星期六, 2月 18, 2006

2-25-2006 Metropolitan Wireless



Case Studies

2 則留言:

Yao Jen 提到...

mesh router for metropolitan AP interconnection
IEEE is drafting the standard (Nortel, Tropos, Alvarion)

Yao Jen 提到...

CATV
48 VDC PoE

Cable
Tree structure (no loop)
Upper middle stream - Fiber
Down stream- coaxial
HFC (Hybrid fiber coaxial)

VoIP
client: NB, PDA, WiFi phone
server: SIP Proxy (soft switch)