Multihop Diversity in Wireless Relaying Channels

Boyer, J.; Falconer, D.D.; Yanıkömeroğlu, Halim

doi:10.1109/tcomm.2004.836447

Cited by 611 publications

(419 citation statements)

References 24 publications

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“…It is recalled here that CC systems are among the major emerging wireless technologies capable of providing significant advances in terms of efficiency, connectivity and quality of service. Furthermore, they have been shown to constitute a key contributor towards minimizing traditional requirements for fixed telecommunications infrastructure [21][22][23][24].…”

Section: System and Channel Models 21 Pdn With Res Penetrationmentioning

confidence: 99%

Deployment of wireless sensor network in dispersed renewable energy sources for increasing efficiency of power distribution networks

Tsiftsis

Sofotasios

Papanikolaou

et al. 2015

J. Mod. Power Syst. Clean Energy

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In this work, a novel performance analysis method for evaluating the robustness of emerging power distribution networks (PDNs), which involve deployable renewable energy sources, is proposed. This is realized with the aid of the outage probability (OP) criterion in the context of cooperative communications, which is widely considered in modern wireless communication systems. The main usefulness of this method is that it allows the involved components to communicate to each-other by means of a robust and flexible wireless sensor network architecture. In this context, any conventional medium voltage (MV) bus of the PDN is represented as a wireless relay node where data signals gathered from each MV bus can be forwarded reliably to a control station for the subsequent processing. The received signals at wireless nodes are decoded and then forwarded to ensure minimal errors and maximal robustness at the receiving site. The considered OP analysis denotes the probability that the power of a received information signal drops below a pre-defined threshold which satisfies the acceptable Quality of Service requirements of a reliable signal reception. To this end, simple closed-form expressions are proposed for the OP of a regenerative cooperative-based PDN in the presence of various multipath fading effects, which degrade information signals during wireless transmission. The offered results are rather simple and provide meaningful insights for the design and deployment of smart grid systems.

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Section: System and Channel Models 21 Pdn With Res Penetrationmentioning

confidence: 99%

Deployment of wireless sensor network in dispersed renewable energy sources for increasing efficiency of power distribution networks

Tsiftsis

Sofotasios

Papanikolaou

et al. 2015

J. Mod. Power Syst. Clean Energy

View full text Add to dashboard Cite

show abstract

“…Research in this area has taken into consideration several aspects including distributed coding schemes [13][14][15], retransmission mechanisms [16], and power allocation methods [17,18]. In addition to capacity analysis, it has been shown that cooperative relaying can provide some spacial diversity gain due to the fading effect of the radio channel caused by obstacles and multi-path propagation [8,19], even though there is an obvious trade-off between capacity and diversity gains [20].…”

Section: Related Workmentioning

confidence: 99%

Joint routing and scheduling optimization in arbitrary ad hoc networks: Comparison of cooperative and hop-by-hop forwarding

Capone

Gualandi

Yuan³

2011

Ad Hoc Networks

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Cooperation schemes form a key aspect of infrastructure-less wireless networks that allow nodes that cannot directly communicate to exchange information through the help of intermediate nodes. The most widely adopted approach is based on hop-by-hop forwarding at the network layer along a path to destination. Cooperative relaying brings cooperation to the physical layer in order to fully exploit wireless resources. The concept exploits channel diversity by using multiple radio units to transmit the same message. The underlying fundamentals of cooperative relaying have been quite well-studied from a transmission efficiency point of view, in particular with a single pair of source and destination. Results of its performance gain in a multi-hop networking context with multiple sources and destinations are, however, less available. In this paper, we provide an optimization approach to assess the performance gain of cooperative relaying vis-a-vis conventional multi-hop forwarding under arbitrary network topology. The approach joint optimizes packet routing and transmission scheduling, and generalizes classical optimization schemes for non-cooperative networks. We provide numerical results demonstrating that the gain of cooperative relaying in networking scenarios is in general rather small and decreases when network connectivity and the number of traffic flows increase, due to interference and resource reuse limitations. In addition to quantifying the performance gain, our approach leads to a new framework for optimizing routing and scheduling in cooperative networks under a generalized Spacial Time Division Multiple Access (STDMA) scheme.Original Publication: Antonio Capone, Stefano Gualandi and Di Yuan, Joint routing and scheduling optimization in arbitrary ad hoc networks: Comparison of cooperative and hop-by-hop forwarding, 2011, Ad hoc networks, (9), 7, 1256-1269. http://dx.doi.org/10.1016/j.adhoc.2011.02.002 Copyright: Elsevier Science B. V., Amsterdam http://www.elsevier.com

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“…In order to increase the capacity and extend the cell coverage in cellular networks, a relay station (RS) have to be deployed at a cell edge, efficiently [1]. That is the reason why the capability of first hop transmission can have considerable effects on the overall system performance.…”

Section: Introductionmentioning

confidence: 99%

Design of MIMO-OFDM multi-hop relaying with cooperative base station

Yoon

Lee

Baik

et al. 2010

IEICE Electron. Express

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Basically, in cellular network systems, the relay station (RS) is used to increase the cell coverage of mobile stations (MS) at a cell edge. But, the system performance due to the use of RS is interfered by the neighboring cells and decreased by the low power of received signals, generally. In order to overcome these disadvantages and get a diversity gain or a high data rate, we design and propose the multiple-input multiple-output (MIMO) multi-hop relaying system structure using the BS cooperation scheme, and evaluate the performance of the proposed system in this letter. Therefore, the MSs can effectively receive the signals through the proposed design which uses the RS in the overlapping regions. Keywords: BS cooperation, MIMO, G-STBC Classification: Science and engineering for electronics References[1] J.

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Multihop Diversity in Wireless Relaying Channels

Cited by 611 publications

References 24 publications

Deployment of wireless sensor network in dispersed renewable energy sources for increasing efficiency of power distribution networks

Deployment of wireless sensor network in dispersed renewable energy sources for increasing efficiency of power distribution networks

Joint routing and scheduling optimization in arbitrary ad hoc networks: Comparison of cooperative and hop-by-hop forwarding

Design of MIMO-OFDM multi-hop relaying with cooperative base station

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