CN111970385A - Multifunctional remote monitoring method for Internet of things - Google Patents
Multifunctional remote monitoring method for Internet of things Download PDFInfo
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- CN111970385A CN111970385A CN202011131484.5A CN202011131484A CN111970385A CN 111970385 A CN111970385 A CN 111970385A CN 202011131484 A CN202011131484 A CN 202011131484A CN 111970385 A CN111970385 A CN 111970385A
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- 238000005259 measurement Methods 0.000 claims abstract description 25
- 238000012790 confirmation Methods 0.000 claims abstract description 10
- 238000013475 authorization Methods 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
The invention discloses a multifunctional remote Internet of things monitoring method, which comprises the following steps: monitoring gas safety information by a multifunctional Internet of things terminal; establishing, by the multifunctional internet of things terminal, an RRC connection with the first base station, wherein the multifunctional internet of things terminal has received system information from the first base station before establishing the RRC connection with the first base station; receiving, by the multifunctional internet of things terminal, a measurement report configuration sent by the first base station in response to establishing the RRC connection with the first base station; monitoring, by the multifunctional internet of things terminal, a synchronization signal transmitted by the first base station and a synchronization signal transmitted by the second base station in response to receiving the measurement report configuration; responding to the received switching request message, and sending a switching confirmation message to the first base station by the second base station, wherein the switching confirmation message at least comprises configuration information for the multifunctional Internet of things terminal to randomly access the second base station; in response to receiving the handover request message.
Description
Technical Field
The invention relates to the technical field of monitoring of the Internet of things, in particular to a multifunctional remote monitoring method of the Internet of things.
Background
The internet of things monitoring (The internet of things monitoring) is a comprehensive system with strong precaution capability, mainly functions as a transmission network, a monitoring operation platform and an instant dynamic video recording, and plays an important role in numerous fields, such as dynamic real-time control of operation and riding of a school bus through The internet of things monitoring.
The prior art CN208655019U discloses a gas pressure remote data acquisition system based on the internet of things, which comprises an explosion-proof case, wherein the explosion-proof case comprises an upper shell and a lower shell, the upper shell is in a cover plate shape, the lower shell is in a box shape, a containing space is arranged in the lower shell, four corners of the upper shell and four corners of the lower shell are detachably connected, the upper shell is rotatably connected with one side of the lower shell, the lower end of the explosion-proof case is provided with a power signal wire inlet and outlet, and one side of the explosion-proof case is provided with an antenna connecting port; the explosion-proof machine case is internally provided with a main control module, a power supply module, a sensor acquisition monitoring module and a remote transmission module, an antenna connector is provided with an antenna, the main control module is respectively electrically connected with the power supply module, the sensor acquisition monitoring module and the remote transmission module, and the remote transmission module is electrically connected with the antenna.
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 skilled in the art.
Disclosure of Invention
The invention aims to provide a multifunctional remote monitoring method of the Internet of things, which can overcome the defects of the prior art.
In order to achieve the purpose, the invention provides a multifunctional remote internet of things monitoring method, which is characterized by comprising the following steps:
monitoring gas safety information by a multifunctional Internet of things terminal;
establishing, by the multifunctional internet of things terminal, an RRC connection with the first base station, wherein the multifunctional internet of things terminal has received system information from the first base station before establishing the RRC connection with the first base station;
receiving, by the multifunctional internet of things terminal, a measurement report configuration sent by the first base station in response to establishing the RRC connection with the first base station;
monitoring, by the multifunctional internet of things terminal, a synchronization signal transmitted by the first base station and a synchronization signal transmitted by the second base station in response to receiving the measurement report configuration;
in response to monitoring the synchronization signal sent by the first base station and the synchronization signal sent by the second base station, determining, by the multifunctional internet of things terminal, a link quality of a first wireless link between the multifunctional internet of things terminal and the first base station and a link quality of a second wireless link between the multifunctional internet of things terminal and the second base station;
in response to determining the link quality of the first wireless link and the link quality of the second wireless link, determining, by the multifunctional internet of things terminal, whether the link quality of the first wireless link is below a first link quality threshold and whether the link quality of the second wireless link is above a second link quality threshold, wherein the first link quality threshold and the second link quality threshold are indicated in the measurement report configuration, and the second link quality threshold is greater than the first link quality threshold;
if the link quality of the first wireless link is judged to be lower than a first link quality threshold and the link quality of the second wireless link is judged to be higher than a second link quality threshold, the multifunctional Internet of things terminal sends a measurement report to the first base station;
sending, by the first base station, a handover request message to the second base station in response to receiving the measurement report;
responding to the received switching request message, and sending a switching confirmation message to the first base station by the second base station, wherein the switching confirmation message at least comprises configuration information for the multifunctional Internet of things terminal to randomly access the second base station;
and responding to the received switching request message, and sending an RRC connection reconfiguration message to the terminal of the multifunctional Internet of things by the first base station, wherein the RRC connection reconfiguration message at least comprises configuration information.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
