Turbo and Space-Time Coded Adaptive OFDM
Space Time Block Coded Adaptive Modulation Aided OFDM
... TC coded schemes for the G 2 space- time coded AOFDM ...half-rate turbo and space-time coded adaptive OFDM ...variable-rate turbo and ...
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Adaptive Wireless Transceivers: Turbo Coded, Turbo Equalised and Space Time Coded TDMA, CDMA and OFDM Systems
... 4.10.3 Turbo Equalisation in Wideband Adaptive Modulation In our previous experiments involving the wideband AQAM scheme, the output SNR of the DFE was used as a measure of the channel quality and ...
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Comparative Study of Concatenated Turbo Coded and Space Time Block Coded as well as Space Time Trellis Coded OFDM
... time trellis codes using no channel coding over strongly dis-. persive channels[r] ...
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Quadrature Amplitude Modulation: From Basics to Adaptive Trellis Coded, Turbo Equalised and Space Time Coded OFDM, CDMA and MC CDMA Systems
... the time-domain, as seen in Figure ...cosine time-domain pulse shap- ing principle of Figure ...sinusoidal time-domain pulse shaping function was utilised in the Minimum Shift Keying (MSK) scheme of ...
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TURBO CODED OFDM SYSTEM
... vector space of DFT can be represented as a linear combination of the orthogonal ...the OFDM transmitter to map an input signal onto a set of orthogonal sub carriers ...the OFDM receiver to process ...
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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[r] ...
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Subband adaptive turbo coded OFDM based interactive video telephony
... Subband-Adaptive Turbo-Coded OFDM-Based Interactive Video Telephony Peter ...of adaptive orthogonal frequency division multiplex (AOFDM) video systems are proposed for interactive ...
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Image Transmission over Space Time Coded MIMO OFDM System with Punctured Turbo Codes
... Generally, a gray scale image is a two dimensional data set using 8-bit data to represent each pixel. Eventually, an image consists of huge data and transmitting this data over wireless medium is a challenging task. ...
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Space-Time Coded OFDM with Low PAPR
... that the metric deleted at the stage d can have a better met- ric at stage d + 1, when compared to the metric selected at stage d and extended to stage d + 1. As an alternative to the Viterbi algorithm, to improve the ...
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Space Time Turbo Coded Modulation: Design and Applications
... recursive space-time trellis codes and parallel-concatenated space-time turbo coded modulation is pro- posed that can be applied to an arbitrary existing space-time ...
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Recital on Multicarrier Communications: Space Time Coded versus Adaptive OFDM/MC CDMA
... 'In the context of the OFDM system the set of K different rubcarrien' channel transfer factors is referred to as the channel transfer function, or simply as the channel..[r] ...
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Performance of Turbo Coded OFDM in Wireless Application
... performance at low SNR. A full analysis of the turbo code characteristics described here is given in [8]. 4.1.2 Interleaving It was mentioned in the previous section that an interleaver is a device for reordering ...
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Turbo Coded OFDM with Large Number of Subcarriers
... dimensions in order to be compared to the original pseu- dorandom version. Generally, several delays are produced inside OFDM designs by various procedures which take considerable time to be completed. In ...
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PERFORMANCE OF TURBO CODED OFDM IN WIRELESS APP
... channels, OFDM is able to mitigate the detrimental effects of multi path fading using a simple one- tap ...as OFDM suitable for high data rate transmission with forward error correction (FEC) methods over ...
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Turbo Equalization For Space-Time Block Coded FWA Systems
... the turbo equalizer that performs equalization and channel decoding jointly in an iterative ...STTC coded multiple-input, multiple output (MIMO) systems, and channel shortening technique (leading to a ...
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Adaptive Switching between Space Time and Space Frequency Block Coded OFDM Systems in Rayleigh Fading Channel
... of Space-Time and Space Frequency Coded MIMO- OFDM with simple two branches transmit diversity scheme over time frequency selective ...over time varying ...channels. ...
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Turbo Coded Adaptive Modulation Versus Space Time Trellis Codes for Transmission over Dispersive Channels
... proposed turbo-coded AQAM ...the space–time trellis codes using two re- ...TC coded fixed ...TC coded fixed modulation scheme outperforms the uncoded AQAM scheme for channel SNRs ...
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Performance analysis of turbo coded OFDM in wireless application
... performance at low SNR. A full analysis of the turbo code characteristics described here is given in [8]. 4.1.2 Interleaving It was mentioned in the previous section that an interleaver is a device for reordering ...
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Space Time Turbo Trellis Coded Modulation for Wireless Data Communications
... ST turbo TCM with the new 16-state 4PSK STTC as the con- stituent code is more optimized than that with the 16-state QPSK STTC in [9] as the constituent code, because it con- verges more quickly at a lower ...
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Multimedia transmission over wireless space-time-frequency coded OFDM
... time coded OFDM with an adaptive beamforming scheme (STBC-OFDM-AB) is well suited to the application of mul- Recent trends in wireless/mobile networks have shown timedia data, and that a[r] ...
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