Abstract
Compared to its previous generations, the 5th generation (5G) cellular network features an additional type of densification, i.e., a large number of active antennas per access point (AP) can be deployed. This technique is known as massive multipleinput multiple-output (mMIMO) [1]. Meanwhile, multiple-input multiple-output (MIMO) evolution, e.g., in channel state information (CSI) enhancement, and also on the study of a larger number of orthogonal demodulation reference signal (DMRS) ports for MU-MIMO, was one of the Release 18 of 3rd generation partnership project (3GPP Rel-18) work item. This release (3GPP Rel-18) package approval, in the fourth quarter of 2021, marked the start of the 5G Advanced evolution in 3GPP. The other items in 3GPP Rel-18 are to study and add functionality in the areas of network energy savings, coverage, mobility support, multicast broadcast services, and positioning.
Original language | English |
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Title of host publication | Towards Sustainable and Trustworthy 6G |
Subtitle of host publication | Challenges, Enablers, and Architectural Design |
Editors | Ömer Bulakçı, Xi Li, Marco Gramaglia, Anastasius Gavras, Mikko Uusitalo, Patrik Rugeland, Mauro Boldi |
Publisher | NOW Publishers |
Pages | 40-120 |
Number of pages | 81 |
ISBN (Electronic) | 978-1-63828-239-6 |
ISBN (Print) | 978-1-63828-238-9 |
DOIs | |
Publication status | Published - 6 Jun 2023 |
MoE publication type | A3 Book section, Chapters in research books |