CN102802185A - Method and system for testing wireless coverage performance of cell, user equipment and evolved node B - Google Patents
Method and system for testing wireless coverage performance of cell, user equipment and evolved node B Download PDFInfo
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Abstract
The invention provides a method and a system for testing wireless coverage performance of a cell, user equipment and an evolved node B. The method comprises the following steps that: the user equipment is attached to an evolved universal terrestrial radio access network through the cell and then triggers a loopback test process, and an uplink loopback test data packet is constructed and transmitted to the evolve node B; the evolve node B receives the uplink loopback test data packet, analyzes the received uplink loopback test data packet, repackages the analyzed uplink loopback test data packet to form a downlink loopback test data packet and transmits the downlink loopback test data packet to the user equipment; and the user equipment tests the wireless coverage performance of the cell according to all received downlink loopback test data packets. By the method, the system, the user equipment and the evolved node B, any network resource of a core network is not required to be occupied, the method and the system are simple and high in efficiency, and the efficiency of measuring the wireless coverage performance of the cell can be greatly improved.
Description
Technical field
The present invention relates to the cordless communication network field tests, relate in particular to LTE (Long Term Evolution, Long Term Evolution) wireless telecommunications field tests, particularly relate to method and system, terminal and the base station of a kind of sub-district wireless coverage performance test.
Background technology
As shown in Figure 1; E-UTRAN (Evolved Universal Terrestrial Radio Access Network, the universal land radio access web of evolution) is a kind of technology of paying close attention to UTRAN (Universal Terrestrial Radio Access Network, universal land radio access web) evolution; E-UTRAN optimizes traditional U TRAN structure; Adopt flat network configuration, Access Network only comprises eNB (Evolved Node B, base station); No longer include RNC (Radio Network Controller, radio network controller).UE (User Equipment; User terminal) through the Uu interface (be UE with UTRAN between interface) be connected with E-UTRAN; Set up physical connection through air protocol and E-UTRAN; Pass through the connection between E-UTRAN foundation and the EPC (Evolved Packet Core, the packet-based core networks of evolution) then, thereby can initiate the application request service to EPC.
The main purpose that LTE introduces comprises that mode realizes high data throughput and low time delay as far as possible efficiently.But in the long run, along with the increase of LTE number of users, if number of users is too many in the sub-district, performance just possibly be affected so.In addition; Along with the increase of active user quantity, cell-edge performance will be affected along with the reduction of SINR (Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio); Certainly; The performance parameters such as wireless coverage of sub-district diverse location point also are not quite similar, if want the similar this problem of good treatment, have mentioned these problems of performance measurement such as sub-district wireless coverage with regard to needs.
In order to guarantee the normal operation of LTE wireless communication system; After LTE system actual deployment; Need measure fully performances such as sub-district wireless coverages; For example peak throughput and delay testing etc. have only performance parameters such as overall understanding sub-district wireless coverage, and just can guarantee provides high-quality reliable high data rate services for the user in whole sub-district.
The LTE system deployment also is in the starting stage; It also not the product of a maturation; Carry out the mode that performance measurement such as sub-district wireless coverage takes at present and flow operational trials (UE of LTE systems are supported in companies' issues such as existing at present Samsung, high pass) with regard to being to use the UE that supports the LTE system; Specifically have: VoIP (networking telephone) tone testing, video traffic test and data service test etc., so that obtain the actual performance parameters such as wireless coverage in sub-district, but current this test mode needs the support of network side resources such as eNB, EPC; Means of testing is complicated; And take the network side resource, restrictive condition is more, if the EPC side goes wrong and will cause measuring failure in the measuring process.
Summary of the invention
The technical problem that the present invention will solve provides method and system, terminal, the base station of a kind of sub-district wireless coverage performance test, to improve the efficient of sub-district wireless coverage performance test.
