CN111182446A - Vehicle position management method and system based on complex environment - Google Patents
Vehicle position management method and system based on complex environment Download PDFInfo
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- CN111182446A CN111182446A CN201911405806.8A CN201911405806A CN111182446A CN 111182446 A CN111182446 A CN 111182446A CN 201911405806 A CN201911405806 A CN 201911405806A CN 111182446 A CN111182446 A CN 111182446A
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- mobile terminal
- base station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The invention discloses a vehicle position management method based on a complex environment, which comprises the following steps: acquiring vehicle position information; monitoring system information broadcasted by a base station; determining that the base station supports sidelink transmission in response to monitoring the indication of sidelink resources broadcast by the base station; when the mobile terminal has the vehicle position information needing to be transmitted, sending a random access request message to the base station; responding to the received random access request message, the base station distributes a cell radio network temporary identifier C-RNTI to the mobile terminal, and the base station sends a random access response message to the mobile terminal; in response to receiving the random access response message, transmitting scheduled information to the base station; and responding to the successful reception of the scheduled information, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises the C-RNTI allocated to the mobile terminal and the uplink authorization.
Description
Technical Field
The invention relates to the technical field of vehicle position management, in particular to a vehicle position management method and system based on a complex environment.
Background
Different from the traditional GPS vehicle management concept, the GPS vehicle intelligent management is based on the high-tech manufacturing on the basis of the traditional GPS vehicle management function, runs through the humanized idea in the design and highlights the intellectualization.
The prior art CN107895504B discloses an indoor parking lot parking space guidance system and a map reconstruction method thereof, which are characterized in that: the system comprises a parking space terminal corresponding to each parking space, at least three wireless APs, a server and a guide indication board, wherein the parking space terminal is used for detecting the occupation condition of the corresponding parking space on the one hand, and on the other hand, the parking space terminal is connected with the at least three wireless APs and realizes the coordinate position calibration of each parking space by utilizing a triangulation location method, the server completes the reconstruction of a parking space map according to the coordinate position information of each parking space, and controls the guide indication board to display corresponding guide and indication information according to the occupation condition of the parking space.
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 vehicle position management method and system based on a complex environment, which can overcome the defects of the prior art.
In order to achieve the above object, the present invention provides a vehicle position management method based on a complex environment, which is characterized in that: the vehicle position management method based on the complex environment comprises the following steps:
the method comprises the steps that a mobile terminal obtains vehicle position information, wherein the mobile terminal is in an RRC idle state currently;
monitoring system information broadcast by a base station by a mobile terminal, wherein the system information comprises an indication of a sidelink resource;
determining, by the mobile terminal, that the base station supports sidelink transmission in response to monitoring the indication of sidelink resources broadcast by the base station;
when the mobile terminal has the vehicle position information needing to be transmitted, the mobile terminal sends a random access request message to the base station;
responding to the received random access request message, allocating a cell radio network temporary identifier (C-RNTI) to the mobile terminal by the base station, and transmitting a random access response message to the mobile terminal by the base station, wherein the random access response message comprises the C-RNTI allocated to the mobile terminal;
responding to the received random access response message, and sending scheduled information to the base station by the mobile terminal, wherein the scheduled information comprises a C-RNTI (radio network temporary identifier) allocated to the mobile terminal and a side link transmission buffer status report;
and responding to the successful reception of the scheduled information, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises the C-RNTI allocated to the mobile terminal and the uplink authorization.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the random access success message, the mobile terminal judges the residual electric quantity of the mobile terminal;
if the residual electric quantity of the mobile terminal is larger than the electric quantity threshold value, the mobile terminal uses the uplink resource indicated in the uplink authorization to send the vehicle position information to the base station;
if the residual electric quantity of the mobile terminal is smaller than the electric quantity threshold value, the mobile terminal sends a scheduling request to the base station;
