Demultiplexing apparatus, multiplexing apparatus, and relay apparatus
US9136933B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 22, 2011 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Dec 26, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/155
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A demultiplexing apparatus includes: a demultiplexed-signal selecting and distributing unit configured to apply frequency conversion processing and down-sampling processing to one or more reception signals and output reception signals to a designated output destination; frequency converting and reception low-pass filter units configured to apply frequency conversion processing and low-pass filter processing to reception signals and output reception signals while down-sampling reception signals; selector units configured to switch an input source of a signal output to the frequency converting and reception low-pass filter unit at a next stage; reception-channel filter units configured to subject signals from the frequency converting and reception low-pass filter units to waveform shaping with a desired frequency characteristic and output the signals; and a filter-bank control unit configured to generate, based on channel information estimated from one or more reception signals, a control signal controlling the demultiplexed-signal selecting and distributing unit and the selector units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.