## 1 Introduction
This configuration enables massive MIMO to concurrently accommodate multiple UE channels, significantly enhancing the spectral efficiency of wireless networks to meet 6G and beyond network requirements [10]. Additionally, mMIMO offers increased degrees of freedom in interference coordination. However, to compensate for the increased path loss in the high-frequency band [12], mmWave BSs require massive antenna arrays to attain substantial gains. Consequently, the use of higher-gain arrays in mmWave BSs may lead to an increase in the heat sensation on human skin in the proximity of High-Power Node (HPN) base stations. In the Distributed Base Station (DBS) architecture, the fronthaul link plays a pivotal role in transferring the data from the Remote Radio Heads (RRHs) back into the central unit known as the Base Band Unit (BBU). A significant advantage of this architecture is its seamless integration with the Cloud Radio Access Network (C-RAN), facilitating a powerful combination of cloud processing and the DBS architecture, significantly reducing computational complexity in wireless mobile networks and minimizing latency by leveraging the powerful capabilities of a vast number of Virtual Base Stations (VBSs) with parallel processing [13]. Furthermore, the adoption of C-RAN allows different networks to efficiently share their infrastructure (towers and equipment), fostering a more resource-efficient and collaborative ecosystem. In this regard, the research and industry should focus on unifying the digital markets of wireless networks, achieving multi-tenancy with major stakeholders [14]. The layout of the DBS architecture is illustrated in Figure 3, showcasing its structural components and connectivity. Figure 3: The DBS architecture. Numerous studies have been dedicated to investigating the interaction of NIR from the mmWave band with the human body. For instance, the authors of [15] explored the effects of Maximum Permissible Exposure (MPE) levels at 60 GHz (free licensed band) on human cell membranes using Low-Power Nodes (LPNs) with a power density of 10 to 100 mW/cm\({}^{2}\). In [16], researchers delved into the thermal response of human tissue exposed to the radiation of mmWave transmitters, concluding that a steady-state temperature (ssT) increase occurs in human cell membranes when a base station radiates at certain power levels. [PERSON] et al. [7] considered the impact of NIR on the human body and suggested that measuring the ssT is preferable to power density (PD) when mmWave transmitters are in close proximity to the human body. In terms of specific exposure scenarios, ref. [17] investigated near-field radiation from transmitting nodes at mmWave frequencies, demonstrating significant radiation absorption on the user's ear during calling and on their fingers during browsing. Electromagnetic field (EMF) radiation in the mmWave frequencies is evaluated in [18]; the authors conducted empirical assessments at 28 GHz using horn and path antenna types, evaluating the power density based on the E-field. The resultant heat increase due to the exposure to EMF within the 6 GHz to 1 THz range was studied in [19] across different exposure scenarios. Regarding human tissue proximity to 6G-transmitting nodes at mmWave frequencies above 24 GHz, ref. [20] explored the absorption of EMF energy, concluding that the heat effect was negligible in comparison to public safety margins. Additionally, the work in [21] conducted resonant heating experiments at 24 and 28 GHz on individual insects, presenting exposure impact results and suggesting that NIR exposure could alter termite behavior and potentially be lethal to them. Furthermore, the impact of NIR on the human body was analyzed and demonstrated in [22], where safety standards were examined and benchmarked in the best healthcare services of different countries. The development of the Reconfigurable Intelligent Surface (RIS) can play a major role in network design and beamforming selection.