CN113676836A - Wireless communication method, wireless communication device, electronic equipment and storage medium - Google Patents
Wireless communication method, wireless communication device, electronic equipment and storage medium Download PDFInfo
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- CN113676836A CN113676836A CN202110899975.2A CN202110899975A CN113676836A CN 113676836 A CN113676836 A CN 113676836A CN 202110899975 A CN202110899975 A CN 202110899975A CN 113676836 A CN113676836 A CN 113676836A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the application provides a wireless communication method, a wireless communication device, an electronic device and a storage medium, which are applied to a fifth generation mobile communication (5G) network and comprise the following steps: if the first base station receives the NAS message sent by the core network, the first base station caches the NAS message; the first base station determines an RNA region of the terminal equipment; the first base station pages the terminal equipment based on the RNA area; if the paging at the first base station is determined to be successful, the first base station processes the NAS message according to whether the terminal equipment is successfully recovered to the connection state; or; if the paging at the second base station is determined to be successful, the first base station processes the NAS message according to whether the context information of the terminal equipment is successfully acquired or not; the base station corresponding to the RNA region comprises a first base station and a second base station, and the second base station is one of adjacent base stations of the first base station. According to the embodiment of the application, the wireless communication efficiency can be improved and unnecessary data transmission can be reduced through the optimized wireless communication method.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a wireless communication method and apparatus, an electronic device, and a storage medium.
Background
With the development of the fifth generation mobile communication (5G) network, in order to reduce power consumption on the terminal side, the terminal device in the inactive state does not need to maintain a wireless connection with the base station. When a core network needs to establish service or data transmission for a device that is not in a connected state, a base station managed by the core network needs to be controlled to page the terminal device, and the terminal device is enabled to recover the connected state. With the rapid development of wireless communication, the number of mobile users increases in geometric form, and a mobile communication network system not only needs to meet the service coverage demand caused by the increasing increase of users, but also needs to meet the high requirement of users on service quality, so that the method has a very important significance for the optimization of the wireless communication process. Meanwhile, in the application scenario trend of the communication network, the devices accessing the network are far from being limited to the mobile user equipment, and the types and the number of the devices are increased, so that the processing efficiency of the wireless communication method is also required to be higher and higher.
For the case that the serving base station receives the NAS message, which is a downlink non-access stratum message sent from the core network, the 3GPP standard does not provide a processing procedure. When the processing method of the NAS message is ambiguous, it may cause inefficient wireless communication and increase unnecessary data transmission.
Disclosure of Invention
In view of the defects in the prior art, embodiments of the present disclosure provide a wireless communication method, an apparatus, an electronic device, and a storage medium, which are used to solve the problem of low wireless communication efficiency.
The embodiment of the application provides a wireless communication method, which is applied to a fifth generation mobile communication (5G) network and comprises the following steps: if the first base station receives the NAS message sent by the core network, the first base station caches the NAS message; the NAS message carries identification information of the terminal equipment; the first base station determines an RNA region of the terminal equipment; the first base station pages the terminal equipment based on the RNA area; if the paging at the first base station is determined to be successful, the first base station processes the NAS message according to whether the terminal equipment is successfully recovered to the connection state; or; if the paging at the second base station is determined to be successful, the first base station processes the NAS message according to whether the context information of the terminal equipment is successfully acquired or not; the base station corresponding to the RNA region comprises a first base station and a second base station, and the second base station is one of adjacent base stations of the first base station.
In an optional implementation manner, if it is determined that the terminal device successfully recovers to the connected state, the first base station sends an NAS message to the terminal device; or; and if the terminal equipment is determined not to be successfully restored to the connection state, deleting the NAS message by the first base station.
In an optional implementation manner, if it is determined that the first base station successfully acquires the context information of the terminal device, the first base station sends a context reply message to the second base station; the context reply message comprises a NAS message; the context reply message is used for indicating the second base station to send the NAS message to the terminal equipment; or; and if the first base station is determined not to correctly acquire the context information of the terminal equipment, deleting the NAS message and sending a context acquisition failure message to the second base station by the first base station.
