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Data transmitting method, data receiving method and equipment

A data transmission method and equipment technology, applied in the direction of digital transmission system, using the return channel for error prevention/detection, electrical components, etc., can solve the problems of reducing communication efficiency and making it difficult for the transmitting end to know interference, etc.

Active Publication Date: 2014-08-06
HONOR DEVICE CO LTD
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Problems solved by technology

However, due to the randomness of channel changes in the actual communication process, it is difficult for the transmitter to know which bits in the block of data received by the receiver are strongly interfered, so that it is impossible to know which bits should be repeated more
Therefore, the existing technology adopts limited rate channel coding technology, such as RM (Reed Muller, referred to as RM), convolutional code (Convolutional Coding, referred to as CC), etc., to encode the data, and then repeat the encoded data the same number of times After sending, this reduces the efficiency of communication

Method used

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  • Data transmitting method, data receiving method and equipment
  • Data transmitting method, data receiving method and equipment

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Embodiment Construction

[0046] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0047] figure 1 This is a flowchart of a data sending method provided by an embodiment of the present invention. like figure 1 As shown, the method of this embodiment includes:

[0048] Step 101: Divide the data block to be sent to obtain multiple source symbols.

[0049] Step 102 , perform fountain code (Fountain) encoding on m...

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Abstract

An embodiment of the invention provides a data transmitting method, a data receiving method and equipment. The transmitting method includes: dividing to-be-transmitted data blocks to obtain multiple source symbols; performing Fountain encoding on the source symbols, outputting multiple encoded symbols and transmitting the same to a receiving end, stopping Fountain encoding of the source symbols after a confirmation message returned by the receiving end is received, wherein the confirmation message is used for indicating that the receiving end successively receives the to-be-transmitted data block. By using the Fountain encoding, communication efficiency can be increased.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular, to a data sending method, a receiving method, and a device. Background technique [0002] In the Machine Type Communication (MTC) service in the Long Term Evolution (LTE for short) system, some MTC terminals are installed in corners of buildings or surrounded by metal casings, so , the loss of the communication path between the MTC terminal and its peer device is relatively large. In order to improve the communication quality between the MTC terminal and its peer device, in the research on MTC in LTE, the coverage of the MTC terminal is required to be 20dB stronger than that of the ordinary terminal. The coverage enhancement of 20dB means that a piece of data needs to be repeated about 100 times. [0003] In the communication process where a block of data needs to be repeated about 100 times, if the transmitter can repeat the bits (bits) that are strongly int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L1/16
Inventor 武雨春马莎
Owner HONOR DEVICE CO LTD
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