Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/12408
Title: A Novel Access Point Deployment Framework for mmWave Cell-Free Massive MIMO Networks
Authors: Alp Topal, Ozan
Tugfe Demir, Ozlem
Bjornson, Emil
Cavdar, Cicek
Keywords: Millimeter Wave Communication
Optimization
Resource Management
Massive Mimo
Antennas
Ray Tracing
Quality Of Service
Precoding
Ofdm
Interference
Access Point Deployment
Functional Splitting
Millimeter Wave Communications
Mixed-Integer Optimization
Ray-Tracing
Publisher: IEEE-Inst Electrical Electronics Engineers inc
Abstract: Millimeter-wave network deployment is an essential and ongoing problem due to the limited coverage and expensive network infrastructure. In this work, we solve a joint network deployment and resource allocation optimization problem for a mmWave cell-free massive MIMO network considering indoor environments. The objective is to minimize the number of deployed access points (APs) for a given environment, bandwidth, AP cooperation, and precoding scheme while guaranteeing the rate requirements of the user equipments (UEs). Considering coherent joint transmission (C-JT) and non-coherent joint transmission (NC-JT), we solve the problem of AP placement, UE-AP association, and power allocation among the UEs and resource blocks jointly. For numerical analysis, we model a mid-sized airplane cabin in ray-tracing as an exemplary case for IDS. Results demonstrate that a minimum data rate of 1Gbps can be guaranteed with less than 10 APs with C-JT. From a holistic network design perspective, we analyze the trade-off between the required fronthaul capacity and the processing capacity per AP, under different network functional split options. We observe an above 600Gbps fronthaul rate requirement, once all network operations are centralized, which can be reduced to 200Gbps under physical layer functional splits.
URI: https://doi.org/10.1109/TWC.2025.3542900
ISSN: 1536-1276
1558-2248
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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