Iterative Receiver for SM-OFDM
Iterative Receiver Architectures for MIMO OFDM
... MIMO-OFDM receiver comprises a succession of detection modules, namely the channel estimator, the space-time detector and the decoder, which itera- tively exchange soft bit-related information and thus ...
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Iterative receiver for hybrid asymmetrically clipped optical OFDM
... optical OFDM (DCO-OFDM) [7]. DCO-OFDM is inefficient in terms of optical power since the DC bias does not carry ...optical OFDM (ACO-OFDM) and pulse-amplitude-modulated discrete ...
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An Iterative Receiver for OFDM With Sparsity-Based Parametric Channel Estimation
... An Iterative Receiver for OFDM With Sparsity-Based Parametric Channel Estimation Thomas ...a receiver that iteratively passes soft information between the channel estimation and data decoding ...
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Low-complexity iterative receiver design for mobile OFDM systems
... multiple receiver obser- vations for the same transmit symbol, as in the case of a diversity ...a receiver, compared to their counter- parts, will take only a fraction of the silicon area (or the cost) and ...
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Iterative Receiver Based on Flip OFDM in Optical Wireless Communication
... ©IJRASET: All Rights are Reserved 2670 Fig. 1. Equivalent based band channel model for IM/DD optical wireless channels At receiver end, a photodetector collects the optical signals and convert it into an ...
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Iterative Receiver for MIMO-OFDM System with ICI Cancellation and Channel Estimation
... Multi-carrier modulation is one of the transmission schemes that is less sensitive to time dispersion of the channel. A basic multi-carrier transmitter diagram is shown in Figure 1.2. In multi-carrier systems, the ...
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Implementation of Flip Ofdm Based Iterative Receiver for Optical Wireless Communication
... flip OFDM is used to guarantee nonnegative signals in optical wireless communication (OWC) systems and flipped orthogonal frequency division multiplexing (FlipOFDM) transmits the positive and negative parts of the ...
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Iterative (turbo processing) receiver design of OFDM systems in the presence of carrier frequency offset.
... Figure 1. Iterative receiver with channel estimation and CFO’s time-domain compensation. On the first iteration, we use block-type pilot symbols to estimate the channel at pilot symbol po- sitions. The ...
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An Iterative Maximum Likelihood Synchronization Method for OFDM System
... ABSTRACT OFDM system divides a wideband transmission bandwidth into several overlapped narrowband subcarriers to avoid the serious frequency selective fading ...and Receiver (Rx), OFDM system will ...
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Iterative Detection for Overloaded Multiuser MIMO OFDM Systems
... Although the simulation results show the BER performance is close to the optimum (MAP) performance, those bad channels are filtered out which is kind of wasted. In light of this, chapter 4 proposed two adaptive schemes ...
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Suboptimal and Optimal MIMO-OFDM Iterative Detection Schemes
... the iterative ISIC receiver for MIMO-OFDM system is analyzed in [9] using the extrinsic information transfer (EXIT) ...joint iterative detection and channel estimation for MIMO-OFDM is ...
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Performance of Iterative Receiver for Different Modulation Schemes in OWC
... in OFDM signals, a few OFDM methods have been proposed for ...optical OFDM (DCO-OFDM) [6], asymmetrically clipped optical OFDM (ACO-OFDM) [7], along with ...
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Iterative MMSE PIC Detection Algorithm for MIMO OFDM Systems
... The receiver exploits difference in the spatial signature induced by the MIMO channel onto the multiplexed data stream to separate the different signals, there by realizing a capacity ...
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Iterative scattered-based channel estimation method for OFDM/OQAM
... an iterative CE method, which uses the imaginary inter- ference at the receiver side to improve the ...an iterative estimation of the imaginary inter- ference using either the decoding block inside ...
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Iterative Sparse Channel Estimation and Decoding for Underwater MIMO-OFDM
... block-by-block iterative receiver for underwater MIMO-OFDM that couples channel estimation with multiple-input multiple-output (MIMO) detection and low-density parity-check (LDPC) channel ...the ...
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Iterative Detection and Decoding with PIC Algorithm for MIMO OFDM Systems
... lation. We evaluate the performance of MIMO-OFDM systems. The FFT size is 64, and the cyclic prefix length is L=16. For the 20 MHz channel, channel assumes an exponentially decaying power delay profile with 4 mul- ...
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Iterative joint channel and data estimation for rank deficient MIMO OFDM
... MIMO-OFDM receiver comprises a succession of detection modules, namely the channel estimator, the space-time detector and the decoder, which itera- tively exchange soft bit-related information and thus ...
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Fine Timing synchronization for OFDM Receiver
... where λf is the designed preadvancement to reduce the possible ISI and τo is the delay of the first actual channel tap. When time synchronization is done , the ML channel estimate is computed on the base of FTP , then ...
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Channel-Matched Receiver for Throughput Enhancement in OFDM
... 4. GUARD INTERVAL ADAPTATION Guard Interval Adaptation is another option for throughput enhancement by limiting the GI to the min- imal necessary amount, without performing any complex signal processing at ...
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FPGA implementation of an OFDM-based WLAN receiver
... complete receiver achieves the desired performance: it outperforms the receivers implemented previously ([7], [8] and [9]) and needs smaller SNR at every data rate than the one required by the ...designed ...
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