CN113965926A - Access network equipment, network access method and terminal - Google Patents
Access network equipment, network access method and terminal Download PDFInfo
- Publication number
- CN113965926A CN113965926A CN202010625642.6A CN202010625642A CN113965926A CN 113965926 A CN113965926 A CN 113965926A CN 202010625642 A CN202010625642 A CN 202010625642A CN 113965926 A CN113965926 A CN 113965926A
- Authority
- CN
- China
- Prior art keywords
- functional entity
- terminal
- functional
- data
- entity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000004891 communication Methods 0.000 claims abstract description 38
- 230000008054 signal transmission Effects 0.000 claims abstract description 14
- 230000006870 function Effects 0.000 claims description 105
- 230000005540 biological transmission Effects 0.000 claims description 43
- 230000011664 signaling Effects 0.000 claims description 24
- 238000005259 measurement Methods 0.000 claims description 23
- 238000012423 maintenance Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 11
- 230000006399 behavior Effects 0.000 claims description 9
- 238000012163 sequencing technique Methods 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 6
- 238000007726 management method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 206010063385 Intellectualisation Diseases 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 102100022734 Acyl carrier protein, mitochondrial Human genes 0.000 description 1
- 101000678845 Homo sapiens Acyl carrier protein, mitochondrial Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The embodiment of the invention provides an access network device, a network access method and a terminal, wherein the access network device comprises: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission. The scheme of the invention improves the flexibility and the expandability of the network architecture of the access network equipment, and simultaneously, the openness of the interface can be directly compatible with a plurality of realizations of the same functional unit.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an access network device, a network access method, and a terminal.
Background
As shown in fig. 1, the existing access network architecture is divided into a centralized architecture and a distributed architecture from the aspect of the overall architecture, where CU is a centralized unit and DU is a distributed unit; in terms of functions, as shown in fig. 2, stack processing is adopted, different protocol layers are defined according to functions, and layer-by-layer sequential processing is required. Wherein, the SDAP is a serviceDataAdaptationprotocol, namely a service data adaptation protocol; the PDCP is a Packet Data Convergence Protocol (PDP); the RLC is Radio Link Control, namely a Radio Link Control layer protocol; MAC is Media Access Control, namely Media Access Control; the PHY is a physical layer.
For cloud, intellectualization and software, the architecture has the defects of inflexible design and low internal intelligent support degree.
The introduction of cloud virtualization and intellectualization brings new challenges to an access network architecture, how to split the access network function into the functions which can work independently and cooperate with each other, and the autonomy and independence of the network function are improved. In addition, the existing access network adopts a stack structure, the access network needs to process layer by layer, which brings processing overhead and interaction overhead between protocol layers, how to improve the efficiency of the access network function, and the problem that how to complete the interaction between the access network functions through a new way is also needed to be solved. Meanwhile, in the aspect of intellectualization, how to design an inherently intelligent access network architecture is also a problem to be considered.
Disclosure of Invention
The invention provides an access network device, an access network method and a terminal. The flexibility and the expandability of the access network architecture are improved, and meanwhile, the openness of the interface can be directly compatible with multiple realizations of the same functional unit.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
an access network device, comprising: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission.
Optionally, the access network device further includes at least one of: the fourth functional entity is used for data acquisition and/or intelligent decision issuing;
the fifth functional entity is used for collecting at least one of network state data, service data, control data, operation data and user behavior data and establishing a model of a real network;
the fourth functional entity is in communication connection with the first functional entity, the second functional entity and/or the third functional entity through an open interface;
the fifth functional entity is in communication connection with the first functional entity, the second functional entity, the third functional entity and/or the fourth functional entity through an open interface.
Optionally, the first functional entity is a control plane functional entity, and includes at least one of the following:
a cell-level control function for configuring cell-level system parameters;
a user-level control function for performing a related control on the terminal;
a Qos level control function for performing QoS related control;
the safety function is used for being matched with a core network to carry out safety authentication and safety maintenance of data;
a measurement function for completing configuration of cell level measurement and terminal measurement;
and the scheduling function is used for finishing scheduling based on the data packet Qos according to the states of the cell and the terminal and the Qos requirements of different QoS data.
Optionally, the second functional entity is a user plane function, and includes:
the sequencing and retransmission control function is used for generating a corresponding identifier for the data packet according to the feedback of the terminal and the decision of the access network when the data packet is sent, wherein the identifier is a retransmission or new transmission and a corresponding sequence identifier; when receiving data, using sequence identification to sort data packets;
and the data packet assembling function is used for generating corresponding data packets according to the scheduling result, the encryption requirement and the requirements of the sequencing and retransmission functions.
Optionally, the third functional entity is an air interface transmission plane functional entity, and includes at least one of the following:
a physical layer processing function;
the medium access control MAC function.
Optionally, the first functional entity is connected to the transmission channel through a first open interface;
the second functional entity is connected with the transmission channel through a second open interface;
the third functional entity is connected with the transmission channel through a third open interface;
the fourth functional entity is connected with the transmission channel through a fourth open interface;
the fifth functional entity is connected with the transmission channel through a fifth open interface;
the transmission channel includes: a logical channel or a proxy entity.
