JP2015050544A - Mobile communication terminal testing device and mobile communication terminal testing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile communication terminal testing device and a mobile communication terminal testing method that can easily identify a cause of trouble in a mobile communication terminal.SOLUTION: A mobile communication terminal testing device 10 comprises: a trace log storage unit 13 that associates and stores a message which a pseudo base station 20 transmits or receives to/from a UE 1 with time information on time of transmission or reception as a trace log; a characteristic value acquisition unit 30 that acquires a characteristic value on the basis of setting information set by the pseudo base station 20 and transmission and reception signals; a characteristic value log storage unit 14 that associates and stores the characteristic value with time information on time of acquisition as a characteristic value log; and a display unit 16 that displays a graph or a message of the characteristic value in a DL or UL on the basis of the trace log and the characteristic value log by any of a linear time axial display mode to display on a linear time axis as reference, and a non-linear time axis display mode to display on a non-linear time axis by sorting and aligning messages in transmission and reception order.

Description

  The present invention relates to a mobile communication terminal test apparatus and a mobile communication terminal test method for testing a mobile communication terminal.

  Conventionally, a communication test apparatus described in Patent Document 1 is known as this type of test apparatus. Patent Document 1 describes communication from sequence information acquisition means for acquiring a communication sequence, signal physical quantity measurement means for detecting a physical quantity of a signal and outputting it as a detected value, power level of the detected value and presence / absence information of communication data. Level determining means for determining presence / absence of power and outputting as power log information, display means for displaying a sequence log, and a display of power log indicating the presence / absence of communication from the power log information in chronological order, and It is equipped with.

  With this configuration, the sequence log display and the power log display can be displayed side by side in chronological order, facilitating analysis of communication between the mobile communication terminal and the communication test apparatus, and further facilitating testing, evaluation, and the like. Is described.

JP 2006-33007 A

  However, in the thing of patent document 1, the display screen which showed the relationship between a sequence log and time, and the display screen which showed the relationship between power characteristics and time came to be displayed on another screen, There is a problem that it is difficult to understand the relationship between the three of the sequence log, time and power characteristics, and it is difficult to easily identify the cause of the malfunction of the mobile communication terminal.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a mobile communication terminal test apparatus and a mobile communication terminal test method that can easily identify the cause of a malfunction of a mobile communication terminal. And

  A mobile communication terminal test apparatus according to claim 1 of the present invention comprises a communication condition setting means (22) for setting a communication condition with a mobile communication terminal (1) to be tested, and a predetermined condition based on the communication condition. Transmission / reception means (23, 25) for transmitting / receiving a transmission / reception signal including a message, trace log storage means (13) for storing the message as a trace log in association with time information at the time of transmission / reception, and the communication condition setting means Characteristic value acquisition means (30) for acquiring a predetermined characteristic value related to the transmission / reception signal based on at least one of the set information and the transmission / reception signal, and associating the characteristic value with time information at the time of acquisition Characteristic value log storage means (14) for storing as a characteristic value log, a trace log stored by the trace log storage means, and the characteristic value log Based on the characteristic value log stored by the storage means, a graph showing the temporal change of the characteristic value in at least one of the downlink direction from the transmission / reception means to the mobile communication terminal and the reverse uplink direction, and the message Display mode of at least one of a linear time axis display mode for displaying on the linear time axis (72) and a non-linear time axis display mode for displaying the messages arranged in the order of transmission / reception and displaying them on the non-linear time axis (62) And display means (16) for displaying.

  With this configuration, the mobile communication terminal test apparatus according to claim 1 of the present invention includes a linear time axis display mode in which the display means displays a graph and a message indicating the temporal change of the characteristic value with reference to the linear time axis. Since messages are arranged in the order of transmission and reception and displayed in at least one of the non-linear time axis display modes that display in the non-linear time axis, the graph, message, and time between the three of the characteristic values are displayed. Can be displayed to the examiner in an easy-to-understand manner.

  Therefore, the mobile communication terminal test apparatus according to claim 1 of the present invention can indicate in an easy-to-understand manner in time series whether the cause is a characteristic value or a message when a failure occurs in the mobile communication terminal. Therefore, the cause of the malfunction of the mobile communication terminal can be easily identified.

