{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:36:08Z","timestamp":1760243768970,"version":"build-2065373602"},"reference-count":32,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2012,12,12]],"date-time":"2012-12-12T00:00:00Z","timestamp":1355270400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The reliability of wireless sensor networks (WSNs) can be greatly affected by failures of sensor nodes due to energy exhaustion or the influence of brutal external environment conditions. Such failures seriously affect the data persistence and collection efficiency. Strategies based on network coding technology for WSNs such as LTCDS can improve the data persistence without mass redundancy. However, due to the bad intermediate performance of LTCDS, a serious \u2018cliff effect\u2019 may appear during the decoding period, and source data are hard to recover from sink nodes before sufficient encoded packets are collected. In this paper, the influence of coding degree distribution strategy on the \u2018cliff effect\u2019 is observed and the prioritized data storage and dissemination algorithm PLTD-ALPHA is presented to achieve better data persistence and recovering performance. With PLTD-ALPHA, the data in sensor network nodes present a trend that their degree distribution increases along with the degree level predefined, and the persistent data packets can be submitted to the sink node according to its degree in order. Finally, the performance of PLTD-ALPHA is evaluated and experiment results show that PLTD-ALPHA can greatly improve the data collection performance and decoding efficiency, while data persistence is not notably affected.<\/jats:p>","DOI":"10.3390\/s121217128","type":"journal-article","created":{"date-parts":[[2012,12,12]],"date-time":"2012-12-12T11:02:13Z","timestamp":1355310133000},"page":"17128-17154","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Prioritized Degree Distribution in Wireless Sensor Networks with a Network Coded Data Collection Method"],"prefix":"10.3390","volume":"12","author":[{"given":"Jan","family":"Wan","sequence":"first","affiliation":[{"name":"School of Computer Science and Technology, Hangzhou Dianzi University, 1# of NO.2 street, Xiasha Higher Education District, Hangzhou 310037, Zhejiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0394-4635","authenticated-orcid":false,"given":"Naixue","family":"Xiong","sequence":"additional","affiliation":[{"name":"School of Information Technology, Jiangxi University of Finance and Economics, No.632 West Fenglin Street, Nanchang 330013, Jiangxi, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Computer Science and Technology, Hangzhou Dianzi University, 1# of NO.2 street, Xiasha Higher Education District, Hangzhou 310037, Zhejiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qinchao","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Computer Science and Technology, Hangzhou Dianzi University, 1# of NO.2 street, Xiasha Higher Education District, Hangzhou 310037, Zhejiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zheng","family":"Wan","sequence":"additional","affiliation":[{"name":"School of Information Technology, Jiangxi University of Finance and Economics, No.632 West Fenglin Street, Nanchang 330013, Jiangxi, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2012,12,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1016\/S1389-1286(01)00302-4","article-title":"Wireless Sensor Networks: A Survey","volume":"38","author":"Akyildiz","year":"2002","journal-title":"Comput. 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