CN113271644A - Terminal identification method, base station and terminal - Google Patents

Terminal identification method, base station and terminal Download PDF

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Publication number
CN113271644A
CN113271644A CN202010093930.1A CN202010093930A CN113271644A CN 113271644 A CN113271644 A CN 113271644A CN 202010093930 A CN202010093930 A CN 202010093930A CN 113271644 A CN113271644 A CN 113271644A
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China
Prior art keywords
terminal
access
type
identification parameter
cause value
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CN202010093930.1A
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Chinese (zh)
Inventor
傅婧
许萌
梁靖
曾二林
邢艳萍
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Priority to CN202010093930.1A priority Critical patent/CN113271644A/en
Priority to PCT/CN2021/073837 priority patent/WO2021159956A1/en
Publication of CN113271644A publication Critical patent/CN113271644A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

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

Abstract

The embodiment of the invention provides a terminal identification method, a base station and a terminal, wherein the method comprises the following steps: receiving a first terminal identification parameter sent by a terminal to be identified, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the terminal to be identified, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value; and identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter. The embodiment of the invention realizes the identification of the low-energy terminal.

Description

Terminal identification method, base station and terminal
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a terminal identification method, a base station, and a terminal.
Background
A low-Capability terminal (Reduced Capability UE) needs to be introduced into a New Radio (NR) R17 for application in a specific scenario. Specifically, the low-power terminal may have the following characteristics: reducing the number of receiving/transmitting antennas of the terminal (Reduced number of UE RX/TX antennas), reducing the Bandwidth of the terminal (UE Bandwidth reduction), Half-Duplex frequency division duplexing (Half-Duplex-FDD), not constraining the processing time of the terminal (delayed UE processing time) and not constraining the processing capability of the terminal (delayed UE processing capability).
But there is currently no solution how to identify such low-power terminals.
Disclosure of Invention
The embodiment of the invention provides a terminal identification method, a base station and a terminal, which are used for identifying a low-energy terminal.
The embodiment of the invention provides a terminal identification method, which comprises the following steps:
receiving a first terminal identification parameter sent by a terminal to be identified, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the terminal to be identified, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value;
and identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter.
The embodiment of the invention provides a terminal identification method, which comprises the following steps:
and sending a first terminal identification parameter of the terminal to the base station, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the first terminal, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value.
An embodiment of the present invention provides a terminal identification apparatus, including:
the system comprises a receiving module, a judging module and a judging module, wherein the receiving module is used for receiving a first terminal identification parameter sent by a terminal to be identified, and the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the terminal to be identified, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value;
and the identification module is used for identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter.
An embodiment of the present invention provides a terminal identification apparatus, including:
the terminal comprises a sending module and a receiving module, wherein the sending module is used for sending a first terminal identification parameter of the terminal to a base station, and the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the first terminal identification parameter, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value.
An embodiment of the present invention provides a base station, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the method steps in the foregoing embodiments.
An embodiment of the present invention provides a terminal, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor executes the computer program to implement the method steps in the foregoing embodiments.
An embodiment of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the terminal identification method.
According to the terminal identification method, the base station and the terminal provided by the embodiment of the invention, the first terminal identification parameter sent by the terminal to be identified is received, wherein the first terminal identification parameter comprises PRACH resource adopted by the terminal to be identified and/or establishment cause value for network access, and then whether the terminal to be identified is the target terminal type is identified based on the first terminal identification parameter, so that the identification of the low-energy terminal is realized, the base station can perform access control on the low-energy terminal, and the influence on other terminals and a network side is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating steps of a method for identifying a terminal at a base station side according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for identifying a terminal at a terminal side according to an embodiment of the present invention;
fig. 3 is a block diagram of a terminal identification apparatus on the base station side in the embodiment of the present invention;
fig. 4 is a block diagram of a terminal identification apparatus at a terminal side according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a base station according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Some of the words that appear in the text are explained below:
the term "and/or" in the embodiments of the present invention describes an association relationship of associated objects, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In the embodiments of the present application, the term "plurality" means two or more, and other terms are similar thereto.
