Characterizing and modelling of indoor radio propagation channel at ISM band
Other Title(s)
توصيف و نمذجة قناة انتشار راديوية داخلية في حزمة أي أس أم
Joint Authors
Abd Allah, Abd al-Karim Sawadi
Izz al-Din, Yasar
Source
Basrah Journal for Engineering Sciences
Issue
Vol. 6, Issue 1 (31 Dec. 2006), pp.1-10, 10 p.
Publisher
University of Basrah College of Engineering
Publication Date
2006-12-31
Country of Publication
Iraq
No. of Pages
10
Main Subjects
Telecommunications Engineering
Topics
Abstract AR
تمت دراسة و تقصي الانتشار الداخلي للموجات الكهرومغناطيسية في حزمة (أي-أس-أم) التي اكتسبت أهمية كبيرة في الآونة الأخيرة خصوصا في تشغيل أنظمة الاتصالات الشخصية و الشبكات المحلية اللاسلكية داخل المباني.
و لقد تمت دراسة تأثير زاوية السقوط، و سمك مواد البناء على معاملات انعكاس الموجات الكهرومغناطيسية في حالتي الاستقطاب الأفقي و العمودي.
و لقد تم اقتراح نموذج تتبع ثنائي الأبعاد للشعاع الكهرومغناطيسي لغرض حساب تأثير الخصائص الكهرومغناطيسية للمباني على طبيعة الانتشار الداخلي للموجات الكهرومغناطيسية، و تم حساب مستوى قدرة الإشارة، تشتت التأخير الفعال، و عرض الحزمة المتماسك.
و أظهرت النتائج بأن تشتت التأخير الفعال يكون أكثر حساسية للخصائص الكهرومغناطيسية لمواد البناء و اعتماده أساسا على مدى انعكاسيتها.
Abstract EN
The investigation of the indoor electromagnetic propagation has been performed at the unlicensed industrial, scientific, and medical (ISM) band, which has gained increased attention recently due to high data rate communication systems developed to operate in it.
The effect of.
the incidence angle and materials thicknesses on the reflection coefficients for both horizontal and vertical polarization has been studied.
Two-dimensional ray-tracing model has been suggested to simulate the influence of buildings electromagnetic properties on indoor radio channel characteristics, such as signal level, rms delay spread, and coherence bandwidth.
Results show that the influence of the permittivity is more important than the influence of the order of reflection considered for the ray- tracing model.
It is also shown that, compared with power level, rms delay spread is more sensitive to the building dielectric parameters.
Maximum rms delay spread is dependent mainly on the reflectivity of the walls which dependent on the dielectric parameters.
American Psychological Association (APA)
Abd Allah, Abd al-Karim Sawadi& Izz al-Din, Yasar. 2006. Characterizing and modelling of indoor radio propagation channel at ISM band. Basrah Journal for Engineering Sciences،Vol. 6, no. 1, pp.1-10.
https://search.emarefa.net/detail/BIM-347937
Modern Language Association (MLA)
Abd Allah, Abd al-Karim Sawadi& Izz al-Din, Yasar. Characterizing and modelling of indoor radio propagation channel at ISM band. Basrah Journal for Engineering Sciences Vol. 6, no. 1 (2006), pp.1-10.
https://search.emarefa.net/detail/BIM-347937
American Medical Association (AMA)
Abd Allah, Abd al-Karim Sawadi& Izz al-Din, Yasar. Characterizing and modelling of indoor radio propagation channel at ISM band. Basrah Journal for Engineering Sciences. 2006. Vol. 6, no. 1, pp.1-10.
https://search.emarefa.net/detail/BIM-347937
Data Type
Journal Articles
Language
English
Notes
Includes appendices : p. 7-10
Record ID
BIM-347937