In an optional implementation manner, if it is determined that the first base station does not successfully send the NAS message to the terminal device, the first base station sends a first instruction to the core network, where the first instruction is used to instruct the core network to retransmit the NAS message to the first base station.
In an optional implementation manner, the context reply message is used to instruct the second base station to send a second instruction to the core network when the second base station does not successfully send the NAS message to the terminal device, and the second instruction is used to instruct the core network to retransmit the NAS message to the second base station.
In an optional embodiment, if it is determined that the RNA region includes a cell corresponding to the first base station and/or the RNA region includes a cell corresponding to the neighboring base station, the first base station pages the terminal device in the cell corresponding to the first base station and/or pages the terminal device in the cell corresponding to the second base station through the second base station.
Accordingly, an embodiment of the present disclosure provides a wireless communication apparatus, including: the cache module is used for caching the NAS message if the NAS message sent by the core network is received; the NAS message contains the identification information of the terminal equipment; the RNA region determining module is used for determining the RNA region of the terminal equipment; the paging module is used for paging the terminal equipment based on the RNA area; the NAS message processing module is used for processing the NAS message according to whether the terminal equipment is successfully recovered to a connection state or not if the paging at the first base station is determined to be successful; or; if the paging at the second base station is determined to be successful, processing the NAS message according to whether the context information of the terminal equipment is successfully acquired; the base stations corresponding to the RNA region comprise a first base station and a second base station, and the second base station is a neighboring base station of the first base station.
In an optional implementation manner, the NAS message processing module is configured to send, to the terminal device, an NAS message if it is determined that the terminal device is successfully restored to the connected state; or; and if the terminal equipment is determined not to be successfully restored to the connection state, deleting the NAS message by the first base station.
In an optional implementation manner, the NAS message processing module is configured to send a context reply message to the second base station if it is determined that the first base station successfully obtains the context information of the terminal device; the context reply message comprises a NAS message; the context reply message is used for indicating the second base station to send the NAS message to the terminal equipment; or; and if the first base station is determined not to correctly acquire the context information of the terminal equipment, deleting the NAS message and sending a context acquisition failure message to the second base station by the first base station.
In an optional implementation manner, the NAS message processing module is configured to send a first instruction to the core network if it is determined that the first base station does not successfully send the NAS message to the terminal device, where the first instruction is used to instruct the core network to retransmit the NAS message to the first base station.
In an optional implementation manner, the context reply message is used to instruct the second base station to send a second instruction to the core network when the second base station does not successfully send the NAS message to the terminal device, and the second instruction is used to instruct the core network to retransmit the NAS message to the second base station.
In an optional embodiment, the paging module is configured to, if it is determined that the RNA region includes a cell corresponding to the first base station and/or the RNA region includes a cell corresponding to the neighboring base station, page, by the first base station, the terminal device in the cell corresponding to the first base station and/or page, by the second base station, the terminal device in the cell corresponding to the second base station.
Accordingly, an embodiment of the present disclosure provides an electronic device, which includes a processor and a memory, where at least one instruction, at least one program, a code set, or a set of instructions is stored in the memory, and the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by the processor to implement the above-mentioned wireless communication method.
Accordingly, an embodiment of the present disclosure provides a computer-readable storage medium, wherein at least one instruction, at least one program, a set of codes, or a set of instructions is stored in the storage medium, and the at least one instruction, the at least one program, the set of codes, or the set of instructions is loaded and executed by a processor to implement the above-mentioned wireless communication method.
Accordingly, an embodiment of the present disclosure provides a computer program product, wherein the computer program product includes a computer program, the computer program is stored in a readable storage medium, and at least one processor of the computer device reads and executes the computer program from the readable storage medium, so that the computer device executes the above-mentioned wireless communication method.
The embodiment of the application has the following beneficial effects: according to the method and the device, the wireless communication efficiency can be improved and unnecessary data transmission can be reduced through an optimized wireless communication method.
