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    • 1. 发明授权
    • Database management method and database management apparatus
    • 数据库管理方法和数据库管理装置
    • US07908245B2
    • 2011-03-15
    • US12039443
    • 2008-02-28
    • Yoshihisa NakanoTakayuki NakazawaNaohiro Ito
    • Yoshihisa NakanoTakayuki NakazawaNaohiro Ito
    • G06F7/00
    • G06F17/30315
    • Database management involving obtaining a request of update of a record of a database including: (i) pages with records, each including data and transaction identification information (XID) that has a range that is divided by a predetermined range; and (ii) generation identification information (GID) that is increased when the XID's value exceeds the divided range, where the page includes a GID header indicating the earliest GID of the records of the page. Also, reading a page's GID header when switching pages, comparing the GID header with the present GID of the present XID, and performing a freeze process to the record having the XID included in the page's GID header when the GID header's value is less than the difference between the GID's value to which the present XID belongs and a predetermined value.
    • 数据库管理涉及获得更新数据库记录的请求,包括:(i)具有记录的页面,每个页面包括具有被划分预定范围的范围的数据和事务标识信息(XID); 以及(ii)当XID的值超过分割范围时增加的生成识别信息(GID),其中页面包括指示页面的记录的最早GID的GID标题。 此外,当切换页面时,读取页面的GID头部,将GID头部与当前XID的当前GID进行比较,并且当GID头部的值小于该GID头部的值时,对包含在页面的GID头部中的具有XID的记录执行冻结处理 当前XID所属的GID值与预定值之间的差异。
    • 2. 发明申请
    • DATABASE MANAGEMENT METHOD AND DATABASE MANAGEMENT APPARATUS
    • 数据库管理方法和数据库管理装置
    • US20080222209A1
    • 2008-09-11
    • US12039443
    • 2008-02-28
    • Yoshihisa NakanoTakayuki NakazawaNaohiro Ito
    • Yoshihisa NakanoTakayuki NakazawaNaohiro Ito
    • G06F17/30
    • G06F17/30315
    • According to an aspect of an embodiment, a method for managing a database for records of transactions, each of the transaction specifying an order of processing, and being associated with a value related to generation of the transaction, said database comprising a plurality of page data containing a plurality of records, each of the records comprising data and information indicative of the value of one of said transactions, the method comprising the steps of: reading out one of said page data containing a target record of request of a transaction associated with the target record from said database; evaluating each value associated with the transactions in the page data; and invaliding the record associated with a value greater than a predetermined value.
    • 根据实施例的一个方面,一种用于管理用于事务记录的数据库的方法,每个事务指定处理的顺序,并且与与事务的生成有关的值相关联,所述数据库包括多个页面数据 包含多个记录,每个记录包括指示所述交易之一的数据和信息的信息,所述方法包括以下步骤:读出包含与所述交易相关联的交易的请求的目标记录的所述页面数据之一 来自所述数据库的目标记录; 评估与页面数据中的交易相关联的每个值; 并且使得与大于预定值的值相关联的记录无效。
    • 3. 发明授权
    • Load redistribution method and system for reducing interference in a wireless network
    • 负载再分配方法和系统,以减少无线网络中的干扰
    • US07697482B2
    • 2010-04-13
    • US11408055
    • 2006-04-21
    • Yoshihisa Nakano
    • Yoshihisa Nakano
    • H04W4/00
    • H04W36/22H04W28/08
    • A wireless network in which wireless terminals associate with particular access points maintains information about the positions and associations of the terminals and calculates loads on access points. To provide increased bandwidth at a heavily loaded access point, terminals associated with adjacent access points are handed over to more distant access points, so that the adjacent access points become less active and generate less interference. The hand-over is initiated and carried out by the access points concerned, rather than by the terminal that is handed off. Loads can accordingly be balanced promptly and interference can be reduced.
    • 无线终端与特定接入点相关联的无线网络维护关于终端的位置和关联的信息,并且计算接入点上的负载。 为了在重负载的接入点处提供增加的带宽,与相邻接入点相关联的终端被切换到更远的接入点,使得相邻接入点变得较不有效并且产生更少的干扰。 移交由相关接入点发起并执行,而不是由终端进行。 因此,负载可以及时平衡,可以减少干扰。
    • 7. 发明授权
    • Mobile communication system and wireless base station device
    • 移动通信系统和无线基站设备
    • US07546111B2
    • 2009-06-09
    • US11356226
    • 2006-02-17
    • Yoshihisa Nakano
    • Yoshihisa Nakano
    • H04M11/04H04M1/00H04Q7/20
    • H04W64/00H04W36/22H04W36/32
    • A mobile communication system with which the time required for handover is short and which has a superior network operating efficiency. In the mobile communication system of the present invention, each wireless base station measures the strength of the radio waves received from a wireless terminal irrespective of whether or not the destination of the radio waves is the wireless base station itself. The respective wireless base stations mutually provide the radio wave strength measurement result. The wireless base stations replies to the request for handover from wireless terminal only when the radio wave of itself is strongest. In addition, when the processing load is large, the wireless base station selects another wireless base station for which the radio wave strength from the wireless terminal is large and switches the connection.
    • 移动通信系统,切换所需的时间短,具有优异的网络运行效率。 在本发明的移动通信系统中,每个无线基站测量从无线终端接收的无线电波的强度,而不管无线电的目的地是否是无线基站本身。 各无线基站相互提供无线电波强度测量结果。 无线基站本身的无线电波最强时,无线终端仅从无线终端回复请求切换。 此外,当处理负荷大时,无线基站选择另一个无线终端的无线电波强度大的无线基站,切换连接。