CN101237657B - Method and system for testing base station time delay - Google Patents
Method and system for testing base station time delay Download PDFInfo
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- CN101237657B CN101237657B CN200710063437XA CN200710063437A CN101237657B CN 101237657 B CN101237657 B CN 101237657B CN 200710063437X A CN200710063437X A CN 200710063437XA CN 200710063437 A CN200710063437 A CN 200710063437A CN 101237657 B CN101237657 B CN 101237657B
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Abstract
The invention discloses a method for testing base station time delay which comprises: a sending step, service data is sent to a tested base station through a Uu air interface; a calculation step, the sum of an uplink physical interweaving and a processing time delay inside the base station and/or the sum of an uplink transmission time delay and a sending time delay of an Iub interface is evaluated according to a combination operation of the time that the service data respectively reaches an FP module of the base station, the time that the data is sent in the Uu air interface and the time that the data is sent in the Iub interface. At the same time, the invention also converts the service data into downlink data through the loop-back unit by mounting a loop-back line on an upstream sending end of the Iub interface, and evaluates the sum of the uplink transmission time delay, the downlink transmission time delay and the sending time delay of the Iub interface by calculating the time difference that the service data is transmitted to the FP module through an uplink transmission and a downlink transmission. The embodiment of the invention can quickly and accurately test the time delay inside the base station and the time delay jitter.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of method and system that are applied to the testing base station time delay of TD SDMA access technology (TD-SCDMA) and broadband S-CDMA access technology (WCDMA) system.
Background technology
3G network is divided into subscriber equipment (UE) usually, wireless access network (UTRAN) and core net (CN) three parts.Wherein, Said UTRAN is by one or more groups wireless network control subsystem (RNS; Radio Network Subsystems) form, each group RNS comprises a radio network controller (RNC, Radio Network Controller) and one or more base station (Node B); Communicate through Iub interface between said NodeB and the RNC, communicate through the Uu air interface between said Node B and the UE.
In GSM, time delay and the time delay shake of real time business such as speech business in each unit of system is an important indicator that influences network performance.Therefore, when the design GSM, need the time delay and the delay variation of main network element device in the test macro, for the excessive equipment of time delay, just need improve, to meet the requirement of professional QOS to its software or hardware.
At present; The method of testing that wireless communication system is carried out time delay commonly used is: in real TD-SCDMA or WCDMA communication system; Initiate various data services with real portable terminal; Accept this business datum through another portable terminal, detect whole time delay and the shake of said data service in said system.And this mode can only be carried out delay testing to whole network system, then can't accurately record through said method for the time delay of single network element internal, makes that the time-delay analysis to single network element has certain difficulty in the system.In GSM, to single network element, especially less to the test concern of NodeB, its means of testing is also relatively deficienter at present.How to test the processing propagation delay time of the inner uplink and downlink of Node B, for the overall performance of analyzing said Node B, the processing of optimizing and improve Node B internal user face has great significance.
Summary of the invention
In view of this, the purpose of the embodiment of the invention is to provide a kind of method and system of testing base station time delay quickly and accurately.
For addressing the above problem, the embodiment of the invention provides a kind of method of testing base station time delay, comprising:
Forwarding step: send business datum to tested base station through the Uu air interface;
Calculation procedure: the time, these data that arrives said base station FP module according to said business datum respectively draws said inside of base station ascending physical signal and interweaves and processing delay sum and/or uplink time delay and Iub interface transmission delay sum in time that the Uu air interface is sent, at the combinatorial operation of the time that Iub interface sends.
Wherein, said business datum also comprises the temporal information that these data are sent in the Uu air interface.
Preferably, before said forwarding step, also comprise:
Establishment step: set up artificial antenna link and customer service and carry;
Between said forwarding step and calculation procedure, also comprise:
Obtaining step: in the FP module of said base station, obtain said business datum, and write down the time that this business datum arrives said FP module;
Analyzing step: the temporal information of from said business datum, sending in the Uu air interface according to these data parses the transmitting time of these data in the Uu air interface;
Said calculation procedure is specially:
The time that this business datum is arrived said tested base station FP module deducts the transmitting time of said data in the Uu air interface, and the ascending physical signal that obtains said base station interweaves and the processing delay sum.
