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公开(公告)号：DE69736589T2
公开(公告)日：2007-09-13
申请号：DE69736589
申请日：1997-03-26
Applicant: QUALCOMM INC
Inventor： BLAKENEY D , WILLIAMSON T , AULT C , SORENSON R
Abstract: A method and apparatus for selecting a communication system in accordance with the geographic region in which the subscriber station is located is described. Upon successful acquisition, a system determination processor examines the received system identification information and compares it with system identification information stored in a universal system table to determine the geographical region of the identified communication system. The system determination processor then determines whether the acquired system is the most desirable system for use in the geographical region. If it is the most desirable system for use in the geographical region, the system determination processor selects the acquired system for providing service. If it is not the most desirable system for use in the geographical region, the subscriber station attempts to acquire a more desirable system using information from the universal system table.
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公开(公告)号：DE69832694D1
公开(公告)日：2006-01-12
申请号：DE69832694
申请日：1998-03-04
Applicant: QUALCOMM INC
Abstract: A wireless communication device which automatically and seamlessly switches to an alternate, available system when it is unable to complete a call origination attempt, without requiring the user to take any affirmative actions to select the alternate system or re-initiate a call origination. The wireless communication device decreases the percentage of call failures by providing a hold-over of pending call origination attempts until service is finally acquired. In the case of either exceeding the maximum number of access sequences (reverse link limited) or failure to acquire the forward link of the preferred communication system (forward link limited), the user is not required to re-initiate the call origination, thus turning a potential call failure into a success.
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公开(公告)号：DE69736589D1
公开(公告)日：2006-10-12
申请号：DE69736589
申请日：1997-03-26
Applicant: QUALCOMM INC
Inventor： BLAKENEY D , WILLIAMSON T , AULT C , SORENSON R
Abstract: A method and apparatus for selecting a communication system in accordance with the geographic region in which the subscriber station is located is described. Upon successful acquisition, a system determination processor examines the received system identification information and compares it with system identification information stored in a universal system table to determine the geographical region of the identified communication system. The system determination processor then determines whether the acquired system is the most desirable system for use in the geographical region. If it is the most desirable system for use in the geographical region, the system determination processor selects the acquired system for providing service. If it is not the most desirable system for use in the geographical region, the subscriber station attempts to acquire a more desirable system using information from the universal system table.
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公开(公告)号：DE69832694T2
公开(公告)日：2006-09-07
申请号：DE69832694
申请日：1998-03-04
Applicant: QUALCOMM INC
Abstract: A wireless communication device which automatically and seamlessly switches to an alternate, available system when it is unable to complete a call origination attempt, without requiring the user to take any affirmative actions to select the alternate system or re-initiate a call origination. The wireless communication device decreases the percentage of call failures by providing a hold-over of pending call origination attempts until service is finally acquired. In the case of either exceeding the maximum number of access sequences (reverse link limited) or failure to acquire the forward link of the preferred communication system (forward link limited), the user is not required to re-initiate the call origination, thus turning a potential call failure into a success.
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