2) orthogonal frequency division multiplexing code division multiple access
正交频分复用码分多址
1.
Focused on the problem that orthogonal frequency division multiplexing code division multiple access(OFDM-CDMA) signal has a large peak-to-average power ratio(PAPR), the model of OFDM-CDMA signal was analyzed firstly and then the theoretical expression of the PAPR cumulative distribution probability of the ideal signal was proposed.
针对正交频分复用码分多址(OFDM CDMA)信号的峰均功率比值(PAPR)较大的问题,从分析OFDM CDMA信号模型入手,提出了在理想情况下信号PAPR的累积分布概率表达式,指出了信号PAPR的累积分布概率与PAPR门限值之间存在负指数关系,为深入分析影响PAPR特性的因素提供了参考标准。
3) Wave Division Multiple/ Optical Code Division Multiple Access
波分复用/光码分多址
4) TDD-CDMA
时分复用码分多址
1.
For TDD-CDMA system, utilized the reciprocity of the channel uplink and downlink, the speed of available data and the system capacity can be improved for the downlink of TDD system, the channel estimation and the data detection can also be avoided, the complexity and the cost of mobile station can be reduced.
对于时分复用码分多址(TDD-CDMA)移动通信系统,利用其时分双工(TDD)模式上下行信道的互惠性,在基站端采用面向接收的技术,可以提高TDD系统下行链路的有用数据速率,提高系统容量,同时避免在移动台做复杂的信道估计和数据检测,并且能够有效降低移动台的复杂度和成本。
5) OFDM-CDMA
正交频分多路复用-码分多址
6) hybrid WDM/OCDMA system
波分复用/光码分多址混合系统
补充资料：码分多路通信
见多路通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条