CN111263378B - LTE network air interface analysis method, device and storage medium - Google Patents

LTE network air interface analysis method, device and storage medium Download PDF

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CN111263378B
CN111263378B CN202010054366.2A CN202010054366A CN111263378B CN 111263378 B CN111263378 B CN 111263378B CN 202010054366 A CN202010054366 A CN 202010054366A CN 111263378 B CN111263378 B CN 111263378B
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synchronization information
air interface
downlink
network
uplink
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CN111263378A (en
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刘峰
邹敏
周建
易勇
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Guangzhou Feishu Electronic Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/14—Network analysis or design
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses an LTE network air interface analysis method, which comprises the following steps: acquiring a wireless network temporary identifier of synchronous information sent by a macro station according to a preset protocol; analyzing the synchronization information according to the wireless network temporary identifier to obtain downlink synchronization information in a DCI0 format; calculating a terminal signaling moment corresponding to the downlink synchronization information according to a preset protocol; and performing baseband uplink processing on the terminal signaling time to obtain a bottom layer data KPI index and uplink and downlink signaling corresponding to the downlink synchronous information. The embodiment of the invention provides an LTE network air interface analysis method, which can accurately analyze technical indexes of uplink and downlink of an air interface, thereby effectively improving the efficiency of positioning and solving the problems.

Description

LTE network air interface analysis method, device and storage medium
Technical Field
The invention relates to the technical field of LTE communication, in particular to an LTE network air interface analysis method, an LTE network air interface analysis device and a storage medium.
Background
In the field of network optimization, a base station manufacturer needs to coordinate with a test terminal or a simulator to debug when debugging a baseband, MAC scheduling or upper-layer software, and needs to locate the problem of which end when encountering the problem.
The conventional LTE network air interface analysis method is to analyze a single station in real time by using statistical analysis data at a base station side and analysis data at a terminal side.
The existing LTE network air interface analysis method has the following problems:
the technical indexes of the uplink and downlink synchronization information of the air interface cannot be accurately analyzed so as to quickly position a single station.
Disclosure of Invention
The embodiment of the invention provides an LTE network air interface analysis method, which can accurately analyze technical indexes of uplink and downlink of an air interface, thereby effectively improving the efficiency of positioning and solving the problems.
In order to achieve the above object, in one aspect, an embodiment of the present invention provides an LTE network air interface analysis method, including:
acquiring a wireless network temporary identifier of synchronous information sent by a macro station according to a preset protocol;
analyzing the synchronization information according to the wireless network temporary identifier to obtain downlink synchronization information in a DCI0 format;
calculating a terminal signaling moment corresponding to the downlink synchronization information according to a preset protocol;
and performing baseband uplink processing on the terminal signaling time to acquire a bottom layer data KPI index and uplink and downlink signaling corresponding to the downlink synchronization information.
Further, before "acquiring the radio network temporary identifier of the synchronization information sent by the macro station according to the preset protocol", the method further comprises the following steps:
receiving synchronous information sent by a macro station, selecting a network frequency point and a physical cell identifier which need to be followed by the synchronous information, and adjusting local time to be consistent with the network of the network frequency point and the physical cell identifier.
Further, the receiving of the synchronization information sent by the macro station, selecting a network frequency point and a physical cell identifier that the synchronization information needs to follow, and adjusting the local time to be consistent with the network of the network frequency point and the physical cell identifier specifically includes:
receiving synchronization information sent by a macro station, and selecting a network frequency point and a physical cell identifier which the synchronization information needs to follow;
analyzing the cell broadcast information corresponding to the network frequency point and the physical cell identifier to obtain system information; the system information comprises MIB information, sib information and system time information;
and adjusting local time according to the system information to ensure that the periodicity of the local time is consistent with the preset network frequency point and the physical cell identifier.
Further, after "performing baseband uplink processing on the terminal signaling time to obtain the underlying data KPI index and the uplink and downlink signaling corresponding to the downlink synchronization information", the method further includes the following steps:
and positioning the abnormal problems of the macro station or the terminal according to the bottom layer data KPI indexes and the uplink and downlink signaling.
