Appeal No. 2003-0041
Application No. 09/087,528
cellular radiotelephone systems and methods according to the present invention. See
page 9 of Appellants’ specification. Referring to Figure 4, a narrowband uplink 440a,
440b is provided between the base station 420 and the cellular radio exchange 410. A
narrowband downlink 450a, 450b is provided from the cellular radio exchange 410 to
the base station 420. The base station 420 uplinks downsampled radiotelephone
signals to cellular radio exchange 410. See page 9 of Appellants’ specification.
Independent claim 1 present in the application is representative of the claimed
invention and is reproduced as follows:
1. A communications method between a cellular radiotelephone base
station and a cellular radio exchange, comprising the steps of:
downlinking digital coded speech from the cellular radio exchange
to the cellular radiotelephone base station; and
uplinking undersampled radiotelephone signals from the cellular
radiotelephone base station to the cellular radio exchange.
References
The references relied on by the Examiner are as follows:
Muszynski 5,722,074 Feb. 24, 1998
(applicably filed Sep. 24, 1993)
Ganesan et al. (Ganesan) 5,758,294 May 26, 1998
(filed Jun. 07, 1995)
Bazarjani et al. (Bazarjani) 6,005,506 Dec. 21, 1999
(filed Dec. 09, 1997)
2
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