Fully parallel multi-channel demodulator
US7388932B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2002 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Oct 2, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/03006
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An improved multi-channel demodulator is provided. The improved demodulator includes an automatic gain control, a data buffer and a demodulation engine. Data from various RF channels are processed by the automatic gain control in order to keep the data at their respective constant levels. Output from the automatic gain control is passed to the data buffer for storage. Corresponding data from a selected channel is then processed by the demodulation engine. The improved demodulator is able to operate in any one of three operating modes, namely, a data processing mode, a channel switching mode and a waiting mode. In the data processing mode, the demodulation engine processes the channel data that is currently loaded into the demodulation engine. In the channel switching mode, the demodulation engine stores the current channel data into the data buffer and retrieves and loads channel data from another channel for processing. In addition, status and history information relating to the current channel data is stored into a channel status memory and status and history information relating to the next channel to be processed is retrieved from the channel status memory. In one exemplary asp…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.