DFT-S-OFDM之所以被称为单载波OFDM是与它前面对数据块做DFT变换的点数N和进行OFDM调制的IFFT/FFT点数M有关,一般N<M;当N=M时,信号直接调制到子载波上,FFT和IFFT作用互相抵消,信号就直接在时域上进行传输;当N<M时,经过DFT变换,在IFFT处理之前,每个子载波上的数据己不再是独立的源数据,而是各个源数据的叠加,相...
网络多址 网络释义 1. 多址 ...LTE上行链路中采用离散傅立叶变换扩频的正交频分多址(DFT-SOFDMA)技术. 本文首先简要介绍了DFT-SOFDMA技术的原 … www.docin.com|基于 1 个网页
触发帧是WIFI里的概念？但是上行DFT-S-OFDM是在LTE吧？NR里改成OFDMA，应该是为了支持更多的设备同时...
Nx-SCFDMA和clusteredDFT-S—OFDMA方案研究
DFTS-OFDMA 来自 dbpia.co.kr 喜欢 0 阅读量: 89 作者:신동렬,왕진수,김윤희 摘要: (multiple input multiple output: MIMO) . LTE (long term evolution) SC-FDMA (single carrier frequency division multiple access) DFTS-OFDMA(discrete Fourier transform spread orthogonal FDMA) . DFT...
Renfors, MarkkuSpringer International PublishingEurasip Journal on Advances in Signal ProcessingAri Viholainen, Tero Ihalainen, Mika Rinne, and Markku Renfors, "Localized mode DFT-S-OFDMA implementation using frequency and time domain interpolation," EURASIP Journal on Advances in Signal Processing, ...
rate (BLER) performance of a posteriori log-likelihood ratio (LLR) computation methods at the output of a frequency domain equalizer (FDE) with antenna diversity reception using a low-rate turbo code for discrete Fourier transform (DFT)-precoded orthogonal frequency division multiple access (OFDMA)...
2) DFT-SOFDMA 离散傅立叶变换扩频的正交频分多址3) 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 ...
离散傅里叶变换扩频正交频分复用(DFT-S-OFDM)作为一种单载波调制方案,与传统正交频分复用相比具有较小的峰均功率比,并且已被3GPP采用作为其长期演进项目(LTE)的上行调制方案。 4) DFT-SOFDM 离散傅里叶变换扩展正交频分复用 5) DFT-S-OFDM 基于傅立叶变换扩展的正交频分复用 ...
2) DFT-SOFDMA 离散傅立叶变换扩频的正交频分多址3) 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 ...