CN111417086A - Resource management method and base station - Google Patents

Resource management method and base station Download PDF

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Publication number
CN111417086A
CN111417086A CN201910010590.9A CN201910010590A CN111417086A CN 111417086 A CN111417086 A CN 111417086A CN 201910010590 A CN201910010590 A CN 201910010590A CN 111417086 A CN111417086 A CN 111417086A
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China
Prior art keywords
base station
target user
resource
resource information
users
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CN201910010590.9A
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Chinese (zh)
Inventor
黄庆
王东
李娜
刘磊
高有军
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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Priority to CN201910010590.9A priority Critical patent/CN111417086A/en
Publication of CN111417086A publication Critical patent/CN111417086A/en
Pending legal-status Critical Current

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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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/27—Control channels or signalling for resource management between access points

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a resource management method and a base station, and relates to the technical field of communication. The resource management method comprises the following steps: sending resource information of the side link resource of the first target user to a second base station; wherein the side link resource of the first target user is allocated to the first base station. According to the embodiment of the invention, the resource information of the side link resource of the first target user allocated by the first base station is sent to the second base station, so that the first base station and the second base station perform resource management according to the resource information of the side link resource of the first target user, the conflict of the side link resource allocation is avoided, and the reliability and the effectiveness of the communication of the Internet of vehicles are ensured.

Description

Resource management method and base station
Technical Field
The invention relates to the technical field of wireless, in particular to a resource management method and a base station.
Background
The Term "handover procedure" refers to a situation where a handover procedure of a mobile terminal is performed by a base station, a handover procedure of a mobile terminal is performed by a mobile terminal, a handover procedure of a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a mobile terminal, a.
Therefore, a resource management method and a base station are needed to avoid the conflict of side link resource allocation during the handover process, and ensure the reliability and effectiveness of the communication of the internet of vehicles.
Disclosure of Invention
The embodiment of the invention provides a resource management method and a base station, which are used for solving the problem that information transmission fails due to resource conflict, so that the safety of Internet of vehicles services is influenced.
In order to solve the above technical problem, an embodiment of the present invention provides a resource management method applied to a first base station in a vehicle-to-X network, including:
sending resource information of the side link resource of the first target user to a second base station;
wherein the side link resource of the first target user is allocated to the first base station.
Preferably, the step of sending the resource information of the side link resource of the first target user to the second base station includes:
and sending a switching request message for switching the first target user to the second base station, wherein the switching request message comprises the resource information.
Preferably, the step of sending the resource information of the side link resource of the first target user to the second base station includes:
receiving a switching request message sent by a second base station and used for switching a second target user to the first base station;
and sending a switching confirmation message to the second base station, wherein the switching confirmation message comprises the resource information, and the first target users are all users in the first base station.
Preferably, the step of sending the resource information of the side link resource of the first target user to the second base station includes:
sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station.
Preferably, the method further comprises:
receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station.
Preferably, the first base station and the second base station belong to the same network node MME, and in the step of sending the resource information of the edge link resource of the first target user to the second base station, the resource information is sent to the second base station through an X2 interface.
Preferably, the first base station and the second base station belong to different network nodes MME, and in the step of sending the resource information of the edge link resource of the first target user to the second base station, the resource information is sent to the second base station through an S1 interface.
The embodiment of the invention also provides a resource management method, which is applied to a second base station in the vehicle-to-X network and comprises the following steps:
receiving resource information of side link resources of a first target user, which is sent by a first base station;
wherein the edge link resource of the first target user is allocated to the first base station.
Preferably, the step of receiving resource information of the side link resource of the first target user sent by the first base station includes:
receiving a handover request message sent by the first base station for the first target user to handover to the second base station, wherein the handover request message includes the resource information.
Preferably, the step of receiving resource information of the side link resource of the first target user sent by the first base station includes:
sending a switching request message for switching a second target user to the first base station;
and receiving a handover confirmation message sent by the first base station, wherein the handover confirmation message includes the resource information, and the first target user is all users in the first base station.
Preferably, the step of receiving resource information of the side link resource of the first target user sent by the first base station includes:
receiving resource information of the side link resource of the first target user, which is sent by the first base station, every preset time interval; wherein the first target users are all users in the first base station.
Preferably, the method further comprises:
sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station.
