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Volume 13, Issue 16October 2019
Reflects downloads up to 11 Dec 2024Bibliometrics
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review-article
Historical perspective of free space optical communications: from the early dates to today's developments

This survey article discusses the revolutions of wireless communication technologies right from the prehistoric man's fire signals to today's space optical communications. A brief description of evaluations of communication technologies from the ancient ...

research-article
Blind recognition of alpha‐stable random carrier signals by an eavesdropper in random communication systems

Invisibility of alpha‐stable (α‐stable) noise as carrier signals, in the presence of additive white Gaussian noise (AWGN) as channel noise, is a key factor to ensure covert transmission by employing random communication systems (RCSs). This study ...

research-article
Hybrid precoding with phase shifter reduction for 5G massive antenna multi‐user systems in millimetre wave

In this study, the performances of commonly used precoding schemes are evaluated based on channel measurements carried out at 28 GHz in a railway station for a massive antenna system configuration. And a hybrid precoding algorithm for a fifth generation (...

research-article
Higher order statistics for modulation and STBC recognition in MIMO systems

Identification of modulation and space‐time block code (STBC) is an important task of receivers in applications such as military, civilian, and commercial communications. Here, we consider multiple‐input multiple‐output (MIMO) systems. We propose two ...

research-article
Improper Gaussian signaling scheme for the two‐users X‐interference channel

Different from conventional proper Gaussian signalling (PGS), whose achievable rate depends on the input signals' covariances only, the capacity of channels with improper Gaussian signalling (IGS) is a function with the signals' covariances and pseudo‐...

research-article
MO‐CSO‐based load‐balanced routing in MRMC WMN

The multi‐radio–multi‐channel wireless mesh networks (MRMC WMNs) have attracted much attention due to their low cost, reliable coverage, stable topology, and so forth. Load balancing among gateways (GWs) is a challenging task in MRMC WMNs. The GW nodes ...

research-article
Efficient beam allocation strategy for statistical beamforming‐based massive multiple‐input–multiple‐output downlink systems

This study focuses on an efficient fairness aware beam allocation strategy which is based on user position approach. The proposed algorithm is efficient to cope with the effects of user position uncertainties and imperfect channel state information (CSI). ...

research-article
Performance analysis of the odd–even uniform interleaver for turbo codes

Interleaver design has been an intense research area since the invention of turbo codes, both from theoretical and technological perspectives, still receiving the attention of engineers. This work is a theoretical treatment on the subject of interleaver ...

research-article
Prolonging smart grid network lifetime through optimising number of sensor nodes and packet length

In the era of internet‐of‐things (IoT), many applications utilise wireless sensor networks (WSNs)including smart grids (SGs). Designing WSNs to fulfill the SGs requirementsimposes some challenges such as limited power and signal propagationimpairments, ...

research-article
Deep reinforcement learning‐based beam Hopping algorithm in multibeam satellite systems

Beam hopping (BH) is the key technology to improve the system throughput and decrease the transmission delay in multibeam satellite systems. The objective of this study is to find a policy to maximise the expected long‐term resource utilisation. The BH ...

research-article
Outage and delay performance of content caching in two‐tier cooperative cellular networks

The authors consider a content‐centric two‐tier heterogeneous cellular network where the macro base stations (MBSs) and small base stations (SBSs) are spread based on two independent Poisson point processes. The set of contents are stored in the MBSs ...

research-article
Subarray hybrid precoding with finite‐resolution PSs for massive MIMO capacity maximisation

The addition of analogue processing to the digital precoding, known as hybrid beamforming (HB), is an efficient solution for massive multiple‐input multiple‐output (MIMO) systems. The design of a phase shifter (PS) network plays an important role in the ...

research-article
Fairness‐based multi‐task reward allocation in mobile crowdsourcing system

Mobile crowdsourcing‐based applications, widely popular, exploit the sensing data crowdsourced from smartphone users without putting any burden on the extra cost of data sensing and collection. However, user participation in crowdsourcing incurs resource ...

