Radio Wave Engineering 1

Course title

F0028000

Course description

This course introduces the fundamentals of radio wave transmission, which consists of electric and magnetic waves, and provides essential knowledge of high-frequency radia wave technologies required for communication.
First, students will learn about the phenomenon of voltage and current waves propagating along transmission lines.
Next, the course will cover wireless communication system design, such as the significance of spatial transmission loss and antenna gain, while providing a foundational understanding of antenna characteristics.
Finally, the course will discuss multi-antenna technologies that enable high-speed and large-capacity wireless communication, allowing students to develop a deeper understanding of the relationship between radio wave transmission and communication quality.

Purpose of class

This course aims for students to understand the fundamental properties of electromagnetic waves, which are crucial for mobile communications such as 5G and wireless LAN technologies such as Wi-Fi. In addition, students will acquire basic knowledge of antenna theory and radio wave transmission, which are essential for the design and analysis of wireless communication systems.

Goals and objectives

At the end of the course, students will be able to
(1) understand the phenomenon that both voltage and current propagate as a wave along a transmission line, which is the basics of radio-wave transmission,
(2) understand the free-space transmission loss and antenna gain in a wireless communication system,
(3) learn the basics commonly shared in a wide variety of antennas, and
(4) understand the broadband communication using multi-antenna technologies.

Relationship between 'Goals and Objectives' and 'Course Outcomes'

	Term-end examination	Total.
1.	25%	25%
2.	25%	25%
3.	25%	25%
4.	25%	25%
Total.	100%	-

Evaluation method and criteria

- Evaluation method
Term-end examination (100％)

- criteria
More than 60％ correctly answered questions out of the exercise questions on Reference book (1) is needed.

Language

Japanese

Class schedule

	Class schedule	HW assignments (Including preparation and review of the class.)	Amount of Time Required
1.	Course content and objectives of Radio Wave Engineering I	Have a look at (1) and (2) of the reference book	190minutes
2.	Basics of transmission wave (1) - Outline - Telegrapher's equations and their solutions	Reference book (1) pp. 8-11	190minutes
3.	Basics of transmission wave (2) - Telegrapher's equations and their solutions - Incident and reflected waves	Reference book (1), pp. 11-14,20-21	190minutes
4.	Basics of transmission wave (3) - Characteristic impedance and reflection coefficient	Reference book (1), pp. 12,27-28	190minutes
5.	Basics of transmission wave (4) - Transmission velocity	Reference book (1), pp. 16-19	190minutes
6.	Basics of transmission wave (5) - Input impedance - Quarter-wave transformer	Reference book (1), pp. 24-25,64-65	190minutes
7.	Wireless-communication system design - Example of communication system - Frris transmission formula	Reference book (1), pp. 115-117	190minutes
8.	Antenna characteristics (1) - Effective area	Reference book (1), pp. 113-115	190minutes
9.	Antenna characteristics (2) - Gain	Reference book (1), pp. 106-110	190minutes
10.	Antenna characteristics (3) - Radiation pattern	Reference book (1), pp. 180-182	190minutes
11.	Antenna characteristics (4) - Gain calculation	Reference book (1), pp. 30-35	190minutes
12.	Radio wave propagation and multi-antenna technology (1) - Multi-path fading of radio wave - Antenna diversity	Reference book (2), pp. 48-53	190minutes
13.	Radio wave propagation and multi-antenna technology (2) - Adaptive array antenna - MIMO（Multiple-Input Multiple-Output）	Reference book (2), pp. 48-53	190minutes
14.	Overall review of this course - Basics of transmission wave - Wireless-communication system design - Antenna characteristics - Radio wave propagation and multi-antenna technology	Use Reference book (1),(2) and revise topics that were covered in this course.	190minutes
Total.	-	-	2660minutes

Feedback on exams, assignments, etc.

ways of feedback	specific contents about "Other"
Feedback in the class

Textbooks and reference materials

References
(1) Matsuda, Miyata, Nanbu (co-authored): Radio Engineering, Corona Pablishing Co., Ltd.
(2) Kyohei Fujimoto: Introduction to radio applications [2nd edition], Kyoritsu Shuppan Co., Ltd.

Prerequisites

It is desired to have finished the following courses:
・Fundamentals of Electric Circuits, Transient Phenomena in Circuits, and Design Exercise on Electronic Circuits
・Electromagnetism 1
・Electromagnetism 2

Office hours and How to contact professors for questions

Lunch break after the class（12:30-13:00),
or please contact by e-mail

Regionally-oriented

Non-regionally-oriented course

Development of social and professional independence

Course that cultivates an ability for utilizing knowledge

Active-learning course

N/A

Course by professor with work experience

Work experience	Work experience and relevance to the course content if applicable
Applicable	A lecturer was engaged in the research and development of wireless communication systems and antennas. This experience is used to provide lectures on the basic theory and practical examples of radio wave propagation and antennas.

Education related SDGs:the Sustainable Development Goals

9.INDUSTRY, INNOVATION AND INFRASTRUCTURE

Last modified : Fri Apr 11 04:05:02 JST 2025