CN205545290U - Novel multichannel meteor trail channel simulator - Google Patents
Novel multichannel meteor trail channel simulator Download PDFInfo
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- CN205545290U CN205545290U CN201520885936.7U CN201520885936U CN205545290U CN 205545290 U CN205545290 U CN 205545290U CN 201520885936 U CN201520885936 U CN 201520885936U CN 205545290 U CN205545290 U CN 205545290U
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Abstract
The utility model discloses a novel multichannel meteor trail channel simulator, it is the meteor trail burst communication channel transmission environmental simulation equipment in the communications field. It is by multi -channel switch, power distribution synthesis unit, close transport record of a lorry unit along separate routes, digital control attenuator, a control unit, communication interface unit, the channel switches the interface unit, channel simulation processing unit, memory cell, parts such as power are constituteed, be arranged in establishing ties at each equipment of meteor trail communication system, simulate the influence of actual meteor trail channel to the signal, thereby realize carrying out performance index at laboratory environment to newly developing meteor trail communication equipment, the link performance, test such as networking function inspection. The utility model discloses still have characteristics such as integrated degree is high, small, convenient to use, stable performance.
Description
Technical field
This utility model relates to a kind of meteor trail channel simulator, especially one can be at laboratory environment, realize the novel device newly developing meteoric trail communication equipment and carrying out the test verifications such as performance indications, link performance, networking function, as the dedicated platform of the demands such as the simulation training of meteoric trail communication equipment, performance test.Belong to meteoric trail communication test verification technical field.
Background technology
Meteoric trail communication is a kind of remote beyond-the-horizon communication means, after meteoric trail communication equipment development completes, the test of over-all properties, functional parameter cannot be completed at laboratory environment, particularly networking function, can only be checked by field test, need to look for two testing sites at a distance of thousands of kilometers, carry out many days long run tests and just can complete, consume substantial amounts of human and material resources, financial resources.
Conventional simulator for multi-channel meteor trail channel, though achieving some functions, but still has been short of.As: do not possess channel handoff functionality, it is impossible to the characteristic of channel under the complicated networking mode of simulation, cannot verify meteoric trail communication equipment communication capacity under complicated networking mode yet.The most do not possess simultaneously and the channel incoming level data of field test collection are reappeared the function carrying out real-time analog simulation, meteor trail communication system has the function of real time record channel incoming level, the measured data of field test is the record of a kind of true meteoric trail communication channel, checks the performance of communication system to have more typical meaning this data true reappearance in channel simulator.
Utility model content
The purpose of this utility model is to provide a kind of can realize channel handoff functionality, can simulate the novel multi-channel meteor trail channel simulator of meteor trail channel under complicated networking mode.
Technical solution adopted in the utility model is:
A kind of novel multi-channel meteor trail channel simulator, including: the first to the 5th front end matching attenuation unit 1-1 to 1-5, first to fourth power distribution synthesis unit 3-1 to 3-4, first to fourth branch combiner unit 4-1 to 4-4, the first to the 16th numerical-control attenuator 5-1 to 5-16, the first to the 16th rear end matching attenuation unit 6-1 to 6-16, communications interface unit 8, memory element 11 and power supply 12；It is characterized in that: also include multidiameter option switch 2, control unit 7, channel switching interface unit 9 and channel simulation processing unit 10；
The first described front end matching attenuation unit 1-1 input port is connected with outside main website, and the output port of the first front end matching attenuation unit 1-1 is connected with the input port of multidiameter option switch 2；The input port that the output port of multidiameter option switch 2 distributes synthesis unit 3-1 to 3-4 with first to fourth power respectively is connected；First to fourth power distribution synthesis unit 3-1 to 3-4 is bi-directionally connected with first to fourth branch combiner unit 4-1 to 4-4 one_to_one corresponding；First branch combiner unit 4-1 is bi-directionally connected with first to fourth numerical-control attenuator 5-1 to 5-4 respectively, and the second branch combiner unit 4-2 is bi-directionally connected with the 5th to the 8th numerical-control attenuator 5-5 to 5-8 respectively；3rd branch combiner unit 4-3 is bi-directionally connected with the 9th to the 12nd numerical-control attenuator 5-9 to 5-12 respectively；4th branch combiner unit 4-4 is bi-directionally connected with the 13rd to the 16th numerical-control attenuator 5-13 to 5-16 respectively；First to the 16th numerical-control attenuator 5-1 to 5-16 is bi-directionally connected with the first to the 16th rear end matching attenuation unit 6-1 to 6-16 one_to_one corresponding；
The output port of control unit 7 is connected with the input port of communications interface unit 8, and the output port of communications interface unit 8 is connected with the input port of channel simulation processing unit 10；The input port of channel switching interface unit 9 is connected with external signal port, and the output port of channel switching interface unit 9 is connected with the input port of channel simulation processing unit 10；The output port of channel simulation processing unit 10 input port with multidiameter option switch 2 and the first to the 16th rear end matching attenuation unit 6-1 to 6-16 respectively is connected；Channel simulation processing unit 10 is bi-directionally connected with memory element 11.
