[PDF] Top 20 Timing and Frequency Synchronization in Practical OFDM Systems
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Timing and Frequency Synchronization in Practical OFDM Systems
... this study focuses on the detection algorithm, we confine ourselves to the more gen- eral contention based OFDMA ranging channel model, which is compliant to the IEEE 802.16 standard. Recently, the space-alternating ... See full document
243
Fine Timing synchronization for OFDM Receiver
... Time synchronization error effect the performance of OFDM receiver and Carrier frequency synchronization is critical to the quality of signal reception in OFDM ...time ... See full document
6
Frequency Synchronization in OFDM System
... for OFDM systems based on repeated OFDM data symbols or repeated short pseudo noise ...sequences. Synchronization based on PN-sequence preambles of- fered greater power reductions in stand-by ... See full document
6
Parameter Estimation and Error Reduction in Multicarrier Systems by Time-Domain Spreading
... pilot-less timing and frequency synchronization methods for OFDM systems in a multipath fading ...modified OFDM system using a time- domain spreading (TDS) coupled with a cyclic ... See full document
12
Synchronization in Wireless Networks for Practical MIMO OFDM Systems
... Orthogonal Frequency Division Multiplexing (OFDM) systems but comparatively less work has been done in Multiple Input Multiple Output (MIMO) OFDM ...[1], timing metric for frame ... See full document
5
Orthogonal frequency division multiplex synchronization techniques for frequency selective fading channels
... and frequency-synchronization acquisition algorithm for the down- link of OFDM ...the frequency and timing parameters are not significantly varying during the delay between the refer- ... See full document
10
Autocorrelation Properties of OFDM Timing Synchronization Waveforms Employing Pilot Subcarriers
... an OFDM/FM system for ALOHA environment in which each OFDM frame has to be synchronized ...tone-based synchronization scheme, inspired from a sonar waveform design approach presented in [27], is ... See full document
14
Channel length assisted symbol synchronization for OFDM systems in multipath fading channels
... correct timing offset, when the signal-to-noise ratio (SNR) is high or the signal power induced by the channel tap exceeds the noise ...the timing function is unavoidable, the channel length is also ... See full document
11
Joint Frequency Ambiguity Resolution and Accurate Timing Estimation in OFDM Systems with Multipath Fading
... an OFDM system with 64 subcarriers and the length of cyclic prefix with 16 ...the timing error is counted with reference to the bound of the ISI-free guard ... See full document
7
Joint Effects of Synchronization Errors of OFDM Systems in Doubly-Selective Fading Channels
... major synchronization errors, including the symbol time offset (STO), carrier frequency offset (CFO), and sampling clock frequency offset (SCFO) in OFDM ... See full document
9
Packet Format Design and Decision Directed Tracking Methods for Filter Bank Multicarrier Systems
... for practical and efficient realization of broadband communication ...orthogonal frequency division multiplexing (OFDM), [1], is the most widely adopted method in the current ...While OFDM may ... See full document
13
Synchronization in MIMO OFDM systems
... In order to enhance the estimation performance, averaging over subsequent OFDM blocks is beneficial. Besides the fixed small estimation range of half of the carrier spacing, the estimator in Eq. (21) – in contrast ... See full document
7
Synchronization and channel estimation in MIMO OFDM systems
... carrier frequency offset in MIMO-OFDM ...carrier frequency offset (CFO) can be ...carrier frequency offset mitigation is ...for synchronization process with high accuracy and speed has ... See full document
7
Multi-stage Wireless Signal Identification for Blind Interception Receiver Design
... Orthogonal Frequency Division Multiplexing (OFDM) has been widely employed in many civilian and military broadband communication systems due to its high spec- tral efficiency and robustness to ... See full document
122
Efficient integer frequency offset estimation architecture for enhanced OFDM synchronization
... [24] frequency selective ...residual timing offset (RTO) caused by imperfect STO estimation (assuming that STO estimation is still within the CP and does not cause ... See full document
10
Practical Approaches to Adaptive Resource Allocation in OFDM Systems
... orthogonal frequency division multiplexing (OFDM) has gained a lot of practical and re- search interest because of the number of advantages that this technique exhibits compared with the single ... See full document
10
Joint CFO Estimation and Data Detection in OFDM systems
... of OFDM technique was ...make OFDM technique being widely ...subcarriers, synchronization is a major issue in OFDM ...After frequency correction by an estimate of CFO, the trans- mitted ... See full document
89
Performance of FM-DCSK Communication Systems with Timing Synchronization Error
... communication systems employ non-periodic chaotic waveform to convey information [1], ...and frequency-modulated differential chaos shift keying (FM-DCSK) [4], ...chaos-based systems to resist ... See full document
8
Analysis of Timing Synchronization with CE for UWBSystem under Fading Channels
... of timing error in UWB transmission system is observed with existing least mean square (LMS) channel estimation ...with timing synchronization is proposed here which can reduce the BER to very high ... See full document
6
Degradation of ICI in OFDM Communication System by Analyzing I/Q Imbalance and Impact of Timing Jitter
... In any practical system, perfect matching between I and Q branches is not possible due to limited accuracy in the implementation of the RF or optical front-end. In this paper, we consider only the I/Q imbalance at ... See full document
5
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