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The Gateway Channel: Outage Analysis
2008
IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference
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In each case, the outage capacity and the diversity-multiplexing tradeoff are calculated. ...
We consider a relay that simultaneously assists multiple source-destination pairs that do not have a direct link, the so-called gateway channel, and explore the sum capacity of this network in the presence ...
We calculate the outage probability and the diversity multiplexing trade-off (DMT) in both channel access schemes. ...
doi:10.1109/glocom.2008.ecp.204
dblp:conf/globecom/AbouelseoudN08
fatcat:fle5aptlizccpje3d74auhtq7e
Opportunistic Wireless Relay Networks: Diversity-Multiplexing Tradeoff
2011
IEEE Transactions on Information Theory
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Index Terms-Cooperative communication, diversity multiplexing trade-off (DMT), opportunistic communication, relay networks. ...
Finite-precision feedback is analyzed for the opportunistic multiple-access relay channel, the opportunistic broadcast relay channel, and the opportunistic gateway channel, and is shown to be almost as ...
Fig. 9 . 9 Diversity multiplexing trade-off for a 2-pair shared relay channel, demonstrating the performance of various protocols.
Fig. 10 . 10 Multiple access relay channel. ...
doi:10.1109/tit.2011.2165153
fatcat:ulmydmpsabdv7e2vmolbj4hsii
Opportunistic Wireless Relay Networks: Diversity-Multiplexing Tradeoff
[article]
2011
arXiv
pre-print
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Finite-precision feedback is analyzed for the opportunistic multiple-access relay channel, the opportunistic broadcast relay channel, and the opportunistic gateway channel, and is shown to be almost as ...
It is shown that compress-forward relaying achieves the DMT upper bound in the opportunistic multiple-access relay channel as well as in the opportunistic nxn user network with relay. ...
OPPORTUNISTIC MULTIPLE ACCESS AND BROADCAST RELAY CHANNELS The multiple access relay channel (MARC) [36] consists of the standard multiple access channel together with one relay (see Figure 10 ). ...
arXiv:1104.4491v1
fatcat:gqoefiopungj7kykhvnity4vlq
Cooperative relay techniques for cognitive radio systems: Spectrum sensing and secondary user transmissions
2012
IEEE Communications Magazine
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We discuss the use of cooperative relays for the secondary transmissions with a primary user's quality-of-service (QoS) constraint, for which a diversity-multiplexing trade-off is developed. ...
We also discuss the use of cooperative relays for the secondary transmissions with a primary QoS constraint and provide a diversity-multiplexing trade-off evaluation. ...
doi:10.1109/mcom.2012.6178840
fatcat:rwgdc4y5fngftckjiakvheu5um
Fairness in Radio Resource Management for Wireless Networks
2009
EURASIP Journal on Wireless Communications and Networking
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However, opportunistic RRM techniques always favor advantaged users who have good channel conditions and/or low interference levels. ...
Radio resource management (RRM) techniques such as admission control, scheduling, subcarrier allocation, channel assignment, power allocation, and rate control are essential for maximizing the resource ...
The first paper titled "Outage probability versus fairness trade-off in opportunistic relay selection with outdated CSI" by J. L. ...
doi:10.1155/2009/642878
fatcat:oscdq6iirnfplopphodljibzrm
Spectrum Leasing via Cooperative Opportunistic Routing Techniques
2011
IEEE Transactions on Wireless Communications
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These policies are designed to span different operating points in the trade-off between gains in throughput and overall energy expenditure for the primary network. ...
Finally, numerical results demonstrate the advantages of the proposed spectrum leasing solution based on opportunistic routing and illustrate the trade-offs between primary throughput and energy consumption ...
networks over fading channels by exploiting the channel diversity offered by the availability of multiple possible next hops. ...
doi:10.1109/twc.2011.072011.101908
fatcat:6ikwlblofnfnnhk2slpdjwqmaq
Implementing cooperative diversity antenna arrays with commodity hardware
2006
IEEE Communications Magazine
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In this article we summarize the main challenges in implementation of cooperative diversity antenna arrays for realistic wireless networks. ...
Despite the plethora of recently proposed theoretical approaches that promise gains due to diversity at the physical layer though cooperation (cooperative diversity), there is not much work in the implementation ...
ACKNOWLEDGMENTS The authors would like to thank the members of the Viral Communications Group at the MIT Media Lab for their invaluable help throughout this work. ...
doi:10.1109/mcom.2006.273097
fatcat:ugqaw4vqvbhtdhnfzzgpdboura
On the Impact of Relay-side Channel State Information on Opportunistic Relaying
[article]
2013
arXiv
pre-print
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In this paper, outage performance of network topology-aware distributed opportunistic relay selection strategies is studied with focus on the impact of different levels of channel state information (CSI ...
In addition, when only statistical CSI is available, achieving the same diversity order is associated with a clear performance degradation at low SNR due to splitting of system resources between multiple ...