Drawings
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic application scenario diagram of a wireless communication method according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a wireless communication method according to an embodiment of the present application;
fig. 3 is a schematic flowchart of step S206 shown in fig. 2 provided in an embodiment of the present application;
fig. 4 is a schematic flowchart of step S208 shown in fig. 2 provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a wireless communication apparatus according to an embodiment of the present application;
fig. 6 is a block diagram of a hardware structure of a server in a wireless communication method according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. It should be apparent that the described embodiment is only one embodiment of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
An "embodiment" as referred to herein relates to a particular feature, structure, or characteristic that may be included in at least one implementation of the present application. In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only used for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices/systems or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be taken as limiting the present application. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than described or illustrated herein. Furthermore, the terms "comprises," "comprising," and "having"/"is," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system/apparatus, article, or apparatus that comprises a list of steps or elements/modules is not necessarily limited to those steps or elements/modules expressly listed, but may include other steps or elements/modules not expressly listed or inherent to such process, method, article, or apparatus.
Please refer to fig. 1, which is a schematic diagram illustrating an application environment of a wireless communication method according to an embodiment of the present application, including: the device 101, a first base station 102, a second base station 103, and a core network 104.
In this embodiment, the device 101 may be a target receiving object for the core network 104 to transmit the NAS message through the first base station 102 or the second base station 103. Alternatively, the device 101 may include, but is not limited to, smart phones, desktop computers, tablet computers, laptop computers, smart speakers, digital assistants, in-vehicle systems, Augmented Reality (AR)/Virtual Reality (VR) devices, smart wearable devices, and the like. The software running on the electronic device may be an application program, an applet, or the like. Alternatively, the operating system running on the electronic device may include, but is not limited to, an android system, an IOS system, linux, windows, Unix, and the like.
In the embodiment of the present disclosure, in a 5G network, when the device 101 is in the RRC INACTIVE state, i.e., the inactive state, the device 101 does not need to notify the base station when moving within the RNA region where it is configured; the first base station 102 is a base station in the RNA region that has communicated with the device 101 last time, and the first base station 102 may store the context of the device 101; the neighboring base stations of the first base station may be base stations having a communication interface with the first base station 102, and the second base station 103 may be one of the neighboring base stations of the first base station. When the core network 103 wants to send the NAS message to the device 101 that is not in the connected state, it needs to send the NAS message to the device 101 through the base stations managed by the core network, including the first base station 102 and the second base station 103.
While specific embodiments of a wireless communication method provided herein are described below, fig. 2 is a flow chart of a wireless communication method provided herein, and the present specification provides the method operation steps as shown in the embodiments or the flow chart, more or fewer operation steps may be included based on conventional or non-inventive labor. The order of steps recited in the embodiments is only one of many possible orders of execution and does not represent the only order of execution, and in actual execution, the steps may be performed sequentially or in parallel as in the embodiments or methods shown in the figures (e.g., in the context of parallel processors or multi-threaded processing). Specifically, as shown in fig. 2, the method includes:
s201: judging whether the first base station receives an NAS message sent by a core network; if yes, the process proceeds to step S202.
S202: the first base station buffers the NAS message.
According to some alternative embodiments, the first base station may be the last base station to communicate with the device. Optionally, in the 5G network, when the device is in RRC INACTIVE, that is, in an inactive state, the context information of the device may be stored in the first base station, and the first base station remains connected to the core network.
According to some optional embodiments, the NAS message carries identification information of the terminal device. Optionally, the NAS message is a downlink non-access stratum message, and may include a short message and NAS signaling.
Alternatively, the terminal device may be the device 101 as illustrated in fig. 1. When the terminal device is in the inactive state, the 3GPP standard does not define the processing flow of the NAS message, and the effective NAS message processing method can improve the processing efficiency of the NAS message.
In order to enable the first base station receiving the NAS message to determine which terminal device is directed to, the identity information of the terminal device may be carried in the NAS message. In an alternative embodiment, the identity information may be referred to as identification information of the terminal device. Optionally, the identification information of the terminal device may include one or more of communication number information of the terminal device, subscription data information, a unique identifier of the terminal device, and information of the affiliated base station.
S203: the first base station determines the RNA region of the terminal device.
In this disclosure, the RNA region refers to a radio access network notification region configured by the core network to the terminal device through the first base station for paging the device when the terminal device enters an inactive state.
Optionally, the first base station may obtain an RNA region of the terminal device based on the identification information of the terminal device.
