VoIP over Dual-Network

1
VoIP over Dual-Network

• Group 6
• R92922078 ???
• R92922083 ???
• R92922094 ???
• B89902068 ???

2
Background

• Carrier-Grade VoIP
• High availability
• High capacity
• Speech quality is high
• WLAN (e.g. 802.11, 802.16)
• Mobility
• Flexibility
• Hot spot

3
Motivation

• 802.16a
• Coverage 48 km
• Data rate 70 mbps
• Issues of supporting VoIP on Dual-Network
  (handoff, roaming, security, QoS)

4
Related work

• 802.16 (WMAN)
• Air interface (DAMA-TDMA)
• MAC frame
• 802.11
• Deploy VoIP
• QoS, handoff, roaming, security

5
Distribution of work

• 802.16 ??
• 802.11 ??
• Deploy VoIP ??
• QoS ?? (mobility)

6
Reference

• http//grouper.ieee.org/groups/802/16/index.html
• http//www.eedesign.com.tw/article/document/dc930.
  htm