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Achievable rates optimization for broadcast channels using finite size constellations under transmission constraints
2013
EURASIP Journal on Wireless Communications and Networking
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In this paper, maximal achievable rate regions are derived for power-constrained AWGN broadcast channel involving finite constellations and two users. ...
The maximal achievable rates are obtained by optimizing over both the joint distribution of probability and over the constellation symbol positions. ...
For broadcast channels, the achievable rate region for two-user AWGN broadcast channels with finite input alphabets is derived in [20] when superposition of modulated signal is used as transmission strategy ...
doi:10.1186/1687-1499-2013-254
fatcat:3l5btyq2tjemfarmcks7swu7by
On the efficiency of transmission strategies for broadcast channels using finite size constellations
[article]
2014
arXiv
pre-print
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In this paper, achievable rates regions are derived for power constrained Gaussian broadcast channel of two users using finite dimension constellations. ...
The maximal achievable rates regions for SM and SC strategies are obtained by optimizing over both the joint probability distribution and over the positions of constellation symbols. ...
result in important loss in terms of rates for systems using finite-size constellations especially for loworder constellations. ...
arXiv:1403.2702v2
fatcat:4qmkxe37vjfvfh77fpbmeuho44
On The Efficiency Of Transmission Strategies For Broadcast Channels Using Finite Size Constellations
2013
Zenodo
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result in important loss in terms of rates for systems using finite-size constellations especially for loworder constellations. ...
For broadcast channels, the achievable rates region for two-user AWGN broadcast channels with finite input alphabets are derived in [7] when superposition of modulated signal points is used assuming ...
doi:10.5281/zenodo.43486
fatcat:6xank6sy5vbltlpftoxkdtudku
Comparative assessment of orthogonal and nonorthogonal multiplexing techniques for differentiated satellite broadcasting services
2015
2015 IEEE Symposium on Communications and Vehicular Technology in the Benelux (SCVT)
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Here we design a practical transmitter scheme based on the hierarchical modulation and maximize the throughput by optimizing the achievable mutual information for finite size constellations. ...
This paper presents a comparative assessment of two multiplexing techniques for providing differentiated classes of services over a realistic broadcasting satellite channel under variable link conditions ...
For optimizing the finite size constellations we use the simulated annealing algorithm which has been shown to be very effective. ...
doi:10.1109/scvt.2015.7374227
dblp:conf/scvt/KayhanMTA15
fatcat:er766ujlhvg3dnpkh37cvkf344
Optimization of Unicast Services Transmission for Broadcast Channels in Practical Situations
2012
Bell Labs technical journal
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The achievable rate region is derived for a two-user additive white Gaussian noise (AWGN) broadcast channel and for finite input pulse amplitude modulation (PAM) constellations. ...
The problem of constellation shaping for broadcast transmission in degraded channels remains a challenge. ...
The achievable rate closure region obtained with finite-size constellations is lower than the capacity closure region. ...
doi:10.1002/bltj.21521
fatcat:j4bjzqyvvnatfcyam44yy6sef4
Achievable Secrecy Rates for the Broadcast Channel with Confidential Message and Finite Constellation Inputs
2014
IEEE Transactions on Communications
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The achievable rate regions are derived for the power-constrained Gaussian BCCM with finite input alphabet using various transmission strategies. ...
Index Terms-Information-theoretic security, finite-alphabet input, broadcast channel with confidential message, achievable rate region. ...
Maël Le Treust for the helpful discussions and Prof. Pablo Piantanida for the valuable comments and suggestions to improve the quality of the paper. ...
doi:10.1109/tcomm.2014.2374604
fatcat:xyzu34qjpzhujmnca47y4yhkgi
Linear precoders for multiuser MIMO for finite constellations and a simplified receiver structure under controlled interference
2009
2009 Conference Record of the Forty-Third Asilomar Conference on Signals, Systems and Computers
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It would have exponential search complexity in the number of users and their constellation sizes. ...
However under the controlled interference, intuitive optimal receiver is Maximum Likelihood (ML) detector which would require an exhaustive search of the controlled interferers. ...
The research work leading to this paper has also been partially supported by the European Commission under the IST FP7 research network of excellence NEWCOM++. ...
doi:10.1109/acssc.2009.5469845
fatcat:i7t2jr42d5bu3frhy2xkidlebe
Power-Efficient Resource Allocation for Time-Division Multiple Access Over Fading Channels
2008
IEEE Transactions on Information Theory
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For frequency-flat block-fading channels and transmitters having full channel state information (CSI), we first minimize power under a weighted sum average rate constraint and show that the optimal rate ...
Our approaches not only provide fundamental power limits when each user can support an infinite-size capacity-achieving codebook (continuous rates), but also yield guidelines for practical designs where ...
