Multicast transmission for asynchronous unicast request merging = 비동기적 유니 캐스트 요청 병합을 통한 멀티캐스트 전송

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Mobile data traffic increased rapidly due to the spread of mobile devices such as smartphones and tablets. Therefore, the technology of efficiently transmitting data have become indispensable for base stations to serve a large amount of traffic in time. Multicasting is one of the representative scheme to transmit data efficiently when transmitting the same data for many users. Many papers have studied multicasting for simultaneous user requests. In this paper, we consider multicasting for asynchronous request for multiple users case. We propose a multicasting scheme to merge the multiple unicast transmission into multicast transmission by grouping the users who request the same file during “set-up time”. Through analyzing the mathematical model of our proposed scheme, we suggest the algorithm to find joint optimal pair of rate and set-up time to minimize average transmission time for group users. In conclusion, we confirmed that unicast merging could reduce the average transmission time of users in a group.
Advisors
Choi, Wanresearcher최완researcher
Description
한국과학기술원 :전기및전자공학부,
Publisher
한국과학기술원
Issue Date
2019
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학부, 2019.2,[ii, 22 p. :]

Keywords

Asynchronous request▼amulticasting▼aresource merging▼aset-up time▼arate adaption; 비동기적 요청▼a멀티캐스팅▼a자원 병합▼a셋-업 시간▼a전송률 선택

URI
http://hdl.handle.net/10203/266969
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=843422&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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