prerequisite for cognitive radio
Báo cáo sinh học: "Fair, efficient, and power-optimized spectrum sharing scheme for cognitive radio networks" pot
... bandwidth for cognitive radio systems, in Proceedings of the 9th IEEE International Symposium on Communication and Information technology, pp 106–109, September 2009 [2] S Haykin, Cognitive radio: ... spectrum gridlock with cognitive radios: an information theoretic perspective Proc IEEE 97(5), 894–914 (2009) [6] KB Letaief, W Zhang, Cooperative communications for cognitive radio networks Proc ... survey on MAC protocols for cognitive radio networks J Ad Hoc Netw 7, 1315–1329 (2009) [14] H Mujeeb, F Aslam, S Aslam, Device-centric spectrum sharing for cognitive radios, in Proceeding of...
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Báo cáo toán học: " Spectrum sensing for cognitive radio exploiting spectrum discontinuities detection" potx
... Zayen, W Guibene, A Hayar, Performance comparison for low complexity blind sensing techniques in cognitive radio systems, in 2nd International Workshop on Cognitive Information Processing, CIP’10, ... generation/dynamic spectrum access /cognitive radio wireless networks: a survey Comput Netw J 50, 2027–2159 (2006) [4] T Yncek, H Arslan, A srvey of spectrum sensing algorithms for cognitive radio applications ... Zayen, A Hayar, D Nussbaum, Blind spectrum sensing for cognitive radio based on model selection, in 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications,...
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Báo cáo toán học: " Decision making for cognitive radio equipment: analysis of the first 10 years of exploration" potx
... SDR Forum Sdrf cognitive radio definitions, http://data.memberclicks.com/site/sdf/SDRF-06-R-0011-V1 0.pdf Accessed Nov 2007 [4] J Palicot, Radio Engineering: From Software Radio to Cognitive Radio ... GQ Maguire, Cognitive radio: making software radios more personal Pers Commun IEEE 6, 13–18 (1999) [6] J Mitola, Cognitive radio: An integrated agent architecture for software defined radio PhD ... theory for cognitive radio networks: an overview Comput Netw 54, 2537–2561 (2010) [14] CJ Rieser, Biologically Inspired Cognitive Radio Engine Model Utilizing Distributed Genetic Algorithms for...
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báo cáo hóa học: " ZAP: a distributed channel assignment algorithm for cognitive radio networks" pot
... Reed, Performance evaluation of cognitive radios: metrics, utility functions, and methodology Proc IEEE 97(4), 642–659 (2009) J Mitola III, GQ Maguire-Junior, Cognitive radio: making software radios ... management in multihop cognitive radio networks for delay-sensitive transmission IEEE Trans Veh Technol 58(2), 941–953 (2009) IF Akyildiz, W-Y Lee, KR Chowdhury, CRAHNs: cognitive radio ad hoc networks ... IEEE P802.11, C1–1184 (2007) 11 ME Sahin, H Arslan, System design for cognitive radio communications, in Proc Int Conf on Cognitive Radio Oriented Wireless Networks and Commun (CrownCom 2006), Mykonos...
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Báo cáo hóa học: " Research Article Channel Sensing without Quiet Period for Cognitive Radio Systems: A Pilot Cancellation Approach" ppt
... exploiting CSC [6] The performance results for these two schemes are obtained by using simulation In simulation, the scheme with quiet period performs the energy detection for the entire band of ... scheme for cognitive radio systems,” IEEE Transactions on Wireless Communications, vol 7, no 2, pp 505–509, 2008 [4] S S Jeong, W S Jeon, and D G Jeong, “Dynamic channel sensing management for OFDMA-based ... for OFDMA-based cognitive radio systems,” IEEE Transactions on Wireless Communications, vol 8, no 10, pp 5112–5123, 2009 [6] D Chen, J Li, and J Ma, “In-band sensing without quiet period in cognitive...
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Báo cáo hóa học: " Research Article Cyclostationarity Detectors for Cognitive Radio: Architectural Tradeoffs" pptx
... Detector performance is maximized for a small Nb value, which implies that performance can be maximized for a limited hardware complexity Aggregating harmonics still further causes performance to ... French ANR INFOP project for supporting the work presented in this paper References [1] J Mitola, Cognitive radio: an integrated agent architecture for software defined radio, Ph.D thesis, Royal ... “Implementation of cyclostationary feature detector for cognitive radios,” in Proceedings of the 4th International Conference on Cognitive Radio Oriented Wireless Networks and Communications...
