wireless optical communication system
Tài liệu OPTICAL WIRELESS COMMUNICATION SYSTEM doc
... LIST OF ABBREVIATIONS OWC - Optical Wireless Communication IsOWC - Intersatellite Optical Wireless Communication RF - Radio Frequency SCORE - Signal Communication by Orbital Relay LEO ... 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 4.4.1 IsOWC Transmitter Design ... each subsystems used in modeling the IsOWC system. The part will be divided into three, the transmitter, OWC channel and the receiver part. MODELING INTERSATELLITE OPTICAL WIRELESS COMMUNICATION...
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Mobile Communication System Evolution
... developed the AMPS communications system in the late 1970s [BEL-79].The AMPS system was introduced into commercial service in 1983 by AT&T with a 3-monthtrial in Chicago. The system operates ... system to be investigated.The evolution of mobile communications can be categorised into generations of develop-ment. Presently, we are on the verge of the third-generation (3G) of mobile systems. ... wireless- local area network (W-LAN) solutions. 2G systems are synonymous with the globalisation of mobile systems, and inMobile Satellite Communication Networks. Ray E. Sheriff and Y. Fun HuCopyright...
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Mobile Communication System Evolution
... ControlGSM Global System for Mobile CommunicationsGSN GPRS Support NodeGSO Geostationary OrbitGTP GPRS Tunnelling ProtocolGTS Gateway Transceiver SubsystemGWS Gateway SubsystemHALE High ... Gateway Message Switching System GNSS Global Navigation Satellite System GOCC Ground OCCGPM Gross Potential MarketGPRS General Packet Radio ServiceGPS Global Positioning System GRAN Generic Radio ... Future Public Land Mobile Telecommunication SystemsFS Fixed StationFSK Frequency Shift KeyingFSL Free Space LossFTP File Transfer ProtocolMobile Satellite Communication Networks344FVC Forward...
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Principles of Digital Communication Systems and Computer Networks
... II trong sách “Principles of Digital Communication Systems and Computer Networks” của nhóm em.Phần I – Các hệ thống truyền thông số(Digital Communation System) Chương 2: Lý Thuyết Thông Tin(Information ... sư truyền thông.Tài liệu tham khảoC. E. Shannon. "A Mathematical Theory of Communication. " Bell System Technical Journal, Vol. 27, 1948.Tất cả các kỹ sư truyền thông phải đọc bài ... Cuốn sách của ông “A Maththemathical Theroy of Communication ” (Một lý thuyết toán học của sự truyền thông tin) được xuất bản trong Tạp chí Bell System Technical là cơ sở cho sự phát triển toàn...
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Datasheet - FO - Optical Distribution System - ODS 500
... modularly de-signed FO distributor system forthe termination and patching offibre-optic cables. The system isbuilt up around the DistributionCabinet System IPC (basic framewith corresponding ... tray■ cable channel unitsODS 500 Optical Distribution System The modular design is based on the purchase of individual components. The functionality of the system is continually being expanded.Order ... management system, which consists of the cable guide unitvertical, the cable guide tray, the cablechannel unit and the storage unit.Sub-rack (3 U)The sub-racks are outfitted with a feed-insystem...
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Tài liệu Fibre optic communication systems P1 doc
... of the resulting optical signal. Most digital lightwave systems employ OOK incombination with PCM.1.3 Optical Communication SystemsAs mentioned earlier, optical communication systems differ ... optical communication system. Itconsists of a transmitter, a communication channel, and a receiver, the three elementscommon to all communication systems. Optical communication systems can be clas-sified ... communication systems currently use optical fibers, the commonly used term for them is fiber-optic communication systems. Theterm lightwave system is also sometimes used for fiber-optic communication systems,although...
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Tài liệu Fibre optic communication systems P2 pdf
... channel powers in optical communication systems are typically below 10 mW, SRSis not a limiting factor for single-channel lightwave systems. However, it affects theperformance of WDM systems considerably; ... fiber-optic communications.Several books devoted entirely to optical fibers cover numerous advances made in theirdesign and understanding [12]–[21]. This chapter focuses on the role of optical fibersas ... bandwidth originates from the general theory of time-invariantlinear systems [59]. If the optical fiber can be treated as a linear system, its input andoutput powers should be related by a general...
