Method and device for muting positioning reference signal in heterogeneous communication environment and method and device for measuring position using same

A device for muting a positioning reference signal (PRS;

• Positioning Reference Signal) of a non-macro cell in a communication system including one or more macro cells and one or more non-macro cells included in the macro cells, the device comprising:
• a muting information receiving unit to receive muting information from one or more predetermined macro cells from among the macro cells or from a higher layer;
• a PRS muting resource area determining unit to determine, based on the muting information, a time-frequency resource area where a predetermined macro cell transmits a PRS as a muting target resource element (RE;
• Resource Element);
• and
• a muting unit to allocate a resource so as not to allocate data or to perform zero-power transmission with respect to the muting target RE.

A positioning method for a positioning device that receives a positioning reference signal (PRS;

• Positioning Reference Signal) and measures a position in a communication system including one or more macro cells and one or more non-macro cells included in the macro cells, the method for the positioning device comprising:
• receiving a signal generated through allocation of a PRS sequence, from one or more predetermined macro cells from among the macro cells, and receiving, from the non-macro cell, an entire pattern of a resource area to which a PRS sequence of the predetermined macro cell is allocated or a signal generated through selective muting of the resource area;
• demodulating the received signal;
• extracting a PRS sequence of the predetermined macro cell from the demodulated signal;
• and
• estimating positional information using the extracted PRS sequence.

A positioning device for receiving a positioning reference signal (PRS;

• Positioning Reference Signal) and measuring a position in a communication system including one or more macro cells and one or more non-macro cells included in the macro cells, the device comprising:
• a reception processor to receive a signal generated through allocation of a PRS sequence, from one or more predetermined cells from among the macro cells, and to receive, from the non-macro cell, an entire pattern of a resource area to which a PRS sequence of the predetermined macro cell is allocated or a signal generated through selective muting of the resource area;
• a PRS sequence extracting unit to perform demapping of information allocated to each resource element of the received signal, and to extract a PRS sequence of the predetermined macro cell that transmits the corresponding signal;
• and
• a positioning unit to estimate positional information using the one or more extracted PRS sequences.