科研之友
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摘要
This letter proposes a novel intercarrier interference (10) mitigation method for OFDM in time-varying multipath channels. By splitting an OFDM symbol into sub-symbols, 10 may be relieved but with price of increased inter-subsymbol-interference (ISI). The induced ISI is then cancelled by a linear filter with the use of null subcarriers. Simulations show that the proposed method may effectively mitigate ICI while improving OFDM with enhanced reliability against high Doppler spread.
- 出版日期2008-5
- 单位清华大学