Preferably, the first base station and the second base station belong to the same network node MME, and in the step of receiving the resource information of the edge link resource of the first target user, which is sent by the first base station, the resource information sent by the first base station is received through an X2 interface.
Preferably, the first base station and the second base station belong to different network nodes MME, and in the step of receiving the resource information of the edge link resource of the first target user sent by the first base station, the resource information sent by the first base station is received through an S1 interface.
The embodiment of the invention also provides a base station, which is a first base station in the vehicle-to-X network and comprises a processor and a transceiver, wherein the transceiver is used for:
sending resource information of the side link resource of the first target user to a second base station;
wherein the side link resource of the first target user is allocated to the first base station.
Preferably, the transceiver is specifically configured to:
and sending a switching request message for switching the first target user to the second base station, wherein the switching request message comprises the resource information.
Preferably, the transceiver is specifically configured to:
receiving a switching request message sent by a second base station and used for switching a second target user to the first base station;
and sending a switching confirmation message to the second base station, wherein the switching confirmation message comprises the resource information, and the first target users are all users in the first base station.
Preferably, the processor is configured to:
sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station.
Preferably, the processor is further configured to:
receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station.
Preferably, the first base station and the second base station belong to the same network node MME, and the transceiver is configured to send the resource information to the second base station through an X2 interface.
Preferably, the first base station and the second base station belong to different network nodes MME, and the transceiver is configured to send the resource information to the second base station through an S1 interface.
The embodiment of the invention also provides a base station, which is a second base station in the vehicle-to-X network and comprises a processor and a transceiver, wherein the transceiver is used for:
receiving resource information of side link resources of a first target user, which is sent by a first base station;
wherein the edge link resource of the first target user is allocated to the first base station.
Preferably, the transceiver is configured to:
receiving a handover request message sent by the first base station for the first target user to handover to the second base station, wherein the handover request message includes the resource information.
Preferably, the transceiver is configured to:
sending a switching request message for switching a second target user to the first base station;
and receiving a handover confirmation message sent by the first base station, wherein the handover confirmation message includes the resource information, and the first target user is all users in the first base station.
Preferably, the processor is configured to:
receiving resource information of the side link resource of the first target user, which is sent by the first base station, every preset time interval; wherein the first target users are all users in the first base station.
Preferably, the processor is further configured to:
sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station.
Preferably, the first base station and the second base station belong to the same network node MME, and the transceiver is configured to receive the resource information sent by the first base station through an X2 interface.
Preferably, the first base station and the second base station belong to different network nodes MME, and the transceiver is configured to receive the resource information sent by the first base station through an S1 interface.
The embodiment of the present invention further provides a base station, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the program, the resource management method is implemented.
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the resource management method described above.
Compared with the prior art, the resource management method and the base station provided by the embodiment of the invention at least have the following beneficial effects:
the resource information of the side link resources of the first target user distributed by the first base station can be sent to the second base station by sending the resource information of the side link resources of the first target user to the second base station, so that the first base station and the second base station carry out resource management according to the resource information of the side link resources of the first target user, the conflict of the side link resource distribution is avoided, and the reliability and the effectiveness of the vehicle networking communication are ensured.
Drawings
FIG. 1 is a flowchart of a resource management method according to an embodiment of the present invention;
FIG. 2 is another flowchart of a resource management method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 4 is another schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 5 is another schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 6 is another schematic structural diagram of a base station according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In addition, the terms "system" and "network" are often used interchangeably herein.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
As shown in fig. 1, an embodiment of the present invention provides a resource management method, which is applied to a first base station in a vehicle-to-X network, and specifically includes the following steps:
step S11, sending resource information of the side link resource of the first target user to the second base station; wherein the side link resource of the first target user is allocated to the first base station.
In the above embodiments of the present invention, when the vehicle is moving or for other reasons, a handover between cells occurs, the handover may occur in 3 scenarios: between two different cells within the same base station, between two cells of the same MME but different base stations and between two cells of different base stations of different MMEs. The handover can be divided into 3 phases, the first phase being a handover preparation phase, the second phase being a handover execution phase, and the third phase being a handover completion phase. The switching commands sent and/or received under the three scenes are the same, and the information content carried by the sent and/or received information is also consistent.
