CN112291021B - System and method for communication terminal signal measurement - Google Patents
System and method for communication terminal signal measurement Download PDFInfo
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- CN112291021B CN112291021B CN202011179379.9A CN202011179379A CN112291021B CN 112291021 B CN112291021 B CN 112291021B CN 202011179379 A CN202011179379 A CN 202011179379A CN 112291021 B CN112291021 B CN 112291021B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0001—Rooms or chambers
Abstract
The application relates to the technical field of wireless communication and discloses a system for measuring signals of a communication terminal. The method comprises the following steps: shielding room and set up the array probe antenna in the shielding room, still include: the device comprises a transmission device, a measurement device and a processing device, wherein the transmission device is configured to be controlled to transmit the communication terminal to a plurality of positions in a shielding chamber in the process of signal measurement; the measuring means is configured to measure measurement samples of the communication terminal at a plurality of locations; the processing device is configured to determine a measurement result from the measurement samples at the plurality of locations. By enabling the communication terminal to be located at different positions for measurement, the influence of the position of the communication terminal is considered in the process of measuring the signal of the communication terminal, and the accuracy of the wireless signal quality test of the communication terminal is improved. The application also discloses a method for measuring the communication terminal signal.
Description
Technical Field
The present application relates to the field of wireless communication technologies, and for example, to a system and a method for signal measurement of a communication terminal.
Background
With the continuous development of economic construction and the continuous improvement of scientific technology in China, various terminal devices are more and more abundant, and the detection of the quality of a terminal wireless signal is particularly important before the terminal is sold after being produced. At present, in the industry, a communication terminal to be tested is generally placed in a shielding box, a probe antenna arranged in the shielding box is used for receiving a signal transmitted by the communication terminal to be tested, and a test signal received by the probe antenna is sampled and valued, so that a signal measurement result of the communication terminal to be tested is obtained.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the existing communication terminal signal measurement ignores the influence of the position of the communication terminal, so that the detection accuracy is not high.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a system and a method for measuring a communication terminal signal, so as to improve the accuracy of a wireless signal quality test of a communication terminal.
In some embodiments, the system includes a shielded room, an array probe antenna disposed within the shielded room, and further includes: a transmission device configured to be controlled to transmit a communication terminal to a plurality of positions in the shielded room during signal measurement; a measuring device configured to measure measurement samples of the communication terminal at a plurality of locations; a processing device, coupled to the measurement device, configured to determine a measurement result from the measurement samples at the plurality of locations.
In some embodiments, the method is applied to the above system for signal measurement of a communication terminal, and the method includes: obtaining Q measurement samples of a communication terminal at n positions, wherein n is an integer larger than 1, and Q is an integer larger than or equal to n; and determining a measurement result according to the Q measurement samples.
In some embodiments, the system includes a shielded room, an array probe antenna disposed within the shielded room, and further includes: the transmission device is configured to be controlled to transmit the communication terminal to a plurality of positions in the shielding chamber in the process of signal measurement; the mechanical stirring device is arranged in the shielding chamber and is configured to be controlled to rotate by a plurality of angles in the process of signal measurement; a measuring device configured to measure measurement samples of the communication terminal at a plurality of locations; a processing device, coupled to the measurement device, configured to determine a measurement result from the measurement samples at the plurality of locations.
In some embodiments, the method is applied to the above system for signal measurement of a communication terminal, and the method includes: obtaining Q measurement samples of a communication terminal at n positions, wherein n is an integer larger than 1; determining a measurement result according to the Q measurement samples; wherein, Q ═ n × m or Q ═ n × m × z, m is the number of controlled rotation angles of the mechanical stirring device, z is the number of times of signal measurement by selecting the probe antenna, and m and z are integers greater than 1.
The system and the method for measuring the communication terminal signal provided by the embodiment of the disclosure can realize the following technical effects:
the communication terminal is positioned at different positions for measurement, measurement samples of the communication terminal to be measured at different test positions can be obtained, and a measurement result is determined according to the measurement samples.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic diagram of a system for signal measurement of a communication terminal according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of another system for signal measurement of a communication terminal provided by an embodiment of the present disclosure;
fig. 3 is a schematic diagram of another system for signal measurement of a communication terminal provided by an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a method for signal measurement of a communication terminal according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of another method for signal measurement of a communication terminal provided by an embodiment of the present disclosure;
fig. 6 is a schematic diagram of another method for signal measurement of a communication terminal provided by an embodiment of the present disclosure;
fig. 7 is a schematic diagram of another method for signal measurement of a communication terminal according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
Referring to fig. 1, an embodiment of the present disclosure provides a system for measuring a signal of a communication terminal, including a shielding room 1, an array probe antenna 2 disposed in the shielding room 1, and further including: a transport device 3, a measuring device 4 and a processing device 5.
