Appeal 2007-0929
Application 10/000,774
8. Specifically, Network Availability 210 in Doviak may
determine if the Network Interface 214 is installed; if the Network Interface
214 is properly configured and functioning properly; if the Network
Interface 214 is connected to the Network, on-line, and available for
sending/receiving messages; and if the Network Interface 214 is in good
health (col. 34, ll. 19-26). In a CDPD network, the Network Availability
214 determines if the Received Signal Strength Indication (RSSI) is
sufficient to transmit relatively error-free data (col. 34, ll. 42-45). Indicators
of health and connectivity status include, but are not limited to, RSSI, Clear
to Send (CTS), Channel Clear/Channel Ready, and Transmit Grant (col. 35,
ll. 51-56).
9. The above interrogation process may be accomplished by
monitoring a timer tick (provided by the switch microprocessor), which
instructs the Network Availability 210 to query each Network Interface 214
(col. 34, ll. 27-30).
10. The status of each Network Interface 214 is then passed to the
Decision process 206, which determines what the “next Network” will be if
the result of the interrogation indicates that the "current Network" is
experiencing transmission problems (col. 34, ll. 32-36).
11. After describing the user configuration parameters, which are
used for selecting the “current network” and the “next Network” (col. 34, l.
56 through col. 35, l. 36), Doviak describes using these metrics (i.e., the user
configuration parameters) to instruct Router 200 how to select a particular
network (col. 35, ll. 37-43).
12. The Examiner does not contend that any of Doviak’s user
configuration parameters represent delivery errors. Instead, the Examiner
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