in response to receiving the scheduling request, the base station judges whether a side link transmission cache state report sent by the mobile terminal is received;
and in response to receiving the side link transmission buffer status report sent by the mobile terminal, sending a side link authorization to the mobile terminal by the base station.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the side link authorization, the mobile terminal sends a relay request message on the side link resource;
monitoring, by a relay mobile terminal, a relay request message transmitted on a sidelink resource, wherein the relay mobile terminal is configured to be able to monitor system information broadcast by a base station, and wherein the relay mobile terminal is in an RRC idle state;
in response to receiving the relay request message, transmitting, by the relay mobile terminal, a random access request message to the base station;
responding to the received random access request message, allocating a second C-RNTI to the relay mobile terminal by the base station, and sending a random access response message to the relay mobile terminal by the base station, wherein the random access response message comprises the second C-RNTI allocated to the relay mobile terminal;
responding to the received random access response message, and sending scheduled information to the base station by the relay mobile terminal, wherein the scheduled information comprises a second C-RNTI allocated to the relay mobile terminal and a side link transmission buffer status report;
and responding to the successful receiving of the scheduled information, and sending a random access success message to the relay mobile terminal by the base station, wherein the random access success message comprises the second C-RNTI allocated to the relay mobile terminal and an uplink authorization.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the random access success message, transmitting, by the relay mobile terminal, a query message to the base station using the uplink resource indicated in the uplink grant;
transmitting, by the base station, an authorization message to the relay mobile terminal in response to receiving the inquiry message;
in response to receiving the authorization message, sending, by the relay mobile terminal, a relay response message to the mobile terminal;
in response to receiving the relay response message, transmitting, by the mobile terminal, vehicle location information to the relay mobile terminal on the sidelink resource;
in response to receiving the vehicle location information, the vehicle location information is transmitted by the relay mobile terminal to the base station.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to the successful reception of the scheduled information, the base station judges whether a side link transmission cache state report sent by the mobile terminal is received;
responding to a received side link transmission cache state report sent by the mobile terminal, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises a C-RNTI (radio network temporary identifier) allocated to the mobile terminal and a side link authorization;
and responding to the received random access success message, and sending a relay request message on the side link resource by the mobile terminal.
The invention provides a vehicle position management system based on a complex environment, which is characterized in that: the vehicle position management system based on the complex environment comprises:
the method comprises the steps of obtaining vehicle position information by a mobile terminal, wherein the mobile terminal is in an RRC idle state currently;
means for monitoring, by a mobile terminal, system information broadcast by a base station, wherein the system information includes an indication of sidelink resources;
means for determining, by the mobile terminal, that the base station supports sidelink transmission in response to monitoring the indication of sidelink resources broadcast by the base station;
means for transmitting, by the mobile terminal, a random access request message to the base station when the mobile terminal has vehicle location information that needs to be transmitted;
a unit for responding to the received random access request message, allocating a cell radio network temporary identifier (C-RNTI) to the mobile terminal by the base station, and sending a random access response message to the mobile terminal by the base station, wherein the random access response message comprises the C-RNTI allocated to the mobile terminal;
means for transmitting, by the mobile terminal to the base station, scheduled information in response to receiving the random access response message, wherein the scheduled information includes a C-RNTI assigned to the mobile terminal and a side link transmission buffer status report;
means for transmitting, by the base station to the mobile terminal, a random access success message in response to successfully receiving the scheduled information, wherein the random access success message includes the C-RNTI assigned to the mobile terminal and an uplink grant.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for determining, by the mobile terminal, a remaining power amount of the mobile terminal in response to receiving the random access success message;
means for transmitting, by the mobile terminal, vehicle location information to the base station using uplink resources indicated in the uplink grant if the remaining power of the mobile terminal is greater than the power threshold;
a unit for sending a scheduling request to the base station by the mobile terminal if the remaining power of the mobile terminal is less than the power threshold value;
