| Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2009: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
Fiscal Year 2008: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
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| Research Abstract |
In this study, field trials of cooperative multi-hop relaying are conducted. In this experiments, the source and the destination stations utilize two relay stations on the top of the buildings. These relay stations forward a received packet on the same carrier frequency simultaneously by applying Alamouti's space-time coding. This technique improves the transmission performance due to space diversity. Performance improvements in actual propagation environments are confirmed by the field trials.
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