A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Filters
Filter Bank precoding for FIR equalization in high-rate MIMO communications
2006
IEEE Transactions on Signal Processing
Preserved Fulltext
It is shown that an arbitrary MIMO frequency-selective channel can be rendered FIR equalizable by a suitable filter bank (FB) precoding operation that introduces redundancy at the transmitter. ...
In this paper, the problem of designing finite-impulse-response (FIR) equalizers for multiple-input multiple-output (MIMO) FIR channels is considered. ...
Therefore, at any , matrices among , become rank deficient, by respectively. Therefore, the rank drop at any is . Therefore, we have that the maximum rank drop of is . ...
doi:10.1109/tsp.2006.871971
fatcat:kakpekbkynhrdd6wwrc7odowqm
Secrecy Rate of Cooperative MIMO in the Presence of a Location Constrained Eavesdropper
2019
IEEE Transactions on Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2018 pre-print arXiv:1709.05383v2 fatcat:i4vpiltr7zcxxda42zzxgmbuyeOther Versions
The cooperative MIMO system in this paper (referred to as Reconfigurable Distributed MIMO) is formed by temporarily activating clusters of nearby trusted mobile devices, with each cluster being centrally ...
We assume that the transmitters apply a practical eigen-direction precoding scheme to transmit the confidential signal and artificial noise, while the eavesdropper can be located in multiple possible locations ...
DRAFT optimal input is given in [22] when the input covariance matrix is full rank, and is given in [23] when it is either full rank or of rank-one. ...
doi:10.1109/tcomm.2018.2877329
fatcat:e3vfbznhbne6lmpy25kirnbjfq
Oversampled Orthogonal Frequency Division Multiplexing in Doubly Selective Fading Channels
2011
IEEE Transactions on Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The covariance matrix, R ( ) , of the colored noise might be rank deficient. ...
Since the noise elements are mutually correlated, the noise covariance matrix, R , might be rank deficient. ...
doi:10.1109/tcomm.2011.121410.090655
fatcat:poitv45gf5dmxidiv4uhsckvvy
Network-MIMO for downlink in-band relay transmissions
2013
EURASIP Journal on Wireless Communications and Networking
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
In order to reduce the spectral efficiency loses associated to half-duplex relaying, we propose the use of base station (BS) cooperation under a network-MIMO precoding strategy based on block-diagonalization ...
By applying convex optimization techniques, the optimal precoding strategy is derived and a suboptimal low complexity solution is also proposed. ...
(if compared to a conventional single-user MIMO under TDMA) and is hardly affected by the rank deficiency of single-user MIMO channels in LOS. ...
doi:10.1186/1687-1499-2013-13
fatcat:vxkz7mquuvbojntxov4bckty7i
A Throughput Evaluation of an Over-Distributed Antenna System with Limited Pilot Resources
2015
IEICE transactions on communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Thus, the spatial multiplexing capability becomes small even near the RAU due to the rank deficiency. ...
Multiuser MIMO Precoding with Proposed Methods In multiuser MIMO systems, one way to prevent the inter user interference (IUI) is precoding. ...
doi:10.1587/transcom.e98.b.1465
fatcat:gzazdzmpv5gexpy6xgc5ebgttm
Millimetre-wave Massive MIMO for Cellular Vehicle-to-Infrastructure (C-V2I) Communication
2019
IET Intelligent Transport Systems
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
, power delay profile, channel rank and condition number as well as data rate. ...
The results show that mmWave massive MIMO can deliver Gbps data rates for next-generation vehicular networks. ...
This outcome reveals the rank deficiency of mmWave SU-MIMO where single-stream beamforming or precoding with just a few streams per user (depending on the channel rank) gives better performance than precoding ...
doi:10.1049/iet-its.2018.5492
fatcat:tndfadoba5cspnafmcxxxp62mq
I/Q Interference in Device-to-Device Underlay Communication with Uplink Power Control
2015
2015 IEEE 81st Vehicular Technology Conference (VTC Spring)
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Accordingly, a rank-deficient precoded transmission on the mirror carrier causes an I/Q flashlight effect on the subcarrier of interest, analogous to the co-channel flashlight effect caused by precoding ...
AMC in I/Q-Distorted Precoded MIMO-OFDMA When precoding is used in MIMO-OFDM, I/Q imbalance limits the precoding gains [27] , [10] . ...
doi:10.1109/vtcspring.2015.7145866
dblp:conf/vtc/OruthotaT15
fatcat:e7fhilzchzf45nceolgcztjvqa
Near-Optimum Soft Decision Equalization for Frequency Selective MIMO Channels
2004
IEEE Transactions on Signal Processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2006; you can also visit the original URL.
The file type is application/pdf.
It introduces key enhancement to the original PDA to enable applications in rank-deficient channels and for higher level modulations. ...
Index Terms-Efficient reception algorithms, equalization for frequency selective MIMO channels, overlapping sliding windowing, soft decision. ...
BER Performance in Rank-Deficient MIMO Channels Rank-deficient MIMO channels exist in many wireless scenarios, such as in mobile downlink transmission, where there is typically more transmit than receive ...
doi:10.1109/tsp.2003.822376
fatcat:fifch3m4izai3oofbm6rdpck4a
Optimal Power Allocation for Linear Dispersion Codes Over Correlated MIMO Channels with Channel State Feedback
2007
IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2009; you can also visit the original URL.
