Wavelength Allocation Scheme Based on User Traffic Prediction in TWDM-PON

doi:10.13190/j.jbupt.2017-140

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2017, Vol. 40 ›› Issue (6): 74-79.doi: 10.13190/j.jbupt.2017-140

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Wavelength Allocation Scheme Based on User Traffic Prediction in TWDM-PON

WANG Ying-jie¹, LIU Xiao-ning², LUO Huan-huan³, ZHOU Gui-ping³, WANG Yan-ru¹

1. Beijing Guodiantong Network Technical Corporation Limited, Beijing 100085, China;
2. School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China;
3. State Grid Liaoning Electric Power Corporation Limited, Shenyang 110004, China

Received:2017-11-16 Online:2017-12-28 Published:2017-12-28
Supported by:

Abstract

Abstract: In order to solve the problems of unbalanced load, low resource efficiency and large tuning cost in the existing wavelength assignment algorithms of time wave division multiple passive optical network(TWDM-PON), the periodic distribution of wavelengths in the large scale time range of user traffic request behavior was studied. A switching cycle fixed-dynamic(SC-FD) wavelength assignment scheme was proposed, which allocates the optical netork unit assigned to multiple available wavelengths by validating the future bandwidth request of the user, and finally allocating the wavelength resources. The proposed scheme combines the advantages of fixed wavelength algorithm(FWA) and the earliest idle wavelength priority(EIWP) mechanism. Simulations show that the proposed scheme can effectively reduce the wavelength tuning cost, make the user load at different wavelengths more balanced, and improve the efficiency of resource allocation.

Key words: wavelength allocation, switching cycle fixed-dynamic, switching cycle, load balancing, tuning cost

CLC Number:

TN929.1

WANG Ying-jie, LIU Xiao-ning, LUO Huan-huan, ZHOU Gui-ping, WANG Yan-ru. Wavelength Allocation Scheme Based on User Traffic Prediction in TWDM-PON[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2017, 40(6): 74-79.

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Wavelength Allocation Scheme Based on User Traffic Prediction in TWDM-PON

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