In order to solve the problems of the technologies described above, the invention provides the method for a kind of sub-district wireless coverage performance test, comprising:
After the terminal is attached to the universal land radio access web of evolution through the sub-district, trigger the loopback test flow process, construct up loopback test packet and send to the base station;
Said base station receives up loopback test packet and resolves, and the group bag is to send to said terminal behind the descending loopback test packet again;
Said terminal is according to receiving all descending loopback test packet test cell wireless coverage performances.
Further, said method also has following characteristics: the step of the up loopback test packet of said terminal constructions comprises:
Said terminal constructions IP test packet is filled out the loopback test IP address into said terminal with source IP address;
Said IP test packet is encapsulated as PDCP (PDCP) test packet, and the loopback test sign is set.
Further, said method also has following characteristics: said terminal is provided with the loopback test sign and is specially:
Any reserved field is set to 1 among the PDCP.
Further, said method also has following characteristics: said terminal is specially the step that said IP test packet is encapsulated as the PDCP test packet:
Use the form of the PDCP data protocol data cell of 12 bit sequence number values, said IP test packet is encapsulated as the PDCP test packet.
Further, said method also has following characteristics: said base station receives up loopback test packet and resolves, and the group bag comprises for the step of descending loopback test packet again:
The up loopback test packet of said base station resolves; Have the loopback test sign if detect up loopback test packet; Then the IP test packet that parses is repacked, again this IP test packet is encapsulated as the PDCP test packet, and the loopback test sign is set.
Further, said method also has following characteristics: the step that repack the IP test packet that parses said base station comprises:
The loopback test IP address into said terminal is filled out in purpose IP address, source IP address is filled out the loopback test IP address into said base station.
Further, said method also has following characteristics: the step that the loopback test flow process is triggered at said terminal comprises:
Said terminal starts loopback test after receiving the instruction that the user operates the loopback test menu; The wireless private that initiation is set up between said terminal and the said base station is carried; And the quality of service class sign of test service is set, said loopback test menu comprises the multiple business test item.
Further, said method also has following characteristics: said terminal basis receives after the step of descending loopback test packet test cell wireless coverage performance, also comprise,
Said terminal is presented at test result on the interface, perhaps test result is saved as the test log file, perhaps will test knot circle report network side.
In order to address the above problem, the present invention also provides a kind of terminal, comprising:
Trigger module after being used for being attached to the universal land radio access web of evolution through the sub-district, triggers the loopback test flow process;
Constructing module is used to construct up loopback test packet and sends to the base station;
Test module is used for according to receiving all descending loopback test packet test cell wireless coverage performances of returning said base station.
Further, above-mentioned terminal also has following characteristics: said constructing module comprises:
Structural unit is used to construct the IP test packet, and source IP address is filled out the loopback test IP address into said terminal;
Encapsulation unit is used for said IP test packet is encapsulated as PDCP (PDCP) test packet, and the loopback test sign is set.
Further; Above-mentioned terminal also has following characteristics: said encapsulation unit; Specifically be used to use the form of the PDCP data protocol data cell of 12 bit sequence number values, said IP test packet is encapsulated as the PDCP test packet, any reserved field is set to 1 among the said PDCP.
Further, above-mentioned terminal also has following characteristics: said trigger module comprises:
Start unit starts loopback test after being used to receive the instruction that the user operates the loopback test menu, and wherein, said loopback test menu comprises the multiple business test item;
Set up the unit, be used for after said start unit starts loopback test, the wireless private of initiating to set up between said terminal and the said base station is carried, and the quality of service class sign of test service is set.
Further, above-mentioned terminal also has following characteristics: also be used for after the said test module, test cell wireless coverage performance, test result is presented on the interface, perhaps test result is saved as the test log file, perhaps will test knot circle report network side.
In order to address the above problem, the present invention also provides a kind of base station, comprising:
Parsing module after being used to receive the loopback test packet that sends at the terminal, parses the IP test packet;
Packetization module after being used for said IP test packet repacked, is exported to package module;
Said package module is used for the IP test packet of said packetization module output is encapsulated as the PDCP test packet, and the loopback test sign is set.
