Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection
US7512395B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2006 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Jun 3, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D5/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
This disclosure addresses providing gigabit-rate data transmission over wireless radio links, using carrier frequencies in the millimeter-wave range (>30 GHz). More specifically, a circuit for detection of amplitude-shift keyed (ASK) or other amplitude modulations (AM) which can be easily incorporated into an integrated circuit receiver system is described, making the receiver capable of supporting both complex IQ modulation schemes and simpler, non-coherent on-off or multiple-level keying signals. Several novel radio architectures are also described which, with the addition of a frequency discriminator network, have the capability of handling frequency shift keyed (FSK) or other frequency modulations (FM), as well as AM and complex IQ modulation schemes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.