UWB 시스템과 이동통신 시스템간의 간섭측정 분석 = Analysis and Measurement of Interferences between UWB and Mobile Communication System

다국어 초록 (Multilingual Abstract)

Ultra Wideband(UWB) technologies have been developed to exploit a new spectrum resource in substances and to realize ultra-high-speed communication, high precision geolocation, and other applications. The energy of UWB signal is extremely spread from near DC to a few GHz. This means that the interference between conventional narrowband systems and UWB systems is inevitable. However, the interference effects had not previously been studied from UWB wireless systems to conventional mobile wireless systems sharing the frequency bands such as Korean Cellular CDMA and WCDMA. This paper experimentally evaluates the interference from two kinds of UWB sources, namely a direct-sequence spread-spectrum CDMA(DS-CDMA) UWB source and an impulse radio UWB source, to a Cellular CDMA and WCDMA digital transmission system. The average frame error rate degradation of each system are presented. From these experimental results, the interference effects of DS-CDMA UWB source is not severe compared to the Impulse UWB.

참고문헌 (Reference)

1 "Universal Mobile Telecommunications System (UMTS)" apr.2004.

2 "Ultra-wideband high data rate short range wireless links" 2002 : 85-89, 2002.

3 "Ultra Wideband Signals and Systems in Communication Engineering" John Wiely & Sons 2004.

4 "UWB Compatibility/Interference With WCDLA Uplink and Downlink With Single Source UWB Interference."

5 "Revision of Part 15 of the Commission's Rules Regarding Ultra-Wideband Transmission Systems" feb.2002.

6 "Recommended Minimum Performance Standards for cdma2000 Spread Spectrum Mobile Stations" Dec.2002.

7 "Opinion & Order" feb.2003.

8 "On the interference between UMTS and UWB systems" 339-343, nov.2003.

9 "Measurements to Determine Potential Interference to GPS Receivers from UltraWideband Transmission Systems" feb.2001.

10 "Analysis of the Impact of Ultra Wide Band(UWB) to IMT2000." uwb