Method and system for communication backward compatibility
US7324586B2 · kind B2 · utility
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3References
37Claims
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Key dates
| Filing date | Jan 21, 2002 |
| Grant date | Jan 29, 2008 |
| Priority date | — |
| Expiry date | Jul 30, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/406
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Communications method including the procedures of modulating a second generation carrier signal, with a first generation Baseband bandwidth signal, when transmitting to first generation devices, and, modulating the second generation carrier signal, with a second generation Baseband bandwidth signal, when transmitting to second generation devices, wherein the frequency of the second generation carrier signal, is an integer multiple of the first generation Baseband bandwidths, away from a first generation carrier signal frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.