CN114143825B - RRU management method and system based on multimode base station - Google Patents

RRU management method and system based on multimode base station Download PDF

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Publication number
CN114143825B
CN114143825B CN202111523227.0A CN202111523227A CN114143825B CN 114143825 B CN114143825 B CN 114143825B CN 202111523227 A CN202111523227 A CN 202111523227A CN 114143825 B CN114143825 B CN 114143825B
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base station
rru
message
multimode
control information
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CN114143825A (en
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冯薇
欧文军
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CICT Mobile Communication Technology Co Ltd
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CICT Mobile Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04W28/10—Flow control between communication endpoints

Abstract

The invention provides an RRU management method and system based on a multimode base station, wherein the method comprises the following steps: receiving control information for RRU sent by a 4G base station and a 5G base station in a multimode base station by a 5G base station in the multimode base station, and forwarding the control information to the RRU; and receiving a response message of the control information sent by the RRU, and sending the response message to the 4G base station and/or the 5G base station. The invention improves the RRU management efficiency, reduces the time delay and ensures the RRU management stability.

Description

RRU management method and system based on multimode base station
Technical Field
The invention relates to the technical field of communication, in particular to an RRU management method and system based on a multimode base station.
Background
With the development of communication technology, 5G base stations will gradually be put into use. However, for the 4G base station which is put into use at present, the cost is relatively high, and if the 4G base station is directly abandoned, the resource waste is caused. And the 5G base station and the 4G base station have transition problems.
Management of RRU (Radio Remote Unit, remote radio unit) is problematic if the 4G base station and 5G base station are used together. The most used management mode at present is that the 4G base station and the 5G base station are communicated with the RRU through one optical fiber, so that the RRU is managed.
Such management is a burden for RRU, and needs to receive message processing and response of multiple base stations at the same time, so that problems such as message blocking, message loss and timeout processing easily occur, which results in low communication efficiency, and thus problems such as access failure and signal access failure of a terminal user occur.
Disclosure of Invention
The invention provides an RRU management method and system based on a multimode base station, which are used for solving the defects of low RRU management efficiency and prolonged RRU management time in the prior art, improving the RRU management efficiency, reducing time delay, reducing cost and ensuring the RRU management stability.
The invention provides an RRU management method based on a multimode base station, which comprises the following steps:
receiving control information for RRU sent by a 4G base station and a 5G base station in a multimode base station by a 5G base station in the multimode base station, and forwarding the control information to the RRU;
and receiving a response message of the control information sent by the RRU, and sending the response message to the 4G base station and/or the 5G base station.
According to the RRU management method based on the multimode base station, the multimode base station and the RRU are communicated through a single optical fiber;
the single optical fiber connects the 5G baseband and the RRU.
According to the RRU management method based on the multimode base station provided by the present invention, before the 5G base station in the multimode base station receives the control message of the 5G base station and the 4G base station in the multimode base station to the RRU, the RRU management method further includes:
receiving a first starting notification sent by the 4G base station, and if a response result of the first starting notification is returned to the 4G base station within a first preset duration, setting the 5G base station to be in a master control mode; wherein the 5G base station and the 4G base station are co-framed;
and sending a second starting notice to the 4G base station, and if a response result of the second starting notice returned by the 4G base station is received within a second preset time period and a response result of the first starting notice is not returned to the 4G base station within the first preset time period, setting the 4G base station into a cooperative control mode.
According to the RRU management method based on the multimode base station, the control message is an access flow establishment message, and the response message is parameter information of the RRU;
the step of receiving a control message sent by a 5G base station in a multimode base station and used for controlling RRU by the 5G base station in the multimode base station and forwarding the control message to the RRU comprises the following steps:
After receiving the access request message broadcast by the RRU, sending an access flow establishment message to the RRU;
the receiving the response message of the control information sent by the RRU and sending the response message to the 4G base station and/or the 5G base station includes:
receiving parameter information of the RRU reported by the RRU according to the flow establishment message;
transmitting the parameter information of the RRU to the 5G base station, so that the 5G base station accesses the RRU to the 5G base station according to the parameter information of the RRU;
and forwarding the parameter information of the RRU to a 4G base station so that the 4G base station can access the RRU to the 4G base station according to the parameter information of the RRU.
According to the RRU management method based on the multimode base station, the control message is a parameter query message;
the 5G baseband of the 5G base station in the multimode base station receives control information for RRU sent by the 4G base station and the 5G base station in the multimode base station, and forwards the control information to the RRU, comprising:
receiving a parameter query message of the 4G base station to the RRU, which is sent by the 4G base station;
receiving a parameter query message of the 5G base station to the RRU, which is sent by the 5G base station;
And forwarding parameter query messages of the 4G base station and the 5G base station to the RRU through an IR interface of the multimode base station so that the RRU can query the parameter information of the RRU according to the parameter query messages.
