Mobile and wireless network Dan lI CS Department, Tsinghua University 2021-129 1
Mobile and wireless network 2021-1-29 1 Dan LI CS Department, Tsinghua University
Todays Lecture Introduction and Challenges Internet Mobility IPv6 Mobility Support Ad hoc Network Mobile system Framework Rethinking about Mobility Reading List 2021-129
Today’s Lecture ß Introduction and Challenges ß Internet Mobility ß IPv6 Mobility Support ß Ad hoc Network ß Mobile System Framework ß Rethinking about Mobility ß Reading List 2021-1-29 2
Goal of Wireless Networking and Mobile computing People and their machines should be able to access information and communicate with each other easily and securely, in any medium or combination of media -voice data, image, video, or multimedia -any time, anywhere, in a timely, cost-effective way Dr. G.H. heilmeier, Oct 1992 2021-129
Goal of Wireless Networking and Mobile Computing “People and their machines should be able to access information and communicate with each other easily and securely, in any medium or combination of media – voice, data, image, video, or multimedia – any time, anywhere, in a timely, cost-effective way.” Dr. G. H. Heilmeier, Oct 1992 2021-1-29 3
Enabling Technologies Development and deployment of wireless/mobile technology and infrastructure in-room in-building. on-campus, in -the-field, man WaN Miniaturization of computing machinery - PCs->laptop-> PDAS/smart phones-> embedded computers/sensors Improving device capabilities/ software development environments, e.g andriod:http://code.google.com/android/ iphone: htt p: //developer. apple. com/iphone/ * windows mobile 2021-129
Enabling Technologies ß Development and deployment of wireless/mobile technology and infrastructure Þ in-room, in-building, on-campus, in-the-field, MAN, WAN ß Miniaturization of computing machinery . . . -> PCs -> laptop -> PDAs/smart phones -> embedded computers/sensors ß Improving device capabilities/software development environments, e.g., Þ andriod: http://code.google.com/android/ Þ iphone: http://developer.apple.com/iphone/ Þ windows mobile 2021-1-29 4
Pervasive Use of mobile wireless Devices There are 4 billion mobile phones Over 50 countries have mobile phone subscription penetration rates higher than that of the population (Informa 2007) *http://en.wikipediaorg/wiki/mobile_phone_penEtra tion rate The mobile device will be the primary connection tool to the Internet for most people n the world in 2020 PEW Internet and American Life Project, Dec 2008 2021-129 5
Pervasive Use of Mobile Wireless Devices ß There are ~4 billion mobile phones Þ Over 50 countries have mobile phone subscription penetration rates higher than that of the population (Infoma 2007) Þ http://en.wikipedia.org/wiki/Mobile_phone_penetra tion_rate ß The mobile device will be the primary connection tool to the Internet for most people in the world in 2020. PEW Internet and American Life Project, Dec. 2008 2021-1-29 5