电信线路
计算机科学
信噪比(成像)
电子工程
频分复用
通信系统
电信
计算机网络
正交频分复用
工程类
频道(广播)
作者
Chongjun Ouyang,Yuanwei Liu,Hongwen Yang
出处
期刊:IEEE Wireless Communications Letters
[Institute of Electrical and Electronics Engineers]
日期:2022-09-01
卷期号:11 (9): 1850-1854
被引量:17
标识
DOI:10.1109/lwc.2022.3184409
摘要
This letter analyzes the fundamental performance of integrated sensing and communications (ISAC) systems. For downlink and uplink ISAC, the diversity orders are analyzed to evaluate the communication rate (CR) and the high signal-to-noise ratio (SNR) slopes are unveiled for the CR as well as the sensing rate (SR). Furthermore, the achievable downlink and uplink CR-SR regions are characterized. It is shown that ISAC can provide more degrees of freedom for both the CR and the SR than conventional frequency-division sensing and communications systems where isolated frequency bands are used for sensing and communications, respectively.
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