Data Communication Design and Implementation for Marine Radio Using UHF Spectrum

Author(s):  
Iskandar ◽  
K.C. Hardiyanto ◽  
I.J.M. Edward ◽  
T. Juhana
2021 ◽  
Vol 1094 (1) ◽  
pp. 012032
Author(s):  
Waleed Khalid Al-Azzawi ◽  
Raaed Khalid ◽  
Aymen Mohammed Khodayer Al-Dulaimi

2017 ◽  
Vol 13 (05) ◽  
pp. 56
Author(s):  
Yan Chen

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


2014 ◽  
Vol 490-491 ◽  
pp. 1078-1081
Author(s):  
Yan Bin Gao ◽  
Hui Yu Liu ◽  
Xing Zhi Zhang ◽  
Ji Tao Han

In order to meet the miniaturization, low power, low cost and increasingly high precision requires of Strapdown navigation system, the Strapdown Navigation Computer based on DSP and FPGA is researched in this paper. DSP is used to process the data. The FPGA has functions of data collected and I/O controlled etc, the dual-port RAM interface complete the data communication between DSP and FPGA. Two CPU give full play to their respective characteristics, the coordinated work, can complete the function of the navigation computer well.


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