air access meaning in English

进气口

It has been widely applied in personal communications , mobile communications and the field of broad band wireless access , and it has also been regarded as the main air access of the third generation mobile communications , because comparing with tdma and fdma , cdma has greater system capacity , higher frequency efficiency and stronger anti - interference ability , at the same time it still has the potential of solving the conflict of limited frequency resource and limitless user request
相对于tdma ， fdma等多址技术而言，它具有系统容量大，频带利用率高，抗干扰能力强，保密性能好等优越性，同时还具有缓解有限频带与无线用户需求之间矛盾的潜力，因而在个人通信，移动通信，宽带无限接入领域都得到了广泛的应用，也被普遍认为是未来第三代移动通信的主流空中接口技术。