Network handover method, device, and system

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United States of America Patent

PATENT NO 9826440
APP PUB NO 20160249257A1
SERIAL NO

15142455

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Abstract

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In a network handover method, after UE located on an LTE network initiates a request message that requests CSFB, an MME instructs an enodeB to move the UE from the LTE network to a 2G or 3G network, and requests an MSC to hand over the UE from the LTE network to a CS domain of the 2G or 3G network for the CSFB, so that the 2G or 3G network allocates a CS domain resource to the UE. Further, by determining that an IMS voice session does not exist, it is identified that the handover of the UE from the LTE network to the CS domain of the 2G or 3G network is triggered by the CSFB, so as to ensure that handover from the LTE network is properly performed.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECHNOLOGIES CO LTDLONGGANG DISTRICT SHENZHEN GUANGDONG 518129

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wu, Xiaobo Shanghai, CN 161 778
Zou, Ye Xi'an, CN 10 56

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