Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 24 for “"error correction coding"”.
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Efficient forward error correction coding technique for spread spectrum communications
This thesis presents the study of the coding technique and the simulation results for the Forward Error Correction (FEC) of the wireless data in a highly noisy and severe fading wireless medium, based on standard (IEEE 802.11 Wireless Local Area Network specification) and GPS driven non-standard …
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Robust steganography: training and error-correction coding against active wardens
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-20 without embargo terms
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Performance analysis of the Link-16/JTIDS waveform with concatenated coding, soft decision Reed Solomon decoding and noise-normalization
… a (31, 15) Reed-Solomon (RS) code for forward error correction coding. In this thesis, an alternative error correction coding scheme that uses concatenated coding with a (31, k) RS inner code and a rate 4/5 convolutional outer code is considered. In addition, a sequential diversity of two, …
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Design and ESD Protection of Wideband, Radio Frequency Integrated Circuits in CMOS Technologies
… for backplane communications that implements error correction coding to reduce equalization power and transmitter output swing. The design of the transmit driver with pre-emphasis equalization, receiver amplifier, and voltage controlled oscillator is described. The I/O transceiver is fully …
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Selective Interference Cancellation and Frame Synchronization for Packet Radio
… the combination of interference suppression with error correction coding is studied. A decoder-assisted frame synchronization technique is proposed for future packet radio system. The performance of DS-CDMA in packet radio networks suffers from the near-far problem. This near-far problem can be …
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Stochastic optimization algorithms for adaptive modulation in software defined radio
… parameters. However, in systems where general error correction coding is employed, it may be difficult to derive closed form performance functions of the communications systems. In addition, in closed form optimization, real time adaptation is not possible. Systems designed with deterministic …
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Iterative Algebraic Decoding of Codes Defined on Graphs
Furthermore, we propose novel error correction coding schemes, called Generalized Integrated Interleaving and Sparsely Integrated Interleaving codes. In the context of block interleaved codewords, Generalized Integrated Interleaving allows nonuniform redundancy to be shared among all the …
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A Proposed Architecture for a High-Data Rate Mobile Lmds Network
… such as Doppler shift, modulation selection, and error correction coding. These parameters and others are important in providing a robust design. This thesis discusses a set of criteria that seek the best approach in terms of economical feasibility, throughput capabilities, design complexity, data …
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An access layer protocol for parallel networks
… definitions make provision for incorporating an error correction coding procedure known as cross channel coding. A software simulator was built for the proposed parallel network. The simulator has a detailed model of the access layer and was used to verify the functionality defined for the access …
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Simulation of Third Generation CDMA Systems
… employed at the receiver. We investigate the bit error rate at both uplink and downlink for different channel conditions. Performance improvement due to error correction coding scheme is shown. The simulator developed can be an invaluable tool for investigating the design and implementation of …
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Underwater acoustic communications and adaptive signal processing
… convolution (ZTC) codes in terms of bit error rate (BER) in the PHY layer. Computer simulation results show that the FTBC codes outperform the ZTC codes in terms of MAC layer metrics, such as collision rate and bandwidth utilization, in a massive network of battery powered IoUT …
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Low computational complexity bit error rate simulation for personal communications systems in multipath and fading environments
… performance is compared based on bit and packet error rates resulting from the simulations. The primary contribution of this thesis is the development of fast and accurate algorithms for channel simulations, and flexible structured implementation of error correction coding. Previous simulation …
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Multiuser detection for CDMA systems with convolutional coding
… improve the capacity of COMA systems. Error correction coding is also an important technique for overcoming severe channel degradation. In this project, we investigate the performance of multiuser receivers which use the combination of interference cancellation techniques and error …
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The application of forward error correction techniques in wireless ATM
… this thesis, titled "The Application of Forward Error Correction Techniques in Wireless ATM' is to examine the feasibility of using forward error correction techniques to improve the perceived channel characteristics to the extent that the channel becomes transparent to the higher layers and …
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Configurable Architecture for System-Level Prototyping of High-Speed Embedded Wireless Communication Systems
… and adaptive features like variable Forward Error Correction Coding and optional link-level retransmissions. The design decisions and simulation results of the verification process are discussed in detail. Finally, the aspects of testing and integration of the prototype in the overall system …
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A Smart Implementation of Turbo Decoding for Improved Power Efficiency
Error correction codes are a means of including redundancy in a stream of information bits to allow the detection and correction of symbol errors during transmission. The birth of error correction coding showed that Shannon's channel capacity could be achieved when transmitting information through …
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Range Adaptive Protocols for Wireless Multi-Hop Networks
… algorithms change processing gain, forward error correction coding rate, transmit power, and number of simultaneous connections. In addition, the ad hoc routing protocol is extended with the clustering algorithm for mobile ad hoc network (CAMEN). With ADIM-NB in mind, CAMEN discourages the …
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Data reliability and error correction for NAND Flash Memory System
… per cell, its reliability is decreasing. The error correction coding can be used to significantly improve the data reliability; nevertheless, the advanced ECCs such as low-density parity-check (LDPC) codes generally demand soft decisions while NAND flash memory channel provides hard-decisions …
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Predictive inference in reading comprehension: What can biased judgments inform us about information processing in the brain?
… flexible. This latter process is an instance of error correction coding.
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Cascaded ROADM Filter Replication and the Effects of Statistical Variations in the Response of Cascaded ROADMs on 100 Gb/s DP-QPSK System Performance
… success was the reduction of the mean squared error compared to the feedforward case. The bandwidth narrowing/center frequency shift case had limited success, with a mean MSE reduction of 16.08% and one scenario of 10 resulting in an increase in the MSE. The passband impairment filter …
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