Báo cáo hóa học: " Research Article OFDMA Cellular Networks with Opportunistic Two-Hop Relays" doc

... Networking Volume 2009, Article ID 702659, 9 pages doi:10.1155/2009/702659 Research Article OFDMA Cellular Networks with Opportunistic Two-Hop Relays George Calcev and Jeff Bonta Applied Research and Technology ... investigate the benefits of two-hop opportunistic relay in time division duplex (TDD) OFDMA cellular network configurations. The paper starts with a sho...

Ngày tải lên: 21/06/2014, 22:20

... Communications and Networking Volume 2010, Article ID 121080, 14 pages doi:10.1155/2010/121080 Research Article Adaptive Resource Allocation with Strict Delay Constraints in OFDMA System Naveed Ul Hassan ... single cell downlink OFDMA system with perfect channel state information and a peak power con- straint of 43 dBm. We consider a frequency selective Rayleigh fading channel...

Ngày tải lên: 21/06/2014, 11:20

... only with high degrees of parallelism (and so with increased power consumption). For this reason, this paper develops an accurate fixed- point model of a decoder for turbo and LDPC codes, treated within ... codes, the 3GPP-LTE binary code with block size 1504 and rate 1/3 and the WiMAX duo- binary code with size 480 and rate 1/2, and for one LDPC code, the WiMAX code with size 1056 a...

Ngày tải lên: 21/06/2014, 05:20

... following statement holds. If {X i ; i ≥ 1} is a sequence of random variables such that ρ ∗ N ≤ r with EX i  0 and E|X i | q < ∞ for every i ≥ 1, then for all n ≥ 1, E  max 1≤i≤n | S i | q  ≤

Ngày tải lên: 21/06/2014, 05:20

... on Advances in Signal Processing Volume 2010, Article ID 316820, 12 pages doi:10.1155/2010/316820 Research Article Reversible Watermarking Algorithm with Distortion Compensation Vasiliy Sachnev, 1 Hyoung ... the theoretical efficiency compared with histogram shifting for the same conditions. Finally, we present the exper imental results with comparison of the performance with well...

Ngày tải lên: 21/06/2014, 07:20

... control in wireless cellular networks, ” Foundations and Trends in Networking, vol. 2, no. 4, pp. 381–533, 2007. [25] T. Hytonen, “Optimal wrap-around network simulation,” Research Reports, Helsinki ... communications in cellular systems,” IEEE Wireless Communications, vol. 13, no. 4, Article ID 1678166, pp. 56–61, 2006. [16] S. Shamai, O. Somekh, O. Simeone et al., “Cooperative mult...

Ngày tải lên: 21/06/2014, 07:20

... Processing Volume 2010, Article ID 761360, 11 pages doi:10.1155/2010/761360 Research Article Hidden Markov M odel with Duration Side Information for Novel HMMD Derivation, with Application to Eukaryotic ... transition usually starts with an ATG, the exon to junk transition, ends with one of the stop codons {TAA, TAG, TGA}. Nearly all eukaryotic introns start with GT and end w...

Ngày tải lên: 21/06/2014, 08:20

... Corporation EURASIP Journal on Advances in Signal Processing Volume 2010, Article ID 806043, 7 pages doi:10.1155/2010/806043 Research Article High-Resolution Time-Frequency Methods’ Performance Analysis Imran ... Shah, and F. M. Kashif, “Computing de-blurred time frequency distributions using artificial neural networks, ” in Circuits, Systems, and Signal Processing, vol. 27, pp. 277–294...

Ngày tải lên: 21/06/2014, 08:20

... unique positive solution x n of 3.61 with initial values x −1 ,x 0 nearly converges to the nonnegative equilibrium x with respect to D as n →∞and converges to x with respect to D 1 as n →∞. 4. Conclusions In ... Publishing Corporation Advances in Difference Equations Volume 2010, Article ID 196920, 19 pages doi:10.1155/2010/196920 Research Article On an Exponential-Type Fuzzy Dif...

Ngày tải lên: 21/06/2014, 11:20

... Corporation EURASIP Journal on Information Security Volume 2010, Article ID 621521, 9 pages doi:10.1155/2010/621521 Research Article Secure Arithmet ic Coding with Error Detection Capability Mahnaz Sinaie and ... step of the recursion [5]. This can be illustrated better with an example. Consider a source alphabet with three symbols [14]a,b,andcwith p(a) = 0.375, p(b) = 0.375, and...

Ngày tải lên: 21/06/2014, 11:20