linear block codes ppt
Báo cáo hóa học: " Research Article A Simple Differential Modulation Scheme for Quasi-Orthogonal Space-Time Block Codes with Partial Transmit Diversity" ppt
Ngày tải lên :
22/06/2014, 19:20
... 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 ... on
quasi-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-orthogonal
space-time block codes, ” IEEE ... constellation expansion; in addition it has a linear signal detector with very low complexity. Simulation results
show that these partial-diversity codes can provide very useful results at low...
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Tài liệu Power Supply Block Diagram ppt
Ngày tải lên :
13/12/2013, 23:15
... Block Diagram of SwitchBlock Diagram of Switch Mode RegulatorMode Regulator
It converts an unregulated dc input...
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- 1
Tài liệu HTTP Status Codes pptx
Ngày tải lên :
21/01/2014, 06:20
... Edition
Copyright © 2004 O’Reilly & Associates, Inc. All rights reserved.
858
|
Appendix F: HTTP Status Codes
Client Error 4xx:
400 HTTP_BAD_REQUEST
401 HTTP_UNAUTHORIZED
402 HTTP_PAYMENT_REQUIRED
403 ... eMatter Edition
Copyright © 2004 O’Reilly & Associates, Inc. All rights reserved.
HTTP/1.1 Status Codes
|
857
202 HTTP_ACCEPTED
204 HTTP_NO_CONTENT
Redirection 3xx:
300 HTTP_MOVED_PERMANENTLY
301 ... HTTP_INTERNAL_SERVER_ERROR
501 HTTP_NOT_IMPLEMENTED
502 HTTP_BAD_GATEWAY
503 HTTP_SERVICE_UNAVAILABLE
HTTP/1.1 Status Codes
Informational 1xx:
100 HTTP_CONTINUE
101 HTTP_SWITCHING_PROTOCOLS
Successful 2xx:
200 HTTP_OK
201...
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Tài liệu POLYMER AGING, STABILIZERS AND AMPHIPHILIC BLOCK COPOLYMERS ppt
Ngày tải lên :
12/02/2014, 16:20
... stabilizers, and amphiphilic block copolymers / editor, Liudvikas Segewicz and
Marijus Petrowsky.
p. cm.
Includes index.
ISBN 978-1-61470-600-7 (eBook)
1. Block copolymers. I. Segewicz, ...
Surface Region of Glassy Polymers 243
Z. Yang
Chapter 9 Current Developments in Double
Hydrophilic Block Copolymers 291
G. Mountrichas and S. Pispas
Chapter 10 Thermo-Oxidation Stability of Poly ... Research and Review and Studies Induced Self-Assembly of Diblock Copolymers
9
Figure 1-1
-13. The UV spectrum of Wurster‘s blue chloride produced through...
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Modeling CO2 Injection in Fractured Reservoirs Using Single Matrix Block Systems ppt
Ngày tải lên :
23/03/2014, 15:20
... Injection 106
6.6.3 Reservoir-Pressure Effect 108
6.7 Matrix -Block Height Effect 110
6.8 Matrix -Block- Permeability Effect 112
6.9 Block- to -Block Interaction 114
6.10 Conclusions 116
6.11 References ... days vs. reservoir pressure for Single matrix block system
110
Figure 6.15 – Effect of matrix block height on oil recovery vs. time for single
matrix block using equilibrium (dash line) and CO
2
... recovery vs. time for
single matrix block at system pressure of 1400 psia 108
Figure 6.13 – Effect of reservoir pressure on oil recovery vs. time for single
matrix block system using equilibrium...
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Báo cáo hóa học: " Design of Uniformly Most Powerful Alphabets for HDF 2-Way Relaying Employing Non-Linear Frequency Modulations" ppt
Ngày tải lên :
20/06/2014, 22:20
... degrading its performance. In this work, we state that non-binary linear alphabets cannot avoid these
parameters and some exclusive codes even imply them; contrary XOR does not. We define alphabets ... dimensionality. Linear modulations (e.g., PSK, QAM)
have single complex dimension, i.e., N
s
= 1 and their con-
stellation vectors are complex scalars
s
c
t
∈
C
. Later in this
paper, we will use non -linear ... presented in Table 2. The first part of the table
describes bandwidth of linear memoryless alphabets
(denoted shortly as Linear
A
’) which is solely given by
used pulse function [20]. We present...