research-article
Deterministic construction of array QC CS measurement matrices based on Singer perfect difference sets

Low‐density parity‐check (LDPC) codes and compressed sensing (CS) share many common environments. In this study, a novel approach for constructing a new class of deterministic sparse sensing matrices based on array quasi‐cyclic (QC) LDPC codes via Singer ...

research-article
Performance and optimisation of agent compression and forwarding system for correlated sources

A system for the correlated Gaussian sources to perform compression forwarding via the multi‐relay network in the additive white Gaussian noise channel is proposed in this study. The characteristic of the newly proposed system is that it is composed of ...

research-article
Open Access
Evaluation of next‐generation low‐power communication technology to replace GSM in IoT‐applications

The large demand for smart metering and control, asset tracking, remote monitoring, and other applications has resulted in the emergence of innovative new internet of things (IoT) low‐power wide‐area networks (LPWANs) featuring low power consumption, low ...

research-article
RECV‐MAC: a novel reliable and efficient cooperative MAC protocol for VANETs

In vehicular ad hoc networks (VANETs), mobility among vehicles can result in rapid topology changes with frequent link breakage and unstable communications, which cause collision and packet loss. Conversely, cooperative transmission can improve ...

research-article
Performance evaluation of underlay cognitive hybrid satellite–terrestrial relay networks with relay selection scheme

The applicability of cognitive radio (CR) techniques into satellite communications has received considerable attention in recent years. This study considers the integration of relay transmission into CR‐based satellite terrestrial network, which offers ...

research-article
Comprehensive performance analysis of data‐fusion aided cooperative cognitive radio network over η − μ fading channel

In this paper, analytical performance of efficient soft‐data combining schemes (SDCSs) for cognitive radio network (CRN) is investigated. The performance is investigated in the presence of noise and generalized η−μ fading. In more detail, each CRU senses ...

research-article
Overlapped LT codes over the binary erasure channel: analysis and design

Fountain codes are promising forward error correction codes suitable for broadcast and multicast applications where many users with different capabilities are involved in the system. Fixed‐rate codes need a priori information about each channel to decide ...

research-article
Nyquist filter design

Designing a new pulse‐shaping filter that satisfies the Nyquist condition to mitigate inter‐symbol interference and achieve better stopband attenuation is a new step towards the development of next‐generation mobile communication systems. In this study, ...

research-article
Interference Management and Resource Sharing in Moving Networks

Cellular users on‐board vehicles often experience low quality of service (QoS) due to the vehicular penetration loss. Hence, the so‐called mobile‐cells (MCs) have been proposed as a solution. The envisaged MCs will require additional radio resources, ...

research-article
Probability bounds of cross‐layer interference in femtocell‐underlay cellular networks employing interference alignment

In a conventional cellular network underlaid with femtocells, the authors employ interference alignment (IA) to restrict cross‐layer co‐channel interference (X‐interference). In their scenario, locally obtained channel state information is allowed to be ...

research-article
Security and reliability trade‐off analysis of joint user and jammer selection in the face of co‐channel interference

In this study, the authors investigate the security and reliability trade‐off (SRT) performance of a multiuser wireless network, where an eavesdropper attempts to overhear the confidential transmissions between a base station and multiple users under the ...

research-article
NIML: non‐intrusive machine learning‐based speech quality prediction on VoIP networks

Voice over Internet Protocol (VoIP) networks have recently emerged as a promising telecommunication medium for transmitting voice signal. One of the essential aspects that interests researchers is how to estimate the quality of transmitted voice over VoIP ...

research-article
Three‐dimensional non‐stationary geometry‐based stochastic model for UAV‐MIMO Ricean fading channels

In this study, the authors propose a novel three‐dimensional (3D) non‐stationary geometry‐based stochastic model (GBSM) and the corresponding deterministic and stochastic simulation models for non‐isotropic unmanned aerial vehicle (UAV) multiple‐input ...

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