(19)
(11) EP 1 681 796 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
18.10.2006 Bulletin 2006/42

(43) Date of publication:
19.07.2006 Bulletin 2006/29

(21) Application number: 04789848.1

(22) Date of filing: 20.10.2004
(51) International Patent Classification (IPC): 
H04L 12/14(2006.01)
(86) International application number:
PCT/CN2004/001189
(87) International publication number:
WO 2005/041477 (06.05.2005 Gazette 2005/18)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 24.10.2003 CN 200310103719

(71) Applicant: Huawei Technologies Co., Ltd.
Longgang District, Shenzhen, Guangdong 518129 (CN)

(72) Inventors:
  • GAO, Jianghai, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • LI, Xiaoyan, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • ZHAO, Yi, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • CHEN, Dianfu, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • LIN, Ming Huawei Administration Building
    Shenzhen Guangdong 518129 (CN)
  • WANG, Jing Huawei Administration Building
    Shenzhen Guangdong 518129 (CN)
  • CHEN, Weimin Huawei Administration Building
    Shenzhen Guangdong 518129 (CN)
  • ZHENG, Xiaochun Huawei Administration Building
    Shenzhen Guangdong 518129 (CN)
  • PENG, Wenqin, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • PAN, Qiang, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • XIE, Ling, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • XIE, Nan, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • JIN, Guangliang, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)
  • OUYANG, Rongbing, Huawei Administration Building
    Shenzhen, Guangdong 518129 (CN)

(74) Representative: Collin, Jérôme 
Cabinet Régimbeau 20, rue de Chazelles
75847 Paris Cedex 17
75847 Paris Cedex 17 (FR)

   


(54) WIRELESS LOCAL AREA NETWORK PREPAID BILLING SYSTEM AND METHOD


(57) A prepaid accounting system for a wireless local area network (WLAN) and a method thereof are provided. The system includes: an authentication control point, an authentication server, and a service control point. The authentication control point is used to control access of a subscriber to WLAN; the authentication server is used to perform authentication, authorization and accounting for the subscriber; and the service control point is used to store and update subscriber information. The method includes the steps of: upon the start of accounting, an authentication server requesting a service control point to check account balance of a subscriber; during the accounting, the authentication server periodically requesting the service control point to check the account balance of the subscriber; and upon the termination of accounting, the authentication server notifying the service control point of the termination of accounting and the service control point updating the balance.