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。
In order to coordinate the inter-cell interference, a multicell adaptive power allocation scheme was proposed for downlink orthogonal frequency division multiple access ( OFDMA ) cellular systems. 提出了一种用于小区间干扰协调的多小区自适应功率分配算法。
Frequency division multiple access / single channel per carrier 频分多址/单路载波
A synchronization tracking method is given for uplink orthogonal frequency division multiple access ( OFDMA ) systems. 为了解决上行正交频分多址系统中频率偏差导致多用户干扰和载波间干扰的问题,提出了一种载波同步跟踪方法。
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。