CN111836294B

CN111836294B - Test method and test device

Info

Publication number: CN111836294B
Application number: CN201910741796.9A
Authority: CN
Inventors: 吴凯; 潘学明
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2023-06-23
Anticipated expiration: 2039-08-12
Also published as: CN111836294A

Abstract

The invention provides a testing method and testing equipment, wherein the testing method comprises the following steps: testing a transmission signal of a terminal to obtain a maximum power backoff MPR value of the transmission signal; if the MPR value is smaller than or equal to a preset threshold, determining that the transmission signal meets a power backoff indicator; and if the MPR value is larger than the preset threshold value, determining that the transmission signal does not meet the power backoff index. In the invention, the testing equipment can carry out the maximum power back-off test on the transmission signal of the terminal so as to obtain the maximum power back-off value of the transmission signal. The maximum power back-off value obtained by the test device through the test can be used for determining whether the physical channels transmitted by the transmission signals of the terminal meet the power back-off index, so that the transmission performance of each physical channel can be determined.

Description

Test method and test device

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a testing method and a testing device.

Background

On unlicensed bands, the transmitting node needs to meet the regulatory requirements of the OCB (Occupied Channel Bandwidth), which actually occupies the channel bandwidth, at each transmission. Currently, a repeated transmission mode is generally adopted to make the transmission meet the OCB requirement. However, repeated transmission may increase the PAPR (Peak to Average Power Ratio ) or CM (Cubic Metric) of the transmission signal. When the PAPR or CM of the transmission signal is high, the terminal needs to perform power backoff to ensure the EVM (Error Vector Magnitude ) and radiation of the transmission signal, but also reduce the power of signal transmission, thereby reducing the transmission performance.

Disclosure of Invention

The embodiment of the invention provides a testing method and testing equipment for testing a maximum power back-off value of a terminal transmission signal.

In a first aspect, an embodiment of the present invention provides a testing method, applied to a testing device, where the method includes:

testing a transmission signal of a terminal to obtain a maximum power backoff MPR value of the transmission signal;

if the MPR value is smaller than or equal to a preset threshold, determining that the transmission signal meets a power backoff indicator;

and if the MPR value is larger than the preset threshold value, determining that the transmission signal does not meet the power backoff index.

In a second aspect, an embodiment of the present invention provides a test apparatus, including:

the testing module is used for testing the transmission signal of the terminal to obtain the maximum power back-off (MPR) value of the transmission signal;

In a third aspect, an embodiment of the present invention provides a test apparatus, including: the test system comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the computer program realizes the steps in the test method provided by the first aspect of the embodiment of the invention when the computer program is executed by the processor.

In a fourth aspect, embodiments of the present invention provide a computer readable storage medium having a computer program stored thereon, which when executed by a processor implements the steps of the test method provided in the first aspect of the embodiments of the present invention.

In the embodiment of the invention, the testing equipment can carry out the maximum power back-off test on the transmission signal of the terminal so as to acquire the maximum power back-off value of the transmission signal. The maximum power back-off value obtained by the test device through the test can be used for determining whether the physical channels transmitted by the transmission signals of the terminal meet the power back-off index, so that the transmission performance of each physical channel can be determined.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a block diagram of a test system provided by an embodiment of the present invention;

FIG. 2 is a flow chart of a test method provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of a test apparatus according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a hardware structure of a test according to an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means at least one of the connected objects, e.g., a and/or B, meaning that it includes a single a, a single B, and that there are three cases of a and B.

In embodiments of the invention, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

Embodiments of the present invention are described below with reference to the accompanying drawings. The embodiment provided by the invention can be applied to a wireless communication system. The wireless communication system may be a 5G system, or an evolved long term evolution (Evolved Long Term Evolution, elet) system, or a subsequent evolved communication system.

Fig. 1 is a block diagram of a test system according to an embodiment of the present invention, as shown in fig. 1, including a terminal 11 and a test device 12, where the terminal 11 may be a mobile communication device, for example: it should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present invention, and may be a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop), a personal digital assistant (personal digital assistant, PDA for short), a mobile internet Device (Mobile Internet Device, MID) or a Wearable Device (Wearable Device). The above-described test device 12 is a device for measuring MPR (Maximum Power Reduction, maximum power back-off).

