linear frequency-selective channels
Linear and Nonlinear Time Domain Block Equalizers on MIMO Frequency Selective Channels
... block linear and nonlinear equalizers for the signal separation and equalization of single carrier transmission on quasi- static frequency selective MIMO, SIMO, and SISO chan- ...conventional ...
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Adaptive Zero Padding OFDM over Frequency Selective Multipath Channels
... the linear channel convolution into a circular one, which facil- itates the diagonalization of the channel matrix, and makes single-tap equalization using scalar division possible ...
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A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... orthogonal frequency-division multiplexing (OFDM) transmission through frequency-selective channels, this paper pursues a channel estimation approach in time domain for both ...
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Frequency-Shift Zero-Forcing Time-Varying Equalization for Doubly Selective SIMO Channels
... designing linear time-varying (LTV) finite-impulse response zero-forcing (ZF) equalizers for time- and frequency-selective (so-called doubly selective) single-input multiple-output (SIMO) ...
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A Selective Linear Transceiver Design Over Correlated Large-MIMO Channels
... joint linear transceiver design methods [6, 9, 11] can be directly utilized, problems with feedback overhead and transmitter/receiver complexity become increasingly prominent in frequency division duplexing ...
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Joint CFO Estimation and Data Detection in OFDM systems
... requires linear approximation and pilots ...a linear search method was ...over frequency selective fast fad- ing ...the frequency shift in fast fading channel cannot be separated as a ...
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Receivers and CQI Measures for MIMO-CDMA Systems in Frequency-Selective Channels
... in frequency-selective channels, in order to avoid the complications of multidimensional ...front-end linear fil- ter followed by joint symbol detection among all the ...multipath ...
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Improved Diversity Analysis of Coded OFDM in Frequency Selective Channels
... For further improvement convolutional coding scheme is replaced low-density parity-check (LDPC) code. LDPC coding scheme has many advantages over convolutional codes. LDPC is a linear error correcting code. LDPC ...
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Cumulant-Based Automatic Modulation Classification Over Frequency-Selective Channels
... Rayleigh frequency selective channels, to classify amplitude-shift keying (ASK), binary PSK (BPSK) and QAM ...fading channels has also been investigated, assuming a Rayleigh fading channel, ...
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Diversity Techniques for Single Carrier Packet Retransmissions over Frequency Selective Channels
... We have presented and compared two transmit diversity schemes for multiple HARQ retransmission using single carrier signaling over frequency selective channels. Our theoretical analysis shows that ...
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Successive interference cancellation schemes for time-reversal space-time block codes
... in frequency- selective fading ...for frequency-selective and doubly selective fading channels show that the proposed schemes significantly outperform the conventional minimum ...
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Secured Communication over Frequency Selective Fading Channels: A Practical Vandermonde Precoding
... the frequency-selective channel can be modeled as an N × (N + L) MIMO Toeplitz ...practical linear precoding scheme that fully exploits the degrees of freedom ...MIMO channels to transmit both ...
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Equivalence of Linear MMSE Detection in DS CDMA and MC CDMA Systems over Time and Frequency Selective Channels
... Cases 1, 2, 3, and 4 discuss MC-DS-CDMA system behav- ior over TFS channels. The MC-DS-CDMA system in an FS (TS) channel experiences Case 1 (Case 2) since the channel is FS (TS) per basis waveform (so that the ...
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Performance limits of conventional and widely linear DFT precoded OFDM receivers in wideband frequency selective channels
... orthogonal frequency-division multiple access (DFT- precoded-OFDMA) [1,2] in the uplink of the long- term evolution (LTE) standard [3], there has been renewed interest in the design and analysis of these two ...
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Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity
... of frequency-flat fading ...of frequency-selective fad- ing ...comprehensive linear algebraic model of a frequency-selective fading channel with L effective paths in terms of ...
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Analysis and implementation of OFDM system and channel estimation based IEEE 802 11A
... Channel estimation plays a very important role in any wireless communication system. Currently many related algorithms are a research hotpot. Basically channel estimation are classified into two types namely, pilot-based ...
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Performance Analysis of the Blind Minimum Output Variance Estimator for Carrier Frequency Offset in OFDM Systems
... previous work [13], we proposed a new blind estimation al- gorithm which yields high bandwidth efficiency and high accuracy based on the minimum output variance (MOV). In [13], the performance of the MOV estimator is ...
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Rake Receiver Detection of Adaptive Modulation Aided CDMA over Frequency Selective Channels
... picted in Fig. 2 corresponds to the single user performance of a Rake-receiver assisted DS-CDMA system employing AQAM, i.e. without inflicting multi-user interference. Near single user performance is achievable for ...
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Effective Needs of Space-Time-Frequency Coding in MIMO-OFDM Communication over Frequency Selective Fading Channels
... for frequency selective fading channels" such as the space time code design for single carrier transmission over frequency selective fading ...and frequency diversity ...
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Blind CP OFDM and ZP OFDM Parameter Estimation in Frequency Selective Channels
... (1) with s the received sampled data stream s = [s(0) · · · s(N − 1)] T and S its Power Spectral Density (PSD) (N is the number of samples). Note that the larger the number of samples, the higher the frequency ...
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