Báo cáo sinh học: "Fair, efficient, and power-optimized spectrum sharing scheme for cognitive radio networks" pot

Báo cáo sinh học: "Fair, efficient, and power-optimized spectrum sharing scheme for cognitive radio networks" pot

Báo cáo sinh học: "Fair, efficient, and power-optimized spectrum sharing scheme for cognitive radio networks" pot

... upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Fair, efficient, and power-optimized spectrum sharing scheme for cognitive radio networks EURASIP ... power level, modulation scheme, and coding scheme. There are four major stages of the CR: (1) spectrum sensing, (2) spectrum management, (3) spectrum sharing, and (...
Ngày tải lên : 18/06/2014, 22:20
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Báo cáo hóa học: " An efficient and secure anonymous authentication scheme for mobile satellite communication systems" doc

Báo cáo hóa học: " An efficient and secure anonymous authentication scheme for mobile satellite communication systems" doc

... the random number k,1≤ k<q,whereq is a large prime factor of p - 1. On the other hand, the proposed scheme does not require any symmetric and asymmetric operations. Therefore, the proposed scheme ... computation for mobile users, and (3) it does not require sensitive verifi- cation table. Nevertheless, we f ound that Chen et a l.’s scheme still requires high computations for...
Ngày tải lên : 21/06/2014, 00:20
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Báo cáo sinh học: " Research Article A Baseband Signal Processing Scheme for Joint Data Frame Synchronization and Symbol Decoding for RFID Systems" docx

Báo cáo sinh học: " Research Article A Baseband Signal Processing Scheme for Joint Data Frame Synchronization and Symbol Decoding for RFID Systems" docx

... EPCglobal system supports two types of the baseband data-encoding schemes: (1) The FM0 baseband scheme and (2) the Miller modulation. Both schemes employ the same baseband basis functions but have different ... pages doi:10.1155/2010/724260 Research Article A Baseband Signal Processing Scheme for Joint Data Frame Synchronization and Symbol Decoding for RFID Systems Yung-Yi Wang 1...
Ngày tải lên : 21/06/2014, 16:20
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Báo cáo sinh học: " Research Article On Converting Secret Sharing Scheme to Visual Secret Sharing Scheme" pot

Báo cáo sinh học: " Research Article On Converting Secret Sharing Scheme to Visual Secret Sharing Scheme" pot

... SS schemes, VSS schemes, and Prob. VSS schemes have various construction methods and advantages. This paper first presents an approach to convert (transform) a (k, k)-SS scheme to a (k, k)-VSS scheme ... distinct and all random, therefore each share does not reveal an y information of S and the security of the scheme is ensured. Then we will prove any k − 1orfewer shares will not...
Ngày tải lên : 21/06/2014, 16:20
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Báo cáo hóa học: " An orthogonal spectrum sharing scheme for wireless sensor networks" potx

Báo cáo hóa học: " An orthogonal spectrum sharing scheme for wireless sensor networks" potx

... Yang Han 1 and Ashish Pandharipande 2 Abstract It is not economically viable to allocate a dedicated spectrum band to wireless sensor networks (WSNs). Moreover, sharing a spectrum band wi th incumbent ... Breaking spectrum gridlock with cognitive radios: an information theoretic perspective. in Proceedings of IEEE. 97, 894–914 (2009) 13. Y Han, SH Ting, A Pandharipande, Cooperativ...
Ngày tải lên : 21/06/2014, 03:20
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Báo cáo hóa học: " Research Article Channel Sensing without Quiet Period for Cognitive Radio Systems: A Pilot Cancellation Approach" ppt

Báo cáo hóa học: " Research Article Channel Sensing without Quiet Period for Cognitive Radio Systems: A Pilot Cancellation Approach" ppt

... adopting quiet period and the PU detection scheme exploiting CSC [6]. The performance results for these two schemes are obtained by using simulation. In simulation, the scheme with quiet period performs the ... signal and the pilot sequence. From now on, we present only the theoretical results for the proposed scheme. Next,wecomparetheperformanceoftheproposed scheme with those...
Ngày tải lên : 21/06/2014, 05:20
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Báo cáo hóa học: " Research Article A Sociability-Based Routing Scheme for Delay-Tolerant Networks" doc

Báo cáo hóa học: " Research Article A Sociability-Based Routing Scheme for Delay-Tolerant Networks" doc

... is the formalization of a sociability concept and a guideline to its exploitation for efficient forwarding in DTNs. Additionally, a framework for its evaluation and comparison with other schemes ... techniques and utility theory in order to select the best carrier for a message. In [12], Hui et al. introduce BUBBLE rap, a forwarding algorithm based on social information and suitab...
Ngày tải lên : 21/06/2014, 11:20
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báo cáo hóa học:" Research Article Hybrid RSS-RTT Localization Scheme for Indoor Wireless Networks" doc

báo cáo hóa học:" Research Article Hybrid RSS-RTT Localization Scheme for Indoor Wireless Networks" doc

... standard deviation of the shadow fading X was simulated as a uniform random value between 2.85 dBm and 3.45 dBm. On the other hand, according to the expression (8) for each actual position and ... conventional TOA and TDOA schemes. In [9] an algorithm of neural networks is implemented for the hybrid scheme that combines RSS and TOA measurements, enhancing the overall performance...
Ngày tải lên : 21/06/2014, 18:20
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Báo cáo hóa học: " Research Article Fixed Points in Discrete Models for Regulatory Genetic Networks" pot

Báo cáo hóa học: " Research Article Fixed Points in Discrete Models for Regulatory Genetic Networks" pot

... definitions and facts about finite dynam- ical systems and their associated state spaces. In Section 3 we discuss multivariate and univariate finite field models for genetic networks and show that ... isatreeifandonly if f is nilpotent. Hence (X, f ) is an fps if f is nilpotent. Proof. Suppose that the state space (X, f )isatreewithroot x 0 and height k. Then f k (x) = x 0 for all x...
Ngày tải lên : 22/06/2014, 19:20
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