Preferably, before said forwarding step, also comprise:
Establishment step: set up artificial antenna link and customer service and carry.
Between said forwarding step and calculation procedure, also comprise:
Obtaining step: write down the time that said business datum arrives said tested base station FP module;
Monitoring step: obtain said business datum and in the transmitting time of said Iub interface at Iub interface, and the temporal information of sending in the Uu air interface according to these data in this business datum parses the transmitting time of these data in the Uu air interface;
Said calculation procedure is specially:
This business datum is deducted the transmitting time of these data in the Uu air interface in the transmitting time of said Iub interface, obtain the transmission delay sum of upstream data through the overall delay and the Iub interface of said base station;
The time that this business datum is arrived said tested base station FP module deducts the transmitting time of these data in the Uu air interface, and the ascending physical signal that obtains said base station interweaves and the processing delay sum;
The ascending physical signal that overall delay and the Iub interface transmission delay sum of upstream data through said base station deducted said base station interweaves and the processing delay sum, obtains the uplink time delay and the Iub interface transmission delay sum of said base station.
Preferably, also comprise after the said calculation procedure:
With the time delay of the first frame business datum in said tested base station is reference point, and the every frame business datum that records is later on all deducted the time delay of the said first frame business datum in the similar time delay of this base station, obtains the wobble variation of this time delay in this tested base station.
Preferably, also comprise after the said calculation procedure:
The similar time delay of adjacent two frame business datums in said tested base station that records subtracted each other, obtain the wobble variation of this time delay of said tested base station.
Based on technique scheme, the method for a kind of testing base station time delay that the present invention also provides comprises:
Establishment step: the up transmitting terminal at Iub interface is provided with the loopback circuit, sets up artificial antenna link and customer service and carries;
Forwarding step: send business datum to tested base station through the Uu air interface;
Calculation procedure: the time that the said downlink service data that will get access to arrives this tested base station FP module deducts the time that said uplink business data arrives the FP module of this tested base station, obtains the uplink and downlink propagation delay time and the uplink and downlink Iub interface transmission delay sum of said base station.
Preferably, also comprise after the said calculation procedure:
With the time delay of the first frame business datum in said tested base station is reference point, and the every frame business datum that records is later on all deducted the time delay of the said first frame business datum in the similar time delay of this base station, obtains the wobble variation of this time delay in this tested base station.
Preferably, also comprise after the said calculation procedure:
The similar time delay of adjacent two frame business datums in said tested base station that records subtracted each other, obtain the wobble variation of this time delay of said tested base station.
Based on technique scheme, a kind of device that is used for testing base station time delay that the present invention also passes through,
Said device is connected on the tested base station; The time, these data that is used for arriving said base station FP module respectively according to business datum draws said inside of base station ascending physical signal and interweaves and processing delay sum and/or uplink time delay and Iub interface transmission delay sum in time that the Uu air interface is sent, at the combinatorial operation of the time that Iub interface sends; Wherein, said business datum is: the business datum that send to tested base station through the Uu air interface at the terminal;
Said device comprises first computing unit and second computing unit:
Said first computing unit, the time that is used for business datum is arrived said base station FP module deducts the transmitting time of said data in the Uu air interface, and the ascending physical signal that obtains said base station interweaves and the processing delay sum;
Said second computing unit is used for:
Business datum is deducted the transmitting time of these data in the Uu air interface in the transmitting time of Iub interface, obtain upstream data adds processing through the transmission of all modules of inside of base station overall delay;
The time that this business datum is arrived said tested base station FP module deducts the transmitting time of these data in the Uu air interface, and the ascending physical signal that obtains said base station interweaves and the processing delay sum;
The ascending physical signal that the overall delay that the transmission of upstream data through all modules of inside of base station added processing deducts said base station interweaves and the processing delay sum, obtains the uplink time delay and the Iub interface transmission delay sum of said base station;
Wherein, said business datum is to be obtained by supervising device in the transmitting time of said Iub interface, and said supervising device is: the supervising device that inserts at the transmitting terminal of the said Iub interface of up direction.
