FreeSpeech: A Novel Wireless Approach for Conference Projecting and Cooperating

This paper presents a novel wireless projecting and cooperating approach named FreeSpeech based on Ad Hoc network, which makes conference exchange more convenient and ubiquitous. All attendees can access this system by their laptops or other mobile computing devices all around the conference venue a...

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Hauptverfasser: Jiang, Wenbin, Jin, Hai, Shao, Zhiyuan, Ye, Qiwei
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Ye, Qiwei
description This paper presents a novel wireless projecting and cooperating approach named FreeSpeech based on Ad Hoc network, which makes conference exchange more convenient and ubiquitous. All attendees can access this system by their laptops or other mobile computing devices all around the conference venue and make the projections of their presentations without connecting to the projector physically. Moreover, they can make cooperative display simultaneously with others. FreeSpeech takes a mixed Virtual Networking Computing (VNC) C/S mode based on some improvements on the traditional ones. A novel IP multicast-based transfer and control mechanism is presented to make large numbers of attendees obtain the wall screen contents by their laptops locally without aggravating the overhead of bandwidth remarkably. An efficient remote screen synchronization method is employed to transfer screens of some attendees to the projector-connected computer, which also can save the consumed bandwidth significantly. All above methods use the limited wireless bandwidth more efficiently. Performance evaluation shows that this approach can work perfectly for ubiquitous conference occasions.
doi_str_mv 10.1007/11833529_70
format Conference Proceeding
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issn 0302-9743
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source Springer Books
subjects Applied sciences
Artificial intelligence
Computer science
control theory
systems
Computer systems and distributed systems. User interface
Conference Venue
Exact sciences and technology
Screen Content
Screen Data
Small Rectangle
Software
User Registration
title FreeSpeech: A Novel Wireless Approach for Conference Projecting and Cooperating
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