CN107222885A - A kind of signaling decoding method for monitoring analyzer of being eated dishes without rice or wine suitable for LTE A - Google Patents
A kind of signaling decoding method for monitoring analyzer of being eated dishes without rice or wine suitable for LTE A Download PDFInfo
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- CN107222885A CN107222885A CN201710424909.3A CN201710424909A CN107222885A CN 107222885 A CN107222885 A CN 107222885A CN 201710424909 A CN201710424909 A CN 201710424909A CN 107222885 A CN107222885 A CN 107222885A
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- signaling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
Abstract
The signaling decoding method of monitoring analyzer of the invention of being eated dishes without rice or wine suitable for LTE A, it is characterized in that, when being decoded to LTE A space interface signalings, first signaling is distributed according to type of message, signaling after distribution is successively decoded, until decoding is to context, then backfill is associated to the decoded result of control plane signaling and business plane signaling, form complete call flow and go out table, be achieved in detection and analysis to LTE A space interface signalings.The method have the benefit that by effectively being parsed according to type of message to the original signaling that Uu interfaces in LTE A networks are gathered, completing the association backfill of message in same user's flow, synthesizing complete operation flow.It can operate with LTE A to eat dishes without rice or wine monitoring analyzer L3 and service surface processing module, be conducive to the detection and maintenance of LTE A networks, be conducive to that the user behavior of current network is detected and analyzed.
Description
Technical field
The present invention relates to communication test technical field, and in particular to is eated dishes without rice or wine monitoring analyzer suitable for LTE-A to a kind of
Signaling decoding method.
Background technology
With the fast development of internet, wireless communication technology occurs in that mobile, IPization, broadband development trend,
People increasingly increase for the demand of higher transfer rate and more stable transmission performance, and 3GPP tissues propose LTE projects.LTE
(Long Term Evolution) project is 3G evolution, with orthogonal frequency division multiplex OFDM (Orthogonal Frequency
Division Multiplexing) and multiple-input and multiple-output MIMO (Multiple-Input Multiple-Output) technology
For core, the peak rate of the descending 100Mbit/s and up 50Mbit/s under 20MHz spectral bandwidths are provided the user, its
Main target is to improve transmission rate, reduction propagation delay time, lift cell capacity, optimization marginal user performance, reduce and run into
This.LTE-A is LTE evolution version, is met and the demand more than IMT-Advanced, while after also keeping preferable to LTE
To compatibility.LTE-A employs carrier aggregation, the enhancing of uplink/downlink multiple antennas, coordinated multipoint transmission, relaying, heterogeneous network interference association
The key technologies such as enhancing are adjusted, peak data rate, peaks spectrum efficiency, the cell averaging spectrum of wireless communication system is substantially increased
Efficiency and cell boundary users performance, while can also improve the networking efficiency of whole network, this causes lte-a system to turn near
The in the past few years main flow of Development of Wireless Communications.High speed development and the sharp increase of wireless data service with mobile communication technology, network
Replacement process is constantly accelerated, and air interface technologies are continually introduced, the weight that monitoring technology of eating dishes without rice or wine increasingly is developed by the communications industry
Depending on and pay close attention to.Explosive growth is presented to data communication and multimedia service demand in user, will be to monitoring system of eating dishes without rice or wine in network
New challenge is brought in terms of quality optimization, measuring technology precision and quality of service lifting, air interface monitoring becomes industry
The focus of boundary's research.
According to the difference of function, LTE-A air protocols stack can functionally be divided into physical layer L1, data link layer L2 and
Radio resource control layer RRC, physical layer L1 provide data transport service by transmission channel for upper strata, and data link layer L2 is used for
Transmission service is provided for Network Layer Signaling and various types of user data, radio resource control layer RRC is pertaining only to control plane,
For handling the signaling between UE and access network.
LTE-A network protocol stack uses ASN.1 encoders and encoded, and ASN.1 standards can be divided into two parts, one
It is abstract syntax to divide, and is responsible for the description of data type, another part is transfer syntax, is responsible for entering the coding rule of abstract syntax
Row description.ASN.1 is described document by ASN.1 codecs using this feature of the expression structured message of ASN.1 high abstractions
As input, the corresponding data structure of logic is formed after conversion.Binary code stream need to be only inputted during decoding, is if necessary passed
Enter other specification so that decoder recognizes type of message, binary data therein is directly inserted corresponding data knot by decoder
Structure, application program can directly read corresponding value.
The instrument that the country is not monitored and analyzed also to LTE-A space interface signalings at present, can not also be directly empty to LTE-A
Message order is monitored and analyzed.