Based on technique scheme, a kind of system that is used for testing base station time delay that the embodiment of the invention also provides, comprise Iub interface, connect said base station and terminal the Uu air interface, and
The loopback circuit is connected on the up transmitting terminal of Iub interface, is used for said uplink business data is back to said tested base station through said Iub interface, becomes downlink service data;
The analog link apparatus for establishing is connected with said tested base station, is used to set up artificial antenna link and customer service and carries;
The terminal is used for sending business datum through the Uu air interface to tested base station;
Testing apparatus; Be connected with said base station; The time that the said downlink service data that is used for getting access to arrives this tested base station FP module deducts the time that said uplink business data arrives the FP module of this tested base station, obtains the uplink and downlink propagation delay time and the uplink and downlink Iub interface transmission delay sum of said base station.
The present invention has the following advantages:
Through the present invention's inner time delay of testing base station quickly and accurately, its method of testing is simple, and needs extra cost hardly, and is workable.
Simultaneously, the present invention can also carry out branch test to the base station, and then dwindles test specification so that to the time delay of said inside of base station and shake location fast, rapidly lock onto target, investigate fault.
Description of drawings
Fig. 1 is the annexation sketch map of each network element device of prior art communication system;
Fig. 2 A is the time delay sketch map that prior art upstream data each module through the base station produces;
Fig. 2 B is the time delay sketch map that prior art downlink data each module through the base station produces;
Fig. 3 is the method block diagram of the embodiment one of testing base station inner time delay of the present invention;
Fig. 4 is the method block diagram of the embodiment two of testing base station inner time delay of the present invention;
Fig. 5 is the method block diagram of the embodiment three of testing base station inner time delay of the present invention;
Fig. 6 is used for the structure chart of preferred embodiment one of the system of testing base station time delay for the present invention;
Fig. 7 is used for the structure chart of preferred embodiment two of the system of testing base station time delay for the present invention;
Fig. 8 is used for the structure chart of preferred embodiment three of the system of testing base station time delay for the present invention.
Embodiment
Below in conjunction with accompanying drawing execution mode of the present invention is done further elaboration in detail.
See also shown in Figure 1ly, it is the annexation sketch map of each network element device of communication system in the prior art.Communicate through Iub interface between said base station (being referred to as Node B once) and the radio network controller (following general designation RNC); Link to each other through Uu air interface (eating dishes without rice or wine) between said Node B and the terminal equipment (following general designation UE) hereinafter to be referred as Uu.The major function of said Node B is to carry out the physical layer process that Uu eats dishes without rice or wine, like channel interleaving and coding, rate-matched and spread spectrum etc.As shown in Figure 1, the physical layer of said NodeB (PHY below is referred to as PHY) is carried out demodulation after receiving and coming from the business datum that said Uu eats dishes without rice or wine, and when collecting one group of data, said PHY deciphers these group data.Business datum after will deciphering then sends to FP (the Frame Protocol of said Node B; Frame Protocol) module; After said FP module becomes to be beneficial to the FP frame of said Iub interface transmission with said data transaction, through the hop of said Node B, i.e. AAL (ATM Adaptation Layer type; ATM Adaptation Layer) module and ATM (Asynchronous Transfer Mode, asynchronous transfer mode) module sends said business datum from Iub interface.
See also Fig. 2 A, it is the time delay sketch map of prior art upstream data through each module generation of Node B.Can know by figure, up direction, the time delay that each processing module of said Node B produces comprises: physical layer interweave time, Node B processing time, Node B transmission time, Iub interface transmitting time.Wherein, Said physical layer interweaves the time that the time produces when being the PHY layer processing service data of said Node B; The time that produced when the said Node B processing time, to be the FP module with the data transaction that receives became the FP frame, the said Node B transmission time is the time that said business datum produces during through AAL module and atm module.
See also Fig. 2 B, it is the time delay sketch map of prior art downlink data through each module generation of Node B.Can know by figure, down direction, the time delay that each processing module of said Node B produces comprises: NodeB transmission time, Node B processing time.Wherein, After the atm module that the said Node B transmission time is said Node B receives the data that come from said Iub interface; The time of being experienced when transferring to said FP module through AAL module and atm module; After the said Node B processing time separated the FP frame for the FP module will connect business datum, the PHY module through said Node B was sent to the time that said Uu eats dishes without rice or wine to produce.
