星期六, 2月 18, 2006

2-25-2006 Metropolitan Wireless



Case Studies
於

2 則留言:

  1. Yao Jen週六 2月 25, 02:40:00 下午 GMT+8

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

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  2. Yao Jen週六 2月 25, 02:40:00 下午 GMT+8

    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)

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