  In the mobile communication terminal test apparatus according to claim 2 of the present invention, the characteristic value acquisition means acquires a plurality of predetermined characteristic values, and the characteristic value log storage means stores the characteristic values. The characteristic value log is stored in association with the time information at the time of acquisition, and the display means is configured to display the plurality of the display modes in at least one of the linear time axis display mode and the nonlinear time axis display mode. Among the characteristic values, a graph of at least one characteristic value and the message are displayed.

  With this configuration, the mobile communication terminal test apparatus according to claim 2 of the present invention provides at least one characteristic among a plurality of characteristic values in at least one of the linear time axis display mode and the nonlinear time axis display mode. Value graphs and messages can be displayed.

  In the mobile communication terminal test apparatus according to claim 3 of the present invention, the display means is a graph of desired characteristic values among the plurality of characteristic values along at least one of the linear time axis and the nonlinear time axis. Are displayed in a superimposed manner.

  With this configuration, the mobile communication terminal test apparatus according to claim 3 of the present invention can display a graph of desired characteristic values in a superimposed manner among a plurality of characteristic values.

  The mobile communication terminal test apparatus according to claim 4 of the present invention has a configuration in which the display means displays a graph of characteristic values of the same type in the downlink direction and the uplink direction.

  With this configuration, the mobile communication terminal test apparatus according to claim 4 of the present invention can display graphs of characteristic values of the same type in the downlink direction and the uplink direction.

  The mobile communication terminal test apparatus according to claim 5 of the present invention has a configuration in which the display means displays different types of characteristic value graphs in the downlink direction and the uplink direction.

  With this configuration, the mobile communication terminal test apparatus according to claim 5 of the present invention can display graphs of different types of characteristic values in the downlink direction and the uplink direction.

  The mobile communication terminal test apparatus according to claim 6 of the present invention has a configuration in which the display means displays a graph of characteristic values of only one of the downlink direction and the uplink direction.

  With this configuration, the mobile communication terminal test apparatus according to claim 6 of the present invention can display a graph of characteristic values of only one of the downlink direction and the uplink direction.

  In the mobile communication terminal test apparatus according to claim 7 of the present invention, the transmission / reception means transmits the message to the mobile communication terminal in at least one frequency band, and from the mobile communication terminal in at least one frequency band. The message receiving unit has a configuration in which the display unit is configured to identify and display each frequency band in which the transmission / reception unit transmits and receives the message.

  With this configuration, the mobile communication terminal test apparatus according to claim 7 of the present invention can identify and display each frequency band in which the transmission / reception means transmits and receives a message, so that the tester can easily understand the frequency band.

  A mobile communication terminal test method according to claim 8 of the present invention is a mobile communication terminal test method for testing a mobile communication terminal using the mobile communication terminal test apparatus according to claim 1, wherein A communication condition setting step (S12) for setting communication conditions between them, a transmission / reception step (S13, S14) for transmitting / receiving a transmission / reception signal including a predetermined message based on the communication conditions, and time information at the time of transmission / reception of the message A trace log storage step (S16) for storing as a trace log in association with a predetermined characteristic value related to the transmission / reception signal based on at least one of the setting information set in the communication condition setting step and the transmission / reception signal A characteristic value acquisition step (S17) to be acquired, and the characteristic value is associated with time information at the time of acquisition. Based on the characteristic value log storage step (S18) stored as a characteristic value log, the trace log stored in the trace log storage step, and the characteristic value log stored in the characteristic value log storage step, the mobile communication unit transmits the mobile communication. A linear time-axis display mode for displaying a graph indicating the temporal change of the characteristic value in at least one of the downlink direction toward the terminal and the reverse uplink direction and the message and the message on the basis of the linear time axis and the message transmission / reception And a display step (S20, S21) for displaying in at least one of the non-linear time axis display modes arranged in order and displayed on the non-linear time axis.

  With this configuration, in the mobile communication terminal test method according to claim 8 of the present invention, in the display step, the linear time axis display mode for displaying the graph and the message indicating the temporal change of the characteristic value with reference to the linear time axis. Are displayed in at least one of the non-linear time axis display modes in which the messages are arranged in the order of transmission and reception and displayed on the non-linear time axis, so the graph, message and time showing the temporal change of the characteristic value The relationship between them can be displayed to the examiner in an easy-to-understand manner.