The embodiment of the invention also provides a method for accessing a network, which is applied to the access network equipment, wherein the access network equipment comprises: the method comprises the following steps that at least three functional entities are provided, wherein a first functional entity, a second functional entity and a third functional entity in the at least three functional entities are respectively in communication connection through an open interface and perform signal transmission, and the method comprises the following steps:
the first functional entity configures system information to a terminal through the third functional entity;
and according to the access request of the terminal, the first functional entity, the second functional entity and the third functional entity interact through an open interface to finish the access of the terminal.
Optionally, the configuring, by the first functional entity, system information to the terminal through the third functional entity includes:
the first functional entity sends a master information block MIB and a system information block SIB to a third functional entity;
the third functional entity sends the MIB and the SIB to a terminal;
the third functional entity receives an access request sent by a terminal and sends the access request to the first functional entity; and the first functional entity feeds back an access response of the access request to the terminal through the third functional entity according to the access request.
Optionally, according to an access request of a terminal, the first functional entity, the second functional entity, and the third functional entity interact through an open interface to complete access of the terminal, including:
the third functional entity receives a Radio Resource Control (RRC) connection establishment request message sent by a terminal;
the third functional entity sends the RRC connection establishment request message to the first functional entity;
the first functional entity queries RRC connection configuration through the fourth functional entity and the fifth functional entity to form an RRC air interface signaling, and sends the RRC air interface signaling to the third functional entity;
the third functional entity sends the RRC air interface signaling to a terminal through an air interface, and transmits the configuration of the RRC connection to the second functional entity;
and the first functional entity sends RRC connection configuration to the fourth functional entity and the fifth functional entity respectively, so that the fourth functional entity and the fifth functional entity update the state of the terminal.
Optionally, the first functional entity queries RRC connection configuration through the fourth functional entity and the fifth functional entity to form an RRC air interface signaling, including:
the first functional entity queries the fourth functional entity for RRC connection configuration;
after the policy verification is performed on the fourth functional entity and the fifth functional entity, the RRC connection configuration is fed back to the first functional entity, so that the first functional entity forms an RRC air interface signaling.
Optionally, the method for accessing a network further includes:
and according to the switching command, the first functional entity, the second functional entity, the third functional entity, the fourth functional entity and the fifth functional entity complete the switching of the terminal through an open interface.
Optionally, according to the handover command, the first functional entity, the second functional entity, the third functional entity, the fourth functional entity, and the fifth functional entity complete the handover of the terminal through an open interface, including:
after the fourth functional entity and the fifth functional entity carry out switching strategy verification, a switching strategy is sent to the original first functional entity;
the original first functional entity sends a switching command to an original third functional entity according to the switching strategy, and the third functional entity sends the switching command to a terminal;
the target third functional entity receives a switching request of a terminal, sends a switching completion message to the target first functional entity after switching is completed, and sends the updated state information of the terminal to the fourth functional entity by the target first functional entity;
and the fourth functional entity sends the updated state information of the terminal to a fifth functional entity.
An embodiment of the present invention further provides a terminal, including: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission.
Optionally, the terminal further includes at least one of:
the fourth functional entity is used for data acquisition and/or intelligent decision issuing;
the fifth functional entity is used for collecting at least one of network state data, service data, control data, operation data and user behavior data and establishing a model of a real network;
the fourth functional entity is in communication connection with the first functional entity, the second functional entity and/or the third functional entity through an open interface;
the fifth functional entity is in communication connection with the first functional entity, the second functional entity, the third functional entity and/or the fourth functional entity through an open interface.
Optionally, the first functional entity includes at least one of:
a cell-level control function for configuring cell-level system parameters;
a user-level control function for performing a related control on the terminal;
a Qos level control function for performing QoS related control;
the safety function is used for being matched with a core network to carry out safety authentication and safety maintenance of data;
a measurement function for completing configuration of cell level measurement and terminal measurement;
and the scheduling function is used for finishing scheduling based on the data packet Qos according to the states of the cell and the terminal and the Qos requirements of different QoS data.
The embodiment of the present invention further provides a method for accessing a network, which is applied to a terminal, where the terminal includes at least three functional entities, and a first functional entity, a second functional entity, and a third functional entity in the at least three functional entities are respectively in communication connection via an open interface and perform signal transmission, and the method includes:
the first functional entity receives system information configured for the terminal by the access network equipment through the third functional entity;
and the first functional entity, the second functional entity and the third functional entity interact through an open interface to complete the access of the terminal.
Optionally, the receiving, by the first functional entity, system information configured by the access network device for the terminal through the third functional entity includes:
the first functional entity receives a master information block MIB and a system information block SIB which are sent by access network equipment through a third functional entity;
and the first functional entity receives an access response fed back by the access network equipment through the third functional entity.
Optionally, the first functional entity, the second functional entity, and the third functional entity interact through an open interface to complete access of the terminal, including:
receiving a Radio Resource Control (RRC) connection establishment request message sent to the access network equipment through the third functional entity;
receiving, by the third functional entity, an RRC air interface signaling sent by the access network device;
and accessing the access network equipment according to the RRC air interface signaling.
