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 10 of 10 for “"Iterative receiver"”.
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A low-complexity linear and iterative receiver architecture for multi-antenna communication systems
… is on the design of low-complexity multi-antenna receiver architectures for communication networks and their demonstration in a real-time wireless environment. Our practical realization of an orthogonal frequency-division multi-antenna receiver is capable of several forms of linear and iterative …
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Low-Complexity Iterative Receiver Design for Multi-Carrier Faster-Than-Nyquist Signaling Over Frequency-Selective Fading Channel
… interference simultaneously, which makes the receiver design of MFTN signaling quite challenging. Especially in multipath fading channels, the coupling of channel interference and self-interference imposed by MFTN signaling further increases the complexity of symbol detection and channel …
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EM-Based iterative channel estimation and sequence detection for space-time coded modulation
… symbol interleaving at the transmitter and iterative EM-based soft-output decoding at the receiver. The channel and signal model are introduced with a quasi-static and time-varying Rayleigh fading channels considered to evaluate the performance of the communication system. Performance of the …
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Iterative receivers with channel estimation for MIMO and multi-user OFDM systems
… The use of multiple antenna (MIMO) systems and iterative (turbo) receivers has significantly improved the realizable system performance. Still, many challenges exist in the development of efficient wireless receivers. In this thesis, which is written in the form of a collection of papers, we …
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Sphere detection and LDPC decoding algorithms and architectures for wireless systems
… error-rate performance can be achieved with iterative receiver structure composed of inner detection and outer decoding. In this work we design algorithms and architectures for iterative wireless receivers with multiple antennas applied for both downlink and uplink scenarios. Our goal is to …
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Turbo equalization using message passing methods with higher order modulation signaling
… channel. Since the discovery of turbo codes, iterative decoding has become a vital field of research in digital communications. The turbo equalization is a widely used iterative receiver technique which has high performance of bit error rate (BER). Many turbo equalization techniques have been …
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Optimization of a Coded-Modulation System with Shaped Constellation
… are used to select the sub-constellation. An iterative receiver exchanges soft information among the demodulator, LDPC decoder, and shaping decoder. Parameters associated with the modulation and shaping code are optimized with respect to information rate, while the design of the LDPC code is …
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Advances in Iterative Probabilistic Processing for Communication Receivers
… demands are placed on the capabilities of the receiver. At the same time, the computational resources available for processing received signals will continue to grow. This opens the door for iterative algorithms to play an increasing role in the next generation of communication receivers. In …
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Optimal Detection with Imperfect Channel Estimation for Wireless Communications
… we investigate the detection performance of an iterative receiver implementing the optimal detector in the initial iteration and mismatched detectors in following iterations in a system transmitting turbo-encoded data. Simulation results show that the optimal detection outperforms the mismatched …