In the embodiment of the present invention, the test device 12 in the test system may test the transmission signal of the terminal 11 to obtain the maximum power backoff MPR value of the transmission signal.

If the MPR value is smaller than or equal to a preset threshold, determining that the transmission signal meets a power backoff indicator; and if the MPR value is larger than the preset threshold value, determining that the transmission signal does not meet the power backoff index.

Fig. 2 is a flowchart of a testing method according to an embodiment of the present invention. As shown in fig. 2, the test method is applied to the test equipment, and comprises the following steps:

step 201: and testing the transmission signal of the terminal to obtain the MPR value of the transmission signal.

The transmission signal of the terminal may be a transmission signal sent by the terminal in an unlicensed frequency band, or may be a transmission signal sent by the terminal in a sidelink frequency band. If the terminal transmits the transmission signal in the unlicensed band, the transmission signal may be used to transmit physical channels such as PRACH (Physical Random Access Channel ), PUCCH (Physical Uplink Control Channel, physical uplink control channel), or PUSCH (Physical Uplink Shared Channel ). If the terminal transmits the transmission signal in the sidelink band, the transmission signal may be used to transmit a physical channel such as PSFCH (Physical Sidelink Feedback Channel ) or PSSCH (Physical Sidelink Shared Channel, physical sidelink shared channel).

It should be noted that, for the transmission signal sent by the terminal in the unlicensed frequency band, the bandwidth occupied by the transmission signal meets the OCB requirement.

After testing the transmission signal of the terminal and obtaining the MPR value of the transmission signal, the test device may store or display the MPR value, or may also send the MPR value to other devices.

In the embodiment of the present invention, the format of the transmission signal or the resource allocation manner may correspond to various embodiments, and different embodiments are described below.

Embodiment one: the transmission signal is used to transmit a PRACH that transmits a plurality of preambles (preambles) at different frequency locations.

For example, the PRACH may transmit 4 or 8 preambles at different frequency locations within the channel bandwidth (channel bandwidth). The length of the preamble may be prime numbers 139, 283, 571, 839, 1151, etc.

The root sequence or the cyclic shift value used when the preamble is transmitted at different frequency positions is the same; alternatively, the preamble may be transmitted at different frequency positions using different root sequences or cyclic shift values.

The set of REs (Resource elements) used for transmitting the above-mentioned preamble are multiplied by the same or different complex symbols (also called complex factors) at different frequency locations. The modulus of the complex symbol may be 1 and may be used to phase rotate the signal. The RE set may also be referred to as a RE cluster, i.e. a contiguous RE resource for transmitting a single preamble.

Further, if the preambles transmitted at different frequency locations are identical, the RE symbol of each preamble may be multiplied by the same or different complex symbol.

In this embodiment, the test equipment may perform MPR testing on PRACH transmissions in an unlicensed band (e.g., band 46), which may be configured as shown in table 1.

TABLE 1

In table 1, A, B, C, D, E, F may respectively represent preset thresholds of MPRs corresponding to different configurations.

In this embodiment, the PRACH format tested may be any of A1, A2, A3, B1, B2, B3, B4, C0, C2, 0, 1, 2, 3.

In this embodiment, if the MPR of the PUSCH of the terminal is tested to be less than or equal to the preset threshold, the uplink transmission of the terminal may be considered to satisfy the MPR index, otherwise the uplink transmission of the terminal may be considered not to satisfy the MPR index.

Embodiment two: the transmission signal is used for transmitting a PUCCH, where the PUCCH is transmitted on N RBs (Resource blocks), where N is an integer greater than 1. The format of the PUCCH may be PUCCH format 0 or PUCCH format 1.

For example, the terminal may transmit using 5 or 6 RBs within a 10MHz channel bandwidth, i.e., N may be 5 or 6. For another example, the terminal may transmit using 10 or 11 RBs within a 20MHz channel bandwidth, i.e., N may be 10 or 11.

Optionally, the PUCCH is transmitted on M interleaved (interlace) resources, where each interlace resource includes the N RBs, and M is an integer greater than or equal to 1.