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:
in the above-described aspect of the present invention, the access network device includes: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission. The access network device further comprises at least one of: the fourth functional entity is used for data acquisition and/or intelligent decision issuing; the fifth functional entity is used for collecting at least one of network state data, service data, control data, operation data and user behavior data and establishing a model of a real network; the fourth functional entity is in communication connection with the first functional entity, the second functional entity and/or the third functional entity through an open interface; the fifth functional entity is in communication connection with the first functional entity, the second functional entity, the third functional entity and/or the fourth functional entity through an open interface. The access network equipment improves the flexibility and the expandability of an access network architecture, and meanwhile, the openness of an interface can be directly compatible with multiple realizations of the same functional unit.
Drawings
Fig. 1 is a schematic diagram of an access network architecture;
fig. 2 is a schematic diagram of a protocol stack processing procedure between a terminal and a base station;
fig. 3 is a schematic architecture diagram of an access network device or a terminal according to an embodiment of the present invention;
fig. 4 is an interaction diagram of each functional unit of the access network device when the terminal of the present invention is accessed to the access network device;
FIG. 5 is a schematic diagram of a terminal handover process according to the present invention;
fig. 6 is a flowchart illustrating a method for accessing a network at an access network device side according to the present invention;
fig. 7 is a flowchart illustrating a method for accessing a network at a terminal side 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 invention to those skilled in the art.
In order to facilitate the realization of the software and intelligence of the access network, the embodiment of the invention introduces an access network architecture based on plug and play. The architecture is oriented to software and intellectualization, and is an access network architecture aiming at plug and play. In order to reduce the communication overhead between the previous protocol layers, a non-stack architecture of an access network is proposed.
The framework is based on a design idea of software and interacts in an implementation form of an open interface. The functions of the protocol stack are reasonably divided to form a plurality of functional units, and the functional units use an open interface mode to realize the plug and play of the newly added functional units of the network.
As shown in fig. 3, an embodiment of the present invention provides an access network device, including: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission. Further, the access network device may further include at least one of:
the fourth functional entity is used for data acquisition and/or intelligent decision issuing;
the fifth functional entity is used for collecting at least one of network state data, service data, control data, operation data and user behavior data and establishing a model of a real network;
the fourth functional entity is in communication connection with the first functional entity, the second functional entity and/or the third functional entity through an open interface;
the fifth functional entity is in communication connection with the first functional entity, the second functional entity, the third functional entity and/or the fourth functional entity through an open interface.
Wherein the first functional entity may be a control plane function (CP) entity, the second functional entity may be a user plane function (UP) entity, the third functional entity may be an air interface Transport Plane (TP) functional entity, the fourth functional entity may be an intelligent layer (AIPF), and the fifth functional entity may be a digital twin layer (DTPF);
the first functional entity, the second functional entity, the third functional entity, the fourth functional entity and the fifth functional entity are respectively connected through open interfaces; in a possible implementation, the open interfaces corresponding to the first functional entity, the second functional entity, the third functional entity, the fourth functional entity, and the fifth functional entity are all in communication connection with the same logical channel, or are all in communication connection with the same proxy entity, so that any communication between the functional entities can be implemented.
The first functional entity is a control plane functional entity, and comprises at least one of the following items:
a cell-level control function for configuring cell-level system parameters;
a user-level control function for performing a related control on the terminal;
a Qos level control function for performing QoS related control;
the safety function is used for being matched with a core network to carry out safety authentication and safety maintenance of data;
a measurement function for completing configuration of cell level measurement and terminal measurement;
and the scheduling function is used for finishing scheduling based on the data packet Qos according to the states of the cell and the terminal and the Qos requirements of different QoS data.
Specifically, in the network architecture, for more and more complicated transmission schemes, the influence on the control plane and the user plane processing is shielded, and the TP only needs to transmit the data packet generated by the UP plane and the transmission requirement determined by the control plane.
The AIP corresponds to an intelligent layer and comprises data collection and intelligent decision issuing.
The DTP is a digital twin layer, models are built according to service data, control data and operation data generated by the network, a corresponding digital network is built according to a real network, and network operation and maintenance simulation, user behavior simulation and service simulation are carried out through the network, so that better decisions are transmitted to the CP and the UP in cooperation with AIP.
The functions in the above figure can be further subdivided, and the control plane functional units include cell-level control, user-level control, Qos control, security, scheduling, and measurement.
1. And (3) cell level control:
the method comprises system information broadcasting, paging, cell-level parameter configuration and the like, and generates corresponding parameters according to system requirements (network management configuration or autonomous based on AIP (advanced Internet protocol) strategies).
2. User-level control: the method comprises RRC connection management, UE state maintenance, mobility control, UE access control, UE specific physical channel configuration and other UE related control.
Qos level control: the method comprises the mapping control of QoS to DRB, the admission control of QoS, the management and maintenance of QoS and the like. The Qos management and maintenance may be a corresponding policy sent by the core network, or a policy generated by the access network in a self-adaptive manner according to the state of the existing network, the user's requirement, and the AIP.
4. And safety, namely, the core network is matched to carry out safety authentication on the base station side and is responsible for maintaining the secret key, including the safety of signaling and the safety of user data.