Three sections time delays that the present invention can be transmitted in Node B according to test needs test service data and time delay combinations thereof are specially:
1, the physical layer of the up direction time delay that interweaves adds the processing delay of Node B;
2, the Node B side propagation delay time of up direction adds the Iub interface transmission delay;
3, the summation of the Node B propagation delay time of up-downgoing and Iub interface propagation delay time;
Below in conjunction with accompanying drawing above-mentioned four kinds of embodiment are done detailed elaboration:
See also shown in Figure 3ly, it tests the method block diagram of the embodiment one of Node B inner time delay for the present invention.This embodiment is used to realize that the physical layer of the up direction time delay that interweaves adds the processing delay of Node B, and concrete steps comprise:
Step 301: send the template message and the template message that is used to set up Uu air interface simulation AAL that is used to set up Iub interface artificial antenna link respectively to tested Node B, to set up required artificial antenna link of user and corresponding AAL carrying thereof.
Wherein, said template message is the signaling message of standard mouth, is the identifiable efficient message of said Node B.The signaling message of all standard mouths all can be made template message in advance, and for example: Radio Link is set up request message (Radio Link Setup Request), and Radio Link is set up response message (Radio LinkSetup Response) etc.After said analog machine RNC receives the message that said tested Node B sends, send template corresponding message to this tested Node B.In the flow process of above-mentioned transmission message; After analog machine RNC receives the message that said tested Node B sends; Preserve the part cell in the said message; And when the template message constructing response message that basis has customized, said cell is added in the said response message, redispatch to tested Node B.Mutual through above-mentioned information, said analog machine RNC has obtained the relevant information of said tested Node B, accomplishes the foundation that Radio Links and corresponding AAL carry according to these information again.
Step 302: use up transmission terminal or UE to eat dishes without rice or wine to send uplink business data to tested Node B through said Uu, said business datum is the characteristic bag that said tested Node B can be identified, and said business can comprise speech business, Packet Service etc.The Connection Frame Number (CFN) that comprises these data in the said business datum can learn that through said Connection Frame Number (CFN) these data are in time that said Uu eats dishes without rice or wine to send.
Step 303: obtain said business datum in the FP module in said tested base station, and write down the time that this business datum arrives said FP module.
Step 304: the temporal information of from said business datum, sending in the Uu air interface according to these data parses the transmitting time of these data in the Uu air interface.
Step 305: the time that said Frame is arrived the FP module deducts the time of this Frame in said Uu air interface transmission; Obtain this Frame from the said Uu inner FP module of Node B of eating dishes without rice or wine; And the time delay after said FP resume module, physical layer interweaves and the processing delay sum in the promptly said tested base station.
See also shown in Figure 4ly, it tests the method block diagram of the embodiment two of Node B inner time delay for the present invention.The Node B side propagation delay time that this embodiment is used for the testing uplink direction adds the Iub interface transmission delay, comprises step:
Step 401: the transmitting terminal at the said Iub interface of up direction inserts supervising device; Said supervising device can use like 3G communication protocol test instrumentations commonly used such as 3GPP protocol analyzers; Be used to obtain and resolve the upstream data that arrives said supervising device through Iub interface, and write down the time of this data arrives.For the time that makes said supervising device record more accurate, present embodiment preferably uses external clock.Said external clock adopts the clock signal of Node B output as triggering, keeps synchronously with this tested Node B.
Step 402: send the template message and the template message that is used to set up Uu air interface simulation AAL that is used to set up Iub interface artificial antenna link respectively to tested Node B, to set up required artificial antenna link of user and corresponding AAL carrying thereof.
Wherein, said template message is the signaling message of standard mouth, is the identifiable efficient message of said Node B.The signaling message of all standard mouths all can be made template message in advance, and for example: Radio Link is set up request message (Radio Link Setup Request), and Radio Link is set up response message (Radio LinkSetup Response) etc.After said analog machine RNC receives the message that said tested Node B sends, send template corresponding message to this tested Node B.In the flow process of above-mentioned transmission message; After analog machine RNC receives the message that said tested Node B sends; Preserve the part cell in the said message; And when the template message constructing response message that basis has customized, said cell is added in the said response message, redispatch to tested Node B.Mutual through above-mentioned information, said analog machine RNC has obtained the relevant information of said tested Node B, accomplishes the foundation that Radio Links and corresponding AAL carry according to these information again.
