CN108934039B - Antenna feeder intermodulation detection method, device and system - Google Patents

Antenna feeder intermodulation detection method, device and system Download PDF

Info

Publication number
CN108934039B
CN108934039B CN201710373019.4A CN201710373019A CN108934039B CN 108934039 B CN108934039 B CN 108934039B CN 201710373019 A CN201710373019 A CN 201710373019A CN 108934039 B CN108934039 B CN 108934039B
Authority
CN
China
Prior art keywords
rru
antenna
intermodulation
type
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710373019.4A
Other languages
Chinese (zh)
Other versions
CN108934039A (en
Inventor
张敏
王大鹏
刘婧迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
Original Assignee
China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Mobile Communications Group Co Ltd, China Mobile Communications Ltd Research Institute filed Critical China Mobile Communications Group Co Ltd
Priority to CN201710373019.4A priority Critical patent/CN108934039B/en
Publication of CN108934039A publication Critical patent/CN108934039A/en
Application granted granted Critical
Publication of CN108934039B publication Critical patent/CN108934039B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • H04W88/085Access point devices with remote components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides an antenna feeder intermodulation detection method, a device and a system, wherein the antenna feeder intermodulation detection method comprises the following steps: acquiring characteristic parameter information of each system of the multi-system antenna feeder; obtaining type information of each system according to the characteristic parameter information; carrying out intermodulation detection of the multi-system antenna feeder according to the type information; the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information. According to the scheme, the characteristic parameter information of each system of the multi-system antenna feeder is obtained, the type information of each system is obtained according to the characteristic parameter information, and the intermodulation detection of the multi-system antenna feeder is carried out according to the type information; the multi-system antenna feeder intermodulation index can be accurately judged, and the problem that multi-system antenna feeder detection cannot be accurately finished in the prior art is well solved.

