Effective fiber bandwidth utilization in TDM WDM optical networks

... wavelengths in each fiber and ineffective bandwidth utilization in each wavelength, research efforts [64-73] are being conducted on different aspects of trafficgrooming problem in optical WDM mesh networks ... Moreover, the WDM mesh network provides more bandwidth, easy expansion in core networks, and alternate paths to destination nodes Since there is continual increa...

Ngày tải lên: 11/09/2015, 16:06

... the dynamic survivable routing problem for optical networks without wavelength conversion using a shared backup scheme and different wavelengths for primary and backup lightpaths, as described in ... wavelength assignment with lightpath protection (survivable routing) in WDM mesh networks is considered The path protection scheme with shared backup resource is...

Ngày tải lên: 28/03/2014, 13:20

... MANAGEMENT OF FIBER PHYSICAL EFFECTS IN HIGH- SPEED OPTICAL COMMUNICATION AND SENSOR SYSTEMS YANG JING (B Eng., Xi’an Jiaotong University, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... in both optical transmission and sensor systems In this chapter, the physical effects of optical fibers are introduced in section 1.1 The limitation...

Ngày tải lên: 11/09/2015, 10:01

Ngày tải lên: 04/10/2015, 17:06

... survivable routing against single-link failures in WDM networks In [30], the problem of routing two categories of connections, dependable connections (D -connections) and nondependable connections (ND -connections) ... DYNAMIC ROUTING OF RELIABILITYDIFFERENTIATED CONNECTIONS IN WDM OPTICAL NETWORKS MA PENG (B Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DE...

Ngày tải lên: 04/10/2015, 17:06

... Q Yin, “Improving fairness among TCP flows crossing wireless ad hoc and wired networks,” in Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ... Klemm, and C Lindemann, “TCP with adaptive pacing for multihop wireless networks,” in Proceedings of the 6th ACM International Symposium on Mobile Ad Hoc Networking and Computing...

Ngày tải lên: 22/06/2014, 19:20

... 18 8 5.4 .1 Characterisation of the Arrayed Waveguide Grating……………… 18 8 5.4 .1. 1 Insertion Loss 19 0 5.4 .1. 2 Passband Shape 19 1 5.4 .1. 3 Optical Crosstalk 19 2 5.4 .1. 4 ... Discussion………………………………………………………… 14 6 4.5 MODELLING OF FIBRE -RADIO NETWORKS INCORPORATING CASCADED WDM OPTICAL INTERFACES 14 8 4.5 .1 Network Architectures and Optical Power Budget………………… 15 0 4...

Ngày tải lên: 06/08/2014, 00:21

... 404-406, 1997 [22 ] H Ogawa, D Polifko, and S Banba, “Millimeter wave fiber optics systems for personal radio communication,” IEEE Trans Microwave Theory Tech., vol 40, pp 22 85 -22 93, 19 92 [23 ] O K Tonguz ... Technol., Vol 21 , no 10, pp 22 03 -22 10 23 Chapter 1: Introduction 24 Chapter 2: Literature Review 2. 1 LITERATURE REVIEW Introduction Chapter has outlined how mill...

Ngày tải lên: 06/08/2014, 00:21

... “Technique for increasing optical spectrum efficiency in millimeter wave WDM fiber- radio, ” Electron Lett , vol 37 , pp 10 43 –1045, 2001 [ 132 ] H Toda, T Yamashita, K Kitayama, T Kuri, “A DWDM MM-Wave Fiber ... “Capacity analysis for WDM fiber- radio backbones with star-tree and ring architecture incorporating wavelength interleaving,” J Lightwave Technol., vol 21, no 12...

Ngày tải lên: 06/08/2014, 00:21

... which eliminates the need for a light-source at the BS [70-73] 3 .4 Proposed WDM Optical Interface Fig 3 .4 shows the schematic of the proposed WDM optical interface with the optical spectra obtained ... setup for the demonstration of the proposed WDM optical interface, which enables wavelength reuse in a wavelength-interleaved DWDM mm-wave fibre -radio system 90 Chapter...

Ngày tải lên: 06/08/2014, 00:21

... WDM Optical Interface1 before entering to WDM Optical Interface2 -4 Ch3 at F Ch3 at D log10 (BER) -5 Ch3 at A -6 -7 -8 -9 -10 -11 -8 .5 -8 -7 .5 -7 -6 .5 -6 -5. 5 -5 Received Optical Power (dBm) Fig ... “Dispersion Tolerant Novel Base Station Optical Interface for Future WDM Fiber- Radio Systems, ” Proc of Conference on Optical Internet/ Australian Conference on...

Ngày tải lên: 06/08/2014, 00:21

... demonstrate its sharp -41 - 46 -42 -50 -43 -54 -44 -58 1555.8 15 56. 1 1555.8 15 56. 1 15 56. 4 1555.8 15 56. 4 15 56. 1 15 56. 4 (a) -41 - 46 -42 -50 -43 -54 -44 -58 1555.8 15 56. 1 15 56. 4 (b) Fig 4.11: Measured ... analysing the performance of links incorporating WDM optical interfaces 4.5.1.1 Star-Tree Networks A generic start-tree configured WI-DWDM fibre -radio network incorpo...

Ngày tải lên: 06/08/2014, 00:21

... “Dispersion Tolerant Novel Base Station Optical Interface for Future WDM Fiber- Radio Systems, ” Proc of Conference on Optical Internet/ Australian Conference on Optical Fiber Technology (COIN/ACOFT’03), ... 1998 177 Chapter 4: Characterisation and Enhancement of Links Performance Incorporating WDM Optical Interface [ 37] G H Smith, D Novak, and C Lim, “A millimeter-wave...

Ngày tải lên: 06/08/2014, 00:21

... BER) -6 With 0.0 KM SMF -7 -8 -9 -10 - 18. 4 - 18 -17.6 -17.2 -16 .8 -16.4 Received Optical Power (dBm) Fig 5.12: Measured BER curves for (C3, S3) recovered from three WI-DWDM signals after transmission ... Fig 5.10: Measured optical spectrum at the output of the WI-MUX with three DWDM optical mm-wave signals 1 98 Chapter 5: Enabling Wavelength Interleaving in Millimetre-Wave Fibr...

Ngày tải lên: 06/08/2014, 00:21