Turbo-Coded Fixed Modulation Mode Performance
Turbo Coded Burst by Burst Adaptive Wideband Modulation with Blind Modem Mode Detection
... the modulation mode selected as shown in T able 1. A random turbo interleaver size was chosen in order to ensure burst-by-burst decoding and subsequently we were able to exploit the SD-based error ...
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Near Capacity Turbo Trellis Coded Modulation Design
... Let us now compare the union bound and the actual BER per- formance of the various TCM and TTCM schemes. Note that we computed a truncated union bound, where only Hamming distances upto ∆ H max = 4 and ∆ H max = 6 are ...
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Space Time Turbo Coded Modulation: Design and Applications
... the performance of 4-state Tarokh-STTrC and ...The performance gain of the parallel concatenated scheme compared to the performance of the single compo- nent code is more than ...
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Performance evolution of turbo coded MIMO WiMAX system over different channels and different modulation
... Technology (IJRASET) to each mobile station. Since multiple mobile stations are scheduled in one frame, a base-station transmits frame control information first at the beginning of each frame. The frame control ...
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Performance of Turbo Coded OFDM in Wireless Application
... on turbo codes and their ...the performance theory of the codes Then we tied concepts of OFDM and turbo coding with a target-based, modulation ...the performance by applying forward ...
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PERFORMANCE OF TURBO CODED OFDM IN WIRELESS APP
... popular modulation method in high speed wireless ...desired performance at higher data ...decade, turbo codes have been widely considered to be the most powerful error control code of practical ...
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A Proposed Turbo Coded Wavelet Packet Modulation based MC CDMA
... The conventional MC_CDMA is implemented by means of FFT operation. In its frequency spectrum, the main lobe does not concentrate energy effectively and side lobe attenuates slowly, the multi path fading and ...
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Space Time Turbo Trellis Coded Modulation for Wireless Data Communications
... Keywords and phrases: space-time coding, MIMO fading channels, space-time trellis codes, turbo coded modulation, interative decoding. 1. INTRODUCTION In the present cellular mobile communication ...
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Performance analysis of turbo coded OFDM in wireless application
... on turbo codes and their ...the performance theory of the codes Then we tied concepts of OFDM and turbo coding with a target-based, modulation ...the performance by applying forward ...
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TURBO CODED OFDM SYSTEM
... multi-carrier modulation technique in which a single high rate data-stream is divided into multiple low-rate data- streams and is modulated using sub-carriers which are orthogonal to each ...the modulation ...
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On the Design of Turbo Trellis Coded Modulation schemes using Symbol based EXIT Charts
... 3.2. Results and Discussions The EXIT charts and the corresponding decoding trajecto- ries of the TTCM schemes employing 8PSK, 16QAM and 32QAM signal sets are shown in Figs. 5, 6 and 7, respec- tively, when communicating ...
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Turbo Detection of Channel Coded Space Time Signals Using Sphere Packing Modulation
... tial performance improvements in the context of wireless communication ...the performance of STBC- SP systems can be further improved by concate- nating sphere packing aided modulation with channel ...
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Parellel Concatenated Turbo Codes for Performance Analysis of Coded Ofdm in Dab
... Multi-Carrier Modulation technique in which a single high rate data-stream is divided into multiple low rate data- streams and is modulated using sub-carriers which are orthogonal to each ...the modulation ...
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Improving the Performance of Turbo-Coded Systems under Suzuki Fading Channels
... The system model of Figure 1 was considered in the analysis of this paper. The binary generated data are encoded, with a 1/3- and 1/2-rate turbo encoder with a codeword length of 4096 bits. Binary codewords were ...
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Simulation of Turbo Coded OFDM System
... BER performance of the TCOFDM system is compared with the respective un-coded system under the AWGN and Rayleigh ...and Turbo coded OFDM with AWGN channel using QAM modulation ...
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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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Turbo Coded Adaptive Modulation Versus Space Time Trellis Codes for Transmission over Dispersive Channels
... the performance of the proposed turbo-coded AQAM ...TC coded fixed ...TC coded fixed modulation scheme outperforms the uncoded AQAM scheme for channel SNRs below 15 ...
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Coded Modulation Assisted Radial Basis Function Aided Turbo Equalisation for Dispersive Rayleigh Fading Channels
... versus performance of the TTCM assisted RBF-I/Q-TEQ and RBF-TEQ schemes on an iteration by iteration ...the performance of the first three iterations of RBF-I/Q-TEQ- TTCM is inferior to that of the first ...
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MULTY BINARY TURBO CODED WOFDM PERFORMANCE IN FLAT RAYLEIGH FADING CHANNELS
... Key words: Duo binary Turbo Codes, WOFDM, OFDM, Flat Fading. I. INTRODUCTION Wavelets represent a successful story of the last decade in signal processing applications. Thus, these signals, with some highly ...
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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
... our turbo coded adaptive modems, when a single antenna is ...adaptive modulation scheme consistently activates ...a fixed interleaver length of L = 3072 ...
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