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    • 3. 发明授权
    • Method and transmitter for an efficient packet data transfer in a transmission protocol with repeat requests
    • 用于具有重复请求的传输协议中的有效分组数据传输的方法和发射机
    • US07870259B2
    • 2011-01-11
    • US10479268
    • 2002-05-24
    • Michael MeyerJanne PeisaBela RathonyiJoachim SachsStefan WagerToomas Wigell
    • Michael MeyerJanne PeisaBela RathonyiJoachim SachsStefan WagerToomas Wigell
    • H04B1/44G06F15/16G06F15/173G06F15/177
    • H04L1/1887H04L1/1685H04L1/1809H04L1/1812H04L1/1845H04L1/1883
    • In a method for the transmission of data packets (D) from a transmitter (TR) to a receiver (RE) identification of transmitted data packets are stored. Defective data packets (D) are detected by the receiver (RE), status messages (S) which request defective data packets for retransmission are sent from the receiver (RE) to the transmitter (TR) and retransmissions of requested data packets are performed according to the status messages (S). The transmitter (TR) evaluates a first status message (S11) with an identification of at least one first requested data packet and retransmits the first data packet. The transmitter (TR) then initializes a timing unit according to the retransmission of the first data packet, wherein the timing unit or a threshold for the timing unit is attributable to the first data packet. When the transmitter evaluates a further status message (S12) and detects at least one further data packet that is requested for a retransmission, it selects the further data packet if the timing unit has reached the threshold or if the identification of the further data packet is different from the identification of the first data packets. Only the selected data packets are retransmitted. A transmitter and software programs embodying the invention are also described.
    • 在从发射机(TR)向接收机(RE)发送数据分组(D)的方法中,存储所发送的数据分组的标识。 由接收机(RE)检测到有缺陷的数据分组(D),从接收机(RE)向发射机(TR)发送请求用于重传的有缺陷的数据分组的状态消息(S),并且根据 到状态消息(S)。 发射机(TR)用至少一个第一请求数据分组的标识来评估第一状态消息(S11),并重发第一数据分组。 然后,发射机(TR)根据第一数据分组的重传来初始化定时单元,其中定时单元或定时单元的阈值可归因于第一数据分组。 当发射机评估进一步的状态消息(S12)并且检测到至少一个另外的数据分组被请求进行重传时,如果定时单元已经达到阈值,则其选择另外的数据分组,或者如果另外的数据分组的标识是 不同于第一个数据包的识别。 只重新选择数据包。 还描述了体现本发明的发射机和软件程序。
    • 4. 发明申请
    • TBF BI-DIRECTIONAL OPTIMIZATION FOR TCP
    • TBF BI方向优化TCP
    • US20090034462A1
    • 2009-02-05
    • US12169027
    • 2008-07-08
    • Roger KaldenMichael Meyer
    • Roger KaldenMichael Meyer
    • H04W88/00
    • H04L29/06H04L69/16H04L69/163H04W72/12
    • In a data communication network a first and second network site, communicate by sending a first data transmission from the first network site to a second network site and by sending a second data transmission from said second network site to said first network site. Data transmission characteristics of said first data transmission are determined and radio resources for said data transmission are allocated based on the determined first data transmission characteristics. Thus, the radio resources for the second data transmission are correlated with characteristics of the first data transmission and thus delays in the data transmission between the first and second network site can be avoided.
    • 在数据通信网络中,第一和第二网络站点通过从第一网络站点发送第一数据传输到第二网络站点并且通过从所述第二网络站点发送第二数据传输到所述第一网络站点进行通信。 确定所述第一数据传输的数据传输特性,并且基于所确定的第一数据传输特性来分配用于所述数据传输的无线电资源。 因此,用于第二数据传输的无线电资源与第一数据传输的特性相关,因此可以避免第一和第二网络站点之间的数据传输的延迟。
    • 5. 发明授权
    • TBF bi-directional optimization for TCP
    • TBF双向优化TCP
    • US07417966B2
    • 2008-08-26
    • US10370861
    • 2003-02-21
    • Roger KaldenMichael Meyer
    • Roger KaldenMichael Meyer
    • H04Q7/00H04Q7/28H04Q7/20G08C25/02H04B7/212
    • H04L29/06H04L69/16H04L69/163H04W72/12
    • In a data communication network (SYS) a first and second network site (BSS), (MS) communicate by sending a first data transmission (DT1) from the first network site (BSS) to a second network site (MS) and by sending a second data transmission (DT2) from said second network site (MS) to said first network site (BSS). In accordance with the invention data transmission characteristics (DTC1) of said first data transmission (DT1) are determined and radio resources for said data transmission (DT2) are allocated based on the determined first data transmission characteristics (DTC1). Thus, the radio resources for the second data transmission (DT2) are correlated with characteristics of the first data transmission (DT1) and thus delays in the data transmission between the first and second network site (BSS, MS) can be avoided. The invention finds particular application in data transmission networks, for example in a TCP/IP network, in which a link layer protocol context, for example a Temporary Block Flow (TBF), has to be set up for the data transmissions. In such applications the invention can reduce the data packet transmission delay by avoiding unnecessary TBF setup/tearing down procedures.
    • 在数据通信网络(SYS)中,第一和第二网络站点(BSS),(MS)通过从第一网络站点(BSS)向第二网络站点(MS)发送第一数据传输(DT 1)和通过 从所述第二网络站点(MS)向所述第一网络站点(BSS)发送第二数据传输(DT 2)。 根据本发明,基于所确定的第一数据传输特性(DTC 1),确定所述第一数据传输(DT 1)的数据传输特性(DTC 1)并分配用于所述数据传输(DT 2)的无线电资源。 因此,用于第二数据传输的无线电资源(DT 2)与第一数据传输(DT 1)的特性相关,因此可以避免第一和第二网络站点(BSS,MS)之间的数据传输的延迟。 本发明在例如在TCP / IP网络中的数据传输网络中发现特定应用,其中必须为数据传输建立链路层协议上下文(例如临时块流(TBF))。 在这种应用中,本发明可以通过避免不必要的TBF设置/拆除过程来减少数据分组传输延迟。
    • 6. 发明授权
    • TBF bi-directional optimization for TCP
    • TBF双向优化TCP
    • US08089926B2
    • 2012-01-03
    • US12169027
    • 2008-07-08
    • Roger KaldenMichael Meyer
    • Roger KaldenMichael Meyer
    • H04W4/00
    • H04L29/06H04L69/16H04L69/163H04W72/12
    • In a data communication network a first and second network site, communicate by sending a first data transmission from the first network site to a second network site and by sending a second data transmission from said second network site to said first network site. Data transmission characteristics of said first data transmission are determined and radio resources for said data transmission are allocated based on the determined first data transmission characteristics. Thus, the radio resources for the second data transmission are correlated with characteristics of the first data transmission and thus delays in the data transmission between the first and second network site can be avoided.
    • 在数据通信网络中,第一和第二网络站点通过从第一网络站点发送第一数据传输到第二网络站点并且通过从所述第二网络站点发送第二数据传输到所述第一网络站点进行通信。 确定所述第一数据传输的数据传输特性,并且基于所确定的第一数据传输特性来分配用于所述数据传输的无线电资源。 因此,用于第二数据传输的无线电资源与第一数据传输的特性相关,因此可以避免第一和第二网络站点之间的数据传输的延迟。