Adaptive Turbo-coded OFDM-based Video Telephony
Burst by Burst Adaptive Turbo coded OFDM Based Video Telephony
... various AOFDM systems having dierent target bitrates. The previously described AOFDM transceiver of Table 1[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 ...
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HIPERLAN like Turbo Coded Multi user Detection Assisted OFDM Based Interactive Video Telephony
... subcarrier based estimate of the channel’s frequency-domain transfer func- tion between the single transmit antenna of the l-th user and the reception antenna array element ...
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Adaptive Wireless Transceivers: Turbo Coded, Turbo Equalised and Space Time Coded TDMA, CDMA and OFDM Systems
... This chapter is concluded with the portayal and characterisation of RBF-based turbo equalised space-time coded schemes. In Chapter 11 the recent history of smart CDMA MUDs is reviewed and the most ...
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Turbo and BCH Coded Wide Band Burst by Burst Adaptive H 263 Assisted Wireless Video Telephony
... Burst-by-Burst Adaptive H.263-Assisted Wireless Video Telephony Peter Cherriman, Choong Hin Wong, and Lajos Hanzo Abstract—The video performance benefits of burst-by-burst adaptive ...
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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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OFDM Based Turbo Coded Hierarchical and Non Hierarchical Terrestrial Mobile Digital Video Broadcasting
... the video material used, the output bit rate of the video codec, the objective video quality mea- sures used and the averaging algorithm ...quality based sensitivity testing becomes simply ...
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Near Instantaneously Adaptive Decision Feedback Equalized Coded Modulation for Wireless Video Telephony
... lis Coded Modulation (TCM) [1], which is based on combining the functions of coding and modulation, is a bandwidth efficient scheme that has been widely recognized as an excellent error con- trol technique ...
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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
... Chapter 1 Introduction and Background This book is concerned with the issues of transmitting digital signals via multilevel modu- lation. We will be concerned with digital signals originating from a range of sources such ...
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The Performance of H263 Based Video Telephony over Turbo Equalized GSM/GPRS
... the coded bits. Note that the latter steps are different from those in turbo decoding, which only produces the a posteriori probability of the source bits, rather than those of all channel coded ...
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A Turbo-Coded Burst-by-Burst Adaptive Wide-Band Speech Transceiver
... Terms—Adaptive OFDM, audio compression, transmis- sion, wide-band speech ...URST-BY-BURST adaptive quadrature amplitude mod- ulation (AQAM) transceivers [1] have recently generated substantial ...
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Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Trellis Coded Modulation and Space Time Trellis Coding
... the video bit sequences in both class-1 and class- 2, as seen in Figure ...scheme’s turbo decoder structure is illustrated in Figure 2, where there are four constituent decoders, each labelled with a ...
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Burst by Burst Adaptive Joint Detection CDMA/H2 63 Based Video Telephony
... the video-packetization method ...one video packet per TDMA frame, then the packetization overhead would absorb a large percentage of the available ...larger video packets, thereby reducing the ...
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Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Multi Level Coding, Trellis Coded Modulation and Space Time Trellis Coding
... sensitive video bits, while a weaker NSC/RSC is employed for protecting the less sensitive video ...(SP) based bit mapper [1], where the signal set is split into a number of subsets, such that the ...
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TURBO CODED OFDM SYSTEM
... of OFDM are its multi-path delay spread tolerance and efficient spectral usage by allowing overlapping in frequency ...using turbo codes. The combination of turbo codes and OFDM and recursive ...
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Simulation of Turbo Coded OFDM System
... single OFDM transmission is in process, all the subcarriers are synchronized to each other in order to restrict the transmission to the digital modulation schemes [2, ...symbol based system in which a large ...
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Performance of Turbo Coded OFDM in Wireless Application
... on turbo codes and their ...of OFDM and turbo coding with a target-based, modulation ...an OFDM system model then try to improve the performance by applying forward error correcting ...
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Turbo Coded OFDM with Large Number of Subcarriers
... new Turbo coding scheme based on Parallel Con- catenated Convolutional Codes was become part of an OFDM system which was modified according to the specifications’ needs and addressed many issues of ...
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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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Performance analysis of turbo coded OFDM in wireless application
... on turbo codes and their ...of OFDM and turbo coding with a target-based, modulation ...an OFDM system model then try to improve the performance by applying forward error correcting ...
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