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Direct Link Aware Cooperative Relaying
2006
2006 3rd International Symposium on Wireless Communication Systems
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We derive a strategy named Direct Link-Aware Relaying (DLA), which uses the source-destination link status as a condition to forward or not the signal at the relay. ...
Three main strategies have been described which follows this key idea of cooperative relaying. ...
DIRECT LINK AWARE RELAYING In non-selective forwarding strategies, the relay retransmits all the symbols it receives, even when they are not correct, and hence it wastes power. ...
doi:10.1109/iswcs.2006.4362306
fatcat:74mx4luytjc6fb6rcce2ykm22y
A Cooperation-Aware Routing Scheme for Fast Varying Fading Wireless Channels
2008
IEEE Communications Letters
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In this letter, we propose a cooperation-aware routing scheme based on long-term statistics of cooperative links. ...
The proposed scheme fully exploits cooperation on fading scenarios and proves to be more efficient than greedy cooperation-aware routing based on instantaneous link conditions. ...
Whereas Link A is a non-cooperative link with no relay available, links B and C use cooperation and have, respectively, 1 and 2 available relays. ...
doi:10.1109/lcomm.2008.080882
fatcat:gprtmhxyungsjhtje2agpod3aq
Aerial-terrestrial communications: terrestrial cooperation and energy-efficient transmissions to aerial base stations
2014
IEEE Transactions on Aerospace and Electronic Systems
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We propose and evaluate a real-time adaptive cooperative transmission strategy for dynamic selection between direct and cooperative links based on the channel conditions for improved energy efficiency. ...
The corresponding delay in having cooperative (relay-based) communications with relay selection is also addressed. ...
between the direct link and all the relay links. ...
doi:10.1109/taes.2014.130012
fatcat:sz22p7cyezfhzpoansl4gkim6u
Performance Characterization of Machine-to-Machine Networks With Energy Harvesting and Social-Aware Relays
2017
IEEE Access
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Moreover, for the energy harvesting and social-aware relay that assists the cooperative transmission protocol, we propose two different relay selection strategies, that is, social-aware random relay selection ...
and social-aware best relay selection. ...
WITH SRRS For the cooperative transmission, the outage of SRRS occurs if neither the direct link nor the relaying transmission can support the target SINR. ...
doi:10.1109/access.2017.2657551
fatcat:c625mrwgifhhpnqdlkhssxl2oy
Multi-Hop-Aware Cooperative Relaying
2009
VTC Spring 2009 - IEEE 69th Vehicular Technology Conference
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In this paper we present a complete system design of Multi-Hop-Aware Cooperative Relaying and investigate different relay selection policies for it. ...
We address the drawbacks of Cooperative Relaying regarding its spectral inefficiency and its channel over reservation compared to direct transmissions. ...
Whenever the direct link fails, the cooperative transmission phase is entered. ...
doi:10.1109/vetecs.2009.5073700
dblp:conf/vtc/AdamBS09
fatcat:5blfbvukajg6rlon5cosujyyca
Interference-Aware Cooperative Routing in Wireless Networks
2009
Proceedings of the 6th International ICST Conference on Broadband Communications, Networks, and Systems
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We study interference-aware, many-to-many cooperative routing algorithms in wireless networks. ...
We show that cooperation has little if any performance gain over simple relaying in terms of effective rate when inter-frame interference is not taken into consideration. ...
Note that a direct link to node 3 does not exist while a cooperative link does. ...
doi:10.4108/icst.broadnets2009.7227
dblp:conf/broadnets/Ben-TsionKB09
fatcat:ukit2fa7rzdtbooujjyaahrhiq
CORELA: A cooperative relaying enhanced link adaptation algorithm for IEEE 802.11 WLANs
2011
2011 8th International Symposium on Wireless Communication Systems
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In this paper we propose a practical cooperative relaying link adaptation medium access protocol that considers the historical link quality to enable the relay terminal to adjust its transmission relaying ...
One of the key challenges for cooperative relaying multi-rate wireless networks is the integration and interaction of relaying with link adaptation algorithms, in particular under incomplete and/or imprecise ...
Before changing the current data rate for relaying, the relay consults recorded past performance of the both direct and relay links.
IV. ...
doi:10.1109/iswcs.2011.6125388
dblp:conf/iswcs/LiKF11
fatcat:yglpvcsmbrepxdcgqinixgq2wa
Cooperative Routing in Multi-Radio Multi-Hop Wireless Network
[chapter]
2017
Ad Hoc Networks
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We propose two important metrics, contention-aware channel utilization routing metric (CACU) to capture the interference cost from both direct and cooperative transmission, and traffic aware channel condition ...