In this embodiment, as shown in fig. 1, a flowchart of steps of the method for identifying a terminal applied to a base station in this embodiment is shown, where the method includes the following steps:
step 101: and receiving a first terminal identification parameter sent by the terminal to be identified.
Specifically, the first terminal identification parameter includes a Physical Random Access Channel (PRACH) resource used by the terminal to be identified, or includes an establishment cause value for performing network access, or includes a PRACH resource and an establishment cause value.
Specifically, in a Radio Resource Control (RRC) establishment request message/RRC recovery request message, a terminal will carry a corresponding establishment cause value (cause value) for a network side to perform access control; based on this, the establishment cause value can be used as an identification parameter for identifying whether the terminal to be identified is the target terminal type, so that the first terminal identification parameter can be obtained in the access process of the terminal to be identified, and thus, the identification of whether the terminal to be identified is the target terminal type is realized. And then perform a specific service or access control for the terminal of this terminal type.
In addition, in this embodiment, specifically, the PRACH resource may also be used as the first terminal identification parameter, so that the base station can identify the type of the target terminal based on the PRACH resource.
Step 102: and identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter.
In this step, specifically, after acquiring the first terminal identification parameter, the base station may identify whether the terminal to be identified is the target terminal type based on the first terminal identification parameter.
It should be noted here that the target terminal type may be a low-capability terminal type.
Therefore, in the embodiment, the base station identifies whether the terminal to be identified is the target terminal type or not through the received first terminal identification parameter of the terminal to be identified, so that the low-energy terminal can be identified in the initial access process, the base station can perform access control on the low-energy terminal, and the influence on other terminals and a network side is reduced.
Further, when receiving the first terminal identification parameter sent by the terminal to be identified, the embodiment may receive the PRACH resource sent by the terminal to be identified; and/or receiving an access message sent by the terminal to be identified, wherein the access message carries the establishment cause value.
In addition, in this embodiment, when identifying whether the terminal to be identified is the target terminal type based on the first terminal identification parameter, it may be determined that the terminal to be identified is the target terminal type when it is detected that the value of the first terminal identification parameter is the same as the corresponding value in the second terminal identification parameter corresponding to the target terminal type.
In addition, in this embodiment, before receiving a first terminal identification parameter sent by a terminal to be identified, a parameter configuration message needs to be sent to the terminal to be identified, where the parameter configuration message carries a second terminal identification parameter corresponding to a type of a target terminal; or acquiring a second terminal identification parameter corresponding to the predefined target terminal type.
Specifically, the second terminal identification parameter includes a dedicated PRACH resource corresponding to the target terminal type and/or a preset establishment cause value for performing network access.
That is, in this embodiment, the second terminal identification parameter corresponding to the target terminal type may be configured for the terminal to be identified in a network configuration manner, or the second terminal identification parameter corresponding to the target terminal type may be defined in a predefined manner, so that both the base station and the terminal can obtain the second terminal identification parameter corresponding to the target terminal type.
Wherein the dedicated PRACH resource in the second terminal identification parameter may include at least one of the following resources: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
That is, the present embodiment may identify the type of the target terminal through the dedicated PRACH resource; at this time, the dedicated PRACH resource may be a dedicated preamble, a dedicated PRACH time domain resource, a dedicated PRACH frequency domain resource, and/or a preset number of repetitions. Specifically, the dedicated PRACH time domain resource is a PRACH time domain resource different from a non-target terminal type, and the dedicated PRACH frequency domain resource is a PRACH frequency domain resource different from the non-target terminal type. It should also be noted that the dedicated PRACH resources include, but are not limited to, a 4-step random access procedure and a 2-step random access procedure.
In addition, the preset establishment cause value may include at least one of: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
Specifically, the number of the preset access types may be one or more, for example, when the target terminal type is a low-power terminal, it may be defined that a value of the preset access type is 10, the preset access type corresponds to a non-moving low-power terminal, and when the value of the preset access type is 11, the preset access type is a moving low-power terminal; of course, the specific setting of the preset access type is not limited herein.
