1 10 channel capacity and ideal communication systems

Reduced complexity signal processing techniques for multiple input multiple output storage and wireless communication systems

Reduced complexity signal processing techniques for multiple input multiple output storage and wireless communication systems

... 16 5 16 5 16 8 16 9 17 0 17 2 17 3 17 4 17 7 17 9 17 9 18 3 18 4 10 Conclusions and Future Work 10 .1 Reduced-Complexity Detection Techniques 10 .1. 1 Conclusions of Part I 10 .1. 2 Future ... 12 2 12 2 12 4 12 8 12 8 13 1 13 1 13 3 13 5 Channel Estima136 13 6 13 9 14 1 14 3 14 5 14 9 15 2 15 3 15 5 ... 10 0 10 0 10 1 10 3 11 1 11 3 11 6 12 1 Contents iv Angle-Domain MIMO-OFDM Systems 7 .1 Introduction 7.2 MIMO-OFDM Systems 7.3 Angle-Domain MIMO-OFDM Systems...

Ngày tải lên: 14/09/2015, 14:12

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A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems

A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems

... (n +1) -th frame n-th frame Sn ,1 Sn 1, N −2 Sn 1, N 1 Sn,0 + Sn ,1 Sn,N 1 Sn +1, 0 Sn,N 1 Sn +1, 0 + Sn 1, N −2 Sn 1, N 1 Sn,0 h2 rn 1, N −2 rn 1, N 1 rn,0 = rn ,1 Sn ,1 rn, N 1 Sn,N 1 ... channel 11 8 5 .1 The open-loop and closed-loop capacity for MIMO Systems 11 9 5 .1. 1 MIMO system model 11 9 5 .1. 2 MIMO system capacity 12 0 5 .1. 3 Numerical Results and discussion ... 10 2 .1. 1 Large scale propagation 11 2 .1. 2 Small scale propagation 13 2 .1. 3 Typical wireless channel models 17 2.2 OFDM systems 20 2.2 .1 Basic...

Ngày tải lên: 20/11/2012, 11:28

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Báo cáo hóa học: " Research Article Intelligent Modified Channel and Frequency Offset Estimation Schemes in Future Generation OFDM-Based Packet Communication Systems" ppt

Báo cáo hóa học: " Research Article Intelligent Modified Channel and Frequency Offset Estimation Schemes in Future Generation OFDM-Based Packet Communication Systems" ppt

... 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, − 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, − 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, − 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, − 1, 1, 1, 1, 1} 1. 5 1 −0.5 0.5 ... 7.56 dB > +7.65 dB 10 0 10 1 10 1 10 2 10 −2 MSE MSE 10 0 10 −3 10 −3 10 −4 10 −4 10 −5 −4 −2 10 −5 LSPR= −6 dB LSPR= −3 dB LSPR= dB SNR (dB) 10 12 14 LSPR= dB LSPR= dB LSPR= dB Figure 13 : MSE performance ... as Hi = 1 Wi1 + Wi2 + Wi3 + Wi4 W Hin + in ≈ Hi × n =1 Xi Xi (11 ) 2.5 1. 5 0.5 0 50 10 0 ⎪ ⎪ ⎪ ⎩ (12 ) 2.5 1. 5 0.5 0 50 10 0 P0 = = 320 16 0 n =1 xS (n) 15 0 200 250 300 2.5 1. 5 0.5 0 50 10 0 15 0 200...

Ngày tải lên: 21/06/2014, 23:20

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Communication Systems Engineering Episode 1 Part 10 ppsx

Communication Systems Engineering Episode 1 Part 10 ppsx

... Example: Send T = 11 010 1 011 Receive T’ = 11 010 1 011 (no errors) No way of knowing how many errors occurred or which bits are In error 10 01 110 1 010 11 10 01 010 00 10 01 00 011 01 10 01 010 01 10 01 000 => No ... 2r/G and T will be a multiple of G • Choice of G is a critical parameter for the performance of a CRC Example r = 3, G = 10 01 M = 11 010 1 => M2r = 11 010 100 0 10 01 110 011 11 010 100 0 10 01 010 00 10 01 ... Example: c1 = x1 + x2 + x3 c2 = x2 + x3 + x4 c3 = x1 + x2 + x4 Single Parity Check Code • The check bit is if frame contains odd number of 1' s; otherwise it is 10 110 11 -> 10 110 11 110 011 0 -> 11 0 011 0...

