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Communication method and device

A communication method and technology of a communication system, applied in the field of communication methods and devices, can solve problems such as hidden dangers of information transmission security

Inactive Publication Date: 2017-05-10
SHENZHEN TINNO WIRELESS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, the existing communication methods still have hidden dangers in the security of information transmission

Method used

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Examples

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Embodiment 1

[0121] An embodiment of the present invention provides a communication method, which is applied to a communication system including K sending ends and receiving ends, where K is an integer greater than 0.

[0122] Specifically, please refer to figure 1 , which is a schematic diagram of a communication system in an embodiment of the present invention. like figure 1 The communication system shown includes K sending ends, 1 receiving end and 1 illegal eavesdropping end.

[0123] Specifically, such as figure 1 As shown, K sending ends establish uplink communication with receiving ends at the same time, and the illegal eavesdropping ends simultaneously eavesdrop on the signals sent by K sending ends. Assume that all transmitters and receivers are equipped with multiple antennas. And, if the number of antennas of the K transmitters is N t1 ,N t2 ,...,N tK , and there is the following relationship: max[N t1 ,N t2 ,...,N tK ]>K, that is, among the K transmitters, there is a ...

Embodiment 2

[0136] Based on the communication method provided in Embodiment 1 above, the embodiment of the present invention implements a method for obtaining channel parameter information between K transmitters and receivers, beamforming vectors of K transmitters, and transmit powers of K transmitters in S201. specific description.

[0137] This step includes three aspects. Below, the implementation manners for the receiving end to obtain these information will be described respectively.

[0138] Specifically, there are many ways for the receiving end to obtain the above three types of information. In order to specifically illustrate this solution, the implementation process of obtaining the three types of information corresponding to a sending end is used as an example to describe in detail below. It can be understood that the implementation process of obtaining the three types of information corresponding to K senders is similar to the implementation process of obtaining the three type...

Embodiment 3

[0157] Based on the communication method provided by the first embodiment above, in the embodiment of the present invention, in S202, "according to the channel parameter information between the K sending ends and the receiving ends, the beamforming vectors of the K sending ends, and the transmitting power of the K sending ends, obtain The method of "target transmission power of K transmitting ends" is described in detail.

[0158] Specifically, please refer to image 3 , which is a schematic flow diagram of obtaining the target transmission power of K transmitting ends in the embodiment of the present invention, as shown in image 3 As shown, the method includes the following steps:

[0159] S301. According to channel parameter information between the K transmitters and receivers, beamforming vectors of the K transmitters, and transmit powers of the K transmitters, receive filters of the K transmitters are obtained.

[0160] S302. According to the channel parameter informati...

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Abstract

The embodiment of the invention provides a communication method and device. The method in the embodiment of the invention comprises the following steps of: obtaining channel parameter information between K sending ends and a receiving end, the beam forming vectors of the K sending ends and the sending power of the K sending ends, then, obtaining the target sending power of the K sending ends according to the channel parameter information between the K sending ends and the receiving end, the beam forming vectors of the K sending ends and the sending power of the K sending ends, and then, controlling the K sending ends to communicate with the receiving end respectively through the respective target sending power. Thereby, by means of the technical scheme provided in the embodiment of the invention, the security of information transmission in a communication process can be improved to a certain degree.

Description

【Technical field】 [0001] The present invention relates to the technical field of communication, in particular to a communication method and device. 【Background technique】 [0002] The increasing popularity of wireless communication equipment has greatly promoted the in-depth development of human society informatization. Compared with traditional wired communication, portability and mobility are the salient features of wireless communication. However, subsequently, due to the broadcast characteristics of the wireless channel, the communication signal between the sending end and the receiving end is extremely vulnerable to eavesdropping by an illegal eavesdropping end. Theoretically, any receiving end can receive the signal sent by the sending end as long as it is within the signal coverage of the sending end, which brings great challenges to the security of information transmission in the communication system. [0003] In the prior art, in order to improve the security of i...

Claims

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Application Information

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IPC IPC(8): H04W52/24
Inventor 李明遆光宇
Owner SHENZHEN TINNO WIRELESS TECH
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