IFLY R&D team developed a new Radio based on MANET Technology to replace traditional DMR, POC, TETRA system. This radio device would connect individual unit members through a mobile ad-hoc network (MANET)based mesh topology to relay voice and GPS data information in a secure and robust manner while retaining the mobility needed for dismounted soldier operations. This paper describes the concept, features of the Ad hoc network in details.

IFLY Assists Fire Service Successful in Exercise with Mobile ad-hoc networks Radio system. It's absolutely essential to use good and reliable communications equipment in rescue work as life or death can be decided in seconds. IFLY MANET Tactical radio is a critical communication tool to ensure effective fireground command and control, for personnel accountability, and to improve firefighter safety when operating within buildings during a fire or other emergency.

Conventional co-channel simulcast system is to set up multiple relay stations in a region, so that each relay station forms a link interconnection and keeps working at the same frequency, thereby achieving effective coverage of wireless signals in a region and ensuring that the radio terminal is in

The same frequency simulcast technology solves the problem of communication blind spots and excessive dead zones caused by same frequency interference in wireless communication, and truly realizes seamless coverage of signals and rapid expansion of wireless communication applications.1The problem of

Simulcast (simultaneous broadcasting) means multiple base stations transmitting the same voice (or data) signal on the same frequency at the same time. This means that every frequency pair – probably your existing channels – can each provide greatly extended coverage across a very wide area. The secret to Simulcast is high-stability transmitters and signal timing, structured and implemented by coverage experts to negate potential interference.

At present, the state attaches great importance to promoting the construction of urban underground corridors, and it is clearly stated in the National Thirteenth Five-Year Plan: "By 2020, construct urban comprehensive corridors of more than 8,000 kilometers, and build a number of internationally adv

With the help of next-generation radio technology and applications, autonomous high-speed trains can freely cross national and continental borders and run safely and smoothly. This scene may become a reality in the future.The World Radiocommunication Conference 2019 (WRC-19) forms a resolution to en

As a high-risk production industry, petrochemical companies face many challenges in real-time communication and management. At present, the petrochemical industry generally adopts professional wireless communication technology to facilitate fast and effective management decisions. Professional wirel

Market requirementsThe petroleum and petrochemical industries are the basic and strategic industries of China's national economic and social development, and their development and growth have received great attention from the party and the state. Information technology and communication engineering