Patent ID: 8295781
Filing Date: 2012-10-23
Classification: H03H,H04L

Abstract:
1. A transmitter unit for a wireless communication system, the transmitter unit comprising a multistage channel filter module for performing channel filtering on an input signal having a sampling rate corresponding to a channel bandwidth of the wireless communication system by performing a sampling-rate conversion through multiple stages, wherein the multistage channel filter module comprises: at least one decimator for down sampling the input signal according to the channel bandwidth; at least one zero-padder for interpolating the down-sampled signal according to the channel bandwidth; and at least one channel filter for channel-filtering the down-sampled signal or the interpolated signal; wherein the transmitter unit further comprising a channel filter adjuster for changing a number and arrangement of the at least one decimator, the at least one zero-padder, and the at least one channel filter according to the channel bandwidth.