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

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

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

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

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

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

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

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

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