For example, the terminal may transmit in an interlace structure within a 20MHz bandwidth, each interlace transmitting using 10 or 11 RBs within a channel bandwidth.

Alternatively, the N RBs are equally spaced within the bandwidth of the PUCCH, that is, the intervals between each RB are equal. For example, for a 30kHz subcarrier spacing, 5 RBs, such as rb#1, rb#6, rb#11, rb#16, … …, may be spaced between each RB. For another example, for a 15kHz subcarrier spacing, 10 RBs may be spaced between each RB, such as RB#1, RB#11, RB#21, … ….

Alternatively, on different RBs, the sequences of the PUCCHs use different sequence group numbers or different base sequence numbers or different cyclic shift values; alternatively, the sequences of the PUCCHs are identical on different RBs.

Alternatively, the sequences of the PUCCHs transmitted on different RBs are multiplied by the same or different complex symbols (also known as complex factors), which may have a modulus value of 1, and may be used to phase rotate the signal.

Further, if the sequences of PUCCHs transmitted on different RBs are the same, the sequence of each PUCCH may be multiplied by the same or different complex symbols.

Alternatively, the PUCCH is transmitted using a CP-OFDM (Cyclic prefix-Orthogonal Frequency Division Multiplexing, cyclic prefix orthogonal frequency division multiplexing) waveform or a DFT-S-OFDM (Discrete Fourier Transform-Spreading-Orthogonal Frequency Division Multiplexing, discrete fourier transform-spread-orthogonal frequency division multiplexing) waveform, i.e., an OFDM waveform using transmission precoding (transform precoding).

Wherein, for PUCCH format 2, a CP-OFDM waveform may be used for PUCCH; for PUCCH format 3, a DFT-S-OFDM waveform may be used for PUCCH.

In this embodiment, the test device may perform MPR test on PUCCH transmissions in an unlicensed band (e.g. band 46), which may be configured as shown in table 2.

TABLE 2

Alternatively, when the subcarrier spacing is 15kHz, the allocated intervals of RBs are equally spaced of 10 RBs; when the subcarrier spacing is 30kHz, the interval of allocated RBs is equal interval allocation of 5 RBs.

Optionally, PUCCH format 0 and PUCCH format 1 are PUCCHs transmitting only 2 bits or less.

In table 2, A, B, C, D, E, F may respectively represent preset thresholds of MPRs corresponding to different configurations.

In this embodiment, if the MPR of the PUCCH of the terminal is tested to be less than or equal to the preset threshold, the uplink transmission of the terminal may be considered to meet the MPR index, otherwise the uplink transmission of the terminal may be considered not to meet the MPR index.

Embodiment III: the transmission signal is used for transmitting a physical uplink shared channel PUSCH, the PUSCH is transmitted on N RBs, and N is an integer greater than 1.

Optionally, the PUSCH is transmitted on M interleaving resources, where each interleaving resource includes the N RBs, and M is an integer greater than or equal to 1.

Optionally, the N RBs are equally spaced in the bandwidth of the PUSCH. That is, the interval between each RB is equal. For example, for a 30kHz subcarrier spacing, 5 RBs, such as rb#1, rb#6, rb#11, rb#16, … …, may be spaced between each RB. For another example, for a 15kHz subcarrier spacing, 10 RBs may be spaced between each RB, such as RB#1, RB#11, RB#21, … ….

Optionally, the PUSCH is transmitted on M interleaving resources, where each interleaving resource includes the N RBs, and M is an integer greater than or equal to 1; the N RBs are equally spaced within the bandwidth of the PUSCH.

Alternatively, the PUSCH uses a CP-OFDM waveform or a DFT-S-OFDM waveform.

In this embodiment, the test device may perform MPR test on PUSCH transmission in an unlicensed band, and the MPR test may be configured in a manner shown in table 3.

TABLE 3 Table 3

Optionally, the modulation schemes tested include BPSK (Binary Phase Shift Keying ), pi/2-BPSK, QPSK (Quadrature Phase Shift Keying, quadrature phase shift keying), 16QAM (Quadrature Amplitude Modulation ), 64QAM, or 256QAM. Different modulation schemes may use different MPR indices. Three tested modulation schemes are listed in table 3, QPSK, 16QAM and 64QAM, respectively.