5. Scheduling: and completing scheduling based on the data packet Qos according to the states of the cell and the user and the Qos requirements of different Qos data. And feeding back the scheduling result to a data packet assembling function to prepare for subsequent air interface transmission.
6. Measurement: and finishing the configuration of cell-level measurement and UE measurement, the processing and statistics of measurement results and the like.
The above architecture is also applicable to the terminal side, and depending on the capability of the UE, AIPF and DTPF are optional. For the high-capability UE, the state of the UE can be modeled and then fed back to the network, and for the low-capability terminal, the necessary CP, UP and TP functions can be completed.
In an optional embodiment of the present invention, the second functional entity is a user plane function, and includes:
the sequencing and retransmission control function is used for generating corresponding identification as retransmission or new transmission and corresponding sequence identification for the data packet when the data packet is sent according to the feedback of the terminal and the decision of the access network; when receiving data, using sequence identification to sort data packets;
and the data packet assembling function is used for generating corresponding data packets according to the scheduling result, the encryption requirement and the requirements of the sequencing and retransmission functions.
Specifically, the user plane unit entity includes sequencing and retransmission control, and data packet assembly.
Wherein the ordering and retransmission control is: according to the feedback of the terminal and the decision of the access network, when the data packet is sent, the corresponding identifier generated for the data packet is the retransmission or the new transmission and the corresponding sequence identifier. The sequence identifier is used to order the data packets as the data is received.
In the data packet assembly: and generating corresponding data packets according to the scheduling result, the encryption requirement and the requirements of the sequencing and retransmission functions.
In an optional embodiment of the present invention, the third functional entity is an air interface transport plane functional entity, and includes at least one of the following:
a physical layer processing function, configured to send and receive data packets grouped according to the configuration generated by the control plane function and the user plane function at corresponding air interface resources;
and the Media Access Control (MAC) function is used for caching and packaging the data.
Optionally, the first functional entity is connected to the transmission channel through a first open interface;
the second functional entity is connected with the transmission channel through a second open interface;
the third functional entity is connected with the transmission channel through a third open interface;
the fourth functional entity is connected with the transmission channel through a fourth open interface;
the fifth functional entity is connected with the transmission channel through a fifth open interface;
the transmission channel includes: a logical channel or a proxy entity.
Here, the first functional entity is connected with the transmission channel through an Infc interface; the Infc interface may be a service interface of the first functional entity, and the main functions include external discovery, control plane link management, control plane configuration, and the like.
The second functional entity is connected with the transmission channel through an Infu interface; infu is a service interface of the second functional entity, and the main functions include service discovery, data transmission and the like of the second functional entity.
The third functional entity is connected with the transmission channel through an Inft interface; the Inft is a service interface of the third functional entity, and the main functions include service discovery, transmission capability, transmission mode configuration and the like of the second functional entity.
The fourth functional entity is connected with the transmission channel through an Infa interface; the Infa is a service interface of the fourth functional entity, and the main functions include service discovery of the fourth functional entity, training data acquisition or decision issuing, and the like.
The fifth functional entity is connected with the transmission channel through an Infd interface; the Infd is a service interface of the fifth functional entity, and the main functions include service discovery of the fifth functional entity, acquisition of network service data, control data and operation data, and the like.
Specifically, the transmission function includes physical layer processing and the like, and the transmission and reception are performed on the corresponding air interface resources according to the transmission configuration generated by the CP and the UP grouped data packets according to the specified standard.
The intelligent layer function comprises the collection of necessary data, and the intelligent management and control of the network by combining with CPF according to the strategy issue of the target.
The digital twin layer function is used for digitizing the data of the whole network, abstracting all network state data, user behavior data and service data into a unified digital network, describing the whole network through the layer, simulating a set of network operation and maintenance model, user and service model, carrying out advanced verification on the strategy of AIP, and generating a proper network operation and control strategy by matching with the AIP.
Each functional unit uses an interactive mode of an open interface, and the content needing interaction can apply for other functional units, or be configured by query. The open interface can interact with one or more functional units, such as interface establishment, assembly and analysis according to interface messages, and meanwhile, the quick adaptation of the interface after the functional unit is newly added is supported.
An implementation flow of the network device is described below with reference to fig. 4: taking the initial access of the UE as an example, the interaction of each functional unit is given;
and 1, generating MIB and SIB information by the CPF, sending the MIB and SIB information to the TPF through an interface, and carrying out air interface transmission to the UE through the TPF.
2, UE sends msg1 message, after TPF analyzes, it informs CPF, and CPF carries out resource allocation and temporary CRNTI allocation. And the CPF sends the msg2 and the corresponding scheduling information to the TPF for empty port transmission.
And 3, the UE sends an RRC establishment request message, demodulates the RRC establishment request message through the TPF and then sends the data packet to the CPF, and the CPF inquires proper RRC configuration through AIP and DTP to form an RRC air interface signaling and sends the RRC air interface signaling to the TPF. The TPF is over the air to the UE. At the same time, the CPF transmits the configuration related to the RRC connection establishment to the UPF and the TPF
And 4, the UE replies the RRC establishment completion, and submits the RRC signaling to the UPF after the TPF is demodulated. And the UPF unpacks the packet and sends the unpacked packet to the CPF to update the state of the UE to the AIP and the DTP and record the information of the UE.
