CN112291527B

CN112291527B - Method and system for providing intelligent security information based on blockchain system

Info

Publication number: CN112291527B
Application number: CN202011194191.1A
Authority: CN
Inventors: 郭雨清
Original assignee: Guangdong Minji Digital Technology Co ltd
Current assignee: Guangdong Minji Digital Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2023-12-01
Anticipated expiration: 2040-10-30
Also published as: CN112291527A

Abstract

A method for providing intelligent security information based on a blockchain system comprises the following steps: establishing a communication connection with a base station by a wireless terminal; receiving, by the base station, security control information from the blockchain system in response to establishing the communication connection with the base station; performing, by the base station, an LBT procedure at a first symbol position of a first downlink subframe in response to receiving security control information from the blockchain system; if the LBT procedure is successful, determining, by the base station, whether the position at which the transmission of the downlink message starts is at the second symbol position of the first downlink subframe or at the beginning of the second downlink subframe; if it is determined that the position at which the transmission of the downlink message is started is the second symbol position of the first downlink subframe, transmitting, by the base station, the first PDSCH message to the mobile terminal in the shared spectrum; if it is determined that the position at which the transmission of the downlink message is started is the second symbol position of the first downlink subframe, the first PDCCH message is transmitted to the mobile terminal in the shared spectrum by the base station.

Description

Method and system for providing intelligent security information based on blockchain system

Technical Field

The invention relates to the technical field of intelligent security, in particular to a method and a system for providing intelligent security information based on a blockchain system.

Background

The traditional security monitoring system transmits video signals in a closed loop by using optical fibers, coaxial cables or microwaves, and forms an independent and complete system from shooting to image display and recording, can reflect monitored objects in real time, image and reality, can replace manpower to monitor for a long time in a severe environment, and is recorded by a video recorder.

The prior art CN110276923A discloses a control method of a security system and the security system. The security system is applied to a preset security area, wherein the preset security area comprises at least three local area network devices, and a secret-free network is opened in the local area network devices; the method comprises the following steps: detecting a connection signal when a first terminal is connected to the secret-free network, and determining the signal strength of the connection signal; positioning the first terminal according to the signal intensity, and determining a target area where the first terminal is located; and controlling the image pickup equipment of the security system to pick up the image of the target area.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The invention aims to provide a method for providing intelligent security information based on a blockchain system, which can overcome the defects of the prior art.

In order to achieve the above object, the present invention provides a method for providing intelligent security information based on a blockchain system, which is characterized in that the method for providing intelligent security information based on a blockchain system comprises the following steps:

establishing a communication connection by a wireless terminal with a base station, wherein the wireless terminal and the base station communicate via a shared spectrum;

receiving, by the base station, security control information from the blockchain system in response to establishing the communication connection with the base station;

performing, by the base station, an LBT procedure at a first symbol position of a first downlink subframe in response to receiving security control information from the blockchain system;

if the LBT procedure is successful, determining, by the base station, whether the position at which the transmission of the downlink message starts is at the second symbol position of the first downlink subframe or at the beginning of the second downlink subframe;

Transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum if it is determined that the location at which the downlink message starts to be transmitted is the second symbol location of the first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from the second symbol of the first downlink subframe to the third symbol of the first downlink subframe in the time domain and occupies the first set of subcarriers in the frequency domain, wherein the base station has a first pattern;

if it is determined that the location at which the downlink message starts to be transmitted is the second symbol location of the first downlink subframe, transmitting, by the base station, a first PDCCH message to the mobile terminal in the shared spectrum, wherein the first PDCCH message occupies a plurality of symbols from a fourth symbol of the first downlink subframe to a third symbol of the first downlink subframe in the time domain, and the first PDCCH message occupies a second set of subcarriers in the frequency domain, wherein the second set of subcarriers does not overlap the first set of subcarriers, wherein the fourth symbol follows the second symbol in time, wherein the first PDCCH message has an indication of the second symbol and the third symbol therein;

in response to receiving the first PDCCH message, decoding, by the mobile terminal, the first PDSCH message based on the first PDCCH message, wherein the first PDSCH message includes smart security information.

