| Budget Amount *help |
¥12,090,000 (Direct Cost: ¥9,300,000、Indirect Cost: ¥2,790,000)
Fiscal Year 2016: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
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| Outline of Final Research Achievements |
As a scheme realizing a transmission rate that approaches the Shannon limit―supremum of rates such that error-free transmission is achievable, spatially coupled coded modulation has been proposed. The main result is to provide an intuitive and rigorous proof of spatial coupling effect in iterative demodulation―all signals can be successfully demodulated, with no occurrence of error propagation, meaning that demodulation errors in part of signals affect demodulation performance for the other signals. Also, as applications of spatial coupling, channel estimation and faster-than-Nyquist signaling were theoretically analyzed.
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