Method and apparatus for expanding cell coverage in mobile...

Details Method and apparatus for expanding cell coverage in mobile... Method and apparatus for expanding cell coverage in mobile...

2005-09-13

2005-09-13

Corsaro, Nick (Department: 2684)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S444000

Reexamination Certificate

active

06944454

ABSTRACT:
A method, apparatus and storage mediums executed by a computer and storing the method, for expanding cell coverage in mobile communication system is disclosed. The method comprises the steps of: a) shifting a preamble window by delaying a transmission signal in order to catch a first call access signal from a mobile station at a remote distance; and b) delaying a second call access signal from a mobile station at a short distance in order to catch the second call access signal.

REFERENCES:
patent: 5541979 (1996-07-01), Leslie et al.
patent: 5781541 (1998-07-01), Schneider
patent: 6212405 (2001-04-01), Jiang et al.
patent: 6388997 (2002-05-01), Scott

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