by
9References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2003 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Aug 13, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04K2203/34
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Access to a wireless data network to nodes located in a defined operational area is limited by transmitting a network signal within the defined operational area while transmitting a wave that can cause destructive interference with the network signal into a prohibited area adjacent to the defined operational area. The wave that can cause destructive interference is produced by phase and/or amplitude modulating the network signal. The modulation of the network signal includes sweeping the phase and/or amplitude.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.