
China's first large-scale photovoltaic (PV) technology demonstration and validation base in deserts, including the Gobi and other arid areas, started operations on Friday in Otog Front Banner in the city of Ordos, north China's Inner Mongolia Autonomous Region, promoting the high-quality development of the country's PV industry, according to the State Power Investment Corporation. [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]

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 communication base station, wind-solar complementary technology, applied in the field of new energy communication, can solve the problems of inability to utilize wind energy to a greater extent, inconvenience, control of fan blades, etc., so as to improve the utilization rate of wind energy, reduce the probability of damage, and increase the contact area. [pdf]
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