synchronizing, by the multifunctional internet of things terminal, with the second base station in response to receiving the RRC connection reconfiguration message;
in response to receiving the RRC connection reconfiguration message, determining, by the multifunctional internet of things terminal, whether the multifunctional internet of things terminal is to access the second base station using the first random access mode or the second random access mode based on the configuration information;
if the multifunctional Internet of things terminal is judged to be accessed to the second base station by using the first random access mode, the multifunctional Internet of things terminal monitors the synchronous signal sent by the second base station again;
in response to monitoring the synchronization signal sent by the second base station, determining, by the multifunctional internet of things terminal, link quality of a second wireless link between the multifunctional internet of things terminal and the second base station;
in response to determining the link quality of the second wireless link, determining, by the multifunctional internet of things terminal, whether the link quality of the second wireless link is higher than a third link quality threshold, wherein the third link quality threshold is indicated in the configuration information;
if the link quality of the second wireless link is judged to be higher than a third link quality threshold, the multifunctional Internet of things terminal simultaneously sends a random access preamble and a PUSCH message to the second base station, wherein the PUSCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal and at least part of gas safety information;
and if the link quality of the second wireless link is lower than a third link quality threshold, the multifunctional Internet of things terminal simultaneously sends a random access preamble and a PUSCH message to the second base station, wherein the PUSCH message at least comprises the C-RNTI of the multifunctional Internet of things terminal but does not comprise the gas safety information.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
responding to a received random access preamble and a PUSCH message sent by the multifunctional Internet of things terminal, and sending a PDCCH message and a PDSCH message to the multifunctional Internet of things terminal by a second base station, wherein the PDCCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal, and the PDSCH message at least comprises an uplink authorization;
in response to monitoring the PDCCH message sent by the second base station, the multifunctional Internet of things terminal judges whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal;
if the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal, the multifunctional Internet of things terminal monitors the PDSCH message based on the PDCCH message;
responding to the monitored PDSCH message, and sending gas safety information to the second base station by the multifunctional Internet of things terminal;
if the second base station only receives the random access preamble sent by the multifunctional Internet of things terminal, the second base station sends a PDCCH message and a PDSCH message to the multifunctional Internet of things terminal, wherein the PDCCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal, and the PDSCH message at least comprises a backspacing indication and an index of the random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station;
in response to monitoring the PDCCH message sent by the second base station, the multifunctional Internet of things terminal judges whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal;
if the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal, the multifunctional Internet of things terminal monitors the PDSCH message based on the PDCCH message;
in response to the monitoring of the PDSCH message, the multifunctional Internet of things terminal retransmits a random access preamble to the second base station by using a random access preamble sequence allocated by the second base station;
in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, transmitting a random access response to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and responding to the received random access response, and transmitting the gas safety information to the second base station by the multifunctional Internet of things terminal by using the resource indicated by the uplink authorization.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
if the multifunctional Internet of things terminal is judged to be accessed to the second base station by using the second random access mode, the multifunctional Internet of things terminal continuously judges whether the configuration information comprises an index of a random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station;
if the configuration information comprises the index of the random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station, the multifunctional Internet of things terminal sends the random access preamble sequence distributed by the second base station to the second base station;
in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, transmitting a random access response to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and responding to the received random access response, and transmitting the gas safety information to the second base station by the multifunctional Internet of things terminal by using the resource indicated by the uplink authorization.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
if the configuration information does not include the index of the random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station, the multifunctional Internet of things terminal sends a randomly selected random access preamble to the second base station;
responding to the received random access lead code, and sending a random access response to the multifunctional Internet of things terminal by the second base station, wherein the random access response at least comprises an uplink authorization;
in response to receiving the random access response, the terminal of the multifunctional internet of things sends a scheduled message to the second base station by using the resource indicated by the uplink authorization, wherein the scheduled message at least comprises the C-RNTI of the terminal of the multifunctional internet of things;
in response to receiving the scheduled message, transmitting, by the second base station, a contention resolution message to the multifunctional internet of things terminal, wherein the contention resolution message includes at least an uplink grant;
in response to receiving the contention resolution message, transmitting, by the multifunctional internet of things terminal, gas safety information to the second base station;
and responding to the received gas safety information, and sending the gas safety information to the cloud management platform by the second base station.
