CN109756619B - Configuration method of terminal context, network equipment and terminal - Google Patents
Configuration method of terminal context, network equipment and terminal Download PDFInfo
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- CN109756619B CN109756619B CN201711083998.6A CN201711083998A CN109756619B CN 109756619 B CN109756619 B CN 109756619B CN 201711083998 A CN201711083998 A CN 201711083998A CN 109756619 B CN109756619 B CN 109756619B
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- 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
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Abstract
The embodiment of the invention provides a configuration method of a terminal context, network equipment and a terminal, wherein the configuration method comprises the following steps: establishing a context of a terminal supporting an inactive state on a network device and the terminal, and controlling the connection of a physical layer of the terminal to be in the inactive state when the connection is not interacted with the network device; and when the terminal and the network equipment interact, activating the connection of the physical layer of the terminal. The scheme of the invention can ensure the synchronization timeliness of the terminal and the network side and avoid the time delay caused by end-to-end synchronization through RRC signaling.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for configuring a context of a terminal, a network device, and a terminal.
Background
In 5G it is proposed to introduce an inactive state for the UE (terminal) and to specify that the UE context and data are both stored on the RAN (radio access network).
And when the UE needs to interact with the network side on the corresponding RAN, the UE context and the data stored on the RAN are used for completing the corresponding interaction. In order to use the context and data, RRC (radio resource control) signaling configuration procedure is first started, end-to-end context synchronization is completed, and then data transceiving is performed.
The purpose of introducing an inactive state into 5G is that the UE can complete the interaction with the network side with low delay, and the above-mentioned manner of storing the UE context and data into RAN cannot avoid the delay of completing the end-to-end UE context synchronization in the RRC signaling process.
Disclosure of Invention
The invention provides a configuration method of a terminal context, network equipment and a terminal. The time delay caused by the completion of the end-to-end UE context synchronization through the RRC signaling process is avoided.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
a configuration method of a terminal context comprises the following steps:
establishing a context of a terminal supporting an inactive state on network equipment, and controlling the connection of a physical layer of the terminal to be in the inactive state when the connection is not interacted with the network equipment;
and when the terminal and the network equipment interact, activating the connection of the physical layer of the terminal.
Wherein the establishing of the context of the terminal supporting the inactive state on the network device comprises:
and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the network equipment.
The configuration method of the terminal context further comprises the following steps:
and reserving the context of the terminal stored in the network equipment, the terminal and the wireless receiving network equipment which is respectively in communication connection with the terminal and the network equipment when the terminal is in a connection state.
The step of reserving the context of the terminal stored in the network device, the terminal and the wireless receiving network device which is respectively connected with the terminal and the network device in a communication way when the terminal is in a connection state comprises the following steps:
the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved;
reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and
and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
The method for establishing the context of the terminal supporting the inactive state on the network equipment and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network equipment comprises the following steps:
when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the network equipment, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment by not establishing the connection of the physical layer of the terminal.
When the terminal directly enters the inactive state, establishing a context of the terminal supporting the inactive state on the network device, including:
when the terminal directly enters an inactive state, the network equipment establishes the context and corresponding configuration information of the terminal at L2/L3; the network equipment establishes the context and corresponding configuration information of an NG interface between the network equipment and a core network; and the network equipment establishes the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
When the terminal and the network equipment interact, the step of activating the connection of the physical layer of the terminal comprises the following steps:
when the terminal and the network equipment interact, the synchronization of the air interface links of the terminal and the network equipment is completed in a quick interaction mode of a medium access control MAC layer or a physical layer.
The step of completing synchronization of an air interface link of the terminal and the network equipment in a rapid interaction mode of a Media Access Control (MAC) layer or a physical layer comprises the following steps:
and completing the synchronization of the air interface link of the terminal and the network equipment through a media access control (MAC CE) signaling of an MAC layer or new Downlink Control Information (DCI) transmitted by a Physical Downlink Control Channel (PDCCH) of a physical layer.
When the terminal moves, the wireless access network is a network device initially accessed by the terminal.
Wherein, when the terminal moves, the wireless access network is not the network equipment of the initial access of the terminal.
The configuration method of the terminal context further comprises the following steps:
and when the network equipment is source network equipment connected with the terminal, the source network equipment sends uplink synchronous information used by target network equipment to which the terminal is to move to the terminal.
The configuration method of the terminal context further comprises the following steps:
when the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, the target network equipment sends broadcast information to the terminal, so that if the terminal judges that the target network equipment is the target network equipment appointed by the source network equipment through the broadcast information of the target network equipment, the terminal can directly initiate synchronization with the target network equipment; otherwise, the terminal selects the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
The configuration method of the terminal context further comprises the following steps: and when the terminal leaves the coverage range of the wireless access network, deleting the context of the terminal on the wireless access network.
Wherein, when the terminal leaves the coverage of the wireless access network, the step of deleting the context of the terminal on the wireless access network comprises the following steps:
and when the terminal leaves the paging tracking area TAC set by the radio access network, deleting the contexts of the terminal on all the radio access networks in the TAC.