  Therefore, in the mobile communication terminal test method according to claim 8 of the present invention, when a failure occurs in the mobile communication terminal, it is possible to clearly indicate in time series whether the cause is the characteristic value or the message. Therefore, the cause of the malfunction of the mobile communication terminal can be easily identified.

  The present invention can provide a mobile communication terminal test apparatus and a mobile communication terminal test method having an effect that the cause of the malfunction of the mobile communication terminal can be easily specified.

It is a block block diagram in one Embodiment of the mobile communication terminal test device which concerns on this invention. It is the figure which represented the graph and message which show the time change of the electric power in DL and UL in nonlinear time-axis display mode in one Embodiment of the mobile communication terminal test device based on this invention. It is the figure which represented the graph and message which show the time change of the electric power in DL and UL in linear time-axis display mode in one Embodiment of the mobile communication terminal test device which concerns on this invention. It is a flowchart in one Embodiment of the mobile communication terminal test apparatus which concerns on this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  First, the configuration of an embodiment of a mobile communication terminal test apparatus according to the present invention will be described.

  As shown in FIG. 1, the mobile communication terminal test apparatus 10 in the present embodiment communicates with a test target mobile communication terminal (hereinafter “UE”) 1 based on a predetermined communication standard, and tests the UE 1. ing. Examples of communication standards include W-CDMA (Wideband Code Division Multiple Access), GSM (registered trademark) (Global System for Mobile Communications), LTE (Long Term Evolution), LTE-A (LTE-Advanced), and the like. In the present embodiment, it is assumed that the mobile communication terminal test apparatus 10 uses LTE (Long Term Evolution) as a communication standard.

  The mobile communication terminal test apparatus 10 includes a pseudo base station 20, a characteristic value acquisition unit 30, a time generation unit 11, a trace log generation unit 12, a trace log storage unit 13, a characteristic value log storage unit 14, a display control unit 15, and a display unit. 16 and an operation unit 17 are provided. The mobile communication terminal test apparatus 10 is composed of, for example, a CPU, RAM, ROM, hard disk drive, etc., and operates according to a program stored in advance in the ROM.

  The pseudo base station 20 includes a test scenario storage unit 21, a control unit 22, a transmission unit 23, a combiner 24, and a reception unit 25. The control unit 22 constitutes communication condition setting means according to the present invention. The transmission unit 23 and the reception unit 25 constitute transmission / reception means according to the present invention.

  The test scenario storage unit 21 stores a test scenario registered by a tester in order to test the UE1. The test scenario refers to a test procedure and a communication sequence for the test described.

  Based on the test scenario stored in the test scenario storage unit 21, the control unit 22 determines the communication condition with the UE1 as a communication path (DL) in the direction from the pseudo base station 20 to the UE1 and vice versa. (UL) is set. For example, the control unit 22 sets the number of component carriers in DL and UL, the frequency of each component carrier, the number of resource blocks (RB), the transmission frequency in DL, the reception frequency in UL, and the like.

  In addition, the control unit 22 outputs the set information as setting information to the characteristic value acquisition unit 30. Further, the control unit 22 outputs setting information related to transmission among the setting information to the transmission unit 23, and outputs a predetermined message to the transmission unit 23 based on the test scenario stored in the test scenario storage unit 21. It has become.

  The transmission unit 23 includes the message from the control unit 22 in a transmission signal (RF signal) having RF (radio frequency) under the transmission condition based on the setting information, and transmits the message to the UE 1 via the coupler 24. Yes.

  The combiner 24 transmits the RF signal from the transmission unit 23 to the UE 1, receives the response signal from the UE 1, and outputs the response signal to the reception unit 25.

  The receiving unit 25 converts the RF signal received from the UE 1 into a baseband signal, decodes it, performs layer processing, and outputs data obtained thereby to the control unit 22. The receiving unit 25 is configured to output the received waveform data of the baseband signal to the characteristic value acquiring unit 30. Here, the data output to the control unit 22 includes messages transmitted from the UE 1 in time series. The control unit 22 outputs data including these time series messages to the trace log generation unit 12 as trace data.

