Báo cáo hóa học: "Research Article Performance Analysis of Novel Randomly Shifted Certification Authority Authentication Protocol for MANETs" docx

... 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 Protocol for MANETs G. ... quality of service (QoS). In this research a novel randomly shifted certification authority authentication protocol (RASCAAL) [15] has now been develo...

Ngày tải lên: 21/06/2014, 23:20

... the performance. In the limiting case, if K goes to infinity the performance converges to the performance of AWGN channel (see the appendix). Figure 4 presents the performance comparison for the case ... effects of fading, number of dispersed bands, modulation, and coding on the performance of dispersed spectrum cognitive radio systems. The results show that the effects of...

Ngày tải lên: 21/06/2014, 05:20

... Wireless 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 ... recent standards [4]. This paper investigates the effect of simple relaying on MIMO system performance. Previously, end-to-end performance of two-hop relay systems was studied in [5–...

Ngày tải lên: 21/06/2014, 11:20

... analytical aspects of the performance of optimal receiver principles for the decoding of the LTE physical control channels. We develop and analyze the per- formance of ML receiver structures for the downlink ... 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 slot of each sub...

Ngày tải lên: 21/06/2014, 11:20

... the same form. Hindawi Publishing Corporation EURASIP Journal on Embedded Systems Volume 2009, Article ID 258921, 11 pages doi:10.1155/2009/258921 Research Article Performance Analysis of Bit-Width ... advan- tage of the FP format is the ease of use. A personal computer uses the floating-point format for its arithmetic calculation. If the target application uses the FP format,...

Ngày tải lên: 21/06/2014, 20:20

... mathematical software packages, such as MATHEMATICA or MATLAB. 5. PERFORMANCE ANALYSIS In this section a detailed performance analysis, in terms of P out , ASEP, ASNR and AoF, for SSC diversity ... [2]andgivesan insight to the performance of the entire system. It can be ex- pressed in terms of first- and second-order moments of γ ssc as AoF = μ γ ssc (2) μ γ ssc (1) 2 − 1. (...

Ngày tải lên: 22/06/2014, 19:20

... 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 ... problem of interest here is to analyt- ically find the performance of the receiver in the presence of ROE. 3. MEAN SQUARE ERROR IN THE ESTIMATION OF CHANNEL GAINS IN...

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 ... length on the performance of the algorithms is also studied. It is shown that the performance of the algorithms depends not only on SNR but also on the direction of the...

Ngày tải lên: 22/06/2014, 23:20

... delay analysis of IEEE 802.16 network,” in Proceedings of the 2nd International Workshop on Multiple Access Communications (MACOM ’09), 2009. [16] L. Lin, W. Jia, and W. Lu, Performance analysis of ... the performance of various reservation schemes in the framework of the simplified model. For a good summary on QoS in the context of IEEE 802.16, we refer to the online pape...

Ngày tải lên: 21/06/2014, 05:20

... notice that the worst performance is obtained when the noise is uniformly distributed. Figures 5, 6, 7, 8, 9 and 10 report the performance of the proposed algorithm for an SNR of 0 dB, 10 dB and ... of the proposed algorithm for α = 0.2andα = 0.8, respectively, for an SNR of 10 dB. InthecaseofanSNRof20dB,Figures9 and 10 depict the results. The case of α = 0.2isshowninFigur...

Ngày tải lên: 21/06/2014, 08:20