1) 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。
2) OFDM-CDMA
正交频分多路复用-码分多址
3) OFDMA
正交频分复用多址接入
1.
The clustered OFDMA can reduce the feedback without sacrificing performance too much.
机会波束成形(Opportunistic Beam forming,OBF)技术通过加大、加快信道的波动来提高多用户分集增益,将之使用在正交频分复用多址接入(OFDMA)系统中,可以使得系统的吞吐量最大化。
2.
In this paper we present a novel subcarrier allocation scheme for QoS (quality of service) guarantees in OFDMA communication system.
本文提出了一种基于正交频分复用多址接入(OFDMA)系统的具有业务质量(QoS)保证的多用户动态子载波分配策略。
4) OFDMA
正交频分复用多址
1.
The power allocation algorithm in OFDMA system has been studied in this paper.
对正交频分复用多址(OFDMA)系统中的功率分配算法进行了研究,着重研究了等功率分配、以跟踪大尺度衰落(TLSF)和跟踪大尺度干扰(TLSI)为目标的三种纯静态功率分配算法。
2.
Orthogonal Frequency Division Multiple Access (OFDMA) is an efficient multiple access scheme based on OFDM with high bandwidth efficiency, which is suit for multi-user concurrent communication.
正交频分复用多址(Orthogonal Frequency Division Multiple Access,OFDMA)是以OFDM为基础的一种高频谱效率的多址技术,适用于多用户并发通信的环境。
3.
Among a variety of key technologies in WiMAX system, the OFDMA (Orthogonal Frequency Division Multiplexing Access) technology is studied in this thesis.
本文对WiMAX物理层的关键技术OFDMA(Orthogonal Frequency Division Multiplexing Access,正交频分复用多址)进行了讨论和研究。
5) orthogonal frequency division multiple access
正交频分复用多址接入
1.
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.
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。
2.
Two downlink packet data scheduling algorithms applied to orthogonal frequency division multiple access(OFDMA) broadband wireless access systems are proposed,which are multi-carrier proportional fair(MPF) scheduler and MPF algorithm enhancing capacity.
提出了2种适用于多用户正交频分复用多址接入(OFDMA)系统的分组数据调度算法,分别是多载波正比公平(MPF)算法和增强容量的MPF算法。
6) COFDM
编码正交频分多路复用
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