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Digital signal processing issues for wireless communication systems in Line of Sight(LOS) and Non Line of Sight (NLOS) environments

2016 International Conference on Circuit, Power and Computing Technologies (ICCPCT), 2016
This paper is written to convey the digital signal processing (DSP) issues experienced by wireless communication systems which are the limiting factors for enhanced spectral efficiency, link reliability and data rate, with respect to physical (PHY) layer and network throughput, latency and propagation delay pertaining to network layer for future ...
M. PremKumar   +3 more
openaire   +1 more source

A statistical model for line-of-sight (LOS) factory radio channels

IEEE 39th Vehicular Technology Conference, 2003
A statistical model, based on experimental data, is presented to characterize the multipath propagation medium in typical manufacturing environments. This model includes the statistics of multipath propagation characteristics for cases of light and heavy clutter in a factory where there is a direct path from transmitter to receiver.
P. Yegani, C.D. McGillem
openaire   +1 more source

Sliding mode control based line-of-sight (LOS) stabilization of electro-optical sighting system

2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016
Electro-optical sighting systems are used for surveillance, target acquisition and tracking. The stabilization of the line of sight (LOS) against vehicle-induced disturbances is an essential feature of the electro-optical gimbaled sighting systems, mounted on mobile platforms.
Shashi Singh   +3 more
openaire   +1 more source

Performance of LED for line-of-sight (LoS) underwater wireless optical communication system

Journal of Optical Communications, 2020
Abstract Underwater wireless optical communications (UWOC) recently emerge as a solution to the problem of underwater communication for link with a high data rate, low delay, safety, and high immunity. In this study, the line of sight (LoS) method based on LED used for UWOC with different modulation schemes.
Alaa G. Nasser, Mazin Ali A. Ali
openaire   +1 more source

Test and Measurement on a 60 GHz Line of Sight (LOS) Communication Link

IETE Technical Review, 2003
To design and implement a 60 GHz based Multimedia Mobile Communication (MMC) system, we wish to incorporate the latest state-of-art Digital Video Broadcasting (DVB) and Spread Spectrum/Code Division Multiple Access (SS/CDMA) technologies. Accordingly, we have studied experimentally those two technologies through experimentation at C-band systems, not ...
R Bera, Sanjib Sil, H Sarkar, J Bera
openaire   +1 more source

An efficient ‘image-based’ indoor propagation model for line-of-sight (LOS) and non-LOS applications

IEE Colloquium on `Propagation in Buildings', 1995
A three dimensional `image-based' ray tracing algorithm for indoor environments is presented. The model is capable of predicting wideband as well as narrowband propagation information for single floor scenarios. To show the practicality of such a model, the ray tracing engine has been used to investigate a typical indoor environment.
Athanasiadou, GE, Nix, AR, McGeehan, JP
openaire   +2 more sources

Experimental and analytical investigation of MIMO channel capacity in an indoor line-of-sight (LOS) environment

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754), 2005
The paper present the results of a multiple-input multiple-output (MIMO) channel capacity measurement experiment conducted in an indoor line-of-sight (LOS) office environment. Channel responses were taken systematically with varying distance in a static indoor environment. Results showed measurements with high received signal-to-noise ratio (SNR) and a
Hai-Yeow-Eugene Chua   +2 more
openaire   +1 more source

Performance Evaluation of Line of Sight (LoS) in Mobile Ad hoc Networks

2020
The era of multimedia communication is a major part and partial of each and every user life each task now depends very much on the Internet. Line-of-sight is the biggest problem many are facing, while using Internet. In particular, the problem of mobile station tracking at various base stations is considered.
C. R. Chethan   +2 more
openaire   +1 more source

Evaluating dynamic stability in aerial imaging systems: A comprehensive model for Line of Sight (LOS) jitter

Measurement: Journal of the International Measurement Confederation
Motong Hu
exaly   +2 more sources

Rain fade margin of terrestrial line-of-sight (LOS) links for 5G networks in Peninsular Malaysia

International Journal of Microwave and Wireless Technologies, 2021
AbstractAdvanced telecommunication systems are moving toward a high data transfer rate and wider bandwidth. The 5G communication network has recently been implemented for such aims. However, 5G networks operating with high operating frequency (typically above 20 GHz) could lead to impairments because of the atmospheric phenomena mainly precipitation ...
Shi Jie Seah   +3 more
openaire   +2 more sources

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