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A reconfigurable computing architecture for 5G communication

一种面向5G 通信的可重构计算架构

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Abstract

5G baseband signal processing places greater real-time and reliability requirements on hardware. Based on the architecture of the MaPU, a reconfigurable computing architecture is proposed according to the characteristics of the 5G baseband signal processing. A dedicated instruction set for 5G baseband signal processing is proposed. The corresponding functional units are designed for reuse of hardware resources. A redirected register file is proposed to address latency and power consumption issues in internetwork. A two-dimensional code compression scheme is proposed for cases in which the use ratio of instruction memory is low. The access mode of the data memory is extended, the performance is improved and the power consumption is reduced. The throughput of 5G baseband processing algorithm is one to two orders of magnitude higher than that of the TMS320C6670 with less power consumption. The silicon area evaluated by layout is 5.8 mm2, which is 1/6 of the MaPU’s. The average power consumption is 0.7 W, which is 1/5 of the MaPU’s.

摘要

5G 基带信号处理对硬件提出了更高的实时性和可靠性要求。基于MaPU 的体系结构,根据5G 基带信号处理的特点,本文提出了一种可重构的计算体系结构。首先,提出了一种用于5G 基带信号 处理的专用指令集,并完成了相应的功能单元的硬件资源复用设计,然后,提出了重定向寄存器文件 来解决互联网络中的延迟和功耗问题。针对指令存储器的使用率低的情况,提出了二维码压缩方案。 并扩展了数据存储器的访问模式,使性能得到改善,功耗明显降低。本架构的5G 基带处理算法的吞 吐量比TMS320C6670 高出一到两个数量级,功耗更低。布局评估的硅面积为5.8 mm2,是MaPU 面 积的1/6。平均功耗为0.7 W,是MaPU 的1/5。

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Authors and Affiliations

  1. Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China

    Yang Guo  (郭阳), Zi-Jun Liu  (刘子君), Lei Yang  (杨磊), Huan Li  (李桓) & Dong-lin Wang  (王东琳)

  2. University of Chinese Academy of Sciences, Beijing, 100049, China

    Yang Guo  (郭阳)

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  1. Yang Guo  (郭阳)
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  2. Zi-Jun Liu  (刘子君)
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  3. Lei Yang  (杨磊)
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  4. Huan Li  (李桓)
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  5. Dong-lin Wang  (王东琳)
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Correspondence to Yang Guo  (郭阳).

Additional information

Foundation item: Project(XDA-06010402) supported by the Strategic Priority Research Program of Chinese Academy of Sciences; Project (Y5S7061G51) supported by the Youth Innovation Promotion Association of Chinese Academy of Sciences

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Guo, Y., Liu, ZJ., Yang, L. et al. A reconfigurable computing architecture for 5G communication. J. Cent. South Univ. 26, 3315–3327 (2019). https://doi.org/10.1007/s11771-019-4255-8

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