Time-Division Broadcast Channel In the time-division broadcast setting, rate maximization is sought under an average sum-power constraint . ...
doi:10.1109/tit.2007.915717
fatcat:qiqrrmrzqnhipgztb7cqxejhgi
MIMO ARQ With Multibit Feedback: Outage Analysis
2012
IEEE Transactions on Information Theory
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We first show that transmission with random codes using a discrete signal constellation across all transmit antennas achieves the optimal outage diversity given by the Singleton bound. ...
The optimal SNR-exponent and outage diversity of INR-ARQ transmission over the MIMO block-fading channel are then analysed. ...
Theorem 1: Consider fixed-rate transmission with rate and power over the MIMO block-fading channel in (1) using constellation of size and the transmission scheme described in Section III-B. ...
doi:10.1109/tit.2011.2170919
fatcat:pg2zyyv3erf7phxfkpthaquotm
Optimal DVB-S2 spectral efficiency with hierarchical modulation
[article]
2014
arXiv
pre-print
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In this paper, we show that the optimal transmission rate is the solution of a linear programming problem. We also study the performance of the optimal scheme for a DVB-S2 use case. ...
Recently, we proposed to combine time sharing with hierarchical modulation to increase the transmission rate of broadcast systems. However, the optimal spectral efficiency remained an open question. ...
ACKNOWLEDGMENT The author wishes to thank Jérémy Barbay and the ACGO (algorithms, combinatorics, game theory and optimization) group for useful discussions. ...
arXiv:1411.5098v1
fatcat:huy6gndcwjeorbpctch7hxu57y
Channel capacity for linearly precoded multiuser MIMO for discrete constellations
2009
2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications
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This interference belonging to finite sized constellations has a structure which can be effectively exploited in improving the error resilience at the users. ...
Under such a scenario, it is better to use the degrees of freedom available at the transmitter to improve the desired signal strength at the users instead of utilizing them to nullify or attenuate the ...
The research work leading to this paper has also been partially supported by the European Commission under the IST FP7 research network of excellence NEWCOM++. ...
doi:10.1109/pimrc.2009.5450076
dblp:conf/pimrc/GhaffarK09
fatcat:hfuosjqlfbhlvg6h5p5j5jsjvm
An Overview of Physical Layer Security With Finite-Alphabet Signaling
2019
IEEE Communications Surveys and Tutorials
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Hence, understanding the impact of the finite-alphabet input constraints and designing secure transmission schemes under this assumption is a mandatory step towards a practical implementation of physical ...
Moreover, we present a review of the recent results on secure transmission with discrete signaling for various scenarios including multi-carrier transmission systems, broadcast channels with confidential ...
For example, no results have been reported for interference channels with secrecy constraints under the finite-alphabet input assumption (refer to [147] for an example with Gaussian inputs). ...
doi:10.1109/comst.2018.2880421
fatcat:y4kxllk6jrbhjoztuq4hxynzrm
Cross-layer multicommodity capacity expansion on ad hoc wireless networks of cognitive radios
2008
2008 42nd Annual Conference on Information Sciences and Systems
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throughput above that obtainable using conventional radios (with fixed transmission power and constellation size). ...
Our focus is on demonstrating that joint optimization over transmission power, constellation size, scheduling, and multicommodity flow can achieve greater network performance over optimizing resource allocation ...
Each constellation size must lie in the finite discrete set M, i.e., m ∈ M N , and each power must lie in the finite discrete set P, i.e., p ∈ P N . ...
doi:10.1109/ciss.2008.4558608
dblp:conf/ciss/FridmanWDK08
fatcat:wboavee66fdczeqrgwzadoo2ma
A practical scheduling and power/constellation allocation for three relay networks
2012
EURASIP Journal on Wireless Communications and Networking
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By assuming that transmission time consists of a sequence of phases, we develop a transmission scheme in which spatial multiplexing is achieved by alternating the transmission of a single relay in odd ...
We formalize the problem of maximizing network spectral efficiency optimizing (a) QAM size, (b) power allocation, (c) time allocation, and (d) relays transmitting and receiving at each phase. ...
(10b)-(10d) represent the rate-region of the Gaussian broadcast channel between S and the relays, (ii) constraints (10e)-(10g) represent the rate-region of the Gaussian multiple-access channel with correlated ...
doi:10.1186/1687-1499-2012-128
fatcat:d6eau2on3fcwzhihcpcflg55hi
Downlink Transmission under Heterogeneous Blocklength Constraints: Discrete Signaling with Single-User Decoding
[article]
2023
arXiv
pre-print
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In addition, we derive the finite blocklength achievable rate and use it for guiding the design of channel coding and modulations. ...
Even if SIC is feasible, it may not be perfect under finite blocklength constraints. ...
reliability requirements while achieving near-optimal rates. ...
arXiv:2301.09303v1
fatcat:lptizbb5qzhilekfw4l7jamvsy
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