The content of the invention
, can not also be directly right for the domestic instrument not being monitored and analyzed to LTE-A space interface signalings also at present
The present situation that LTE-A space interface signalings are monitored and analyzed, the present invention proposes a kind of letter for monitoring analyzer of being eated dishes without rice or wine suitable for LTE-A
Make coding/decoding method.
The signaling decoding method of monitoring analyzer of the invention of being eated dishes without rice or wine suitable for LTE-A, it is characterised in that empty to LTE-A
Message is made when being decoded, and first signaling is distributed according to type of message, the signaling after distribution is successively decoded, up to
Decoding is associated backfill to context, then to the decoded result of control plane signaling and business plane signaling, forms complete exhale
It is flow and goes out table, is achieved in the detection to LTE-A space interface signalings and analysis；Comprise the following steps：
S1：Data link layer L2 data are read by L2 processing modules；
The L2 data refer to the initial data gathered from LTE-A network Uu interfaces by L1 processing modules and L2 processing moulds
The data obtained after block processing；
The L1 processing modules can be acquired to LTE-A data of eating dishes without rice or wine, including the up-downgoing transmitted between UE and eNB
Data, and the data gathered are subjected to locally preservation and send physical layer L1 data to L2 processing modules；
The L2 processing modules can be stored to L1 data, and MAC layer, rlc layer and PDCP layer protocols can be entered
Row parsing, is decompressed and is parsed, and upper strata cryptographic protocol is parsed into plain text；
S2：L2 data are preserved in disk with MsgBuf structures, it is convenient to be extracted in data readback；
S3：L2 data are distributed, according to different types of messages identification control plane signaling and business plane signaling, sent out respectively
It is sent to the afterbody of chain of command lock-free queue and the afterbody of service surface lock-free queue；
S4：Control plane signaling and business plane signaling are obtained respectively from lock-free queue head, to control plane signaling and service surface
Signaling is respectively controlled face decoding synthesis and decodes synthesis with service surface；Chain of command decoding synthesis is main include to RRC and
The parsing of NAS agreements, calls ASN.1 decoders to carry out decoding synthesis；Service surface decoding synthesis include IP, TCP, HTTP,
UDP, DNS and File Transfer Protocol parsing, according to different types of agreement, call different decoders to carry out decoding synthesis；
S5：Plane signaling will be controlled to carry out multi-protocol association with the result after service surface signaling decoding, same subscriber is existed
Information in same flow carries out matching association, stamps multi-protocol association label, and completes field backfill, forms complete signaling
Flow；
S6：The result synthesis CDR after backfill will be associated and go out table.
Further, in chain of command decoding synthesis in step s 4, including the decoding to RRC agreements, it is described that RRC is assisted
The decoding of view comprises the following steps：
S41：Receive by the incoming message code stream of lower floor and be read out, according to the packing rule of lower-layer protocols, taking-up disappears
Field head is ceased relative to the vertical shift of original signaling head and the frame length of field；
S42：According to the up-downlink direction of message, i.e. UPLINK or DOWNLINK, logical channel type, i.e. BCCH, PCCH,
CCCH or DCCH, transmission channel kinds, i.e. BCH, PCH or DL-SCH, information judges the type of current message；
S43：The ASN.l decoders for calling corresponding message according to type of message are decoded, and decoder will decode what is obtained
Information is inserted in corresponding data structure；
S44：Decoded result synthon CDR is returned into main program.
Further, service surface decoding synthesis in step s 4, comprises the following steps：
S51：Receive by the incoming message code stream of lower floor and be read out, according to the packing rule of lower-layer protocols, taking-up has
Signaling is imitated relative to the vertical shift of initial data and the frame length of field；
S52：Judge type of message, call correspondence decoder to be decoded；
S53：Decoded result synthon CDR is returned into main program.
Further, the decoding of each agreement in step s 4, including, need to be to upper strata when being decoded to every layer protocol
Agreement is identified, when there is upper-layer protocol, and upper-layer protocol is continued to decode, until decoding is to context, including it is following
Step：
S61：Original signaling is read, according to the packing rule of lower floor, message header is removed, what taking-up need to actually be decoded disappears
Breath；
S62：Whether be empty, if it is empty, then decoding is completed if judging signaling；If not empty, then order performs step S63；
S63：According to the logical channel type and transmission channel kinds information for reading signaling, signaling type is recognized；
S64：According to the difference of signaling type, corresponding decoder is called to be decoded；
S65：Top signaling is recognized, judges whether decoding completes, if there is top signaling, execution step S64 is redirected；If
Top signaling is sky, then decoding is completed.
