CN105530654A - Ad hoc network communication device testing method and system - Google Patents
Ad hoc network communication device testing method and system Download PDFInfo
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- CN105530654A CN105530654A CN201510984654.7A CN201510984654A CN105530654A CN 105530654 A CN105530654 A CN 105530654A CN 201510984654 A CN201510984654 A CN 201510984654A CN 105530654 A CN105530654 A CN 105530654A
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Abstract
The invention discloses an ad hoc network communication device testing method and an ad hoc network communication device testing system; the testing system comprises a base ad hoc network communication device, a wireless communication environment simulation device, a PC (Personal Computer) machine and a test interface device; and an ad hoc network simulation test environment is included in the PC machine. According to the ad hoc network communication device testing method and the ad hoc network communication device testing system disclosed by the invention, a software-hardware coordinated testing idea is adopted; through connecting the base ad hoc network communication device for supporting hardware reprogramming and the ad hoc network simulation test environment for supporting protocol reassembling together via the test interface device, the ad hoc network communication device testing system capable of being reconstructed flexibly is constructed; the testing system can realize multiple test scenes such as link test, network test, end-to-end test and the like, and carries out scalability test on a hardware device and an ad hoc network protocol stack software for wireless communication in the ad hoc network communication device; compared with the prior art, the difficulties of node deployment and system management are greatly reduced, thereby reducing the test difficulty to the ad hoc network communication device.
Description
Technical field
The present invention relates to self-organized network communication testing of equipment technical field, in particular, relate to a kind of self-organized network communication apparatus testing method and system.
Background technology
Wireless self-networking is a kind of wireless Ad Hoc multihop network not relying on any static infrastructure, it has the self-organizing feature of good mobility, survivability and flexibility, has broad application prospects in fields such as emergency relief, meeting affairs communication and Military Application.
Object test bed technique is mainly adopted to the test of self-organized network communication equipment.Object test bed technique constructs true test environment same or analogous with ad hoc network running environment in laboratory environments, goes by the network behavior under research true test environment the live network behavior assessing MANET.Object test bed adopts real network node, runs real procotol, tests under real physical environment, can well reappear as wireless self-networking features such as conflict, competitions.
Object test bed technique is a kind of method of testing that self-organized network communication testing of equipment confidence level is the highest, but also there are some defects simultaneously.The wireless communication technology adopted due to the self-organized network communication equipment in different application field and MANET agreement different, can not interconnect between the communication network of these mutual isomeries, in object test bed technique test envelope build and with all-real object equipment for network node, therefore, the node deployment of object test bed and coordinated management difficulty, to self-organized network communication testing of equipment to realize difficulty larger.
Summary of the invention
In view of this, the invention provides a kind of self-organized network communication apparatus testing method and system, cause realizing the large problem of difficulty to self-organized network communication testing of equipment because of node deployment and coordinated management difficulty to solve.
A kind of self-organized network communication device test system, comprising: benchmark self-organized network communication equipment, wireless communications environment analog machine, PC and test interface device;
Described benchmark self-organized network communication equipment is by described test interface device and self-organized network communication equipment connection to be measured, described benchmark self-organized network communication equipment is used for carrying out radio communication with described self-organized network communication equipment to be measured, and reconstructs the communication waveforms of described self-organized network communication equipment to be measured;
Described wireless communications environment analog machine respectively with described benchmark self-organized network communication equipment and described self-organized network communication equipment connection to be measured, described wireless communications environment analog machine is used for for described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured provide wireless channel and the wireless communications environment analog signal of simulation;
Described PC by described test interface device respectively with described benchmark self-organized network communication equipment, described self-organized network communication equipment connection to be measured, described PC includes MANET simulation test environment, the networking performance test that described PC is described self-organized network communication equipment to be measured by described MANET simulation test environment provides network environment, and by employing node virtual technology for described self-organized network communication equipment to be measured provides telescopic network size control technology, wherein, described MANET simulation test environment comprises self-organized network communication model, node motion model, node traffic model and proxy module in kind,
Protocol conversion between the packet in kind that test interface device sends for the virtual data bag that realizes described PC and send and described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured.
Preferably, described benchmark self-organized network communication equipment comprises: radio-frequency (RF) device, intermediate frequency processor, baseband chip, data processor and main control module; Wherein, described main control module includes software communications architecture development environment, and can carry out waveform customization and Waveform Reconstructing according to the communication waveforms of described self-organized network communication equipment to be measured.
