Apparatus and method for removing DC offset in wireless communication system

摘要

An apparatus and method for removing a Direct Current (DC) offset at a receiving terminal in a wireless communication system are provided. In the method, a frame is divided into at least two time resource blocks. Resource allocation information is used to discriminate between at least one time resource block of a data-unmapped interval and at least one time resource block of a data-mapped interval. The DC offset is measured during the data-unmapped interval. The DC offset is compensated during the data-unmapped interval on a time resource block basis by using the measured DC offset.

主权项

1. A method for operating a terminal in a wireless communication system, the method comprising:
receiving resource allocation information in a downlink frame; identifying at least one data-unmapped interval within the downlink frame based on the resource allocation information; estimating a direct current (DC) offset during the at least one data-unmapped interval; and compensating the DC offset during the downlink frame, wherein the compensating of the DC offset comprises compensating the DC offset by using a high-pass filter (HPF) and a low-pass filter (LPF).