Functional principal component analysis of spatially correlated data
Sign Up to like & getrecommendations! Published in 2017 at "Statistics and Computing"
DOI: 10.1007/s11222-016-9708-4
Abstract: This paper focuses on the analysis of spatially correlated functional data. We propose a parametric model for spatial correlation and the between-curve correlation is modeled by correlating functional principal component scores of the functional data.… read more here.
Keywords: functional principal; principal component; analysis spatially; analysis ... See more keywords
Performance analysis of receive diversity under time-varying and spatially correlated channels using partial CSI
Sign Up to like & getrecommendations! Published in 2019 at "Telecommunication Systems"
DOI: 10.1007/s11235-019-00577-5
Abstract: In this paper, a single input multiple output system is considered with L receive antennas and the underlying channels are assumed to be time varying with temporal correlation coefficient a and spatially correlated with correlation… read more here.
Keywords: time varying; correlated channels; partial csi; spatially correlated ... See more keywords
Redesigned Spatial Modulation for Spatially Correlated Fading Channels
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4762-6
Abstract: In this paper, a new variant of Spatial Modulation (SM) Multiple-Input Multiple-Output (MIMO) transmission technique, designated as Redesigned Spatial Modulation (ReSM) has been proposed. In ReSM scheme, a dynamic mapping for antenna selection is adopted.… read more here.
Keywords: modulation; spatially correlated; redesigned spatial; spatial modulation ... See more keywords
Hierarchical Bayesian models for predicting spatially correlated curves
Sign Up to like & getrecommendations! Published in 2018 at "Statistics"
DOI: 10.1080/02331888.2018.1547905
Abstract: ABSTRACT Functional data analysis has emerged as a new area of statistical research with a wide range of applications. In this paper, we propose novel models based on wavelets for spatially correlated functional data. These… read more here.
Keywords: bayesian models; correlated curves; spatially correlated; predicting spatially ... See more keywords
Performance Analysis of Mixed-ADC Massive MIMO Systems Over Spatially Correlated Channels
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2018.2889878
Abstract: This paper analyzes the uplink performance of multiuser massive multi-input-multi-output systems with spatially correlated channels by using a mixed analog-to-digital converter (ADC) architecture, where the base station (BS) is equipped with two resolution levels’ ADC.… read more here.
Keywords: correlated channels; performance; systems spatially; achievable rate ... See more keywords
Statistical Beamforming Based on Effective Channel Gain for Spatially Correlated Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2017.2740919
Abstract: A statistical beamforming (SBF) scheme based on the effective channel gain (ECG) is proposed for spatially correlated massive multiple-input multiple-output systems. The proposed SBF scheme consists of outer and inner precoders. The outer precoder is… read more here.
Keywords: effective channel; spatially correlated; channel gain; statistical beamforming ... See more keywords
A Differential Trellis-Coded Quantization for FDD Massive MIMO Systems in a Spatially Correlated Channel
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2016.2642223
Abstract: To obtain the beamforming gain of a frequency-division duplex massive multiple-input multiple-output system, extensive channel state information (CSI) should be accurately quantized and fed back to the base station. Trellis-coded quantization (TCQ) can reduce codebook… read more here.
Keywords: spatially correlated; quantization; trellis; trellis coded ... See more keywords
User Subgrouping and Power Control for Multicast Massive MIMO Over Spatially Correlated Channels
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Broadcasting"
DOI: 10.1109/tbc.2022.3190990
Abstract: Massive multiple-input-multiple-output (MIMO) is unquestionably a key enabler of the fifth-generation (5G) technology for mobile systems, enabling to meet the high requirements of upcoming mobile broadband services. Physical-layer multicasting refers to a technique for simultaneously… read more here.
Keywords: user subgrouping; power; mimo; multicast massive ... See more keywords
Massive MIMO With Spatially Correlated Rician Fading Channels
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2019.2893221
Abstract: This paper considers multi-cell massive multiple-input multiple-output systems, where the channels are spatially correlated Rician fading. The channel model is composed of a deterministic line-of-sight path and a stochastic non-line-of-sight component describing a practical spatially… read more here.
Keywords: mimo spatially; rician fading; correlated rician; massive mimo ... See more keywords
Energy-Efficient Spatially-Correlated Hardware Impaired Massive MIMO FD Relaying
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2020.3042544
Abstract: Most of the existing massive multi-input-multi-output (mMIMO) relaying works assume ideal transceiver hardware and spatially uncorrelated channels. A practical mMIMO relay, however, due to limited antenna spacing and the use of cost-effective equipment, usually experiences… read more here.
Keywords: energy efficiency; hardware; hardware impaired; energy ... See more keywords
Rate-Splitting Multiple Access With STAR RIS Over Spatially-Correlated Channels
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3198121
Abstract: The paper explores simultaneous transmitting and reflecting (STAR) reconfigurable intelligent surface (RIS)-aided rate-splitting multiple access (RSMA) communication. A base-station (BS) transmits information to the cell-edge users which are assisted by the STAR RIS in such… read more here.
Keywords: star ris; spatially correlated; ris; rate splitting ... See more keywords