EP1218968B1 - Mobile funk-sende-/funk-empfangseinrichtung mit abstimmbarer antenne - Google Patents
Mobile funk-sende-/funk-empfangseinrichtung mit abstimmbarer antenne Download PDFInfo
- Publication number
- EP1218968B1 EP1218968B1 EP00965835A EP00965835A EP1218968B1 EP 1218968 B1 EP1218968 B1 EP 1218968B1 EP 00965835 A EP00965835 A EP 00965835A EP 00965835 A EP00965835 A EP 00965835A EP 1218968 B1 EP1218968 B1 EP 1218968B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aerial
- rod
- mobile radio
- reception apparatus
- accordance
- 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.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas 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
Definitions
- messages for example Language, image information or other data
- the blasting the electromagnetic waves come from antennas, where the carrier frequencies, in that for the particular system provided frequency band.
- antenna systems have hitherto been used to solve this problem in use, which consist of several antennas, each of which which covers a certain frequency range.
- the object underlying the invention is a mobile To design radio transceiver in such a way that, when covering a large frequency range, guarantees an almost constant stable antenna gain.
- the mobile radio transceiver according to the invention according to claim 1 has an electrically effective Antenna body on, in the near field a dielectric body is movably mounted so that the dielectric body can be moved in the near field of the antenna body in such a way that the measure with that of the dielectric body and the electrical effective antenna bodies overlap in the near field, changed becomes.
- a resonance frequency to be set is used deeper, the greater the degree of overlap in the near field of the antenna body is.
- To be able to set the overlap dimension are also means for adjusting the position of the dielectric Body provided. Change these means of adjustment the position based on at least one control signal, the generated by a control device as an output signal and on the adjustment means is forwarded.
- the control signal will generated by the control device until the overlap dimension an optimal value of at least one physical, a function of the transmission / reception quality of the radio transceiver performing, size guaranteed, those recorded by the detection means and sent to the control device, as an input signal.
- the main advantage of the mobile radio transceiver according to the invention is a largely stable antenna gain in a wide frequency range by regulation to an optimal value representing the quality of reception Size (s) by moving the dielectric body is achieved in the vicinity of the antenna body, wherein the degree of overlap of antenna body and dielectric Body the radiation characteristics of the antenna almost unaffected leaves and thus a good adjustment over the frequency range is guaranteed.
- the arrangement also has the advantage that the antenna (the antenna body) does not have to be moved, what the design of the mobile radio transceiver is beneficial, as well as the external electrical Influence is minimized.
- a major advantage of further training according to claim 2 is to minimize directional electrical interference the antenna by the user, especially his head, the radio transceiver and vice versa.
- a major advantage of further training according to claim 4 is the implementation of a simple device for adjustment the position of the dielectric body, the only one Control signal needed.
- a major advantage of further training according to claim 5 is the realization of simple adjustment means of the position of the dielectric body that only need a control signal the adjustment in defined steps (step angle) he follows.
- the main advantage of further training according to claim 8 is the high dielectric constant that ceramic has, because the frequency range in which the antenna is tuned and therefore can be used, proportional to the height dielectric constant of the hollow body used grows and the acquisition costs are small because there are a large number of ceramic bodies are produced, for example as a body for resonators.
- the main advantage of further training according to claim 9, is the possible use of the mobile radio transceiver in a frequency range in which the ratio the highest to the lowest frequency at least 1.5 Is octaves.
- the detection of the leading transmission power or the returning Transmission power according to claim 10 as a physical one Function of the transmission / reception quality of the radio transceiver performing size allows easy Realization of the regulation (adaptation) of the antenna because of this already existing in the radio transceiver Means can be used.
- FIGURE 1 shows a mobile radio transceiver SE with a transmit / receive antenna designed as a rod antenna SA, a maximum radio-effective antenna length l max being determined by the length of the rod antenna SA.
- rod SB Parallel to the longitudinal axis of the rod antenna SA is a rod SB designed dielectric body arranged.
- the dielectric body can be any other have geometric shape. It is only essential that at Insertion of the dielectric body into the near field of the antenna the antenna is detuned in such a way that it points to the current one Frequency is matched.
