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    • 1. 发明授权
    • Method and arrangement for providing fast cell change in a packet-switched cellular radio system
    • 在分组交换蜂窝无线电系统中提供快速小区改变的方法和装置
    • US06714784B1
    • 2004-03-30
    • US09591628
    • 2000-06-09
    • Mika ForssellJanne ParantainenShkumbin Hamiti
    • Mika ForssellJanne ParantainenShkumbin Hamiti
    • H04Q720
    • H04W36/0005H04W36/12
    • A method is presented for implementing a cell change for a mobile station (MS) in a packet-switched cellular radio system comprising a first base station (BTSold), a second base station (BTSnew) and a controlling unit (PCU, PCUold) controlling the operation of at least the first base station (BTSold). The method comprises the steps of establishing at the controlling unit (PCU, PCUold) the knowledge about the mobile station's (MS) need for performing a cell change from the cell of the first base station (BTSold) to the cell of the second base station BTSnew) while the mobile station (MS) is still communicating with the first base station (BTSold), transmitting from the controlling unit (PCU, PCUold) towards the mobile station through the first base station (BTSold) a first message (207, 309, 410) in order to fix an oncoming first moment of lime (209) as the moment of performing cell change and from said first moment of time onwards (209) providing access for the mobile station to the cell of the second base station.
    • 提出了一种在分组交换蜂窝无线电系统中实现移动台(MS)的小区改变的方法,包括:第一基站(BTSold),第二基站(BTS新)和控制单元(PCU,PCUold) 至少第一基站(BTSold)的操作。 该方法包括以下步骤:在控制单元(PCU,PCUold)上建立关于从第一基站(BTSold)的小区到第二基站BTS的小区执行小区改变的移动台(MS)需求的知识 ),同时移动台(MS)仍然与第一基站(BTSold)通信,通过第一基站(BTSold)从控制单元(PCU,PCUold)向移动台发送第一消息(207,309, 410),以便将来临的第一时刻(209)固定为执行小区改变的时刻,并且从所述第一时刻起(209)向移动站提供对第二基站的小区的接入。
    • 2. 发明申请
    • Packet-switched handover
    • 分组交换切换
    • US20060291416A1
    • 2006-12-28
    • US10571892
    • 2004-08-25
    • Vlora RexhepiGuillaume SebireShkumbin HamitiJanne Parantainen
    • Vlora RexhepiGuillaume SebireShkumbin HamitiJanne Parantainen
    • H04Q7/00H04L12/56
    • H04W36/12
    • A packet-switched handover from a first cell to a second cell in a cellular network is discussed. Packet-switched services are provided for a mobile station in the first cell based on a set of information relating to provision of packet-switched services and a protocol for handling provision of packet-switched services for mobile stations, said protocol being a protocol between a cell and a respective control network element. In a control network element relating to the first cell a first message is received, which indicates a request for a packet-switched handover for a mobile station. In response to said first message, a second message is sent to the second cell. This second message requests creation of a set of information relating to provision of packet-switched services for the mobile station in the second cell, and the second message belongs to said protocol for handling provision of packet-switched services for mobile stations.
    • 讨论了从蜂窝网络中的第一小区到第二小区的分组交换切换。 基于与提供分组交换服务有关的信息集合和用于处理为移动站提供分组交换服务的协议提供用于第一小区中的移动站的分组交换服务,所述协议是在 小区和相应的控制网元。 在与第一小区相关的控制网络单元中,接收到第一消息,其指示移动站的分组交换切换的请求。 响应于所述第一消息,第二消息被发送到第二小区。 该第二消息请求创建关于在第二小区中为移动台提供分组交换服务的一组信息,并且第二消息属于用于处理为移动台提供分组交换服务的所述协议。
    • 3. 发明授权
    • Packet-switched handover
    • 分组交换切换
    • US08077680B2
    • 2011-12-13
    • US10571892
    • 2004-08-25
    • Vlora RexhepiGuillaume SebireShkumbin HamitiJanne Parantainen
    • Vlora RexhepiGuillaume SebireShkumbin HamitiJanne Parantainen
    • H04B7/216
    • H04W36/12
    • A packet-switched handover from a first cell to a second cell in a cellular network is discussed. Packet-switched services are provided for a mobile station in the first cell based on a set of information relating to provision of packet-switched services and a protocol for handling provision of packet-switched services for mobile stations, said protocol being a protocol between a cell and a respective control network element. In a control network element relating to the first cell a first message is received, which indicates a request for a packet-switched handover for a mobile station. In response to said first message, a second message is sent to the second cell. This second message requests creation of a set of information relating to provision of packet-switched services for the mobile station in the second cell, and the second message belongs to said protocol for handling provision of packet-switched services for mobile stations.
