ŞEHİR e-arşiv

Multipath delay profile and Doppler spread of millimeter radiowaves over the sea channel

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dc.contributor.author Mehrnia, Niloofar
dc.contributor.author Özdemir, Mehmet Kemal
dc.date.accessioned 2018-10-26T14:09:24Z
dc.date.available 2018-10-26T14:09:24Z
dc.date.issued 2018
dc.identifier.isbn 978150905049-9
dc.identifier.uri 10.1109/BlackSeaCom.2017.8277689
dc.identifier.uri http://hdl.handle.net/11498/55838
dc.description.abstract This paper presents a line-of-sight (LoS) ship-to-ship wireless communication for millimeter radiowaves over the sea surface. 35 GHz and 94 GHz have been analyzed by our simulations as they are the frequencies of interest for the sea channels at millimeter radiowaves. The main time dispersion parameters of maritime channel such as mean excess delay, Root Mean Square (RMS) delay spread, coherence bandwidth (Bc), Doppler spread as well as coherence time and coherence distance have been investigated in this work. Cumulative Distribution Functions (CDFs) of time delay parameters indicate that the maritime channels can be assumed frequency non-selective as long as the bandwidth of transmitted signal does not exceed 750 MHz and 1.53 GHz at 35 GHz and 94 GHz, respectively. In addition, based on the results obtained from the Doppler spectrum, the sea channel is not affected by vessel movements and therefore the efficacy of Doppler frequency is negligible in maritime environments at these two frequencies. Consequently, the corresponding coherence times are relatively long enough not to cause distortion due to motion. As for the coherence distance, our results illustrate that the coherence distance for off shore marine channels is so large that it offers no space diversity over the sea channel. en_US
dc.language.iso eng en_US
dc.publisher Institute of Electrical and Electronics Engineers Inc. en_US
dc.rights info:eu-repo/semantics/embargoedAccess en_US
dc.subject Wireless Communication Systems--Congresses en_US
dc.subject Computer Networks--Congresses en_US
dc.subject Coherence (Optics) en_US
dc.subject Kablosuz İletişim Sistemleri--Kongreler en_US
dc.subject Bilgisayar Ağları--Kongreler en_US
dc.subject Uyum (Optik) en_US
dc.title Multipath delay profile and Doppler spread of millimeter radiowaves over the sea channel en_US
dc.type Article en_US
dc.contributor.authorID 31052 en_US
dc.relation.journal 2017 IEEE International Black Sea Conference on Communications and Networking en_US

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