Preferably, described wireless communications environment analog machine comprises:
Respectively with the wireless channel simulation equipment of described benchmark self-organized network communication equipment and described self-organized network communication equipment connection to be measured, for the communicating requirement configurating channel parameter according to described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured, with characteristics of radio channels that is virtually reality like reality;
With the communication interference signals analog machine of described wireless channel simulation equipment connection, for generating interference signal according to the signal time domain received and signal frequency domain;
With the communication environment background signal analog machine of described wireless channel simulation equipment connection, for in interior field trial for communication and communication countermeasures equipment provide the electromagnetic signal environment of broadband, high density and Suresh Kumar, can the function of Data-Link waveform under electromagnetic environment and performance be verified and be tested.
Preferably, described benchmark self-organized network communication equipment is connected with described test interface device by the first interface equipment in kind.
Preferably, described self-organized network communication equipment to be measured is connected with described test interface device by the second interface equipment in kind.
A kind of self-organized network communication apparatus testing method, be applied to the test macro of self-organized network communication equipment, described method of testing comprises:
The communication waveforms of benchmark self-organized network communication equipment is adjusted to the waveform identical with the present communications waveform of self-organized network communication equipment to be measured;
Described benchmark self-organized network communication equipment is connected by radiofrequency signal with described self-organized network communication equipment to be measured, carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and link test is carried out to described self-organized network communication equipment to be measured;
Call the self-organized network communication model in PC, self-organized network communication agreement is adjusted to the agreement identical with the current MANET agreement of described self-organized network communication equipment to be measured, call the node motion model in described PC and node traffic model simultaneously, build MANET simulation test environment;
Described MANET simulation test environment is utilized to carry out networking test to described self-organized network communication equipment to be measured;
The described radiofrequency signal connecting described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured is disconnected;
Described benchmark self-organized network communication equipment is carried out network with described self-organized network communication equipment to be measured by the described MANET simulation test environment built in described PC be connected;
Control the equipment as transmitting terminal in described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured, according to preset requirement, start continuously or the transfer of data of demblee form;
Control the equipment as receiving terminal in described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured, receive the data of described transmitting terminal transmission, and carry out end to end performance statistics according to the described data received;
In described MANET simulation test environment, carry out different performance test end to end by changing different network environment parameters.
Preferably, described benchmark self-organized network communication equipment is connected by radiofrequency signal with described self-organized network communication equipment to be measured, carry out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and link test carried out to described self-organized network communication equipment to be measured, comprising:
When described benchmark self-organized network communication equipment is directly connected by RF cable with described self-organized network communication equipment to be measured, carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and direct connected link test is carried out to described self-organized network communication equipment to be measured;
When described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured by wireless channel simulation equipment carry out radiofrequency signal be connected time, carry out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and channel simulation testing carried out to described self-organized network communication equipment to be measured;
When described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured by described wireless channel simulation equipment carry out radiofrequency signal be connected time, if described wireless channel simulation equipment is connected with communication interference signals analog machine, then carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and interfering link test is carried out to described self-organized network communication equipment to be measured;
When described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured by described wireless channel simulation equipment carry out radiofrequency signal be connected time, if described wireless channel simulation equipment is connected with communication environment background signal analog machine and described communication interference signals analog machine respectively, then carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and radio communication analog environmental testing is carried out to described self-organized network communication equipment to be measured.
Preferably, utilize described MANET simulation test environment to carry out networking test to described self-organized network communication equipment to be measured, comprising:
According to default planning requirement, networking planning is carried out to the network size of described MANET simulation test environment, and pre-define the mapping node corresponding with described benchmark self-organized network communication equipment in described networking planning;
In described MANET simulation test environment, according to testing requirement, the protocol stack of each dummy node, business model and mobility model are defined, and corresponding configuration is carried out to the protocol stack of mapping node;
Carry out carrying out parameter configuration according to described testing requirement to the proxy module of described mapping node;
Run MANET simulation test program;
After MANET runs preset time period, the performance index of described self-organized network communication equipment to be measured are tested.
