Predicting future location in mobile cache based on variable order of prediction-by-partial-matching algorithm
Predicting future location in mobile cache based on variable order of prediction-by-partial-matching algorithm
- Author(s): Lincan Li ; Chiew-Foong Kwong ; Fenghu Chen ; Qianyu Liu ; Jing Wang
- DOI: 10.1049/cp.2018.1729
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- Author(s): Lincan Li ; Chiew-Foong Kwong ; Fenghu Chen ; Qianyu Liu ; Jing Wang Source: IET Doctoral Forum on Biomedical Engineering, Healthcare, Robotics and Artificial Intelligence 2018 (BRAIN 2018), 2018 page (5 pp.)
- Conference: IET Doctoral Forum on Biomedical Engineering, Healthcare, Robotics and Artificial Intelligence 2018 (BRAIN 2018)
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- DOI: 10.1049/cp.2018.1729
- ISBN: 978-1-83953-083-8
- Location: Ningbo, China
- Conference date: 4 Nov. 2018
- Format: PDF
Mobile caching at the edge of the wireless network has been regarded as an ideal approach that can alleviate the user access latencies. While there is a problem that the user terminal (UT) is moving too fast when enter a serving cache area, it may not have enough time to acquire the required data from the cache. One solution is to predict the UT's future location and pre-prepare the requested content at the cache devices that will appear in the UT's future path. Once the UT arrive at the serving cache area, they can directly acquire the data since it is already at the location, rather than send in a request to update the cache. The key point to achieve this reliably is the accuracy of the location prediction. This paper presents a location prediction model based on prediction-by-partial-matching (PPM) algorithm in the mobile cache design. The performance of this model will be compared by using one-order context, two-order context and three-order context, respectively. All the models will be evaluated in a real world data.
Inspec keywords: mobile computing; cache storage
Subjects: File organisation; Mobile, ubiquitous and pervasive computing; Mobile radio systems
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