diversity gain的用法和样例：
例句
- In this paper, the multiuser diversity gain based on two representative limited channel feedback is investigated, and it is compared with ideal feedback.
该文主要研究了基于两种典型的有限信道反馈的多用户分集增益，并与理想反馈进行了对比。 - Through the analysis and simulation of the BER, we demonstrate that the scheme can still achieve cooperative diversity in an asynchronous condition.
误码率分析和系统仿真结果表明，该方案在异步情况下仍可获得协作的分集增益。
