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Autor:
Abanto-Leon, L. F., Krishnamoorthy, A., Garcia-Saavedra, A., Sim, G. H., Schober, R., Hollick, M.
This paper investigates the radio resource management (RRM) design for multiuser rate-splitting multiple access (RSMA), accounting for various characteristics of practical wireless systems, such as the use of discrete rates, the inability to serve al
Externí odkaz:
http://arxiv.org/abs/2404.19611
The aim of this paper is to characterize the impact of non-orthogonal multiple access (NOMA) on the age of information (AoI) of grant-free transmission. In particular, a low-complexity form of NOMA, termed NOMA-assisted random access, is applied to g
Externí odkaz:
http://arxiv.org/abs/2211.13773
In most existing works on non-orthogonal multiple access (NOMA), the decoding order of successive interference cancellation (SIC) is prefixed and based on either the users' channel conditions or their quality of service (QoS) requirements. A recent w
Externí odkaz:
http://arxiv.org/abs/2005.10217
The key idea of non-orthogonal multiple access (NOMA) is to serve multiple users simultaneously at the same time and frequency, which can result in excessive multiple-access interference. As a crucial component of NOMA systems, successive interferenc
Externí odkaz:
http://arxiv.org/abs/2005.10215
Semi-grant-free (SGF) transmission has recently received significant attention due to its capability to accommodate massive connectivity and reduce access delay by admitting grant-free users to channels which would otherwise be solely occupied by gra
Externí odkaz:
http://arxiv.org/abs/2004.12997
Autor:
Krishnan, R., Khanzadi, M. R., Krishnan, N., Wu, Y., Amat, A. Graell i, Eriksson, T., Schober, R.
We study the impact of phase noise on the downlink performance of a multi-user multiple-input multiple-output system, where the base station (BS) employs a large number of transmit antennas $M$. We consider a setup where the BS employs $M_{\mathrm{os
Externí odkaz:
http://arxiv.org/abs/1501.05461
This paper presents two methods for approximating the performance of coded multicarrier systems operating over frequency-selective, quasi-static fading channels with non-ideal interleaving. The first method is based on approximating the performance o
Externí odkaz:
http://arxiv.org/abs/cs/0603131
In this paper, we analyze the frequency-hopping orthogonal frequency-division multiplexing (OFDM) system known as Multiband OFDM for high-rate wireless personal area networks (WPANs) based on ultra-wideband (UWB) transmission. Besides considering the
Externí odkaz:
http://arxiv.org/abs/cs/0509096
Akademický článek
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Most algorithms developed for the optimization of Intelligent Reflecting Surfaces (IRSs) so far require knowledge of full Channel State Information (CSI). However, the resulting acquisition overhead constitutes a major bottleneck for the realization
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2127::e537aa13212bbeaf56ef706b4b034993
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3034865
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3034865