Idle Mode Operation in the Heterogeneous Network with Conventional Macro Cell and MMW Small Cell
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Aug 29, 2017
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Apr 30, 2015
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Apparatus and methods are provided to handle idle mode operation in the heterogeneous network with conventional macro cell and millimeter wave (mmW) small cells. In one novel aspect, the UE camps on both the macro cell and the mmW small cell. The UE receives system information that includes information of mmW small cells and paging messages from the macro cell and establishes RRC connection with one of the mmW small cell. In one embodiment, the UE performs mmW small cell discovery upon obtaining mmW small cell information. In another embodiment, the UE performs the mmW small cell discovery if the mobility status indicates low mobility and/or the traffic type is suitable for the mmW small cell. In another novel aspect, the UE receives the paging request from the macro cell and sends the paging response to the mmW small cell base station who forwards the paging response to the MME.
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