optical communication networks and devices

... Tamburini, Sante Andreoli, and Tommaso Occhipinti Part II 53 Coding Theory and Techniques Channel Coding for Optical Communications Sergio Benedetto and Gabriella Bosco 63 Soft Decoding in Optical Systems: ... OPTICAL COMMUNICATION THEORY AND TECHNIQUES This page intentionally left blank OPTICAL COMMUNICATION THEORY AND TECHNIQUES Edited by ENRICO FORESTIERI ... Access and Multipath Interference B Zeidler, G C Papen, and L Milstein Performance Analysis and Comparison of Trellis-Coded and Turbo-Coded Optical CDMA Systems M Kulkarni, P Purohit, and N Kannan...

Ngày tải lên: 20/01/2014, 06:20

... 15 The tested optical path N 48 Optical Fiber Communications and Devices The tested optical path included a cascade of GI optical couplers and two 100m GI patchcords at the start and the end of ... (6) 60 Optical Fiber Communications and Devices Pulse intensity Pulse intensity Chirp Optical phase (a) Pulse intensity and optical phase (b) Pulse intensity and chirp Fig Pulse intensity, optical ... rate limitations and is suitable for transmission rates of 100 Mbps 44 Optical Fiber Communications and Devices 3.3 Medium access in CSMA/CA networks A need of all -optical networks has prompted...

Ngày tải lên: 21/06/2014, 05:20

... induced by DML becomes too large and causes an error in pulse reconstruction 70 Optical Fiber Communications and Devices 4.2 C and D cases: Transient dominated laser C and D Cases use transient chirp ... wavelength after transmission over 100 km of positive and negative dispersion fiber 68 Optical Fiber Communications and Devices Independently of the Case and wavelength channels, the Q-Factor always presents ... negative dispersion sign around C band (NZ-DSF) It is well known, SMF fiber dispersion coefficient is positive in the whole telecommunication band from O-band to L-band and the dispersion coefficient...

Ngày tải lên: 21/06/2014, 05:20

... parameters, presented in Table and Table 2, 92 Optical Fiber Communications and Devices better spatial resolution may be achieved by using monochromatic X-rays and diaphragm to decrease spherical ... by a passband filter of 0.64 nm bandwidth, and a one-tap optical FFT is realised with an asymmetric Mach-Zehnder interferometer (AMZI) After direct detection, the BER and FLR of each optical subcarrier ... 2001): 104 Optical Fiber Communications and Devices dI s = gR I s I p − α s I s dz dI FW = −α p I FW dz dI BW = +α p I BW dz (6) where the intensities of the signal Is and pumps Ip (sum of FW and BW),...

Ngày tải lên: 21/06/2014, 05:20

... obligate, and even obsolete due to its complexity and power consumption (especially at such a high operating rate) 142 Optical Fiber Communications and Devices Conclusion High speed (100G b/sec and ... University of Technology and Economics, Department of Telecommunications Hungary Introduction In today's communication networks, the widespread use of optical fiber and passive optical elements allows ... diameter) and obtained power defined as input power while output power obtained by injecting LED into POF splitter (through 152 Optical Fiber Communications and Devices single POF port) and each...

Ngày tải lên: 21/06/2014, 05:20

... ROADM and the deployment of cost-effective dynamic wavelength switched networks (Kaman et al., 2006) 258 Optical Fiber Communications and Devices In order to handle more complex topologies and ... (a) and (b), respectively The circles and lines represent the measured results and the calculations based on Eqs (9) and (10), respectively The refractive indices n1 and n were 1.454 and 1.0, and ... insertion and return losses of the sample are shown in Fig 10 The optical performances changed and were 250 Optical Fiber Communications and Devices Insertion loss (dB) Return loss (dB) Gap: 50 μm 60...

Ngày tải lên: 21/06/2014, 05:20

... Wavelength-Routed Optical WDM Networks, Optical Networks Magazine, Vol 1, 2000 276 Optical Fiber Communications and Devices Zhu, H & Mukherjee B (2005) Online connection provisioning in metro optical WDM networks ... cycle 288 Optical Fiber Communications and Devices (a) (b) Fig Power penalty for (a) an NRZ system and (b) and RZ system with 10 Gbit/s without PMD as a function of the receiver filter bandwidths ... 2008, 270 demands were present For the year 2008, the network 272 Optical Fiber Communications and Devices was provisioned with 460 transponders We made the assumption that new demands arrive...