A transmission device 3 configured to be controlled to transmit a communication terminal 6 to a plurality of positions within the shielded room 1 in a process of performing signal measurement; a measurement device 4 configured to measure measurement samples of the communication terminal 6 at a plurality of positions; a processing device 5, connected to the measuring device 4, configured to determine a measurement result from the measurement samples at a plurality of positions.
By adopting the system for measuring the communication terminal signal provided by the embodiment of the disclosure, the communication terminal is positioned at different positions for measurement, the measurement samples of the communication terminal to be measured at different test positions can be obtained, and the measurement result can be determined according to the measurement samples.
Optionally, the shielding chamber 1 is a box body composed of all-metal reflecting plates; optionally, the inner wall of the reflecting plate is smooth; alternatively, the shield room 1 is shaped as a rectangular parallelepiped. One side or two sides of the shielding room 1 are provided with shielding doors for the tested communication terminal 6 to enter and exit, and the shielding doors can close the communication terminal after entering the shielding room and keep certain shielding effectiveness; therefore, the shielding chamber has a better shielding effect, and the measurement result of the communication terminal is more accurate.
Optionally, the transmission device 3 transmits the communication terminal 6 to enter the shielding room 1, and makes the communication terminal 6 move along the track direction, so that the communication terminal 6 moves according to a predetermined position inside the shielding room 1, and after the communication terminal is measured, the communication terminal 6 is transmitted out of the shielding room 1.
Optionally, the array probe antenna 2 is configured to be controlled to select one or more probe antennas for signal measurement.
Alternatively, as shown in fig. 2 and 3, the array probe antenna 2 is mounted on the inner wall of the shield room 1. Optionally, the array probe antenna comprises a plurality of dual polarized probe antennas; each dual-polarized probe antenna is provided with two radio frequency interfaces. Optionally, the array probe antenna 2 is connected to a probe antenna switching matrix 8. Under the condition of testing the receiving and transmitting performance of the communication terminal, one or more probe antennas are selected and combined through the switching of the probe antenna switching matrix 8, so that measurement samples of the communication terminal to be tested under the probe antennas in different combinations can be obtained, and a measurement result is determined according to the measurement samples.
Optionally, the system for signal measurement of the communication terminal further comprises a mechanical stirring device 7, wherein the mechanical stirring device 7 is arranged in the shielding chamber and is configured to be controlled to rotate by a plurality of angles in the process of signal measurement.
Optionally, a mechanical stirring device 7 is mounted on the side of the shielded room. Optionally, the mechanical stirring device is a rotatable metallic electromagnetic stirrer. Alternatively, the electromagnetic stirrer may be a zigzag-shaped hinge or other shaped structure to stir the electromagnetic field inside the shielded room. Like this, through rotatory mechanical stirring equipment, stir the inside electromagnetic field of shielded cell for can test communication terminal under different electromagnetic fields, can obtain the communication terminal that awaits measuring measurement sample under different electromagnetic fields and confirm the measuring result according to this measurement sample, because the influence that communication terminal receives the electromagnetic field has been considered in the in-process of carrying out signal measurement to communication terminal, improved the degree of accuracy of communication terminal wireless signal quality test.
Optionally, the measurement samples comprise transmission power samples or RSSI values recorded by the communication terminal.
In some embodiments, the system for communication terminal signal measurement comprises a shielding chamber 1, an array probe antenna 2 arranged in the shielding chamber 1, a transmission device 3, a measurement device 4, a processing device 5 and a mechanical stirring device 7 arranged in the shielding chamber 1. Within the shielded room there are provided a predetermined number of dual-polarized probe antennas, for example 8 dipoleTransforming a probe antenna; the communication terminal 6 to be tested enters the shielding room 1 through the transmission device 3; under the condition of detecting the emission performance of the communication terminal 6 to be detected, the communication terminal 6 sends signals, and the probe antenna receives the signals; optionally, the communication terminal 6 to be tested starts to continuously transmit signals at the position 1A in the shielding chamber, and rotates the mechanical stirring device 7 by a preset angle to stir the electromagnetic field in the shielding chamber, optionally, the preset angle is 60 degrees; the 8 dual-polarized probe antennas have 16 radio frequency interfaces which respectively receive the transmission signals of the communication terminal 6; measurement of the transmission power samples P of the communication terminal 6 by means of the measuring device 4 1 ……P 16 (ii) a The mobile terminal moves to the position 2A through the transmission device, and the mechanical stirring equipment 7 is rotated according to a preset angle; 8 dual-polarized probe antennas receive the transmission signals of the communication terminal 6; measurement of the transmission power samples P of the communication terminal 6 by means of the measuring device 4 17 ……P 32 (ii) a Thus, each time the mechanical stirring device is rotated by 60 degrees until it rotates by 360 degrees, the measuring device 4 measures 16 × 5 samples P of the transmission power of the communication terminal 6 1 ……P 80 (ii) a The communication terminal moves to 5 different positions, and the measuring device 4 measures 5 x 80 transmission power samples P of the communication terminal 6 1 ……P 400 (ii) a By applying a pair of transmit power samples P 1 ……P 400 The calculation is carried out to obtain the measurement result of the communication terminal, namely the transmission power value P s 。
