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Author: search.filters.author.Kaewmechai, SompophSubject: search.filters.subject.RMS Delay Spread

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    Indoor measurement results of UWB impulse radio for shot-range wireless systems with RMS delay spread and path loss
    (2005-12-01)
    Leechaikitjaroen, Keatichai
    ;
    Promwong, Sathaporn
    ;
    Supanakoon, Pichaya
    ;
    Chensirikul, Somsak
    ;
    Kaewmechai, Sompoph
    In this paper, we describe a simple method for measurement of the ultra-wideband (UWB) frequency response for evaluation of the path loss and RMS delay spread which are the important parameters for the wireless communications, probability and cumulative density of rms delay spread and path loss are evaluated based on the measurement of UWB indoor environment. For the measurement, the frequency responses of the UWB channel are acquired by using a vector network analyzer (VNA) over the frequency bandwidth of 3-11 GHz. The biconical antennas are used for both the transmitter (Tx) and receiver (Rx) antennas. The probability density function and cumulative distribution function of the rms delay spread and path loss are shown. The results are discussed in this paper. © 2005 IEEE.