User Capacity Analysis of Space-Based Internet of Things with Multibeam Techniques
Space-based Internet of Things (S-IoT) utilizes the characteristics of satellite network coverage, strong antidestructiveness, and full-time work to realize large-scale sensing and interconnection of everything in the sky, land, sea, and air. The user capacity of S-IoT satellites is mainly determine...
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| Veröffentlicht in: | Wireless communications and mobile computing 2022, Vol.2022, p.1-13 |
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| container_title | Wireless communications and mobile computing |
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| creator | Zhang, Zhenhua Sun, Siyue Hou, Huiling Zhao, Lulu Liang, Guang Yu, Jinpei |
| description | Space-based Internet of Things (S-IoT) utilizes the characteristics of satellite network coverage, strong antidestructiveness, and full-time work to realize large-scale sensing and interconnection of everything in the sky, land, sea, and air. The user capacity of S-IoT satellites is mainly determined by beam design, communication schemes, satellite-to-earth links, and communication protocols, which directly affect the system capacity and operational capabilities of S-IoT. This paper proposes an S-IoT satellite user capacity analysis model with multibeam and spread spectrum technology. Taking into account the randomness of user distribution, the difference in transmit power, and different spreading sequences, the user capacity of S-IoT satellites was simulated and compared in different scenarios. Based on these results, this article analyzes the key factors affecting user capacity, which will provide a valuable reference for S-IoT design, link optimization, and power selection. |
| doi_str_mv | 10.1155/2022/8206660 |
| format | Article |
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The user capacity of S-IoT satellites is mainly determined by beam design, communication schemes, satellite-to-earth links, and communication protocols, which directly affect the system capacity and operational capabilities of S-IoT. This paper proposes an S-IoT satellite user capacity analysis model with multibeam and spread spectrum technology. Taking into account the randomness of user distribution, the difference in transmit power, and different spreading sequences, the user capacity of S-IoT satellites was simulated and compared in different scenarios. 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| source | Wiley Online Library Open Access; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Antennas Code Division Multiple Access Communications networks Communications systems Design optimization Internet of Things Receivers & amplifiers Satellite communications Satellite networks Spectrum allocation Spread spectrum Wireless networks |
| title | User Capacity Analysis of Space-Based Internet of Things with Multibeam Techniques |
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