Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Ali Eksim"'
Autor:
Ali Eksim, Mustafa Kara
Publikováno v:
Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Vol 7, Iss 1, Pp 577-593 (2019)
Son yıllarda siber suçun gittikçe büyüyen etkisi, siber tehditlerin üstesinden gelmek için dünya çapında istihbarat ve kanun uygulayıcı kurumlar ortaya çıkartmıştır. Tüm kurum ve kuruluşlar siber suçla en iyi şekilde nasıl müca
Externí odkaz:
https://doaj.org/article/9d23e52f5fe145b99be10c4284bc7766
Autor:
Tolga Demirci, Ali Eksim
Publikováno v:
Volume: 36, Issue: 3 1733-1746
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Bu çalışmada fiziksel katmanda haberleşme gizliliği çeşitli radyo frekansları için incelenmiştir. Milimetre dalga ve Terahertz bantlarında en yüksek seviye gizliliğe sahip frekans aralıkları ve bu aralıkların haberleşme gizliliği h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de10d4dfaa45bd7d834a1d3ffd010c77
https://doi.org/10.17341/gazimmfd.658438
https://doi.org/10.17341/gazimmfd.658438
Publikováno v:
2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::378a6764d1dd075d6dd6daa18c21b533
https://doi.org/10.23919/at-ap-rasc54737.2022.9814220
https://doi.org/10.23919/at-ap-rasc54737.2022.9814220
Publikováno v:
2021 13th International Conference on Electrical and Electronics Engineering (ELECO).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2169e53a886c2de34e420f4615eeef1e
https://doi.org/10.23919/eleco54474.2021.9677835
https://doi.org/10.23919/eleco54474.2021.9677835
Autor:
Tolga Demirci, Ali Eksim
Publikováno v:
2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science.
In this work, communication secrecy in cooperative and multi-hop wireless communications for various radio frequencies are examined. Attenuation lines and ranges of both detection and ultimate secrecy regions were calculated for cooperative communica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecc71ad881d410bc7434c301bef3c721
https://doi.org/10.23919/ursigass49373.2020.9232409
https://doi.org/10.23919/ursigass49373.2020.9232409
Autor:
Ali Eksim, Hasan Yetik
Publikováno v:
SIU
In this work, we present an adaptive forward error correction method with two different forward error correction schemes for Advanced Multi-band Excitation 3600 bps vocoder that is mainly utilized in Digital Mobile Radios. Utilized forward error corr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f60405c1ba0b0ef9d66a9bc34771ecde
https://doi.org/10.1109/siu.2018.8404286
https://doi.org/10.1109/siu.2018.8404286
Autor:
Onur Cumurcu, Ali Eksim
Publikováno v:
SIU
In this paper, we design patch antenna for high frequency (HF) and very high frequency (VHF). Due to size problems, patch antennas are not suitable for lower frequencies. In order to overcome these problems we try to different approach. First of all,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c765742cbfc3b7d622b443f442749228
https://aperta.ulakbim.gov.tr/record/93177
https://aperta.ulakbim.gov.tr/record/93177
Autor:
Ali Eksim, Hasan Yetik
APCO Project 25 (P25) digital radios became widespread for either government or personal communication in the last two decades. Since the P25 standards are quite old, performance of its voice services is not satisfactory when compared to today's stan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::228d3c0904aaf4e37bd0731ab2c2ce9b
https://aperta.ulakbim.gov.tr/record/93173
https://aperta.ulakbim.gov.tr/record/93173
Autor:
Ali Eksim, Hasan Yetik
Publikováno v:
TSP
As the mobile radio communication needs of uniformed and emergency services soared, two way land mobile radio communication systems are evolved from analog to digital. Although digital radios have better communication range, noise performance and pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::015237336f09b088be89204fbc2af2ef
https://doi.org/10.1109/tsp.2017.8075998
https://doi.org/10.1109/tsp.2017.8075998
Autor:
Ali Eksim, Hasan Yetik
Publikováno v:
Volume: 33, Issue: 2 665-674
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Afet yönetim birimleri, güvenlik güçleri ve üniformalı çalışanların mobil telsiz haberleşme ihtiyaçları arttıkça, çift yönlü karasal mobil telsiz sistemleri analogdan sayısala doğru evrilmiştir. Sayısal telsizler analog telsizle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0072c6d90cddac1886714b9aeb8eb395
https://dergipark.org.tr/tr/pub/gazimmfd/issue/37326/416374
https://dergipark.org.tr/tr/pub/gazimmfd/issue/37326/416374