According to the RRU management method based on the multimode base station, the control message is a parameter configuration message;
the 5G baseband of the 5G base station in the multimode base station receives control information for RRU sent by the 4G base station and the 5G base station in the multimode base station, and forwards the control information to the RRU, comprising:
receiving a parameter configuration message of the 4G base station to the RRU, which is sent by the 4G base station;
receiving a parameter configuration message of the 5G base station to the RRU, which is sent by the 5G base station;
and forwarding parameter configuration information of the RRU to the RRU through an IR interface of the multimode base station by the 4G base station and the 5G base station so that the RRU can configure the parameter information of the RRU according to the parameter configuration information.
According to the RRU management method based on the multimode base station, the 5G base station and the 4G base station are in a common frame;
the receiving the response message of the control information sent by the RRU and sending the response message to the 4G base station and/or the 5G base station includes:
Receiving a response message of the RRU to the control message, and sending the response message to the 5G base station or the 4G base station corresponding to the slot number according to the slot number of the frame of the common frame of the 5G base station and the 4G base station in the response message; wherein, the slot number is pre-associated with the 5G base station or the 4G base station.
The invention also provides an RRU management system based on the multimode base station, which comprises:
the control module is used for receiving control messages sent by the 4G base station and the 5G base station in the multimode base station and forwarding the control messages to the RRU;
and the response module is used for receiving the response message of the control information sent by the RRU and sending the response message to the 4G base station and/or the 5G base station.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the steps of the multimode base station-based RRU management method described in any one of the above are realized when the processor executes the program.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the multimode base station based RRU management method as described in any one of the above.
The invention also provides a computer program product comprising a computer program which when executed by a processor implements the steps of the multimode base station based RRU management method as described in any one of the above.
According to the RRU management method and system based on the multimode base station, the control information between the multimode base station and the RRU can only be directly transmitted by the 5G side for control, the control information of the RRU by the 4G base station needs to be forwarded through the 5G baseband, and the management of the RRU by the multimode base station can be realized only by establishing connection between the RRU and the 5G base station, so that the management of the RRU by the multimode base station and the RRU by using one interface is ensured, the problems of message blocking, message loss, overtime processing and the like of the simultaneous management of the RRU by the 4G base station and the 5G base station are avoided, the management efficiency of the RRU is improved, the time delay is reduced, and the management stability of the RRU is ensured.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of an RRU management method based on a multimode base station provided by the present invention;
fig. 2 is a schematic diagram of connection between a multimode base station and an RRU in the RRU management method based on the multimode base station provided by the present invention;
fig. 3 is a schematic flow chart of accessing an RRU to a multimode base station in the multimode base station-based RRU management method provided by the present invention;
fig. 4 is a schematic flow chart of querying RRU parameter information by a multimode base station in the RRU management method based on a multimode base station provided by the present invention;
fig. 5 is a schematic flow chart of configuring RRU parameter information by a multimode base station in the RRU management method based on the multimode base station provided by the present invention;
fig. 6 is a schematic structural diagram of an RRU management system based on a multimode base station provided by the present invention;
fig. 7 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes an RRU management method based on a multimode base station with reference to fig. 1, which is characterized by comprising: step 101, a 5G baseband of a 5G base station in a multimode base station receives control messages sent by a 4G base station and the 5G base station in the multimode base station and forwards the control messages to the RRU;
the main implementation body in this embodiment is the 5G baseband of the 5G base station in the multimode base station. The multimode base station is a base station supporting a network of various systems. In this embodiment, the multimode base station supports at least 4G and 5G modes, where a portion of the 4G mode in the multimode base station is referred to as a 4G base station, and a portion of the 5G mode is referred to as a 5G base station. The 4G base station comprises a 4G baseband and a 4G master control, and the 5G base station comprises a 5G baseband and a 5G master control.
In the prior art, in the management of the RRU based on the multimode base station, a 4G base station and a 5G base station are respectively communicated with the RRU to realize the management of the RRU.
In the application, only the 5G base station in the multimode base station is communicated with the RRU, and the 4G base station is not communicated with the RRU. The control information for management of the RRU by the 5G base station is directly sent to the RRU through the 5G baseband of the 5G base station. And the control information of the 4G base station for the RRU used for management needs to be sent to the 5G baseband first, and forwarded to the RRU through the 5G baseband.
The control information includes access, parameter query, parameter configuration and RRU upgrade information. The present embodiment does not limit the type of control information.
Step 102, receiving a response message of the control information sent by the RRU, and sending the response message to the 4G base station and/or the 5G base station.
The response message sent by the RRU to the 5G base station is directly sent to the 5G master control through the 5G baseband. The response message sent by the RRU to the 4G base station is firstly sent to the 5G base station and is forwarded to the 4G base station through the 5G base station.
