Techniques for Efficient Reordering of Data Packets in Multipath Scenarios

A technology of reordering and data grouping, applied in the direction of data exchange network, digital transmission system, electrical components, etc.

A technology of reordering and data grouping, applied in the direction of data exchange network, digital transmission system, electrical components, etc.

CN111801915BActive Publication Date: 2021-07-27DEUTSCHE TELEKOM AG
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  • Techniques for Efficient Reordering of Data Packets in Multipath Scenarios
  • Techniques for Efficient Reordering of Data Packets in Multipath Scenarios
  • Techniques for Efficient Reordering of Data Packets in Multipath Scenarios

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Embodiment Construction

[0061] In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustration specific aspects in which the invention may be situated. It is to be understood that other aspects may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Therefore, the following detailed description should not be read in a limiting sense, since the scope of the invention is defined by the appended claims.

[0062] For example, it should be understood that a disclosure related to a described method may also be true for a corresponding device or system configured to perform the method, and vice versa. For example, if specific method steps are described, a corresponding apparatus may include means for performing the described method steps, even if such means are not explicitly described or illustrated in the figures. Furthermore, it should be understo...

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Abstract

This disclosure relates to techniques for efficient reordering of data packets in multipath scenarios. In particular, the present disclosure relates to a reordering queue device (701) for a multipath receiver (700), the reordering queue device (701) comprising: a reordering queue (230), the reordering queue (230) configured to queue sequentially numbered data packets (208, 209, 210) received on a plurality of paths (223) of a multipath channel; and reordering the queue a controller (702), the reordering queue controller (702) configured to reorder the data packets (208, 209, 210) in the reordering queue (230) according to a reordering criterion (703), wherein the The reordering criterion (703) is based on at least one of: a path-specific sequence number (400) of the data packet (208, 209, 210), an overall sequence number comparison (500) across the plurality of paths (223) . Path-specific characteristics (600) of the plurality of paths (223), in particular latency.

Description

technical field [0001] The present invention relates to techniques for efficient reordering of data packets in multipath scenarios such as hybrid access. The invention further relates to a reordering queue device for a multipath receiver, a multipath receiver and a method for reordering data packets. In particular, the present invention relates to an efficient reordering mechanism for unreliable packet transmission in multipath scenarios. [0002] technical background [0003] Hybrid Access (HA) combines at least two different network links with the same or different network technologies; for example, it combines access on a fixed network with access on a cellular network, e.g. as figure 1 shown. A possible solution for HA is according to "Huawei's GRE Tunnel Trunking Protocol by N. Leymann and C. Heidemann and M. Zhang and B. Sarikaya and M. Cullen, Reference No. 8157, May 2017" The GRE Tunnel Trunking Protocol, which is scheduled on OSI layer 3 (IP), i.e. it handles stat...

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Application Information

Patent Timeline
27 Jul 2021
Publication
CN111801915B
IPC
H04L12/801; H04L12/861; H04L12/913; H04L47/724; H04L45/24
CPC
H04L47/34; H04L47/724; H04L49/90; H04L45/24; H04L47/624
Inventors
MĀ·é˜æé—Øå¾·; EĀ·ę³¢ę ¹č²å°”å¾·