본 논문에서는 전파 잡음에 노출된 무선 랜의 데이터 전송 속도 저하(低下)가 일어나는 원인과 주파수 이격(離隔)에 따른 간섭 정도가 달라지는 이유를 설명하였고, 또한 현저한 전송 속도 저하를 일으키는 간섭파의 전계 강도 수치를 측정하였다. 연구에 사용된 두 대의 무선 랜 및 한 대의 AP(Access Point)가 무선 통신망을 형성하였다. 사용된 전파 간섭의 종류는 동일 채널 간섭 및 인접 채널 간섭이었고, 각 경우에 대한 전계 강도 임계 수치를 도출하였다. 두 경우의 전파 간섭에 대한 전계 강도 임계 수치를 조사한 결과, 그 값은 54 dBuV/m @3 m이었고, 이 수치는 현행 국내 기준치인 30.9 dBuV/m @3 m보다 높은 값이었다. 이는 802.11b 무선 랜에 관한 한은, 국내의 소출력 무선기기 규정치는 23.1 dB 만큼 과도하게 설정되었음을 의미하는 것이다.
KSP Keywords
Access point
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