The channel estimation algorithms for LTE downlink OFDMA system are introduced in detail.

针对LTE下行OFDMA传输系统介绍了信道估计技术。

In OFDMA systems, Inter-cell interference coordination is a promising approach to solve the problem.

在OFDMA系统中，小区间干扰协调是解决该问题的主流技术之一。

So this thesis is engaged in the research of channel estimation technology for LTE downlink OFDMA system.

因此本文将重点围绕LTE下行OFDMA系统的信道估计技术展开研究。

In OFDMA, closely spaced multiple subcarriers are assigned to different users for parallel data transmission.

在OFDMA中，相临的多个子载波被分配给不同的用户来为用户并行低速传输数据。

Link adaptation transmission is a vital technology for OFDMA system, and it has great effect on the performance.

链路自适应传输是正交频分多址系统关键技术，对提升系统性能起到关键作用。