波分多址,WDMA
1)WDMA波分多址
1.WDMA Broadband Access System and Its Performance Test at Optical-channel Layer;波分多址宽带接入系统及其光通道性能测试
2.Broadband access system ofWDMA and its optical performance test波分多址宽带接入系统及其光性能测试
3.This paper discussed both implementations of the 10G Ethernet-based Passive Optical Network (EPON) based on (Time Division Multiple Access) TDMA and (Waveform Division Multiple Access)WDMA in the upstream, provided the protocol stacks and detailed schemes of both implementations.本文探讨了万兆以太网无源光网络(10GEPON)的不同实现方法:上行分别基于时分多址或者波分多址,对上行采用波分多址(WDMA)接入的实现方法进行了更为详细的研究。
英文短句/例句
1.Broadband access system of WDMA and its optical performance test波分多址宽带接入系统及其光性能测试
2.frequency division multiple access/single channel per carrier频分多址/单路载波
3.Research on Multi-carrier Code Division Multiple Access Wireless Communication Technologies;无线通信中多载波码分多址技术研究
4.Multiuser Detection Based on Wavelet Transform in Direct Sequence CDMA Systems码分多址系统中基于小波变换的多用户检测
5.The Research on Optical Access Technology Based on WDM and OCDMA;基于波分复用及光码分多址的光接入技术研究
6.Partial Random Opportunistic SDMA with Beam Selection基于部分随机波束选择的机会式空分多址技术
7.The study of FH/MCFD/SSMA wireless communication systems跳频/多载波频率分集/扩频多址无线通信系统的研究
8.Construction of Interference-Resistant Sequences for Multi-Carrier CDMA Communication Systems多载波码分多址通信系统中抑制干扰的序列设计
9.Performance analysis of an improved SDMA technique based on CDMA一种基于码分多址的改进性空分多址性能分析
10.MADA (Multiple -Access Discrete Address System)多路存取分立地址系统
11.preassigned multiple access satellite system预分多址联接卫星系统
12.frequency hopping code division multiple access demodulator跳频码分多址解调器
13.Carrier Sense Multiple Access with Collision Detection载波传感多址冲突检测协议
14.CDMA( Code Division Multiple Access)码分多址(一种扩频多址数字式通信技术)
15.Adaptive Anti-interference Algorithm for CDMA Systems码分多址系统自适应多址干扰抑制算法
16.A Studey on Mitigation of Multiple Access Interference in Optical Code Division Multiple Access Communication Systems;光码分多址系统中多址干扰消除的研究
17.Study of Ultra-wideband for Multi-access System Based on Multi-chirp Waveform基于多啁啾波形的超宽带多址系统的研究
18.Capacity of CDMA and FDMA for Multi-beam GEO Satellite Communications多波束GEO卫星通信中CDMA与FDMA的多址容量
相关短句/例句
wavelength division multiple access波分多址
1.Architecture of 10 Gbit/s Ethernet passive optical network(EPON) based onwavelength division multiple access(WDMA) using 10 Gbit/s broadcast in the downstream and 1 Gbit/s WDMA in the upstream is proposed,in which point-to-multipoint in downstream and point-to-point in upstream was adopted.提出了一种下行采用10 Gbit/s广播,上行采用1 Gbit/s波分多址的万兆以太无源光网络体系结构,该结构实际上下行为点对多点,上行为点对点。
3)wavelength division multiple-access(WDMA)波分多址(WDMA)
4)MC-CDMA多载波码分多址
1.Study on the Modulator ofMC-CDMA System;多载波码分多址系统调制器研究
2.Direct Decoding for Space-Time Block CodedMC-CDMA Systems;空时分组编码多载波码分多址系统的直接解码
3.A particle swarm optimization(PSO) based multiuser detection(MUD) is proposed for the receive-diversity-aided multi-carrier code-division multiple-access(MC-CDMA) systems in frequency-selective fading channel.提出了一种频率选择性信道下使用多天线分集接收的多载波码分多址(MC-CDMA)系统中基于粒子群算法(PSO)的多用户检测(MUD)。
5)multicarrier code division multiple access多载波码分多址
1.In view of this situation, an uplink space-time channel blind estimation algorithm is proposed for space-time codedmulticarrier code division multiple access systems with uniform linear array at the base station in macrocell.针对当前空时编码系统利用训练序列求解信道信息将导致频谱资源浪费和系统用户容量下降这一问题,提出了宏蜂窝体制下基站使用均匀线阵空时编码多载波码分多址系统的上行空时信道盲估计算法。
2.The uniform linear array (ULA) is investigated at the base station of macrocell synchronousmulticarrier code division multiple access (MC CDMA) systems in a frequency selective fading channel environment.把均匀线阵应用于宏蜂窝制同步多载波码分多址系统的基站 。
6)Multicarrier CDMA多载波码分多址
1.In multicarrier CDMA systems,the fixed subchannel allocation cannot update with the channel variety,so it degrades the system performance; and the fixed assignment of spreading sequence reduces the system soft capacity.针对多载波码分多址系统中固定的子信道分配方案不能依据信道变化进行调整 ,而固定的扩频码分配又降低了系统的软容量等问题 ,本文在上行链路盲信道估计的基础上 ,提出下行链路联合特征码与子信道动态分配方案 。
延伸阅读
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