According to the embodiment, the control information can only be directly sent by the 5G side between the multimode base station and the RRU for control, the control information of the RRU needs to be forwarded by the 4G base station through the 5G baseband, and the management of the RRU by the multimode base station can be realized only by establishing connection between the RRU and the 5G base station, so that the management of the multimode base station and the RRU by using one interface is ensured, the problems that the RRU is blocked in the process of simultaneously managing the RRU by the 4G base station and the 5G base station, the message is lost, the processing is overtime and the like are avoided, the management efficiency of the RRU is improved, the time delay is reduced, and the management stability of the RRU is ensured.
On the basis of the above embodiment, as shown in fig. 2, in this embodiment, the multimode base station and the RRU communicate with each other through a single optical fiber; the single optical fiber connects the 5G baseband and the RRU.
Fig. 2 is a schematic diagram of a multimode base station connected to an RRU. The BBU (Base Band Unit) of the multimode Base station includes a 5G master, a 5G baseband, a 4G master, and a 4G baseband. The RRU includes HUB (multiport repeater) and PICO (remote radio unit).
Wherein, the light mouth of 5G baseband passes through fiber connection with HUB, and HUB passes through fiber connection with PICO. Although HUB is connected with the PICO, the management and control of the PICO is also performed by the base station, and HUB is merely a channel.
The RRU and the 5G baseband are communicated through optical fibers, and OM (operation maintenance management) and service data transmission are performed through the Ethernet. The OM data comprises OM data between the RRU and the 5G base station and 4G base station. The service data includes service data between the RRU and the 5G base station and the 4G base station.
In fig. 2, the multimode base station is only connected with one RRU, and in actual use, one 5G baseband in the multimode base station has a plurality of optical ports, and each optical port can be connected with a plurality of RRUs under the cascade networking.
The optical fibers and optical modules are required to be in large quantities in a complex networking environment, and the wiring is also complex. The networking mode in the embodiment can save cost, reduce connection complexity and reduce error conditions. It should be noted that, in actual use, the number of cascaded devices may be determined according to actual situations, and is not limited to the networking mode in this embodiment.
For the complex environment of the system, the whole system is simplified on hardware connection, and errors are avoided when the complex connection of the environment is more; from the economic cost, the optical fiber consumption is reduced, and the cost is saved.
On the basis of the foregoing embodiment, before the 5G base station in the multimode base station receives the control messages of the 5G base station and the 4G base station in the multimode base station to the RRU in this embodiment, the method further includes: receiving a first starting notification sent by the 4G base station, and if a response result of the first starting notification is returned to the 4G base station within a first preset duration, setting the 5G base station to be in a master control mode; wherein the 5G base station and the 4G base station are co-framed;
the common frame of the 5G base station and the 4G base station in the multimode base station means that the baseband single board and the main control board of the two base stations are in the same machine frame.
And the 4G base station and the 5G base station mutually send a starting notification when starting, and a main cooperative mode is selected for management according to a returned response result. And if the 5G side successfully returns a response result of the starting notice within the first preset time length, setting the 5G side as a master control mode.
And sending a second starting notice to the 4G base station, and if a response result of the second starting notice returned by the 4G base station is received within a second preset time period and a response result of the first starting notice is not returned to the 4G base station within the first preset time period, setting the 4G base station into a cooperative control mode.
If the 4G side successfully returns the response result of the starting notification within the second preset time, and the 5G side does not return the response result of the starting notification, the 5G side is abnormal, and the 4G side is set to be in a co-management mode.
Further, the in-place states of the 4G side and the 5G side are detected by the heartbeat messages of the 4G side and the 5G side, and switching of the master cooperative mode is performed in accordance with the in-place states.
Based on the above embodiments, in this embodiment, the control message is an access procedure establishment message, and the response message is parameter information of the RRU;
the management of the RRU by the multimode base station includes access management. The access flow between the RRU and the multimode base station is sent to the 5G baseband through the IR (Infrared) interface of the multimode base station, and only interacts with the 5G base station. And after the RRU access is completed, the 5G directly forwards the parameter information of the RRU to the 4G side.
The IR interface refers to an interface between the BBU and the RRU, connected by optical fibers.
The step of receiving a control message sent by a 5G base station in a multimode base station and used for controlling RRU by the 5G base station in the multimode base station and forwarding the control message to the RRU comprises the following steps: after receiving the access request message broadcast by the RRU, sending an access flow establishment message to the RRU;
The flow of RRU access to the multimode base station is shown in fig. 3. Inter-process communication is carried out between the 4G base station and the 5G base station, and whether the line is on or not is detected through mutual heartbeat messages. And communication is carried out between the 5G and the RRU through TCP (Transmission Control Protocol ), and mutual heartbeat messages detect whether the connection is dropped. And under the condition that the 4G, 5G and RRU are detected to be online, the RRU initiates a broadcast packet to the 5G base station.
The receiving the response message of the control information sent by the RRU and sending the response message to the 4G base station and/or the 5G base station includes: receiving parameter information of the RRU reported by the RRU according to the flow establishment message; transmitting the parameter information of the RRU to the 5G base station, so that the 5G base station accesses the RRU to the 5G base station according to the parameter information of the RRU; and forwarding the parameter information of the RRU to a 4G base station so that the 4G base station can access the RRU to the 4G base station according to the parameter information of the RRU.