Further, the acquiring the radio network temporary identifier of the synchronization information sent by the macro station according to the preset protocol specifically includes:
and acquiring the relation between the cce position on the synchronous information and the RNTI corresponding to the terminal equipment according to a preset protocol, and screening the radio network temporary identifier of the synchronous information according to the corresponding relation.
Further, the performing baseband uplink processing on the terminal signaling time to obtain the bottom layer data KPI index and the uplink and downlink signaling corresponding to the downlink synchronization information specifically includes:
and performing uplink baseband processing on the wireless air interface data at the signaling time of the terminal, checking a cyclic redundancy check code of the wireless air interface data, selecting the wireless air interface data corresponding to a correct cyclic redundancy verification code, and performing code stream analysis to obtain a bottom layer data KPI index and uplink and downlink signaling corresponding to the downlink synchronization information.
In another aspect, another embodiment of the present invention provides an LTE network air interface analysis apparatus, including: the device comprises a first acquisition module, an analysis module, a calculation module and a second acquisition module;
the first acquisition module is used for acquiring a wireless network temporary identifier of the synchronization information sent by the macro station according to a preset protocol;
the analysis module is used for analyzing the synchronization information according to the wireless network temporary identifier to obtain downlink synchronization information in a DCI0 format;
the calculation module is used for calculating a terminal signaling time corresponding to the downlink synchronization information according to a preset protocol;
and the second obtaining module is used for performing baseband uplink processing on the terminal signaling at a moment and obtaining a bottom layer data KPI index and an uplink and downlink signaling corresponding to the downlink synchronization information.
And the network following module is used for receiving the synchronous information sent by the macro station, selecting the network frequency point and the physical cell identifier which need to be followed by the synchronous information, and adjusting the local time to be consistent with the network of the network frequency point and the physical cell identifier.
Further, the first obtaining module is specifically configured to: and obtaining the relation between the cce position on the synchronous information and the RNTI corresponding to the terminal equipment according to a preset protocol, and screening out the radio network temporary identifier of the synchronous information according to the corresponding relation.
In another aspect, another embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the LTE network air interface analysis method described above.
The embodiment of the invention provides an LTE network air interface analysis method, which comprises the steps of analyzing synchronous information through a wireless network temporary identifier to obtain downlink synchronous information in a DCI0 format; the technical indexes of the uplink and the downlink of the air interface of the LTE network can be analyzed, so that the efficiency of solving the problems of abnormal access and index optimization of a base station or a terminal in design and debugging can be improved.
Drawings
Fig. 1 is a schematic flow diagram of an LTE network air interface analysis method according to the present invention;
fig. 2 is a schematic structural diagram of an LTE network air interface analysis apparatus provided in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1:
a first embodiment of the invention.
The embodiment of the invention provides an LTE network air interface analysis method, which comprises the following steps:
s1, acquiring a wireless network temporary identifier of synchronous information sent by a macro station according to a preset protocol;
s2, analyzing the synchronization information according to the wireless network temporary identifier to obtain downlink synchronization information in a DCI0 format;
s3, calculating a terminal signaling moment corresponding to the downlink synchronization information according to a preset protocol;
and S4, performing baseband uplink processing on the terminal signaling time to obtain a bottom layer data KPI index and uplink and downlink signaling corresponding to the downlink synchronization information.
According to the embodiment of the invention, the downlink synchronous information in the DCI0 format is obtained by acquiring the wireless network temporary identifier of the synchronous information sent by the macro station and analyzing the synchronous information according to the wireless temporary identifier; the terminal signaling time corresponding to the downlink synchronization information is calculated through an LTE network protocol, so that the uplink and downlink processing can be carried out on the terminal signaling time, the bottom layer data KPI index and the uplink and downlink signaling corresponding to the downlink synchronization information are obtained, and the problems of abnormal access and index optimization in the design and debugging of the base station or the terminal can be effectively solved.