An embodiment of the present invention further provides a network device, including:
the processor is used for establishing the context of the terminal supporting the inactive state on the network equipment and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network equipment;
and the transceiver is used for activating the connection of the physical layer of the terminal when the terminal and the network equipment interact.
Wherein the establishing of the context of the terminal supporting the inactive state on the network device comprises: and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the network equipment.
Wherein the processor is further configured to: and reserving the context of the terminal stored in the network equipment, the terminal and the wireless receiving network equipment which is respectively in communication connection with the terminal and the network equipment when the terminal is in a connection state.
Wherein the processor is specifically configured to: the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved;
reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and
and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Wherein the processor is specifically configured to: when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the network equipment, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment by not establishing the connection of the physical layer of the terminal.
When the terminal directly enters the inactive state, establishing a context of the terminal supporting the inactive state on the network device, including:
when the terminal directly enters an inactive state, the network equipment establishes the context and corresponding configuration information of the terminal at L2/L3; the network equipment establishes the context and corresponding configuration information of an NG interface between the network equipment and a core network; and the network equipment establishes the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Wherein the transceiver is specifically configured to: when the terminal and the network equipment interact, the synchronization of the air interface links of the terminal and the network equipment is completed in a quick interaction mode of a medium access control MAC layer or a physical layer.
Wherein the transceiver is specifically configured to: and completing the synchronization of the air interface link of the terminal and the network equipment through a media access control (MAC CE) signaling of an MAC layer or new Downlink Control Information (DCI) transmitted by a Physical Downlink Control Channel (PDCCH) of a physical layer.
When the terminal moves, the wireless access network is a network device initially accessed by the terminal.
Wherein, when the terminal moves, the wireless access network is not the network equipment of the initial access of the terminal.
When the network device is a source network device connected to the terminal, the source network device sends uplink synchronization information used by a target network device to which the terminal is to move to the terminal.
And when the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, the target network equipment sends broadcast information to the terminal.
Wherein the processor is further configured to: and when the terminal leaves the coverage range of the wireless access network, deleting the context of the terminal on the wireless access network.
Wherein the processor is further specifically configured to: and when the terminal leaves the paging tracking area TAC set by the radio access network, deleting the contexts of the terminal on all the radio access networks in the TAC.
The embodiment of the invention also provides a configuration method of the terminal context, which comprises the following steps:
establishing a context of a terminal supporting an inactive state on the terminal, and controlling the connection of a physical layer of the terminal to be in the inactive state when the connection is not interacted with network equipment;
and when the terminal and the network equipment interact, activating the connection of the physical layer of the terminal.
Wherein the establishing of the context of the terminal supporting the inactive state on the terminal comprises:
and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the terminal.
The configuration method of the terminal context further comprises the following steps:
and reserving the context of the terminal stored in the network equipment, the terminal and the wireless receiving network equipment which is respectively in communication connection with the terminal and the network equipment when the terminal is in a connection state.
The step of reserving the context of the terminal stored in the network device, the terminal and the wireless receiving network device which is respectively connected with the terminal and the network device in a communication way when the terminal is in a connection state comprises the following steps:
the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved;
reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and
and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
The method for establishing the context of the terminal supporting the inactive state on the terminal and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network equipment comprises the following steps:
when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment by not establishing the connection of the physical layer of the terminal.
When the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the method comprises the following steps:
when the terminal directly enters the inactive state, the terminal establishes the context and corresponding configuration information of the terminal at L2/L3.
When the terminal and the network equipment interact, the step of activating the connection of the physical layer of the terminal comprises the following steps:
when the terminal and the network equipment interact, the synchronization of the air interface links of the terminal and the network equipment is completed in a quick interaction mode of a medium access control MAC layer or a physical layer.
The step of completing synchronization of an air interface link of the terminal and the network equipment in a rapid interaction mode of a Media Access Control (MAC) layer or a physical layer comprises the following steps:
and completing the synchronization of the air interface link of the terminal and the network equipment through a medium access control (MAC CE) signaling of an MAC layer or new Uplink Control Information (UCI) transmitted by a Physical Uplink Control Channel (PUCCH) of a physical layer.
When the terminal moves, the wireless access network is a network device initially accessed by the terminal.
Wherein, when the terminal moves, the wireless access network is not the network equipment of the initial access of the terminal.
The configuration method of the terminal context further comprises the following steps:
and when the network equipment is source network equipment connected with the terminal, the terminal receives uplink synchronous information which is sent by the source network equipment and is used by target network equipment to which the terminal is to move.
The configuration method of the terminal context further comprises the following steps:
when the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, if the terminal judges that the target network equipment is the target network equipment appointed by the source network equipment through the broadcast information of the target network equipment, the terminal can directly initiate synchronization with the target network equipment; otherwise, selecting the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
An embodiment of the present invention further provides a terminal, including:
the processor is used for establishing the context of the terminal supporting the inactive state on the terminal and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection is not interacted with the network equipment;
and the transceiver is used for activating the connection of the physical layer of the terminal when the terminal and the network equipment interact.
Wherein the establishing of the context of the terminal supporting the inactive state on the terminal comprises: and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the terminal.