In a preferred embodiment, the method for providing intelligent security information based on a blockchain system includes the following steps:

transmitting, by the base station, a second PDCCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the second PDCCH message occupies a third set of subcarriers in the frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

transmitting, by the base station, a second PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the mobile terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and occupies a fourth set of subcarriers in the frequency domain, wherein the fourth set of subcarriers does not overlap with the third set of subcarriers, wherein there is no indication of a starting symbol and a ending symbol of the second PDSCH in the second PDCCH message;

In response to receiving the second PDCCH message, decoding, by the mobile terminal, the second PDSCH message based on the second PDCCH message, wherein the second PDSCH message includes smart security information.

transmitting, by the base station, a third PDCCH message to the mobile terminal in the shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the second PDSCH message to the mobile terminal, wherein the third PDCCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a second symbol of the third downlink subframe in the time domain, and the third PDCCH message occupies the first set of subcarriers in the frequency domain, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

transmitting, by the base station, a third PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the mobile terminal, wherein the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe in the time domain, and the third PDSCH message occupies a second set of subcarriers in the frequency domain, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein the third PDCCH message has an indication of the third symbol of the third downlink subframe;

Responsive to receiving the third PDCCH message, decoding, by the mobile terminal, the third PDSCH message based on the third PDCCH message, wherein the third PDSCH message includes smart security information;

transmitting, by the base station, a first PDCCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe if it is determined that the position at which the transmission of the downlink message starts is at the beginning of the second downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the first PDCCH message occupies a first set of subcarriers in the frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a first pattern;

transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the first PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the first PDSCH message occupies a second set of subcarriers in the frequency domain, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein the first PDCCH message does not have an indication of a starting symbol and a starting symbol of the first PDSCH;

transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum if it is determined that the location at which the downlink message starts to be transmitted is the second symbol location of the first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from the second symbol of the first downlink subframe to the third symbol of the first downlink subframe in the time domain and the first PDSCH message occupies the first set of subcarriers in the frequency domain, wherein the base station has the second mode;

transmitting, by the base station, a first PDCCH message to the mobile terminal if it is determined that the location at which the transmission of the downlink message begins is a second symbol location of the first downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from a fourth symbol of the first downlink subframe to a third symbol of the first downlink subframe in the time domain, and wherein the first PDCCH message is located in the licensed spectrum in the frequency domain, wherein the fourth symbol is subsequent in time to the second symbol, wherein the first PDCCH message has an indication of the second symbol and the third symbol therein;

Responsive to receiving the first PDCCH message, decoding, by the mobile terminal, the first PDSCH message based on the first PDCCH message, wherein the first PDSCH message includes smart security information;

transmitting, by the base station, a second PDCCH message to the mobile terminal starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, the second PDCCH message being located in a licensed spectrum in the frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

transmitting, by the base station, a second PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the mobile terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the second PDSCH message occupies a fourth set of subcarriers in the frequency domain, wherein no indication of a starting symbol and a cut-off symbol of the second PDSCH is present in the second PDCCH message;

transmitting, by the base station, a third PDCCH message to the mobile terminal starting from a first symbol of a third downlink subframe in response to transmitting the second PDSCH message to the mobile terminal, wherein the third PDCCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a second symbol of the third downlink subframe in the time domain, the third PDCCH message being located in a licensed spectrum in the frequency domain, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

transmitting, by the base station, a third PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the mobile terminal, wherein the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe in the time domain and occupies a second set of subcarriers in the frequency domain, wherein the third PDSCH message has an indication of the third symbol of the third downlink subframe;

if it is determined that the location at which the transmission of the downlink message is started is at the beginning of a second downlink subframe, transmitting, by the base station, a first PDCCH message to the mobile terminal from a first symbol of the second downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a second symbol of the second downlink subframe in a time domain, and the second PDCCH message is located in a licensed spectrum in a frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a second mode;

transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of the second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the first PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the first PDSCH message occupies a fourth set of subcarriers in the frequency domain, wherein the first PDCCH message does not have an indication of a starting symbol and a stopping symbol of the first PDSCH;

