Method and system for distribution of wireless digital multimedia signals in a cellular pattern
US5878324A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1995 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | Dec 8, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/002
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system (200) and method (300) provide an efficient communication system for distributing digital multimedia/HDTV signals to multimedia units in a cellular pattern. The method includes: 1) using at least a first primary wide area-antenna for, where selected, transmitting a digital multimedia/HDTV signal per frequency allocation over at least a portion of a predetermined reception area, wherein a plurality of patterns of cells tesselates the predetermined reception area; and 2) using cell-site antennas having transmitters, each located in a cell, for, where selected, transmitting, when the primary wide area-antenna is deselected, at least a first preselected digital multimedia/HDTV signal over an area of the cell, for providing the HDTV signal to a plurality of digital receivers in accordance with a predetermined scheme, wherein the digital multimedia/HDTV signal is associated with a predetermined frequency allocation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.