载波同步是正交频分复用系统的一项关键技术。
Carrier frequency synchronization is one of the key techniques of OFDM system.
正交频分复用系统的上行同步需要测距来完成。
Up-link synchronization in OFDM system is completed by ranging.
信道估计是正交频分复用系统中的关键技术之一。
Channel Estimation technique is one of the key techniques in OFDM communication systems.
提出了一种新的降低正交频分复用系统峰均功率比的方法。
A new method is proposed to reduce the peak-to-average power ratio of orthogonal frequency division multiplexing system.
将联合最大似然分组半盲估计算法应用于正交频分复用系统。
Joint ML block semi-blind channel estimation is applied to OFDM system.
在正交频分复用系统中，帧同步对系统性能起到十分重要的作用。
In the orthogonal frequency division multiplexing system, the frame synchronization plays an important role in the performance of system.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
提出了一种新的无线信道下基于循环前缀的正交频分复用系统符号定时同步算法。
A symbol timing algorithm for orthogonal frequency division multiplexing (OFDM) systems with the cyclic prefix under wireless channels is proposed.
针对载波加权正交频分复用系统中权值选择的不确定性，提出了一种载频盲同步的性能分析方法。
Aiming at the uncertainty of weights selection in the weighting orthogonal frequency division multiplexing system, a performance analysis method for carrier blind synchronization is proposed.
在相干光正交频分复用系统中，本文提出了一种新型的基于循环前缀和虚载波的盲频偏估计方法。
A new blind frequency offset estimation method based on cyclic prefix and virtual subcarriers in coherent optical orthogonal frequency division multiplexing (CO-OFDM) system is presented.
为了减小正交频分复用系统受频率偏差的影响，在OFDM系统中设计了一种新的载波频偏估计算法。
To reduce the impact of carrier frequency offset in OFDM system, this thesis designs a new carrier frequency offset estimation scheme for OFDM system.
正交频分复用技术以其多种优势成为低压电力线宽带通信的最佳选择，信道估计是正交频分复用系统的关键问题之一。
Due to many advantages of Orthogonal Frequency Division Multiplexing technique, it becomes the best choice for low-voltage power line broadband communication.
针对正交频分复用(OFDM)系统提出了一种新的符号定时和载波频率同步算法。
A new symbol timing and carrier frequency synchronization scheme applicable to orthogonal frequency division multiplexing (OFDM) system was presented.
本文提出两种新的用于循环前缀(CP)不足时正交频分复用(OFDM)系统的迭代均衡方法。
This paper presents two novel iterative equalization schemes for orthogonal frequency-division multiplexing (OFDM) systems when the cyclic prefix (CP) is not sufficient.
符号、载波偏移严重影响着正交频分复用（OFDM）接收系统的性能。
Symbol timing and carrier frequency offset will significantly degrade the performance of OFDM(Orthogonal Frequency Division Multiplexing)receiver.
本文提出了一种用于正交频分复用（OFDM）系统中由大功率放大器引起的非线性失真的有效的数字自适应补偿方法。
The paper presents an efficient digital adaptive method compensating for nonlinear distortions caused by a high-power amplifier (HPA) in orthogonal frequency division multiplexing(OFDM) system.
该文提出了一种在有限反馈条件下多入单出—正交频分复用(MISO - OFDM)系统中基于误码率的波束成形方案。
In this paper, a new transmit beamforming scheme with limited feedback is presented in Multiple-Input Single-Output Orthogonal Frequency Division Multiplexing (MISO-OFDM) systems.
本文通过MATLAB编程实现正交频分复用（OFDM）的系统仿真，系统采用卷积码和交织码级连的差错控制编码。
This test realized emulational system of OFDM through MATLAB programming, adopted error control coding of concatenation of convolutional codes and interlaced codes.
部分传输序列(PTS)是一种复杂度较高的减小正交频分复用(OFDM)系统峰均功率比(PAPR)的方法。
Partial transmit sequences (PTS) is a method with high complexity to reduce the Peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) system.
提出了正交频分复用(OFDM)系统中一种新的帧同步算法。
A new frame synchronization scheme in orthogonal frequency-division multiplexing (OFDM) system was proposed.
提出了一种正交频分复用(OFDM)系统的频率和时间同步算法。
In this paper, a new frequency and symbol synchronization algorithm for OFDM systems is proposed.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用(OFDM)系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems.
该文根据频域相关的原理，提出了一种新的用于无线移动信道下的正交频分复用(OFDM)系统的时频同步算法。
A new time and frequency synchronization method based on frequency domain correlation for an Orthogonal frequency Division Multiplexing (OFDM) system is presented.
正交频分复用(OFDM)系统的一个主要缺点是峰均功率比(PAPR)过高。
One of the major drawbacks of the OFDM system is the high peak-to-average power ration (PAPR).
提出了一种基于导频符号的多输入多输出正交频分复用(MIMO - OFDM)系统多频偏估计算法。
A multiple carrier frequency offsets (CFOs) estimation algorithm for multiple Input multiple Output Orthogonal frequency Division Multiplexing (MIMO-OFDM) systems based on pilot symbols was proposed.
基于双衰信道的频域响应，提出了一类双衰信道下多天线正交频分复用（MIMO-OFDM）系统的最优化频域导频设计方案。
The model of the MIMO-OFDM system in doubly-selective channels is derived and a lower bound of mean squared error(MSE) of the channel estimator using frequency domain pilot is presented.
提出一种在零前缀正交频分复用（ZP-OFDM）系统中，估计符号定时和载波频偏的算法。
The methods propose to utilize the zero padding prefix(ZP) characteristic of ZP-OFDM systems.
提出一种在零前缀正交频分复用（ZP-OFDM）系统中，估计符号定时和载波频偏的算法。
The methods propose to utilize the zero padding prefix(ZP) characteristic of ZP-OFDM systems.
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