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digital frequency offset estimation

Fast Synchronization Scheme for GSM at Lower SNR

Fast Synchronization Scheme for GSM at Lower SNR

... carrier offset estimation and symbol timing offset estimation for MSK signals 6 ...joint frequency and timing recovery was suggested using MSK modulation technique that incorporated an ...

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Carrier Frequency Synchronization in OFDM-Downlink LTE Systems

Carrier Frequency Synchronization in OFDM-Downlink LTE Systems

... terrestrial digital TV broadcasting which are sophisticatedly developed using ...Orthogonal frequency division multiplexing (OFDM) is a modulation technique that achieves high data rates, increased ...

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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

... less metropolitan area network. He received M.S. degree in com- munication systems and signal processing from International In- stitute of Information Technology, Hyderabad, India, in June 2005. Presently he is working ...

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Carrier Frequency Offset Estimation and I/Q Imbalance Compensation for OFDM Systems

Carrier Frequency Offset Estimation and I/Q Imbalance Compensation for OFDM Systems

... Orthogonal frequency division multiplexing (OFDM) tech- nique has been extensively used in communication systems such as wireless local area networks (WLAN) and digital broadcasting ...the digital ...

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USRP Based Digital Audio Broadcasting Using OFDM in Virtual and Remote Laboratory

USRP Based Digital Audio Broadcasting Using OFDM in Virtual and Remote Laboratory

... and frequency offset estimation that improve performance of OFDM for wireless communications Lastly the simulation results found with the help of working setup of OFDM system implementation using ...

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TWO APPROACHES ON CARRIER FREQUENCY OFFSET ESTIMATION IN MIMO OFDM SYSTEMS

TWO APPROACHES ON CARRIER FREQUENCY OFFSET ESTIMATION IN MIMO OFDM SYSTEMS

... orthogonal frequency division multiplexing (MIMO-OFDM) is a remedial solution for next generation wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), and fourth-generation mobile ...

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Carrier Frequency Offset Estimation for OFDM Systems Using Time/Frequency-Domain Techniques

Carrier Frequency Offset Estimation for OFDM Systems Using Time/Frequency-Domain Techniques

... OFDM is a combination of modulation and multiplexing. Multiplexing generally refers to independent signals, those produced by different sources. In an OFDM system, the input bit stream is multiplexed into N symbol ...

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RF-Pilot Based Frequency Offset Estimation and Phase Noise Compensation for CO-OFDM Systems

RF-Pilot Based Frequency Offset Estimation and Phase Noise Compensation for CO-OFDM Systems

... of frequency domain samples without requiring any extra training ...to digital converter (ADC)) can be obtained, with the estimation accuracy that is definitely determined by the number of samples ...

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Carrier frequency offset estimation for OFDM systems with time-varying DC Offset

Carrier frequency offset estimation for OFDM systems with time-varying DC Offset

... radio frequency (RF) signal due to the finite isolation between input ports of mixer [10-13], as shown in Figure ...CFO estimation [14-19]. CFO estimation for OFDM systems with static DCO had been ...

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Carrier Frequency Offset Estimation in Multiuser Simultaneous Channel Access for MIMO OFDM based WLANs

Carrier Frequency Offset Estimation in Multiuser Simultaneous Channel Access for MIMO OFDM based WLANs

... Orthogonal frequency division multiplexing has found applications in various digital communication systems, such as digital audio/ video broadcasting and wireless local area networks ...carrier ...

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Frequency Synchronization in OFDM System

Frequency Synchronization in OFDM System

... The estimation range can be made as large as de- sired without the need of the second training symbol ...set estimation methods with modification in the training structure and found a smaller estimator ...

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A Practical Scheme for Frequency Offset Estimation in MIMO OFDM Systems

A Practical Scheme for Frequency Offset Estimation in MIMO OFDM Systems

... Orthogonal frequency-division multiplexing (OFDM) is an attractive modulation technique for wideband wireless communications due to its robustness against multipath distortions and flexibility in allocating power ...

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Channel Estimation with Improved OFDM

Channel Estimation with Improved OFDM

... Orthogonal frequency division multiplexing (OFDM) is a novel technology which stands as a promising choice for future data rate ...European digital audio broadcasting and video broadcasting ....Orthogonal ...

6

Joint CFO and DOA estimation for multiuser OFDMA uplink

Joint CFO and DOA estimation for multiuser OFDMA uplink

... DOA estimation scheme for OFDMA uplink ...CFO estimation using 1D search, its multiple DOAs can also be obtained simultaneously by polynomial rooting, which is one unique property of our ...

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Modified Cramer Rao bound for M FSK signal parameter estimation in Cauchy and Gaussian noise

Modified Cramer Rao bound for M FSK signal parameter estimation in Cauchy and Gaussian noise

... low frequency communications [7] and shallow underwater acoustic com- munications ...of frequency estimations for complex sinusoid signals in symmetric alpha stable ...M-ary frequency-shift-keying ...

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Bit Error Rate Approximation of MIMO OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors

Bit Error Rate Approximation of MIMO OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors

... and frequency offset estimation errors (although the interference also comprises the fourth-order statistics of the frequency o ff set estimation errors, they are negligible as compared to the ...

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Carrier frequency offset estimation method for 2 × 1 MISO TDS OFDM systems

Carrier frequency offset estimation method for 2 × 1 MISO TDS OFDM systems

... (TDS)-orthogonal frequency division multiplexing (OFDM) systems, a pseudo noise (PN) sequence is inserted instead of the cyclic ...channel estimation and synchronization in the time ...channel ...

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Time Synchronization Algorithm for Wireless Sensor Networks Based on Frequency Offset Estimation

Time Synchronization Algorithm for Wireless Sensor Networks Based on Frequency Offset Estimation

... the frequency drift of nodes is not considered, and the synchronization accuracy is ...Bayesian estimation to improve the synchronization accuracy, but it cannot keep the long-term stability of synchroniza- ...

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LTESS-track: A Precise and Fast Frequency Offset Estimation for low-cost SDR Platforms

LTESS-track: A Precise and Fast Frequency Offset Estimation for low-cost SDR Platforms

... the frequency offset of the LO can be highly temperature ...LO frequency offsets need to be estimated quickly and compensated for a massive number of RTL-SDR devices deployed over a wide ...

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An Efficient Timing and Frequency Synchronization Algorithm for OFDMA/TDD Mode in Downlink of IEEE 802.16-2004 and its Analysis

An Efficient Timing and Frequency Synchronization Algorithm for OFDMA/TDD Mode in Downlink of IEEE 802.16-2004 and its Analysis

... and frequency synchronizationsare the important tasks in ...carrier frequency offset (CFO) estimation algorithm for orthogonal frequency division multiple access/ time division ...

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