CN113783638B - Communication assembly, signal calibration system and method thereof - Google Patents
Communication assembly, signal calibration system and method thereof Download PDFInfo
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- CN113783638B CN113783638B CN202010524469.0A CN202010524469A CN113783638B CN 113783638 B CN113783638 B CN 113783638B CN 202010524469 A CN202010524469 A CN 202010524469A CN 113783638 B CN113783638 B CN 113783638B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 abstract description 38
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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Abstract
The embodiment of the application provides a communication assembly, a signal calibration system and a method thereof. The communication assembly includes: an antenna group, a line selector and a signal processor; the line selector is in communication connection with the antenna group and the signal processor; in the working state, a plurality of antennas in the antenna group are in one-to-one corresponding signal communication with a plurality of channels of the signal processor through the line selector; in a signal calibration state, the line selector is in signal communication with one antenna in the antenna group and each channel of the signal processor one by one and is used for being matched with the detector to realize signal measurement of each channel of the signal processor through being in communication connection with one antenna in the antenna group; the signal processor is provided with a first interface, and the first interface is used for being in communication connection with the upper computer, so that signal calibration of a corresponding channel of the signal processor according to a signal value measured by the detector is realized. The embodiment of the application can carry out deviation compensation aiming at the difference of all channels, improves the compensation precision and simplifies the detection operation.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a communications module, a signal calibration system and a method thereof.
Background
In order to improve the signal receiving sensitivity or the information throughput rate, the conventional communication terminal generally adopts MIMO (multiple input multiple output ) technology, that is, an antenna system that forms a plurality of channels between transmission and reception.
Because of the hardware difference in the production of the communication terminal, the receiving and transmitting parameters of each channel are inevitably deviated, and in order to ensure that the delivery performance of each channel of the communication terminal is consistent, the communication terminal is usually compensated by calibration. However, the existing MIMO calibration scheme is limited by the detection space and the detection cost, so that it is difficult to compensate for the deviation of the difference of all channels, and the factory performance of the communication terminal is limited.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a communication assembly, a signal calibration system and a method thereof, which are used for solving the technical problem that the deviation compensation is difficult to be carried out aiming at the difference of all channels in the prior art.
In a first aspect, embodiments of the present application provide a communications assembly, including: an antenna group, a line selector and a signal processor; the line selector is in communication connection with the antenna group and the signal processor;
in the working state, a plurality of antennas in the antenna group are in one-to-one corresponding signal communication with a plurality of channels of the signal processor through the line selector;
in a signal calibration state, the line selector is in signal communication with one antenna in the antenna group and each channel of the signal processor one by one and is used for being matched with the detector to realize signal measurement of each channel of the signal processor through being in communication connection with one antenna in the antenna group;
the signal processor is provided with a first interface, and the first interface is used for being in communication connection with the upper computer, so that signal calibration of a corresponding channel of the signal processor according to a signal value measured by the detector is realized.
In a second aspect, an embodiment of the present application provides a communication terminal, including: the communication assembly as provided in the first aspect above.
In a third aspect, an embodiment of the present application provides a signal calibration system, including a communication component as provided in the first aspect, or a communication terminal as provided in the second aspect, and further including a detector and an upper computer;
the detector is in communication connection with one antenna of the antenna group in the communication assembly;
the upper computer is in communication connection with a second interface of the circuit selector in the communication assembly;
the detector is connected with the upper computer in a communication way.
In a fourth aspect, an embodiment of the present application provides a signal calibration method, which is based on the signal calibration system provided in the third aspect, and includes the following steps:
the upper computer controls the line selector to communicate one antenna in the antenna group with each channel in the signal processor one by one;
the detector acquires the signal value of each channel in the signal processor from one antenna in the antenna group and sends the signal value to the upper computer;
and the upper computer performs signal calibration on the corresponding channel of the signal processor according to the signal value of each channel.