The first base station may serve as a source base station, and send resource information of side link resources of a first target user to the second base station; the first base station may also be used as a target base station, and send resource information of the side link resource of the first target user to the second base station. The first base station is used as a source base station or a target base station to send/receive the resource information of the side link resource of the first target user distributed by the first base station to the second base station, so that the first base station and the second base station carry out resource management according to the resource information of the side link resource of the first target user, the conflict of the side link resource distribution is avoided, and the reliability and the effectiveness of the vehicle networking communication are ensured.
The step S11 may specifically include:
and sending a switching request message for switching the first target user to the second base station, wherein the switching request message comprises the resource information.
The first base station may be a source base station, the second base station is a target base station, the first target user may be a first target vehicle in the first base station, and when the first target vehicle is to be handed over from the first base station to the second base station, the first base station sends a Handover Request message to the second base station, where the Handover Request message may be a Handover Request signaling, and the Handover Request signaling includes: a target cell identification number ID, a handover reason, a network node MME identification and/or the security capability of user equipment UE, and adding resource information in the handover request signaling, wherein the resource information is the resource information of the side link resource of the first target user allocated by the first base station. After the second base station receives the resource information, the second base station reserves the side link resource required by the first target user, and the reservation mode may be: if other users in the second base station occupy the side link resources required by the first target user, the second base station reallocates resources to all users in the second base station, and reserves the side link resources required by the first target user; if the side link resource needed by the first target user in the second base station is not occupied, the side link resource is directly reserved for the first target user to use when the first target user is switched to the second base station.
Determining that the first target vehicle is to be handed over from the first base station to the second base station on a condition that: when the signal intensity of a first base station where the first target vehicle is received is smaller than a preset threshold value, the first target vehicle sends information that the signal intensity of the first base station where the first target vehicle is received is smaller than the preset threshold value to the first base station, and the first base station judges that the first target vehicle is about to be subjected to inter-cell switching. The cell is a main positioning technology For acquiring location information by a GSM (Global System For Mobile Communications) network to realize location services, and determines the location of a user by collecting the cell identification number of a Mobile station. As long as the system can acquire the geographical position of the base station of the cell in which the mobile station is located on the map and the coverage radius of the cell, the system knows which cell the mobile station is located in when the mobile station is registered in the cell.
The step S11 may further include:
receiving a switching request message sent by a second base station and used for switching a second target user to the first base station; and sending a switching confirmation message to the second base station, wherein the switching confirmation message comprises the resource information, and the first target users are all users in the first base station.
The first base station may be a target base station, the second base station is a source base station, and at this time, the first target user may be all users in the first base station, that is, all vehicles in the first base station; the second target user may be a second target vehicle in the second base station, when the second target vehicle is to be handed over from the second base station to the first base station, the second base station sends a handover request message to the first base station, and the first base station receives the handover request message sent by the second base station and used for handing over the second target user to the first base station; the Handover Request message may be a Handover Request signaling Handover Request, where the Handover Request signaling includes: a target cell identification number ID, a handover reason, a network node MME identity and/or a security capability of a user equipment UE, and added resource information, where the resource information is resource information of a side link resource of the second target user allocated by the second base station. If the first base station allows the second target user to access, sending a Handover confirmation message to the second base station, where the Handover confirmation message may be a Handover Request confirmation signaling Handover Request ACK; and if the first base station does not allow the second target user to access, sending information of not allowing the access to the second base station. The handover request acknowledgement signaling includes: message type, etc. After the second base station receives the handover confirmation message, the second base station judges whether the side link resource required by the second target user is occupied in the first base station according to the resource information in the handover confirmation message, and if the side link resource required by the second target user is occupied, the second base station can reallocate the side link resource to the second target user according to the unoccupied side link resource in the first base station, so that the phenomenon of resource conflict cannot occur when the second target user is handed over to the first base station.
Determining that the second target vehicle is to be handed over from the second base station to the first base station on a condition that: and when the signal intensity of a second base station where the second target vehicle is received is smaller than a preset threshold value, the second target vehicle sends information that the signal intensity of the second base station where the second target vehicle is received is smaller than the preset threshold value to the second base station, and the second base station judges that the second target vehicle is about to be subjected to cell switching.
The step S11 may further include:
sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station.
The first base station and the second base station may perform periodic communication through a communication interface X2 interface or an S1 interface, and the first base station periodically sends resource information of the side link resource of the first target user to the second base station, so that the second base station allocates resources to users within its coverage area according to the resource information, and may also effectively avoid edge users from occupying resources already occupied by the first base station in advance, and reduce risk of resource collision occurring in a user handover process. The preset time is the time of the resource information of the side link resource of the first target user periodically sent to the second base station.