As can be seen from above-mentioned technical scheme, the invention provides a kind of self-organized network communication apparatus testing method and system, test macro comprises: benchmark self-organized network communication equipment, wireless communications environment analog machine, PC and test interface device, includes MANET simulation test environment in PC.The present invention adopts software-hardware co-measuring thought, linked together by the MANET simulation test environment of test interface device by the benchmark self-organized network communication equipment of support hardware reprogrammed and supported protocol restructuring, construct a kind of test macro of the self-organized network communication equipment that can reconstruct flexibly.This test macro can realize the multiple test scenes such as link test, networking test and end-to-end test, scalability test is carried out to the hardware device and MANET protocol stack sofeware that carry out radio communication in self-organized network communication equipment, compared to existing technologies, greatly reduce the difficulty of node deployment and system management, thus reduce the difficulty of test to self-organized network communication equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of Fig. 1 a kind of self-organized network communication device test system disclosed in the embodiment of the present invention;
The structural representation of Fig. 2 another kind of self-organized network communication device test system disclosed in the embodiment of the present invention;
The method flow diagram of Fig. 3 a kind of self-organized network communication apparatus testing method disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of method of testing and system of self-organized network communication equipment, cause realizing the large problem of difficulty to self-organized network communication testing of equipment because of node deployment and coordinated management difficulty to solve.
Self-organized network communication equipment to be measured is carried out function division according to the mode of wireless transmission, wireless receiving and relay forwarding by the present invention, each functional unit in self-organized network communication device test system is adopted to carry out contraposition simulation to these functions, and these functional units are carried out contraposition with self-organized network communication equipment to be measured be connected and software-hardware co-measuring, thus complete link test to self-organized network communication equipment to be measured, networking test and end-to-end test.
Concrete scheme is as follows:
See Fig. 1, the structural representation of a kind of self-organized network communication device test system that the embodiment of the present invention provides, test macro comprises:
Benchmark self-organized network communication equipment 11, wireless communications environment analog machine 12, PC (PersonalComputer, computer) machine 13 and test interface device 14;
Wherein:
Benchmark self-organized network communication equipment 11 is connected with self-organized network communication equipment 15 to be measured by test interface device 14, benchmark self-organized network communication equipment 11 for carrying out radio communication with self-organized network communication equipment 15 to be measured, and reconstructs the communication waveforms of self-organized network communication equipment 15 to be measured.
Wireless communications environment analog machine 12 is connected with benchmark self-organized network communication equipment 11, self-organized network communication equipment 15 to be measured respectively, and wireless communications environment analog machine 12 is for providing wireless channel and the wireless communications environment analog signal of simulation for benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured.
PC 13 is connected with benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured respectively by test interface device 14, PC 13 includes MANET simulation test environment, the networking performance test that PC 13 is self-organized network communication equipment 15 to be measured by MANET simulation test environment provides network environment, and by employing node virtual technology for self-organized network communication equipment 15 to be measured provides telescopic network size control technology.
It should be noted that, MANET simulation test environment adopts based on open network simulation development environment, and there is the complete wireless self-networking communications network functionality of structure, thus provide network environment support for the networking performance test of self-organized network communication equipment 15 to be measured, provide telescopic network size control technology by adopting node virtual technology for self-organized network communication equipment 15 to be measured.
Node virtual technology refers to that the most of node in MANET test environment adopts the virtual model in network simulation environment to realize.
Wherein, described MANET simulation test environment comprises self-organized network communication model, node motion model, node traffic model and proxy module in kind.
Concrete, (1) self-organized network communication model is used for carrying out modeling to the MANET agreement of self-organized network communication equipment 15 to be measured, tests the relay forwarding function of self-organized network communication equipment 15 to be measured and verifies.
Conventional MANET agreement comprises: link layer multiple access protocol and network layer Routing Protocol.
Link layer multiple access protocol comprises: carrier sense multiple access/conflict avoidance (CarrierSensingMulti-Access/CollisionAvoidance, CSMA/CA), enhanced time division multiple access (EnhancedTimeDivisionMulti-Access, E-TDMA), five steps reserved (Five-PhaseReservationProtocol, FPRP) etc.
Network layer Routing Protocol comprises: self network organized and distance vector route (AdhocOn-demandDistanceVector, AODV), DSR (DynamicSourceRouting, DSR), optimized link state route (OptimizedLinkStateRouting, OLSR) etc.
(2) node motion model is for describing the motion mode of mobile node in MANET simulation test environment, the characteristic such as speed, position, acceleration, direction of such as node.Node motion model is the basis of MANET agreement and application and development in MANET, and node motion causes topological frequent variations that the grouping situation on information, routing condition and service quality are produced great impact.
