A Novel Mine Mobile Communication System without Blind Zones

2011 ◽  
Vol 58-60 ◽  
pp. 249-255 ◽  
Author(s):  
Ji Ping Sun ◽  
Fan Zhang
Keyword(s):  
Mobile Communication ◽  
Communication System ◽  
Communication Systems ◽  
Optical Network ◽  
Passive Optical Network ◽  
Mobile Communication System ◽  
System Components ◽  
Wireless Interface ◽  
Mine Tunnels ◽  
Blind Spots

To address the problem of wireless communication system existing blind spots in mine tunnels, this paper proposes a novel mine mobile communication systems without blind zones, based on Ethernet Passive Optical Network (EPON) and Radio on Fiber (RoF) technologies, which adopts WiFi, WiMAX and other wireless interface, as well as leaky antenna and distributed antenna. The key technical elements for designing the mine mobile communication system are clarified, and the system components and the dual-bus-shaped network structure are presented. Also, the operating principle and the features of the system are analyzed. In addition, the trend of the technology related to the future mine mobile communication system is presented.

scholarly journals The usage of mobile communication systems in the trucking industry

2000 ◽  
Vol 12 (1) ◽  
pp. 49-56
Author(s):  
R Stephen Parker ◽  
John L Kent ◽  
Karl B Manrodt
Keyword(s):  
Mobile Communication ◽  
Mobile Communications ◽  
Communication System ◽  
Communication Systems ◽  
Cell Phones ◽  
Satellite Communications ◽  
Trucking Industry ◽  
Mobile Communication Systems ◽  
Mobile Communication System ◽  
Decision Factors

This article reports the findings of a mobile communications survey mailed out to over 2,000 trucking firms. The findings indicate that 68% of respondents use some form of mobile communication system in their firm. Various types of mobile communication systems were reported, including two-way pagers, one-way pagers, cell phones, two-way radio, and satellite communications. Additionally, implementation decision factors for mobile communication systems were evaluated for both users and non-users of mobile communication systems.

scholarly journals Current Situation and Development Trend of Mobile Communication Systems

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Lin Jun
Keyword(s):  
United States ◽  
Network Structure ◽  
Mobile Communication ◽  
Communication System ◽  
Communication Systems ◽  
Research Direction ◽  
Development Trend ◽  
The United States ◽  
Mobile Communication System ◽  
The Development Trend

This paper introduces the development background of mobile communication and the development of mobilecommunication. It introduces the application principle, network structure, main technology, the advantages anddisadvantages of the three generations of mobile communication system respectively, and introduces the currentthird generation mobile communication system, including its technical support and research direction, analysis andcomparison of the European WCDMA system, the United States CDMA2000 system and China's TD-SCDMA systemtechnical characteristics. Finally, the development trend and prospect of future mobile communication system arediscussed.

Fault Tree Analysis for a Modern Communication System

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Kamal Hamid ◽  
Nadim Chahine
Keyword(s):  
Communication System ◽  
Communication Systems ◽  
Fault Tree ◽  
Fault Tree Analysis ◽  
Theory And Practice ◽  
Tree Analysis ◽  
Satisfactory Performance ◽  
System Components ◽  
Link Budget ◽  
Simulation Results

Wireless communications became one of the most widespread means for transferring information. Speed and reliability in transferring the piece of information are considered one of the most important requirements in communication systems in general. Moreover, Quality and reliability in any system are considered the most important criterion of the efficiency of this system in doing the task it is designed to do and its ability for satisfactory performance for a certain period of time, Therefore, we need fault tree analysis in these systems in order to determine how to detect an error or defect when happening in communication system and what are the possibilities that make this error happens. This research deals with studying TETRA system components, studying the physical layer in theory and practice, as well as studying fault tree analysis in this system, and later benefit from this study in proposing improvements to the structure of the system, which led to improve gain in Link Budget. A simulation and test have been done using MATLAB, where simulation results have shown that the built fault tree is able to detect the system’s work by 82.4%.

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