The RRU initiates a broadcast packet to the 5G base station, and the 5G base station initiates the establishment of an access flow after receiving the broadcast packet and sends a broadcast packet response message. After receiving the broadcast packet response message of the 5G base station, the RRU establishes a TCP link and starts to initiate an access flow message. And after the RRU information is reported, completing the access flow. The 5G main control forwards the parameter information of the RRU to a 5G baseband through resource synchronization, and the 5G baseband forwards the message to a 4G side through an IR interface; thereby realizing the access of the RRU on the 4G side and the 5G side. The method comprises the following specific steps:
And 301,4G, establishing a heartbeat task on the 5G side, and carrying out mutual sending and detection of heartbeat messages of 4G and 5G. The heartbeat message is normally transmitted and received, the problems of overtime and the like are avoided, the current connection is normal, and the message can be normally transmitted;
in step 302, after the RRU detects synchronization between the RRU and the 5G. Detecting whether the connection between the RRU and the 5G is normal or not through heartbeat detection tasks sending heartbeat messages each other, if the heartbeat messages are detected to be lost, disconnecting a task link, and closing TCP connection; and if the heartbeat message is detected to be normal, the heartbeat message is communicated with the 5G normal. The RRU only carries out heartbeat detection with the 5G base station.
In step 303, after the RRU detects synchronization between the RRU and the 5G. The RRU initiates a start message, encapsulates the acquired link ID, the optical number information of the 5G base station, the MAC address and the like, and initiates a broadcast access request message to the BBU. The broadcast access request message is transmitted directly through the IR interface without special processing. The 5G baseband receives the broadcast access request message which is reported to the IR interface by the drive broadcast channel, and modifies the message format into OSP (Outside Plant) message. And then, according to the link ID, the optical number information and the like, a target SFU (Store and Forward Unit, a store-and-forward unit) is confirmed, the message is forwarded to a corresponding module, RRU parameter information is analyzed in the module, and whether the parameter information reported by the RRU is matched with the parameter information distributed by the base station or not is confirmed. If the information matches, then a broadcast access request response message is sent to step 304; if the radio access request is not matched, an alarm is reported, and the RRU continues to send the radio access request.
Step 304, after receiving the BBU message, the RRU confirms whether the current RRU has completed broadcast access, if not, checks the link ID and the optical number, and confirms whether it is the broadcast access response message of the current level RRU, if so, forwards the broadcast access response message to the RRU access module. And the RRU analyzes the broadcast response message, judges whether a TCP link is established, and if not, initiates TCP link establishment. Reporting RRU information to initiate channel establishment information to enter step 305; if so, return directly.
Step 305, the RRU initiates a channel establishment message, reports information such as RRU information bearing capacity and the like, and the IR interface performs conversion of a size end and then sends the information; the 5G baseband processes the received message and forwards the message to the 5G master. And the 5G side processes according to the current RRU state and sends a channel establishment response message.
Step 306, after the RRU receives the message, it confirms that the current TCP connection has been established, modifies the IR interface protocol number in the IE (Internet Explorer, web browser) header to the message number used inside the RRU, and confirms the SFU of interest according to the message number, and forwards the message to the corresponding module. After receiving the channel setup response message, the RRU parameters are configured, and step 307 is entered.
In step 307, the rru initiates an access completion acknowledgement message to 5G. After receiving the message, the 5G side calibrates the parameters, and confirms that all steps of the current RRU access are completed, and then the modification status is that the RRU access is completed, and step 308 is entered.
Step 308,5G confirms that the RRU is accessed, performs resource synchronization with the 4G side, and forwards the parameter information of the RRU to the 4G side through a resource synchronization response message, and then the step 309 is performed.
Step 309,5G the baseband processes the synchronization message and forwards the message to 4G via the underlying OSP send message interface.
Step 310,4G receives the RRU parameter information, processes the RRU parameter information, synchronizes the RRU parameter information, and confirms that the RRU access is completed, and proceeds to step 311.
Step 311, the BBU side queries RRU, and proceeds to step 312, and the access is completed.
For the access process of the RRU, only interaction of the access process with the 5G base station is needed, after the RRU and the 5G access are completed, the 5G side directly forwards the RRU information, so that the interaction of the RRU with multiple systems in the access process can be avoided, the access process of the RRU is simplified, and the access risk problem is reduced.
On the basis of the above embodiment, the control message in this embodiment is a parameter query message;
the management of the RRU by the multimode base station includes a parameter query. And the multimode base station transmits the parameter query message to the RRU through the IR interface, and queries the parameter information of the RRU.
