Chapter 5 focuses on the primary research of OFDM-CDMA system and discusses the realization of three type OFDM-CDMA systems based on the Software Radio platform.
第五章针对OFDM—CDMA系统进行了初步研究，在软件无线电平台上探讨三种OFDM—CD MA系统的实现。
It combines the advantages of OFDM and CDMA, and its capability of combating ISI is obviously better than that of a single-carrier CDMA for the high data rate transmission.
它结合了OFDM和CDMA的优点，在高速数据传输时，其抗符号间干扰的性能明显优于传统的单载波cdma系统。
For the high Peak-to-Average Power Ratio (PAPR) problem existing in OFDM based MC-CDMA system uplink, this paper proposes a new system scheme as a solution to PAPR.
针对MC - CDMA系统的上行链路存在的峰均功率比问题，提出了一种降低峰均功率比的新的系统解决方案。
This thesis is mainly focused on the performance of OFDM and MC-CDMA architectures in the High Speed Power Line Communications.
本文主要对OFDM系统和MC - CD MA系统在高速电力线通信中性能进行了研究和比较。
Next, the system structure of OFDM and multi-carrier system are discussed, followed by the pilot based channel estimation for the multi-carrier CDMA systems.
接着，本论文对OFDM和多载波cdma的系统结构进行了讨论，对多载波cdma系统中的导频信道估计技术进行了深入研究。
Two multiple access techniques are analyzed in the context of this paper: Orthogonal frequency division multiplexing (OFDM) and code division multiple access (CDMA).
介绍了无线接入网中的两种关键技术：OFDM(正交频分复用)和CD MA(码分多址)。
This thesis established a model for the design and simulation of MC-CDMA system on the basis of OFDM system, it also provided useful reference project and data for system realization.
本文的研究是在讨论OFDM的基础上建立起一个MC - CD MA的设计、仿真模型，为系统的实现提供了有用的参考方案和数据。
A multicarrier CDMA system combines the advantages of an orthogonal frequency division multiplexing (OFDM) scheme with those of a CDMA scheme.
多载波CDMA系统结合了正交频分复用（OFDM）技术和CDMA技术的优点，自1993年提出以来就受到了广泛的重视。
A multicarrier CDMA system combines the advantages of an orthogonal frequency division multiplexing (OFDM) scheme with those of a CDMA scheme.
多载波CDMA系统结合了正交频分复用（OFDM）技术和CDMA技术的优点，自1993年提出以来就受到了广泛的重视。
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