In some embodiments, in the case of detecting the receiving performance of the communication terminal 6 to be tested, the communication terminal 6 receives a signal, and transmits the signal through the probe antenna 2; optionally, the communication terminal 6 to be tested receives a signal at the position 1A in the shielding chamber, and rotates the mechanical stirring device 7 according to a preset angle to stir the electromagnetic field in the shielding chamber, optionally, the preset angle is 60 degrees; the RSSI value R recorded by the communication terminal 6 is measured by the measuring device 4 1 ……R 16 (ii) a The mobile terminal moves to the position 2A through the transmission device, and the mechanical stirring equipment 7 is rotated according to a preset angle; the RSSI value R recorded by the communication terminal 6 is measured by the measuring device 4 17 ……R 32 (ii) a Thus, each time the mechanical stirring device is rotated by 60 degrees until 360 degrees, the measuring means 4 measure the RSSI values R recorded by 16 x 5 communication terminals 6 1 ……R 80 (ii) a The communication terminal moves to 5 different positions, and the measuring device 4 measures RSSI values R recorded by 5 × 80 communication terminals 6 1 ……R 400 (ii) a By comparing the RSSI value R 1 ……R 400 Calculating to obtain the measurement result of the communication terminal, i.e. the receiving sensitivity value R r 。
Optionally, with 16 rf interfaces of 8 probe antennas, two rf interfaces are combined into a group to receive or transmit signals, and 120 measurement samples can be obtained. Therefore, the receiving and transmitting performance test is carried out on the communication terminal to be tested by changing the mode of transmitting or receiving signals by the probe antenna; and through combining different probe antennas, the measurement state of the communication terminal to be tested is changed, the acquisition of more sample data is realized, and the test precision is improved.
By adopting the system for measuring the communication terminal signal provided by the embodiment of the disclosure, the communication terminal is positioned at different positions, the electromagnetic field of the shielding chamber is stirred by the rotary mechanical stirring equipment, and the communication terminal is measured by the probe antennas in different combinations, so that the measurement samples of the communication terminal to be measured in different measurement states can be obtained, and the measurement result can be determined according to the measurement samples.
As shown in fig. 4, an embodiment of the present disclosure provides a method for signal measurement of a communication terminal, including:
step S101, obtaining Q measurement samples of a communication terminal at n positions, wherein n is an integer larger than 1, and Q is an integer larger than or equal to n;
and step S102, determining a measurement result according to the Q measurement samples.
By adopting the method for measuring the communication terminal signal provided by the embodiment of the disclosure, the communication terminal is positioned at different positions for measurement, the measurement samples of the communication terminal to be measured at different test positions can be obtained, and the measurement result can be determined according to the measurement samples.
Optionally, the measurement samples comprise transmission power samples or RSSI values recorded by the communication terminal.
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit a signal, the communication terminal is in different n positions, and n types of transmission power samples P of the communication terminal in different positions are obtained N And N is 1 … … N. Optionally, the communication terminal is enabled to transmit signals of one or more frequency bands through an air interface or a cable control program.
Optionally, in the case of testing the receiving performance of the communication terminal, the communication terminal is triggered to receive signals, and the communication terminal is located at different n 'positions to obtain RSSI values R of n' types of communication terminals located at different positions N’ ，N’＝1……n’。
Optionally, Q is n × z, z is the number of times the probe antenna is selected for signal measurement, and z is an integer greater than 1. Therefore, the communication terminal is measured through the probe antennas in different combinations by enabling the communication terminal to be located at different positions, measurement samples of the communication terminal to be tested in different measurement states can be obtained, measurement results can be determined according to the measurement samples, and the accuracy of wireless signal quality testing of the communication terminal is improved.
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit signals, the communication terminal is in n different positions, z times of probe antennas are selected to receive the signals of the communication terminal, and transmit power samples P of n × z types of communication terminals in different positions and in the state of receiving the signals by different probe antennas are obtained N ，N＝1……n*z。
Optionally, under the condition of testing the receiving performance of the communication terminal, triggering the communication terminal to receive signals, selecting z 'times of probe antennas to transmit signals to the communication terminal at different n' positions of the communication terminal, and obtaining RSSI values R of n '× z' types of communication terminals at different positions and in the states of transmitting signals by different probe antennas N’ ，N’＝1……n’*z’。
As shown in fig. 5, an embodiment of the present disclosure provides a method for signal measurement of a communication terminal, including:
step S201, obtaining Q measurement samples of a communication terminal at n positions, wherein n is an integer larger than 1;
step S202, determining a measurement result according to the Q measurement samples;
wherein, Q ═ n × m or Q ═ n × m × z, m is the number of controlled rotation angles of the mechanical stirring device, z is the number of times of signal measurement by selecting the probe antenna, and m and z are integers greater than 1.
