[PDF] Top 20 Robust OFDM Timing Synchronisation in Multipath Channels
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Robust OFDM Timing Synchronisation in Multipath Channels
... pre-FFT synchronisation for orthogonal frequency division multiplex (OFDM) under varying multipath ...for timing synchronisation is proposed, that is, robust even when the ... See full document
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Channel length assisted symbol synchronization for OFDM systems in multipath fading channels
... However, OFDM systems are sensitive to synchroniza- tion errors that may destroy the orthogonality among all ...uncertain OFDM symbol arrival time introduces a symbol timing offset, which is ... See full document
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1. A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels
... fading channels, which can be indemnified by simply using an equalizer of ...Therefore, OFDM can greatly alter the design of equalizer while enabling rather higher data rates, which leads that it is used as ... See full document
7
Blind Coarse Timing Offset Estimation for CP OFDM and ZP OFDM Transmission over Frequency Selective Channels
... (the timing offset is simulated as an integer multiple of the receiver’s sampling ...the timing offset estimate falling in the ISI free region. Indeed, for CP-OFDM signals, some symbol timming error is ... See full document
8
Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels
... The OFDM transmission technique is robust to multi-path channel delay, cyclic prefix extension is used to elimi- nate inter-symbol interference (ISI), but the Inter-carrier interference (ICI) remains a ... See full document
9
An Adaptive Channel Estimation Algorithm Using Time Frequency Polynomial Model for OFDM with Fading Multipath Channels
... Orthogonal frequency division multiplexing (OFDM) is an effective technique for the future 3G communications because of its great immunity to impulse noise and intersymbol interference. The channel estimation is a ... See full document
13
Joint Frequency Ambiguity Resolution and Accurate Timing Estimation in OFDM Systems with Multipath Fading
... A serious disadvantage of orthogonal frequency-division multiplexing (OFDM) is its sensitivity to carrier frequency offset (CFO) and timing offset (TO). For many low-complexity algorithms, the estimation ... See full document
7
Optimal coding performance for MIMO system
... multiple OFDM symbols) space–time modes of the ...semi-blind timing synchronization and channel estimation scheme for OFDM systems was developed based on unit ...coarse timing offset with ... See full document
6
Spectrum Sensing of OFDM Signals over Multipath Fading Channels for Cognitive Radios Alnaz Mahween & B Tulasi Sowjanya
... for OFDM signals are investigated under low SNR environment with the presence of a timing delay and also GLRT and CI-GLRT detection algorithm based on the differential characteristics for the sensing the ... See full document
9
Spectrum Sensing Over Multipath Fading Channels through Ofdm Signals for Cognitive Radios
... [21] N. Nguyen-Thanh and I. Koo, “Optimal truncated ordered sequential cooperative spectrum sensing in cognitive radio,” IEEE Sensors J., vol. 13, no. 11, pp. 4188-4195, Nov. 2013. [22] H. T. Hsieh and W. R. Wu, “Maximum ... See full document
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Analysis of Timing Synchronization with CE for UWBSystem under Fading Channels
... different multipath channel conditions. The effect of timing error in UWB transmission system is observed with existing least mean square (LMS) channel estimation ...with timing synchronization is ... See full document
6
Time and Frequency Synchronisation in 4G OFDM Systems
... complete synchronisation scheme of a baseband OFDM receiver for the currently designed 4G mobile communication ...the OFDM transmission is vulnerable to time and frequency offsets, accurate estimation ... See full document
9
Joint Symbol Timing and CFO Estimation for OFDM/OQAM Systems in Multipath Channels
... in multipath channels is ...symbol timing (i.e., the delay of the first multipath component) is obtained by considering the smallest estimated ... See full document
11
Performance Evaluation of DWT-OFDM and DFT-OFDM in Multipath PLC Channel
... a robust modulation scheme, like a Discrete Wavelet Transform (DWT) based modulation technique, hence the quality of data communication over the noisy in-home power line network can be ...Transform-based ... See full document
6
TURBO CODED OFDM SYSTEM
... the OFDM symbol with no guard added, which is equal to the length of the IFFT size used to generate the signal) has an integer number of ...the OFDM signal. In addition to protecting the OFDM from ... See full document
8
A survey of timing channels and countermeasures
... Figure 13 shows the key entities of TSC. Here the victim Alice unintentionally leaks information to the observer Eve who is the attacker. Alice accesses the resource for her own operation depending upon some secret ... See full document
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Performance Analysis On Channel Estimation Of OFDM Reception In Multipath Fast Fading Channels Using PSO
... Furthermore, SI must fulfill the five principles which are defined as follows: Principle of proximity: The swarm should be capable of performing simple computations of time and space computations[15], [16]. Principle of ... See full document
5
Cue properties change timing strategies in group movement synchronisation
... that timing variability of a cue source is reflected in the participants’ synchronisation performance, as the timekeeper variance increased with position along the ...when synchronisation to both ... See full document
12
A differential QPSK modem using the TMS320C6711 DSK
... As part of a four year degree at the University of Southamp- ton, students in electronic engineering can attend modules in communications, which are either entirely taught or con- tain course work in terms of simulations ... See full document
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MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS
... to multipath propagation. The propagation of radio signal through multipath wireless channel is a compli- cated process often characterized by various impairments including multipath fading, path ... See full document
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