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(11)    Patent No :    AP 2179   
(21)    Application No :    AP/P/2006/003733   
(22)    Filing Date :    04.03.2005   
(24)    Date of Grant &    26.11.2010   
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
KR    10-2004-001475    04.03.2004

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
(73) Applicant(s)


Yeongtong-gu, Suwon-si, Gyeonggi-do, 442-742,
Republic Of Korea

(72) Inventors

KANG Hyon- Goo, Republic Of Korea

SONG Bong- Gee, Republic Of Korea

EOM Kwang-seop, Republic Of Korea

et al

(74) Representative


(51)  International  Classification   H04B7/05 (2006.01)    H04L12/28 (2006.01)

(54)    Title

System and method for controlling an operational mode of a mac layer in a broadband wireless access communication system

(57)    Abstract

A method for controlling operation modes of a medium access control layer by

a mobile subscriber station in a broadband wireless access communication system including the mobile subscriber station and a serving base station providing service to the mobile subscriber station is provided. The method includes the steps of: mode-transiting into an idle mode when there is no data

transmission between the serving base station and the mobile subscriber station during a predetermined first time interval in an awake mode; detecting

movement of the mobile subscriber station in the idle mode into another paging zone covering a target base station, which is different from a paging

(56)    Documents Cited :    KR 20010026301 A    US 5511067 A    US 6430168 A


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