“任何时间、任何地点、任何事物”——无线通信正在向这一目标不断迈进。然而仍然需要克服很多障碍。“任何时间”需要系统有无穷无尽的能量资源,“任何地点”需要系统能够在大量不同环境下有效运行,“任何事物”意味着服务质量要得到严格保证。 “Anytime, anywhere, anything ” - wireless communications are moving toward this goal. However, many obstacles still need to be overcome. “Anytime ” requires a system with an endless amount of energy resources. “Anywhere ” requires the system to operate effectively in a large number of different environments. “Anything” means that the quality of service is strictly guaranteed.