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Achievable transmission capacity of cognitive radio networks with cooperative relaying

Tao Jing, Wei Li, Xiuying Chen, Xiuzhen Cheng, Xiaoshuang Xing, Yan Huo, Tao Chen, Hyeong-Ah Choi, Taieb Znati
2015 EURASIP Journal on Wireless Communications and Networking  
Numerical results indicate that secondary users can achieve a higher transmission capacity with cooperative relaying, and that the capacity gain of the cooperative network is significantly affected by  ...  Based on the optimal power ratio, we derive the maximum achievable transmission capacity of the secondary network under the outage constraints from both the primary and the secondary network with or without  ...  Acknowledgements This work is supported by the National Natural Science Foundation of China (Grant No. 61172074, 61272505, and 61172074) and the National Science Foundation of the US (CNS-1162057, CNS-  ... 
doi:10.1186/s13638-015-0311-8 fatcat:wf5valp5zzfwlhj46wmlhkxm7q

Achievable Transmission Capacity of Cognitive Radio Networks with Cooperative Relaying

Xiuying Chen, Tao Jing, Yan Huo, Wei Li, Xiuzhen Cheng, Tao Chen
2012 Proceedings of the 7th International Conference on Cognitive Radio Oriented Wireless Networks  
Numerical results indicate that secondary users can achieve a higher transmission capacity with cooperative relaying, and that the capacity gain of the cooperative network is significantly affected by  ...  Based on the optimal power ratio, we derive the maximum achievable transmission capacity of the secondary network under the outage constraints from both the primary and the secondary network with or without  ...  Acknowledgements This work is supported by the National Natural Science Foundation of China (Grant No. 61172074, 61272505, and 61172074) and the National Science Foundation of the US (CNS-1162057, CNS-  ... 
doi:10.4108/icst.crowncom.2012.248588 dblp:conf/crowncom/ChenJH0CC12 fatcat:wovncbiednhnlm6ovitafowpfe

Cognitive Relay Networks: A Comprehensive Survey

Ayesha Naeem, Mubashir Husain Rehmani
2015 EAI Endorsed Transactions on Wireless Spectrum  
Cognitive radio is an emerging technology to deal with the scarcity and requirement of radio spectrum by dynamically assigning spectrum to unlicensed user.  ...  Among these applications, cognitive relay networks is one of the famous application where cognitive radio technology is applied.  ...  Cooperative Relaying Schemes in CRN In cognitive radio network, cooperative relay technology is introduced in order to increase the network capacity of data transmission and to increase the throughput  ... 
doi:10.4108/ws.2015.3.e5 fatcat:23jwunrbzvbwfnul2a2o22figi

Optimal sensing period in cooperative relay cognitive radio networks

2016 KSII Transactions on Internet and Information Systems  
Cooperative relay cognitive radio networks with optimal spectrum sensing period can achieve the high capacity and steady probability of false alarm in different target probability of detection.  ...  In this paper, we investigate the spectrum sensing period in cooperative relay cognitive radio networks; analyze the relationship between the available capacity and the signal-to-noise ratio of the received  ...  In the cooperative relay cognitive radio network, SUs work as the relay to accelerate the transmission of the PU when PU is active.  ... 
doi:10.3837/tiis.2016.12.007 fatcat:weawg4vmkvfpbh6puqyctqyfiq

In Cognitive Radio Network Multiple Relay Hybrid Approach Used for Improving Security and Reliability Trade Off

Anjali Khokhar, Jitender Khurana
2018 Journal of Advances and Scholarly Researches in Allied Education  
Hybrid Cognitive Radio Network approach is useful to improving the security and reliability of the network. Hybrid cognitive radio network jointly used both the cognitive and licensed radio networks.  ...  Aim of study: Improve Security and reliability in Cognitive radio network (communication) by using hybrid relay approach.  ...  cognitive radio network having multiple relay links.  ... 
doi:10.29070/15/57071 fatcat:hdsf77wl4fgxrcg4ytcttzdd6a

