设计一完整的移动通信系统物理层传输方案

(WiMAX场景)：

试设计一完整的移动通信系统物理层传输方案并用MATLAB程序实现，要求满足以下指标：

1. 数据速率：5km/hr的移动速度下可实现60Mbps，同时在120km/hr的移动速度下可实现10Mbps，且Eb/No小于20dB时可实现误比特率Pe <= 10-4

2. 信号带宽为20MHz，工作在2GHz频带

3. 信道模型: COST207模型的6径瑞利信道(可参考程序 multipath_code.zip)

请给出以下结果：

A．收发机结构框图，主要参数设定；

B．

误比特率仿真曲线。(考虑非理想同步和信道估计)；-Design a complete system for mobile communications physical layer transmission scheme (WiMAX scene): try to design a complete system for mobile communications and physical layer transmission scheme to achieve with the MATLAB program, requires the following indicators: 1. Data rate: 5km/hr mobile speed can achieve 60Mbps, while the movement in the 120km/hr speed can achieve 10Mbps, and Eb/No less than 20dB can be achieved when the bit error rate Pe < = 10-4 2. signal bandwidth of 20MHz, the work in the 2GHz band 3. channel Model: COST207 model 6 path Rayleigh channel (refer to program multipath_code.zip) Please give the following results: A. Transceiver block diagram, the main parameter settings　B. BER simulation curves. (Taking into account non-ideal synchronization and channel estimation)