Implementation of Mesh Network Using Bluetooth Low Energy Devices
This paper aims in design and implementation of a mesh network topology for Bluetooth Low Energy (BLE) devices. BLE has become a recent topic of research in both the Internet and the wireless industry. This paper introduces BLEmesh, a wireless mesh networ
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Abstract This paper aims in design and implementation of a mesh network topology for Bluetooth Low Energy (BLE) devices. BLE has become a recent topic of research in both the Internet and the wireless industry. This paper introduces BLEmesh, a wireless mesh network protocol which utilizes the broadcasting capability of wireless transmissions. The available data payload using BLE’s Generic Access Profile (GAP) is used for data transfer. The data from different number of nodes and packets are send in batches. The nRF51822 device is used to implement the mesh network with the use of the soft device application provided by the developers to configure the node to switch between a peripheral and central node for data transfer. Three different sensors, namely heart beat sensor, temperature sensor, and touch sensor, are interfaced with the nRF51822 to show the mesh network working, and also the values are tabulated. The results indicate that the latency and power consumption of the proposed BLEmesh network is less than previous implementations.
Keywords Bluetooth low energy Wireless mesh network protocol Soft devices Data transfer Connection interval Latency
1 Introduction Bluetooth Low Energy (BLE) is an emerging wireless technology developed by the Bluetooth Special Interest Group (SIG) for short-range communication [1]. In contrast with previous Bluetooth flavors, BLE has been designed as a low-power solution for control and monitoring applications. BLE is the distinctive feature of the Bluetooth 4.0 specification [2]. Hence in this paper, the BLEmesh is P. Gomathinayagam (&) S. Jayanthy Sri Ramakrishna Engineering College, Coimbatore, Tamil Nadu, India e-mail: [email protected] S. Jayanthy e-mail: [email protected] © Springer Nature Singapore Pte Ltd. 2018 M.C. Bhuvaneswari and J. Saxena (eds.), Intelligent and Efficient Electrical Systems, Lecture Notes in Electrical Engineering 446, https://doi.org/10.1007/978-981-10-4852-4_19
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implemented to use the multihop application in various domain applications. A wireless mesh network is a network topology in which each smart device (e.g., Smartphone, tablet, wearable, and laptop) transfers the data for the network. All devices in the network cooperate for sharing the data in the network. Mesh networks use flooding and routing techniques for relaying the data [3–5]. In this work, the proposed model for a BLEMesh Network (BMN) for mobile (non-static) devices is suitable for forming instant groups among smart devices. The proposed system is implemented by using the nRF51822-based BLE devices [6]. The devices are considered to be non-static, so that they can be in a dynamic movement while collecting the data and also there is no change in the protocol stack of the Nordic Semiconductors. The implementation is done by using the soft devices which will help us to configure the BLE devices as the peripheral and central device which will use the respected services to implement data transfer over the mesh network
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