Compared with the prior art, the invention overcomes the defects that the monitoring of gas leakage or gas pressure is concerned with property safety and life safety, and the monitoring of related parameters of gas is always valued by all gas enterprises and units. The traditional gas monitoring mode is basically a wired connection mode, a monitoring device needs to be connected to a host through a cable to realize information transmission, and the mode has high deployment cost, long deployment time and poor system expansibility; in addition, the mode is that a sound and light alarm mode is adopted so that a worker can pay attention to dangerous conditions, and the mode can cause alarm failure due to untimely worker inspection; in addition, the prior art can use some simple short-range wireless transmission to realize simple remote monitoring, but the simple short-range wireless transmission has limited transmitted data volume, the less data and the less information, which are disadvantageous for accurately positioning fault points and automatically generating solutions, and is also not beneficial to realizing the final purposes of intelligent monitoring, intelligent factories and intelligent production. In view of the problems in the prior art, the application provides a multifunctional remote internet of things monitoring method and device.
Drawings
Fig. 1 is a schematic system configuration diagram according to an embodiment of the present invention.
Fig. 2 is a schematic configuration diagram of another system including a gas pressure monitoring terminal.
Fig. 3 is a schematic structural diagram of another system including a multifunctional internet of things monitoring terminal.
FIG. 4 is a flow chart of a method of an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a schematic system configuration diagram according to an embodiment of the present invention. As shown in the drawings, an exemplary system of the present invention includes a combustible gas monitoring terminal, which has a combustible gas monitoring function and a wireless transmission function, wherein the combustible gas monitoring function itself can be realized by a device in the prior art, and the combustible gas monitoring terminal can be formed by integrating an existing circuit and a wireless transceiver module. The combustible gas monitoring terminal can send monitored data to the base station, and the base station can send the data to the cloud management platform server.
Fig. 2 is a schematic configuration diagram of another system including a gas pressure monitoring terminal. As shown in the drawings, an exemplary system of the present invention includes a gas pressure monitoring terminal, which has a gas pressure monitoring function and a wireless transmission function, wherein the gas pressure measuring function itself is implemented by a device in the prior art, and the gas pressure monitoring terminal can be formed by integrating an existing circuit and a wireless transceiver module. The gas pressure monitoring terminal can send monitored data to the base station, and the base station can send the data to the cloud management platform server. The difference from the example of fig. 1 is that a firewall and a gateway are further included between the base station and the cloud management platform server.
Fig. 3 is a schematic structural diagram of another system including a multifunctional internet of things monitoring terminal. As shown in the figure, an exemplary system of the present invention includes a multifunctional internet of things monitoring terminal, where the multifunctional means that various gas related measurement devices can be integrated into one device, and a user only needs to purchase one multifunctional device to monitor various information (such as gas pressure, gas leakage, etc.).
FIG. 4 is a flow chart of a method of an embodiment of the present invention. As shown in the figure, the method of the present invention comprises the steps of:
step 101: monitoring gas safety information by a multifunctional Internet of things terminal; the multifunctional internet of things terminal refers to an electronic device with two or more measurement functions and a wireless communication function.
Step 102: establishing, by the multifunctional internet of things terminal, an RRC connection with the first base station, wherein the multifunctional internet of things terminal has received system information from the first base station before establishing the RRC connection with the first base station;
step 103: receiving, by the multifunctional internet of things terminal, a measurement report configuration sent by the first base station in response to establishing the RRC connection with the first base station;
step 104: monitoring, by the multifunctional internet of things terminal, a synchronization signal transmitted by the first base station and a synchronization signal transmitted by the second base station in response to receiving the measurement report configuration;
step 105: in response to monitoring the synchronization signal sent by the first base station and the synchronization signal sent by the second base station, determining, by the multifunctional internet of things terminal, a link quality of a first wireless link between the multifunctional internet of things terminal and the first base station and a link quality of a second wireless link between the multifunctional internet of things terminal and the second base station; the link quality measurement may adopt parameters such as RSRQ, RSRP, signal-to-noise ratio, signal-to-interference-and-noise ratio, and the like, which are all known parameters and are not described in detail herein.
