METHOD FOR IDENTIFYING INTERFERENCE OF USER EQUIPMENT IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

摘要

One embodiment of the present invention discloses a method for identifying the interference of a user equipment(s) on a pico base station located within the coverage of a macro base station in a wireless communication system, and the method comprises the steps: enabling the macro base station to receive an uplink (UL) interference control request message from the pico base station; signaling a random access preamble for the UL interference control to each of a plurality of interference candidate user equipments served by the macro base station; receiving, from the pico base station, received signal strength information of the random access preamble transmitted by the plurality of interference candidate user equipments; and determining the interference of user equipment on the pico base station on the basis of the received signal strength information, wherein transmission power of the random access preamble can be set in a random access preamble-specific manner.

主权项

1. A method for identifying a User Equipment(s) (UE(s)) interfering with a pico Base Station (BS) located within the coverage of a macro BS in a wireless communication system, the method comprising:
receiving, by the macro BS, an UpLink (UL) interference control request message from the pico BS and signaling a random access preamble for UL interference control to each of a plurality of candidate interfering UEs served by the macro BS; and receiving from the pico BS information about received signal strength of the random access preambles transmitted by the plurality of candidate interfering UEs and determining a UE(s) causing UL interference to the pico BS based on the information about received signal strength, wherein transmission power of each of the random access preambles is set specifically to the random access preamble.