Motivation and related work Cooperative relaying has been recognized as a cost-effective alternative to achieve diversity/multiplexing gains, by forming a virtual multi-antenna system from multiple single-antenna ...
arXiv:1306.2735v1
fatcat:egl6v3q5mjbnhbvvjvwyjg2pam
Power-Domain Non-Orthogonal Multiple Access (NOMA) in 5G Systems: Potentials and Challenges
2017
IEEE Communications Surveys and Tutorials
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2016 pre-print arXiv:1609.06261v1 fatcat:zrvsnyy64fc2lfkjkebugoduna
Non-orthogonal multiple access (NOMA) is one of the promising radio access techniques for performance enhancement in next-generation cellular communications. ...
Compared to orthogonal frequency division multiple access (OFDMA), which is a well-known high-capacity orthogonal multiple access (OMA) technique, NOMA offers a set of desirable benefits, including greater ...
ACKNOWLEDGEMENT The authors would like to thank the anonymous reviewers for their valuable comments and suggestions to improve the quality of the paper. ...
doi:10.1109/comst.2016.2621116
fatcat:zi6masg6pff7vaeuxlelz2haay
Cognitive radio in 5G: a perspective on energy-spectral efficiency trade-off
2014
IEEE Communications Magazine
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Figure 4 .Figure 5 . 45 EE-SE trade-off of cognitive Rayleigh relay channel at the link level. ...
For cooperative cognitive networks, the linklevel and cell-level EE-SE trade-off concerning multiple antennas and multiple users has yet to be fully studied, while the system-level analysis is still by ...
doi:10.1109/mcom.2014.6852082
fatcat:7bigooefaff2tio4icvoaa3qyi
DMT Optimal Cooperative Protocols with Destination-Based Selection of the Best Relay
2011
IEEE Transactions on Wireless Communications
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Index Terms-Cooperative communications, multiple access control (MAC) protocols, diversity multiplexing trade-off (DMT). ...
The on-demand approach allows maximization of the spatial multiplexing gain and the cooperation of the best relay allows maximization of the spatial diversity order. ...
Moreover, this paper focused on the trade-off between the spatial diversity gain and the spatial multiplexing gain. ...
doi:10.1109/twc.2011.051311.101001
fatcat:jyqfbbvu4na7lfc4tn3eraoeze
2013 Index
2014
IEEE Transactions on Wireless Communications
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The Author Index contains the primary entry for each item, listed under the first author's name. ...
Bai, Jingwen, +, TWC August 2013 Diversity-Multiplexing Trade-off for Relay Thai, Chan Dai Truyen, +, TWC July 2013 3289-3299 eICIC -A Proactive Strategy for Improving Spectral Efficiencies of Heterogeneous ...
Wei, +, TWC April 2013 1800-1811 Diversity-Multiplexing Trade-off for Coordinated Direct and Relay Thai, Chan Dai Truyen, +, TWC July 2013 3289-3299 Dynamic Control of Coding for Progressive Packet Arrivals ...
doi:10.1109/twc.2011.09.499-tw1401-index
fatcat:w5ya5mg3sbcodb2crtuaoyk3su
Randomized Distributed Spatial Multiplexing: Adding capacity to the cell edge
2013
2013 47th Annual Conference on Information Sciences and Systems (CISS)
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Consequently, in a wireless network, where multiple sources compete for channel access, the overall system aggregated throughput is also improved. ...
This paper explores the spatial multiplexing gain in a relay assisted distributed wireless network, where multiple relays, each with a single antenna, form a virtual antenna array to transmit to a receiver ...
Other papers [7] [8] discuss the diversity-multiplexing trade-off in a cooperative network. ...
doi:10.1109/ciss.2013.6552298
dblp:conf/ciss/LuoLP13
fatcat:crmwreuckfcwxjntjwewcee2gy
A Robust Opportunistic Relaying Strategy for Co-Operative Wireless Communications
2016
IEEE Transactions on Wireless Communications
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From the perspective of multiplexing-diversity trade-off, the proposed scheme is the best cooperative solution until now. ...
Next, the following works are worth being explored: 1) making clear the optimal number of selected relays from the viewpoint of multiplexing-diversity trade-off, 2) designing a robust scheme for amplify-and-forward ...
doi:10.1109/twc.2015.2506574
fatcat:sbnjxgnusnhpbkh5d3u6oe2d6e
Full duplex techniques for 5G networks: self-interference cancellation, protocol design, and relay selection
2015
IEEE Communications Magazine
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PLR/delay trade-off constitutes a promising study item. ...
Opportunistic hybrid scheme: Opportunistic duplex-mode resource allocation is motivated by resolving the fundamental trade-off between the achievable SE and the attained SI suppression capability. ...
doi:10.1109/mcom.2015.7105651
fatcat:lyqt3b26mndxnjbxef6qcddltq
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