Bluetest®AB - Gigacomp

Comparison of radiation efficiency
Large near-field chamber vs. Bluetest chamber
TABLE I
COMPARISON OF MEASURED AND SIMULATED RADIATION EFFICIENCY
Antenna
Phantom Mounted Efficiency at
2.45 GHz (%) [equivalent loss, dB]
Simulation Near-Field Reverb
HMMPA 10mm 49.0 [3.1] 38.9 [4.1] 42.8 [3.7]
HMMPA 5 mm 45.0 [3.5] 37.6 [4.2] 37.1 [4.3]
Monopole 58.5 [2.3] 51.0 [2.9] 53.4 [2.7]
MPA-F 65.6 [1.8] 67.0 [1.7] 75.1 [1.2]
MPA-S 65.7 [1.8] 61.0 [2.1] 61.2 [2.1]
From measurements by Queen's University Belfast, ”In Situ Measurement of UHF Wearable Antenna
Radiation Efficiency Using a Reverberation Chamber”, IEEE Antennas and Wireless Propagation Letters,
Vol. 7, 2008
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