Further; Above-mentioned base station also has following characteristics: said packetization module; Said IP test packet repacked specifically be embodied as: the loopback test IP address into said terminal is filled out in purpose IP address, source IP address is filled out the loopback test IP address into said base station.
In order to address the above problem, the present invention also provides a kind of system of test cell wireless coverage performance, comprises above-mentioned terminal and above-mentioned base station.
To sum up, the present invention provides method and system, terminal, the base station of a kind of sub-district wireless coverage performance test, need not take any Internet resources of core net, and is simple efficient, can greatly improve the efficient of sub-district wireless coverage performance measurement.
Description of drawings
Fig. 1 is the E-UTRAN network architecture diagram;
Fig. 2 is the sketch map of the system of test cell wireless coverage performance of the present invention;
Fig. 3 is the flow chart of the method for a kind of sub-district wireless coverage performance test of the present invention;
Fig. 4 is the sketch map that passes through UE and eNB test cell wireless coverage performance of one embodiment of the invention;
Fig. 5 is a networking graph of a relation between UE and the eNB of the embodiment of the invention;
Fig. 6 is the flow chart of method of the sub-district wireless coverage performance test of the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
Fig. 2 is the sketch map of the system of test cell wireless coverage performance of the present invention, and is as shown in Figure 2, and the system of present embodiment comprises: UE and eNB, wherein,
UE after being used for being attached to the universal land radio access web of evolution through the sub-district, triggers the loopback test flow process, constructs up loopback test packet and sends to eNB; Be used for according to receiving all descending loopback test packet test cell wireless coverage performances that eNB sends;
ENB is used to receive up loopback test packet and resolves, and the group bag is to send to said UE behind the descending loopback test packet again.
In the present embodiment, said UE can comprise following module:
Trigger module after being used for being attached to E-UTRAN through the sub-district, triggers the loopback test flow process;
Constructing module is used to construct up loopback test packet and sends to eNB;
Test module is used for according to receiving all descending loopback test packet test cell wireless coverage performances that said eNB returns.
Wherein, said constructing module can comprise lower unit:
Structural unit is used to construct the IP test packet, and source IP address is filled out the loopback test IP address into said terminal;
Encapsulation unit is used for promptly being encapsulated as the PDCP test packet through the said IP test packet of PDCP (Packet Data Convergence Protocol, PDCP) encapsulation, and the loopback test sign is set.
Wherein, Said encapsulation unit specifically is used for; Use the form of the PDCP DATA PDU (protocol Data Unit) of 12 (bit) sequence numbers (SN) value, said IP test packet is encapsulated as the PDCP test packet, any reserved field is set to 1 among the PDCP.
In a preferred embodiment, said trigger module can comprise:
Start unit starts loopback test after being used to receive the instruction that the user operates the loopback test menu, and wherein, said loopback test menu comprises the multiple business test item;
Set up the unit, be used for after said start unit starts loopback test, the wireless private of initiating to set up between said terminal and the said base station is carried, and the quality of service class sign of test service is set.
In a preferred embodiment, also be used for after the said test module test cell wireless coverage performance, test result is presented on the interface, perhaps test result is saved as the test log file, perhaps will test knot circle report network side.
In the present embodiment, said eNB can comprise following module:
Parsing module after being used to receive the loopback test packet that sends at the terminal, parses the IP test packet;
Packetization module after being used for said IP test packet repacked, is exported to package module;
Said package module is used for the IP test packet of said packetization module output is encapsulated as the PDCP test packet, and the loopback test sign is set.
Wherein, said packetization module is repacked specifically said IP test packet and is embodied as: the loopback test IP address into said terminal is filled out in purpose IP address, source IP address is filled out the loopback test IP address into said base station.