Alternatively, when the subcarrier spacing is 15kHz, the allocated intervals of RBs may be equally spaced of 10 RBs; when the subcarrier spacing is 30kHz, the interval of allocated RBs may be equally spaced of 5 RBs.

In table 3, A, B, C, D, E, F may respectively represent preset thresholds of MPRs corresponding to different configurations.

Embodiment four: the transmission signal is used to transmit a PSFCH, which is transmitted over N RBs, where N is an integer greater than 1.

Wherein, the N RBs occupied in the channel bandwidth can be continuously allocated RB resources.

Optionally, the sequences of the PSFCH transmitted on each L RBs of the N RBs use different sequence group numbers or different base sequence numbers or different cyclic shift values; alternatively, the PSFCH sequences are identical on different RBs; wherein L is an integer greater than or equal to 1.

Optionally, the sequence of the PSFCH transmitted on each Y RBs among the N RBs is multiplied by the same or different complex symbol (or complex factor), and Y is an integer greater than or equal to 1. The modulus of the complex symbol may be 1 and may be used to phase rotate the signal.

Alternatively, the PSFCH uses a CP-OFDM waveform or a DFT-S-OFDM waveform.

In this embodiment, the test device may perform MPR test on PSFCH transmission of the sidelink band, and the MPR test may be configured in a manner shown in table 4.

TABLE 4 Table 4

Optionally, the RBs are configured at the edges of the channel bandwidth, i.e., the starting RB is RB#0, or the starting RB is RB# (max+1-N_RB).

Optionally, PSFCH format 0 and PSFCH format 1 are PSFCH transmitting only 2 bits or less.

In table 4, A, B, C, D may respectively represent preset thresholds of MPRs corresponding to different configurations.

In this embodiment, if the MPR of the PSFCH of the terminal is tested to be less than or equal to the preset threshold, the uplink transmission of the terminal may be considered to meet the MPR index, otherwise the uplink transmission of the terminal may be considered not to meet the MPR index.

Fifth embodiment: the transmission signal is used for transmitting a physical secondary link shared channel PSSCH, the PSSCH transmits on N RBs, and N is an integer greater than 1.

Alternatively, the PSSCH transmits the same information on different RBs; alternatively, on different RBs, the information symbols of the PSSCH transmission are multiplied by the same or different complex symbols (or complex factors). The modulus of the complex symbol may be 1 and may be used to phase rotate the signal.

Alternatively, the PSSCH uses a CP-OFDM waveform or a DFT-S-OFDM waveform.

In this embodiment, the test device may perform MPR test on PSSCH transmission in the sidelink band, and the MPR test may be configured in a manner shown in table 5.

TABLE 5

Optionally, the modulation scheme tested includes BPSK, pi/2-BPSK, QPSK, 16QAM, 64QAM or 256QAM. Different modulation schemes may use different MPR indices.

In table 5, A, B, C, D may respectively represent preset thresholds of MPRs corresponding to different configurations.

In this embodiment, if the MPR of the PSSCH of the terminal is tested to be less than or equal to the preset threshold, the uplink transmission of the terminal may be considered to satisfy the MPR index, otherwise the uplink transmission of the terminal may be considered to not satisfy the MPR index.

In summary, in the above embodiments, the testing device may perform a maximum power back-off test on a transmission signal of a terminal to obtain a maximum power back-off value of the transmission signal. The maximum power back-off value obtained by the test device through the test can be used for determining whether the physical channels transmitted by the transmission signals of the terminal meet the power back-off index, so that the transmission performance of each physical channel can be determined.

Fig. 3 is a block diagram of a test apparatus according to an embodiment of the present invention, and as shown in fig. 3, a test apparatus 300 includes:

the testing module 301 is configured to test a transmission signal of a terminal to obtain a maximum power backoff MPR value of the transmission signal.

Optionally, the transmission signal is used for transmitting a physical random access channel PRACH, and the PRACH transmits a plurality of preambles at different frequency positions.

Optionally, the root sequence or cyclic shift value used when the preamble is transmitted at different frequency positions is the same; or,

the preamble may be transmitted at different frequency locations using different root sequences or cyclic shift values.

