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公开(公告)号：US08433362B2
公开(公告)日：2013-04-30
申请号：US13135480
申请日：2011-07-06
IPC分类号： H04W36/00
摘要： A handover control apparatus selects, as a target station, an adjacent station having an upturn and stable transition trend of reception level of a radio wave received by a radio, when necessity to carry out handover is determined, and performs handover for switching from a serving station to the target station when the transition trend of the reception level of the received radio wave from the serving station is in a downturn trend and a calculation value of a serving station approximation equation is smaller than a calculation value of an adjacent station approximation equation at a determination timing.
摘要翻译： 切换控制装置选择当无线电接收到的无线电波的接收电平具有上升和稳定的转变趋势的相邻站作为目标站时，确定执行切换的必要性，并且执行从服务切换的切换 当从服务站接收到的无线电波的接收电平的转变趋势处于下降趋势并且服务站近似方程的计算值小于相邻站近似方程式的计算值时，站到目标站 确定时间。
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2.发明申请公开(公告)号：US20110263257A1
公开(公告)日：2011-10-27
申请号：US13066621
申请日：2011-04-20
申请人： Yoshiyuki Kago , Michio Shamoto , Yoichi Yoshikura
发明人： Yoshiyuki Kago , Michio Shamoto , Yoichi Yoshikura
IPC分类号： H04W36/00
CPC分类号： H04W36/0083 , H04W36/245 , H04W36/32
摘要： In a handover control apparatus, a terminal is wirelessly connected with one of base stations to establish a wireless data communications connection. The terminal executes a handover process using a handover process section when an electric wave state becomes lower than a threshold value, which is variable. The threshold value can be adjusted according to a moving speed of the terminal. Furthermore, the threshold value is corrected according to the past electric wave state. The threshold value is corrected according to a difference of (i) a minimum electric wave state in a preceding handover process, and (ii) a lower limit. The correction is executed so as to reduce an excessive decline of an electric wave state in a succeeding handover process. Deterioration of a communications quality during a handover process can be thereby suppressed.
摘要翻译： 在切换控制装置中，终端与基站之一无线连接以建立无线数据通信连接。 当电波状态变得低于可变的阈值时，终端使用切换处理部执行切换处理。 可以根据终端的移动速度来调整阈值。 此外，根据过去的电波状态来校正阈值。 根据（i）先前的切换处理中的最小电波状态和（ii）下限的差异来校正阈值。 执行校正以减少在后续切换处理中电波状态的过度下降。 因此可以抑制切换处理期间的通信质量恶化。
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3.发明授权公开(公告)号：US08781478B2
公开(公告)日：2014-07-15
申请号：US13066621
申请日：2011-04-20
申请人： Yoshiyuki Kago , Michio Shamoto , Yoichi Yoshikura
发明人： Yoshiyuki Kago , Michio Shamoto , Yoichi Yoshikura
CPC分类号： H04W36/0083 , H04W36/245 , H04W36/32
摘要： In a handover control apparatus, a terminal is wirelessly connected with one of base stations to establish a wireless data communications connection. The terminal executes a handover process using a handover process section when an electric wave state becomes lower than a threshold value, which is variable. The threshold value can be adjusted according to a moving speed of the terminal. Furthermore, the threshold value is corrected according to the past electric wave state. The threshold value is corrected according to a difference of (i) a minimum electric wave state in a preceding handover process, and (ii) a lower limit. The correction is executed so as to reduce an excessive decline of an electric wave state in a succeeding handover process. Deterioration of a communications quality during a handover process can be thereby suppressed.
摘要翻译： 在切换控制装置中，终端与基站之一无线连接以建立无线数据通信连接。 当电波状态变得低于可变的阈值时，终端使用切换处理部执行切换处理。 可以根据终端的移动速度来调整阈值。 此外，根据过去的电波状态来校正阈值。 根据（i）先前的切换处理中的最小电波状态和（ii）下限的差异来校正阈值。 执行校正以减少在后续切换处理中电波状态的过度下降。 因此可以抑制切换处理期间的通信质量恶化。
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公开(公告)号：US20120015685A1
公开(公告)日：2012-01-19
申请号：US13135480
申请日：2011-07-06
IPC分类号： H04W36/00
摘要： A handover control apparatus selects, as a target station, an adjacent station having an upturn and stable transition trend of reception level of a radio wave received by a radio, when necessity to carry out handover is determined, and performs handover for switching from a serving station to the target station when the transition trend of the reception level of the received radio wave from the serving station is in a downturn trend and a calculation value of a serving station approximation equation is smaller than a calculation value of an adjacent station approximation equation at a determination timing.
摘要翻译： 切换控制装置选择当无线电接收到的无线电波的接收电平具有上升和稳定的转变趋势的相邻站作为目标站时，确定执行切换的必要性，并且执行从服务切换的切换 当从服务站接收到的无线电波的接收电平的转变趋势处于下降趋势并且服务站近似方程的计算值小于相邻站近似方程式的计算值时，站到目标站 确定时间。
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