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Connectivity Mode Management for User Devices in Heterogeneous D2D Networks
IEEE Wireless Communications Letters ( IF 6.3 ) Pub Date : 2021-01-01 , DOI: 10.1109/lwc.2020.3031222
S. Sinem Kafiloglu , Gurkan Gur , Fatih Alagoz

Device-to-Device (D2D) paradigm is one of the key enablers for boosting the energy efficiency (EE) of networks. For the actualization of EE in multi-mode heterogeneous D2D networks, resource allocation should be executed accordingly. In that regard, we study resource allocation management in heterogeneous D2D networks where there is a LEO satellite and a cellular base station (BS) with multi-mode user devices (satellite, BS and D2D connectivity modes) dispersed in the terrestrial cell. We formulate the EE optimization of mode selection constrained by a designated total network service capacity threshold. We also implement a sub-optimal pattern search algorithm (PSA) with the aim of enhancing EE while keeping total system service capacity at an acceptable level and compare it to alternative resource management schemes. Based on our simulation results, PSA achieves the most beneficial EE value in contrast to other schemes while still managing to meet the goodput threshold. Additionally, we discuss the multi-mode nature of our heterogeneous network from EE and goodput perspectives.

中文翻译:

异构 D2D 网络中用户设备的连接模式管理

设备到设备 (D2D) 范式是提高网络能效 (EE) 的关键推动因素之一。为了在多模异构 D2D 网络中实现 EE,应相应地执行资源分配。在这方面,我们研究异构 D2D 网络中的资源分配管理,其中有一个 LEO 卫星和一个蜂窝基站 (BS),多模用户设备(卫星、BS 和 D2D 连接模式)分散在地面小区中。我们制定了受指定总网络服务容量阈值约束的模式选择的 EE 优化。我们还实施了次优模式搜索算法 (PSA),目的是增强 EE,同时将总系统服务容量保持在可接受的水平,并将其与替代资源管理方案进行比较。根据我们的模拟结果,与其他方案相比,PSA 实现了最有益的 EE 值,同时仍能满足吞吐量阈值。此外,我们从 EE 和吞吐量的角度讨论了我们异构网络的多模式特性。
更新日期:2021-01-01
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