Wherein, control unit 7 includes instruction reception unit 13, incoming level data file resolution unit 14 and instruction sending unit 15；The output port of instruction reception unit 13 input port with incoming level data file resolution unit 14 and instruction sending unit 15 respectively is connected；The output port of incoming level data file resolution unit 14 is connected with the input port of instruction sending unit 15；The output port of instruction sending unit 15 is connected with the input port of communications interface unit 8.
Wherein, channel simulation processing unit 10 includes channel switching command resolution unit 16, instruction resolution unit 17, mode selecting unit 18, real-time reproduction mode processor 19, parameter setting mode processor 20, rectangle channel generation unit 21, constant channel generation unit 22, index channel generation unit 23, timer 24 and multiplexer channel controller 25；The output port of channel switching interface unit 9 is connected with the input port of channel switching command resolution unit 16；The output port of channel switching command resolution unit 16 is connected with the input port of multidiameter option switch 2；The output port of communications interface unit 8 is connected with the input port of instruction resolution unit 17, and the output port input port with input port, the input port of real-time reproduction mode processor 19 and the parameter setting mode processor 20 of mode selecting unit 18 respectively of instruction resolution unit 17 is connected；The output port of mode selecting unit 18 is connected with the input port of real-time reproduction mode processor 19 and the input port of parameter setting mode processor 20 respectively；The output port of real-time reproduction mode processor 19 is connected with the input port of multiplexer channel controller 25；The output port of parameter setting mode processor 20 is connected with the input port of multiplexer channel controller 25；The output port of timer 24 input port with input port, parameter setting mode processor 20 and the multiplexer channel controller 25 of real-time reproduction mode processor 19 respectively is connected；The output port of multiplexer channel controller 25 input port with the first to the 16th numerical-control attenuator 5-1 to 5-16 respectively is connected；The output port of rectangle channel generation unit 21, the output port input port with parameter setting mode processor 20 respectively of output port and index channel generation unit 23 of constant channel generation unit 22 are connected.
Wherein, this simulator can simulate the meteor trail channel under complicated networking mode, and a described simulator can simulate a channel when main website and multiple slave station composition radial network；Simulator described in multiple stage can interconnect, for simulating multiple main website and the channel of multiple slave station composition mesh network.
This utility model has the advantage that compared with background technology
1, channel handoff functionality can be realized.Meteor trail communication system master device has 4 passages, can carry out channel switching in real time according to the change of channel, and the present invention compensate for former channel simulator can not test the deficiency of main website channel handoff functionality.
2, the incoming level data file that field test can be utilized to preserve carries out the real-time render analog of meteor trail channel.Meteor trail communication system has the function of real time record channel incoming level, the measured data of field test is the record of a kind of true meteoric trail communication channel, checks the performance of communication system to have more typical meaning this data true reappearance in channel simulator.
