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Multi-antenna aspects of wireless fixed relays
2006
IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006.
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Hence, the paper investigates performance of the distributed cooperative multi-antenna fixed relays. ...
This paper investigates distributed fixed relays (infrastructure-based relaying) which are engaged in cooperation in a two-hop wireless network as a means of removing the burden of multiple antennas on ...
Therefore, this paper also investigates the impact of multi-antenna on the cooperative fixed relays in two-hop networks. ...
doi:10.1109/wcnc.2006.1683610
dblp:conf/wcnc/AdinoyiY06
fatcat:pi5yxz7tprbzlofpbnhcgiqaxa
A Review on Cooperative Communication Protocols in Wireless World
2013
International Journal of Wireless & Mobile Networks
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To overcome this drawback, relays (fixed or mobile terminals) can cooperate to improve the overall system performance in cellular networks. ...
Cooperative communications can efficiently combat the severity of fading and shadowing through the assistance of relays. ...
However, multi-antenna technique is not attractive for tiny wireless nodes due to limited hardware and signal processing capability. ...
doi:10.5121/ijwmn.2013.5209
fatcat:pfwbtdjc4vh2fc7qvuzaplstfy
Poster
2011
Performance Evaluation Review
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We explore three critical aspects of the capacity maximization problem: Dynamic layout: Where should the relay nodes be placed? ...
Selective activation: Given a fixed layout of relay nodes, which nodes should be used for a transmission? It might be impossible to control the deployment of relay nodes with high precision. ...
doi:10.1145/2034832.2034860
fatcat:qm43ur7uwzbabezmygktzwmkyi
Simultaneous Wireless Information and Power Transfer with Cooperative Relaying for Next-Generation Wireless Networks: A Review
2021
IEEE Access
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Date of publication xxxx 00, 0000, date of current version xxxx 00, 0000. ...
Authors in [126] considered a multi-relays multi-antenna system with MRC at the destination to choose best combination of signals from relays and antennas for a given SNR. ...
Limited device life span has always been a critical aspect of modern wireless technologies [22] . ...
doi:10.1109/access.2021.3078703
fatcat:mmqnlgye5vevlmu6oh4reyj2g4
Power Optimization in MIMO-CN with MANET
2013
IOSR Journal of Computer Engineering
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of the relayed signal and the direct signal in wireless multi hop networks. ...
ad hoc networks, most works are limited to the basic three-node relay scheme and single-antenna systems. ...
For improving the network capacity of MANETs with cooperative communications. We also analyzed the BB/CPR algorithm for every node in MANET. ...
doi:10.9790/0661-01012529
fatcat:5ujbxqzkhngxvgyimutgtx6cvq
UAV-Assisted Emergency Networks in Disasters
2019
IEEE wireless communications
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Then, the transceiver design of UAV and establishment of multi-hop ground device-todevice (D2D) communication are studied to extend the wireless coverage of UAV. ...
Finally, open research issues and challenges are discussed. 2 Index Terms Emergency wireless networks, multi-hop relaying, trajectory optimization, transceiver design, unmanned aerial vehicle. ...
Thus, a large-scale UAV equipped with M antennas is deployed at the center with altitude H, to provide wireless coverage to K ground single-antenna devices. ...
doi:10.1109/mwc.2018.1800160
fatcat:cn3w5vqv4jg2njmh6c3zjjsive
Multi-hop Relay in Next Generation Wireless Broadband Access Networks: An Overview
[chapter]
2010
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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In particular, the various potential relaying scenarios are described, while the integration and adaptation of the Multi-hop Relay in the framework of WiMAX and LTE networks is analyzed. ...
aspects. ...
Relay Technology Proposal in NGW Reference Architecture
Multi-hop Relay in LTE Networks LTE, which promises real data rates up to 100 Mbps and by using MIMO antennas it can reach few hundred of Mbps, ...
doi:10.1007/978-3-642-16644-0_47
fatcat:anxoxmymbrev3mxl5jxoczpwv4
On the Degree of Freedom for Multi-Source Multi-Destination Wireless Network with Multi-layer Relays
[article]
2011
arXiv
pre-print
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In this correspondence, we analyse the DoF region and sum DoF for unicast layered multi-hop relay wireless networks with arbitrary number of source/destination/relay nodes, arbitrary number of hops and ...
arbitrary number of antennas at each node. ...
Conclusion We considered the DoF aspects for multi-source multi-destination wireless network with multi-hop relays. An achievable DoF region was provided. ...
arXiv:1101.2288v1
fatcat:vr2s72jyqrddnmx5xgwqxbljpq
Performance Enhancement of Wireless Networks Using Cooperative Diversity Techniques
2018
Zenodo
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In order to improve the gain, generally, we require more than one transmitting antenna in a node, which is not too common due to the limits in size and complexity of wireless mobile devices. ...
