1
Xiaobo Wu, Hai Liu, Wei Xiao: Method, apparatus, and system for voice call fallback to circuit switched domain. Huawei Technologies, Brinks Hofer Gilson & Lione, August 6, 2013: US08504043 (8 worldwide citation)

A method for voice call fallback to a circuit switched (CS) domain disclosed in the present invention includes: receiving a Service Request message from a calling user equipment (UE), where the Service Request message includes called number information of a voice call in a CS domain, instructing an ...


2
Zhixian Xiang, Wenruo Zhu, Weisheng Jin, Xiaobo Wu: Optimized offloading to WLAN in 3GPP-RAT mobility. Futurewei Technologies, Slater & Matsil L, April 12, 2016: US09313697 (3 worldwide citation)

System and method embodiments are provided for optimizing offloading wireless services to a WLAN in 3GPP-RAT mobility. The embodiments enable changing network priority based on changing network conditions. In an embodiment, a method in a user equipment (UE) for offloading wireless services to a wire ...


3
Xiaobo Wu, Xiaoqin Duan, Jian Zhang, Yang Zhao, Qingyu Li: Generic access network and method for implementing services by using generic access network. Huawei Technologies, Huawei Technologies, March 24, 2015: US08989139 (2 worldwide citation)

A Generic Access Network (GAN) and a method for implementing services by using the GAN are disclosed. The GAN is configured to connect a generic IP network with a target network, and includes a Generic Access Network Controller (GANC) configured to enable a User Equipment (UE) to access the target n ...


4
Xiaobo Wu, Hai Liu: Method for falling back to 2G/3G network, relevant device and communication system. Huawei Technologies, Slater & Matsil L, April 1, 2014: US08688126 (2 worldwide citation)

Embodiments of the present invention provides a method for falling back to a 2G/3G network, a relevant device and a system. The embodiments of the present invention includes: receiving, by a mobility management entity, a first message from an access network device, where the first message carries lo ...


5
Jian Zhang, Xiaobo Wu, Xiaoqin Duan, Qingyu Li: Method, device and system of handover. Huawei Technologies, Brinks Gilson & Lione, August 26, 2014: US08817751 (2 worldwide citation)

A handover method includes an evolved mobile switching center (eMSC) that receives a relocation request from a first network and forwards the relocation request to a second network requesting the second network to establish its own media plane association. The eMSC establishes a media plane associat ...


6
Xiaobo Wu, Hai Liu, Lin Shu, Yanyan Chen, Weisheng Jin: Method and system for returning to long term evolution network and mobile switching center. Huawei Technologies, Leydig Voit & Mayer, November 15, 2016: US09497665 (1 worldwide citation)

Embodiments of the present invention disclose a method, a mobile switching center and a system for returning to a long term evolution network, which may prevent a UE which does not need to return to the LTE network from mistakenly returning to the LTE network. The method includes: receiving a first ...


7
Xiaolong Guo, Xiaobo Wu: Method and system for selecting network equipment. Huawei Technologies, Brinks Hofer Gilson & Lione, August 13, 2013: US08509163 (1 worldwide citation)

A method and a system for selecting network equipment are provided. The method includes: selecting a primary pool or a pool with the highest priority from preset information when UE needs to select network equipment; and selecting the network equipment for the UE from the selected primary pool or po ...


8
Weihua Zhou, Yali Guo, Wanqiang Zhang, Xiaobo Wu: Method, apparatus and system for device discovery. Huawei Technologies, Leydig Voit & Mayer, June 27, 2017: US09692836 (1 worldwide citation)

The present invention provides a method, an apparatus and a system for device discovery. The method includes: acquiring, by a first device, a user identification of a target user, and acquiring, according to the user identification of the target user, broadcast information of a second device which t ...


9
Xiaoying Xu, Dong Chen, Liwei Qiu, Xiaobo Wu: Method and apparatus for determining source SGSN. Huawei Technologies, December 27, 2016: US09532277 (1 worldwide citation)

Embodiments of the present invention provide a method and an apparatus for determining a source SGSN. The method for determining a source SGSN includes: obtaining addressing information of a source SGSN through a NAS message sent by a UE; and sending the addressing information of the source SGSN to ...


10
Xiaobo Wu, Hai Liu, Wei Xiao: Method, apparatus, and system for voice call fallback to circuit switched domain. Huawei Technologies, Brinks Gilson & Lione, May 9, 2017: US09648522 (1 worldwide citation)

A method for voice call fallback to a circuit switched (CS) domain disclosed in the present invention includes: receiving a Service Request message from a calling user equipment (UE), where the Service Request message includes called number information of a voice call in a CS domain, instructing an ...