log-MAP turbo decoders
Reduced complexity Log MAP algorithm with Jensen inequality based non recursive max∗ operator for turbo TCM decoding
... the MAP algorithm is imple- mented in the logarithmic domain that results in the so- called Log-MAP algorithm ...the Log-MAP is the calculation of the logarithm of the sum of ...
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Review on Various Turbo Decoders in Networks
... various decoders for wireless sensor ...purposes. Turbo codes have been recognized as a milestone in the channel coding ...capabilities, turbo codes have been highly appreciated in wireless ...
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Vhdl Implementation Of An Area Efficient Algorithm For Turbo Decoders Having Wireless Sensor Networking Applications
... of turbo codes enhances the data transmission efficiency in digital communications systems especially for wireless communication ...Constant Log MAP Algorithm is introduced for turbo decoder ...
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Fast Converging Generalized Turbo Decoding Scheme with Enhanced Throughput for Mobile Radio
... RSC decoders in Figure 2 are each executed using a version of the classic MAP algorithm [12] implemented in the log-domain ...algorithm: log-MAP, max-log-MAP, ...
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A Novel Area-Efficient T-Decoders For Recursion Computation
... system. Turbo codes are utilized as the channel encoding scheme. MAP algorithm has been used as a decoding ...in MAP algorithm is minimized by implementing the algorithm in log domain giving ...
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A Novel High Speed and Area-Efficient Of Hybrid Turbo Decoders
... system. Turbo codes are used as the channel encoding ...in MAP algorithm is reduced by implementing the algorithm in log domain giving rise to Log MAP ...in turbo decoders ...
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Improved Max-Log-MAP Turbo Decoding by Maximization of Mutual Information Transfer
... mitigating the degradations resulting from any suboptimal decoding algorithm should maximize the mutual informa- tion at the outputs of the component decoders. It is shown here that effective maximization of mutual ...
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BER Analysis Using Log Map Decoding Algorithm for Turbo Codes Channel
... the turbo decoder is constructed from two identical serial decoding blocks that share ...The turbo code decoders often work iteratively (loop wise) by sharing a priori information obtained from the ...
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BER Analysis Using Log Map Decoding Algorithm for Turbo Codes Channel
... the turbo decoder is constructed from two identical serial decoding blocks that share ...The turbo code decoders often work iteratively (loop wise) by sharing a priori information obtained from the ...
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Performance Evaluation of Turbo Decoding Methods
... parallel Turbo Decoding in the upcoming digital communication applications as it can achieve high throughput and less ...and MAP algorithm in convolutional Turbo Decoder by discussing the parallelism ...
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Memory-Reduced and Area Efficient Turbo Decoding Architecture
... IV.IMPLEMENTATION RESULTS The proposed turbo decoder utilizes MAX-LOG-MAP algorithm for decoding the received code word. A maximum of eight iterations are performed in order to find the final LLR ...
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Vehicle Speed Estimation Using Headlight Trajectory Information in Night Time
... The proposed system is a novel approach for vehicle headlight detection, tracking and pairing in night time traffic surveillance camera. The two features for vehicle headlight detection are reflection intensity ...
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Malware and Log file Analysis Using Hadoop and Map Reduce
... maintain log files that keep records of database ...for log processing at scale. Log files have become a standard part of large applications and are essential in operating systems, computer networks ...
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Improved Iterative Parallel Interference Cancellation Receiver for Future Wireless DS-CDMA Systems
... in turbo decoding itera- tion, the first MAP decoder provides extrinsic information about all the systematic and half of the parity bits while the second decoder gives the extrinsic information about the ...
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Low-Power Maximum a Posteriori (MAP) Algorithm for WiMAX Convolutional Turbo Decoder
... codes. Turbo codes have shown their outstanding performance in terms of bit error rate (BER) at very low signal-noise ratio (SNR) since they appeared in the early ...the turbo codes were introduced by ...
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Low Complexity Approximate Log MAP Detection for MIMO Systems
... Additionally, the SOPHIE detector may be employed in the over-loaded scenario, where the number of transmit antenna el- ements exceeds that of the receive antenna elements, while the associated computational complexity ...
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An Optimized Hierarchy Aided Approximate Log MAP Detector for MIMO Systems
... Abstract— In this paper we propose a novel Space Division Multiplexing (SDM) detection method. The proposed technique constitutes a list search method and may be regarded as an advanced extension of the Sphere Decoder ...
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An Efficient High Secured Architecture for M-Turbo Decoders Using S- Box
... [9] C. Studer, C. Benkeser, S. Belfanti, and Q. Huang, “Design and implementation of a parallel turbo-decoder ASIC for 3GPP-LTE,” IEEE J. Solid- State Circuits, vol. 46, no. 1, pp. 8–17, Jan. 2011. [10] Z. Wang, ...
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High-Throughput Turbo Decoder with Parallel Architecture for Lte-Wireless Communication Standards
... probability decoders which are intrinsic building-blocks of parallel turbo ...in MAP decoders, we have presented an ungrouped backward recursion technique for the computation of backward state ...
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Design and Implementation of a Memory-Reduced Turbo Parallel Decoding
... adopted. Turbo codes are one of the high performance channel codes with forward error correction (FEC) provides optimal performance which is approaching the Shannon ...So, turbo codes are used at the most ...
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