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The FD communication technique has been recently proposed as a new paradigm to increase the spectral efficiency of wireless systems. In this article, we investigate the application of FD communications to ultra-dense heterogeneous networks where small base stations can work in the FD mode. In such networks, it is a challenging task to coordinate various kinds of interference caused by FD communications,...
Non-orthogonal multiple access (NOMA) is a promising radio access technique for the next generation (5G) cellular communication. The optimal power control, user scheduling, and resource allocation scheme to maximize the overall network throughput of downlink NOMA systems is investigated in this paper. A practical imperfect channel state information (CSI) model is adopted in our investigation where...
This paper presents a novel design of ternary full adder (TFA) using hybrid single-electron transistor (SET) and MOS technology. The proposed circuit is evaluated using the Cadence Spectre simulator with 180nm CMOS technology and SET macro models under various test conditions. Results show that the proposed TFA dramatically reduces the number of transistors required with little or no loss in energy...
Single-electron-transistor (SET)/MOS hybrid architectures greatly simplify the design of traditional A/D converters, but are quite unreliable due to random background charges. We propose a method of implementing Boltzmann machine networks on hybrid ADCs for the improved immunity against background charges. The self-regulation with Boltzmann machines enables the digital outputs of ADC to converge to...
In this paper, an inter-cell interference coordination (ICIC) scheme for small cell networks with full-duplex (FD) base stations is proposed to maximize the overall system throughput. To be compatible with existing enhanced ICIC (eICIC) and further enhanced ICIC (FeICIC) techniques, the proposed ICIC scheme adopts cell range expansion and almost blank subframe to coordinate various kinds of interference...
Full-duplex (FD) communication can be applied to the cellular network to improve the spectral efficiency, which has been recently proved feasible because of the advanced self-interference cancellation techniques. In FD communication enabled cellular networks, how to effectively pair a downlink user and an uplink user to transmit on the same wireless channel is a critical and challenging issue. To...
Compared to the economic effect, the social effect brought by innovation remains ignored by scholars. Inclusive innovation, which emphasizes the diversity of the stakeholders related to innovations, especially BOPs (the bottom of the pyramid) has been acknowledged as a possible solution to series of social problems such as imbalanced development and poverty. However, how innovation system achieve...
In this paper, a novel technology, namely, device-to-device communications in the unlicensed spectrum (D2D-U) is proposed, which can allow D2D users to transmit on the unlicensed spectrum and coexist with the incumbent Wi-Fi networks. In D2D-U networks, D2D users can share the licensed spectrum with the existing cellular users or share the unlicensed spectrum with legacy Wi-Fi networks. Therefore,...
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