Multiple cavity tuning of a transmitter output in a communication system
US5263047A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Jul 2, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/71362
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A base-site (304) combines baseband frequency hopping and fast-synthesizer hopping to produce an economical frequency hopping communication system (300). The base-site (304) combines the fast-synthesizer frequency hopping capability of transmitters (307-309) with baseband frequency hopping to produce a frequency hopping communication system (300) which serves the same number of subscribers served by transmitters (208-213) in a purely baseband hopping communication system (200), but with fewer transmitters (307-309). The implementation of frequency-selective cavities (312-317) having very low loss eliminates the need for wideband hybrid combiners (112-114), which in turn eliminates transmitted-signal power loss experienced in a purely fast-synthesizer frequency hopping communication system (100).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.