The following describes the reason for using the preset access identifier, the preset access type, and the dedicated establishment cause as the preset establishment cause value:
specifically, in order to facilitate classification Control of different types of Access requests initiated by the management terminal, a Unified Access Control (UAC) mechanism is introduced into the NR system. Wherein different Access request types are defined as 32 protocol-predefined Access Categories (ACs) and 32 operator-reserved Access categories. Wherein AC 0-AC 7 are standard AC classifications defined in the standard, AC 8-AC 31 are AC classifications reserved for standard AC, AC 32-AC 63 are AC classifications reserved for operators, and the specific meaning of each AC is given by CT1 definition.
Meanwhile, SA1 also defines a high priority access identity (access identity). The terminal performs access control judgment based on the current access identity and the access category corresponding to the initiated service by combining the access control parameters received from the network side; if so, initiating a related procedure (e.g., a radio resource control (abbreviated RRC) connection or RRC recovery procedure); if not, the Non-Access Stratum (NAS) layer is informed that the Access is not allowed, and a corresponding timer is started (the corresponding Access control is still not allowed in the running time of the timer).
In addition, in the RRC setup request message/RRC recovery request message, the terminal will carry a corresponding cause value (cause value) for the network side to perform access control.
Based on the above description, at least one of the preset access identifier, the preset access type and the dedicated establishment cause is used as the preset establishment cause value, so that the base station can identify whether the terminal to be identified is the target terminal type in time and perform corresponding access control, thereby reducing the influence on other terminals.
Furthermore, in this embodiment, when the preset establishment cause value is the preset access identifier and/or the preset access type, and the second terminal identification parameter corresponding to the predefined target terminal type is obtained, the preset access identifier predefined by the protocol may be obtained; and/or at least one preset access type predefined by an acquisition protocol or predefined by an operator.
Specifically, the present embodiment may define and preset one or more access identifiers for the target terminal type based on a protocol predefined manner; in addition, one or more preset access types can be defined for the type of the target terminal based on a protocol predefined mode; in addition, one or more preset access types can be defined for the target terminal type based on an operator predefined mode, and at this time, multiple preset access types can be predefined in the NAS layer message according to different access service types.
In addition, further, before sending the parameter configuration message to the terminal to be identified, the embodiment may further include at least one of the following operations:
configuring at least one preset access type based on the type of a target terminal, the type of an access service of the terminal and/or the function classification of the target terminal;
classifying at least one dedicated establishment cause based on the type of the target terminal, the access service type configuration of the terminal and/or the function of the target terminal;
and configuring at least one preset access identifier based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal.
For example, when at least one preset access type is configured based on the target terminal type and the access service type, assuming that the target terminal type is a low-capability terminal type, if the access service of the low-capability terminal is a common data service, the value of the preset access type may be configured to be 10; if the access service of the low-capability terminal is a voice service, a value of a preset access type can be configured to be 11; if the access service type of the low-power terminal is a critical service, the value of the preset access type may be configured to be 12.
For another example, when at least one dedicated establishment cause is configured based on the target terminal type and the access service type, assuming that the target terminal type is a low-capability terminal type, if the access service type is a general service, the dedicated establishment cause may be a general service triggered by the low-capability terminal; if the access service type is a delay sensitive service, the special construction reason can be a sensitive service triggered by a low-capability terminal.
For another example, when at least one preset access identifier is configured based on the type of the target terminal and/or the function classification of the target terminal, the preset access identifier of the low-capability terminal with the function classification of wearable equipment is configured to be 3; and the preset access identifier of the low-energy terminal with the configuration function classified as the urban monitoring equipment is 4.
Furthermore, when at least one preset access category may be configured based on the type of the target terminal and/or the configuration of the access service type and/or the function category of the target terminal, the access category corresponding to the low-capability terminal whose configuration function is classified as a wearable device is 3, the access type corresponding to the low-capability terminal whose configuration function is classified as a wearable device is 4 when the access service is a general service, and the access type corresponding to the low-capability terminal whose configuration function is configured and the access service is a delay-sensitive service is 5.
