Embedded friendly coexistence method and system for heterogeneous networks in unlicensed frequency bands based on spatial multiplexing

An unlicensed frequency band, heterogeneous network technology, applied in the field of embedded friendly coexistence of heterogeneous networks in unlicensed frequency bands, can solve the problem of lack of a unified and fair coexistence solution for WiFi and Bluetooth heterogeneous networks

Active Publication Date: 2021-04-02
中山德著智能科技有限公司
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Problems solved by technology

Although there are some fair coexistence mechanisms for LTE-U and WiFi, such as listen-before-talk (LBT) and duty-cycle muting (DCM), etc., there is still a lack of WiFi and Bluetooth A unified and fair coexistence solution for heterogeneous networks such as , 5G NR technology, and satellite networks

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  • Embedded friendly coexistence method and system for heterogeneous networks in unlicensed frequency bands based on spatial multiplexing
  • Embedded friendly coexistence method and system for heterogeneous networks in unlicensed frequency bands based on spatial multiplexing
  • Embedded friendly coexistence method and system for heterogeneous networks in unlicensed frequency bands based on spatial multiplexing

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[0079] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention. please see figure 1 The present invention provides an embedded friendly coexistence method for unlicensed band heterogeneous networks based on spatial multiplexing, which embeds LAA and other heterogeneous network technologies into the WiFi protocol, so that heterogeneous network devices can occupy the antennas of the WiFi system to send data. The method that embodiment provides comprises the following steps:

[0080] Step 1: Connect a multi-antenna WiFi access point (access point, AP) to multiple WiFi loads;

[0081] During specific implementation, any of th...

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Abstract

The present invention provides an embedded friendly coexistence method and system for unlicensed frequency band heterogeneous networks based on spatial multiplexing, including connecting a multi-antenna WiFi access point with multiple WiFi loads; detecting the channel status of the WiFi load; forcibly disconnecting the channel quality Poor WiFi load occupies the space flow; find the best heterogeneous network load to access, occupy free space resources, including the search process of the best heterogeneous network load set. Based on the space multiplexing technology, the present invention ensures that the performance of WiFi equipment / users in the unlicensed frequency band is not significantly lost or even effectively improved, and realizes friendly coexistence and win-win of heterogeneous networks. Compared with the existing coexistence method, the heterogeneous network coexistence method proposed by the present invention can effectively improve the performance of the heterogeneous network and realize fair distribution of MIMO spatial streams.

Description

technical field [0001] The invention belongs to the technical field of mobile Internet, and in particular relates to an embedded friendly coexistence method and system for unlicensed frequency band heterogeneous networks based on spatial multiplexing technology. Background technique [0002] With the explosive growth of mobile data traffic, spectrum shortage has become a major bottleneck for next-generation wireless communications. As a frequency band that has no exclusive access rights and can be used by almost anyone and any organization, the unlicensed frequency band is widely used in WiFi, Bluetooth, Zigbee, 5GNR (new radio) and satellite due to its openness and easy access. communications and other applications. In order to improve system capacity and spectrum efficiency, the deployment of heterogeneous networks in unlicensed frequency bands based on spatial multiplexing technology has become an inevitable trend, and the resulting friendly coexistence of heterogeneous ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/0413H04B7/0417H04B17/309H04B17/382H04W28/08
CPCH04B7/0413H04B7/0417H04B17/309H04B17/382H04W28/082
Inventor 陈琪美徐小夏江昊
Owner 中山德著智能科技有限公司
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