최근 모바일 데이터 트래픽 발생의 급증으로 인해 기존의 3세대 이동통신 네트워크를 통한 서비스 제공에 한계가 발생하는 등의 이유로, 전 세계 이동통신 사업자들은 데이터 전송속도(용량)가 향상된 LTE 서비스를 경쟁적으로 도입ㆍ전개하고 있다. 2009년 12월 북유럽 최대의 이동통신사업자인 TeliaSonera에 의해서 세계 최초로 개시된 LTE 서비스는 2012년 3월 기준, 전 세계 32개국 57개 이동통신사업자가 상용 서비스를 제공중이며, 95개국 301개 사업자가 LTE 기술에 투자중이다. 본 고에서는 본격화되고 있는 LTE 서비스 전개 동향을 국내외 이동통신사업자별로 살펴보고, 성장기에 접어들고 있는 국내 LTE 서비스의 주요 특성을 분석하여 향후 추진 방향을 제시하고자 한다.
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