In this way, in this embodiment, by receiving the first terminal identification parameter sent by the terminal to be identified, whether the terminal to be identified is the target terminal type is identified, so that the identification of the target terminal type is achieved, and thus the base station can perform access control on the target terminal type, thereby reducing the influence on other terminals and the network side.
In addition, as shown in fig. 2, which is a flowchart of steps at the terminal side in the embodiment of the present invention, the method includes the following steps:
step 201: and sending the first terminal identification parameter of the terminal to the base station.
Specifically, the first terminal identification parameter includes a PRACH resource used by the first terminal identification parameter itself, or includes an establishment cause value for performing network access, or includes a PRACH resource and an establishment cause value.
In this way, by sending the first terminal identification parameter of itself to the base station, the base station can identify the terminal type of the terminal based on the first terminal identification parameter, thereby enabling to identify whether the terminal is a low-capability terminal.
Specifically, when the first terminal identification parameter of the terminal itself is sent to the base station, the PRACH resource may be sent to the base station; and/or sending an access message to the base station, wherein the access message carries the establishment cause value.
It should be noted that the above-mentioned sending process corresponds to a receiving process at the base station side, and for specific contents of the sending process, reference may be made to related contents at the base station side, which is not described herein again.
In addition, further, before the terminal sends the first terminal identification parameter of the terminal to the base station, a parameter configuration message sent by the base station needs to be received, wherein the parameter configuration message carries a second terminal identification parameter corresponding to the type of the target terminal; or acquiring a second terminal identification parameter corresponding to a predefined target terminal type;
the second terminal identification parameter comprises a dedicated PRACH resource corresponding to the type of the target terminal and/or a preset establishment cause value.
Specifically, the target terminal type may be a low-capability terminal type.
In addition, specifically, the dedicated PRACH resource includes at least one of the following resources: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
The preset establishment cause value includes at least one of: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
In addition, in this embodiment, when the preset establishment cause value is the preset access identifier and/or the preset access type, and the second terminal identification parameter corresponding to the predefined target terminal type is obtained, the preset access identifier predefined by the protocol may be obtained; and/or at least one preset access type predefined by an acquisition protocol or predefined by an operator.
It should be noted that, in the foregoing embodiment, for the specific obtaining process of the second terminal identification parameter, reference may be made to a corresponding method portion at the base station side, and details are not described herein again.
In addition, further, in this embodiment, when the preset establishment cause value is predefined in the protocol, before the terminal sends the first terminal identification parameter of the terminal itself to the base station, the terminal further determines the establishment cause value corresponding to the terminal based on the terminal type, the access service type, and/or the target terminal function classification of the terminal itself, and the terminal type, the access service type, and/or the target terminal function classification corresponding to the preset establishment cause value.
And the protocol defines at least one preset access identifier, preset access type and/or special establishment reason based on the type of the target terminal and/or the type of the access service of the terminal and/or the functional classification of the target terminal.
In this way, the terminal can determine its corresponding establishment cause value, i.e. its first terminal identification parameter, according to the predefined related content in the protocol.
In addition, further, before the terminal sends the first terminal identification parameter of the terminal itself to the base station, the terminal may further include at least one of the following:
when the received preset access identification corresponds to the terminal function classification, determining an establishment cause value corresponding to the preset access identification based on the terminal function classification and the terminal type in the subscription information;
when the received preset access identification corresponds to the access service type classification, determining an establishment cause value corresponding to the preset access identification based on the terminal type of the preset access identification in the subscription information and the access service type classification corresponding to the trigger access;
and when the received preset access identification corresponds to the terminal function classification and the access service type classification, determining an establishment cause value corresponding to the preset access identification based on the terminal type of the preset access identification, the terminal function type and the access service type classification corresponding to the trigger access in the subscription information.
For example, the network side configures an access identifier corresponding to a certain classification (for example, the network side configures an access identifier of a low-power terminal of a wearable device class to be 3, and configures an access identifier of a low-power terminal of a city monitoring device to be 4, and the terminal knows that the terminal is a low-power terminal according to subscription information, and the classification belongs to the city monitoring device class configured on the network side, and then the access identifier of the terminal is 4.
