The Effectiveness of Distortion-Type PAPR and Total Degradation Reduction in OFDM Systems.
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| Názov: | The Effectiveness of Distortion-Type PAPR and Total Degradation Reduction in OFDM Systems. |
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| Autori: | Hou, Jun1 jhou@chd.edu.cn, Wang, Wei1 wei.wang@chd.edu.cn, Zhang, Yang1 yzhang_1102@163.com, Liu, Xinyi1 liuxinyi@chd.edu.cn |
| Zdroj: | IEEE Transactions on Broadcasting. Jun2020, Vol. 66 Issue 2, p372-377. 6p. |
| Predmety: | CUMULATIVE distribution function, ORTHOGONAL frequency division multiplexing, ERROR rates, PROBABILITY density function |
| Abstrakt: | Conventional peak-to-average power ratio (PAPR) reduction metrics including bit error rate (BER) and complementary cumulative distribution function (CCDF) can hardly reveal the overall effectiveness of a distortion-type PAPR technique. To remedy this drawback, a new overall performance index, BER at various power consumption of a given HPA and channel noise level, is proposed. Furthermore, a novel triangular companding (TC) technique is also introduced to improve the system performance. Simulations demonstrate that the TC scheme outperforms other schemes in case of the proposed overall performance index and the conventional performance metrics for PAPR reduction. [ABSTRACT FROM AUTHOR] |
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| Databáza: | Business Source Index |
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