ISI Mitigating Precoder Design Method for MISO FMT Systems
Sign Up to like & getrecommendations! Published in 2020 at "Wireless Personal Communications"
DOI: 10.1007/s11277-019-06977-9
Abstract: This paper considers the inter-symbol interference mitigating precoder design problem for filtered multi-tone (FMT) systems. In FMT systems, due to the time-domain overlapped impulse response of a prototype filter, the desired channel and the temporal… read more here.
Keywords: fmt systems; interference; precoder design; design method ... See more keywords
An Efficient Modified Gauss Seidel Precoder for Downlink Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3036008
Abstract: Recently, as the demand for tremendous spectral efficiency has increased, the massive multiple-input multiple-output (MIMO) system has attracted attention in the wireless communication system. In massive MIMO, the zero forcing (ZF) precoder provides optimal performance.… read more here.
Keywords: performance; pgs precoder; precoder; gauss seidel ... See more keywords
Design Parameters for Massive Communication Systems under Energy-Efficient Polynomial Precoder
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3175310
Abstract: Massive multiple-input multiple output (MIMO) systems have been introduced as a resolution for next generation cellular systems. The complexity of computing the precoding in massive MIMO is increased. So, studying a scalable precoding in massive… read more here.
Keywords: system; precoder; polynomial precoder; design parameters ... See more keywords
Nullforming-Based Precoder for Spectrum Sharing between HAPS and Terrestrial Mobile Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3176871
Abstract: Ultra-wide coverage is one of the important concepts of the sixth generation (6G) mobile communications. High-altitude platform stations (HAPSs) have attracted considerable attention as a leading candidate for coverage extension of cellular networks. HAPSs should… read more here.
Keywords: haps terrestrial; sharing haps; precoder; capacity ... See more keywords
Rate-Maximizing Zero-Forcing Hybrid Precoder for MU-MISO-OFDM
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3234866
Abstract: Hybrid precoders, consisting of an analog hardware-constrained part operating at radio frequency (RF) and a digital part operating at baseband, reduce the RF implementation complexity and power consumption of multi-antenna transceivers, at the expense of… read more here.
Keywords: performance; precoder; rate maximizing; hybrid precoder ... See more keywords
Rate Splitting for Multi-Antenna Downlink: Precoder Design and Practical Implementation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2020.3000824
Abstract: Rate splitting (RS) is a potentially powerful and flexible technique for multi-antenna downlink transmission. In this paper, we address several technical challenges towards its practical implementation for beyond 5G systems. To this end, we focus… read more here.
Keywords: precoder design; number; rate; precoder ... See more keywords
Hybrid Precoding via Successive Refinement for Millimeter Wave MIMO Communication Systems
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2017.2655514
Abstract: We propose a hybrid precoding design for spatial multiplexing in millimeter wave massive multiple-input multiple-output systems. The proposed design relies on the popular orthogonal matching pursuit (OMP) algorithm. The OMP algorithm uses necessary columns of… read more here.
Keywords: baseband; hybrid precoding; millimeter wave; refinement ... See more keywords
Low-Complexity Subspace-Based Multi-User Hybrid Precoding
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2018.2883739
Abstract: We propose a novel multi-user hybrid precoder design that imitates the bit error rate (BER) performance of a given fully digital precoder by minimizing the Frobenious norm between them. We show that the proposed design… read more here.
Keywords: given fully; user hybrid; complexity; precoder ... See more keywords
Efficient Parameterized Precoder Tracking in Slowly Time-Varying MIMO Channels
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3211611
Abstract: Precoding in MIMO wireless communication systems is essential for achieving high data rates. However, feeding back precoders places a feedback burden. Exploiting temporal correlation and use of adaptive feedback can significantly reduce the feedback requirement,… read more here.
Keywords: precoder; precoder tracking; parameterized precoder; efficient parameterized ... See more keywords
Energy Efficient Precoder in Multi-User MIMO Systems With Imperfect Channel State Information
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2018.2882208
Abstract: This letter is on the energy efficient precoder design in multi-user multiple-input multiple-output systems which is also robust with respect to the imperfect channel state information at the transmitters. In other words, we design the… read more here.
Keywords: energy efficient; imperfect channel; energy; precoder ... See more keywords
Scalar Feedback-Based Joint Time-Frequency Precoder Interpolation for MIMO-OFDM Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2020.2997763
Abstract: In MIMO-OFDM systems, knowledge of the precoding matrix enables effective resource allocation for high rates and low BER. However, feeding back precoders for all subcarriers introduces large overheads. Past work has shown that the orthonormal… read more here.
Keywords: frequency; ofdm systems; feedback; mimo ofdm ... See more keywords