Performance Evaluation of Timing Estimation Technique Using Extended Cyclic Prefix for Correlation Sequence for OFDM Systems
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DOI: 10.1007/s11277-017-4553-0
Abstract: This paper presents an analysis of symbol timing offset (STO) estimation method for orthogonal frequency division multiplexing systems. The proposed method does not require any preamble and with the use of available cyclic prefix (CP)… read more here.
Keywords: estimation; correlation sequence; correlation; timing estimation ... See more keywords
Timing and Carrier Frequency Offset Estimation Using Selective Extended Cyclic Prefix for Correlation Sequence for OFDM Systems
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DOI: 10.1007/s11277-018-5736-z
Abstract: In this paper a novel technique for timing and carrier frequency offset (CFO) estimation for orthogonal frequency division multiplexing (OFDM) systems is presented. This technique is a modification of extended cyclic prefix for correlation sequence (ECPCS)… read more here.
Keywords: technique; estimation; correlation; extended cyclic ... See more keywords
Experimental demonstration of cyclic prefix insertion for all-optical fractional OFDM
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DOI: 10.1016/j.optcom.2017.03.032
Abstract: Abstract We verified the insertion effect of a cyclic prefix (CP) in an all-optical fractional orthogonal frequency division multiplexing (FrOFDM) system. CP is an essential technique for reducing inter-channel interference in conventional OFDM. Because a… read more here.
Keywords: demonstration cyclic; experimental demonstration; prefix insertion; cyclic prefix ... See more keywords
Sparse Frequency Domain Spectrum Sensing and Sharing Based on Cyclic Prefix Autocorrelation
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DOI: 10.1109/jsac.2016.2633058
Abstract: Cognitive radio (CR) is considered an important solution to the current spectral scarcity, which is expected to be a significant issue in the next generation of wireless communication systems, namely, 5G. Wideband spectrum sharing and… read more here.
Keywords: prefix autocorrelation; frequency; spectrum; cyclic prefix ... See more keywords
A Novel Cyclic Prefix Configuration for Enhanced Reliability and Spectral Efficiency in OTFS Systems
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DOI: 10.1109/lwc.2023.3247893
Abstract: In practical transmission, orthogonal time-frequency-space (OTFS) is implemented using different prefix configurations including reduced-cyclic prefix (RCP) and full-CP (FCP). This letter presents a novel OTFS structure, which is a modification of the FCP structure in… read more here.
Keywords: configuration enhanced; prefix configuration; enhanced reliability; cyclic prefix ... See more keywords
Analysis of the Impact of AGC on Cyclic Prefix Length for OFDM Systems
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DOI: 10.1109/tcomm.2018.2834408
Abstract: In some orthogonal frequency division multiplexing (OFDM) systems, a number of OFDM symbols form one subframe and consecutive subframes may be allocated to different users. The power estimation and the gain adjustment need to be… read more here.
Keywords: subframe; ofdm systems; cyclic prefix; ofdm symbol ... See more keywords