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    • 11. 发明授权
    • Packet radio system and methods for a protocol-independent routing of a
data packet in packet radio networks
    • 分组无线电系统和用于分组无线电网络中数据分组的协议无关路由的方法
    • US5970059A
    • 1999-10-19
    • US875464
    • 1997-07-09
    • Juha-Pekka AhopeltoHannu Kari
    • Juha-Pekka AhopeltoHannu Kari
    • H04B7/26H04L12/66H04W76/04H04W88/16H04W92/02H04W92/24H04J3/16
    • H04W76/022H04L12/66H04W88/16H04W92/02H04W92/24
    • The present invention relates to a protocol-independent routing of data packets between a mobile station of a packet radio network and a party(Host) connected to an external network. In the invention, a data packet of an extraneous protocol(IPX) is transferred through a packet radio network using a second protocol as encapsulated in a data packet according to the second protocol. The transferring packet radio network does not thus need to understand the protocol of the transferred extraneous data packet or to be able to interpret the content of the data packet. A data packet network is connected to other packet radio networks, data networks or the backbone network between packet data networks via a gateway node(GPRS GSN), which uses the network-internal protocol towards the dedicated packet network and the protocol of each network towards other networks. When a data packet is transferred via a gateway node from a network into another network, the data packet is encapsulated in a packet according to the protocol of the new network. When the encapsulated data packet arrives in a node which supports the protocol of the encapsulated data packet, the encapsulation is stripped away and the data packet is routed forward according to the protocol of the data packet.
    • PCT No.PCT / FI96 / 00019 Sec。 371日期1997年7月9日第 102(e)日期1997年7月9日PCT 1996年1月8日PCT PCT。 公开号WO96 / 21983 日期1997年7月18日本发明涉及分组无线电网络的移动台与连接到外部网络的方(主机)之间的数据分组的协议无关的路由。 在本发明中,根据第二协议,通过分组无线电网络使用封装在数据分组中的第二协议来传送无关协议(IPX)的数据分组。 转移分组无线电网络不需要理解所传输的无关数据分组的协议或能够解释数据分组的内容。 数据分组网络通过网关节点(GPRS GSN)连接到分组数据网络之间的其他分组无线电网络,数据网络或骨干网络,网关节点(GPRS GSN)使用网络内部协议朝向专用分组网络和每个网络的协议 其他网络。 当数据包通过网关节点从网络传输到另一个网络时,根据新网络的协议将数据包封装在一个数据包中。 当封装的数据包到达支持封装数据包协议的节点时,封装被剥离,数据包根据数据包的协议向前发送。
    • 12. 发明授权
    • Data compression on a data connection
    • 数据连接上的数据压缩
    • US06434168B1
    • 2002-08-13
    • US09202203
    • 1998-12-07
    • Hannu Kari
    • Hannu Kari
    • H04J300
    • H04W28/06H03M7/30H04L29/06H04L69/04H04L69/24
    • The invention relates to compressing and transmitting data on a connection between two parties in a telecommunication system comprising at least one slow transmission channel, such as the air interface Um of the radio network. The data to be transmitted are assembled into frames (F) comprising a header section (1) and a data section (2). Prior to transmission, at least the header (1) or the data section (2) of at least some of the frames (F) are compressed. The transmitting party has available at least two different compression algorithms and the receiving party has available at least two different decompression algorithms. The transmitting party compresses at least one section (1, 2) of at least some of the frames (F) with at least two different algorithms, and transmits the frame (F) compressed with the algorithm that produced the best compression ratio.
    • 本发明涉及在包括诸如无线电网络的空中接口Um的至少一个慢速传输信道的电信系统中的双方之间的连接上压缩和发送数据。 要发送的数据被组合成包括报头部分(1)和数据部分(2)的帧(F)。 在发送之前,至少一些帧(F)的头部(1)或数据部分(2)被压缩。 发送方具有至少两种不同的压缩算法,并且接收方具有至少两种不同的解压缩算法。 发送方使用至少两种不同的算法压缩至少一些帧(F)的至少一个部分(1,2),并且发送用产生最佳压缩比的算法压缩的帧(F)。
    • 16. 发明授权
    • Method for optimizing performance in wireless networks
    • 无线网络性能优化方法
    • US07177277B2
    • 2007-02-13
    • US09957336
    • 2001-09-20
    • Juha KoponenJanne KalliolaHannu MallatHannu Kari
    • Juha KoponenJanne KalliolaHannu MallatHannu Kari
    • H04J3/24
    • H04L47/10H04L1/1874H04L1/1887H04L47/11H04L47/14H04L47/2458H04L47/25H04W28/06H04W28/10
    • A system and method for optimizing Internet data transmission so that end-user experience is the best possible. The invention has at least one class set for estimating the network load, wherein each class set consists of classes. The method estimates the network load by each class of the class set. The estimation may be based on counting retransmission requests or packet acknowledgements related to class sets. For example, a class set may consist of classes so that there is a class per each cell of the network. Then the method detects which packets cause a lot of retransmission requests and thus a lot of retransmissions. The method can intelligently target its acceleration actions to certain packets. Four new acceleration actions can be used together with the prior art acceleration actions to accelerate the network traffic.
