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The Interference Measurement Analysis between 3.412 GHz Band Broadcasting System and UWB Wireless Communication System

Song Hong-Jong    (Radio Regulation Team, RRL, MIC   ); Kim Dong-Ku    (Department of Electrical and Electronic Engineering, Yonsei Univ.  );
  • 초록

    Ultra wideband(UWB) technologies have been developed to exploit a new spectrum resource in substances and to realize ultra-high-speed communication, high precision geo-location, 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 wireless systems sharing the frequency bands such as Broadcasting system. This paper experimentally evaluates the interference from two kinds of UWB sources, namely a orthogonal frequency division Multiplex UWB source and an impulse radio UWB source, to a Broadcasting transmission system. The receive power degradations of broadcasting system are presented. From these experimental results, we show that in all practical cases UWB system can coexist 35 m distance in-band broadcasting network.


  • 주제어

    UWB(Ultra-Wideband) .   Broadcasting Relay System .   UWB Emission Effects .   Interference Measurement .   Coexistence.  

  • 참고문헌 (7)

    1. FCC 02-48 First Report and Order(R&O), Revision of Part 15 of the Commission's Rules Regarding Ultra-Wideband Transmission Systems: FCC, Feb. 2002 
    2. Intel, General-Atomics, 'C-band satellite interference measurement at TDK RF test range', IEEE 802.15 WG for Wireless Personal Area Networks, Jan. 2004 
    3. J. P. Van't Hof, D. D. Stancil, 'Ultra-wideband high data rate short range wireless links', IEEE Vehicular Technology Conference, pp. 85-89, 2002 
    4. R. Giuliano, F. Mazzenga, and F. Vatalaro, 'On the interference between UMTS and UWB systems', 2003 IEEE Conferences on Ultra Wideband Systems and Technologies, pp. 339-343, Nov. 2003 
    5. FCC 03-33 Memorandum, Opinion & Order, FCC, Feb. 2003 
    6. ITU-R TG1/8 Chairman report 
    7. J. R. Hoffman et al., 'Measurements to determine potential interference to GPS receivers from ultrawideband transmission systems', NTIA Report 01-384, Feb. 2001 

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