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Frequency Synchronization

Frequency Synchronization in OFDM System

Frequency Synchronization in OFDM System

... sequences. Synchronization based on PN-sequence preambles of- fered greater power reductions in stand-by model ...of frequency offset estimation to ...integral frequency offset (IFO) estimation ...

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A reduced complexity scheme for carrier frequency synchronization in uplink 802.16e OFDMA

A reduced complexity scheme for carrier frequency synchronization in uplink 802.16e OFDMA

... interference (ICI), multiple access interference (MAI), sig- nal attenuation, and a constant increment in the phase of the subcarriers. ICI is caused by the leakage or interfer- ence between a user’s own subcarriers, ...

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Design Space Exploration for Frequency Synchronization of BPSK/QPSK Bursts

Design Space Exploration for Frequency Synchronization of BPSK/QPSK Bursts

... All performance charts are obtained using bit-true C- models, which are a reference for our hardware realizations. Input data is sampled with 12 bit from an additive white gaussian noise (AWGN) channel and then fed into ...

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Improved time and frequency synchronization in presence of imperfect channel state information

Improved time and frequency synchronization in presence of imperfect channel state information

... fractional frequency offset (FFO) based on the ACF phase between the two halves of the first ...integer frequency offset (IFO) is estimated according to a cross-correlation func- tion (CCF) computed between ...

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PARAFAC based frequency synchronization for SC FDMA uplink transmissions

PARAFAC based frequency synchronization for SC FDMA uplink transmissions

... (DL) synchronization or Doppler shift induced by the mobility of ...Thus, frequency synchronization is a critical step in SC-FDMA transmissions just as in ...

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Carrier Frequency Synchronization in OFDM-Downlink LTE Systems

Carrier Frequency Synchronization in OFDM-Downlink LTE Systems

... carrier frequency synchronization in the downlink of 3GPP Long Term Evolution ...carrier frequency offset estimation and compensation scheme based on standardized synchronization signals and ...

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Timing and Frequency Synchronization in Practical OFDM Systems

Timing and Frequency Synchronization in Practical OFDM Systems

... uplink synchronization between the SSs and BS is realized by a contention based MC-CDMA ranging ...uplink synchronization are presented in Chapter 6 and ...

243

Research on Fusion Technology of Multi frequency Source in Time Frequency Synchronization Device

Research on Fusion Technology of Multi frequency Source in Time Frequency Synchronization Device

... In other words, the unequal weight fusion frequency minimizes the influence of poor frequency source, and the stability of fusion frequency is always close to the optimal frequency sourc[r] ...

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Optimized ARM-based implementation of DAB Time and Frequency Synchronization

Optimized ARM-based implementation of DAB Time and Frequency Synchronization

... proper synchronization for decoding of the received signal in order to obtain the original information ...(DAB), Synchronization plays an important role by locating each frame ...

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Fine Frequency Offset based Section Synchronization in Cognitive Radio Systems

Fine Frequency Offset based Section Synchronization in Cognitive Radio Systems

... contiguous frequency bands [8] [9] ...establish frequency synchronization without the spectrum synchronization information ...carrier frequency offset CFO estimation in OFDM systems has ...

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A Frame Synchronization and Frequency Offset Estimation Algorithm for OFDM System and its Analysis

A Frame Synchronization and Frequency Offset Estimation Algorithm for OFDM System and its Analysis

... a synchronization pattern in time domain, and a timing metric different from that of ...of frequency selective channel, the frequency offset estimate exhibits larger variance than in the AWGN chan- ...

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Primary Synchronization Signal Detection Algorithm in LTE A

Primary Synchronization Signal Detection Algorithm in LTE A

... In the LTE-A system, the cell search is a process of obtaining the ID number of the cell and acquiring the time-frequency synchronization with the base station using the synchronization signal. The ...

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Synchronization of Droop-Controlled Microgrids with Distributed Rotational and Electronic Generation

Synchronization of Droop-Controlled Microgrids with Distributed Rotational and Electronic Generation

... Furthermore, our analysis has addressed generic (possibly meshed) lossy networks, i.e. with nonzero transfer conduc- tances, while treating lossless microgrids as a special case. We have provided conditions to guarantee ...

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Orthogonal frequency division multiplex synchronization techniques for frequency selective fading channels

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- ence and the ...

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Detecting Power Grid Synchronisation Failure on Sensing Frequency or Voltage beyond Acceptable Range

Detecting Power Grid Synchronisation Failure on Sensing Frequency or Voltage beyond Acceptable Range

... the synchronization failure of any external supply source to the power grid on sensing the abnormalities in frequency and ...and frequency beyond the acceptable limit of the grid then the same feeder ...

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On the Practical Implementation of Propagation Delay and Clock Skew Compensated High-Precision Time Synchronization Schemes with Resource-Constrained Sensor Nodes in Multi-Hop Wireless Sensor Networks

On the Practical Implementation of Propagation Delay and Clock Skew Compensated High-Precision Time Synchronization Schemes with Resource-Constrained Sensor Nodes in Multi-Hop Wireless Sensor Networks

... time synchronization scheme based on the asyn- chronous source clock frequency recovery and the reverse two-way message exchange, which can compensate for both propagation delay and clock skew for higher ...

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Adler synchronization of spatial laser solitons pinned by defects

Adler synchronization of spatial laser solitons pinned by defects

... individually bistable. Investigations were performed on pairs of different LCS with a distance of 30 to 80 m. We focus here on a configuration of two LCS a distance of 79 m , but the results are typical also for the ...

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Adler synchronization of spatial laser solitons pinned by defects

Adler synchronization of spatial laser solitons pinned by defects

... As expected for the Adler scenario, in the locking re- gion, the fringe phase varies smoothly and quasilinearly with the detuning of the external cavity. It is much more noisy outside where the visibility is low. The ...

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Inductive Power Transfer System using Digital Controller based Matrix Converter

Inductive Power Transfer System using Digital Controller based Matrix Converter

... low frequency to high frequency at the transmitting ...resonance frequency tracking capability which enables power transfer at higher operating frequencies with low propagation ...

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Analysis of Synchronization Phenomena in Broadband Signals with Nonlinear Excitable Media

Analysis of Synchronization Phenomena in Broadband Signals with Nonlinear Excitable Media

... setting the limiting case P = 2 the coincidence rate C(A, B) will provide an estimate of zero-lag phase synchronization only. By decreasing the coincidence threshold P it is possible, however, to cover the regime ...

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