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báo cáo hóa học:" Spectrum sensing for cognitive radio exploiting spectrum discontinuities detection" docx
... Zayen, W Guibene, A Hayar, Performance comparison for low complexity blind sensing techniques in cognitive radio systems, in 2nd International Workshop on Cognitive Information Processing, CIP’10, ... generation/dynamic spectrum access /cognitive radio wireless networks: a survey Comput Netw J 50, 2027–2159 (2006) T Yncek, H Arslan, A srvey of spectrum sensing algorithms for cognitive radio applications IEEE ... Zayen, A Hayar, D Nussbaum, Blind spectrum sensing for cognitive radio based on model selection, in 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications,...
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Báo cáo hóa học: "Research Article Joint Signal Detection and Classification Based on First-Order Cyclostationarity For Cognitive Radios" pot
... the Fourier transform of the signal Given reasonable a priori information about the signal, this algorithm was reported to have performed well for positive SNRs Another scheme for FSK and AM signal ... on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM ’06), pp 1–6, 2006 [23] K Kim, C M Spooner, I Akbar, and J H Reed, “Specific emitter identification for cognitive radio ... the SNR for which the first-order CM magnitude at CFs equals Vco for the M-FSK and AM signals, respectively The notation SNRco will be subsequently used for this SNR It is noteworthy that for SNRs...
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báo cáo hóa học:" Research Article Optimization of Sensing Receiver for Cognitive Radio Applications" docx
... sensing receiver architecture for use in cognitive radios supporting delay sensitive applications In our proposed DSR model, we use a two-stage sensing technique for performing broadband sensing ... and required for fast and reliable sensing in broadband operation In addition, the overall time delay is also greatly reduced which opens the way for voice operation in cognitive radio We were ... to perform a discrete Fourier Transform (DFT) is given by TDFT = FDSP 4N log2 N − 6N + , (3) where FDSP is the DSP operating frequency For simplicity, assume that the DSP is capable of performing...
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Báo cáo hóa học: "Decision making for cognitive radio equipment: analysis of the first 10 years of exploration" potx
... SDR Forum Sdrf cognitive radio definitions, http://data.memberclicks.com/site/sdf/SDRF-06-R-0011-V1 0.pdf Accessed Nov 2007 [4] J Palicot, Radio Engineering: From Software Radio to Cognitive Radio ... GQ Maguire, Cognitive radio: making software radios more personal Pers Commun IEEE 6, 13–18 (1999) [6] J Mitola, Cognitive radio: An integrated agent architecture for software defined radio PhD ... theory for cognitive radio networks: an overview Comput Netw 54, 2537–2561 (2010) [14] CJ Rieser, Biologically Inspired Cognitive Radio Engine Model Utilizing Distributed Genetic Algorithms for...
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Báo cáo hóa học: " Research Article Zero-Forcing and Minimum Mean-Square Error Multiuser Detection in Generalized Multicarrier DS-CDMA Systems for Cognitive Radio" docx
... and Networking MRC Zero-forcing − Rc CT y11 HH 11 x1 ··· yu1 Zero-forcing − Rc CT HH u1 yu2 Zero-forcing − Rc CT HH u2 xu ··· Zero-forcing − Rc CT yup HH up ··· Zero-forcing − Rc CT yqp HH qp ... explicitly constitutes one of the signalling schemes that are well suitable for cognitive radios In the MC DS-CDMA supported cognitive radios, when some frequency bands being used are sensed with high ... illustrate a range of performance results for all the MUD schemes considered in this contribution PERFORMANCE RESULTS In this section, we show a range of BER performance results for the MC DS-CDMA...
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Báo cáo hóa học: " Research Article Achievable Rates and Scaling Laws for Cognitive Radio Channels" pdf
... in a network with cognitive radios may be used as benchmarks for gauging the efficiency of any practical cognitive radio system This paper explores the limits of communication in cognitive channels ... the multiplexing gains of the cognitive as well as the cognitive X-channels Section shifts the emphasis from a single-user cognitive channel to a network of cognitive radios We first explore the ... regions are derived for the discrete cognitive channel We refer the interested reader to these works as well as [13, 14] for further results on achievable rate regions for the discrete cognitive channel...
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Báo cáo hóa học: " Multistage Quadrature Sigma-Delta Modulators for Reconfigurable Multi-Band Analog-Digital Interface in Cognitive Radio Devices" pot
... “Digitally-enhanced RF for cognitive radio devices”), the Finnish Funding Agen cy for Technology and Innovation (Tekes, under the projects entitled “Advanced techniques for RF impai rment mitigation ... delta-sigma modulator for digital radio IEEE J Solid-State Circuits 32, 1935–1950 (1997) doi:10.1109/4.643651 19 J Marttila, M Allén, M Valkama, Quadrature ΣΔ modulation for cognitive radio I/Q imbalance ... on spectrum sensing techniques for cognitive radio Proceedings of the 2nd International 24 25 26 27 28 29 30 31 32 33 34 35 36 Page 20 of 20 Workshop on Cognitive Radio and Advanced Spectrum Management,...
