Zero Forcing in Claw-Free Cubic Graphs
Sign Up to like & getrecommendations! Published in 2018 at "Bulletin of the Malaysian Mathematical Sciences Society"
DOI: 10.1007/s40840-018-00705-5
Abstract: In this paper, we study a dynamic coloring of the vertices of a graph G that starts with an initial subset S of colored vertices, with all remaining vertices being uncolored. At each discrete time… read more here.
Keywords: free cubic; claw free; zero forcing; forcing claw ... See more keywords
The Inverse Eigenvalue Problem of a Graph, Zero Forcing, and Related Parameters
Sign Up to like & getrecommendations! Published in 2020 at "Notices of the American Mathematical Society"
DOI: 10.1090/noti2033
Abstract: The authors of this piece are organizers of the AMS 2020 Mathematics Research Communities summer conference Finding Needles in Haystacks: Approaches to Inverse Problems Using Combinatorics and Linear Algebra, one of five topical research conferences… read more here.
Keywords: research; problem graph; zero forcing; eigenvalue problem ... See more keywords
Improved Iterative Inverse Matrix Approximation Algorithm for Zero Forcing Precoding in Large Antenna Arrays
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3208155
Abstract: Precoding algorithms are used in massive multiple-input multiple-output (mMIMO) communication systems to ensure effective signal transmission. The zero-forcing (ZF) is one of the most common linear precoding algorithms used in MIMO and mMIMO systems. ZF… read more here.
Keywords: improved iterative; matrix; algorithms; algorithm ... See more keywords
Noise Analysis of Zero-Forcing Nonlinear Equalizers for Coherent WDM Systems
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2900918
Abstract: We explore the fundamental limits on the achievable information rate (AIR) of fiber-optic coherent transmission systems equipped with ideal zero-forcing nonlinear equalizer (ZFNLE). In the absence of amplifier noise, the ZFNLE forces the nonlinear signal-signal… read more here.
Keywords: zero forcing; noise analysis; forcing nonlinear; noise ... See more keywords
Optimal User Loading in Massive MIMO Systems With Regularized Zero Forcing Precoding
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2016.2638914
Abstract: We consider a downlink massive multiple-input multiple output system employing regularized zero-forcing precoding. We derive the asymptotic signal-to-leakage-plus-noise ratio (SLNR) as both the number of antennas and the number of users go to infinity at… read more here.
Keywords: zero forcing; ratio; user loading; forcing precoding ... See more keywords
Fully Decentralized Approximate Zero-Forcing Precoding for Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2019.2892044
Abstract: We analyze the downlink of a massive multiuser multiple input, multiple output (MIMO) system where antenna units at the base station are connected in a daisy chain without a central processing unit and only possess… read more here.
Keywords: fully decentralized; mimo systems; zero forcing; forcing precoding ... See more keywords
A Case Study on the Influence of Multiple Users on the Effective Channel in a Massive MIMO System
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2019.2957077
Abstract: We investigate the importance of weak clusters when modeling a wireless massive MIMO channel. We do this by studying the influence of densely spaced terminals and the number of base-station antennas for a zero-forcing precoded… read more here.
Keywords: mimo; mimo system; influence; zero forcing ... See more keywords
Downlink Massive MU-MIMO With Successively-Regularized Zero Forcing Precoding
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3218597
Abstract: In this letter, we consider linear precoding for downlink massive multi-user (MU) multiple-input multiple-output (MIMO) systems. We propose the novel successively-regularized zero forcing (SRZF) precoding, which exploits successive null spaces of the MIMO channels of… read more here.
Keywords: successively regularized; regularized zero; forcing precoding; srzf precoding ... See more keywords
Low-Complexity Nonlinear Zero-Forcing Precoding Under Per-Line Power Constraints for Improved Downstream G.fast Active-User Peak-Rates
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2018.2799613
Abstract: We consider nonlinear zero-forcing (ZF) precoding design to improve the downstream G.fast peak-rates when only a few users in the cable binder are active. In order to compute the optimal nonlinear ZF precoder under per-line… read more here.
Keywords: zero forcing; complexity; line; power ... See more keywords
Partial Zero-Forcing for Multi-Way Relay Networks
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2018.2828107
Abstract: The ever increasing demands for mobile network access have resulted in a significant increase in bandwidth usage. By improving the system spectral efficiency, multi-way relay networks (MWRNs) provide promising approaches to address this challenge. In… read more here.
Keywords: way relay; zero forcing; relay; relay networks ... See more keywords
Multi-User Regularized Zero-Forcing Beamforming
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2019.2905833
Abstract: Regularized zero-forcing beamforming (RZFB) is an interesting class of linear signal processing problems, which is very attractive for use in large-scale communication networks due its simple visualization as a straightforward extension of the well-accepted zero-forcing… read more here.
Keywords: forcing beamforming; regularized zero; zero forcing; user regularized ... See more keywords