The 5G baseband of the 5G base station in the multimode base station receives control information for RRU sent by the 4G base station and the 5G base station in the multimode base station, and forwards the control information to the RRU, comprising: receiving a parameter query message of the 4G base station to the RRU, which is sent by the 4G base station; receiving a parameter query message of the 5G base station to the RRU, which is sent by the 5G base station;
the parameter query of the multimode base station to the RRU comprises the parameter query of the 4G base station to the RRU and the parameter query of the 5G base station to the RRU. The 4G base station sends the parameter query message to the RRU to the 5G baseband through the inter-board message between the 4G and 5G, and the 5G baseband forwards the parameter query message to the IR interface driver through the query message interface. The 5G base station directly forwards the parameter query message of the RRU to the 5G base band through the inter-board message, and the 5G base band is forwarded to the IR interface driver through the query interface.
And forwarding parameter query messages of the 4G base station and the 5G base station to the RRU through an IR interface of the multimode base station so that the RRU can query the parameter information of the RRU according to the parameter query messages.
The management of the RRU by the multimode base station is carried out by the communication between the 5G base station and the RRU. The parameter inquiry and setting of the RRU by the 4G base station is firstly sent to the 5G side, and the 5G side forwards the message to the RRU through a standard IR interface protocol. And the response message of the RRU is sent to the 5G side, and the 5G side forwards the message to the 4G side or the 5G side according to the slot number information. The RRU only needs to establish channel connection with the 5G base station, and the access flow of the RRU only needs to be communicated with the 5G base station. The internal access flow can be simplified for the RRU; and the problems of message blocking, message loss, overtime processing, forwarding error and the like are avoided.
The flow of the multimode base station for querying RRU parameter information is shown in fig. 4. The parameter query of the multimode base station to the RRU is mainly used for updating and debugging the RRU parameters. The multimode base station performs sending processing on RRU parameter query through a user-defined query parameter interface. The 5G baseband transmits the parameter query message through the query parameter interface to the RRU through the bottom IR protocol. After the RRU receives the message, the RRU analyzes the message through the query parameter interface and returns a response message. The method comprises the following specific steps:
step 401,5G, the main control sends RRU parameter information to be queried to the 5G baseband through a user-defined query parameter interface; after receiving the message, the 5G baseband needs to acquire message information, a procedure number, a link ID, and an optical number. The message record of the set message information is BBU to RRU. And judging that the message comes from the 5G main control according to the slot number, and acquiring a link ID, an optical number and an RRU type through the RRU number. According to the definition of the IR message structure, parameters such as a link ID, a light port number, a slot number, RRU type and the like are packaged into an IR message header, whether the message sent to the RRU is a main sending message is confirmed through the link ID, if so, a timeout timer is deleted, and a processing function is used for processing. And finally, sending the message to the bottom layer through the IR interface, and forwarding the message to the RRU. Step 402 is entered.
After the RRU receives the message, the acknowledgement is a BBU to RRU message, step 402. And confirming that the current TCP connection is established, and modifying the IR interface protocol number into a message number used inside the RRU. And forwarding the RRU query message to the RRU parameter query module. Updating according to the specific query parameters, and sending a query response message to the 5G baseband. After receiving the message through the IR interface, the 5G baseband acquires the basic information RRU ID, and confirms whether the current message is from the HUB or the PICO. The message recording direction is set as RRU to BBU. And acquiring a link ID and an RRU number through the RRU ID and the BBU ID. The acquisition message is sent to the application layer. And searching the value of the BBU main sending record through the link ID, confirming whether the BBU main sending record is a main sending message, deleting the timeout timer if the BBU main sending record is a main sending message, processing the main sending message, and sending the main sending message to the corresponding module through the IR sending message interface.
Step 403,4G, the main control initiates an RRU parameter query message to the 5G baseband through the custom query message interface, and the 5G baseband forwards the received message, and step 404 is entered.
Step 404,5G the baseband IR module receives the send message, obtains the message information, the process number, the link ID, and the optical port number. The message recording direction is set from BBU to RRU. The message is judged to come from 4G through the slot number, the information such as the link ID, the optical number and the like is acquired for the message at the 4G side, the link ID is required to be searched firstly through RRUNO carried by the 4G message, and if the information is invalid, the information is required to be acquired through RRUNO at the 5G side. According to the definition of the IR message structure, parameters such as a link ID, a light port number, a slot number, RRU type and the like are packaged into an IR message header, whether the message sent to the RRU is a main sending message is confirmed through the link ID, if so, a timeout timer is deleted, and a processing function is processed. And finally, sending the received 4G inquiry message to the bottom layer through the IR interface message, and forwarding the received 4G inquiry message to the RRU.
After the RRU receives the message, step 405, the acknowledgement is a message sent by the BBU to the RRU. And confirming that the current TCP connection is established, modifying the IR interface protocol number into a message number used in the RRU, and forwarding the RRU query message to the RRU parameter query module. Updating according to specific query parameters, sending a query response message to the 5G, and only updating the parameters which need to be queried specifically without distinguishing the 4G base station from the 5G base station.