Step 106: in response to determining the link quality of the first wireless link and the link quality of the second wireless link, determining, by the multifunctional internet of things terminal, whether the link quality of the first wireless link is below a first link quality threshold and whether the link quality of the second wireless link is above a second link quality threshold, wherein the first link quality threshold and the second link quality threshold are indicated in the measurement report configuration, and the second link quality threshold is greater than the first link quality threshold; the specific value of the link quality threshold is determined by the network according to the current specific situation, for example, a network optimization engineer may know the relationship between the threshold and parameters such as the delay and the packet loss rate according to the drive test result, and then reverse-deduces the threshold according to the delay and the packet loss rate.
Step 107: if the link quality of the first wireless link is judged to be lower than a first link quality threshold and the link quality of the second wireless link is judged to be higher than a second link quality threshold, the multifunctional Internet of things terminal sends a measurement report to the first base station;
step 108: sending, by the first base station, a handover request message to the second base station in response to receiving the measurement report;
step 109: responding to the received switching request message, and sending a switching confirmation message to the first base station by the second base station, wherein the switching confirmation message at least comprises configuration information for the multifunctional Internet of things terminal to randomly access the second base station;
step 110: and responding to the received switching request message, and sending an RRC connection reconfiguration message to the terminal of the multifunctional Internet of things by the first base station, wherein the RRC connection reconfiguration message at least comprises configuration information.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
synchronizing, by the multifunctional internet of things terminal, with the second base station in response to receiving the RRC connection reconfiguration message;
in response to receiving the RRC connection reconfiguration message, determining, by the multifunctional internet of things terminal, whether the multifunctional internet of things terminal is to access the second base station using the first random access mode or the second random access mode based on the configuration information; the multifunctional internet of things terminal can determine an access mode according to the delay requirement of data.
If the multifunctional Internet of things terminal is judged to be accessed to the second base station by using the first random access mode, the multifunctional Internet of things terminal monitors the synchronous signal sent by the second base station again;
in response to monitoring the synchronization signal sent by the second base station, determining, by the multifunctional internet of things terminal, link quality of a second wireless link between the multifunctional internet of things terminal and the second base station;
in response to determining the link quality of the second wireless link, determining, by the multifunctional internet of things terminal, whether the link quality of the second wireless link is higher than a third link quality threshold, wherein the third link quality threshold is indicated in the configuration information;
if the link quality of the second wireless link is judged to be higher than a third link quality threshold, the multifunctional Internet of things terminal simultaneously sends a random access preamble and a PUSCH message to the second base station, wherein the PUSCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal and at least part of gas safety information;
and if the link quality of the second wireless link is lower than a third link quality threshold, the multifunctional Internet of things terminal simultaneously sends a random access preamble and a PUSCH message to the second base station, wherein the PUSCH message at least comprises the C-RNTI of the multifunctional Internet of things terminal but does not comprise the gas safety information.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
responding to a received random access preamble and a PUSCH message sent by the multifunctional Internet of things terminal, and sending a PDCCH message and a PDSCH message to the multifunctional Internet of things terminal by a second base station, wherein the PDCCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal, and the PDSCH message at least comprises an uplink authorization;
in response to monitoring the PDCCH message sent by the second base station, the multifunctional Internet of things terminal judges whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal;
if the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal, the multifunctional Internet of things terminal monitors the PDSCH message based on the PDCCH message;
responding to the monitored PDSCH message, and sending gas safety information to the second base station by the multifunctional Internet of things terminal;
if the second base station only receives the random access preamble sent by the multifunctional Internet of things terminal, the second base station sends a PDCCH message and a PDSCH message to the multifunctional Internet of things terminal, wherein the PDCCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal, and the PDSCH message at least comprises a backspacing indication and an index of the random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station;
in response to monitoring the PDCCH message sent by the second base station, the multifunctional Internet of things terminal judges whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal;
if the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal, the multifunctional Internet of things terminal monitors the PDSCH message based on the PDCCH message;
in response to the monitoring of the PDSCH message, the multifunctional Internet of things terminal retransmits a random access preamble to the second base station by using a random access preamble sequence allocated by the second base station;
in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, transmitting a random access response to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and responding to the received random access response, and transmitting the gas safety information to the second base station by the multifunctional Internet of things terminal by using the resource indicated by the uplink authorization.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
if the multifunctional Internet of things terminal is judged to be accessed to the second base station by using the second random access mode, the multifunctional Internet of things terminal continuously judges whether the configuration information comprises an index of a random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station;
if the configuration information comprises the index of the random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station, the multifunctional Internet of things terminal sends the random access preamble sequence distributed by the second base station to the second base station;
in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, transmitting a random access response to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and responding to the received random access response, and transmitting the gas safety information to the second base station by the multifunctional Internet of things terminal by using the resource indicated by the uplink authorization.