The file type is application/pdf.
The design of spatio-temporal power allocation schemes is considered for space-time coding over spatially correlated multiple-input multiple-output (MIMO) channels. ...
The focus is on linear dispersion (LD) space-time codes that are constructed to maximize the mutual information between the input of the space-time encoder and the output of the channel. ...
With no CSI at the transmitter, it is known that the optimal input covariance matrix is diagonal and its rank 1 is a function of both the signal-to-noise ratio (SNR) and the statistics [1] . ...
doi:10.1109/glocom.2007.308
dblp:conf/globecom/LinRV07
fatcat:vtcnrbw4gjgxvd6i6qcytefcfe
Characterisation and Modelling of Measured Massive MIMO Channels
[article]
2017
PhD series, Technical Faculty of IT and Design, ˜Aalborg=ålborgœ University
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Third we investigate the rank of the spatial covariance matrix. ...
Rank of the spatial covariance matrix To investigate the rank of the spatial covariance matrix we compute the covariance matrix from the BS side C (n) k = 1 R R ∑ r=1 h (n) k (r)(h (n) k (r)) H (E.8) Using ...
dispersed the properties are. ...
doi:10.5278/vbn.phd.tech.00034
fatcat:nv7beavwxvhehgu6prhticl7lm
A Comprehensive Survey on Millimeter Wave Communications for Fifth-Generation Wireless Networks: Feasibility and Challenges
2020
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Fourth, we track evolution and advancements in hybrid beamforming for massive MIMO systems in terms of system models of hybrid precoding architectures, hybrid analog and digital precoding/combining matrices ...
precoding and combining, non-orthogonal multiple access (NOMA), cell-free massive MIMO, and simultaneous wireless information and power transfer (SWIPT) technologies. ...
In the beamforming settings, the same symbol −weighted by a complex scale factor −is communicated across each transmit antenna, to achieve a unit rank input covariance matrix [7] , [72] . ...
doi:10.1109/access.2020.2984204
fatcat:akymafkbcrevtejtgfywrkhcre
Elevation Beamforming with Full Dimension MIMO Architectures in 5G Systems: A Tutorial
[article]
2019
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2018 pre-print arXiv:1805.00225v2 fatcat:3fy2kjarenhobgcuri3n56bckeOther Versions
This paper presents a tutorial on elevation beamforming analysis for cellular networks utilizing FD Massive MIMO antenna arrays. ...
Full dimension (FD) multiple-input multiple-output (MIMO) technology has attracted substantial research attention from both wireless industry and academia in the last few years as a promising technique ...
It is possible to have a rank deficient channel matrix even if the fading is decorrelated at both ends due to mild scattering conditions. ...
arXiv:1805.00225v4
fatcat:pyk4tk633rdpbmqst5rkygqsdu
Elevation Beamforming with Full Dimension MIMO Architectures in 5G Systems: A Tutorial
2019
IEEE Communications Surveys and Tutorials
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
This paper presents a tutorial on elevation beamforming analysis for cellular networks utilizing FD Massive MIMO antenna arrays. ...
Full dimension (FD) multiple-input multiple-output (MIMO) technology has attracted substantial research attention from both wireless industry and academia in the last few years as a promising technique ...
It is possible to have a rank deficient channel matrix even if the fading is decorrelated at both ends due to mild scattering conditions. ...
doi:10.1109/comst.2019.2930621
fatcat:twtv5suwffd2jlc7du7cae7kmm
An Overview of Enhanced Massive MIMO with Array Signal Processing Techniques
2019
IEEE Journal on Selected Topics in Signal Processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2019 pre-print arXiv:1907.09944v2 fatcat:i5ddzshuqzgwph4ei2fuhp2geaOther Versions
As a consequence, transceiver techniques like synchronization, channel estimation, beamforming, precoding, multi-user access, etc., can be re-shaped with these physical parameters, as opposed to those ...
In the past ten years, there have been tremendous research progresses on massive MIMO systems, most of which stand from the communications viewpoint. ...
For a rich scattering environment, the channel covariance is full rank and there is no way to save the channel estimation effort. ...
doi:10.1109/jstsp.2019.2934931
fatcat:fvimd5awz5gzxo2gngidcbtora
Fifty Years of MIMO Detection: The Road to Large-Scale MIMOs
2015
IEEE Communications Surveys and Tutorials
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Other Versions
MIMO channels and dispersive MIMO channels exhibiting memory, as well as the complex-valued versus real-valued MIMO system models. ...
MIMO detection algorithms that are potentially applicable to LS-MIMO systems. ...
Detection in Rank-Deficient and Overloaded MIMO Systems For MIMO detection, typically it is preferable to have a full-rank channel matrix, namely rank(H) = N I or N O , In CDMA systems, this requirement ...
doi:10.1109/comst.2015.2475242
fatcat:ppgqyvdlu5bsvk34n4e3dfog2u
« Previous
Showing results 1 — 15 out of 65 results