FIELD: radio engineering, communication.
SUBSTANCE: methods and devices for coordination of sending reference signals in a wireless network are described. The network node can select the cell identifier on the basis of measurement of adjacent cells to reduce noises. The network node can transmit information to other network node to control the transmitted resources in the protected interval so that to measure the channel characteristics.
EFFECT: communication improvement.
10 cl, 1 tbl, 9 dwg
