optical wireless communication system model capacity and coding

... Optical wireless communications : system and channel modelling with MATLAB / Z Trang 9 Contents Chpter 1 Introduction: Optical Wireless Communication Systems Wireless Access Scheme: A ... 33 Indoor Optical Wireless Communication Channel 3.1.1 LOS Propagation Model 3.1.2 Non-LOS Propagation Model 3.1.3 Ceiling Bounce Model 3.1.4 Hayasaka-Ito Model 3.1.5 Spherical Model Artificial ... identification and explanation without intent to infringe or registered trademarks, and are used only for Library of Congress Cataloging-in-Publication Data Ghassemlooy, Zabih Optical wireless communications

Ngày tải lên: 22/10/2022, 08:10

... non-linear DSP model 5d8—#— MMSE LS non-linear DSP model 5dB —e- ZF LS non-linear DSP model 748 —e- MMSE LS non-linear DSP model 748 you | —®— ZF LS linear DSP model © MMSE LS linear DSP model —&— ... DSP model 5dB 10} —e— ZF LS non-linear DSP model 548 —&— MMSE LS non-linear DSP model 5dB —e~ ZF LS non-linear DSP model 7d8 —e- MMSE LS non-linear DSP model 748 10} —e- ZF LS linear DSP model ... TRUYEN THONG KHONG DAY MIMO-OFDM (Research on applying deep learning on the MIMO-OFDM wireless communication system) LUAN VAN THAC Si NGANH CONG NGHE THONG TIN MA SO: 8480201 NGƯỜI HƯỚNG DAN KHOA

Ngày tải lên: 24/11/2024, 14:44

... THÔNG TIN VÔ TUYẾN VỀ THÔNG TIN VÔ TUYẾN CONCEPTs CONCEPTs OF WIRELESS COMMUNICATION SYSTEM OF WIRELESS COMMUNICATION SYSTEM 2 2 NỘI DUNG NỘI DUNG Khái niệm và nguyên lý cơ bản Khái ... gọi là Intersystem Hand Off  Tiến trình xử lý Hand-off Pilot Strength (Ec/Io) Cell A Cell B Add point Drop point Cell A BTS-A Moving Direction of MS 21 BTS-B Handoff Region HAND-OFF CALL ... CALL PROCESSING Cell B  Các dạng Hand-off cơ bản 22 Scope of Hand-off: Intra-BS, Intra-MSC Handoff Inter-BS, Intra-MSC Handoff Inter-BS, Inter-MSC Handoff  Khái niệm lưu lượng...

Ngày tải lên: 01/08/2015, 20:29

... Section 2, we describe the multipath fading channel model and provide system models for selection/maximal ratio combining and synchronous DS-CDMA, and recall the main functioning principles of GR ... channel model in DS-CDMA system employing GR Finally, simulation results are given inSection 5, and some conclusions are made inSection 6 2 System Model 2.1 Multipath Fading Channel Model Let ... linear system) A detailed discussion of the AF and PF can be found in [2, pages 233–243 and 264– 284] and [5] Consider briefly the main statements regarding the AF and PF There are two linear systems

Ngày tải lên: 21/06/2014, 05:20

... advantage to end-user quality as well as system capacity 6 SUMMARY AND CONCLUSIONS We have described and investigated a wireless video coding and delivery system which combines a scalable video ... typical bandwidth limitations of wireless channels, QCIF-format (176×144) video sequences are used in this work Figure 1 illustrates the video coding and wireless de-livery scheme proposed and investigated ... Enh. Source encoder Wireless link RCPC channel decoder Unequal error protection Figure 1: Illustration of a multilayered video coding and wireless delivery system FEC/UEP channel coding approach