In addition, the embodiment may also determine the establishment cause value based on the preset access identifier and/or the preset access type, so as to implement the acquisition process of the establishment cause value.
In this way, in this embodiment, the first terminal identification parameter of the terminal itself is sent to the base station, where the first terminal identification parameter includes the PRACH resource used by the terminal itself and/or the establishment cause value for performing network access, so that the base station can identify whether the terminal is the target terminal type based on the first terminal identification parameter, thereby implementing identification of the low-capability terminal.
The following describes the whole process of the above embodiment by taking the target terminal type as a low-capability terminal as an example through a specific embodiment.
The first embodiment is as follows: taking the special PRACH resource as a second terminal identification parameter:
specifically, in the step one, the base station allocates a dedicated PRACH resource to the low-power terminal, which may include at least one of the following resources: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times. The PRACH resources include, but are not limited to, a 4-step access procedure and a 2-step access procedure.
Step two: the low-power terminal initiates initial access by adopting a special PRACH resource.
Step three: and the base station identifies the terminal as a low-capability terminal based on the special PRACH resource. In addition, the base station may respond accordingly based thereon. For example, if the access is 4-step access, the base station may respond to the dedicated MSG2, and such MSG2 may have more repetition times, thereby compensating the characteristic that the downlink receiving capability of the low-capability terminals is weak; if the access is 2 steps, the network side responds to the MSGB in the special format.
In the above process, the base station may also control the network capacity when the low-capability terminals initially access through the allocated dedicated PRACH resource.
Example two: taking a preset access identifier or a preset access type as a second terminal identification parameter:
aiming at the preset access identifier: a preset access identifier can be defined for the low-energy terminal based on a protocol predefined mode; optionally, at this time, the terminal may further determine whether the terminal belongs to the preset access identifier based on the configuration sent by the base station. For example, 3-10 of the access identifiers in the current protocol are reserved identifiers, the subscription information can be set as a low-capability terminal in the protocol, or the subscription information is set as a low-capability terminal according to the USIM card information identifier, and the corresponding access identifier is set as 3; optionally, the base station configures an access identifier corresponding to a certain classification (for example, the base station configures an access identifier of a low-power terminal of a wearable device class to be 3, and configures an access identifier of a low-power terminal of the city monitoring device to be 4, and the terminal knows that the terminal is the low-power terminal according to the subscription information, and the classification just belongs to the city monitoring device class configured by the base station, and then the access identifier of the terminal is 4 at this time.
In addition, possible ways of presetting the access type include the following:
first, one or more preset access types (access categories) are defined for the low-capability terminals based on a protocol predefined manner. For example, defining the current access category as 10 as a low-power terminal, or defining the access category as 10 as a non-moving low-power terminal, and defining the access category as 11 as a moving low-power terminal; that is, if a certain terminal is a low-power terminal and is stationary, the access identity corresponding to the terminal is 10. Furthermore, the protocol may also predefine multiple access categories according to different service types in combination with terminal attributes (low-capability terminals): for example, if the low-power terminal initiates a common data service, the corresponding access category is 10; if the terminal with low capability initiates the voice service, the corresponding access category is 11; if the terminal with low power initiates the critical service, the corresponding access category is 12. In addition, the low-capability terminal needs to further determine a corresponding access identifier according to the initiated service type.
Secondly, one or more preset access types are defined for the low-capability terminals based on the predefined mode of the operator. A dedicated access category 33 is defined for such low capability terminals, e.g. by NAS layer message configuration. Furthermore, in the NAS layer message, multiple access categories may be configured according to different service types and UE attributes (low-capability terminals): for example, for a low-energy terminal, if the initiated service is a common service, the corresponding access category is configured to be 34; for a low-energy terminal, if the initiated service is a small packet, the corresponding access category is configured to be 35. In this case, the low-power terminal determines the corresponding access identifier according to the obtained NAS layer message and the type of the initiated service.
