Complex application scenarios: large commercial plazas, including office buildings + lifts + large shopping centres + underground car parks

Case Details:：

A new commercial centre in Guangdong, China, with 4 buildings, Block 1-4 is an apartment building with 29 floors and Block 5/6/7 is an office building with 22 floors;

The 1-5 floors of Block 5-7 are shopping malls; 2 lifts for each of Block 1-4, 11 lifts for Block 5, 2 lifts for Block 6, 7 lifts for Block 7, and 2 floors of car parks underneath, with a planned site area of 25,000 square metres and a total construction area of 150,000 square metres.

The new distribution system is a shared engineering distribution system covering B1F-B2F car park, 1-5 storey shopping malls, 1-7 lifts, 5-7 building signals; POI access unit is reserved for 2G/3G/4G/5G ports for the operators to plan access; scope of undertaking: POI and back-end antenna feeder system, equipment installation location of the power supply and optical cable distribution, RRU main equipment by the operator Installation and commissioning

Solution: Adopt 12-frequency POI to lead out the main line of each regional signal from the red part of the operator's mainframe, with 27.9/37.8/10/39.7dBm at each output point;

Underground garage antenna feeder system distribution schematic and construction diagram: using 4 MCPA, a total of 246 antennas; covering 2 floors of underground garage with a total of 44,700 square metres; using high-power power splitter and coupler, the power of the signal source is evenly distributed to each antenna port to ensure that all antenna ports have an output power of 5dBm-15dBm.

Feedback pictures from the construction site:

Schematic and construction drawings of the antenna feeder system in the shopping mall:

Feedback pictures from the construction site:

Antenna feeder system schematic and construction drawings for lifts (Block 5 for example):

Feedback pictures from the construction site:

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