Multiband telecommunication antenna
US6646611B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2002 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Mar 5, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q5/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A three-band antenna is disclosed, intended in particular for cellular telecommunications. The antenna includes radiating elements operating in three frequency bands. UMTS radiating elements are separated by an optimum distance of 0.95×&lgr;m, where &lgr;m represents the average wavelength of the UMTS frequency band. The positioning of the GSM and DCS radiating elements relative to the UMTS radiating elements is fixed so that each radiating element is similarly surrounded by other radiating elements and by partition walls. The structure is periodic along a longitudinal axis. In each module of the structure, a GSM radiating element is placed at the center of a quadrangle, two adjacent vertices of which are each occupied by a DCS radiating element and the other two vertices of which are each occupied by a UMTS radiating element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.