| Budget Amount *help |
¥25,610,000 (Direct Cost: ¥19,700,000、Indirect Cost: ¥5,910,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥8,970,000 (Direct Cost: ¥6,900,000、Indirect Cost: ¥2,070,000)
Fiscal Year 2013: ¥15,340,000 (Direct Cost: ¥11,800,000、Indirect Cost: ¥3,540,000)
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| Outline of Final Research Achievements |
This study aims and investigates the realization of the passive multiple-input multiple-output (MIMO) technique offering a large data-transmission capacity by using multiple tag-antennas and multi-level modulation, where this system does not use the transmitter at the tag side. The test-bed for the passive MIMO evaluation was developed and its performance was experimentally studied. The experiment indicated that increasing the antennas at tag side improves anti-noise performance and bit-error-rate (BER) significantly. Furthermore, it was found that 12x12 passive MIMO achieves the data-rate higher than 2.4 Mbits/s over the air testing.
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