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Analysis of Joint Transmit-Receive Diversity in Downlink MIMO Heterogeneous Cellular Networks [article]

Ralph Tanbourgi and Harpreet S. Dhillon and Friedrich K. Jondral
2015 arXiv   pre-print
law, and number of transmit (Tx) antennas.  ...  interference correlation across Rx antennas; (ii) ignoring spatial interference correlation significantly overestimates the performance of IA-MRC; (iii) for small number of Rx antennas, selection combining  ...  MIMO, on the other hand, can increase link reliability and/or capacity by leveraging the spatial degrees-offreedom in fading channels.  ... 
arXiv:1412.7557v4 fatcat:jt5tuuzkdjakhfwgod7s6f7hk4

Performance Analysis of Two-Branch Transmit Diversity Block-Coded OFDM Systems in Time-Varying Multipath Rayleigh-Fading Channels

D.-B. Lin, P.-H. Chiang, H.-J. Li
2005 IEEE Transactions on Vehicular Technology  
Index Terms-Transmit diversity, space-time block coding, OFDM, ICI, performance analysis, bit error outage, Rayleigh fading channel.  ...  Additionally, assuming sufficient cyclic prefix (CP), the performances of all systems in spatially uncorrelated time-varying multipath Rayleigh fading channels are evaluated by theoretical derivation and  ...  INTRODUCTION Space-time block coding (STBC) or transmit diversity block coding (TDBC), an effective transmit diversity technique, was first proposed by Alamouti [1] for flat fading channels.  ... 
doi:10.1109/tvt.2004.838826 fatcat:prvyehjoovditlxs2nhg2jho6y

Performance Comparison of Different Spatial Modulation Schemes in Correlated Fading Channels

M. Di Renzo, H. Haas
2010 2010 IEEE International Conference on Communications  
Performance comparison with other proposed SM schemes over fading channels will evidence two main benefits of TOSD-SM: i) transmit-diversity gains, and ii) intrinsic robustness to spatial correlation of  ...  channel fading.  ...  fading channels, and it is known that channel correlation is the main aspect to be considered to enable SM capabilities 1 , iii) the few studies related to the analysis of the effect of fading spatial  ... 
doi:10.1109/icc.2010.5501948 dblp:conf/icc/RenzoH10a fatcat:aflqh3uxfvfubicmdhxzjvwvb4

A Novel Spatial Modulation Scheme Over Correlated Fading Channels

Peng Zhang, Dongfeng Yuan, Haixia Zhang
2012 Journal of Communications  
A novel spatial modulation (SM) scheme suitable for correlated Rician fading scenario is proposed with the help of the key idea of Ungerboeck's set partitioning.  ...  significantly over the fading channels with strong correlation or large Rician factor.  ...  Performance of the traditional SM scheme Based on the channel model of (13), [9] has proposed a general method for the error analysis of SM systems over correlated/uncorrelated Rayleigh and Rician fading  ... 
doi:10.4304/jcm.7.11.847-857 fatcat:77nfnq2xq5a6bbojdrw2tml5rm

Designing PSAM schemes: How optimal are SISO pilot parameters for spatially correlated SIMO?

Xiangyun Zhou, Tharaka A. Lamahewa, Parastoo Sadeghi, Salman Durrani
2008 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications  
We study the design parameters of pilot-symbolassisted modulation (PSAM) schemes for spatially correlated single-input multiple-output (SIMO) systems in time-varying Gauss-Markov flat-fading channels.  ...  spatial channel correlation.  ...  The impact of channel spatial correlations on the capacity has been studied mainly in non-PSAM schemes.  ... 
doi:10.1109/pimrc.2008.4699449 dblp:conf/pimrc/ZhouLSD08 fatcat:ntsi6emarngk7l4y5mctuhixcy

Distributed Space–Time Cooperative Schemes for Underwater Acoustic Communications

