Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-12-26
1999-09-14
Chin, Wellington
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455435, 455450, 455451, 455452, 455455, 370329, 370348, 370336, 370337, 370524, H04Q 722
Patent
active
059536659
ABSTRACT:
A method for selecting a digital control channel (DCCH) for a mobile station operating in a cellular system. In the method, after a first DCCH meeting rssi requirements has been located, a search is made for a more preferable second DCCH before camping on the first DCCH. If a more preferred second DCCH is found, the mobile station then camps on the second DCCH. The method includes the process of performing a quick reselection on available digital control channels(DCCH) at points in the selection process, when a first DCCH that meets received signal strength (rssi) criteria at the mobile station has been located using a conventional process, but a more preferable second DCCH could possibly still be found. In an embodiment of the invention the quick reselection may be performed on DCCHs included in a neighbor cell list received on the first DCCH.
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patent: 5640677 (1997-06-01), Karlsson
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Chin Wellington
Jama Isaak R.
Nokia Mobile Phones Limited
Rivers Brian T.
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