Bi-Static Sensing with 5G NR Physical Uplink Shared Channel Transmission
Tapio, Visa; Tervo, Nuutti; Leinonen, Marko E.; Pärssinen, Aarno (2024-09-03)
IEEE
03.09.2024
V. Tapio, N. Tervo, M. E. Leinonen and A. Pärssinen, "Bi-Static Sensing with 5G NR Physical Uplink Shared Channel Transmission," 2024 IEEE 4th International Symposium on Joint Communications & Sensing (JC&S), Leuven, Belgium, 2024, pp. 1-6, doi: 10.1109/JCS61227.2024.10646307.
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© 2024 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202409125820
https://urn.fi/URN:NBN:fi:oulu-202409125820
Tiivistelmä
Abstract
The sharing of radio resources between communication and sensing applications is expected be one of the key features of future wireless systems. In many cases, the research towards the joint communication and sensing (JCAS) or integrated sensing and communication (ISAC) systems concentrate on the waveform design. However, transmissions of current wireless systems, such as the 5G, include pilot, or reference signals for synchronization and channel estimation. In this paper, the use of 5G uplink transmissions for target localization in a bi-static setting is studied. The bi-static approach for JCAS enables to realize sensing without need for changes in network architecture or node hardware. The shortcoming in the uplink transmission-based JCAS is the limited transmit power at an user equipment, which results in short sensing ranges, and the dynamic range problem caused by the imbalance in path losses between the transmitter - receiver and transmitter - target - receiver links.
The sharing of radio resources between communication and sensing applications is expected be one of the key features of future wireless systems. In many cases, the research towards the joint communication and sensing (JCAS) or integrated sensing and communication (ISAC) systems concentrate on the waveform design. However, transmissions of current wireless systems, such as the 5G, include pilot, or reference signals for synchronization and channel estimation. In this paper, the use of 5G uplink transmissions for target localization in a bi-static setting is studied. The bi-static approach for JCAS enables to realize sensing without need for changes in network architecture or node hardware. The shortcoming in the uplink transmission-based JCAS is the limited transmit power at an user equipment, which results in short sensing ranges, and the dynamic range problem caused by the imbalance in path losses between the transmitter - receiver and transmitter - target - receiver links.
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