In a specific embodiment of the present invention, the method may further include:
receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station.
The first base station and the second base station may perform periodic communication through a communication interface X2 interface or an S1 interface, and the first base station periodically receives resource information of a side link resource of a third target user sent by the second base station, so that the first base station allocates resources to users within its coverage area according to the resource information, and may also effectively avoid edge users from occupying resources already occupied by the second base station in advance, and reduce risk of resource collision occurring in a user handover process. The preset time is the time for periodically receiving the resource information of the side link resource of the third target user, which is sent by the second base station.
Sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station; receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station. The first base station and the second base station periodically receive or send the resource information, so that the first base station and the second base station can reallocate the side link resources according to the received resource information respectively, and resource conflict is avoided. The preset time is the time for the first base station to perform information interaction with the second base station.
In a specific embodiment of the present invention, the first base station and the second base station belong to the same network node MME, and in the step of sending the resource information of the edge link resource of the first target user to the second base station, the resource information is sent to the second base station through an X2 interface.
Wherein, during the periodic information interaction, the first base station and the second base station may perform information interaction through an X2 interface or an S1 interface. And the first base station and the second base station send or receive messages through an X2 interface.
In a specific embodiment of the present invention, the first base station and the second base station belong to different network nodes MME, and in the step of sending the resource information of the edge link resource of the first target user to the second base station, the resource information is sent to the second base station through an S1 interface.
Wherein, during the periodic information interaction, the first base station and the second base station may perform information interaction through an X2 interface or an S1 interface. The first base station and the second base station send or receive messages through an S1 interface.
As shown in fig. 2, an embodiment of the present invention further provides a resource management method, which is applied to a second base station in a vehicle-to-X network, and specifically includes the following steps:
step S21, receiving resource information of the side link resource of the first target user sent by the first base station; wherein the edge link resource of the first target user is allocated to the first base station.
In the above embodiments of the present invention, when the vehicle is moving or for other reasons, a handover between cells occurs, the handover may occur in 3 scenarios: between two different cells within the same base station, between two cells of the same MME but different base stations and between two cells of different base stations of different MMEs. The handover can be divided into 3 phases, the first phase being a handover preparation phase, the second phase being a handover execution phase, and the third phase being a handover completion phase. The switching commands sent and/or received under the three scenes are the same, and the information content carried by the sent and/or received information is also consistent.
The second base station can be used as a target base station and receives resource information of side link resources of a first target user, which is sent by the first base station; the second base station may also serve as a source base station, and send resource information of the side link resource of the first target user to the first base station. And the second base station is used as a source base station or a target base station to send/receive the resource information of the side link resource of the first target user distributed by the first base station to the first base station, so that the first base station and the second base station carry out resource management according to the resource information of the side link resource of the first target user, the conflict of the side link resource distribution is avoided, and the reliability and the effectiveness of the vehicle networking communication are ensured.
The step S21 specifically includes:
receiving a handover request message sent by the first base station for the first target user to handover to the second base station, wherein the handover request message includes the resource information.
The second base station may be a target base station, the first base station is a source base station, the first target user may be a first target vehicle in the first base station, and when the first target vehicle is to be handed over from the first base station to the second base station, the second base station receives a Handover Request message sent by the first base station, where the Handover Request message may be a Handover Request signaling Handover Request, and the Handover Request signaling includes: a target cell identification number ID, a handover reason, a network node MME identification and/or the security capability of user equipment UE, and adding resource information in the handover request signaling, wherein the resource information is the resource information of the side link resource of the first target user allocated by the first base station. After the second base station receives the resource information, the second base station reserves the side link resource required by the first target user, and the reservation mode may be: if other users in the second base station occupy the side link resources required by the first target user, the second base station reallocates resources to all users in the second base station, and reserves the side link resources required by the first target user; if the side link resource needed by the first target user in the second base station is not occupied, the side link resource is directly reserved for the first target user to use when the first target user is switched to the second base station.
