 |
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|
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| – |
intra-area
cell transfer: controlled by same MD-IS
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| – |
M-ES
initiates transfer if channel becomes bad
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|
(extended
loss of channel synchronization and/or
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|
unacceptable
error rate)
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| – |
to
assist M-ES in locating CDPD channel, MDBS
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periodically
broadcasts RF channel number in use or as
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candidates
for use in adjacent cell
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| – |
after
M-ES synchronized with new RF channel, sends
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link-layer
receive ready to serving MD-IS
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| – |
MD-IS
acknowledges frame and updates its
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information
for M-ES (physical media association)
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