Friday 2 February 2024

NTT Docomo's Cell On Wheels (COW)

Yagisawa Dam (矢木沢ダム) is a dam in the Gunma Prefecture of Japan; it supports a 240 MW hydroelectric power station. 

Between May and June, test release of water is done to check that the emergency spillway gate is working fine. On these occasions, many tourists visit to experience this. There may be mobile coverage there but there isn't capacity to support large number of people. 

To alleviate the network congestion, many Japanese networks send their Cell On Wheels' (COWs) to handle the traffic. NTT Docomo's COW is as shown above.

Another COW with mmWave radios is shown above. 

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