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Two Phase Spectrum Sharing for Frequency-Agile Radio Networks

Z. Feng, Y. Yang
2009 2009 IEEE International Conference on Communications  
I NTRODUCTION Different from classic frequency scheduling in multichannel Recent advances in frequency-agile radio technologies (e.g.  ...  access control design for ad hoc wireless networks,” in Proc. of IEEE frequency-agile radio network, JSSRC can be extended in  ... 
doi:10.1109/icc.2009.5199547 dblp:conf/icc/FengY09 fatcat:d7zu53josreu7asljgzwb55qcy

Collaborative routing, scheduling and frequency assignment for wireless Ad Hoc networks using spectrum-agile radios

Xin Wang, J. J. Garcia-Luna-Aceves
2010 Wireless networks  
We present the CROWN (Collaborative ROuting, scheduling and frequency assignment for Wireless ad hoc Networks) scheme.  ...  Simulation results show that CROWN efficiently exploits the frequency diversity and spatial reuse features of spectrum-agile radios.  ...  In this paper, we propose a distributed approach to increase the spatial and frequency reuse of wireless ad hoc networks using spectrum-agile radios.  ... 
doi:10.1007/s11276-010-0271-1 fatcat:kovardrmobfw3gzd2ghgyvlbhi

Collaborative Routing, Scheduling and Frequency Assignment for Wireless Ad Hoc Networks Using Spectrum-Agile Radios

Xin Wang, J.J. Garcia-Luna-Aceves
2008 2008 Proceedings of 17th International Conference on Computer Communications and Networks  
We present the CROWN (Collaborative ROuting, scheduling and frequency assignment for Wireless ad hoc Networks) scheme.  ...  Simulation results show that CROWN efficiently exploits the frequency diversity and spatial reuse features of spectrum-agile radios.  ...  In this paper, we propose a distributed approach to increase the spatial and frequency reuse of wireless ad hoc networks using spectrum-agile radios.  ... 
doi:10.1109/icccn.2008.ecp.110 dblp:conf/icccn/WangG08 fatcat:z7vp3lnlmbat5hka5omlpaghke

Joint Variable Width Spectrum Allocation and Link Scheduling for Wireless Mesh Networks

T. Shu, M. Liu, Z. Li, A. Zhou
2010 2010 IEEE International Conference on Communications  
In wireless mesh networks with frequency-agile radios, an algorithm of dynamically combining consecutive channels has recently been proposed.  ...  In order to further improve the fairness or the throughput under given fairness, we propose a joint variable width spectrum allocation and link scheduling optimization algorithm.  ...  CONCLUSIONS In this paper, we present a joint variable width spectrum allocation and link scheduling optimization algorithm for wireless mesh networks.  ... 
doi:10.1109/icc.2010.5502341 dblp:conf/icc/ShuLLZ10 fatcat:ansofrzdwzgy7h2sagqzitdyom

Joint Transport, Routing and Spectrum Sharing Optimization for Wireless Networks with Frequency-Agile Radios

Z. Feng, Y. Yang
2009 IEEE INFOCOM 2009 - The 28th Conference on Computer Communications  
In this paper, we describe and analyze the design of a joint Transport, Routing and Spectrum Sharing (TRSS) optimization algorithm for wireless networks with frequencyagile radios.  ...  We capitalize on the spectrum agility of modern radios which can configure both the central frequency and spectrum width of their channels. TRSS is fully distributed and is executed in two phases.  ...  ACKNOWLEDGMENT This work was supported in part by the Institute for Critical Technology and Applied Science (ICTAS) and National Science Foundation Grant 0831865.  ... 
doi:10.1109/infcom.2009.5062085 dblp:conf/infocom/FengY09 fatcat:lnacsyq2wzbxplgxvn6mjbtb3i

High fidelity wireless network evaluation for heterogeneous cognitive radio networks

Lei Ding, Yalin Sagduyu, Justin Yackoski, Babak Azimi-Sadjadi, Jason Li, Renato Levy, Tammaso Melodia
2012 Sensors and Systems for Space Applications V  
In particular, we can replay field tests in a lab environment with real radios perceiving and learning the dynamic environment thereby adapting for end-to-end goals over distributed spectrum coordination  ...  to represent the realistic effects of physical channel, topology, mobility, and jamming on spectrum agility, situational awareness, and network resiliency.  ...  In this paper, we demonstrate how to evaluate joint routing and dynamic spectrum allocation in CR networks.  ... 
doi:10.1117/12.919273 fatcat:5i2dl533u5bdfazeqgjxga2jqm

Table of contents

2021 IEEE Transactions on Wireless Communications  
Joint Resource Allocation and Trajectory Optimization With QoS in UAV-Based NOMA Wireless Networks ......... ............................................  ...  Jay Guo User Scheduling and Beam Alignment in mmWave Networks With a Large Number of Mobile Users ................. .....................................................................................  ... 
doi:10.1109/twc.2021.3110422 fatcat:ofybsbmkqzffjigm6ryfigpzyu

