Title :
Partial transmit sequence arid selected mapping schemes to reduce ICI in OFDM systems
Author :
Sathananthan, K. ; Tellambura, C.
Author_Institution :
SCSSE/FIT, Monash Univ., Clayton, Vic., Australia
Abstract :
Orthogonal frequency division multiplexing (OFDM) is sensitive to the carrier frequency offset (CFO). We introduce the peak interference-to-carrier ratio (PICR) to measure the resulting intercarrier interference (ICI). This paper shows that PICR can be reduced by selected mapping (SLM) and partial transmit sequence (PTS) approaches. These schemes are analyzed theoretically and their performances are evaluated by simulation.
Keywords :
OFDM modulation; digital simulation; interference suppression; radiofrequency interference; BER; ICI reduction; OFDM signaling; OFDM systems; carrier frequency offset; intercarrier interference; mapping schemes; multipath delay spread; orthogonal frequency division multiplexing; partial transmit sequence; peak interference-to-carrier ratio; performance evaluation; radio channel; AWGN; Discrete Fourier transforms; Frequency division multiplexing; Interference; OFDM; Partial transmit sequences; Peak to average power ratio; Performance analysis; Performance evaluation; Transmitters;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2002.802067
