그림 1. HTTP 적응적 스트리밍 시스템의 구조 Fig. 1. Architecture of HTTP adaptive streaming system
그림 2. HTTP 적응적 스트리밍 서비스의 세그먼트 스케줄링 기법 Fig. 2. Segment scheduling scheme of HTTP adaptive streaming system
그림 3. 무선 환경에서의 처리량 기반 품질 조절 기법의 성능 Fig. 3. Performance of quality adaptation scheme based on throughput in wireless environment
그림 4. 제안하는 세그먼트 스케줄링 기법 Fig. 4. Proposed segment scheduling scheme
그림 5. 시뮬레이션 환경 Fig. 5. Simulation environment
그림 6. 가용 대역폭 측정 기법 성능 비교 (a) EWMA 기법, (b) 제안기법 Fig. 6. Performance comparison of available bandwidth measurement (a) EWMA scheme (b) Proposed scheme
그림 7. 비디오 품질 및 버퍼 점유량 성능 비교 (a) 비디오 품질 (b) 버퍼 점유량 Fig. 7. Performance comparison of video quality and buffer occupancy (a) Video quality (b) Buffer occupancy
표 1. 대역폭 이용율 성능 비교 Table 1. Performance comparison of bandwidth utilization
참고문헌
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