3, the meteor trail channel under complicated networking mode can be simulated, one channel simulator can simulate a channel when main website and most 16 slave stations composition radial network, 16 slave stations are divided into 4 groups, and often group working channel is different, the deficiency of the channel simulator only one of which channel before compensate for.The present invention has multiple stage interconnecting function simultaneously, for simulating multiple main website and the channel of multiple slave station composition mesh network.
4, different slave station can be simulated and be in the characteristic of channel of different train scopes.16 slave station passages may be configured as different attenuated form, and has the most independent randomness, and in order to simulate under complicated networking mode, each slave station is in the characteristic of channel of different train scopes, closer to practical situation.Compensate for each passage of conventional channel simulator to be correlated with, dependent shortcoming.
Accompanying drawing explanation
Fig. 1 is the electric functional-block diagram of this utility model embodiment.
Fig. 2 is the electric functional-block diagram of this utility model control unit.
Fig. 3 is the electric functional-block diagram of this utility model channel simulation processing unit.
Fig. 4 is the connection figure that this utility model unit uses embodiment.
Fig. 5 is the connection figure of this utility model multimachine interconnection embodiment.
Detailed description of the invention
Embodiment of the present utility model is divided into unit to use and multimachine interconnects two kinds, the most as shown in Figure 4 and Figure 5.Unit occupation mode is for one main website of simulation and the characteristic of channel of most 16 slave stations composition radial network.As shown in Figure 4, A, B1 to the B4 signaling interface of the present invention is sent out with the radio frequency of main website respectively and radio frequency is received interface and is connected, and C interface is connected with the channel switching control mouth of main website, and D1 to D16 is connected with the radio-frequency receiving-transmitting interface of slave station.
With reference to Fig. 1, this utility model includes the first to the 5th front end matching attenuation unit 1-1 to 1-5, multidiameter option switch 2, first to fourth power distribution synthesis unit 3-1 to 3-4, first to fourth branch combiner unit 4-1 to 4-4, the first to the 16th numerical-control attenuator 5-1 to 5-16, the first to the 16th rear end matching attenuation unit 6-1 to 6-16, control unit 7, communications interface unit 8, channel switching interface unit 9, channel simulation processing unit 10, memory element 11 and power supply 12；
The radio frequency output signal of main website enters multidiameter option switch 2 after front end matching attenuation unit 1-1 carries out coupling and suitably decays, multidiameter option switch 2 accepts the control of channel simulation processing unit 10 and carries out channel selecting, and the signal that front end matching attenuation unit 1-1 sends here is sent into first to fourth power distribution synthesis unit 3-1 to 3-4 one of them；nullAfter overpower distribution synthesis unit 3-1 to 3-4 carries out power distribution and transceiver insulation to signal，Signal enters one of them of first to fourth corresponding branch combiner unit 4-1 to 4-4，Main website radio frequency output signal one after power is distributed by the first branch combiner unit 4-1 is divided into four transmissions to first to fourth numerical-control attenuator 5-1 to 5-4，Main website radio frequency output signal one after power is distributed by the second branch combiner unit 4-2 is divided into four transmissions to the 5th to the 8th numerical-control attenuator 5-5 to 5-8，Main website radio frequency output signal one after power is distributed by the 3rd branch combiner unit 4-3 is divided into four transmissions to the 9th to the 12nd numerical-control attenuator 5-9 to 5-12，Main website radio frequency output signal one after power is distributed by the 4th branch combiner unit 4-4 is divided into four transmissions to the 13rd to the 16th numerical-control attenuator 5-13 to 5-16；First to the 16th numerical-control attenuator 5-1 to 5-16 changes its attenuation under the control of channel simulation processing unit 10 in real time, respectively the main website radio frequency output signal of respective passage is decayed, signal one_to_one corresponding after decay sends the to first to the 16th rear end matching attenuation unit 6-1 to 6-16, sends to corresponding slave station through input and output bidirectional port D1 to D16 after completing Signal Matching and decay.nullSlave station is half-duplex operation mode，When a slave station sends radiofrequency signal，Signal enters from one of them port of corresponding D1 to D16，After the first to the 16th corresponding rear end matching attenuation unit 6-1 to 6-16 mates, one_to_one corresponding sends the to first to the 16th numerical-control attenuator 5-1 to 5-16，Slave station radio frequency output signal is decayed under the control of channel simulation processing unit 10 by the first to the 16th numerical-control attenuator 5-1 to 5-16，The mode that 16 road deamplifications of the first to the 16th numerical-control attenuator 5-1 to 5-16 output synthesize a road by every 4 tunnels is merged into 4 road deamplifications through first to fourth branch combiner unit 4-1 to 4-4 respectively，And this 4 road deamplification one_to_one corresponding output is carried out transceiver insulation and power distribution to first to fourth power distribution synthesis unit 3-1 to 