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1. |
Channel Delay Management with Statistical Pre-Filtering for Single Carrier Cyclic Prefix Transmissions
Wing Seng Leon; Ying-Chang Liang; Yonghong Zeng; Changlong Xu;
Vehicular Technology Conference, 2007. VTC2007-Spring. IEEE 65th
22-25 April 2007
Page(s):1766
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1770
Abstract:
We present a downlink single carrier cyclic prefix transmission method which employs directional beamforming and artificial delay for channels with dominant cluster paths. The proposed technology robustly manages the overall delay of the transmission channel for performance gain. For channels with delays larger than the cyclic prefix, the proposed method shortens the delay for IBI-free transmission. When the cyclic prefix duration exceeds that of the channel duration, the proposed technique can lengthen the effective channel delay to possibly improve the system's performance. Computer simulations are presented to verify the efficacy of the proposed transmission technology.
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