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Báo cáo hóa học: " Some results on the partial orderings of block matrices" pptx
Ngày tải lên :
21/06/2014, 00:20
... subtractivity.
Linear Algebra Appl. 82, 145–161 (1986). doi:10.1016/0024-3795(86)90148-5
7. Baksalary, JK, Hauke, J, Liu, X, Liu, S: Relationships between partial orders of matrices and their powers. Linear ... partial orderings. Linear
Algebra Appl. 375,83–94 (2003)
9. Baksalary, JK, Baksalary, OM, Liu, X: Further relationships between certain partial orders of matrices and their squares.
Linear Algebra ... matrix partial orderings and reverse order law. Electron J Linear Algebra. 20,
254–273 (2010)
11. Mitra, SK: Infimum of a pair of matrices. Linear Algebra Appl. 105, 163–182 (1988). doi:10.1016/0024-3795(88)90010-9
12....
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Báo cáo hóa học: " Research Article Red-Eyes Removal through Cluster-Based Boosting on Gray Codes" pptx
Ngày tải lên :
21/06/2014, 08:20
... configurations.
Configuration Hit Rate False Positives
Gray Codes 75.98% 47
Gray Codes + Clustering 77.51% 44
Gray Codes + XOR 79.31% 36
GrayCodes+Clustering+XOR 83.41% 34
The quality criterion proposed ... pages
doi:10.1155/2010/909043
Research Article
Red-Eyes Removal through Cluster-Based Boosting on Gray Codes
Sebastiano Battiato,
1
Giovanni Maria Farinella,
1
Mirko Guarnera,
2
Giuseppe Messina,
2
and ... In the second stage, a multimodal classifier,
obtained by using clustering and boosting on gray codes
features, is used to distinguish between true red-eyes patches
versus other patches. Once...
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Báo cáo hóa học: " Research Article Opportunistic Adaptive Transmission for Network Coding Using Nonbinary LDPC Codes" pptx
Ngày tải lên :
21/06/2014, 11:20
... of the network
group. In this paper, we used the DaVinci codes, that is, the
nonbinary LDPC codes from the DaVinci project [17]. For
such codes the order of the Galois field is q
= 64 = 2
6
,
that ... 1991.
[17] http://www.ict-davinci -codes. eu/.
[18] S. Pfletschinger, A. Mourad, E. L´opez, D. Declercq, and G.
Bacci, “Performance evaluation of non-binar y LDPC codes, ”
in Proceedings of the ICT ... message mixing at
intermediate nodes (routers) allows to achieve such c apacity.
Linear network coding consists of linearly combining packets
at intermediate nodes and, among other advantages [2],
allows...
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Báo cáo hóa học: " Research Article Super-Orthogonal Block Codes with Multichannel Equalisation and OFDM in Frequency Selective Fading" pdf
Ngày tải lên :
21/06/2014, 17:20
... codes (STTCs) [2, 3], space-time
block codes (STBCs) [4, 5], and super-orthogonal space-time
trellis codes (SOSTTCs) [6, 7]. SOSTTCs are a new class of
space-time codes that combine set partitioning ... two-symbol blocks with L
rays, is given by 2
∗(L−1)∗S,whereS is the original number
of states of the super-orthogonal block code in space-time
domain.
3.2. Super-Orthogonal Block Codes for OFDM. ... provided the original work is properly
cited.
Super-orthogonal block codes in space-time domain (i.e., Super-orthogonal space-time trellis codes (SOSTTCs)) were initially
designed for frequency nonselective...
