concatenated space-time coding
Performance of serially concatenated channel coding with space time block coding in OFDM transmission systems
... that space-time diversity using space-time coding (STC) is an effective technique to improve wireless communication ...of space-time trellis code (STTC) and ...
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Concatenated Space Time Block Codes and TCM, Turbo TCM Convolutional as well as Turbo Codes
... Figure 5 shows the a coding gain versus the number of iterations and b the coding gain versus complexity for the TC2,1,3, TC2,1,4 and TC2,1 ,5 codes, where the coding parameters used are[r] ...
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Turbo Coding, Turbo Equalisation and Space Time Coding
... parallel concatenated block ...to space limitations here we have to curtail listing the range of further contributors in the field, without whose advances this treatise could not have been ...
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Turbo detected unequal protection audio and speech transceivers using serially concatenated convolutional codes, trellis coded modulation and space time trellis coding
... Similarly, bit error sensitivity investigations were performed in the same way, as described in the previous section. Figure 3 shows the error sensitivity of the various bits of the MPEG-4 TwinVQ codec for a bitrate of ...
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An Adaptive Secure Channel Coding Scheme for Data Transmission over LEO Satellite Channels
... powerful coding technique, (parallel or serial) concatenated codes have been proposed for any com- munication system where a signicant power saving is required or the operating signal to noise ratio is very ...
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Comparative Study of Different Space Time Coding Schemes for MC CDMA Systems
... of space-time trellis-code (STTC), space-time block code (STBC), and space-time trellis-code concatenated with space-time block code (STTC-STBC) for ...
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Single Carrier Space Time Trellis and Space Time Block Coding for Dispersive Rayleigh Fading Channels
... ly time selective nor significantly frequency ...investigate space diversity techniques with the aim of improving the system’s ...set. Space-Time Trellis Coding (STTC) pioneered by ...
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Hybrid Concatenated Convolutional Code for Deep Space Mission
... hybrid concatenated super-orthogonal space-time trellis code (SOSTTC) applying iterative decoding for flat fading ...super-orthogonal space-time trellis codes. The first ...
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A Low Complexity Approach to Space Time Coding for Multipath Fading Channels
... In Figure 3, we evaluate the impact of the number of sep- arable paths on the WER with M = 2 for a spectral e ffi - ciency of 2(bit/channel use). A 4-state 8-PSK Ungerboeck TCM is used. As the number of paths increases, ...
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Transmission and Reception of Grey Scale Image Through Rayleigh Channel Using Concatenated STBC and Different Channel Codes
... Space Time Block Codes: One of the methodologies for exploiting the capacity in MIMO system consists of using the additional diversity of MIMO systems, namely spatial diversity, to combat channel ...a ...
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Space Time Codes and Concatenated Channel Codes for Wireless Communications
... Again, in this system, we will concentrate on using the simple half-rate ( ) code. Its associated parameters are shown in Table 3. As seen in Table 9, in conjunction with the half-rate ( ) code, a higher order bit/symbol ...
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Iteratively Decoded Irregular Variable Length Coding and Sphere Packing Modulation Aided Differential Space Time Spreading
... serially concatenated and itera- tively decoded Irregular Variable Length Coding (IrVLC) combined with precoded Differential Space-Time Spreading (DSTS) aided multidimen- sional Sphere Packing ...
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Performance Analysis of Mobile WiMAX System using Turbo Coding Technique for Different Modulation Schemes under AWGN and Rayleigh Channel
... to time domain conversion) After the subcarrier modulation stage each of the data sub carriers is set to amplitude and phase based on the data being sent and the modulation ...the time domain, allowing it ...
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Diversity Analysis of Distributed Space-Time Codes in Relay Networks with Multiple Transmit/Receive Antennas
... distributed space-time coding to wireless relay networks whose transmitter, receiver, and/or relays can have multiple ...distributed space-time coding according to the diversity ...
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SIMULATIVE INVESTIGATION ON MIMO SYSTEMS FOR ENHANCED PERFORMANCE
... In a wireless communication system, channel consists of multiple signal paths from the transmitter to the receiver. This multiplicity of paths leads to a phenomenon known as multi-path fading [4]. These multiple paths ...
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Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems
... of space-time coded sys- tems operating on fading channels [4, 5, 6, ...of space-time coded signals along with the matrix of path ...the space-time coded sig- ...the ...
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Censored Distributed Space-Time Coding for Wireless Sensor Networks
... tributed space-time coding was proposed in ...Alamouti’s space-time block code (STBC) [12] and it is assumed that only two sensors are active randomly at any ...
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Efficient MIMO-OFDM Based Space-Time-Frequency Coding
... of space-time [ST] preparing [3] and ST codes [4] enables us to accomplish, or possibly approach, these limits in down to earth ...ST coding in a MIMO-OFDM framework is apply the ST-codes for the ...
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Space-time block coding with imperfect channel estimation and synchronization
... In our study of imperfect channel estimation problem, a simplified Tarokh’s decision rule has been derived based on the pdf of the received signal [29]. This pdf is conditioned on the imperfect channel estimations and ...
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Systematic Design of Space Time Trellis Codes for Diversity and Coding Advantages
... in space-time ...and coding advantage for an arbitrary number of transmit antennas and any memoryless ...designing space-time trellis codes for QPSK, 8PSK, 16PSK, asymmetric QPSK and ...
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