提出一种新的虚拟导频辅助信道估计(PPACE)算法,可适用于多带正交频分复用超宽带系统(MB-OFDM UWB).该方法具有低的实现复杂度,且能有效地抵抗多径信道带来的符号间干扰 .
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Absrtact: MB-OFDM UWB and MIMO wireless communication technologies are currently popular technologies in the wireless communication field.
摘要：MB—OFDM UWB无线通信技术和MIMO技术是目前无线通信领域中的热门技术。
The MB-OFDM UWB systems can capture multi-path energy more efficiently than DS-UWB. Much work has been done on the channel estimation of traditional narrow-band OFDM.
与直接序列扩频的方案相比，基于多频带OFDM的UWB系统能更有效地捕获多径能量。
Aiming at the performance characteristics of MB-OFDM UWB, the formula for coding gain and diversity gain is worked out based on pairwise error probability of theoretical analyzing system.
针对MB - OFDM UWB系统的性能特征，基于理论分析系统的成对错误概率，获知编码增益和分集增益的计算公式，从而得到空时频编码方案的设计准则。
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