a unit for responding to the received scheduling request, and judging whether a side link transmission cache state report sent by the mobile terminal is received or not by the base station;
means for transmitting, by the base station, a sidelink grant to the mobile terminal in response to receiving the sidelink transmission buffer status report sent by the mobile terminal.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for transmitting, by the mobile terminal, a relay request message on the sidelink resource in response to receiving the sidelink grant;
means for monitoring, by a relay mobile terminal, a relay request message transmitted on a sidelink resource, wherein the relay mobile terminal is configured to be able to monitor system information broadcast by a base station and wherein the relay mobile terminal is in an RRC idle state;
means for transmitting, by the relay mobile terminal, a random access request message to the base station in response to receiving the relay request message;
a unit for allocating, by the base station, a second C-RNTI to the relay mobile terminal in response to receiving the random access request message, and transmitting, by the base station, a random access response message to the relay mobile terminal, wherein the random access response message includes the second C-RNTI allocated to the relay mobile terminal;
means for transmitting, by the relay mobile terminal to the base station, scheduled information in response to receiving the random access response message, wherein the scheduled information includes a second C-RNTI assigned to the relay mobile terminal and a sidelink transmission buffer status report;
means for transmitting, by the base station to the relay mobile terminal, a random access success message in response to successfully receiving the scheduled information, wherein the random access success message includes the second C-RNTI assigned to the relay mobile terminal and an uplink grant.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for transmitting, by the relay mobile terminal, a query message to the base station using the uplink resource indicated in the uplink grant in response to receiving the random access success message;
means for transmitting, by the base station, an authorization message to the relay mobile terminal in response to receiving the inquiry message;
means for transmitting, by the relay mobile terminal, a relay response message to the mobile terminal in response to receiving the authorization message;
means for transmitting, by the mobile terminal, vehicle location information to the relay mobile terminal on the sidelink resource in response to receiving the relay response message;
means for transmitting, by the relay mobile terminal, the vehicle location information to the base station in response to receiving the vehicle location information.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for determining, by the base station, whether a sidelink transmission buffer status report sent by the mobile terminal is received in response to successfully receiving the scheduled information;
a unit for responding to a received side link transmission buffer status report sent by the mobile terminal, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises a C-RNTI allocated to the mobile terminal and a side link authorization;
means for transmitting, by the mobile terminal, a relay request message on the sidelink resource in response to receiving the random access success message.
Compared with the prior art, the invention has the following advantages: the intelligent vehicle management can realize the personalized vehicle management such as unattended operation, self-service payment of a robot, cloud talkback abnormal condition processing of a central duty room, temporary vehicle in-and-out charging management, parking pool vehicle management and the like. At present, an intelligent vehicle management system based on image recognition is applied to a plurality of parking lots, however, the current intelligent management system is only an intelligent system in a primary form, and the management system based on only license plate recognition has a plurality of defects: for example, if the number plate is obscured by snowy weather or passing through a muddy road section, the current management system cannot identify the number plate; furthermore, current identification systems require that the driver must stop the vehicle at a distance from the camera, either too far or too close, which also makes it more convenient for many drivers to feel that such systems are not attended manually on the contrary; in addition, some old-fashioned lifting rod system induction algorithm falls behind, so that the problem that vehicles or pedestrians are injured when the lifting rod falls frequently occurs, and disputes are caused. In order to prevent this, a system based entirely on wireless transmission is needed, so that vehicle identification can be performed by vehicle ID and vehicle entrance and exit can be performed by determining vehicle position, so that vehicle identification is not affected no matter whether the number plate is blocked or the vehicle parking position is not appropriate, and if the system of the present application is used, the ubiquitous "rod lifting" system of the vehicle yard can be directly cancelled.
Drawings
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.
FIG. 2 is a flow diagram of a method according to an embodiment of the 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 diagram of a system architecture according to an embodiment of the present invention. As shown in the figure, the mobile terminal of the present invention can communicate with the base station, and can communicate with the relay mobile terminal via a sidelink.
