正交频分多址接入,OFDMA
orthogonal frequency division multiple access正交频分多址接入
1.By the analysis of the development of key technologies and quality of service(QoS) requirements of the real-time traffic in mobile communication systems,a simple and efficient random access scheme which is suitable for TD-orthogonal frequency division multiple access(TD-OFDMA) systems is proposed.通过对移动通信系统关键技术的发展趋势和网络实时业务服务质量(QoS)需求的分析,提出了一种适用于时分-正交频分多址接入系统(TD-OFDMA)的简单高效的随机接入方案。
2.A packet scheduling algorithm for mixed traffics was proposed in orthogonal frequency division multiple access(OFDMA) systems.提出了一种基于正交频分多址接入系统的混合业务分组调度算法。
3)orthogonal frequency division multiple access(OFDMA)正交频分多址接入
1.To solving the problem of present high-complexity resource-allocation algorithm of bit,subcarrier and power in orthogonal frequency division multiple access(OFDMA) system,a low-complexity solution was proposed.为解决正交频分多址接入(OFDMA)系统目前存在的子载波、比特和功率等资源的分配算法复杂度高的问题,提出了一种低复杂度的解决方案。
2.In order to guarantee the delay requirements of real-time traffics and achieve fairness among different users,a packet scheduling algorithm for real-time traffics was proposed in Orthogonal Frequency Division Multiple Access(OFDMA) systems.为保证实时业务的延迟要求,并兼顾不同用户间的公平性,基于正交频分多址接入系统,提出一种实时业务分组调度算法。
4)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。
5)orthogonal freguency division multiple access system正交频分多址接入系统
6)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。
延伸阅读

频分多路通信  见多路通信、有线载波通信。