Adaptive data rate control in low power wide area networks for long range IoT services

Key Resynchronizing in Low Power Wide Area Networks

LPWANs are a class of technologies that have very low power consumption and high range of communication. Along with its various advantages, these technologies also have many limitations, such as low bandwidth, connectionless transmission and low processing power, which has challenged encryption methods in this technologies. One of the most important of these challenges is encryption. The very s...

Frequency hopping for long-range IoT networks

Cooperative Downlink Listening for Low-Power Long-Range Wide-Area Network

Recently, the development of the Internet of Things (IoT) applications has become more active with the emergence of low-power wide-area network (LPWAN), which has the advantages of low-power and long communication distance. Among the various LPWAN technologies, long-range wide-area network (LoRaWAN, or LoRa) is considered as the most mature technology. However, since LoRa performs uplink-orient...

Pulse Rate Control for Low Power and Low Data Rate Ultra Wideband Networks

High-Capacity Wireless Access Networks Using 920MHz Band for Wide-Area IoT/M2M Services

In the near future, many sensors and terminals will be connected to the public network to provide various convenient IoT/M2M services. In order to connect many sensors to the network efficiently, wireless communication systems in the 920MHz band are seen as attractive solutions. We are focusing on the 920MHz band to research and develop highcapacity protocols that can accommodate many terminals...