Deep learning based on artificial neural networks (ANNs) is a powerful machine-learning method that, in recent years, has been successfully used to realize tasks such as image classification, speech recognition, and language translation, among others, that are usually simple for human beings but extremely difficult machines. This one reason deep considered of the main enablers realizing intelligence (AI). The current methodology consists employing data-driven approach identify best...

This letter studies the performance of a single-input single-output (SISO) system enhanced by assistance an intelligent reflecting surface (IRS), which is equipped with finite number elements under Rayleigh fading channels. From instantaneous channel capacity, we compute closed-form expression coverage probability as function statistical information only. A scaling law and phase shifts further obtained. The ergodic capacity derived, then simple upper bound to simplify matters utilizing...

This letter investigates the impact of spatial channel correlation on outage probability intelligent reflecting surface (IRS)-assisted single-input single-output (SISO) communication systems. In particular, we derive a novel closed-form expression for arbitrary phase shifts and matrices indirect channels. To shed light correlation, further attain expressions two common scenarios met in literature when large-scale fading coefficients are expressed by loss over propagation distance. Numerical...

In this paper, we analyze and optimize the energy efficiency of downlink cellular networks. With aid tools from stochastic geometry, introduce a new closed-form analytical expression potential spectral (bit/sec/m <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> ). interference-limited regime for data transmission, unlike currently available mathematical frameworks, proposed formulation depends on transmit power deployment density base...

This letter investigates the performance of satellite-terrestrial networks (STN), where a satellite tries to transmit information ground user through help multiple decode-and-forward relays and existence co-channel interference sources. In particular, full-duplex technique partial relay selection are applied at increase total throughput destination, enhance system reliability, reduce complexity. this context, outage probability (OP) is computed in closed-form expression. Numerical results...

Outage probability (OP) and potential throughput (PT) of multihop full-duplex (FD) nonorthogonal multiple access (NOMA) systems are addressed in the present paper. More precisely, two metrics derived closed-form expressions under impact both imperfect successive interference cancellation (SIC) self-interference cancellation. Moreover, to model short transmission distance from transmit receive antennae at relays, near-field path-loss is taken into consideration. Additionally, total power on...

The present paper addresses the performance of broadcasting scheme in cognitive radio networks (CRNs) under a fountain codes (FC) approach. Particularly, closed-form expressions are derived for cumulative distribution function (CDF) and expectation number FC clock cycles required packets to all secondary receivers. energy efficiency (EE) (SN) is also provided. Moreover, simple transmit power proposed enhance SN guarantee quality-of-service (QoS) primary network (PN). trends introduced...

Next- generation wireless communications are projected to integrate reconfigurable intelligent surfaces (RISs) perpetrate enhanced spectral and energy efficiencies. To quantify the performance of RIS-aided networks, statistics a single random variable plus sum double variables becomes core approach reflect how communication links from RISs improve wireless-based systems versus direct ones. With this in mind, work applies secure RIS-based non-orthogonal multi-access (NOMA) with presence...

In this work, the performance evaluation and optimization of dual-hop LoRa network are investigated. particular, coverage probability (Pcov) edge end-devices (EDs) is computed in closed-form expressions under various fading channels, i.e., Nakagami-$m$ Rayleigh fading. The Pcov approximated expressions; fading, on other hand, calculated exact expressions. addition, we also investigate impact different kinds interference Pcov, intra-SF interference, inter-SF (or capture effect) both intra-...

In the present letter, a closed-form framework is derived for system-level modelling, analysis and optimization of energy efficiency (EE) in LoRa networks. The proposed by exploiting stochastic geometry tools associates Long Range (LoRa) EE with density end-devices (EDs) ED transmit power. reveals trends curve respect to each two parameters while revealing existence an optimal power that maximizes EE. Thus, arises as valuable tool, significant practical value, receiver/transmitter design,...

The optimal transmit power that maximizes energy efficiency (EE) in Longe Range (LoRa) networks is investigated by using the deep learning (DL) approach. Particularly, proposed artificial neural network (ANN) trained two times; first phase, ANN model-based data which are generated from simplified system model while second pre-trained re-trained practical data. Numerical results show approach outperforms conventional one directly trains with Moreover, performance of under both partial and...

In this study, we investigate the trade-off between reliability and security in unmanned aerial vehicle (UAV) communications systems, considering a UAV-terrestrial network aided by relay powered dedicated power beacon. For system, derive outage probability (OP) under both exact approximate frameworks compute approximations closed-form expressions. aspect, also intercept (IP) approximated frameworks. To minimize IP, friendly jamming technique is employed whereby beacon constantly broadcasts...