S204: the first base station pages the terminal device based on the RNA region.
According to some alternative embodiments, the base station to which the RNA region corresponds may be the first base station and a neighboring base station of the first base station. In some possible embodiments, the neighbouring base station of the first base station may be understood as a base station connected to the first base station via an Xn interface. Specifically, the neighboring base station of the first base station may communicate data and instructions with the first base station via an Xn interface.
Three alternative embodiments of the first base station for paging the terminal device based on the RNA region are described below:
first, if it is determined that the RNA region includes a cell corresponding to the first base station and a cell corresponding to a neighboring base station of the first base station, the first base station pages the terminal device in the cell corresponding to the first base station, and pages the terminal device in the cell corresponding to the neighboring base station of the first base station through the neighboring base station of the first base station.
Secondly, if the RNA area is determined to contain the cell corresponding to the first base station, the first base station pages the terminal equipment in the cell corresponding to the first base station.
Thirdly, if the RNA area is determined to contain the cell corresponding to the adjacent base station of the first base station, the first base station pages the terminal equipment in the cell corresponding to the adjacent base station of the first base station through the adjacent base station of the first base station.
In the embodiment of the present disclosure, there may be different numbers of neighboring base stations of the first base station based on different application scenarios, and the neighboring base station of each first base station includes a cell in the RNA region. Optionally, the first base station may send a paging instruction to the neighboring base station of the first base station, where the paging instruction is used to instruct the neighboring base station of the first base station to page the terminal device in the corresponding cell. Alternatively, the paging command may be an XN paging message.
S205: judging whether paging is successful at the first base station; if yes, the process proceeds to step S206.
According to some optional embodiments, if the first base station detects the first paging success information within the paging time threshold, it is determined that the paging is successful at the first base station. Optionally, the first paging success information may be an instruction indicating to switch the terminal device back to the connected state, where the instruction is sent by the first centralized unit of the first base station to the first distributed unit of the first base station. Alternatively, the first paging success information may be an RRC resume request message, i.e., resume connection request information.
Optionally, the paging timer is started while the paging process is started, if the paging success information is detected before the paging timer is overtime, it is determined that the paging is successful, the first base station stops the timer, and enters a paging success processing flow, so as to control the terminal device to transition from the inactive state to the connected state.
The method for determining whether paging is successful at the first base station is only exemplary, and the method for determining whether paging is successful at the first base station is not limited herein.
S206: and the first base station processes the NAS message according to whether the equipment is successfully recovered to the connection state.
According to some optional embodiments, if it is determined that the paging at the first base station is successful, the first base station processes the NAS message according to whether the device is successfully restored to the connected state.
The method in step S206 is further explained below based on the exemplary flow illustrated in fig. 3. Fig. 3 is a schematic flowchart of step S206 shown in fig. 2 provided in an embodiment of the present application, and includes:
s301: judging whether the terminal equipment is successfully restored to a connection state; if yes, go to step S302; if not, the process proceeds to step S303.
According to some optional embodiments, the first base station sends a recovery instruction to the terminal device, and if the first base station detects that the first recovery success information sent by the terminal device is within the paging time threshold and the first recovery success information is accurate, it is determined that the terminal device successfully recovers to the connected state. Optionally, if the first recovery success information has an error, or a base station does not detect the first recovery success information sent by the terminal device within the paging time threshold due to reasons such as poor radio link conditions, it is determined that the terminal device is not successfully recovered to the connected state. Alternatively, the resume instruction may be an RRC resume message, i.e., a radio connection resume message. Optionally, the first recovery success message may be an RRC resume complete message.
Optionally, the recovery timer is started while the recovery instruction is sent, and if first recovery success information sent by the terminal device is detected before the recovery timer expires, it is determined that the terminal device successfully recovers to the connected state, and the first base station stops recovering the recovery timer.
The method for determining whether to successfully recover to the connected state is only exemplary, and the method for determining whether to successfully recover to the connected state is not limited herein, and in other embodiments, the method for determining whether to successfully recover to the connected state may be implemented by other optional methods.
S302: the first base station sends the NAS message to the terminal equipment.
