Soft combining apparatus and method in a CDMA mobile...

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers

Reexamination Certificate

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Details

C455S436000, C455S069000, C455S067110

Reexamination Certificate

active

10900762

ABSTRACT:
A method and apparatus for determining soft handover in a CDMA mobile communication system supporting Multimedia Broadcast/Multicast Service (MBMS) is provided. In the asynchronous CDMA mobile communication system supporting MBMS, when a UE moves to a region where it can receive data from a plurality of Node Bs, the UE determines whether to perform soft combining using a measurement value of a dedicated pilot channel signal, in performing soft handover. In this way, the UE can determine whether to perform soft combining on MBMS data received from a plurality of Node Bs by itself. Therefore, even though an MBMS user moves from a current or existing cell to a new cell, a stable MBMS service is provided to the user, thereby contributing to the user's convenience.

REFERENCES:
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patent: 6987985 (2006-01-01), Purkayastha et al.
patent: 6996410 (2006-02-01), Bos et al.
patent: 7010317 (2006-03-01), Hwang et al.
patent: 2003/0207696 (2003-11-01), Willenegger et al.
patent: 2005/0085182 (2005-04-01), Chuberre et al.

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