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Method, device, storage medium and electronic equipment for multipath combining

A path and location information technology, applied in the field of communication, can solve the problems of different interference levels, reduce the accuracy of multipath combination, and not consider the interaction of multipath, so as to achieve the effect of improving accuracy

Active Publication Date: 2021-05-04
BEIJING XIAOMI PINECONE ELECTRONICS CO LTD
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Problems solved by technology

[0003] In the above process of multipath combination, it is generally considered that the interference levels between the multipaths are the same, but in fact the interference levels between the multipaths are not the same, so that when the received signals are combined, no consideration is given to the multipath Interaction between paths reduces the accuracy of multipath merging

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  • Method, device, storage medium and electronic equipment for multipath combining
  • Method, device, storage medium and electronic equipment for multipath combining
  • Method, device, storage medium and electronic equipment for multipath combining

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Embodiment Construction

[0050] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0051] First, the application scenario of the present disclosure is described. The present disclosure can be applied to the scenario of diversity reception through the Rake receiver. In this scenario, due to the presence of obstacles (such as buildings, hills, etc.) in the space in the land mobile channel , resulting in the phenomenon of multipath propagation. In a WCDMA system, if the time delay between received signals is greater than or equal to the preset threshold, the Rake receiver can separate the received signals of each path in the channel and obtain the corresponding The position information of the multipath, so that the channel estimation can be pe...

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Abstract

The present disclosure relates to a multipath combining method, device, storage medium, and electronic equipment, including: obtaining multipath location information and channel estimation values ​​corresponding to received signals; obtaining initial estimation components of the multipath according to the location information Obtain the inter-path interference amount of the multipath according to the channel estimation value; obtain the noise power estimation value of the received signal, and determine the The multipath combination weight of each path in the multipath, and perform multipath combination on the initial estimate component according to the multipath combination weight, so that after obtaining the initial estimate component of the multipath, you can consider the difference between the multipath The inter-path interference amount of the initial estimation component is combined, thereby improving the accuracy of multi-path combination.

Description

technical field [0001] The present disclosure relates to the technical field of communications, and in particular, to a multipath combining method, device, storage medium, and electronic equipment. Background technique [0002] Rake reception technology is a diversity reception technology commonly used in WCDMA (Wideband Code Division Multiple Access) mobile communication systems, and its algorithm plays a key role in the performance of the entire system. Diffraction and diffraction will occur during the propagation of the transmitted signal in space, which will cause multipath effects in the transmission process. Based on the multipath effect, the Rake receiver obtains the initial estimated component by setting multiple correlation receivers to descramble and despread the received signal, and obtains the multipath channel estimation value (ie, amplitude and phase information, etc.) through the channel estimation module, so that it can Multi-path combining is performed on t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/10H04L25/02
CPCH04B1/1027H04B1/1081H04L25/0204
Inventor 许百成晏立佳
Owner BEIJING XIAOMI PINECONE ELECTRONICS CO LTD
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