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Outage Exponents of Block-Fading Channels With Power Allocation
2010
IEEE Transactions on Information Theory
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Power allocation is studied for fixed-rate transmission over block-fading channels with arbitrary continuous fading distributions and perfect transmitter and receiver channel state information. ...
It is shown that the short-and long-term outage exponents for arbitrary input distributions are related through a simple formula. ...
additive Gaussian channels is introduced in [10] showing that for any input distribution and constellation (4) where is the MMSE in estimating the input symbol transmitted over an AWGN channel with ...
doi:10.1109/tit.2010.2043768
fatcat:lgq42lxeajgthf3y6msgryawx4
Outage Exponent: A Unified Performance Metric for Parallel Fading Channels
2013
IEEE Transactions on Information Theory
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2013 pre-print arXiv:1307.4822v1 fatcat:o2bhpgsvtrf7jjvlpaoagoitmm
Therefore, the proposed outage exponent provides a complete and comprehensive performance measure for parallel fading channels. ...
To the best of our knowledge, the previous works only studied the asymptotic outage performance of the parallel fading channel which are only valid for a large number of subchannels or high SNRs. ...
For the parallel fading channel with L subchannels, it is very difficult to estimate λ in theory. ...
doi:10.1109/tit.2012.2227454
fatcat:5jupwcr43velzesr63gjjahmam
Outage performance analysis of multicarrier relay selection for cooperative networks
2017
2017 IEEE Symposium on Computers and Communications (ISCC)
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Keywords-Multicarrier relay selection, parallel fading channel, cooperative systems, outage performance. • We obtain closed-form asymptotic expressions for the outage probability with different selection ...
schemes at high SNR and also derive diversity gains. ...
selections over the parallel fading channel. ...
doi:10.1109/iscc.2017.8024673
dblp:conf/iscc/DangCCS17
fatcat:mvwq2nhp6fhr3om72tqezh6mxu
Local Diversity and Ultra-Reliable Antenna Arrays
[article]
2021
arXiv
pre-print
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Characterisation of the UR-relevant statistics is difficult due to the rare nature of outage events, but diversity defines the asymptotic behaviour of the small-scale fading distributions' lower tail. ...
For more than four independent antenna elements, the classic diversity overestimates and underestimates the slope of the cumulative density function for weak and strong deterministic channel components ...
Evaluation of the fading margin and distribution mean reinforces that a dense deployment of smaller base stations with the potential for increased deterministic radio channels is preferable over very large ...
arXiv:2108.00712v2
fatcat:msf7j4l2rzedlkfakrxp2v6dky
Performance of Downlink CDMA-SFBC Over Weibull Fading Channels
2012
Journal of Communications
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fading channels. ...
The derived expressions are evaluated considering different amounts of channel estimation error, different Mary size, different fading severities and different SFBC forms. ...
In [20] , Alouini et al. evaluated the outage probability of diversity systems with maximalratio combining (MRC) over generalized fading channels using a moment generating function-based technique. ...
doi:10.4304/jcm.7.4.321-328
fatcat:fbkv2f2cqbbibolzkdshkzy33q
Simulative Investigation of MIMO-OFDM-FSOC System over Modified Malaga Distributed Composite Atmospheric Channel
2024
Journal of Scientific and Industrial Research
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The performance of each switching scheme is evaluated under the power-series represented Malaga distributed composite channel which comprise of losses due to turbulence-induced fading and pointing error ...
Amplitude Modulation (QAM)-OFDM multiplexed data streams are transmitted over a composite Malaga atmospheric channel by selecting any one of the switching transmission schemes: diversity, hybrid, or spatial ...
To estimate pointing errors, a LDPC-coded hybrid OFDM-MIMO-FSOC system was examined over a composite EW fading channel. ...
doi:10.56042/jsir.v83i2.5331
fatcat:nzkba7qgqfcchhlxnxmfd6vyaa
Nearest Neighbor Decoding in MIMO Block-Fading Channels With Imperfect CSIR
2012
IEEE Transactions on Information Theory
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The results hold for many fading distributions, including Rayleigh, Rician, Nakagami-, Nakagami-and Weibull as well as for optical wireless scintillation distributions such as lognormal-Rice and gamma-gamma ...
This paper studies communication outages in multiple-input multiple-output (MIMO) block-fading channels with imperfect channel state information at the receiver (CSIR). ...
ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers and the associate editor for their constructive comments that helped in improving the paper. ...
doi:10.1109/tit.2011.2173719
fatcat:bf4u4oqe4bd53bklpveluf7pwu
Low-Density Parity-Check Codes for Nonergodic Block-Fading Channels
2010
IEEE Transactions on Information Theory
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We solve the problem of designing powerful low-density parity-check (LDPC) codes with iterative decoding for the block-fading channel. ...
This family competes with multiplexed parallel turbo codes suitable for nonergodic channels and recently reported in the literature. ...
