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WO2001017061A1 - Multiband antenna - Google Patents

Multiband antenna

Info

Publication number
WO2001017061A1
WO2001017061A1 PCT/DE2000/001327 DE0001327W WO0117061A1 WO 2001017061 A1 WO2001017061 A1 WO 2001017061A1 DE 0001327 W DE0001327 W DE 0001327W WO 0117061 A1 WO0117061 A1 WO 0117061A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
antenna
conductor
antennas
circuit
tracks
Prior art date
Application number
PCT/DE2000/001327
Other languages
German (de)
French (fr)
Inventor
Stefan Huber
Martin OELSCHLÄGER
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q21/00Aerial arrays or systems
    • H01Q21/30Combinations of separate aerial units operating in different wavebands and connected to a common feeder system
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q1/00Details of, or arrangements associated with, aerials
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q1/00Details of, or arrangements associated with, aerials
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q1/00Details of, or arrangements associated with, aerials
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q1/00Details of, or arrangements associated with, aerials
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q11/00Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02Non-resonant aerials, e.g. travelling-wave aerial
    • H01Q11/04Non-resonant aerials, e.g. travelling-wave aerial with parts bent, folded, shaped, screened, or electrically loaded to obtain desired phase relation of radiation from selected sections of the aerial
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q5/00Arrangements for simultaneous operation of aerials on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q5/00Arrangements for simultaneous operation of aerials on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364Creating multiple current paths
    • H01Q5/371Branching current paths
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q9/00Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant aerials
    • H01Q9/30Resonant aerials with feed to end of elongated active element, e.g. unipole
    • H01Q9/42Resonant aerials with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Abstract

The invention relates to a multiband antenna, especially for mobile radiotelephone service devices with a multi-side support (1) and two or more circuit-board conductors (2, 3) representing the transmitting and/or receiving device in different levels of the support (1). According to the inventive antenna, at least two circuit-board conductors (2, 3) are connected to each other via a direct contact (6). In an ideal embodiment, the inventive antenna is a multiband antenna which can cover different frequency ranges in such a way that the capacity utilisation of the networks and roaming at home and abroad is improved. A simple design for a function in several frequency bands is possible. Short-term fine tuning of the antenna is possible. The possibilities of tuning the individual circuit-board conductors is optimised, especially with regard to a combination of directly contacting circuit-board conductors and additional coupled circuit-board conductors.

Description

description

Multiband antenna

The invention relates to a multi-band antenna to the precharacterizing shopping Maien of claim 1.

In the field of wireless technology, especially mobile communications technology multiband antennas are needed that cover different frequency ranges in order to, for example, improve the utilization of networks and roaming at home and abroad.

In particular, the antennas should be interpretable for a broadband frequency range. To enable a further reduction of the mobile devices, these antennas should have only small dimensions and low weight. In addition, this antenna must be inexpensive and reproducible manner.

So far the problem with helix antennas, microstrip antennas, two-sided and multi-layer PCB antennas or the simultaneous use of multiple antennas has been attempted to be solved.

From WO 96/38881 and WO 96/38882, for example, multi-band antennas are known in which a plurality of conductor tracks are arranged as a radiation body on at least one side of a printed circuit board. Only one of the conductor tracks is connected to a transmitter / receiver or formed for example as a simple radiating element. Further conductor tracks are not directly connected via electrical conductors but are formed such that they are excited by an electromagnetic coupling. In particular, the vote of the traces created thereby very difficult and expensive.

However, the known solutions have several disadvantages, as follows: The so-called helical antennas having only one heiisch wound wire are complicated vote, require a lot of space and make long tool lead times required. There is also the problem that not all possible slopes and shapes can be wound.

In microstrip line antennas, a ground plane is required, which completely covers the rear side of a printed circuit board (PCB). Due to the required distance to the radiating elements, a large space is also required. Also, these antennas are costly to manufacture.

Even when two-sided PCB antennas or two PCBs, each having a radiating structure on one side of the two PCBs and having an extended mass for tuning to a rear side of one of the two PCBs are placed one behind the other, there are disadvantages. So exist in these lower multiband capability and fewer opportunities to vote. In addition, a mass feeding is required.

Multilayer PCB multiband antennas are complicated to manufacture and have a lower reproducibility.

The use of multiple antennas to cover multiple bands makes a higher space requirement, an additional control of the individual antennas, additional Antennenkontaktierung and an additional antenna mount required. Here, accordingly, the number of components increases. This solution is also expensive to manufacture.