The beneficial technical effects that a communication module, communication device or signal calibration system that this application embodiment provided include:
a line selector is additionally arranged between the antenna group and the signal processor, so that one-to-one corresponding signal communication of a plurality of antennas in the antenna group and a plurality of channels of the signal processor can be realized, a multi-channel antenna system under the MIMO technology is formed, and the signal receiving sensitivity and the information throughput rate of the communication terminal under the working state are improved;
the line selector is additionally arranged between the antenna group and the signal processor, so that signal communication between one antenna in the antenna group and a plurality of channels of the signal processor can be realized one by one, and detection can be realized on all channels in the signal processor only by connecting a detector with one antenna in the antenna group in a communication manner in the detection process, and the communication assembly can realize detection only by reserving one detection interface, and the detector can complete detection only by configuring one detection line, so that the structures of detection hardware and detected hardware can be simplified; meanwhile, the deviation compensation can be carried out by the calibration equipment according to the personalized hardware difference of each channel in the signal processor, and the delivery performance of the communication terminal can be greatly improved.
The signal calibration method provided by the embodiment of the application has the beneficial technical effects that: the detection instrument is only required to be in communication connection with one antenna in the antenna group, the antenna in the antenna group is in signal communication with a plurality of channels of the signal processor one by one through the control circuit selector, the signal value of each channel in the signal processor can be acquired one by one from the antenna by the detection instrument, the detection operation can be simplified, meanwhile, the upper computer can carry out deviation compensation aiming at the personalized hardware difference of each channel in the signal processor, and the factory performance of the communication terminal can be greatly improved.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a communication assembly according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a signal calibration system according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a signal calibration method according to an embodiment of the present application;
fig. 4 is a flowchart of another signal calibration method according to an embodiment of the present application.
In the figure:
1-antenna group; RX0-RX3 are 4 antennas in antenna group 1;
2-a signal processor; 21-a first interface;
a 3-line selector; 31-a first signal terminal; 32-a second signal terminal; 33-a second interface; 34-power supply;
4-a detector; 41-detecting lines;
5-upper computer.
Detailed Description
Examples of embodiments of the present application are illustrated in the accompanying drawings, in which like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. Further, if detailed description of the known technology is not necessary for the illustrated features of the present application, it will be omitted. The embodiments described below by referring to the drawings are exemplary only for the purpose of illustrating the present application and are not to be construed as limiting the present application.
It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
Several terms which are referred to in this application are first introduced and explained:
MIMO technology refers to the ability to multiply increase the capacity and spectrum utilization of a communication system without increasing bandwidth. It may be defined that there are multiple independent channels between the transmitting end and the receiving end, that is, there are sufficient intervals between the antenna units, so that the correlation of signals between antennas is eliminated, the link performance of signals is improved, and the data throughput is increased.
The inventors of the present application studied and found that the antenna group 1 of the communication terminal employing the MIMO technology has a plurality of independent antennas. Taking 4-antenna MIMO as an example, 4-antenna MIMO refers to that there are 4 antennas in a communication terminal to communicate 4 channels with corresponding signals. Because the communication terminal has hardware difference in production, the receiving and transmitting parameters of each channel are inevitably deviated, and in order to ensure that the delivery performance of each channel of the communication terminal is consistent, the communication terminal needs to be compensated by calibration.
Currently, due to space and cost considerations, the number of detection interfaces available for calibration measurement is less than the number of channels, and detection for each channel is difficult to achieve, so that the existing MIMO calibration mainly adopts the following two schemes:
the existing scheme I is as follows: only the channels corresponding to one or a plurality of antennas of the communication terminal are calibrated, and the obtained calibration data are multiplexed to the channels corresponding to other diversity antennas. That is, only the deviation of the channels corresponding to the antenna RX0 and the antenna RX1 is detected and calibrated, the obtained calibration data of the channels corresponding to the antenna RX0 and the antenna RX1 are multiplexed on the channels corresponding to the antenna RX2 and the antenna RX3, that is, the channels corresponding to the antenna RX2 and the antenna RX3 are not detected, and only the data is multiplexed to realize the calibration.
The existing scheme II: and detecting channels corresponding to the antennas RX2 and RX3 of the plurality of standard prototypes, taking the weighted average of the obtained calibration data as standard data, and multiplexing the standard data onto other communication terminal products. At this time, only the standard prototype configures the detection interface corresponding to the number of channels, i.e. the communication terminal product is also provided with only two test seats for detecting the channels corresponding to the antenna RX0 and the antenna RX 1.
