Snapshot/Continuous Data Collection Capacity for Large-Scale Probabilistic Wireless Sensor Networks

Provided by: Institute of Electrical & Electronic Engineers Topic: Mobility Format: PDF
Wireless Sensor Networks (WSNs) are mainly used for collecting data from the physical world. Generally, data gathering can be categorized as data aggregation, which obtains aggregated values, e.g. the maximum, minimum, and/or average values of all the data, and data collection, which gathers all the data from the network without any data aggregation. For data collection, the union of all the values from all the sensors at a particular time instant is called a snapshot. The problem of collecting one snapshot is called Snapshot Data Collection (SDC). On the other hand, the problem of collecting multiple continuous snapshots is called Continuous Data Collection (CDC). To evaluate network performance, network capacity, which can reflect the achievable data transmission/collection rate, is usually used.

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