3-4，Slave station radio frequency output signal after power distribution sends into the second to the 5th corresponding front end matching attenuation unit 1-2 to 1-5；Second to the 5th front end matching attenuation unit 1-2 to 1-5 receives interface through B1 to a B4 wherein corresponding radio frequency sending into main website after mating the slave station radio frequency output signal after power distribution.Control signal is sent into channel simulation processing unit 10 by communications interface unit 8 by control unit 7；Meanwhile, the main website channel switching command signal that signal port C sends here sends into channel simulation processing unit 10 through channel switching interface unit 9；Channel simulation processing unit 10 is connected with multidiameter option switch 2 and numerical-control attenuator 5-1 to 5-16 respectively, after control signal and channel switching command being resolved, completes to operate accordingly.Power supply 12 is each module for power supply, it is provided that required voltage and electric current.
With reference to Fig. 2, control unit 7 utilizes the software run on computers to realize, and inside includes instruction reception unit 13, incoming level data file resolution unit 14, instruction sending unit 15；When user operates software on computers, inputting various instruction in software interface, described instruction reception unit 13 receives the input of instruction, and is packaged into ad hoc structure.The present invention has two kinds of mode of operations, is parameter setting mode and real-time reproduction mode respectively.User needs to be operated model selection at software interface, when being operated in parameter setting mode, user needs the parameter of each passage is configured and is put to determine, instruction will send to communications interface unit 8 through instruction sending unit 15, communications interface unit 8 is network interface, the network interface of computer is connected with the network interface of simulator for multi-channel meteor trail channel equipment, forms the transceiver channel of control signal；When being operated in real-time reproduction mode, the channel incoming level data of field test collection can be reappeared on channel simulator, carry out real-time analog simulation, user needs incoming level data file field test preserved in software interface operation to import, multiple file can be imported in batches, software can be ranked up according to the time of file, instruction reception unit 13 receives incoming level data file while receiving instruction input, and file is sent into incoming level data file resolution unit 14 process, instruction sending unit 15 is sent into after being processed into the data of ad hoc structure, data after the instruction that instruction reception unit 13 is sent here by instruction sending unit 15 processes with incoming level data file resolution unit 14 merge transmission to communications interface unit 8.
With reference to Fig. 3, the Cyclone system class fpga chip that described channel simulation processing unit 10 uses altera corp to produce makes, and inside includes channel switching command resolution unit 16, instruction resolution unit 17, mode selecting unit 18, real-time reproduction mode processor 19, parameter setting mode processor 20, rectangle channel generation unit 21, constant channel generation unit 22, index channel generation unit 23, timer 24, multiplexer channel controller 25；Master device produces channel switching command according to the intensity receiving each slave station signal, exported by channel switching control mouth, the channel switching control mouth of main website is connected with the C interface of channel simulator, channel switching command is entered channel switching interface unit 9 by C interface and enters channel switching command resolution unit 16, after channel switching command resolution unit 16 parses channel switching command, control multidiameter option switch 2 according to command request and be switched on required passage；Instruction resolution unit 17 receives the information that communications interface unit 8 is sent here, parse instruction, first model selection is carried out by mode selecting unit 18 according to instruction, when being operated in parameter setting mode, parameter setting mode processor 20 is sent in instruction, rectangle channel generation unit 21, constant channel generation unit 22, index channel generation unit 23 is under the control of parameter setting mode processor 20, the sequence simulating the various characteristics of channel is produced respectively according to command request, sequence sends into multiplexer channel controller 25 through parameter setting mode processor 20, multiplexer channel controller 25 is according to instruction demand, 16 channels are respectively controlled, after selecting required sequence to carry out randomization, the pad value controlling numerical-control attenuator 5-1 to 5-16 respectively is changed in real time with analog channel characteristic；When being operated in real-time reproduction mode, real-time reproduction mode processor 19 extracts, from the data stream that instruction resolution unit 17 is sent here, the sequence that incoming level data file transition becomes, sequence is sent into multiplexer channel controller 25, and sequence is used for controlling one of them of numerical-control attenuator 5-1 to 5-16 corresponding to special modality according to command request and carries out real-time change by multiplexer channel controller 25；Timer 24 is real-time reproduction mode processor 19, parameter setting mode processor 20, multiplexer channel controller 25 provide required various timing informations.
