
On May 13, 2025, Huawei and the International Telecommunication Union (ITU), with the support of China Mobile Group Design Institute, China Telecom, China Unicom, and Alibaba Cloud, jointly released the White Paper on the Safety of Lithium-ion Battery Applications in Data Centres (referred to as the White Paper) at the Global Data Center Facility Summit 2025. [pdf]

Recently, multiple energy storage battery and material projects have announced updated progress: CATL's 80 GWh project has entered steel structure construction, Shenzhen Pengcheng Infinite New Energy Co., Ltd. launched the building of a 27 GWh energy storage cell base, 3d (Longyan) Battery Technology Co., Ltd.'s 1 GWh solid-state lithium battery project officially broke ground, and Tianmulake Excellent Anode Materials Co., Ltd.'s lithium battery material project was signed and finalized. [pdf]

shortwave communication Compared with satellite communications, terrestrial microwave and other means of communication, shortwave communication has many significant advantages: Shortwave communication does not require the establishment of relay stations to achieve long- distance communications, low construction and maintenance costs and low operating costs. [pdf]

A base station (BTS or NodeB/eNodeB/gNodeB) is the antenna site your phone connects to.If the SMS system (SMSC or signaling network) logs show “Unknown Base Station,” it usually means:The cell ID or location area code (LAC) is missing or invalid.The base station ID isn’t mapped in the operator’s Home Location Register (HLR) or Visitor Location Register (VLR).The subscriber was roaming, and the network couldn’t resolve the roaming partner’s base station information. [pdf]
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