  The characteristic value acquisition unit 30 includes a UL acquisition unit 40 that acquires a characteristic in the UL based on at least one of setting information set by the control unit 22, a transmission signal of the transmission unit 23, and a reception signal of the reception unit 25. And a DL acquisition unit 50 for acquiring characteristics in the DL. The characteristic value acquisition unit 30 constitutes characteristic value acquisition means according to the present invention.

  The UL acquisition unit 40 includes a reception power measurement unit 41, a reception frequency acquisition unit 42, an EPRE (Energy Per Resource Element) measurement unit 43, and an EVM (Error Vector Magnitude) measurement unit 44. Here, EPRE indicates the power for each resource element, and EVM indicates the modulation accuracy.

  The reception power measurement unit 41 measures reception power from reception waveform data from the reception unit 25, for example, for each RB. As a result, the characteristic value acquisition unit 30 acquires received power.

  The reception frequency acquisition unit 42 acquires reception frequency data from the setting information from the control unit 22.

  The EPRE acquisition unit 43 calculates EPRE (UL) indicating the received power for each resource element in the UL based on [Equation 1]. The EPRE acquisition unit 43 can acquire the received power data of the entire received waveform (total) from the received power measurement unit 41 and can acquire the RB count data from the setting information from the control unit 22. The number of RBs is included in a setting value set by the control unit 22, and 1 RB includes 12 resource elements.

[Equation 1]
EPRE (UL) = total received power / (number of RBs × 12)

  The EVM measuring unit 44 measures the EVM from the received waveform data from the receiving unit 25 for each RB, for example. As a result, the characteristic value acquisition unit 30 acquires the EVM.

  The DL acquisition unit 50 includes a transmission power measurement unit 51, a transmission frequency acquisition unit 52, and an EPRE acquisition unit 53.

  The transmission power measuring unit 51 measures the transmission power from the output signal of the transmission unit 23 for each RB, for example. The transmission power measurement unit 51 may be configured to acquire transmission power data from the setting information from the control unit 22.

  The transmission frequency acquisition unit 52 acquires transmission frequency data from the setting information from the control unit 22.

  The EPRE acquisition unit 53 calculates EPRE (DL) indicating transmission power for each resource element in DL based on [Equation 2]. The EPRE acquisition unit 53 can acquire the transmission power data of the entire transmission waveform (total) from the transmission power measurement unit 51 and can acquire the RB count data from the setting information from the control unit 22.

[Equation 2]
EPRE (DL) = total transmission power / (number of RBs × 12)

  The time generation unit 11 generates time information and outputs it to the trace log generation unit 12 and the characteristic value acquisition unit 30. This time information is information expressed in absolute time or information indicating an elapsed time from a predetermined absolute time.

  The trace log generation unit 12 generates the trace data output from the control unit 22 as a trace log, and outputs it to the trace log storage unit 13 in association with the time information at the time of generation.

  The trace log storage unit 13 stores the trace log generated by the trace log generation unit 12 in association with the time information at the time of generation. The trace log storage unit 13 constitutes a trace log storage unit according to the present invention.

  The characteristic value log storage unit 14 stores each characteristic value acquired by the characteristic value acquisition unit 30 as a characteristic value log in association with time information at the time of acquisition. The characteristic value log storage unit 14 constitutes characteristic value log storage means according to the present invention.

  The display control unit 15 controls the display unit 16 to display a predetermined screen based on the trace log stored in the trace log storage unit 13 and the characteristic value log stored in the characteristic value log storage unit 14. It has become.

  Specifically, the display control unit 15 includes a linear time axis display mode for displaying a graph and a message indicating a predetermined characteristic value in at least one of DL and UL with reference to the linear time axis, and messages in the order of transmission and reception. The display unit 16 is controlled to display in at least one of the non-linear time axis display modes arranged side by side and displayed on the non-linear time axis.

  The display unit 16 is configured by a liquid crystal display, for example, and displays a predetermined screen under the control of the display control unit 15. The display unit 16 constitutes display means according to the present invention.

  The operation unit 17 is operated by a tester. For example, a keyboard, a dial, or a dial for performing test conditions including setting of a test scenario, setting related to screen operation of the display unit 16 through the display control unit 15, and the like. An input device such as a mouse, a control circuit for controlling these devices, and the like are included.

  Next, a display example of the test result display screen displayed by the display unit 16 in the present embodiment will be described with reference to FIGS. FIG. 2 shows an example in which the display unit 16 displays a graph and a message indicating temporal changes in power in DL and UL as the test result display 60 in the non-linear time axis display mode. FIG. 3 shows an example in which the display unit 16 displays a graph and a message indicating power in DL and UL as the test result display 70 in the linear time axis display mode.

  The test result display 60 in the non-linear time axis display mode shown in FIG. 2 is a test result display displayed with a message as a reference, a graph display area 61 for displaying a graph of a predetermined characteristic value, and a Message (message). A column 66 and a description column 67 are included. The display area of the test result display 60 can be arbitrarily changed by the tester operating the cursor 68 via the operation unit 17.

  In the graph display area 61, a non-linear time axis 62, a graph display unit 63, a long broken line arrow 64 indicating the transmission direction of the DL message, and a short broken line arrow 65 indicating the transmission direction of the UL message are displayed. Symbols “UE” and “SS” represent UE1 and pseudo base station 20, respectively. In addition, “UL Power” and “SS Power” represent power in UL (reception power) and power in DL (transmission power), respectively.

  In the Message column 66, messages transmitted / received between the UE 1 and the pseudo base station 20 are arranged in the order of transmission / reception. A description field 67 describes the message. Generally, since the transmission / reception time intervals of messages are not constant, the transmission / reception times of these messages are displayed on the non-linear time axis 62. In the example shown in FIG. 2, the time scale is attached to the non-linear time axis 62 every 10 msec. However, since the messages are arranged in the order of transmission and reception, the time intervals of the time scale are not constant but different from each other. Yes.

  In the example shown in FIG. 2, on the SS side (DL side) of the graph display region 61, the component carriers in the two frequency bands (820 MHz and 850 MHz) identified and displayed using the nonlinear time axis 62 are used. The transmission power graph is displayed. On the other hand, on the UE side (UL side) of the graph display area 61, a graph of received power in each component carrier in the two frequency bands (900 MHz and 930 MHz) identified and displayed is displayed using the nonlinear time axis 62. It is. From the display of the graph display area 61, the time given to the non-linear time axis 62, and the description content of the Message column 66, the tester can use the message as a reference to change the amount of transmission power or reception power, the message, and the time. Can easily grasp the relationship

  The test result display 70 in the linear time axis display mode shown in FIG. 3 is a test result display displayed based on time, a graph display area 71 for displaying a graph of a predetermined characteristic value, and a Message (message). A column 76 and a description (description) column 77 are included. The display area of the test result display 70 can be arbitrarily changed by the tester operating the cursor 78 via the operation unit 17.

  In the graph display area 71, a linear time axis 72, a graph display unit 73, a long broken line arrow 74 indicating the transmission direction of the DL message, and a short broken line arrow 75 indicating the transmission direction of the UL message are displayed.

  In the Message column 76, messages transmitted / received between the UE1 and the pseudo base station 20 are arranged in the order of transmission / reception. In the Description column 77, an explanation of the message is described. In general, the message transmission / reception time interval is not constant, but if the transmission / reception time of these messages is used as a reference, the message can be displayed using the linear time axis 72 as shown in FIG. In the example shown in FIG. 3, the time scale is attached to the linear time axis 72 every 10 msec. However, since the messages are arranged based on the transmission / reception time of the message, the time intervals of the time scale are the same as each other. It has become.

  In the example shown in FIG. 3, the SS side (DL side) of the graph display area 71 is used for each component carrier in the two frequency bands (820 MHz and 850 MHz) identified and displayed using the linear time axis 72. The transmission power is displayed. On the other hand, on the UE side (UL side) of the graph display area 71, the received power at each component carrier in the two identified frequency bands (900 MHz and 930 MHz) is displayed using the linear time axis 72. . From the display of this graph display area 71, the time given to the linear time axis 72, and the description content of the Message column 77, the tester can change the transmission power or the reception power, the message, and the time based on the time. Can easily grasp the relationship

  The display unit 16 can switch and display the test result display 60 shown in FIG. 2 and the test result display 70 shown in FIG. 3 by operating the tester operation unit 17.

  In the nonlinear time axis display mode shown in FIG. 2 and the linear time axis display mode shown in FIG. 3, the power in DL and UL is given as an example of the characteristic value, but the present invention is not limited to this. A desired graph of each characteristic value acquired by the characteristic value acquisition unit 30 can be displayed on the display unit 16.

  For example, the display unit 16 may be configured to display only the EVM graph in the UL as the characteristic value graph, or may be configured to display only the EPRE graph in the DL. For example, the display unit 16 may be configured to simultaneously display an EVM graph in the UL and an EPRE graph in the DL as the characteristic value graph. Further, for example, the display unit 16 may be configured to display the UL received power and the EVM as a characteristic value graph, and simultaneously display the EPRE graph in the DL.

  Next, the operation of the mobile communication terminal test apparatus 10 in this embodiment will be described with reference to FIG.

  The test scenario storage unit 21 stores the test scenario set by the operation of the tester's operation unit 17 (step S11).

  The control unit 22 reads the test scenario from the test scenario storage unit 21, sets communication conditions with the UE 1 based on the read test scenario (step S12), and sets predetermined information based on the setting information related to transmission and the test scenario. Is output to the transmitter 23.

  The transmission unit 23 includes the message from the control unit 22 in the RF signal under the transmission condition based on the setting information and transmits the message to the UE 1 via the coupler 24 (step S13).

  The receiving unit 25 receives a message in response to the message transmitted by the transmitting unit 23 from the UE 1 via the coupler 24 (Step S14).

  The receiving unit 25 converts the RF signal received from the UE 1 into a baseband signal, outputs the received message to the control unit 22 in time series, and outputs the received waveform data of the baseband signal to the characteristic value acquisition unit 30 To do. The control unit 22 outputs data including time-series messages to the trace log generation unit 12 as trace data.

  The trace log generation unit 12 generates the trace data output from the control unit 22 as a trace log (step S15), and outputs it to the trace log storage unit 13 in association with the time information at the time of generation.

  The trace log storage unit 13 stores the trace log generated by the trace log generation unit 12 in association with the time information at the time of generation (step S16).

  The characteristic value acquisition unit 30 acquires each characteristic value based on at least one of the setting information set by the control unit 22, the transmission signal of the transmission unit 23, and the reception signal of the reception unit 25 (step S17).

  The characteristic value log storage unit 14 stores each characteristic value acquired by the characteristic value acquisition unit 30 as a characteristic value log in association with time information at the time of acquisition (step S18).

  The display control unit 15 determines which one of the non-linear time axis display mode and the linear time axis display mode is selected by the tester operating the operation unit 17 (step S19).

  If the display control unit 15 determines that the nonlinear time axis display mode is selected, the display control unit 15 displays the test result in the nonlinear time axis display mode (step S20).

  On the other hand, if the display control unit 15 determines that the linear time axis display mode is selected, the display control unit 15 displays the test result in the linear time axis display mode (step S21).

  As described above, the mobile communication terminal test apparatus 10 according to the present embodiment has the linear time axis display mode in which the display unit 16 displays the graph and the message indicating the temporal change in the characteristic value with the linear time axis 72 as a reference. Since the messages are arranged in the order of transmission / reception and displayed in at least one of the non-linear time-axis display modes in which the non-linear time-axis display mode is displayed, the graph, message, and time of the characteristic value change over time are displayed. The relationship between the testers can be easily displayed to the tester.

  Therefore, the mobile communication terminal test apparatus 10 according to the present embodiment can easily indicate in time series whether the cause is a characteristic value or a message when a failure occurs in the mobile communication terminal. The cause of the malfunction of the communication terminal can be easily identified.

  As described above, the mobile communication terminal test apparatus and the mobile communication terminal test method according to the present invention have the effect of easily identifying the cause of the malfunction of the mobile communication terminal, and the mobile communication terminal is tested. It is useful as a communication terminal test apparatus and a mobile communication terminal test method.