Ngày tải lên: 07/08/2014, 12:21

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On the performance and capacity of space time block coded multicarrier CDMA communication systems

On the performance and capacity of space time block coded multicarrier CDMA communication systems

... 1. 1 Evolution of Cellular Mobile Communication Systems 1. 1 .1 Analogue First Generation Cellular Systems 1. 1.2 Digital Second Generation Cellular Systems 1. 1.3 Third ... 13 1. 3 .1 Multicarrier CDMA 13 1. 3.2 Space-Time Coding 16 iv 1. 4 Motivations 18 1. 4 .1 Performance and Capacity in the Presence of Carrier Frequency Offset 19 ... introduced 1. 1 Evolution of Cellular Mobile Communication Systems 1. 1 .1 Analogue First Generation Cellular Systems In the late of 19 70s and early 19 80s, various first generation (1G) cellular mobile communication...

Ngày tải lên: 16/09/2015, 15:54

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Principles of Digital Communication Systems and Computer Networks

Principles of Digital Communication Systems and Computer Networks

... thay truyền dòng bit trực tiếp, truyền dòng bit 11 100 000 011 100 0 có nghĩa là, lặp lại bit ba lần Bây giờ, cho giả định dòng bit nhận 10 100 0 010 111 000 Hai lỗi giới thiệu kênh Nhưng còn, giải mã ... ứng với dòng bit: 11 0 11 0 10 11 1 Sơ đồ mã hóa yều cầu trung bình 1. 65 bits/ký tự Nếu mã hóa ký tự trực tiếp mà không xét đến xác suất, sơ đồ mã hóa là: AA 00 AB 01 BA 10 BB 11 Như cần bits/ký tự ... truyền âm với W = 310 0 Hz, SNR = 30 dB Theo trên, ta có: 30 = 10 log(S/N) log(S/N) = S/N =10 00 Vậy C= 310 0 log2 (1+ 100 0)=30.894 bps Vì vận chuyển liệu với tốc độ nhanh giá trị C được.Một điểm quan cần...

Ngày tải lên: 18/09/2012, 10:13

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3D Videocommunication Algorithms concepts and real time systems in human centred communication

3D Videocommunication Algorithms concepts and real time systems in human centred communication

... System and Results 14 3 14 3 14 5 14 8 14 8 15 1 15 2 15 2 15 3 15 4 15 4 15 6 15 8 15 8 15 8 15 9 15 9 16 1 16 2 16 2 16 3 16 4 16 4 16 5 16 5 16 6 16 7 16 8 16 9 16 9 16 9 17 0 17 2 17 5 17 5 17 6 17 7 17 9 18 1 18 2 18 2 18 3 CONTENTS ... Representation and Processing 83 87 88 88 91 93 94 96 96 97 10 2 10 4 10 6 10 6 10 8 10 9 11 0 11 1 11 2 11 2 Stereo Analysis Nicole Atzpadin and Jane Mulligan 11 5 7 .1 Stereo Analysis Using Two Cameras 7 .1. 1 Standard ... Curvature 12 .4.2 Magnification and Miniaturization Effects 18 5 18 6 18 7 19 0 19 1 19 3 19 3 19 4 19 4 19 5 19 8 19 9 2 01 202 202 202 204 205 205 206 207 208 209 210 210 212 214 214 217 219 219 220 220...

Ngày tải lên: 12/05/2013, 10:21

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unit 10 lesson 1 getting started-listen and read

unit 10 lesson 1 getting started-listen and read

... In 19 47, a pilot saw c) There were over Worldwide in 19 52 d) In 19 54, a woman and her children saw house e) A farmer saw in 19 64 f) In 19 71, two men g) A pilot in 19 78 ... soil samples in 19 64 claimed they were captured by aliens and F- In 19 71, two men taken abroad a spacecraft and his plane disappeared after sighting G- A pilot a UFO in 19 78 that he saw ... hour 1, 500 UFO sightings C- There were over worldwide in 19 52 a UFO above their D- In 19 54 , a woman and her children saw house an egg-shaped object in one of his E- A farmer saw fields and...