In a preferred embodiment, the multifunctional remote internet of things monitoring method comprises the following steps:
if the configuration information does not include an index of a random access preamble sequence allocated to the multifunctional internet of things terminal by the second base station, the multifunctional internet of things terminal sends a randomly selected random access preamble to the second base station, the random access preamble is selected by the terminal based on random access parameters configured by the base station, the base station generally allocates a base sequence of the random access preamble and cyclic shift parameters to the terminal, then the terminal can calculate a random access preamble set, and then the terminal can randomly select a sequence as a Random Access (RA) preamble;
responding to the received random access lead code, and sending a random access response to the multifunctional Internet of things terminal by the second base station, wherein the random access response at least comprises an uplink authorization;
in response to receiving the random access response, the terminal of the multifunctional internet of things sends a scheduled message to the second base station by using the resource indicated by the uplink authorization, wherein the scheduled message at least comprises the C-RNTI of the terminal of the multifunctional internet of things;
in response to receiving the scheduled message, transmitting, by the second base station, a contention resolution message to the multifunctional internet of things terminal, wherein the contention resolution message includes at least an uplink grant;
in response to receiving the contention resolution message, transmitting, by the multifunctional internet of things terminal, gas safety information to the second base station;
and responding to the received gas safety information, and sending the gas safety information to the cloud management platform by the second base station.
The invention provides a multifunctional remote monitoring device for the Internet of things, which is characterized by comprising the following components:
the unit is used for monitoring gas safety information by the multifunctional Internet of things terminal;
means for establishing, by the multifunctional internet of things terminal, an RRC connection with the first base station, wherein the multifunctional internet of things terminal has received system information from the first base station before establishing the RRC connection with the first base station;
means for receiving, by the multifunctional internet of things terminal, a measurement report configuration sent by the first base station in response to establishing the RRC connection with the first base station;
means for monitoring, by the multifunctional internet of things terminal, a synchronization signal transmitted by the first base station and a synchronization signal transmitted by the second base station in response to receiving the measurement report configuration;
means for determining, by the multi-functional internet of things terminal, a link quality of a first wireless link between the multi-functional internet of things terminal and the first base station and a link quality of a second wireless link between the multi-functional internet of things terminal and the second base station in response to monitoring the synchronization signal sent by the first base station and the synchronization signal sent by the second base station;
means for determining, by the multifunctional internet of things terminal, whether a link quality of the first wireless link is below a first link quality threshold and whether a link quality of the second wireless link is above a second link quality threshold in response to determining the link quality of the first wireless link and the link quality of the second wireless link, wherein the first link quality threshold and the second link quality threshold are indicated in the measurement report configuration, and the second link quality threshold is greater than the first link quality threshold;
a unit for sending a measurement report to the first base station by the terminal of the multifunctional internet of things if the link quality of the first wireless link is judged to be lower than the first link quality threshold and the link quality of the second wireless link is judged to be higher than the second link quality threshold;
means for transmitting, by the first base station, a handover request message to the second base station in response to receiving the measurement report;
the method comprises the steps that a second base station sends a switching confirmation message to a first base station in response to receiving a switching request message, wherein the switching confirmation message at least comprises configuration information for enabling a multifunctional internet of things terminal to randomly access the second base station;
the method includes the steps of sending, by a first base station, an RRC connection reconfiguration message to a multifunctional internet of things terminal in response to receiving a handover request message, where the RRC connection reconfiguration message includes at least configuration information.