Madhavan Vajapeyam, Satish Vedantam, Urbashi Mitra, James C. Preisig, Milica Stojanovic
2008 IEEE Journal of Oceanic Engineering  
Index Terms-Cooperative diversity methods, multiple-inputmultiple-output (MIMO) fading channels, underwater sensor networks.  ...  The Alamouti-based cooperative scheme proposed by Hua et al. (2003) for flat-fading channels is generalized to work in the presence of multipath, thus addressing a main characteristic of underwater acoustic  ...  As expected, for large estimation errors, the system cannot take full advantage of the spatial diversity, and significant performance deterioration occurs. 2) Sensitivity to Channel Time Variations: To  ... 
doi:10.1109/joe.2008.2005338 fatcat:uankwecw2bgbnnhcy4i7ojzwiu

Outage Analysis of Partial Relay Selection Schemes with Feedback Delay and Channel Estimation Errors in Nonidentical Rayleigh Fading Channels

Jung-Bin Kim, In-Ho Lee
2017 International Journal of Antennas and Propagation  
This paper investigates the impact of the channel estimation error and outdated channel state information (CSI) on the outage performances of partial relay selection (PRS) and efficient partial relay selection  ...  PRS and EPRS are provided assuming independent and nonidentically distributed Rayleigh fading channels.  ...  Furthermore, the impact of channel estimation errors on the outage performance is much more serious than feedback delay, since the channel estimation errors induce a considerable reduction in the diversity  ... 
doi:10.1155/2017/1862391 fatcat:xbywgzy4pzg3rjxvimecl6bldy

Enabling URLLC for Low-Cost IoT Devices via Diversity Combining Schemes [article]

Onel L. Alcaraz López, Nurul Huda Mahmood, Hirley Alves
2020 arXiv   pre-print
Herein, we analyze Selection Combining (SC) and Switch and Stay Combining (SSC) diversity schemes as plausible solutions for enabling ultra-reliable low-latency downlink communications to low-cost IoT  ...  We propose using a fixed threshold relying only on long-term channel fading statistics, which leads to near-optimum results.  ...  ACKNOWLEDGMENT This work is partially supported by Academy of Finland 6Genesis Flagship (Grant n.318927, and n.319008, n.307492), FIREMAN (Grant n.326301), and by the Finnish Foundation for Technology  ... 
arXiv:2003.02017v1 fatcat:ccwynvhumfaotbttp3gk6gkn2m

Low-latency Ultra Reliable 5G Communications: Finite-Blocklength Bounds and Coding Schemes [article]

Johan Östman, Giuseppe Durisi, Erik G. Ström, Jingya Li, Henrik Sahlin, Gianluigi Liva
2016 arXiv   pre-print
Focusing on a multi-antenna Rayleigh block-fading channel, we obtain bounds on the maximum number of bits that can be transmitted within given bandwidth, latency, and reliability constraints, using an  ...  These bounds unveil the fundamental interplay between latency, bandwidth, rate, and reliability. Furthermore, they suggest how to optimally use the available spatial and frequency diversity.  ...  We shall also assume that the channels between each transmit-receive antenna pair fade independently (no spatial correlation).  ... 
arXiv:1611.08714v1 fatcat:dv44fywe5fechihxp46c27c3tu

Doppler Shift Compensation Schemes in VANETs

F. Nyongesa, K. Djouani, T. Olwal, Y. Hamam
2015 Mobile Information Systems  
A lot of vehicular ad hoc network (VANET) research has focused on specific areas including channel multiplexing, antenna diversity, and Doppler shift compensation schemes in an attempt to optimize BER  ...  Driven by this cause we survey some of the recent research activities in Doppler shift compensation schemes and highlight challenges and solutions as a stock-taking exercise.  ...  Conflict of Interests The authors declare that there is no conflict of interests regarding the publication of this paper.  ... 
doi:10.1155/2015/438159 fatcat:6yo4rpcuuberfdmjk6a47auzve

