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System and method for single radio handover

A wireless, single technology, applied in wireless communication, electrical components, network topology, etc., can solve the problems of increasing peak power requirements of mobile devices and shortening battery life

Active Publication Date: 2015-05-27
HUAWEI TECH CO LTD
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Problems solved by technology

It should be noted that simultaneously powering multiple transmitters may reduce battery life and increase peak power requirements of mobile devices

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  • System and method for single radio handover
  • System and method for single radio handover
  • System and method for single radio handover

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Embodiment Construction

[0033] The making and using of embodiments of the invention are discussed in detail below. It should be appreciated, however, that the present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention.

[0034] Various aspects of the present invention provide techniques and mechanisms for a mobile node (MN) to realize single wireless handover between heterogeneous networks. One of the techniques allows the MN to activate the target radio interface's receiver without activating the target radio interface's transmitter, thereby allowing the MN to perform target network discovery while the target radio interface remains deactivated. Another technique allows the MN to perform link preparation / pre-registration for a future target wireless link using the source wireless link, t...

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Abstract

Single radio handovers (SRHOs) between heterogonous networks can be facilitated using several techniques. One such technique includes activating a receiver of a target radio interface in a mobile node without activating a transmitter of the target radio interface, thereby allowing the mobile node to perform target network discovery while the transmitter of the target radio interface remains deactivated. Another such technique includes encapsulating link-layer discovery frames into media independent handover frames (MIH), and then tunneling the MIH frames over a tunnel extending through the source network. This may allow the MN to achieve various handover related tasks without activating the target radio link. Another technique includes establishing a schedule (or delay period) for synchronizing deactivation of the source radio interface with activation of the transmitter in the target radio interface.

Description

[0001] The present invention claims U.S. Provisional Application No. 61 / 669966, filed July 10, 2012, entitled "System and Method for Single Radio Handover" and filed July 9, 2013 Priority claim to U.S. nonprovisional application No. 13 / 937,969, entitled "System and Method for Single Radio Handover," filed on Incorporated into this text by reference as if reproduced in its entirety. technical field [0002] The present invention relates to a system and method for wireless communication, and in particular embodiments, to a system and method for single wireless handover. Background technique [0003] Modern mobile devices may have the ability to communicate using a variety of communication protocols. For example, a mobile device may be able to communicate with 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) cellular networks and wireless local area networks (WLANs) operating under Wi-Fi Alliance protocols. Typically, a different wireless interface will be ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00
CPCH04W36/005H04W36/14H04W88/06H04W84/12H04W36/18
Inventor 亨黄安东尼·陈央后·帕克李雄厚
Owner HUAWEI TECH CO LTD
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