In a preferred embodiment, the multifunctional remote internet of things monitoring device comprises:
means for synchronizing, by the multifunctional internet of things terminal and the second base station, in response to receiving the RRC connection reconfiguration message;
means for determining, by the multifunctional internet of things terminal based on the configuration information, whether the multifunctional internet of things terminal is to access the second base station using the first random access mode or the second random access mode in response to receiving the RRC connection reconfiguration message;
a unit for monitoring, by the multifunctional internet of things terminal, a synchronization signal transmitted by the second base station again if it is determined that the multifunctional internet of things terminal is to access the second base station using the first random access mode;
means for determining, by the multi-functional internet of things terminal, a link quality of a second wireless link between the multi-functional internet of things terminal and the second base station in response to monitoring the synchronization signal sent by the second base station;
means for determining, by the multifunctional internet of things terminal, whether a link quality of the second wireless link is higher than a third link quality threshold in response to determining the link quality of the second wireless link, wherein the third link quality threshold is indicated in the configuration information;
a unit configured to, if it is determined that the link quality of the second radio link is higher than the third link quality threshold, send, by the multifunctional internet of things terminal, a random access preamble and a PUSCH message to the second base station at the same time, where the PUSCH message includes at least a C-RNTI of the multifunctional internet of things terminal and at least part of the gas safety information;
and a unit configured to, if it is determined that the link quality of the second radio link is lower than a third link quality threshold, simultaneously send, by the multifunctional internet of things terminal, a random access preamble and a PUSCH message to the second base station, where the PUSCH message includes at least the C-RNTI of the multifunctional internet of things terminal but does not include the gas safety information.
In a preferred embodiment, the multifunctional remote internet of things monitoring device comprises:
a unit used for responding to a received random access preamble and a PUSCH message sent by the multifunctional Internet of things terminal, and sending a PDCCH message and a PDSCH message to the multifunctional Internet of things terminal by a second base station, wherein the PDCCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal, and the PDSCH message at least comprises an uplink authorization;
the unit is used for responding to the monitored PDCCH message sent by the second base station, and the multifunctional Internet of things terminal judges whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal;
a unit for monitoring the PDSCH message by the multifunctional Internet of things terminal based on the PDCCH message if the PDCCH message is judged to include the C-RNTI of the multifunctional Internet of things terminal;
the unit is used for responding to the monitored PDSCH message and sending gas safety information to the second base station by the multifunctional Internet of things terminal;
a unit configured to, if the second base station receives only a random access preamble sent by the multifunctional internet of things terminal, send, by the second base station, a PDCCH message and a PDSCH message to the multifunctional internet of things terminal, where the PDCCH message includes at least a C-RNTI of the multifunctional internet of things terminal, and the PDSCH message includes at least a backoff indicator and an index of a random access preamble sequence allocated to the multifunctional internet of things terminal by the second base station;
the unit is used for responding to the monitored PDCCH message sent by the second base station, and the multifunctional Internet of things terminal judges whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal;
a unit for monitoring the PDSCH message by the multifunctional Internet of things terminal based on the PDCCH message if the PDCCH message is judged to include the C-RNTI of the multifunctional Internet of things terminal;
means for retransmitting, by the multifunctional internet of things terminal, the random access preamble to the second base station using the random access preamble sequence allocated by the second base station in response to the monitoring of the PDSCH message;
means for transmitting, by the second base station, a random access response to the multifunctional internet of things terminal in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and means for transmitting, by the multifunctional internet of things terminal, the gas safety information to the second base station using the resource indicated by the uplink grant in response to receiving the random access response.
In a preferred embodiment, the multifunctional remote internet of things monitoring device comprises:
a unit configured to, if it is determined that the multifunctional internet of things terminal is to access the second base station using the second random access mode, continue determining, by the multifunctional internet of things terminal, whether the configuration information includes an index of a random access preamble sequence allocated to the multifunctional internet of things terminal by the second base station;
a unit configured to send, by the multifunctional internet of things terminal, a random access preamble sequence allocated by the second base station to the second base station if it is determined that the configuration information includes an index of the random access preamble sequence allocated by the second base station to the multifunctional internet of things terminal;
means for transmitting, by the second base station, a random access response to the multifunctional internet of things terminal in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and means for transmitting, by the multifunctional internet of things terminal, the gas safety information to the second base station using the resource indicated by the uplink grant in response to receiving the random access response.
