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Published in 2021 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2021.153751
Abstract: Abstract In practice, traditional wireless communication systems are often affected by various negative factors such as channel estimation errors (CEE) and transceiver hardware impairments (THI). For in-band full-duplex (FD) communication systems, besides CEE and THI…
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Keywords:
hardware impairments;
system;
performance;
channel estimation ... See more keywords
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Published in 2017 at "IEEE Access"
DOI: 10.1109/access.2017.2669943
Abstract: Large scale multiple-input-multiple output (LS-MIMO) systems are one of the most promising candidates for $5^{th}$ generation wireless communication networks. Many researchers have claimed that LS-MIMO systems increase energy efficiency (EE) and bandwidth efficiency (BE) exponentially…
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Keywords:
bandwidth efficiency;
mimo;
hardware impairments;
efficiency ... See more keywords
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Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3160269
Abstract: This paper investigates the reconfigurable intelligent surface (RIS)-empowered dynamic power splitting designs for simultaneous wireless information and power transfer (SWIPT) systems while adopting various practical hardware issues. Specifically, we adopt the physical size of the…
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Keywords:
hardware;
energy;
power;
swipt systems ... See more keywords
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Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3218032
Abstract: This work conceives dictionary-learning (DL)-based sparse channel estimation schemes for multi-user Terahertz (THz) hybrid MIMO systems incorporating also non-idealities such as hardware impairments and beam-squint effect. Due to the presence of large antenna arrays coupled…
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Keywords:
squint effect;
thz;
beam squint;
mimo ... See more keywords
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Published in 2023 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3200828
Abstract: In view of the nonideality of communication links in the Internet of Things (IoT) originating from transceiver hardware impairments, in this article, we introduce a general framework for hardware impairments-aware multiantenna transceiver design, which considers…
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Keywords:
hardware;
impairments aware;
framework hardware;
transceiver design ... See more keywords
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2
Published in 2023 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3218549
Abstract: Reconfigurable intelligent surface (RIS) has recently been regarded as a potential technique to enhance the performance of wireless communication systems by creating additional communication links. However, it is almost impossible to get the perfect channel…
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Keywords:
communication;
transceiver hardware;
wireless communication;
ris ... See more keywords
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Published in 2022 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2021.3082552
Abstract: Combining energy harvesting with cognitive radio and nonorthogonal multiple access (NOMA) techniques will be a notable candidate for improving both energy and spectral efficiency of wireless systems. In this article, we appraise the performance of…
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Keywords:
energy harvesting;
cognitive noma;
energy;
overlay cognitive ... See more keywords
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Published in 2022 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2022.3163021
Abstract: Localization demands high-accuracy positioning, and this rings especially true in the context of fifth-generation (5G) millimeter-wave (mmWave) systems. However, it is easier said than done. mmWave systems require a large number of antennas to be…
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Keywords:
localization;
synchronization;
error bounds;
clock synchronization ... See more keywords
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Published in 2023 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2022.3183501
Abstract: Cooperative communication with energy harvesting capability increases network coverage and provides a green and sustainable solution for future wireless technologies. In this article, we analyze the performance of a two-way relay network, where bidirectional information…
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Keywords:
network;
imperfect csi;
performance swipt;
performance ... See more keywords
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1
Published in 2019 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2019.2908902
Abstract: This letter presents novel analytical expressions for the ergodic capacity (EC) of dual-hop amplify-and-forward (AF) relaying systems subject to hardware impairments operating over generalized fading channels. Our expressions are quite generic, providing that the moment-generating…
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Keywords:
hardware impairments;
dual hop;
unified ergodic;
ergodic capacity ... See more keywords
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Published in 2021 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2020.3044936
Abstract: Due to the impact of amplifier nonlinearities and phase noise, practical transceivers in heterogeneous networks (HetNets) suffer different degrees of hardware impairments (HWIs), which can non-trivially distort the received signals even with signal compensations. Traditional…
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Keywords:
hardware impairments;
beamforming;
heterogeneous networks;
max min ... See more keywords