Determining that the first target vehicle is to be handed over from the first base station to the second base station on a condition that: when the signal intensity of a first base station where the first target vehicle is received is smaller than a preset threshold value, the first target vehicle sends information that the signal intensity of the first base station where the first target vehicle is received is smaller than the preset threshold value to the first base station, and the first base station judges that the first target vehicle is about to be subjected to inter-cell switching. The cell is the main positioning technology for the GSM network to obtain the location information to realize the location service, and it determines the location of the user by collecting the cell identification number of the mobile station. As long as the system can acquire the geographical position of the base station of the cell in which the mobile station is located on the map and the coverage radius of the cell, the system knows which cell the mobile station is located in when the mobile station is registered in the cell.
The step S21 specifically includes:
sending a switching request message for switching a second target user to the first base station;
and receiving a handover confirmation message sent by the first base station, wherein the handover confirmation message includes the resource information, and the first target user is all users in the first base station.
The second base station may be a source base station, the first base station is a target base station, and at this time, the first target users may be all users in the first base station, that is, all vehicles in the first base station; the second target user may be a second target vehicle in the second base station, and the second base station sends a handover request message to the first base station when the second target vehicle is to be handed over from the second base station to the first base station; the Handover Request message may be a Handover Request signaling Handover Request, where the Handover Request signaling includes: a target cell identification number ID, a handover reason, a network node MME identity and/or a security capability of a user equipment UE, and added resource information, where the resource information is resource information of a side link resource of the second target user allocated by the second base station. If the first base station allows the second target user to access, sending a handover confirmation message to the second base station, wherein the second base station receives the handover confirmation message sent by the first base station, and the handover confirmation message can be a handover request confirmation signaling HandoverRequest ACK; if the first base station does not allow the second target user to access, information that access is not allowed is sent to the second base station, the second base station receives the information that access is not allowed and sent by the first base station, and the second base station does not switch the second target user to the first base station any more. The handover request acknowledgement signaling includes: message type, etc. After the second base station receives the handover confirmation message, the second base station judges whether the side link resource required by the second target user is occupied in the first base station according to the resource information in the handover confirmation message, and if the side link resource required by the second target user is occupied, the second base station can reallocate the side link resource to the second target user according to the unoccupied side link resource in the first base station, so that the phenomenon of resource conflict cannot occur when the second target user is handed over to the first base station.
Determining that the second target vehicle is to be handed over from the second base station to the first base station on a condition that: and when the signal intensity of a second base station where the second target vehicle is received is smaller than a preset threshold value, the second target vehicle sends information that the signal intensity of the second base station where the second target vehicle is received is smaller than the preset threshold value to the second base station, and the second base station judges that the second target vehicle is about to be subjected to cell switching.
The step S21 specifically includes:
receiving resource information of the side link resource of the first target user, which is sent by the first base station, every preset time interval; wherein the first target users are all users in the first base station.
The first base station and the second base station may perform periodic communication through an X2 interface or an S1 interface, where the first base station periodically sends resource information of the edge link resource of the first target user to the second base station, the second base station periodically receives the resource information of the edge link resource of the first target user sent by the first base station, and the second base station allocates resources to users within its coverage area according to the resource information, so that the second base station may also effectively avoid edge users from occupying resources already occupied by the first base station in advance, and reduce risk of resource collision occurring in a user handover process. The preset time is the time for periodically receiving the resource information of the side link resource of the first target user, which is sent by the first base station.
In an embodiment of the present invention, the method further includes:
sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station.
The first base station and the second base station may perform periodic communication through an X2 interface or an S1 interface, where the second base station periodically sends resource information of an edge link resource of a third target user to the first base station, and the first base station periodically receives the resource information of the edge link resource of the third target user sent by the second base station, so that the first base station allocates resources to users within its coverage area according to the resource information, and may also effectively avoid an edge user from occupying a resource already occupied by the second base station in advance, and reduce a risk of resource collision occurring in a user handover process. The preset time is the time for periodically sending the resource information of the side link resource of the third target user to the first base station.
Receiving resource information of the side link resource of the first target user, which is sent by the first base station, at intervals of preset time; wherein the first target users are all users in the first base station; sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station. The first base station and the second base station periodically receive or send the resource information, so that the first base station and the second base station can reallocate the side link resources according to the received resource information respectively, and resource conflict is avoided. The preset time is the time for the first base station to perform information interaction with the second base station.
In a specific embodiment of the present invention, the first base station and the second base station belong to the same network node MME, wherein in the step of receiving the resource information of the edge link resource of the first target user sent by the first base station, the resource information sent by the first base station is received through an X2 interface.
