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Computer Science > Information Theory

arXiv:2202.06207 (cs)
[Submitted on 13 Feb 2022 (v1), last revised 16 Jun 2022 (this version, v2)]

Title:Performance of Downlink and Uplink Integrated Sensing and Communications (ISAC) Systems

Authors:Chongjun Ouyang, Yuanwei Liu, Hongwen Yang
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Abstract: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.
Comments: 8 figures
Subjects: Information Theory (cs.IT); Signal Processing (eess.SP)
MSC classes: 94A05
Cite as: arXiv:2202.06207 [cs.IT]
  (or arXiv:2202.06207v2 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.2202.06207

Submission history

From: Chongjun Ouyang [view email]
[v1] Sun, 13 Feb 2022 04:55:52 UTC (948 KB)
[v2] Thu, 16 Jun 2022 08:28:24 UTC (688 KB)
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