By the mode, the low-energy terminal can be identified as a certain preset access identifier or a preset access type, so that the base station is helped to carry out access control on the terminal. For example, the low-capability terminal informs the base station of the access identifier and/or the access type in the access message. And the base station identifies the terminal as a low-capability terminal based on the received access identification and/or access type. In addition, the base station may respond accordingly based thereon. For example, the base station may perform different operations for the UE according to the identified information. For example, if the current air interface resources are in shortage, the network side may directly reject the access or initiated service of the UE; for example, if the UE is a UE with reduced capability and the transmission is general traffic, the network performs a delay response for the UE. In addition, if the base station wants to limit the access of the low-capability terminal or the access of a certain service corresponding to the low-capability terminal, the access control probability corresponding to the preset access type may be set to be lower, or the preset access type may be set to be not allowed to be accessed. Therefore, the base station can enable the terminal to perform self-identification based on the access identification and/or the access type, and control the probability that the low-capacity terminals initially access the network side based on the access control probability sent by the base station side.
Example three: using the special establishment reason as a second terminal identification parameter:
such low-capability terminals are assigned a dedicated establishment cause based on protocol pre-definition or base station side configuration. For example, the protocol definition, the preset access identifier and/or the preset access type in the second embodiment correspond to a dedicated establishment cause (for example, the establishment cause of the process is triggered by a low-capability terminal); or the base station side is configured and signed as a low-capability terminal and corresponds to a special establishment reason. Furthermore, based on the initiated access service, multiple dedicated establishment reasons may be allocated to the low-capability terminal, for example, for a general service, the corresponding establishment reason is a general service triggered by the low-capability terminal; for the delay sensitive service, the corresponding establishment reason is the sensitive service triggered by the low-capability terminal, and the like.
The terminal informs the special establishment reason to the base station side in the access process, for example, in the RRC connection establishment/RRC connection recovery process, the special establishment reason is carried; or the special establishment reason is carried in the MAC layer to inform the base station side.
The base station side can identify the terminal as a low-capacity terminal based on the special establishment reason reported by the terminal; further, the corresponding service is identified. In addition, the base station side may perform different operations on the terminal according to the identified information, for example, if the current air interface resource is insufficient, the base station side may directly reject the access or initiated service of the terminal; for example, if it is a low-power terminal and the transmission is a general service, the base station side performs a delay response to this terminal.
Further, as shown in fig. 3, the present invention is a block diagram of a terminal identification apparatus on a base station side, the apparatus including:
a receiving module 301, configured to receive a first terminal identification parameter sent by a terminal to be identified, where the first terminal identification parameter includes a PRACH resource of a physical random access channel used by the terminal to be identified, or includes an establishment cause value for performing network access, or includes the PRACH resource and the establishment cause value;
an identifying module 302, configured to identify whether the terminal to be identified is a target terminal type based on the first terminal identification parameter.
Optionally, the receiving module 302 includes:
a first receiving unit, configured to receive PRACH resources sent by the terminal to be identified; and/or
A second receiving unit, configured to receive an access message sent by the terminal to be identified, where the access message carries the establishment cause value.
Optionally, the apparatus further comprises:
the sending module is used for sending a parameter configuration message to the terminal to be identified, wherein the parameter configuration message carries a second terminal identification parameter corresponding to the type of the target terminal; alternatively, the first and second electrodes may be,
the acquisition module is used for acquiring a second terminal identification parameter corresponding to a predefined target terminal type;
the second terminal identification parameter includes a dedicated PRACH resource corresponding to the target terminal type and/or a preset establishment cause value for performing network access.
Optionally, the dedicated PRACH resources include at least one of: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
Optionally, the preset establishment cause value comprises at least one of: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
Optionally, before sending the parameter configuration message to the terminal to be identified, the apparatus further includes a configuration module, configured to perform at least one of the following:
configuring at least one preset access type based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal;
configuring at least one special establishment reason based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal;
and configuring at least one preset access identifier based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal.
It should be noted that the above apparatus can implement all the method steps of the method embodiment on the base station side, and can achieve the same technical effect, and the method steps and the beneficial effects that are the same as those in the method embodiment in this embodiment are not described again.
