Minimum Coherence Bandwidth for OFDM Signal Testing in Reverberation Chambers
- Resource Type
- Conference
- Authors
- Garcia-Fernandez, Miguel A.; Sanchez-Hernandez, David A.
- Source
- 2024 18th European Conference on Antennas and Propagation (EuCAP) Antennas and Propagation (EuCAP), 2024 18th European Conference on. :1-4 Mar, 2024
- Subject
- Fields, Waves and Electromagnetics
Wireless communication
Spectral efficiency
OFDM
Reverberation chambers
Coherence
Bandwidth
New Radio
electromagnetic radiation
microwave measurements
reverberation chamber
- Language
This contribution provides a mathematical derivation aimed at establishing the minimum coherence bandwidth necessary within a reverberation chamber (RC) to effectively prevent inter-symbol interference (ISI) when testing standards that make use of orthogonal frequency division multiplex (OFDM) signals, such as 4G Long Term Evolution (LTE) or 5G New Radio (NR). The derived minimum coherence bandwidth is found to be no less than 5.5133 times the sub-carrier spacing (SCS).