Conventional node motion model comprises random waypoint mobility model (randomwaypointmobilitymodel, RWP), random walk mobility model (randomwalkmobilitymodel, RW), the random mobility model of correlation of indices (exponentialcorrelatedrandommobilitymodel), nomadic group mobility model (nomadiccommunitymobilitymodel) etc.
(3) node traffic model is used for describing the service distribution of terminal node in MANET simulation test environment, and the application of multiple Ad hoc network terminal constitutes the background traffic in MANET simulation test environment.
Conventional node traffic model comprises ON-OFF model, Poisson (Poisson) business model, self similarity (Self-Similar) business model etc.
It should be noted that, typical MANET simulation test environment comprises self-organized network communication model, node motion model and node traffic model.But, for providing the external interface of network analog test environment and terminal node in kind, in MANET simulation test environment, also comprise proxy module in kind.
(4) proxy module in kind is for representing the virtual mapping of terminal equipment in kind, terminal equipment in kind is mapping to node corresponding in MANET simulation test environment.This node is as the agency of terminal equipment in kind, can and other dummy node in MANET between directly carry out communicating or trunking traffic, and the virtual data bag in MANET simulation test environment can be converted to real wireless data packet and send to terminal equipment in kind, thus carry out real transfer of data.
Wherein, terminal equipment in kind comprises: benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured.
Be understandable that, due to the difference of Data Transport Protocol, terminal equipment in kind can not directly communicate with MANET simulation test environment, and therefore connection therebetween must be connected by test interface device 14.
Protocol conversion between the packet in kind that test interface device 14 sends for the virtual data bag that realizes PC 13 and send and benchmark self-organized network communication equipment 11 and self-organized network communication equipment to be measured 15.
The function of test interface device 14 specifically comprises receives data packets processing capacity, Packet Generation processing capacity, protocol conversion function and time synchronizing function.
In summary it can be seen, self-organized network communication device test system provided by the invention, adopt software-hardware co-measuring thought, linked together by the MANET simulation test environment of test interface device 14 by the benchmark self-organized network communication equipment 11 of support hardware reprogrammed and supported protocol restructuring, construct a kind of test macro of the self-organized network communication equipment that can reconstruct flexibly.This test macro can realize the multiple test scenes such as link test, networking test and end-to-end test, scalability test is carried out to the hardware device and MANET protocol stack sofeware that carry out radio communication in self-organized network communication equipment, compared to existing technologies, greatly reduce the difficulty of node deployment and system management, thus reduce the difficulty of test to self-organized network communication equipment.
Further, the self-organized network communication device test system support hardware reprogrammed provided is provided, therefore there is open restructural feature; The support of network test back-up environment customizes agreement and extendible external interface assembly, therefore also has open easily extensible feature.
It should be noted that, benchmark self-organized network communication equipment 11 is supported to redefine the wireless transmission of self-organized network communication equipment 15 to be measured and the dynamic programming of wireless receiving functional module and node.
The hardware formation of benchmark self-organized network communication equipment 11 comprises radio-frequency (RF) device, intermediate frequency processor, baseband chip, data processor, and these hardware is used for transmission and the reception of radio communication.
The software of benchmark self-organized network communication equipment 11 is positioned at main control module, main control module includes software communications architecture (SoftwareCommunicationArchitecture, SCA) development environment, and waveform customization and Waveform Reconstructing can be carried out according to the communication waveforms of self-organized network communication equipment 15 to be measured.
Wherein, main control module also supports that the link of process of receiving and dispatching between benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured controls.
For optimizing above-described embodiment further, benchmark self-organized network communication equipment 11 also comprises: host computer, and this host computer is used for binding waveform parameter and managing.
It should be noted that, benchmark self-organized network communication equipment 11 is connected with test interface device 14 by the first interface equipment 16 in kind, self-organized network communication equipment 15 to be measured is connected with test interface device 14 by the second interface equipment 17 in kind, specifically see Fig. 2, the structural representation of a kind of self-organized network communication device test system that another embodiment of the present invention provides.
Typical wireless communications environment analog machine 12 is made up of the wireless signal analog machine of wireless channel simulation equipment and number of different types, thinks the link test of self-organized network communication equipment 15 to be measured and verifies the wireless channel and the wireless communications environment analog signal that provide simulation.
