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WO2015011255A1 - Appareil et procédé de mesure d'appareils de téléphonie mobile - Google Patents

Appareil et procédé de mesure d'appareils de téléphonie mobile Download PDF

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Publication number
WO2015011255A1
WO2015011255A1 PCT/EP2014/066010 EP2014066010W WO2015011255A1 WO 2015011255 A1 WO2015011255 A1 WO 2015011255A1 EP 2014066010 W EP2014066010 W EP 2014066010W WO 2015011255 A1 WO2015011255 A1 WO 2015011255A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring
signals
terminals
signal
measurement
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.)
Ceased
Application number
PCT/EP2014/066010
Other languages
German (de)
English (en)
Inventor
Gottfried Holzmann
Albert Moser
Thomas Lutz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohde and Schwarz GmbH and Co KG
Original Assignee
Rohde and Schwarz GmbH and Co KG
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
Application filed by Rohde and Schwarz GmbH and Co KG filed Critical Rohde and Schwarz GmbH and Co KG
Priority to CN201480002931.3A priority Critical patent/CN104769995B/zh
Publication of WO2015011255A1 publication Critical patent/WO2015011255A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/06—Testing, supervising or monitoring using simulated traffic

Definitions

  • the invention relates to a measuring device and a measuring method for accurate and rapid measurement of mobile devices.
  • a measurement signal is generated and fed by means of a multiplexer successively several measuring terminals.
  • a further multiplexer resulting measured signals are successively fed to a receiver and
  • Patent Application EP 2 605 027 A2 such a measuring device.
  • the disadvantage of this is that when sequential
  • the invention is therefore based on the object
  • An inventive measuring device is used to measure mobile devices. It has a transmitting device for generating N measurement signals and a
  • the Interface device with at least N terminals for connection to mobile devices to be measured. Furthermore, the meter has a
  • Transmitting device and the receiving device with the interface device has a calibration device, which between the
  • the calibration device is preferably designed to be at least one generated by the transmitting device
  • the transmitting device has a
  • Signal generating means for generating a primary measurement signal and an amplifier for amplifying the primary measurement signal.
  • Transmission device preferably via a signal divider for dividing the amplified primary measurement signal to N.
  • the calibration device has a feed device for feeding one of the N
  • the measuring device is designed to close from the supplied one of the N measuring signals to the remaining N-1 measuring signals. Additionally or alternatively, the measuring device is designed to close from the supplied one of the N measuring signals to the remaining N-1 measuring signals. Additionally or alternatively, the measuring device is designed to close from the supplied one of the N measuring signals to the remaining N-1 measuring signals. Additionally or alternatively, the measuring device is designed to close from the supplied one of the N measuring signals to the remaining N-1 measuring signals. Additionally or alternatively, the
  • Calibration device via a level measuring point for measuring a level of one of the N measuring signals.
  • the measuring device is then designed to conclude from the measured level of the one measuring signal to the level of the remaining N-1 measuring signals.
  • the calibration device has N
  • Feeding device for supplying the N measuring signals to the receiving device. Additionally or alternatively, the calibration device then has N
  • the level measuring points or is the
  • the receiving device has a multiplexer for selecting an evaluation to be evaluated
  • the receiving device has
  • the meter has N first terminals and N second terminals for connecting N terminals of mobile devices.
  • the measuring device preferably has a switching device for switching between a connection of the merging device with the N first terminals and a connection of the merging device with the N second terminals. So it is possible to take a measurement at the N first
  • Connections to be re-measured with mobile devices After switching, the N first terminals can be re-populated while the N second terminals are being measured. This allows one
  • the switching device is designed such that either exactly the N first terminals or exactly the N second terminals with the
  • N measurement signals are generated and supplied by means of at least N terminals to be measured mobile devices. Resulting N signals are received and evaluated. The generated measuring signals and the signals generated by the mobile devices to be measured are combined at the terminals. Before measuring the mobile devices while a calibration is performed, in which the generated measurement signals first
  • Fig. 1 shows a first embodiment of the
  • Fig. 2 is a detail view of the first
  • Fig. 3 shows a second embodiment of the
  • Fig. 4 shows an embodiment of the invention
  • Fig. 1 is a first embodiment of the
  • the measuring device 1 includes a transmitting device 8, which is connected to a calibrating device 14. This, in turn, is provided with a merging device 15 connected, which in turn with a
  • Interface device 16 with a plurality of
  • Terminals 16a, 16b, 16c and 16d is connected. Furthermore, the calibration device is connected to a
  • the transmitting device 8 includes a signal generating device 10, which
  • the amplifier 11 is connected to a signal divider 12 which is connected to a plurality of attenuators 13a, 13b, 13c and 13d.
  • the attenuation devices 13a-13d are in each case with the calibration device 14
  • the calibration device 14 includes in this embodiment a plurality of
  • Calibration elements 14a, 14b, 14c and 14d are identical to Calibration elements 14a, 14b, 14c and 14d. Each of the
  • Calibration elements 14a-14d is with one of
  • Attenuators 13a-13d connected. On the exact structure of a calibration element 14a is discussed in more detail in Fig. 2.
  • the merging device 15 has a plurality of combiners 15a, 15b, 15c and 15d. Each of the combiners 15a-15d is connected to a calibration element 14a-14d. Furthermore, each of the combiners 15a-15d is connected to one of the terminals 16a-16d. The entirety of the connections 16a-16d forms the interface device 16.
  • the receiving device 9 has a multiplexer 18, which is connected to all calibration elements 14a-14d. Furthermore, the multiplexer 18 is connected to a receiver 17.
  • connections 16a-16d serve to connect the mobile devices 21a, 21b to be measured. In this one shown case are two to be measured
  • Mobile devices 21a, 21b connected by means of two terminals 16a, 16b and 16c, 16d with the meter 1.
  • each individual connection 16a-16d can also have its own mobile device to be measured
  • Mobile device are used.
  • the mobile devices 21a, 21b to be measured are first connected to the connections 16a-16d.
  • the signal generating device 10 generates a primary measurement signal, which is generated by the
  • Amplifier 11 is amplified.
