Clustered and leveled disjoint multipath routing algorithm for wireless sensor networks

Zaman, M. S.; Rama, Gowd Bhargav

doi:10.1109/ukiwcws.2009.5749392

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“…The encoder produces a steady stream of encoded packets according to a degree distribution function. There are two sorts of distribution: one kind is single degree distribution, such as Binary Exponential Distribution (BED) [4] and Robust Soliton Distribution (RSD) [5], the other is joint degree distribution [6], called Switch Degree Distribution (SDD). The decoder only needs to receive enough encoded packets without considering which packet is obtained.…”

Section: Introductionmentioning

confidence: 99%

Novel UEP LT Coding Scheme with Feedback Based on Different Degree Distributions

Wei-dang

2016

ITM Web Conf.

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Abstract. Traditional unequal error protection (UEP) schemes have some limitations and problems, such as the poor UEP performance of high priority data and the seriously sacrifice of low priority data in decoding property. Based on the reasonable applications of different degree distributions in LT codes, this paper puts forward a novel UEP LT coding scheme with a simple feedback to compile these data packets separately. Simulation results show that the proposed scheme can effectively protect high priority data, and improve the transmission efficiency of low priority data from 2.9% to 22.3%. Furthermore, it is fairly suitable to apply this novel scheme to multicast and broadcast environments since only a simple feedback introduced.

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Section: Introductionmentioning

confidence: 99%