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[Travelling Notes] Jeju Island : A World Natural Heritage from Korea (Indonesian Version)
*Seperti yang telah diceritakan secara singkat di POST ini. Traveling atau bertamasya merupakan salah satu hobi dan kegiatan saya selama tinggal di Korea Selatan di sela-sela tugas saya selama menjadi mahasiswa S-2. Banyak sekali tempat wisata yang sangat indah disana. Namun banyak sekali pelancong yang hanya mengetahui Seoul yang merupakan ibukota negara sebagai pusat wisata di Korea […]
[Algorithm World] RSA Algorithm for Data Encryption and Decryption
Source : techtarget RSA is a cryptosystem for public-key encryption, and is widely used for securing sensitive data, particularly when being sent over an insecure network such as the Internet. RSA was first described in 1977 by Ron Rivest, Adi Shamir and Leonard Adleman of the Massachusetts Institute of Technology. Public-key cryptography, also known as […]
[Travelling Notes] Enjoying Seoul From Inwangsan Peak (Indonesian version)
*Seperti yang telah diceritakan secara singkat di POST ini. Berkunjung di Seoul tidak afdol jika belum merasakan sensasi naik gunung berbatu yang bertebaran di kota tak kenal lelah setiap harinya ini. Kota Seoul memang memiliki dataran yang beraneka ragam mulai yang datar di pusat kota sampai dengan bukit-bukit dan pegunungan yang mengisi di pinggir maupun di tengahnya. […]
[Collaboration Book 2016] Wonderful Travelling Experiences in South Korea
In the late 2015, one of UGM Korean Language and Studies program’ lecturer gave me an opportunity to write my experiences conquering many wonderful places in South Korea along with some Indonesian people living there. As a result, an amazing collaboration book in Bahasa Indonesia was created. This book were presented by International Association of Korean […]
[Wireless Network] A Brief Introduction to LTE-U (LTE Advanced in Unlicensed Spectrum)
Spectrum is life-blood of wireless networks. Licensed spectrum is operators’ first choice, as it provides reliability, and predictable performance. Hence the industry is hard at work to make best use of existing spectrum and looking for more licensed spectrum via traditional auctions and innovative paradigms such as authorized/licensed shared access (ASA/LSA). At the same time, […]
[Wireless Network] Introduction to Multipath TCP (MPTCP)
MPTCP is an evolution of TCP that allows a concurrent use of multiple interfaces for a single TCP session. If the both sides of a TCP connection are MPTCP-capable (otherwise a legacy TCP will be used between them), multiple subflows are established over different data paths, i.e., multiple network interfaces, and the MPTCP sender spreads TCP segments over the subflows. Spreading […]
[Wireless Network] 802.11e QoS and Rate Adaptation
As the follow up from Wi-Fi Introduction, other requirements called Quality of Service and Rate Adaptation for WLAN were introduced to understand its channel access (EDCA and HCCA). The detail presentation can be seen below. [gview file=”http://yurissaputra.staff.ugm.ac.id/files/2016/07/Yuris_20140327_802.11e-and-Rate-Adaptation.pdf”]
[Wireless Network] Basics of Wi-Fi
Once in 2015, I was requested by my former supervisor to present this Wi-Fi Introduction in Mobile Computing class for M.S degree students in Department of Electrical and Information Engineering, Seoul National University of Science and Technology. Check it out for the detail presentation below. [gview file=”http://yurissaputra.staff.ugm.ac.id/files/2016/07/Yuris_20140310_Basics-of-Wi-Fi_ver2.pdf”]
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