It can be seen that the existing MIMO calibration scheme mainly adopts a multiplexing calibration mode, i.e. the calibration data of one or several channels in the detected communication terminal is multiplexed into other channels of the detected communication terminal, or the calibration data of the standard prototype is multiplexed into the corresponding channels of the detected communication terminal. Obviously, the multiplexing result cannot perfectly adapt to the personalized deviation compensation of all channels, and the delivery performance of the communication terminal is limited.
The application provides a communication assembly, a signal calibration system and a signal calibration method, and aims to solve the technical problems in the prior art.
The following describes the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems in detail with specific embodiments.
The embodiment of the application provides a communication assembly, the structural schematic diagram of which is shown in fig. 1, including: an antenna group 1, a line selector 3 and a signal processor 2; the line selector 3 is in communication connection with the antenna group 1 and the signal processor 2;
in the working state, a plurality of antennas in the antenna group 1 are in one-to-one corresponding signal communication with a plurality of channels of the signal processor 2 through the line selector 3;
in a signal calibration state, the line selector 3 is in signal communication with one antenna in the antenna group 1 and each channel of the signal processor 2 one by one, and is used for being matched with the detector 4 to realize signal measurement of each channel of the signal processor 2 by being in communication connection with one antenna in the antenna group 1;
the signal processor 2 has a first interface 21, and the first interface 21 is used for being in communication connection with the upper computer 5, so as to realize signal calibration of the corresponding channel of the signal processor 2 according to the signal value measured by the detector 4.
In this embodiment, the line selector 3 is a communication bridge between the antenna group 1 and the signal processor 2, and the line selector 3 may implement one-to-one signal communication between a plurality of antennas in the antenna group 1 and a plurality of channels of the signal processor 2, or may implement one-to-one signal communication between a certain antenna in the antenna group 1 and a plurality of channels of the signal processor 2.
When the line selector 3 is in a state of communicating the signals corresponding to the plurality of antennas in the antenna group 1 and the plurality of channels of the signal processor 2, a multi-channel antenna system under the MIMO technology can be formed by the line selector 1 and the signal processor 2, and the signal receiving sensitivity and the information throughput rate of the communication component under the working state are improved.
When the line selector 3 is in a state of communicating one antenna of the antenna group 1 with a plurality of channels of the signal processor 2 one by one, detection of all channels of the signal processor 2 can be realized in cooperation with the detector 4. In the detection process, the detector 4 is only required to be in communication connection with one antenna in the antenna group 1, so that detection can be realized on all channels in the signal processor 2, the communication assembly can realize detection only by reserving one detection interface, the detector 4 can complete detection only by configuring one detection line 41, the structure of detection hardware and detected hardware can be simplified, and the construction difficulty of a factory calibration station can be reduced. Moreover, the offset compensation can be carried out by the calibration equipment such as the upper computer 5 and the like according to the personalized hardware difference of each channel in the signal processor 2, and the factory performance of the communication terminal can be greatly improved.
For a 4-antenna MIMO communication assembly, the line selector 3 may alternatively be a 4P4T (4 pole 4 throw) selector.
The inventors of the present application consider that in the signal calibration state, the line selector 3 needs to signal each channel of the signal processor 2 and one antenna of the antenna group 1 one by one. To this end, the present application provides the line selector 3 with one possible implementation as follows:
as shown in fig. 1, the line selector 3 of the embodiment of the present application includes: a number of first signal terminals 31, a number of second signal terminals 32 and a number of line selectors (not labeled in the figure).
The plurality of first signal terminals 31 are in one-to-one communication connection with the plurality of antennas in the antenna group 1.
The second signal terminals 32 are in one-to-one communication connection with the channels of the signal processor 2.
One end of each line selection member is in communication connection with one first signal terminal 31, and the other end of each line selection member is in communication connection with each second signal terminal 32 in an on-off manner one by one.
In the present embodiment, the first signal terminals 31 of the line selector 3 are located on the antenna side of the line selector 3 and are used for communication connection with the antennas of the antenna group 1 in a one-to-one correspondence. The second signal terminals 32 of the line selector 3 are located on the signal processor 2 side of the line selector 3 and are used for communication connection with the channels of the signal processor 2 in a one-to-one correspondence.
