Báo cáo hóa học: " Research Article Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets" potx

... Hong, Performance analysis of space-time block codes in time-varying Rayleigh fading channels, ” in Pro- ceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP ... Guangxin, Performance analysis for orthogonal space-time block codes in the absence of perfect channel state information,” in Proceedings of the 14th IEEE I...

Ngày tải lên: 22/06/2014, 19:20

... 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 fading, number of dispersed ... considering the effects of fading, number of dispersed bands, modulation, and coding. Average symbol error probability is derived when each band undergoes independent and depe...

Ngày tải lên: 21/06/2014, 05:20

... Li, 1 Steven D. Blostein, 2 and Jiay in Qin 3 1 Faculty of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China 2 Department of Electrical and Computer Engineering, Queen’s ... 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 Fadi...

Ngày tải lên: 21/06/2014, 11:20

... P G = 12 in (33) is the processing gain obtained from the spreading code of length 4, and (3,1) repetition code in the case of normal CP [1, 2]. In case of extended CP, a maximum of 4 HI channels ... scaling factors s 1 = 11 and s 2 = 10.5. 3.2. Analysis of CFI with Repetition Coding. In this section, we compare the performance of the (32,2) block code of Table...

Ngày tải lên: 21/06/2014, 11:20

... 2004. [22] A. Malik, Design trade-off analysis of floating-point adder in FPGAs, M.S. thesis, Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, Canada, 2005. EURASIP ... face in an image means to find its position in the image plane and its size. There has been extensive research in the field, ranging mostly in the software domain [9, 10...

Ngày tải lên: 21/06/2014, 20:20

... an increased number of wireless CA and non-CA nodes bring- ing more randomness to the selection of the ACTIVE CA node. This increase in the density of nodes will require an investigation into ... following BAN logic definitions and postulates. BAN logic defines a series of predicates, together with mapping instructions for converting message exchanges into formulas, thereby enabling...

Ngày tải lên: 21/06/2014, 23:20

... 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

... as  U n that consists of the eigen- vectors associated with the smallest L c −L+1− K eigenvalues of  R. Substituting  U n in lieu of U n in (8) and solving the ob- tained equation in the least square ... corresponding to (48)and(53) are quite close to each other and, therefore, the use of the random spreading codes instead of the Gold codes retains the accuracy of (...

Ngày tải lên: 22/06/2014, 23:20

... overhead in the uplink becomes 10.41% when N = 30 and μ = 5. In Figures 3 and 4, note that a diminishing gain is observed as the number of band CQI reports increases. Taking the overhead associated with ... L. J. Cimini Jr., and H. Zheng, “Joint channel-aware and queue-aware data scheduling in multiple shared wireless channels, ” in Proceedings of IEEE Wireless Communications a...

Ngày tải lên: 21/06/2014, 23:20

... schemes in IEEE 802.16. In Section 3, we provide the analytical model including the details of the capacity allocation and the uplink scheduling. The analysis of the queueing model follows in Section ... 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. L...

Ngày tải lên: 21/06/2014, 05:20