FIG. 2 is a flow diagram of a method according to an embodiment of the invention. As shown in the figure, the method of the present invention comprises the steps of:
step 101: the method comprises the steps that a mobile terminal obtains vehicle position information, wherein the mobile terminal is in an RRC idle state currently;
step 102: monitoring system information broadcast by a base station by a mobile terminal, wherein the system information comprises an indication of a sidelink resource;
step 103: determining, by the mobile terminal, that the base station supports sidelink transmission in response to monitoring the indication of sidelink resources broadcast by the base station;
step 104: when the mobile terminal has the vehicle position information needing to be transmitted, the mobile terminal sends a random access request message to the base station;
step 105: responding to the received random access request message, allocating a cell radio network temporary identifier (C-RNTI) to the mobile terminal by the base station, and transmitting a random access response message to the mobile terminal by the base station, wherein the random access response message comprises the C-RNTI allocated to the mobile terminal;
step 106: responding to the received random access response message, and sending scheduled information to the base station by the mobile terminal, wherein the scheduled information comprises a C-RNTI (radio network temporary identifier) allocated to the mobile terminal and a side link transmission buffer status report;
step 107: and responding to the successful reception of the scheduled information, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises the C-RNTI allocated to the mobile terminal and the uplink authorization.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the random access success message, the mobile terminal judges the residual electric quantity of the mobile terminal;
if the residual electric quantity of the mobile terminal is larger than the electric quantity threshold value, the mobile terminal uses the uplink resource indicated in the uplink authorization to send the vehicle position information to the base station;
if the residual electric quantity of the mobile terminal is smaller than the electric quantity threshold value, the mobile terminal sends a scheduling request to the base station;
in response to receiving the scheduling request, the base station judges whether a side link transmission cache state report sent by the mobile terminal is received;
and in response to receiving the side link transmission buffer status report sent by the mobile terminal, sending a side link authorization to the mobile terminal by the base station.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the side link authorization, the mobile terminal sends a relay request message on the side link resource;
monitoring, by a relay mobile terminal, a relay request message transmitted on a sidelink resource, wherein the relay mobile terminal is configured to be able to monitor system information broadcast by a base station, and wherein the relay mobile terminal is in an RRC idle state;
in response to receiving the relay request message, transmitting, by the relay mobile terminal, a random access request message to the base station;
responding to the received random access request message, allocating a second C-RNTI to the relay mobile terminal by the base station, and sending a random access response message to the relay mobile terminal by the base station, wherein the random access response message comprises the second C-RNTI allocated to the relay mobile terminal;
responding to the received random access response message, and sending scheduled information to the base station by the relay mobile terminal, wherein the scheduled information comprises a second C-RNTI allocated to the relay mobile terminal and a side link transmission buffer status report;
and responding to the successful receiving of the scheduled information, and sending a random access success message to the relay mobile terminal by the base station, wherein the random access success message comprises the second C-RNTI allocated to the relay mobile terminal and an uplink authorization.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the random access success message, transmitting, by the relay mobile terminal, a query message to the base station using the uplink resource indicated in the uplink grant;
transmitting, by the base station, an authorization message to the relay mobile terminal in response to receiving the inquiry message;
in response to receiving the authorization message, sending, by the relay mobile terminal, a relay response message to the mobile terminal;
in response to receiving the relay response message, transmitting, by the mobile terminal, vehicle location information to the relay mobile terminal on the sidelink resource;
in response to receiving the vehicle location information, the vehicle location information is transmitted by the relay mobile terminal to the base station.
In a preferred embodiment, the vehicle position management method based on the complex environment comprises the following steps:
in response to the successful reception of the scheduled information, the base station judges whether a side link transmission cache state report sent by the mobile terminal is received;
responding to a received side link transmission cache state report sent by the mobile terminal, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises a C-RNTI (radio network temporary identifier) allocated to the mobile terminal and a side link authorization;
and responding to the received random access success message, and sending a relay request message on the side link resource by the mobile terminal.
