Integrated Sensing and Communication: 3GPP Standardization Progress
Haojin Li, Jiali Xu, Chen Sun, Shuo Wang, Xiaoxue Wang, Haijun Zhang
Abstract
Integrated sensing and communication (ISAC) aims to use the basic functions of the wireless communication system to achieve sensing (by sharing the same frequency, signalling, hardware, etc.). At the same time, the results of wireless sensing are used in turn to optimize wireless communication. In this way, it is possible to realize the dual promotion of wireless communication system and wireless sensing, improve and fully differentiate the spectrum utilization, and reach a high level of integration and simplification of the equipment, and achieve accurate sensing. This paper reports an ongoing study on ISAC conducted by the Service & System Aspects Work Group 1 (SA WG1) of the third generation partnership project (3GPP), which is defining to study use cases and potential requirements for the enhancement of the 5G systems (5GS) to provide ISAC services addressing various target verticals/applications. We summarize the objectives of the ISAC Study Item (SI), and discuss some of the most interesting proposed use cases discussed thus far. We also introduce the potential new requirement for 5GS as well as a summary of potential research objective pertaining to ISAC in standardization evolution.