selective channels
Receivers and CQI Measures for MIMO-CDMA Systems in Frequency-Selective Channels
... frequency-selective channels, in order to avoid the complications of multidimensional ...multipath channels, and show that in this case successive decoding achieves ...
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Maximum-LikelihoodSemiblind Equalization of Doubly Selective Channels Using the EM Algorithm
... doubly selective channels and single-carrier systems is ...doubly selective channel as an FIR filter where each filter tap is modeled as a linear combination of basis ...
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Design of Nonuniform Filter Bank Transceivers for Frequency Selective Channels
... In this paper, we consider the design of nonuniform transceiver for frequency selective channels. Both the cases of integer and rational sampling factors are considered. As the effect of channel is taken ...
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Volume Exclusion in Calcium Selective Channels
... Ion channels are essential for the proper function of cells and organisms ...ion channels is to pass ions through their pore ...(Ca) channels play an important role in vital physiological functions ...
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Signal Detection for OFDM IDMA Uplink over Doubly Selective Channels
... (doubly selective) ...quasi-static channels will result in significantly performance ...doubly selective channels. Firstly, the impact of time-varying channels for OFDM-IDMA uplink is ...
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Estimation and Direct Equalization of Doubly Selective Channels
... In this paper, we have proposed channel estimation and di- rect equalization techniques for transmission over doubly selective channels. In particular, we have proposed PSAM, blind, and semiblind ...
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SECURE PACKETS IN WIRELESS SENSOR NETWORKS BASED ON FREQUENCY SELECTIVE CHANNELS
... JAN-FEBRUARY, 2015, VOL-III/XVI www.srjis.com Page 2757 concurrently in the 2.4 GHz band; thus the experiments were performed in a real-world environment with unpredictable factors. The environment contained concrete ...
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Improved Diversity Analysis of Coded OFDM in Frequency Selective Channels
... MIMO channels, single beamforming carryingonly one symbol at a time achieves full diversity but spatial multiplexing without channel codingresults in the loss of the full diversity ...
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On Limits of Multi-Antenna Wireless Communications in Spatially Selective Channels
... By introducing the previously ignored spatial aspects, namely the antenna ar- ray geometry and the scattering environment, into a novel channel model new bounds and fundamental limitations to MIMO capacity are derived ...
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rENaC is the predominant Na+ channel in the apical membrane of the rat renal inner medullary collecting duct
... ion channels detected in the cell-attached configuration were highly selective for Na+ (Li+) over ...cation channels with a higher conductance (25-30 pS), known to be present in IMCD cells, were not ...
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Efficient Bidirectional DFE for Doubly Selective Wireless Channels
... doubly selective channels, equalization is ...doubly selective channel is described using a basis expansion ...dispersive channels, it is well known that nonlinear equalization outperforms ...
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Successive interference cancellation schemes for time-reversal space-time block codes
... frequency-flat channels and suffer performance degradation over frequency-selective ...frequency- selective environment, by combining STBCs with other schemes, do not fully make use of the properties ...
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Joint CFO Estimation and Data Detection in OFDM systems
... frequency selective fast fad- ing ...frequency selective fast fading channel can only happen in high mobility, such as avionic ...systems, channels are frequency ...frequency selective ...
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Orthogonal frequency division multiplex synchronization techniques for frequency selective fading channels
... Following the above brief historical overview of OFDM developments, in this paper we focus our attention on the various synchronization problems of OFDM schemes in the context of a range of coherently and noncoherently ...
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A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... frequency-selective channels, this paper pursues a channel estimation approach in time domain for both space-frequency OFDM (SF-OFDM) and space-time OFDM (ST-OFDM) systems based on AR channel ...
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Implementation of Transmit Diversity Schemes
... frequency selective fading channels is performed and it is observed from the simulations results that SFBC is efficient and effective transmitter diversity technique when normalized Doppler frequency is ...
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Analysis and implementation of OFDM system and channel estimation based IEEE 802 11A
... where � � , ∆ � and N are the symbol duration, the sub channel space and the number of sub channels of OFDM signals respectively. At the receiver, for demodulating the OFDM signal, the symbol duration must be long ...
6
Restless Watchdog: Selective Quickest Spectrum Sensing in Multichannel Cognitive Radio Systems
... variance of measurement error incurred by fading, noise and interference. We assume that the signal-to- noise ratio (SNR) is 10 dB. Note that the normality assumption is mainly for simplicity of simulation and is correct ...
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Mechanism of resveratrol induced relaxation in the human gallbladder
... potassium channels; cAMP: Cyclic adenosine monophosphate; cGMP: Cyclic guanosine monophosphate; CTX: ω -conotoxin GVIA; eNOS: endothelial NOS; L-NNA: NG-Nitro-L-arginine; nNOS: neuronal NOS; NO: Nitric oxide; ...
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Abstract: Voltage-gated proton channels are highly proton selective ion channels that are present in many cells. Although their unitary
... proton channels recently left the ranks of a shrinking number of ion channels whose genetic and molecular identity is ...2+ channels, including the highly charged S4 region that is be- lieved to be ...
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