1)MC-CDMA多载波码分多址
1.Study on the Modulator of MC-CDMA System;多载波码分多址系统调制器研究
2.Direct Decoding for Space-Time Block Coded MC-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)。
英文短句/例句
1.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
2.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
3.frequency division multiple access/single channel per carrier频分多址/单路载波
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.Spreading Code Design and Subcarrier Allocation Technologies Research for Multi-Carrier CDMA Systems;多载波CDMA系统扩频码及载波分配技术研究
6.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
7.frequency hopping code division multiple access demodulator跳频码分多址解调器
8.Application Space-Time Coding in MC-MC-CDMA System应用空时编码的多码多载波CDMA系统
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.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
11.General specification of satellite communication earth station for shipborne communication equipment for CDMAGB/T15869-1995卫星通信船载地球站码分多址通信设备通用技术条件
12.The Optical CDMA System with Encoder/Decoder Based on Fiber Bragg Gratings;基于FBG编解码器的光码分多址系统
13.The Bit Error Performance Analysis of Two Dimension Optical Code-division Multiple Access Systems;二维光码分多址系统误码率影响研究
14.Research of Space-time Block Code and Multi-carrier Transmission Technology;空时分组编码与多载波传输技术的研究
15.An Orthogonal Frequency Compound-Coding Spread Spectrum System and its Performance Analysis一种正交多载波编码扩谱系统及其性能分析
16.CDMA( Code Division Multiple Access)码分多址(一种扩频多址数字式通信技术)
17.Adaptive Anti-interference Algorithm for CDMA Systems码分多址系统自适应多址干扰抑制算法
18.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
相关短句/例句
multi-carrier code division multiple access多载波码分多址
1.A QR decomposition based and a minimum mean square error (MMSE) based successive interference cancel-lation receiver algorithms were proposed for the uplink of space-time block coded multi-carrier code division multiple access (MC-CDMA) systems.针对空时分组编码多载波码分多址系统的上行物理链路,提出了基于QR分解和基于最小均方误差的逐级干扰对消接收机算法。
2.The original signal is spreaded in time and frequency domain simultaneously in the two Dimensional Spread Spectrum (2DSS) technology, which is the extension of traditional Direct Sequence Spread Spectrum (DSSS) and Multi-Carrier Code Division Multiple Access (MC-CDMA).而近年来出现的分别在时域、频域上对原始信号进行频谱扩展的二维扩频(2DSS)通信，是对传统的一维时域直接序列扩频(DSSS)和多载波码分多址(MC-CDMA)扩频的推广。
3.Multi-carrier code division multiple access (MC-CDMA) technology is a kind of combination of OFDM and CDMA technology.多载波码分多址(MC-CDMA)技术是正交频分复用(OFDM)技术与码分多址(CDMA)技术相结合方案中的一种技术,该技术将OFDM技术应用到CDMA系统中,降低了CDMA系统的数据速率,增强了处理高速数据业务的能力。
3)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 。
4)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 coded multicarrier 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 synchronous multicarrier 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 。
5)MC-CDMA多载波码分多址(MC-CDMA)
6)MCCDMA多载波调制码分多址
延伸阅读
码分多路通信 见多路通信。
