Báo cáo hóa học: " An OFDMA resource allocation algorithm based on coalitional games" doc

... OFDMA resource allocation algorithm based on coalitional games. EURASIP Journal on Wireless Communications and Networking 2011 2011:46. Submit your manuscript to a journal and benefi t from: 7 Convenient ... on Wireless Communications and Networking 2011, 2011:46 http://jwcn.eurasipjournals.com/content/2011/1/46 Page 12 of 13 RESEARC H Open Access An OFDMA resource al...

Ngày tải lên: 21/06/2014, 01:20

... Correspondence: chulhee@yonsei.ac.kr Department of Electrical and Electronic Engineering, Yonsei University, 134 Sinchon-Dong, Seodaemun-Gu, Seoul, South Korea Choi and Lee EURASIP Journal on Advances ... blocking and blur metrics correlated highly with the subjective scores and the proposed NR metric based on image classification showed consistently good performance. Abbreviations BLK...

Ngày tải lên: 20/06/2014, 22:20

... we implement an outlier detection algorithm based on Gaussian Mixture Model (GMM) and make intrusion decisions based on the results of the outlier detection algorithm. In pattern recognition, it was ... P. Anderson, “Computer security threat monitoring and surveillance,” Tech. Rep., James P. Anderson, Fort Washington, Pa, USA, 1999. [2] D. E. Denning, An intrusion detection mod...

Ngày tải lên: 21/06/2014, 22:20

... 0.000958 1 2 3 4 5 7 6 Mean of reallocated resource unit (E[R]) 34567 MBS Zones (N) Three scenarios Random No Reallocation One Edge No Reallocation Two Edges No Reallocation Random Reallocation One Edge Reallocation Two Edges ... (R) Modify one edge N = 3 Reallocation N = 4 Reallocation N = 5 Reallocation N = 6 Reallocation N = 7 Reallocation Figure 9: Probability density function of R: one...

Ngày tải lên: 21/06/2014, 05:20

... D. Logan, and S. Patek, Nonlinear Programming, Athena Scientific, 1995. [24] D. Huang, Z. Shen, C. Miao, and C. Leung, “Fitness landscape analysis for resource allocation in multiuser OFDM based ... wireless communications, the assumption that the transmitter has perfect channel state information (CSI) is often unreasonable, due to feedback delays, estimation errors, and quantization err...

Ngày tải lên: 21/06/2014, 11:20

... 1 ⎞ ⎠ + 3  i=1 ω i φ i + 2  i=1 ψ i α i , (C.2) where λ and μ are Lagrange multipliers corresponding to sum constraints for bandwidth and power allocation, respectively. ω i and ψ i are inequality constraints for bandwidth and power allocation, ... bandwidth allocation as well, and we find that the joint optimal power and bandwidth allocation yields higher rate than power optimization...

Ngày tải lên: 21/06/2014, 18:20

... communications and sig- nal processing techniques, and particularly focus on multicar- rier spread-spectrum systems, synchronization, channel estima- tion, and adaptive resource allocation. He has ... case of one dimensional SS- OFDM systems. This paper constitutes an overview, a gener- alization, and an extension to these previous contributions. This paper is organized as follows. S...

Ngày tải lên: 22/06/2014, 19:20

... November 2001. [17] D. Kivanc, G. Li, and H. Liu, “Computationally efficient band- width allocation and power control for OFDMA, ” IEEE Trans- actions on Wireless Communications, vol. 2, no. 6, pp. ... adaptive modulation and power allocation accord- ing to the responses of the narrow-band channels, which can significantly enhance the system performance. In order to exploit fully the adva...

Ngày tải lên: 22/06/2014, 22:20

... NANO EXPRESS An Organic Metal/Silver Nanoparticle Finish on Copper for Efficient Passivation and Solderability Preservation Bernhard Wessling Æ Marco Thun Æ Carmen Arribas-Sanchez Æ Sussane ... properties of PAni by dispersion, which allows (under appropriate conditions) PAni to cross the insulator-to-metal transition and become a true metal (however, a nanometal with both metallic and tun...

Ngày tải lên: 22/06/2014, 18:20

... NY, USA, 7th edition, 1993. [9] C. O. Stearns and A. C. Stewart, An investigation of concen- tric ring antennas with low sidelobes,” IEEE Transactions on Antennas and Propagation, vol. 13, no. ... cost-effective microphone dish concept (microphone array with many concentric rings) is presented that can provide directional and accurate acquisition of bird sounds and can simultaneously pick u...

Ngày tải lên: 22/06/2014, 23:20