frequency-selective fading effect
Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm
... Orthogonal Frequency Division Multiplexing (OFDM) systems has become an important technique in wireless communication to reduce the overall effect of high data rate and increase links ...has ...
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Performance Analysis of a Synchronized Receiver over Noiseless and Fading Channels
... Waveform, Frequency Translator and Channel, Receiver and Byte Error display [15], and the internal operations of the receiver is shown in Figure ...a fading frequency selective channel with ...
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Optimizing time and space MIMO antenna system for frequency selective fading channels
... multipath fading, with prior knowledge of the channel at the ...flat fading channel conditions without co-channel interference ...the effect of intersymbol interference (ISI) and CCI is not consid- ...
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Performance Estimation of 2*4 MIMO-MC-CDMA Using Convolution Code in Different Modulation Technique using ZF Detection Scheme
... Rayleigh Fading Channel ...convert frequency selective wide-band carriers into parallel flat-fading narrowband carriers which are orthogonal in nature then this data reshaped to parallel to ...
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INPULSE noise estimation in frequency selective fading channel
... Orthogonal Frequency Division Multiplexing is also known as Discrete Multi-Tone ...with frequency selective fading channel, and its performance may be dramatically impacted by the presence of ...
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Web Applications Testing using White Box Method
... flat fading and frequency selective fading channels), channel estimation, adaptive equalization, and ...the effect of different channel models to the data and image in receiver with ...
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Effect of cyclic prefix in BER improvement in MIMO-OFDM system
... multipath effect of wireless channel and the receiver ...Orthogonal Frequency Division Multiplexing (OFDM) is a special form of multicarrier modulation scheme, which divides the entire frequency ...
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Improving Performance and Detection Schemes of Mimo-Ofdm Systems in the Presence of Phase Noise and Doubly-Selective Fading Where Channel is Both Time and Frequency Selective Offia Innocent.S, Udeh Ikemefuna James, Eke J
... time- selective fading in MIMO-OFDM has been recognized, the exact quantitative effect of the combination of the two has not been well ...time-varying fading environments has not been well ...
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Survey on Various Types of Noise and Methods for Noise Removal
... propagation, selective frequency fading, extreme Doppler effect and heavy ambient noise, FH-MFSK techniques play a vital role in robust underwater acoustic communication, especially in shallow ...
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Bit Error Rate Analysis of OFDM System with Channel Estimation Error in Rayleigh Fading Channels
... and frequency synchronized orthogonal frequency division multiplexing (OFDM) system, it is essential to have the perfect estimate of the channel frequency ...of frequency selective ...
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Performance of Macrodiversity MIMO systems in Flat Rayleigh Fading
... ABSTRACT: A multiuser system with random number of users is considered along with a receive array distributed over a flat Rayleigh fading path. The receive array performs the MMSE (Minimum mean squared error) or ...
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DATA RATE ENHANCEMENT OF GSM USING OFDM TECHNIQUE
... The powerful technique for the transmission over quasi-static frequency selective fading channel with convolution coding is Bit-Loaded ADAPTIVE- OFDM. The author develops analytical method for bit ...
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Performance of multicarrier complementary coded CDMA under frequency selective Nakagami m fading channels
... in frequency-selective Nakagami-m fading ...under frequency-selective fading ...under frequency- selective Nakagami-m fading ...
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On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel
... estimation errors. The CE error may degrade the BER per- formances of PNC and ANC differently (since PNC performs digital encoding at the packet level), but in this work, we only consider ANC since it is more spectrum ...
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Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity
... It has been shown that the capacity of a MIMO system is greatly reduced by spatial correlation in the underlying chan- nel [1, 2]. Spatial correlation can reduce the rank of the chan- nel matrix, and hence greatly ...
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Performance Analysis of Mimo-Wimax System Using Space Time Block Codes
... Wireless access networks like WiMAX provide an excellent opportunity for operators to participate in the rapid growth opportunities that exist in emerging markets. The mobile Worldwide Interoperability for Microwave ...
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Spectrum - Sharing Multihop Cooperative Relaying Performance Analysis Using Cognitive Radio Networks
... system(Rayleigh fading) and the star symbol denotes the proposed system(Frequency selective fading) ...and Frequency selective fading channel is inferred from the graph ...
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Super Orthogonal Block Codes with Multichannel Equalisation and OFDM in Frequency Selective Fading
... S is the original state number of the STTC. Alternatively, OFDM can also be used to mitigate the e ff ects of intersym- bol interference for space-time codes in multipath fading channels [11, 12]. In [12], the ...
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Secured Communication over Frequency Selective Fading Channels: A Practical Vandermonde Precoding
... the frequency- selective BCC (40) is equivalent to the MIMO-BCC where the transmitter with N + L dimensions (antennas) sends messages to K receivers with N antennas each in the presence of the eavesdropper ...
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Review on STBC coded MISO and MIMO in Frequency Selective Wireless Fading Channel
... of achieving a significant fraction of the (4, 1) Shannon capacity, a new design criterion involving linear receiver processing and receive diversity-multiplexing with relatively low computational complexity is provided. ...
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