main webpage W Topic Wireless Wireless Communications and Mobile Computing • Vol 2018 • No 1 Two‐Layer Hierarchy Optimization Model for Communication Protocol in Railway Wireless Monitoring Networks 2018 The wireless monitoring system is always destroyed by the insufficient energy of the sensors in railway. Hence, how to optimize the communication protocol and extend the system lifetime is crucial to ensure the stability of system. However, the existing studi… Article Open Wireless Open Article Page

Wireless

Transfer of information or power that does not require the use of physical wires Wireless communication (or just wireless , when the context allows) is the transfer of information ( telecommunication ) between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most common wireless technologies use radio waves. With radio waves, intended distances can be short, such as a few meters for Bluetooth, or as far as millions of kilometers for deep-space radio communications. It encompasses various types of fixed, mobile, and portable applications, including two-way radios, cellular telephones, and wireless networking. Critical Symbolic Virtual Narrative Open Wireless Open Article Page

Exploring foci of: Wireless Communications and Mobile Computing • Vol 2018 • No 1 Two‐Layer Hierarchy Optimization Model for Communication Protocol in Railway Wireless Monitoring Networks 2018 The wireless monitoring system is always destroyed by the insufficient energy of the sensors in railway. Hence, how to optimize the communication protocol and extend the system lifetime is crucial to ensure the stability of system. However, the existing studies focused primarily on cluster‐based or multihop protocols individually, which are ineffective in coping with the complex communication scenarios in the railway wireless monitoring system (RWMS). This study proposes a hybrid protocol which combines the cluste… Open Article Page

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Explore Wireless W Topic Wireless Wireless Communications and Mobile Computing • Vol 2018 • No 1 Two‐Layer Hierarchy Optimization Model for Communication Protocol in Railway Wireless Monitoring Networks 2018 The wireless monitoring system is always destroyed by the insufficient energy of the sensors in railway. Hence, how to optimize the communication protocol and extend the system lifetime is crucial to ensure the stability of system. However, the existing studi… Article Critical Symbolic Virtual Narrative Open Wireless Open Article Page