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Effects of Time-Variant WSSUS Channel on the Performance of OFDM Systems
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作者 ZHANGJie SULing ZHANGPing 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2004年第1期12-16,共5页
The long symbol duration makes Orthogonal Frequency Division Multiplexing (OFDM) robust against frequency-selective fading, and also makes OFDM sensitive to time-selective fading. First, this paper deduces the Inter-s... The long symbol duration makes Orthogonal Frequency Division Multiplexing (OFDM) robust against frequency-selective fading, and also makes OFDM sensitive to time-selective fading. First, this paper deduces the Inter-subCarrier Interference (ICI) caused by time-selective fading, and then analyzes in detail how time-selective fading affects the performance of OFDM system, e.g. Bit-Error Rate (BER) and the channel capacity of each subcarrier. At last, some simulation figures are given. 展开更多
关键词 OFDM time-selective fading ICI WSSUS
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