房地产营销策划方案.ppt

文档介绍：Lecture 9 & 10 Ad hoc & Multicast吳曉光博士
無線網路多媒體系統
Wireless Multimedia System
Coming Issues
Mobile IP
Wireless
TCP
Ad hoc
Network
The Life
After 3G
Energy
Efficient
Mobile
Multicast
SIP
Mobile IP
R
R

. Z
Forwarding address
Home address


Cellular IP
Wireless TCP
TCP turned to perform well in work where the packet losses occur mostly because of congestion.
In the wireless environment
Non-congestion losses caused by wireless link
The degraded performance of TCP is mostly due to mistaking wireless losses for congestion.
Mobile Host
Base Station
SIP Protocol
Mobility support
Mobile Multicast
work~ Mobile IP
Application Requirements: updates to replicated databases, Inter-munication among cooperating processes
Resource Conservations~ Single Copy in…Multicast IP
Mobile Multicast
One to Many Mobile Multicasting Services
Interconnection and Mobile IP
DSR support the seamless interoperation between an ad work and the
Bridge
Router



Gateway Node