Ngày tải lên: 21/06/2014, 05:20

... 19, no 4, pp 487-494, Apr 2011 292 Optical Fiber Communications and Devices P Winzer, M Pfnnigbauer, M M Strasser, and W R Leeb, “Optimum filter bandwidth for optically preamplified NRZ receivers,” ... Finally limitations, conclusions and current research lines on these topics are presented 294 Optical Fiber Communications and Devices Will-be-set-by-IN-TECH Context and problem definition In general, ... chooses (following some randomized criterion) which elements to add from a list of candidates defined with some greedy approach; 298 Optical Fiber Communications and Devices Will-be-set-by-IN-TECH...

Ngày tải lên: 21/06/2014, 05:20

... lightpath is an all -optical communication channel that passes through all intermediate nodes between a source and a single destination without 316 Optical Fiber Communications and Devices Will-be-set-by-IN-TECH ... Large bandwidth, multiplexing capability Small size and light weight Inexpensive Optical Fiber Communications and Devices Drawbacks Unsuitable for electrical power transmission Fragile when handling ... of All -Optical Networks Physical Layer Layer Impairments in the Optimization of the Next-Generation of All -Optical Networks 317 Fig NSFNet network Sessions S1 and S2 in nodes N3 , N5 , N6 and N7...

Ngày tải lên: 21/06/2014, 05:20

... design and reduce the project development costs Figure shows a building block of the typical MGT functionality Fig MGT building block configuration 342 Optical Fiber Communications and Devices Optical ... Waveforms for differential lines 351 352 Optical Fiber Communications and Devices In black and green color RX+ and RX- signals are observed and in blue color the resulting differential signal is ... fiber optic communications have been highlighted Some of these issues fully lay in the field 360 Optical Fiber Communications and Devices of electronic engineering Other aspects, and due to the...

Ngày tải lên: 21/06/2014, 05:20

... solutions In today's communication networks, the widespread use of optical fiber and passive optical elements allows the use of quantum key distribution (QKD) in the current standard optical network ... rup and rlow initially also increase, in agreement with (27) Then, for r1≥ r22, rup and rlow remain at a constant and maximum value in agreement with (26) 14 Optical Fiber Communications and Devices ... an 18 Optical Fiber Communications and Devices optical band-pass filter (OBPF) to suppress most of the amplified spontaneous emission (ASE) A 90/10 coupler was used to couple the pump and the...

Ngày tải lên: 27/06/2014, 01:20

... line devices, are not the goal of this text and are not included here The author hopes this text will help the reader understand the world of planar transmission line networks and devices and ... Franco Di Paolo Networks and Devices Using Planar Transmission Lines ©2000 CRC Press LLC Library of Congress Cataloging-in-Publication Data Di Paolo, Franco Networks and devices using planar ... Inserting 1.5.1 and 1.5.2 in 1.3.6 and 1.3.9 we have the expression of voltage and current along the t.l.: * See Appendix A7 and, among others, chapters and where ferrimagnetic devices are studied...

Ngày tải lên: 24/08/2014, 17:51

... pertains to first-, second-, and third-generation of networks, and interested readers can find more details in Optical Networks by Ramaswami and Sivarajan (1998), and Optical Networks by Black (2002).3,10 ... of optical networks Another perspective of optical networks pertains to various optical transport networks and distribution networks (in user/client domain) As one finds in literature,1–4 the optical ... trees, and optical mesh topologies constitute the optical networks © 2003 by CRC Press LLC 1333_FrameBook.book Page 30 Tuesday, February 25, 2003 11:33 AM 30 The handbook of optical communication networks...

