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Performance comparison of modulation techniques for underlay cognitive radio transceivers

Imtiyaz Khan, Poonam Singh, Vijay Janyani, M. Salim, K. K. Sharma
2013 International Conference on Communication and Electronics System Design  
In this paper, we present a quantitative comparison of two agile modulation techniques employed by cognitive radio transceivers operating in a dynamic spectrum access (DSA) network.  ...  One of the modulation techniques is single carrier frequency division multiple access (SC-FDMA).  ...  The choice of physical layer transmission technique is a very important design decision when implementing a cognitive radio.  ... 
doi:10.1117/12.2009099 fatcat:vldcsb7hq5elhnyuok2qf7svbi

SMT-8036 Based Implementation of Secured Software Defined Radio System for Adaptive Modulation Technique [chapter]

Sudhanshu Mehta, Surbhi Sharma, Rajesh Khanna
2011 Communications in Computer and Information Science  
Simply Software Defined Radio is defined as "Radio in which some or the entire physical layer functions are software defined" [2] .  ...  Defined Radio system for adaptive modulation technique is implemented.  ... 
doi:10.1007/978-3-642-22720-2_20 fatcat:efjaizgqdvdbhppaju5fqtltfi

Spectrum sharing radios

D. Cabric, I.D. O'Donnell, M.S.-W. Chen, R.W. Brodersen
2006 IEEE Circuits and Systems Magazine  
In the next sections we will present system design considerations for unique physical layer functions together with architectural and circuit issues in their implementations.  ...  Cognitive radio physical and link layer functionalities. Figure 13 . 13 (a) A feature detector implementation and (b) example of its output.  ... 
doi:10.1109/mcas.2006.1648988 fatcat:xbxvpeo25vgy7m3wxkevi2sgau

Performance Analysis of Filter Bank Multicarrier Cognitive Radio for Physical Layer under Binary Symmetric Radio Fading Channel

A. SKang, Renu Vig
2014 International Journal of Computer Applications  
Cognitive Radio(CR) Technology has emerged from software defined radios wherein the key parameters of interest are frequency, power and modulation technique adopted.  ...  radio environment.  ...  Fig. 5 Fig. 6 56 FBMC-CR Simulink Model For Physical Layer Under BSC Prior To Run.  ... 
doi:10.5120/16221-5670 fatcat:kry55pzbxzbrdcbxl4ybnp5nwa

Cognitive radio kit framework

Khanh Le, Prasanthi Maddala, Craig Gutterman, Kyle Soska, Aveek Dutta, Dola Saha, Peter Wolniansky, Dirk Grunwald, Ivan Seskar
2012 Proceedings of the seventh ACM international workshop on Wireless network testbeds, experimental evaluation and characterization - WiNTECH '12  
This paper presents an overview of a Cognitive Radio Kit, an open software defined radio framework developed specifically to enable experimental research in cognitive radio and dynamic spectrum techniques  ...  The challenge resides in defining the architecture and programming model for the platform. All those considerations along with an application example are discussed and presented in this paper.  ...  The CRKIT platform acts a physical layer extension to the current radio nodes, allowing ORBIT users to experiment with lower wireless physical layers as well as the higher protocol and application layers  ... 
doi:10.1145/2348688.2348692 dblp:conf/mobicom/LeMGSDSWGS12 fatcat:khc2td2f2vc3vhn4o3yh236inu

A Study on Spectral Efficiency of Physical Layer over Cognitive Radio [article]

Fotis Foukalas, Lazaros Merakos
2013 arXiv   pre-print
Another issue under consideration should be the performance evaluation of cognitive radio assuming a cross-layer combination between the cognitive physical and the upper layers.  ...  Despite the conclusive potential of cognitive radio for provisioning the dynamic and flexible spectrum/channel allocation, the research community should study the performance gain of physical layer over  ...  This cross-layer approach in particular, is intended to co-design the adaptive modulation scheme at the physical layer taking into consideration a specific threshold in erroneous packets.  ... 
arXiv:1302.2577v1 fatcat:56hu4vevlfdi3eg3vvyrim6pzi

Cognitive radio sensor networks

Ozgur Akan, Osman Karli, Ozgur Ergul
2009 IEEE Network  
The existing communication protocols and algorithms devised for cognitive radio networks and WSN are discussed along with the open research avenues for the realization of CRSN.  ...  Clearly, it is conceivable to adopt cognitive radio capability in sensor networks, which, in turn yields a new sensor networking paradigm, i.e., cognitive radio sensor networks (CRSN).  ...  Physical Layer Physical layer regulates interaction between data link layer and physical wireless medium.  ... 
doi:10.1109/mnet.2009.5191144 fatcat:fcpt2jluunagxl3ryzrdx6w6iu