- How to choose the geometric shape depends in particular from the antenna and can, for example, by simulation or determined by experimental setups.
- the covered frequency range increases by enlargement of the volume and increase in the dielectric constant of the dielectric body used.
- the dielectric body is made of ceramic, for example to be manufactured because ceramics have a dielectric constant of 88 can.
- the dielectric rod SB is movably supported such that he from a drive wheel AR, that of an electric motor VM, which is designed as a stepper motor, for example is turned backwards, retracted and extended can. He is on one side of the drive roller AR touched and on the opposite of the point of contact Side of the rod SB - for support - from a support wheel SR touches, so that the rotational movement of the drive wheel AR in a straight movement of the rod SB is implemented and thus a dimension M with which the rod antenna SA and the dielectric Overlap bar SB, defined.
- an electric motor VM which is designed as a stepper motor, for example is turned backwards, retracted and extended can. He is on one side of the drive roller AR touched and on the opposite of the point of contact Side of the rod SB - for support - from a support wheel SR touches, so that the rotational movement of the drive wheel AR in a straight movement of the rod SB is implemented and thus a dimension M with which the rod antenna SA and the dielectric Overlap bar SB,
- the (step) angle and the direction of rotation are determined by the amount, the sign and / or the duration of a voltage (control signal) U ST applied to the electric motor VM.
- This voltage U ST is a signal (control signal) present at the output of a control unit (microprocessor) ⁇ P, the magnitude, sign and / or signal duration of which is dependent on the input variable EQ present at the control unit ⁇ P.
- the control unit ⁇ P controls the electric motor VM using the signal U ST until a physical input variable EQ representing the reception quality of the radio transceiver SE has reached an ideal value (optimum).
- the electric motor VM is controlled so that he always puts the drive roller AR into one at the start of the control predetermined direction (default) rotates. Results in the evaluation that the input variable EQ moves away from the ideal value Direction of rotation changed and the electric motor VM is as long controlled until the input variable EQ reaches the ideal value Has.
- AB is equal to the maximum electrically effective antenna length l ANT, MAX - to start and therefore to ensure this starting point when starting control.
- This procedure is particularly necessary when using the mobile radio transceiver SE in a very wide frequency range, in which the ratio of the highest to the lowest frequency is at least 1.5 octaves, since otherwise the case may occur that an electrically effective antenna length l ANT , which results from the difference between the maximum electrically effective antenna length l ANT, MAX and the antenna length l ANT, AB covered by the dielectric rod SB, corresponds to three-quarters of the wavelength - resulting from the current frequency , so that the control is ended, since in this case the input variable EQ also reaches the ideal value. Since the object of the invention is not achieved in this case, this value of the antenna length 1 ANT is not desired.
- the end of the regulation of the antenna length l ANT when this value is reached can be prevented if, for example, a suitable control software can start and thus ensure the regulation of the antenna length l ANT with a minimum radio-effective antenna length that results when the dielectric rod SB is fully extended is that the input variable EQ always ensures optimal adaptation of the antenna when the ideal value is reached.
- the control unit receives the possibly processed input variable EQ ⁇ P of funds EFM for the acquisition of physical from Overlap measure M dependent input quantities EQ, by these Means, if necessary, in a necessary for the control unit ⁇ P Shape to be transformed.
- the EFM means also cover several physical ones Input variables EQ and, if necessary, prepare them before they start the control unit ⁇ P are forwarded, the control unit ⁇ P corresponding to several input variables upon reaching check an ideal value.
- FIG. 2 shows a mobile radio transceiver SE with a transmission / reception antenna designed as a rod antenna SA, with a maximum radio-effective antenna length l max being determined by the length of the rod antenna SA.
- the Diameter of the hollow body HK should be chosen so that the side walls of the hollow body in relation to the wavelength do not have too large a distance, because of the otherwise occurring different phase delays a different radiation pattern compared to that for rod antennas (monopole antennas) usual radiation pattern results.
- a slot is parallel to the longitudinal axis of the Rod antenna SA provided through which the high-frequency connection HF is passed through such that the hollow body without hindrance fully extended, i.e. the entire rod antenna covering, and fully retracted, i.e. the whole Rod antenna can be exposed.