Ngày tải lên: 24/06/2013, 01:27

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PL/SQL Packages and Types Reference 10g Release 1 (10.1) Part No. B10802-01 December 2003 .PL/SQL

PL/SQL Packages and Types Reference 10g Release 1 (10.1) Part No. B10802-01 December 2003 .PL/SQL

... Subprograms 10 9-2 11 0 DBMS_TTS Using DBMS_TTS 11 0-2 Summary of DBMS_TTS Subprograms 11 0-3 11 1 DBMS_XDBT Using DBMS_XDBT 11 1-2 Summary of DBMS_XDBT ... 10 1-3 10 2 DBMS_TRANSFORM Summary of DBMS_TRANSFORM Subprograms 10 2-2 10 3 DBMS_TYPES Using DBMS_TYPES 10 3-2 10 4 DBMS_UTILITY Using DBMS_UTILITY 10 4-2 ... Subprograms 10 6-2 10 7 DBMS_WM Documentation of DBMS_WM 10 7-2 xv 10 8 DBMS_XDB Using DBMS_XDB 10 8-2 Summary of DBMS_XDB Subprograms 10 8-4 10 9 DBMS_XDB_VERSION...

Ngày tải lên: 24/10/2013, 17:15

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Báo cáo sinh học: " On the interchannel interference in digital communication systems, its impulsive nature, and its mitigation" doc

Báo cáo sinh học: " On the interchannel interference in digital communication systems, its impulsive nature, and its mitigation" doc

... Application Publication 2 011 / 011 2784 (12 May 12 , 2 011 )] [14 ] IS Gradshteyn, IM Ryzhik, Table of Integrals, Series, and Products, 5th edn (Academic Press, New York, 19 94) [15 ] PAM Dirac, The Principles ... control [US Patents 7 ,10 7,306 (Sep 12 , 2006), 7, 418 ,469 (Aug 26, 2008), and 7, 617 ,270 (Nov 10 , 2009)] [13 ] AV Nikitin, Method and apparatus for adaptive real-time signal conditioning and analysis [US ... of interchannel interference in digital communication systems, in Proceedings of IEEE Radio and Wireless Symposium, pp 11 8 12 1 (Phoenix, AZ, 2 011 ) [5] M Abramowitz, IA Stegun (eds.), Handbook...

Ngày tải lên: 18/06/2014, 22:20

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báo cáo hóa học:" On the interchannel interference in digital communication systems, its impulsive nature, and its mitigation" ppt

báo cáo hóa học:" On the interchannel interference in digital communication systems, its impulsive nature, and its mitigation" ppt

... Application Publication 2 011 / 011 2784 (12 May 12 , 2 011 )] [14 ] IS Gradshteyn, IM Ryzhik, Table of Integrals, Series, and Products, 5th edn (Academic Press, New York, 19 94) [15 ] PAM Dirac, The Principles ... control [US Patents 7 ,10 7,306 (Sep 12 , 2006), 7, 418 ,469 (Aug 26, 2008), and 7, 617 ,270 (Nov 10 , 2009)] [13 ] AV Nikitin, Method and apparatus for adaptive real-time signal conditioning and analysis [US ... of interchannel interference in digital communication systems, in Proceedings of IEEE Radio and Wireless Symposium, pp 11 8 12 1 (Phoenix, AZ, 2 011 ) [5] M Abramowitz, IA Stegun (eds.), Handbook...

Ngày tải lên: 20/06/2014, 04:20

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Báo cáo toán học: " On the interchannel interference in digital communication systems, its impulsive nature, and its mitigation" docx

Báo cáo toán học: " On the interchannel interference in digital communication systems, its impulsive nature, and its mitigation" docx

... 805– 811 (2004) doi :10 .10 16/j sigpro.2004. 01. 0 01 11 AV Nikitin, RL Davidchack, Method and apparatus for analysis of variables US Patents 7 ,13 3,568 (Nov 7, 2006) and 7,242,808 (July 10 , 2007) 12 ... Processing 2 011 , 2 011 :13 7 http://asp.eurasipjournals.com/content/2 011 /1/ 137 Page of 10 μs GHz gain W Mbit/s modulation μs notch at 1. 045 GHz 1. 045 GHz 1. 045 GHz transmitter Out-of-band receiver ... lowpass filter of bandwidth much larger than Δf Nikitin EURASIP Journal on Advances in Signal Processing 2 011 , 2 011 :13 7 http://asp.eurasipjournals.com/content/2 011 /1/ 137 Page 10 of 10 Abbreviations...

