基于导频抵消的码片均衡器

Chip equalizer based on pilot cancellation

码片均衡是提高第三代移动通信系统性能的关键技术之一。为了增强码片均衡器的性能,本文提出了一种新的基于导频抵消的码片均衡器,给出了导频抵消算法及误符号率的计算公式,导出了基于导频抵消的码片均衡算法。计算机模拟结果表明基于导频抵消的码片均衡器在较低的扩频比下与码片均衡器相比均有较大的性能增益,同时运算量基本保持不变。

Chip equalization is one of the key technologies for improving the performance of the 3^rd generation mobile communication system. In order to enhance the performance of the chip equalizer, a new scheme of chip equalizer based on Pilot Cancellation is presented in this paper. Computer simulations show that the new scheme effectively improves the performance of the receiver.