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indoor wireless data communications

Analysis and experimental evaluation of the frequency response of an indoor radiating cable in the UHF band

Analysis and experimental evaluation of the frequency response of an indoor radiating cable in the UHF band

... in wireless technology systems and devices has contributed to a greater concentration of mobile devices in specific locations as well as an increase in the data transmission ...Consequently, wireless ...

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Design considerations of conventional angle diversity receivers for indoor optical wireless communications

Design considerations of conventional angle diversity receivers for indoor optical wireless communications

... In order to calculate the outage probability and the average error probability, the IR channel model de- scribed in Section 2 using 2-pulse-position modulation (2-PPM) for eight arrangements of conventional angle ...

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Differential Amplitude Pulse Position Modulation for Indoor Wireless Optical Communications

Differential Amplitude Pulse Position Modulation for Indoor Wireless Optical Communications

... access wireless local area networks from portable personal computers and mobile devices has grown ...high data rates, thus the systems re- quire a large ...use indoor optical wireless ...

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Training sequence based frequency domain channel estimation for indoor diffuse wireless optical communications

Training sequence based frequency domain channel estimation for indoor diffuse wireless optical communications

... For simplicity, only major computational blocks of the proposed FD estimation algorithms are considered to evaluate the time complexity. Moreover, except for the operations related to the data processing, ...

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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

... (observed data = fitted Weibull) versus the alternative hy- pothesis H A : (observed data = fitted Weibull) by using the Kolmogorov-Smirnov (KS) goodness-of-fit ...

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Active patch array design and indoor channel modeling for future wireless communications

Active patch array design and indoor channel modeling for future wireless communications

... designed wireless system always requires the largest percentage of simultaneous signal coverage in the interested ...maximum data rate the receiver can obtain to avoid Inter-Symbol Interference ...a ...

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Genetic algorithm optimisation methods applied to the indoor optical wireless communications channel

Genetic algorithm optimisation methods applied to the indoor optical wireless communications channel

... the data signal DC ...the data rate will be in a given environment and for many indoor environments, where bandwidth the limiting factor, it is of great importance to utilise ...

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Two Stage Maximum Likelihood Estimation (TSMLE) for MT CDMA Signals in the Indoor Environment

Two Stage Maximum Likelihood Estimation (TSMLE) for MT CDMA Signals in the Indoor Environment

... multimedia communications is one of the challenges currently being addressed in the research do- main for the upcoming next generation wireless sys- tems [1, ...maximum data rate of 153 kbps ...

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Comparison of Indoor Localization Systems Based on Wireless Communications

Comparison of Indoor Localization Systems Based on Wireless Communications

... DV-Hop [19] is a method often cited as a reference in range-free propositions. It considers mobile nodes as unknowns and uses a logic similar to that of distance vector routing protocols to find the position. Each beacon ...

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The Age-Dependence of Personal Exposure to Electromagnetic Fields of Wireless Communications in Indoor Environments

The Age-Dependence of Personal Exposure to Electromagnetic Fields of Wireless Communications in Indoor Environments

... new wireless technologies, the measurements campaign is conducted according to the study proprietary measurement ...experimental data set with 161 280 ...

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Design of an Omnidirectional Multibeam Transmitter for High Speed Indoor Wireless Communications

Design of an Omnidirectional Multibeam Transmitter for High Speed Indoor Wireless Communications

... speed indoor wireless communication, diffuse wireless optical communications offer more robust optical links against shadowing than line-of-sight ...diffuse indoor optical wireless ...

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Curvature of Indoor Sensor Network: Clustering Coefficient

Curvature of Indoor Sensor Network: Clustering Coefficient

... the wireless protocol, as there is no way to predict how in general the clustering coefficient of a weighted graph would vary with the ...simulated data, real data A, and real data B, ...

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Indoor Positioning Using Nonparametric Belief Propagation Based on Spanning Trees

Indoor Positioning Using Nonparametric Belief Propagation Based on Spanning Trees

... Copyright © 2010 Vladimir Savic et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ...

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Spatial Dynamics of Indoor Radio Wideband Channels

Spatial Dynamics of Indoor Radio Wideband Channels

... This work is an initial step towards a spatially dependent channel model that will enable better design of indoor MIMO system and systems with terminal mobility. It offers a step in understanding the diffuse ...

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New indoor navigation system for visually impaired people using visible light communication

New indoor navigation system for visually impaired people using visible light communication

... of data is required to travel indoors, such as the accurate current position, travel direction, distance to the destin- ation, and information about the barriers and sur- ...an indoor positioning method, we ...

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Prefiltering-Based Interference Suppression for Time-Hopping Multiuser UWB Communications over MISO Channel

Prefiltering-Based Interference Suppression for Time-Hopping Multiuser UWB Communications over MISO Channel

... (3) Quite a few data-aided and blind timing acquisition schemes have been proposed [15–18] for UWB transmission through dense multipath channels. Synchronization in TR UWB scheme is extremely simplified since the ...

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Load balancing mechanisms for indoor temporarily overloaded heterogeneous femtocell networks

Load balancing mechanisms for indoor temporarily overloaded heterogeneous femtocell networks

... In femtocells, restrictions in the maximum number of connected users is much severe than in macrocells, due to the femtocell processing and capacity limitations. To the best of the authors’ knowledge, the use of the num- ...

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Green Communication :Current Scenario with special reference to Mobile Industry Growth and Potential

Green Communication :Current Scenario with special reference to Mobile Industry Growth and Potential

... subscriber’s data rate, and the roll out of additional base stations for next generation mobile ...of wireless network’s energy consumption that will cause an increase of the global carbon dioxide (CO2) ...

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Measurements of MIMO Indoor Channels at 1800 MHz with Multiple Indoor and Outdoor Base Stations

Measurements of MIMO Indoor Channels at 1800 MHz with Multiple Indoor and Outdoor Base Stations

... Both indoor and indoor-to-outdoor measurements are included in the study, mainly aiming to check the proper behavior of the channel model in different ...and data evaluation for an ...

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Improving HSDPA Indoor Coverage and Throughput by Repeater and Dedicated Indoor System

Improving HSDPA Indoor Coverage and Throughput by Repeater and Dedicated Indoor System

... for indoor planning and optimization using an outdoor-to-indoor repeater or a dedicated indoor ...an indoor environment. The capabilities of an outdoor-to-indoor analog WCDMA repeater ...

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