As a specific implementation manner of the implementation of the present invention, before "acquiring a wireless network temporary identifier of synchronization information sent by a macro station according to a preset protocol", the method further includes the steps of:
receiving the synchronous information sent by the macro station, selecting the network frequency point and the physical cell identifier which need to be followed by the synchronous information, and adjusting the local time to be consistent with the network of the network frequency point and the physical cell identifier.
As a specific implementation manner implemented by the present invention, receiving synchronization information sent by a macro station, selecting a network frequency point and a physical cell identifier that the synchronization information needs to follow, and adjusting local time to make the network of the network frequency point and the network of the physical cell identifier consistent specifically is:
receiving synchronization information sent by a macro station, and selecting a network frequency point and a physical cell identifier which the synchronization information needs to follow;
analyzing cell broadcast information corresponding to the network frequency point and the physical cell identifier to obtain system information; the system information comprises MIB information, sib information and system time information;
and adjusting the local time according to the system information to ensure that the periodicity of the local time is consistent with the preset network frequency point and the physical cell identifier.
In the embodiment of the invention, a network frequency point ARFCN and a physical cell identity PCI which need to be followed are selected, such as ARFCN:38400, PCI:34. local system configuration selection frequency point 38400, pci34; analyzing the broadcast information of the cell corresponding to the selected network frequency point and the physical cell identifier to acquire network parameters such as MIB information, sib1 information, sib2 information and the like; acquiring system bandwidth, PHICH parameters and system frame numbers corresponding to the data packets of a cell, acquiring parameter configuration of each physical channel, including parameters such as pbch, pdsch, pusch, pucch and prach, and starting a local system; acquiring frame header starting positions of 10ms and 5ms by analyzing PSS and SSS; the system time is acquired from the analyzed broadcast information, and the local time is adjusted, so that the periodicity of the local time is kept strictly consistent with that of the ARFNC,38400 and pci34 networks, and the accuracy and reliability of air interface analysis are improved.
As a specific implementation manner implemented by the present invention, after "performing baseband uplink processing on a terminal signaling time to obtain a bottom layer data KPI indicator and uplink and downlink signaling corresponding to downlink synchronization information", the method further includes the following steps:
and positioning the abnormal problems of the macro station or the terminal according to the KPI (key performance indicator) of the bottom layer data and the uplink and downlink signaling.
In the embodiment of the invention, the abnormal problem of the macro station or the terminal is positioned according to the KPI (key performance indicator) of the bottom data and the uplink and downlink signaling, so that the error end can be rapidly checked, and the efficiency of solving the problem of the LTE network is improved.
As a specific implementation manner of the embodiment of the present invention, acquiring a radio network temporary identifier of synchronization information sent by a macro station according to a preset protocol specifically includes:
and acquiring the relation between the cce position on the synchronous information and the RNTI corresponding to the terminal equipment according to a preset protocol, and screening the wireless network temporary identifier of the synchronous information according to the corresponding relation.
In the embodiment of the present invention, according to the specification of the 3GPP protocol, the relationship between the cce location on the downlink control channel and the RNTI corresponding to the terminal device is as follows:
Figure BDA0002372303010000061
wherein Y is K The expression of (a) is:
Y k ＝(A·Y k-1 )modD
wherein, Y -1 ＝n RNTI ≠0,A＝39827,D＝65537
Figure BDA0002372303010000062
n s Is a time slot corresponding to a radio frame.
In the embodiment of the present invention, by obtaining accurate PHICH parameters, the number of cfi, and the pair of the cce initial position and the length used by the PDCCH, the aggregation level used by the PDCCH is 1,2,4,8, the cce aggregation level detection is used to analyze the control channel in this embodiment, and table 1 is an example of cce aggregation level detection:
table 1 ccce aggregation level detection example
Figure BDA0002372303010000071
For 40-47, aggregation level analysis of 8 is preferred, then aggregation level 4 is selected for analysis to obtain synchronization information in DCI format, and the synchronization information is selected through the radio network temporary identifier to obtain downlink synchronization information in DCI0 format.