In step 406, the RRU sends a query parameter response message to the 5G side, and after receiving the message through the IR interface, the 5G baseband obtains the basic information RRU ID, and confirms whether the current message is from the HUB or the PICO. The message recording direction is set as RRU to BBU. And acquiring a link ID and an RRU number through the RRU ID and the BBU ID, and acquiring a message and sending the message to an application layer. And searching the value of the BBU main sending record through the link ID to confirm whether the BBU main sending record is a main sending message. If the timer is deleted, the confirmation message is processed by the main function.
Step 407,5G, the baseband judges the target SFU according to the slot number, and the confirmation message is forwarded to the 5G master control or the 4G master control, if the confirmation message is the 4G inquiry message, the step 408 is entered.
Step 408,5G baseband forwards the RRU parameter query response message to the 4G side via the query response message interface with the 4G side.
And step 409,4G, receiving the RRU parameter inquiry response message by the side, and carrying out RRU parameter analysis and update.
On the basis of the above embodiment, the control message in this embodiment is a parameter configuration message;
the management of the RRU by the multimode base station includes parameter configuration. And the multimode base station sends the parameter configuration message to the RRU through the IR interface, and configures the parameter information of the RRU. The parameter configuration message is a pass-through custom message.
The 5G baseband of the 5G base station in the multimode base station receives control information for RRU sent by the 4G base station and the 5G base station in the multimode base station, and forwards the control information to the RRU, comprising: receiving a parameter configuration message of the 4G base station to the RRU, which is sent by the 4G base station; receiving a parameter configuration message of the 5G base station to the RRU, which is sent by the 5G base station;
the multimode base station sends the parameter configuration message to the RRU through the IR interface to carry out parameter configuration, wherein the parameter configuration comprises the parameter configuration of the RRU by the 4G base station and the parameter configuration of the RRU by the 5G base station. The parameter configuration message of the 4G base station to the RRU is sent to the 5G baseband through the inter-board custom transparent transmission message between the 4G base station and the 5G base station, and the 5G baseband is forwarded to the IR interface driver through the custom transparent transmission message interface. The 5G base station directly forwards RRU parameter configuration information to the 5G base band through the inter-board custom transparent transmission information, and the 5G base band is forwarded to the IR interface drive through the transparent transmission information interface.
And forwarding parameter configuration information of the RRU to the RRU through an IR interface of the multimode base station by the 4G base station and the 5G base station so that the RRU can configure the parameter information of the RRU according to the parameter configuration information.
The flow of configuring RRU parameter information by the multimode base station is shown in fig. 5. The parameter configuration of the multimode base station to the RRU is mainly that after the RRU is accessed to the base station, the base station enters the process of cell establishment. The parameter configuration of the multimode base station to the RRU is mainly that after the parameter configuration message is packaged through the custom transparent transmission message, the parameter configuration message is forwarded through the bottom standard IR protocol in the 5G baseband. After the RRU receives the custom transparent transmission message, the RRU analyzes the custom transparent transmission message to a corresponding module. And then the RRU analyzes the configuration message and performs processing such as parameter configuration. The method is not specifically as follows:
step 501,5G, after the RRU configuration message is encapsulated and transferred by the custom transparent transmission message, the RRU configuration message is forwarded to the 5G baseband, and the 5G baseband obtains information such as message information, process number, link ID, optical number, etc. for the received message. The message recording direction is set from BBU to RRU. And judging that the message comes from the 5G main control according to the slot number, and acquiring a link ID, an optical number and an RRU type through the RRU number. And filling in a configuration parameter message ID for the custom transparent message for the message type. The IR header information is then filled in according to the IR header definition. And judging whether the current message is a main sending message or not, if so, deleting the timeout timer, processing the message, and forwarding the message to the RRU through a standard IR protocol, and entering step 502.
Step 502, after receiving the 5G custom transparent message, the RRU converts the message header into an RRU internal message, and parses the RRU internal message and sends the message to the custom transparent message module. And forwarding the analyzed parameter configuration information to a corresponding task, analyzing the configuration parameter information at the corresponding task, and performing processing such as configuration on the parameters. The RRU parameter configuration response message is packaged and sent to the IR interface through the custom transparent transmission response message, and the IR interface sends the message to the base station. Optionally, specific message analysis is not performed on the IR interface, so that the problems of message blocking and the like caused by excessive received base station messages are avoided.
Step 503,4G side encapsulates the parameter configuration message for the RRU by the custom transparent message and then sends the encapsulated parameter configuration message to the 5G baseband board.
After receiving the custom transparent message, the baseband in step 504,5G obtains the 4G side link ID, RRU type and optical number if the slot number is determined to be the 4G side message. The message recording direction is set from BBU to RRU.
Step 505, message encapsulation is performed through the IR message interface, and the custom transparent message is sent to the RRU by driving the bottom IR transparent message interface.
Step 506, after receiving the 5G message, the rru performs the same processing as step 502; the response message is sent to 5G. The RRU does not need to distinguish the configuration message from the 4G base station and the 5 base station, and only needs to analyze according to the message ID.