Distributed Routing, Relay Selection, and Spectrum Allocation in Cognitive and Cooperative Ad Hoc Networks

Lei Ding, Tommaso Melodia, Stella N. Batalama, John D. Matyjas
2010 2010 7th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON)  
To achieve this objective, cooperative transmission is a promising technique to increase the capacity of relay links by exploiting spatial diversity without multiple antennas at each node.  ...  Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop.  ...  Transmission Mode Cooperative Relaying: Consider a simple cooperative relaying network as shown in Fig. 2 .  ... 
doi:10.1109/secon.2010.5508267 dblp:conf/secon/DingMBM10 fatcat:pup33i444jdlrb5oopxfrynswm

Survey on Cooperative Relay Selection Approaches

Nimmi Krishna M.R, Shiras S. N
2016 IOSR Journal of Electronics and Communication Engineering  
In this article a new research direction for cognitive radio networks by utilizing cooperative relay to assist transmission and improve communication efficiency.  ...  Observing the spectrum resources can be matched to traffic demand of secondary users with the help of relay node.  ...  Cognitive Radio Cognitive radio networks are an innovative approach to wireless engineering were radios are designed with an unprecedented level of utility and intelligence.  ... 
doi:10.9790/2834-1104022735 fatcat:jx6ozlphorbcbof2h6vp2urz2u

Session based cooperation in cognitive radio networks: network level approach

Sunil Ghildiyal
2020 International Journal of Informatics and Communication Technology (IJ-ICT)  
Therefore to overcome this con, network level cooperative (NLC) principle was used, where SUs are integrated mutually to collaborate with PUs session by session, instead of frame based cooperation for  ...  Secondary users (SU's) actively obtain the spectrum access opportunity by supporting primary users (PU's) in cognitive radio networks (CRNs).  ...  Cognitive radio allows secondary users to actively support with primary users' relays to achieve spectrum access opportunities as an incentive [7] .  ... 
doi:10.11591/ijict.v9i1.pp40-45 fatcat:qztdgx3jcvcwbcz2jotyejihwq

Power Minimization in Dual-Hop Underlay Cooperative Cognitive Radio Relay Networks for Optimal Resource Allocation

Enoruwa Obayiuwana, Periola Ayodele, Abimbola Fisusi
2022 FUOYE Journal of Engineering and Technology  
underlay Cooperative Cognitive Radio Relay Network (CCRRN) was studied and a convex optimization analytical framework is presented.  ...  In this paper, we investigate a multi-user one-way dual-hop multi-relay cognitive radio underlay spectrum sharing network. .The joint optimal resource allocation of the bandwidth and power allocation in  ...  Secondly, the closed-form achievable rate capacity for the dual-hop cooperative cognitive relay network is derived over a Rayleigh fading channel.  ... 
doi:10.46792/fuoyejet.v7i1.746 fatcat:xajjkyflbzfgro2kq77isntme4

Cache-Enabled Unmanned Aerial Vehicles for Cooperative Cognitive Radio Networks

Jiachen Yang, Shuai Xiao, Bin Jiang, Houbing Song, Suleman Khan, Saif ul Islam
2020 IEEE wireless communications  
Cooperative cognitive radio network is a new method to alleviate the spectrum scarcity problem.  ...  The proactive content caching and unmanned aerial vehicles (UAVs) relaying techniques are deployed in a cognitive radio network (CRN), to enable the achievable rates for primary and secondary systems.  ...  PROACTIVE CACHING FOR COGNITIVE RADIO NETWORKS With the advances of software defined radio (S-DR) and wireless sensor networks (WSN), cognitive radio technology is becoming mature.  ... 
doi:10.1109/mwc.001.1900301 fatcat:kb5mo5rbc5ecpdq5mq3fxvjmse

Statistical QoS Control of Network Coded Multipath Routing in Large Cognitive Machine-to-Machine Networks

