The pioneer of wireless ad hoc network technology-AdHoc network first appeared in the 1970s, mainly used for military communications. AdHoc network is a special wireless communication network, which can be quickly and automatically networked without relying on any pre-built network facilities, and h Read More

In an emergency situation, communication is critical to the safety of first-aid personnel and the effective execution of emergency plans. However, in an emergency, the communication facilities are likely to be damaged:1. Extreme weather, such as the 2015 New Zealand Hunter District flood, may have a Read More

With the continuous development of the hotel format, the hotel management also puts forward new requirements for communication within the hotel, requiring no blind spots, no interference, and clear voice. The hotel's welcome, reception, rooms, catering, security, and logistics can all Communicate an Read More

After the Liangshan forest fire, the Sichuan Fire Rescue Corps immediately started the emergency communication cross-region linkage guarantee mechanism, flexibly applied the four dispatch modes of nearby, orchestration, laddering, and precision. The fighters, as well as 11 dynamic (static) Zhongtong Read More

The construction of the urban emergency prevention and control center's health emergency information communication guarantee system has realized the exchange of information between different provincial and municipal health emergency command centers, and played an important role in responding to publ Read More

Emergency command agencies usually cannot use public network communications for security reasons. Even if a public network is selected, public network communications that were originally available may become unavailable due to disasters and other reasons, and cannot be planned and accurately predict Read More

Industry informatization construction and digital transformation have always been one of the important driving forces for the development of information and communication enterprises. It is the development goal of ICT to continuously inspire the needs, interests, and motivations of digital transform Read More

1 Basic composition and characteristics of 4G mobile communication technology(1) 4G communication technology. The address method used by 4G LTE communication technology is Orthogonal Frequency Division Multiplexing Multiple Websites, which divides the channel for a given frequency domain and turns i Read More

Around 7:15 pm on March 7, the Xinjia Hotel in Quanzhou, Fujian, China collapsed suddenly. After the collapse accident, the emergency management department immediately started an emergency response, dispatched a fire rescue team to the scene to carry out rescue, and dispatched and guided the local a Read More