Spectral and Energy Efficient D2D Communication Underlay 5G Networks

Abstract

4G is now deployed all over the world, but requirements are about to change rapidly face to the exponential growth on devices number, local service applications and spectrum scarce. To deal with that, 5G networks integrated Device To Device (D2D) communication as a key technology in its evolving architecture. From 3GPP Rel-12 to Rel-16, D2D succeeded to improve network capacity by enhancing spectrum reuse, data rates and reducing end-to-end latency. However, despite all these advantages, it implies new challenges in 5G system design as interference, spectrum and energy consumption. As a contribution, we propose in this paper a joint spectrum and energy efficient resource allocation algorithm for D2D communications. This approach maximizes the total spectrum efficiency and reduces UEs power consumption. Contrarily to most of previous studies on resource allocation problems considering only centralized and pure strategies approaches, we propose a distributed algorithm based on new mathematical game theory model as an interpretation of mixed strategy non cooperative game. We extend our previous research, by focusing on power consumption issue. Our proposed solution enhances joint SE/EE tradeoff by minimizing interferences and power consumption via a smart RB allocation. This new approach allows users to adopt more accurate strategies and maximize their utilities according to the random network behavior.

Research on characterizing the high dynamic performance of distributed FANETs

“…For link states, signal-to-noise ratio (SNR) or signal-to-interference and noise ratio (SINR) and link outage probability of network are often used to characterize link randomness and high dynamicity [5][6]. In [7], an analytical expression is proposed to characterize link characteristics such as link lifetime, link outage probability and their distribution.…”

Energy Efficient Two-hop D2D Communications Underlay 5G Networks: A Stackelberg Game Approach

“…Digital Object Identifier (DOI): 10.24138/jcomss-2021-0008 as a key technology in the 5G networks to enable direct communication between close devices instead of conveying their data through the core network [1]. Its benefits include offloading the traffic from the eNodeB, enhancing the system capacity, the energy efficiency [2], and decreasing the latency due to the short signal traversal path [3].…”

Effect of Epidemic Interference on the Performance of M-ASK, M-PSK and M-QAM Modulation Schemes

“…In this case, the stationary model does not apply, and it is necessary to model the interference as a non-stationary random process. The fifth-generation cellular systems (5G) bring several new features, such as small cells, massive connections, communications for high-speed vehicles, and Device-to-Device (D2D) communications, [4]- [6]. In this way, new cellular environments will be more dynamic.…”