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ofdmber.SC-FDMA中IFDMA和LFDMA两种不同子载波映射方式
- SC-FDMA中IFDMA和LFDMA两种不同子载波映射方式在不同滚降系数下的峰均比,PAPR with different roll factors in SC-FDMA system
OFDM
- OFDM的原理在matalb中实现源代码，包括FFT和IFFT,加入保护间隔，循环前缀和子载波等。-Principle of OFDM is implemented in matalb source code, including FFT and IFFT, adding guard interval, cyclic prefix and sub-carrier, etc.
PTSsubcarriers
- 采用不同子载波时，用PTS（部分传输序列）方法降低MC-CDMA信号的峰均值比。-Using different subcarriers when PTS (Partial Transmit Sequences) ways to reduce MC-CDMA signal peaks than average.
Virtual
- 系统中，信道估计——虚拟子载波信道估计的源程序！-System, channel estimation- a virtual subcarriers channel estimation of the source code!
OFDMSimulation
- OFDM —— OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术，实际上OFDM是MCM Multi-CarrierModulation，多载波调制的一种。其主要思想是：将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。此程序为ofdm仿真程序！-OFDM- OFDM (Orthogonal Frequency Division Multiplexing) that is ortho
GreedyAlgOfdm
- 利用贪婪算法对ofdm系统进行子载波和功率分配，在误码率一定的情况下，是发射端的功率最低-Greedy algorithm using ofdm system subcarrier and power allocation, bit error rate in certain circumstances, is the minimum transmitter power
ofdm
- MIMO．OFDM系统的子载波、功率和比特分配 MIMO技术能不增加系统带宽却提高系统容量和频谱利用率-The MIMO.OFDM system subcarrier, bit and power allocation MIMO technology can not increase the bandwidth of the system can improve the system capacity and spectrum efficiency
channelestimation
- 基于802.16e下行PUSC子载波分配的信道估计算法，包含ls与lmmse。信道模型为ITU vehicular test A。-802.16e dl-pusc channel estimation，ls，lmmse. itu vehicular test a
Untitled2
- 降低OFDM峰均比限幅方法CCDF曲线比较仿真程序。主要仿真参数为：子载波N=128,各支路采用16QAM调制，限幅率CR=1.4,仿真的OFDM符号数Nsymbol=10000。-Reduce the OFDM PAPR limiting method of CR = 1.4 CCDF curve simulation program. The main simulation parameters are: N = 128 sub-carriers, each branch with 16QA
ofdm_platform
- OFDM系统,包括子载波分配，功率分配，场景设计等-OPDM system simulation
ml_tongbu
- ml时频同步算法，基于OFDM系统的。子载波数 128 位数/ 符号 2 符号数/ 载波 100 训练符号数 0 循环前缀长度 8 (1/16)*T 调制方式 4-QAM 多径信道数 3 IFFT Size 128 信道最大时延 2-ml frequency synchronization algorithm, based on the OFDM system. Digit of the number of subcarriers 128 /2
DFT_S_OFDM_lyl
- LTE上行链路使用的DFT-S-OFDM系统的仿真，其中包括QPSK星座映射、串并转换、N点DFT、子载波映射等。-LTE uplink using the DFT-S-OFDM system simulation, including QPSK constellation mapping, string and conversion, N-point DFT, subcarrier mapping, etc..
OFDM
- 基于matlab的OFDM系统仿真，比较了不同CP、子载波下误码率曲线-OFDM system simulation based on matlab, compared different CP, under the sub-carrier BER curves
LTE
- MIMO-OFDM自适应实现，如果有自适应调制,进行逐用户,逐OFDM符号,逐子载波的星座调制-MIMO-OFDM Adaptive be achieved if there is an adaptive modulation performed by the user, per OFDM symbol-by-subcarrier modulation constellation
发送
- ofdm系统发送端,滤波器制作，DA转换，子载波产生(The carrier of ofdm system and how to produce or convert it.)