imperfect channel state information
Performance analysis for high speed railway distributed antenna systems with imperfect channel state information
... with imperfect channel state information ...fading channel caused by the large Doppler ...thus, channel estimation error is usually inevitable and it may seriously degrade system ...
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Energy efficient uplink power control for multiuser SIMO systems with imperfect channel state information
... with imperfect channel state information (CSI) at the base station ...always imperfect due to the channel estimation error and delay, the imperfectness of the CSI needs to be ...
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Improved time and frequency synchronization in presence of imperfect channel state information
... and channel estimation using the max- imum a posteriori (MAP) criterion is ...and channel coefficients is ...for channel estimation and fine frequency synchronization, are not considered in the ...
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Performance analysis of cognitive underlay two way relay networks with interference and imperfect channel state information
... intermediate relay node. Each network node is equipped with a single antenna and operates under a half-duplex mode. The channel state information (CSI) interference from the secondary node to the ...
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Adaptive Transmit Antenna Selection and Power Allocation Scheme for Turbo-Blast System with Imperfect Channel State Information
... There have been some attempts to improve the performance of a traditional MIMO system. One such an approach is to incorporate a transmit power allocation strategy [4–8] into conventional MIMO system with equal power ...
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Exit Chart Aided Irregular Convolutional Code Design for Iterative Downlink SDMA Systems using Imperfect Channel State Information
... Spatio-Temporal Channel Impulse Response (ST-CIR) to be encountered, the MUT scheme exploits the unique, user- specific ST-CIRs accurately differentiating the user’s trans- mitted ...extrinsic information ...
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BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information
... of imperfect CSI on MU-MIMO in time division duplex (TDD) sys- tems is almost rarely ...of imperfect CSI caused by both CSI delay and channel estimation error on bit error rate (BER) for TDD downlink ...
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Joint Linear Processing for an Amplify-and-Forward MIMO Relay Channel with Imperfect Channel State Information
... is imperfect and the direct link is ...relay channel in terms of diversity. Moreover, in practice, channel estimation is required to obtain the CSI, where the estimation errors are inevitable due to ...
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Channel Capacity Bounds in the Presence of Quantized Channel State Information
... the channel, the Shannon capacity is achieved via updating the transmission power and rate relative to channel ...perfect channel information at the transmitter and receiver is an overly ...
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Reduction of Threshold-Based Feedback in Multi-Cellular Cluster Networks
... of channel state information in downlink clustered network MIMO system (CoMP) is ...the channel power of users and the users' distance from the transmitter ...by imperfect feedback of ...
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Massive MIMO performance with imperfect channel reciprocity and channel estimation error
... Abstract—Channel reciprocity in time-division duplexing (TDD) massive MIMO (multiple-input multiple-output) systems can be exploited to reduce the overhead required for the acquisition of channel ...
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Interference management with mismatched partial channel state information
... requires channel state information (CSI) in order to determine what resources are actually ...This information is acquired through feedback channel which is subject to several ...
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Group Activity Recognition Using Channel State Information
... In the data preprocessing phase of the research, the chan- nel state matrices were used to calculate the features and compile tables that could serve as data sets for the classi- fiers. The following time domain ...
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Research on Accounting Information Disclosure of the NEEQ Market
... accounting information disclosure is very important. Ac- counting information disclosure is that enterprises directly or indirectly issue the fiancé information that will make a big difference on the ...
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Biased beliefs and imperfect information
... existence of biased beliefs, catalog systematic regularities and better understand the underlying causes. To that end we design an incentivized experiment in order to assess the role of information availability in ...
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Protect sensitive information against channel state information based attacks
... the channel interference between the safe wireless transmitter and the target public AP will weaken, however, there still exists channel interference between the safe wireless transmitter and the target ...
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Cryptocurrency, Imperfect Information, and Fraud
... this channel the general equilibrium e¤ect, and through this e¤ect, an individual buyer’s strategy on double spending not only in‡uences her counterparty’s incentive to produce but also generates externality to ...
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An Efficient Cross-Layer Scheduling with Partial Channel State Information
... In this paper, our objective is to design a cross-layer scheduler for OFDMA systems consisting of users with mixed traffics and heterogeneous delay requirements. To achieve this objective, priority levels are assigned at ...
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Performance Analysis of Space Time Frequency Coding In Ofdm Systems for Future Wireless Communications
... of channel estimation ...MIMO-OFDM channel estimation, there is very little development on channel estimation techniques that are based on power ...
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Iterative decoding with imperfect channel estimation for wireless systems.
... integrated channel estim ation for Rayleigh flat-fading ...noisy channel estim ates. T h e algorithm consists of a channel estim ator th a t can reduce th e error variance of th e channel ...
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