FIELD: information technology.
SUBSTANCE: pilot arrangement method in a mobile radio communication system by which, in order to avoid the problem of poor CQI accuracy affecting the scheduling of channel arrangement, causing deterioration of throughput, a working frequency band is divided into a plurality of predetermined bands and time division multiplexing is performed. A known pilot symbol is inserted into the predetermined frequency bands at predetermined reference intervals. Furthermore, the known pilot symbol is inserted into at least one of the predetermined frequency bands at smaller intervals than the predetermined reference intervals and arranged.
EFFECT: high accuracy of estimating interference power.
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