宽带无线通信系统的发展面临频谱资源有限、传输环境复杂等挑战，而高性能信道编码等物理层关键技术可以有效应对宽带无线通信系统的传输速率与传输质量需求-Development of broadband wireless communication systems faced limited spectrum resources, environment, transport and complex challenges, and high-performance physical layer chan