Fig. 3 is the flow chart of the method for a kind of sub-district wireless coverage performance test of the present invention, and is as shown in the figure, and this method comprises following step:
After S10, UE are attached to the universal land radio access web of evolution through the sub-district, trigger the loopback test flow process, construct up loopback test packet and send to eNB;
S20, said eNB receive up loopback test packet and resolve, and the group bag is to send to said UE behind the descending loopback test packet again;
S30, said UE are according to receiving all descending loopback test packet test cell wireless coverage performances.
Through method of the present invention, need not take any Internet resources of core net, simply efficiently, can greatly improve the efficient of sub-district wireless coverage performance measurement.
Fig. 4 is the sketch map that passes through UE and eNB test cell wireless coverage performance of one embodiment of the invention; As shown in Figure 4, after UE and eNB connect, utilize the reserved field among the existing PDCP; Any one with this reserved field is defined as the loopback test sign; And then in UE and eNB software, increase the loopback test module respectively, increase the loopback test menu in the UE interface, such as:
VoIP tone testing: include but not limited to that G.729 speech coding technology G.711, G.723, G.726, wait.
Video traffic test: include but not limited to that the video image compression coding international standard H.261, H.263; With MPEG-2, MPEG-4; Wherein, MPEG is that Moving Pictures Experts Group/Motin Pictures Experts Group is a dynamic image expert group.
IP data service test: include but not limited to upload download.
Other kinds QoS (Quality of Service, service quality) operational trials etc.
The user initiates to set up the dedicated bearer between UE and the eNB by simulation RB (Radio Bearer, the radio bearer) administration module that the UE side ring returns in the test module after operating UE loopback test menu startup loopback test; After wireless private is carried and is set up; UE is according to not isostructure different Q CI (the Qos Classic Identifier of test service; Qos class sign) and comprise the packet of loopback test IP (127.0.0.1 for example, from the loop-back address section, choose and get final product: 127.0.0.1 below is called loopback test IP to 127.255.255.255); Notify the PDCP layer that the loopback test sign is set then; Promptly in the PDCP data packet head, be provided with the loopback test flag (be in the reserved field among the PDCP, any one be set to 1 all can), and accomplish PDCP and seal the dress packing: can adopt SN (Sequence Number; Sequence number) pack for the form of the PDCP DATA PDU of 12bit (position), the UE side will be constructed the PDCP packet of getting well and sent to eNB through the Uu interface.
The eNB side is resolved band and is returned (the eNB side also needs the PDCP bag of tenaculum loopback test sign to resolve) after the PDCP packet of test sign; IP test packet after resolving is passed to the loopback test module on upper strata; When the IP address in the IP packet that the loopback test module is found to receive is loopback test IP address, just the packet of receiving is returned processing (being about to packet returns to UE).
The UE side just can be carried out computational analysis such as peak throughput, time delay (whether the packet of this moment abandons by the decision of loopback test module) after receiving the packet of eNB passback, so can reach the purpose of wireless performance such as test cell wireless coverage through VoIP voice packet, video packets and the packet that transmission between UE and eNB is simulated.
UE and two kinds of resources of eNB are only used in wireless coverage performance test in sub-district in the method for the present invention; And means of testing is simple, general; The purpose that reaches wireless coverage performance index such as test cell peak throughput and time delay that can be fabulous can solve following problem through the scheme that provides among the present invention:
The test such as wireless coverage, flow, time delay of all sub-districts under the current eNB is provided by network personnel's requirement in real time; Simultaneously for the network optimization provides a kind of simple and practical means of testing, and the further professional time delay (need not to consider EPC) of all kinds of QoS of test wireless side between UE and eNB.
With an instance implementation step among the present invention is described below, the networking graph of a relation in this test scene between UE and eNB is as shown in Figure 5.Dispose 2 CELL (sub-district) under the eNB; Increase the loopback test module in the UE side software; Increase the loopback test item in the UE menu simultaneously; Include but not limited to submenus such as VoIP tone testing, video measurement and data transmit-receive test under the loopback test menu, UE connects through the CELL1 under Uu mouth and the eNB.Fig. 6 is the flow chart of method of the sub-district wireless coverage performance test of the embodiment of the invention, and is as shown in the figure, comprises following step:
Step 401: the UE that band returns test function is attached among the E-UTRAN through the CELL1 under the eNB (supporting the loopback test function).
