Báo cáo hóa học: " Research Article Performance Analysis of Two-Hop OSTBC Transmission over Rayleigh Fading Channels" ppt

... 0.9 0.2 0.3 0.4 0.5 0.6 0.7 Amount of fading (AoF) Figure 2: Amount of fading (AoF) versus the Ricean K-factor for several values of the correlation coefficient ρ. show that as K increases, that is, the severit y of the fading ... values of the correlation coefficient ρ. The AoF, defined as AoF Δ = var(γ ssc )/γ 2 ssc , is a unified mea- sure of the severity of the fading chan...

Ngày tải lên: 22/06/2014, 19:20

... Networking Volume 2011, Article ID 849105, 10 pages doi:10.1155/2011/849105 Research Ar ticle Performance Analysis of Ad Hoc Dispersed Spectrum Cognitive Radio Networks over Fading Channels Khalid ... derived over fading channels considering M- QAM modulation scheme. Numerical results are presented to study the effects of fading, number of dispersed bands, modulation, an...

Ngày tải lên: 21/06/2014, 05:20

... Communications and Networking Volume 2010, Article ID 649541, 8 pages doi:10.1155/2010/649541 Research Article Performance Analysis of Two-Hop OSTBC Transmission over Rayleigh Fading Channels Guangping Li, 1 Steven ... detection of OSTBCs for the case of spatially colored noise given in [11], the received SNRisobtainedasfollows. Theorem 1. Using the exact relay gai...

Ngày tải lên: 21/06/2014, 11:20

... Wireless Communications and Networking Volume 2010, Article ID 914934, 10 pages doi:10.1155/2010/914934 Research Article Performance Analysis of the 3GPP-LTE Physical Control Channels S. J. Thiruvengadam 1, ... always mapped into the first OFDM symbol of the first slot of each subframe. For the normal CP duration, the PHICH is also mapped into the first OFDM symbol of the first...

Ngày tải lên: 21/06/2014, 11:20

... Systems Volume 2009, Article ID 258921, 11 pages doi:10.1155/2009/258921 Research Article Performance Analysis of Bit-Width Reduced Floating-Point Arithmetic Units in FPGAs: A Case Study of Neural Network-Based ... First derivative graph of the activation function. Table 3: Area results of the neural network-based FPGA face detector by different FPUs. Bit-width No. of Slice...

Ngày tải lên: 21/06/2014, 20:20

... Wireless Communications and Networking Volume 2009, Article ID 243956, 11 pages doi:10.1155/2009/243956 Research Article Performance Analysis of Novel Randomly Shifted Certification Authorit y Authentication ... an authentication dialogue. A detailed description of the BAN logic analysis of RASCAAL is presented in previous research by the authors [15]. This analysis illus...

Ngày tải lên: 21/06/2014, 23:20

... noise). The results of [7–12] which deal with the cases of performance analysis of OSTBC systems in the presence of imperfect CSI (due to noise alone) follow as special cases of the analysis presented ... Networking Volume 2007, Article ID 30548, 7 pages doi:10.1155/2007/30548 Research Article Performance Analysis of Space-Time Block Codes in Flat Fading MIMO C...

Ngày tải lên: 22/06/2014, 19:20

... singular values of   R, and   R = 1 N N  n=1 x(n)x(n) T (27) is the sample estimate of  R. 4. PERFORMANCE ANALYSIS 4.1. WP algorithm In order to evaluate the performance of the WP algorithm, we ... sym- bols. Each point of the simulation curves is the result of av- eraging over 200 Monte-Carlo realizations of the noise and transmission data sequences. In Figures 1–...

Ngày tải lên: 22/06/2014, 23:20

... 2008, Article ID 843634, 11 pages doi:10.1155/2008/843634 Research Article Complexity Analysis of Reed-Solomon Decoding over GF(2 m ) without Using Syndromes Ning Chen and Zhiyuan Yan Department of ... operation. Henceforth, in software implementations the complexity of a multiplication over GF(2 m ) is also roughly 2m times as that of an addition. Thus, the total complexi...

Ngày tải lên: 21/06/2014, 23:20

... (b) as a function of number of receiving sensors. Performance as a function of sensor position error variance The performance of the WMLS algorithm as a function of the variance of random sensor ... increases linearly with increasing range. Performance as a function of number of receiver sensors The performance of the WMLS algorithm as a function of the number of...

Ngày tải lên: 22/06/2014, 06:20