On October 17, Guangdong Telecom and Huawei completed the upgrade of LTE800 pilot equipment in Shenzhen, opened a standardized version of the NB-IoT network, and took the lead in building a standardized low-frequency 800M NB-IoT contiguous overlay network in Shenzhen. At present, Guangdong Telecom has successfully completed relevant coverage tests, laying the foundation for the full commercialization of Guangdong Smart Water. China Telecom initiated the research of NB-IoT as early as 2015, and signed the “Shenzhen Internet + Smart Water Strategic Cooperation Agreement†with Shenzhen Water and Huawei in July this year. Subsequently, the three parties actively carried out NB-IoT technology around the smart water sector. Exploration and business testing, investing a large amount of resources to conduct research based on networking, interference, power allocation, and frequency setting on the existing 800M spectrum. In order to ensure the actual deployment requirements of the IoT application scenario, the scope of the pilot test goes deep into the actual service scenarios such as the basement, the building gap, and the sewer. The NB-IoT service can still operate normally in the scenario of poor network coverage. In order to accelerate the development of the industrial chain, Shenzhen Water and Ningbo Water Meter Factory are actively developing smart water meters based on standard NB-IoT, which will be put into use in the first half of November to support the commercial scale of Shenzhen Water Standard NB-IoT intelligent meter reading business at the end of the year. . NB-IoT is the biggest hotspot in the current communication industry. It has low power consumption, wide coverage, low cost, large capacity and other features. It is widely used in public utilities such as meter reading, pipeline inspection, environmental protection, and forest. Fire protection, etc., this technology can promote operators to cooperate with more industries to benefit the people's livelihood. With the Internet of Everything, coverage is the most important factor. China Telecom has been approved for the 800M LTE low-frequency spectrum this year, which brings additional spectrum coverage advantages based on the wide coverage technology of NB-IoT. At present, China Telecom has fully launched the 800M LTE site construction. It is expected that the national low-frequency LTE seamless coverage will be realized in the first half of the year, and the NB-IoT service will be fully commercialized. Guangdong Telecom has been adhering to the concept of innovation. In the research of the Internet of Things, it is actively carrying out technical maturity verification. It is expected that the meter reading based on NB-IoT technology will be realized in the SAR at the end of the year, and further cooperation with Sham Shui Po will be carried out on water quality and water pressure detection and pipe network. Leakage monitoring, fire hydrant testing and other projects will expand the scope of the NB-IoT pilot to the province. The opening of the standardized NB-IoT network has become an important milestone in the innovation research cooperation between the two parties.
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