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Tài liệu Fibre optic communication systems P3 pptx
... 1.55-µm optical communication systems operating at bit rates of2.5 Gb/s or more. DFB lasers are reliable enough that they have been used since 1992in all transoceanic lightwave systems.3.4.2 ... limit the performance of optical communication systems, especially whenβ2C > 0, whereβ2is the dispersionparameter and C is the chirp parameter. Even though optical pulses emitted from ... recombination time associated with stimulated emission.Most fiber-optic communication systems use semiconductor lasers as an optical sourcebecause of their superior performance compared with LEDs....
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Tài liệu Fibre optic communication systems P4 doc
... 14.[5] B. L. Kasper, in Optical Fiber Telecommunications II, S. E. Miller and I. P. Kaminow,Eds., Academic Press, San Diego, CA, 1988, Chap. 18.[6] S. B. Alexander, Optical Communication Receiver ... G. Swartz, in Optical Fiber Telecommunications II, S. E. Miller and I. P. Kaminow,Eds., Academic Press, San Diego, CA, 1988, Chap. 20.[54] K. Kobayashi, in Optical Fiber Telecommunications ... nonetheless useful for optical communication systems simply because of their higher sensitivity. Receiver sensitivity is an importantissue in the design of lightwave systems and is discussed...
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Tài liệu Fibre optic communication systems P5 doc
... Koch, Eds., Optical Fiber Telecommunications III, AcademicPress, San Diego, CA, 1997.[5] G. E. Keiser, Optical Fiber Communications, 3rd ed., McGraw-Hill, New York, 2000.5.1. SYSTEM ARCHITECTURES185(the ... third-generation systems operating near 1.55µm andcan exceed 100 (Tb/s)-km for the fourth-generation systems.5.1.2 Distribution NetworksMany applications of optical communication systems require ... Gnauck, in Optical Fiber Telecommunications II,S.E. Miller and I. P. Kaminow, Eds., Academic Press, San Diego, CA, 1988, Chap. 21.[2] S. E. Miller and I. P. Kaminow, Eds., Optical Fiber Telecommunications...
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Tài liệu OPTICAL COMMUNICATION THEORY AND TECHNIQUES ppt
... Optic Communication Systems, 3rd Ed., Wiley, 2002.B. F. Jorgensen, B. Mikkelsen and C. J. Mahon, “Analysis of optical amplifier noise in co-herent optical communication systems with optical ... Digital Communications. According tothe program of the workshop, the book is divided into four parts:Information and Communication Theory for Optical Communications. Thisfirst part examines optical ... methods.Key words: optical Kerr effect; optical fiber nonlinearity; nonlinear distortion; optical fibertheory.1.INTRODUCTIONThe nonlinear Schrödinger equation governs the propagation of the optical field...
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Tài liệu PRINCIPLES OF SPREAD-SPECTRUM COMMUNICATION SYSTEMS ppt
... Sequences6.2Systems with Random Spreading SequencesDirect-Sequence Systems with PSKQuadriphase Direct-Sequence Systems6.3Wideband Direct-Sequence SystemsMulticarrier Direct-Sequence System Single-Carrier ... the potential capabilities of spread-spectrum communication systems. Although direct-sequence systems greatlysuppress interference, practical systems require channel codes to deal with theresidual ... every linear code isequivalent to a systematic linear code [1]. Therefore, systematic block codes arethe standard choice and are assumed henceforth. Some systematic codewordshave only one nonzero...
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Tài liệu Fibre optic communication systems P6 ppt
... issues for long-haul systems employing a cascaded chain of optical amplifiers.6.5.1 Optical Preamplification Optical amplifiers are routinely used for improving the sensitivity of optical receiversby ... example, ∆νg∼5 THz for semiconductor optical amplifiers for which T2∼60 fs.Amplifiers with a relatively large bandwidth are preferred for optical communication systems because the gain is then nearly ... spacing becomes smaller as the system length increases.Typically, LAis kept near 50 km for undersea systems but can be increased to 80 km orso for terrestrial systems with link lengths under...
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- total access communication system
- communication system and network support
- digital communication system design
- optical information systems radio transmission
- optical information system wireless
- japanese total access communication system
- extended total access communication system
- total access communication system nedir
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