By adopting the method for measuring the communication terminal signal provided by the embodiment of the disclosure, the communication terminal is positioned at different positions, the electromagnetic field of the shielding chamber is stirred by the rotary mechanical stirring equipment, and the communication terminal is measured by the probe antennas in different combinations, so that the measurement samples of the communication terminal to be measured in different measurement states can be obtained, and the measurement result can be determined according to the measurement samples.
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit a signal, the communication terminal rotates the mechanical stirring device m times at n different positions, and the transmission power samples P of n × m types of communication terminals at different positions and at different stirring angles of the mechanical stirring device are obtained N ，N＝1……n*m。
Optionally, in a case of testing the receiving performance of the communication terminal, the communication terminal is triggered to receive a signal, the communication terminal rotates the mechanical stirring device m 'times at n' different positions, and RSSI values R of n '× m' types of communication terminals at different positions and the mechanical stirring device at different stirring angles are obtained N’ ，N’＝1……n’*m’。
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit a signal, and the communication terminal is inRotating the mechanical stirring equipment for m times at different n positions, selecting z times of probe antennas to receive signals of the communication terminal, and obtaining emission power samples P of the n m x z types of communication terminals at different positions, at different stirring angles and in the states of receiving signals by the different probe antennas N ，N＝1……n*m*z。
Optionally, in the case of testing the receiving performance of the communication terminal, the communication terminal is triggered to receive signals, the communication terminal rotates the mechanical stirring device m 'times at different n' positions, the probe antenna z 'times is selected to transmit signals to the communication terminal, and RSSI values R of n' × m '× z' types of communication terminals at different positions, the mechanical stirring device at different stirring angles, and different probe antennas in the states of transmitting signals are obtained N’ ，N’＝1……n’*m’*z’。
Optionally, determining a measurement result according to Q transmit power samples includes: and calculating by using Q transmission power samples through a first preset algorithm to obtain the transmission power value of the communication terminal.
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit a signal, and the communication terminal is at different n positions to obtain n types of transmission power samples P of the communication terminal at different positions N (ii) a Optionally, by calculating:
obtaining a transmission power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …, N.
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit a signal, the communication terminal selects z times of probe antennas to receive the signal of the communication terminal at n different positions, and transmit power samples P of n × z types of communication terminals at different positions and in the state of receiving the signal by different probe antennas are obtained N (ii) a Optionally, by calculating:
deriving the transmitted powerA value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …, N is z.
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit a signal, the communication terminal rotates the mechanical stirring device m times at n different positions, and transmit power samples P of n × m types of communication terminals at different positions and at different stirring angles of the mechanical stirring device are obtained N (ii) a Optionally, by calculating:
obtaining a transmission power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …, N is m.
Optionally, in the case of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit a signal, the communication terminal rotates the mechanical stirring device m times at n different positions, z times of probe antennas are selected to receive the signal transmitted by the communication terminal, and a transmission power sample P is obtained when n × m × z communication terminals are at different positions, the mechanical stirring device is at different stirring angles, and different probe antennas receive the signal N (ii) a Optionally, by calculating:
obtaining a transmission power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …, N is m z.
As shown in fig. 6, an example of the present disclosure provides a method for signal measurement of a communication terminal, including:
step S301, a transmission device transmits the communication terminal to a shielding room;
step S302, triggering the communication terminal to continuously transmit signals;
step S303, the transmission device transmits the communication terminal to different n positions, rotates the mechanical stirring equipment for m times, selects the probe antenna for z times to receive the signal transmitted by the communication terminal, and acquires the signalTransmitting power sample P of communication terminal at different positions, mechanical stirring equipment at different stirring angles and different probe antennas receiving signals N ,N＝1……n*m*z；
Step S304, using Q, i.e. n × m × z transmit power samples to calculate by a first preset algorithm, so as to obtain a transmit power value P of the communication terminal s ；
In step S305, the transmission device transmits the communication terminal out of the shield room. And finishing the transmission performance test of the communication terminal.
Optionally, determining a measurement result according to Q RSSI values recorded by the communication terminal includes: and calculating by using Q RSSI values recorded by the communication terminal through a second preset algorithm to obtain a receiving sensitivity value of the communication terminal.
Optionally, in the case of testing the receiving performance of the communication terminal, the measuring device transmits a signal through the probe antenna, the communication terminal receives the signal transmitted by the probe antenna, and the communication terminal obtains RSSI values R of n 'kinds of communication terminals at different positions at different n' positions N’ (ii) a Optionally, by calculating:
obtaining a receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the receive sensitivity value, N 'is 1,2,3, … …, N'.