Step 507,5G, after receiving the message, the baseband confirms from where the message came based on the RRU ID. After the message record direction is set and the message type is analyzed as the self-defined transparent transmission response message, whether the message is the main sending message or not is confirmed according to the link ID, if the message is the main sending message, the message is confirmed to be correct, and the timeout timer is deleted.
Step 508, determining the destination SFU according to the response message ID and the slot number. If the acknowledgement is a 4G response message, the message is forwarded to the 4G through the IR send message interface.
After receiving the RRU parameter configuration response message, step 509,4G calibrates and post-processes the RRU parameters.
On the basis of the above embodiments, the 5G base station and the 4G base station in this embodiment are co-framed; the receiving the response message of the control information sent by the RRU and sending the response message to the 4G base station and/or the 5G base station includes: receiving a response message of the RRU to the control message, and sending the response message to the 5G base station or the 4G base station corresponding to the slot number according to the slot number of the frame of the common frame of the 5G base station and the 4G base station in the response message; wherein, the slot number is pre-associated with the 5G base station or the 4G base station.
After receiving response information of RRU to parameter inquiry information or parameter configuration information, the 5G baseband does not process the response information, and directly judges whether the parameter inquiry information or the parameter configuration information comes from the 5G base station or the 4G base station through the slot number of a frame shared by the 5G base station and the 4G base station, thereby determining whether a forwarding destination address of the parameter inquiry information or the parameter configuration information is an address of the 5G base station or an address of the 5G base station.
The following describes the RRU management system based on the multimode base station provided by the present invention, and the RRU management system based on the multimode base station described below and the RRU management method based on the multimode base station described above can be referred to correspondingly.
As shown in fig. 6, the system includes a control module 601 and a response module 602, wherein:
the control module 601 is configured to receive control messages sent by a 4G base station and a 5G base station in a multimode base station and forward the control messages to the RRU;
the response module 602 is configured to receive a response message of the control information sent by the RRU, and send the response message to the 4G base station and/or the 5G base station.
According to the embodiment, the control information can only be directly sent by the 5G side between the multimode base station and the RRU for control, the control information of the RRU needs to be forwarded by the 4G base station through the 5G baseband, and the management of the RRU by the multimode base station can be realized only by establishing connection between the RRU and the 5G base station, so that the management of the multimode base station and the RRU by using one interface is ensured, the problems that the RRU is blocked in the process of simultaneously managing the RRU by the 4G base station and the 5G base station, the message is lost, the processing is overtime and the like are avoided, the management efficiency of the RRU is improved, the time delay is reduced, and the management stability of the RRU is ensured.
Fig. 7 illustrates a physical schematic diagram of an electronic device, as shown in fig. 7, which may include: processor 710, communication interface (Communications Interface) 720, memory 730, and communication bus 740, wherein processor 710, communication interface 720, memory 730 communicate with each other via communication bus 740. Processor 710 may invoke logic instructions in memory 730 to perform a multimode base station based RRU management method comprising: receiving control information for RRU sent by a 4G base station and a 5G base station in a multimode base station by a 5G base station in the multimode base station, and forwarding the control information to the RRU; and receiving a response message of the control information sent by the RRU, and sending the response message to the 4G base station and/or the 5G base station.
Further, the logic instructions in the memory 730 described above may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, where the computer program product includes a computer program, where the computer program can be stored on a non-transitory computer readable storage medium, and when the computer program is executed by a processor, the computer can execute the RRU management method based on the multimode base station provided by the above methods, and the method includes: receiving control information for RRU sent by a 4G base station and a 5G base station in a multimode base station by a 5G base station in the multimode base station, and forwarding the control information to the RRU; and receiving a response message of the control information sent by the RRU, and sending the response message to the 4G base station and/or the 5G base station.
In still another aspect, the present invention further provides a non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor is implemented to perform the multimode base station based RRU management method provided by the methods above, the method comprising: receiving control information for RRU sent by a 4G base station and a 5G base station in a multimode base station by a 5G base station in the multimode base station, and forwarding the control information to the RRU; and receiving a response message of the control information sent by the RRU, and sending the response message to the 4G base station and/or the 5G base station.