See Fig. 2, in the present invention, wireless communications environment analog machine 12 comprises: wireless channel simulation equipment 121, communication interference signals analog machine 122 and communication environment background signal analog machine 123;
Wherein:
Wireless channel simulation equipment 121 is connected with benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured respectively, for the communicating requirement configurating channel parameter according to benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured, with characteristics of radio channels that is virtually reality like reality.
Concrete, wireless channel simulation equipment 121 is according to the condition configurating channel parameter such as relative velocity, relative distance, signal frequency, fading type, delay type of transmitting terminal and receiving terminal, and the channel condition of real-time extreme radio signal propagation, the Reality simulation characteristic of channel.
The typical case that cannot build for field testing and repeatably channel circumstance, can be completed in laboratory by wireless channel simulation equipment 121 and build, and may be used for test and the debugging of all kinds of emitting and receiving equipment, thus the dependence that can farthest reduce field testing, significantly reduce expensive field testing expense.
It should be noted that, in reality test, one in optional reference self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured as transmitting terminal, another is as receiving terminal.
Communication interference signals analog machine 122 is connected with described wireless channel simulation equipment 121, and communication interference signals analog machine 122 is for generating interference signal according to the signal time domain received and signal frequency domain.
Concrete, communication interference signals analog machine 122 can generate interference signal targetedly according to Received signal strength time domain, frequency domain feature, and digital RF can be utilized to store (DigitalRadio-FrequencyMemory, DRFM) digitlization storage is carried out in the interface differential technique collection of letters number, by carrying out high-speed sampling to signal, realize the quick reproduction of radio frequency and microwave signal.
Communication interference signals analog machine 122 can the communication of analogue data chain may run into typical case interference, as pressing type and Deceiving interference waveform, and by arranging and change conflicting mode and type, the checking to self-organized network communication equipment 15 antijamming capability to be measured can be completed.
Communication environment background signal analog machine 123 is connected with described wireless channel simulation equipment 121, communication environment background signal analog machine 123 in interior field trial for communication and communication countermeasures equipment provide the electromagnetic signal environment of broadband, high density and Suresh Kumar, can the function of Data-Link waveform under electromagnetic environment and performance be verified and be tested.
Concrete, communication environment background signal analog machine 123 can for communication and communication countermeasures equipment provide the electromagnetic signal environment of broadband, high density, Suresh Kumar in the test of inside and outside field, can the function of Data-Link waveform under complex electromagnetic environment and performance be verified and be tested, to realize in laboratory environments to the reproduction of actual communication background signal environment.
Communication environment background signal analog machine 123 can provide multiple typical data chain communication signal waveforms (such as Link4A/11/16/22, CDL/TCDL etc.), and can simulate other all purpose communication signal waveforms (such as FM, AM, QPSK, OFDM, frequency hopping, spread spectrum etc.), meanwhile, can also custom background signal waveform storehouse.
Corresponding with said system embodiment, present invention also offers a kind of self-organized network communication apparatus testing method.
See Fig. 3, the method flow diagram of a kind of self-organized network communication apparatus testing method that the embodiment of the present invention provides, this method of testing is applied to above-mentioned shown self-organized network communication device test system, and the method comprising the steps of:
Step S11, the communication waveforms of benchmark self-organized network communication equipment 11 is adjusted to the waveform identical with the present communications waveform of self-organized network communication equipment 15 to be measured;
Benchmark self-organized network communication equipment 11, by software communications architecture development environment, carries out homotype design and implimentation to the present communications waveform of self-organized network communication equipment 15 to be measured, and can carry out link control to self-organized network communication equipment 15 to be measured.
Bookbinding and the management of waveform parameter are performed by host computer.
Wherein, the content of communication waveforms design comprises: other wave shape content of encoding and decoding algorithm design, synchronized algorithm design, modulation /demodulation Mechanism Design, digital frequency conversion algorithm design and self-organized network communication equipment 15 to be measured designs.The corresponding communication of algorithms realizes can with reference to the Waveform Design file of self-organized network communication equipment 15 to be measured.
By the communication waveforms of benchmark self-organized network communication equipment 11 is adjusted to the waveform identical with the present communications waveform of self-organized network communication equipment 15 to be measured, benchmark self-organized network communication equipment 11 can be made to have the radio communication function identical with self-organized network communication equipment 15 to be measured, namely with frequency homotype transmission-receiving function.