Description

Antenna feeder intermodulation detection method, device and system
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, and a system for antenna feeder intermodulation detection.
Background
With the increase of the working time of the network, the probability of the antenna feeder system being in fault is higher and higher, and how to regularly detect the quality of the antenna feeder system becomes a very urgent problem. Considering that a Passive Intermodulation (PIM) value is an important index for measuring the performance of an antenna feeder part in a wireless access system, the monitoring of the antenna feeder system can be realized as long as the PIM value of the antenna feeder system can be monitored on line.
In addition, with the development of wireless communication technology, the 2G GSM network equipment will evolve towards 4G FDD-LTE (frequency division duplex-long term evolution), NB-IoT (cellular-based narrowband internet of things), eMTC (electromagnetic telecommunications). In the course of evolution, these systems may share an RRU (remote radio frequency module) common antenna, may share no RRU common antenna, and may not share no RRU common antenna. For these different scenarios, it is also different in the method of testing passive intermodulation of the antenna feed.
The existing method for detecting intermodulation of the antenna feeder of the communication system is mainly performed aiming at a single system and a single antenna feeder, a method for detecting a multi-system antenna feeder is lacked, and the detection of the multi-system antenna feeder cannot be accurately finished.
Disclosure of Invention
The invention aims to provide an antenna feeder intermodulation detection method, device and system, which solve the problem that multi-system antenna feeder detection cannot be accurately finished in the prior art.
In order to solve the above technical problem, an embodiment of the present invention provides an antenna feeder intermodulation detection method, including:
acquiring characteristic parameter information of each system of the multi-system antenna feeder;
obtaining type information of each system according to the characteristic parameter information;
carrying out intermodulation detection of the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information.
Optionally, the step of obtaining type information of each system according to the characteristic parameter information includes:
when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a first type of different RRU different antennas;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
Optionally, when the type information indicates that there are multiple systems belonging to a first type of different RRU antennas, the step of performing inter-modulation detection for multiple system antenna feeds according to the type information includes:
and respectively detecting the intermodulation quality of each antenna feeder belonging to the first type of system to finish the intermodulation detection of the multi-system antenna feeder.
Optionally, when the type information indicates that a plurality of the systems belong to a second type of the same antenna of different RRUs, the performing intermodulation detection of multiple system antenna feeds according to the type information includes:
controlling each system belonging to the second type to send out two single-tone signals, and detecting the antenna feed intermodulation quality of the corresponding system by using the two single-tone signals;
controlling each system belonging to the second type to send out a single tone signal, and detecting the intermodulation quality of the whole multi-system antenna feeder by using the single tone signal;
and according to the intermodulation quality of the antenna feeder of the corresponding system and the intermodulation quality of the whole multi-system antenna feeder, finishing the intermodulation detection of the multi-system antenna feeder.
Optionally, when the type information indicates that a plurality of the systems belong to a third type having the same antenna as the RRU, the step of performing inter-modulation detection for multiple system antenna feeds according to the type information includes:
and detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
Optionally, the characteristic parameter information includes working system information and working frequency point information of the system;
the step of intermodulation detection of the multi-system antenna feeder according to the type information comprises:
and performing intermodulation detection of the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
The embodiment of the invention also provides an antenna feeder intermodulation detection device, which comprises:
the acquisition module is used for acquiring characteristic parameter information of each system of the multi-system antenna feeder;
the processing module is used for obtaining the type information of each system according to the characteristic parameter information;
the detection module is used for carrying out intermodulation detection on the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information.
Optionally, the processing module includes:
the first determining sub-module is used for determining that the corresponding system belongs to a first type of different RRU different antennas when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
Optionally, when the type information indicates that there are multiple systems belonging to a first type of different RRU different antennas, the detecting module includes:
and the first detection submodule is used for respectively detecting the intermodulation quality of the antenna feeder of each system belonging to the first type so as to finish the intermodulation detection of the multi-system antenna feeder.