Wherein the processor is further configured to: and reserving the context of the terminal stored in the network equipment, the terminal and the wireless receiving network equipment which is respectively in communication connection with the terminal and the network equipment when the terminal is in a connection state.
Wherein the processor is specifically configured to retain context and corresponding configuration information of the terminal at the L2/L3 level; reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Wherein the processor is specifically configured to: when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment by not establishing the connection of the physical layer of the terminal.
When the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the method comprises the following steps:
when the terminal directly enters the inactive state, the terminal establishes the context and corresponding configuration information of the terminal at L2/L3.
Wherein the transceiver is specifically configured to: when the terminal and the network equipment interact, the synchronization of the air interface links of the terminal and the network equipment is completed in a quick interaction mode of a medium access control MAC layer or a physical layer.
The method for completing synchronization of the air interface link of the terminal and the network equipment in a quick interaction mode of a Media Access Control (MAC) layer or a physical layer comprises the following steps:
and completing the synchronization of the air interface link of the terminal and the network equipment through a medium access control (MAC CE) signaling of an MAC layer or new Uplink Control Information (UCI) transmitted by a Physical Uplink Control Channel (PUCCH) of a physical layer.
When the terminal moves, the wireless access network is a network device initially accessed by the terminal.
Wherein, when the terminal moves, the wireless access network is not the network equipment of the initial access of the terminal.
When the network device is a source network device connected to the terminal, the terminal receives uplink synchronization information, which is sent by the source network device and used by a target network device to which the terminal is to move.
When the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, if the terminal judges that the target network equipment is the target network equipment appointed by the source network equipment through the broadcast information of the target network equipment, the terminal can directly initiate synchronization with the target network equipment; otherwise, selecting the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
An embodiment of the present invention further provides a communication device, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method as described above.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme of the invention, the context of the terminal supporting the inactive state is established on the network equipment, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection is not interacted with the network equipment; and when the terminal and the network equipment interact, activating the connection of the physical layer of the terminal. The context of the terminal is not only stored in the RAN, the connection of the physical layer of the terminal is controlled to be in an inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment, the power consumption of the terminal is reduced, when the network side and the terminal side need to interact, only the physical layer link needs to be activated (synchronized), the timeliness of the context synchronization of the end-to-end terminal is ensured, and the time delay caused by the fact that the RRC signaling process completes the context synchronization of the end-to-end UE is avoided.
Drawings
FIG. 1 is a first flowchart of a method for configuring a terminal context according to the present invention;
fig. 2 is a second flowchart of the configuration method of the terminal context according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the embodiment of the invention, the context of the UE is directly established on the network side and the terminal side instead of being only stored on the RAN, meanwhile, in order to reduce the power consumption of the UE, the UE keeps out of step when the connection of the physical layer has no service interaction, and when the network side and the terminal side need to interact, only the physical layer link needs to be activated (synchronized).
As shown in fig. 1, an embodiment of the present invention provides a method for configuring a context of a terminal, including:
step 11, establishing a context of a terminal supporting an inactive state on a network device, and controlling a physical layer connection of the terminal to be in the inactive state when the connection is not interacted with the network device;
and step 12, activating the connection of the physical layer of the terminal when the terminal and the network equipment interact.
In the embodiment of the invention, the context of the terminal supporting the inactive state is established on the network equipment, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection is not interacted with the network equipment; and when the terminal and the network equipment interact, activating the connection of the physical layer of the terminal. The context of the terminal is not only stored in the RAN, the connection of the physical layer of the terminal is controlled to be in an inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment, the power consumption of the terminal is reduced, when the network side and the terminal side need to interact, only the physical layer link needs to be activated (synchronized), the timeliness of the context synchronization of the end-to-end terminal is ensured, and the time delay caused by the fact that the RRC signaling process completes the context synchronization of the end-to-end UE is avoided.
Specifically, the first implementation process in this embodiment includes:
step 111, when the connection state of the terminal is switched to the non-activation state, establishing the context of the terminal on the network equipment;
and further, may also include: step 112, reserving the terminal context stored on the network device, the terminal and the Radio Access Network (RAN) device in communication connection with the terminal and the network device respectively when the terminal is in the connection state;
specifically, the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved; reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Specifically, the specific embodiment reduces the time delay of the UE access by pre-configuring the UE context. When the UE enters the RRC _ Connected state, the context of the UE is synchronized on the network side and the terminal side, and when the UE needs to pass through the RRC _ Connected state and then transits to the RRC _ inactive state, when the user transits the state:
A) the context and corresponding configuration of the UE at L2/L3 are not deleted (reserved); the L2 layer is a data link layer, and the L3 layer is a network layer;
B) the context and corresponding configuration of the UE on the NG interface (the interface between the 5G base station and the 5G core network) is not deleted (retained),
C) the context and relevant configuration of the UE in the core network and the protocol layer above are not deleted (reserved);
D) only the air interface link of the UE at L1 (physical layer) is deleted.
