optical wireless communication system model capacity and coding
Tài liệu OPTICAL WIRELESS COMMUNICATION SYSTEM doc
... Presentation and Thesis Writing 3.8 Conclusions 23 25 25 25 26 26 27 27 4 SYSTEM MODELING 4.1 Introduction 4.2 OptiSystem Software 4.3 System Model in OptiSystem 4.4 System Components ... presented and finally this chapter explains each and every subsystems of the model. 4.2 OptiSystem Software The OptiSystem software is developed by Optiwave to perform complex optical communication ... are optical transmitter, OWC channel and optical receiver. The design was then improved by builing the optical transmitter and receiver block by block. 3.5 IsOWC System Simulation of Model...
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Báo cáo hóa học: "Research Article On Building a Cooperative Communication System: Testbed Implementation and First Results" pptx
... distributedsystems. In this paper, we take the first significant stepsin building and understanding the issues in implementingpractical cooperative communication systems.We focus on amplify and forward ... estimation, and lack of perfect synchronization. Wehave built a real-time system to understand the gains ofcooperative communication in an operational system in thepresence of all channel and device ... STS/LTS preamble in this slot. The2 EURASIP Journal on Wireless Communications and NetworkingSRDFigure 1: Nodes in basic amplify and forward system. which shows that from the point of view of...
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Game Theory in Wireless and Communication Networks: Theory, Models, and Applications
... theDurkin’s model, the Okumura model, the Hata’s model, the PCS extension of the Hata model, the Walfisch and Bertoni model, and the wideband PCS microcell model [397].1.3 Organization and targeted ... autonomiccommunications.• Wireless intelligent transportation system: Awireless intelligent transportation system (ITS) refers to an integrated wireless communication and software system that ... stationary and predictable, wireless channels areextremely random and hard to analyze. Modeling wireless channels is one of the mostchallenging tasks encountered in wireless network design. Wireless...
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Digital Communication I: Modulation and Coding Course-Lecture 2 potx
... features of digital communication systemsSome basic concepts and definitions such as as signal classification, spectral density, random process, linear systems and signal bandwidth.Lecture ... comparing and selecting PCM waveforms:Spectral characteristics (power spectral density and bandwidth efficiency)Bit synchronization capabilityError detection capabilityInterference and ... companding)(ty)(tx)(ˆty)(ˆtxx)(xCy =xˆyˆCompress QauntizeChannelExpandTransmitter ReceiverLecture 2 12Quantization errorQuantizing error: The difference between the input and...
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Digital Communication I: Modulation and Coding Course-Lecture 5 potx
... PAMTt)(1tψT10Digital Communications I: Modulation and Coding CourseTerm 3 - 2008Catharina LogothetisLecture 5Lecture 5 2Last time we talked about:Receiver structureImpact of AWGN and ISI on ... observation Vector AWGN channel model: Signal vector is deterministic.Elements of noise vector are i.i.d Gaussian random variables with zero-mean and variance . The noise vector pdf ... to maximize SNRMatched filter and correlator receiverSignal space used for detectionOrthogonal N-dimensional spaceSignal to waveform transformation and vice versaLecture 5 7Detection...
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MEMS-based Circuits and Systems for Wireless Communication docx
... Switzerlande-mail: marc-alexandre.dubois@csem.ch; claude.muller@csem.chC.C. Enz and A. Kaiser (eds.), MEMS-based Circuits and Systems for Wireless Communication, Integrated Circuits and Systems, ... 333, USAe-mail: piazza@ece.cmu.eduC.C. Enz and A. Kaiser (eds.), MEMS-based Circuits and Systems for Wireless Communication, Integrated Circuits and Systems, DOI 10.1007/978-1-4419-8798-32,© ... reader can refer to [15 ]and[ 16].1.3.2 One-Dimensional Mason Model The most famous model used in the BAW field is the Mason model, which is a 1D model. As such, it cannot handle the spurious modes...