As a specific implementation manner of the embodiment of the present invention, performing baseband uplink processing on a terminal signaling time to obtain a bottom layer data KPI index and uplink and downlink signaling corresponding to downlink synchronization information, specifically:
and performing uplink baseband processing on the wireless air interface data at the terminal signaling time, checking the cyclic redundancy check code of the wireless air interface data, selecting the wireless air interface data corresponding to the correct cyclic redundancy check code, and performing code stream analysis to obtain the KPI (key performance indicator) of the bottom layer data corresponding to the downlink synchronization information and the uplink and downlink signaling.
In the embodiment of the invention, the terminal signaling time is obtained according to the preset protocol and the scheduling time difference of the uplink and downlink subframes of the LTE TDD system, and the following table is the scheduling time difference of the uplink and downlink subframes of the LTE TDD system:
TABLE 2 scheduling time difference of uplink and downlink sub-frames of LTE TDD system
Figure BDA0002372303010000072
Figure BDA0002372303010000081
The embodiment of the invention judges the synchronous information of the DCI format through the preset judgment condition so as to obtain the synchronous information of the DCI0 format, wherein the judgment condition is as follows:
TABLE 3 decision conditions
Figure BDA0002372303010000082
It can be understood that, at the corresponding uplink time, the uplink data at the terminal side is processed according to the DCI0 analyzed to be correct, and the rrc and nas signaling analysis is performed on the data with the correct cyclic redundancy check code, so as to obtain the bottom layer data KPI index and the uplink and downlink signaling corresponding to the downlink synchronization information.
In the embodiment of the invention, when data is screened, the judgment condition with high analysis ratio is preferentially selected for configuration analysis, and the statistical screening comprises the following steps: analyzing the MCS corresponding to the correct terminal side data packet; analyzing the number of RBs corresponding to the correct terminal side data packet; analyzing the signal-to-noise ratio corresponding to the correct terminal side data; and analyzing the subframe number corresponding to the correct terminal side data.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention obtains the wireless network temporary identifier of the synchronous information sent by the macro station, and analyzes the synchronous information according to the wireless temporary identifier to obtain the downlink synchronous information in the DCI0 format; the terminal signaling time corresponding to the downlink synchronization information is calculated through an LTE network protocol, so that the uplink and downlink processing can be carried out on the terminal signaling time, the bottom layer data KPI index and the uplink and downlink signaling corresponding to the downlink synchronization information are obtained, and the problems of abnormal access and index optimization in the design and debugging of the base station or the terminal can be effectively solved.
Please refer to fig. 2:
a second embodiment of the invention.
The embodiment of the invention provides an LTE network air interface analysis device, which comprises: a first obtaining module 101, an analyzing module 102, a calculating module 103 and a second obtaining module 104;
a first obtaining module 101, configured to obtain a wireless network temporary identifier of synchronization information sent by a macro station according to a preset protocol;
the analysis module 102 is configured to analyze the synchronization information according to the radio network temporary identifier to obtain downlink synchronization information in a DCI0 format;
the calculating module 103 is configured to calculate a terminal signaling time corresponding to the downlink synchronization information according to a preset protocol;
the second obtaining module 104 is configured to perform baseband uplink processing on the terminal signaling at a time to obtain a bottom layer data KPI index and an uplink and downlink signaling corresponding to the downlink synchronization information.
According to the embodiment of the invention, the downlink synchronous information in the DCI0 format is obtained by acquiring the wireless network temporary identifier of the synchronous information sent by the macro station and analyzing the synchronous information according to the wireless temporary identifier; the terminal signaling time corresponding to the downlink synchronization information is calculated through an LTE network protocol, so that the uplink processing can be performed on the terminal signaling time, the bottom layer data KPI index and the uplink and downlink signaling corresponding to the downlink synchronization information are obtained, and the problems of access abnormity and index optimization in design and debugging of a base station or a terminal can be effectively solved.
