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With the continuous increase of mobile Internet traffic, the user-centric ultra-dense network (UUDN) is proposed as one of the promising solutions to provide very high area throughput density and flexible access service for users. The limited radio resources cause serious competition among numerous APs. Thus, Non-orthogonal multiple access (NOMA), which supports multiple signals transmission on the...
Ultra Dense network (UDN) is considered as one of the promising and efficient communication solution for high throughput and large connection numbers scenarios. Due to the densification of the users perspective and massive-access opportunities, how to optimize the multiple users access in UDN is an important and complicated problem. The traditional multi-user access schemes may be no longer suitable...
Mobile devices are in general resource-constrained, having limited computation resource and battery life. It is a significant challenge to resolve the contradiction between resource-hungry applications and resource-constrained mobile devices. As a promising approach to address such a challenge, computation offloading enables mobile users to offload computation to nearby resource-rich cloud infrastructure...
Recently, the increasing number of antennas makes the resource allocations of the massive multi-input multi-output (MIMO) networks become more complicated, and diminish the advantages of higher space diversity. In this paper, we focus on antenna selection with the uplink feedback with the signaling overhead reduced, as well as the power allocation scheme aiming of the spectrum efficiency (SE) improving...
Device-to-device (D2D) communication has been regarded as a major technology to improve spectrum utilization and to offload the traffic from cellular base station. D2D peer discovery, as a critical procedure, attracts a lot of attentions. Furthermore, combination with the mobile social network (MSN) is an efficient solution to improve the establishment of D2D pairs. However, limited work has been...
Self-healing is expected as one of the fundamental functionalities to alleviate the impact of unforeseen network failure and maintain normal operation autonomously in future wireless network. However, the dynamic topology and complex communications environment bring significant challenges for enabling self-healing functionality in ultra dense network(UDN). Thus, to provide a reliable and seamless...
Due to the heterogeneity and versatility of emerging services and applications in wireless networks, it has been a great challenge on improving the network utility by taking advantage of the spatial and temporal diversity of radio resource consumption. This paper is committed to solving this problem by introducing a service-aware spectrum sharing algorithm (SSA) in a joint radio resource management...
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