Optionally, in the case of testing the receiving performance of the communication terminal, the measuring device transmits a signal through the probe antenna, the communication terminal receives the signal transmitted by the probe antenna, the communication terminal selects z 'times of probe antennas to transmit a signal to the communication terminal at different n' positions, and obtains RSSI values R of n '× z' types of communication terminals at different positions in the state that different probe antennas transmit signals N’ (ii) a Optionally, by calculating:
obtaining a receiving sensitivity value; where λ is a second calibration factor, R N’ Is the RSSI value, R r For receiving sensitivity values, N ═1,2,3，……，n’*z’。
Optionally, in the case of testing the receiving performance of the communication terminal, the measuring device transmits a signal through the probe antenna, the communication terminal receives the signal transmitted by the probe antenna, and the communication terminal rotates the mechanical stirring device m 'times at n' different positions to obtain RSSI values R of n '× m' communication terminals at different positions and at different stirring angles of the mechanical stirring device N’ (ii) a Optionally, by calculating:
obtaining a receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r To receive the sensitivity values, N ' ═ 1,2,3, … …, N ' × m '.
Optionally, in the case of testing the receiving performance of the communication terminal, the measuring device transmits a signal through the probe antenna, the communication terminal receives a signal transmitted by the probe antenna, the communication terminal rotates the mechanical stirring device m 'times at n' different positions, and selects z 'times of probe antennas to transmit a signal to the communication terminal, so as to obtain RSSI values R of n' × m '× z' different positions of the communication terminal, different stirring angles of the mechanical stirring device, and different states of transmitting a signal by the probe antenna N’ (ii) a Optionally, by calculating:
obtaining a receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r To receive the sensitivity values, N '═ 1,2,3, … …, N' × m '× z'.
As shown in fig. 7, an example of the present disclosure provides a method for signal measurement of a communication terminal, including:
step S401, a transmission device transmits a communication terminal to a shielding room;
step S402, triggering the communication terminal to receive signals;
step S403, the transmission device transmits the communication terminal to different n ' positions, rotates the mechanical stirring equipment for m ' times, and selects the probe antenna for z ' timesTransmitting signals to a communication terminal, and acquiring RSSI values R of the communication terminal in different positions, at different stirring angles and in the states of transmitting signals by different probe antennas N’ ,N’＝1……n’*m’*z’；
Step S404, calculating by using Q, that is, n ' × m ' × z ' RSSI values through a second preset algorithm, to obtain a reception sensitivity value of the communication terminal;
in step S405, the transmission device transmits the communication terminal out of the shield room. And completing the receiving performance test of the communication terminal.
Optionally, when the receiving and transmitting performance of the communication terminal is tested, the communication terminal is transmitted into a plurality of mobile terminals to the shielding chamber through the transmission device for simultaneous testing. Under the condition of simultaneously testing the emission performance of a plurality of communication terminals, the position of the mobile terminal does not move at the moment, only the combination mode of the probe and the antenna is changed, and/or the rotation angle degree of the mechanical stirring equipment is changed to obtain a measurement sample, so that the overall radiation performance of the plurality of communication terminals can be directly measured, if the total power meets the expectation, the plurality of communication terminals pass the test in the whole, and if the total power does not reach the expectation, the plurality of communication terminals tested at the time are tested independently to finally find out the terminal to be tested with problems.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be only one type of logical functional division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (7)
1. The utility model provides a system for be used for communication terminal signal measurement, includes the shielded cell, sets up in array probe antenna in the shielded cell, its characterized in that still includes:
a transmission device configured to be controlled to transmit a communication terminal to a plurality of locations within the shielded room during signal measurement;
a measuring device configured to measure measurement samples of the communication terminal at a plurality of locations;
a processing device connected with the measuring device and configured to determine a measuring result according to the measuring samples at a plurality of positions;
the measurement samples comprise transmission power samples or RSSI values recorded by the communication terminal; the measurement results include: a transmitting power value of the communication terminal or a receiving sensitivity value of the communication terminal;
the processing device is configured to determine measurement results from measurement samples of a plurality of locations by: by calculation of
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s N is 1,2,3, … …, N; the transmission power samples are obtained by triggering the communication terminal to transmit signals under the condition of testing the transmission performance of the communication terminal, and the communication terminal is at different n positions, wherein n types of the transmission power samples are obtained when the communication terminal is at different positions; or the like, or a combination thereof,
