随着科学技术的不断进步,人们在通信方面也得到了很大的改变,通过从有线到无线的改变,再从无线到更大的飞跃,人们都在不断的追求,对于现在发展中,无线通信也是表现出某些值得关注的问题,也将影响着未来的的通信发展方向。 With the continuous improvement of science and technology, people have also made great changes in communications. Through the change from wired to wireless, and then from wireless to larger leaps, people are constantly pursuing. For the current development, wireless Communication is also some of the issues that deserve attention, will also affect the future direction of the development of communications.