In our proposed work, a network containing a sender, a destination and a fixed relay, is analyzed with modified cooperative diversity scheme such as Amplify-Quantize and Forward (AFQ) and compared with ...
But in implementation aspect, MIMO creates an issue by occupying as. Large area in mobile handsets for retaining many antennas. ...
doi:10.5281/zenodo.2446669
fatcat:yoifpvr4gnf2vgi7vcgjcgv5jy
Quality-aware coding and relaying for 60 GHz real-time wireless video broadcasting
2013
2013 IEEE International Conference on Communications (ICC)
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Wireless streaming of high-definition video is a promising application for 60 GHz links, since multi-Gigabit/s data rates are possible. ...
Due to the high pathloss of 60\,GHz radiation over the large distances encountered in this setting, the use of relays is required. ...
(i.e., no consideration for multi-beam antennas) and the numbers of sources and destinations are identical. ...
doi:10.1109/icc.2013.6655400
dblp:conf/icc/KimTMM13
fatcat:2tznaqwb3bfqhks4kghcukzr64
A Comprehensive Survey on Cooperative Relaying in Industrial Wireless Sensor Network
2017
International Journal of Engineering Research and
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This technique improves the reliability and signal quality through an effective selection of relay. ...
Eventually, the fading effect and interference can be suppressed with the help of virtual MIMO and spatial diversity which constitutes a technique known as Cooperative Relaying. ...
It improves the reliability and data rate in wireless link. But the usage of multiple co-located antenna degrades the Quality of service. ...
doi:10.17577/ijertv6is070285
fatcat:oby22xq7qbhrzbc2wv3aexco4a
Energy-efficient wireless communications: tutorial, survey, and open issues
2011
IEEE wireless communications
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With explosive growth of high-data-rate applications, more and more energy is consumed in wireless networks to guarantee quality-of-service (QoS). ...
Index Terms Energy efficiency (EE), orthogonal frequency division multiple access (OFDMA), multiple-input multipleoutput (MIMO), relay, signaling ...
Since the number of channel coefficients increases with the product of the number of transmit antennas and that of receive antennas, much more signaling overhead is required for MIMO systems. ...
doi:10.1109/mwc.2011.6108331
fatcat:2j77jyohc5e6bd7jcpyxwr56re
A WiMAX Network Architecture Based on Multi-Hop Relays
[chapter]
2012
Quality of Service and Resource Allocation in WiMAX
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and two receive antennas on the subscriber's device [Chochliouros et al., 2009] .Wireless Multi-hop Relay Stations (MRSs), when deployed in various sights, result in increased throughput or coverage. ...
The second aspect in which relay complicate RRM is the fact that each relayed MS now takes part in more than a single wireless link, and RRM aims to optimize all of them simultaneously. ...
Such many different works on WiMAX, show the great worldwide importance of WiMAX as a wireless broadband access technology. ...
doi:10.5772/27930
fatcat:jgktfip4rzgvfkomspvfhj6tea
Optimizing IEEE 802.16j: Multihop Relaying in WiMAX Networks
English
2015
International Journal of Engineering Trends and Technoloy
English
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The network coverage can be improved by properly locating the relay stations to optimal locations where the installation of base station could be more costly as compared to relay stations. ...
For enhancing the radio coverage of the WiMAX network multihop relay station technique is proposed. IEEE 802.16 forum gives different types of service flows (i.e. ...
network and subscribers' antennas One solution introduced with the WiMAX 802.16j [2] standard is the wireless Multi-hop Relay Station (MRS), intended to overcome these challenges. ...
doi:10.14445/22315381/ijett-v19p206
fatcat:h44trhyic5detoznssxed3v47e
A Survey on Simultaneous Wireless Information and Power Transfer with Cooperative Relay and Future Challenges
2019
IEEE Access
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This paper focuses on the integral aspects of the CoR and SWIPT to other next-generation wireless communication systems and techniques such as multiple-input-multiple-output, wireless sensor network, cognitive ...
The integration of simultaneous wireless information and power transfer (SWIPT) and cooperative relay (CoR) techniques has evolved as a new phenomenon for the next-generation wireless communication system ...
They considered multi-antenna and AF relay for relaying the information. In transmitting end, every source user had multiple antennas. ...
doi:10.1109/access.2019.2895645
fatcat:d6mvdz4tubex3hm3ouu55hkqbu
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