Step 403: use up transmission terminal or UE to eat dishes without rice or wine to send uplink business data to tested Node B through said Uu, said business datum is the characteristic bag that said tested Node B can be identified, and said business can comprise speech business, Packet Service etc.The Connection Frame Number (CFN) that comprises these data in the said business datum can learn that through said Connection Frame Number (CFN) these data are in time that said Uu eats dishes without rice or wine to send.
Step 404: obtain said business datum in the FP module in said tested base station, and write down the time that this business datum arrives said FP module.
Step 405: said supervising device obtains said upstream data through said Iub interface, and writes down the time of this upstream data of receiving.
Step 406: said supervising device parses the transmitting time that these data are eated dishes without rice or wine at said Uu from said data.
Step 407: arrive the time of the inner FP module of tested Node B, the time that arrives supervising device, and the time of these data when said Uu interface sends according to said upstream data, draw uplink time delay and the Iub interface transmission delay sum of upstream data in said base station.Concrete grammar is:
The time point of these data that said supervising device is received; Deduct the time point that these data of parsing in these data transmit at the Uu interface; Obtain the overall delay of upstream data from the Uu interface to Iub interface, promptly this upstream data adds the overall delay of processing through the transmission of inner all modules of said Node B.
Simultaneously; The time point that said Frame is arrived the FP module deducts the time point that this Frame arrives said Uu interface; Obtain the time delay after this Frame FP resume module inner, time delay and delay variation when promptly physical layer interweaves the processing that adds Node B from the Uu interface to Node B.
The overall delay of inner all modules of the above-mentioned said tested Node B that obtains is deducted said Node B internal physical layers to interweave and adds the processing delay of FP module; Its difference is the propagation delay time of said tested Node B side and the transmission delay of Iub interface, and promptly said upstream data is through the inner AAL module of Node B, the propagation delay time and the Iub interface transmission delay of atm module.
See also shown in Figure 5ly, it tests the method block diagram of the embodiment three of Node B inner time delay for the present invention.This embodiment is used to test the Node B propagation delay time of uplink and downlink and the summation and the time delay of Iub interface propagation delay time shaken, and comprises step:
Step 501:, make the business datum of up direction of said Iub interface to remake to downlink data and to send to this Node B through said loopback line loopback to down direction on the transmitting terminal access ring loop line road of the said Iub interface of up direction.Wherein, said loopback circuit can be by the back-shaped one-tenth of fiber optic loop.
Step 502: send the template message and the template message that is used to set up Uu air interface simulation AAL that is used to set up Iub interface artificial antenna link respectively to tested Node B, to set up required artificial antenna link of user and corresponding AAL carrying thereof.
Wherein, said template message is the signaling message of standard mouth, is the identifiable efficient message of said Node B.The signaling message of all standard mouths all can be made template message in advance, and for example: Radio Link is set up request message (Radio Link Setup Request), and Radio Link is set up response message (Radio LinkSetup Response) etc.After said analog machine RNC receives the message that said tested Node B sends, send template corresponding message to this tested Node B.In the flow process of above-mentioned transmission message; After analog machine RNC receives the message that said tested Node B sends; Preserve the part cell in the said message; And when the template message constructing response message that basis has customized, said cell is added in the said response message, redispatch to tested Node B.Mutual through above-mentioned information, said analog machine RNC has obtained the relevant information of said tested Node B, accomplishes the foundation that Radio Links and corresponding AAL carry according to these information again.
Step 503: use up transmission terminal or UE to eat dishes without rice or wine to send uplink business data to tested Node B through said Uu, said business datum is the characteristic bag that said tested Node B can be identified, and said business can comprise speech business, Packet Service etc.The Connection Frame Number (CFN) that comprises these data in the said business datum can learn that through said Connection Frame Number (CFN) these data are in time that said Uu eats dishes without rice or wine to send.
Time delay and delay variation for test data; Need upstream data and send to NodeB from the Uu interface; Through sending behind the Node B; Be back to said NodeB through the loopback circuit as downlink data again, thereby calculate time delay and the delay variation of these uplink and downlink data via Node B transmission.
