Abstract
Extended reality (XR) has recently attracted high interest of both academia and industry, which has led to a 3GPP study on architecture enhancement for XR and media services (XRM). This paper provides a survey of 3GPP standardization process of XR services. We first investigate the application sectors that could take advantage of XR services, and then discuss the key points for architecture enhancement in Release 18. Furthermore, we describe the extension of XRM study item in Release 19. Finally, the technical directions of XR services in future 6G network are presented.
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