Each of the line selection members of the line selector 3 is in fixed communication connection with one of the first signal terminals 31 on the antenna side, and each of the line selection members is in communication connection with each of the second signal terminals 32 on the signal processor 2 side in an on-off manner, so that any one of the antennas of the antenna group 1 can be connected with each of the channels of the signal processor 2. The switching between the working state and the signal calibration state of the communication component can be realized by controlling each line selection piece. Specifically, the signal processor 2 side controlling the plurality of line selection members is in signal connection with the plurality of second signal terminals 32 in one-to-one correspondence, so that the communication assembly can be switched to the working state; the signal processor 2 side of a circuit selector is controlled to be connected with each second signal terminal 32 one by one, so that the communication assembly can be switched to the signal calibration state.
Based on the same considerations as above, the present application provides the line selector 3 with another possible implementation as follows:
as shown in fig. 1, the line selector 3 of the embodiment of the present application includes: a number of first signal terminals 31, a number of second signal terminals 32 and a number of line selectors (not labeled in the figure).
The plurality of first signal terminals 31 are in one-to-one communication connection with the plurality of antennas in the antenna group 1.
The second signal terminals 32 are in one-to-one communication connection with the channels of the signal processor 2.
One end of each line selection member is communicably connected to each first signal terminal 31 one by one, and the other end of each line selection member is communicably connected to one second signal terminal 32.
The difference between this embodiment and the previous embodiment is that each of the line selection members of the line selector 3 is communicably connected to one of the first signal terminals 31 on the antenna side in an on-off manner, each of the line selection members is communicably connected to the respective second signal terminals 32 on the signal processor 2 side in a fixed manner, and it is also possible to realize that any one of the antennas of the antenna group 1 can be connected to each of the channels of the signal processor 2. The switching between the working state and the signal calibration state of the communication assembly can also be realized by controlling each line selection piece. Specifically, the signal processor 2 side controlling the plurality of line selection members is in signal connection with the plurality of first signal terminals 31 in one-to-one correspondence, so that the communication assembly can be switched to the working state; the signal processor 2 side of a circuit selection element is controlled to be connected with each first signal terminal 31 one by one, so that the communication assembly can be switched to a signal calibration state.
The inventors of the present application consider that a specified change in the signal conduction state of the line selector 3 requires control and driving. To this end, the present application provides the line selector 3 with one possible implementation as follows:
as shown in fig. 1, the line selector 3 of the embodiment of the present application further includes: a drive mechanism (not depicted), a power source 34 and a second interface 33.
The driving mechanism is in driving connection with the line selector for driving the line selector to signal-communicate the designated first signal terminal 31 and second signal terminal 32 to realize the line selector 3.
The power supply 34 is electrically connected to the drive mechanism.
One end of the second interface 33 is in communication connection with the driving mechanism, and the other end of the second interface 33 is used for communication connection with the upper computer 5 or the control device.
In this embodiment, the driving mechanism is used to drive the line selector to signal the designated first signal terminal 31 and second signal terminal 32, so as to help the communication component switch between the working state and the signal calibration state, and help the communication component to signal one by one the plurality of channels of the signal processor 2 in the signal calibration state.
The driving instruction of the driving mechanism may be sent by the upper computer 5 or other control devices, and specifically, the upper computer 5 sends the driving instruction signal to the line selector 3 through the second interface 33 of the line selector 3.
The power supply 34 is used to provide the required power to the drive mechanism. Alternatively, the power supply 34 may be independently integrated with the line selector 3, or may be shared with other electrical components of the communication terminal provided below.
Based on the same inventive concept, an embodiment of the present application provides a communication terminal, including: a communication assembly as any one of the above embodiments provides.
In this embodiment, the communication terminal adopts any one of the communication components in the foregoing embodiments, so that the technical principles and effects corresponding to the foregoing embodiments are provided, and are not described herein.
Based on the same inventive concept, an embodiment of the present application provides a signal calibration system, as shown in fig. 2, including any one of the communication components provided in the above embodiments, or a communication terminal provided in the above embodiments, and further including a detector 4 and an upper computer 5.
The detector 4 is in communication with one of the antennas of the antenna array 1 of the communication assembly.
