A Hybrid Model for Path Loss Estimation in Avenue Environment
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บทคัดย่อ
Diverse propagation mechanisms complicate propagation analysis and modeling for a foliage condition. Therefore, a simpler optimized hybrid propagation model, which maintains or improves accuracy but preserves a cooperative relationship with physics, would be insightful. We evaluate an approach for developing a radio-wave propagation prediction model in an avenue area by combining the path loss in free space and environment parameters. It is demonstrated that this two-mechanism hybrid model can provide an accurate fit to the profile of through forest propagation over a long distance, which is impossible with the definitive radiative energy transfer model. The predicted model results were validated using radio-wave propagation in the FM band measurement data. The results obtained from the developed Free-Med model will differ slightly from the measurements under the avenue environment compared to the free space path loss model, Okumura-Hata path loss model, and the Perez-Vega path loss model, as can be seen from the values of the variables MAE and RMSE, which are 1.4966 [dB] and 1.8288 [dB], respectively.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
- เนื้อหาและข้อมูลในบทความที่ตีพิมพ์ในวารสารวิทยาศาสตร์และเทคโนโลยีนายเรืออากาศ ถือเป็นข้อคิดเห็นและความรับผิดชอบของผู้เขียนบทความโดยตรง กองบรรณาธิการวารสาร ไม่จำเป็นต้องเห็นด้วย หรือร่วมรับผิดชอบใด ๆ
- บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการตีพิมพ์ในวารสารวิทยาศาสตร์และเทคโนโลยีนายเรืออากาศถือเป็นลิขสิทธิ์ของวารสารวิทยาศาสตร์และเทคโนโลยีนายเรืออากาศ หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ หรือเพื่อกระทำการใด ๆ จะต้องได้รับอนุญาตเป็นลายลักอักษรณ์จากวารสารวิทยาศาสตร์และเทคโนโลยีนายเรืออากาศ ก่อนเท่านั้น
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