MIMO frequency selective channels
Linear and Nonlinear Time Domain Block Equalizers on MIMO Frequency Selective Channels
... In this paper, we propose the novel linear and nonlinear block equalization schemes in time domain for the SC transmission with short block length, where the CSI is only available at the receiver. We firstly defined the ...
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Appropriate Algorithms for Estimating Frequency Selective Rician Fading MIMO Channels and Channel Rice Factor: Substantial Benefits of Rician Model and Estimator Tradeoffs
... The sequences under test in Figures 1 through 3 are ZCZ-(4, 2, 1) and ZCZ-(8, 2, 1) sets [26]. It is notable that these results are obtained based on both the channel model and the channel Rice factor which are defined ...
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Reduced feedback for selective fading MIMO broadcast channels
... the selective multiple-input multiple-output broadcast channel, where links are assumed to be selective in both time and ...the selective fading case, where the minimal number of feedback bits ...
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STC-Mimo Block Spread OFDM in Frequency Selective AWGN Channels
... bandwidth. The primary advantage of OFDM [2] over single-carrier schemes is its ability to cope up with severe channel conditions without complex equalization filters. There is necessity in simplifying channel ...
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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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Performance of MUTP aided MIMO systems over correlated frequency selective wireless communication channels: a multi cell perspective
... maximize the area spectral efficiency. However, this could result in high levels of CCI as simultaneous transmission takes place on the same frequency band in the adjacent cells. In this context, the users may ...
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Time-Varying FIR Equalization for MIMO Transmission over Doubly Selective Channels
... time-varying frequency-selective channels is investigated in ...doubly selective channels, ZF and MMSE time-varying FIR equalization techniques were proposed in ...the MIMO ...
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Implementation of Transmit Diversity Schemes
... LTE. MIMO can improve LTE system performance by spatial multiplexing and transmit diversity, in which the Space Frequency Block Codes (SFBC) are used to obtain diversity ...the frequency domain. In ...
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Improved Diversity Analysis of Coded OFDM in Frequency Selective Channels
... fading MIMO channels, single beamforming carryingonly one symbol at a time achieves full diversity but spatial multiplexing without channel codingresults in the loss of the full diversity ...
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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
... MIMO-OFDM system more vulnerable to phase noise or time variations of the channel coefficients. The author has assumed perfect channel state information CSI for all numerical results so far. In practical systems, ...
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Antenna Subset Selection for Cyclic Prefix Assisted MIMO Wireless Communications over Frequency Selective Channels
... the frequency-selective nature of the channels, which is a worst case for antenna selection schemes because it excludes the case of potentially different receive ...
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Optimizing time and space MIMO antenna system for frequency selective fading channels
... for frequency selective channels with prior knowledge of the channel at the ...for frequency flat channels, our results reduce to expressions for optimal weights previously ...
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Receivers and CQI Measures for MIMO-CDMA Systems in Frequency-Selective Channels
... the MIMO-CDMA ...For MIMO systems, if an SE MIMO scheme is used, the CQI of each coded stream can still be represented by a single SNR and hence, the single-dimensional mapping of both MCS(CQI) and ...
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Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity
... of frequency-flat and frequency- selective fading channels from an algebraic viewpoint and develop the corresponding linear precoding structures to maximize their ergodic ...of ...
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Spreading Code Assignment Strategies for MIMO CDMA Systems Operating in Frequency Selective Channels
... important role in defining their overall performance [30, 31]. Unlike centralized spreading code assignment strategies, a user is assigned a set of mutually orthogonal spreading codes and the transmitter decides which ...
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Performance Analysis of Mimo-Wimax System Using Space Time Block Codes
... and frequency selective fading conditions and increases both data rate and system ...mobile MIMO WiMAX system has been carried out using Space Time Block Code for different modulation schemes under ...
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An Extensive Review on STBC for MIMO OFDM System
... 355 Authors Parismita Gogoi and Kandarpa Kumar Sarma demonstrated in their research paper the Diversity methods provide the receiver with independently faded copies of the transmitted signal with the expectation that at ...
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Joint CFO Estimation and Data Detection in OFDM systems
... called frequency shift. The frequency shift is related to both the moving speed of the terminal and the carrier ...with frequency shift within each symbol ...the frequency shift can be ...
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Ghais El Zein. MIMO Hardware Simulator Design for Heterogeneous Indoor Environments Using Tgn Channel Models
... The rest of this paper is organized as follows. Section 2 presents the channel models and the scenario proposed for the test. Section 3 describes the new architectures of the digital block of the hardware simulator in ...
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1. A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels
... orthogonal frequency division multiplexing (OFDM) systems, a frequency selective (FS) channel is commuted into an accumulation of flat fading channels, which can be indemnified by simply using ...
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