Performance Evaluation of Uplink Multiuser MIMO-OFDM System With Single RF Chain Receiver
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3216008
Abstract: In response to the recent increase in wireless-traffic demand in various wireless communication networks, the number of spatial multiplexings, represented by multiple input multiple output (MIMO) systems, has been increasing. Assuming a realistic hardware configuration… read more here.
Keywords: system; chain receiver; multiuser mimo; uplink multiuser ... See more keywords
Multimode Precoding for Multiuser MIMO Systems With Finite Rate Feedback
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2016.2642187
Abstract: In practical multiuser multiple-input multiple-output (MU-MIMO) systems with limited feedback, inter-user interference cannot be completely suppressed due to the channel state information quantization error, and the residual interference degrades the throughputs. In this letter, we… read more here.
Keywords: multiuser mimo; mimo; multimode precoding; feedback ... See more keywords
Detection of Load-Modulated Multiuser MIMO Signals
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2017.2771312
Abstract: A load modulated multiple-input multiple-output (MIMO) transmitter uses a single central power amplifier and tunes the antenna loads according to the information signal, eliminating the need for traditional radio frequency (RF) chains (consisting of DACs,… read more here.
Keywords: multiuser mimo; modulation; multiuser systems; mimo ... See more keywords
Hybrid Beamforming for Millimeter Wave Massive Multiuser MIMO Systems Using Regularized Channel Diagonalization
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2018.2886882
Abstract: This letter presents a novel hybrid analog-digital beamforming design for massive multiuser MIMO downlink transmission in sparse millimeter wave channels. The proposed hybrid regularized channel diagolnalization (HRCD) scheme combines analog (RF) phase-only beamforming with linear… read more here.
Keywords: multiuser mimo; diagonalization; regularized channel; millimeter wave ... See more keywords
Multiuser MIMO Opportunistic Beamforming Communications: State-of-the-Art and Perspectives
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications"
DOI: 10.1109/mwc.2022.2000479
Abstract: Opportunistic beamforming (OBF) is a promising technique in multiuser multiple-input-multiple-output (MIMO) communications, which attracts many attentions. Because of opportunistic precoding and multiuser selection, OBF can achieve high spectrum efficiency under the limited channel status information… read more here.
Keywords: opportunistic beamforming; multiuser mimo; state art;
Multiuser MIMO Concept for Physical Layer Security in Multibeam Satellite Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Information Forensics and Security"
DOI: 10.1109/tifs.2020.3040884
Abstract: In satellite communication downlinks, physical layer security is challenging to achieve due to their broadcasting nature and Line-of-Sight channel characteristics. This paper provides a precoding algorithm to secure the downlinks of multiple users against multiple… read more here.
Keywords: physical layer; multiuser mimo; layer security; security ... See more keywords
Enhancing Multiuser MIMO Through Opportunistic D2D Cooperation
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2017.2712649
Abstract: We propose a cellular architecture that combines multiuser MIMO downlink with opportunistic use of unlicensed Industrial, Scientific, and Medical Radio (ISM) bands to establish device-to-device (D2D) cooperation. The architecture consists of a physical-layer cooperation scheme… read more here.
Keywords: multiuser mimo; system; d2d cooperation; d2d ... See more keywords
DeepSIC: Deep Soft Interference Cancellation for Multiuser MIMO Detection
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2020.3032663
Abstract: Digital receivers are required to recover the transmitted symbols from their observed channel output. In multiuser multiple-input multiple-output (MIMO) setups, where multiple symbols are simultaneously transmitted, accurate symbol detection is challenging. A family of algorithms… read more here.
Keywords: mimo; multiuser mimo; interference cancellation; detection ... See more keywords
Position-Aided Fast Beam Training in mm-Wave Multiuser MIMO Systems
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Communications Technology and Electronics"
DOI: 10.1134/s1064226919120179
Abstract: A position-aided fast beam training in mm-Wave multiuser MIMO systems (PAFBT) method is proposed, in the case of inexact position information. Position information can be used to compute the pointing direction and essentially eliminate the… read more here.
Keywords: multiuser mimo; beam training; position; mimo systems ... See more keywords