An implementation flow of the network device is described below with reference to fig. 5: taking the UE switching process as an example, the interaction of each functional unit is given;
after AIP and DTP carry out switching strategy verification, sending a switching strategy to an original CP;
2. the original CP sends a switching command to the original TP according to the switching strategy, and the TP sends the switching command to a terminal;
3. the target TP receives a switching request of a terminal, sends a switching completion message to a target CP after switching is completed, and sends the updated state information of the terminal to the AIP by the target CP;
4. and the AIP sends the updated state information of the terminal to the DTP.
In the above embodiment of the present invention, the functional entities interact with each other in an implementation form of an open interface. The functions of the protocol stack are reasonably divided to form a plurality of functional units, and the functional units use an open interface mode to realize the plug and play of the newly added functional units of the network.
As shown in fig. 6, an embodiment of the present invention further provides a method for accessing a network, which is applied to an access network device, where the access network device includes: the method comprises the following steps that at least three functional entities are provided, wherein a first functional entity, a second functional entity and a third functional entity in the at least three functional entities are respectively in communication connection through an open interface and perform signal transmission, and the method comprises the following steps:
and 62, interacting the first functional entity, the second functional entity and the third functional entity through an open interface according to the access request of the terminal to complete the access of the terminal.
In an alternative embodiment of the present invention, step 61 may include:
the first functional entity sends a master information block MIB and a system information block SIB to a third functional entity;
the third functional entity sends the MIB and the SIB to a terminal;
the third functional entity receives an access request sent by a terminal and sends the access request to the first functional entity; and the first functional entity feeds back an access response of the access request to the terminal through the third functional entity according to the access request.
In an alternative embodiment of the present invention, step 62 may include:
the third functional entity receives a Radio Resource Control (RRC) connection establishment request message sent by a terminal;
the third functional entity sends the RRC connection establishment request message to the first functional entity;
the first functional entity queries RRC connection configuration through the fourth functional entity and the fifth functional entity to form an RRC air interface signaling, and sends the RRC air interface signaling to the third functional entity; optionally, the first functional entity queries the fourth functional entity for RRC connection configuration; after the fourth functional entity and the fifth functional entity perform policy verification, feeding back RRC connection configuration to the first functional entity, so that the first functional entity forms an RRC air interface signaling;
the third functional entity sends the RRC air interface signaling to a terminal through an air interface, and transmits the configuration of the RRC connection to the second functional entity;
and the first functional entity sends RRC connection configuration to the fourth functional entity and the fifth functional entity respectively, so that the fourth functional entity and the fifth functional entity update the state of the terminal.
The specific process of accessing the network device by the terminal is as shown in fig. 4, and all the implementations of fig. 3 and fig. 4 are applicable to the embodiment of the terminal, so that the same technical effect can be achieved.
In an optional embodiment of the present invention, the method for accessing a network may further include:
and 63, according to the switching command, completing the switching of the terminal by the first functional entity, the second functional entity, the third functional entity, the fourth functional entity and the fifth functional entity through an open interface.
Specifically, after the fourth functional entity and the fifth functional entity perform switching policy verification, a switching policy is sent to the original first functional entity;
the original first functional entity sends a switching command to an original third functional entity according to the switching strategy, and the third functional entity sends the switching command to a terminal;
the target third functional entity receives a switching request of a terminal, sends a switching completion message to the target first functional entity after switching is completed, and sends the updated state information of the terminal to the fourth functional entity by the target first functional entity;
and the fourth functional entity sends the updated state information of the terminal to a fifth functional entity.
In the above embodiments of the present invention, the first functional entity may be a control plane function (CP) entity, the second functional entity may be a user plane function (UP) entity, the third functional entity may be an air interface Transport Plane (TP) functional entity, the fourth functional entity may be an intelligent layer (AIPF), and the fifth functional entity may be a digital twin layer (DTPF); and the functional entities interact in the implementation form of an open interface. The functions of the protocol stack are reasonably divided to form a plurality of functional units, and the functional units use an open interface mode to realize the plug and play of the newly added functional units of the network.
An embodiment of the present invention further provides a terminal, including: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission.
Further, the terminal further includes at least one of the following:
the fourth functional entity is used for data acquisition and/or intelligent decision issuing;
the fifth functional entity is used for collecting at least one of network state data, service data, control data, operation data and user behavior data and establishing a model of a real network;
the fourth functional entity is in communication connection with the first functional entity, the second functional entity and/or the third functional entity through an open interface;
the fifth functional entity is in communication connection with the first functional entity, the second functional entity, the third functional entity and/or the fourth functional entity through an open interface.
Optionally, the first functional entity includes at least one of:
a cell-level control function for configuring cell-level system parameters;
a user-level control function for performing a related control on the terminal;
a Qos level control function for performing QoS related control;
the safety function is used for being matched with a core network to carry out safety authentication and safety maintenance of data;
a measurement function for completing configuration of cell level measurement and terminal measurement;
and the scheduling function is used for finishing scheduling based on the data packet Qos according to the states of the cell and the terminal and the Qos requirements of different QoS data.