The invention provides a system for providing intelligent security information based on a blockchain system, which is characterized in that the system for providing intelligent security information based on the blockchain system comprises:

means for establishing a communication connection by a wireless terminal with a base station, wherein communication between the wireless terminal and the base station is via a shared spectrum;

means for receiving, by the base station, security control information from the blockchain system in response to establishing the communication connection with the base station;

means for performing, by the base station, an LBT procedure at a first symbol position of a first downlink subframe in response to receiving security control information from the blockchain system;

means for determining, by the base station, if the LBT procedure is successful, whether the location at which the transmission of the downlink message starts is at the second symbol location of the first downlink subframe or at the beginning of the second downlink subframe;

means for transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum if the location at which the transmission of the downlink message is determined to begin is a second symbol location of the first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from a second symbol of the first downlink subframe to a third symbol of the first downlink subframe in the time domain and the first PDSCH message occupies a first set of subcarriers in the frequency domain, wherein the base station has a first pattern;

Means for transmitting, by the base station, a first PDCCH message to the mobile terminal in the shared spectrum if it is determined that the location at which the downlink message starts to be transmitted is a second symbol location of the first downlink subframe, wherein in the time domain the first PDCCH message occupies a plurality of symbols from a fourth symbol of the first downlink subframe to a third symbol of the first downlink subframe, and in the frequency domain the first PDCCH message occupies a second set of subcarriers, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein in time the fourth symbol follows the second symbol, wherein the first PDCCH message has an indication of the second symbol and the third symbol;

In a preferred embodiment, the system for providing intelligent security information based on a blockchain system includes:

means for transmitting, by the base station, a second PDCCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the second PDCCH message occupies a third set of subcarriers in the frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

Means for transmitting, by the base station, a second PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the mobile terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the second PDSCH message occupies a fourth set of subcarriers in the frequency domain, wherein the fourth set of subcarriers does not overlap with the third set of subcarriers, wherein no indication of a starting symbol and a ending symbol of the second PDSCH is present in the second PDCCH message;

and means for decoding, by the mobile terminal, a second PDSCH message based on the second PDCCH message in response to receiving the second PDCCH message, wherein the second PDSCH message includes smart security information.

means for transmitting, by the base station, a third PDCCH message to the mobile terminal in the shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the second PDSCH message to the mobile terminal, wherein the third PDCCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a second symbol of the third downlink subframe in the time domain, and the third PDCCH message occupies the first set of subcarriers in the frequency domain, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

Means for transmitting, by the base station, a third PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the mobile terminal, wherein the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe in the time domain, and the third PDSCH message occupies a second set of subcarriers in the frequency domain, wherein the second set of subcarriers does not overlap the first set of subcarriers, wherein the third PDCCH message has an indication of the third symbol of the third downlink subframe;

means for decoding, by the mobile terminal, a third PDSCH message based on the third PDCCH message in response to receiving the third PDCCH message, wherein the third PDSCH message includes smart security information;

means for transmitting, by the base station, a first PDCCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe if it is determined that the position at which the transmission of the downlink message starts is at the beginning of the second downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the first PDCCH message occupies a first set of subcarriers in the frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a first mode;

Means for transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the first PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the first PDSCH message occupies a second set of subcarriers in the frequency domain, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein the first PDCCH message does not have an indication of a starting symbol and a starting symbol of the first PDSCH;

means for transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum if the location at which the transmission of the downlink message is determined to begin is a second symbol location of the first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from a second symbol of the first downlink subframe to a third symbol of the first downlink subframe in the time domain and the first PDSCH message occupies a first set of subcarriers in the frequency domain, wherein the base station has a second mode;

Means for transmitting, by the base station, a first PDCCH message to the mobile terminal if it is determined that the location at which the transmission of the downlink message begins is a second symbol location of the first downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from a fourth symbol of the first downlink subframe to a third symbol of the first downlink subframe in the time domain, and wherein the first PDCCH message is located in a licensed spectrum, wherein the fourth symbol is subsequent in time to the second symbol, wherein the first PDCCH message has an indication of the second symbol and the third symbol therein;

means for decoding, by the mobile terminal, a first PDSCH message based on the first PDCCH message in response to receiving the first PDCCH message, wherein the first PDSCH message includes smart security information;

means for transmitting, by the base station, a second PDCCH message to the mobile terminal starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, the second PDCCH message being located in a licensed spectrum in the frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

Means for transmitting, by the base station, a second PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the mobile terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the second PDSCH message occupies a fourth set of subcarriers in the frequency domain, wherein no indication of a starting symbol and a cut-off symbol of the second PDSCH is present in the second PDCCH message;

means for transmitting, by the base station, a third PDCCH message to the mobile terminal starting from a first symbol of a third downlink subframe in response to transmitting the second PDSCH message to the mobile terminal, wherein the third PDCCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a second symbol of the third downlink subframe in the time domain, the third PDCCH message being located in a licensed spectrum in the frequency domain, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