Thus, the UE does not need to consume power to ensure air interface synchronization. When the network side and the terminal side need to exchange information, synchronization of an air interface link only needs to be completed through a fast interaction mode of an MAC layer (for example, introducing a new MAC CE format) or a PHY layer (for example, introducing a new DCI format of a PDCCH (physical downlink control channel) or a new UCI format of a PUCCH (physical uplink control channel), or other control modes).
Specifically, the second implementation process in this embodiment includes:
step 211, when the terminal directly enters the inactive state, establishing a context of the terminal supporting the inactive state on the network device, and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network device by not establishing the connection of the physical layer of the terminal;
the establishing of the context of the terminal supporting the inactive state on the network device includes: when the terminal directly enters an inactive state, the network equipment establishes the context and corresponding configuration information of the terminal at L2/L3; the network equipment establishes the context and corresponding configuration information of an NG interface between the network equipment and a core network; and the network equipment establishes the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Specifically, if the UE can transition to RRC _ Inactive state without going through RRC _ Connected state, when the user enters RRC _ Inactive state:
A) the network side establishes the context and corresponding configuration of the UE at L2/L3;
B) the network side establishes the context and corresponding configuration of the UE on an NG interface (a direct interface between a 5G base station and a 5G core network);
C) the network side establishes the context and relevant configuration of the UE in the core network and the protocol layer above;
D) the network side temporarily does not establish an air interface link of the UE at L1 (physical layer).
Thus, the UE does not need to consume power to ensure air interface synchronization. When the network side and the terminal side need to exchange information, it is only necessary to complete synchronization of an air interface link through a fast interaction mode of an MAC layer (for example, introducing a new MAC CE format) or a PHY layer (for example, introducing a new DCI format of a PDCCH or a new UCI format of a PUCCH, or other control modes).
In an embodiment of the present invention, the step 12 may specifically include:
and step 121, when the terminal and the network device interact with each other, completing synchronization of an air interface link of the terminal and the network device by a rapid interaction mode of a Media Access Control (MAC) layer or a physical layer.
Specifically, synchronization of the terminal and the air interface link of the network device is completed through a media access control unit MAC CE signaling of the MAC layer or new downlink control information DCI transmitted through a physical downlink control channel PDCCH of the physical layer.
In an embodiment of the present invention, when the UE moves, in order to ensure fast access in the moving state, the UE context needs to be stored on several RANs simultaneously (currently Inactive state is defined as follows):
if the RAN is a network side base station initially accessed by the UE, establishing the context of the terminal on network equipment; furthermore, when the terminal is in a connection state, the context of the terminal stored in the network device, the terminal and the wireless receiving network device which is respectively in communication connection with the terminal and the network device is reserved;
specifically, the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved; reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and the establishment and synchronization of the UE context are completed in a mode of reserving the context of the terminal in the core network and the protocol layers above and corresponding configuration information.
If the RAN is not the initial access base station of the UE, such as the broadcasted UE context received from the initial access base station, controlling the connection of the physical layer of the terminal to be in an inactive state when not interacting with the network device by establishing the context of the terminal supporting the inactive state on the network device and by not establishing the connection of the terminal on the physical layer;
the establishing of the context of the terminal supporting the inactive state on the network device includes: when the terminal directly enters an inactive state, the network equipment establishes the context and corresponding configuration information of the terminal at L2/L3; the network equipment establishes the context and corresponding configuration information of an NG interface between the network equipment and a core network; and the network equipment establishes the context of the terminal in the core network and the protocol layers above and corresponding configuration information to complete the establishment and synchronization of the UE context.
When the UE moves, the UE only needs to keep the context information unchanged, and does not need to trigger the switching signaling processing of an RRC layer between the base stations.
Further, in a specific embodiment of the present invention, when the network device is a source network device connected to the terminal, the source network device sends uplink synchronization information used by a target network device to which the terminal is to move to the terminal. For example, if the UE keeps synchronization and interaction at the source base station, the source base station sends uplink synchronization related information (such as preamble code, cell identifier, or beam identifier) used by the target base station to the UE.
Further, in the specific embodiment of the present invention, when the terminal moves into the coverage of the target network device and needs to interact with the target network device, the target network device sends broadcast information to the terminal, so that if the terminal determines, through the broadcast information of the target network device, that the target network device is specified by the source network device, the terminal can directly initiate synchronization with the target network device; otherwise, the terminal selects the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment. For example, when a user moves to a coverage area of a target base station and needs to interact with the target base station, if the UE determines that the UE is the base station specified by the source base station through the broadcast information of the target base station, the UE may directly initiate synchronization;
if the UE judges that the target base station is not the base station appointed by the source base station through the target base station broadcast information, the public access information of the cell of the target base station is required to be selected to complete the uplink synchronization request;
in the uplink synchronization process, the network side and the terminal side complete corresponding UE context identification and synchronization.
In an embodiment of the present invention, in order to ensure fast access in the mobile state, it is necessary to store UE contexts (as defined in the current Inactive state) on several RANs simultaneously.
After introducing the pre-configured UE context, when the terminal leaves the coverage of the wireless access network, deleting the context of the terminal on the wireless access network.