Multimachine mutual contact mode is for simulating multiple main website and the characteristic of channel of multiple slave station composition mesh network.If shown in 5, situation for the present invention 3 interconnection, connected mode is similar with unit occupation mode, difference is, select from D1 to D16 and several use as subtending port, in Fig. 5 in the case of three interconnections, needing from the D1 to D16 of every simulator for multi-channel meteor trail channel optional two to be connected to other two simulator for multi-channel meteor trail channel respectively, it is similar that the interconnection of other quantity multiple stage interconnects situations with 3.
This utility model mounting structure is as follows:
It is in the printed board of 240 × 140mm that circuit devcies all in Fig. 1 to Fig. 3 are arranged on a length and width, then printed board is arranged in the cabinet that length is 424 × 420 × 88mm, socket and the network interface socket of front end signal port A, B1 to B4, C are installed on case front panel, the rear board of cabinet installs the socket of signal port D1 to D16, supply socket and grounding receptacle, assembly cost utility model.
Claims (4)
1. a novel multi-channel meteor trail channel simulator, including: the first to the 5th front end matching attenuation unit (1-1 to 1-5), first to fourth power distribution synthesis unit (3-1 to 3-4), first to fourth branch combiner unit (4-1 to 4-4), the first to the 16th numerical-control attenuator (5-1 to 5-16), the first to the 16th rear end matching attenuation unit (6-1 to 6-16), communications interface unit (8), memory element (11) and power supply (12)；It is characterized in that: also include multidiameter option switch (2), control unit (7), channel switching interface unit (9) and channel simulation processing unit (10)；
The first described front end matching attenuation unit (1-1) input port is connected with outside main website, and the output port of the first front end matching attenuation unit (1-1) is connected with the input port of multidiameter option switch (2)；The input port that the output port of multidiameter option switch (2) distributes synthesis unit (3-1 to 3-4) with first to fourth power respectively is connected；First to fourth power distribution synthesis unit (3-1 to 3-4) is bi-directionally connected with first to fourth branch combiner unit (4-1 to 4-4) one_to_one corresponding；First branch combiner unit (4-1) is bi-directionally connected with first to fourth numerical-control attenuator (5-1 to 5-4) respectively, and the second branch combiner unit (4-2) is bi-directionally connected with the 5th to the 8th numerical-control attenuator (5-5 to 5-8) respectively；3rd branch combiner unit (4-3) is bi-directionally connected with the 9th to the 12nd numerical-control attenuator (5-9 to 5-12) respectively；4th branch combiner unit (4-4) is bi-directionally connected with the 13rd to the 16th numerical-control attenuator (5-13 to 5-16) respectively；First to the 16th numerical-control attenuator (5-1 to 5-16) is bi-directionally connected with the first to the 16th rear end matching attenuation unit (6-1 to 6-16) one_to_one corresponding；
The output port of control unit (7) is connected with the input port of communications interface unit (8), and the output port of communications interface unit (8) is connected with the input port of channel simulation processing unit (10)；The input port of channel switching interface unit (9) is connected with external signal port, and the output port of channel switching interface unit (9) is connected with the input port of channel simulation processing unit (10)；The output port of channel simulation processing unit (10) input port with multidiameter option switch (2) and the first to the 16th rear end matching attenuation unit (6-1 to 6-16) respectively is connected；Channel simulation processing unit (10) is bi-directionally connected with memory element (11).