Optionally, when the type information indicates that there are multiple systems belonging to a second type with different RRUs and the same antenna, the detecting module includes:
the first control submodule is used for controlling each system belonging to the second type to send two single-tone signals, and the two single-tone signals are used for detecting the antenna feed intermodulation quality of the corresponding system;
the second control submodule is used for controlling each system belonging to the second type to send a single tone signal, and the single tone signal is used for detecting the intermodulation quality of the whole multi-system antenna feeder;
and the first processing submodule is used for finishing intermodulation detection of the multi-system antenna feeders according to the intermodulation quality of the antenna feeders of the corresponding systems and the intermodulation quality of the whole multi-system antenna feeder.
Optionally, when the type information indicates that there are multiple systems belonging to a third type having the same antenna as the RRU, the detecting module includes:
and the second detection submodule is used for detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
Optionally, the characteristic parameter information includes working system information and working frequency point information of the system;
the detection module comprises:
and the third detection submodule is used for carrying out intermodulation detection on the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
The embodiment of the invention also provides an antenna feeder intermodulation detection system, which comprises:
the input/output port is used for acquiring characteristic parameter information of each system of the multi-system antenna feeder;
the processor is used for obtaining the type information of each system according to the characteristic parameter information;
carrying out intermodulation detection of the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information.
Optionally, the processor is specifically configured to:
when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a first type of different RRU different antennas;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
Optionally, when the type information indicates that there are multiple systems belonging to a first type of different RRU different antennas, the processor is specifically configured to:
and respectively detecting the intermodulation quality of each antenna feeder belonging to the first type of system to finish the intermodulation detection of the multi-system antenna feeder.
Optionally, when the type information indicates that there are multiple systems belonging to a second type with different RRUs and the same antenna, the processor is specifically configured to:
controlling each system belonging to the second type to send out two single-tone signals, and detecting the antenna feed intermodulation quality of the corresponding system by using the two single-tone signals;
controlling each system belonging to the second type to send out a single tone signal, and detecting the intermodulation quality of the whole multi-system antenna feeder by using the single tone signal;
and according to the intermodulation quality of the antenna feeder of the corresponding system and the intermodulation quality of the whole multi-system antenna feeder, finishing the intermodulation detection of the multi-system antenna feeder.
Optionally, when the type information indicates that there are multiple systems belonging to a third type with the same RRU and the same antenna, the processor is specifically configured to:
and detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
Optionally, the characteristic parameter information includes working system information and working frequency point information of the system;
the processor is specifically configured to:
and performing intermodulation detection of the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
The technical scheme of the invention has the following beneficial effects:
in the above scheme, the antenna feeder intermodulation detection method obtains the type information of each system according to the characteristic parameter information by obtaining the characteristic parameter information of each system of the multi-system antenna feeder, and performs intermodulation detection of the multi-system antenna feeder according to the type information; the multi-system antenna feeder intermodulation index can be accurately judged, and the problem that multi-system antenna feeder detection cannot be accurately finished in the prior art is well solved.
Drawings
Fig. 1 is a schematic flow chart of an antenna feeder intermodulation detection method according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of an implementation system of an antenna feeder intermodulation detection method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a first type of system in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second type of system in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of a third type of system in accordance with an embodiment of the present invention;
fig. 6 is a schematic diagram of a specific application flow of the antenna feeder intermodulation detection method according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of an antenna feeder intermodulation detection apparatus according to a second embodiment of the present invention;
fig. 8 is a schematic diagram of an antenna feeder intermodulation detection system according to a third embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides various solutions for solving the problem that multi-system antenna feeder detection cannot be accurately finished in the prior art, and the method specifically comprises the following steps:
example one
