5G private network and public network uplink and downlink communication method and device
A communication method and 5G technology, applied in the field of communication, can solve problems such as co-channel interference, inability to perceive and detect cognitive systems, and limit system communication performance, and achieve the effect of improving utilization efficiency and increasing uplink communication rate.
Active Publication Date: 2022-05-20
THE CHINESE UNIV OF HONG KONG SHENZHEN
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Problems solved by technology
[0003] However, the main system and the cognitive system usually belong to different subjects and are relatively independent, and the main system cannot perceive and detect the existence of the cognitive system, so there is no mutual cooperation between the main system and the cognitive system to help the communication performance of the cognitive system. and face other issues such as user data security and privacy
In addition, although spectrum sharing improves the efficiency of spectrum utilization, it will cause serious co-channel interference. The existing technology proposes an interference level control technology based on transmission power control, but this technology will limit the communication performance of the system
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[0095] Such as figure 1 as shown, figure 1 A schematic flowchart of a method for uplink and downlink communication between a 5G private network and a public network provided in an embodiment of the present invention, which is characterized in that it includes the following steps:
[0096] S101. The private network base station receives the subcarrier 5G signal of the same uplink communication subcarrier sent by the public network base station;
[0097] The downlink communication method between the 5G private network and the public network in the embodiment of the present invention is applied to a network including a private network and a public network system, wherein the traffic of the public network system is mainly dominated by downlink communication, considering that the public network base station is a public network user To provide downlink communication services, the private network system has a great demand for uplink communication, consider private network base stati...
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The embodiment of the present invention discloses a method for downlink communication between a 5G private network and a public network, which is characterized in that it includes the following steps: the private network base station receives the subcarrier 5G signal of the same downlink communication as the subcarrier sent by the public network base station; The channel quality of the sub-carrier 5G signal and the preset resource configuration determine the decoding mode of signal interference cancellation; the interference superimposed signal in the sub-carrier 5G signal is decoded according to the signal interference cancellation mode. While ensuring the downlink communication rate of public network users, it also increases the uplink communication rate of private network users and improves the efficiency of wireless spectrum utilization.
Description
technical field [0001] Embodiments of the present invention relate to the field of communication technology, in particular, a method and device for uplink and downlink communication between a 5G private network and a public network. Background technique [0002] At present, the spectrum sharing technology applied in the cognitive radio network consists of four parts: the main system base station, the main system user, the cognitive system base station, and the cognitive system user. The frequency bands share the frequency spectrum of the primary system to enable communication. This technology can perform interference control by controlling the interference power level caused by cognitive users to the main system, thereby improving spectrum utilization efficiency and communication performance. [0003] However, the main system and the cognitive system usually belong to different subjects and are relatively independent, and the main system cannot perceive and detect the exist...
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IPC IPC(8): H04L25/03H04W16/14H04W16/16
CPCH04L25/03006H04W16/14H04W16/16H04L2025/03611Y02D30/70
Inventor 许杰李培铭谢礼峰姚剑萍崔曙光张平
Owner THE CHINESE UNIV OF HONG KONG SHENZHEN