Shih-Chun Lin, Kwang-Cheng Chen
2016 IEEE Internet of Things Journal  
A general large-scale cognitive M2M network (CM2MN), adopting cognitive radio technology, consists of multi-radio systems, the primary system (PS) and secondary system(s) with tremendous cooperative cognitive  ...  Index Terms-Machine-to-machine (M2M) communications, cognitive radio, cooperative relay, statistical QoS control, effective capacity, network coded multi-path routing.  ...  Chen is with the Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan (email: chenkc@cc.ee.ntu.edu.tw). a fixed bandwidth via cooperative relaying of cognitive radios  ... 
doi:10.1109/jiot.2015.2478435 fatcat:a2wufzszszaejd2wtmkfww4fka

Cooperative Multi-Relay Resource Allocation Algorithm in Cognitive Radio Networks

Shibing Zhang, Xin Guo, Zhihua Bao, Xiaoge Zhang
2017 ICIC Express Letters  
This paper focuses on the resource allocation in cooperative multi-relay cognitive radio networks and proposes a cooperative multi-relay transmission algorithm.  ...  Simulation results show that the cooperative multi-relay would improve the throughput of the CR network obviously compared with the single relay.  ...  This work was supported by the National Natural Science Foundation of China (61371111, 61371112), Graduate Student Research and Innovation Project of Jiangsu Province, China (KYLX15-1318), and Nantong  ... 
doi:10.24507/icicel.11.07.1237 fatcat:zonfnttii5egdbngr37sjwvimy

Distributed resource allocation in cognitive and cooperative ad hoc networks through joint routing, relay selection and spectrum allocation

Lei Ding, Tommaso Melodia, Stella N. Batalama, John D. Matyjas
2015 Computer Networks  
We study the problem of network throughput maximization in cognitive and cooperative ad hoc networks through joint optimization of routing, relay assignment and spectrum allocation.  ...  Cooperative relaying and dynamic-spectrum-access/cognitive techniques are promising solutions to increase the capacity and reliability of wireless links by exploiting the spatial and frequency diversity  ...  Impact of relay node location and transmission strategies on the performance of link capacity, with noise power 5 lW.  ... 
doi:10.1016/j.comnet.2015.02.027 fatcat:h3wkzip3prgolda5i56cyd3bbu

Cooperative Relay for Cognitive Radio Networks

J. Jia, J. Zhang, Q. Zhang
2009 IEEE INFOCOM 2009 - The 28th Conference on Computer Communications  
for cognitive radio networks by utilizing cooperative relay to assist the transmission and improve spectrum efficiency.  ...  To demonstrate the feasibility and performance of cooperative relay for cognitive radio, a new MAC protocol has been proposed and implemented in a Universal Software Radio Peripheral (USRP)-based testbed  ...  SYSTEM ARCHITECTURE In this section, we present the overview of the system architecture of cognitive radio network with cooperative relay.  ... 
doi:10.1109/infcom.2009.5062156 dblp:conf/infocom/JiaZZ09 fatcat:cdtdbwpdyzgs7fqh7gbevu3lti

Cognitive and cooperative communications in wireless heterogeneous networks (HetNet): Current status and technical perspectives

Xing Zhang, Yue Gao, Zhi Yan, Xiao Jiang, Fei Peng, Laurie G. Cuthbert, Wenbo Wang
2012 2012 IEEE International Conference on Wireless Information Technology and Systems (ICWITS)  
Cognitive network and cooperative communications are two promising techniques for efficient utilization of scarce radio resources and guaranteeing quality of services (QoS) in wireless heterogeneous networks  ...  Based on the proposed architecture several techniques related to the integration of cognition and cooperation are evaluated in typical cases and scenarios, for example, cognitive relay network, cognition  ...  Inspired by cognitive radio and relay assisted cooperative communication, the authors in [7] proposed the cognitive relay network which combines cognitive radio technique and relay assisted cooperative  ... 
doi:10.1109/icwits.2012.6417787 fatcat:upo4o4iffzhahhcvbkjvgaow7a
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