Means for transmitting, by the base station, a third PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the mobile terminal, wherein the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe in the time domain, and the third PDSCH message occupies a second set of subcarriers in the frequency domain, wherein the third PDCCH message has an indication of the third symbol of the third downlink subframe;

means for transmitting, by the base station, a first PDCCH message to the mobile terminal starting from a first symbol of a second downlink subframe if it is determined that the location at which the transmission of the downlink message starts is at the beginning of the second downlink subframe, wherein in the time domain the first PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a second symbol of the second downlink subframe, and in the frequency domain the second PDCCH message is located in a licensed spectrum, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a second mode;

Means for transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum starting from a first symbol of the second downlink subframe in response to transmitting the first PDCCH message to the mobile terminal, wherein the first PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in the time domain, and the first PDSCH message occupies a fourth set of subcarriers in the frequency domain, wherein the first PDCCH message does not have an indication of a starting symbol and a cut-off symbol of the first PDSCH;

Compared with the prior art, the application has the advantages that the community security protection and the public place security protection are important measures for the social management of China, and the monitoring device can be covered on the whole surface of the current large-scale city basically along with the development of technology, and the city has no monitoring dead angle basically. With the increase of the number of monitoring devices, the geometric progression of data is increased, and if only manual analysis is performed, the data can only play a role in evidence in post-investigation evidence collection, and basically cannot play a role in prevention. In order to truly prevent the system from happening, massive security data need to be uploaded to a server so that the server or a super computer with strong computing capability can analyze and judge complex data, and the server also hopes to realize autonomous data collection by controlling a security terminal. And the real basis of these perspectives is the rapid transmission of data. In order to achieve the aim, the application provides a method and a system for providing intelligent security information based on a blockchain system.

Drawings

Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.

FIG. 2 is a flow chart of a method according to an embodiment of the invention.

Detailed Description

The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention. It will be appreciated by those skilled in the art that fig. 1 shows schematically that the system of the invention may be applied to cells and that the system of the invention may of course be used for monitoring in public places.

FIG. 2 is a flow chart of a method according to an embodiment of the invention. As shown, the method of the present invention comprises the steps of:

step 101: establishing a communication connection by a wireless terminal with a base station, wherein the wireless terminal and the base station communicate via a shared spectrum;

Step 102: receiving, by the base station, security control information from the blockchain system in response to establishing the communication connection with the base station; if the wireless terminal is a fixed camera, the security control information can be a command of rotating the camera, a focusing command and the like, and if the wireless terminal is a self-propelled robot, the security control information can be robot motion control information and the like; the concept of a blockchain system is the prior art, and a large number of prior art related to the blockchain system can be found through the retrieval of a patent database;

step 103: performing, by the base station, an LBT procedure at a first symbol position of a first downlink subframe in response to receiving security control information from the blockchain system;

step 104: if the LBT procedure is successful, determining, by the base station, whether the position at which the transmission of the downlink message starts is at the second symbol position of the first downlink subframe or at the beginning of the second downlink subframe;

step 105: transmitting, by the base station, a first PDSCH message to the mobile terminal in the shared spectrum if it is determined that the location at which the downlink message starts to be transmitted is the second symbol location of the first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from the second symbol of the first downlink subframe to the third symbol of the first downlink subframe in the time domain and occupies the first set of subcarriers in the frequency domain, wherein the base station has a first pattern; it will be appreciated by those skilled in the art that the second symbol herein is not the first symbol of the first downlink subframe; for example, taking a 4G system as an example, there are two slots in one subframe, and one slot includes 7 OFDM symbols, then there are 14 OFDM symbols numbered 0-13 in time sequence in one subframe, the second symbol may be, for example, a symbol numbered 3, the third symbol may be, for example, a symbol numbered 10, and so on;

Step 106: if it is determined that the location at which the downlink message starts to be transmitted is the second symbol location of the first downlink subframe, transmitting, by the base station, a first PDCCH message to the mobile terminal in the shared spectrum, wherein the first PDCCH message occupies a plurality of symbols from a fourth symbol of the first downlink subframe to a third symbol of the first downlink subframe in the time domain, and the first PDCCH message occupies a second set of subcarriers in the frequency domain, wherein the second set of subcarriers does not overlap the first set of subcarriers, wherein the fourth symbol follows the second symbol in time, wherein the first PDCCH message has an indication of the second symbol and the third symbol therein;

step 107: in response to receiving the first PDCCH message, decoding, by the mobile terminal, the first PDSCH message based on the first PDCCH message, wherein the first PDSCH message includes smart security information.

