Principles，technologies and challenges of OQAM-OFDM for 5G applications

Jun LI; Yuan TIAN; Yu QIU; Da CHEN; Tao JIANG

doi:10.11959/j.issn.1000-0801.2016157

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Principles，technologies and challenges of OQAM-OFDM for 5G applications

Topic:5G | 更新时间：2024-06-05

- Principles，technologies and challenges of OQAM-OFDM for 5G applications
- Telecommunications Science Vol. 32, Issue 6, Pages: 15-19(2016)
- 作者机构：
- 作者简介：
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- DOI：10.11959/j.issn.1000-0801.2016157
  CLC： TP393
- Published Online：2016-06，
  
  Published：20 June 2016
- 稿件说明：
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Jun LI, Yuan TIAN, Yu QIU, et al. Principles，technologies and challenges of OQAM-OFDM for 5G applications[J]. Telecommunications science, 2016, 32(6): 15-19.
DOI：

Jun LI, Yuan TIAN, Yu QIU, et al. Principles，technologies and challenges of OQAM-OFDM for 5G applications[J]. Telecommunications science, 2016, 32(6): 15-19. DOI： 10.11959/j.issn.1000-0801.2016157.

摘要

OFDM因其本身存在的技术缺陷，已经很难满足未来5G支持更多通信设备连接和多样化通信场景的需求。作为OFDM技术的一种替代方案，OQAM-OFDM技术采用了具有良好频域聚焦特性的原型滤波器，为其在5G中的应用提供了广阔的前景。首先简要介绍OQAM-OFDM系统的基本原理和特性，在此基础上，进一步分析其在5G应用中的优势，最后阐述了OQAM-OFDM应用在5G中的关键技术问题，包括拖尾抑制等。

Abstract

5G will need to be able to support much larger connections of communication devices and meet the requirements of diverse scenarios.However，this requirement cannot be met by OFDM（orthogonal frequency division multiplexing）due to its own drawbacks.As an alternative approach to OFDM，OQAM-OFDM （offset quadrature amplitude modulation based orthogonal frequency division multiplexing）adopts a prototype filter that is well localized in frequency domain，which makes OQAM-OFDM quite suitable for 5G.The OQAM-OFDM system was briefly introduced，then，its superiority employed in 5G was deeply discussed.Finally，some key technical issues of OQAM-OFDM for application in 5G were summarized，such as tail shortening.

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references

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