According to some optional embodiments, if it is determined that the terminal device successfully recovers to the connected state, the first base station may send a NAS message to the terminal device. Optionally, the first base station may encapsulate the NAS message in a wireless signal, and transmit the wireless signal to the terminal device.
According to some optional embodiments, if it is determined that the first base station does not successfully send the NAS message to the terminal device, the first base station sends a first instruction to the core network, where the first instruction is used to instruct the core network to retransmit the NAS message to the first base station or to the terminal device. Optionally, the NAS message may not be successfully sent due to internal error, poor radio link condition, and the like.
S303: the first base station deletes the NAS message.
According to some optional embodiments, if it is determined that the terminal device is not successfully restored to the connected state, the first base station deletes the NAS message corresponding to the terminal device. Optionally, when the terminal device reenters the connected state, the core network retransmits the NAS message.
The following proceeds to the explanation of step S207 in the method illustrated in fig. 2:
s207: judging whether paging is successful at the second base station; if yes, the process proceeds to step S208.
According to some optional embodiments, the base station corresponding to the RNA region includes a first base station and a second base station, and the second base station is one of neighboring base stations of the first base station.
According to some optional embodiments, if the first base station detects the second paging success information within the paging time threshold, it is determined that the paging is successful at the second base station. Optionally, the second paging success information may be an instruction instructing the first base station to send the context information of the device to the second base station, where the instruction is sent to the first concentrating unit of the first base station by the second concentrating unit of the second base station. Alternatively, the second paging success information may be a RETRIEVE UE CONTEXT REQUEST message, i.e., a CONTEXT REQUEST message.
According to some optional embodiments, if it is determined that the paging fails at both the first base station and the second base station, the first base station deletes the NAS message of the terminal device.
The above method for determining whether paging is successful at the second base station is only exemplary, and the method for determining whether paging is successful at the second base station is not limited herein.
S208: and the first base station processes the NAS message according to whether the context information of the terminal equipment is successfully acquired.
According to some optional embodiments, if it is determined that the paging at the second base station is successful, the first base station processes the NAS message according to whether the context information of the device is successfully acquired.
The method in step S208 is further explained below based on the exemplary flow illustrated in fig. 4. Fig. 4 is a schematic flowchart of step S208 shown in fig. 2 provided in an embodiment of the present application, and includes:
s401: judging whether the first base station successfully acquires the context information of the terminal equipment; if yes, go to step S402; if not, the process proceeds to step S403.
According to some optional embodiments, whether the context information of the terminal device is successfully acquired may be determined based on whether the first base station stores the context information of the terminal device, whether the context information is successfully transmitted in the first base station, and whether the first base station accurately identifies a context request message sent by a neighboring base station of the first base station.
Optionally, if the first base station does not store the context information of the terminal device, or the context information of the terminal device is lost, it is determined that the first base station does not successfully acquire the context information of the terminal device. Optionally, if the context information is not successfully transmitted in the first base station, it is determined that the first base station does not successfully acquire the context information of the terminal device. Optionally, if the first base station does not accurately identify the context request message sent by the first base station, that is, the first base station cannot obtain the indication of obtaining the context information of the terminal device, it is determined that the first base station does not successfully obtain the context information of the terminal device.
The method for determining whether the first base station successfully acquires the context information of the terminal device is only exemplary, and the method for determining whether the first base station successfully acquires the context information of the terminal device is not limited herein.
S402: the first base station sends a context reply message to the second base station, wherein the context reply message comprises a NAS message, and the context reply message is used for instructing the second base station to send the NAS message to the terminal equipment.
According to some optional embodiments, if it is determined that the first base station successfully acquires the context information of the terminal device, the first base station sends a context reply message to the second base station, where the context reply message includes a NAS message, and the context reply message is used to instruct the second base station to send the NAS message to the terminal device.
Optionally, the first base station may put the NAS message into a RETRIEVE UE CONTEXT RESPONSE message, i.e. a CONTEXT reply message. Optionally, the first base station may put the NAS message into noncritical extension in the RRC Context IE structure in the Context response message. The compatibility of the NonCritical extension is good, the NAS information can be conveniently transmitted among the base stations, and communication conflict can not be caused.
