1) OFDMA
正交频分多址
1.
Introduces the principle of Orthogonal Frequency Division Multiple Access (OFDMA) technology Discusses key technologies about OFDMA used in IEEE 802 16a The results indicate that OFDMA is an optimal solution for 2nd generation Broadband Wireless Access (BWA) network
介绍了正交频分多址 (OFDMA)技术的原理 ,着重讨论了OFDMA应用在 80 2 16a中时使用的关键技术 ,分析结果表明OFDMA是第二代宽带无线接入 (BWA)网络的最佳选择。
2.
A cross-layer packet scheduling algorithm is proposed for multi-user MIMO-OFDMA systems with the mixed services, such as Real-Time (RT) and Non-Real-Time (NRT) services.
该文提出了一种针对多输入多输出-正交频分多址系统混合业务的跨层分组调度算法。
3.
In 1×3×1 OFDMA cellular system,in order to improve the overall system throughput,a modified algorithm is put forward.
在三扇区单频小区的正交频分多址(Orthogonal Frequency Division Multiple Access,简称OFDMA)蜂窝系统中,为了改善系统的吞吐量,提出了改进的调度算法。
2) orthogonal frequency division multiple access
正交频分多址
1.
Focusing on the problem that traditional resource allocation algorithms result in low spectrum efficiency,an adaptive sub-carrier allocation algorithm was proposed for orthogonal frequency division multiple access systems with minimum transmission rate request.
针对用户有最低传输速率要求的正交频分多址系统中,传统资源分配算法频谱利用率低的问题,提出了一种自适应载波分配算法。
2.
A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.
提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。
3.
A multicell adaptive resource allocation(MARA) scheme was proposed for downlink orthogonal frequency division multiple access(OFDMA) cellular system.
提出了一种用于正交频分多址通信系统下行链路的多小区自适应资源分配算法(MARA)。
3) orthogonal frequency division multiple access (OFDMA)
正交频分多址
1.
Built upon OFDM, Orthogonal Frequency Division Multiple Access (OFDMA) is a new wireless access technique.
以OFDM调制为基础的正交频分多址(OFDMA)是新一代的无线接入技术,它将接入和调制有效地结合在了一起,已经成为未来移动通信系统的重要技术之一。
4) orthogonal frequency division multiple access spatial division multiple access
正交频分多址-空分多址
1.
The resource allocation model for downlink multi-user power communication orthogonal frequency division multiple access spatial division multiple access(OFDMA-SDMA) system is studied with the restrictions of requirement bit number for each user and power upper limit as well as specifically bit number for every subchannel in every orthogonal frequency division multiple(OFDM) symbol.
研究了电力通信正交频分多址-空分多址(OFDMA-SDMA)系统在每正交频分复用(OFDM)符号内各用户要求在比特数、各子信道功率上限和特定比特数约束下的多用户在其下行链路中的资源分配模型。
5) orthogonal frequency division multiple access (OFDMA)
正交频分多址(OFDMA)
1.
However, improving spectral efficiency, as well as enhancing performance for CEU, is still left for an open research issue, especially for Orthogonal Frequency Division Multiple Access (OFDMA)-based 4 th generation (4G) systems.
在以正交频分多址(OFDMA)为基本多址方式的第4代(4G)系统中该问题尤为突出。
6) 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。
补充资料：频分多路通信
见多路通信、有线载波通信。
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