公开(公告)号：WO0101582A3

公开(公告)日：2001-08-23

申请号：PCT/IB0001639

申请日：2000-04-28

Applicant: ERICSSON TELEFON AB L M

Inventor： JOHANNISON BJORN ,  HAGERMAN BO ,  OSTMAN THOMAS ,  MONELL GUNNAR

IPC: H01Q1/24 ,  H01Q1/52 ,  H01Q3/24 ,  H01Q3/26 ,  H01Q21/28 ,  H01Q25/00 ,  H04B7/04 ,  H01Q1/42 ,  H04Q7/36

CPC classification number: H01Q3/24 ,  H01Q1/246 ,  H01Q1/521 ,  H01Q3/26 ,  H01Q21/28 ,  H01Q25/002 ,  H04B7/0491

Abstract: The physical space available to install both a sector antenna and an adaptive, phased-array antenna at a cellular radio telecommunications base station may be significantly reduced, and the costs associated with manufacturing, installing and maintaining both a sector antenna and an adaptive, phased-array antenna may be appreciably reduced by incorporating the sector antenna and the phased-array antenna into a single antenna cartridge. In so doing, both the sector antenna and the adaptive, phased-array antenna may be supported by a single radio transceiver unit.

公开(公告)号：AU1317801A

公开(公告)日：2001-05-08

申请号：AU1317801

申请日：2000-10-20

Applicant: ERICSSON TELEFON AB L M

Inventor： DERNERYD ANDERS ,  JOHANNISON BJORN ,  JOHANSSON MARTIN

IPC: H01Q1/38 ,  H01Q9/04

Abstract: A dual-polarized antenna (10) with good isolation between feed ports (13a, 13b) and high similarity with respect to the radiation patterns is provided. An antenna (10) includes a patch (11), four symmetrically arranged feed structures (12a-12d, 15), two feed ports (13, 13b) and a feed network (14). Radiation pattern similarity is obtained by the pair-wise symmetrical, orthogonal layout of the feed structures (12a-12d, 15). Good isolation between feed ports (13a, 13b) is achieved through a feed network (14) divided into two network parts (14a, 14b) where each network part (14a, 14b) is designed so that each coupling between a network part (14a, 14b) and a feed structure (12a12d, 15) belonging to the other polarization is cancelled by a mirrored coupling with the other feed structure (12a-12d, 15) belonging to the polarization. In addition, a network part (14a, 14b) is laid out so that its corresponding feed structures (12a-12d, 15) are fed with supporting signals of equal magnitude.