However, due to the transmission characteristics of wireless channel and high-bandwidth nature of OFDM system itself channel estimation is a very important part in OFDM system which determining the system performance.
但是,由于无线信道的传输特性以及OFDM系统本身的高带宽的性质,信道估计技术成为OFDM系统中非常重要的一个环节。
参考来源 - 基于导频的OFDM信道估计算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Mobile technologies such as EVDO and HSPA provide wide area coverage with consistent bandwidth guaran - tees; while technologies like WiFi provide high band - width and low latency.
诸如EVDO和HSPA这样的移动技术能够利用协调的有保证的带宽提供宽的覆盖范围；而想WIFI这样的技术提供高的带宽和低的等待时间。
While technologies like WiFi provide high band - width and low latency.
而想WIFI这样的技术提供高的带宽和低的等待时间。
Yet its band width requirement seems a little high.
但是，其占用的带宽似乎稍微高了一点。
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