The method have the benefit that by the original signaling to Uu interfaces collection in LTE-A network according to message class
Type is effectively parsed, and is completed the association backfill of message in same user's flow, is synthesized complete operation flow.It can operate with
LTE-A eats dishes without rice or wine monitoring analyzer L3 and service surface processing module, is conducive to the detection and maintenance of LTE-A network, is conducive to working as
The user behavior of preceding network is detected and analyzed.
Brief description of the drawings
Accompanying drawing 1 is the signaling decoding method schematic flow sheet of monitoring analyzer of the invention of being eated dishes without rice or wine suitable for LTE-A；
Accompanying drawing 2 for the present invention suitable for LTE-A eat dishes without rice or wine monitoring analyzer signaling decoding method to various protocol-decoding streams
Journey schematic diagram.
Further is made suitable for the eat dishes without rice or wine signaling decoding methods of monitoring analyzer of LTE-A to the present invention below in conjunction with the accompanying drawings
Explanation.
Embodiment
It should be evident that drawings in the following description are only some embodiments of the present invention, it will be appreciated that retouch in this place
The preferred embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the present invention.
Accompanying drawing 1 is the signaling decoding method schematic flow sheet of monitoring analyzer of the invention of being eated dishes without rice or wine suitable for LTE-A, can by figure
Know, the signaling decoding method of monitoring analyzer of the invention of being eated dishes without rice or wine suitable for LTE-A, when being decoded to LTE-A space interface signalings,
First signaling is distributed according to type of message, the signaling after distribution is successively decoded, until decoding is to context, then
Backfill is associated to the decoded result of control plane signaling and business plane signaling, complete call flow is formed and goes out table, thus
Realize the detection and analysis to LTE-A space interface signalings；Comprise the following steps：
S1：Data link layer L2 data are read by L2 processing modules；
The L2 data refer to the initial data gathered from LTE-A network Uu interfaces by L1 processing modules and L2 processing moulds
The data obtained after block processing；
The L1 processing modules can be acquired to LTE-A data of eating dishes without rice or wine, including the up-downgoing transmitted between UE and eNB
Data, and the data gathered are subjected to locally preservation and send physical layer L1 data to L2 processing modules；
The L2 processing modules can be stored to L1 data, and MAC layer, rlc layer and PDCP layer protocols can be entered
Row parsing, is decompressed and is parsed, and upper strata cryptographic protocol is parsed into plain text；
S2：L2 data are preserved in disk with MsgBuf structures, it is convenient to be extracted in data readback；
S3：L2 data are distributed, according to different types of messages identification control plane signaling and business plane signaling, sent out respectively
It is sent to the afterbody of chain of command lock-free queue and the afterbody of service surface lock-free queue；
S4：Control plane signaling and business plane signaling are obtained respectively from lock-free queue head, to control plane signaling and service surface
Signaling is respectively controlled face decoding synthesis and decodes synthesis with service surface；Chain of command decoding synthesis is main include to RRC and
The parsing of NAS agreements, calls ASN.1 decoders to carry out decoding synthesis；Service surface decoding synthesis include IP, TCP, HTTP,
UDP, DNS and File Transfer Protocol parsing, according to different types of agreement, call different decoders to carry out decoding synthesis；
S5：Plane signaling will be controlled to carry out multi-protocol association with the result after service surface signaling decoding, same subscriber is existed
Information in same flow carries out matching association, stamps multi-protocol association label, and completes field backfill, forms complete signaling
Flow；
S6：The result synthesis CDR after backfill will be associated and go out table.
Because the country is not monitored the instrument of analysis also to LTE-A space interface signalings at present, therefore, the present invention is according to electricity
Communication service relation proposes the signaling decoding system of a set of monitoring analyzer of being eated dishes without rice or wine suitable for LTE-A, can operate with LTE-A and eats dishes without rice or wine to supervise
Survey the design of analyzer three processing module of layer.By the initial data to Uu interfaces collection in LTE-A network according to type of message
Effectively parsed, and complete the association backfill of message in same user's flow, synthesized complete operation flow, can operate with
LTE-A eats dishes without rice or wine monitoring analyzer three processing module of layer, beneficial to the detection and maintenance of LTE-A network, analyzes user's internet behavior.This
The L2 data that invention by data of eating dishes without rice or wine to LTE-A obtain after layer two is parsed carry out real-time decoding, and upper-layer protocol is carried out
Decoding synthesizes and associates backfill, goes out and database purchase is carried out after table, for analyzing signaling process and number of users during call setup
According to user behavior is detected and analyzed to current network, more high-quality is brought to users in brand-new high-level network
While business experience, also analysis detection effectively can be carried out to network.