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báo cáo hóa học:" Antitumor activity of sorafenib-incorporated nanoparticles of dextran/poly(DL-lactide-co-glycolide) block copolymer" pptx
Ngày tải lên :
21/06/2014, 17:20
... L-
aspartate) block copolymer micelles. J Pharm Sci 1996, 85:85-90.
4. Kwon GS, Naito M, Yokoyama M, Okano T, Sakurai Y, Kataoka K: Physical entrapment
of adriamycin in AB block copolymer ... for block copolymerization because it has one
reductive end. DexbLG copolymer was synthesized by the coupling of aminated dextran and
PLGA as described previously (Figure 1b) [13]. In the block ...
9. Liu L, Cao Y, Chen C, Zhang X, McNabola A, Wilkie D, Wilhelm S, Lynch M, Carter C:
Sorafenib blocks the RAF/MEK/ERK pathway, inhibits tumor angiogenesis, and
induces tumor cell apoptosis in...
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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
Ngày tải lên :
22/06/2014, 19:20
... imperfect carrier offset compensation on the performance of space-time block codes. The symbol error
rate (SER) for orthogonal space-time block code (OSTBC) is derived here by taking into account the ... Tao, L. Jianfeng, H. Jianjun, and Y. Guangxin, “Performance
analysis for orthogonal space-time block codes in the absence
of perfect channel state information,” in Proceedings of the 14th
IEEE International ... “Effect of imperfect channel in-
formation on M-QAM SER performance of orthogonal space-
time block codes, ” in Proceedings of the 57th IEEE Semiannual
Vehicular Technology Conference (VTC ’03),...
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Báo cáo hóa học: " Research Article Enhancement of Unequal Error Protection Properties of LDPC Codes" ppt
Ngày tải lên :
22/06/2014, 19:20
... behavior with
LDPC codes. On the other hand, more and more standards
use modern coding schemes like LDPC or Turbocodes, which
means that looking for UEP capabilities with these codes is
indeed a ... LDPC codes have been extended to the case of Raptor
codes [19]; but however, no other channel than the BEC has
been considered so far for the characterization of the UEP
behavior of LDPC codes. ... LDPC codes for
joint source-channel decoding,” IEEE Communication Letters ,
vol. 9, no. 12, pp. 1064–1066, 2005.
[9] I. M. Boyarinov and G. L. Katsman, Linear unequal error
protection codes, ”...
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Báo cáo hóa học: " Research Article Joint Source and Channel Decoding for Variable Length Encoded Turbo Codes" ppt
Ngày tải lên :
22/06/2014, 19:20
... RSC1
Figure 4: Iterative decoding model of the system.
Table 1: Huffman codes and RVLCs used in the simulations.
Symbols Probabilities Huffman codes RVLCs
uP(U
= u) c(u)
(H)
c(u)
(R)
00.5 1 1
10.25 01 00
2 ... should state that the performance advantage in the
simulations lies on using suboptimal codes, and the opti-
mal codes for the proposed system still need to be found.
This could be implemented by ... 9] Due to the out-
standing decoding performance at low signal-to-noise ratio
(SNR) level, turbo codes [10] have entered into service in
many communication applications; naturally, the new sub-
ject...
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Báo cáo hóa học: " Research Article Power-Efficient Relay Selection in Cooperative Networks Using Decentralized Distributed Space-Time Block Coding" pptx
Ngày tải lên :
22/06/2014, 19:20
... Article
Power-Efficient Relay Selection in Cooperative Networks Using
Decentralized Distributed Space-Time Block Coding
Lu Zhang and Leonard J. Cimini Jr.
Department of Electrical and Computer Engineering, ... luzhang@udel.edu
Received 1 May 2007; Accepted 8 September 2007
Recommended by R. K. Mallik
Distributed space-time block coding (Dis-STBC) achieves diversity through cooperative transmission among geographically ... subset of the
decoded nodes is selected to act as the relay set. In [2], a dis-
tributed space-time block code (Dis-STBC) was proposed in
which each relay transmits one unique column of the under-
lying...
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