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High Capacity Mobile Multi-Hop Relay Network for Temporary Traffic Surge
Ju-Ho LEE Goo-Yeon LEE Choong-Kyo JEONG
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/06/01
Online ISSN: 1745-1361
Type of Manuscript: LETTER
Category: Information Network
MMR, IEEE 802.16j, sub-cell, parallel transmission, capacity,
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Mobile Multi-hop Relay (MMR) technology is usually used to increase the transmission rate or to extend communication coverage. In this work, we show that MMR technology can also be used to raise the network capacity. Because Relay Stations (RS) are connected to the Base Station (BS) wirelessly and controlled by the BS, an MMR network can easily be deployed when necessary. High capacity MMR networks thus provide a good candidate solution for coping with temporary traffic surges. For the capacity enhancement of the MMR network, we suggest a novel scheme to parallelize cell transmissions while controlling the interference between transmissions. Using a numerical example for a typical network that is conformant to the IEEE 802.16j, we find that the network capacity increases by 88 percent.