Appeal No. 1997-0622
Application No. 08/414,051
radiotelephone system.
Claim 1 is illustrative of the claimed invention, and it
reads as follows:
1. In a cellular mobile radio telephone system, a
method of access of a mobile station to a base station on
a digital multiple-access control channel, said method
comprising the steps of:
sending a first access burst from the mobile
station to the base station;
sending information from the base station to the
mobile station indicating to the mobile station a timing
adjustment, a length of the timing adjustment being
related to propagation delay according to which the
mobile station is to send a subsequent second access
burst, the second access burst being longer than the
first access burst; and
sending said second access burst from said
mobile station to said base station.
The references relied on by the examiner are:
Grauel et al. (Grauel) 4,815,073 Mar. 21,
1989
(filed Jul. 15, 1986)
Dahlin et al. (Dahlin) 5,119,397 Jun. 2,
1992
(filed Apr. 26, 1990)
D’Amico et al. (D’Amico) 5,127,100 Jun.
30,
1992
(filed Apr. 27, 1989)
Riordan 5,184,349 Feb. 2,
1993
(effective filing date Jan. 16,
1991)
2
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