Patent
Satellite-air-ground coordinated IoT (Internet of Things) communication method and device
Feng Wei,Xuanxuan Wang,Ge Ning +2 more
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TLDR
In this paper, a satellite-air-ground coordinated IoT communication method and device is presented, where an optimization problem model is constructed based on the obtained spatial position information of each IoT terminal and the operation parameters of the dynamic relay.Abstract:
The invention provides a satellite-air-ground coordinated IoT communication method and device. The method comprises that in one operation period of a dynamic relay, an optimization problem model is constructed based on obtained spatial position information of each IoT terminal, spatial position information of the dynamic relay and operation parameters of the dynamic relay; and an optimal solutionof the optimization problem model is calculated, and communication between each IoT terminal and the dynamic relay is realized according to the optimal solution. According to the method and device, the optimization problem model is constructed, the optimal solution of the optimization problem model is calculated, the emission power of each IoT terminal, the operation height of the dynamic relay and scheduling information of each IoT terminal in each time slot are obtained, communication between each IoT terminal and the dynamic relay is realized, the throughput of the IoT terminals is improved, communication time delay and cost of the network are reduced, and the network operation cost is reduced.read more
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Patent
Untrusted bidirectional relay multi-antenna cooperative communication method and device
TL;DR: In this article, the authors presented an untrusted bidirectional relay multi-antenna cooperative communication method and device, and the method comprises the steps: obtaining a received signal which is a signal received by a cooperative relay when a first node sends first information to the cooperative relay and a second node sends second information to cooperative relay; calculating an optimal solution of an optimization problem model constructed according to the received signal, and sending the sending signal to the first node and the second node respectively.
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Feng Wei,Xinran Fang,Ge Ning +2 more
TL;DR: In this article, an on-demand coverage method and device for a star-sky-ground cooperative ocean communication network is presented, where the minimum rate of a communication link is maximized, fair communication resource access is ensured for offshore users, and the signal coverage of the offshore cell is ensured on the basis of meeting satellite network interference limiting conditions.
References
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Patent
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TL;DR: In this paper, a navigation control method of UAV group collaborative work is proposed, where each UAV determines the respective flight direction and the flight distance according to current position information and target position information.
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Internet of Vehicles intelligent vehicle-mounted information terminal and information interaction method
TL;DR: In this article, an Internet of Vehicles intelligent vehicle-mounted information terminal, which comprises a central processor module, an information acquisition module, a display module, communication module, positioning module, storage module and a voice module in mutual connection, is presented.
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Data compression transmission method based on air-ground integration car networking system
Wu Xiaogang,Mei Zunyu,Chen Hu +2 more
TL;DR: In this article, a data compression transmission method based on an air-ground integration car networking system, belonging to the field of the data compression technology, is presented, which consists of extracting data collected at N time moments, and performing precompression process of partial extracted data; and processing the average speed data, the traffic density data, n rows of traffic flow data, I rows of environment temperature data through adoption of a run coding compression algorithm.
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