The previous concepts such as helical wire antennas, microstrip antennas, double-sided PCB antennas with coupling and several antennas side by side or one behind the other do not have particular all the disadvantage that they either have too high a space or Abstirnmbarkeit at a multi-band function is easily possible.

The known systems are disadvantageous in view of the Abstirnmbarkeit because it is a great deal of time in the development is required by a variety of time-intensive operations. For example, required in the stamping and bending techniques and the wound helix simulations, wherein the converted result must be mostly corrected again, as simulation and practice usually does not sufficiently match. In the punching and bending technology will be added further that a tool change takes longer, or in extreme cases, end-stage may be impossible. Multilayer antennas with more than two layers have the disadvantage that they are in many laboratories not readily dischargeable because the technology in the home is not available and you have to drive along the tests with the supplier.

The object of the invention is to provide an improved antenna with multi-band capability.

This object is achieved by an antenna having the features of claim 1. Advantageous embodiments are subject matter of dependent claims.

The proposed antenna is ideally a multiband antenna that can cover different frequency ranges, so that the utilization of the networks and roaming in Germany and

Abroad be improved. Here, a simple design for a function in multiple frequency bands is possible.

A further reduction of the mobile devices is also possible, since the dimensions of the antennas and the weight thereof can be reduced. In particular, a reduction of the required total height is possible. Furthermore, these antennas are inexpensive to manufacture, since, for example, are required in the case of an antenna for two frequencies only two conductor tracks. In addition, no mass is required, which simplifies the structure additionally.

Such antennas are also easily reproducible by small tolerance variations in production. It is especially advantageous that such an antenna is particularly easy to be tuned to a wide variety of ways. In particular, a short-term fine-tuning of the antenna is possible. An antenna can be set up shortly in our own laboratory, for example, in half a day, if necessary including etching or milling of the structure. The data can then be passed on to the printed circuit board manufacturer, which then also, for example, produces rapidly within a day, with no implementation problems, a new mask that mass production can be taken with the then. it is also possible to carry on this basis additional test.

Particularly advantageous is the combination of a two-level PCB antenna with one or more vias and / or one or more Stirnseitenkontaktierungen. This combination expands and simplifies the possibilities of coordination of the overall arrangement. So it is possible to provide a particularly compact, inexpensive and relatively simple tunable multiband antenna.

An embodiment of the invention will be explained below with reference to the drawing. Show it:

Fig. 1 shows a whole structure of a two-level multi-band PCB antenna with Stirnseitenkontaktierung in perspective view, Fig. 2, such an antenna with vias through the

Circuit board therethrough, Fig. 3, the individual pages of an antenna with a branch and edge contact, Fig. 4, the individual pages of an antenna with

Stirnseitenkontaktierung and an interruption in the rear conductor path, Fig. 5, the individual pages of an antenna with a

Combination of two Stirnseitenkontaktierungen and a stimulable by pure coupling conductor and

Fig. 6 shows another combination with various

Conductor tracks and their connections or couplings.

As shown in FIG. 1, an exemplary two-level PCB multi-band antenna of a carrier in the form of a printed circuit board 1, which is apart from their outer contours shown transparent here. The printed circuit board 1 carries on both sides one or more patterned conductor tracks 2 and 3. The conductor 2 is connected via a bonding pad 12 to a transmission / reception circuit.

The conductor tracks 2 and 3 are here directly electrically connected to each other. Thereby, they represent one or more electric lamps, showing resonances at two or more frequencies. The resonance frequencies are selectable by selection of the place of electrical connection, that the connection points of the printed conductors 2 and 3, and by selecting the arrangements and shapes of the conductive traces 2 and 3. FIG.

The conductor tracks 2 and 3 of the two layers are thus electrically connected directly via one or more peripheral and / or Stirnseitenkontaktierungen. 4

Instead of contacting via end faces 5 or additionally, the contacting can be carried out through the circuit board 1 through at one or more locations, as shown for example in Fig. 2 by means of a plated-through hole. 6

In addition to the known capacitive, inductive and radiative coupling the direct electrical contact with the conductor tracks offers 2 and 3 both levels a new way the vote of the assembly.

Each track can take any form. In particular, branches 7 are possible on the interconnects. Thus, FIG. 3 shows an exemplary embodiment with an edge contact 8 in the region of the centers of

Tracks 2 and 3. Preferably, one or more of the conductive traces 2 and 3 the shape of a meander, a wavy line or that of a rod.