As shown in fig. 1, an embodiment of the present invention provides an antenna feeder intermodulation detection method, including:
step 11: acquiring characteristic parameter information of each system of the multi-system antenna feeder;
step 12: obtaining type information of each system according to the characteristic parameter information;
step 13: carrying out intermodulation detection of the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information.
The antenna feeder intermodulation detection method provided by the embodiment of the invention obtains the type information of each system according to the characteristic parameter information by obtaining the characteristic parameter information of each system of the multi-system antenna feeder, and performs intermodulation detection of the multi-system antenna feeder according to the type information; the multi-system antenna feeder intermodulation index can be accurately judged, and the problem that multi-system antenna feeder detection cannot be accurately finished in the prior art is well solved.
Specifically, the step of obtaining the type information of each system according to the characteristic parameter information includes:
when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a first type of different RRU different antennas;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
Correspondingly, when the type information indicates that a plurality of systems belong to a first type of different RRU antennas, the step of performing intermodulation detection of multi-system antenna feeds according to the type information includes: and respectively detecting the intermodulation quality of each antenna feeder belonging to the first type of system to finish the intermodulation detection of the multi-system antenna feeder.
That is, for the case of different RRUs with different antennas: the multiple systems are independent, and the passive intermodulation quality of the antenna feeder of each system can be tested respectively.
When the type information indicates that a plurality of systems belong to a second type of the same antenna of different RRUs, the performing intermodulation detection of multi-system antenna feeds according to the type information comprises: controlling each system belonging to the second type to send out two single-tone signals, and detecting the antenna feed intermodulation quality of the corresponding system by using the two single-tone signals; controlling each system belonging to the second type to send out a single tone signal, and detecting the intermodulation quality of the whole multi-system antenna feeder by using the single tone signal; and according to the intermodulation quality of the antenna feeder of the corresponding system and the intermodulation quality of the whole multi-system antenna feeder, finishing the intermodulation detection of the multi-system antenna feeder.
That is, for the case of different RRUs with the same antenna: each system is required to send two single-tone signals to test the intermodulation of the system; it is also necessary that each system test the intermodulation of the whole large system (formed by the systems of the multi-system antenna feeder together) by one single tone signal.
When the type information indicates that a plurality of the systems belong to a third type with the same antenna as the RRU, the step of performing intermodulation detection of the multi-system antenna feed according to the type information comprises the following steps: and detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
That is, for the case of the same RRU with the same antenna: and in the multi-system common mode, the passive intermodulation quality of the antenna feed system only needs to be tested once.
Preferably, the characteristic parameter information includes working system information and working frequency point information of the system; correspondingly, the step of performing intermodulation detection of the multi-system antenna feeder according to the type information comprises the following steps: and performing intermodulation detection of the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
The method for detecting intermodulation of antenna feed provided by the embodiment of the present invention is further described below, taking the number of systems as an example.
In view of the above technical problems, embodiments of the present invention provide an antenna feeder intermodulation detection method (by a cooperative working method between multiple systems), which can be used to detect antenna feeder passive intermodulation of multiple systems.
Specifically, the working bandwidth of the GSM system is 200KHz, the working bandwidth of the NB-IoT system is 180KHz, the working bandwidth of the eMTC system is 5MHz, and the working bandwidth of the FDD-LTE system is various (5M/10M/15M/20). When two systems work simultaneously, the solution provided by the embodiment of the present invention can be implemented by a system (a multi-system antenna feeder passive intermodulation detection system) as shown in fig. 2, where the system includes: the system comprises a coordination control module, a first system control part and a second system control part which are respectively connected with the coordination control module, a first system test execution part connected with the first system control part, a second system test execution part connected with the second system control part, and an antenna feeder system connected with the first system test execution part and the second system test execution part.