As a specific implementation manner of the embodiment of the present invention, the present invention further includes a network following module, where the network following module is configured to receive synchronization information sent by the macro station, select a network frequency point and a physical cell identifier that the synchronization information needs to follow, and adjust local time to be consistent with a network of the network frequency point and the physical cell identifier.
In the embodiment of the invention, a network frequency point ARFCN and a physical cell identity PCI which need to be followed are selected, such as ARFCN:38400, PCI:34. local system configuration selection frequency points 38400, pci34; analyzing the broadcast information of the cell corresponding to the selected network frequency point and the physical cell identifier to acquire network parameters such as MIB information, sib1 information, sib2 information and the like; acquiring system bandwidth, PHICH parameters and system frame numbers corresponding to the data packets of a cell, acquiring parameter configuration of each physical channel, including parameters such as pbch, pdsch, pusch, pucch and prach, and starting a local system; acquiring frame header starting positions of 10ms and 5ms by analyzing the PSS and the SSS; the system time is acquired from the analyzed broadcast information, and the local time is adjusted, so that the periodicity of the local time is kept strictly consistent with that of the ARFNC,38400 and pci34 networks, and the accuracy and reliability of air interface analysis are improved.
As a specific implementation manner of the embodiment of the present invention, the first obtaining module 101 is specifically configured to: and obtaining the relation between the cce position on the synchronous information and the RNTI corresponding to the terminal equipment according to a preset protocol, and screening out the wireless network temporary identifier of the synchronous information according to the corresponding relation.
In the embodiment of the present invention, according to the specification of the 3GPP protocol, the relationship between the cce position on the downlink control channel and the RNTI corresponding to the terminal device is as follows:
Figure BDA0002372303010000102
wherein Y is K The expression of (c) is:
Y k ＝(A·Y k-1 )modD
wherein, Y -1 ＝n RNTI ≠0,A＝39827,D＝65537
Figure BDA0002372303010000103
n s Is a time slot corresponding to a radio frame. />
In the embodiment of the present invention, by obtaining accurate PHICH parameters, the number of cfi, and the pair of the cce initial position and the length used by the PDCCH, the aggregation level used by the PDCCH is 1,2,4,8, the cce aggregation level detection is used to analyze the control channel in this embodiment, and table 4 is an example of cce aggregation level detection:
table 4 ccce aggregation level detection example
Figure BDA0002372303010000101
Figure BDA0002372303010000111
For 40-47, aggregation level analysis of 8 is preferred, then aggregation level 4 is selected for analysis to obtain synchronization information in DCI format, and the synchronization information is selected through the radio network temporary identifier to obtain downlink synchronization information in DCI0 format. The embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the downlink synchronous information in the DCI0 format is obtained by acquiring the wireless network temporary identifier of the synchronous information sent by the macro station and analyzing the synchronous information according to the wireless temporary identifier; the terminal signaling time corresponding to the downlink synchronization information is calculated through an LTE network protocol, so that the uplink and downlink processing can be carried out on the terminal signaling time, the bottom layer data KPI index and the uplink and downlink signaling corresponding to the downlink synchronization information are obtained, and the problems of abnormal access and index optimization in the design and debugging of the base station or the terminal can be effectively solved.
In another aspect, another embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, a device in which the computer-readable storage medium is located is controlled to execute the LTE network air interface analysis method described above.
It should be noted that the above-described device embodiments are merely illustrative, and units illustrated as separate components may or may not be physically separate, and components illustrated as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.

