Wireless network channel simulator based on digital baseband space
A space wireless and channel simulation technology, applied in the field of satellite communication, can solve the problems of high cost and inability to apply real-time simulation of space information network, etc., and achieve the effect of improving the use effect
Inactive Publication Date: 2019-07-05
昆宇蓝程(北京)科技有限责任公司
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Problems solved by technology
[0003] The existing simulators focus on the fading, delay and Doppler characteristics of space signals during propagation. Although this method can achieve more accurate simulation of channel transmission characteristics, it is not suitable for multi-link high dynamic Real-time simulation of spatial information network with topology changes, and the cost is expensive. For example, the F8 of Finnish Elebit Company needs several million RMB in 2-channel configuration
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[0054] The present invention will be further described in combination with the following application scenarios.
[0055] See figure 1 , Which shows a digital baseband-based spatial wireless network channel simulator, including: a control system 1 and a digital baseband-based simulation system 2; figure 2 The structure diagram of the simulation system is shown, in which,
[0056] The simulation system 2 includes a simulation chassis 21 and a switch box 22;
[0057] The simulation chassis 21 includes a channel simulation sub-board 211 and a switching sub-board 212;
[0058] The switch box 22 is connected to the control system 1 and the switch daughter boards 212 in each simulation chassis 21;
[0059] Each channel simulation sub-board 211 in the simulation chassis 21 is connected to the switching sub-board 212, and the switching sub-board 212 is connected to the switch box 22; each channel simulation sub-board 211 in the simulation chassis 21 realizes each channel simulation sub-board t...
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The invention provides a wireless network channel simulator based on a digital baseband space. The wireless network channel simulator comprises a control system and a simulation system, the simulationsystem comprises a simulation case and a switch case; the simulation case comprises a channel simulation sub-board and a switching sub-board; the switch box is connected with the control system and the switch daughter boards in the simulation cases; each channel simulation sub-board in the simulation case is connected with the switching sub-board, and the switching sub-board is connected with theswitching case; each channel simulation sub-board in the simulation case realizes mutual connection between the channel simulation sub-boards through the exchange sub-board, and each channel simulation sub-board is connected to the switch case through the exchange sub-board and then realizes connection with a simulation system or other simulation cases; the control system is used for establishinga simulation server for the simulation system to access, dynamically simulating the topological connection, delay and error code information of the satellite network and issuing the information to the simulation system; and the simulation system changes link parameters and a network topological structure according to the issued information. The device is simple in structure and low in cost.
Description
Technical field [0001] The invention relates to the field of satellite communication, in particular to a digital baseband space wireless network channel simulator. Background technique [0002] There are many mature channel transmission models, such as C.Loo, Corazza and Lutz models, etc. These models describe the signal transmission characteristics in the satellite mobile communication process, including Doppler frequency shift, multipath effect, and shadow masking. Wait. [0003] Existing simulators focus on the fading, delay and Doppler characteristics of space signals in the propagation process. Although this method can achieve more accurate channel transmission characteristics simulation, it is not suitable for multi-link high dynamics. Real-time simulation of spatial information networks with topological changes is costly. For example, the F8 of Finnish Elebit Company requires several million RMB in a 2-channel configuration. Summary of the invention [0004] In view of the ...
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IPC IPC(8): H04B17/391H04B7/185
CPCH04B7/185H04B17/391H04B17/3912
Inventor 董华
Owner 昆宇蓝程(北京)科技有限责任公司