- the hollow body HK can also be designed without a slot then the high-frequency connection HF must be through the lower opening of the hollow body HK, with Changing the position of the dielectric hollow body HK also if necessary, an adaptation of the high-frequency connection HF, in particular its supply line can take place.
- the dielectric hollow body HK is movably supported that it is driven by an AR drive wheel, that of an electric motor VM, designed for example as a stepper motor is rotated forwards or backwards, retracted and extended can be. He is on one side of the drive roller AR touches and on the opposite of the point of contact Side of the hollow body HK - for support - from touches a support wheel SR, so that the rotational movement of the drive wheel AR in a rectilinear movement of the hollow body HK implemented and thus a measure M with which the hollow body HK and the rod antenna SA overlap.
- an AR drive wheel that of an electric motor VM, designed for example as a stepper motor is rotated forwards or backwards, retracted and extended can be. He is on one side of the drive roller AR touches and on the opposite of the point of contact Side of the hollow body HK - for support - from touches a support wheel SR, so that the rotational movement of the drive wheel AR in a rectilinear movement of the hollow body
- the (step) angle and the direction of rotation are determined by the amount, the sign and / or the duration of a voltage (control signal) U ST applied to the electric motor VM.
- This voltage U ST is a signal (control signal) present at the output of a control unit (microprocessor) ⁇ P, the magnitude, sign and / or signal duration of which is dependent on the input variable EQ present at the control unit ⁇ P.
- the input variable EQ is provided by the means of registration provided determined.
- These detection means EFM can be designed in such a way that they have a directional coupler RK, which consists of a transmission signal a leading transmission power and a returning Decouples transmission power (this configuration of the detection means can also in the embodiment described in Figure 1 of the invention).
- the leading transmission power is then first of all first rectifier rectified and the rectified leading transmission power is then from a first Analog / digital converter converted into a first digital signal.
- the returning transmission power is from a second Rectifiers rectified and the rectified returning Then transmit power from a second analog / digital converter converted into a second digital signal.
- the digital signals are input to the control unit ⁇ P on, the control unit ⁇ P for example as (Micro) processor is designed with associated software.
- the processor ⁇ P checks the incoming digital signals, whether the signals each have an ideal value - no retrograde Transmission power or minimum returning transmission power and maximum forward transmission power - have reached.
- the processor ⁇ P first generates a first control signal U ST , so that the adjusting device VM retracts the hollow body, in particular based on the default value, or extends.
- the processor checks the input signals changed by this process - forward and returning transmission power - which are applied to the processor with regard to the ideal values to be achieved. If the values of the signals - forward and returning transmission power - have deteriorated with a view to reaching the ideal values, the direction of rotation of the means VM for adjusting the position of the dielectric hollow body HK is changed. This is achieved, for example, by reversing the sign of the signal U ST .
- the signal U ST is generated after the determination of the correct direction until the forward and returning transmission power have reached their ideal values.
- only one of the two variables - forward transmission power or returning transmission power P R - can be used as a control variable for this control loop, i.e. detected by the EFM means and by the processor ⁇ P when the ideal values are reached - minimum or no returning transmission power or maximum forwarding transmission power - be checked.
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
- FIGUR 1
- Mobile Funk-Sende-/Funk-Empfangseinrichtung mit Stabantenne, die von einem als geschlitzten Hohlzylinder ausgestalteten dielektrischen Körper umschlossen wird (in Schnittdarstellung), wobei der dielektrische Körper mit einem gesteuerten Elektromotor ein- und ausgefahren werden kann.
- FIGUR 2
- Mobile Funk-Sende-/Funk-Empfangseinrichtung mit Stabantenne, bei der ein als Stab ausgestalteter dielektrischer Körper parallel zur Antenne angeordnet wird, wobei der dielektrische Körper mit einem gesteuerten Elektromotor ein- und ausgefahren werden kann.
