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On-performance-of-MIMO-OFDM-based-LTE-systems
- Ajey, S., B. Srivalli, et al. (2010). On performance of MIMO-OFDM based LTE systems. Wireless Communication and Sensor Computing, 2010. ICWCSC 2010. International Conference on. 4G wireless systems predominately employ multiple input multiple outp
OFDM_Technique_Simulation_Performance
- 摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用 OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受到的由于多 径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和 基本原理,然后在计算机上用M atlal〕对其性能进行了仿真,仿真中将OFDM与传统的单载波 调制方式—i1,交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较,最后分析了一者的仿真结果. -Abstract: Based
1
- Coarse Symbol Timing Synchronization (CSTS) algorithm for OFDM systems that is robust to a multi-path fading channel
cp_ofdm_simulation
- Matlab file for simulating a cyclic-prefix (CP) orthogonal-frequency- division-multiplexing (OFDM) system with binary phase-shift keying (BPSK) modulation on each subcarrier. CP-OFDM system includes a repetition code and interleaving across
OnPerformanceLimitsofDFTSpreadOFDMSystems
- OnPerformanceLimitsofDFTSpreadOFDMSystems DFT Spread OFDM has been proposed recently to reduce the Peak to Average Power Ratio (PAPR) of conventional OFDM transmission. Besides PAPR reduction, an important implication of DFT Spreading is t
Chen_Wei
- Time- Frequency- Selective Channel Estimation of OFDM Systems
ofdm_bpsk_fading
- OFDM with BPSK in Fading Channel.
BERofQOSTBCinRayleighfadingChannel
- It is a program for Quasi orthogonal space time block codes in Rayleigh fading channel
OFDM_system_simulation_and_analyze_based_on_Simuli
- 在simulink下建立了OFDM系统的仿真模型,并对所建模型进行了分析,同时在两径和六径瑞利衰落信道以及系统中有无交织下对其进行仿真,给出了仿真结果。-Established under the simulink simulation model of the OFDM system, and the model analyzed, while two tracks and six Path Rayleigh fading channel, as well as whether the sys
Performance_comparison_of_STBC_SFBC_STFBC_for_OFDM
- 采用2发1收的MISO—OFDM系统,对STBC/ SFBC/STFBC在不同的频率/时问选择性信道环境下进行了性能仿真比较。-A comparison of STBC,SFBC and STFBC has been conducted under the different frequency/time seleetive fading channel by using two by one MISO—OFDM system.
IEEE80211n_Channel_Estimation
- 本文主要研究了基于802.1ln协议的MIMO.OFDM信道估计的研究。首先给出了MIMO。OFDM的信道模型。在此基础上导出了在慢衰落信道下的基于块状导频的LS信道估计算法。-This paper mainly based on 802.1ln agreement MIMO-OFDM Channel Estimation. Firstly, MIMO. OFDM channel model. On this basis, derived in the slow fading channel b
ofdm
- Multicarrier modulation helps to reduce the detrimental effects of multipath fading. Because of its robustness to multipath, and the ease of implementating it in transmitters and receivers using the fast Fourier transform (FFT), the MCM concept i
The-simulation-of-OFDM-systems
- 正交频分复用(OFDM) 是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理,重点研究了理想同步情 况下,保护时隙(CP) 和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序。最后给出在不同的信道条件下,保 护时隙、信道估计方法对OFDM系统误码率影响的比较曲线,得出了较理想的结论。-Orthogonal frequency division mult
gjlj
- 重点研究 了低信噪比﹑多径瑞利衰落信道条件下,基于高阶累积量的OFDM信号盲识别技 术。提出了利用奇数阶累积量区分OFDM信号与单载波信号的方法,并对基于三 阶和五阶累积量的算法进行了仿真分析。 -﹑ Focus on the low SNR multipath Rayleigh fading channel conditions, based on cumulant OFDM signal blind identification technology. Made a dist
OFDM-Report
- Modern wireless communication systems are expected to support high data rate, allowing users to access high quality multimedia content, anytime-anywhere. To support high data rate, wideband frequency channels are required. However, frequency selectiv
OFDM
- The simulation is concerned with BER (bit error rate) in systems that used OFDM technique through different channels effects (delay spread & Fading) and with different modulation schemes. And showing the effect of used modulation scheme in the same c
Ternary-Sequence-Based-OFDM-Frame-Synchro-in-WIFI
- In this paper, we present and analyze efficient frame synchronization and frequency offset compensation scheme with ternary sequences for an orthogonal frequency division multiplexing (OFDM) system in Rayleigh fading channels. Frame synchronization
STBC-OFDM-performance-rayleigh
- A COMPARATIVE PERFORMANCE ANALYSIS OF STBC-OFDM SYSTEMS UNDER RAYLEIGH FADING ENVIRONMENTS
OFDM--multipath-fadingsimulation
- OFDM通信系统抗多径衰落性能仿真,最后给出不同信道下,循环前缀、均衡技术对系统误码率影响的比较曲线,并得出结论。-OFDM communication system simulation of multipath fading Finally, under different channel, cyclic prefix, equalization impact on the system bit error rate comparison curve, and draw conclusion
Synchronization-in-OFDM
- Synchronization in OFDM With its robustness against multipath fading, orthogonal frequency division multiplexing (OFDM) has become the modulation of choice for many modern wireless standards. However, OFDM is very sensitive to offsets in f