The cooperative control module is responsible for the whole operation process; the system I control part is responsible for the execution of the system I test control work; the system two control part is responsible for the test control work execution of the system two; the system test execution part is responsible for completing intermodulation test work of the system, such as RRU; the second system test execution part is responsible for completing intermodulation test work of the second system, such as RRU; the antenna feed system is the system to be tested.
Taking Band8 spectrum as an example, 2G, 3G, 4G communication systems can coexist on it, and when two systems coexist, there are 3 scenarios as shown in fig. 3 to 5; for simultaneous operation of multiple systems, it is a superposition of the above systems. The embodiments of the present invention are analyzed in accordance with two systems for ease of description.
Specifically, as shown in fig. 6, the method for detecting intermodulation of antenna feeder includes:
step 61: the system informs the coordination control module of the working system (2/3/4G), the working frequency point and the antenna feeder (whether a combiner exists or not);
step 62: the second system informs the coordination control module of the working system, the working frequency point and the antenna feeder (whether a combiner exists or not);
and step 63: the coordination control module gives an intermodulation detection scheme according to the information;
step 64: the whole system executes antenna feed intermodulation detection according to an intermodulation detection scheme.
For step 63, there are different solutions for the three scenarios as shown in fig. 3 to 5:
for the scenario shown in fig. 3-different RRU diverse antennas: the two systems are independent, and the passive intermodulation quality of the antenna feeder of each system is respectively tested (specifically, the power value received by the working frequency point can be measured according to the working mode and the signals sent/received by the working frequency point, and each detection result is obtained).
For the scenario shown in fig. 4-different RRUs with the same antenna: the method is divided into three parts: 1. the system sends two single-tone signals to test the intermodulation; 2. the system sends two single-tone signals to test the intermodulation; 3. the system I and the system II respectively send a single-tone signal to test the intermodulation (the whole system) (specifically, the power value received by the working frequency point can be measured according to the working mode and the working frequency point sending/receiving signals to obtain three detection results, and the three detection results are processed according to the worst detection result).
For the scenario shown in fig. 5-same RRU with same antenna: the two systems are in common mode, and the passive intermodulation quality of the antenna feed system only needs to be tested once (specifically, the power value received by the working frequency point can be measured according to the working mode and the signals sent/received by the working frequency point to obtain a detection result).
Therefore, the scheme provided by the embodiment of the invention can accurately judge the antenna feeder intermodulation indexes of multiple systems.
Example two
As shown in fig. 7, a second embodiment of the present invention provides an antenna feeder intermodulation detection apparatus, including:
the acquiring module 71 is configured to acquire characteristic parameter information of each system of the multi-system antenna feeder;
the processing module 72 is configured to obtain type information of each system according to the characteristic parameter information;
the detection module 73 is configured to perform intermodulation detection of the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information.
The antenna feeder intermodulation detection device provided by the embodiment of the invention obtains the type information of each system according to the characteristic parameter information by obtaining the characteristic parameter information of each system of the multi-system antenna feeder, and performs intermodulation detection of the multi-system antenna feeder according to the type information; the multi-system antenna feeder intermodulation index can be accurately judged, and the problem that multi-system antenna feeder detection cannot be accurately finished in the prior art is well solved.
Specifically, the processing module includes: the first determining sub-module is used for determining that the corresponding system belongs to a first type of different RRU different antennas when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
Correspondingly, when the type information indicates that a plurality of the systems belong to a first type of different RRU different antennas, the detecting module includes: and the first detection submodule is used for respectively detecting the intermodulation quality of the antenna feeder of each system belonging to the first type so as to finish the intermodulation detection of the multi-system antenna feeder.
When the type information indicates that a plurality of the systems belong to a second type with different RRUs and the same antenna, the detecting module includes: the first control submodule is used for controlling each system belonging to the second type to send two single-tone signals, and the two single-tone signals are used for detecting the antenna feed intermodulation quality of the corresponding system; the second control submodule is used for controlling each system belonging to the second type to send a single tone signal, and the single tone signal is used for detecting the intermodulation quality of the whole multi-system antenna feeder; and the first processing submodule is used for finishing intermodulation detection of the multi-system antenna feeders according to the intermodulation quality of the antenna feeders of the corresponding systems and the intermodulation quality of the whole multi-system antenna feeder.
