Broadband Antenna and Radio Base Station System for Process-ing at Least Two Frequency Bands or Radio Standards in a Radio Communications System

• US 20130294302A1
• Filed: 08/01/2011
• Published: 11/07/2013
• Est. Priority Date: 08/04/2010
• Status: Abandoned Application

• Current Assignee: Nokia Solutions and Networks US LLC (Nokia Corporation)
• Original Assignee: Nokia Solutions and Networks US LLC (Nokia Corporation)
• Inventors: Goldberg, Martin, Heinz, Helmut, Hofmann, Ralf Dieter, Guha, Elmar, Haubrich, Andree, Saukkonen, Risto Kaarlo
• Application Number:
  US13/813,442
• Publication Number:
  US 20130294302A1
• Time in Patent Office: Days
• US Class Current: 370/297
• CPC Class Codes: H01Q 1/246 specially adapted for base stations
• CPC Class Codes: H01Q 21/30 Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
• CPC Class Codes: H01Q 25/00 Antennas or antenna systems providing at least two radiating patterns arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00
• CPC Class Codes: H01Q 3/30 varying the relative phase between the radiating elements of an array H01Q3/2605, H01Q3/2658, H01Q3/2682, H01Q3/44 take precedence
• CPC Class Codes: H01Q 5/307 Individual or coupled radiating elements, each element being fed in an unspecified way
• CPC Class Codes: H01Q 5/50 Feeding or matching arrangements for broad-band or multi-band operation
• CPC Class Codes: H04L 5/08 each combination of signals in different channels being represented by a fixed frequency

Abstract

The present invention refers to a broadband antenna configured for processing at least two frequency bands or radio standards in a radio communications system, the broadband antenna including at least one column, the column including at least one antenna element, a first phase shifter configured for phase shifting a first frequency band or radio standard and a second phase shifter configured for phase shifting a second frequency band or radio standard, and a diplexer configured for diplexing the phase shifted first and second frequency bands or radio standards, including two inputs and one output, with the first phase shifter and the second phase shifter being coupled to the two inputs, and the antenna element being coupled to the output. The invention further refers to a radio base station system including a broadband antenna according to the invention.

Claims

1. Broadband antenna configured for processing at least two frequency bands in a radio communications sys-tern, the broadband antenna comprising at least one column, the column comprising

at least one antenna element;

a first phase shifter configured for phase shifting a first frequency band and a second phase shifter configured for phase shifting a second frequency band;

a diplexer configured for diplexing the phase shifted first and second frequency bands, comprising a first input, a second input, and one output, wherein the first phase shifter is coupled to the first input, the second phase shifter is coupled to the second input, and the antenna element is coupled to the output.

2. Broadband antenna according to claim 1, wherein the antenna element is a polarized antenna element, and wherein each frequency band comprises a first polarization direction and a second polarization direction, and wherein

said first phase shifter is a dual phase shifter configured for phase shifting the first polarization direction and the second polarization direction of the first frequency band;

said second phase shifter is a dual phase shifter configured for phase shifting the first polarization direction and the second polarization direction of the second frequency band;

and wherein said diplexer is a dual diplexer, comprising two single diplexers, each single diplexer comprising a first input, a second input, and one output, wherein the first phase shifter is coupled to the first inputs, the second phase shifter is coupled to the second inputs, and the antenna element is coupled to the outputs.

5. Broadband antenna according to claim 1, wherein said diplexer is a printed circuit board diplexer.

6. Broadband antenna according to any preceding claim claim 1, the broadband antenna further comprising a printed wiring board, said printed wiring board comprising said printed circuit board diplexer.

7. Broadband antenna according to claim 1, the broadband antenna further comprising a housing, said housing comprising the antenna element, the first and second phase shifters, and the diplexer.

8. Radio base station system, comprising a broadband antenna according to claim 1.

3. Broadband antenna configured for processing at least two radio standards in a radio communications system, the broadband antenna comprising at least one column, the column comprising

at least one antenna element;

a first phase shifter configured for phase shifting a first radio standard and a second phase shifter configured for phase shifting a second radio standard;

a diplexer configured for diplexing the phase shifted first and second radio standards, comprising a first input, a second input, and one output, wherein the first phase shifter is coupled to the first input, the second phase shifter is coupled to the second input, and the antenna element is coupled to the output.

4. Broadband antenna according to claim 3, wherein the antenna element is a polarized antenna element, and wherein each radio standard comprises a first polarization direction and a second polarization direction, and wherein

said first phase shifter is a dual phase shifter configured for phase shifting the first polarization direction and the second polarization direction of the first radio standard;

said second phase shifter is a dual phase shifter configured for phase shifting the first polarization direction and the second polarization direction of the second radio standard;

and wherein said diplexer is a dual diplexer, comprising two single diplexers, each single diplexer comprising a first input, a second input and one output, wherein the first phase shifter is coupled to the first inputs, the second phase shifter is coupled to the second inputs, and the antenna element is coupled to the outputs.