Alternatively, the RE sets used for transmitting the preamble are multiplied by the same or different complex symbols at different frequency locations.

Optionally, the transmission signal is used for transmitting a physical uplink control channel PUCCH, where the PUCCH is transmitted on N resource blocks RBs, and N is an integer greater than 1.

Optionally, the PUCCH is transmitted on M interleaving resources, each interleaving resource including the N RBs, where M is an integer greater than or equal to 1.

Optionally, the N RBs are equally spaced within the bandwidth of the PUCCH.

Alternatively, on different RBs, the sequences of the PUCCHs use different sequence group numbers or different base sequence numbers or different cyclic shift values; or,

the sequences of the PUCCHs are identical on different RBs.

Alternatively, the sequences of the PUCCHs transmitted on different RBs are multiplied by the same or different complex symbols.

Optionally, the transmission signal is used for transmitting a physical uplink shared channel PUSCH, the PUSCH is transmitted on N RBs, where N is an integer greater than 1;

the PUSCH is transmitted on M interleaving resources, each interleaving resource comprising the N RBs, M being an integer greater than or equal to 1.

the N RBs are equally spaced within the bandwidth of the PUSCH.

The PUSCH transmits on M interleaving resources, wherein each interleaving resource comprises the N RBs, and M is an integer greater than or equal to 1;

the N RBs are equally spaced within the bandwidth of the PUSCH.

Optionally, the transmission signal is used for transmitting a physical sidelink feedback channel PSFCH, where the PSFCH is transmitted on N RBs, and N is an integer greater than 1.

Optionally, the N RBs are consecutive RB resources.

Optionally, the sequences of the PSFCH transmitted on each L RBs of the N RBs use different sequence group numbers or different base sequence numbers or different cyclic shift values; or,

the sequences of the PSFCHs are identical on different RBs;

wherein L is an integer greater than or equal to 1.

Optionally, the sequence of the PSFCH transmitted on each Y RBs among the N RBs is multiplied by the same or different complex symbols, and Y is an integer greater than or equal to 1.

Optionally, the transmission signal is used for transmitting a physical secondary link shared channel PSSCH, where the PSSCH is transmitted on N RBs, and N is an integer greater than 1.

Optionally, the N RBs are consecutive RB resources.

Alternatively, the PSSCH transmits the same information on different RBs; or,

On different RBs, the information symbols of the PSSCH transmission are multiplied by the same or different complex symbols.

Alternatively, the transmission signal uses a CP-OFDM waveform or a DFT-S-OFDM waveform.

It should be noted that, in the embodiment of the present invention, the test device 300 may be a terminal of any implementation manner in the embodiment of the method, and any implementation manner of the terminal in the embodiment of the method may be implemented by the test device 300 in the embodiment of the present invention, so as to achieve the same beneficial effects, and for avoiding repetition, no redundant description is given here.

Fig. 4 is a schematic hardware architecture of a test apparatus implementing various embodiments of the present invention, where the test apparatus 800 includes, but is not limited to: radio frequency unit 801, network module 802, audio output unit 803, input unit 804, sensor 805, display unit 806, user input unit 807, interface unit 808, memory 809, processor 810, and power supply 811. Those skilled in the art will appreciate that the test apparatus structure shown in fig. 4 is not limiting of the test apparatus and that the test apparatus may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.

Wherein the processor 810 is configured to:

and testing the transmission signal of the terminal to obtain the maximum power back-off (MPR) value of the transmission signal.

Optionally, the N RBs are equally spaced within the bandwidth of the PUCCH.

the sequences of the PUCCHs are identical on different RBs.

the N RBs are equally spaced within the bandwidth of the PUSCH.

The N RBs are equally spaced within the bandwidth of the PUSCH.

Optionally, the N RBs are consecutive RB resources.

the sequences of the PSFCHs are identical on different RBs;

wherein L is an integer greater than or equal to 1.

Optionally, the N RBs are consecutive RB resources.

Alternatively, the PSSCH transmits the same information on different RBs; or,

Alternatively, the test apparatus 800 may display the MPR value obtained by the test through the display unit 806.