the processing device is configured to determine measurement results from measurement samples at a plurality of locations by: by calculation of
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …,n x z; the transmitting power sample is a transmitting power sample which is obtained by triggering the communication terminal to transmit signals under the condition of testing the transmitting performance of the communication terminal, selecting z times of probe antennas to receive the signals of the communication terminal at different n positions of the communication terminal, and obtaining n x z types of transmitting power samples of the communication terminal at different positions and in the state that different probe antennas receive the signals; or the like, or, alternatively,
the processing device is configured to determine measurement results from measurement samples of a plurality of locations by: by calculation of
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …, N × m; the transmitting power samples are transmitting power samples of n × m types of communication terminals at different positions and in states of different stirring angles of the mechanical stirring equipment, wherein the transmitting power samples are obtained by triggering the communication terminals to transmit signals under the condition of testing the transmitting performance of the communication terminals, and the communication terminals rotate the mechanical stirring equipment for m times at different positions; or the like, or, alternatively,
the processing device is configured to determine measurement results from measurement samples of a plurality of locations by: by calculation of
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N ═ 1,2,3, … …, N ═ m ×, z; the transmitting power sample is a transmitting power sample which is obtained by triggering a communication terminal to transmit signals under the condition of testing the transmitting performance of the communication terminal, rotating the communication terminal at n different positions for m times by using mechanical stirring equipment, selecting z times probe antennas to receive the signals transmitted by the communication terminal, and obtaining n x m x z types of transmitting power samples of the communication terminal at different positions, of the mechanical stirring equipment at different stirring angles and of different probe antennas to receive the signals;
the processing device is configured to measure samples from a plurality of positions by the following methodThe present determination measurement results: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the reception sensitivity value, N '═ 1,2,3, … …, N'; the RSSI value is the RSSI value of n 'types of communication terminals at different positions, which is obtained when the measuring device transmits signals through the probe antenna under the condition of testing the receiving performance of the communication terminal, the communication terminal receives the signals transmitted by the probe antenna, and the communication terminal is at different n' positions; or the like, or a combination thereof,
the processing device is configured to determine measurement results from measurement samples at a plurality of locations by: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the receive sensitivity values, N ' ═ 1,2,3, … …, N ' × z '; the RSSI value is that under the condition of testing the transmission performance of the communication terminal, the communication terminal is triggered to transmit signals, the communication terminal rotates the mechanical stirring equipment for m times at n different positions, and n × m transmission power samples of the communication terminal are obtained when the communication terminal is at different positions and the mechanical stirring equipment is at different stirring angles; or the like, or, alternatively,
the processing device is configured to determine a measurement result from the Q measurement samples, comprising: by calculating
Obtaining a received sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the reception sensitivity values, N ' ═ 1,2,3, … …, N ' × m '; the RSSI value is n '× m' types obtained by the measuring device transmitting signals through the probe antenna under the condition of testing the receiving performance of the communication terminal, the communication terminal receiving the signals transmitted by the probe antenna, and the communication terminal rotating the mechanical stirring equipment for m 'times at different n' positionsThe RSSI values of the communication terminal are in different positions and the mechanical stirring equipment is in different stirring angles; or the like, or, alternatively,
the processing device is configured to determine measurement results from measurement samples at a plurality of locations by: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r To receive the sensitivity values, N '═ 1,2,3, … …, N' × m '× z'; the RSSI value is the RSSI value of n '× m' × z 'types of communication terminals at different positions, mechanical stirring equipment at different stirring angles and in the states of different probe antenna transmitting signals, wherein the RSSI value is obtained by the fact that a measuring device transmits signals through a probe antenna, the communication terminal receives the signals transmitted by the probe antenna, the communication terminal rotates m' times of mechanical stirring equipment at different n 'positions, z' times of probe antenna transmits signals to the communication terminal.
2. The system of claim 1, wherein the array probe antenna is configured to be controlled to select one or more probe antennas for signal measurement.
3. The system of claim 1, further comprising:
and the mechanical stirring equipment is arranged in the shielding chamber and is configured to be controlled to rotate by a plurality of angles in the process of signal measurement.
4. The system of claim 1, wherein the measurement samples comprise transmit power samples or RSSI values recorded by a communication terminal.