Preferably, in the chain of command decoding synthesis of the present invention in step s 4, including the decoding to RRC agreements, it is described
Decoding to RRC agreements comprises the following steps：
S41：Receive by the incoming message code stream of lower floor and be read out, according to the packing rule of lower-layer protocols, taking-up disappears
Field head is ceased relative to the vertical shift of original signaling head and the frame length of field；
S42：According to the up-downlink direction of message, i.e. UPLINK or DOWNLINK, logical channel type, i.e. BCCH, PCCH,
CCCH or DCCH, transmission channel kinds, i.e. BCH, PCH or DL-SCH, information judges the type of current message；
S43：The ASN.l decoders for calling corresponding message according to type of message are decoded, and decoder will decode what is obtained
Information is inserted in corresponding data structure；
S44：Decoded result synthon CDR is returned into main program.
Meanwhile, service surface decoding synthesis in step s 4 comprises the following steps：
S51：Receive by the incoming message code stream of lower floor and be read out, according to the packing rule of lower-layer protocols, taking-up has
Signaling is imitated relative to the vertical shift of initial data and the frame length of field；
S52：Judge type of message, call correspondence decoder to be decoded；
S53：Decoded result synthon CDR is returned into main program.
Accompanying drawing 2 for the present invention suitable for LTE-A eat dishes without rice or wine monitoring analyzer signaling decoding method to various protocol-decoding streams
Journey schematic diagram, as seen from the figure, the decoding of each agreement in step s 4, including, need to be to upper strata when being decoded to every layer protocol
Agreement is identified, when there is upper-layer protocol, and upper-layer protocol is continued to decode, until decoding is to context, including it is following
Step：
S61：Original signaling is read, according to the packing rule of lower floor, message header is removed, what taking-up need to actually be decoded disappears
Breath；
S62：Whether be empty, if it is empty, then decoding is completed if judging signaling；If not empty, then order performs step S63；
S63：According to the logical channel type and transmission channel kinds information for reading signaling, signaling type is recognized；
S64：According to the difference of signaling type, corresponding decoder is called to be decoded；
S65：Top signaling is recognized, judges whether decoding completes, if there is top signaling, execution step S64 is redirected；If
Top signaling is sky, then decoding is completed.
Obviously, the method have the benefit that by LTE-A network Uu interfaces gather original signaling according to
Type of message is effectively parsed, and is completed the association backfill of message in same user's flow, is synthesized complete operation flow.It can transport
Eated dishes without rice or wine monitoring analyzer L3 and service surface processing module for LTE-A, be conducive to the detection and maintenance of LTE-A network, be conducive to
The user behavior of current network is detected and analyzed.Further, it is possible to systematically data are distributed, decode synthesis,
Association backfill and go out table, user behavior is detected and analyzed to current network, brand-new high-level network to users with
While carrying out the more business experience of high-quality, also analysis detection effectively can be carried out to network.
Claims (4)
1. a kind of signaling decoding method for monitoring analyzer of being eated dishes without rice or wine suitable for LTE-A, it is characterised in that in letter of being eated dishes without rice or wine to LTE-A
Make when being decoded, first signaling is distributed according to type of message, the signaling after distribution is successively decoded, until decoding
Backfill is associated to context, then to the decoded result of control plane signaling and business plane signaling, complete call-flow is formed
Journey simultaneously goes out table, is achieved in the detection to LTE-A space interface signalings and analysis；Comprise the following steps：
S1：Data link layer L2 data are read by L2 processing modules；
At the L2 data refer to the initial data gathered from LTE-A network Uu interfaces by L1 processing modules and L2 processing modules
The data obtained after reason；
The L1 processing modules can be acquired to LTE-A data of eating dishes without rice or wine, including the line number up and down transmitted between UE and eNB
According to, and the data gathered are subjected to locally preservation and send physical layer L1 data to L2 processing modules；
The L2 processing modules can be stored to L1 data, and MAC layer, rlc layer and PDCP layer protocols can be solved
Analysis, is decompressed and is parsed, and upper strata cryptographic protocol is parsed into plain text；
S2：L2 data are preserved in disk with MsgBuf structures, it is convenient to be extracted in data readback；
S3：L2 data are distributed, according to different types of messages identification control plane signaling and business plane signaling, are separately sent to
The afterbody of chain of command lock-free queue and the afterbody of service surface lock-free queue；
S4：Control plane signaling and business plane signaling are obtained respectively from lock-free queue head, to control plane signaling and business plane signaling
It is respectively controlled face decoding synthesis and decodes synthesis with service surface；The chain of command decoding synthesis is main to be included assisting RRC and NAS
The parsing of view, calls ASN.1 decoders to carry out decoding synthesis；Service surface decoding synthesis include IP, TCP, HTTP, UDP,
DNS and File Transfer Protocol parsing, according to different types of agreement, call different decoders to carry out decoding synthesis；
S5：Plane signaling will be controlled to carry out multi-protocol association with the result after service surface signaling decoding, by same subscriber same
Information in flow carries out matching association, stamps multi-protocol association label, and completes field backfill, forms complete signaling flow
Journey；
S6：The result synthesis CDR after backfill will be associated and go out table.
