imperfect channel
Space-time block coding with imperfect channel estimation and synchronization
... of imperfect channel estimation problem, a simplified Tarokh’s decision rule has been derived based on the pdf of the received signal ...the imperfect channel estimations and transmitted ...
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Distributed space time block coded transmission with imperfect channel estimation:achievable rate and power allocation
... of channel estimation error at the receiver on the achievable rate of distributed space-time block coded ...the channel gains and channel estimation error variances pertaining to different ...
9
Energy and spectral efficient Doppler diversity transmissions in high mobility systems with imperfect channel estimation
... of imperfect channel state information ...time-varying channel; thus, channel estimation errors might seriously degrade system performance in high-mobility ...between channel estimation ...
12
Improved time and frequency synchronization in presence of imperfect channel state information
... of imperfect channel state infor- ...of channel estimation strongly impacts the accuracy of symbol timing ...the channel estimation error improves the time synchronization ...best ...
17
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 ...both ...
12
Capacity Limits and Performance Analysis of Cognitive Radio With Imperfect Channel Knowledge
... of imperfect channel knowledge of the primary–secondary link on the SU mean capacity under a peak power constraint at the primary ...the imperfect CSI with a finite number of quantization ...
12
Performance analysis of transmit antenna selection for cognitive radio systems with imperfect channel estimation
... of imperfect channel knowledge of the primary-secondary links under the peak interference con- straint at PU and the maximum transmit power limit at ...fect channel knowledge, the maximum transmit ...
9
SER/BER expression for M QAM OFDM systems with imperfect channel estimation and I/Q imbalance
... Closed form expressions for SER/BER performance for the M-QAM modulated OFDM system in frequency selective Rayleigh fading channel under the effect of trans- mitter and receiver I/Q imbalance and imperfect ...
14
Massive MIMO performance with imperfect channel reciprocity and channel estimation error
... with imperfect channel estimation suffers more from the reciprocity errors, such that more than 10 dB SINR loss can be experienced in the case with the high-level reciprocity error, compared with the ...
16
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 considered in ...
11
BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information
... the channel estimation error and/or CSI delay (or mobile velocity) increase(s), and an error floor is evident at high SNR for the cases with CSI delay, which agrees with our summary about imperfect CSI ...
9
Self interference suppression with imperfect channel estimation in a shared antenna full duplex massive MU MIMO system
... SI channel rather than Rayleigh channel model, the uplink and downlink channels in our model are completely dependent on each other, because the same antenna array is employed for the signal receive and ...
13
Performance analysis of cognitive underlay two way relay networks with interference and imperfect channel state information
... under imperfect CSI ...for imperfect CSI such as [29] evalu- ated the multi-stage secondary system quality, while [30] studied a cooperative transmission secondary system in Nakagami-m ...
10
Signal Detection in Space-Time Coded Communication Systems with Imperfect Channel Estimation and Carrier Frequency Offset
... require Channel State Information to perform ...receiver, channel estimation is performed and the estimates are used ...are imperfect and since these receivers are designed with the assumption that ...
108
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 ...
13
Analysis of Spectrum Sensing over Imperfect Channel conditions in Cognitive Vehicular Networks
... In the above scenario, we consider the wireless channels, which have no correlation in space but are temporally correlated following the Jakes’ model of land mobile fading channel (Table 2.1 in [15]). Let ρ ( τ ) ...
19
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 ...
72
Robust Transmit Beamforming for SWIPT Enabled Cooperative NOMA with Channel Uncertainties
... better channel conditions adopts power splitting (PS) scheme and acts as an energy-harvesting relay to transmit information to the weak ...of channel uncertainties is considered and incorporated in our ...
12
Analysis of Cognitive Radio Capacity in Fading Channels
... access channel in a cognitive radio system under hyper fading channel, Gaussian fading and Nakagami fading channels along with number of secondary ...with imperfect channel sensing [10] and ...
6
Distributed Emitter Detector Design under Imperfect Communication Channel
... However, channel imperfection arising out of the presence of a binary symmetric channel is an important issue considered in this ...an imperfect channel linking the sensors and the fusion ...
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