    • 讨论了从蜂窝网络中的第一小区到第二小区的分组交换切换。 基于与提供分组交换服务有关的信息集合和用于处理为移动站提供分组交换服务的协议提供用于第一小区中的移动站的分组交换服务,所述协议是在 小区和相应的控制网元。 在与第一小区相关的控制网络单元中,接收到第一消息,其指示移动站的分组交换切换的请求。 响应于所述第一消息,第二消息被发送到第二小区。 该第二消息请求创建关于在第二小区中为移动台提供分组交换服务的一组信息,并且第二消息属于用于处理为移动台提供分组交换服务的所述协议。
    • 5. 发明授权
    • Header compression in real time service
    • 标题压缩实时服务
    • US06751209B1
    • 2004-06-15
    • US09505643
    • 2000-02-16
    • Shkumbin HamitiJanne Parantainen
    • Shkumbin HamitiJanne Parantainen
    • H24L324
    • H04L29/06H04L1/0025H04L67/2823H04L67/2828H04L69/04H04L69/22H04L69/329
    • A method for transferring a data packet from a compressor to a decompressor said data packet including a header with header data fields. A number of the header data fields that remain constant during the data transfer are stored in the decompressor. In a compressed data packet, a header data field that varies is replaced by a compressed value identifying a data packet in a compression sequence. In the decompressor context data comprising information for relating the received compressed value to a corresponding compression sequence is maintained and the information is updated according to the received compressed values. The compressed value and the information of the corresponding compression sequence are used for mapping the compressed value into a decompressed header data field. Thus compressed data is unambiguously mapped to a full packet data header field in the decompressor side throughout the session.
    • 一种用于将数据分组从压缩器传送到解压缩器的方法,所述数据分组包括具有报头数据字段的报头。 在数据传输期间保持恒定的多个报头数据字段被存储在解压缩器中。 在压缩数据分组中,变化的报头数据字段被以压缩序列识别数据分组的压缩值代替。 在解压缩器上下文中,维护包含用于将接收到的压缩值与相应的压缩序列相关的信息的数据,并根据所接收的压缩值更新信息。 压缩值和相应压缩序列的信息用于将压缩值映射到解压缩报头数据字段。 因此,在整个会话期间,压缩数据被明确地映射到解压缩器侧的完整分组数据报头字段。
    • 10. 发明授权
    • Communication system and method providing a mode selection procedure
    • 提供模式选择过程的通信系统和方法
    • US07688745B1
    • 2010-03-30
    • US10343706
    • 2000-08-14
    • Tuija HurttaMikko PuuskariShkumbin HamitiTeemu JäppinenMarc GreisSerge Haumont
    • Tuija HurttaMikko PuuskariShkumbin HamitiTeemu JäppinenMarc GreisSerge Haumont
    • H04L12/26
    • H04W28/18H04L69/24H04W8/18
    • The invention relates to a method and a communication system comprising at least one first network element connectable to a second network element. At least one of the first and second network elements use one of two or more selectable modes for communicating with another network element. One or both of the network elements, or a third network element, which is connectable with the first and second network elements, performs a mode selection procedure for selecting the same mode for bidirectional communication between the network elements. The modes preferably are different codec types, channel-coding schemes, or radio interface protocol types. The first and/or second network elements may be portable terminal equipments and the third network element preferably is a support node or a means providing a support function such as a CSCF. The mode selection ensures use of one and the same mode, such as a codec, in uplink and downlink directions enabling IP telephony in UMTS using SIP protocol.
    • 本发明涉及包括可连接到第二网络元件的至少一个第一网络元件的方法和通信系统。 第一和第二网络元件中的至少一个使用两个或多个可选模式中的一个来与另一个网络元件进行通信。 可与第一和第二网络元件连接的网络元件或第三网络元件中的一个或两个执行模式选择过程,用于为网络元件之间的双向通信选择相同模式。 这些模式优选地是不同的编解码器类型,信道编码方案或无线电接口协议类型。 第一和/或第二网元可以是便携式终端设备,并且第三网元优选地是支持节点或者提供诸如CSCF的支持功能的装置。 模式选择确保在上行链路和下行链路方向上使用一种相同的模式,例如编解码器,使得能够使用SIP协议的UMTS中的IP电话。