Software-Defined Radio—Basics and Evolution to Cognitive Radio

Friedrich K Jondral
2005 EURASIP Journal on Wireless Communications and Networking  
Cognitive radios are introduced as the next step in radio systems' evolution. The need for cognitive radios is exemplified by a comparison of present and advanced spectrum management strategies.  ...  The need for softwaredefined radios is underlined and the most important notions used for such reconfigurable transceivers are thoroughly defined.  ...  Handoff and mobility management • RRM techniques in hybrid radio networks • Distributed versus centralized RRM • RRM in mesh networks • Cross-layer optimization of radio resources • H-ARQ techniques and  ... 
doi:10.1155/wcn.2005.275 fatcat:bqgwcricabekpbft22szoustum

Intelligent Radio: When Artificial Intelligence Meets the Radio Network

Tao Chen, Hsiao-Hwa Chen, Zheng Chang, Shiwen Mao
2020 IEEE wireless communications  
It briefly introduces deep learning applied for physical layer communications and resource allocation. The pros and cons of data-driven or model-driven approaches in deep learning are discussed.  ...  ., spectrum sensing and spectrum access) in cognitive radio. The generative  ...  The article covers a broad range of problems in wireless networks, including channel related problems, physical layer problems, and network management and optimization problems.  ... 
doi:10.1109/mwc.2020.9023916 fatcat:5o2yvxnb3zhy5hd6af7g7kb3ly

A Predictive Model for Cognitive Radio

Troy Weingart, Douglas Sicker, Dirk Grunwald
2006 MILCOM 2006  
Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for  ...  The set of possible Yee, John Giacomoni, Brita Munsinger and Mike Buetner configurations for this goal is found by tracing back to for their assistance in this research. the root of the tree.  ...  For 5.38ms, the Data Rate is 2 Mbs and the Frame Size is Medium. This process is repeated  ... 
doi:10.1109/milcom.2006.302197 fatcat:65weeahucrepnmpseib7oqidui

Special issue on green radio

Jacques Palicot, Steve McLaughlin, Honggang Zhang, H Vincent Poor
2013 EURASIP Journal on Wireless Communications and Networking  
efficient techniques for the radio resource management and optimal transmission (EE-RRM-OT) layer (seven papers).  ...  He is currently involved in adaptive Signal Processing and in new techniques as Software Radio, Cognitive radio and Green Radio.  ... 
doi:10.1186/1687-1499-2013-21 fatcat:pm7uh3wj7rbexhfr4dtne7jjs4

Radio Context Awareness and Applications

Luca Reggiani, Jocelyn Fiorina, Sinan Gezici, Simone Morosi, Montse Najar
2013 Journal of Sensors  
at the physical, network, or application layers.  ...  Radio context awareness is defined as the ability of detecting and estimating a system state or parameter, either globally or concerning one of its components, in a radio system for enhancing performance  ...  the fundamental, enabling function for the physical layer of cognitive radio systems [2, 3] .  ... 
doi:10.1155/2013/491092 fatcat:py4v42zy3rcjze4lt2lagvpb3i

Cognitive Radio Technology [chapter]

2006 Next Generation Wireless Systems and Networks  
Cognitive Radio is a novel method of radio communication which enables more efficient use of the frequency spectrum.  ...  This paper reviews a section of current topics in Cognitive Radio research on how cognition is used to make optimal channel selection.  ...  These include Adaptive Reconfigurable Access and Generic Interfaces for Optimization in Radio Network (ARAGORN), Sensor Network for Dynamic and Cognitive Radio (SENDORA), and physical Layer for Dynamic  ... 
doi:10.1002/0470024569.ch9 fatcat:33fa7xjqc5g7fhts7xlknpdpqy

Survey of Cognitive Radio VANET

2014 KSII Transactions on Internet and Information Systems  
To address those serious problems, some articles have introduced Cognitive Radio (CR) technology into VANET and formed CR-VANET.  ...  In addition, we illustrate both research and application frameworks of CR-VANET based on our works, and propose some open research issues for inspiring future work.  ...  PCTC is a middle-ware-like cross-layer module residing.  ... 
doi:10.3837/tiis.2014.11.010 fatcat:elyhcinzl5frvhryjjuwdl2fe4

Cognitive Radio With Software Defined Radio and Mimo for Future Generation Wireless Communication

Shashank Singh
2015 Journal of computer science and systems biology  
Bineet Gupta for his valuable suggestions and contributions.  ...  Acknowledgement We are thankful to the Faculty members of Computer Science and Engineering, Shri Ramswaroop University for their motivation and continuous support. Our special vote of thanks to Dr.  ...  Cognitive radio requires an expandable radio device and SDR provides platform for cognitive radio. Cognitive radio is comprised of a control layer on "top" of an agile software defined radio.  ... 
doi:10.4172/jcsb.1000184 fatcat:j5bimeabffglxake2ueoh44hay
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