Ngày tải lên: 22/06/2014, 19:20

... propagation and channel models for wireless multiple-input multiple-output (MIMO) systems We distinguish between physical models and analytical models and discuss popular examples from both model types ... coupling) and system band-width Physical MIMO channel models can further be split into deterministic models, geometry-based stochastic models, and nongeometric stochastic models Deterministic models ... presented into physical models (discussed inSection 2) and analytical models (Section 3) Then, MIMO models developed within wireless standards are reviewed in Section 4and finally, a number of

Ngày tải lên: 22/06/2014, 22:20

... Valadas, and A M de Oliveira Duarte, “Characterisation and modeling of artificial light interference in optical wireless communication systems,” in Proc IEEE Per-sonal, Indoor and Mobile Radio Communications ... history of optical wireless communications (free space optical links) predates that of fiber optics Optical wireless communication is in use today in many applications, offering very-high-speed wireless ... scenario The indoor wireless systems are quasistationary systems in general Furthermore, because of the short distance and fixed locations of the noise sources the optical wireless chan-nel seems

Ngày tải lên: 23/06/2014, 00:20

... tracking and HR-AoA enhancement, and the same FT performs both tracking and enhancement 105 6.9 Performances of EKF-based tracking and HR-AoA enhancement, and different FTs perform tracking and ... tracking and HR-AoA enhancementfor randomly generated trajectory, and the same FT performs bothtracking and enhancement 1096.13 Performances of EKF-based tracking and HR-AoA enhancement forrandomly ... transport tracking system, location information inemergency systems and localization of nodes in wireless sensor networks Variouslocalization systems have been developed, and depending on their

Ngày tải lên: 10/09/2015, 09:07

... argument Trang 20Wireless voice and data communication has become an increasingly vital part of ourmodern daily life Signals in wireless communication experience path loss, shadowingand multipath ... channel model may change dueto mobility, there exists the need for a robust and simple receiver that applies to allchannel models and is easy to implement As our demand on the data rate increasesand ... receiver design in wirelesscommunication and our research objective in robust receiver design in Section 1.1 We then give an overview of performance analysis in wireless communication andour detailed

Ngày tải lên: 10/09/2015, 15:51

... optical quantum communication An optical quantum communi-cation infrastructure will require sources of pure entangled optical states that are brightand have a narrow spectral bandwidth Such sources ... additionalpower and functionality that quantum systems can bring to computing and informationprocessing [1,2,3,4,5,6] In order to appreciate the different effects of quantum and classical systems oninformation ... consider 1 Quantum systems can also implement multi-level schemes of coding information For example, ternary systems are encoded via three level quantum systems called qutrits N-level encoding schemes

Ngày tải lên: 11/09/2015, 16:07

... Trang 1DESIGN AND ANALYSIS OF WIRELESS DIVERSITY SYSTEMS ZHANG SONGHUA NATIONAL UNIVERSITY OF SINGAPORE 2004 Trang 2DESIGN AND ANALYSIS OF WIRELESS DIVERSITY SYSTEMS ZHANG SONGHUA ... different power, delay and direction of arrival Consequently, on top of the AWGN, wireless communication system suffers from multiplicative random amplitude attenuation and phase distortion, a ... diversity system and compare its performance with coherent signaling and also differential system 1 3 Literature Review The concept and fundamental performance analysis of diversity system are

Ngày tải lên: 16/09/2015, 15:54

... 2012 [13] J Wang and Q Wang, Body Area Communications: Channel Modeling, Communication Systems, and EMC Singapore : Wiley (Asia), 2013 [14] H J Yoo, “Wireless body area network and its healthcare ... Chen, T Tang, Y Zhao, P Wang, and Y Zhang, “Research and simulation of PPM modulation and demodulation system on spatial wireless optical communication,” in Photonics and Optoelectronic (SOPO), ... Digital communication systems Fig 2.1 Basic elements of a digital communication system Generally, any communication system has three blocks which are transmitter, receiver and communication

