Method and apparatus for determining frame quality in mobile...

Details Method and apparatus for determining frame quality in mobile... Method and apparatus for determining frame quality in mobile...

2005-04-12

2005-04-12

Zimmerman, Brian (Department: 2635)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S244000, C455S522000

Reexamination Certificate

active

06879577

ABSTRACT:
A method and apparatus for determining frame quality in a mobile communication system determines frame quality by estimating a received SIR without using a CRC under a control hold state in which PCBs are only transmitted while no data transmission actually occurs. The method for determining frame quality includes estimating a signal to interference ratio of an allocated traffic channel from PCBs extracted from PCGs of a frame received through the traffic channel and a signal received through a pilot channel received during a section of the PCGs in a state that no data transmission occurs between a mobile station and its control system and the PCBs are only transmitted and received through the traffic channel; and comparing the estimated signal to interference ratio with a preset reference signal to noise power ratio to determine quality of the received frame.

REFERENCES:
patent: 6175588 (2001-01-01), Visotsky et al.
patent: 6430214 (2002-08-01), Jalloul et al.
patent: 6564042 (2003-05-01), Jou et al.
patent: 6704370 (2004-03-01), Chheda et al.
patent: 20020086694 (2002-07-01), Tran

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