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OFDMChEstAlgLSE
- OFDM LSE Channel Estimation； the performance of LSE channel estimation will be evaluated based on bit error rate in received data-OFDM Channel Estimation; performance of the channel estimation will LSE be evaluated based on bit error rate in receiv
ofdm
- OFDM在MATLAB中的仿真程序，包括数据生成，数据传输，干扰，误差补充，数据接收，误码率的计算。不过误码率很大，达到0.5，希望对大家有用。-OFDM in the MATLAB simulation program, including data generation, data transmission, interference, error added, data receiving, the bit error rate calculations. But a large erro
OFDM_FDM_DAB_DSL_PSK_QAM_IFFT
- PERFORMANCE ANALYSIS OF OFDM Orthogonal Frequency-Division Multiplexing (OFDM) — essentially identical to Coded OFDM (COFDM) — is a digital multi-carrier modulation scheme, which uses a large number of closely-spaced orthogonal sub-carriers. Ea
bit_power_allocation
- ：该文研究OFDM 系统在总功率和误比特率限定下最大化传输速率的问题，并且考虑实际系统中整数比特的限制， 提出基于灌水法则的两种比特分配算法——改进贪婪算法和对分灌水线搜索法-The maximization of data rate under the constraint of total transmit power and bit error rate is a considerable issue in OFDM system. Recognizing that the num
OFDM_in_well_logging
- 基于 OFDM的高速遥传电缆调制解调器设计 基于 OFDM的高速遥传电缆调制解调器设计-Abstract : In order to meet t he demand of high data volume for imaging tool s , a cable Modulator/ De2 modulator is investigated and developed since it is t he key to any high2speed cable t ransmission s
Leaflet_WCDMAchannels
- the comb pilot aided channel estimation in ofdm modulation is considered. the power of pilot subchannels is under the control. The data experience frequency selective channel then the AWGN noise is added to make the situation worse. The bit error
MC_CDMA
- 码分多址(CDMA)技术作为第三代移动通信系统的核心技术，具有容量大、抗干扰能力强等优点。然而,传统的CDMA系统属于窄带扩频系统,它的数据速率比较低,不能胜任新一代移动通信系统 （beyond 3G）高速数据通信的需要。而多载波传输技术－正交频分复用（OFDM），作为后三代移动通信的核心技术，则具有高数据速率传输的特点。-Code Division Multiple Access (CDMA) technology as the third generation mobile commun
r-li-2008-thesis.pdf.tar
- As a multi-carrier modulation scheme, Orthogonal Frequency Division Multiplexing (OFDM) technique can achieve high data rate in frequency-selective fading channels by splitting a broadband signal into a number of narrowband signals over a number
Content
- A multiple-input multiple-output (MIMO) communication system combined with the orthogonal frequency division multiplexing (OFDM) modulation technique can achieve reliable high data rate transmission over broadband wireless channels. Channel state i
123
- 为了提高MIMO-OFDM系统的数据传输率和频谱利用率,提出一种新的自适应算法。该算法在保证信道质量所需误码率和总发射功率的前提下,按照各个子载波衰落程度动态地分配比特和功率,使系统的总数据传输速率最大。理论分析得出,该算法降低了系统运算复杂度,能很大地改善系统的整体性能。-In order to improve data transmission rates and spectrum efficiency of MIMO-OFDM systems,this paper proposes a n
ofdm_full_channel
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
OFDM-technology-based-on-simulink
- 正交频分复用(OFDM)是第四代移动通信的核心技术,它是实现宽带无线通信和多媒 体业务发展的基础。对OFDM 技术的基本原理，关键技术以及实现进行了研究，并且通过 matlab 中的通信仿真系统simulink 对OFDM 系统进行了模拟和分析，直观和形象地得到了 OFDM 系统在时域和频域的传输性能，得出的结果表明OFDM 系统可以明显地表现出抗多 径效应引起的频率选择性衰落和提高了频谱利用率，这一特性使得它能够在高数据传输速率 的无线信道中发挥优势。-Orthogonal Frequency
OFDM
- 英文版，详细介绍了OFDM的基础知识，后面附有matlab仿真-Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation technique that has recently found wide adoption in a wide variety of high data rate communication systems, including Digital Subscriber
Closed-Loop-MIMO-OFDM
- In high-data-rate wireless systems focus on the integration of orthogonal frequency-divisionmultiplexing (OFDM), multiple-inputmultiple-output (MIMO) and closed-loop techniques
coif12Transform
- The demand of high data rate services has been increasing very rapidly and there is no slowdown in sight. We know that the data transmission includes both wired and wireless medium. Often, these services require very reliable data transmission
Downloads
- The demand of high data rate services has been increasing very rapidly and there is no slowdown in sight. We know that the data transmission includes both wired and wireless medium. Often, these services require very reliable data transmission
RE28M1B29-Rachhpal-Singh
- The demand of high data rate services has been increasing very rapidly and there is no slowdown in sight. We know that the data transmission includes both wired and wireless medium. Often, these services require very reliable data transmission
v06_03_dem_2up_arrange
- 一个OFDM符号128个有效符号，插入128个虚拟子载波 符号率（即有效数据率）fsymbol，而发送速率（需要包括虚拟子载波）2fsymbol 输入的数据需要2倍的发送数据率，以便进行内插，实现位定时跟踪，即4倍fsymbol采样率的调制信号 OFDM symbol Nfft=128 points 一个OFDM符号数据点 Nfft*2 = 256 ， Guard Interval点 ＝Ng*2=64 -128 of an OFDM symbol of a val
Bit-Error-Rate-in-OFDM
- This program describes that how the binary data is transmitted by dividing data into frames. it also analyse the Bit Error rate by 16 QAM method and viterbi decoding method.
OFDM-master (1)
- ofdm仿真，用matlab仿真实现ofdm，为初学者提供一条道路(The proposed secret data embedding and extraction in OFDM is shown in figure 1.In order to achieve higher data rate, the serial data stream bits are converted in to parallel data output bits. Then the modulation s