OFDM+CDMA的英文PPT，写的很不错 -OFDM+ CDMA English PPT, written by very good

TDS-CDMA基本原理概述京信通信培训材料 行业介绍-TDS-CDMA Comba Telecom outlined the basic principles of training materials for industry, introduced the

CDMA (OFDM-CDMA), offers several key advantages such as immunity against narrowband interference and robustness in frequency-selective fading channels[2]. Such desirable properties make MC-CDMA an attractive choice for the present and future radio-co

these peak-reducing signals are built by using spreading codes that are either dynamically selected those users that are known to be idle, or deliberately reserved a priorifor PAPR reduction purposes. The concept of adding orthogonal signals for peak