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A reconfigurable channel fading simulation device and its fading twin method

A channel fading, simulation device technology, applied in transmission monitoring, electrical components, transmission systems, etc., can solve the problems of small convergence area, large algorithm delay, and many iterations, and achieves improved real-time performance, strong versatility, and flexibility. high effect

Active Publication Date: 2022-05-03
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

However, the traditional CORDIC algorithm has the problems of large number of iterations, large algorithm delay and small convergence domain.

Method used

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  • A reconfigurable channel fading simulation device and its fading twin method
  • A reconfigurable channel fading simulation device and its fading twin method
  • A reconfigurable channel fading simulation device and its fading twin method

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Embodiment Construction

[0029] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described more clearly and completely below.

[0030] Such as figure 1 It is a schematic structural diagram of the reconfigurable channel fading simulation device of the present invention, the reconfigurable channel fading simulation device includes: a communication scene configuration unit 1-1, an analog-to-digital conversion unit 1-2, a reconfigurable fading generation unit 1-3, Reconfigurable delay simulation unit 1-4, reconfigurable channel superposition unit 1-5, digital-to-analog conversion unit 1-6, output interface of communication scene configuration unit 1-1 and reconfigurable fading generation unit 1-3, and The input interface of the reconfigurable delay simulation unit 1-4 is connected with the PCIE bus, the output interface of the analog-to-digital conversion unit 1-2 is connected with the input interface of...

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Abstract

The invention discloses a reconfigurable channel fading simulation device and a fading twin method thereof, belonging to the field of wireless information transmission. The simulation device includes a communication scene configuration unit, an analog-to-digital conversion unit, a reconfigurable fading generation unit, a reconfigurable delay simulation unit, a reconfigurable channel superposition unit, and a digital-to-analog conversion unit. Aiming at the diversity of wireless channel fading in actual communication scenarios, the present invention can realize the hardware real-time calculation of channel fading elementary functions on any convergence domain according to the communication scene parameters input by users, and has a general, flexible and reconfigurable hardware structure, suitable for Channel simulation in actual communication scenarios.

Description

technical field [0001] The invention belongs to the field of wireless information transmission, and is particularly aimed at hardware simulation of channel fading in wireless communication scenarios, and in particular relates to a reconfigurable channel fading simulation device and a fading twin method thereof. Background technique [0002] Radio wave signals will be affected by the surrounding environment during transmission, resulting in a certain degree of different types of fading, such as path loss due to the influence of terrain and transmission distance, multipath fading will be generated due to the superposition of scattering branches, and due to Occlusion by obstacles also enables shadow fading to occur. [0003] In order to effectively evaluate the performance of wireless communication systems, reduce the cost of field test simulation and increase the controllability of channel simulation, further research on wireless channel fading simulation is needed in the labo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/391
CPCH04B17/3911H04B17/3912
Inventor 朱秋明毛通宝赵子坤陈小敏房晨仲伟志虞湘宾毛开
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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