The requirements for facilitating spectral efficiency and energy become increasing important future wireless networks. Ambient backscatter communication (AmBC) has recently been recognized as a technology to meet these requirements. Furthermore, reconfigurable intelligent surfaces (RISs) have emerged an effective ameliorate the performance of communications. Motivated by these, this letter investigates channel characterization RIS-assisted AmBC system. Particularly, we derive closed-form...

Physical layer security (PLS) and simultaneous wireless information power transfer (SWIPT) in cooperative relaying have gained great interest as technologies for energy enhancement Internet-of-Things (IoT) networks. In this work, we investigate PLS a SWIPT- AF-enabled IoT system, consisting of one source, multiple harvesting (EH) relays, destination, the presence an eavesdropper that tries to overhear confidential information. Furthermore, EH-friendly jammer is deployed transmit jamming...

This paper studies the security and reliability of power splitting (PS)-based relaying in Internet Things (IoT) networks with help a jammer. Based on considered system model, we derive outage probability (OP) intercept (IP) under two distinguished schemes, namely, static PS (SPSR) scheme dynamic (DPSR) scheme. More precisely, ratio former is constant number, while latter optimally adjusted order to minimize OP counts only channel gain second hop. Numerical results are provided not verify...

We introduce a tractable approach for studying the feasibility of multiple-antenna cellular networks, where low-energy devices decode information data and harvest power simultaneously. Tools from stochastic geometry are used to quantify rate versus harvested tradeoff. This letter unveils that large-scale antenna arrays ultra-dense deployments base stations both necessary harvest, with high reliability, an amount order milliwatt.

In this paper, we introduce an analytical approach for modeling and analyzing the performance of multi-tier cellular networks that are powered by power grid renewable energy sources. The proposed relies on locations base stations, either or sources, using Poisson point processes. availability is modeled a process in time domain. addition, temporal dynamics batteries stations sources discrete Markov chain with number states equal to finite storage capacity batteries. particular, coverage...

Reconfigurable intelligent surface (RIS) has recently gained significant interest as an emerging technology for future wireless networks thanks to its potential improving the coverage in challenging propagation environments. This paper studies RIS-assisted communication system, where a source transmits data destination presence of weak direct link. We analyze and compare RIS designs based on long-term short-term channel statistics terms probability ergodic rate. For considered optimization...

The coverage probability of cellular networks is usually defined as the that signal-to-interference+noise-ratio (SINR) greater than a reliability threshold. Based on this definition, cannot, in general, be formulated tractable closed-form expression. Di Renzo et al. have introduced new definition explicitly accounts for cell association phase and proved to analytically system-level optimization. In letter, we conduct thorough comparison between two definitions coverage. We show by provides...

This paper aims to derive an analytical modelling of the downlink exposure in 5G massive Multiple Input Output (MIMO) antenna networks using stochastic geometry. The Poisson point process (PPP) is assumed for base station (BS) distribution. power received at transmitter modeled as a shot-noise with modified law. distributions MIMO gain and channel were obtained by fitting simulation results from NYUSIM simulator. fitted distributions, e.g., exponential gamma distribution respectively, then...

This paper investigates a cooperative short-packet non-orthogonal multiple access-based relay-sharing system, in which common relay node assists the communication of two source-destination pairs. Aiming at reducing complexity design and transmission latency, novel relaying protocol, is composed fewer encoders decoders than decode-and-forward (DF) proposed. Accordingly, approximate asymptotic expressions for end-to-end average block error rates (BLERs) are derived, numerical results show...

In this paper, we study the achievable performance of information decoding and harvested power in Simultaneous Wireless Information Power Transfer (SWIPT) millimeter wave (mmWave) cellular networks. particular, by modeling Base Stations (BSs) as points a Poisson Point Process (PPP) applying Maximum Ratio Transmission (MRT) Combining (MRC) at BSs Mobile Terminals (MTs), respectively, Joint Complementary Cumulative Distribution Function (JCCDF) rate is analyzed. Our results show that mmWave...

We compute the spectral-energy efficiency Pareto front in Poisson cellular networks, by formulating a bi-objective optimization problem as function of either transmit power or density base stations. Capitalizing on fundamental theoretical results weighted Tchebycheff problems applied to strictly quasi-concave functions, we derive analytical expressions unique Pareto-optimal solution problem. prove that is constituted subset tradeoff and it can be formulated terms. identify new functional...