When the type information indicates that a plurality of the systems belong to a third type with the same antenna as the RRU, the detecting module includes: and the second detection submodule is used for detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
Preferably, the characteristic parameter information includes working system information and working frequency point information of the system;
the corresponding detection module comprises: and the third detection submodule is used for carrying out intermodulation detection on the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
The implementation embodiments of the antenna feeder intermodulation detection method are all suitable for the embodiment of the antenna feeder intermodulation detection device, and the same technical effects can be achieved.
EXAMPLE III
As shown in fig. 8, a third embodiment of the present invention provides an antenna feeder intermodulation detection system, including:
an input/output port 81 for acquiring characteristic parameter information of each system of the multi-system antenna feeder;
the processor 82 is used for obtaining the type information of each system according to the characteristic parameter information;
carrying out intermodulation detection of the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information.
The antenna feeder intermodulation detection system provided by the third embodiment of the invention obtains the type information of each system according to the characteristic parameter information by obtaining the characteristic parameter information of each system of the multi-system antenna feeder, and performs intermodulation detection of the multi-system antenna feeder according to the type information; the multi-system antenna feeder intermodulation index can be accurately judged, and the problem that multi-system antenna feeder detection cannot be accurately finished in the prior art is well solved.
Wherein the processor is specifically configured to: when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a first type of different RRU different antennas;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
Correspondingly, when the type information indicates that a plurality of systems belong to a first type of different RRU different antennas, the processor is specifically configured to: and respectively detecting the intermodulation quality of each antenna feeder belonging to the first type of system to finish the intermodulation detection of the multi-system antenna feeder.
When the type information indicates that there are multiple systems belonging to a second type with different RRUs and the same antenna, the processor is specifically configured to: controlling each system belonging to the second type to send out two single-tone signals, and detecting the antenna feed intermodulation quality of the corresponding system by using the two single-tone signals; controlling each system belonging to the second type to send out a single tone signal, and detecting the intermodulation quality of the whole multi-system antenna feeder by using the single tone signal; and according to the intermodulation quality of the antenna feeder of the corresponding system and the intermodulation quality of the whole multi-system antenna feeder, finishing the intermodulation detection of the multi-system antenna feeder.
When the type information indicates that there are multiple systems belonging to a third type with the same RRU and the same antenna, the processor is specifically configured to: and detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
Preferably, the characteristic parameter information includes working system information and working frequency point information of the system;
the processor is specifically configured to: and performing intermodulation detection of the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
The implementation embodiments of the antenna feeder intermodulation detection device are all suitable for the embodiment of the antenna feeder intermodulation detection system, and the same technical effects can be achieved.
It should be noted that many of the functional components described in this specification are referred to as modules/sub-modules in order to more particularly emphasize their implementation independence.
In embodiments of the invention, the modules/sub-modules may be implemented in software for execution by various types of processors. An identified module of executable code may, for instance, comprise one or more physical or logical blocks of computer instructions which may, for instance, be constructed as an object, procedure, or function. Nevertheless, the executables of an identified module need not be physically located together, but may comprise disparate instructions stored in different bits which, when joined logically together, comprise the module and achieve the stated purpose for the module.
Indeed, a module of executable code may be a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs, and across several memory devices. Likewise, operational data may be identified within the modules and may be embodied in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations including over different storage devices, and may exist, at least partially, merely as electronic signals on a system or network.
When a module can be implemented by software, considering the level of existing hardware technology, a module implemented by software may build a corresponding hardware circuit to implement a corresponding function, without considering cost, and the hardware circuit may include a conventional Very Large Scale Integration (VLSI) circuit or a gate array and an existing semiconductor such as a logic chip, a transistor, or other discrete components. A module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (15)