The upper computer 5 is in communication connection with the second interface 33 of the line selector 3 in the communication assembly.
The detector 4 is connected with the upper computer 5 in a communication way.
In this embodiment, the upper computer 5 can control the line selector 3 to switch the communication component between the working state and the signal calibration state, and to enable one antenna to be in signal communication with a plurality of channels of the signal processor 2 in the signal calibration state, so that the detector 4 can detect each channel of the signal processor 2 from one antenna of the antenna group 1. The upper computer 5 can realize signal calibration of the corresponding channel of the signal processor 2 according to the signal value of each channel.
Therefore, the communication assembly can realize detection by only leaving one detection interface, and the detector can complete detection by only configuring one detection line, so that the structure of detection hardware and detected hardware can be simplified. The deviation compensation is carried out for the personalized hardware difference of each channel in the signal processor, so that the factory performance of the communication terminal can be greatly improved.
Based on the same inventive concept, the embodiments of the present application provide a signal calibration method, based on any one of the communication components provided in the above embodiments, or based on the communication terminal provided in the above embodiments, a flow chart of the method is shown in fig. 3, and the method includes steps S101 to S103:
s101: the upper computer 5 controls the line selector 3 to communicate one antenna of the antenna group 1 with each channel of the signal processor 2 one by one.
S102: the detector 4 acquires the signal value of each channel in the signal processor 2 from one antenna in the antenna group 1, and sends the signal value to the upper computer 5.
S103: the upper computer 5 performs signal calibration on the corresponding channel of the signal processor 2 according to the signal value of each channel.
In this embodiment, the upper computer 5 is configured to signal-communicate a certain antenna in the antenna group 1 with a plurality of channels of the signal processor 2 one by one through the control circuit selector 3, and the detector 4 can acquire the signal value of each channel in the signal processor 2 one by one from the antenna. The whole detection process only needs to connect the detector 4 with one antenna in the antenna group 1 in a communication way, so that the detection operation can be simplified. And because the signal value of each channel in the signal processor 2 can be measured (i.e. the deviation of each channel can be obtained), the upper computer 5 can perform deviation compensation for the personalized hardware difference of each channel in the signal processor 2, and the factory performance of the communication terminal can be greatly improved.
In some possible embodiments, in the step S101, the upper computer 5 controls the line selector 3 to signal one antenna in the antenna group 1 with each channel in the signal processor 2 one by one, and the method includes the following steps:
the host computer 5 controls one end of at least one line selector of the line selector 3 to be communicatively connected to one first signal terminal 31.
The upper computer 5 controls the other end of at least one line selection member of the line selector 3 to be in communication connection with each second signal terminal 32 in an on-off manner one by one.
The first signal terminals 31 of the line selector 3 are located at the antenna side of the line selector 3 and are used for one-to-one corresponding communication connection with the antennas of the antenna group 1. The second signal terminals 32 of the line selector 3 are located on the signal processor 2 side of the line selector 3 and are used for communication connection with the channels of the signal processor 2 in a one-to-one correspondence.
In this embodiment, the upper computer 5 controls one end of at least one line selection element of the line selector 3 to be in communication connection with the first signal terminal 31 on the antenna side, and the other end of the at least one line selection element is in communication connection with the second signal terminal 32 on the signal processor 2 side one by one in an on-off manner, so that the at least one line selection element can realize signal communication between the first signal terminal 31 on the antenna side and each second signal terminal 32 on the signal processor 2 side one by one, so that the detector 4 can acquire the signal value of each channel in the signal processor 2 one by one at the antenna corresponding to the first signal terminal 31.
In other possible embodiments, in the step S101, the host computer 5 controls the line selector 3 to signal one antenna in the antenna group 1 with each channel in the signal processor 2 one by one, and the method includes the following steps:
the upper computer 5 controls the other ends of the line selection pieces of the line selector 3 to be in communication connection with the second signal terminals 32 in a one-to-one correspondence.
The upper computer 5 controls one end of each of the line selection members of the line selector 3 one by one to be communicably connected to the first signal terminal 31 communicably connected to one antenna.