Claims (10)
- Mobile Funk-Sende-/Funk-Empfangseinrichtung (SE) mit folgenden Merkmalen:a) ein elektrisch wirksamer Antennenkörper, in dessen Nahfeld ein dielektrischer Körper beweglich gelagert ist,b) der dielektrischer Körper in dem Nahfeld des Antennenkörpers derart bewegt werden kann, daß das Überlappungsmaß (M), mit dem der dielektrische Körper und der elektrisch wirksame Antennenkörper im Nahfeld überlappen, verändert wird,c) Mittel (VM) zum Verstellen der Position des dielektrischen Körpers,d) Mittel (EFM) zum Erfassen von mindestens einer physikalischen, eine Funktion der Sende-/Empfangsqualität der Funk-Sende-/Funk-Empfangseinrichtung (SE) darstellenden, Größe (EQ),e) eine mit den Erfassungsmitteln (EFM) verbundene Regeleinrichtung (µP), die in Abhängigkeit von der Eingangsgröße (EQ) bzw. von den Eingangsgrößen (EQ) die Verstellmittel (VM) mittels mindestens eines Steuersignales (UST) solange steuert, bis das Überlappungsmaß (M) einen optimalen Wert der physikalischen, eine Funktion der Sende-/Empfangsqualität der Funk-Sende-/Funk-Empfangseinrichtung (SE) darstellenden, Größe (EQ) gewährleistet.
- Mobile Funk- Sende/Empfangseinrichtung (SE) nach Anspruch 1,
dadurch gekennzeichnet, daßa) der elektrisch wirksame Antennenkörper als Stabantenne (SA) ausgestaltet ist,b) der dielektrische Körper als Hohlkörper (HK) mit einem Schlitz, der parallel zur Längsachse des Hohlkörpers verläuft, ausgestaltet ist,c) der dielektrische Körper entlang der Längsachse der Stabantenne (SA) derart bewegbar ist, daß sich das Überlappungsmaß (M) aus der Differenz von maximaler elektrisch wirksamer Antennenlänge (lANT,MAX) der Stabantenne (SA) und einem von dem Hohlkörper (HK) umschlossenen abgedeckten Antennenlänge (lAB) der Stabantenne (SA) ergibt. - Mobile Funk- Sende/Empfangseinrichtung (SE) nach Anspruch 1,
dadurch gekennzeichnet, daßa) der elektrisch wirksame Antennenkörper als Stabantenne (SA) ausgestaltet ist,b) der dielektrische Körper als Stab (SB) ausgestaltet ist,c) der dielektrische Körper auf einer Längsseite der Stabantenne (SA) parallel zur Stabantenne (SA) derart bewegbar ist, daß sich ein Überlappungsmaß (M) aus der Differenz von maximaler elektrisch wirksamer Antennenlänge (lANT,MAX) der Stabantenne (SA) und einer von dem Stab (SB) auf der Längsseite abgedeckten Antennenlänge (lAB) der Stabantenne (SA) ergibt. - Mobile Funk- Sende/Empfangseinrichtung (SE) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,daß
das Verstellmittel (VM) mindestens ein Elektromotor ist. - Mobile Funk-Sende-/Funk-Empfangseinrichtung (SE) nach dem Anspruch 4,
dadurch gekennzeichnet, daß
der Elektromotor ein Schrittmotor ist. - Mobile Funk-Sende-/Funk-Empfangseinrichtung (SE) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
die Regeleinrichtung (µP) ein Prozessor mit einer für die Erzeugung des Steuersignals (UST) bzw. der Steuersignale (UST) ausgestalteten Software ist. - Mobile Funk-Sende-/Funk-Empfangseinrichtung (SE) nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
die Regeleinrichtung (µP) als Schaltwerk ausgestaltet ist. - Mobile Funk-Sende-/Funk-Empfangseinrichtung (SE) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
der dielektrische Körper (DK) aus Keramik ausgebildet ist. - Mobile Funk-Sende-/Funk-Empfangseinrichtung (SE) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
die Regeleinrichtung (µP) derart ausgestaltet ist, daß sie zu Beginn der Einstellung des Überlappungsmaßes (M), das Uberlappungsmaß (M) auf einen maximalen Wert einstellt. - Mobile Funk-Sende-/Funk-Empfangseinrichtung (SE) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