Duyck from Ghent University for his detailed and precious comments. ...
doi:10.1109/tit.2010.2053890
fatcat:xwccpiko4fbfrgo4g5qa3pwrhy
Irregular turbo codes in block-fading channels
2010
2010 IEEE International Symposium on Information Theory
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2010 pre-print arXiv:1006.0646v1 fatcat:vblu7zj5hfdhvcq2oo35a2wf4e
We study irregular binary turbo codes over non-ergodic block-fading channels. We first propose an extension of channel multiplexers initially designed for regular turbo codes. ...
We then show that, using these multiplexers, irregular turbo codes that exhibit a small decoding threshold over the ergodic Gaussian-noise channel perform very close to the outage probability on block-fading ...
IRREGULAR TURBO CODES OVER BLOCK-FADING CHANNELS In [7] , the authors proposed multiplexer design for regular parallel turbo codes that ensure full diversity and optimal coding gain. ...
doi:10.1109/isit.2010.5513370
dblp:conf/isit/KraidyBF10
fatcat:lmtuszwt6zastb5f47nzlzqhne
Transmit antenna selection for decision feedback detection in MIMO fading channels
2009
IEEE Transactions on Wireless Communications
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In this paper, we investigate a transmit antenna selection (TAS) approach for the decision-feedback detector (DFD) over Rayleigh fading channels. ...
In particular, for a multipleinput multiple-output (MIMO) channel with transmit and ( ≥ ) receive antennas, we derive a lower bound on the outage probability for the TAS approach. ...
ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their constructive comments which helped improve the quality of this manuscript. ...
doi:10.1109/twc.2009.081405
fatcat:vassk6w57reibhffrrtvsar4p4
Approximately universal codes over slow-fading channels
2006
IEEE Transactions on Information Theory
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., they optimally tradeoff the diversity and multiplexing gains for every statistical characterization of the fading channel. ...
Performance of reliable communication over a coherent slow fading MIMO channel at high SNR is succinctly captured as a fundamental tradeoff between diversity and multiplexing gains. ...
H.1 The outage curve for general fading distributions For a general fading distribution, F , we want to calculate the probability of outage. ...
doi:10.1109/tit.2006.876226
fatcat:hvnfydhybbcbpfnslvmhzivbva
AF Cooperative CDMA Outage Probability Analysis in Nakagami-$m$ Fading Channels
2013
IEEE Transactions on Vehicular Technology
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The performance of amplify-and-forward (AF) cooperative code-division multiple-access (CDMA) systems is analyzed over independent nonidentical (i.n.i.) Nakagami-m fading channels. ...
The derived asymptotic outage probability is used to evaluate the achievable diversity order for various system parameters. Simulations are presented to verify the accuracy of our analytical results. ...
Fig. 1 . 1 Outage probability for cooperative AF DS-CDMA over the i.i.d. Nakagami-m fading channel. ...
doi:10.1109/tvt.2012.2227576
fatcat:ohctesihyzazrahslcbzmxicp4
MIMO channels: optimizing throughput and reducing outage by increasing multiplexing gain
2020
TELKOMNIKA (Telecommunication Computing Electronics and Control)
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The two main aims of deploying multiple input multiple out (MIMO) are to achieve spatial diversity (improves channel reliability) and spatial multiplexing (increase data throughput). ...
Achieving both in a given system is impossible for now, and a trade-off has to be reached as they may be conflicting objectives. ...
Multi-path fading properties of a channel change over relatively longer timescales (compared to receiver noise) and the fading state stays fairly constant over an interval called the channel coherence ...
doi:10.12928/telkomnika.v18i1.8720
fatcat:fpxjoz2shrhibbcezp23kmutq4
MIMO ARQ With Multibit Feedback: Outage Analysis
2012
IEEE Transactions on Information Theory
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The optimal SNR-exponent and outage diversity of INR-ARQ transmission over the MIMO block-fading channel are then analysed. ...
This paper studies the asymptotic outage performance of incremental redundancy automatic-repeat-request (INR-ARQ) transmission over multiple-input multiple-output (MIMO) block-fading channels with discrete ...
(ARQ) schemes over a block-fading channel. ...
doi:10.1109/tit.2011.2170919
fatcat:pg2zyyv3erf7phxfkpthaquotm
Performance Analysis for Lossy-Forward Relaying Over Nakagami- $m$ Fading Channels
2017
IEEE Transactions on Vehicular Technology
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We investigate the performance of three-node lossyforward (LF) relaying over independent block Nakagami-m fading channels. ...
Index Terms-outage probability, relay channels, lossy forward, Nakagami-m fading, equivalent diversity order, coding gain, -outage achievable rate, optimal relay location ...
The major contributions of this paper are as follows. • The exact outage probability for the LF relaying over Nakagami-m fading channels is derived. ...
doi:10.1109/tvt.2017.2743498
fatcat:sfei2hj2mzbxthsctoibyn3wby
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