Based on these metrics, we propose three algorithms for interference-aware cooperative routing, local channel adjustment, and local path and relay adaptation, respectively, to ensure high-performance communications ...
link l R 4 R 5 C h 1 adopts the direct transmission mode with both R 4 and R 5 being MR relays. ...
doi:10.5772/66414
fatcat:n2r4b23xtncahpf4pr5sfuqo2a
QoS-aware distributed adaptive cooperative routing in wireless sensor networks
2014
Ad hoc networks
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The decision of selecting a transmission mode (i.e., direct or relayed transmission) at each hop is taken adaptively so that the reliability is maximized. ...
relay with the least overhead. ...
del for a certain packet nor the direct link could meet up the requirement. ...
doi:10.1016/j.adhoc.2014.02.002
fatcat:qvrny2c7efaxpbqydo7jmxxbwe
Social-Aware Relay Selection for Cooperative Multicast Device-to-Device Communications
2017
Future Internet
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In addition, cooperative multicast relaying can improve data rates as a result of the shorter distance from multicast devices with respect to the direct transmission, for which the worst propagation channel ...
Moreover, in our case, the source selects the device to act as the relay among different users of the multicast group by taking into account both the propagation link conditions and the relay social-trust ...
Again, the direct link is only shown for reference in this figure. ...
doi:10.3390/fi9040092
fatcat:wlw5alqic5arlcwgxzunlwaapy
Cooperative Routing With Relay Assignment in Multiradio Multihop Wireless Networks
2016
IEEE/ACM Transactions on Networking
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Our distributed algorithm includes two sub-algorithms: a cooperative route selection subalgorithm and a fairness-aware route adjustment sub-algorithm. ...
To demonstrate the benefits of CC in multi-radio multi-hop wireless network, this paper studies a joint problem of multi-radio cooperative routing and relay assignment to maximize the minimum rate among ...
transmission or cooperative transmission, thus a session's outgoing link and incoming link can be either a direct link or a virtual cooperative link. ...
doi:10.1109/tnet.2015.2397035
fatcat:yimj6anqujep5f25etv4hhbdyq
Interference-Aware Cooperative Communication in Multi-Radio Multi-Channel Wireless Networks
2016
IEEE transactions on computers
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We propose two important metrics, contention-aware channel utilization routing metric (CACU) to capture the interference cost from both direct transmission and cooperative transmission, and traffic aware ...
Based on these metrics, we propose three algorithms for interference-aware cooperative routing, local channel adjustment, and local path and relay adaptation respectively to ensure high performance communications ...
We consider cooperative link l In cooperative wireless networks, there are two transmission modes, direction transmission between two nodes or cooperative transmission with the help of a relay node between ...
doi:10.1109/tc.2015.2448089
fatcat:ztha4cizabhcvgoajcpyodfyiu
Wireless Cooperative Relaying Based On Opportunistic Relay Selection
2012
Zenodo
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In face of multi-path propagation and low data rate stations, cooperative relaying promises gains in performance and reliability. ...
In this article we describe a framework, called RelaySpot [1], to implement cooperative wireless solutions in large mobile networks, based upon opportunistic relay selection methods. ...
In order to achieve performance improvement the direct link must be replaced by relays with both source-relay and relaydestination links that present a data rate higher than the direct link, and one of ...
doi:10.5281/zenodo.35631
fatcat:zd75r6pghvhkdku2y6t6cbulkq
Self-Supported Cooperative Networking for Emergency Services in Multi-Hop Wireless Networks
2012
IEEE Journal on Selected Areas in Communications
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We formulate the multi-hop cooperative flow routing and relay node selection process as an optimization problem. ...
We focus on promoting energy-efficient and congestion-aware cooperative networking for emergency services based on the idea of Do-It-Yourself. ...
As we choose one cooperative relay for each transmitter-receiver pair, the link cost changes after each relay selection process. ...
doi:10.1109/jsac.2012.120225
fatcat:gvfg4dldlvam3dpccuabub2pem
Adaptive Energy Efficient Communications for Hybrid Aerial-Terrestrial Systems
[article]
2013
arXiv
pre-print
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2012 pre-print arXiv:1208.2825v1 fatcat:jzsokr7xsnfctgm3gw3ignpkea
In this paper, we propose and evaluate a real-time adaptive transmission strategy for dynamic selection of direct and cooperative links based on the channel conditions for improved energy efficiency. ...
We show that the cooperation between mobile terrestrial terminals on the ground could improve the energy efficiency in the uplink depending on the temporal behavior of the terrestrial and the aerial uplink ...
when β > 1 the direct link becomes more energy efficient than the relay link, when β < 1 the relay link becomes more efficient than the direct link, and when β = 1 both relay and direct links become equally ...
arXiv:1208.2825v2
fatcat:q7rqm6cuwfgmdj64jvnufkkv4y
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