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阐述了下一代CDMA的设计中可变增益和多码两种多速率方案的原理,对可变扩展增益方案的不同扩展因子的性能,及这两种方案的“远近问题,信道估计MSE,信干比SINR的性能进行了介绍和比较。
The principle of two kinds of multi-rate schemes with variable gain and multi-code in the design of next-generation CDMA is described. The performance of different spreading factors of variable-gain scheme and the "far-near problem, channel estimation MSE, SINR performance than dry than the introduction and comparison.