다양한 ICT 기술이 연구되면서 차세대 이동통신 서비스의 개발도 시급해졌습니다. 현재 4G의 속도와 트래픽 처리 용량으로는 제한적이기 때문이죠. 이 문제점을 덜어 줄 ‘4.5G’ 서비스에 대해 알아봅니다.
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