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A generalized rewriting model is defined for flash memory that represents stored data and permitted rewrite operations by a directed graph. This model is a generalization of previously introduced rewriting models of codes, including floating codes, write-once memory codes, and buffer codes. This model is used to design a new rewriting code for flash memories. The new code, referred to as trajectory...
The paper presents a solution to voice conflict of IP video intercom system and achieve voice communication by studying voice communication of IP intercom system. This solution applies G.711 used widely to code and decode and also applies UDP transmission protocol for real-time transmission. It solves the problems of voice-conflict, voice delay and voice's quality.
In recent years, researchers have found that some XOR erasure codes lead to higher performance and better throughput in fault-tolerant distributed data storage applications. However, little consideration has been given to the advantages of parallel processing or hardware implementations taking advantage of the emergence of multi-core processors. This paper presents an efficient horizontal MDS-like...
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