Specifically, when the terminal leaves a paging tracking area TAC set by the radio access network, deleting contexts of the terminal on all radio access networks in the TAC; for example, when a UE leaves the coverage of a RAN, it needs to be ensured that the context of the UE is deleted and emptied under appropriate conditions; with a paging Tracking Area (TAC) set on a network side as a standard, all base stations in the TAC pre-establish a context of the UE. When the UE leaves the TAC, the context of the UE on all RANs within the TAC is deleted and the data is emptied. When a UE enters a TAC, the context of the UE is established on all RANs within the TAC.
According to the embodiment of the invention, the UE state is preconfigured on the network equipment, and is sunk to the air interface, so that the quick response can be made according to the behavior of the UE at the air interface, the characteristic of 5G multi-service can be met, the UE supporting the non-activated state can be timely and quickly synchronized when being synchronized with the network side, and the time delay caused by end-to-end synchronization through RRC signaling is avoided.
An embodiment of the present invention further provides a network device, including:
the processor is used for establishing the context of the terminal supporting the inactive state on the network equipment and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network equipment;
and the transceiver is used for activating the connection of the physical layer of the terminal when the terminal and the network equipment interact.
Wherein the establishing of the context of the terminal supporting the inactive state on the network device comprises: and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the network equipment.
Wherein the processor is further configured to: and reserving the context of the terminal stored in the network equipment, the terminal and the wireless receiving network equipment which is respectively in communication connection with the terminal and the network equipment when the terminal is in a connection state.
Wherein the processor is specifically configured to: the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved;
reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and
and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Wherein the processor is specifically configured to: when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the network equipment, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment by not establishing the connection of the physical layer of the terminal.
When the terminal directly enters the inactive state, establishing a context of the terminal supporting the inactive state on the network device, including: when the terminal directly enters an inactive state, the network equipment establishes the context and corresponding configuration information of the terminal at L2/L3; the network equipment establishes the context and corresponding configuration information of an NG interface between the network equipment and a core network; and the network equipment establishes the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Wherein the transceiver is specifically configured to: when the terminal and the network equipment interact, the synchronization of the air interface links of the terminal and the network equipment is completed in a quick interaction mode of a medium access control MAC layer or a physical layer.
Wherein the transceiver is specifically configured to: and completing the synchronization of the air interface link of the terminal and the network equipment through a media access control (MAC CE) signaling of an MAC layer or new Downlink Control Information (DCI) transmitted by a Physical Downlink Control Channel (PDCCH) of a physical layer.
When the terminal moves, the wireless access network is a network device initially accessed by the terminal.
Wherein, when the terminal moves, the wireless access network is not the network equipment of the initial access of the terminal.
When the network device is a source network device connected to the terminal, the source network device sends uplink synchronization information used by a target network device to which the terminal is to move to the terminal.
And when the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, the target network equipment sends broadcast information to the terminal.
Wherein the processor is further configured to: and when the terminal leaves the coverage range of the wireless access network, deleting the context of the terminal on the wireless access network.
Wherein the processor is further specifically configured to: and when the terminal leaves the paging tracking area TAC set by the radio access network, deleting the contexts of the terminal on all the radio access networks in the TAC.
It should be noted that the network device may be a base station, a core network, a RAN, or the like, and the network device is a device corresponding to the method shown in fig. 1, and all implementation manners in the method are applicable to the embodiment of the network device, and the same technical effect can be achieved.
As shown in fig. 2, an embodiment of the present invention further provides a method for configuring a context of a terminal, including:
Specifically, the first implementation process in this embodiment includes: step 211, when the connection state of the terminal is switched to the inactive state, establishing a context of the terminal on the terminal, and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network device
And further, the context of the terminal stored in the network device, the terminal and the wireless receiving network device which is respectively in communication connection with the terminal and the network device is reserved when the terminal is in the connection state.
Specifically, the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved; reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
Specifically, the second implementation process in this embodiment includes: step 212, when the terminal directly enters the inactive state, establishing the context of the terminal supporting the inactive state on the terminal, and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network device by not establishing the connection of the physical layer of the terminal.
Specifically, when the terminal directly enters the inactive state, the terminal establishes the context and corresponding configuration information of the terminal at L2/L3, and controls the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network device by not establishing the connection of the terminal at the physical layer.
In the above embodiment of the present invention, step 22 may include: when the terminal and the network equipment interact, the synchronization of the air interface links of the terminal and the network equipment is completed in a quick interaction mode of a medium access control MAC layer or a physical layer.
Specifically, synchronization of an air interface link of the terminal and the network device is completed through a media access control unit MAC CE signaling of the MAC layer or new uplink control information UCI transmitted by a physical uplink control channel PUCCH of the physical layer.
In a specific embodiment of the present invention, when the terminal moves and the radio access network is a network device to which the terminal initially accesses, the configuration of the terminal state may be completed by using the first implementation process;
in a specific embodiment of the present invention, when the terminal moves and the radio access network is not the network device to which the terminal initially accesses, the configuration of the terminal state may be completed by using the second implementation process.
