Multilink Internet-of-Things Sensor Communication Based on Bluetooth Low Energy Considering Scalability

Abstract

As the growth rate of the internet-of-things (IoT) sensor market is expected to exceed 30%, a technology that can easily collect and processing a large number of various types of sensor data is gradually required. However, conventional multilink IoT sensor communication based on Bluetooth low energy (BLE) enables only the processing of up to 19 peripheral nodes per central device. This study suggested an alternative to increasing the number of IoT sensor nodes while minimizing the addition of a central processor by expanding the number of peripheral nodes that can be processed per central device through a new group-switching algorithm based on Bluetooth low energy (BLE). Furthermore, this involves verifying the relevancy of application to the industry field. This device environment lowered the possibility of data errors and equipment troubles due to communication interference between central processors, which is a critical advantage when applying it to industry. The scalability and various benefits of a group-switching algorithm are expected to help accelerate various services via the application of BLE 5 wireless communication by innovatively improving the constraint of accessing up to 19 nodes per central device in the conventional multilink IoT sensor communication.

Semantic Modeling of a VLC-Enabled Task Automation Platform for Smart Offices

“…However, the huge (and increasing) number of connected devices, along with the requirement for fast, reliable, and cost-effective data transmission, pose a challenge for these kinds of systems [5]. Several Radio Frequency (RF)-based wireless technologies have been used to provide Internet of Things (IoT) services: WiFi [6], Bluetooth [7], Near-Field Communication (NFC) [8], or Zigbee [9], and also Low Power Wide Area Network (LPWAN) technologies such as SigFox [10], NB-IoT [11], or LoRa/LoRaWAN [12]. Nevertheless, these technologies present some drawbacks, such as Electromagnetic Interference (EMI), a limited frequency spectrum, and, in some cases, a lower data rate [5].…”

A Low-Power ADPLL with Calibration-Free RO-Based Injection-Locking TDC for BLE Applications

“…With the increasing demand for the Internet-of-Things (IoT), Bluetooth Low-Energy (BLE) has become a popular solution for short-range communication of wireless applications, such as wearable devices, sensor monitoring platforms, and smart cities [1][2][3][4][5]. However, due to the limitations of application scenarios, BLE devices often have the characteristics of small volume and are easy to carry.…”