On September 28, 2016, at the NB-IoT and LoRa seminar co-hosted by the China Wearable Industry Promotion Alliance and others, experts from Ericsson comprehensively explained the company’s research history and achievements in the field of Narrowband Internet of Things (NB-IoT): First, the experts analyzed the IoT market and made bold predictions. Next, the experts from … Read more
The research team led by Professor Hu Jianguo from Sun Yat-sen University’s School of Microelectronics has conducted research on low-power Turbo encoding and decoding for the NB-IoT communication standard. The related results are published under the title “Design of Low-Power Turbo Encoder and Decoder for NB-IoT” in the Chinese Journal of Electronics, 2024, Issue 2. … Read more
Abstract: The application of NB-IoT in the Internet of Things is becoming increasingly widespread. However, due to characteristics such as massive access, low terminal computing power, and a variety of services, NB-IoT IoT systems face numerous security issues. This article first analyzes the system architecture of NB-IoT IoT systems, dissecting the security risks faced at … Read more
The development path of the Internet of Things (IoT) is connection – perception – intelligence. Currently, we are in the first stage of IoT development, which is characterized by the rapid growth of IoT connections. By 2018, the number of global IoT connections is expected to exceed the number of mobile phone connections. First Stage … Read more
Abstract:The random access process, as an important procedure for achieving UE initial access and uplink synchronization, has been simplified and modified in NB-IoT based on the LTE system. By comparing with the random access process in the LTE system, an in-depth analysis of the currently supported contention-based random access process in NB-IoT is conducted, and … Read more
Abstract: The adoption of the Discontinuous Reception (DRX) mechanism is an important means for mobile terminals to reduce power consumption. In the NB-IoT system, the low speed and low frequency of services require terminals to have extremely low power consumption. Therefore, it has made corresponding modifications to the discontinuous reception mechanism and introduced the Enhanced … Read more
Click the above “i Smart Fire Safety” to follow us! Nowadays, smoke detectors can be seen almost everywhere, whether in shopping malls, hospitals, offices, or museums. Especially in crowded places, installing smoke detectors is essential. With the continuous development of new technologies such as artificial intelligence, 5G, big data, and cloud computing, the application of … Read more
Siqing Liu, Yinggang Xie, Bolun Xin, Qiwen Deng (School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing 100101) Abstract: In response to the current issues of low efficiency, large errors, and limited range of traditional mechanical water meters, a home water intelligent monitoring system based on NB-IoT smart water meters is … Read more
The development of NB-IoT standardization in the past year of 2016 has created an urgent demand for commercial deployment. Many mainstream telecom operators, such as Deutsche Telekom and Vodafone UK, are carrying out large-scale deployments and promotions. Currently, there are three deployment options: 1. Deploying in the same frequency band as LTE 2. Deploying at … Read more
NB-IoT technology is a low-power wide-area network (LPWA) solution defined by the 3GPP standard, characterized by extremely low power consumption, wide coverage, and a large number of connections. Its device coverage can be enhanced by 20dB, and the battery life can exceed 10 years. Given the advantages of NB-IoT and the Ministry of Industry and … Read more