Towards versatile access networks
Ghoraishi, Mir; Alexiou, Angeliki; Cogalan, Tezcan; Conrat, Jean-Marc; De Guzman, Mar Francis; Devoti, Francesco; Eappen, Geoffrey; Fang, Chao; Frenger, Pål; Girycki, Adam; Guo, Hao; Halbauer, Hardy; Haliloglu, Omer; Haneda, Katsuyuki; Koffman, Israel; Kyösti, Pekka; Leinonen, Marko; Li, Yinggang; Madapatha, Charitha; Makki, Behrooz; Navarro-Ortiz, Jorge; Nguyen, Le Hang; Nimr, Ahmad; Pärssinen, Aarno; Pollin, Sofie; Pryor, Simon; Puerta, Rafael; Rahman, Md Arifur; Ramos-Munoz, Juan J.; Ranjbar, Vida; Roth, Kilian; Sarajlic, Muris; Sciancalepore, Vincenzo; Svensson, Tommy; Tervo, Nuutti; Wolfgang, Andreas (2023-06-06)
Mir Ghoraishi, et al. 2023. “Towards Versatile Access Networks” in Towards Sustainable and Trustworthy 6G: Challenges, Enablers, and Architectural Design. Edited by Ömer Bulakçı, Xi Li, Marco Gramaglia, Anastasius Gavras, Mikko Uusitalo, Patrik Rugeland and Mauro Boldi. pp. 40–120. Now Publishers. DOI: 10.1561/9781638282396.ch3.
© 2023 Mir Ghoraishi, et al. The work will be available online open access and governed by the Creative Commons “Attribution-NonCommercial” License (CC BY-NC), according to https://creativecommons.org/licenses/by-nc/4.0/.
https://creativecommons.org/licenses/by-nc/4.0/
https://urn.fi/URN:NBN:fi-fe20230922136202
Tiivistelmä
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 [2]. This release (3GPP Rel-18) package approval, in the fourth quarter of 2021, marked the start of the 5G Advanced evolution in 3GPP [3]. 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 [2].
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