Disorder analyzing method for multipath parallel transmission system

A technology of transmission system and analysis method, which is applied in the field of out-of-order analysis of multi-path parallel transmission system, and can solve problems such as errors, only considering or ignoring data packet transmission delay, queue delay and processing delay, etc.

Active Publication Date: 2015-09-30
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, this analysis model assumes that data packets are sent out immediately after they arrive at the sender from the application layer, and only considers the impact of path propagation delay on data out-of-order pheno

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  • Disorder analyzing method for multipath parallel transmission system
  • Disorder analyzing method for multipath parallel transmission system
  • Disorder analyzing method for multipath parallel transmission system

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Embodiment Construction

[0038] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0039] The invention provides an out-of-sequence analysis method of a multi-path parallel transmission system, which can calculate the probability of out-of-order in the process of data packet transmission, and reduce the phenomenon of data out-of-order through reasonable control, and improve multi-path parallelism in heterogeneous networks transmission performance.

[0040] An effective multi-path parallel transmission scheme in a heterogeneous network environment must include relevant mechanisms that can minimize the adverse effects of data out-of-order phenomena, and comprehensive and accurate calculation of out-of-order conditions in multi-path transmission systems is a design Premises of relevant mechanisms.

[0041] figure 1 It is a schematic diagram of the causes of out-of-sequence data in multipath parallel transmission.

[0042]...

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Abstract

The invention relates to a disorder analyzing method for a multipath parallel transmission system and belongs to the technical filed of communication. The method comprises the following steps: step 1), in the multipath parallel transmission system, after a data packet is transmitted to a sending end by an application layer, the sending end is used for sending out the data packet immediately, and the data packet reaches a receiving end after path propagation time delay d; step 2), analyzing is performed on the disorder of the multipath parallel transmission system, and the probability of the disorder caused during a package transmission procedure is calculated. Further, impacts caused by transmission time delay of the sending end and the queue time delay on the phenomenon of disorder of the data packet can be further considered, and the probability of disorder caused during the data packet transmission procedure is calculated. The disorder analyzing method for the multipath parallel transmission system, provided by the invention, can be used for estimating the probability of the disorder of the data packet during a multipath parallel transmission process under the current network environment, and by reasonably controlling and reducing the phenomenon of data disorder, the performance of multipath parallel transmission in a heterogeneous network can be improved.

Description

technical field [0001] The invention belongs to the technical field of communication, and relates to an out-of-sequence analysis method of a multi-path parallel transmission system. Background technique [0002] With the development of mobile communication technology, wireless access networks are increasingly diversified, and more and more terminal devices are equipped with multiple network interfaces, which provides a basis for the research and application of multi-path parallel transmission technology. Multi-path parallel transmission technology allocates data packets to multiple links for parallel transmission, and increases throughput through bandwidth accumulation under parallel transmission. However, the asymmetry in bandwidth and delay between different links in a heterogeneous network will cause data packets transmitted through different links to fail to reach the receiving end in the order they were sent, resulting in out-of-order data packets. [0003] The problem...

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Application Information

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IPC IPC(8): H04L12/26H04L12/24H04L12/801
Inventor 陶洋赫前进邓行
Owner CHONGQING UNIV OF POSTS & TELECOMM
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