The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this paper, we investigate the hexagonal multicarrier faster-than-Nyquist (MFTN) signaling, which is considered to be a more promising technique than conventional rectangular MFTN in future communication systems. Specifically, different from previous works that mainly focused on the minimal Euclidean distance (or Mazo limit), we study the intersymbol interference (ISI) and/or intercarrier interference...
In this letter, a novel maximizing signal-to-interference ratio (max-SIR) time–frequency packing scheme for multicarrier faster-than-Nyquist signaling is proposed. The proposed scheme is based on the low complexity symbol-by-symbol detector. Specifically, we optimize the time–frequency spacing under the given signaling efficiency to maximize the SIR, i.e., the ratio between the energy of useful signal...
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...
Factory automation is one of the challenging use cases that the fifth generation, 5G, networks are expected to support. It involves mission-critical machine-type communications, MTC, with requirements of extreme low-latency and ultra-reliable communication to enable real-time control of automation processes in manufacturing facilities. In this paper, we discuss the deployment strategies for the 5G...
Heterogeneous network (HetNet) where the macro cells are underlaid with low power node (LPN) has been introduced to HSPA+ to enhance the system performance in a cost-efficient way. But the Uplink and Downlink (UL-DL) mismatch issue caused by applying the heterogeneous deployment will inevitably limit the performance in both uplink and downlink HSPA+ system. To mitigate the UL-DL mismatch effect, E-DCH...
Since both transmission power and modulation method can be varied in Mobile Ad hoc Networks (MANETs), it is necessary to take power control and rate adaptation into account when dealing with routing problems. In this paper, we propose a Q-Learning-based Rate-aware Power-Controlled Routing scheme (QLRPCR) to address the joint optimization of power, rate and routing in an on-demand and distributed manner...
Heterogeneous network (HetNet) has been studied earlier in the context of LTE. But lately, there are also some discussions about HetNet in HSPA. Cross-tier interference (CTI) is an annoying issue to be investigated in the co-channel HSPA HetNet (CHH) scenario. In this paper, we will focus on the downlink CTI problem in CHH and propose a solution to mitigate it. Our scheme involves the macro muting...
Frequent changes in topology and link quality in mobile ad-hoc networks (MANETs) present challenging problems in achieving optimal performance. We propose a self-learning routing protocol based on Q-learning that makes use of Quality of Service (QoS) parameters such as Signal to Interference plus Noise Ratio (SINR), delay and throughput, to make routing decisions. At the same time, a Bayesian Network...
In this paper, the influence of feedback channel delay on system throughput of the cooperative multi-cell system with adaptive beamforming selection is discussed. On the one hand, multi-cell cooperative processing (MCP) has the potential to boost spectral efficiency and improve fairness among users. However, the traditional centralized multi-cell cooperative scheme, where a central processing unit...
In order to increase the network capacity and improve the network performance of wireless mesh networks (WMNs), a possible solution is to make the nodes equipped with multiple radios which tuned on multiple non-overlapping channels. Efficient channel assignment is necessary for throughput optimization of mesh nodes. This paper proposed a novel channel assignment algorithm which is very suitable for...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.