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high carrier frequency offset

Reverse Link Outage Probabilities of Multicarrier CDMA Systems with Beamforming in the Presence of Carrier Frequency Offset

Reverse Link Outage Probabilities of Multicarrier CDMA Systems with Beamforming in the Presence of Carrier Frequency Offset

... Figure 5 presents the outage probability versus SNR with di ff erent number of receive antenna elements. The NCFO ε and Nakagami fading parameter m are set to 0.1 and 1, respectively. We observe that as SNR increases, the ...

9

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

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

... a high rate data- stream into multiple lower rate data streams that are transmitted simultaneously over a number of sub ...[4] High peak to average power ratio (PAPR), Inter-channel/ Symbol interference ...

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Exact BER Analysis of OFDM Systems Communicating over Frequency Selective Fading Channels Subjected to Carrier Frequency Offset

Exact BER Analysis of OFDM Systems Communicating over Frequency Selective Fading Channels Subjected to Carrier Frequency Offset

... of frequency-selective Nakagami-m fading ...is high, the normalized CFO is small, the number of OFDM subcarriers is low and when the fading is less severe, the GA slightly over-estimates the ...

5

Development of OFDM based Cooperative Communication System for Mitigation of Effect of Carrier Frequency offset

Development of OFDM based Cooperative Communication System for Mitigation of Effect of Carrier Frequency offset

... timing offset, sample rate offset, phase noise, and carrier frequency offset each present their own unique set of ...in carrier frequency, a problem made worse by the ...

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New Detection Algorithms for Single Input Multiple Output Systems with Carrier Frequency Offset

New Detection Algorithms for Single Input Multiple Output Systems with Carrier Frequency Offset

... MIMO, as discussed in chapter 1.1 is the most practically implemented system that can effectively improve the QoS in the presence of multi-channel fading. Among different diversity schemes discussed in chapter 1.1, receive ...

110

Blind estimation of carrier frequency offset, I/Q imbalance and DC offset for OFDM systems

Blind estimation of carrier frequency offset, I/Q imbalance and DC offset for OFDM systems

... orthogonal frequency division multi- plexing (OFDM) [1], on the one hand, has attractive advantages such as high spectrum efficiency, robustness to multi-path fading and efficient implementation based on ...

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Performance Estimation Of PTS Based PAPR Reduction With CFO Optimization Of Multi Carrier CDMA System Over Frequency Selective Fading Channel

Performance Estimation Of PTS Based PAPR Reduction With CFO Optimization Of Multi Carrier CDMA System Over Frequency Selective Fading Channel

... for high speed data ...and carrier frequency offset and thus minimizing the Inter Carrier Interference (ICI) from the carrier signal ...and Carrier Frequency ...

7

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

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

... medium to high SNR region, all the algorithms except for LVD-EDE exhibit error floor. For MUE and NBE, it is due to the missing of TV-DCO in their signal models. For CP-DFE and CP-LSE, it is because the ...

6

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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Performance Improvement of OFDM System by Using ICI Self Cancellation Technique

Performance Improvement of OFDM System by Using ICI Self Cancellation Technique

... has high data trans mission capability with high bandwidth efficiency that’s why it has recently been applied in wireless communication ...Inter Carrier Interference (ICI) is due to OFDM system is ...

7

Frequency Offset Compensation In OFDM System Using Neural Network

Frequency Offset Compensation In OFDM System Using Neural Network

... of high PAPR (peak to average power ratio) and serious ICI (inter-sub-carrier ...or frequency offset seriously degrades system performance because it was break down the orthogonality between ...

6

Performance Improvement of ofdm System By using ici Self Cancellation Technique

Performance Improvement of ofdm System By using ici Self Cancellation Technique

... has high data transmission capability with high bandwidth efficiency that’s why it has recently been applied in wireless communication ...Inter Carrier Interference (ICI) is due to OFDM system is ...

7

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

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

... is lower than that of the conventional method. However, the MSE performance is much higher than that of the conventional method when the proposed transmission method and scheme using CSI are employed. In addition, the ...

10

MIMO OFDM Channel Estimation in the Presence of Carrier Frequency Offset

MIMO OFDM Channel Estimation in the Presence of Carrier Frequency Offset

... orthogonal frequency division multiplexing (OFDM) is expected to be a promising ...the carrier frequency offset (CFO) and the channel parameters is a great challenging ...the ...

7

Fast Synchronization Scheme for GSM at Lower SNR

Fast Synchronization Scheme for GSM at Lower SNR

... The high pace rise in the number of customers for communication systems and associated service provisioning has alarmed the requirement for certain optimal communication technique for optimal service of ...timing ...

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Low-complexity high-performance GFSK receiver with carrier frequency offset correction

Low-complexity high-performance GFSK receiver with carrier frequency offset correction

... We have considered high performance matched Þlter detectors for GFSK modulated signals. By analysing the possible transmitted sequences, a recursive low-cost implementation has been found. For popular transmission ...

5

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 ...single carrier ...

5

SYNCRONIZATION METHOD FOR CARRIER FREQUENCY OFFSET IN OFDM

SYNCRONIZATION METHOD FOR CARRIER FREQUENCY OFFSET IN OFDM

... the frequency spectrum of each data symbol allowed to occupy the entire available ...over frequency selective fading when the data rate is sufficient ...

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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 ...and carrier frequency offset (CFO) estimation algorithm for orthogonal frequency division multiple access/ time division ...

5

Joint CFO and DOA estimation for multiuser OFDMA uplink

Joint CFO and DOA estimation for multiuser OFDMA uplink

... A frequency estimation scheme for uplink OFDMA with interleaved SAS that exploits the periodic structure of the signals from each user has been reported in [13], where the subspace estimation theory was utilized, ...

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