April 2011
Intermediate to advanced
368 pages
11h 36m
English
Content preview from Secure Roaming in 802.11 Networks
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Chapter 2
system performance [19]. As a result, CDMA cells are said to “breathe,” because the effective
coverage area expands and contracts with changes in the load [22].
2.6 Soft Versus Hard Handoffs in Various Cellular Technologies
We have already mentioned numerous issues related to handoffs for various technologies. In
this section, we tie much of that together. The reader should keep foremost in mind that all
handoffs in 802.11 networks are controlled by the MS.
In CDMA, because all base stations are operating under the same sets of frequencies, trans-
missions from mobile stations may be received by two or more base stations in adjacent
cells. ...
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