Communications systems and methods
US7580643B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2005 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | Jun 27, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/40
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
This invention relates to systems and methods for wireless and wired optical data communications, in particular infrared data communications using techniques borrowed ultra wideband (UWB) radio.An optical data communications receiver for receiving data encoded using optical pulse position, the receiver comprising: an optical signal reception device; a reference signal memory for storing a reference channel response signal; and a correlator coupled to said reference signal memory and to said optical signal reception device for correlating a received optical pulse with said stored reference channel response signal to determine said optical pulse position; an output coupled to said correlator to provide pulse position data for said received optical pulse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.