Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-10-10
2006-10-10
Kincaid, Lester G. (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S067110, C455S226100, C455S168100, C455S161100
Reexamination Certificate
active
07120437
ABSTRACT:
This invention relates to a method and apparatus for selecting carriers to be measured by a subscriber unit (301,303, 501). The subscriber unit (301, 303, 501) is served by a communication system and is operable to measure carriers in a frequency band, which typically belongs to a different communication system. The apparatus comprises a performance processor (329) for determining a measuring performance characteristic of the subscriber unit (301, 303, 501) related to the measurement performance of the subscriber unit (301, 303, 501) when measuring in the frequency band. The apparatus furthermore comprises a carrier subset selector (331) for selecting a subset of carriers in the frequency band to be measured by the subscriber unit. The subset of carriers is selected dependent on the measuring performance characteristic. The invention is applicable to dual 2nd and 3rd generation cellular communication systems such as GSM/UMTS.
REFERENCES:
patent: 5327575 (1994-07-01), Menich et al.
patent: 5857153 (1999-01-01), Lupien
patent: 5991622 (1999-11-01), Henry, Jr.
patent: 6807163 (2004-10-01), Shi
patent: WO-97/32445 (1997-09-01), None
patent: WO 97/32445 (1997-09-01), None
Universal Mobile Telecommunications System (UMTS);□□Radio Resource management strategies (3GPP TS 25.922 version 3.4.0 Release 1999)□□ETSI TS 125 922 V3.4.0(Dec. 2000).
Benson Maya
Thomas Howard
Kincaid Lester G.
Lam Dung
Mancini Brian M.
May Steven A.
Motorola Inc.
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