1. An antenna feed intermodulation detection method, characterized by comprising:
acquiring characteristic parameter information of each system of the multi-system antenna feeder;
obtaining type information of each system according to the characteristic parameter information;
carrying out intermodulation detection of the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information;
the step of obtaining the type information of each system according to the characteristic parameter information comprises the following steps:
when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a first type of different RRU different antennas;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
2. The method according to claim 1, wherein when the type information indicates that there are a plurality of the systems belonging to a first type of different RRU antennas, the step of performing intermodulation detection for multi-system antenna feeds according to the type information comprises:
and respectively detecting the intermodulation quality of each antenna feeder belonging to the first type of system to finish the intermodulation detection of the multi-system antenna feeder.
3. The method of claim 1, wherein when the type information indicates that there are a plurality of the systems belonging to a second type with different RRUs and the same antenna, the performing intermodulation detection for multi-system antenna feeds according to the type information comprises:
controlling each system belonging to the second type to send out two single-tone signals, and detecting the antenna feed intermodulation quality of the corresponding system by using the two single-tone signals;
controlling each system belonging to the second type to send out a single tone signal, and detecting the intermodulation quality of the whole multi-system antenna feeder by using the single tone signal;
and according to the intermodulation quality of the antenna feeder of the corresponding system and the intermodulation quality of the whole multi-system antenna feeder, finishing the intermodulation detection of the multi-system antenna feeder.
4. The method according to claim 1, wherein when the type information indicates that there are a plurality of the systems belonging to a third type with the same RRU and antenna, the step of performing intermodulation detection for multi-system antenna feeds according to the type information comprises:
and detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
5. The antenna feed intermodulation detection method of claim 1, characterized in that the characteristic parameter information comprises working system information and working frequency point information of a system;
the step of intermodulation detection of the multi-system antenna feeder according to the type information comprises:
and performing intermodulation detection of the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
6. An antenna feed intermodulation detection device, comprising:
the acquisition module is used for acquiring characteristic parameter information of each system of the multi-system antenna feeder;
the processing module is used for obtaining the type information of each system according to the characteristic parameter information;
the detection module is used for carrying out intermodulation detection on the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information;
the processing module comprises:
the first determining sub-module is used for determining that the corresponding system belongs to a first type of different RRU different antennas when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
7. The apparatus of claim 6, wherein when the type information indicates that there are a plurality of the systems belonging to a first type of different RRU antennas, the detecting module comprises:
and the first detection submodule is used for respectively detecting the intermodulation quality of the antenna feeder of each system belonging to the first type so as to finish the intermodulation detection of the multi-system antenna feeder.
8. The apparatus of claim 6, wherein when the type information indicates that there are a plurality of the systems belonging to a second type with different RRUs and the same antenna, the detecting module comprises:
the first control submodule is used for controlling each system belonging to the second type to send two single-tone signals, and the two single-tone signals are used for detecting the antenna feed intermodulation quality of the corresponding system;
the second control submodule is used for controlling each system belonging to the second type to send a single tone signal, and the single tone signal is used for detecting the intermodulation quality of the whole multi-system antenna feeder;
and the first processing submodule is used for finishing intermodulation detection of the multi-system antenna feeders according to the intermodulation quality of the antenna feeders of the corresponding systems and the intermodulation quality of the whole multi-system antenna feeder.
9. The apparatus of claim 6, wherein when the type information indicates that there are a plurality of the systems belonging to a third type with the same RRU antenna, the detecting module comprises:
and the second detection submodule is used for detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
10. The antenna feed intermodulation detection device of claim 6, wherein the characteristic parameter information comprises working standard information and working frequency point information of a system;
the detection module comprises:
and the third detection submodule is used for carrying out intermodulation detection on the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
11. An antenna feed intermodulation detection system, comprising:
the input/output port is used for acquiring characteristic parameter information of each system of the multi-system antenna feeder;
the processor is used for obtaining the type information of each system according to the characteristic parameter information;
carrying out intermodulation detection of the multi-system antenna feeder according to the type information;
the characteristic parameter information comprises antenna feeder composition information and remote radio frequency module RRU information;
the processor is specifically configured to:
when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a first type of different RRU different antennas;
when the combiner exists in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is a single-mode RRU, determining that the corresponding system belongs to a second type of the same antenna of different RRUs;
and when the combiner does not exist in the antenna feed composition information indication system and the RRU information indicates that the RRU of the corresponding system is the multi-mode RRU, determining that the corresponding system belongs to a third type with the same antenna as the RRU.
12. The antenna feed intermodulation detection system of claim 11 wherein, when the type information indicates that there are a plurality of the systems belonging to a first type of different RRU antennas, the processor is specifically configured to:
and respectively detecting the intermodulation quality of each antenna feeder belonging to the first type of system to finish the intermodulation detection of the multi-system antenna feeder.
13. The antenna feed intermodulation detection system of claim 11 wherein, when the type information indicates that there are a plurality of the systems belonging to a second type of different RRUs with the same antenna, the processor is specifically configured to:
controlling each system belonging to the second type to send out two single-tone signals, and detecting the antenna feed intermodulation quality of the corresponding system by using the two single-tone signals;
controlling each system belonging to the second type to send out a single tone signal, and detecting the intermodulation quality of the whole multi-system antenna feeder by using the single tone signal;
and according to the intermodulation quality of the antenna feeder of the corresponding system and the intermodulation quality of the whole multi-system antenna feeder, finishing the intermodulation detection of the multi-system antenna feeder.
14. The system of claim 11, wherein when the type information indicates that there are multiple systems of a third type with the same RRU and the same antenna, the processor is specifically configured to:
and detecting the intermodulation quality of the whole multi-system antenna feeder to finish the intermodulation detection of the multi-system antenna feeder.
15. The antenna feed intermodulation detection system of claim 11 wherein the characteristic parameter information includes system operating format information and operating frequency point information;
the processor is specifically configured to:
and performing intermodulation detection of the multi-system antenna feeder according to the type information, the working system information and the working frequency point information.
CN201710373019.4A 2017-05-24 2017-05-24 Antenna feeder intermodulation detection method, device and system Active CN108934039B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710373019.4A CN108934039B (en) 2017-05-24 2017-05-24 Antenna feeder intermodulation detection method, device and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710373019.4A CN108934039B (en) 2017-05-24 2017-05-24 Antenna feeder intermodulation detection method, device and system