It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A method for providing intelligent security information based on a block chain system is characterized in that,

the method for providing intelligent security information based on the blockchain system comprises the following steps:

establishing a communication connection by a wireless terminal with a base station, wherein the wireless terminal and the base station communicate via a shared spectrum; the wireless terminal is a fixed camera, and the security control information is a command for rotating the camera or a focusing command;

transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum if it is determined that a position at which the transmission of the downlink message starts is a second symbol position of a first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from a second symbol of the first downlink subframe to a third symbol of the first downlink subframe in a time domain, and the first PDSCH message occupies a first set of subcarriers in a frequency domain, wherein the base station has a first pattern;

Transmitting, by a base station, a first PDCCH message to the wireless terminal in a shared spectrum if it is determined that a location at which a downlink message starts to be transmitted is a second symbol location of a first downlink subframe, wherein in a time domain the first PDCCH message occupies a plurality of symbols from a fourth symbol of the first downlink subframe to a third symbol of the first downlink subframe, and in a frequency domain the first PDCCH message occupies a second set of subcarriers, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein in time the fourth symbol follows the second symbol, wherein the first PDCCH message has an indication of the second symbol and the third symbol therein;

in response to receiving the first PDCCH message, decoding, by a wireless terminal, the first PDSCH message based on the first PDCCH message, wherein the first PDSCH message includes smart security information;

transmitting, by a base station, a second PDCCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein in a time domain the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe, and in a frequency domain the second PDCCH message occupies a third set of subcarriers, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

Transmitting, by a base station, a second PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the wireless terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the second PDSCH message occupies a fourth set of subcarriers in a frequency domain, wherein the fourth set of subcarriers does not overlap with the third set of subcarriers, wherein the second PDCCH message does not have an indication of a starting symbol and a ending symbol of the second PDSCH;

in response to receiving the second PDCCH message, decoding, by the wireless terminal, the second PDSCH message based on the second PDCCH message, wherein the second PDSCH message includes smart security information.

2. The method for providing intelligent security information based on a blockchain system as in claim 1,

transmitting, by a base station, a third PDCCH message to the wireless terminal in a shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting a second PDSCH message to the wireless terminal, wherein in a time domain the third PDCCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a second symbol of the third downlink subframe, and in a frequency domain the third PDCCH message occupies a first set of subcarriers, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

Transmitting, by a base station, a third PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the wireless terminal, wherein in a time domain the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe, and in a frequency domain the third PDSCH message occupies a second set of subcarriers, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein the third PDCCH message has an indication of the third symbol of the third downlink subframe;

in response to receiving the third PDCCH message, decoding, by a wireless terminal, the third PDSCH message based on the third PDCCH message, wherein the third PDSCH message includes smart security information;

transmitting, by a base station, a first PDCCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe if it is determined that a position at which transmission of a downlink message starts is at the beginning of the second downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the first PDCCH message occupies a first set of subcarriers in a frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a first mode;

Transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein the first PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the first PDSCH message occupies a second set of subcarriers in a frequency domain, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein the first PDCCH message does not have an indication of a starting symbol and a ending symbol of the first PDSCH;

in response to receiving the first PDCCH message, decoding, by a wireless terminal, the first PDSCH message based on the first PDCCH message, wherein the first PDSCH message includes smart security information.

