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。

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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 - CD MA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。

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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CD MA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。

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