比奈奎斯特信号更快的频谱整形

2014 11th International Symposium on Wireless Communications Systems (ISWCS) Pub Date : 2014-10-23 DOI:10.1109/ISWCS.2014.6933404

Marwa El Hefnawy, G. Dietl, G. Kramer

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引用次数: 7

摘要

频谱整形应用于FTN (Faster-Than-Nyquist)信令以提高信息速率。在发射功率约束下，最佳形状是反滤波器，但对于根提升余弦脉冲，这需要在形状输入处的无限功率。因此，在成形器处同时施加输入和输出功率约束是一种既能最大化信息率又能保证实用性的解决方案。

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Spectral shaping for faster-than-Nyquist signaling

Spectral shaping is applied to Faster-Than-Nyquist (FTN) signaling to improve information rates. Under a transmit power constraint, the best shape is an inverse filter but for root raised cosine pulses this requires infinite power at the shaper input. Both input and output power constraints at the shaper are thus proposed as a solution to maximize the information rate while still guaranteeing practicality.

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2014 11th International Symposium on Wireless Communications Systems (ISWCS)

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