linear block codes examples ppt
Báo cáo hóa học: " Research Article A Simple Differential Modulation Scheme for Quasi-Orthogonal Space-Time Block Codes with Partial Transmit Diversity" ppt
... these codes can provide very useful re-sults at low SNR. At high SNR, they perform worse than O-STBC due to the reduced diversity. Recently, improved quasi-orthogonal space-time block codes ... onquasi-orthogonal codes, ” IEEE Transactions on Wireless Com-munications, vol. 4, no. 6, pp. 3018–3030, 2005.[13] L Y. Song and A. G. Burr, “Differential quasi-orthogonalspace-time block codes, ” IEEE ... constellation expansion; in addition it has a linear signal detector with very low complexity. Simulation resultsshow that these partial-diversity codes can provide very useful results at low...
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Engineering rock mechanics: part 2 II lustrative worked examples ppt
... been severely damaged by the sliding of a large block of rock on which the road had been built (to the right of the upper picture). The rock block was able to slide because there was a large-scale ... have formed a rock block which has slid downwards. The traces of dust in Fig. 2.4a and the clouds of dust in Fig. 2.4b were not caused by blasting: the unstable rock block slid down under ... are highlighted by the photograph in Fig. 1.2. CHILE - Continuous, Homogeneous, Isotropic and Linearly Elastic; DIANE - Discontinuous, Inhomogeneous, Anisotropic and Not-Elastic. These refer...
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Engineering rock mechanics: part 2IIlustrative worked examples ppt
... engineering rock mechanics course at Imperial College, Uni- versity of London, plus many extra examples to ensure that the book is comprehensive and is suitable for all reader purposes and ... referred to throughout as “ERM 1”. Engineering rock mechanics: part 2 Illustrative worked examples John R Harrison Senior Lecturer in Engineering Rock Mechanics Imperial College of ... (lbf/in2) with equal facility: 1 MPa * 145 psi. Part A: I I I ust ra t ive worked examples - Questions and Answers xvi Units and symbols Symbol Quantity Name of SI unit...
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Báo cáo khoa học: "Dynamic Programming for Linear-Time Incremental Parsing" pptx
... our knowledge, our work is thefirst linear- time incremental parser that performsdynamic programming. The parser of Roark andHollingshead (2009) is also almost linear time, butthey achieved this ... ∼8 times faster with the simplified edge-factored model in plot (c). Plot (d)shows the (roughly linear) correlation between parsing accuracy and search quality (avg. model score).10010210410610810101012 ... Sweden, 11-16 July 2010.c2010 Association for Computational LinguisticsDynamic Programming for Linear- Time Incremental ParsingLiang HuangUSC Information Sciences Institute4676 Admiralty Way,...
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Tự vẽ nail color block chơi Noel pptx
... kiểu nail color block này, bạn có thể chọn son đỏ hoặc hồng cùng tông màu trên móng, hay kết hợp với trang phục cùng tông màu, nhưng nhớ đừng quá đà nhé. Tự vẽ nail color block chơi Noel ... khả năng của bạn. Xu hướng vẽ móng color block được giới chơi nail mê mẩn. Bạn có thể tự vẽ tại nhà mà chẳng cần đến những hiệu nail đắt đỏ. Color block là xu hướng thịnh hành từ thời trang ... lượt từng móng theo hình minh họa. Đã hoàn thành bộ nail color block sành điệu. Bạn có thể thực hiện nhiều kiểu nail color block với những gam màu khác nhau, hãy tham khảo 2 mẫu nail dưới...
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Báo cáo khoa học: "Recognizing Authority in Dialogue with an Integer Linear Programming Constrained Model" pptx
... formalizethese constraints using Integer Linear Programming.4.1 Challenging casesWe want to distinguish between phenomena such asin the following two examples. f K2 so I’m like on the bank on ... current and previous contribution.4.3 Constraints using Integer Linear ProgrammingWe formulate our constraints using Integer Linear Programming (ILP). This formulation has an ad-vantage over ... developed a coding manual whichdescribes, in a reproducible way, how to apply the codes listed above. The six codes we use, along withtheir frequency in our corpus, are given in Table 1.In the...
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Báo cáo hóa học: " On a boundary value problem of a class of generalized linear discrete-time systems" ppt
... Jp:= sIp1− Jp1(a1) ⊕···⊕sIpν− Jpν(aν).(7)and also the q blocks of the second uniquely defined block sHq- Iqcorrespond to thei.e.d.sq1, ,sqσ,σj=1qj= ... November 2011References1. Kalogeropoulos, G: Matrix Pencils and Linear System Theory. City University Press, London (1985)2. Rough, WJ: Linear System Theory. Prentice Hall, Upper Saddle River, New ... Chelsea (1959)6. Datta, BN: Numerical Linear Algebra and Applications. Cole Publishing Company (1995)7. Dassios, IK: Solutions of higher-order homogeneous linear matrix differential equations...
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Báo cáo hóa học: " Memory effects in annealed hybrid gold nanoparticles/block copolymer bilayers" ppt
... isotherm originatesfrom chains reorientations of two blocks. Such reorien-tations are the result of the balance between block- blockand block interface interactions.In particular, the appearance ... theprotruding hydrophilic spots, consisting indeed of PAAblocks, and the flat hydrophobic regions, due to th eassembly of PnBuA blocks.Figure 2b shows the effect of the Au sputteringdeposition. ... distribution onto the block copoly-mer domains, studied by AFM, seems strongly affectedby the bilayer annealing, showing an apparent return ofthe initial dephasing of the HP-LB block copolymerfilm....
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Báo cáo hóa học: " Research Article Combined Distributed Turbo Coding and Space Frequency Block Coding Techniques" pptx
... resulted coded blocks oflength Ni+ Nc= Ni/Rcare then sent by the source (UT orBS) over the source-destination and source-RN links.(ii) Relaying Phase. The RN decodes the received block, using ... destination.Denoting by PERxthe block error probability at destina-tion provided by the algorithm x, if the messages transmittedby RNs are correct, and by PERS−R1and PERS−R2the block error probabilities ... differentpuncturing patterns for the two transmissions. Usually, Con-volutional Turbo Codes (CTCs) or Low Density Parity Check(LDPC) codes are employed to implement the distributedFEC.4.2.1. Distributed...
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Báo cáo hóa học: " Research Article Super-Orthogonal Block Codes with Multichannel Equalisation and OFDM in Frequency Selective Fading" pdf
... codes (STTCs) [2, 3], space-time block codes (STBCs) [4, 5], and super-orthogonal space-timetrellis codes (SOSTTCs) [6, 7]. SOSTTCs are a new class ofspace-time codes that combine set partitioning ... two-symbol blocks with Lrays, is given by 2∗(L−1)∗S,whereS is the original numberof states of the super-orthogonal block code in space-timedomain.3.2. Super-Orthogonal Block Codes for OFDM. ... provided the original work is properlycited.Super-orthogonal block codes in space-time domain (i.e., Super-orthogonal space-time trellis codes (SOSTTCs)) were initiallydesigned for frequency nonselective...
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Báo cáo hóa học: " Research Article Exploiting Transmit Buffer Information at the Receiver in Block-Fading Channels" ppt
... different ways, and hence there is a linkindicated in Figure 4 between FF transmission block and CSIcomputational block. A temporal representation of the entireprocess is also given in Figure 4.The ... applicability of the results, a block- fading channel with Rayleigh fading statistics is used.However, the proposed methods are applicable in general forany block- fading channel, with other ... paper is that having partial or completeinstantaneous TBIR leads to a lower packet loss rate in block- fading channels assuming the availability of partial CSIT. We providea framework for the...
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Báo cáo hóa học: "Research Article Feedback Quantization for Linear Precoded Spatial Multiplexing" ppt
... datatransmission. The transmission is organized in a blockwisefashion, that is, feedback is only possible at the beginning ofeach new block, and every block has a duration of Tf.Weassume the channel ... orthogonal space-time block codes, ” IEEETransactions on Signal Processing , vol. 53, no. 1, pp. 64–73,2005.[17] G. Leus, C. Simon, and N. Khaled, “Spatial multiplexingwith linear precoding in ... space-time linear precodersand decoders,” IEEE Transactions on Signal Processing,vol. 50, no. 5, pp. 1051–1064, 2002.[2] D. P. Palomar, M. Bengtsson, and B. Ottersten, “MinimumBER linear transceivers...
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Báo cáo hóa học: " Research Article Impact of Carrier Frequency Offsets on Block-IFDMA Systems" pptx
... transmitted on blocks of subcarriersthat are equidistantly distributed over the N subcarriers.Thus, Q= ML,whereL stands for the number of blocks andM the number of subcarriers per block. The ... (q/=q, u= u) is the intrablock interference, caused bythe other symbols transmitted by the desired user u.Fromnow on, we group the self-interference and the intrablockinterference both caused ... f )isa periodic function with period 1/LT= KM/NT,whichcorresponds to the spacing between two blocks of M adjacentsubcarriers. Also note that when M increases, it can be EURASIP Journal on...
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Báo cáo hóa học: " Research Article Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets" potx
... imperfect carrier offset compensation on the performance of space-time block codes. The symbol errorrate (SER) for orthogonal space-time block code (OSTBC) is derived here by taking into account the ... Tao, L. Jianfeng, H. Jianjun, and Y. Guangxin, “Performanceanalysis for orthogonal space-time block codes in the absenceof perfect channel state information,” in Proceedings of the 14thIEEE International ... “Effect of imperfect channel in-formation on M-QAM SER performance of orthogonal space-time block codes, ” in Proceedings of the 57th IEEE SemiannualVehicular Technology Conference (VTC ’03),...
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Linear Block Code ppsx
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