研究のタイプ: 医学/生物学の研究 (experimental study)

[GSM 1800電磁界の影響下におけるヒトの睡眠] med./bio.

Human Sleep Under the Influence of a GSM 1800 Electromagnetic Far Field.

掲載誌: Somnologie (Somnology) 2005; 9 (4): 185-191

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研究目的(著者による)

The aim of the study was to identify such effects in the context of electromagnetic fields emitted by base stations on sleep.

影響評価項目

ばく露

ばく露 パラメータ
ばく露1: 1,800 MHz
Modulation type: pulsed
ばく露時間: continuous for about 8 h during 2 out of 4 nights

ばく露1

主たる特性
周波数 1,800 MHz
タイプ
  • electromagnetic field
特性
  • far field
偏波
  • linear
ばく露時間 continuous for about 8 h during 2 out of 4 nights
Additional information vertically polarized
Modulation
Modulation type pulsed
Repetition frequency 1,736 Hz
ばく露装置
ばく露の発生源/構造
  • Eurocell flat panel antenna, signal generator
Distance between exposed object and exposure source 1.5 m
チャンバの詳細 Dedicated chamber (2 m x 1.4 m x 2 m) with the walls and the ceiling covered by EMF absorbing foam pads (< -20 dB at 1.7 GHz) and one wall left open for exposure.
ばく露装置の詳細 The antenna was positioned in front of the bed at a distance of 1.5 m to the subject's head.
Additional information The experiment was designed as a crossover study under double-blind conditions. After an adaptation night, the field was activated randomly for 2 out of 4 consecutive nights.
パラメータ
測定量 種別 Method Mass 備考
電界強度 30 V/m unspecified 測定値 - -
電力密度 2.3 W/m² unspecified 測定値 - -
SAR 72 mW/kg maximum 推定値 10 g -

Reference articles

  • Zwamborn APM et al. (2003): [主観的愁訴のある人および無い人を被験者とした安寧および認知機能に対するGSM無線周波電磁界の影響]

ばく露を受けた生物:

方法 影響評価項目/測定パラメータ/方法

研究対象とした生物試料:
研究対象とした臓器系:
調査の時期:
  • ばく露前
  • ばく露中
  • ばく露後

研究の主なアウトカム(著者による)

The results failed to detect any statistically significant effect of a far field GSM electromagnetic field exposure on human sleep.

研究の種別:

研究助成

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