Optionally, if the second base station receives the context reply message and recognizes that the context reply message includes the NAS message, the second base station buffers the NAS message. Optionally, the second base station may identify a NAS message contained in the noncritical extension in the RRC Context IE structure, and buffer the NAS message.
According to some optional embodiments, the context reply message may be used to instruct the second base station to delete the NAS message corresponding to the terminal device in case it is determined that the terminal device is not successfully restored to the connected state. Optionally, when the terminal device reenters the connected state, the core network retransmits the NAS message.
According to some optional embodiments, the context reply message may be used to instruct the second base station to send a NAS message to the terminal device in case that it is determined that the terminal device successfully reverts to the connected state. Optionally, the second base station may encapsulate the NAS message in a wireless signal, and transmit the wireless signal to the terminal device.
According to some optional embodiments, the context reply message may be used to instruct the second base station to issue a recovery instruction to the terminal device, and if the second base station detects that the second recovery success information sent by the terminal device is within the paging time threshold and the second recovery success information is accurate, it is determined that the terminal device successfully recovers to the connected state. Optionally, if the second recovery success information has an error, or the second base station does not detect the second recovery success information sent by the terminal device within the paging time threshold due to reasons such as poor radio link conditions, it is determined that the terminal device is not successfully recovered to the connected state. Alternatively, the resume instruction may be an RRC resume message, i.e., a radio connection resume message. Optionally, the second recovery success message may be an RRC resume complete message.
Optionally, the second base station may start the recovery timer while sending the recovery instruction, and if the second recovery success information sent by the terminal device is detected before the recovery timer expires, it is determined that the terminal device successfully recovers to the connected state, and the second base station stops the recovery timer.
According to some optional embodiments, the context reply message may be used to instruct the second base station to send a second instruction to the core network when the second base station does not successfully send the NAS message to the terminal device, and the second instruction may be used to instruct the core network to retransmit the NAS message to the second base station. Optionally, the second instruction may be a NAS Non Delivery Indication message. Optionally, the NAS message may not be successfully sent due to internal error, poor radio link condition, and the like.
S403: and the first base station deletes the NAS message and sends a context acquisition failure message to the second base station.
According to some optional embodiments, if it is determined that the first base station does not successfully acquire the context information of the terminal device, the first base station deletes the NAS message, and sends a context acquisition failure message to the second base station. Optionally, the context acquisition failure message may be used to instruct the second base station to send a request instruction to the core network, where the request instruction is used to instruct the core network to send the context information of the terminal device to the second base station.
In the embodiment of the present application, if no specific subsequent processing flow for optimizing the NAS message is applied after the NAS message is received, the serving base station may discard the NAS message; the core network can only resend the message after the NAS message timer is overtime, or the serving base station informs the core network of the DL NAS sending failure through an NAS Non Delivery Indication message, and the core network resends the NAS message to the target base station after the target base station path switch flow. Based on the processing flow, the message transmission between the core network and the base station is increased, and the processing efficiency is lower. According to the wireless communication method provided by the application, the efficient NAS message processing method is provided, and the paging communication process is combined, so that the transmission of wireless data is reduced to the greatest extent, the NAS message transmitted from a core network to a service base station is optimally processed, and the wireless communication efficiency is improved.
An embodiment of the present application further provides a wireless communication device, and fig. 5 is a schematic structural diagram of the wireless communication device provided in the embodiment of the present application, and as shown in fig. 5, the wireless communication device includes:
a caching module 501, configured to cache an NAS message sent by a core network if the NAS message is received; the NAS message contains identification information of the terminal device.
An RNA region determining module 502 for determining an RNA region of the terminal device.
A paging module 503, configured to page the terminal device based on the RNA region.
An NAS message processing module 504, configured to, if it is determined that paging is successful at the first base station, process an NAS message according to whether the terminal device is successfully restored to the connected state; or; if the paging at the second base station is determined to be successful, processing the NAS message according to whether the context information of the terminal equipment is successfully acquired; the base stations corresponding to the RNA region comprise a first base station and a second base station, and the second base station is a neighboring base station of the first base station.