Step S12, benchmark self-organized network communication equipment 11 to be connected by radiofrequency signal with self-organized network communication equipment 15 to be measured, to carry out information interaction by benchmark self-organized network communication equipment 11 and self-organized network communication equipment to be measured 15 and link test is carried out to self-organized network communication equipment 15 to be measured;
Benchmark self-organized network communication equipment 11 and the connected mode of self-organized network communication equipment 15 to be measured can be directly be connected by radio frequency interface, or the radiofrequency signal of benchmark self-organized network communication equipment 11 with self-organized network communication equipment 15 to be measured are connected by wireless channel simulation equipment 121.
Step S13, the self-organized network communication model called in PC 13, self-organized network communication agreement is adjusted to the agreement identical with the current MANET agreement of self-organized network communication equipment 15 to be measured, call the node motion model in PC 13 and node traffic model simultaneously, build MANET simulation test environment;
The content of MANET Protocol Design comprises: dummy node physical layer protocol, MANET access control protocol, MANET dynamic routing protocol, and other particular protocol of self-organized network communication equipment 15 to be measured.Corresponding communication protocol realizes can with reference to the Networking Design file of self-organized network communication equipment 15 to be measured.
After self-organized network communication agreement being adjusted to the agreement identical with the current MANET agreement of self-organized network communication equipment 15 to be measured, the realization trunking traffic function same with self-organized network communication equipment 15 to be measured and ad hoc network topology are planned by MANET simulation test environment.
It should be noted that, for making can to communicate between MANET simulation test environment with self-organized network communication equipment 15 to be measured, to realize software-hardware co-measuring, also needing to carry out software simulating to test interface device 14.
Step S14, described MANET simulation test environment is utilized to carry out networking test to self-organized network communication equipment 15 to be measured;
Step S15, to disconnect connecting the described radiofrequency signal of benchmark self-organized network communication equipment 11 with self-organized network communication equipment 15 to be measured;
Step S16, benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured are carried out network by the described MANET simulation test environment built in PC 13 be connected;
As the equipment of transmitting terminal in step S17, control benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured, according to preset requirement, start continuously or the transfer of data of demblee form;
As the equipment of receiving terminal in step S18, control benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured, receive the data of described transmitting terminal transmission, and carry out end to end performance statistics according to the described data received;
Step S19, in described MANET simulation test environment, by change different network environment parameters carry out end to end different performance test.
In summary it can be seen, self-organized network communication apparatus testing method provided by the invention, adopt software-hardware co-measuring thought, linked together by the MANET simulation test environment of test interface device 14 by the benchmark self-organized network communication equipment 11 of support hardware reprogrammed and supported protocol restructuring, construct a kind of test macro of the self-organized network communication equipment that can reconstruct flexibly.This test macro can realize the multiple test scenes such as link test, networking test and end-to-end test, scalability test is carried out to the hardware device and MANET protocol stack sofeware that carry out radio communication in self-organized network communication equipment, compared to existing technologies, greatly reduce the difficulty of node deployment and system management, thus reduce the difficulty of test to self-organized network communication equipment.
It should be noted that, link test comprises: direct connected link test, channel simulation testing, interfering link test and radio communication analog environmental testing.
Therefore, for optimizing above-described embodiment further, the step S12 in above-described embodiment specifically comprises:
(1) when benchmark self-organized network communication equipment 11 is directly connected by RF cable with self-organized network communication equipment 15 to be measured, carry out information interaction by benchmark self-organized network communication equipment 11 and self-organized network communication equipment to be measured 15 and direct connected link test is carried out to self-organized network communication equipment 15 to be measured;
Wherein, benchmark self-organized network communication equipment 11 is reciprocal with the radio transmission-receiving function of self-organized network communication equipment 15 to be measured, therefore, can test the sending function of self-organized network communication equipment 15 to be measured and receiving function.
Sending function and receiving function can adopt the method to conventional wireless communication testing of equipment.
(2) when benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured by wireless channel simulation equipment 121 carry out radiofrequency signal be connected time, carry out information interaction by benchmark self-organized network communication equipment 11 and self-organized network communication equipment to be measured 15 and channel simulation testing carried out to self-organized network communication equipment 15 to be measured;
Wherein, benchmark self-organized network communication equipment 11 is reciprocal with the radio transmission-receiving function of self-organized network communication equipment 15 to be measured, under different channel propagation conditions, can test the sending function of self-organized network communication equipment 15 to be measured and receiving function.
Sending function and receiving function can adopt the method to conventional wireless communication testing of equipment.