5. A method for signal measurement of a communication terminal, applied to the system of any one of claims 1 to 4, characterized in that the method comprises:
obtaining Q measurement samples of the communication terminal at n positions, wherein n is an integer larger than 1, and Q is an integer larger than or equal to n;
determining a measurement result according to the Q measurement samples;
the measurement samples comprise transmission power samples or RSSI values recorded by the communication terminal; the measurement results include: a transmitting power value of the communication terminal or a receiving sensitivity value of the communication terminal;
the determining a measurement result according to the Q measurement samples includes: by calculating
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …, N; the transmission power samples are obtained by triggering the communication terminal to transmit signals under the condition of testing the transmission performance of the communication terminal, and the communication terminal is at different n positions, wherein n types of the transmission power samples are obtained when the communication terminal is at different positions; or the like, or a combination thereof,
the determining a measurement result according to the Q measurement samples includes: by calculating
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N ═ 1,2,3, … …, N ═ z; the transmitting power sample is a transmitting power sample which is obtained by triggering the communication terminal to transmit signals under the condition of testing the transmitting performance of the communication terminal, selecting z times of probe antennas to receive the signals of the communication terminal at different n positions of the communication terminal, and obtaining n x z types of transmitting power samples of the communication terminal at different positions and in the state that different probe antennas receive the signals; or the like, or, alternatively,
the determining a measurement result according to the Q measurement samples includes: by calculation of
Obtaining the transmitting power value; wherein eta isA calibration factor, P N To transmit power samples, P s For the transmit power value, N is 1,2,3, … …, N × m; the transmitting power samples are transmitting power samples of n × m types of communication terminals at different positions and in states of different stirring angles of the mechanical stirring equipment, wherein the transmitting power samples are obtained by triggering the communication terminals to transmit signals under the condition of testing the transmitting performance of the communication terminals, and the communication terminals rotate the mechanical stirring equipment for m times at different positions; or the like, or a combination thereof,
the determining a measurement result according to the Q measurement samples includes: by calculating
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N ═ 1,2,3, … …, N ═ m ×, z; the transmitting power sample is a transmitting power sample which is obtained by triggering a communication terminal to transmit signals under the condition of testing the transmitting performance of the communication terminal, rotating the communication terminal at n different positions for m times by using mechanical stirring equipment, selecting z times probe antennas to receive the signals transmitted by the communication terminal, and obtaining n x m x z types of transmitting power samples of the communication terminal at different positions, of the mechanical stirring equipment at different stirring angles and of different probe antennas to receive the signals;
the determining a measurement result according to the Q measurement samples includes: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the receive sensitivity values, N '═ 1,2,3, … …, N'; the RSSI value is the RSSI value of n 'types of communication terminals at different positions, which is obtained when the communication terminal is at different n' positions and the communication terminal receives the signal transmitted by the probe antenna under the condition of testing the receiving performance of the communication terminal; or the like, or, alternatively,
the determining a measurement result according to the Q measurement samples includes: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the receive sensitivity values, N ' ═ 1,2,3, … …, N ' × z '; the RSSI value is a transmission power sample of n × m communication terminals at different positions and in the states that the mechanical stirring equipment is at different stirring angles, wherein the communication terminal is triggered to transmit signals under the condition of testing the transmission performance of the communication terminal, and the mechanical stirring equipment rotates m times at different positions; or the like, or, alternatively,
the determining a measurement result according to the Q measurement samples includes: by calculating
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For receive sensitivity values, N ' ═ 1,2,3, … …, N ' × m '; the RSSI value is the RSSI value of n '× m' communication terminals at different positions and mechanical stirring equipment at different stirring angles, wherein the RSSI value is obtained by the way that the measuring device transmits signals through the probe antenna under the condition of testing the receiving performance of the communication terminal, the communication terminal receives the signals transmitted by the probe antenna, and the communication terminal rotates the mechanical stirring equipment for m 'times at different n' positions; or the like, or, alternatively,
the determining a measurement result according to the Q measurement samples includes: by calculating
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r To receive the sensitivity values, N '═ 1,2,3, … …, N' × m '× z'; the RSSI value is that under the condition of testing the receiving performance of the communication terminal, the measuring device transmits signals through the probe antenna, the communication terminal receives the signals transmitted by the probe antenna, the communication terminal rotates the mechanical stirring equipment for m ' times at different n ' positions, and z ' times of probe antennas are selected to transmit signals to the communication terminalAnd transmitting signals by the terminal, and obtaining RSSI values of n '. m '. z ' types of communication terminals at different positions, mechanical stirring equipment at different stirring angles and different probe antennas in the state of transmitting signals.
6. The method of claim 5, wherein Q is n z, wherein z is the number of times the probe antenna is selected for signal measurement, and wherein z is an integer greater than 1.
