Code Division Multiple Access Method (CDMA)
(วิธีการเข้าถึงหลายช่องทางแบบแบ่งตามรหัส (CDMA))
Definition
Code Division Multiple Access Method (CDMA) (วิธีการเข้าถึงหลายช่องทางแบบแบ่งตามรหัส (CDMA)) Hard Skill
Code Division Multiple Access (CDMA) is a channel access method used in communication systems that allows multiple signals to occupy the same transmission channel by using unique spreading codes, enabling efficient and secure wireless communication.
Expertise Level
Level 1
Basic
1. Understands the basic concept of CDMA and its purpose.
2. Can identify the role of spreading codes in signal separation.
3. Recognizes advantages of CDMA over other multiple access methods.
Level 2
Intermediate
1. Can explain the technical process of encoding and decoding signals in CDMA.
2. Understands how interference and noise are managed within CDMA systems.
3. Able to describe differences between CDMA and other multiple access techniques like TDMA and FDMA.
Level 3
Advanced
1. Can design and optimize CDMA-based communication systems for performance and security.
2. Analyzes and solves complex issues related to code assignment, power control, and multiuser interference.
3. Applies knowledge of CDMA in real-world applications including 3G and beyond wireless networks.
