Power Allocation and User Assignment Scheme for Beyond 5G Heterogeneous Networks
Khush Bakht, Furqan Jameel, Zain Ali, Wali Ullah Khan, Imran Khan,, Guftaar Ahmad Sardar Sidhu, and Jeong Woo Lee

TL;DR
This paper proposes a joint power allocation and user assignment scheme for cognitive radio-based heterogeneous networks in beyond 5G, addressing spectrum scarcity with an efficient dual decomposition approach.
Contribution
It introduces a novel joint optimization method for power and user assignment in CR-based HetNets, considering interference constraints and primary network protection.
Findings
Proposed scheme outperforms baseline techniques in simulations.
Efficient dual decomposition approach achieves optimal user assignment.
Addresses spectrum scarcity challenges in beyond 5G networks.
Abstract
The issue of spectrum scarcity in wireless networks is becoming prominent and critical with each passing year. Although several promising solutions have been proposed to provide a solution to spectrum scarcity, most of them have many associated tradeoffs. In this context, one of the emerging ideas relates to the utilization of cognitive radios (CR) for future heterogeneous networks (HetNets). This paper provides a marriage of two promising candidates (i.e., CR and HetNets) for beyond fifth generation (5G) wireless networks. More specifically, a joint power allocation and user assignment solution for the multi-user underlay CR-based HetNets has been proposed and evaluated. To counter the limiting factors in these networks, the individual power of transmitting nodes and interference temperature protection constraints of the primary networks have been considered. An efficient solution is…
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Taxonomy
TopicsAdvanced MIMO Systems Optimization · Cognitive Radio Networks and Spectrum Sensing · Full-Duplex Wireless Communications
