Title:
携帯電話システムにおける無線基地局用アンテナ装置
Document Type and Number:
Japanese Patent JP4824701
Kind Code:
B2
Abstract:
An apparatus comprises a first and a second input connection for a first (D1) and a second (D2) data stream, and a first and a second polarization former, one for each of said data streams. The apparatus further comprises a first and a second antenna of respective first and second polarizations, and one amplifier each. The apparatus further comprises a first and a second combiner, so that the outputs from the polarization formers may be combined as input to each of the first and second antennas.
Inventors:
Pattion, Sven
Johansson, Martin
Ingstrom, Eurrica
Johansson, Martin
Ingstrom, Eurrica
Application Number:
JP2007549307A
Publication Date:
November 30, 2011
Filing Date:
December 30, 2004
Export Citation:
Assignee:
Telefon Akti Bora Get Elm Ericson (Pubble)
International Classes:
H04B7/10; H01Q15/24; H01Q21/24; H04B7/06; H04B7/26; H04J11/00; H04J99/00
Domestic Patent References:
| JP2003244046A | 2003-08-29 | |||
| JP2000509950A | 2000-08-02 |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Youhei Kawabata
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Youhei Kawabata