Selection method of a handoff system in a CDMA mobile communication system

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United States of America Patent

PATENT NO 6708030
SERIAL NO

09369021

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A selection method of a handoff system in a CDMA radio data communication system, which is capable of selecting one of a hard handoff system and a soft handoff system depending on situations of a call, is provided. The mobile station informs presence or absence of own agent for application to be used in the communication to a radio base station control equipment when sending a call connection request signal. The radio base station control equipment recognizes the kind of the agent in the mobile station and confirms if a corresponding agent is provided in an agent server. The mobile station determines a handoff system depending on a condition that the agent can be used in the communication or not. The hard handoff system is selected when the agent can be used, and the soft handoff is selected when the agent cannot be used.

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION7-1 SHIBA 5-CHOME MINATO-KU TOKYO 108-8001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horikawa, Kiyotaka Tokyo, JP 7 65

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