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Rapid simulation method and device for equivalent signal level TOA measurement

A simulation method and signal level technology, applied in measurement devices, radio wave measurement systems, wireless communications, etc., can solve problems such as adverse system operation effects, waiting for a long time, etc., to avoid a large number of calculations, solve slow simulation speed, improve The effect of simulation speed

Active Publication Date: 2019-08-16
SICHUAN JIUZHOU ELECTRIC GROUP
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a fast simulation method and device for equivalent signal-level TOA measurement in view of the problem that the signal-level simulation method needs to wait for a long time, which is not conducive to quickly evaluating the overall operation effect of the system

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  • Rapid simulation method and device for equivalent signal level TOA measurement
  • Rapid simulation method and device for equivalent signal level TOA measurement
  • Rapid simulation method and device for equivalent signal level TOA measurement

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Embodiment 1

[0038] This embodiment takes the ADS-B signal as an example. Other signals such as the mode S query response signal, the M3A / C query response signal, and the DME query response signal can all be verified according to this method. This embodiment provides a fast simulation method for equivalent signal level TOA measurement, such as figure 1 Shown, including:

[0039] Step 1. Algorithm module simulation: Through signal-level TOA algorithm module simulation, the mathematical relationship between signal received power and TOA is obtained:

[0040] (1) Establish an algorithm simulation model of equivalent signal level TOA measurement: design according to the characteristics of the signal waveform. At present, the more common algorithms for multi-point positioning include: pulse frontier TOA measurement algorithm, pulse matched filter TOA measurement algorithm, pulse differential matched filter TOA measurement algorithm and so on. The ADS-B signal in this embodiment mainly adopts the p...

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Abstract

The invention discloses a rapid simulation method and device for equivalent signal level TOA measurement, and the method comprises the steps of 1, carrying out the simulation through a signal level TOA algorithm module, and obtaining a mathematical relation between signal receiving power and TOA; and step 2, calculating the signal receiving power according to the signal transmitting power of the target, and calculating to obtain a TOA estimated value by utilizing a mathematical relation between the signal receiving power and the TOA. According to the invention, the mathematical relation between signal receiving power and TOA is obtained through simulation of the algorithm module; during system simulation, a TOA estimation value is directly obtained through the mathematical relation, and asignal transmitting and receiving simulation processing flow is not carried out any more, so that a large amount of calculation is avoided, the problem that the multi-point positioning system-level simulation speed is low is effectively solved, and the rapid verification of system indexes is facilitated under the condition that the overall performance is not lost.

Description

Technical field [0001] The invention relates to the technical field of multipoint positioning, in particular to a fast simulation method and device for equivalent signal level TOA measurement. Background technique [0002] Multi-point positioning technology is currently a hot spot in domestic and foreign research. The signal TOA measurement accuracy directly determines the accuracy of the multi-point positioning system. At present, TOA measurement and estimation are generally performed by generating digital signals, referred to as signal-level simulation. This process is The algorithm verification process can also be called the algorithm module simulation process, but this method is more suitable for the verification of the TOA algorithm of a single target signal on a single platform; when the multi-point positioning system is simulated, the TOA algorithm changes from a single target to multiple targets , The site changes from a single site to multiple sites. The system also need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/06H04W64/00G01S5/04
CPCG01S5/04H04W24/06H04W64/006
Inventor 赵峙岳
Owner SICHUAN JIUZHOU ELECTRIC GROUP
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