Delivery phase in cache-based wireless networks with modified LT codes

Name: Delivery phase in cache-based wireless networks with modified LT codes
Author: Raouf, A. H. F., Abouei, J., Jaseemuddin, M., Uysal, Murat

İsim	Delivery phase in cache-based wireless networks with modified LT codes
Yazar	Raouf, A. H. F., Abouei, J., Jaseemuddin, M., Uysal, Murat
Basım Tarihi:	2020-10
Basım Yeri	- Springer Nature
Konu	Caching, Delivery phase, LT code, Recovered symbols
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	1874-4907
Kayıt Numarası	0434adb9-eb9a-4d69-a438-96744d29700a
Lokasyon	Electrical & Electronics Engineering
Tarih	2020-10
Örnek Metin	Caching has emerged as an efficient technique to reduce delivery latency and network congestion. The focus of this paper is on content delivery in the caching-based wireless systems. In view of the fact that in such systems, users store fractional of popular contents during off-peak hours, we propose a modified version of the Luby Transform (MLT) encoding for the delivery phase to take the advantage of channel coding. The novelty of our proposed MLT encoding lies in employing the user’s partial information to create an appropriate degree distribution. To evaluate our proposed scheme, this study considers a realistic channel model inspired by the Gilbert-Elliott channel including the erasure mode and a binary symmetric channel model. The effectiveness of our MLT encoding is analyzed by the average degree and the number of encoding symbol. A comprehensive simulation evaluation is performed which shows that MLT encoding outperforms conventional LT coding in terms of the required number of encoding symbols and demonstrates a better performance on the recovered symbols. In particular, the MLT encoding, compared to the conventional LT encoding, reduces the amount of required symbols to recover the original file for at least 20%, when the user stored more than half a file.
DOI	10.1016/j.phycom.2020.101172
Cilt	42

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Delivery phase in cache-based wireless networks with modified LT codes

Yazar Raouf, A. H. F., Abouei, J., Jaseemuddin, M., Uysal, Murat

Basım Tarihi 2020-10

Basım Yeri - Springer Nature

Konu Caching, Delivery phase, LT code, Recovered symbols

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 1874-4907

Kayıt Numarası 0434adb9-eb9a-4d69-a438-96744d29700a

Lokasyon Electrical & Electronics Engineering

Tarih 2020-10

Örnek Metin Caching has emerged as an efficient technique to reduce delivery latency and network congestion. The focus of this paper is on content delivery in the caching-based wireless systems. In view of the fact that in such systems, users store fractional of popular contents during off-peak hours, we propose a modified version of the Luby Transform (MLT) encoding for the delivery phase to take the advantage of channel coding. The novelty of our proposed MLT encoding lies in employing the user’s partial information to create an appropriate degree distribution. To evaluate our proposed scheme, this study considers a realistic channel model inspired by the Gilbert-Elliott channel including the erasure mode and a binary symmetric channel model. The effectiveness of our MLT encoding is analyzed by the average degree and the number of encoding symbol. A comprehensive simulation evaluation is performed which shows that MLT encoding outperforms conventional LT coding in terms of the required number of encoding symbols and demonstrates a better performance on the recovered symbols. In particular, the MLT encoding, compared to the conventional LT encoding, reduces the amount of required symbols to recover the original file for at least 20%, when the user stored more than half a file.

DOI 10.1016/j.phycom.2020.101172

Cilt 42