This embodiment is substantially identical to the previous embodiment, except that: in this embodiment, the upper computer 5 controls one end of at least one line selection element of the line selector 3 to be in communication connection with the first signal terminal 31 on the antenna side one by one in an on-off manner, and the other end of the at least one line selection element is in communication connection with the second signal terminal 32 on the signal processor 2 side, so that the at least one line selection element can also realize that the one first signal terminal 31 on the antenna side is in signal communication with each second signal terminal 32 on the signal processor 2 side one by one, and the detector 4 can also conveniently acquire the signal value of each channel in the signal processor 2 one by one at the antenna corresponding to the one first signal terminal 31.
The embodiment of the present application provides another signal calibration method, based on any one of the communication components provided in the above embodiments or the communication terminal provided in the above embodiments, a flow chart of the method is shown in fig. 4, and the method includes steps S201 to S205:
s201: the host computer 5 is communicatively connected to the first interface 21 of the signal processor 2, and then step S204 is performed.
After the host computer 5 is communicatively connected to the first interface 21 in this step S201, a drive command for driving the line selector signal communication specification signal terminal may be transmitted to the line selector 3.
S202: the detector 4 is communicatively connected to one of the antennas of the antenna group 1, after which step S204 is performed.
Through this step S202, the detector 4 is ready to acquire a signal value from the antenna.
S203: the upper computer 5 controls the line selector 3 to communicate one antenna of the antenna group 1 with each channel of the signal processor 2 one by one.
S204: the detector 4 acquires the signal value of each channel in the signal processor 2 from one antenna in the antenna group 1, and sends the signal value to the upper computer 5.
The detector 4 may complete the acquisition of the signal value (i.e. the offset value) of each channel in the signal processor 2 from one antenna, via steps S203-S204.
S205: the upper computer 5 performs signal calibration on the corresponding channel of the signal processor 2 according to the signal value of each channel.
Through step S205, the upper computer 5 performs deviation compensation on the personalized hardware difference of each channel in the signal processor 2 according to the signal value of each channel in the signal processor 2 detected by the detector 4, thereby achieving the purpose of improving the factory performance of the communication terminal.
Alternatively, the order of steps S201-S203 need not be strictly required, and may be freely selected according to the preference of the operator.
By applying the embodiment of the application, at least the following beneficial effects can be realized:
1. a line selector is additionally arranged between the antenna group and the signal processor, so that one-to-one corresponding signal communication of a plurality of antennas in the antenna group and a plurality of channels of the signal processor can be realized, a multi-channel antenna system under the MIMO technology is formed, and the signal receiving sensitivity and the information throughput rate of the communication terminal under the working state are improved;
2. the line selector is additionally arranged between the antenna group and the signal processor, so that signal communication between one antenna in the antenna group and a plurality of channels of the signal processor can be realized one by one, and detection can be realized on all channels in the signal processor only by connecting a detector with one antenna in the antenna group in a communication manner in the detection process, and the communication assembly can realize detection only by reserving one detection interface, and the detector can complete detection only by configuring one detection line, so that the structures of detection hardware and detected hardware can be simplified;
3. meanwhile, the deviation compensation can be carried out by the calibration equipment according to the personalized hardware difference of each channel in the signal processor, and the delivery performance of the communication terminal can be greatly improved.
Those of skill in the art will appreciate that the various operations, methods, steps in the flow, actions, schemes, and alternatives discussed in the present application may be alternated, altered, combined, or eliminated. Further, other steps, means, or steps in a process having various operations, methods, or procedures discussed in this application may be alternated, altered, rearranged, split, combined, or eliminated. Further, steps, measures, schemes in the prior art with various operations, methods, flows disclosed in the present application may also be alternated, altered, rearranged, decomposed, combined, or deleted.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the flowcharts of the figures may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily being sequential, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (9)
1. A multiple-in multiple-out communication assembly, comprising: an antenna group (1), a line selector (3) and a signal processor (2); the line selector (3) is in communication connection with the antenna group (1) and the signal processor (2);
in the working state, a plurality of antennas in the antenna group (1) are in one-to-one corresponding signal communication with a plurality of channels of the signal processor (2) through the line selector (3), so as to form a multi-channel antenna system under the multi-input multi-output technology;
in a signal calibration state, the line selector (3) is in signal communication with one antenna in the antenna group (1) and each channel of the signal processor (2) one by one, and is used for being matched with the detector (4) to realize signal measurement of each channel of the signal processor (2) through being in communication connection with one antenna in the antenna group (1);
the signal processor (2) is provided with a first interface (21), and the first interface (21) is used for being in communication connection with the upper computer (5) to realize signal calibration of the corresponding channel of the signal processor (2) according to the signal value measured by the detector (4).