Alternatively, the test apparatus 800 may store MPR values obtained by the test through the memory 809.

It should be understood that, in the embodiment of the present invention, the radio frequency unit 801 may be used for receiving and transmitting information or signals during a call, and processing the signals by the processor 810. In general, the radio frequency unit 801 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 801 may also communicate with networks and other devices through a wireless communication system.

The test equipment provides wireless broadband internet access to the user via the network module 802, such as helping the user to send and receive e-mail, browse web pages, access streaming media, and the like.

The audio output unit 803 may convert audio data received by the radio frequency unit 801 or the network module 802 or stored in the memory 809 into an audio signal and output as sound. Also, the audio output unit 803 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the test device 800. The audio output unit 803 includes a speaker, a buzzer, a receiver, and the like.

The input unit 804 is used for receiving an audio or video signal. The input unit 804 may include a graphics processor (Graphics Processing Unit, GPU) 8041 and a microphone 8042, the graphics processor 8041 processing image data of still pictures or video obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 806. The image frames processed by the graphics processor 8041 may be stored in the memory 809 (or other storage medium) or transmitted via the radio frequency unit 801 or the network module 802. The microphone 8042 can receive sound, and can process such sound into audio data. The processed audio data may be converted in the case of a telephone call mode into a format output that may be transmitted to other devices via the radio frequency unit 801.

The test device 800 also includes at least one sensor 805 such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 8061 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 8061 and the backlight when the test device 800 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and the direction when the accelerometer sensor is static, and can be used for identifying the gesture of the test equipment (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration identification related functions (such as pedometer and knocking) and the like; the sensor 805 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which are not described herein.

The display unit 806 is used to display information input by a user or information provided to the user. The display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 807 is operable to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the test equipment. In particular, the user input unit 807 includes a touch panel 8071 and other input devices 8072. Touch panel 8071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on touch panel 8071 or thereabout using any suitable object or accessory such as a finger, stylus, etc.). The touch panel 8071 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, sends the touch point coordinates to the processor 810, and receives and executes commands sent from the processor 810. In addition, the touch panel 8071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 8071, the user input unit 807 can include other input devices 8072. In particular, other input devices 8072 may include, but are not limited to, physical keyboards, function keys (e.g., volume control keys, switch keys, etc.), trackballs, mice, joysticks, and so forth, which are not described in detail herein.

Further, the touch panel 8071 may be overlaid on the display panel 8071, and when the touch panel 8071 detects a touch operation thereon or thereabout, the touch operation is transmitted to the processor 810 to determine a type of touch event, and then the processor 810 provides a corresponding visual output on the display panel 8061 according to the type of touch event. Although in fig. 4, the touch panel 8071 and the display panel 8061 are two independent components for implementing the input and output functions of the test apparatus, in some embodiments, the touch panel 8071 may be integrated with the display panel 8061 to implement the input and output functions of the test apparatus, which is not limited herein.

The interface unit 808 is an interface to which an external device is connected to the test apparatus 800. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 808 may be used to receive input (e.g., data information, power, etc.) from an external device and to transmit the received input to one or more elements within the test apparatus 800 or may be used to transmit data between the test apparatus 800 and an external device.

The memory 809 can be used to store software programs as well as various data. The memory 809 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory 809 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 810 is a control center of the test equipment, connects various parts of the entire test equipment using various interfaces and lines, and performs various functions and processes data of the test equipment by running or executing software programs and modules stored in the memory 809, and calling data stored in the memory 809, thereby performing overall monitoring of the test equipment. The processor 810 may include one or more processing units; preferably, the processor 810 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 810.

The test device 800 may also include a power supply 811 (e.g., a battery) for powering the various components, and the power supply 811 may preferably be logically coupled to the processor 810 through a power management system that provides for managing charge, discharge, and power consumption.

In addition, the test apparatus 800 includes some functional modules, which are not shown, and will not be described herein.

Preferably, the embodiment of the present invention further provides a test apparatus, which includes a processor 810, a memory 809, and a computer program stored in the memory 809 and capable of running on the processor 810, where the computer program when executed by the processor 810 implements each process of the foregoing test method embodiment, and the same technical effects are achieved, and for avoiding repetition, a detailed description is omitted herein.

