Appeal No. 96-3047
Application 08/053,191
that Freitas at column 8, lines 29 through 33 makes specific
reference for handoff procedures to Harrison by Serial Number
and filing date, thus indicating their combinability.
Appellants argue that the references fail to teach or
suggest the particular method of routing and roaming as
claimed [brief, page 7]. Appellants then contend that, of the
references cited, only Harrison is particularly concerned with
roaming within a wireless network. However, in Harrison, when
mobile unit moves from one zone to another, and loses contact
with the base station in one zone, the packets from the mobile
unit are queued up within a spooler until the mobile unit re-
establishes
contact with another base station in another zone. The new
base station retrieves the spooled packets and forwards them
to the mobile unit. When the queue of the spooled packets is
empty, subsequent packets are sent directly from the mobile
unit to the new base station instead of the old base station.
Appellants further argue that, in Harrison, mobile units have
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