Effects of integration time on rain rate distributions for microwave link design based on measurement in Malaysia /
The demand for radio frequency spectrum is rapid since the most desirable frequency spectrum is congested; hence 5G and satellite communications are moving forward to the frequency band utilization above 10 GHz. Frequency higher than 10 GHz is subjected to impairment by rain. ITU-R has established r...
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis |
| Language: | English |
| Published: |
Kuala Lumpur :
Kulliyyah of Engineering, International islamic University Malaysia,
2021
|
| Subjects: | |
| Online Access: | http://studentrepo.iium.edu.my/handle/123456789/11008 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| LEADER | 043350000a22004330004500 | ||
|---|---|---|---|
| 008 | 220421s2021 my a f m 000 0 eng d | ||
| 040 | |a UIAM |b eng |e rda | ||
| 041 | |a eng | ||
| 043 | |a a-my--- | ||
| 050 | 0 | 0 | |a TK7876 |
| 100 | 1 | |a Momin, Mullah |9 7712 |e author | |
| 245 | 1 | |a Effects of integration time on rain rate distributions for microwave link design based on measurement in Malaysia / |c by Mullah Momin | |
| 264 | 1 | |a Kuala Lumpur : |b Kulliyyah of Engineering, International islamic University Malaysia, |c 2021 | |
| 300 | |a xv, 80 leaves : |b colour illustrations ; |c 30 cm. | ||
| 336 | |2 rdacontent |a text | ||
| 337 | |2 rdamedia |a unmediated | ||
| 337 | |2 rdamedia |a computer | ||
| 338 | |2 rdacarrier |a volume | ||
| 338 | |2 rdacarrier |a online resource | ||
| 347 | |2 rdaft |a text file |b PDF | ||
| 500 | |a Abstracts in English and Arabic. | ||
| 500 | |a "A dissertation submitted in fulfilment of the requirement for the degree of Master of Science (Electronics Engineering)." --On title page. | ||
| 502 | |a Thesis (MSEE)--International Islamic University Malaysia, 2021. | ||
| 504 | |a Includes bibliographical references (leaves 76-79). | ||
| 520 | |a The demand for radio frequency spectrum is rapid since the most desirable frequency spectrum is congested; hence 5G and satellite communications are moving forward to the frequency band utilization above 10 GHz. Frequency higher than 10 GHz is subjected to impairment by rain. ITU-R has established rain attenuation prediction methods deduced from the measured rainfall rate with an integration time of 1-minute or less. However, recently, significant discrepancies in ITU-R prediction are found in the measurements of rain attenuation at mmWave bands for short-length propagation links. All researchers used rain intensity from 1- min integration time measurement, as not less than 1-minute data are unavailable. Therefore, this project aims to consider rain rate less than 1-minute integration time, investigate the effects of less than 1-minute integration time on rain rate distribution, and compare rain attenuation predictions using measured rain intensities with different integration times. A real-time rain gauge with a resolution of 10-secs integration time is installed in the International Islamic University Malaysia (IIUM) Gombak. A one-year measured rain rate data with integration times of 10-secs, 20-secs, 30-secs, 1- minute, and 2-minutes are utilized to analyze the effects of integration times on rain intensity distributions and rain attenuation predictions. From the analysis, it is found that at 0.01% probability, rain rates are 123 mm/hr and 191 mm/hr with 1-min and 10-secs integration times, respectively. At 0.1% and 0.001% probabilities, the differences increase to 80% and above. The rain attenuation measured at 26 GHz, 38 GHz, and 73 GHz terrestrial links with 300 m lengths and 12 GHz earth-to-satellite links in Malaysia are compared with those predicted by data from 5 integration times. Predicted attenuation with 10-secs is closer to measurement than 1-min integration time for all three terrestrial links and two satellite links. However, 30-sec integration time data was found close to the measurement for one satellite link. Hence mm-wave short paths in 5G, lower integration time-based rain rate measurement will provide more accurate prediction for path loss and high reliability in the tropical climate. | ||
| 610 | 0 | |9 169 |a International Islamic University Malaysia | |
| 650 | 0 | |a Microwaves |x Attenuation |z Malaysia |9 11566 | |
| 650 | 0 | |a Microwave communication systems |z Malaysia |9 11567 | |
| 655 | |a Theses, IIUM local | ||
| 690 | |a Dissertations, Academic |x Department of Electrical and Computer Engineering |z IIUM |9 4446 | ||
| 700 | 1 | |a Md Rafiqul Islam |e degree supervisor |9 7713 | |
| 700 | 1 | |a Mohamed Hadi Habaebi |e degree supervisor |9 6563 | |
| 700 | 0 | |a Khairayu Badron |e degree supervisor |9 6997 | |
| 710 | 2 | |a International Islamic University Malaysia. |b Department of Electrical and Computer Engineering |9 4449 | |
| 856 | 4 | |u http://studentrepo.iium.edu.my/handle/123456789/11008 | |
| 900 | |a sz-asbh | ||
| 942 | |2 lcc |c THESIS |n 0 | ||
| 999 | |c 502849 |d 534266 | ||
| 952 | |0 0 |1 0 |2 lcc |4 0 |6 T T K7876 M00732E 02021 |7 3 |8 IIUMTHESIS |9 982065 |a IIUM |b IIUM |c THESIS |d 2022-07-15 |g 0.00 |o t TK 7876 M732E 2021 |p 11100429165 |r 1900-01-02 |t 1 |v 0.00 |y THESIS | ||