نتایج جستجو برای: multipath channel

تعداد نتایج: 229281  

Journal: :Int. J. Communication Systems 2014
Ulysses R. C. Vitor M. T. de Melo

The authors have studied a new method to find parameters of broadband power line communication channel model. Lossless power line communication channel model is compared with classical interferometers approach to develop this model. The authors also used coaxial cables to simulate a multipath channel, because it can behave like a lossless power line communication channel. Thus, measurements wer...

2008
Andreas Lehner

In 2002 the German Aerospace Centre (DLR) performed a measurement campaign of the land mobile multipath channel. From this data a channel model was derived that is synthesising the measured channel impulse response. It allows the realistic simulation of the multipath channel by approximating every single reflection. This model includes time variant reflectors approaching and receding in depende...

2009
Andreas Lehner Alexander Steingaß Frank Schubert

In 2002 the German Aerospace Centre (DLR) performed a measurement campaign of the land mobile multipath channel in and around the city of Munich. From this data a channel model was derived that is synthesising the measured channel impulse response. It allows the realistic simulation of the multipath channel by approximating every single reflection. This model includes time variant reflectors ap...

1999
Sung-Jin KANG Min-Goo KANG Chang-Eon KANG

In this letter, we propose the channel estimation technique in the uplink of a DS/CDMA system with M -ary orthogonal signaling over multipath fading channels. The channel estimation is carried out using the maximum correlator output of RAKE receiver. With the estimated channel parameters, the RAKE receiver can coherently combines the received multipath signals, resulting in a significant perfor...

2005
Andreas Lehner Alexander Steingass

In 2002 the German Aerospace Centre (DLR) performed a measurement campaign of the land mobile multipath channel. From this data we derived a channel model that is synthesising the measured channel impulse response. It allows the realistic simulation of the multipath channel by approximating every single reflection. This model includes time variant reflectors approaching and receding in dependen...

Journal: :IEEE Transactions on Vehicular Technology 2018

Journal: :EURASIP Journal on Wireless Communications and Networking 2011

2009
Hussein Hijazi Laurent Ros

In this paper, we consider an orthogonal-frequency-division-multiplexing (OFDM) mobile communication system operating in downlink mode in a time-varying multipath Rayleigh channel scenario. We present a Mean Square Error theoretical analysis for a multipath channel complex gains estimation algorithm with inter-sub-carrier-interference (ICI) reduction using a comb-type pilot. Assuming the presen...

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