Claims (7)

1. An LTE network air interface analysis method is characterized by comprising the following steps:
acquiring a wireless network temporary identifier of synchronous information sent by a macro station according to a preset protocol; the method specifically comprises the following steps:
acquiring the relation between the cce position on the synchronous information and the RNTI corresponding to the terminal equipment according to a preset protocol, and screening out the radio network temporary identifier of the synchronous information according to the corresponding relation;
analyzing the synchronization information according to the wireless network temporary identifier to obtain downlink synchronization information in a DCI0 format;
calculating a terminal signaling moment corresponding to the downlink synchronization information according to a preset protocol;
performing baseband uplink processing on the terminal signaling time to acquire a bottom layer data KPI (key performance indicator) and uplink and downlink signaling corresponding to the downlink synchronization information, specifically:
and performing uplink baseband processing on the wireless air interface data at the signaling time of the terminal, checking a cyclic redundancy check code of the wireless air interface data, selecting the wireless air interface data corresponding to a correct cyclic redundancy verification code, and performing code stream analysis to obtain a bottom layer data KPI index and uplink and downlink signaling corresponding to the downlink synchronization information.
2. The LTE network air interface analysis method according to claim 1, wherein before "acquiring the radio network temporary identifier of the synchronization information sent by the macro station according to a preset protocol", the method further comprises:
receiving synchronous information sent by a macro station, selecting a network frequency point and a physical cell identifier which need to be followed by the synchronous information, and adjusting local time to be consistent with the network of the network frequency point and the physical cell identifier.
3. The LTE network air interface analysis method according to claim 2, wherein the receiving synchronization information sent by the macro station, selecting a network frequency point and a physical cell identifier that the synchronization information needs to follow, and adjusting local time to network consistency of the network frequency point and the physical cell identifier specifically comprises:
receiving synchronous information sent by a macro station, and selecting a network frequency point and a physical cell identifier which need to be followed by the synchronous information;
analyzing the cell broadcast information corresponding to the network frequency point and the physical cell identifier to obtain system information; the system information comprises MIB information, sib information and system time information;
and adjusting local time according to the system information to ensure that the periodicity of the local time is consistent with the network frequency point and the physical cell identifier.
4. The LTE network air interface analysis method according to claim 1, wherein after "performing baseband uplink processing on the terminal signaling time to obtain a bottom layer data KPI indicator and uplink and downlink signaling corresponding to the downlink synchronization information", the method further comprises:
and positioning the abnormal problems of the macro station or the terminal according to the bottom layer data KPI indexes and the uplink and downlink signaling.
5. An LTE network air interface analysis device, comprising: the device comprises a first acquisition module, an analysis module, a calculation module and a second acquisition module;
the first acquisition module is used for acquiring a wireless network temporary identifier of the synchronization information sent by the macro station according to a preset protocol; the method specifically comprises the following steps: acquiring the relation between the cce position on the synchronous information and the RNTI corresponding to the terminal equipment according to a preset protocol, and screening out the wireless network temporary identifier of the synchronous information according to the corresponding relation;
the analysis module is used for analyzing the synchronization information according to the wireless network temporary identifier to obtain downlink synchronization information in a DCI0 format;
the calculation module is used for calculating a terminal signaling time corresponding to the downlink synchronization information according to a preset protocol;
the second obtaining module is configured to perform baseband uplink processing on the terminal signaling at a time to obtain a bottom layer data KPI indicator and uplink and downlink signaling corresponding to the downlink synchronization information, and specifically includes: and performing uplink baseband processing on the wireless air interface data at the signaling time of the terminal, checking a cyclic redundancy check code of the wireless air interface data, selecting the wireless air interface data corresponding to a correct cyclic redundancy verification code, and performing code stream analysis to obtain a bottom layer data KPI index and uplink and downlink signaling corresponding to the downlink synchronization information.
6. The LTE network air interface analysis device of claim 5, further comprising a network following module, where the network following module is configured to receive synchronization information sent by a macro station, select a network frequency point and a physical cell identifier that need to be followed by the synchronization information, and adjust local time to network consistency between the network frequency point and the physical cell identifier.
7. A computer-readable storage medium, comprising a stored computer program, wherein when the computer program runs, the computer-readable storage medium is controlled by a device to execute the LTE network air interface analysis method according to any one of claims 1 to 4.
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