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Báo cáo hóa học: " Power allocation, bit loading and sub-carrier bandwidth sizing for OFDM-based cognitive radio" pot
... MU-OFDM Cognitive Radio Systems with Partial Channel State Information EURASIP Journal on Wireless Comm (2010) 40 T Ycek, Channel, Spectrum and Waveform Awareness in OFDM-Based Cognitive Radio ... based cognitive radio systems http://www.emfield.org/icctadmin/ download_paper.php?id=404 SL Cheng, Z Yang, Adaptive modulation and power control for throughput enhancement in cognitive radios ... loading for OFDMbased cognitive radio systems, in Proc IEEE Int Conference on Comm, 5137–5142 (2007) P Wang, M Zhao, L Xiao, S Zhou, J Wang, Power allocation in OFDM-Based cognitive radio systems,...
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Báo cáo hóa học: " Selective sensing and transmission for multi-channel cognitive radio networks" doc
... transmission time optimization for energy-constrained cognitive radios EURASIP J Wirel Commun Netw 2010 (2010) WY Lee, IF Akyildiz, Optimal spectrum sensing framework for cognitive radio networks IEEE Trans ... channel sensing rrder in cognitive radio IEEE Trans Wirel Commun 8(1) (2009) H Su, X Zhang, Cross-layer based opportunistic MAC protocols for QoS provisionings over cognitive radio mobile wireless ... the sensing period is suitable for all channels Therefore, the proposed SS-SA strategy is better than IS-SA and PS-SA strategies Example 3: performance comparison for different available channels(N,...
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Báo cáo hóa học: " Review Article Comparison among Cognitive Radio Architectures for Spectrum Sensing" pdf
... improvement of the performances can be obtained Note that, the performance reported in the figures for the cooperative architecture can be considered as an upper bound for the performances of such ... comparison among cooperative spectrum sensing approaches for cognitive radios,” in Proceedings of the 2nd International Workshop on Cognitive Information Processing (CIP ’10), pp 168–173, Elba Island, ... the general spectrum sensing performances, the influence of the information reduction phase on the performances, and some consideration regarding the elapsed time for processing and classification...
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Báo cáo hóa học: " Research Article Joint Sensing Period and Transmission Time Optimization for Energy-Constrained Cognitive Radios" doc
... utilization For example, smaller period will cause more energy consumption for sensing but better identified results for more transmission, and vice versa Thus, suitable period should be chosen for better ... convex in T Thus, for this nonconvex problem, we study its properties and transform it into a geometrical problem, and obtain the closed-form solution as we have done in the former section 4.2 ... Communications Commission, “Spectrum policy task force,” Tech Rep 02-135, ET, November 2002 [2] J Mitola III and G Q Maguire Jr., Cognitive radio: making software radios more personal,” IEEE Personal Communications,...
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báo cáo hóa học:" Joint cooperative relay scheme for spectrum-efficient usage and capacity improvement in cognitive radio networks" docx
... Cooperative communications for cognitive radio networks Proc IEEE 97(5), 878–893 (2009) Y Guo, G Kang, N Zhang, W Zhou, P Zhang, Outage performance of relay-assisted cognitive- radio system under spectrum-sharing ... opportunities for flexible, efficient and reliable spectrum use employing cognitive radio technologies: notice of proposed rule making and order, FCC Document ET Docket No 03–108 (2003) J Mitola, Cognitive radio, ... Cooperative relay to improve diversity in cognitive radio networks IEEE Commun Mag 47(2), 111–117 (2009) 18 J Jia, J Zhang, Q Zhang, Cooperative Relay for cognitive radio networks, in IEEE INFOCOM 2009,...
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Báo cáo hóa học: "Research Article Uplink User Signal Separation for OFDMA-Based Cognitive Radios" pot
... same for all users regardless of their distance Note that if the cognitive radio performing user separation is close to the EURASIP Journal on Advances in Signal Processing 100 100 95 95 Performance ... access /cognitive radio wireless networks: a survey,” Computer Networks, vol 50, no 13, pp 2127–2159, 2006 [5] T Yucek and H Arslan, “Spectrum characterization for opportunistic cognitive radio ... results show that the performance heavily depends on the block size While the simulated performance is 100% in all cases examined for the × block, it can be around 70% for the × block when the...
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