中文说明：中继系统由于可以扩展小区覆盖范围，改善小区边缘用户吞吐量，而成本低，得到了越来越广泛的重视。本文件仿真了中继系统中的可获速率。
English Description：
Relay system has been paid more and more attention because it can expand cell coverage and improve the throughput of cell edge users with low cost. This document simulates the available rate in the relay system.