In this embodiment, the first functional entity may be a control plane function (CP) entity, the second functional entity may be a user plane function (UP) entity, the third functional entity may be an air interface Transport Plane (TP) functional entity, the fourth functional entity may be an intelligent layer (AIPF), and the fifth functional entity may be a digital twin layer (DTPF); the intelligent layer AIPF and the digital twin layer DTPF are optional according to different capabilities of the terminal. For a high-capability terminal, the state of the terminal can be modeled and then fed back to the network, and for a low-capability terminal, the necessary control plane function (CP), user plane function (UP) and air interface transmission plane function (TP) functions can be completed. The definitions of the control plane function, the user plane function, the air interface transmission plane function, the intelligent layer function and the digital twin layer function in the access network device are all applicable to the embodiment of the terminal, and the same technical effect can be achieved.
As shown in fig. 7, an embodiment of the present invention further provides a method for accessing a network, which is applied to a terminal, where the terminal includes at least three functional entities, and a first functional entity, a second functional entity, and a third functional entity in the at least three functional entities are respectively in communication connection through an open interface and perform signal transmission, and the method includes:
and 72, the first functional entity, the second functional entity and the third functional entity interact through an open interface to complete the access of the terminal.
In an alternative embodiment of the present invention, step 71 may include:
the first functional entity receives a master information block MIB and a system information block SIB which are sent by access network equipment through a third functional entity;
and the first functional entity receives an access response fed back by the access network equipment through the third functional entity.
In an alternative embodiment of the present invention, step 72 may comprise:
receiving a Radio Resource Control (RRC) connection establishment request message sent to the access network equipment through the third functional entity;
receiving, by the third functional entity, an RRC air interface signaling sent by the access network device;
and accessing the access network equipment according to the RRC air interface signaling.
In this embodiment, the first functional entity may be a control plane function (CP) entity, the second functional entity may be a user plane function (UP) entity, the third functional entity may be an air interface Transport Plane (TP) functional entity, the fourth functional entity may be an intelligent layer (AIPF), and the fifth functional entity may be a digital twin layer (DTPF); the intelligent layer AIPF and the digital twin layer DTPF are optional according to different capabilities of the terminal. For a high-capability terminal, the state of the terminal can be modeled and then fed back to the network, and for a low-capability terminal, the necessary control plane function (CP), user plane function (UP) and air interface transmission plane function (TP) functions can be completed. The definitions of the control plane function, the user plane function, the air interface transmission plane function, the intelligent layer function and the digital twin layer function in the access network device are all applicable to the embodiment of the terminal, and the same technical effect can be achieved. The above-mentioned flows of the methods shown in fig. 4 and 5 are also applicable to this embodiment, and the same technical effects 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. The method of the access network device or the method of the terminal side may be applied to this embodiment, and the same technical effect may also be achieved.
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 method of the access network device or the method of the terminal side may be applied to this embodiment, and the same technical effect may also be achieved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (20)
1. An access network device, comprising: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission.
2. The access network device of claim 1, further comprising at least one of: the fourth functional entity is used for data acquisition and/or intelligent decision issuing;
the fifth functional entity is used for collecting at least one of network state data, service data, control data, operation data and user behavior data and establishing a model of a real network;
the fourth functional entity is in communication connection with the first functional entity, the second functional entity and/or the third functional entity through an open interface;
the fifth functional entity is in communication connection with the first functional entity, the second functional entity, the third functional entity and/or the fourth functional entity through an open interface.
3. The access network device according to claim 1 or 2, wherein the first functional entity is a control plane functional entity comprising at least one of:
a cell-level control function for configuring cell-level system parameters;
a user-level control function for performing a related control on the terminal;
a Qos level control function for performing QoS related control;
the safety function is used for being matched with a core network to carry out safety authentication and safety maintenance of data;
a measurement function for completing configuration of cell level measurement and terminal measurement;
and the scheduling function is used for finishing scheduling based on the data packet Qos according to the states of the cell and the terminal and the Qos requirements of different QoS data.
4. An access network device according to claim 1 or 2, wherein the second functional entity is a user plane function, comprising:
the sequencing and retransmission control function is used for generating a corresponding identifier for the data packet according to the feedback of the terminal and the decision of the access network when the data packet is sent, wherein the identifier is a retransmission or new transmission and a corresponding sequence identifier; when receiving data, using sequence identification to sort data packets;
and the data packet assembling function is used for generating corresponding data packets according to the scheduling result, the encryption requirement and the requirements of the sequencing and retransmission functions.
5. The access network device according to claim 1 or 2, wherein the third functional entity is an air interface transport plane functional entity, and includes at least one of the following:
a physical layer processing function;
the medium access control MAC function.
6. The access network device of claim 1,
the first functional entity is connected with the transmission channel through a first open interface;
the second functional entity is connected with the transmission channel through a second open interface;
the third functional entity is connected with the transmission channel through a third open interface;
the fourth functional entity is connected with the transmission channel through a fourth open interface;
the fifth functional entity is connected with the transmission channel through a fifth open interface;
the transmission channel includes: a logical channel or a proxy entity.
