US Patent No: 7,831,254

Number of patents in Portfolio can not be more than 2000

Terminal device, and in-zone cell checking method and cell re-selection method thereof

ALSO PUBLISHED AS: 20050221830

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Importance

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Abstract

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A terminal device including a radio unit that adopts code division multiple access (cdma), which device omits unnecessary cell search by extending an in-zone cell monitoring cycle and a re-selection cycle in a case where under fixed conditions during cell search, when a physical layer and an RRC of the radio unit determine that a mobile phone remains still.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NEC CORPORATIONTOKYO10102

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Natsume, Kohei Tokyo, JP 4 1

Cited Art Landscape

Patent Info (Count) # Cites Year
 
QUALCOMM INCORPORATED (6)
* 5,790,589 System and method for rapidly reacquiring a pilot channel 45 1996
* 7,596,378 Idle mode handling in a hybrid GSM/CDMA network 19 1999
* 7,092,716 Idle mode handling in a hybrid GSM/CDMA network 17 2002
* 7,110,765 Limiting cell reselection based on pilot power 17 2002
* 7,133,702 Idle mode cell reacquisition and reselection 17 2002
* 2004/0116,110 Searching for neighbor cells within a fixed time duration 47 2003
 
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (4)
* 5,539,748 Enhanced sleep mode in radiocommunication systems 96 1994
* 5,574,996 Enhanced sleep mode in radiocommunication systems 44 1995
* 6,331,971 Enhanced sleep mode in radiocommunication systems 25 1995
* 5,883,885 Base and mobile stations including enhanced sleep mode 16 1996
 
BENQ CORPORATION (1)
* 2004/0224,659 Power saving method for mobile unit 7 2003
 
INTEL CORPORATION (1)
* 6,606,490 Battery operated radio receivers having power save by reducing active reception time 15 1999
 
NOVATEL WIRELESS, INC. (1)
* 6,799,030 Method and apparatus for low power operation of an RF wireless modem 20 2001
 
UNWIRED PLANET, LLC (1)
* 6,535,752 Radio receiver with power saving during synchronization retries 15 1999
* Cited By Examiner

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 May 9, 2018
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 9, 2022
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Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00