    • 一种用于优化互联网数据传输的系统和方法,以便最终用户体验是最好的。 本发明具有用于估计网络负载的至少一个类集合,其中每个类集合由类组成。 该方法估计每个类集合的网络负载。 该估计可以基于与类集相关的重传请求或分组确认的计数。 例如,类集合可以由类组成,使得每个网络的每个单元都有一个类。 然后,该方法检测哪些数据包导致大量的重传请求,从而导致大量的重传。 该方法可以智能地将其加速动作定位到某些数据包。 可以与现有技术的加速动作一起使用四个新的加速动作来加速网络流量。
    • 17. 发明授权
    • Packet radio system, and a terminal equipment for a packet radio system
    • 分组无线电系统和分组无线电系统的终端设备
    • US5978386A
    • 1999-11-02
    • US860827
    • 1997-09-18
    • Jari HamalainenHannu KariArto Karppanen
    • Jari HamalainenHannu KariArto Karppanen
    • H04L12/56H04L29/06H04W76/04H04W88/16H04W92/02G06F13/00
    • H04L69/169H04L29/06H04L69/168H04W76/04H04L2212/00H04L69/16H04W88/16H04W92/02
    • A packet radio system encapsulates data packets of external data networks by a point-to-point protocol PPP (FIGS. 4A, 4B), and passes them through one or more sub-networks to a point which supports the protocol of the encapsulated data packet. In addition, a special radio link protocol of the packet radio network is required on the radio interface between a mobile data terminal equipment and a support node. PPP packets are encapsulated in data packets of said radio link protocol. The disadvantage of the arrangement is that the data packets of both the PPP protocol and the radio link protocol contain protocol-specific fields, which reduces the transmission capacity of user information. Therefore, a PPP packet is compressed (FIG. 4C) before the encapsulation (FIG. 4D) by removing therefrom the unnecessary control fields. After having been transferred over the radio interface, the PPP packet is decompresssed into its original format (FIGS. 4F, 4G).
    • PCT No.PCT / FI96 / 00020 Sec。 371日期:1997年9月18日 102(e)1997年9月18日PCT PCT 1996年1月8日PCT公布。 第WO96 / 21984号公报 日期1996年7月18日分组无线电系统通过点对点协议PPP封装外部数据网络的数据分组(图4A,4B),并将它们通过一个或多个子网络传送到支持该协议的点 的封装数据包。 此外,在移动数据终端设备和支持节点之间的无线电接口上需要分组无线电网络的特殊无线电链路协议。 PPP数据包被封装在所述无线电链路协议的数据分组中。 这种安排的缺点是PPP协议和无线链路协议的数据包都包含特定于协议的字段,从而降低用户信息的传输容量。 因此,在封装(图4D)之前通过从其中移除不必要的控制字段来压缩PPP数据包(图4C)。 在通过无线电接口传送之后,PPP分组被解压缩成其原始格式(图4F,4G)。
    • 19. 发明授权
    • Channel allocation method for a packet network
    • 分组网络的信道分配方法
    • US06597682B1
    • 2003-07-22
    • US09194947
    • 1999-07-14
    • Hannu Kari
    • Hannu Kari
    • H04B7212
    • H04W72/0446H04J3/1647H04J3/1682
    • A method for allocating a data transmission channel/sub-channel in a telecommunication network. A network includes a telecommunication controller (BTS) and several terminal equipments (MS). The transmission channel is divided into one or more time slots, each of which comprises one or more sub-channels. One or more time slots or sub-channels can be used as a control channel that is further divided into one or more control sub-channels. The terminal equipments (MS) send data in data packets at least on one sub-channel. The telecommunication controller (BTS) sends to the terminal equipments (MS) information about control sub-channels and their allocation situation. Different priorities (P1 to P4) are assigned to the data packets to be sent and to be control sub-channels and their allocation priority of the data packet to be sent and the priority of the control sub-channels, each terminal equipment (MS) determines the moments when it may send a channel request.
    • 一种用于在电信网络中分配数据传输信道/子信道的方法。 网络包括电信控制器(BTS)和多个终端设备(MS)。 传输信道被分成一个或多个时隙,每个时隙包括一个或多个子信道。 一个或多个时隙或子信道可以用作进一步分为一个或多个控制子信道的控制信道。 终端设备(MS)至少在一个子信道上发送数据包中的数据。 电信控制器(BTS)向终端设备(MS)发送关于控制子信道及其分配情况的信息。 不同的优先级(P1到P4)被分配给要发送的数据分组,并且是要被发送的数据分组的控制子信道及其分配优先级和控制子信道的优先级,每个终端设备(MS) 确定它可能发送频道请求的时刻。