7. A method for accessing a network is applied to an access network device, and the access network device comprises: the method comprises the following steps that at least three functional entities are provided, wherein a first functional entity, a second functional entity and a third functional entity in the at least three functional entities are respectively in communication connection through an open interface and perform signal transmission, and the method comprises the following steps:
the first functional entity configures system information to a terminal through the third functional entity;
and according to the access request of the terminal, the first functional entity, the second functional entity and the third functional entity interact through an open interface to finish the access of the terminal.
8. The method for accessing the network according to claim 7, wherein the first functional entity configures system information to the terminal through the third functional entity, and the method comprises:
the first functional entity sends a master information block MIB and a system information block SIB to a third functional entity;
the third functional entity sends the MIB and the SIB to a terminal;
the third functional entity receives an access request sent by a terminal and sends the access request to the first functional entity; and the first functional entity feeds back an access response of the access request to the terminal through the third functional entity according to the access request.
9. The method according to claim 7, wherein the interacting among the first functional entity, the second functional entity, and the third functional entity through an open interface according to the access request of the terminal to complete the access of the terminal includes:
the third functional entity receives a Radio Resource Control (RRC) connection establishment request message sent by a terminal;
the third functional entity sends the RRC connection establishment request message to the first functional entity;
the first functional entity queries RRC connection configuration through the fourth functional entity and the fifth functional entity to form an RRC air interface signaling, and sends the RRC air interface signaling to the third functional entity;
the third functional entity sends the RRC air interface signaling to a terminal through an air interface, and transmits the configuration of the RRC connection to the second functional entity;
and the first functional entity sends RRC connection configuration to the fourth functional entity and the fifth functional entity respectively, so that the fourth functional entity and the fifth functional entity update the state of the terminal.
10. The method for accessing the network according to claim 9, wherein the first functional entity queries the RRC connection configuration through the fourth functional entity and the fifth functional entity to form RRC air interface signaling, and includes:
the first functional entity queries the fourth functional entity for RRC connection configuration;
after the policy verification is performed on the fourth functional entity and the fifth functional entity, the RRC connection configuration is fed back to the first functional entity, so that the first functional entity forms an RRC air interface signaling.
11. The method for accessing network according to claim 9, further comprising:
and according to the switching command, the first functional entity, the second functional entity, the third functional entity, the fourth functional entity and the fifth functional entity complete the switching of the terminal through an open interface.
12. The method according to claim 11, wherein the performing, according to the handover command, the handover of the terminal by the first functional entity, the second functional entity, the third functional entity, the fourth functional entity, and the fifth functional entity through an open interface comprises:
after the fourth functional entity and the fifth functional entity carry out switching strategy verification, a switching strategy is sent to the original first functional entity;
the original first functional entity sends a switching command to an original third functional entity according to the switching strategy, and the third functional entity sends the switching command to a terminal;
the target third functional entity receives a switching request of a terminal, sends a switching completion message to the target first functional entity after switching is completed, and sends the updated state information of the terminal to the fourth functional entity by the target first functional entity;
and the fourth functional entity sends the updated state information of the terminal to a fifth functional entity.
13. A terminal, comprising: the first functional entity, the second functional entity and the third functional entity in the at least three functional entities are respectively in communication connection through open interfaces and perform signal transmission.
14. The terminal of claim 13, further comprising at least one of:
the fourth functional entity is used for data acquisition and/or intelligent decision issuing;
the fifth functional entity is used for collecting at least one of network state data, service data, control data, operation data and user behavior data and establishing a model of a real network;
the fourth functional entity is in communication connection with the first functional entity, the second functional entity and/or the third functional entity through an open interface;
the fifth functional entity is in communication connection with the first functional entity, the second functional entity, the third functional entity and/or the fourth functional entity through an open interface.
15. The terminal according to claim 13, wherein the first functional entity comprises at least one of:
a cell-level control function for configuring cell-level system parameters;
a user-level control function for performing a related control on the terminal;
a Qos level control function for performing QoS related control;
the safety function is used for being matched with a core network to carry out safety authentication and safety maintenance of data;
a measurement function for completing configuration of cell level measurement and terminal measurement;
and the scheduling function is used for finishing scheduling based on the data packet Qos according to the states of the cell and the terminal and the Qos requirements of different QoS data.
16. A method for accessing a network is applied to a terminal, the terminal includes at least three functional entities, a first functional entity, a second functional entity, and a third functional entity of the at least three functional entities are respectively in communication connection through an open interface and perform signal transmission, and the method includes:
the first functional entity receives system information configured for the terminal by the access network equipment through the third functional entity;
and the first functional entity, the second functional entity and the third functional entity interact through an open interface to complete the access of the terminal.
17. The method for accessing the network according to claim 16, wherein the first functional entity receives, through the third functional entity, system information configured by an access network device for the terminal, and includes:
the first functional entity receives a master information block MIB and a system information block SIB which are sent by access network equipment through a third functional entity;
and the first functional entity receives an access response fed back by the access network equipment through the third functional entity.
