전력소모, 디자인, 전자파 등 기지국보다 모바일 환경에서 사용자를 위해 갖춰야 할 제약사항이 더 많은 까닭이다.
This is because there are more constraints that need to be made for users in mobile environments than in base stations, such as power consumption, design, and electromagnetic waves.