A kind of novel multi-channel meteor trail channel simulator the most according to claim 1, it is characterised in that: control unit (7) includes instruction reception unit (13), incoming level data file resolution unit (14) and instruction sending unit (15)；The output port of instruction reception unit (13) input port with incoming level data file resolution unit (14) and instruction sending unit (15) respectively is connected；The output port of incoming level data file resolution unit (14) is connected with the input port of instruction sending unit (15)；The output port of instruction sending unit (15) is connected with the input port of communications interface unit (8).
A kind of novel multi-channel meteor trail channel simulator the most according to claim 1, it is characterised in that: channel simulation processing unit (10) includes channel switching command resolution unit (16), instruction resolution unit (17), mode selecting unit (18), real-time reproduction mode processor (19), parameter setting mode processor (20), rectangle channel generation unit (21), constant channel generation unit (22), index channel generation unit (23), intervalometer (24) and multiplexer channel controller (25)；The output port of channel switching interface unit (9) is connected with the input port of channel switching command resolution unit (16)；The output port of channel switching command resolution unit (16) is connected with the input port of multidiameter option switch (2)；The output port of communications interface unit (8) is connected with the input port of instruction resolution unit (17), and the output port of instruction resolution unit (17) input port with input port, the input port of real-time reproduction mode processor (19) and the parameter setting mode processor (20) of mode selecting unit (18) respectively is connected；The output port of mode selecting unit (18) is connected with the input port of real-time reproduction mode processor (19) and the input port of parameter setting mode processor (20) respectively；The output port of real-time reproduction mode processor (19) is connected with the input port of multiplexer channel controller (25)；The output port of parameter setting mode processor (20) is connected with the input port of multiplexer channel controller (25)；The output port of intervalometer (24) input port with input port, parameter setting mode processor (20) and the multiplexer channel controller (25) of real-time reproduction mode processor (19) respectively is connected；The output port of multiplexer channel controller (25) input port with the first to the 16th numerical-control attenuator (5-1 to 5-16) respectively is connected；The output port of rectangle channel generation unit (21), the output port input port with parameter setting mode processor (20) respectively of output port and index channel generation unit (23) of constant channel generation unit (22) are connected.
4. according to a kind of novel multi-channel meteor trail channel simulator described in claim 1,2 or 3, it is characterized in that: this simulator can simulate the meteor trail channel under complicated networking mode, a described simulator can simulate a channel when main website and multiple slave station composition radial network；Simulator described in multiple stage can interconnect, for simulating multiple main website and the channel of multiple slave station composition mesh network.
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| CN201520885936.7U CN205545290U (en) | 2015-11-09 | 2015-11-09 | Novel multichannel meteor trail channel simulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105227254A (en) * | 2015-11-09 | 2016-01-06 | 中国电子科技集团公司第五十四研究所 | A kind of novel multi-channel meteor trail channel simulator |
| CN112286845A (en) * | 2020-10-30 | 2021-01-29 | 重庆金美通信有限责任公司 | Transmission line switching system supporting multiple devices and multiple interfaces |
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2015
- 2015-11-09 CN CN201520885936.7U patent/CN205545290U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105227254A (en) * | 2015-11-09 | 2016-01-06 | 中国电子科技集团公司第五十四研究所 | A kind of novel multi-channel meteor trail channel simulator |
| CN112286845A (en) * | 2020-10-30 | 2021-01-29 | 重庆金美通信有限责任公司 | Transmission line switching system supporting multiple devices and multiple interfaces |
| CN112286845B (en) * | 2020-10-30 | 2023-06-09 | 重庆金美通信有限责任公司 | Transmission line switching system supporting multiple devices and multiple interfaces |
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