The invention provides a vehicle position management system based on a complex environment, which is characterized in that: the vehicle position management system based on the complex environment comprises:
the method comprises the steps of obtaining vehicle position information by a mobile terminal, wherein the mobile terminal is in an RRC idle state currently;
means for monitoring, by a mobile terminal, system information broadcast by a base station, wherein the system information includes an indication of sidelink resources;
means for determining, by the mobile terminal, that the base station supports sidelink transmission in response to monitoring the indication of sidelink resources broadcast by the base station;
means for transmitting, by the mobile terminal, a random access request message to the base station when the mobile terminal has vehicle location information that needs to be transmitted;
a unit for responding to the received random access request message, allocating a cell radio network temporary identifier (C-RNTI) to the mobile terminal by the base station, and sending a random access response message to the mobile terminal by the base station, wherein the random access response message comprises the C-RNTI allocated to the mobile terminal;
means for transmitting, by the mobile terminal to the base station, scheduled information in response to receiving the random access response message, wherein the scheduled information includes a C-RNTI assigned to the mobile terminal and a side link transmission buffer status report;
means for transmitting, by the base station to the mobile terminal, a random access success message in response to successfully receiving the scheduled information, wherein the random access success message includes the C-RNTI assigned to the mobile terminal and an uplink grant.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for determining, by the mobile terminal, a remaining power amount of the mobile terminal in response to receiving the random access success message;
means for transmitting, by the mobile terminal, vehicle location information to the base station using uplink resources indicated in the uplink grant if the remaining power of the mobile terminal is greater than the power threshold;
a unit for sending a scheduling request to the base station by the mobile terminal if the remaining power of the mobile terminal is less than the power threshold value;
a unit for responding to the received scheduling request, and judging whether a side link transmission cache state report sent by the mobile terminal is received or not by the base station;
means for transmitting, by the base station, a sidelink grant to the mobile terminal in response to receiving the sidelink transmission buffer status report sent by the mobile terminal.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for transmitting, by the mobile terminal, a relay request message on the sidelink resource in response to receiving the sidelink grant;
means for monitoring, by a relay mobile terminal, a relay request message transmitted on a sidelink resource, wherein the relay mobile terminal is configured to be able to monitor system information broadcast by a base station and wherein the relay mobile terminal is in an RRC idle state;
means for transmitting, by the relay mobile terminal, a random access request message to the base station in response to receiving the relay request message;
a unit for allocating, by the base station, a second C-RNTI to the relay mobile terminal in response to receiving the random access request message, and transmitting, by the base station, a random access response message to the relay mobile terminal, wherein the random access response message includes the second C-RNTI allocated to the relay mobile terminal;
means for transmitting, by the relay mobile terminal to the base station, scheduled information in response to receiving the random access response message, wherein the scheduled information includes a second C-RNTI assigned to the relay mobile terminal and a sidelink transmission buffer status report;
means for transmitting, by the base station to the relay mobile terminal, a random access success message in response to successfully receiving the scheduled information, wherein the random access success message includes the second C-RNTI assigned to the relay mobile terminal and an uplink grant.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for transmitting, by the relay mobile terminal, a query message to the base station using the uplink resource indicated in the uplink grant in response to receiving the random access success message;
means for transmitting, by the base station, an authorization message to the relay mobile terminal in response to receiving the inquiry message;
means for transmitting, by the relay mobile terminal, a relay response message to the mobile terminal in response to receiving the authorization message;
means for transmitting, by the mobile terminal, vehicle location information to the relay mobile terminal on the sidelink resource in response to receiving the relay response message;
means for transmitting, by the relay mobile terminal, the vehicle location information to the base station in response to receiving the vehicle location information.
In a preferred embodiment, the vehicle location management system based on complex environment includes:
means for determining, by the base station, whether a sidelink transmission buffer status report sent by the mobile terminal is received in response to successfully receiving the scheduled information;
a unit for responding to a received side link transmission buffer status report sent by the mobile terminal, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises a C-RNTI allocated to the mobile terminal and a side link authorization;
means for transmitting, by the mobile terminal, a relay request message on the sidelink resource in response to receiving the random access success message.
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), and 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 (10)
1. A vehicle position management method based on a complex environment is characterized by comprising the following steps: the vehicle position management method based on the complex environment comprises the following steps:
acquiring vehicle position information by a mobile terminal, wherein the mobile terminal is in an RRC idle state currently;
monitoring system information broadcast by a base station by a mobile terminal, wherein the system information comprises an indication of a sidelink resource;
determining, by a mobile terminal, that a base station supports sidelink transmission in response to monitoring an indication of sidelink resources broadcast by the base station;
when the mobile terminal has the vehicle position information needing to be transmitted, the mobile terminal sends a random access request message to the base station;
responding to the received random access request message, allocating a cell radio network temporary identifier (C-RNTI) to the mobile terminal by the base station, and transmitting a random access response message to the mobile terminal by the base station, wherein the random access response message comprises the C-RNTI allocated to the mobile terminal;
responding to the received random access response message, and sending scheduled information to the base station by the mobile terminal, wherein the scheduled information comprises a C-RNTI (radio network temporary identifier) allocated to the mobile terminal and a side link transmission buffer status report;
and responding to the successful receiving of the scheduled information, and sending a random access success message to the mobile terminal by the base station, wherein the random access success message comprises the C-RNTI allocated to the mobile terminal and an uplink authorization.