3. The method for providing intelligent security information based on a blockchain system as in claim 2,

transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum if it is determined that a position at which the transmission of the downlink message starts is a second symbol position of a first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from a second symbol of the first downlink subframe to a third symbol of the first downlink subframe in a time domain, and the first PDSCH message occupies a first set of subcarriers in a frequency domain, wherein the base station has a second pattern;

Transmitting, by a base station, a first PDCCH message to the wireless terminal if it is determined that a location at which transmission of a downlink message begins is a second symbol location of a first downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from a fourth symbol of a first downlink subframe to a third symbol of the first downlink subframe in a time domain, the first PDCCH message being located in a licensed spectrum in a frequency domain, wherein the fourth symbol is subsequent in time to the second symbol, wherein the first PDCCH message has an indication of the second symbol and the third symbol therein;

transmitting, by a base station, a second PDCCH message to the wireless terminal starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, the second PDCCH message being located in a licensed spectrum in a frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

Transmitting, by a base station, a second PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the wireless terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the second PDSCH message occupies a fourth set of subcarriers in a frequency domain, wherein the second PDCCH message has no indication of a starting symbol and a cut-off symbol of the second PDSCH;

4. The method for providing intelligent security information based on a blockchain system as in claim 3,

transmitting, by a base station, a third PDCCH message to the wireless terminal starting from a first symbol of a third downlink subframe in response to transmitting a second PDSCH message to the wireless terminal, wherein the third PDCCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a second symbol of the third downlink subframe in a time domain, the third PDCCH message being located in a licensed spectrum in a frequency domain, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

Transmitting, by a base station, a third PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the wireless terminal, wherein the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe in a time domain, and the third PDSCH message occupies a second set of subcarriers in a frequency domain, wherein the third PDCCH message has an indication of the third symbol of the third downlink subframe;

transmitting, by a base station, a first PDCCH message to the wireless terminal starting from a first symbol of a second downlink subframe if it is determined that a position at which transmission of a downlink message starts is at a start of the second downlink subframe, wherein in a time domain the first PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a second symbol of the second downlink subframe, and in a frequency domain the second PDCCH message is located in a licensed spectrum, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a second mode;

Transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein the first PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the first PDSCH message occupies a fourth set of subcarriers in a frequency domain, wherein the first PDCCH message has no indication of a starting symbol and a cut-off symbol of the first PDSCH;

5. A system for providing intelligent security information based on a block chain system is characterized in that,

the intelligent security information providing system based on the blockchain system comprises:

means for establishing a communication connection by a wireless terminal with a base station, wherein the wireless terminal and the base station communicate via a shared spectrum; the wireless terminal is a fixed camera, and the security control information is a command for rotating the camera or a focusing command;

Means for receiving, by a base station, security control information from a blockchain system in response to establishing a communication connection with the base station;

means for transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum if it is determined that a location at which transmission of a downlink message begins is a second symbol location of a first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from a second symbol of the first downlink subframe to a third symbol of the first downlink subframe in a time domain, and the first PDSCH message occupies a first set of subcarriers in a frequency domain, wherein the base station has a first pattern;

means for transmitting, by a base station, a first PDCCH message to the wireless terminal in a shared spectrum if it is determined that a location at which a downlink message starts to be transmitted is a second symbol location of a first downlink subframe, wherein in a time domain the first PDCCH message occupies a plurality of symbols from a fourth symbol of the first downlink subframe to a third symbol of the first downlink subframe, and in a frequency domain the first PDCCH message occupies a second set of subcarriers, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein in time the fourth symbol follows the second symbol, wherein the first PDCCH message has an indication of the second symbol and the third symbol therein;

Means for decoding, by a wireless terminal, the first PDSCH message based on the first PDCCH message in response to receiving the first PDCCH message, wherein the first PDSCH message includes smart security information;

means for transmitting, by a base station, a second PDCCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein in a time domain the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe, and in a frequency domain the second PDCCH message occupies a third set of subcarriers, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

means for transmitting, by a base station, a second PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the wireless terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the second PDSCH message occupies a fourth set of subcarriers in a frequency domain, wherein the fourth set of subcarriers does not overlap with the third set of subcarriers, wherein the second PDCCH message does not have an indication of a starting symbol and a cut-off symbol of the second PDSCH;

6. The system for providing intelligent security information based on a blockchain system as in claim 5,

transmitting, by a base station, a third PDCCH message to the wireless terminal in a shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting a second PDSCH message to the wireless terminal, wherein the third PDCCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a second symbol of the third downlink subframe in a time domain, the third PDCCH message occupies a first set of subcarriers in a frequency domain, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

means for transmitting, by a base station, a third PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the wireless terminal, wherein in a time domain the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe, and in a frequency domain the third PDSCH message occupies a second set of subcarriers, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein the third PDCCH message has an indication of the third symbol of the third downlink subframe;

