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    ROUND-TRIP DELAY OPTIMIZATION OF MULTIPLEXED SPEECH CHANNELS
    71.
    发明专利
    ROUND-TRIP DELAY OPTIMIZATION OF MULTIPLEXED SPEECH CHANNELS 未知

    公开(公告)号：CA2287432C

    公开(公告)日：2007-10-23

    申请号：CA2287432

    申请日：1998-04-07

    Applicant: ERICSSON TELEFON AB L M

    Inventor： WESTBERG LARS ,  VALKO ANDRAS

    IPC: H04J3/00 ,  H04J3/24 ,  H04L12/56 ,  H04Q11/04

    Abstract: Data packets are transmitted in forward and backward directions via a multiplexed communications medium, wherein each of the data packets is associated with a corresponding one of a plurality of connections . Transmission is performed by, for each connection, assigning a forward delay limit and a corresponding backward delay limit, wherein the sum of the forward and backward delay limits is equal to a round-trip delay bound for the connection. The assigned forward delay limits are used to determine the order in which the data packets supplied by the plurality of connections will be transmitted in the forward direction. Similarly, the assigned backward delay limits are used to determine the order in which the data packets supplied by the plurality o f connections will be transmitted in the backward direction. One embodiment accomplishes the forward and backward delay limit assignments by maintaining forward and backward lists of connection identifiers sorted in, for example, ascending order based on time of connection establishment in the forward direction, and in descending order based on time of connection establishment in the backward direction. I n another embodiment, transmission order is determined by sorting arriving data packets at the time of their corresponding connection identifiers, wherein the forward and backward sorting rules are selected so that a sum of a forward transmission delay limit and a backward transmission delay limit is less than or equal to a round-trip delay bound for each connection.

    A PROVISIONING METHOD AND A DESIGN TOOL FOR A COMMUNICATION NETWORK AND A CORRESPONDING ADMISSION CONTROLLER
    72.
    发明专利
    A PROVISIONING METHOD AND A DESIGN TOOL FOR A COMMUNICATION NETWORK AND A CORRESPONDING ADMISSION CONTROLLER 未知

    公开(公告)号：HK1100810A1

    公开(公告)日：2007-09-28

    申请号：HK07105931

    申请日：2007-06-05

    Applicant: ERICSSON TELEFON AB L M

    Inventor： WESTBERG LARS ,  ANTAL CSABA ,  HARMATOS JANOS ,  JUETTNER ALPAR

    IPC: H04L20060101 ,  H04L12/24

    Abstract: In the area of network provisioning, there is a problem of selecting a suitable traffic-provisioning model for large networks due to the high management complexity of the resource-efficient trunk model and the poor bandwidth efficiency of the easy-to-configure hose model. The invention is based on the idea of partitioning at least part of the network into multi-node clusters, and defining traffic limitations on at least two levels, including the intra-cluster level and the inter-cluster level, where the traffic limitations include one or more node-to-cluster traffic limitations for inter-cluster traffic. Subsequently, cluster-based provisioning of the network is performed based on the traffic limitations. The novel node-to-cluster limitations proposed by the invention are preferably applied in a cluster-based trunk or hose model on the inter-cluster level. In other words, for the description of the inter-cluster traffic (traffic between the clusters) cluster-based trunk or hose models can be used, preferably depending on the available information about the traffic. The cluster-based provisioning makes it possible to find a trade-off between management complexity and overprovisioning.

    73.
    发明专利
    未知

    公开(公告)号：DE69832511T2

    公开(公告)日：2006-06-14

    申请号：DE69832511

    申请日：1998-09-22

    Applicant: ERICSSON TELEFON AB L M

    Inventor： WESTBERG LARS

    IPC: H04Q11/04 ,  H04L12/56

    Abstract: The bandwidth utilization and transmission efficiency associated with the point-to-point transportation of internet protocol (IP) data packets in a network environment is improved by employing asynchronous transfer mode (ATM) adaption layer two (AAL2) minicells as a bearer. Bandwidth utilization and transmission efficiency may be further enhanced by mapping one or more data fields from the header portion of the IP data packets into one or more look-up tables and then transporting the look-up table addresses in the AAL2 minicell headers rather than the data associated with the one or more data fields in the IP data packet headers.

    75.
    发明专利
    未知

    公开(公告)号：SE521700C2

    公开(公告)日：2003-11-25

    申请号：SE9901893

    申请日：1999-05-21

    Applicant: ERICSSON TELEFON AB L M

    Inventor： LINDBERG NICLAS ,  WESTBERG LARS

    IPC: H04L12/56 ,  H04L29/06 ,  H04L12/58

    Abstract: The present invention deals with the problem with packet based services consuming considerable bandwidth over links with shortage of bandwidth. The object of the present invention is to reduce the amount of information when transferring a signalling message and thus save bandwidth.After receiving a signalling message in a first node the signalling message is identified. The signalling message is replaced by an indicator, under usage of information from the identification, which indicator is transferred to a second node. The second node restores the signalling message using the indicator.

    Discarding traffic in ip networks to optimize the quality of speech signals
    78.
    发明专利
    Discarding traffic in ip networks to optimize the quality of speech signals 未知

    公开(公告)号：AU4154600A

    公开(公告)日：2000-10-09

    申请号：AU4154600

    申请日：2000-03-08

    Applicant: ERICSSON TELEFON AB L M

    Inventor： WESTBERG LARS

    IPC: H04L12/64 ,  H04L47/2416 ,  H04L47/32 ,  H04L12/56

    Abstract: A method for discarding data within an IP-network communications link (10) in a manner that optimizes the quality of speech data contained in the IP-network communications link (10). Initially, the IP-network communications link (10) is monitored to determine the occurrence of an overload condition. At least a portion of a plurality of data packets (30) within the IP-network communications link (10) are selected in response to detection of the overload condition. The selected portions are discarded from the IP-network communications link (10), and the remainder of the packets (30) transmitted on the link (10).

    79.
    发明专利
    未知

    公开(公告)号：BR9812533A

    公开(公告)日：2000-07-25

    申请号：BR9812533

    申请日：1998-09-22

    Applicant: ERICSSON TELEFON AB L M

    Inventor： WESTBERG LARS

    IPC: H04L12/56 ,  H04Q11/04

    Abstract: The bandwidth utilization and transmission efficiency associated with the point-to-point transportation of internet protocol (IP) data packets in a network environment is improved by employing asynchronous transfer mode (ATM) adaption layer two (AAL2) minicells as a bearer. Bandwidth utilization and transmission efficiency may be further enhanced by mapping one or more data fields from the header portion of the IP data packets into one or more look-up tables and then transporting the look-up table addresses in the AAL2 minicell headers rather than the data associated with the one or more data fields in the IP data packet headers.

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