正交频分复用接入(OFDMA)具有传输速率高，带宽分配灵活等特点。
Orthogonal Frequency Division Multiplex Access (OFDMA) is widely used for its characteristics of high data transmission rate and the flexibility of bandwidth allocation.
采用遗传算法搜索子载波最优分配方案，对多用户正交频分复用多址接入(OFDMA)系统资源分配问题进行了研究，提出了一种多载波比例公平调度算法G - PFS。
Focusing on the resource allocation problem in multi-user orthogonal frequency division multiple access (OFDMA) systems, a multi-carrier proportional fair scheduling algorithm, G-PFS, is proposed.
调制方式和多址接入的灵活性是正交频分复用（OFDM）技术的一大优点。
One of the advantages of OFDM is the flexibility concerning modulation and multiple access techniques.
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)。
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)。
Two multiple access techniques are analyzed in the context of this paper: Orthogonal frequency division multiplexing (OFDM) and code division multiple access (CDMA).
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