Abstract: To provide a mobile communication terminal test device and a mobile communication terminal test method capable of displaying the theoretical value of a packet transmission rate. A mobile communication terminal test device 1 includes a pseudo base station device 10 that is connected between a mobile communication terminal 5, which is a test target, and a virtual connection device 20, a table storage device 30 that stores various tables, a parameter input unit 50 that inputs information about TM, MCS, and NRB, a TBS acquiring unit 41 that acquires TBS on the basis of the input information and various tables stored in the table storage device 30, a packet transmission rate calculating unit 43 that calculates the theoretical value of the packet transmission rate from TBS, and a display unit 93 that displays the theoretical value of the packet transmission rate.

Abstract: Four (=M) transmission information signals are output from transmission information generating unit to linear transform unit, where they are transformed into synthesis signals by linear transform expressed by multiplication by a 2×4 matrix having complex numbers as elements. Signal processors perform signal processing corresponding to the modulation technique of test target on synthesis signals. On the resultant signals, 2×2 channel processing unit performs 2×2 pseudo channel processing, thereby forming equivalent M×N channels. Parameter setting unit sets information necessary to acquire desired M×N channel characteristics as the synthesis characteristics of linear transform unit and N×N channel processing unit.

Abstract: The present invention relates to a test system for displaying log information about the communication of a plurality of pseudo-base stations such that each pseudo-base station can be identified. A mobile communication terminal test system includes a display device which is connected to a plurality of pseudo-base station apparatuses through a network, receives a packet transmitted from each of the plurality of pseudo-base station apparatuses, and displays a communication log between layers on a display unit on the basis of log data included in the packet. The display device includes an information storage unit that stores information associated with the address of each of the plurality of pseudo-base station apparatuses in advance and a log data storage unit that stores the log data such that the pseudo-base station apparatus which has performed the communication can be identified.

Abstract: The object of the present invention is to provide a mobile terminal tester which can reduce the production cost from that of the conventional mobile terminal tester.

Abstract: To provide a mobile terminal test apparatus and a mobile terminal test method capable of setting the setting items more easily and more accurately than in the related art and testing mobile terminals. A mobile terminal test apparatus 10 includes a registered item display screen control unit 32 that performs a display control operation of displaying a registered item display screen including registered items, a history display screen control unit 33 that performs a display control operation of displaying a history display screen for displaying the history of the setting items set in the past and test parameter values, and a setting item display processing unit 35 that performs at least one of a process related to the display order of the setting items and a process related to the deletion of the setting items.

Abstract: A mobile terminal testing device includes a reproduction unit that reproduces a BB signal to output at least one reproduced BB signal, an adder that adds a BB signal that are frequency-shifted and a reproduced BB signal to output an added BB signal, an up-converter that generates a multicarrier test signal by making a frequency conversion of the added BB signal of an I phase and Q phase and outputs the multicarrier test signal to UE, and an analyzer that analyzes a response signal output by the UE in response to the multicarrier test signal and the analyzer includes a throughput calculation unit that calculates throughput for the multicarrier test signal and an RSRP acquisition unit that acquires RSRP.

Abstract: A test device 50 includes a message processing unit 53 capable of generating a message to be transmitted to a mobile communication terminal 10 that is a test subject, according to a test scenario, a layer processing unit 54 that processes data of the generated message for each layer, a communication unit 55 capable of transmitting data of the message processed by the layer processing unit to the mobile communication terminal, a log data generation unit 56 that generates as log data, and a specific message processing unit 51 that specifies log data in downlink related to a designated log and outputs communication data included in the specified log data as specific communication data to the layer processing unit, in which the test device 50 outputs the specific communication data from the communication unit to the mobile communication terminal through the layer processing unit.

Abstract: To reduce the load of a communication process performed between pseudo base stations of different communication standards. An LTE pseudo base station unit 3 includes: an LTE message processing unit 3b that transmits broadcast information including base station information about a C2K pseudo base station unit 4 to a mobile communication terminal 10, which is a test target, extracts location registration request message information from data when receiving the data including the location registration request message information as response message information to the transmitted broadcast information, and outputs the location registration request message information; and a specific C2K message processing unit 3c that outputs the location registration request message information as response message information when receiving the location registration request message information from the LTE message processing unit 3b.

Abstract: To provide a signal generating device and a signal generating method capable of correcting the frequency characteristics of the level of a broadband radio-frequency signal. A signal generating device 10 includes a waveform data storage unit 11 that stores waveform data of a baseband signal, a quadrature modulator 20 that generates a modulation signal from the baseband signal, a local oscillator 31 that generates a local oscillation signal, a multiplier 32 that multiplies the modulation signal and the local oscillation signal to generate a radio-frequency signal in a predetermined frequency band, a frequency characteristic correction value determining unit 50 that acquires the frequency characteristics of the signal level of the frequency band on the basis of the center frequency of the radio-frequency signal, and a DF 12 that corrects the frequency characteristics of the level of the baseband signal.

Abstract: To enable addition or changes of functions with changes of communication standards in a mobile communication terminal test system. A mobile communication terminal test system includes a transceiver which has a control unit configured to append input information to acquired waveform data, a signal analysis unit which executes an analysis program, and a signal analyzer which is provided separately from the transceiver. The analysis program has a processing program which is provided for each type of arithmetic processing on the waveform data, a control program which is provided for each communication system, selects one or more processing programs for each test item, and executes the processing programs, and a switching program which specifies a communication system and a test item on the basis of the input information, and selects and executes a control program.

