Design of new reverberation chamber for electromagnetic compatibility and wireless device measurement applications and its reproducibility performance validation

2018 ◽  
Author(s):  
Dong‐UK Sim ◽  
Sang Il Kwak ◽  
Jong Hwa Kwon ◽  
Seong‐Ook Park
Keyword(s):  
Electromagnetic Compatibility ◽  
Reverberation Chamber ◽  
Wireless Device ◽  
Performance Validation

scholarly journals Development and Validation of New Reverberation Chamber for Wireless Devices

2018 ◽  
Vol 2018 ◽  
pp. 1-12 ◽  
Author(s):  
Dong-Uk Sim ◽  
Sang Il Kwak ◽  
Jong Hwa Kwon ◽  
Seong-Ook Park
Keyword(s):  
Standard Deviation ◽  
Electromagnetic Compatibility ◽  
Initial Structure ◽  
Wireless Devices ◽  
Reverberation Chamber ◽  
Working Volume ◽  
Wireless Terminal ◽  
Reasonable Approach ◽  
Measurement And Evaluation ◽  
Development And Validation

This paper proposes a reverberation chamber structure consisting of new reflectors and mode stirrers for electromagnetic compatibility and wireless terminal measurements. The key design considerations for them are determined through a reasonable approach to analyze the eigenmode for a reverberation chamber and the standard deviation of its working volume based on 3D simulation. The final designs are expected to improve the standard deviation performance of the initial structure of the reverberation chamber and provide a better mode stirring environment. The results measured in the fabricated chamber demonstrate that these predictions are clearly realized. The results satisfy the main requirements of this paper, which are defined in consideration of the specifications of commercial reverberation chamber products. Therefore, the reverberation chamber of this paper is expected to be useful for performance measurement and evaluation of commercial wireless terminals. To verify this logical approach to obtain a good design and its results, the results measured in the actual fabricated reverberation chamber are described along with analytical and computational results.

Electric Field Uniformity Characteristic of a Reverberation Chamber with a Composite QRD

2013 ◽  
Vol 684 ◽  
pp. 518-521
Author(s):  
Eugene Rhee ◽  
Ji Hoon Lee
Keyword(s):  
Electric Field ◽  
Electromagnetic Compatibility ◽  
Quadratic Residue ◽  
Test Facility ◽  
Uniform Electric Field ◽  
Reverberation Chamber ◽  
Standard Requirement ◽  
International Standard ◽  
Field Uniformity ◽  
Simulation Results

This paper presents the electric field characteristics in a reverberation chamber which is an electromagnetic compatibility test facility that uses a stirrer to generate a uniform electric field inside it. In this paper, a diffuser is introduced from acoustics and newly designed to overcome problems of a stirrer. To validate the effect of a diffuser, a composite quadratic residue diffuser and a reverberation chamber are modeled. Then, the field uniformity inside the reverberation chamber is simulated by XFDTD 6.2 simulation program. Simulation results show that the electric field uniformity in the reverberation chamber satisfies the international standard requirement. This shows that the composite quadratic residue diffuser can be substituted for a stirrer.

EMC Measurement in a Reverberation Chamber

2013 ◽  
Vol 339 ◽  
pp. 436-439
Author(s):  
Eugene Rhee ◽  
Ji Hoon Lee
Keyword(s):  
Electric Field ◽  
Electromagnetic Compatibility ◽  
Substitution Effect ◽  
Test Facility ◽  
Uniform Electric Field ◽  
Reverberation Chamber ◽  
Standard Requirement ◽  
The Real ◽  
Measurement Results ◽  
Field Uniformity

A reverberation chamber, which is a test facility for various electromagnetic compatibility tests, uses a stirrer to generate a uniform electric field inside it. However, a stirrer is a big unit and has difficulties in maintenance. This paper adopted an idea of a diffuser from acoustics to overcome the problems of a stirrer and presents a substitution effect of a diffuser for a stirrer. To validate the substitution effect of a diffuser, a diffuser and a reverberation chamber for 3.0-5.0 GHz band are designed and fabricated. And the real measurement for analyzing the electric field uniformity in a reverberation chamber is done. The measurement results show that the reverberation chamber with a diffuser satisfies the international standard requirement.

scholarly journals Deep Fading in a Reverberation Chamber for Wireless Device Testing

2020 ◽  
Vol 766 ◽  
pp. 012004
Author(s):  
Christoph Cammin ◽  
Dmytro Krush ◽  
Ralf Heynicke ◽  
Gerd Scholl
Keyword(s):  
Reverberation Chamber ◽  
Wireless Device
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