The system embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. The RRU management method based on the multimode base station is characterized by comprising the following steps:
receiving control information of RRU sent by a 4G base station and a 5G base station in a multimode base station by a 5G base station in the multimode base station, and forwarding the control information to the RRU;
a 5G baseband of a 5G base station in the multimode base station receives a response message of the control information sent by the RRU and sends the response message to the 4G base station and/or the 5G base station;
before the 5G baseband of the 5G base station in the multimode base station receives the control information of the 5G base station and the 4G base station in the multimode base station to the RRU, the method further includes:
the 5G base station receives a first starting notification sent by the 4G base station, and if a response result of the first starting notification is returned to the 4G base station within a first preset duration, the 5G base station is set to be in a master control mode; wherein the 5G base station and the 4G base station are co-framed;
The 5G base station sends a second starting notice to the 4G base station, and if the 5G base station receives a response result of the second starting notice returned by the 4G base station within a second preset time period and does not return a response result of the first starting notice to the 4G base station within the first preset time period, the 4G base station is set to a cooperative control mode;
the 5G baseband of the 5G base station in the multimode base station receives the response message of the control information sent by the RRU, and sends the response message to the 4G base station and/or the 5G base station, including:
the 5G baseband receives a response message of the RRU to the control information, and sends the response message to the 5G base station or the 4G base station corresponding to the slot number according to the slot number of a frame of which the 5G base station and the 4G base station are in a common frame in the response message; wherein, the slot number is pre-associated with the 5G base station or the 4G base station;
the control information comprises access, parameter inquiry, parameter configuration and RRU upgrading information.
2. The RRU management method of claim 1, wherein the multimode base station and the RRU communicate via a single optical fiber;
The single optical fiber connects the 5G baseband and the RRU.
3. The RRU management method according to any one of claims 1-2, wherein the control information is an access procedure setup message, and the response message is parameter information of the RRU;
the step of receiving control information of RRU sent by a 5G base station in a multimode base station by a 5G base station in the multimode base station and forwarding the control information to the RRU comprises the following steps:
after receiving the access request message broadcast by the RRU, sending an access flow establishment message to the RRU;
the 5G baseband of the 5G base station in the multimode base station receives the response message of the control information sent by the RRU, and sends the response message to the 4G base station and/or the 5G base station, including:
receiving parameter information of the RRU reported by the RRU according to the flow establishment message;
transmitting the parameter information of the RRU to the 5G base station, so that the 5G base station accesses the RRU to the 5G base station according to the parameter information of the RRU;
and forwarding the parameter information of the RRU to a 4G base station so that the 4G base station can access the RRU to the 4G base station according to the parameter information of the RRU.
4. The RRU management method based on a multimode base station according to claim 1, wherein the control information is a parameter query message;
the 5G baseband of the 5G base station in the multimode base station receives control information of RRU sent by the 4G base station and the 5G base station in the multimode base station, and forwards the control information to the RRU, comprising:
receiving a parameter query message of the 4G base station to the RRU, which is sent by the 4G base station;
receiving a parameter query message of the 5G base station to the RRU, which is sent by the 5G base station;
and forwarding parameter query messages of the 4G base station and the 5G base station to the RRU through an IR interface of the multimode base station so that the RRU can query the parameter information of the RRU according to the parameter query messages.
5. The RRU management method based on a multimode base station according to claim 1, wherein the control information is a parameter configuration message;
the 5G baseband of the 5G base station in the multimode base station receives control information of RRU sent by the 4G base station and the 5G base station in the multimode base station, and forwards the control information to the RRU, comprising:
receiving a parameter configuration message of the 4G base station to the RRU, which is sent by the 4G base station;
Receiving a parameter configuration message of the 5G base station to the RRU, which is sent by the 5G base station;
and forwarding parameter configuration information of the RRU to the RRU through an IR interface of the multimode base station by the 4G base station and the 5G base station so that the RRU can configure the parameter information of the RRU according to the parameter configuration information.
6. An RRU management system based on a multimode base station, comprising:
the control module is used for receiving control information of the RRU sent by the 4G base station and the 5G base station in the multimode base station and forwarding the control information to the RRU;
the response module is used for receiving the response message of the control information sent by the RRU and sending the response message to the 4G base station and/or the 5G base station;
the control module and the response module are positioned at a 5G baseband of a 5G base station in the multimode base station;
before the 5G baseband of the 5G base station in the multimode base station receives the control information of the 5G base station and the 4G base station in the multimode base station to the RRU, the method further includes:
the 5G base station receives a first starting notification sent by the 4G base station, and if a response result of the first starting notification is returned to the 4G base station within a first preset duration, the 5G base station is set to be in a master control mode; wherein the 5G base station and the 4G base station are co-framed;
The 5G base station sends a second starting notice to the 4G base station, and if the 5G base station receives a response result of the second starting notice returned by the 4G base station within a second preset time period and does not return a response result of the first starting notice to the 4G base station within the first preset time period, the 4G base station is set to a cooperative control mode;
the 5G baseband of the 5G base station in the multimode base station receives the response message of the control information sent by the RRU, and sends the response message to the 4G base station and/or the 5G base station, including:
the 5G baseband receives a response message of the RRU to the control information, and sends the response message to the 5G base station or the 4G base station corresponding to the slot number according to the slot number of a frame of which the 5G base station and the 4G base station are in a common frame in the response message; wherein, the slot number is pre-associated with the 5G base station or the 4G base station;
the control information comprises access, parameter inquiry, parameter configuration and RRU upgrading information.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the multimode base station based RRU management method according to any one of claims 1 to 5 when executing the program.
8. A non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of the multimode base station based RRU management method of any one of claims 1 to 5.
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