Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/47595
Title: Residual Data Usage in LDPC Codes
Other Titles: LDPC Kodlarinda Artik Veri Kullanimi
Authors: Kaya E.
Pourmandi M.
Haytaoglu E.
Arslan S.S.
Keywords: caching
device-to-device communication
distributed systems
erasure codes
Codes (symbols)
Forward error correction
Multiprocessing systems
Caching
Data distribution
Data usage
Device-to-Device communications
Distributed systems
Erasure codes
LDPC-code
Repair time
Residual datum
Storage nodes
Digital storage
Publisher: Institute of Electrical and Electronics Engineers Inc.
Abstract: In distributed storage systems/coded caching systems, padding operations should be performed when the encoded data cannot be divided by the number of storage nodes evenly. Thus, extra zero values are stored in one of the nodes to balance each node's storage content. In this study, distribution of data to storage nodes with no padding was investigated for distributed caching context in which a base station and devices both store the coded data. In other words, no redundancy (no-padding) is included into the encoded data. This approach is named as residual data distribution. LDPC codes are selected as the erasure code due to their low complexity encode/decode operations. Moreover, performance comparisons were conducted between using traditional data distribution approach (with padding) and using residual data (use of no-padding) (standard) in terms of repair time. In our work, the effect of no-padding data usage on the repair time and the ratios of storage savings have been also demonstrated. © 2022 IEEE.
Description: 30th Signal Processing and Communications Applications Conference, SIU 2022 -- 15 May 2022 through 18 May 2022 -- 182415
URI: https://doi.org/10.1109/SIU55565.2022.9864789
https://hdl.handle.net/11499/47595
ISBN: 9781665450928
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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