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Kai Xin, Jingyuan Zhao, Tianhui Wang, Weijun Gao and Qihui Zhang
This paper aims to provide data support for rural sustainable development through analyzing the spatio-temporal characteristics of the interactions of the outdoor thermal environment. The ordinary and representative rural settlements in the Guanzhong are...
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Ajmery Sultana and Xavier Fernando
Recently, the growing demand of various emerging applications in the realms of sixth-generation (6G) wireless networks has made the term internet of Things (IoT) very popular. Device-to-device (D2D) communication has emerged as one of the significant ena...
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Samuel D. Okegbile and Bodhaswar T. Maharaj
In this paper, we investigate users? performance under the hybrid spectrum access model in the massive cognitive radio network (CRN), where multiple primary users (PUs) and secondary users (SUs) transmit on the same channel simultaneously. SUs first dete...
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Jianfang Xin, Qi Zhu, Guangjun Liang and Tianjiao Zhang
In this paper, we focus on the performance analysis of device-to-device (D2D) underlay communication in cellular networks. First, we develop a spatiotemporal traffic model to model a retransmission mechanism for D2D underlay communication. The D2D users ...
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Hui Xu, Shuai Yuan, Zhengru Guo, Qingshan Zhang, Yanying Ma, Qiang Hao, Kun Huang, Min Li, Yuan Nie and Heping Zeng
We demonstrated a straightforward approach to generate red and near-infrared laser emissions by a Raman-assisted four wave mixing (FWM) process in a nonlinear Yb-doped fiber amplifier, delivering 342 fs pulses of 241 nJ at 864 nm, 834 fs pulses of 21 nJ ...
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Jeanette Orlowsky, Franziska Braun and Melanie Groh
The durability of eleven different water repellents applied on one sandstone type was studied after a long-term weathering at seven different locations in Germany. By measuring colour changes, it could be shown that the formation of black crusts, the dep...
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Mingshuang Jin, Hongbin Luo, Shuai Gao and Bohao Feng
Telco content delivery networks (CDNs) have envisioned building highly distributed and cloudified sites to provide a high-quality CDN service in the 5G era. However, there are still two open problems to be addressed. First, telco CDNs are operated upon t...
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Georgios Katsinis, Eirini Eleni Tsiropoulou and Symeon Papavassiliou
In this paper, the problem of interference mitigation in a multicell Device to Device (D2D) underlay cellular network is addressed. In this type of network architectures, cellular users and D2D users share common Resource Blocks (RBs). Though such paradi...
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Tae-Won Ban
In this paper, we investigate a resource management scheme for cellular underlaid device-to-device (D2D) communications, which are an integral part of mobile caching networks. D2D communications are allowed to share radio resources with cellular communic...
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Xinhua Wang
In this paper, both the spectrum efficiency (SE) and the energy efficiency (EE) are investigated for an uplink massive multiple-input multiple-output (MIMO) system coexisting with an underlay device-to-device (D2D) system. The outage probability and the ...
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