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Digital Communication I: Modulation and Coding Course-Lecture 10 potx
... and evaluation of the code.Block codes are based on algebraic/combinatorial techniques.Convolutional codes are based on construction techniques. Digital Communications I:Modulation and ... encoder.Lecture 10 10Effective code rateInitialize the memory before encoding the first bit (all-zero)Clear out the memory after encoding the last bit (all-zero)Hence, a tail of zero-bits is ... of data bits and k=1 is assumed:dataEncodercodewordtailceffRKLnLR <−+=)1(Lecture 10 4Convolutional codesConvolutional codes offer an approach to error control coding substantially...
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Digital Communication I: Modulation and Coding Course-Lecture 13 ppt
... modulation and coding schemesProbability of error, required bandwidth, delayTrade-offs between power and bandwidthUncoded and coded systemsLecture 13 17Design example of uncoded systems ... limited systemsTwo major communication resources:Transmit power and channel bandwidthIn many communication systems, one of these resources is more precious than the other. Hence, systems ... formatting, coding, modulationDesign goals:Probability of error and delay constraintsTrade-off between parameters:Bandwidth and power limited systemsTrading power with bandwidth and vise...
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Báo cáo hóa học: "IDEA1: A validated SystemC-based system-level design and simulation environment for wireless sensor networks" pot
... its capabilityof modeling the real systems, some typical sensor chipswill be modeled b y SystemC and the interactionbetween sensors and environment will be stu died. More communication protocols, ... paper and introduces the future work.2 Related workAt present, WSN simulations mainly involve two parts:node system modeling and network modeling. The node system includes the hardware and software ... 1666–2005 IEEE Standard SystemC Language Reference Manual,(Institute of Electrical and Electronics Engineers, 2006)4. F Fummi, D Quaglia, F Stefanni, A systemcbased framework for modeling and simulation...
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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
... linear system) . A detailed discussion oftheAFandPFcanbefoundin[2, pages 233–243 and 264–284] and [5]. Consider briefly the main statements regardingthe AF and PF.There are two linear systems ... systems with randomsignature sequences,” IEEE Transactions on Communications,vol. 37, no. 10, pp. 1052–1061, 1989.[35] J. C. Liberti Jr . and T. S. Rappaport, Smart Antennas for Wireless Communications: ... R. E. Ziemer and W. H. Tranter, Principles of Communications:Systems, Modulation, and Noise, John Wiley & Sons, New York,NY, USA, 6th edition, 2010.[34] R. K. Morrow Jr. and J. S. Lehnert,...
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Báo cáo hóa học: " Research Article Opportunistic Multicasting Scheduling Using Erasure-Correction Coding over Wireless Channels Quang Le-Dang and Tho Le-Ngoc" docx
... Stanwood, and N. J. van Waes, WirelessMAN: Inside the IEEE802.16 Standardfor Wireless Metropolitan Networks, IEEE Press, 2006.[2] P. Chaporkar and S. Sarkar, Wireless multicast: theory and approaches,” ... the system complexity and resources forchannel estimation and feedback signaling. Furthermore, itcan cope with fast time-varying fading channels, especiallyin mobile wireless communications systems.2.4.4. ... subcarrier.ECOMP is then expanded to make use of both time diversity and frequency diversity to investigate the trade-off betweenthroughput and delay.EURASIP Journal on Wireless Communications and Networking...
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Báo cáo hóa học: " Editorial Millimeter-Wave Wireless Communication Systems: Theory and Applications" potx
... 2 EURASIP Journal on Wireless Communications and Networking system is used to compare the BER p erformance of both mea-sured and modeled channels. The authors conclude that ... for low-cost and low-power 60 GHz communications systems and are evaluated and compared by considering the effects of front end non-ideality. The authors found that OQPSK with FDE and non-fractional ... heterodyne architecture can enable the compact and low-cost millimeter-wave receivers for the future wireless communications systems such as the IEEE 802.15.3c wireless personal area networks (WPAN)...
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