Reliable communication method for terminal moving in large range
A communication method, wide-ranging technology, applied in the direction of communication between multiple stations, radio/induction link selection arrangement, selection device, etc., can solve the problem of not being user-oriented, etc.
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[0016] The distributed antenna system of the present invention includes N distributed antennas (A1, A2, ..., AN), does not use a cell structure, and adjusts the number of antennas and the placement density according to the coverage, user density, communication demand, etc., which can facilitate coverage Area expansion and density adjustment. The mobile terminal can communicate with N antennas at the same time, and multiple users use frequency division or time division multiplexing to avoid interference. As the mobile station moves, the signals received by each antenna change accordingly. In the physical layer, signal processing is used to select n channels (1≤n≤N) from the N received signals of N antennas for combination and signal demodulation. It avoids the process of power comparison triggering switching in the cellular system, and reduces the overhead between the physical layer and the high layer. figure 1 The signal processing method of the traditional cell structure and...
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