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indoor propagation

Outdoor to indoor Propagation Characteristics of 1900 MHz Signals in Macro cellular Environments for GSM and UMTS Systems

Outdoor to indoor Propagation Characteristics of 1900 MHz Signals in Macro cellular Environments for GSM and UMTS Systems

... Several studies regarding measurements-based outdoor-to-indoor building penetration loss characterization and modeling have been published [2-13]. The buildings examined in these publications range from small ...

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STUDY OF VARIOUS INDOOR PROPAGATION MODELS

STUDY OF VARIOUS INDOOR PROPAGATION MODELS

... Indoor Propagation modeling is demanded for the maintenance of indoors-wireless ...services. Propagation models provide estimates of signal strength and time dispersion in many indoor ...of ...

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Improvement of Lafortune Lacrous Indoor Propagation Model at 1900 MHz Band

Improvement of Lafortune Lacrous Indoor Propagation Model at 1900 MHz Band

... Abstract A new improvement approach to Lafortune-Lecours indoor propagation model is presented. Taking into consideration; different types of walls that have been not considered in the model. The concrete ...

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Optimizing Environmental Parameters for Precision Indoor Propagation of Day-neutral Strawberry.

Optimizing Environmental Parameters for Precision Indoor Propagation of Day-neutral Strawberry.

... strawberry indoor propagation concluded that stock plant photosynthesis was the major source of daughter plants production and that daughter plants have little contribution to the development of new ...

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Indoor propagation prediction and measurements within multistory building for wireless LAN applications

Indoor propagation prediction and measurements within multistory building for wireless LAN applications

... This project is aiming to predict and measure the signal strength of wireless LAN in a multi storey building (Kolej Perdana) in the University Of Technology Malaysia in order to Obtain best efficiency and coverage of ...

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Measurement and evaluation of radar cross section for furniture in an indoor propagation channel

Measurement and evaluation of radar cross section for furniture in an indoor propagation channel

... Abstract. This paper has attempted to evaluate the radar cross section (RCS) of two furniture items in an indoor en- vironment in a frequency range of 3–7 GHz of the ultra- wideband (UWB) range. The RCS evaluation ...

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Analysis of Outdoor and Indoor Propagation at 15 GHz and Millimeter Wave Frequencies in Microcellular Environment

Analysis of Outdoor and Indoor Propagation at 15 GHz and Millimeter Wave Frequencies in Microcellular Environment

... multipath propagation in an outdoor and indoor microcellular environment has been carried out at higher frequencies ...environment. Indoor simulation routes and an indoor static point were ...

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Simulation and Analysis of 60ghz Millimeter-Wave Indoor Propagation Characteristics Base on the Method of Sbr/Image

Simulation and Analysis of 60ghz Millimeter-Wave Indoor Propagation Characteristics Base on the Method of Sbr/Image

... complex propagation environment, and it can find all the radio wave propagation paths from the transmitter to the receiver with high accuracy and computational ...wave propagation. In this paper, 60 ...

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Enhanced Outdoor to Indoor Propagation Models and Impact of Different Ray Tracing Approaches at Higher Frequencies

Enhanced Outdoor to Indoor Propagation Models and Impact of Different Ray Tracing Approaches at Higher Frequencies

... building exterior wall penetration loss also known as building penetration loss, floor (ceiling) penetration loss, indoor propagation (room penetration) loss, and angular wall loss [2]. Several ...

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60 GHz Indoor Propagation Studies for Wireless Communications Based on a Ray Tracing Method

60 GHz Indoor Propagation Studies for Wireless Communications Based on a Ray Tracing Method

... GHz propagation study and it is employed to obtain power delay profiles (PDPs) for the in- door propagation ...the indoor propagation channel considered in this ...

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ANN Based Model for Predicting RF Signal Received Power in Indoor Propagation Links

ANN Based Model for Predicting RF Signal Received Power in Indoor Propagation Links

... Now we analyze the second strategy to selecting the training set, i.e., a path-type oriented selection. In this case, the training process was separately carried out for each type of propagation path. Training the ...

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Index Terms - Radio Wave Propagation, Doppler Effect, indoor propagation models, path loss

Index Terms - Radio Wave Propagation, Doppler Effect, indoor propagation models, path loss

... propagate in a substrate and their speed does not depend on a frame of reference. However, the base concept is the same: a frequency shift is caused by the speed of the transmitter in relation to the receiver. A lot of ...

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A Reaction Diffusion Model for Wireless Indoor Propagation

A Reaction Diffusion Model for Wireless Indoor Propagation

... The model takes into account multipath propagation but only takes as a measurement the so called dominant path of propagation. The dominant path is defined to describe all rays passing the same room and ...

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Cognitive Selection Mechanism for Indoor Propagation

Cognitive Selection Mechanism for Indoor Propagation

... A. F. Ismail is currently serving as a lecturer at the Department of Electrical and Computer Engineering, Faculty of Engineering, International Islamic University Malaysia. He completed his bachelor degree studies in ...

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GSM, outdoor-to-indoor propagation,

GSM, outdoor-to-indoor propagation,

... Abstract— Building penetration loss at 850 MHz and 1900 MHz bands in suburban environment is measured. The measurements are conducted in real GSM networks. Four buildings are studied aiming to provide first-order ...

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Item level characterization of mm wave indoor propagation

Item level characterization of mm wave indoor propagation

... Things have started changing with the massive advent of multi-antenna solutions (MIMO), already included in the 802.11ad and 4G (LTE) standards, and also considered for the future 5G systems [4–6], where system perform- ...

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Advanced 3D indoor propagation model: calibration and implementation

Advanced 3D indoor propagation model: calibration and implementation

... typical indoor scenario (primary scenario), calibrate the model using measured data to obtain a “ universal ” set of materials as a result of optimisation ...

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Modeling the Effect of Periodic Wall Roughness on the Indoor Radio Propagation Channel

Modeling the Effect of Periodic Wall Roughness on the Indoor Radio Propagation Channel

... Radio propagation in wave guiding structures such as tunnels, canyons and corridors have received increasing interest from cellular networks operators and the research ...Moreover, indoor propagation ...

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Empirical Investigation of Indoor/NLOS Propagation at Millimeter Wave Bands For Gigabits Throughput Realization: 24 And 60ghz Links

Empirical Investigation of Indoor/NLOS Propagation at Millimeter Wave Bands For Gigabits Throughput Realization: 24 And 60ghz Links

... peculiar propagation characteristics of atmospheric absorption and free space path losses, notwithstanding, can support high throughput rate to the other of gigabits per seconds (Gbps) using their wide spectral ...

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Propagation modelling and measurements in a populated indoor environment at 5.2 GHz

Propagation modelling and measurements in a populated indoor environment at 5.2 GHz

... that indoor propagation is also very strongly influenced by a number of environmental factors: the relative locations of transmit and receive antennas, the layout of the particular building under ...

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