Abstract
In order to optimize the network architecture, addressing mechanism, heterogeneous nodes and other functions of wireless sensor networks, this study begins with the issue of networking of large-scale heterogeneous networks. A layered distributed network architecture is proposed, which provides a powerful reference for the future architecture of wireless sensor networks. Based on this architecture, the resource addressing of the corresponding hierarchical network, and the scale and location deployment of heterogeneous nodes such as sink nodes are discussed separately, and corresponding strategies and algorithms are proposed. The research results show that the core idea of the addressing mechanism is data-centric, address-oriented addressing is transformed into service-oriented addressing. Therefore, the proposed LBA addressing algorithm is suitable for other hierarchically structured networks. In addition, although the sink node is taken as an example for research, it is also suitable for the deployment of other heterogeneous nodes such as sink nodes, relay nodes, and base stations. In summary, regardless of the number of nodes or the location of the deployment, energy-saving factors need to be considered. Energy-saving is also an indispensable technology in wireless sensor network technology.
Highlights
The research of modern wireless sensor networks is usually marked by the "lowpower wireless integrated miniature sensor" submitted by Prof
The emergence of the Internet has created a logical information world for us, changing the way people communicate with each other; the advent of wireless sensor networks extends this logical information world to an objective physical world, fuses the two, and enables human-to-human interaction and communication to evolve into human-natural interaction
It can be concluded from the figure, as the network scale increases, query response time for Address-Based Addressing (ABA), Directed Diffusion (DD), and Content-Based routing Protocol (CBP) increases significantly, and the query response time of Label-Based Addressing (LBA) don’t change much
Summary
The research of modern wireless sensor networks is usually marked by the "lowpower wireless integrated miniature sensor" submitted by Prof. The wireless sensor network is mainly used to realize the data acquisition and monitoring of the monitoring area or the monitoring object, and usually consists of a large number of low power consumption and inexpensive micro sensor nodes. These sensor nodes are fixed or randomly deployed in the monitoring. Since the wireless sensor network is composed of randomly deployed inexpensive sensor nodes, when some nodes in the network fail, the network can still maintain normal operation with its good self-organizing and fault-tolerant capabilities, and it will not cause the entire network system to crash It is very suitable for applications in harsh conditions or in unreachable environments. With the rapid development of wireless sensor networks and the continuous expansion of application requirements, the networking technology of traditional wireless sensor networks has not adapted to the development of demand
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