High throughput network coding method in wireless network

A network coding, high-throughput technology, applied in digital transmission systems, electrical components, error prevention, etc., can solve problems such as encoding packet decoding, and achieve the effect of increasing the number of data packets, increasing the number of data packets, and improving throughput

Inactive Publication Date: 2013-07-24
平湖市声佳电子有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If several data packets in a data stream are network-encoded with packets of other data streams, the receiving node of the data stream cannot decode the encoded packets to obtain these several data packets, only these few data packets can be encoded Coding package together

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  • High throughput network coding method in wireless network
  • High throughput network coding method in wireless network
  • High throughput network coding method in wireless network

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] figure 1 The middle one is the traditional network coding method. Each data stream can encode at most one data packet, and the tail of the small data packet participating in the coding is filled with zeros until the length is equal to the large data packet.

[0030] we take figure 2 The shown network coding based on the packet assembly strategy illustrates a specific embodiment of the present invention. For a wireless network where network nodes have network coding functions, when a network node has a sending opportunity, based on the information of the data stream flowing through the node, such as the packet size L i , link reachable transmission rate R i , the number of cached data packets N i etc., the node runs the encoding method of the present invention to select the data streams involved in encoding, calculates the number of data packets for combinat...

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Abstract

The invention discloses a high throughput network coding method in a wireless network. The high throughput network coding method in the wireless network comprises the steps of a selecting step, a combining step and a coding step, wherein in the selecting step, data streams which are involved in coding are selected according to the sizes of packages, reachable transmission speed and the number of catch packages; in the combining step, for each data stream which is selected to be involved in the coding, the number of data packages which are combined in each data stream is determined, and combination is conducted on the date packages; and in the coding step, the operation of network coding is conducted on a combined package of the selected data streams or a plain text package, and a coding package of the sending is obtained. The high throughput network coding method in the wireless network can reduce the frequency of transmission of original data packages on network nodes in the wireless network, largely improves the network throughput and has good practical value.

Description

technical field [0001] The invention relates to the technical field of wireless networks, in particular to a data packet network coding method on a network node in a wireless network. technical background [0002] At present, wireless communication technology has been widely used in all aspects of society, bringing great convenience to people's life. However, a significant disadvantage of wireless communication compared to wired communication is that the bandwidth is very limited. Due to this deficiency, the throughput supported by the current wireless communication technology is far lower than that of wired communication, so that the quality of service is far from meeting people's needs. There is a big gap between sex and people's requirements. [0003] Network coding technology is a very suitable technology for improving the throughput of wireless communication. Its main idea is that the network relay node encodes multiple plaintext data packets that need to be transmitt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
Inventor 池凯凯朱艺华李燕君伍永超程珍
Owner 平湖市声佳电子有限公司
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