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A communication method based on signal space alignment

A communication method and signal space technology, applied in baseband system components, shaping networks in transmitters/receivers, radio transmission systems, etc., can solve the problem of wasting antenna resources, spectrum resource utilization, etc. gain, the effect of improving system performance

Inactive Publication Date: 2019-05-28
SHANGHAI MARITIME UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The physical layer network coding technology requires strict time synchronization, allowing two nodes to send data packets at the same time, thereby saving time slots, which will lead to insufficient waste of antenna resources and low utilization of spectrum resources

Method used

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  • A communication method based on signal space alignment
  • A communication method based on signal space alignment
  • A communication method based on signal space alignment

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Embodiment Construction

[0030] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0031] see Figure 1-2 . It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily d...

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Abstract

The invention provides a communication method based on signal space alignment, which comprises the following steps that: each user encodes to-be-sent information to generate a sending signal, and sends the sending signal to a relay node; the following steps are executed in the relay node: receiving the sending signal, generating a receiving signal, and encoding the receiving signal to obtain a sumsignal; And the signal receiving end eliminates the received interference message to obtain an effective signal. By applying the embodiment of the invention, the bidirectional single relay node taking the main network as a Y channel and the secondary network as an X channel coexisting network as a system model graph can obtain a scheme for improving the network multiplexing gain and improving thesystem performance for the model graph taking the main network and the secondary network as any number of users according to a physical layer network coding technology under generalized signal alignment.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a communication method based on signal space alignment. Background technique [0002] The purpose of image defogging is to reduce the interference of fog as much as possible from the image blurred by fog, restore the scene object, enhance the contrast and clarity of the image, restore the details of the image, improve the visibility of the image, and so on. Most of the current defogging algorithms are used in land scenes, especially in traffic monitoring and other occasions, and there are not many defogging algorithms that specialize in special occasions such as sea fog. [0003] Since the development of communication, it has gradually transitioned from wired communication to wireless communication. From Marconi's successful demonstration of wireless telegraphy in 1897 to the present, wireless communication technology has been extensively studied. Wireles...

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Application Information

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IPC IPC(8): H04B7/0413H04B7/0456H04L25/03
Inventor 姜晓晴刘锋葛培新
Owner SHANGHAI MARITIME UNIVERSITY
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