Ngày tải lên: 24/08/2014, 17:52

... thức, entropy H = 4.07 bit/ký hiệu Lưu ý: Hãy xem xét câu sau: "I not knw wheter this is undrstandble." Mặc dù thực tế số chữ tích câu bạn làm câu văn Nói cách khác, có nhiều khả dự phòng văn ... đặc biệt để khắc phục ảnh hưởng nhiễu Hai khía cạnh đưa Shannon báo “A Maththemathical Theroy of Communication xuất năm 1948 Bell System Technical Journal - nơi đưa lý thuyết thông tin Shannon ... định lý quan trọng cho kỹ sư truyền thông Tài liệu tham khảo C E Shannon "A Mathematical Theory of Communication. " Bell System Technical Journal, Vol 27, 1948 Tất kỹ sư truyền thông phải đọc báo...

Ngày tải lên: 18/09/2012, 10:13

... 100Gbps optical path and QoS service 100Gbps optical path and QoS service provisioning between terabit-class LANs provisioning between terabit-class LANs >100Gbps optical 3R 32 Optical RAM for all -optical ... management for optical path provisioning between terabit-class LANs Optical path ISP network A Terabit-class optical LAN Optical path ISP network B Optical path ISP network C Terabit-class optical LAN ... >10Tb/s λ3 λ2 Optical IP Router WDM Optical Burst Switch WDM Optical MPLS Router OXC Full-mesh NW (Centralized Control) WDM 2010〜 Year Year 〜 OADM : Optical Add/Drop Multiplexer OXC : Optical Cross-connect...

Ngày tải lên: 26/01/2014, 02:20

... wireless networks 2.2.1 3G cellular networks and beyond 2.2.2 WiMAX networks 2.2.3 WiFi networks 2.2.4 Wireless personal area networks 2.2.5 Wireless ad hoc networks 2.2.6 Wireless sensor networks ... Organization and targeted audience game-theoretic models in a wide range of wireless and communication applications such as cellular and broadband networks, wireless local area networks, multi-hop networks, ... cellular and broadband networks: uplink power control in CDMA networks, resource allocation in OFDMA networks, power control in femtocell networks, IEEE 802.16 broadband wireless access, and vertical...

Ngày tải lên: 16/03/2014, 20:20

... as the study of communication networks, computer networks, and neural networks The Wiley-Interscience Series in Systems and Optimization has been established to serve the needs and researchers ... xix A Networks Pricing and Communications Networks 1.1 The Market for Communications Services 1.1.1 The Communications Revolution 1.1.2 Communications Services ... Pricing Communication Networks: Economics, Technology and Modelling Costas Courcoubetis and Richard Weber Copyright  2003 John Wiley & Sons, Ltd ISBN: 0-470-85130-9 Pricing Communication Networks...

Ngày tải lên: 08/04/2014, 12:12

... transmission of optical signals on optical media 306 OPTICAL WDM NETWORKS Figure 3: The Optical transport network layers The optical transport network architecture of G.872 is extremely flexible and supports ... public and private networks, exchanges, digital and analog transmission systems, ISDN, circuit and cell-based networks, operations systems, PBX’s and signalling systems It can also be applied to optical ... standards’ body and the ones provided here are for indication purposes With these in hand we have the basic resources of the optical transport network that need to be managed 308 OPTICAL WDM NETWORKS...

Ngày tải lên: 30/05/2014, 21:48

... J P Jue, and B Mukherjee A review of routing and wavelength assignment approaches for wavelength-routed optical WDM networks Optical Networks, 1(1):47–60, January 2000 [6] B Ramamurty and B Mukherjee ... wavelength routed optical networks Optical Networks Magazine, 1(1):73–89, January 2000 [11] R Ramaswami and K N Sivarajan Design of logical topologies for wavelength-routed optical networks IEEE ... next generation optical WDM networks IEEE Journal Selected Areas in Communications, 18(10), October 2000 [4] G.-K Chung, K.-I Sato, and D K Hunter (Eds.) Special issue on optical networks Journal...

Ngày tải lên: 06/08/2014, 00:21

... Introduction to Optical WDM Networks A basic property of single mode optical fiber is its enormous low-loss bandwidth of several tens of Terahertz However, due to dispersive effects and limitations in optical ... supercomputers) and the optical core Access nodes provide the terminating points (sources and destinations) for the optical signal paths; the communication paths may continue outside the optical part ... visualization, and many more to come Consequently, optical WDM networks have been a subject of extensive research both theoretically and experimentally [3, 4] The architecture for wide-area WDM networks...

Ngày tải lên: 06/08/2014, 00:21