Wherein, during the periodic information interaction, the first base station and the second base station may perform information interaction through an X2 interface or an S1 interface. And the first base station and the second base station send or receive messages through an X2 interface.
In a specific embodiment of the present invention, the first base station and the second base station belong to different network nodes MME, and in the step of receiving the resource information of the edge link resource of the first target user sent by the first base station, the resource information sent by the first base station is received through an S1 interface.
Wherein, during the periodic information interaction, the first base station and the second base station may perform information interaction through an X2 interface or an S1 interface. The first base station and the second base station send or receive messages through an S1 interface.
As shown in fig. 3, an embodiment of the present invention further provides a base station, where the base station is a first base station in a vehicle-to-X network, and includes a processor 301 and a transceiver 302, where the transceiver 302 is configured to:
sending resource information of the side link resource of the first target user to a second base station; wherein the side link resource of the first target user is allocated to the first base station.
Optionally, the transceiver 302 is specifically configured to:
and sending a switching request message for switching the first target user to the second base station, wherein the switching request message comprises the resource information.
Optionally, the transceiver 302 is specifically configured to:
receiving a switching request message sent by a second base station and used for switching a second target user to the first base station;
and sending a switching confirmation message to the second base station, wherein the switching confirmation message comprises the resource information, and the first target users are all users in the first base station.
Optionally, the processor 301 is configured to:
sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station.
Optionally, the processor 301 is further configured to:
receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station.
Optionally, the first base station and the second base station belong to the same network node MME, where the transceiver 302 is configured to send the resource information to the second base station through an X2 interface.
Optionally, the first base station and the second base station belong to different network nodes MME, wherein the transceiver 302 sends the resource information to the second base station through an S1 interface.
As shown in fig. 4, another base station is provided in the embodiment of the present invention, where the base station is a second base station in a vehicle-to-X network, and includes a processor 401 and a transceiver 402,
the transceiver 402 is configured to:
receiving resource information of side link resources of a first target user, which is sent by a first base station;
wherein the edge link resource of the first target user is allocated to the first base station.
Optionally, the transceiver 402 is configured to:
receiving a handover request message sent by the first base station for the first target user to handover to the second base station, wherein the handover request message includes the resource information.
Optionally, the transceiver 402 is configured to:
sending a switching request message for switching a second target user to the first base station;
and receiving a handover confirmation message sent by the first base station, wherein the handover confirmation message includes the resource information, and the first target user is all users in the first base station.
Optionally, the processor 401 is configured to:
receiving resource information of the side link resource of the first target user, which is sent by the first base station, every preset time interval; wherein the first target users are all users in the first base station.
Optionally, the processor 401 is further configured to:
sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station.
Optionally, the first base station and the second base station belong to the same network node MME, where the transceiver 402 receives the resource information sent by the first base station through an X2 interface.
Optionally, the first base station and the second base station belong to different network nodes MME, where the transceiver 402 receives the resource information sent by the first base station through an S1 interface.
As shown in fig. 5, an embodiment of the present invention further provides another base station, which includes a transceiver 501, a memory 502, a processor 500, and a computer program stored in the memory 502 and executable on the processor 500; the processor 500 calls and executes programs and data stored in the memory 502.
The transceiver 501 receives and transmits data under the control of the processor 500, and in particular, the processor 500 reads a program in the memory 502, and may perform the following processes:
the transceiver 501 is configured to:
sending resource information of the side link resource of the first target user to a second base station;
wherein the side link resource of the first target user is allocated to the first base station.
Optionally, the transceiver 501 is specifically configured to:
and sending a switching request message for switching the first target user to the second base station, wherein the switching request message comprises the resource information.
Optionally, the transceiver 501 is specifically configured to:
receiving a switching request message sent by a second base station and used for switching a second target user to the first base station;
and sending a switching confirmation message to the second base station, wherein the switching confirmation message comprises the resource information, and the first target users are all users in the first base station.
Optionally, the processor 500 is configured to:
sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station.
Optionally, the processor 500 is further configured to:
receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station.
Optionally, the first base station and the second base station belong to the same network node MME, where the transceiver 501 is configured to send the resource information to the second base station through an X2 interface.
Optionally, the first base station and the second base station belong to different network nodes MME, where the transceiver 501 is configured to send the resource information to the second base station through an S1 interface.
Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 500, and various circuits, represented by memory 502, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 501 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 502 may store data used by the processor 500 in performing operations.
Those skilled in the art will understand that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program includes instructions for executing part or all of the steps of the above methods; and the program may be stored in a readable storage medium, which may be any form of storage medium.
As shown in fig. 6, an embodiment of the present invention further provides another base station, where the base station is a second base station in a vehicle-to-X network, and the base station includes: a processor 601; and a memory 603 connected to the processor 601 through a bus interface 602, where the memory 603 is used for storing programs and data used by the processor 601 when executing operations, and the processor 601 calls and executes the programs and data stored in the memory 603.
The transceiver 604 is connected to the bus interface 602, and is configured to receive and transmit data under the control of the processor 601, and specifically, the processor 601 is configured to read a program in the memory 603, and may perform the following processes:
the transceiver 604 is configured to:
receiving resource information of side link resources of a first target user, which is sent by a first base station;
wherein the edge link resource of the first target user is allocated to the first base station.
Optionally, the transceiver 604 is configured to:
receiving a handover request message sent by the first base station for the first target user to handover to the second base station, wherein the handover request message includes the resource information.
Optionally, the transceiver 604 is configured to:
sending a switching request message for switching a second target user to the first base station;
and receiving a handover confirmation message sent by the first base station, wherein the handover confirmation message includes the resource information, and the first target user is all users in the first base station.
Optionally, the processor 601 is configured to:
receiving resource information of the side link resource of the first target user, which is sent by the first base station, every preset time interval; wherein the first target users are all users in the first base station.
Optionally, the processor 601 is further configured to:
sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station.
Optionally, the first base station and the second base station belong to the same network node MME, where the transceiver 604 is configured to receive the resource information sent by the first base station through an X2 interface.
Optionally, the first base station and the second base station belong to different network nodes MME, where the transceiver 604 is configured to receive the resource information sent by the first base station through an S1 interface.
It should be noted that in fig. 6, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 601 and various circuits of memory represented by memory 603 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 604 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different terminals, the user interface 605 may also be an interface capable of interfacing with desired devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc. The processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 may store data used by the processor 601 in performing operations.
Those skilled in the art will understand that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program includes instructions for executing part or all of the steps of the above methods; and the program may be stored in a readable storage medium, which may be any form of storage medium.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements each process in the resource management method embodiment described above, and can achieve the same technical effect, and for avoiding repetition, details are not described here again. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
In the above embodiment of the present invention, through information interaction between the first base station and the second base station, the first base station may perform resource allocation according to the resource information of the second base station, or the second base station may perform resource allocation according to the resource information of the first base station, so as to avoid a situation of resource collision occurring when a target user is handed over.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the method of the invention, it is obvious that the steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (30)

1. A resource management method is applied to a first base station in a vehicle-to-X network, and is characterized by comprising the following steps:
sending resource information of the side link resource of the first target user to a second base station;
wherein the side link resource of the first target user is allocated to the first base station.
2. The method for resource management according to claim 1, wherein the step of sending the resource information of the edge link resource of the first target user to the second base station comprises:
and sending a switching request message for switching the first target user to the second base station, wherein the switching request message comprises the resource information.
3. The method of claim 1, wherein the step of sending the resource information of the edge link resource of the first target user to the second base station comprises:
receiving a switching request message sent by a second base station and used for switching a second target user to the first base station;
and sending a switching confirmation message to the second base station, wherein the switching confirmation message comprises the resource information, and the first target users are all users in the first base station.
4. The method of claim 1, wherein the step of sending the resource information of the edge link resource of the first target user to the second base station comprises:
sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station.
5. The method of claim 4, further comprising:
receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station.
6. The method according to claim 1, wherein the first base station and the second base station belong to the same network node MME, and wherein the step of sending the resource information of the edge link resource of the first target user to the second base station sends the resource information to the second base station through an X2 interface.
7. The method according to claim 1, wherein the first base station and the second base station belong to different network nodes MME, and wherein the step of sending the resource information of the edge link resource of the first target user to the second base station sends the resource information to the second base station through an S1 interface.
8. A resource management method is applied to a second base station in a vehicle-to-X network, and is characterized by comprising the following steps:
receiving resource information of side link resources of a first target user, which is sent by a first base station;
wherein the edge link resource of the first target user is allocated to the first base station.
