Secondly, a novel downlink acquisition and synchronization algorithm for IEEE 802.20 OFDMA system is proposed. The algorithm is composed of downlink frame detection and sector PN code identification.
其次，本文提出一种针对IEEE 802.20 OFDMA工作模式的下行捕获和同步算法，该算法分为下行帧头检测和扇区标识值识别两个步骤。
So an adaptive acquisition algorithm of PN codes for burst short frames is presented. The algorithm is suitable for the condition that AGC is applied before the ADC.
提出一种适合突发短帧模式的自适应伪码捕获方法，该方法可适用于A/D转换前加自动增益控制（AGC）的情况。
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