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UWB channel

Experimental Characterization of a UWB Channel for Body Area Networks

Experimental Characterization of a UWB Channel for Body Area Networks

... unique UWB channel propagation characteristics around the human body is critical for a successful wireless system, especially for insuring the reliability of important vital sign ...GHz UWB ...

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UWB Channel Modeling Improvement in Indoor Line of Sight (LOS) Environments

UWB Channel Modeling Improvement in Indoor Line of Sight (LOS) Environments

... an UWB channel model with two deterministic clusters and sto- chastic arriving rays within each cluster were proposed ...The channel has the following response: ...

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Performance of Polar Codes for OFDM Based UWB Channel

Performance of Polar Codes for OFDM Based UWB Channel

... (UWB) channel suffers seriously from realis- tic ...indoor UWB based Orthogonal Frequency Division Multiplexing (OFDM) ...OFDM-based UWB sys- tem is investigated under UWB ...

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ARIMA based time variation model for beneath the chassis UWB channel

ARIMA based time variation model for beneath the chassis UWB channel

... efficient UWB communication system for IVWSNs there- fore requires introducing these time variations into the channel ...time-varying channel model allows optimizing system performance and robustness ...

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UWB System Based on the Modified Gegenbauer Function in MISO Channel

UWB System Based on the Modified Gegenbauer Function in MISO Channel

... The UWB system communicates using short-duration pulses lower than ...the channel propagation between the ...(AWGN) channel [8]. In order to introduce the multi channel effects, the modified ...

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Ultra-Wideband Source Localization Using a Particle-Swarm-Optimized Capon Estimator from a Frequency-Dependent Channel Modeling Viewpoint

Ultra-Wideband Source Localization Using a Particle-Swarm-Optimized Capon Estimator from a Frequency-Dependent Channel Modeling Viewpoint

... of UWB sources and frequency- dependence of the underlying propagation ...of UWB channel models: presence of local scattering, wideband ar- ray signals, and frequency-dependent dispersive ...the ...

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Particle Swarm Optimization Based Noncoherent Detector for Ultra-Wideband Radio in Intensive Multipath Environments

Particle Swarm Optimization Based Noncoherent Detector for Ultra-Wideband Radio in Intensive Multipath Environments

... of UWB receivers to resolve the di ff erent reflections in the channel has been greatly enhanced, which is in striking contrast to traditional narrowband ...realistic UWB chan- nels exhibit two ...

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Iterative Frequency-Domain Channel Estimation and Equalization for Ultra-Wideband Systems with Short Cyclic Prefix

Iterative Frequency-Domain Channel Estimation and Equalization for Ultra-Wideband Systems with Short Cyclic Prefix

... CM1–CM4 UWB channel models so as com- parisons are possible for the performance of the proposed receiver for different ...CM1 channel with full CP (no IBI) and perfect channel impulse response ...

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Evaluation Of The Performance Of UWB MB-OFDM System Under Four Indoor Channel Models Of IEEE802.15.4a Under Noisy Channel Conditions

Evaluation Of The Performance Of UWB MB-OFDM System Under Four Indoor Channel Models Of IEEE802.15.4a Under Noisy Channel Conditions

... IEEE802.15.4a Channel Models have been incorporated that were described in [4] Modified Saleh-Valenzuela Model proposed [7] is much adaptable model in designing various channels in UWB communication ...The ...

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MODELING OF BROADBAND LIGHT SOURCE FOR OPTICAL NETWORK APPLICATIONS USING FIBER 
NON LINEAR EFFECT

MODELING OF BROADBAND LIGHT SOURCE FOR OPTICAL NETWORK APPLICATIONS USING FIBER NON LINEAR EFFECT

... MBOFDM UWB channel output and the filtered channel output at the ...because UWB use unlicensed spectrum so that why it has less power compare to others devices by taking the PSD of the ...