Further, as shown in fig. 4, there is a block diagram of a terminal identification apparatus at a terminal side, the apparatus including:
a sending module 401, configured to send a first terminal identification parameter of a terminal to a base station, where the first terminal identification parameter includes a PRACH resource of a physical random access channel adopted by the terminal, or includes an establishment cause value for performing network access, or includes the PRACH resource and the establishment cause value.
Optionally, the sending module 401 includes:
a first transmitting unit, configured to transmit a PRACH resource to a base station; and/or
A second sending unit, configured to send an access message to a base station, where the access message carries the establishment cause value.
Optionally, the apparatus further comprises:
a receiving module, configured to receive a parameter configuration message sent by a base station, where the parameter configuration message carries a second terminal identification parameter corresponding to a type of a target terminal; alternatively, the first and second electrodes may be,
the acquisition module is used for acquiring a second terminal identification parameter corresponding to a predefined target terminal type;
the second terminal identification parameter includes a dedicated PRACH resource and/or a preset establishment cause value corresponding to the target terminal type.
Optionally, the dedicated PRACH resources include at least one of: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
Optionally, the preset establishment cause value comprises at least one of: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
It should be noted that, the above apparatus can implement all the method steps of the terminal side method embodiment and achieve the same technical effect, and the method steps and the beneficial effects that are the same as those in the method embodiment in this embodiment are not described again.
In addition, as shown in fig. 5, an entity structure diagram of a base station provided in the embodiment of the present invention is shown, where the base station may include: a processor (processor)510, a communication Interface (Communications Interface)520, a memory (memory)530 and a communication bus 540, wherein the processor 510, the communication Interface 520 and the memory 530 communicate with each other via the communication bus 540. Processor 510 may invoke a computer program stored on memory 530 and executable on processor 510 to perform the following steps:
receiving a first terminal identification parameter sent by a terminal to be identified, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the terminal to be identified, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value; and identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter.
Optionally, the receiving the first terminal identification parameter sent by the terminal to be identified includes: receiving PRACH resources sent by the terminal to be identified; and/or receiving an access message sent by a terminal to be identified, wherein the access message carries the establishment cause value.
Optionally, before receiving the first terminal identification parameter sent by the terminal to be identified, the method further includes: sending a parameter configuration message to a terminal to be identified, wherein the parameter configuration message carries a second terminal identification parameter corresponding to the type of a target terminal; or acquiring a second terminal identification parameter corresponding to a predefined target terminal type; the second terminal identification parameter includes a dedicated PRACH resource corresponding to the target terminal type and/or a preset establishment cause value for performing network access.
Optionally, the dedicated PRACH resources include at least one of: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
Optionally, the preset establishment cause value comprises at least one of: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
Optionally, before sending the parameter configuration message to the terminal to be identified, at least one of the following is further included: configuring at least one preset access type based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal; configuring at least one special establishment reason based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal; and configuring at least one preset access identifier based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal.
Optionally, when the preset establishment cause value is a preset access identifier and/or a preset access type, the obtaining a second terminal identification parameter corresponding to a predefined target terminal type includes: acquiring a preset access identifier predefined by a protocol; and/or at least one preset access type predefined by an acquisition protocol or predefined by an operator.
It should be noted that the base station can implement all the method steps of the method embodiment on the base station side and achieve the same technical effect, and the method steps and the beneficial effects that are the same as those in the method embodiment in this embodiment are not described again.
Furthermore, the logic instructions in the memory 530 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. 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: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In addition, as shown in fig. 6, an entity structure diagram of a terminal provided in the embodiment of the present invention is shown, where the terminal may include: a processor (processor)610, a communication Interface (Communications Interface)620, a memory (memory)630 and a communication bus 640, wherein the processor 610, the communication Interface 620 and the memory 630 communicate with each other via the communication bus 640. The processor 610 may invoke a computer program stored on the memory 630 and executable on the processor 610 to perform the following steps:
and sending a first terminal identification parameter of the terminal to the base station, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the first terminal, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value.
Optionally, the sending the first terminal identification parameter of the terminal to the base station includes: sending PRACH resources to a base station; and/or sending an access message to a base station, wherein the access message carries the establishment cause value.