7. A method for signal measurement of a communication terminal, applied to the system of claim 3, wherein the method comprises:
obtaining Q measurement samples of a communication terminal at n positions, wherein n is an integer larger than 1;
determining a measurement result according to the Q measurement samples;
wherein, Q ═ n × m or Q ═ n × m × z, m is the number of controlled rotation angles of the mechanical stirring equipment, z is the number of times of signal measurement by selecting the probe antenna, and m and z are integers greater than 1;
the measurement samples comprise transmission power samples or RSSI values recorded by the communication terminal; the measurement results include: a transmitting power value of the communication terminal or a receiving sensitivity value of the communication terminal;
the determining a measurement result according to the Q transmit power samples comprises: calculating by using the Q transmission power samples through a first preset algorithm to obtain a transmission power value of the communication terminal; or the like, or, alternatively,
the determining a measurement result according to the Q RSSI values recorded by the communication terminal includes: calculating by using Q RSSI values recorded by the communication terminal through a second preset algorithm to obtain a receiving sensitivity value of the communication terminal;
the obtaining the transmission power value of the communication terminal by calculating the Q transmission power samples through a first preset algorithm includes: by calculation of
Obtaining the transmitting power value; it is composed ofWhere η is the first calibration coefficient, P N To transmit power samples, P s N is 1,2,3, … …, N; the transmission power samples are obtained by triggering the communication terminal to transmit signals under the condition of testing the transmission performance of the communication terminal, and the communication terminal is at different n positions, wherein n types of the transmission power samples are obtained when the communication terminal is at different positions; or the like, or, alternatively,
the obtaining the transmission power value of the communication terminal by calculating the Q transmission power samples through a first preset algorithm includes: by calculation of
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N ═ 1,2,3, … …, N ═ z; the transmitting power sample is a transmitting power sample which is obtained by triggering the communication terminal to transmit signals under the condition of testing the transmitting performance of the communication terminal, selecting z times of probe antennas to receive the signals of the communication terminal at different n positions of the communication terminal, and obtaining n x z types of transmitting power samples of the communication terminal at different positions and in the state that different probe antennas receive the signals; or the like, or a combination thereof,
the obtaining the transmission power value of the communication terminal by calculating the Q transmission power samples through a first preset algorithm includes: by calculation of
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s N is 1,2,3, … …, N is m; the transmitting power samples are transmitting power samples obtained by triggering the communication terminal to transmit signals under the condition of testing the transmitting performance of the communication terminal, rotating the mechanical stirring equipment for m times at n different positions by the communication terminal, and enabling n × m communication terminals to be at different positions and the mechanical stirring equipment to be at different stirring angles; or the like, or, alternatively,
said calculating by a first preset algorithm using said Q transmit power samples,obtaining a transmission power value of the communication terminal, comprising: by calculation of
Obtaining the transmitting power value; where η is a first calibration coefficient, P N To transmit power samples, P s For the transmit power value, N ═ 1,2,3, … …, N ═ m ×, z; the transmitting power sample is a transmitting power sample which is obtained by triggering a communication terminal to transmit signals under the condition of testing the transmitting performance of the communication terminal, rotating the communication terminal at n different positions for m times by using mechanical stirring equipment, selecting z times probe antennas to receive the signals transmitted by the communication terminal, and obtaining n x m x z types of transmitting power samples of the communication terminal at different positions, of the mechanical stirring equipment at different stirring angles and of different probe antennas to receive the signals;
the calculating by using the Q RSSI values recorded by the communication terminal through a second preset algorithm to obtain the reception sensitivity value of the communication terminal includes: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the receive sensitivity values, N '═ 1,2,3, … …, N'; the RSSI value is the RSSI value of n 'types of communication terminals at different positions, which is obtained when the communication terminal is at different n' positions and the communication terminal receives the signal transmitted by the probe antenna under the condition of testing the receiving performance of the communication terminal; or the like, or, alternatively,
the calculating by using the Q RSSI values recorded by the communication terminal through a second preset algorithm to obtain the reception sensitivity value of the communication terminal includes: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration factor, R N’ Is the RSSI value, R r For the receive sensitivity values, N ' ═ 1,2,3, … …, N ' × z '; RSSI value is under testUnder the condition of the transmitting performance of the communication terminal, triggering the communication terminal to transmit signals, rotating the mechanical stirring equipment for m times at different n positions by the communication terminal, and obtaining transmitting power samples of n × m types of communication terminals at different positions and under the condition that the mechanical stirring equipment is at different stirring angles; or the like, or, alternatively,
the obtaining of the receiving sensitivity value of the communication terminal by calculating through a second preset algorithm by using Q RSSI values recorded by the communication terminal includes: by calculation of
Obtaining a receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r For the reception sensitivity values, N ' ═ 1,2,3, … …, N ' × m '; the RSSI value is the RSSI value of n '× m' types of communication terminals at different positions and mechanical stirring equipment at different stirring angles, which is obtained by rotating the mechanical stirring equipment m 'times at different n' positions when the measuring device transmits signals through the probe antenna and the communication terminal receives the signals transmitted by the probe antenna under the condition of testing the receiving performance of the communication terminal; or the like, or, alternatively,
the calculating by using the Q RSSI values recorded by the communication terminal through a second preset algorithm to obtain the reception sensitivity value of the communication terminal includes: by calculation of
Obtaining the receiving sensitivity value; where λ is a second calibration coefficient, R N’ Is the RSSI value, R r To receive the sensitivity values, N '═ 1,2,3, … …, N' × m '× z'; the RSSI value is that under the condition of testing the receiving performance of the communication terminal, the measuring device transmits signals through the probe antenna, the communication terminal receives the signals transmitted by the probe antenna, the communication terminal rotates the mechanical stirring equipment for m 'times at different n' positions, the probe antenna for z 'times is selected to transmit the signals to the communication terminal, and the obtained n' × m '× z' types of communication terminals are positioned at different positions, the mechanical stirring equipment is positioned at different stirring angles, and the different probe antennas are positioned at different probe antennasRSSI values in the state of the transmitted signal.
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