time domain coded OFDM
PERFORMANCE OF TURBO CODED OFDM IN WIRELESS APP
... analog domain. Fig 3.3 shows the block diagram of a typical OFDM transceiver ...the time domain using an Inverse Discrete Fourier Transform ...the OFDM signal the calculated time ...
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Image Transmission over Space Time Coded MIMO OFDM System with Punctured Turbo Codes
... turbo coded SPIHT (PTCS), was implemented over OFDM systems with spatial diversity is proposed, where neither feedback channel nor Channel State Information (CSI) is available at ...transmitter. OFDM ...
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Interference Analysis of Partial Response Coded OFDM Signals
... Proposed OFDM system with PRC: A baseband model of ICI significantly; it halves the bandwidth efficiency since the proposed OFDM system using PRC is shown ...on time domain partial The ...
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Space Time Block Coded and IQ interleaved TCM, TTCM, BICM and BICM ID Assisted OFDM
... and time-domain Rayleigh fading on the STBC-IQ-CM based OFDM schemes in Figures 4 and 5, where the number of OFDM subcarriers is ...of OFDM subcarriers, the CM decoder will wait for ...
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Adaptive Wireless Transceivers: Turbo Coded, Turbo Equalised and Space Time Coded TDMA, CDMA and OFDM Systems
... The employment of the Kalman filter for adaptive data, CIR and delay estimation was car- ried out by Lim and Rasmussen [390]. They demonstrated that the Kalman filter gave a good performance and exhibited a high grade of ...
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Frequency domain equalization space time block coded CDMA transmission system
... frequency domain equalization; FIR: finite-impulse response; IBI: interblock interference; ISI: intersymbol interference; MMSE: minimum mean squared error; MRC: maximal ratio combiner; OFDM: orthogonal ...
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RS CODED OFDM BY UNIQUE WORD PREFIX
... in time domain leads to another fundamental and beneficial signal property: A UW in time domain generates a word of a complex number RS (Reed Solomon)- code in the OFDM frequency ...
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TURBO CODED OFDM SYSTEM
... the time domain using an Inverse Discrete Fourier transform ...the OFDM signal, the calculated time domain signal is then mixed up to the required ...
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Analysis of SOSTTC-OFDM based on Least Squares Method
... and time domain show an improved coding gain and provide full diversity when compared with both space-time block codes [3] and space- time trellis codes ...the OFDM environment are pos- ...
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A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... of OFDM in transmitter diversity systems mo- tives exploitation of diversity ...transmitter OFDM also of- fers the possibility of coding in a form of SF-OFDM ...[6–8]. OFDM maps the ...
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Blind and semi blind ML detection for space time block coded OFDM wireless systems
... performance. OFDM essentially transforms a broadband channel into a number of par- allel narrowband channels using a cyclic prefix (CP) of appropriate length and renders simple one-tap channel equalizer for each ...
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DESIGN AND EVALUATION OF WI-MAX TRANSCEIVER USING MPSOC
... Miniaturization of electronic components has led to the introduction of complex electronic systems which are integrated onto a single chip, so-called systems-on-a-chip (SoCs)[1]. At the same time, performance ...
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Space-Time Coded OFDM for High Data rate Wireless Communication over Wideband Channels
... Finally, plan an OFDM (orthogonal frequency division multiplexing) of space time code, adapted physical layer. This joins modulation and coding. Recently, recommended the space-time codes for ...
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Time Variant Bitrate Turbo Coded Near Instantaneously Adaptive OFDM Based Interactive Videophony
... Frame Error Rate FER or video packet loss ratio PLR versus channel SNR for the BPSK and QPSK xed modulation mode OFDM transceivers and for the corresponding subbandadaptive AOFDM transce[r] ...
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Turbo Coded OFDM with Large Number of Subcarriers
... as OFDM presented excellent toler- ance of channel fading and noise signals, the evolvement in terms of speed and reliability was consequent, because only a small stream of information is lost due to noise ...
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Space-Time Coded OFDM with Low PAPR
... single-output OFDM systems, space-time coded OFDM systems have been receiving significant ...space- time coding can be used to achieve high data rates at low signal-to-noise ratios ...
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The Alamouti Scheme with CDMA-OFDM/OQAM
... appropriate OFDM/OQAM pulse shapes which satisfy conditions (ii) and (iii) can be designed, and these can lead to some advantages over the CP- ...of Coded Division Multiple Access (CDMA) with ...
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Analysis and Compensation of Transmitter and Receiver I/Q Imbalances in Space Time Coded Multiantenna OFDM Systems
... vidual front-end implementations. Overall system model is developed from the transmitted data stream to the receiver diversity combiner output, including the effects of transmit- ter and receiver I/Q imbalances as well as ...
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Long Irregular LDPC coded OFDM with Soft Decision
... For a signal transmitted without coding, an SNR of around 10.5 to 11dB is required to achieve a BER of 10 -6 . Use of Reed Solomon (RS) code was resulting in 4 dB of coding gain and leaving of 6dB gain was still there. ...
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On the Design of MIMO OFDM Transceivers via Geometric Mean Decomposition
... Orthogonal Frequency Division Multiplexing (OFDM) is an efficient multicarrier technique that converts frequency selective channels to parallel narrowband flat fading channels hence suppressing Inter Symbol ...
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