METHOD FOR ARRANGING CREST FACTOR REDUCTION DEVICE OF DISTRIBUTED ANTENNA SYSTEM

摘要

The present invention relates to a method which can dispose crest factor reduction (CFR) disposition at an optimal location according to each topology form or a design method in a distributed antenna system. A distributed antenna system according to an embodiment of a technical idea of the present invention comprises: a plurality of head-end units each of which receives a mobile communication signal from at least one corresponding base station; a hub unit which is communicatively connected to the head-end units; and a plurality of remote units which are communicatively connected to the hub unit. The hub unit distributes mobile communication signals, received from the individual head-end units, to the remote units. Each of the remote units is remotely disposed, and transmits a mobile communication signal distributed to a terminal within service coverage thereof. The hub unit includes a mixing processing stage which processes digital mixing for the mobile communication signals received from the individual head-end units, and a crest factor reduction (CFR) module which is disposed at a rear end of the mixing processing stage in a signal transmission direction.