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논문검색

Experimental Interference Studies Between WCDMA and UWB System

초록

영어

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 WCDMA system. This paper experimentally evaluates the interference from two kinds of UWB sources, namely a direct-sequence spread-spectrum UWB source and an impulse radio UWB source, to a WCDMA digital transmission system. The average frame error rate degradations are presented. From these experimental results, we show that in all practical cases UWB system can coexist with WCDMA terminal without causing any dangerous interference.

목차

Abstract
 1 Introduction
 2 Experiment System Descriptions
  2.1 Victim System
  2.2 UWB characteristics
  2.3 BER Measurement System
 3 Experimental Results and Discussion
  3.1 Pathloss Calculation
  3.2 Link BllIdget Analysis
  3.3 Discussion
 4 Conclusions
 References

저자정보

  • Kim, Myung-Jong Advanced Wireless PAN Research Team, ETRI
  • Kim, Jae-Young Advanced Wireless PAN Research Team, ETRI
  • Kang, Young-Jin Advanced Wireless PAN Research Team, ETRI
  • Hong, Ic-Pyo Information and Communication engineering, KongJu Nat'l University

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