Patent ID: 9743401
Date: 2017-08-22
CPC Classifications: H04L,H04W

Claim:
1. A method for configuring a radio frame by a user equipment, the method comprising: receiving frame configuration information; changing a frame configuration for a specific frequency band based on the frame configuration information from a first frame configuration to a second frame configuration; and transmitting or receiving a signal using a frame configured according to the second frame configuration, wherein changing the frame configuration includes changing a nonzero-power subcarrier spacing in a frequency domain from ‘N1+1’·Δf according to the first frame configuration to ‘N2+1’·Δf according to the second frame configuration, wherein Δf is a subcarrier spacing, wherein N1 is a number of consecutive zero-power subcarriers configured between every two nonzero-power subcarriers according to the first frame configuration, and wherein N