When the UE moves, the UE only needs to keep the context information unchanged, and does not need to trigger the switching signaling processing of an RRC layer between the base stations.
Further, in a specific embodiment of the present invention, when the network device is a source network device connected to the terminal, the terminal receives uplink synchronization information, which is sent by the source network device and used by a target network device to which the terminal is to move.
Further, in the specific embodiment of the present invention, when the terminal moves into the coverage of the target network device and needs to interact with the target network device, if the terminal determines, through the broadcast information of the target network device, that the target network device is specified by the source network device, the terminal may directly initiate synchronization with the target network device; otherwise, selecting the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
According to the embodiment of the invention, the UE state is pre-configured on the terminal, and the UE state is sunk to the air interface, so that the quick response can be made according to the behavior of the UE on the air interface; the method can meet the characteristics of 5G multi-service, ensures that the UE supporting the non-activated state can be synchronized quickly in time when being synchronized with the network side, and avoids the time delay caused by end-to-end synchronization through RRC signaling.
An embodiment of the present invention further provides a terminal, including:
the processor is used for establishing the context of the terminal supporting the inactive state on the terminal and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection is not interacted with the network equipment;
and the transceiver is used for activating the connection of the physical layer of the terminal when the terminal and the network equipment interact.
Wherein the establishing of the context of the terminal supporting the inactive state on the terminal comprises: and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the terminal.
Wherein the processor is further configured to: and reserving the context of the terminal stored in the network equipment, the terminal and the wireless receiving network equipment which is respectively in communication connection with the terminal and the network equipment when the terminal is in a connection state.
Wherein the processor is specifically configured to retain context and corresponding configuration information of the terminal at the L2/L3 level; reserving the context and corresponding configuration information of an NG interface of a terminal between network equipment and a core network; and reserving the context and corresponding configuration information of the terminal in the core network and the protocol layer above. This case may be applied to a scenario where the radio access network is a network device initially accessed by the terminal when the terminal moves.
Wherein the processor is specifically configured to: when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network equipment by not establishing the connection of the physical layer of the terminal.
When the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the method comprises the following steps:
when the terminal directly enters the inactive state, the terminal establishes the context and corresponding configuration information of the terminal at L2/L3.
Wherein the transceiver is specifically configured to: when the terminal and the network equipment interact, the synchronization of the air interface links of the terminal and the network equipment is completed in a quick interaction mode of a medium access control MAC layer or a physical layer.
The method for completing synchronization of the air interface link of the terminal and the network equipment in a quick interaction mode of a Media Access Control (MAC) layer or a physical layer comprises the following steps:
and completing the synchronization of the air interface link of the terminal and the network equipment through a media access control (MAC CE) signaling of an MAC layer or new Downlink Control Information (DCI) transmitted by a Physical Downlink Control Channel (PDCCH) of a physical layer. This case may be applied to a scenario where the radio access network is not a network device for initial access of the terminal when the terminal moves.
When the network device is a source network device connected to the terminal, the terminal receives uplink synchronization information, which is sent by the source network device and used by a target network device to which the terminal is to move.
When the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, if the terminal judges that the target network equipment is the target network equipment appointed by the source network equipment through the broadcast information of the target network equipment, the terminal can directly initiate synchronization with the target network equipment; otherwise, selecting the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
It should be noted that the terminal is a device corresponding to the method shown in fig. 2, and all implementation manners in the method are applicable to the embodiment of the terminal, and the same technical effect can be achieved.
An embodiment of the present invention further provides a communication device, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above with reference to fig. 1 or fig. 2. When the communication device is a network device, the method as shown in the above fig. 1 is executed; when the communication device is a terminal, the method as shown in the above fig. 2 is executed; the processor and memory may be connected by a bus or interface.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method described above with respect to fig. 1 or fig. 2.
In summary, the embodiment of the present invention pre-configures the UE state on the network device and the terminal, sinks the UE state to the air interface, and can make a quick response according to the behavior of the UE at the air interface; the method can meet the characteristics of 5G multi-service, ensures that the UE supporting the non-activated state can be synchronized quickly in time when being synchronized with the network side, and avoids the time delay caused by end-to-end synchronization through RRC signaling.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (34)
1. A method for configuring a context of a terminal, the method comprising:
establishing a context of a terminal supporting an inactive state on a network side device, comprising: the method comprises the steps that when a terminal is in a connected state, contexts of the terminal, which are stored on a network side device, the terminal and a wireless receiving network device which is in communication connection with the terminal and the network side device respectively, are reserved, wherein the contexts and corresponding configuration information of the terminal on an L2/L3 layer are reserved; reserving the context and corresponding configuration information of an NG interface of a terminal between network side equipment and a core network; reserving the context and corresponding configuration information of the terminal in a network protocol layer where the core network is located and each protocol layer above the network protocol layer;
and controlling the connection of the physical layer of the terminal to be in an inactive state when the connection is not interacted with the network side equipment;
and when the terminal and the network side equipment interact, activating the connection of the physical layer of the terminal.
2. The method according to claim 1, wherein the establishing of the context of the terminal supporting the inactive state on the network-side device comprises:
and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the network side equipment.
