Articles with "imperfect csi" as a keyword



Photo from wikipedia

Performance Analysis of Downlink Linear Precoding in Massive MIMO Systems Under Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2017 at "Wireless Personal Communications"

DOI: 10.1007/s11277-017-4314-0

Abstract: Demands of wireless data traffic, throughput, the number of wireless mobile connections and devices will always increase. In addition, the concern about energy consumption is also growing for wireless communication systems. Massive MIMO system is… read more here.

Keywords: linear precoding; mrt; massive mimo; performance ... See more keywords
Photo from wikipedia

Outage Performance of the Full-Duplex Two-Way DF Relay System Under Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2017 at "IEEE Access"

DOI: 10.1109/access.2017.2696034

Abstract: Contrary to the most existing works about the full-duplex (FD) relaying with perfect channel state information (CSI), this paper studies the outage performance of the two-way FD decode-and-forward relay network under the joint effects of… read more here.

Keywords: system; relay; outage performance; full duplex ... See more keywords
Photo by jordanmcdonald from unsplash

Physical Layer Security of WPCNs With Imperfect CSI and Full-Duplex Receiver Aided Jamming

Sign Up to like & get
recommendations!
Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2913210

Abstract: In this paper, we investigate the secrecy performance of wireless powered communication networks (WPCNs) faced by multiple passive eavesdroppers, where the full-duplex (FD) receiver utilizes the harvested energy to send the artificial jamming for enhancing… read more here.

Keywords: performance; duplex receiver; full duplex; imperfect csi ... See more keywords
Photo from wikipedia

Performance Analysis of Decode-and-Forward-Based Mixed MIMO-RF/FSO Cooperative Systems With Source Mobility and Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2017 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2017.2675447

Abstract: This paper investigates a decode-and-forward-based asymmetric dual-hop mixed radio-frequency/free-space optical (RF/FSO) communication link. We consider a moving source user equipment (UE) that communicates with the relay over an RF link and the relay communicates with… read more here.

Keywords: relay; source; link; forward based ... See more keywords
Photo from wikipedia

Energy-Efficient Power Allocation for Multiuser Distributed MISO Systems With Beamforming and Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Systems Journal"

DOI: 10.1109/jsyst.2022.3159336

Abstract: In this article, we study the energy-efficient power allocation (PA) for multiuser distributed multiple-input-single-output (D-MISO) system with beamforming (BF) and imperfect channel state information (CSI). Given a target bit error rate, the system energy efficiency… read more here.

Keywords: energy; power; imperfect csi; scheme ... See more keywords
Photo by jordanmcdonald from unsplash

Performance of SWIPT-Enabled FD TWR Network With Hardware Impairments and Imperfect CSI

Sign Up to like & get
recommendations!
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… read more here.

Keywords: network; imperfect csi; performance swipt; performance ... See more keywords
Photo by sarahdorweiler from unsplash

A Tight Bound on BER of MCIK-OFDM With Greedy Detection and Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2017 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2017.2747549

Abstract: This letter first investigates bit error rate (BER) of Multi-Carrier Index Keying–Orthogonal Frequency Division Multiplexing using a low-complexity greedy detector (GD). We derive a tight, closed-form expression for the BER of the GD in the… read more here.

Keywords: tight bound; csi; greedy; ber ... See more keywords
Photo by mattseymour from unsplash

On Impact of Imperfect CSI Over Hexagonal QAM for TAS/MRC-MIMO Cooperative Relay Network

Sign Up to like & get
recommendations!
Published in 2019 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2019.2931433

Abstract: In this letter, we investigate the effect of imperfect channel state information (CSI) on quadrature amplitude modulation (QAM) schemes for a multi-input and multi-output (MIMO) variable gain non-regenerative cooperative network over the generalized Nakagami-m fading… read more here.

Keywords: qam; hexagonal qam; imperfect csi; impact imperfect ... See more keywords
Photo by hudsoncrafted from unsplash

Multicomponent Secure Transmission Based on GMFRFT With Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3202647

Abstract: In this letter, a robust multi-component secure transmission scheme based on general multi-fractional Fourier transform (GMFRFT) with imperfect channel state information (CSI) is proposed and analyzed. The scheme combines signal and spatial domains for transmitted… read more here.

Keywords: gmfrft imperfect; secure transmission; imperfect csi; scheme ... See more keywords
Photo from wikipedia

Transmit Antenna Selection in NOMA-Based Integrated Satellite-HAP-Terrestrial Networks With Imperfect CSI and SIC

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3165710

Abstract: Integrated satellite-high altitude platform-terrestrial networks (IS-HAP-TNs) and non-orthogonal multiple access (NOMA) scheme are considered to be the key components of next generation networks, which can satisfy the demands of high-quality transmission, wide coverage and large-scale… read more here.

Keywords: antenna selection; transmit antenna; noma based; integrated satellite ... See more keywords
Photo by hajjidirir from unsplash

Hybrid Beamforming Based on an Unsupervised Deep Learning Network for Downlink Channels With Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3179362

Abstract: Hybrid beamforming can provide rapid data transmission rates while reducing the complexity and cost of massive multiple-input multiple-output (MIMO) systems. However, channel state information (CSI) is imperfect in realistic downlink channels, introducing challenges to hybrid… read more here.

Keywords: unsupervised deep; imperfect csi; deep learning; downlink channels ... See more keywords