spaper10_slides - Authors:JUWANG,.L.LIU...

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Multimedia Support for Wireless W-CDMA with Dynamic Spreading Authors: JU WANG, MEHMET ALI ELICIN and JONATHAN C.L. LIU Presenters: Yi-Ju Chung(Mike) and Li Jiang 2011/11/09
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Outline Abstract Introduction Performance-guaranteed call processing Dynamic scheduling for multimedia  integration Conclusion Q&A
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Abstract Investigated effective protocol design with dynamic  spreading factors  ---SF: the ratio of the chips rate to baseband information rate ---Benefits of increasing SF Proposed some middle-ware solutions The preliminary results and further extend 
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Introduction Wireless Network Access internet anywhere and anytime The information will be supported with multimedia components More and more multimedia applications will run on mobile devices CDMA/W-CDMA CDMA “spread-spectrum” technique W-CDMA promises much higher data speeds
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Introduction A successful multimedia communication system ---Support a seamless integration of voice, audio and other conventional data.
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Introduction Proposed a integrated solutions Support all of the above traffic types with guaranteed quality Support multiple users with a guaranteed quality. Transmit e-mails and ftp without connection re-establishment. The admission control protocol (design based on the dynamic SF)
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Introduction The relationship between the increasing SF and BER
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Introduction The new schemes that can provide various QoS based on different traffic types Hardware capability provides the possibility that different SF can jointly adopted.
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