Step 504: for up direction, inner this uplink business data of FP module records of said tested Node B arrives the time of this FP module; Afterwards, when said test data through the loopback circuit, and after being back to Node B along down direction through said Iub interface as downlink data, the inner FP module records of said tested Node B receives the time of this downlink data.
Step 505: said business datum is deducted this business datum arrives the FP module of said Node B along up direction time along the time that down direction arrives the FP module of said Node B; Can draw upstream data and send also through Node B transmission back from Iub interface that loopback is a downlink data; The overall delay that transmits through Node B again, the i.e. summation of the uplink and downlink propagation delay time of said base station and Iub interface transmission delay.
In addition; Thought based on the foregoing description; The overall delay that can also transmit through Node B propagation delay time and the Iub interface with up-downgoing, the Node B side propagation delay time that deducts up direction adds the transmission delay of Iub interface, thereby obtains the Node B side propagation delay time of down direction.Because concrete implementation method and the above-mentioned embodiment that lifts duplicate, and repeat no more here.
In order comprehensively to test time delay and the delay variation of Node B, can simulate following several kinds of actual services environment and test respectively:
In the sub-district, has only 1 voice user, observation user's time delay and delay variation;
When voice user in the sub-district go up to expire, observe the time delay and the delay variation of one of them or several users;
In the sub-district, have only 1 user, this user does speech business and PS territory downloading service simultaneously, the time delay and the delay variation of observation voice channel;
In the sub-district, comprise a plurality of voice users, wherein 1 voice user remains business, and several in addition background user are dynamically set up and discharged speech business, observe the voice user's who remains time delay and delay variation;
To above-mentioned different service environment, need to send different masterplate message, the carrying of setting up required wireless connections of user and different business.Because of concrete method for building up is a present technique known general knowledge, repeat no more here.
Three part time delays of the said tested Node B that obtains according to the above embodiment of the present invention can further obtain the delay variation of data in the different phase of said Node B internal transmission, and the numerical procedure of said delay variation is:
With certain section time delay of the first frame business datum in said tested base station is reference point, and later every frame data all deduct the said time delay of first frame in this section time delay of said base station transmits, obtains the wobble variation of said time delay in this tested base station.
Perhaps, the adjacent two frame business datums that record are subtracted each other in the similar time delay of said tested base station transmits, then obtain the wobble variation of this type of time delay of said tested base station.
Because the foregoing description can obtain three part time delays of Node B, therefore, can the time delay that different piece produces be calculated according to the method for above-mentioned delay variation, can access the delay variation situation of corresponding this part.Be used for when test, the time delay situation that can be directed against the inner different phase of Node B analyzed targetedly, thereby the fault of the investigation Node B of emphasis is arranged.
Based on the technical scheme of above-mentioned testing base station time delay, the present invention also provides a kind of system that is used for testing base station time delay, and the ascending physical signal that is used to test the said base station of said base station interweaves and the processing delay sum.See also shown in Figure 6ly, it is used for the structure chart of preferred embodiment one of the system of testing base station time delay for the present invention, and wherein, said system comprises: comprise Iub interface 606, connect said tested base station 604 and terminal 601 Uu air interface 602, and
Analog link apparatus for establishing 603 is connected with said tested base station 604, is used to set up artificial antenna link and customer service and carries.
Wherein, said testing apparatus 605 comprises:
Acquiring unit 607 is connected with said tested base station 604, is used to obtain in business datum described in the 604FP module of said base station, and writes down the time that this business datum arrives the FP module of said base station 604; And
Based on the technical scheme of above-mentioned testing base station time delay, the present invention also provides a kind of system that is used for testing base station time delay, is used to test the uplink time delay and the Iub interface transmission delay sum of said base station.See also shown in Figure 7ly, it is used for the structure chart of preferred embodiment two of the system of testing base station time delay for the present invention, and wherein, said system comprises: comprise Iub interface 706, connect said tested base station 704 and terminal 701 Uu air interface 702, and
Supervising device 707; Be connected the up transmitting terminal of said Iub interface 706; Be used for obtaining said business datum and in the transmitting time of said Iub interface 706, and the temporal information of sending in said Uu air interface 706 according to these data parses the transmitting time of these data in said Uu air interface 702 at Iub interface 706.
