Mobile Multimedia Metropolitan Area Network

被引:0
|
作者
Yamada, Takahiko [1 ]
Hoa, Phan Thanh [1 ]
机构
[1] Ritsumeikan Univ, Dept VLSI design, Informat Syst Lab, Kusatsu 5258577, Japan
关键词
MM-MAN; fast moving terminal; EMC; parallel polling; simulation results;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper introduces our project named MM-MAN (Mobile Multimedia Metropolitan Area Network) aiming to provide high-bit rate packet transfer to fast-moving terminals in a micro-cellular network. One of the advanced services assumed in MM-MAN is a LAN extension to the cellular network. This paper fast presents advantages of MM-MAN compared with a mobile network constructed with a double tier-cell configuration. To support a fast move of terminal, we propose LMC (Logical Macro Cell) concept and parallel polling mechanism. Adjacent cells are grouped into a multicast-based LMC at which the same data packets destined to a mobile user buffered to eliminate a re-transmission delay. Moreover, this LMC is not static but switched over together with a change of mobile user to a new cell. In the wireless section, instead of contending for channel of a new cell that causes unbounded delay, polls are sent,from neighboring cells to reserve channels for mobile users at these cells. We call it a parallel polling mechanism. Our simulation results reveal that the parallel polling and dynamic LMC work well to offer smooth high-data rate to,fast mobile users with a moving speed up to 250km/h in the microcellular environment without any obstacle.
引用
收藏
页码:307 / 314
页数:8
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