As seen from Fig. 4, one or more of the interconnects can also be interrupted at one or more locations 2 and 3. Characterized a combination of direct connections and couplings between the front and back and also the linkage to the other on the caused by the interruptions column 9 formed and not directly connected to conductor tracks 10 can be generated.

Also, two or more radiators are attached to the back, both from the front, as also be excited from the rear by coupling. Examples of a variety of other possible combinations are shown in FIGS. 5 and 6.

An antenna may in particular also consist of several circuit boards 1 each having one or more conductive traces and / or circuit boards having one or more conductor tracks on one or more layers in such printed circuit boards to be constructed which can be arranged as desired to one another. The individual layers and / or circuit boards are preferably, but not necessarily, parallel to each other. The distance between the planes can be used as an opportunity to vote in addition.

The material from which the circuit board can be freely selected, but should be high frequency-compatible, such as commercial printed circuit board material FR4, or a flexible plastic material, in particular a film made of polycarbonate or polyetherimide. Here, individual tracks may also be included in the material.

Such an antenna can advantageously be integrated directly into a main assembly. In this case, for example, also offers the possibility of a branch of the supply line and the different time rerouting lines in the individual branches provide multiple feed points on each of the conductive traces 2 and 3 in order to supply the main assembly with different phases. These

Branch lines can also be implemented on the antenna PCB itself.

Furthermore, one or more matching circuits may be disposed on the antenna substrate itself and not only on the main assembly. Also, the provision of other components, especially electronic elements is possible on such a circuit board, such elements may communicate with the conductor tracks optional, eg can be actively controlled by the signals on the conductors or turn affect or dictate the signals on the conductor tracks can ,

Claims

claims
1. Antenna, in particular multi-band antenna for mobile communications devices, comprising - a multi-carrier (1),
- two or more conductors (2, 3) as a transmitting and / or receiving device in different planes of the support (1), characterized in that at least two of the conductor tracks (2, 3) by direct contact are connected to each other.
2. The antenna of claim 1, wherein two of the layers by two outer sides of the support (1), in particular opposite outer sides are formed.
is 3. The antenna of claim 1 or 2, wherein the carrier (1) a printed circuit board (PCB) or a flexible plastic material, in particular a film made of polycarbonate or polyetherimide.
4. Antenna according to one of the preceding claims, wherein the one or more direct contacts via conductive connections (8) at the edge of the carrier (1) and / or through the carrier (1) therethrough conductive vias (6) are formed.
5. Antenna according to one of the preceding claims, wherein the one or more contacts (6, 8) are arranged at contact points and / or conductor branches (7).
6. Antenna according to one of the preceding claims, wherein at least one of the conductor tracks (2) is directly connected to a transmitting and / or receiving device.
7. The antenna of claim 6, wherein the conductor path is connected directly with a transmitter (2) is arranged in a different plane than the further conductor tracks (3, 10).
8. Antenna according to one of the preceding claims, wherein in addition to directly interconnected conductor tracks (2, 3) further conductor tracks (10) are excited by coupling as a radiator.
9. Antenna according to any one of the preceding claims, wherein on the carrier (1) in addition to conductor tracks (2, 3, 10) an electronically active and / or passive component, in particular an adaptation circuit is arranged at least.
10. Antenna according to any one of the preceding claims, in which the antenna is integrated into a main assembly.
PCT/DE2000/001327 1999-09-01 2000-04-27 Multiband antenna WO2001017061A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19941681 1999-09-01
DE19941681.8 1999-09-01

Publications (1)

Publication Number Publication Date
WO2001017061A1 true true WO2001017061A1 (en) 2001-03-08

Family

ID=7920453

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/001327 WO2001017061A1 (en) 1999-09-01 2000-04-27 Multiband antenna

Country Status (1)

Country Link
WO (1) WO2001017061A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003038945A1 (en) * 2001-10-26 2003-05-08 Qualcomm, Incorporated Integrated antenna for mobile telephole
EP1363355A2 (en) * 2002-05-15 2003-11-19 Kosan Information & Technologies Co., Ltd Microchip dual band antenna
EP1363356A2 (en) * 2002-05-15 2003-11-19 Kosan Information & Technologies Co., Ltd External mounting type microchip dual band antenna assembly
WO2009014554A1 (en) * 2007-07-24 2009-01-29 Sony Ericsson Mobile Communications Ab Printed circuit boards with a multi-plane antenna and methods for configuring the same
DE202008015943U1 (en) 2008-12-02 2009-02-19 Metrona Wärmemesser Union Gmbh antenna device
US8738103B2 (en) 2006-07-18 2014-05-27 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US8941541B2 (en) 1999-09-20 2015-01-27 Fractus, S.A. Multilevel antennae

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142380A2 (en) * 1983-11-16 1985-05-22 Minnesota Mining And Manufacturing Company Electronic article surveillance system using marker containing a distributed capacitance lc resonant circuit
WO1996038874A1 (en) * 1995-06-02 1996-12-05 Ericsson Inc. Printed antenna having electrical length greater than physical length
US5608417A (en) * 1994-09-30 1997-03-04 Palomar Technologies Corporation RF transponder system with parallel resonant interrogation series resonant response
WO1998049742A1 (en) * 1997-04-30 1998-11-05 Moteco Ab An antenna for a radio communications apparatus
WO1999003166A1 (en) * 1997-07-09 1999-01-21 Allgon Ab Antenna device for a hand-portable radio communication unit
WO1999052175A1 (en) * 1998-04-02 1999-10-14 Allgon Ab Wide band antenna means incorporating a radiating structure having a band form

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142380A2 (en) * 1983-11-16 1985-05-22 Minnesota Mining And Manufacturing Company Electronic article surveillance system using marker containing a distributed capacitance lc resonant circuit
US5608417A (en) * 1994-09-30 1997-03-04 Palomar Technologies Corporation RF transponder system with parallel resonant interrogation series resonant response
WO1996038874A1 (en) * 1995-06-02 1996-12-05 Ericsson Inc. Printed antenna having electrical length greater than physical length
WO1998049742A1 (en) * 1997-04-30 1998-11-05 Moteco Ab An antenna for a radio communications apparatus
WO1999003166A1 (en) * 1997-07-09 1999-01-21 Allgon Ab Antenna device for a hand-portable radio communication unit
WO1999052175A1 (en) * 1998-04-02 1999-10-14 Allgon Ab Wide band antenna means incorporating a radiating structure having a band form

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9761934B2 (en) 1999-09-20 2017-09-12 Fractus, S.A. Multilevel antennae
US8976069B2 (en) 1999-09-20 2015-03-10 Fractus, S.A. Multilevel antennae
US8941541B2 (en) 1999-09-20 2015-01-27 Fractus, S.A. Multilevel antennae
US9240632B2 (en) 1999-09-20 2016-01-19 Fractus, S.A. Multilevel antennae
US9362617B2 (en) 1999-09-20 2016-06-07 Fractus, S.A. Multilevel antennae
US9054421B2 (en) 1999-09-20 2015-06-09 Fractus, S.A. Multilevel antennae
US9000985B2 (en) 1999-09-20 2015-04-07 Fractus, S.A. Multilevel antennae
WO2003038945A1 (en) * 2001-10-26 2003-05-08 Qualcomm, Incorporated Integrated antenna for mobile telephole
US6768463B2 (en) 2001-10-26 2004-07-27 Qualcomm Incorporated Multi-surface printed conductive trace antenna and method of receiving signals using a multi-surface printed conductive trace antenna
EP1363355A3 (en) * 2002-05-15 2004-07-21 Kosan Information & Technologies Co., Ltd Microchip dual band antenna
EP1363356A3 (en) * 2002-05-15 2004-07-21 Kosan Information & Technologies Co., Ltd External mounting type microchip dual band antenna assembly
EP1363356A2 (en) * 2002-05-15 2003-11-19 Kosan Information & Technologies Co., Ltd External mounting type microchip dual band antenna assembly
EP1363355A2 (en) * 2002-05-15 2003-11-19 Kosan Information & Technologies Co., Ltd Microchip dual band antenna
US8738103B2 (en) 2006-07-18 2014-05-27 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US9099773B2 (en) 2006-07-18 2015-08-04 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US9899727B2 (en) 2006-07-18 2018-02-20 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US7724193B2 (en) 2007-07-24 2010-05-25 Sony Ericsson Mobile Communications Ab Printed circuit boards with a multi-plane antenna and methods for configuring the same
WO2009014554A1 (en) * 2007-07-24 2009-01-29 Sony Ericsson Mobile Communications Ab Printed circuit boards with a multi-plane antenna and methods for configuring the same
DE202008015943U1 (en) 2008-12-02 2009-02-19 Metrona Wärmemesser Union Gmbh antenna device

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