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

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7831254
APP PUB NO 20050221830A1
SERIAL NO

11092681

Stats

ATTORNEY / AGENT: (SPONSORED)

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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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NEC CORPORATIONTOKYO10478

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Natsume, Kohei Tokyo, JP 2 1

Cited Art Landscape

Patent Info (Count) # Cites Year
 
QUALCOMM INCORPORATED (6)
* 5790589 System and method for rapidly reacquiring a pilot channel 48 1996
* 7596378 Idle mode handling in a hybrid GSM/CDMA network 29 1999
* 7092716 Idle mode handling in a hybrid GSM/CDMA network 21 2002
* 7110765 Limiting cell reselection based on pilot power 25 2002
* 7133702 Idle mode cell reacquisition and reselection 22 2002
* 2004/0116,110 Searching for neighbor cells within a fixed time duration 68 2003
 
BENQ CORPORATION (1)
* 2004/0224,659 Power saving method for mobile unit 10 2003
 
INTEL CORPORATION (1)
* 6606490 Battery operated radio receivers having power save by reducing active reception time 15 1999
 
UNWIRED PLANET, LLC (1)
* 6535752 Radio receiver with power saving during synchronization retries 15 1999
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (4)
* 5539748 Enhanced sleep mode in radiocommunication systems 143 1994
* 5574996 Enhanced sleep mode in radiocommunication systems 46 1995
* 6331971 Enhanced sleep mode in radiocommunication systems 28 1995
* 5883885 Base and mobile stations including enhanced sleep mode 20 1996
 
NOVATEL WIRELESS, INC. (1)
* 6799030 Method and apparatus for low power operation of an RF wireless modem 29 2001
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
NOKIA SOLUTIONS AND NETWORKS OY (1)
* 2012/0276,945 CELL SELECTION TECHNIQUES FOR IDLE MODE FOR WIRELESS NETWORKS 14 2011
* Cited By Examiner

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