Ngày tải lên: 20/06/2014, 21:20

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Báo cáo hóa học: " An efficient and secure anonymous authentication scheme for mobile satellite communication systems" doc

Báo cáo hóa học: " An efficient and secure anonymous authentication scheme for mobile satellite communication systems" doc

... Comput Commun 26 (18 ), 2052–2060 (2003) doi :10 .10 16/S 014 0-3664(03)0 018 8-9 HY Lin, Security and authentication in PCS Comput Electr Eng 25(4), 225–248 (19 99) doi :10 .10 16/S0045-7906(99)00 010 -5 HY Lin, ... for mobile satellite communication systems Comput Electr Eng 35 (1) , 41 48 (2009) doi :10 .10 16/j.compeleceng.2008.05.003 Page 10 of 10 17 A Aziz, W Diffe, Privacy and authentication for wireless local ... communication systems ACM SIGOPS Oper Syst Rev 39 (1) , 70–84 (2005) doi :10 .11 45 /10 44552 .10 44560 16 TH Chen, WB Lee, HB Chen, A self-verification authentication mechanism for mobile satellite communication...

Ngày tải lên: 21/06/2014, 00:20

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Oba Pastoralism: Research, Policy and Practice 2011, 1:10 docx

Oba Pastoralism: Research, Policy and Practice 2011, 1:10 docx

... Pastoralism: Research, Policy and Practice 2 011 , 1: 10 http://www.pastoralismjournal.com/content /1/ 1 /10 been felt equally across the developed and developing countries and between low and high population ... Sons, Chichester Plachter H and Hampicke (eds) 2 010 Large scale-livestock grazing: A management tool for nature conservation, SpringerVerlag Berlin doi :10 .11 86/20 41- 713 6 -1- 10 Cite this article as: ... conservation-oriented, reduced Page of Oba Pastoralism: Research, Policy and Practice 2 011 , 1: 10 http://www.pastoralismjournal.com/content /1/ 1 /10 deforestation, the expansion of agriculture in Brazil involved...

Ngày tải lên: 21/06/2014, 04:20

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Báo cáo hóa học: " Research Article Signal Processing by Generalized Receiver in DS-CDMA Wireless Communication Systems with Optimal Combining and Partial Cancellation" docx

Báo cáo hóa học: " Research Article Signal Processing by Generalized Receiver in DS-CDMA Wireless Communication Systems with Optimal Combining and Partial Cancellation" docx

... branch for various values of 2N at 12 EURASIP Journal on Advances in Signal Processing 10 0 10 0 10 1 10 2 10 −4 10 −3 BER SER 10 −2 10 −4 10 −6 10 −5 10 −8 10 −6 10 15 20 Average SNR per symbol per diversity ... Journal on Advances in Signal Processing 13 10 0 10 0 0. 316 9 0.5584 0.7998 10 1 3 Multipath BER BER 10 1 AWGN 10 −2 10 −3 10 −2 0 .1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 10 −3 PCF Traditional receiver GR Figure ... channel (l) K − 2(N − T)β2 δ (K − 1) + , N N2 = (10 2) (l) EL 1, k ⎧ ⎪ ⎨ (l) ⎧ ⎨ = EL Rk ⎩ ⎪ ⎩ K j =1, j = k / K K K (l) ρ(l) ρmk ⎭ jm K + j =1, j = k / j =1, j = k m =1, m = j,k / / 10 −6 10 −8 10 ...

Ngày tải lên: 21/06/2014, 05:20

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Báo cáo hóa học: " Research Article Intercell Radio Resource Management through Network Coordination for IMT-Advanced Systems Young-June Choi,1 Narayan Prasad,2 and Sampath " doc

Báo cáo hóa học: " Research Article Intercell Radio Resource Management through Network Coordination for IMT-Advanced Systems Young-June Choi,1 Narayan Prasad,2 and Sampath " doc

... should satisfy α (k) C1,2 (k) − C − C − α(k) C1 (k) − C ≥ (11 ) (13 ) subject to (10 ), (11 ), and (12 ) (14 ) and if the postswitching ratio α(k)C1 (k)/C1,2 (k) meets the condition (12 ) The optimal α ... Lower-level RRM 10 FFR −5 Upper-level RRM MD 10 15 15 10 Lower-level RRM −5 1 (dB) 10 15 λ = 0.5 λ =1 λ=2 Figure 5: Boundary conditions of switching a RRC This can be further rewritten as + γ2 1+ λ λ ... by α (k) = α(k)C1 (k) C1,2 (k) (15 ) (ii) If C1,2 (k) − C − C = and C1 (k) − C < 0, α (k) can be chosen arbitrarily subject to (10 ) and (12 ) (iii) If C1,2 (k) − C − C > and C1 (k) − C ≤ 0, α...