In an optional implementation manner, the NAS message processing module 504 is configured to send, to the terminal device, an NAS message if it is determined that the terminal device successfully recovers to the connected state; or; and if the terminal equipment is determined not to be successfully restored to the connection state, deleting the NAS message by the first base station.
In an optional implementation manner, the NAS message processing module 504 is configured to send a context reply message to the second base station if it is determined that the first base station successfully obtains the context information of the terminal device; the context reply message comprises a NAS message; the context reply message is used for indicating the second base station to send the NAS message to the terminal equipment; or; and if the first base station is determined not to correctly acquire the context information of the terminal equipment, deleting the NAS message and sending a context acquisition failure message to the second base station by the first base station.
In an optional implementation manner, the NAS message processing module 504 is configured to send a first instruction to the core network if it is determined that the first base station does not successfully send the NAS message to the terminal device, where the first instruction is used to instruct the core network to retransmit the NAS message to the first base station.
In an optional implementation manner, the context reply message is used to instruct the second base station to send a second instruction to the core network when the second base station does not successfully send the NAS message to the terminal device, and the second instruction is used to instruct the core network to retransmit the NAS message to the second base station.
In an optional embodiment, the paging module 503 is configured to, if it is determined that the RNA region includes a cell corresponding to the first base station and/or the RNA region includes a cell corresponding to the neighboring base station, page the terminal device by the first base station in the cell corresponding to the first base station and/or page the terminal device by the second base station in the cell corresponding to the second base station.
The device and method embodiments in the embodiments of the present application are based on the same application concept.
The present application further provides an electronic device, which may be disposed in a server to store at least one instruction, at least one program, a code set, or a set of instructions related to implementing a wireless communication method in the method embodiment, where the at least one instruction, the at least one program, the code set, or the set of instructions is loaded from the memory and executed to implement the wireless communication method.
The method provided by the embodiment of the application can be executed in a computer terminal, a server or a similar operation device. Taking the example of the server running on the server, fig. 6 is a hardware structure block diagram of the server of the wireless communication method provided in the embodiment of the present application. As shown in fig. 6, the server 600 may have a relatively large difference due to different configurations or performances, and may include one or more Central Processing Units (CPUs) 610 (the processor 610 may include but is not limited to a Processing device such as a microprocessor MCU or a programmable logic device FPGA), a memory 630 for storing data, and one or more storage media 620 (e.g., one or more mass storage devices) for storing applications 623 or data 622. Memory 630 and storage medium 620 may be, among other things, transient or persistent storage. The program stored on the storage medium 620 may include one or more modules, each of which may include a series of instruction operations for the server. Still further, the central processor 610 may be configured to communicate with the storage medium 620 to execute a series of instruction operations in the storage medium 620 on the server 600. The server 600 may also include one or more power supplies 660, one or more wired or wireless network interfaces 650, one or more input-output interfaces 640, and/or one or more operating systems 621, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, and so forth.
The input/output interface 640 may be used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the server 600. In one example, i/o Interface 640 includes a Network adapter (NIC) that may be coupled to other Network devices via a base station to communicate with the internet. In one example, the input/output interface 640 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
It will be understood by those skilled in the art that the structure shown in fig. 6 is only an illustration and is not intended to limit the structure of the electronic device. For example, server 600 may also include more or fewer components than shown in FIG. 6, or have a different configuration than shown in FIG. 6.
The present embodiments also provide a storage medium, which may be disposed in a server to store at least one instruction, at least one program, a code set, or a set of instructions related to implementing a wireless communication method in the method embodiments, where the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by the processor to implement the wireless communication method.
Optionally, in this embodiment, the storage medium may be located in at least one network server of a plurality of network servers of a computer network. Optionally, in this embodiment, the storage medium may include, but is not limited to, a storage medium including: various media that can store program codes, such as a usb disk, a Read-only Memory (ROM), a removable hard disk, a magnetic disk, or an optical disk.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be noted that: the foregoing sequence of the embodiments of the present application is for description only and does not represent the superiority and inferiority of the embodiments, and the specific embodiments are described in the specification, and other embodiments are also within the scope of the appended claims. In some cases, the actions or steps recited in the claims can be performed in the order of execution in different embodiments and achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown or connected to enable the desired results to be achieved, and in some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on differences from other embodiments. In particular, for the embodiments of the apparatus/system, since they are based on embodiments similar to the method embodiments, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiments.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.
