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In this paper, we characterize the energy-saving scheme for the 10 Gigabit-class PON systems discussed in FSAN/ITU-T and IEEE 802.3av. Sleep mode is used to reduce the power consumption in the PON system. An optical network unit (ONU) goes to sleep mode after negations with optical line terminal (OLT) and wakes up when the sleep duration is up. The OLT decides the ONU's next work mode depending on...
A concentrator-based load balancing multi-path self routing switching fabric(LB-MPSR-C) was proposed recently, which was based on sorting concentrators, load-balanced and Birkhoff von-Neumann switching theory. This structure can achieve 100% throughput under admissible traffic pattern, its scalability for super large scale switching system and property of lowest hardware complexity have been deeply...
The traditional error control coding of channel has no long satisfied the requirement of the deep space communication, because of the long delay, great error rate, probability of packet loss, links easily interrupted and so on. The Fountain codes, used in deep space communication, has been introduced and analyzed. The coding and decoding process of LT codes of Fountain codes has been introduced and...
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