networking.docx - Imer Rosado CIS3600-11 Spring 2019 18.1 Define fixed broadband wireless access Fixed wireless broadband is high-speed internet access

networking.docx - Imer Rosado CIS3600-11 Spring 2019 18.1...

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Imer Rosado CIS3600 -11 Spring 2019 18.1 Define fixed broadband wireless access. Fixed wireless broadband is high-speed internet access in which connections to service providers use radio signals rather than cables. 18.3 List and briefly describe the three IEEE 802.16 physical layer options. WirelessMAN-SC is intended for us with 10 to 66 GHz bands It is suited for Pont to Point and therefore requires Line of Sight. This works for fixed wireless broadband access but does not support mobile stations. WirelessMAN-OFDM operates below 11 GHz and is suitable for environments that include mobile SSs. It also supports a range of channel bandwidths WirelessMAN-OFDMA - Is an enhances version of WirelessMAN-OFDM it operates below 11 Ghz and transmission is a structure as a sequence of frames, each of which includes a downlink subframe followed by an uplink subframe. 19.5 What is a least-cost algorithm? Dijkstra's algorithm finds a least cost path between two nodes. The cost of a path between node n1 and node n2 is the sum of the
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