3. The method for configuring the context of the terminal according to claim 1, wherein the establishing the context of the terminal supporting the inactive state on the network-side device, and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network-side device comprises:
when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the network side equipment, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network side equipment by not establishing the connection of the terminal on the physical layer.
4. The method according to claim 3, wherein when the terminal directly enters the inactive state, establishing the context of the terminal supporting the inactive state on the network-side device comprises:
when the terminal directly enters an inactive state, the network side equipment establishes the context and corresponding configuration information of the terminal at L2/L3; the network side equipment establishes context and corresponding configuration information of an NG interface between the network side equipment and a core network; and the network side equipment establishes the context and corresponding configuration information of the terminal in the core network and the protocol layer above.
5. The method for configuring the context of the terminal according to claim 1 or claim 4, wherein the step of activating the connection of the physical layer of the terminal when the terminal interacts with the network-side device comprises:
when the terminal and the network side equipment interact, the synchronization of the air interface links of the terminal and the network side equipment is completed through a quick interaction mode of a medium access control MAC layer or a physical layer.
6. The method according to claim 5, wherein the step of completing synchronization of air interface links between the terminal and the network side device in a fast interaction manner of a medium access control MAC layer or a physical layer comprises:
and completing the synchronization of the air interface link of the terminal and the network side equipment through a media access control (MAC CE) signaling of an MAC layer or new Downlink Control Information (DCI) transmitted by a Physical Downlink Control Channel (PDCCH) of a physical layer.
7. The method of configuring a context of a terminal according to claim 1,
when the terminal moves, the wireless receiving network equipment is network side equipment initially accessed by the terminal.
8. The method of configuring a context of a terminal according to claim 6,
when the terminal moves, the wireless receiving network equipment is not the network side equipment initially accessed by the terminal.
9. The method for configuring the context of the terminal according to claim 6, further comprising:
and when the network side equipment is source network equipment connected with the terminal, the source network equipment sends uplink synchronous information used by target network equipment to which the terminal is to move to the terminal.
10. The method for configuring the context of the terminal according to claim 9, further comprising:
when the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, the target network equipment sends broadcast information to the terminal, so that if the terminal judges that the target network equipment is the target network equipment appointed by the source network equipment through the broadcast information of the target network equipment, the terminal can directly initiate synchronization with the target network equipment; otherwise, the terminal selects the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
11. The method for configuring the context of the terminal according to claim 1, further comprising:
and when the terminal leaves the coverage range of the wireless access network, deleting the context of the terminal on the wireless access network.
12. The method for configuring the context of the terminal according to claim 11, wherein the step of deleting the context of the terminal on the radio access network when the terminal leaves the coverage of the radio access network comprises:
and when the terminal leaves the paging tracking area TAC set by the radio access network, deleting the contexts of the terminal on all the radio access networks in the TAC.
13. A network-side device, comprising:
the processor is used for establishing the context of the terminal supporting the inactive state on the network side equipment and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network side equipment;
the transceiver is used for activating the connection of a physical layer of the terminal when the terminal and the network side equipment interact;
the processor is further configured to: the method comprises the steps that when a terminal is in a connection state, the context of the terminal stored on a network side device, the terminal and a wireless receiving network device which is in communication connection with the terminal and the network side device respectively is reserved;
the processor is specifically configured to: the context and corresponding configuration information of the terminal at the L2/L3 layer are reserved; reserving the context and corresponding configuration information of an NG interface of a terminal between network side equipment and a core network; and reserving the context and corresponding configuration information of the network protocol layer where the terminal is located in the core network and the protocol layers above the network protocol layer.
14. The network-side device of claim 13, wherein establishing the context of the terminal supporting the inactive state on the network-side device comprises: and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the network side equipment.
15. The network-side device of claim 13, wherein the processor is specifically configured to:
when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the network side equipment, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network side equipment by not establishing the connection of the terminal on the physical layer.
16. The network-side device of claim 15, wherein when the terminal directly enters the inactive state, establishing a context of the terminal supporting the inactive state on the network-side device comprises:
when the terminal directly enters an inactive state, the network side equipment establishes the context and corresponding configuration information of the terminal at L2/L3; the network side equipment establishes context and corresponding configuration information of an NG interface between the network side equipment and a core network; and the network side equipment establishes the context and corresponding configuration information of the terminal in the network protocol layer where the core network is located and the protocol layers above the network protocol layer.
17. The network-side device of claim 13 or claim 16, wherein the transceiver is specifically configured to: when the terminal and the network side equipment interact, the synchronization of the air interface links of the terminal and the network side equipment is completed through a quick interaction mode of a medium access control MAC layer or a physical layer.
18. The network-side device of claim 17, wherein the transceiver is specifically configured to: and completing the synchronization of the air interface link of the terminal and the network side equipment through a media access control (MAC CE) signaling of an MAC layer or new Downlink Control Information (DCI) transmitted by a Physical Downlink Control Channel (PDCCH) of a physical layer.
19. The network-side device of claim 13, wherein the processor is further configured to: and when the terminal leaves the coverage range of the wireless access network, deleting the context of the terminal on the wireless access network.