(3) when benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured by described wireless channel simulation equipment 121 carry out radiofrequency signal be connected time, if described wireless channel simulation equipment 121 is connected with communication interference signals analog machine 122, then carries out information interaction by benchmark self-organized network communication equipment 11 and self-organized network communication equipment to be measured 15 and interfering link test is carried out to self-organized network communication equipment 15 to be measured;
Wherein, benchmark self-organized network communication equipment 11 is reciprocal with the radio transmission-receiving function of self-organized network communication equipment 15 to be measured, under different signal disturbing conditions, can test the antijamming capability of self-organized network communication equipment 15 to be measured.
(4) when benchmark self-organized network communication equipment 11 and self-organized network communication equipment 15 to be measured by described wireless channel simulation equipment 121 carry out radiofrequency signal be connected time, if described wireless channel simulation equipment 121 is connected with communication environment background signal analog machine 123 and communication interference signals analog machine 122 respectively, then carries out information interaction by benchmark self-organized network communication equipment 11 and self-organized network communication equipment to be measured 15 and radio communication analog environmental testing is carried out to self-organized network communication equipment 15 to be measured.
Wherein, in radio communication analog environmental testing, benchmark self-organized network communication equipment 11 is all connected with wireless channel simulation equipment 121 with self-organized network communication equipment 15 to be measured, wireless channel simulation equipment 121 is connected with communication environment background signal analog machine 123 and communication interference signals analog machine 122 respectively, can analog wireless signals propagate complex electromagnetic environment.By changing the initial conditions of wireless channel simulation equipment 121, communication environment background signal analog machine 123 and communication interference signals analog machine 122, integration test can be carried out to the communication performance of self-organized network communication equipment 15 to be measured.
For optimizing above-described embodiment further, in step S14, the process that self-organized network communication equipment 15 to be measured carries out networking test is comprised:
Step S141, according to default planning requirement, networking planning is carried out to the network size of described MANET simulation test environment, and in described networking planning the pre-defined mapping node corresponding with benchmark self-organized network communication equipment 11;
Step S142, in described MANET simulation test environment, according to testing requirement, the protocol stack of each dummy node, business model and mobility model are defined, and corresponding configuration is carried out to the protocol stack of mapping node;
Step S143, carry out carrying out parameter configuration according to described testing requirement to the proxy module of described mapping node;
Wherein, parameter comprises agent IP address, protocol type etc.
Step S144, operation MANET simulation test program;
Step S145, run after preset time period at MANET, the performance index of described self-organized network communication equipment 15 to be measured are tested.
Self-organized network communication apparatus testing method provided by the invention can realize link test to self-organized network communication equipment 15 to be measured, networking test and end-to-end test, this method of testing has feature of can recombinating flexibly, can the self-organized network communication equipment of adaptive various different development stage.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a self-organized network communication device test system, is characterized in that, comprising: benchmark self-organized network communication equipment, wireless communications environment analog machine, PC and test interface device;
Described benchmark self-organized network communication equipment is by described test interface device and self-organized network communication equipment connection to be measured, described benchmark self-organized network communication equipment is used for carrying out radio communication with described self-organized network communication equipment to be measured, and reconstructs the communication waveforms of described self-organized network communication equipment to be measured;
Described wireless communications environment analog machine respectively with described benchmark self-organized network communication equipment and described self-organized network communication equipment connection to be measured, described wireless communications environment analog machine is used for for described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured provide wireless channel and the wireless communications environment analog signal of simulation;
Described PC by described test interface device respectively with described benchmark self-organized network communication equipment, described self-organized network communication equipment connection to be measured, described PC includes MANET simulation test environment, the networking performance test that described PC is described self-organized network communication equipment to be measured by described MANET simulation test environment provides network environment, and by employing node virtual technology for described self-organized network communication equipment to be measured provides telescopic network size control technology, wherein, described MANET simulation test environment comprises self-organized network communication model, node motion model, node traffic model and proxy module in kind,
Protocol conversion between the packet in kind that test interface device sends for the virtual data bag that realizes described PC and send and described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured.
2. self-organized network communication device test system according to claim 1, is characterized in that, described benchmark self-organized network communication equipment comprises: radio-frequency (RF) device, intermediate frequency processor, baseband chip, data processor and main control module; Wherein, described main control module includes software communications architecture development environment, and can carry out waveform customization and Waveform Reconstructing according to the communication waveforms of described self-organized network communication equipment to be measured.