18. The method according to claim 16, wherein the first functional entity, the second functional entity, and the third functional entity interact with each other through an open interface to complete access of a terminal, and the method comprises:
receiving a Radio Resource Control (RRC) connection establishment request message sent to the access network equipment through the third functional entity;
receiving, by the third functional entity, an RRC air interface signaling sent by the access network device;
and accessing the access network equipment according to the RRC air interface signaling.
19. A communication device, comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method of any of claims 1 to 6 or 7 to 12.
20. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 6 or 7 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625642.6A CN113965926A (en) | 2020-07-01 | 2020-07-01 | Access network equipment, network access method and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625642.6A CN113965926A (en) | 2020-07-01 | 2020-07-01 | Access network equipment, network access method and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113965926A true CN113965926A (en) | 2022-01-21 |
Family
ID=79459275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010625642.6A Pending CN113965926A (en) | 2020-07-01 | 2020-07-01 | Access network equipment, network access method and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113965926A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753510A (en) * | 2004-09-23 | 2006-03-29 | 华为技术有限公司 | Radio network frame and method of implementing data transmission using said radio network frame |
| CN1767484A (en) * | 2004-10-27 | 2006-05-03 | 华为技术有限公司 | Wireless access network structure and method for realizing resources distribution |
| CN1996915A (en) * | 2005-12-31 | 2007-07-11 | 华为技术有限公司 | A system and method for realizing the network interconnection under the wireless network layer |
| CN101931876A (en) * | 2009-06-26 | 2010-12-29 | 华为技术有限公司 | Method, device and system for transferring information |
| CN108574969A (en) * | 2017-03-08 | 2018-09-25 | 华为技术有限公司 | Connection processing method in multiple access scene and device |
| CN109120528A (en) * | 2017-06-23 | 2019-01-01 | 华为技术有限公司 | A kind of network communication method and relevant device |
| CN110278111A (en) * | 2019-05-29 | 2019-09-24 | 西安电子科技大学 | A kind of intention driving network generic structure and its it is intended to driving network translation method |
-
2020
- 2020-07-01 CN CN202010625642.6A patent/CN113965926A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753510A (en) * | 2004-09-23 | 2006-03-29 | 华为技术有限公司 | Radio network frame and method of implementing data transmission using said radio network frame |
| CN1767484A (en) * | 2004-10-27 | 2006-05-03 | 华为技术有限公司 | Wireless access network structure and method for realizing resources distribution |
| CN1996915A (en) * | 2005-12-31 | 2007-07-11 | 华为技术有限公司 | A system and method for realizing the network interconnection under the wireless network layer |
| CN101931876A (en) * | 2009-06-26 | 2010-12-29 | 华为技术有限公司 | Method, device and system for transferring information |
| CN108574969A (en) * | 2017-03-08 | 2018-09-25 | 华为技术有限公司 | Connection processing method in multiple access scene and device |
| CN109120528A (en) * | 2017-06-23 | 2019-01-01 | 华为技术有限公司 | A kind of network communication method and relevant device |
| CN110278111A (en) * | 2019-05-29 | 2019-09-24 | 西安电子科技大学 | A kind of intention driving network generic structure and its it is intended to driving network translation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110263936B (en) | Horizontal federal learning method, device, equipment and computer storage medium | |
| CN111565418B (en) | O-RAN and MEC communication method and system | |
| US11134543B2 (en) | Interworking LPWAN end nodes in mobile operator network | |
| CN105850199B (en) | For managing the method and system of wireless network | |
| CN111917727A (en) | Electric power Internet of things safety intelligent image transmission system and method based on 5G and WiFi | |
| CN107124341A (en) | Intelligent home device match somebody with somebody network method and intelligent domestic system | |
| Liu et al. | The SOLIDS 6G mobile network architecture: driving forces, features, and functional topology | |
| CN109391498A (en) | The management method and the network equipment of networking component | |
| CN107342933A (en) | A kind of activation of smart machine and binding method and device | |
| CN106879048A (en) | Smart machine networking method, system and smart machine | |
| CN113993118A (en) | Data distribution method, device, equipment, functional entity and storage medium | |
| CN102752215B (en) | Processing method for VDP (vertical data processing) request messages and edge switch | |
| CN107277793A (en) | A kind of method, equipment and system transmitted for background data | |
| CN105049280B (en) | The interface Behavior modeling test macro and method of Business Management Platform | |
| CN101610548B (en) | Method for data transmission at mobile terminal user side in third-generation mobile communication system | |
| CN106658625A (en) | Network switching method and device | |
| CN114205866A (en) | Deterministic information reporting and issuing method and device, storage medium and electronic equipment | |
| CN109089299A (en) | It is a kind of to allow facility registration to cloud with network method based on SmartConfig mode | |
| CN113965926A (en) | Access network equipment, network access method and terminal | |
| CN111010323A (en) | Network distribution method and system of intelligent equipment | |
| CN109995621A (en) | Smart home device matches network method and smart home system | |
| US11363561B2 (en) | Method and apparatus for reporting information by terminal, and computer storage medium | |
| CN113055198B (en) | Application identifier set configuration method, device, apparatus and medium | |
| CN108574591A (en) | A kind of configuration method, network management device, terminal device and the network equipment | |
| Qian et al. | Efficient design and implementation of LTE UE link-layer protocol stack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |