Even so, it performed an important function in bridging the hole amongst 2G plus more Sophisticated 3G and 4G technologies.In place of relying exclusively on a single provider for all delivery demands, firms decide to interact multiple carriers, encompassing each national and regional possibilities, to move their cargo. The Mechanics of Multi-copyr

系统容量 ：在保证通信质量的前提下，功率控制算法能够支持的用户数量和数据传输速率。DSSS is Immediate Sequence Spread Spectrum Technique which can be a spread spectrum system in which the data to be transmitted is encoded working with spreading code and been given after which you can decoded utilizing the simila