2. The method for managing the position of a vehicle based on a complex environment according to claim 1, wherein: the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the random access success message, judging the residual electric quantity of the mobile terminal by the mobile terminal;
if the residual capacity of the mobile terminal is larger than the capacity threshold value, the mobile terminal uses the uplink resource indicated in the uplink authorization to send the vehicle position information to the base station;
if the residual electric quantity of the mobile terminal is smaller than the electric quantity threshold value, the mobile terminal sends a scheduling request to the base station;
in response to receiving the scheduling request, the base station judges whether a side link transmission cache state report sent by the mobile terminal is received;
and responding to the received side link transmission buffer status report sent by the mobile terminal, and sending side link authorization to the mobile terminal by the base station.
3. The complex environment based vehicle position management method according to claim 2, characterized in that: the vehicle position management method based on the complex environment comprises the following steps:
in response to receiving the sidelink authorization, transmitting, by the mobile terminal, a relay request message on a sidelink resource;
monitoring, by a relay mobile terminal, a relay request message transmitted on the sidelink resource, wherein the relay mobile terminal is configured to be able to monitor system information broadcast by a base station, and wherein the relay mobile terminal is in an RRC idle state;
transmitting, by a relay mobile terminal, a random access request message to the base station in response to receiving the relay request message;
responding to the received random access request message, allocating a second C-RNTI to the relay mobile terminal by the base station, and sending a random access response message to the relay mobile terminal by the base station, wherein the random access response message comprises the second C-RNTI allocated to the relay mobile terminal;
responding to the received random access response message, and sending scheduled information to the base station by the relay mobile terminal, wherein the scheduled information comprises a second C-RNTI allocated to the relay mobile terminal and a side link transmission buffer status report;
and responding to the successful receiving of the scheduled information, and sending a random access success message to the relay mobile terminal by the base station, wherein the random access success message comprises a second C-RNTI allocated to the relay mobile terminal and an uplink authorization.
4. The complex environment based vehicle position management method according to claim 3, characterized in that: the vehicle position management method based on the complex environment comprises the following steps:
transmitting, by the relay mobile terminal, a query message to the base station using the uplink resource indicated in the uplink grant in response to receiving the random access success message;
transmitting, by the base station, an authorization message to the relay mobile terminal in response to receiving the inquiry message;
transmitting, by the relay mobile terminal, a relay response message to the mobile terminal in response to receiving the authorization message;
transmitting, by a mobile terminal, the vehicle location information to the relay mobile terminal on the sidelink resource in response to receiving the relay response message;
transmitting, by the relay mobile terminal, the vehicle position information to the base station in response to receiving the vehicle position information.
5. The complex environment based vehicle position management method according to claim 4, characterized in that: the vehicle position management method based on the complex environment comprises the following steps:
in response to the successful reception of the scheduled information, the base station judges whether a side link transmission cache state report sent by the mobile terminal is received;
responding to a received side link transmission cache state report sent by the mobile terminal, and sending a random access success message to the mobile terminal by a base station, wherein the random access success message comprises a C-RNTI (radio network temporary identifier) allocated to the mobile terminal and a side link authorization;
and responding to the received random access success message, and sending a relay request message on the side link resource by the mobile terminal.
6. A vehicle position management system based on a complex environment is characterized in that: the vehicle position management system based on the complex environment comprises:
means for obtaining vehicle location information by a mobile terminal, wherein the mobile terminal is currently in an RRC idle state;
means for monitoring, by a mobile terminal, system information broadcast by a base station, wherein the system information comprises an indication of sidelink resources;
means for determining, by a mobile terminal, that a base station supports sidelink transmission in response to monitoring an indication of sidelink resources broadcast by the base station;
means for transmitting, by the mobile terminal, a random access request message to the base station when the mobile terminal has vehicle location information that needs to be transmitted;
a unit for responding to the received random access request message, allocating a cell radio network temporary identifier (C-RNTI) to the mobile terminal by a base station, and sending a random access response message to the mobile terminal by the base station, wherein the random access response message comprises the C-RNTI allocated to the mobile terminal;
means for transmitting, by a mobile terminal to the base station, scheduled information in response to receiving the random access response message, wherein the scheduled information includes a C-RNTI assigned to the mobile terminal and a sidelink transmission buffer status report;
means for transmitting, by a base station, a random access success message to the mobile terminal in response to successfully receiving the scheduled information, wherein the random access success message includes a C-RNTI assigned to the mobile terminal and an uplink grant.
7. The complex environment based vehicle location management system according to claim 6, wherein: the vehicle position management system based on the complex environment comprises:
means for determining, by the mobile terminal, a remaining power amount of the mobile terminal in response to receiving the random access success message;
means for transmitting, by the mobile terminal, the vehicle location information to the base station using uplink resources indicated in the uplink grant if the remaining power of the mobile terminal is greater than a power threshold;
a unit for sending a scheduling request to the base station by the mobile terminal if the remaining power of the mobile terminal is less than a power threshold value;
means for determining, by a base station, whether a sidelink transmission buffer status report sent by the mobile terminal is received in response to receiving the scheduling request;
means for transmitting, by a base station, a sidelink grant to the mobile terminal in response to receiving a sidelink transmission buffer status report sent by the mobile terminal.
8. The complex environment based vehicle location management system of claim 7, wherein: the vehicle position management system based on the complex environment comprises:
means for transmitting, by the mobile terminal, a relay request message on a sidelink resource in response to receiving the sidelink grant;
means for monitoring, by a relay mobile terminal, a relay request message transmitted on the sidelink resource, wherein the relay mobile terminal is configured to be able to monitor system information broadcast by a base station and wherein the relay mobile terminal is in an RRC idle state;
means for transmitting, by a relay mobile terminal, a random access request message to the base station in response to receiving the relay request message;
means for allocating, by the base station, a second C-RNTI to the relay mobile terminal in response to receiving the random access request message, and transmitting, by the base station, a random access response message to the relay mobile terminal, wherein the random access response message includes the second C-RNTI allocated to the relay mobile terminal;
means for transmitting, by a relay mobile terminal to the base station, scheduled information in response to receiving the random access response message, wherein the scheduled information includes a second C-RNTI assigned to the relay mobile terminal and a sidelink transmission buffer status report;
means for transmitting, by a base station to the relay mobile terminal, a random access success message in response to successfully receiving the scheduled information, wherein the random access success message includes a second C-RNTI assigned to the relay mobile terminal and an uplink grant.
9. The complex environment based vehicle location management system of claim 8, wherein: the vehicle position management system based on the complex environment comprises:
means for transmitting, by a relay mobile terminal, a query message to the base station using uplink resources indicated in the uplink grant in response to receiving the random access success message;
means for transmitting, by a base station, an authorization message to the relaying mobile terminal in response to receiving the inquiry message;
means for transmitting, by a relay mobile terminal, a relay response message to the mobile terminal in response to receiving the authorization message;
means for transmitting, by a mobile terminal, the vehicle location information to the relay mobile terminal on the sidelink resource in response to receiving the relay response message;
means for transmitting, by a relay mobile terminal, the vehicle location information to the base station in response to receiving the vehicle location information.
10. The complex environment based vehicle location management system of claim 9, wherein: the vehicle position management system based on the complex environment comprises:
means for determining, by the base station, whether a sidelink transmission buffer status report sent by the mobile terminal is received in response to successfully receiving the scheduled information;
a unit, configured to send, by a base station, a random access success message to a mobile terminal in response to receiving a side link transmission buffer status report sent by the mobile terminal, where the random access success message includes a C-RNTI and a side link grant allocated to the mobile terminal;
means for transmitting, by the mobile terminal, a relay request message on a sidelink resource in response to receiving the random access success message.
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Application publication date: 20200519 |