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Resource allocation method, system and storage medium based on cooperative interference

A technology of resource allocation and cooperative interference, applied in the field of communication, can solve problems such as the inability of a single antenna to meet, and achieve the effects of improving total communication capacity, improving security reliability, communication efficiency, and improving spectral efficiency and energy efficiency.

Active Publication Date: 2021-08-17
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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Problems solved by technology

Under the current development situation of 4G and 5G technology, MIMO has become the mainstream of communication technology, and a single antenna can no longer meet the current needs

Method used

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  • Resource allocation method, system and storage medium based on cooperative interference
  • Resource allocation method, system and storage medium based on cooperative interference
  • Resource allocation method, system and storage medium based on cooperative interference

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Embodiment Construction

[0031] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] In the prior art, the method of transmitting noise to eavesdroppers through cooperative interference nodes requires additional energy generation and emission noise, which not only consumes a lot of energy, but also has low spectrum utilization efficiency, and the introduction of secondary users in the case of a single antenna However, due to the limitations of the single antenna, the security of the primary user communication cannot be guaranteed when the eavesdropper is equipped with multiple antennas. At the same time, since a single antenna can only transmit one data stream at the same time, the communication capacity and efficiency are relatively low, which cannot meet the communication requirements under the current situation where MIMO is widely popularized.

[0033] The present invention provides a kind ...

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Abstract

The present invention discloses a resource allocation method, system and storage medium based on cooperative interference. The system includes: a base station, a primary user terminal, an eavesdropping user terminal, and at least two secondary user terminals. The two secondary user terminals include the first A primary user terminal and a second secondary user terminal, the method comprising: the base station sends information to the primary user terminal and the first secondary user terminal, and at the same time, the first secondary user terminal receives information sent by the second secondary user terminal; The first secondary user terminal forwards the received information sent by the base station to the primary user terminal in DF mode, and at the same time communicates with the second secondary user to use the communication signal between the secondary users as interference to the eavesdropping user terminal. The present invention effectively improves spectrum efficiency and energy efficiency by introducing secondary users to replace noise interference nodes, and at the same time expands the problem from a single antenna to MIMO systems, greatly improving system safety reliability and communication efficiency.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a resource allocation method, system and storage medium based on cooperative interference. Background technique [0002] At present, the physical layer security technology based on cooperative jamming is widely used, and most of them use fixed cooperative jamming nodes to interfere with eavesdroppers by sending noise. This method requires the interference node to consume a large amount of energy to create and transmit noise, which is not environmentally friendly, and the spectrum utilization rate is not high, and may even have an adverse effect on user reception. In the prior art, there is also a way to improve energy and spectrum efficiency by accessing secondary users and using communication between secondary users as an interference signal, but this is only limited to the case of a single antenna. Under the current development situation of 4G and 5G technolo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/12H04B7/0452
CPCH04B7/0452H04W72/0453H04W72/121H04W72/51Y02D30/70
Inventor 曹斌张宇航吴绍华张钦宇
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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