  • the signal divider 12 divides it into N, in this case four, individual measurement signals, which are fed to the attenuators 13a-13d. These are adjustable. Thus, the levels of the individual measurement signals can be set very accurately.
  • the receiver 17 evaluates the feedback measurement signals. Additionally or alternatively, the levels of the measurement signals are measured by the calibration elements 14a-14d. A control device, not shown here, compares the measured levels with the desired levels of the measuring signals and adjusts the attenuators 13a-13d accordingly. In addition, on the basis of the 17 of the receiver measured signals, the correctness of the measurement signals
  • the measurement signals are transmitted from these to the terminals 16a-16d and from these to the to be measured
  • the mobile devices 21a, 21b to be measured generate signals which are received by the terminals 16a-16d and the combiners 15a-15d of the
  • Calibration device 14 and transmitted from these to the multiplexer 18 of the receiving device. Successively, the signals are measured by the receiver 17 of the receiving device 9.
  • FIG. 2 shows a detailed view of a calibration element 14a-14d from FIG. 1.
  • the calibration element 14a-14d has a first switch 30 and a second switch 31.
  • the switches 30, 31 together form a supply device 39 for supplying the signal generated by the transmitting device 8 to
  • the first switch 30 is connected to one of the attenuation devices 13a-13d of FIG. Furthermore, the first switch 30 is connected to one of the combiners 15a-15d. In addition, the first switch 30 is connected to a signal divider 32, which in turn is connected to the second switch 31. The second switch 31 is also connected to the
  • Combiner 15a-15d with which the first switch 30th connected, connected.
  • the second switch 31 is connected to the multiplexer 18 of FIG.
  • the first switch 30 serves to switch the terminal, which is connected to the attenuator 13a-13d, between the signal divider 32 and the combiner 15a-15d.
  • the second switch 31 serves to switch the connection to the multiplexer 18 between the signal divider 32 and the combiner 15a-15d.
  • the calibration element 14a-14d includes a detector 33 and a temperature control device 34. The detector 33 is connected to the signal divider 32
  • the temperature control device 34 is connected to the detector 33. An output signal of the detector is supplied to a control device, not shown.
  • the signal splitter 32, the detector 33 and the temperature control device 34 together form a level measuring point 38. If a calibration is to be performed, the first switch 30 connects the attenuation device 13a-13d to the signal splitter 32. Furthermore, the second switch 31 connects the signal splitter 32 with the multiplexer 18. A generated by the transmitting device measuring signal is thus supplied via the first switch to the signal splitter 32 and the second switch 31 of the receiving device. In addition, a defined part of the measurement signal is diverted from the signal splitter 32 and fed to the detector 33. This determines the level of the measuring signal.
  • the temperature control device 34 controls the temperature of the detector 33.
  • the measurement result of the detector 33 is supplied to the control device. If, on the other hand, a measurement of a mobile radio device is to be carried out, then the first switch 30 connects the transmitting device 8 to the merging device 15. The second switch 31 connects the
  • Fig. 3 is a second embodiment of the
  • Measuring device 1 according to the invention shown. In the following, only differences to the first embodiment shown in Fig. 1 are described. This one
  • illustrated measuring device 1 has a
  • Switching device 19 includes a plurality of switches 19a, 19b, 19c and 19d, which are each connected to a combiner 15a-15d of the merging device.
  • the measuring device 1 includes here an interface device 20, which a
  • the terminals 20a-20h are divided into first terminals 20a, 20b, 20c and 20d and second terminals 20e, 20f, 20g and 20h.
  • a first connection 20a-20d and a second connection 20e-20h are connected to a switch 19a-19d.
  • the switches 19a-19d are formed to switch simultaneously between the first terminals 20a-20d and the second terminals 20e-20h.
  • the purpose of the switching device 19 and the terminals 20a-20h is to increase the measuring speed of the measuring device 1.
  • first mobile devices to be measured are connected to first ports 20a-20d and a measurement is started. While the measurement is in progress, second mobile devices to be measured are connected to the second ports 20e-20h. As soon as the measurement of the first mobile devices to be measured has been completed, the switching device 19 switches over to the second connections 20e-20h.
  • the first terminals 20a-20d may be measured with third ones
  • Mobile devices are re-equipped. It is therefore not necessary to wait until the measurement is completed to equip the meter 1 with new mobile devices to be measured while no measurement is in progress.
  • Standstill time i. the time in the no measurement
  • Fig. 4 is an embodiment of the
  • a first step 40 mobile devices to be measured are connected by means of N connections to a measuring device.
  • a second step 41 the measuring device N
  • Measurement signals generated In a third step 42, the N measurement signals are measured by the measuring device. In a fourth step 43, the N measurement signals are the
  • a fifth step 44 signals generated by the mobile radio devices are measured.
  • a sixth step 45 simultaneously with the implementation of the fourth and fifth steps 43, 44, second mobile devices are connected to N second connections connected.
  • second mobile devices are connected to N second connections connected.
  • seventh step 46 between the first and second ports
  • Mobile devices are connected via a single connection or up to N ports. All features described above or features shown in the figures can be combined in any advantageous manner within the scope of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un appareil de mesure (1) servant à mesurer des appareils de téléphonie mobile (21a, 21b). L'appareil de mesure dispose d'un moyen d'émission (8) servant à générer N signaux de mesure et un moyen de réception (9) servant à recevoir N signaux résultants. En outre, il dispose d'une interface (16) comportant au moins N bornes (16a-16d) servant à la connexion d'appareils de téléphonie mobile (21a, 21b) à mesurer. En outre, l'appareil de mesure (1) dispose d'un moyen de jonction (15) servant à raccorder le moyen d'émission (8) et le moyen de réception (9) à l'interface (16). En outre, il dispose d'un moyen d'étalonnage (14) qui est monté entre le moyen d'émission (8) et le moyen de jonction (15) et entre le moyen de réception (9) et le dispositif de jonction (15). Ce moyen d'étalonnage est conçu pour transmettre au moins un signal de mesure généré par le moyen d'émission (8) au moyen de réception (9) et mesurer son niveau.
PCT/EP2014/066010 2013-07-25 2014-07-25 Appareil et procédé de mesure d'appareils de téléphonie mobile Ceased WO2015011255A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480002931.3A CN104769995B (zh) 2013-07-25 2014-07-25 用于测量移动无线电设备的测量设备以及测量方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013214523.3A DE102013214523B4 (de) 2013-07-25 2013-07-25 Messgerät und Messverfahren zum Vermessen von Mobilfunkgeräten
DE102013214523.3 2013-07-25