9. The method for resource management according to claim 8, wherein the step of receiving the resource information of the edge link resource of the first target user sent by the first base station comprises:
receiving a handover request message sent by the first base station for the first target user to handover to the second base station, wherein the handover request message includes the resource information.
10. The method for resource management according to claim 8, wherein the step of receiving the resource information of the edge link resource of the first target user sent by the first base station comprises:
sending a switching request message for switching a second target user to the first base station;
and receiving a handover confirmation message sent by the first base station, wherein the handover confirmation message includes the resource information, and the first target user is all users in the first base station.
11. The method for resource management according to claim 8, wherein the step of receiving the resource information of the edge link resource of the first target user sent by the first base station comprises:
receiving resource information of the side link resource of the first target user, which is sent by the first base station, every preset time interval; wherein the first target users are all users in the first base station.
12. The method of claim 11, further comprising:
sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station.
13. The method according to claim 8, wherein the first base station and the second base station belong to the same network node MME, and wherein in the step of receiving the resource information of the edge link resource of the first target user sent by the first base station, the resource information sent by the first base station is received through an X2 interface.
14. The method according to claim 8, wherein the first base station and the second base station belong to different network nodes MME, and wherein in the step of receiving the resource information of the edge link resource of the first target user sent by the first base station, the resource information sent by the first base station is received through an S1 interface.
15. A base station, the base station being a first base station in a vehicle-to-X network, comprising a processor and a transceiver, wherein the transceiver is configured to:
sending resource information of the side link resource of the first target user to a second base station;
wherein the side link resource of the first target user is allocated to the first base station.
16. The base station of claim 15, wherein the transceiver is specifically configured to:
and sending a switching request message for switching the first target user to the second base station, wherein the switching request message comprises the resource information.
17. The base station of claim 15, wherein the transceiver is specifically configured to:
receiving a switching request message sent by a second base station and used for switching a second target user to the first base station;
and sending a switching confirmation message to the second base station, wherein the switching confirmation message comprises the resource information, and the first target users are all users in the first base station.
18. The base station of claim 15, wherein the processor is configured to:
sending resource information of the side link resource of the first target user to the second base station every preset time; wherein the first target users are all users in the first base station.
19. The base station of claim 18, wherein the processor is further configured to:
receiving resource information of the side link resource of the third target user, which is sent by the second base station, every interval preset duration; wherein the third target users are all users in the second base station.
20. The base station of claim 15, wherein the first base station and the second base station belong to a same network node MME, and wherein the transceiver is configured to send the resource information to the second base station through an X2 interface.
21. The base station of claim 15, wherein the first base station and the second base station belong to different network nodes MME, and wherein the transceiver is configured to send the resource information to the second base station through an S1 interface.
22. A base station, the base station being a second base station in a vehicle-to-X network, comprising a processor and a transceiver, wherein the transceiver is configured to:
receiving resource information of side link resources of a first target user, which is sent by a first base station;
wherein the edge link resource of the first target user is allocated to the first base station.
23. The base station of claim 22, wherein the transceiver is configured to:
receiving a handover request message sent by the first base station for the first target user to handover to the second base station, wherein the handover request message includes the resource information.
24. The base station of claim 22, wherein the transceiver is configured to:
sending a switching request message for switching a second target user to the first base station;
and receiving a handover confirmation message sent by the first base station, wherein the handover confirmation message includes the resource information, and the first target user is all users in the first base station.
25. The base station of claim 22, wherein the processor is configured to:
receiving resource information of the side link resource of the first target user, which is sent by the first base station, every preset time interval; wherein the first target users are all users in the first base station.
26. The base station of claim 25, wherein the processor is further configured to:
sending resource information of the side link resource of a third target user to the first base station every interval preset time length; wherein the third target users are all users in the second base station.
27. The base station of claim 22, wherein the first base station and the second base station belong to a same network node MME, and wherein the transceiver is configured to receive the resource information sent by the first base station through an X2 interface.
28. The base station of claim 22, wherein the first base station and the second base station belong to different network nodes MME, and wherein the transceiver is configured to receive the resource information sent by the first base station through an S1 interface.
29. A base station comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the resource management method of any one of claims 1 to 7 or 8 to 14 when executing the program.
30. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of the method for resource management according to any one of claims 1 to 7 or 8 to 14.
CN201910010590.9A 2019-01-07 2019-01-07 Resource management method and base station Pending CN111417086A (en)

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