Radio repeater and radio relay transmission method
US7430397B2 · kind B2 · utility
55Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2004 |
| Grant date | Sep 30, 2008 |
| Priority date | — |
| Expiry date | Oct 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/15564
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A radio repeater including at least first and second relay systems, each including a reception antenna configured to receive a radio signal, a loop interference suppressor, connected to the reception antenna, configured to suppress a loop interference signal in the received radio signal from said reception antenna, an amplifier configured to amplify the loop interference-suppressed radio signal from the loop interference suppressors, and a transmission antenna having a polarization characteristic, which is orthogonal to a polarization characteristic of said reception antenna, configured to transmit the output of said amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.