Spectrum for Private Networks: Challenges and Opportunities—A Case Study Based on Danish Regulation

Abstract

This paper investigates the challenges and opportunities for assigning spectrum for private 5G networks, with particular emphasis on the 3.5 GHz band and regulation issued by the Danish spectrum authority Energistyrelsen. We are chiefly interested in the dilemma between providing sufficient and clean spectrum for a private network versus ensuring that high network density can be supported. Indoor and outdoor scenarios are considered, and the performance impact of interference on different levels of service availability are investigated. We develop and propose new solutions for enhanced spectrum regulation options leveraging native 5G features, such as bandwidth part, to support denser outdoor and indoor deployments that can enhance best effort traffic and simultaneously protect spectrum for critical and delay sensitive traffic. System-level simulations show that our proposals can protect critical services and significantly increase the capacity per network in dense deployments.

Experimental Demonstration of Wave Source Location Estimation Method for Spectrum Sharing in 28-GHz-Band 5G System

“…ŶTx,(i) , (17) where ⌈•⌉ denotes the ceiling function, α is the trimming percentage, N comb is the number of combinations of the two Rx locations, and XTx,(i) and ŶTx,(i) are the i-th sorted values of XTx,k,k ′ and ŶTx,k,k ′ , respectively. The UCA antenna [40], [41] was adopted as the Rx array antenna.…”

“…Local and private 5G networks are assumed to be deployed in specific areas. To efficiently reuse limited spectrum resources among different networks, spectrum sharing techniques have been investigated [10], [11], [12], [13], [14], [15], [16], [17]. In [10], a 5G heterogeneous network consisting of multiple primary networks with channels available to secondary users was studied, and a network selection and channel allocation method was proposed to minimize the VOLUME 11, 2023 This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.…”