Step 402:UE structure tone testing packet sends to the base station;
In the present embodiment; Begin VoIP tone testing (also can be test items such as video measurement or data transmit-receive test) through the loopback test item in the UE loopback test menu; Initiate wireless private and carry foundation; And the QCI of speech business is set, and the source IP address of ip voice packet (or voice document) is filled out the loopback test IP address into the terminal, notify PDCP layer loopback test sign to be set to 1 then; Then the loopback test among the PDCP VoP header (head) sign is changed to 1 (be among the PDCP reserved field any one be set to 1 all can), last UE mails to eNB through eating dishes without rice or wine with this tested speech packet.
Step 403:eNB resolves after receiving the tone testing packet, returns to UE behind the group bag again;
ENB receives after the PDCP VoP that has the loopback test sign; Carrying out the PDCP bag resolves; If loopback test ip voice bag is forwarded to upper strata loopback test module with the ip voice packet after resolving, after source IP address is loopback test IP in the IP bag that the loopback test module is found to receive; The ip voice packet of receiving is repacked, and purpose/source IP address is filled out the loopback test IP of UE/ eNB respectively.Equally, when the PDCP protocol layer is packed among the eNB sign of the loopback test among the PDCP VoP header is changed to 1, this VoP is postbacked to UE through eating dishes without rice or wine.
Step 404:UE receives after the loopback test VoP that eNB beams back, carries out analyzing and processing;
UE is unpacked by the PDCP/IP layer successively; By the loopback test module speech data is analyzed then that (VoP is to be dropped afterwards; Still proceed to postback test; And whether need discharge RB dedicated bearer etc., and decide according to practical application by the loopback test module), obtain sub-district wireless performance parameter such as voice data transmission time delay under the CELL1 thus; Test result can be preserved flexibly, can be directly on the UE interface, shows, saves as test log file or report network side and handle and all can.
Through above several steps, just accomplished the UE of one whole and the loopback test between eNB to be measured, and this process does not take any Internet resources of core net; Simple efficient; Can greatly improve the efficient of performance measurements such as sub-district wireless coverage, specifically, have the following advantages:
1, do not need core net to participate in fully, reduce offered load;
2, convenient test improves the test effect.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said program can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
More than be merely the preferred embodiments of the present invention; Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (16)
1. the method for a sub-district wireless coverage performance test comprises:
After the terminal is attached to the universal land radio access web of evolution through the sub-district, trigger the loopback test flow process, construct up loopback test packet and send to the base station;
Said base station receives up loopback test packet and resolves, and the group bag is to send to said terminal behind the descending loopback test packet again;
Said terminal is according to receiving all descending loopback test packet test cell wireless coverage performances.
2. the method for claim 1, it is characterized in that: the step of the up loopback test packet of said terminal constructions comprises:
Said terminal constructions IP test packet is filled out the loopback test IP address into said terminal with source IP address;
Said IP test packet is encapsulated as PDCP (PDCP) test packet, and the loopback test sign is set.
3. method as claimed in claim 2 is characterized in that: said terminal is provided with the loopback test sign and is specially:
Any reserved field is set to 1 among the PDCP.
4. method as claimed in claim 2 is characterized in that: said terminal is specially the step that said IP test packet is encapsulated as the PDCP test packet:
Use the form of the PDCP data protocol data cell of 12 bit sequence number values, said IP test packet is encapsulated as the PDCP test packet.
5. like each described method of claim 2-4, it is characterized in that: said base station receives up loopback test packet and resolves, and the group bag comprises for the step of descending loopback test packet again:
The up loopback test packet of said base station resolves; Have the loopback test sign if detect up loopback test packet; Then the IP test packet that parses is repacked, again this IP test packet is encapsulated as the PDCP test packet, and the loopback test sign is set.
