智能超表面系统的通信感知一体化：现状、设计与展望

doi:10.11959/j.issn.1000-0801.2022259

电信科学 ›› 2022, Vol. 38 ›› Issue (9): 36-49.doi: 10.11959/j.issn.1000-0801.2022259

• 专题：6G通感算融合技术 • 上一篇下一篇

智能超表面系统的通信感知一体化：现状、设计与展望

胡小玲, 于周源, 钱骁伟, 彭木根

北京邮电大学网络与交换技术国家重点实验室，北京 100876

修回日期:2022-09-05 出版日期:2022-09-20 发布日期:2022-09-01
作者简介:胡小玲（1993- ），女，博士，北京邮电大学信息与通信工程学院特聘副研究员、博士生导师，主要研究方向为通信感知一体化、智能超表面通信和AI赋能的无线感知等
于周源（1999- ），男，北京邮电大学信息与通信工程学院博士生，主要研究方向为智能超表面系统的通感一体化联合性能表征与信号处理方法
钱骁伟（1999- ），男，北京邮电大学信息与通信工程学院博士生，主要研究方向为智能超表面系统的通感一体化波束成形与资源分配
彭木根（1978- ），男，北京邮电大学信息与通信工程学院院长、教授、博士生导师，网络与交换技术国家重点实验室副主任，IEEE Fellow，中国电子学会会士，中国通信学会会士。主要研究方向为智简无线网络、空天地海一体化网络、通信感知计算融合等。曾获得国家技术发明奖二等奖、北京市科学技术奖一等奖、中国通信学会科学技术奖一等奖、中国专利银奖、求是杰出青年成果转化奖、IEEE 通信学会海因里希—赫兹奖等。担任《电信科学》副主编，IEEE IoT期刊指导委员会委员，IEEE Network、IEEE TVT、IEEE TNSE 等期刊的编委等
基金资助:
国家自然科学基金资助项目(62201084);国家重点研发计划项目(2021YFB2900200);中国通信学会青年人才托举项目(2021QNRC001)

Integrated sensing and communication in reconfigurable intelligent surface systems: status, design and outlook

Xiaoling HU, Zhouyuan YU, Xiaowei QIAN, Mugen PENG

State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China

Revised:2022-09-05 Online:2022-09-20 Published:2022-09-01
Supported by:
The National Natural Science Foundation of China(62201084);The National Key Research and Development Program of China(2021YFB2900200);The Young Elite Scientists Sponsorship Program by CIC(2021QNRC001)

摘要/Abstract

摘要：

通信感知一体化（integrated sensing and communication，ISAC）是6G的主流趋势，将ISAC引入智能超表面（reconfigurable intelligent surface，RIS）系统，具有扩展系统覆盖范围、提升通信和感知性能、降低系统成本和功耗三大优势。在概述和分析RIS系统ISAC研究现状的基础上，提出了两种非正交ISAC方法，支持盲区用户在非正交时频资源上的通信和感知，最后探讨了 RIS 系统 ISAC 的技术挑战和未来发展。

关键词: 通信感知一体化, 智能超表面, 主被动波束成形

Abstract:

Integrated sensing and communication (ISAC) is the dominant trend of the sixth generation mobile communication networks (6G).The introduction of ISAC into the reconfigurable intelligent surface (RIS) system can expand the system coverage, improve both communication and sensing performances, and reduce the hardware cost as well as the power consumption of the system.On the basis of outlining and analyzing the research status of ISAC in RIS systems, two non-orthogonal ISAC methods were proposed to support concurrent communication and sensing for blind-zone users on non-orthogonal time-frequency resources.Finally, the technical challenges and future development of ISAC in RIS systems were discussed.

Key words: integrated sensing and communication, reconfigurable intelligent surface, joint active and passive beamforming

中图分类号:

TP393

胡小玲, 于周源, 钱骁伟, 彭木根. 智能超表面系统的通信感知一体化：现状、设计与展望[J]. 电信科学, 2022, 38(9): 36-49.

Xiaoling HU, Zhouyuan YU, Xiaowei QIAN, Mugen PENG. Integrated sensing and communication in reconfigurable intelligent surface systems: status, design and outlook[J]. Telecommunications Science, 2022, 38(9): 36-49.

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分类	参考文献	RIS作用	通感性能评价指标	设计参数	CSI
RCC	[9]	抑制通感干扰	雷达检测概率SINR	联合优化基站和RIS波束成形	完美CSI
	[10]	抑制通感干扰	雷达SINR通信SINR	联合优化RIS和雷达波束成形	完美CSI
DFRC	[11]	协助盲区感知	雷达SINR通信SINR	联合优化基站和RIS波束成形	完美CSI
	[12-13]	增强通信和感知信号	雷达SNR通信SNR	联合优化基站和RIS波束成形	完美CSI
	[14]	抑制通信MUI	波束方向图MUI	联合优化一体化波形和RIS波束成形	完美CSI
	[15]	抑制通信MUI	CRLB MUI	联合优化一体化波形和RIS波束成形	完美CSI
正交ISAC	[23]	增强通感信号	定位误差界频谱效率	优化RIS波束成形	完美CSI
	[24]	增强通感信号	CRLB有效通信速率	联合优化基站和RIS波束成形以及通感时间分配比例	完美CSI
非正交ISAC	[25-26]	协助盲区通信和感知	通感SNR	联合优化基站和RIS波束成形	位置信息

智能超表面系统的通信感知一体化：现状、设计与展望

Integrated sensing and communication in reconfigurable intelligent surface systems: status, design and outlook

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