Abstract
With the progress of the times, the network has grown into the people's work and life. The limitations of the traditional wireless sensor network (WSN) have become increasingly prominent, and it is obviously unable to meet the requirements of Internet access. Therefore, the 4G mobile Android system is used as a carrier, to design an application layer gateway system for realizing wireless communication between wireless sensor networks and heterogeneous cellular networks, so as to build wireless sensor cellular network. The design and implementation of the AP module, data receiving and forwarding module, network packet loss management and retransmission of the gateway systemis the focus, and then the implemented gateway system is tested. The test results show that the design of the Android platform wireless sensor network gateway system can connect the sensor network to the cellular network, so as to realize data communication, and to ensure that the data loss rate is less than 0.1%. Through testing, it is concluded that the system can meet the actual demand
Highlights
The Internet of things mainly through the edge of the various access to the perception of the physical world of information to connect to the information world, the two become a unified body [2]
Mobile communication cellular network with high quality coverage, it is basically the global coverage [8], and the mobile communication cellular network has been through GPRS, 4G, LTE and other access network technology and the Internet to achieve a perfect interconnection, using the mobile communication cellular network as an information channel, and the wireless sensor network can be connected to Internet anytime and anywhere
In this paper, the 4G mobile Android system is used as a carrier, to design an application layer gateway system for realizing wireless communication between wireless sensor networks and heterogeneous cellular networks, so as to build wireless sensor cellular network
Summary
The Internet of things mainly through the edge of the various access to the perception of the physical world of information to connect to the information world, the two become a unified body [2]. Internet of Things requires access to any place at any time, and the traditional wireless sensor network is mainly through its sink node to connect with a server in the wired IP network, access to the Internet [6]. The mobile phone communicates with the sink node of the wireless sensor network through WiFi technology, and the other side is connected with the Internet via GPRS network. For the integration of the two networks between the strategy, the industry and the academic community of many researchers have given a variety of solutions It is generally divided into three types: Gateway policies, overlay policies, and wireless mesh policies. In this paper, the 4G mobile Android system is used as a carrier, to design an application layer gateway system for realizing wireless communication between wireless sensor networks and heterogeneous cellular networks, so as to build wireless sensor cellular network. In view of the fact that API can temporarily not provide message to the mobile communication cellular side in the application layer of the Android package SDK API document, the encapsulation function of mobile communication cellular network side message will be automatically completed by the mobile phone at the bottom of the system
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