Remote apparatus of distributed antenna systems
US10090941B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2015 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Dec 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B17/17
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A remote apparatus includes: a plurality of sub amplification units amplifying radio frequency (RF) signals of different frequency bands, respectively; a test signal generation unit generating test signals of a frequency band for any one sub amplification unit among the plurality of sub amplification units; a conversion unit converting intermodulation (IM) signals generated in response to the test signals into a plurality of conversion IM signals by using a conversion signal of which a frequency is swept; and a control unit determining a degree of an intermodulation distortion by the any one sub amplification unit based on signal levels of the plurality of the conversion IM signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.