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Channel State Information

Multi-user MIMO MMSE non-regenerative relaying using local channel state information

Multi-user MIMO MMSE non-regenerative relaying using local channel state information

... In this article, we investigate a two-hop relaying communication where all nodes are equipped with antenna arrays. We derive the multiple-input multiple-output (MIMO) processing matrices using the mean-squared-error cost ...

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Review paper on Massive 5G Wireless Systems with Channel State Information

Review paper on Massive 5G Wireless Systems with Channel State Information

... if Channel State Information (CSI) is known at BS uplink and downlink operate on orthogonal channels - TDD and FDD ...slow/fast channel fading conditions, several authors suggested adaptive ...

6

Find Me A Safe Zone:A Countermeasure for Channel State Information Based Attacks

Find Me A Safe Zone:A Countermeasure for Channel State Information Based Attacks

... Recently, channel state information (CSI) is shown to be an effective side-channel to perform attacks in public environments. Prior work has demonstrated that by analyzing how the CSI mea- ...

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Optimal Capacity Comparison of Decode And Forward Cooperative System w/wo Channel State Information

Optimal Capacity Comparison of Decode And Forward Cooperative System w/wo Channel State Information

... optimal channel capacity of cooperative system with or without channel state information (CSI) has been analyzed by simultaneously taking both relay location and power allocation into ...

7

Delayed Channel State Information: Incremental Redundancy with Backtrack Retransmission

Delayed Channel State Information: Incremental Redundancy with Backtrack Retransmission

... Abstract—In many practical wireless systems, the Signal-to- Interference-and-Noise Ratio (SINR) that is applicable to a certain transmission, referred to as Channel State Information (CSI), can only ...

7

Resource Allocation in MU OFDM Cognitive Radio Systems with Partial Channel State Information

Resource Allocation in MU OFDM Cognitive Radio Systems with Partial Channel State Information

... Copyright © 2010 Dong Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ...

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Performance limit of AOA based localization using MIMO OFDM channel state information

Performance limit of AOA based localization using MIMO OFDM channel state information

... We realize that the angle of arrival (AOA) estimation [10, 11] is an interesting study that can be applied for localization. Recently, it has been shown that multiple- input multiple-output (MIMO) orthogonal frequency ...

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Optimization of a MIMO amplify and  forward relay system with channel state information estimation error and feedback delay

Optimization of a MIMO amplify and forward relay system with channel state information estimation error and feedback delay

... This paper addresses the robust design of a multiple-input multiple-output amplify-and-forward relay system against channel state information (CSI) mismatch due to estimation error and feedback ...

8

Channel State Information Based Robust Relay Selection for Large-Scale Energy- Harvesting IOT Applications

Channel State Information Based Robust Relay Selection for Large-Scale Energy- Harvesting IOT Applications

... instantaneous channel state information (CSI), where best is defined in terms of the corresponding instantaneous signal-to-noise ratio (SNR) at the ...

5

Performance of Block Diagonalization Scheme for Downlink Multiuser MIMO System with Estimated Channel State Information

Performance of Block Diagonalization Scheme for Downlink Multiuser MIMO System with Estimated Channel State Information

... imperfect channel state information, which is obtained by the channel estimators at the mobile ...same channel estimator and they perform channel estimation ...

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Optimum Selection of Modes Set for Adaptive Modulation and Coding based on Imperfect Channel State Information

Optimum Selection of Modes Set for Adaptive Modulation and Coding based on Imperfect Channel State Information

... A new algorithm was designed for optimal selection of modes set for an adaptive modulation and coding transmission, while, imperfect channel state information is available. The selection was done ...

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Scalable HetNet interference management and the impact of limited channel state information

Scalable HetNet interference management and the impact of limited channel state information

... perfect channel knowledge is available and that the signalling overhead can be ...other state-of-the-art ...of channel state information on the interference management solution is ...

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Energy efficient uplink power control for multiuser SIMO systems with imperfect channel state information

Energy efficient uplink power control for multiuser SIMO systems with imperfect channel state information

... imperfect channel state information (CSI) at the base station ...the channel estimation error and delay, the imperfectness of the CSI needs to be considered in practical system ...

11

Performance analysis for high speed railway distributed antenna systems with imperfect channel state information

Performance analysis for high speed railway distributed antenna systems with imperfect channel state information

... imperfect channel state information ...fading channel caused by the large Doppler ...thus, channel estimation error is usually inevitable and it may seriously degrade system ...both ...

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Localization based on standard wireless LAN infrastructure using MIMO OFDM channel state information

Localization based on standard wireless LAN infrastructure using MIMO OFDM channel state information

... (MIMO-OFDM) channel state information (CSI) is proposed as a method that can be implemented on wireless local area networks of a current standard without affecting their protocol structures and that ...

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BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information

BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information

... available channel state information (CSI) at the transmitter ...through channel reciprocity to generate the precoding matrix in the downlink ...and channel estimation error between CSI ...

9

Efficient Transmission Schemes for Multiuser MIMO Downlink with Linear Receivers and Partial Channel State Information

Efficient Transmission Schemes for Multiuser MIMO Downlink with Linear Receivers and Partial Channel State Information

... full channel state information of all users which results in a considerably increased complexity compared to limited feedback schemes, or an approach similar to the one discussed in the previous ...

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Fast compression of OFDM channel state information with constant frequency sinusoidal approximation

Fast compression of OFDM channel state information with constant frequency sinusoidal approximation

... the channel state information (CSI) for an antenna pair is a vector of complex numbers, represent- ing the channel coefficients of the orthogonal frequency division multiplexing (OFDM) ...

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Performance analysis of cognitive underlay two way relay networks with interference and imperfect channel state information

Performance analysis of cognitive underlay two way relay networks with interference and imperfect channel state information

... Combining the two-way relay transmission technique with cognitive radio, one significantly increases system spectral efficiency. In [20], Duy et al. analyzed the quality of two-way relay transmission secondary systems in ...

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Practical Radio Link Resource Allocation for Fair QoS-Provision on OFDMA Downlink with Partial Channel-State Information

Practical Radio Link Resource Allocation for Fair QoS-Provision on OFDMA Downlink with Partial Channel-State Information

... limited channel state information ...The channel model includes path-loss, shadowing, and ...the channel average gain of each ...

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