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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
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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
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OFDM(正交频分复用)技术实际上是MCM(Multi-Carrier Modulation，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。正交信号可以通过在接收端采用相关技术来分开，这样可以减少子信道之间的相互干扰(ICI)。每个子信道上的信号带宽小于信道的相关带宽，因此每个子信道上的可以看成平坦性衰落，从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分，信道均衡变得相对容-OFDM (
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A MATLAB program has been written to investigate Orthogonal Frequency Division
Multiplexing (OFDM) communication systems. This program is valuable for future researchers
simulating systems that are too theoretically complex to analyze. Single-car
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正交频分复用（OFDM，Orthogonal Frequency Division Multiplexing）是一种多载波数字调制技术，也可以被当作一种复用技术。具有频谱利用率高、抗多径干扰等特点，OFDM系统能够有效地抵抗无线信道带来的影响，例如信道的频率选择性衰落，脉冲噪声和共信道干扰的影响。本文主要介绍了OFDM原理的相关知识。-The Orthogonal Frequency Division Multiplexing (OFDM, Orthogonal Frequency Divisi
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Orthogonal Frequency Division Multiplexing
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This paper deals with the capacity behavior of wireless Orthogonal Frequency Division Multiplexing
(OFDM)-based spatial multiplexing system when considering realistic channel delay profiles.
In both the SISO and the MIMO contexts, we compare the
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OFDMA, Orthogonal Frequency Division Multiple Access is a broad band communication method. Here channel estimation is more crucial. Based on the FFT size used for OFDM transmission method that many number of channel co-efficients are to be estimated
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Freescale关于3GPP LTE PHY层的说明，包括OFDM、MIMO等内容。-This technical white paper provides an overview of the LTE physical layer(PHY), including technologies that are new to cellular such as Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input M
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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
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An effective technique to improve wireless
communication performance is transmit diversity.In this transmitter diversity using a new combination of space-time block codes (STBCs) concatenated with orthogonal frequency division.
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Orthogonal Frequency Division
Multiplexing (OFDM)
By:
Eng. Husein A.A.Alenzi
Submitted in partial fulfillment of the requirements for
M.Sc Degree in Information Technology at the AHLIA
UNIVERSITY
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This thesis investigates the effectiveness of Orthogonal Frequency Division
Multiplexing (OFDM) as a modulation technique for wireless radio applications. The
main aim was to assess the suitability of OFDM as a modulation technique for a
fixed
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UWB关于频域划分和频率匹配的论文。很有用！-UWB on the frequency-domain and frequency division of matching papers. Very useful!
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OFDM(Orthogonal frequency-division multiplexing)意即正交頻分複用技術對頻率偏移極為敏感,初期皆以導引信號作為偵測.
後期則著重在盲通道估測~此兩篇論文是盲通道的技術~有助於你學習更多知識
-OFDM (Orthogonal frequency-division multiplexing) means orthogonal frequency division multiplexing frequency offset pairs are
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正交频分复用（OFDM）技术matlab实现仿真源代码-Orthogonal Frequency Division Multiplexing (OFDM) technology to achieve Matlab simulation source code
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一篇北京邮电大学的博士论文。蜂窝网协作通信及相关技术研究 2010。关键词:协作通信，蜂窝网，多入多出，正交频分复用，频率复用系数，中继
-A Beijing University of Posts and Telecommunications doctoral thesis. Cellular communications and related technology research collaboration 2010. Keywords: cooperative communicat
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orthogonal frequency
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A noncoherent, bandwidth-efficient modulation
scheme is proposed for frequency-hopping multiple-access
(FH-MA) networks. The proposed scheme is a combination
of noncoherent -ary amplitude-shift keying (NMASK) and
orthogonal frequency-division
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基于OQAM/PDM CO-OFDM系统提出了一种时域的信道估计方法，可以有效提高估计效率。
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