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author:

丁鹏鹏 (丁鹏鹏.) [1] | 和青山 (和青山.) [2]

Abstract:

正交时频空(Orthogonal Time Frequency Space,OTFS)调制技术和索引调制(Index Modulation,IM)技术适用于高移动性场景,具有高频谱效率等优势,在图像传输领域应用前景广泛。然而,结合索引调制的正交时频空(Orthogonal Time Frequency Space with Index Modulation,OTFS-IM)调制技术的算法实现复杂度较高。对此,在广义近似消息传递(Generalized Approximate Message Passing,GAMP)的基础上改进,提出一种基于概率排序的阻尼广义消息传递算法。实验结果表明,在图像传输应用中,与传统的最小均方误差结合最大似然方案(Minimum Mean Squared Error with Maximum Likelihood,MMSEML)相比,所提的算法具有更低的复杂度,性能也优于传统的MMSE-ML传输方案。

Keyword:

图像传输 复杂度 广义消息传递(GAMP) 结合索引调制的正交时频空(OTFS-IM)

Community:

  • [ 1 ] 福州大学先进制造学院

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Source :

电视技术

ISSN: 1002-8692

CN: 11-2123/TN

Year: 2023

Issue: 12

Volume: 47

Page: 28-33

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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