Claims (10)
1. A wireless communication method applied to a fifth generation mobile communication (5G) network, comprising:
if a first base station receives an NAS message sent by a core network, caching the NAS message by the first base station; the NAS message carries identification information of the terminal equipment;
the first base station determines an RNA region of the terminal equipment;
the first base station pages the terminal device based on the RNA region;
if the paging at the first base station is determined to be successful, the first base station processes the NAS message according to whether the terminal equipment is successfully recovered to a connection state or not; or; if the paging at the second base station is determined to be successful, the first base station processes the NAS message according to whether the context information of the terminal equipment is successfully acquired or not;
the base station corresponding to the RNA region comprises the first base station and the second base station, and the second base station is one of adjacent base stations of the first base station.
2. The wireless communication method according to claim 1, wherein if it is determined that the paging at the first base station is successful, the first base station processes the NAS message according to whether the terminal device successfully recovers to the connected state, including:
if the terminal equipment is determined to be successfully restored to the connection state, the first base station sends the NAS message to the terminal equipment;
or;
and if the terminal equipment is determined not to be successfully restored to the connection state, deleting the NAS message by the first base station.
3. The wireless communication method according to claim 1, wherein if it is determined that the paging at the second base station is successful, the processing, by the first base station, the NAS message according to whether the context information of the terminal device is successfully acquired comprises:
if the first base station is determined to successfully acquire the context information of the terminal equipment, the first base station sends a context reply message to the second base station; the context reply message comprises the NAS message; the context reply message is used for instructing the second base station to send the NAS message to the terminal equipment;
or;
and if the first base station is determined not to correctly acquire the context information of the terminal equipment, deleting the NAS message and sending a context acquisition failure message to the second base station by the first base station.
4. The method according to claim 2, wherein after the first base station sends the NAS message to the terminal device if the terminal device successfully recovers to the connected state, the method further comprises:
if it is determined that the first base station does not successfully send the NAS message to the terminal device, the first base station sends a first instruction to a core network, where the first instruction is used to instruct the core network to retransmit the NAS message to the first base station.
5. The wireless communication method according to claim 3, wherein the context reply message is used to instruct the second base station to send a second instruction to the core network, where the second instruction is used to instruct the core network to retransmit the NAS message to the second base station, if the NAS message is not successfully sent by the second base station to the terminal device.
6. The wireless communication method of claim 1, wherein the first base station paging the terminal device based on the RNA region comprises:
if the RNA region is determined to contain the cell corresponding to the first base station and/or the RNA region contains the cells corresponding to the adjacent base stations, the first base station pages the terminal equipment in the cell corresponding to the first base station and/or pages the terminal equipment in the cell corresponding to the second base station through the second base station.
7. An apparatus for wireless communication, the apparatus comprising:
the cache module is used for caching the NAS message if the NAS message sent by a core network is received; the NAS message contains identification information of the terminal equipment;
the RNA region determining module is used for determining the RNA region of the terminal equipment;
a paging module for paging the terminal device based on the RNA region;
an NAS message processing module, configured to process the NAS message according to whether the terminal device successfully recovers to the connected state if it is determined that the paging is successful at the first base station; or; if the paging at the second base station is determined to be successful, processing the NAS message according to whether the context information of the terminal equipment is successfully acquired or not;
the base stations corresponding to the RNA region comprise the first base station and the second base station, and the second base station is a neighboring base station of the first base station.
8. An electronic device comprising a processor and a memory, wherein at least one instruction, at least one program, a set of codes, or a set of instructions is stored in the memory, and wherein the at least one instruction, the at least one program, the set of codes, or the set of instructions is loaded and executed by the processor to implement the wireless communication method of any of claims 1-6.
9. A computer readable storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the method of wireless communication according to any one of claims 1-6.
10. A computer program product, characterized in that the computer program product comprises a computer program, which is stored in a readable storage medium, from which at least one processor of a computer device reads and executes the computer program, causing the computer device to perform the wireless communication method according to any one of claims 1-6.
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