Ngày tải lên: 21/06/2014, 11:20

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Báo cáo sinh học: " Research Article Iterative Frequency-Domain Channel Estimation and Equalization for Ultra-Wideband Systems with Short Cyclic Prefix" pot

Báo cáo sinh học: " Research Article Iterative Frequency-Domain Channel Estimation and Equalization for Ultra-Wideband Systems with Short Cyclic Prefix" pot

... Signal Processing 10 1 10 0 10 1 100 10 −2 NMSE BER 10 1 10 3 10 −4 10 −2 10 −5 10 −3 10 −6 10 −4 10 15 20 25 30 35 Number of pilot blocks 40 45 50 CP = 0, w/o IBI cancellation CP = 10 , w/o IBI cancellation ... Processing 10 0 10 0 10 1 10 1 10 2 10 −3 BER BER 10 −2 10 −4 10 −4 10 −5 10 −6 10 −3 10 −5 10 12 14 16 18 20 22 24 26 28 30 SNR (dB) CM4 CP = 20 0th it IBI cancel Ch Est pilots CM4 CP = 20 1st it IBI cancel ... 10 −5 10 −6 10 12 14 16 18 20 22 24 26 28 30 SNR (dB) en (1) Lc 1 h(r) dn 1 N + L p + − r − dn (N − r + 1) , = CM4 CP = 20 0th it IBI cancel Ch Est 10 pilots CM4 CP = 20 1st it IBI cancel Ch Est 10 ...

Ngày tải lên: 21/06/2014, 16:20

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báo cáo hóa học:" Research Article Channel Characteristics and Performance of MIMO E-SDM Systems in an Indoor Time-Varying Fading Environment" pptx

báo cáo hóa học:" Research Article Channel Characteristics and Performance of MIMO E-SDM Systems in an Indoor Time-Varying Fading Environment" pptx

... = 31 Hz fD = 93 Hz (a) RX array motion along the x-axis 10 0 10 −3 10 −4 10 −5 10 −2 10 −3 10 −4 10 1 TX-x/RX-x AS = 1 10 −2 10 −3 10 −4 10 1 10 5 10 −5 10 20 30 40 Normalised total TX power (dB) 10 0 10 0 ... 0.5λ 10 −2 10 −3 10 −4 10 1 10 5 10 20 30 40 Normalised total TX power (dB) 10 0 10 0 Average BER 10 −2 10 1 Average BER Average BER 10 1 100 TX-x/RX-x AS = 0.5λ TX-x/RX-x AS = 1 10 −2 10 −3 10 −4 10 1 ... BER 10 0 10 −5 10 20 30 40 Normalised total TX power (dB) TX-y/RX-y AS = 1 10 −2 10 −3 10 −4 10 −5 10 20 30 40 Normalised total TX power (dB) 10 20 30 40 Normalised total TX power (dB) LOS OLOS Ideal...

Ngày tải lên: 21/06/2014, 18:20

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Báo cáo hóa học: " Research Article Reduced-Rank Shift-Invariant Technique and Its Application for Synchronization and Channel Identification in UWB Systems" potx

Báo cáo hóa học: " Research Article Reduced-Rank Shift-Invariant Technique and Its Application for Synchronization and Channel Identification in UWB Systems" potx

... 0.5 0.3 10 SNR (dB) 12 14 16 18 10 −5 10 SNR (dB) 12 14 16 18 (b) MSE of the delay estimates Figure 5: The averaged hit rate (a) and MSE (b) versus the SNR in the algorithms A1–A5 when p = 10 , L ... p1 , τ p1 +1 , , τ p , 1 + TK1 , , τ p1 1 + TK1 , (25) 10 12 14 16 18 20 22 24 The means over realizations are: 0.8 (A2), 0.83 (A4) and 0.7 (A5) that is, the original 1 , , τ p1 1 ... A5 mean 0 .12 0 .12 A4 mean 0.09 0 .1 0.08 0.06 0 .15 0 .14 0 .13 Root squared CRLB 0 .12 A2 mean 0.07 0.04 0 .11 10 12 14 CIR 16 18 20 22 24 0 .1 Mean error of gain 10 SNR (dB) (a) A2 A4 A5 0.4 0.3 Figure...

Ngày tải lên: 21/06/2014, 23:20

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