Analog link apparatus for establishing 703 is connected with said tested base station 704, is used to set up artificial antenna link and customer service and carries.
Wherein, said testing apparatus 705 comprises acquiring unit 708, computing unit 709:
Acquiring unit 708; Be connected between said base station 704 and the computing unit 709; And be connected with said supervising device 707, be used to obtain time that said business datum arrives the FP module of said tested base station 704, and these data of obtaining from said supervising device 707 in the transmitting time of said Uu air interface 702 and in the transmitting time of Iub interface 706;
The time that this business datum is arrived the FP module of said tested base station 704 deducts the transmitting time of these data in Uu air interface 706, and the ascending physical signal that obtains said base station 704 interweaves and the processing delay sum;
The ascending physical signal that overall delay and the Iub interface 706 transmission delay sums of upstream data through said base station 704 are deducted said base station 704 interweaves and the processing delay sum, obtains the uplink time delay and the said Iub interface 706 transmission delay sums of said base station 704.
See also shown in Figure 8ly, it is used for the structure chart of preferred embodiment three of the system of testing base station time delay, the uplink and downlink propagation delay time and the Iub interface transmission delay sum that are used to test said base station for the present invention.Wherein, said system comprises: Iub interface 806, connect said tested base station 804 and terminal 801 Uu air interface 802, and
Analog link apparatus for establishing 803 is connected with said tested base station 804, is used to set up artificial antenna link and customer service and carries.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for a testing base station time delay is characterized in that, comprising:
Forwarding step: send business datum to tested base station through the Uu air interface;
Calculation procedure: the time, these data that arrives said base station Frame Protocol FP module according to said business datum respectively draws said inside of base station ascending physical signal and interweaves and processing delay sum and/or uplink time delay and Iub interface transmission delay sum in time that the Uu air interface is sent, at the combinatorial operation of the time that Iub interface sends;
The calculation procedure that the inside of base station ascending physical signal interweaves with the processing delay sum is specially:
The time that business datum is arrived said tested base station FP module deducts the transmitting time of said data in the Uu air interface, and the ascending physical signal that obtains said base station interweaves and the processing delay sum;
The calculation procedure of base station uplink time delay and Iub interface transmission delay sum is specially:
Business datum is deducted the transmitting time of these data in the Uu air interface in the transmitting time of said Iub interface, obtain upstream data adds processing through the transmission of all modules of inside of base station overall delay;
The time that this business datum is arrived said tested base station FP module deducts the transmitting time of these data in the Uu air interface, and the ascending physical signal that obtains said base station interweaves and the processing delay sum;
The ascending physical signal that the overall delay that the transmission of upstream data through all modules of inside of base station added processing deducts said base station interweaves and the processing delay sum, obtains the uplink time delay and the Iub interface transmission delay sum of said base station;
Wherein, said business datum is to be obtained by supervising device in the transmitting time of said Iub interface, and said supervising device is: the supervising device that inserts at the transmitting terminal of the said Iub interface of up direction.
2. the method for test time delay as claimed in claim 1 is characterized in that, said business datum also comprises the temporal information that these data are sent in the Uu air interface.
3. the method for test time delay as claimed in claim 2 is characterized in that, before said forwarding step, also comprises:
Establishment step: set up artificial antenna link and customer service and carry;
Between said forwarding step and calculation procedure, also comprise:
Obtaining step: in the FP module of said base station, obtain said business datum, and write down the time that this business datum arrives said FP module;
Analyzing step: the temporal information of from said business datum, sending in the Uu air interface according to these data parses the transmitting time of these data in the Uu air interface.
4. the method for test time delay as claimed in claim 2 is characterized in that, before said forwarding step, also comprises:
Establishment step: set up artificial antenna link and customer service and carry;
Between said forwarding step and calculation procedure, also comprise:
Obtaining step: write down the time that said business datum arrives said tested base station FP module;
Monitoring step: obtain said business datum and in the transmitting time of said Iub interface at Iub interface, and the temporal information of sending in the Uu air interface according to these data in this business datum parses the transmitting time of these data in the Uu air interface.
