Results 11 to 20 of about 229,527 (307)

New Bounds on Capacity Region of Multiple Access Channels in Visible Light Communications

open access: yesEntropy, 2022
In this paper, we propose new inner and outer bounds of the capacity region for multiple access channels in visible light communication (VLC) networks under both peak and average optical power constraints.
Ruixin Yang   +5 more
doaj   +1 more source

The Broadcast Approach in Communication Networks

open access: yesEntropy, 2021
In this paper we review the theoretical and practical principles of the broadcast approach to communication over state-dependent channels and networks in which the transmitters have access to only the probabilistic description of the time-varying states ...
Ali Tajer   +2 more
doaj   +1 more source

Security performance analysis for cell-free massive multiple-input multiple-output system with multi-antenna access points deployment in presence of active eavesdropping

open access: yesInternational Journal of Distributed Sensor Networks, 2022
This article investigates the influence of multiple-antenna deployment at access points on physical layer security under cell-free massive multiple-input multiple-output systems.
Xiaoyu Wang   +4 more
doaj   +1 more source

The dirty MIMO multiple-access channel [PDF]

open access: yes2016 IEEE International Symposium on Information Theory (ISIT), 2016
To appear, IEEE Transactions on Information ...
Anatoly Khina, Yuval Kochman, Uri Erez
openaire   +4 more sources

Multiple Access Relay Channel With Relay-Sources Feedback

open access: yesIEEE Access, 2018
Feedback analysis on the rate region of multi-user channels is a problem of great importance in information and communication theory. In this paper, the Slepian-Wolf multiple access relay channel (SW-MARC) with relay-sources feedback is studied as a more
Ehsan Moeen Taghavi   +1 more
doaj   +1 more source

Cognition and Cooperation in Interfered Multiple Access Channels

open access: yesEntropy, 2017
In this work, we investigate a three-user cognitive communication network where a primary two-user multiple access channel suffers interference from a secondary point-to-point channel, sharing the same medium. While the point-to-point channel transmitter—
Jonathan Shimonovich   +2 more
doaj   +1 more source

Is NOMA Efficient in Multi-Antenna Networks? A Critical Look at Next Generation Multiple Access Techniques

open access: yesIEEE Open Journal of the Communications Society, 2021
In the past few years, a large body of literature has been created on downlink Non-Orthogonal Multiple Access (NOMA), employing superposition coding and Successive Interference Cancellation (SIC), in multi-antenna wireless networks.
Bruno Clerckx   +9 more
doaj   +1 more source

Faster Deterministic Wakeup in Multiple Access Channels [PDF]

open access: yesDiscrete Applied Mathematics, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
DE MARCO, Gianluca   +2 more
openaire   +9 more sources

Compound Multiple-Access Channels With Partial Cooperation [PDF]

open access: yesIEEE Transactions on Information Theory, 2009
A two-user discrete memoryless compound multiple access channel with a common message and conferencing decoders is considered. The capacity region is characterized in the special cases of physically degraded channels and unidirectional cooperation, and achievable rate regions are provided for the general case.
O. Simeone   +4 more
openaire   +3 more sources

Random access over multiple access channels: A queuing perspective [PDF]

open access: yes2008 42nd Annual Conference on Information Sciences and Systems, 2008
This paper investigates a slotted random access system where packet capture is modeled using communication theoretic techniques. It is shown that the optimum rates and attempt probabilities depend on the receiver architecture, operating signal-to-noise ratio (SNR) and block length.
Bodas, Shreeshankar   +2 more
openaire   +2 more sources

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