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    • 2. 发明授权
    • Non-3GPP to 3GPP network handover optimizations
    • 非3GPP到3GPP网络切换优化
    • US08781474B2
    • 2014-07-15
    • US13888966
    • 2013-05-07
    • Panasonic Corporation
    • Jens BachmannShinkichi IkedaKilian WenigerTakashi Aramaki
    • H04W36/00
    • H04W36/14H04W36/0033H04W36/0066H04W36/32H04W60/04
    • A method for a handover of a mobile node from a non-3GPP to a 3GPP network, and of a mobile node, which is located in a non-3GPP/3GPP network. The handover is improved by discovering an appropriate MME and registering the mobile node at the discovered mobility management entity (MME), in advance. This includes to first determine the location of the mobile node in the non-3GPP network, so as to be able to detect an MME in the vicinity of the mobile node's location. The 3GPP contexts are then transmitted to the new MME before the handover is performed. Moreover, the Serving-Gateway in the 3GPP network is changed before performing a handover, thereby accelerating the handover. When a handover gets likely, the mobile node's location is determined and a new Serving-Gateway is selected. The data path is changed to go via the new Serving-Gateway.
    • 一种移动节点从非3GPP切换到3GPP网络以及位于非3GPP / 3GPP网络中的移动节点的方法。 通过发现适当的MME并且在发现的移动性管理实体(MME)处预先注册移动节点来改进切换。 这包括首先确定非3GPP网络中的移动节点的位置,以便能够检测移动节点位置附近的MME。 然后在执行切换之前将3GPP上下文发送到新的MME。 此外,在执行切换之前,3GPP网络中的服务网关被改变,从而加速切换。 当切换可能时,确定移动节点的位置并选择新的服务网关。 数据路径被更改为通过新的服务网关。
    • 5. 发明授权
    • Radio receiver apparatus and radio transmitter apparatus
    • 无线电接收装置和无线电发射机装置
    • US08521108B2
    • 2013-08-27
    • US13734604
    • 2013-01-04
    • Panasonic Corporation
    • Kenichi MiyoshiAkihiko NishioTakashi IwaiSadaki FutagiKatsuiko HiramatsuDaichi ImamuraTakashi Aramaki
    • G06F3/033
    • H04L27/2666H04L25/03159H04L27/2607H04L27/2646H04L27/2647H04L27/2662
    • A radio receiver apparatus that can effectively utilize GI to improve the reception quality. In this apparatus, a data extracting part extracts a data portion of a direct wave from a signal subjected to a radio reception process by a received RF part. A GI extracting part extracts, from the signal subjected to the radio reception process by the received RF part, GI having a length determined by an extracted GI length deciding part. The extracted GI is adjusted by a data position adjusting part such that its rear end coincides with the read end of the extracted data portion. A combining part combines the extracted data portion with the GI the data position of which has been adjusted. The combined signal is then supplied to a frequency axis equalizing part, which equalizes the signal distortions of the combined signal on the frequency axis.
    • 能够有效地利用GI来提高接收质量的无线接收装置。 在该装置中,数据提取部从接受RF部的无线接收处理的信号中提取直接波的数据部分。 GI提取部从由接收的RF部分进行的无线接收处理的信号提取具有由提取的GI长度确定部分确定的长度的GI。 提取的GI由数据位置调整部调整,使得其后端与提取的数据部分的读取端一致。 组合部分将提取的数据部分与其数据位置已被调整的GI组合。 然后,组合的信号被提供给频率轴均衡部分,其对频率轴上的组合信号的信号失真进行均衡。