2. The communication assembly according to claim 1, wherein the line selector (3) comprises: a plurality of first signal terminals (31), a plurality of second signal terminals (32) and a plurality of line selection members;
the plurality of first signal terminals (31) are in one-to-one corresponding communication connection with the plurality of antennas in the antenna group (1);
the second signal terminals (32) are in one-to-one correspondence communication connection with the channels of the signal processor (2);
one end of each line selection piece is in communication connection with one first signal terminal (31), and the other end of each line selection piece is in communication connection with each second signal terminal (32) in an on-off mode one by one.
3. The communication assembly according to claim 1, wherein the line selector (3) comprises: a plurality of first signal terminals (31), a plurality of second signal terminals (32) and a plurality of line selection members;
the plurality of first signal terminals (31) are in one-to-one corresponding communication connection with the plurality of antennas in the antenna group (1);
the second signal terminals (32) are in one-to-one correspondence communication connection with the channels of the signal processor (2);
one end of each line selection piece is in communication connection with each first signal terminal (31) in an on-off mode one by one, and the other end of each line selection piece is in communication connection with one second signal terminal (32).
4. A communication assembly according to claim 2 or 3, wherein the line selector (3) further comprises: a drive mechanism, a power supply (34) and a second interface (33);
the driving mechanism is in driving connection with the line selection piece;
the power supply (34) is electrically connected with the driving mechanism;
one end of the second interface (33) is in communication connection with the driving mechanism, and the other end of the second interface (33) is used for being in communication connection with the upper computer (5) or the control equipment.
5. A communication terminal, comprising: a communications assembly as claimed in any one of claims 1 to 4.
6. Signal calibration system, characterized by comprising a communication assembly according to any of the preceding claims 1-4, or a communication terminal according to claim 5, further comprising a detector (4) and an upper computer (5);
the detector (4) is in communication connection with one antenna of the antenna group (1) in the communication assembly;
the upper computer (5) is in communication connection with a second interface (33) of the circuit selector (3) in the communication assembly;
the detector (4) is in communication connection with the upper computer (5).
7. A signal calibration method based on the calibration system of claim 6, comprising the steps of:
the upper computer (5) controls the line selector (3) to communicate one antenna in the antenna group (1) with each channel in the signal processor (2) one by one;
the detector (4) acquires the signal value of each channel in the signal processor (2) from one antenna in the antenna group (1) and sends the signal value to the upper computer (5);
and the upper computer (5) performs signal calibration on the corresponding channel of the signal processor (2) according to the signal value of each channel.
8. The signal calibration method according to claim 7, wherein the line selector (3) comprises: a plurality of first signal terminals (31), a plurality of second signal terminals (32) and a plurality of line selection members; the upper computer (5) controls the line selector (3) to communicate one antenna in the antenna group (1) with each channel in the signal processor (2) one by one, and the method comprises the following steps:
the upper computer (5) controls one end of at least one line selection part of the line selector (3) to be in communication connection with a first signal terminal (31);
the upper computer (5) controls the other end of at least one line selection piece of the line selector (3) to be in communication connection with each second signal terminal (32) one by one in an on-off mode.
9. The signal calibration method according to claim 7, wherein the line selector (3) comprises: a plurality of first signal terminals (31), a plurality of second signal terminals (32) and a plurality of line selection members; the upper computer (5) controls the line selector (3) to communicate one antenna in the antenna group (1) with each channel in the signal processor (2) one by one, and the method comprises the following steps:
the upper computer (5) controls the other ends of the line selection pieces of the line selector (3) to be in one-to-one corresponding communication connection with the second signal terminals (32);
the upper computer (5) controls one end of each line selection piece of the line selector (3) one by one to be in communication connection with a first signal terminal (31) which is in communication connection with one antenna in an on-off mode.
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