Means for decoding, by a wireless terminal, the third PDSCH message based on the third PDCCH message in response to receiving the third PDCCH message, wherein the third PDSCH message includes smart security information;

means for transmitting, by a base station, a first PDCCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe if it is determined that a position at which transmission of a downlink message starts is at a start of the second downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from a first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the first PDCCH message occupies a first set of subcarriers in a frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a first mode;

means for transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein the first PDSCH message occupies a plurality of symbols from a first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the first PDSCH message occupies a second set of subcarriers in a frequency domain, wherein the second set of subcarriers does not overlap with the first set of subcarriers, wherein the first PDCCH message does not have an indication of a starting symbol and a cut-off symbol of the first PDSCH;

7. The system for providing intelligent security information based on a blockchain system as in claim 6,

means for transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum if it is determined that a location at which transmission of a downlink message begins is a second symbol location of a first downlink subframe, wherein the first PDSCH message occupies a plurality of symbols from a second symbol of the first downlink subframe to a third symbol of the first downlink subframe in a time domain, and the first PDSCH message occupies a first set of subcarriers in a frequency domain, wherein the base station has a second mode;

means for transmitting, by a base station, a first PDCCH message to the wireless terminal if it is determined that a location at which transmission of a downlink message begins is a second symbol location of a first downlink subframe, wherein the first PDCCH message occupies a plurality of symbols from a fourth symbol of a first downlink subframe to a third symbol of the first downlink subframe in a time domain, the first PDCCH message being located in a licensed spectrum, wherein the fourth symbol is subsequent in time to the second symbol, wherein the first PDCCH message has an indication of the second symbol and the third symbol;

means for transmitting, by a base station, a second PDCCH message to the wireless terminal starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein the second PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, the second PDCCH message being located in a licensed spectrum in a frequency domain, wherein the second downlink subframe is a subframe immediately following the first downlink subframe;

means for transmitting, by a base station, a second PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the second PDCCH message to the wireless terminal, wherein the second PDSCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the second PDSCH message occupies a fourth set of subcarriers in a frequency domain, wherein the second PDCCH message does not have an indication of a starting symbol and a cut-off symbol of the second PDSCH;

8. The system for providing intelligent security information based on a blockchain system as in claim 7,

means for transmitting, by a base station, a third PDCCH message to the wireless terminal starting from a first symbol of a third downlink subframe in response to transmitting a second PDSCH message to the wireless terminal, wherein the third PDCCH message occupies a plurality of symbols from the first symbol of a third downlink subframe to a second symbol of the third downlink subframe in the time domain, the third PDCCH message being located in a licensed spectrum in the frequency domain, wherein the third downlink subframe is a subframe immediately following the second downlink subframe;

means for transmitting, by a base station, a third PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a third downlink subframe in response to transmitting the third PDCCH message to the wireless terminal, wherein the third PDSCH message occupies a plurality of symbols from the first symbol of the third downlink subframe to a third symbol of the third downlink subframe in a time domain, and the third PDSCH message occupies a second set of subcarriers in a frequency domain, wherein the third PDCCH message has an indication of the third symbol of the third downlink subframe;

means for transmitting, by a base station, a first PDCCH message to the wireless terminal starting from a first symbol of a second downlink subframe if it is determined that a position at which transmission of a downlink message starts is at a beginning of the second downlink subframe, wherein in a time domain the first PDCCH message occupies a plurality of symbols from the first symbol of the second downlink subframe to a second symbol of the second downlink subframe, and in a frequency domain the second PDCCH message is located in a licensed spectrum, wherein the second downlink subframe is a subframe immediately following the first downlink subframe, wherein the base station has a second mode;

means for transmitting, by a base station, a first PDSCH message to the wireless terminal in a shared spectrum starting from a first symbol of a second downlink subframe in response to transmitting the first PDCCH message to the wireless terminal, wherein the first PDSCH message occupies a plurality of symbols from a first symbol of the second downlink subframe to a last symbol of the second downlink subframe in a time domain, and the first PDSCH message occupies a fourth set of subcarriers in a frequency domain, wherein the first PDCCH message does not have an indication of a starting symbol and a cut-off symbol of the first PDSCH;