6. method as claimed in claim 5 is characterized in that: the step that repack the IP test packet that parses said base station comprises:
The loopback test IP address into said terminal is filled out in purpose IP address, source IP address is filled out the loopback test IP address into said base station.
7. the method for claim 1 is characterized in that: the step that the loopback test flow process is triggered at said terminal comprises:
Said terminal starts loopback test after receiving the instruction that the user operates the loopback test menu; The wireless private that initiation is set up between said terminal and the said base station is carried; And the quality of service class sign of test service is set, said loopback test menu comprises the multiple business test item.
8. like each described method among the claim 1-4,6,7, it is characterized in that: said terminal basis receives after the step of descending loopback test packet test cell wireless coverage performance, also comprise,
Said terminal is presented at test result on the interface, perhaps test result is saved as the test log file, perhaps will test knot circle report network side.
9. terminal comprises:
Trigger module after being used for being attached to the universal land radio access web of evolution through the sub-district, triggers the loopback test flow process;
Constructing module is used to construct up loopback test packet and sends to the base station;
Test module is used for according to receiving all descending loopback test packet test cell wireless coverage performances of returning said base station.
10. terminal as claimed in claim 9 is characterized in that, said constructing module comprises:
Structural unit is used to construct the IP test packet, and source IP address is filled out the loopback test IP address into said terminal;
Encapsulation unit is used for said IP test packet is encapsulated as PDCP (PDCP) test packet, and the loopback test sign is set.
11. terminal as claimed in claim 10 is characterized in that,
Said encapsulation unit specifically is used to use the form of the PDCP data protocol data cell of 12 bit sequence number values, and said IP test packet is encapsulated as the PDCP test packet, and any reserved field is set to 1 among the said PDCP.
12. terminal as claimed in claim 9 is characterized in that, said trigger module comprises:
Start unit starts loopback test after being used to receive the instruction that the user operates the loopback test menu, and wherein, said loopback test menu comprises the multiple business test item;
Set up the unit, be used for after said start unit starts loopback test, the wireless private of initiating to set up between said terminal and the said base station is carried, and the quality of service class sign of test service is set.
13. like each described terminal of claim 9-12, it is characterized in that,
Also be used for after the said test module, test cell wireless coverage performance, test result is presented on the interface, perhaps test result is saved as the test log file, perhaps will test knot circle report network side.
14. a base station comprises:
Parsing module after being used to receive the loopback test packet that sends at the terminal, parses the IP test packet;
Packetization module after being used for said IP test packet repacked, is exported to package module;
Said package module is used for the IP test packet of said packetization module output is encapsulated as the PDCP test packet, and the loopback test sign is set.
15. base station as claimed in claim 14 is characterized in that,
Said packetization module is repacked specifically said IP test packet and to be embodied as: the loopback test IP address into said terminal filled out in purpose IP address, source IP address is filled out the loopback test IP address into said base station.
16. the system of a test cell wireless coverage performance comprises: each described terminal of claim 9-13 and claim 14 or 15 described base stations.
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| CN107786993A (en) * | 2016-08-26 | 2018-03-09 | 深圳市中兴微电子技术有限公司 | A kind of signal testing method and device |
| RU2710211C1 (en) * | 2016-08-26 | 2019-12-25 | Сейнчипс Текнолоджи Ко., Лтд. | Method and apparatus for checking signals, as well as a computer data medium |
| CN107786993B (en) * | 2016-08-26 | 2021-10-01 | 深圳市中兴微电子技术有限公司 | Signal testing method and device |
| CN107222887A (en) * | 2017-06-19 | 2017-09-29 | 京信通信系统（中国）有限公司 | The communication performance method of testing and device of base station radio side transmission path |
| CN109600787A (en) * | 2018-12-12 | 2019-04-09 | 京信通信系统（中国）有限公司 | Base station is eated dishes without rice or wine throughput performance test method, device and system |
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