ROSA

Lei Ding, Tommaso Melodia, Stella Batalama, Michael J. Medley
2009 Proceedings of the 12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems - MSWiM '09  
Through local control actions, ROSA aims at maximizing the network throughput by performing joint routing, dynamic spectrum allocation, scheduling, and transmit power control.  ...  Throughput maximization is one of the main challenges in cognitive radio ad hoc networks, where local spectrum resources may change from time to time and hop-by-hop.  ...  In a cognitive radio network, users access the existing wireless spectrum opportunistically, without interfering with existing users.  ... 
doi:10.1145/1641804.1641810 dblp:conf/mswim/DingMBM09 fatcat:nnbaaohpdfa6pn5tuu6lv4oegi

Cognitive radio technology: From distributed spectrum coordination to adaptive network collaboration

Dipankar Raychaudhuri, Xiangpeng Jing, Ivan Seskar, Khanh Le, Joseph B. Evans
2008 Pervasive and Mobile Computing  
This paper presents an integrated view of cognitive radio technologies for efficient wireless services in dense spectrum environments.  ...  Adaptive wireless networks of this type will require new protocol architectures which integrate flexible PHY/MAC and cross-layer capabilities with ad hoc network discovery and multihop routing.  ...  Here, we describe a baseline algorithm for joint frequency/power/rate allocation in a channelized cognitive radio system with fixed bandwidth and MAC protocol.  ... 
doi:10.1016/j.pmcj.2008.01.004 fatcat:gtlivfvbi5fnrko2afybphhvum

Anomalies in optimal rate-control and scheduling protocols for Cognitive Radio Networks

Vinay Kolar, Vikram Munishwar, Nael B. Abu-Ghazaleh
2010 2010 3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL 2010)  
Protocols in Cognitive Radio Networks (CRNs) tune the radio and network parameters to utilize the unused frequency spectrum, and thus improve the application performance.  ...  However, there are several practical challenges for realizing these algorithms in a networking system. In this paper, we consider a joint source-rate, routing and scheduling GNUM problem in CRNs.  ...  GENERAL NETWORK MODEL In this section, we formulate the joint rate-control, routing and scheduling problem to a network with frequency-agile radios.  ... 
doi:10.1109/isabel.2010.5702862 fatcat:4qvmxtb6xjczdmcvhxshbqdxjy

Exploiting Multichannel Diversity in Cognitive Radio Networks

Tuan Do, Brian L. Mark
2010 2010 Proceedings of 19th International Conference on Computer Communications and Networks  
In cognitive radio networks, secondary users equipped with frequency-agile cognitive radios communicate with one another via spectrum that is not being used by the primary, licensed users of the spectrum  ...  Cognitive radios hold tremendous promise for increasing spectral efficiency in wireless systems.  ...  Such radios are often called frequency-agile or spectrum-agile. On a given frequency channel, a spectrum hole can be characterized as spatial or temporal.  ... 
doi:10.1109/icccn.2010.5560147 dblp:conf/icccn/DoM10 fatcat:lbbyftn5uvbwbmqfu5lemwz23m

On Green Energy Powered Cognitive Radio Networks [article]

Xueqing Huang, Tao Han, Nirwan Ansari
2014 arXiv   pre-print
The state of the art of the energy efficient CR based wireless access network is discussed in various aspects such as relay and cooperative radio and small cells.  ...  The limitation of the spectrum is alleviated by exploiting cognitive networking in which wireless nodes sense and utilize the spare spectrum for data communications, while dependence on the traditional  ...  Efficient and agile spectrum access enabled by cognitive radio can avoid interference and overcome the coexistence issues in multi-tier networks [56] .  ... 
arXiv:1405.5747v2 fatcat:nyt6hmx2rnbxposqeops5rbgqm

On Green-Energy-Powered Cognitive Radio Networks

Xueqing Huang, Tao Han, Nirwan Ansari
2015 IEEE Communications Surveys and Tutorials  
The state of the art of the energy efficient CR based wireless access network is discussed in various aspects such as relay and cooperative radio and small cells.  ...  The limitation of the spectrum is alleviated by exploiting cognitive networking in which wireless nodes sense and utilize the spare spectrum for data communications, while dependence on the traditional  ...  Efficient and agile spectrum access enabled by cognitive radio can avoid interference and overcome the coexistence issues in multi-tier networks [60] .  ... 
doi:10.1109/comst.2014.2387697 fatcat:f752yycbznbhphrbae7qzdlxam

FreeNet: Spectrum and Energy Harvesting Wireless Networks [article]

Nirwan Ansari, Tao Han
2015 arXiv   pre-print
It is thus desirable to liberate mobile and wireless networks from the constraint of the spectrum scarcity and to rein in the growing energy consumption.  ...  Hence, FreeNet increases the spectrum and energy efficiency of wireless networks and enhances the network availability.  ...  It is desired to optimize the joint allocation of the spectrum and harvested energy to enhance the spectrum and energy efficiency of the network.  ... 
arXiv:1508.05648v1 fatcat:r3qmku2tvfhibhdgeiwkyi6goq

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)  
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.  ...  In this paper, decentralized and localized algorithms for joint dynamic routing, relay assignment, and spectrum allocation in a distributed and dynamic environment are proposed and studied.  ...  However, conventional CSMA/CA mechanisms cannot meet the challenging radio sensitivity requirements and wideband frequency agility needed in cognitive radio networks.  ... 
doi:10.1109/secon.2010.5508267 dblp:conf/secon/DingMBM10 fatcat:pup33i444jdlrb5oopxfrynswm
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