Publications (1)

Publication Number Publication Date
WO2015011255A1 true WO2015011255A1 (fr) 2015-01-29

Family

ID=51224955

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/066010 Ceased WO2015011255A1 (fr) 2013-07-25 2014-07-25 Appareil et procédé de mesure d'appareils de téléphonie mobile

Country Status (3)

Country Link
CN (1) CN104769995B (fr)
DE (1) DE102013214523B4 (fr)
WO (1) WO2015011255A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034843A1 (fr) * 2004-09-29 2006-04-06 Rohde & Schwarz Gmbh & Co. Kg Procede et systeme pour etalonner l'emission et/ou la reception d'appareils radiotelephoniques mobiles
US20100073220A1 (en) * 2008-09-23 2010-03-25 Infineon Technologies Ag Self calibration method for radio equipment with receive and transmit circuitry
EP2605027A2 (fr) * 2011-12-12 2013-06-19 Rohde & Schwarz GmbH & Co. KG Rallonge d'interrupteur et procédé d'étalonnage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101335576A (zh) * 2008-07-23 2008-12-31 北京创毅视讯科技有限公司 无线广播终端测试设备
CN101437261A (zh) * 2008-12-26 2009-05-20 北京五龙电信技术公司 移动通信终端射频测试系统
CN101577592B (zh) * 2009-03-05 2014-04-09 上海闻泰电子科技有限公司 一种射频测试系统及方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034843A1 (fr) * 2004-09-29 2006-04-06 Rohde & Schwarz Gmbh & Co. Kg Procede et systeme pour etalonner l'emission et/ou la reception d'appareils radiotelephoniques mobiles
US20100073220A1 (en) * 2008-09-23 2010-03-25 Infineon Technologies Ag Self calibration method for radio equipment with receive and transmit circuitry
EP2605027A2 (fr) * 2011-12-12 2013-06-19 Rohde & Schwarz GmbH & Co. KG Rallonge d'interrupteur et procédé d'étalonnage

Also Published As

Publication number Publication date
CN104769995B (zh) 2019-06-21
CN104769995A (zh) 2015-07-08
DE102013214523A1 (de) 2015-01-29
DE102013214523B4 (de) 2021-06-10

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