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Network coding-based millimeter wave and microwave hybrid relay transmission assistance system

A network coding and millimeter-wave technology, applied in the field of millimeter-wave and microwave hybrid relay transmission assistance systems, can solve the problems of being easily blocked, large millimeter-wave signal attenuation, and short coverage distance, so as to improve stability and transmission. The effect of stability and efficient privacy protection

Active Publication Date: 2021-05-07
XIAMEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] (4) Decline in interference
[0026] However, millimeter waves have disadvantages such as large signal attenuation, short coverage distance, and easy to be blocked.

Method used

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  • Network coding-based millimeter wave and microwave hybrid relay transmission assistance system
  • Network coding-based millimeter wave and microwave hybrid relay transmission assistance system
  • Network coding-based millimeter wave and microwave hybrid relay transmission assistance system

Examples

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Embodiment Construction

[0061] The present invention will be further described below through specific embodiments.

[0062] see Figure 5 As shown, this embodiment takes three downloaded files as an example for description. File A / B / C is the file that the user of the terminal device is communicating and downloading at this time, and at most (the number of antennas of the terminal device - 1) files can be downloaded and transmitted at the same time;

[0063] The encrypted file X is set as millimeter wave beam information or urgent but less important privacy files according to the needs of the scene, and is encrypted with the PDCP layer key for network encoding, and then uses microwave communication for long-distance transmission, which can enhance the important The privacy of the file can also be used to encode and encrypt files transmitted by other millimeter waves, thereby improving the security privacy and transmission stability of the overall scene. Of course, the encrypted file X can also be se...

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Abstract

A millimeter wave and microwave hybrid relay transmission assistance system based on network coding, including: a macro base station, a relay base station, and terminal equipment; both the macro base station and the relay base station include massive MIMO millimeter waves; the communication mode of the macro base station includes Millimeter wave communication and microwave communication; the relay base station works in full-duplex mode; while the terminal device downloads multiple files from the core network at the same time, an encrypted file is directly transmitted from the macro base station to the terminal device through microwave communication, and from the macro base station Both the data packets transmitted to the relay base station and the data packets transmitted from the relay base station to the terminal equipment are transmitted by millimeter waves, and the data packets are network coded. The present invention can not only improve the security and privacy of data transmission, but also increase the amount of transmitted data when necessary, thereby improving the work efficiency, stability and safety of the terminal device download file transmission process.

Description

technical field [0001] It involves the field of wireless communication technology, and it involves relay base stations, chain communication networks and network coding technologies that are quite commonly used in mobile cellular networks, and also involves MEC (Mobile Edge Caching, hereinafter referred to as MEC or Edge Caching), especially a A millimeter wave and microwave hybrid relay transmission assistance system based on network coding. Background technique [0002] "Relay" refers to a functional mode that carries communication between two points, which can receive and amplify the signal from the previous communication point and forward it to the next communication point. It has its own applications in many different industries. In the cellular network, "relay" specifically refers to a wireless relay station (Relay Station), also known as a repeater, which is a two-way radio frequency, same frequency, broadband linear amplification relay device. It receives and forward...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/0413H04B7/155H04L29/06H04L29/08
CPCH04B7/0413H04B7/15592H04L63/0428H04L67/06
Inventor 黄联芬何维晟王健铮苏毓涵赵毅峰高志斌陈宁
Owner XIAMEN UNIV
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