channel impulse
Channel Impulse Response Length and Noise Variance Estimation for OFDM Systems with Adaptive Guard Interval
... estimating channel impulse response (CIR) length and noise variance for orthogonal frequency-division multi- plexing (OFDM) systems with adaptive guard interval (GI) length is ...the channel ...
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Channel impulse response equalization scheme based on particle swarm optimization algorithm in mode division multiplexing
... In[12], LMS and constant modulus algorithm (CMA) have been proposed to be used with MDM system. Although the LMS algorithm has a low computational complexity, its training sequence adds an overhead and thus reduces the ...
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A family of variable step-size affine projection adaptive filter algorithms using statistics of channel impulse response
... In this paper, we presented the novel VSS adaptive fil- ter algorithms such as VSS-SPU-NLMS, VSS-APA, VSS-SR-APA and VSS-SPU-APA based on prior knowledge of the channel impulse response statistic. These ...
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Improved Channel Estimation Algorithm for OFDM System over Slow Fading Rayleigh Channel
... selective channel into flat ...fading channel has adverse effect on the performance of Bit Error Rate ...fading channel. Channel estimation and equalization can reduce the impairments caused ...
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Frequency-Shift Zero-Forcing Time-Varying Equalization for Doubly Selective SIMO Channels
... time-varying channel impulse response, we derive the canonical frequency-domain representation of the minimal norm LTV-ZF equalizer, which allows one to implement it as a parallel bank of linear ...
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An Improved Technique of Channel Estimation for OFDM in DVB T2
... assisted channel estimation is widely applied in wireless communication systems due to its high rate transmission capability and its robustness to multi-path fading and ...improved channel estimation method ...
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Multilayer Authentication for Communication Systems Based on Physical Layer Attributes
... estimated channel impulse response (CIR) at the physical- layer, these CIRs are exploited at the transport layer, adding more randomness to the generated sequence numbers used in the 3-Way TCP/IP handshake ...
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Features and Principles of OFDM: A Brief Study
... sub channel orthogonality due to time-variant multipath channels in orthogonal frequency division multiplexing (OFDM) systems leads to inter-channel interference (ICI) which increases the error floor in ...
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Experiment and Analysis for Air to Ground Channel in 400 MHz Band
... the channel impulse response is observed by auto correlation of the output signal of the matched filter and the ZC pilot ...the channel is clear LOS, single peak like impulse will be observed ...
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Channel Simulation of Non imaging Optical MIMO Communication
... a channel simulation of an indoor optical wireless multiple-input-multiple-output (MIMO) system with non-imaging ...specifications, channel impulse response and channel capacity are ...
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Iterative Refinement Methods for Time-Domain Equalizer Design
... shortened channel impulse response. An ideal shortened channel impulse re- sponse would be zero-valued outside the window in order to yield zero ISI and infinite ...shortened channel ...
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Improved Adaptive Bit Error Rate Performance for Fading Channel Communication
... communication channel it has been shown that by using MIMO (Multiple Input Multiple Output) system architecture it is possible to increase that capacity ...the channel impulse response ...fading ...
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Statistical Modeling of Low-Latitude Long-Distance HF Ionospheric Multi-Mode Channels
... existing channel models commonly refer to the Watterson model ...[7]. Channel impulse response measurements for longer distance (more than 3000 km) have also been reported in [4–6], all of which were ...
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Channel Estimation for Powerline MC CDMA System
... powerline channel suffers from multipath fading, frequency selectivity and also impulsive ...powerline channel model, noise model and various types of available channel esti- ...assisted ...
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CRS aided MMSE algorithm for LTE Downlink
... In a real LTE system, the number of sampling points in an OFDM symbol is 2048 when the bandwidth is 20M. Hence, the points of real time - domain impulse response is 2048. The sampling interval in frequency domain ...
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Turbo coded Orthogonal Frequency Division Multiplex transmission of 8 kbps encoded speech
... Carrier Freqlwncp: Sampling Rate: Channel Impulse Response: Normalised Doppler Frequency: OFDM Number of Sub-Carriers: Cyclic Extension: Data Sub-Carriers: Pilot Sub-Carriers: Modulation[r] ...
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Physical layer simulation results for IEEE 802.15.3c with different channel models
... on channel modelling in TG3c, since the propagation of the signal through 60 GHz wireless channels was not accurately described when the standardisation ...with channel impulse re- sponses (CIR) ...
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Impulse response estimation for the auralisation of vehicle engine sounds using dual channel FFT analysis
... In this work, we are interested specifically in the accurate auralisation of the sound of an engine at points inside and near to its vehicle, using a close-mic recording of the en- gine as the source signal. The idea is ...
7
The bank lending channel and monetary policy transmission when banks are risk averse
... The financial system has long been known to influence how monetary policy is transmitted through the aggregate economy 1 . Bernanke, Gertler, and Gilchrist (1999) study the rela- tionship between intermediated finance ...
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Impulse response estimation for the auralisation of vehicle engine sounds using dual channel FFT analysis
... Dual Channel Fast Fourier Transform (FFT) Analysis is investigated as a relatively fast and sim- ple method to obtain a broadband transfer function that can be used to derive a transformation filter [13, ...
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