Wireless energy-carrying communication method based on multi-antenna relay system
A technology of wireless energy-carrying communication and relay system, applied in the field of wireless energy-carrying communication, can solve the problems of information leakage, lack of multiple eavesdropping nodes, etc., and achieve the effect of enhancing confidentiality performance
Pending Publication Date: 2022-05-31
AIR FORCE UNIV PLA
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Problems solved by technology
[0004] However, SWIPT still has many problems in the face of security threats in different scenarios: first, when targeting untrusted relay networks, it often uses a single fixed eavesdropping node, and lacks the application of scenarios with multiple eavesdropping nodes; Secondly, when using friendly jammers for signal-assisted transmission, it mainly revolves around a certain stage in the transmission process of the relay system, or only considers part of the process of eavesdropping on the transmission of secret signals by eavesdroppers, while for the transmission of secret signals at all nodes For the whole process, the risk of information being leaked is still very high
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[0085] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
[0086] Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted. Some of the block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities ...
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The invention relates to a wireless energy-carrying communication method based on a multi-antenna relay system. The method comprises the following steps: establishing a multi-antenna relay system model; the multi-antenna relay system comprises a source node, a destination node, a relay node and a plurality of eavesdropping nodes Ei, the relay node is provided with K antennas, and other nodes are only provided with single antennas; the multi-antenna relay system carries out wireless energy-carrying communication based on a PS protocol; and deducing a traversal reachable secrecy rate according to a wireless energy-carrying communication result, thereby measuring the secrecy transmission performance gain of the multi-antenna relay system. According to the information and power transfer wireless communication method based on the multi-antenna relay system, the problem that signal processing energy in the multi-antenna relay system is limited can be solved, and meanwhile the confidential transmission performance of the multi-antenna relay system is effectively improved.
Description
technical field [0001] The present disclosure relates to the technical field of communication security, and in particular to a wireless energy-carrying communication method based on a multi-antenna relay system. Background technique [0002] With the gradual popularization of the fifth-generation mobile communication and the rapid development of the Internet of Things technology, the application fields of wireless communication are becoming wider and wider. However, due to the openness and complexity of wireless channels, the problem of information leakage has become increasingly prominent, which has brought great challenges to the secure transmission of information. [0003] Wireless energy carrying communication (simultaneous wireless information and power transfer, SWIPT) technology can use the characteristics of radio frequency signal to carry energy, so that network nodes can collect energy while receiving information. This technology provides an effective solution to ...
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Patent Timeline
Login to View More IPC IPC(8): H04B7/026H04W40/22H04W40/12H04W52/24H04L9/40
CPCH04B7/026H04W40/22H04W40/12H04W52/241H04L63/16Y02D30/70
Inventor 任清华张广大樊志凯李蒙崔祥巍
Owner AIR FORCE UNIV PLA