die Erfassungsmittel (EFM) derart ausgestaltet sind, daß sie eine vorlaufende Sendeleistung und/oder rücklaufende Sendeleistung eines Sendesignals erfassen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19943118A DE19943118A1 (de) | 1999-09-09 | 1999-09-09 | Mobile Funk-Sende-/Funk-Empfangseinrichtung mit abstimmbarer Antenne |
DE19943118 | 1999-09-09 | ||
PCT/DE2000/003077 WO2001018907A1 (de) | 1999-09-09 | 2000-09-06 | Mobile funk-sende-/funk-empfangseinrichtung mit abstimmbarer antenne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1218968A1 EP1218968A1 (de) | 2002-07-03 |
EP1218968B1 true EP1218968B1 (de) | 2004-04-21 |
Family
ID=7921368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00965835A Expired - Lifetime EP1218968B1 (de) | 1999-09-09 | 2000-09-06 | Mobile funk-sende-/funk-empfangseinrichtung mit abstimmbarer antenne |
Country Status (6)
Country | Link |
---|---|
US (1) | US6753819B1 (de) |
EP (1) | EP1218968B1 (de) |
CN (1) | CN1373917A (de) |
DE (2) | DE19943118A1 (de) |
ES (1) | ES2219398T3 (de) |
WO (1) | WO2001018907A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19959983C2 (de) * | 1999-12-13 | 2002-05-02 | Siemens Ag | Funk-Sende-/Funk-Empfangseinrichtung mit abstimmbarer Antenne |
JP2007293714A (ja) * | 2006-04-26 | 2007-11-08 | Toshiba Tec Corp | 無線通信装置及び印刷装置 |
WO2014029512A2 (en) | 2012-08-24 | 2014-02-27 | Alstom Technology Ltd | Sequential combustion with dilution gas mixer |
EP2837888A1 (de) | 2013-08-15 | 2015-02-18 | Alstom Technology Ltd | Sequentielle Verbrennung mit Verdünnungsgasmischer |
EP3136503B1 (de) * | 2015-08-31 | 2018-11-28 | Vodafone GmbH | Abstimmbare antenne für eine drahtloskommunikationsvorrichtung |
WO2017138371A1 (ja) * | 2016-02-10 | 2017-08-17 | ソニー株式会社 | 通信装置および方法、アンテナ装置、並びに、通信システム |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL209536A (de) * | 1956-04-26 | |||
US4490727A (en) * | 1979-10-18 | 1984-12-25 | Mobile Mark, Inc. | Adjustable top loaded antenna |
US5072230A (en) * | 1987-09-30 | 1991-12-10 | Fujitsu Ten Limited | Mobile telescoping whip antenna with impedance matched feed sections |
US5642121A (en) * | 1993-03-16 | 1997-06-24 | Innova Corporation | High-gain, waveguide-fed antenna having controllable higher order mode phasing |
JP2795825B2 (ja) * | 1995-06-30 | 1998-09-10 | エスエムケイ株式会社 | アンテナ装置 |
IL119973A0 (en) * | 1997-01-07 | 1997-04-15 | Galtronics Ltd | Helical antenna element |
JP3269458B2 (ja) * | 1998-07-06 | 2002-03-25 | 株式会社村田製作所 | アンテナ装置および送受信装置 |
-
1999
- 1999-09-09 DE DE19943118A patent/DE19943118A1/de not_active Withdrawn
-
2000
- 2000-09-06 CN CN00812707A patent/CN1373917A/zh active Pending
- 2000-09-06 DE DE50006179T patent/DE50006179D1/de not_active Expired - Fee Related
- 2000-09-06 WO PCT/DE2000/003077 patent/WO2001018907A1/de active IP Right Grant
- 2000-09-06 EP EP00965835A patent/EP1218968B1/de not_active Expired - Lifetime
- 2000-09-06 ES ES00965835T patent/ES2219398T3/es not_active Expired - Lifetime
- 2000-09-06 US US10/070,866 patent/US6753819B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1218968A1 (de) | 2002-07-03 |
US6753819B1 (en) | 2004-06-22 |
ES2219398T3 (es) | 2004-12-01 |
CN1373917A (zh) | 2002-10-09 |
DE19943118A1 (de) | 2001-04-05 |
DE50006179D1 (de) | 2004-05-27 |
WO2001018907A1 (de) | 2001-03-15 |
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