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Intelligent surface synchronizing signal enhancement and interference suppression method based on synchronous transmission and reflection

A transmission-reflection, intelligent technology, applied in the baseband system, baseband system components, shaping network in the transmitter/receiver, etc., can solve the problem of reducing the user's effective signal, unable to synchronize signal enhancement and interference suppression, and reducing the wireless communication system Performance and other issues, to achieve the effect of low interruption probability

Active Publication Date: 2021-12-10
BEIJING JIAOTONG UNIV
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Problems solved by technology

However, RIS-based communication methods are a key challenging problem, generally only focus on signal enhancement or interference suppression issues, and cannot synchronize signal enhancement and interference suppression
[0003]In the existing solutions, the signal enhancement method will increase the interference signal received by the user at the same time, and the interference suppression method will reduce the effective signal received by the user. will degrade the performance of the wireless communication system

Method used

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  • Intelligent surface synchronizing signal enhancement and interference suppression method based on synchronous transmission and reflection
  • Intelligent surface synchronizing signal enhancement and interference suppression method based on synchronous transmission and reflection
  • Intelligent surface synchronizing signal enhancement and interference suppression method based on synchronous transmission and reflection

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Embodiment Construction

[0077] Contraction below Figure 1-3 The present invention will be described in further detail.

[0078] In the embodiment of the present invention, the synchronous signal enhancement and interference suppression of the honeycomb network through STAR-RIS will be significantly improved in terms of interruption probability and traversal rate.

[0079] The present invention proposes a wireless communication system based on synchronous transmissive reflection reconstructing intelligent surface (STAR-RIS), such as figure 2 As shown, including: base station 1 , Community 1, User 1，c ,user 1，e STAR-RIS 1 STAR-RIS 2 , Community 2, User 2，c ,user 2，e Base station 2 ;

[0080] STAR-RIS 1 Including: RIS 1 Controller and RIS 1 Panel, RIS 1 Controller Control RIS 1 Panel, RIS 1 Number of RIS elements on the panel 1 Express;

[0081] STAR-RIS 2 Including: RIS 2 Controller and RIS 2 Panel, RIS 2 Controller Control RIS 2 Panel, RIS 2 Number of RIS elements on the panel 2 Express;

[0082] user 1，c...

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Abstract

The invention relates to an intelligent surface synchronizing signal enhancement and interference suppression method based on synchronous transmission and reflection, which comprises the following steps: in a cellular network, according to channel information from a base station 2 to a user 1,c, STAR-RIS2 estimates the intensity of interference received by the user 1,c; and according to the channels of the base station 2 and the STAR-RIS2 and the channels of the STAR-RIS2 and the user 1,c, the interference suppression method of the STAR-RIS2 is determined by taking minimization of interference received by the users as a target and taking a transmission amplitude coefficient and a transmission phase coefficient of the STAR-RIS2 as constraint conditions. And after the transmission amplitude coefficient and the transmission phase coefficient of the STAR-RIS2 are determined, the signal enhancement method of the STAR-RIS1 is determined by using the residual energy, taking maximization of an effective signal received by a user as a target, and taking the reflection amplitude coefficient, the reflection phase coefficient and the total energy of the STAR-RIS1 as constraint conditions.

Description

Technical field [0001] The present invention relates to the field of wireless communication, and more particularly to a method based on synchronous transmission reflection intelligent surface synchronous signal enhancement and interference suppression. Background technique [0002] Synchronous Transmission Reflective Intelligence Surface (SIMULTANEOUS TRANSMITIGENTSURFICONFIGURABLEINTELLIGENTSURFACE, STAR-RIS) is one of the solutions to increasing spectral efficiency and energy efficiency in the sixth generation (6G) wireless communication system. By properly controlling the interaction of RIS (ReconfigurableintelliGentSurface, the reconstructed intelligent surface) element and the incident electromagnetic wave, the phase coefficient and amplitude coefficient of the reflected wave can be effectively enhanced or attenuated, and the received signal strength can be effectively enhanced, and the wireless communication system can be improved. performance. However, RIS-based communicat...

Claims

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Application Information

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IPC IPC(8): H04L25/03
CPCH04L25/03006Y02D30/70
Inventor 侯天为孙昕王俊
Owner BEIJING JIAOTONG UNIV
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