It should be noted that, in this embodiment, the test device 800 may be any test device of any implementation manner in the method embodiment of the present invention, and any implementation manner of the test device in the method embodiment of the present invention may be implemented by the test device 800 in the embodiment of the present invention, so that the same beneficial effects are achieved, which is not described herein.

The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the above processes corresponding to the embodiments of the test device, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising several instructions for causing a test device to perform the method according to the embodiments of the present invention.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims

1. A test method applied to a test apparatus, the method comprising:

testing a transmission signal of a terminal to obtain a maximum power backoff MPR value of the transmission signal; if the MPR value is smaller than or equal to a preset threshold, determining that the transmission signal meets a power backoff indicator; if the MPR value is greater than the preset threshold, determining that the transmission signal does not meet the power backoff indicator;

the transmission signal is used for transmitting a physical random access channel PRACH, and the PRACH transmits a plurality of lead codes at different frequency positions;

or,

the transmission signal is used for transmitting a Physical Uplink Control Channel (PUCCH), the PUCCH is transmitted on N Resource Blocks (RBs), wherein the PUCCH is transmitted on M interleaving resources, each interleaving resource includes the N RBs, N is an integer greater than 1, and M is an integer greater than or equal to 1;

Or,

the transmission signal is used for transmitting a Physical Uplink Shared Channel (PUSCH), the PUSCH is transmitted on N RBs, the N RBs are distributed at equal intervals in the bandwidth of the PUSCH, and N is an integer greater than 1;

or,

the transmission signal is used for transmitting a physical uplink shared channel PUSCH, the PUSCH is transmitted on N RBs, wherein the PUSCH is transmitted on M interleaving resources, each interleaving resource includes the N RBs, N is an integer greater than 1, and M is an integer greater than or equal to 1;

or,

the transmission signal is used for transmitting a physical sidelink feedback channel PSFCH, the PSFCH transmits on N RBs, the N RBs are continuous RB resources, and N is an integer greater than 1; the sequence of the PSFCH transmitted on each L RBs in the N RBs uses different sequence group numbers or different base sequence numbers or different cyclic shift values, and L is an integer greater than or equal to 1, or the sequences of the PSFCH are the same on different RBs;

or,

the transmission signal is used for transmitting a physical secondary link shared channel PSSCH, the PSSCH transmits on N RBs, the N RBs are continuous RB resources, and N is an integer greater than 1; the PSSCH transmits the same information on different RBs, or the PSSCH transmits information symbols multiplied by the same or different complex symbols on different RBs.

2. The method of claim 1, wherein the preamble is transmitted at different frequency locations using the same root sequence or cyclic shift value; or,

3. The method of claim 2, wherein the set of REs used for transmission of the preamble are multiplied by the same or different complex symbols at different frequency locations.

4. The method of claim 1, wherein the N RBs are equally spaced within a bandwidth of the PUCCH.

5. The method of claim 4, wherein sequences of the PUCCH use different sequence group numbers or different base sequence numbers or different cyclic shift values on different RBs; or,

the sequences of the PUCCHs are identical on different RBs.

6. The method of claim 5, wherein sequences of the PUCCH transmitted on different RBs are multiplied by the same or different complex symbols.

7. The method of claim 1 wherein the sequence of PSFCHs transmitted over every Y RBs of the N RBs is multiplied by the same or different complex symbols, Y being an integer greater than or equal to 1.

8. The method of claim 1, wherein the transmission signal uses a CP-OFDM waveform or a DFT-S-OFDM waveform.

9. A measurement device, comprising:

the testing module is used for testing the transmission signal of the terminal to obtain the maximum power back-off (MPR) value of the transmission signal; if the MPR value is smaller than or equal to a preset threshold, determining that the transmission signal meets a power backoff indicator; if the MPR value is greater than the preset threshold, determining that the transmission signal does not meet the power backoff indicator;

or,

Or,

or,

10. A test apparatus, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps in the test method according to any one of claims 1 to 8.

11. A computer readable storage medium, characterized in that it has stored thereon a computer program which, when executed by a processor, implements the steps in the test method according to any of claims 1 to 8.