[1] He Bo, Du Yan, Cao Luhui, Li Jun, et al. An iterative reaching-diversity bound detectorfor MIMO SC-FDE systems [J]. Journal of Southeast University (English Edition), 2023, 39 (1): 62-67. [doi:10.3969/j.issn.1003-7985.2023.01.007]

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An iterative reaching-diversity bound detectorfor MIMO SC-FDE systems()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

39

Issue:

2023 1

Page:

62-67

Research Field:

Information and Communication Engineering

Publishing date:

2023-03-20

Info

Title:

An iterative reaching-diversity bound detectorfor MIMO SC-FDE systems

Author(s):

He Bo¹;  Du Yan¹;  Cao Luhui²;  Li Jun³

¹School of Information Science and Engineering, Shandong University, Qingdao 266237, China
²Informazition Office, Shandong University, Jinan 250100, China
³School of Electronic Information Engineering, Qilu University of Technology(Shandong Academy of Sciences), Jinan 250353, China

Keywords:

receiving-diversity bound;  spatially multiplexed systems;  multiple-input-multiple-output(MIMO)single carrier-frequency-domain equalization(SC-FDE);  iterative detection algorithm

PACS:

TN929.5

DOI:

10.3969/j.issn.1003-7985.2023.01.007

Abstract:

To improve the detection reliability and reduce the computational complexity of multiple-input-multiple-output(MIMO)single carrier-frequency-domain equalization(SC-FDE)systems, a novel iterative signal detection algorithm, called iterative interference cancellation(IIC), is proposed. Moreover, a receive diversity lower bound(RDLB)is derived as a benchmark to evaluate the bit error rate performance. The proposed IIC utilizes the initial value provided by the basic linear equalization algorithm, progressively removes the inter-layer interference by the iterative process, and gradually improves the reliability of the detected results. The results indicate that the proposed IIC approaches to the RDLB at the E_b/N₀ of 9 dB and 16 dB for 4-ary and 16-ary quadrature amplitude modulations, respectively. The computational complexity of an iterative loop is linear to the number of transmit antennas, and the overall complexity is lower than that of a popular vertically Bell laboratory layered space-time detector when the antenna size is larger than 3×3. Therefore, the proposed algorithm remarkably enhances the reliability of MIMO SC-FDE systems with an antenna size of not less than 3×3 and is computationally efficient and practical even in large-dimension MIMO systems for 5th-generation(5G)or beyond 5G communications.

References:

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Memo

Memo:

Biographies: He Bo(1976—), female, Ph.D. candidate; Cao Luhui(corresponding author), female, senior engineer, caolh@sdu.edu.cn.
Foundation items: The National Natural Science Foundation of Shandong Province(No. 62071276), the Key Research and Development Project of the Ministry of Science and Technology(No. 2020YFC0833203).
Citation: He Bo, Du Yan, Cao Luhui, et al. An iterative reaching-diversity bound detector for MIMO SC-FDE systems[J].Journal of Southeast University(English Edition), 2023, 39(1):62-67.DOI:10.3969/j.issn.1003-7985.2023.01.007.

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