1 UE (mobile communication terminal)
DESCRIPTION OF SYMBOLS 10 Mobile communication terminal test apparatus 11 Time generation part 12 Trace log generation part 13 Trace log storage part (trace log storage means)
14 characteristic value log storage unit (characteristic value log storage means)
15 Display Control Unit 16 Display Unit (Display Unit)
17 Operation unit 20 Pseudo base station 21 Test scenario storage unit 22 Control unit (communication condition setting means)
23 Transmitter (transmission / reception means)
24 coupler 25 receiver (transmission / reception means)
30 characteristic value acquisition unit (characteristic value acquisition means)
41 reception power measurement unit 42 reception frequency acquisition unit 43 EPRE acquisition unit 44 EVM measurement unit 51 transmission power measurement unit 52 transmission frequency acquisition unit 53 EPRE acquisition unit 60 test result display 62 nonlinear time axis 70 test result display 72 linear time axis

Claims (8)

Communication condition setting means (22) for setting communication conditions with the mobile communication terminal (1) to be tested;
Transmission / reception means (23, 25) for transmitting / receiving a transmission / reception signal including a predetermined message based on the communication condition;
Trace log storage means (13) for storing the message as a trace log in association with time information at the time of transmission and reception;
Characteristic value acquisition means (30) for acquiring a predetermined characteristic value related to the transmission / reception signal based on at least one of the setting information set by the communication condition setting means and the transmission / reception signal;
A characteristic value log storage unit (14) for storing the characteristic value as a characteristic value log in association with time information at the time of acquisition;
Based on the trace log stored by the trace log storage unit and the characteristic value log stored by the characteristic value log storage unit, at least one of a downlink direction from the transmission / reception unit to the mobile communication terminal and vice versa A linear time axis display mode in which a graph showing the time-dependent change of the characteristic value and the message are displayed on the basis of the linear time axis (72) and the messages are arranged in the order of transmission and reception and displayed on the non-linear time axis (62) Display means (16) for displaying in at least one display mode of the non-linear time axis display mode
A mobile communication terminal test apparatus. The characteristic value acquisition unit acquires a plurality of predetermined characteristic values,
The characteristic value log storage means stores each characteristic value as a characteristic value log in association with time information at the time of acquisition,
The display means displays a graph of at least one characteristic value of the plurality of characteristic values and the message in at least one of the linear time axis display mode and the nonlinear time axis display mode. The mobile communication terminal test apparatus according to claim 1, wherein the mobile communication terminal test apparatus is provided.   The display means is characterized in that a graph of a desired characteristic value among the plurality of characteristic values is superimposed and displayed along at least one of the linear time axis and the non-linear time axis. 2. The mobile communication terminal test apparatus according to 2.   4. The mobile communication terminal according to claim 1, wherein the display unit displays a graph of characteristic values of the same type in the downlink direction and the uplink direction. 5. Test equipment.   The mobile communication according to any one of claims 1 to 3, wherein the display means displays graphs of different types of characteristic values in the downlink direction and the uplink direction. Terminal test equipment.   The movement according to any one of claims 1 to 3, wherein the display means displays a graph of the characteristic value of only one of the down direction and the up direction. Communication terminal test equipment. The transmitting / receiving means transmits the message to the mobile communication terminal in at least one frequency band, and receives a message from the mobile communication terminal in at least one frequency band,
The mobile communication terminal test according to any one of claims 1 to 6, wherein the display means identifies and displays each frequency band in which the transmission / reception means transmits and receives the message. apparatus. A mobile communication terminal test method for testing a mobile communication terminal using the mobile communication terminal test apparatus according to claim 1,
A communication condition setting step (S12) for setting a communication condition with the mobile communication terminal to be tested;
A transmission / reception step (S13, S14) for transmitting / receiving a transmission / reception signal including a predetermined message based on the communication condition;
A trace log storage step (S16) for storing the message as a trace log in association with time information at the time of transmission and reception;
A characteristic value acquisition step (S17) for acquiring a predetermined characteristic value related to the transmission / reception signal based on at least one of the setting information set in the communication condition setting step and the transmission / reception signal;
A characteristic value log storage step (S18) for storing the characteristic value as a characteristic value log in association with time information at the time of acquisition;
Based on the trace log stored in the trace log storage step and the characteristic value log stored in the characteristic value log storage step, at least one of the downlink direction from the transmission / reception means to the mobile communication terminal and vice versa A linear time axis display mode for displaying the graph showing the time-dependent change of the characteristic value and the message on the basis of a linear time axis, and a non-linear time axis display mode for arranging the messages in the order of transmission and reception and displaying them on the non-linear time axis A display step (S20, S21) for displaying in at least one of the display modes;
The mobile communication terminal test method characterized by including.

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