Publications (2)

Publication Number Publication Date
CN108934039A CN108934039A (en) 2018-12-04
CN108934039B true CN108934039B (en) 2021-11-02

Family

ID=64449826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710373019.4A Active CN108934039B (en) 2017-05-24 2017-05-24 Antenna feeder intermodulation detection method, device and system

Country Status (1)

Country Link
CN (1) CN108934039B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2712098A2 (en) * 2011-05-27 2014-03-26 Huawei Technologies Co., Ltd. Passive inter-modulation position detection method and device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103002493B (en) * 2012-12-11 2015-05-27 华为技术有限公司 Passive intermodulation detection method and device
CN104244311B (en) * 2013-06-09 2017-09-15 中国移动通信集团公司 The passive intermodulation testing method and device of antenna-feedback system
GB2526787B (en) * 2014-05-29 2016-11-23 Aceaxis Ltd Processing of passive intermodulation detection results
CN105356952B (en) * 2015-09-30 2019-01-18 上海华为技术有限公司 A kind of passive intermodulation detection device and method
EP3369182B1 (en) * 2015-10-26 2022-04-06 Telefonaktiebolaget LM Ericsson (publ) Cell site passive intermodulation detection receiver

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2712098A2 (en) * 2011-05-27 2014-03-26 Huawei Technologies Co., Ltd. Passive inter-modulation position detection method and device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
The third order intermodulation distortion analysis of microwave passive mixers in radar receivers;Hui Zhao 等;《 2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)》;20120705;全文 *

Also Published As

Publication number Publication date
CN108934039A (en) 2018-12-04

Similar Documents

Publication Publication Date Title
CN109413686B (en) Base station automatic test system, method and device
CN111970726B (en) Data transmission method, device, related equipment and storage medium
CN112782567B (en) Chip testing system, method, device, medium and equipment
CN107547144B (en) Radio frequency test system
CN111654322A (en) Electric power data transmission method and device based on parallel processing and storage medium
CN112217537B (en) Multichannel signal transceiving system, multichannel signal transceiving method, electronic device, and storage medium
CN102868464A (en) Consistency testing system and method of communication terminals
CN110831049B (en) Network performance testing method and device
KR20180025946A (en) METHOD AND APPARATUS FOR INSPECTING FRONT HALL TOPOLOGY
CN112988489A (en) Method, device, equipment and storage medium for testing radio frequency chip
CN108934039B (en) Antenna feeder intermodulation detection method, device and system
CN112511262A (en) Cooperative shielding method, shielding system, storage medium and electronic device
CN111315026B (en) Channel selection method, device, gateway and computer readable storage medium
US11323190B2 (en) Radio frequency channel connection detection method and apparatus
CN112615659B (en) Data channel switching method and Beidou multichannel antenna
US11356874B2 (en) Detecting network devices without joining a network
CN111224723B (en) Calibration method and system of radio frequency front-end module, electronic equipment and storage medium
CN112398548A (en) Method and device for processing detection information of transmitted signal, storage medium and communication terminal
CN112671617A (en) POI equipment testing method and device, computer equipment, system and storage medium
CN117318847B (en) Frequency shifting device testing method, system, device and medium
CN111162851A (en) Method and device for frequency band matching of repeater
US20220330065A1 (en) Interference measurement station, access point, and method
CN117728899B (en) Equipment joint debugging method and device, terminal equipment and storage medium
CN117295101B (en) Automatic repeated switching network pressure testing method, terminal and system
CN218336042U (en) Test system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant