EP1639674A1 - Antennenanordnung für mobile kommunikationsendgeräte - Google Patents
Antennenanordnung für mobile kommunikationsendgeräteInfo
- Publication number
- EP1639674A1 EP1639674A1 EP04798038A EP04798038A EP1639674A1 EP 1639674 A1 EP1639674 A1 EP 1639674A1 EP 04798038 A EP04798038 A EP 04798038A EP 04798038 A EP04798038 A EP 04798038A EP 1639674 A1 EP1639674 A1 EP 1639674A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- antenna elements
- arrangement according
- antenna arrangement
- contact
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/01—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the shape of the antenna or antenna system
Definitions
- the invention relates to an antenna arrangement for mobile communication terminals, in particular those which support a plurality of mobile radio communication standards.
- Mobile radio standards differ in principle by the specially reserved frequency range.
- a respective frequency range i. H.
- antennas are necessary which, in a predominant number of cases, have the length ⁇ / 4, where ⁇ is a wavelength within the frequency range.
- the term "software defined radio” is of particular importance because it means mobile communication terminals that are intended to cover as many different mobile radio communication standards as possible and thus also receive different carrier frequencies.
- An antenna arrangement suitable for this can therefore either consist of a plurality of antennas or else such a broadband antenna is used which covers all supported mobile radio standard frequency ranges can operate.
- a broadband antenna will have the disadvantage that it is not optimally adapted for a particular application in a special frequency range of a mobile radio communication standard. This leads to losses for a received transmission power.
- the object of the invention is to create an antenna arrangement which can be adapted to a plurality of standard mobile radio frequency ranges.
- an antenna arrangement is provided with a regular field of electrically conductive antenna elements arranged on a carrier, which are designed and mounted in such a way that they each lie between a first position in which electrical contact with at least one adjacent antenna element is made possible and a second position , in which there is electrical decoupling from the adjacent antenna element, are movable, an RF contact for at least one of the antenna elements and a control device for moving the antenna elements between the first and the second position and for forming a desired antenna structure, starting from the at least one , provided with the RF contact antenna element.
- the intended array of antenna elements individually switchable between a first position, which is an active position, and a second position, which is an inactive position, allows one for one by connecting a desired number of antenna elements to implement suitable antenna length - currently used mobile radio standard frequency range.
- the control device used which receives a request to implement a specific antenna structure, causes a number of antenna elements to be moved in such a way that the desired antenna structure is obtained.
- the antenna elements selected for forming the antenna structure are moved into a respectively required position, namely the first position or the second position.
- a transmission power received by an antenna structure depends on its position and orientation in space.
- the antenna arrangement offers the advantage that its orientation can be changed or also shifted in order to optimize the received transmission power.
- At least one of the antenna elements is provided with an HF contact for supplying electromagnetic signals to be emitted or discharging received electromagnetic signals
- This antenna element serves as the starting point for an antenna structure to be built with the aid of further antenna elements.
- Antenna structure to be constructed antenna elements has the advantage that either in terms of antenna "diversity" a gain is achieved with regard to a received transmission power or a parallel reception of different carrier frequencies, which are assigned to different mobile radio standards, is made possible.
- the antenna elements are preferably designed as essentially rectangular plates which can be rotated on axes running parallel to one another. In this respect, the antenna elements lie one behind the other on an axis, a distance in the axial direction between adjacent antenna elements should take into account that sufficient electromagnetic decoupling from one another can be achieved.
- an antenna structure is defined by a plurality of antenna elements that are located on different axes.
- adjacent plates overlap in a direction perpendicular to the axes in the first position and can be connected to one another in an electrically conductive manner in the overlap region.
- both antenna elements are in the first position and are in electrically conductive contact with one another due to the
- the platelets on mutually adjacent axes are offset from one another in the axial direction, a distance between platelets adjacent on the axes being smaller than an expansion of the platelets in the axial direction and the offset smaller than the expansion of the platelets and is larger than the distance.
- the antenna elements are preferably on a substrate, e.g. B. a semiconductor chip, arranged as the carrier.
- the substrate functioning as a carrier is preferably low-loss. It is advantageous here if each antenna element is arranged on an associated matrix element of a row / column matrix of the carrier and each antenna element is assigned a row and a column address. In this way, the control device by means of the row and the column address can make a single actuation of the "antenna elements and from the second position to the first
- a current position of an antenna element namely either the first or the second position, can be stored in a respective memory element that a
- Matrix element of the row / column matrix of the semiconductor chip is assigned. This makes it possible for the control device to be able to draw conclusions continuously about the currently implemented antenna structure by reading out the memory elements.
- control device for controlling the antenna elements and also a circuit arrangement for HF signal processing are also integrated on the semiconductor chip.
- the RF signal processing takes place in Usually takes place with the aid of a suitable circuit arrangement, the incoming signals, which are supplied by the antenna elements, are further processed.
- FIG. 1 shows a side view of an antenna arrangement for a mobile communication terminal
- FIG. 2 shows a view from above of the antenna structure from FIG. 1,
- FIG. 3 shows a view from above of a substrate as a carrier for a plurality of antenna structures
- Figure 4 is a top view of a substrate with several common RF connections for antenna structures and
- Figure 5 is a schematic overview of an antenna chip with external control.
- Antenna elements AE / 1 , AE 3 (2 , AE 2 , 2 , AE 1/3 are each rotatably mounted on the associated axes Ai, A 2 , A 3 , A 4 , so that they move from a first, active position into a move the second passive position.
- the antenna elements AE 4 ⁇ 1 , AE 3 2 , AE 2/2 - also the decoupled antenna element, AE X , 3 - are each provided with an electrically conductive surface 0, which runs in such a way that when the first is taken Position adjacent
- Antenna elements such as the antenna elements AE 3/2 and AE 2/2 on adjacent axes A 2 , A 3 touch each other with their electrically conductive surfaces.
- a substrate for the antenna elements can be ceramic material that has been metallized with a metallic layer to form the electrically conductive surface.
- the antenna elements can also be made entirely of metal.
- the metallic antenna elements AE 4 , ⁇ , AE 3 , 2 / AE 2/2 , AE 1/3 are essentially rectangular, but point in the direction of adjacent antenna elements perpendicular to the axes Ai, A 2 , A 3 , A 4 each have a step which is provided with an associated section of the electrically conductive surface.
- the mutually opposite steps overlap with one another and lie against one another when the antenna elements AE 3 (2 , AE 2/2 are in their first position and an electrical contact is established between these antenna elements AE 32 , AE 2 , 2.
- the antenna elements AE, ⁇ , AE 3 (2 , AE 2 (2 , AE 1 (3 are above a carrier 5, which is in the form of a semiconductor chip, around their associated axis Ai, A 2 , A 3 , A 4 , rotatably arranged and mechanically supported on the semiconductor chip 5.
- a possible realization of the rotatable mounting for the antenna elements AE lrl , AE 1 ⁇ 2 , AE ⁇ , 3 , AE ⁇ / 4 can be seen , for example, from US 2002/0109903 AI, which relates to a micro-electromechanical system with optical applications.
- the antenna elements AE ⁇ , ⁇ , AE ⁇ , 2 , AE ⁇ , 3 , AE ⁇ , 4 are designed as micro-electromechanical elements, the position of which can be adjusted with the aid of attractive or repulsive electrostatic forces.
- FIG. 2 A general structure of an array of antenna elements, which also includes the antenna elements AE (1 , AE 3 2 , AE 22 , AE 13 explained with reference to FIG. 1, is shown in FIG. 2.
- Four rows of antenna elements AE 1 (1 , ..., AE ⁇ / 8 ,; AE 2 , ⁇ , ..., AE 2/8 ; AE 3 , ⁇ , ..., AE 3 , 8 ; AE 4 ⁇ 1 , ..., AE 4 / 8 which are arranged on respective axes i, A 2 , A 3 , A 4.
- the indexing of the antenna elements follows the rule that the first index of the number of the associated axis and the second index of the position of the antenna element from left to right in the figure 2.
- n axes are provided, each with m antenna elements, the number m of antenna elements not necessarily having to be the same for all axes.
- Antenna elements arranged on adjacent axes Ai, A 2 , A 3 , A 4 have an offset parallel to the axes which is dimensioned such that - apart from the edge region - an axis position of an antenna element on one axis is approximately the middle between two antenna elements corresponds to the other axis. This makes it possible that the antenna element on one
- Axis can be electrically connected with two antenna elements on the other axis at the same time. This has the Advantage that reception properties of an antenna structure realized with the aid of the field of antenna elements can be optimized by connecting further antenna elements, starting from an initial structure.
- the field antenna elements shown in FIG. 2 has a general matrix structure, with each antenna element being assigned a unique row position n and a unique column position m. An antenna element can be identified using this position information.
- FIG. 2 shows two different antenna structures that can be implemented with the field antenna elements, for the sake of example.
- a first antenna structure AS1 with a length l ⁇ is formed by four antenna elements, each of which is in the first, active position. The four antenna elements run obliquely to the axes on which the field antenna elements is arranged.
- An outer antenna element of the antenna structure AS1 is provided with an RF contact and is used for coupling received or
- a received signal can thus be fed to an RF processing device.
- Each individual antenna element can be equipped with such an RF contact.
- a second antenna structure AS2 a length 1 2 in Figure 2 is formed by a total of eight antenna elements that are connected to each other electrically conductive. Two antenna elements on each axis contribute to the antenna structure.
- a comparison of the antenna structure AS1 with the antenna structure AS2 shows that by connecting additional antenna elements, the antenna structure AS1, which of the positioning of the involved antenna elements is contained in the antenna structure AS2, can be modified in order to improve reception properties.
- FIG. 2 also illustrates that it is not only possible to build up antenna structures in the horizontal or vertical direction, but also to form any antenna structure areas in the predetermined grid of the antenna elements.
- the antenna elements field can implement two antenna structures that support different mobile radio standards.
- the requirements for an antenna arrangement for "software defined radio” devices are taken into account.
- FIG. 3 shows an exemplary embodiment of a substrate serving as a carrier in the form of a semiconductor chip 5.
- the semiconductor chip 5 is rectangular and has two connections ANi, AN 2 ,... AN 8 on each of its side edges.
- Each of the connections ANi, ... AN 8 which acts as an HF contact, is permanently electrically connected to a special antenna element that serves as an output element for forming an antenna structure.
- a total of eight antenna structures are shown in FIG. 3, which emanate from the respective connections ANi,..., AN 8 and in some cases differ in shape.
- the semiconductor chip 5 can be equipped with antenna elements over its entire surface, with FIG. 3 primarily showing active antenna elements and possibly adjacent inactive antenna elements.
- FIG. 5 A further exemplary embodiment of an antenna arrangement on the semiconductor chip 5 is illustrated in FIG. In contrast to the embodiment of Figure 3 are as In the exemplary embodiment according to FIG. 4, special antenna elements designed to couple in / out are arranged not on the edge of the semiconductor chip 5 but in the inner region thereof. At its edge, the semiconductor chip 5 has a total of 4 RF connections AN 9 , ..., AN ⁇ 2 provided as RF contacts, each of which is assigned a low-loss multiplexer Mi, M 2 , M 3 , M 4, which is also assigned is realized on the semiconductor chip 5.
- Each of the multiplexers M x , ..., M 4 is connected in the exemplary embodiment shown to six antenna elements AE nm , which can serve as coupling-in / coupling-out elements for HF signals.
- antenna elements AE nm which can serve as coupling-in / coupling-out elements for HF signals.
- FIG. 4 only one antenna structure is shown in FIG. 4 on the antenna element arranged at the top left in FIG. 4.
- the semiconductor chip 5 of FIG. 4 can be completely provided with antenna elements over its surface.
- a control device 6 in the form of a microprocessor receives input values which reflect which
- the control device 6 controls a number of the antenna elements of the field in such a way that they are in the first, active position, while neighboring ones
- Antenna elements are brought into the second, inactive position, provided that they were previously in the active, first position.
- the control device 6 sends suitable control signals to the antenna elements AE n ⁇ m concerned .
- m stored whether it is in the first or in the second position.
- control device 6 emits address signals S A and data signals S D , the address signals S A denoting respective antenna elements, while the data signals S D contain the information as to whether a currently addressed antenna element is to assume the active or the passive position.
- LNA Low Noise Amplifier
- the semiconductor chip 5 is shown in FIG. 5 in such a way that it carries only antenna elements and associated connections, the control device ⁇ and the reception filters F1, F2, F3 and their associated RF amplifiers LNA1, LNA2, LNA3 can be on the semiconductor Chip 5 be implemented.
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
- Transceivers (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10356511A DE10356511A1 (de) | 2003-12-03 | 2003-12-03 | Antennenanordnung für mobile Kommunikationsendgeräte |
PCT/EP2004/013237 WO2005055367A1 (de) | 2003-12-03 | 2004-11-22 | Antennenanordnung für mobile kommunikationsendgeräte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1639674A1 true EP1639674A1 (de) | 2006-03-29 |
EP1639674B1 EP1639674B1 (de) | 2010-10-27 |
Family
ID=34638302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04798038A Not-in-force EP1639674B1 (de) | 2003-12-03 | 2004-11-22 | Antennenanordnung für mobile kommunikationsendgeräte |
Country Status (7)
Country | Link |
---|---|
US (1) | US7532162B2 (de) |
EP (1) | EP1639674B1 (de) |
KR (1) | KR20070006545A (de) |
CN (1) | CN1890840A (de) |
AT (1) | ATE486390T1 (de) |
DE (2) | DE10356511A1 (de) |
WO (1) | WO2005055367A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8121539B2 (en) * | 2007-08-27 | 2012-02-21 | Nokia Corporation | Antenna arrangement |
US9866069B2 (en) * | 2014-12-29 | 2018-01-09 | Ricoh Co., Ltd. | Manually beam steered phased array |
CN110574235B (zh) * | 2017-04-26 | 2021-05-14 | 株式会社村田制作所 | 天线模块和通信装置 |
CN108365347B (zh) * | 2018-02-11 | 2020-06-30 | 中国电子科技集团公司第五十四研究所 | 一种可重构天线 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08265042A (ja) * | 1995-03-22 | 1996-10-11 | Hisamatsu Nakano | 偏波共用グリッドアレイアンテナ |
JP2004500779A (ja) * | 2000-03-20 | 2004-01-08 | サーノフ コーポレイション | 再構成可能アンテナ |
WO2001080258A2 (en) | 2000-04-18 | 2001-10-25 | Standard Mems, Inc. | A micro relay |
GB0015374D0 (en) * | 2000-06-23 | 2000-08-16 | Koninkl Philips Electronics Nv | Antenna arrangement |
JP4560958B2 (ja) * | 2000-12-21 | 2010-10-13 | 日本テキサス・インスツルメンツ株式会社 | マイクロ・エレクトロ・メカニカル・システム |
JP3939504B2 (ja) * | 2001-04-17 | 2007-07-04 | カシオ計算機株式会社 | 半導体装置並びにその製造方法および実装構造 |
US6501427B1 (en) * | 2001-07-31 | 2002-12-31 | E-Tenna Corporation | Tunable patch antenna |
US6774844B2 (en) | 2001-08-09 | 2004-08-10 | Altarum Institute | Antenna structures based upon a generalized hausdorff design approach |
CN100367564C (zh) * | 2001-12-04 | 2008-02-06 | 松下电器产业株式会社 | 天线以及具有该天线的装置 |
-
2003
- 2003-12-03 DE DE10356511A patent/DE10356511A1/de not_active Withdrawn
-
2004
- 2004-11-22 WO PCT/EP2004/013237 patent/WO2005055367A1/de active Application Filing
- 2004-11-22 AT AT04798038T patent/ATE486390T1/de not_active IP Right Cessation
- 2004-11-22 US US10/596,179 patent/US7532162B2/en active Active
- 2004-11-22 KR KR1020057025445A patent/KR20070006545A/ko not_active Application Discontinuation
- 2004-11-22 EP EP04798038A patent/EP1639674B1/de not_active Not-in-force
- 2004-11-22 CN CNA200480035949XA patent/CN1890840A/zh active Pending
- 2004-11-22 DE DE502004011824T patent/DE502004011824D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2005055367A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1639674B1 (de) | 2010-10-27 |
WO2005055367A1 (de) | 2005-06-16 |
KR20070006545A (ko) | 2007-01-11 |
CN1890840A (zh) | 2007-01-03 |
US20070085740A1 (en) | 2007-04-19 |
US7532162B2 (en) | 2009-05-12 |
DE10356511A1 (de) | 2005-07-07 |
DE502004011824D1 (de) | 2010-12-09 |
ATE486390T1 (de) | 2010-11-15 |
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