Abstract: A differential terminal 21a is connected to a branch line 33a which is provided in the main line close to the differential terminal 21a in the range from the intersection portion 39a to a start terminal on the line. A differential terminal 21b is connected to a branch line 37a which is provided in the main line close to the differential terminal 21b in the range from the intersection portion 39a to an end terminal on the line. A differential terminal 22a is connected to a branch line 33b which is provided in the main line close to the differential terminal 22a in the range from the intersection portion 39b to the start terminal. A differential terminal 22b is connected to a branch line 37b which is provided in the main line close to the differential terminal 22b in the range from the intersection portion 39b to the end terminal.

Abstract: Provided is a technique capable of accurately calculating the radiation power of an object to be measured using a spheroidal coupler even when there is a non-negligible loss in a measurement system. A phase rotating unit including a variable phase shifter, a two-branch circuit, and a reflective element that is connected to one of the branched outputs of the two-branch circuit is inserted between a receiving antenna and a power measuring device. The maximum value and the minimum value of power measured by a power measuring device when the variable phase shifter changes a phase are calculated. An output reflection coefficient of a coupler is calculated from the ratio of the maximum value to the minimum value, and an input reflection coefficient of an object to be measured which is approximate to the output reflection coefficient is estimated. In addition, an input reflection coefficient of a reference antenna which is used instead of the object to be measured is estimated in the same way.

Abstract: A carrier aggregation testing method for a wireless communication system, includes the steps of allocating a primary component carrier between a User Equipment and a carrier aggregation testing apparatus being configured to act as a Base Station with regard to the User Equipment, allocating at least one functionally limited secondary component carrier between the User Equipment and the carrier aggregation testing apparatus, aggregating the at least one functionally limited secondary component carrier with the primary component carrier, executing a carrier aggregation test being based on a functionality of the at least one functionally limited secondary component carrier.

Abstract: A transmission line which allows electromagnetic waves in a predetermined frequency range of a millimeter waveband to propagate in a TE10 models formed by a first waveguide and a second waveguide. A resonator is formed by electric wave half mirrors fixed to the first waveguide and the second waveguide. The second waveguide has a structure in which a first transmission line forming body has a plate shape and has a square hole forming the first transmission line formed to pass therethrough from one surface toward an opposite surface, a second transmission line forming body has a plate shape and has a square hole forming the second transmission line formed to pass therethrough from one surface toward an opposite surface, and the first transmission line forming body and the second transmission line forming body are connectable and separable.

Abstract: A test apparatus for a mobile communication terminal is provided with a pseudo base station and display and control units. The control unit includes a analysis unit and a tag addition unit. The analysis unit acquires and analyzes the messages from the base station to take out information from the messages. The tag addition unit detects a group of series messages which have a mutual association and are consecutive in time sequence among the messages analyzed and to add a tag for identifying each group of messages to a detected group of messages. The control unit displays the tag together with the series of messages so as to identify the respective groups of messages.

Abstract: A fading simulator includes a transition time setting means that sets up a predetermined transition time, at the time of switching of a fading setting using a fading parameter, between the fading setting before switching and the fading setting after switching, and a smoothing processing means that smoothly changes a value before the switching to a value after the switching with respect to at least one of a delay parameter, a Doppler effect parameter and a path loss parameter, during the transition time.

Abstract: In an emphasis optimization device, a calculating unit calculates an inverse characteristic of an amplitude characteristic based on the amplitude characteristic of a transmission path, and an inverse Fourier transform unit performs an inverse Fourier transform on the inverse characteristic to obtain an impulse response. An extracting unit extracts, from the obtained impulse response, an impulse response corresponding to the number of taps necessary for emphasis to be added to a digital signal to be transmitted on the transmission path. An emphasis amount calculating unit converts the extracted impulse response into a value of the emphasis to calculate an emphasis amount.

Abstract: There are provided a photodiode 11, an inverting amplifier 12 which includes an operational amplifier 12a and a first resistor 12b, a second resistor 21 which has a smaller resistance value than the first resistor 12b and which is inserted between the positive side of a power supply and the photodiode 11, a differential amplifier 22 which outputs a voltage across both ends of the second resistor 21, and a diode 23 which is connected between a ground and a connection point between the photodiode 11 and an inverting input terminal of the operational amplifier 12a and which changes to a non-conductive state when the inverting amplifier 12 is not saturated and changes to a conductive state when the inverting amplifier 12 is saturated so that the output current of the photodiode 11 is bypassed.

Abstract: In a method of measuring a radiation power generated from a DUT from an output of a measurement antenna, wherein the DUT is arranged in an ellipsoid enclosed space such that a radiation center of the radio wave is substantially coincided with the neighborhood of a first focal point. The radio wave radiated from the DUT and reflected from the wall surface is received by a receiving antenna arranged in the neighborhood a second focal point thereby to measure the total radiated power of the DUT from the output signal of the receiving antenna. One of the DUT and the receiving antenna is moved along the axis passing through the first and second focal points, and based on the measurement value maximizing the output signal power of the receiving antenna, calculating the total radiated power of the DUT.

Abstract: There is provided a mobile communication test apparatus for performing an operation test of a mobile communication apparatus which performs wireless communication by bundling a plurality of frequency blocks. The apparatus includes: a logical channel distribution section 30 that performs a distribution process on logical channel data to be transmitted to a mobile communication apparatus, on a logical channel number basis, in accordance with preset distribution information; a plurality of communication processing sections 40 and 50, each of which is provided to correspond to each of the plurality of frequency blocks and receives the logical channel data which is distributed; and a data exchange section 60 that transmits the logical channel data from each communication processing section 40 or 50 to the communication processing section 40 or 50 to function as a transmission source of the corresponding data for the mobile communication apparatus.