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Investigation of Transmission, Propagation, and Detection of UWB Pulses Using Physical Modeling

Investigation of Transmission, Propagation, and Detection of UWB Pulses Using Physical Modeling

... of UWB transmission, including I- UWB pulse design [4][7][16-27], multiple access techniques [2][4][7-9] [13][14][17][28-30], channel estimation and synchronization [4][7][21][28][31-43], and ...

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NLOS Identification and Weighted Least-Squares Localization for UWB Systems Using Multipath Channel Statistics

NLOS Identification and Weighted Least-Squares Localization for UWB Systems Using Multipath Channel Statistics

... 802.15.4a channel model. The paper is orga- nized as follows. In Section 2, the UWB channel model and associated channel statistics to be used in NLOS identifica- tion are outlined, and the ...

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Ultra Wideband Channel Model for IEEE
                      802.15.4a and Performance Comparison of
                      DBPSK/OQPSK Systems

Ultra Wideband Channel Model for IEEE 802.15.4a and Performance Comparison of DBPSK/OQPSK Systems

... (propagation channel), this does not immediately explain why the problems happen ...the channel and its interaction with the system is required to design suitable UWB ...Hence UWB ...

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Multi user Detection Schemes for TH PPM UWB System using LDPC Codes

Multi user Detection Schemes for TH PPM UWB System using LDPC Codes

... wireless UWB System. Channel coding is another technique to reduce the multiuser access interference ...employs channel coding(LDPC Codes) with MUD schemes over UWB channel with TH PPM ...

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Analytical Investigation of Channel Capacity of UWB MIMO Systems

Analytical Investigation of Channel Capacity of UWB MIMO Systems

... of UWB-SISO systems was investi- gated in ...the channel capacity of M -ary PPM UWB systems. However, the UWB channel fading prop- erty was not taken ...the channel ca- pacity ...

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DESIGN AND IMPLEMENTATION OF HUMAN DIGITAL MODEL FOR TRANSPLANTED ORGAN MONITORING USING ARTIFICIAL INTELLIGENECE (AI)

DESIGN AND IMPLEMENTATION OF HUMAN DIGITAL MODEL FOR TRANSPLANTED ORGAN MONITORING USING ARTIFICIAL INTELLIGENECE (AI)

... using UWB channel, we performed simulations and measurements using simplified multilayer phantoms [19] and numerical investigations using realistic human phantom considering the effect of ...

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MMSE Adaptive Receiver vs. Rake Receiver Performance Evaluation for UWB Signals over Multipath Fading Channel

MMSE Adaptive Receiver vs. Rake Receiver Performance Evaluation for UWB Signals over Multipath Fading Channel

... reference UWB channel model by the IEEE ...the UWB propagation channel are; the extremely rich multipath components profile and the non-Rayleigh fading amplitude ...In UWB propagation ...

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Optimizing Reception Performance of new UWB Pulse shape over Multipath Channel using MMSE Adaptive Algorithm

Optimizing Reception Performance of new UWB Pulse shape over Multipath Channel using MMSE Adaptive Algorithm

... reference UWB channel model by the IEEE ...the UWB propagation channel are; its extremely rich multipath components profile and the non-Rayleigh fading amplitude ...In UWB propagation ...

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Design Of Antenna With Notch Filter To Support Multifunction Operation Standards In Wireless Communication Systems

Design Of Antenna With Notch Filter To Support Multifunction Operation Standards In Wireless Communication Systems

... This project will mainly focus on the design and analysis, testing and measurement of Micro-strip patch antenna captures by the communication system in the frequency range of UWB (3.1-10.6 GHz) except for WiMAX at ...

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Performance Comparison of Ed, TR and Dtr IR-UWB Receivers for Combined Pam-Ppm Modulation in Realistic UWB Channels

Performance Comparison of Ed, TR and Dtr IR-UWB Receivers for Combined Pam-Ppm Modulation in Realistic UWB Channels

... accurate channel estimation ...require channel estimation, which is traded for bit error rate (BER) performance degradation as compared to optimum coherent detectors ...

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