基于SSD的MC-TDMA系统抗衰落技术 |
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引用本文: | 庄陵,童开蒙,余贝.基于SSD的MC-TDMA系统抗衰落技术[J].科学技术与工程,2016,16(31). |
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作者姓名: | 庄陵 童开蒙 余贝 |
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作者单位: | 重庆邮电大学 移动通信技术重庆市重点实验室,重庆邮电大学 移动通信技术重庆市重点实验室,重庆邮电大学 移动通信技术重庆市重点实验室 |
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基金项目: | 重庆市教委科学技术研究项目(KJ1500435, KJ1400437) |
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摘 要: | 为了应对衰落效应对未来无线网稳定性和可靠性的巨大挑战,提出一种应用信号空间分集(signal space diversity,SSD)的多载波时分多址(multicarrier time division multiple access,MC-TDMA)系统。该系统利用MDFT滤波器组的天然特性,挖掘了MC-TDMA系统内部固有的调制分集增益。理论分析及各环境的仿真表明,SSD-MC-TDMA系统相比经典的MC-TDMA系统不仅具有更强的抗多径衰落能力,而且不会改变其优越的低峰均比(peak to average power ratio,PAPR)性能。
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关 键 词: | 衰落信道 多载波时分多址 滤波器组 信号空间分集 |
收稿时间: | 2016/5/24 0:00:00 |
修稿时间: | 2016/7/18 0:00:00 |
The technology to fighting Channel Fading of MC-TDMA based on SSD |
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Abstract: | To face the challenge to the stability and reliability of the future wireless networks brought with fading effect, a Multicarrier Time Division Multiple Access based on technology of Signal Space Diversity was proposed. Theoretical analysis and simulation results show that SSD-MC-TDMA not only has better performance of fighting channel fading compared with MC-TDMA, but also keep its superiority on PAPR. |
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Keywords: | fading channel Multicarrier Time Division Multiple Access filter bank Signal Space Diversity |
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