In a preferred embodiment, the multifunctional remote internet of things monitoring device comprises:
a unit configured to send, by the multifunctional internet of things terminal, a randomly selected random access preamble to the second base station if it is determined that the configuration information does not include an index of the random access preamble sequence allocated to the multifunctional internet of things terminal by the second base station;
the second base station sends a random access response to the multifunctional internet of things terminal in response to receiving the random access preamble, wherein the random access response at least comprises an uplink authorization;
the base station comprises a unit for responding to the received random access response, and a unit for sending a scheduled message to a second base station by the terminal of the multifunctional internet of things by using the resource indicated by the uplink authorization, wherein the scheduled message at least comprises a C-RNTI of the terminal of the multifunctional internet of things;
means for transmitting, by the second base station, a contention resolution message to the multifunctional internet of things terminal in response to receiving the scheduled message, wherein the contention resolution message includes at least an uplink grant;
means for transmitting, by the multifunctional internet of things terminal, gas safety information to the second base station in response to receiving the contention resolution message;
and a unit for sending, by the second base station, the gas safety information to the cloud management platform in response to receiving the gas safety information.
As will be appreciated by one skilled in the art, 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), computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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 have been 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 certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and 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 (5)
1. A multifunctional remote monitoring method of the Internet of things is characterized by comprising the following steps:
monitoring gas safety information by a multifunctional Internet of things terminal;
establishing, by a multifunctional internet of things terminal, an RRC connection with a first base station, wherein the multifunctional internet of things terminal has received system information from the first base station before establishing the RRC connection with the first base station;
receiving, by the multifunctional internet of things terminal, a measurement report configuration sent by the first base station in response to establishing the RRC connection with the first base station;
monitoring, by the multifunctional internet of things terminal, a synchronization signal transmitted by the first base station and a synchronization signal transmitted by the second base station in response to receiving the measurement report configuration;
in response to monitoring a synchronization signal sent by a first base station and a synchronization signal sent by a second base station, determining, by a multi-function internet of things terminal, a link quality of a first wireless link between the multi-function internet of things terminal and the first base station and a link quality of a second wireless link between the multi-function internet of things terminal and the second base station;
in response to determining the link quality of the first wireless link and the link quality of the second wireless link, determining, by a multifunctional internet of things terminal, whether the link quality of the first wireless link is below a first link quality threshold and whether the link quality of the second wireless link is above a second link quality threshold, wherein the first link quality threshold and the second link quality threshold are indicated in the measurement report configuration, and the second link quality threshold is greater than the first link quality threshold;
if the link quality of the first wireless link is judged to be lower than a first link quality threshold and the link quality of the second wireless link is judged to be higher than a second link quality threshold, the multifunctional Internet of things terminal sends a measurement report to the first base station;
sending, by the first base station, a handover request message to the second base station in response to receiving the measurement report;
responding to the received switching request message, sending a switching confirmation message to the first base station by the second base station, wherein the switching confirmation message at least comprises configuration information for randomly accessing the second base station by the terminal of the multifunctional internet of things;
and responding to the received switching request message, sending an RRC connection reconfiguration message to the terminal of the multifunctional Internet of things by the first base station, wherein the RRC connection reconfiguration message at least comprises the configuration information.
2. The multifunctional remote internet of things monitoring method of claim 1, comprising the steps of:
synchronizing, by the multifunctional internet of things terminal, with the second base station in response to receiving the RRC connection reconfiguration message;
in response to receiving the RRC connection reconfiguration message, determining, by a multifunctional Internet of things terminal, based on the configuration information, whether the multifunctional Internet of things terminal is to access the second base station using a first random access mode or a second random access mode;
if the multifunctional Internet of things terminal is judged to be accessed to the second base station by using the first random access mode, the multifunctional Internet of things terminal monitors the synchronous signal sent by the second base station again;
in response to monitoring a synchronization signal sent by a second base station, determining, by a multi-functional internet of things terminal, a link quality of a second wireless link between the multi-functional internet of things terminal and the second base station;
in response to determining the link quality of the second wireless link, determining, by a multifunctional internet of things terminal, whether the link quality of the second wireless link is higher than a third link quality threshold, wherein the third link quality threshold is indicated in the configuration information;
if the link quality of the second wireless link is judged to be higher than a third link quality threshold, a multifunctional Internet of things terminal simultaneously sends a random access preamble and a PUSCH message to the second base station, wherein the PUSCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal and at least part of the gas safety information;
and if the link quality of the second wireless link is lower than a third link quality threshold, simultaneously sending a random access preamble and a PUSCH message to the second base station by the multifunctional Internet of things terminal, wherein the PUSCH message at least comprises the C-RNTI of the multifunctional Internet of things terminal but does not comprise the gas safety information.