20. The network-side device of claim 19, wherein the processor is further specifically configured to: and when the terminal leaves the paging tracking area TAC set by the radio access network, deleting the contexts of the terminal on all the radio access networks in the TAC.
21. A method for configuring a context of a terminal, the method comprising:
establishing a context of a terminal supporting an inactive state on the terminal, comprising: the method comprises the steps that when a terminal is in a connected state, contexts of the terminal, which are stored on a network side device, the terminal and a wireless receiving network device which is in communication connection with the terminal and the network side device respectively, are reserved, wherein the contexts and corresponding configuration information of the terminal on an L2/L3 layer are reserved; reserving the context and corresponding configuration information of an NG interface of a terminal between network side equipment and a core network; reserving the context and corresponding configuration information of the terminal in a network protocol layer where the core network is located and each protocol layer above the network protocol layer;
and controlling the connection of the physical layer of the terminal to be in an inactive state when the connection is not interacted with the network side equipment;
and when the terminal and the network side equipment interact, activating the connection of the physical layer of the terminal.
22. The method of claim 21, wherein the establishing the context of the terminal supporting the inactive state on the terminal comprises:
and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the terminal.
23. The method for configuring context of a terminal according to claim 21, wherein the establishing a context of the terminal supporting the inactive state on the terminal and controlling the connection of the physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network-side device comprises:
when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network side equipment by not establishing the connection of the physical layer of the terminal.
24. The method for configuring the context of the terminal according to claim 23, wherein when the terminal directly enters the inactive state, establishing the context of the terminal supporting the inactive state on the terminal comprises:
when the terminal directly enters the inactive state, the terminal establishes the context and corresponding configuration information of the terminal at L2/L3.
25. The method for configuring the context of the terminal according to claim 21 or claim 24, further comprising:
and when the network side equipment is source network equipment connected with the terminal, the terminal receives uplink synchronous information which is sent by the source network equipment and is used by target network equipment to which the terminal is to move.
26. The method for configuring the context of the terminal according to claim 25, further comprising:
when the terminal moves to the coverage area of the target network equipment and needs to interact with the target network equipment, if the terminal judges that the target network equipment is the target network equipment appointed by the source network equipment through the broadcast information of the target network equipment, the terminal can directly initiate synchronization with the target network equipment; otherwise, selecting the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
27. A terminal, comprising:
the processor is used for establishing a context of the terminal supporting the inactive state on the terminal and controlling the connection of a physical layer of the terminal to be in the inactive state when the connection of the physical layer of the terminal does not interact with the network side equipment;
the transceiver is used for activating the connection of a physical layer of the terminal when the terminal and the network side equipment interact;
the processor is further configured to: the method comprises the steps that when a terminal is in a connection state, the context of the terminal stored on a network side device, the terminal and a wireless receiving network device which is in communication connection with the terminal and the network side device respectively is reserved;
the processor is specifically configured to retain context and corresponding configuration information of the terminal at the L2/L3 level; reserving the context and corresponding configuration information of an NG interface of a terminal between network side equipment and a core network; and reserving the context and corresponding configuration information of the network protocol layer where the terminal is located in the core network and the protocol layers above the network protocol layer.
28. The terminal of claim 27, wherein establishing the context of the terminal supporting the inactive state on the terminal comprises: and when the terminal is switched to the non-activated state in the connected state, establishing the context of the terminal on the terminal.
29. The terminal of claim 27, wherein the processor is further configured to: when the terminal directly enters the inactive state, the context of the terminal supporting the inactive state is established on the terminal, and the connection of the physical layer of the terminal is controlled to be in the inactive state when the connection of the physical layer of the terminal is not interacted with the network side equipment by not establishing the connection of the physical layer of the terminal.
30. The terminal of claim 29, wherein when the terminal directly enters the inactive state, establishing a context of the terminal supporting the inactive state on the terminal comprises:
when the terminal directly enters the inactive state, the terminal establishes the context and corresponding configuration information of the terminal at L2/L3.
31. The terminal according to claim 27 or claim 30, wherein when the network-side device is a source network device to which the terminal is connected, the terminal receives uplink synchronization information, which is sent by the source network device and used by a target network device to which the terminal is to move.
32. The terminal of claim 31, wherein when the terminal moves into the coverage of the target network device and needs to interact with the target network device, if the terminal determines, through the broadcast information of the target network device, that the terminal is the target network device specified by the source network device, the terminal may directly initiate synchronization with the target network device; otherwise, selecting the public access information of the cell of the target network equipment to complete the synchronization with the target network equipment.
33. A communication device, comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method of any one of claims 1-12 or the method of any one of claims 21-26.
34. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method of any one of claims 1-12 or the method of any one of claims 21-26.
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| WO2021163993A1 (en) * | 2020-02-21 | 2021-08-26 | Qualcomm Incorporated | Ue sounding procedure between component carriers |
| CN114339939A (en) * | 2020-10-12 | 2022-04-12 | 维沃移动通信有限公司 | Non-active state configuration method and device and communication equipment |
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