A Novel Antenna Selection Scheme for Spatially Correlated Massive MIMO Uplinks with Imperfect Channel Estimation

De Mi, Mehrdad Dianati, Sami Muhaidat, Yan Chen
2015 2015 IEEE 81st Vehicular Technology Conference (VTC Spring)  
Simulation results demonstrate that when the impacts of spatial correlation and imperfect channel estimation introduced, the proposed scheme in the paper can significantly reduce complexity of the receiver  ...  Widely used models for spatial correlation among the antennas and channel estimation errors are considered in this work.  ...  scheme with the consideration of spatial correlation and imperfect channel estimation.  ... 
doi:10.1109/vtcspring.2015.7145629 dblp:conf/vtc/MiDMC15 fatcat:u4mj7j3u7vapjj4pbsgrq3f2ae

Enhanced opportunistic beamforming scheme for practical broadcast systems

R. Bosisio, J. L. Vicario, U. Spagnolini, C. Anton-Haro
2007 Transactions on Emerging Telecommunications Technologies  
We enhance the OB scheme by matching the beamforming generation to the users channels spatial patterns.  ...  (a) Aggregate average scheduled SNR S versus channel decorrelation ρ for Cluster-EB, EB and OB schemes. (b) Cumulative density function of the scheduled SNR γ * .  ...  ACKNOWLEDGMENT This work was partially supported by Network of Excellence in Wireless Communications (NEWCOM) within Cluster 2.  ... 
doi:10.1002/ett.1229 fatcat:54t6i3neorgb5lntqb5dqwsj3e

Performance Analysis of FSO Communication Systems with Higher-Order Spatial Diversity Schemes Using BPSK-SIM over Log-Normal Atmospheric Turbulence Channels

Okikiade A. Layioye, Thomas J. O. Afullo, Pius A. Owolawi
2017 Journal of Communications  
Also, their channel capacities were ≈ 74%, 77%, 85% and 89% respectively better than the "non-diversity" FSO system at SNR of 30 dB.   ...  However, the performance of the FSO channel is limited due to atmospheric turbulence and severe weather conditions.  ...  ACKNOWLEDGMENT One of the authors of this paper hereby wishes to acknowledge the financial support of the University of KwaZulu-Natal, Durban, South Africa, towards his ongoing PhD.  ... 
doi:10.12720/jcm.12.7.379-394. fatcat:4aj63ch3pndfvdzdjycvxvxmri

A collaborative physical layer security scheme

Dimitrios Efstathiou
2019 International Journal of Electrical and Computer Engineering (IJECE)  
These research efforts investigate fading, interference, and path diversity to develop security techniques for implementation in 5G New Radio (NR).  ...  An eavesdropper, does not have access to the information of the pilot subcarriers positions so, it performs blind channel estimation.  ...  ACKNOWLEDGEMENTS The author wishes to acknowledge the financial support provided by the Research Committee of the Technological Educational Institute of Central Macedonia under the grant SAT/GS/15/1/17  ... 
doi:10.11591/ijece.v9i3.pp1924-1934 fatcat:vnmzlya5rnd6xmprc232wg7oxa

Hybrid Transceiver Schemes for Spatial Multiplexing and Diversity in MIMO Systems

W.C. Freitas Júnior, F.R.P. Cavalcanti, R.R. Lopes
2005 Journal of Communication and Information Systems  
In this article, we present hybrid multiple-input multiple-output (MIMO) transceiver schemes (HMTS) that combine transmit diversity and spatial multiplexing, thus achieving at the same time the two possible  ...  We propose a novel MIMO receiver architecture to cope with the hybrid transmission schemes by jointly performing the tasks of interference cancellation and space-time decoding.  ...  ACKNOWLEDGMENT The authors would like to thank André de Almeida and Charles Casimiro for the fruitful discussions and suggestions.  ... 
doi:10.14209/jcis.2005.21 fatcat:nvcaqw5crvbkdkxjrpe77e7ace
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