3. The multifunctional remote internet of things monitoring method of claim 2, comprising the steps of:
responding to a received random access preamble and a PUSCH message sent by the multifunctional Internet of things terminal, and sending a PDCCH message and a PDSCH message to the multifunctional Internet of things terminal by a second base station, wherein the PDCCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal, and the PDSCH message at least comprises an uplink authorization;
in response to monitoring the PDCCH message sent by the second base station, judging whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal by the multifunctional Internet of things terminal;
if the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal, the multifunctional Internet of things terminal monitors the PDSCH message based on the PDCCH message;
responding to the monitored PDSCH message, and sending the gas safety information to the second base station by the multifunctional Internet of things terminal;
if the second base station only receives the random access preamble sent by the multifunctional Internet of things terminal, the second base station sends a PDCCH message and a PDSCH message to the multifunctional Internet of things terminal, wherein the PDCCH message at least comprises a C-RNTI of the multifunctional Internet of things terminal, and the PDSCH message at least comprises a backspacing indication and an index of a random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station;
in response to monitoring the PDCCH message sent by the second base station, judging whether the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal by the multifunctional Internet of things terminal;
if the PDCCH message comprises the C-RNTI of the multifunctional Internet of things terminal, the multifunctional Internet of things terminal monitors the PDSCH message based on the PDCCH message;
in response to monitoring the PDSCH message, retransmitting a random access preamble to the second base station by the multifunctional Internet of things terminal by using the random access preamble sequence allocated by the second base station;
transmitting, by the second base station, a random access response to the multifunctional internet of things terminal in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and responding to the received random access response, and sending the gas safety information to the second base station by the multifunctional Internet of things terminal by using the resource indicated by the uplink authorization.
4. The multifunctional remote internet of things monitoring method of claim 3, comprising the steps of:
if the multifunctional Internet of things terminal is judged to be accessed to the second base station by using a second random access mode, the multifunctional Internet of things terminal continuously judges whether the configuration information comprises an index of a random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station;
if the configuration information comprises an index of a random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station, the multifunctional Internet of things terminal sends a random access preamble distributed by the second base station to the second base station;
transmitting, by the second base station, a random access response to the multifunctional internet of things terminal in response to receiving the random access preamble and in response to the received random access preamble being allocated to the multifunctional internet of things terminal by the second base station, wherein the random access response includes an uplink grant;
and responding to the received random access response, and sending the gas safety information to the second base station by the multifunctional Internet of things terminal by using the resource indicated by the uplink authorization.
5. The multifunctional remote internet of things monitoring method of claim 4, wherein the multifunctional remote internet of things monitoring method comprises the following steps:
if the configuration information does not include the index of the random access preamble sequence distributed to the multifunctional Internet of things terminal by the second base station, the multifunctional Internet of things terminal sends a randomly selected random access preamble to the second base station;
in response to receiving the random access preamble, sending, by a second base station, a random access response to the multifunctional internet of things terminal, wherein the random access response at least comprises an uplink grant;
in response to receiving the random access response, transmitting, by a multifunctional internet of things terminal, a scheduled message to the second base station by using the resource indicated by the uplink grant, wherein the scheduled message at least comprises a C-RNTI of the multifunctional internet of things terminal;
in response to receiving the scheduled message, transmitting, by a second base station, a contention resolution message to the multifunctional internet of things terminal, wherein the contention resolution message includes at least an uplink grant;
transmitting, by the multifunctional internet of things terminal, the gas safety information to the second base station in response to receiving the contention resolution message;
and responding to the received gas safety information, and sending the gas safety information to a cloud management platform by the second base station.
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Denomination of invention: A multifunctional remote Internet of things monitoring method Effective date of registration: 20211014 Granted publication date: 20201229 Pledgee: Bank of China Limited Chengdu Development Zone West sub branch Pledgor: SICHUAN NINEGATE TECHNOLOGY Co.,Ltd. Registration number: Y2021510000251 |