3. self-organized network communication device test system according to claim 1, is characterized in that, described wireless communications environment analog machine comprises:
Respectively with the wireless channel simulation equipment of described benchmark self-organized network communication equipment and described self-organized network communication equipment connection to be measured, for the communicating requirement configurating channel parameter according to described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured, with characteristics of radio channels that is virtually reality like reality;
With the communication interference signals analog machine of described wireless channel simulation equipment connection, for generating interference signal according to the signal time domain received and signal frequency domain;
With the communication environment background signal analog machine of described wireless channel simulation equipment connection, for in interior field trial for communication and communication countermeasures equipment provide the electromagnetic signal environment of broadband, high density and Suresh Kumar, can the function of Data-Link waveform under electromagnetic environment and performance be verified and be tested.
4. self-organized network communication device test system according to claim 1, is characterized in that, described benchmark self-organized network communication equipment is connected with described test interface device by the first interface equipment in kind.
5. self-organized network communication device test system according to claim 1, is characterized in that, described self-organized network communication equipment to be measured is connected with described test interface device by the second interface equipment in kind.
6. a self-organized network communication apparatus testing method, is characterized in that, is applied to self-organized network communication device test system, and described method of testing comprises:
The communication waveforms of benchmark self-organized network communication equipment is adjusted to the waveform identical with the present communications waveform of self-organized network communication equipment to be measured;
Described benchmark self-organized network communication equipment is connected by radiofrequency signal with described self-organized network communication equipment to be measured, carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and link test is carried out to described self-organized network communication equipment to be measured;
Call the self-organized network communication model in PC, self-organized network communication agreement is adjusted to the agreement identical with the current MANET agreement of described self-organized network communication equipment to be measured, call the node motion model in described PC and node traffic model simultaneously, build MANET simulation test environment;
Described MANET simulation test environment is utilized to carry out networking test to described self-organized network communication equipment to be measured;
The described radiofrequency signal connecting described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured is disconnected;
Described benchmark self-organized network communication equipment is carried out network with described self-organized network communication equipment to be measured by the described MANET simulation test environment built in described PC be connected;
Control the equipment as transmitting terminal in described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured, according to preset requirement, start continuously or the transfer of data of demblee form;
Control the equipment as receiving terminal in described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured, receive the data of described transmitting terminal transmission, and carry out end to end performance statistics according to the described data received;
In described MANET simulation test environment, carry out different performance test end to end by changing different network environment parameters.
7. self-organized network communication apparatus testing method according to claim 6, it is characterized in that, described benchmark self-organized network communication equipment is connected by radiofrequency signal with described self-organized network communication equipment to be measured, carry out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and link test carried out to described self-organized network communication equipment to be measured, comprising:
When described benchmark self-organized network communication equipment is directly connected by RF cable with described self-organized network communication equipment to be measured, carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and direct connected link test is carried out to described self-organized network communication equipment to be measured;
When described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured by wireless channel simulation equipment carry out radiofrequency signal be connected time, carry out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and channel simulation testing carried out to described self-organized network communication equipment to be measured;
When described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured by described wireless channel simulation equipment carry out radiofrequency signal be connected time, if described wireless channel simulation equipment is connected with communication interference signals analog machine, then carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and interfering link test is carried out to described self-organized network communication equipment to be measured;
When described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured by described wireless channel simulation equipment carry out radiofrequency signal be connected time, if described wireless channel simulation equipment is connected with communication environment background signal analog machine and described communication interference signals analog machine respectively, then carries out information interaction by described benchmark self-organized network communication equipment and described self-organized network communication equipment to be measured and radio communication analog environmental testing is carried out to described self-organized network communication equipment to be measured.
8. self-organized network communication apparatus testing method according to claim 6, is characterized in that, utilizes described MANET simulation test environment to carry out networking test to described self-organized network communication equipment to be measured, comprising:
According to default planning requirement, networking planning is carried out to the network size of described MANET simulation test environment, and pre-define the mapping node corresponding with described benchmark self-organized network communication equipment in described networking planning;
In described MANET simulation test environment, according to testing requirement, the protocol stack of each dummy node, business model and mobility model are defined, and corresponding configuration is carried out to the protocol stack of mapping node;
Carry out carrying out parameter configuration according to described testing requirement to the proxy module of described mapping node;
Run MANET simulation test program;
After MANET runs preset time period, the performance index of described self-organized network communication equipment to be measured are tested.
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