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A communication method and device

A communication method and channel technology, applied in the field of communication, can solve problems such as inability to use channels and waste of resources

Active Publication Date: 2021-12-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above method, since the minimum channel capacity is used for design, all channels with larger channel capacity cannot be used, resulting in a waste of resources

Method used

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  • A communication method and device
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  • A communication method and device

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Embodiment Construction

[0039] The embodiment of the invention discloses a communication method and device for saving resources. Each will be described in detail below.

[0040] In order to better understand the communication method and device disclosed in the embodiments of the present invention, the network architecture used in the embodiments of the present invention will be described below first. see figure 1 , figure 1 It is a schematic diagram of a network architecture disclosed by an embodiment of the present invention. Such as figure 1 As shown, the network architecture may include a network device 101 and a plurality of terminal devices 102 ( figure 1 2 are illustrated in ), the network device 101 and multiple terminal devices 102 constitute a broadcast system. The terminal device 102 is configured to send an information acquisition request to the network device 101 . The network device 101 is configured to receive an information acquisition request from the terminal device 102, encode...

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Abstract

The embodiment of the present invention discloses a communication method and device, including: acquiring the first information to be encoded, the first information includes a first information bit set and a second information bit set, and the bits included in the first information bit set can be encoded by multiple The terminal device decodes correctly, and the bits included in the second information bit set can be correctly decoded by some of the multiple terminal devices; the first Polar encoding is performed on the first information bit set to obtain the first encoded information; according to the first encoded information performing second Polar encoding on the second information bit set to obtain second encoded information; and outputting the second encoded information. Implementing the embodiment of the present invention can save resources.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a communication method and device. Background technique [0002] Polar codes are the first channel codes that can be theoretically proven to have a channel capacity approaching that of Shannon, so they have been widely used in communication technology. In a broadcast system, a network device needs to communicate with multiple terminal devices at the same time. Therefore, in order to ensure simultaneous communication between this network device and multiple terminal devices, the industry adopts the "short board effect" method, that is, the network device only designs Polar codes based on the terminal device with the worst channel conditions (that is, the terminal device with the smallest channel capacity). Program. In the above method, since the minimum channel capacity is adopted for design, all channels with larger channel capacity cannot be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H03M13/13
CPCH04L1/0057H03M13/13H03M13/036H03M13/3707H03M13/2906H03M13/2942H03M13/6312H03M13/6588H04L1/0041H04L1/0045H04L2001/0093
Inventor 刘凌李斌顾佳琦沈晖
Owner HUAWEI TECH CO LTD
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