新一代移动通信(beyond 3G／4G)，将提供高速的数据传输速率，以支持新业

务的不断涌现。如何在有限的频谱资源上实现高速率和大容量是未来移动通信系

统的关键因素之一。-The next generation of mobile communications will be able to provide a hi曲data

transfer rate to support the continuous emergence of new business．The key challenge of

mobile communication system is how to achieve hi曲-speed and large—capacity in the

limited spectrum resource