Ngày tải lên: 28/11/2015, 14:02

... nonlinearity in communication systems In this work, we investigate the reasonableness of well-known nonlinear models and propose two models that are both analytic and better than Cann’s new model in ... its bandwidth (of course plus a suitable redundance for significant IMPs) The resulting model is the lowpass equivalent representation of the bandpass system and is regarded as envelope model ... are the basis functions of the polynomial model, and ak are the model’s complex coefficients Table 1 Coefficients of polynomial models (8) and (9) Model a1 a2 a3 a4 a5 a6 a7 a8 a9 (10) 30.02

Ngày tải lên: 11/02/2020, 16:37

... itsflexibility and high spectral efficiency is being considered as the technology for 4thgeneration cellular systems, and is being used in more and more standards-based andproprietary data communications ... ADSLtechnology and some HDTV transmissions standards.2.2.3 Frequency Bands By law, the relation between the standard 802.11 and the frequency bands isdirect, without a deregulated frequency band there ... 802.11 Standard Details [4] The 802.11 standard specifies wireless LANs that provide up to 2 Mbps oftransmission speed and operate in the 2.4−GHz Industrial, Scientific, and Medical(ISM) band using

Ngày tải lên: 29/01/2021, 00:58

... Increasing a system's bandwidth increases the capacity of its channel This enables higher data rates in communication systems and finer range resolutions for radar systems The increased bandwidth ... both systems Typically, wideband systems operate with a bandwidth of greater than 5% of their center frequency In contrast, narrowband systems operate with a bandwidth of 1% or less of the system's ... Sotillo, "Handbook of Computer Communications Standards, 2nd edition, volume 2," 1990 [3] C.-Y H Alan Holt, "802.11 Wireless Networks: Security and Analysis Computer Communications and Networks,"

Ngày tải lên: 17/03/2021, 17:23

... follows: • Coal processing and burning system • Smoke and wind system • Fuel oil combustion system • Dust blowing system • Furnace discharge system • Electrostatic dust removal system 2.1.1 Furnace ... Supervisory Control and Data Acquisition system This thesis outlines the design and development of a boiler automation system using PLC, SCADA, and sensors PLC and SCADA interfaced via communication ... view In an emergency, the system will have automatic valves to help the system release pressure and steam, emergency stops the system and automatically notify the operator and related agencies In

Ngày tải lên: 27/11/2021, 23:32

... Function Model Transfer function model is different from ARIMA model ARIMA model is univariate time series model, but transfer function is multivariate time series model This means that ARIMA model ... suburban and open (rural) These formulations are limited to certain ranges of input parameters, and are applicable only to land almost flat and are valid for frequencies of 150 to 1500 Mhz and the model ... there is a great variety of communications channel models, with fundamental theories and experiments with a prediction on path loss in mobile communication systems These models differ in their applicability,

Ngày tải lên: 13/10/2022, 15:45

... = 1 )and represents the flow rate, and θ is the system noise The concentration of the product at the outlet of the column ( C i=N g) is y and is scalar The system repre- sented by Eqs.(12)and (13)is ... including the actuating and sensory systems via the SCADA system The key aspect of XAMControl is its compatibility and con- nectivity with the SCADA system, since all the standard commu- nication ... diffusion model; q and ¯q  represent the average concentration in the sta- tionary phase and the adsorption isotherm, respectively; D e and p are the effective diffusivity of the protein solution and

Ngày tải lên: 20/12/2022, 21:35

... 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...

Ngày tải lên: 19/01/2014, 07:20

... distributed systems. In this paper, we take the first significant steps in building and understanding the issues in implementing practical cooperative communication systems. We focus on amplify and forward ... estimation, and lack of perfect synchronization. We have built a real-time system to understand the gains of cooperative communication in an operational system in the presence of all channel and device ... STS/LTS preamble in this slot. The 2 EURASIP Journal on Wireless Communications and Networking S R D Figure 1: Nodes in basic amplify and forward system. which shows that from the point of view of...

Ngày tải lên: 21/06/2014, 20:20