5. like the method for each described test time delay in the claim 1 to 4, it is characterized in that, also comprise after the said calculation procedure:
With the time delay of the first frame business datum in said tested base station is reference point, and the every frame business datum that records is later on all deducted the time delay of the said first frame business datum in the similar time delay of this base station, obtains the wobble variation of this time delay in this tested base station.
6. like the method for each described test time delay in the claim 1 to 4, it is characterized in that, also comprise after the said calculation procedure:
The similar time delay of adjacent two frame business datums in said tested base station that records subtracted each other, obtain the wobble variation of this time delay of said tested base station.
7. the method for a testing base station time delay is characterized in that, comprising:
Establishment step: the up transmitting terminal at Iub interface is provided with the loopback circuit, sets up artificial antenna link and customer service and carries;
Forwarding step: send business datum to tested base station through the Uu air interface;
Calculation procedure: the time that the said downlink service data that will get access to arrives this tested base station FP module deducts the time that said uplink business data arrives the FP module of this tested base station, obtains the uplink and downlink propagation delay time and the uplink and downlink Iub interface transmission delay sum of said base station.
8. the method for test time delay as claimed in claim 7 is characterized in that, also comprises after the said calculation procedure:
With the time delay of the first frame business datum in said tested base station is reference point, and the every frame business datum that records is later on all deducted the time delay of the said first frame business datum in the similar time delay of this base station, obtains the wobble variation of this time delay in this tested base station.
9. the method for test time delay as claimed in claim 7 is characterized in that, also comprises after the said calculation procedure:
The similar time delay of adjacent two frame business datums in said tested base station that records subtracted each other, obtain the wobble variation of this time delay of said tested base station.
10. system that is used for testing base station time delay comprises Iub interface, connects the Uu air interface at said base station and terminal, it is characterized in that, also comprises:
The loopback circuit is connected on the up transmitting terminal of Iub interface, is used for said uplink business data is back to said tested base station through said Iub interface, becomes downlink service data;
The analog link apparatus for establishing is connected with said tested base station, is used to set up artificial antenna link and customer service and carries;
The terminal is used for sending business datum through the Uu air interface to tested base station;
Testing apparatus; Be connected with said base station; The time that the said downlink service data that is used for getting access to arrives this tested base station FP module deducts the time that said uplink business data arrives the FP module of this tested base station, obtains the uplink and downlink propagation delay time and the uplink and downlink Iub interface transmission delay sum of said base station.
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| CN103856955B (en) * | 2012-11-28 | 2018-07-20 | 腾讯科技（深圳）有限公司 | A kind of test method and device of data transmission |
| CN104469822A (en) * | 2014-11-26 | 2015-03-25 | 大唐移动通信设备有限公司 | Testing method, base station and system |
| CN110708206A (en) * | 2018-07-10 | 2020-01-17 | 普天信息技术有限公司 | Method and equipment for measuring air interface time delay of base station |
| CN109673021B (en) * | 2018-12-13 | 2022-03-15 | 南京地铁建设有限责任公司 | Service delay determining method |
| CN111405603B (en) * | 2019-01-02 | 2023-05-09 | 中国移动通信有限公司研究院 | Time delay acquisition method, testing device and computer storage medium |
| CN109981418B (en) * | 2019-04-11 | 2020-08-04 | 广东电网有限责任公司 | Communication quality perception system |
| CN114323067A (en) * | 2021-12-02 | 2022-04-12 | 一汽奔腾轿车有限公司 | Vehicle navigation data timeliness test method |
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| CN1770900A (en) * | 2004-11-01 | 2006-05-10 | 华为技术有限公司 | Method for measuring network wireless side time delay |
| CN1878351A (en) * | 2006-07-11 | 2006-12-13 | 华为技术有限公司 | Method and apparatus for obtaining interface time delay between wireless network controller and base station |
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| CN1770900A (en) * | 2004-11-01 | 2006-05-10 | 华为技术有限公司 | Method for measuring network wireless side time delay |
| CN1878351A (en) * | 2006-07-11 | 2006-12-13 | 华为技术有限公司 | Method and apparatus for obtaining interface time delay between wireless network controller and base station |
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