2. the signaling decoding method for monitoring analyzer of being eated dishes without rice or wine according to claim 1 suitable for LTE-A, it is characterised in that
Chain of command in step S4 is decoded in synthesis, including the decoding to RRC agreements, and the decoding to RRC agreements includes following step
Suddenly：
S41：Receive by the incoming message code stream of lower floor and be read out, according to the packing rule of lower-layer protocols, take out message word
Paragraph header is relative to the vertical shift of original signaling head and the frame length of field；
S42：According to the up-downlink direction of message, i.e. UPLINK or DOWNLINK, logical channel type, i.e. BCCH, PCCH, CCCH
Or DCCH, transmission channel kinds, i.e. BCH, PCH or DL-SCH, information judges the type of current message；
S43：The ASN.l decoders for calling corresponding message according to type of message are decoded, and decoder will decode the information obtained
Insert in corresponding data structure；
S44：Decoded result synthon CDR is returned into main program.
3. the signaling decoding method for monitoring analyzer of being eated dishes without rice or wine according to claim 1 suitable for LTE-A, it is characterised in that
Service surface decoding synthesis in step S4, comprises the following steps：
S51：Receive by the incoming message code stream of lower floor and be read out, according to the packing rule of lower-layer protocols, take out effectively letter
Make the vertical shift relative to initial data and the frame length of field；
S52：Judge type of message, call correspondence decoder to be decoded；
S53：Decoded result synthon CDR is returned into main program.
4. the signaling decoding method for monitoring analyzer of being eated dishes without rice or wine according to claim 1 suitable for LTE-A, it is characterised in that
The decoding of each agreement in step S4, including, when being decoded to every layer protocol, upper-layer protocol need to be identified, work as presence
During upper-layer protocol, upper-layer protocol is continued to decode, until decoding comprises the following steps to context：
S61：Original signaling is read, according to the packing rule of lower floor, message header is removed, takes out the message that need to actually decode；
S62：Whether be empty, if it is empty, then decoding is completed if judging signaling；If not empty, then order performs step S63；
S63：According to the logical channel type and transmission channel kinds information for reading signaling, signaling type is recognized；
S64：According to the difference of signaling type, corresponding decoder is called to be decoded；
S65：Top signaling is recognized, judges whether decoding completes, if there is top signaling, execution step S64 is redirected；If upper strata
Signaling is sky, then decoding is completed.
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| CN201710424909.3A CN107222885A (en) | 2017-06-07 | 2017-06-07 | A kind of signaling decoding method for monitoring analyzer of being eated dishes without rice or wine suitable for LTE A |
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| CN111182577A (en) * | 2020-01-03 | 2020-05-19 | 重庆邮电大学 | CDR synthesis monitoring system and method suitable for 5G road tester |
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| CN111372209A (en) * | 2018-12-06 | 2020-07-03 | 中国移动通信集团辽宁有限公司 | Signaling data processing method, device, equipment and medium |
| CN111372209B (en) * | 2018-12-06 | 2022-04-08 | 中国移动通信集团辽宁有限公司 | Signaling data processing method, device, equipment and medium |
| CN111182577A (en) * | 2020-01-03 | 2020-05-19 | 重庆邮电大学 | CDR synthesis monitoring system and method suitable for 5G road tester |
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Address after: 401220 No. 6 Xinmin Road, Xinshi Street, Changshou District, Chongqing Applicant after: Chongqing Zhongyou Huice Communication Technology Co., Ltd. Address before: 401121 Chongqing North New District Yubei District high tech Park mercury science and Technology Development Center North Wing 5 floor Applicant before: Chongqing Zhongyou Huice Communication Technology Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170929 |