Abstract
With the development of wireless technology, the widespread use of 5G is already an irreversible trend, and millimeter-wave sensor networks are becoming more and more common. However, due to the high degree of complexity and bandwidth bottlenecks, the millimeter-wave sensor network still faces numerous problems. In this paper, we propose a novel content-based multi-channel network coding algorithm, which uses the functions of data fusion, multi-channel and network coding to improve the data transmission; the algorithm is referred to as content-based multi-channel network coding (CMNC). The CMNC algorithm provides a fusion-driven model based on the Dempster-Shafer (D-S) evidence theory to classify the sensor nodes into different classes according to the data content. By using the result of the classification, the CMNC algorithm also provides the channel assignment strategy and uses network coding to further improve the quality of data transmission in the millimeter-wave sensor network. Extensive simulations are carried out and compared to other methods. Our simulation results show that the proposed CMNC algorithm can effectively improve the quality of data transmission and has better performance than the compared methods.
Highlights
With the development of wireless communication technology in recent years, more and more applications have the characteristics of being wireless and mobile [1]
We propose the CMNC algorithm, which combines the use of data fusion and network coding for multi-channel data transmission in the millimeter-wave sensor network
To achieve the high quality of data transmission in the millimeter-wave sensor network, this paper introduces a novel CMNC algorithm, including the function of sensor node classification and channel assignment
Summary
With the development of wireless communication technology in recent years, more and more applications have the characteristics of being wireless and mobile [1]. Increasing devices and the amount of data growth bring the plight of the shortage of bands to the wireless sensor networks. The emergence of 5G technology provides a good solution for us, which has the advantages of high-speed transmission, low latency and anti-interference [2,3]. One of the most promising potential 5G technologies under consideration is the millimeter-wave, which allocates more bandwidth to provide faster, higher-quality data transmission. Considering the increasing number of devices in wireless sensor networks, these advantages bring more stringent design requirements on developing new sensor nodes equipped with a communication model based on the millimeter-wave. The millimeter-wave is considered to be a valuable support technology of wireless sensor networks, and the emerging millimeter-wave sensor network has great potential in future applications [7,8]
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