Seda Ustun Ercan

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An in-band interference occurs when a part of transmission band is simultaneously used by another application. The effect of in-band interference in chirp modulated frequency modulated continuous wave (FMCW) data is to raise the noise floor in the power delay profiles. a technique that alleviates the effect of in-band-interference in FMCW mobile radio(More)
In order to decrease wireless channel's destructive effects and increase system performance in multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) system, channel state information (CSI) is required. CSI is obtained by using pilot based; blind and semi-blind channel estimation algorithms. Though blind algorithm has low(More)
In MIMO-OFDM system which allows high data rate communications in order to increase system performance channel state information (CSI) is needed. CSI is determined by using channel estimation algorithms and then channel's dispersive effects are reduced CSI. In this study, the effect of the pilot density, velocity and channel's frequency selectivity on the(More)
An in-band interference occurs when a part of transmission band is simultaneously used by another application and raise the noise floor and reduce signal ratio/noise ratio(SNR). In channel sounding, measurement campaigns are expensive and difficult to repeat since every channel data is valuable for a sound channel. In this study `Minimum Norm' method was(More)
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