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Multimedia Systems MW 3-4:15 PM, Rm211-2. Doug Young Suh Media Lab. Rm401 suh@khu.ac.kr Last update : August 30, 2013. Outline. Market for mobile multimedia Information theory and source coding Network aware video coding QoS protocols of transport/network layers
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Multimedia SystemsMW 3-4:15 PM, Rm211-2 Doug Young Suh Media Lab. Rm401 suh@khu.ac.kr Last update : August 30, 2013
Outline • Market for mobile multimedia • Information theory and source coding • Network aware video coding • QoS protocols of transport/network layers • Wireless MAC/PHY protocols • QoS standardization and future works • 10/16 Mid-term • Channel coding : basic • Channel coding : Turbo code • Channel coding : Raptor code • Project presentations • 12/11 Final exam MediaLab , Kyunghee University
Contents in detail • Overview • What does market want from mobile multimedia? • Social and cultural needs and corresponding technology. • Media and media codec 2-1 Media format (sound and video) 2-2 Information theory and quantization in multi-media : Definition of entropy, pdf and multimedia compression. 2-3 Transform : Principle of frequency transformation, DCT(Discrete Cosine Transform) 2-4. Video codec : History of video codec (MPEG-2 SVC), video codec with MEMC/DCT, QoS tools in video codec • QoS protocols 3-1 Media traffic : characteristics of video/audio/data traffic for simulating different media traffic 3-2 QoS tools in transport layer : RTP format, RTCP based QoS monitoring, FEC 3-3 QoS tools in network layer 1 : RSVP/intServ and per-flow QoS protocols 3-4 QoS tools in network layer 2 : diffServ and per-class QoS protocols • Wireless MAC/PHY protocols 4-1 Principles in PHY/MAC : channel capacity, basic medium access control protocols 4-2 WLAN PHY : channel degradation of WLAN 4-3 WLAN MAC 1 : DCF and PCF 4-4 WLAN MAC 2 : enhanced QoS of EDCA • QoS standardization and future works 5-1 3GPP UMTS and QoS (43 slides) 5-2 IEEE802.16 and QoS (28 slides) 5-3 Future mobile multimedia : current issues in mobile multimedia (12 slides) • Channel coding CC1 Block code : general principle of block based channel codes, Hamming (7, 4) code (22 slides) CC2 Reed Solomon code and its application to mobile multimedia (16slides) CC3 Convolutional code (13slides) MediaLab , Kyunghee University
강의 개요 • 수업게시판: cmm.khu.ac.kr/multimedia • Class notes • Webdisk.khu.ac.kr UN: 006187 PW: multimedia • 주의!! 로그인할 때, 오른쪽 guest를 이용해야 한다. • 점수배분 시험(30% + 30%) + 출석(10%) + 과제(30%) • 시험 중간고사(30%) + 학기말고사(30%) • 과제 국제표준 조사 또는 프로그래밍(10%): ~Sep. 30 신개념 설계(특허) (20%): ~Nov. 30 MediaLab , Kyunghee University