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In this paper, we propose the seamless handoff support scheme for broadband real-time services, which is based on the wavelength division multiplexing-passive optical network (WDM-PON) technologies and HMIPv6 in the wireless access network. Firstly, the proposed scheme provides fast and seamless handoff support through the proposed reliable and efficient local-link channels between sub-networks in...
Light-trail could be a promising technology for minimizing active switching and maximizing wavelength utilization. This paper will discuss a new reliable and practical light-trail architecture called a closed light-trail in which a light-trail originates and terminates at the same node. The closed light-trails create logical rings on physical ring or mesh topology networks, e.g., ROADM-enable optical...
Chirp cancellation method is proposed to reduce XPM effects in DWDM optical channels, which is executed by controlling the time delay and power of transmitted pulses. Simulation results verify the effectiveness of the proposed method.
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