Optionally, before sending the first terminal identification parameter of the terminal itself to the base station, the method further includes: receiving a parameter configuration message sent by a base station, wherein the parameter configuration message carries a second terminal identification parameter corresponding to a target terminal type; or acquiring a second terminal identification parameter corresponding to a predefined target terminal type; the second terminal identification parameter includes a dedicated PRACH resource and/or a preset establishment cause value corresponding to the target terminal type.
Optionally, the dedicated PRACH resources include at least one of: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
Optionally, the preset establishment cause value comprises at least one of: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
Optionally, when the preset establishment cause value is a preset access identifier and/or a preset access type, the obtaining a second terminal identification parameter corresponding to a predefined target terminal type includes: acquiring a preset access identifier predefined by a protocol; and/or at least one preset access type predefined by an acquisition protocol or predefined by an operator.
Optionally, when the preset establishment cause value is predefined in a protocol, before the sending the first terminal identification parameter of the terminal itself to the base station, the method further includes: and determining the corresponding establishment cause value based on the self terminal type, the access service type and/or the target terminal function classification and the terminal type, the access service type and/or the target terminal function classification corresponding to the preset establishment cause value.
Optionally, before sending the first terminal identification parameter of the terminal itself to the base station, at least one of the following is further included: when the received preset access identification corresponds to the terminal function classification, determining an establishment cause value corresponding to the preset access identification based on the terminal function classification and the terminal type in the subscription information; when the received preset access identification corresponds to the access service type classification, determining an establishment cause value corresponding to the preset access identification based on the terminal type of the preset access identification in the subscription information and the access service type classification corresponding to the trigger access; and when the received preset access identification corresponds to the terminal function classification and the access service type classification, determining an establishment cause value corresponding to the preset access identification based on the terminal type of the preset access identification, the terminal function type and the access service type classification corresponding to the trigger access in the subscription information.
It should be noted that the terminal can implement all the method steps of the terminal side method embodiment and achieve the same technical effect, and the method steps and the beneficial effects that are the same as those of the method embodiment in this embodiment are not described again.
Embodiments of the present invention further provide a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented to perform the method steps provided in the foregoing embodiments when executed by a processor, and details of the same method steps and beneficial effects are not repeated herein.
The above-described embodiments of the apparatus are merely illustrative, and 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 modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (24)

1. A terminal identification method, comprising:
receiving a first terminal identification parameter sent by a terminal to be identified, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the terminal to be identified, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value;
and identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter.
2. The method according to claim 1, wherein the receiving the first terminal identification parameter sent by the terminal to be identified comprises:
receiving PRACH resources sent by the terminal to be identified; and/or
And receiving an access message sent by the terminal to be identified, wherein the access message carries the establishment cause value.
3. The method according to claim 1, wherein before receiving the first terminal identification parameter sent by the terminal to be identified, the method further comprises:
sending a parameter configuration message to a terminal to be identified, wherein the parameter configuration message carries a second terminal identification parameter corresponding to the type of a target terminal; alternatively, the first and second electrodes may be,
acquiring a second terminal identification parameter corresponding to a predefined target terminal type;
the second terminal identification parameter includes a dedicated PRACH resource corresponding to the target terminal type and/or a preset establishment cause value for performing network access.
4. The terminal identification method according to claim 3, wherein the dedicated PRACH resource comprises at least one of the following resources: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
5. The method according to claim 3 or 4, wherein the preset establishment cause value comprises at least one of the following: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
6. The method according to claim 5, wherein when the predetermined establishment cause value is a predetermined access identifier and/or a predetermined access type, the obtaining a second terminal identification parameter corresponding to a predefined target terminal type includes:
acquiring a preset access identifier predefined by a protocol; and/or the presence of a gas in the gas,
at least one preset access type predefined by an acquisition protocol or predefined by an operator.
7. The method according to claim 5, wherein before sending the parameter configuration message to the terminal to be identified, the method further comprises at least one of the following:
configuring at least one preset access type based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal;
configuring at least one special establishment reason based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal;
and configuring at least one preset access identifier based on the type of the target terminal, the access service type of the terminal and/or the function classification of the target terminal.
8. A terminal identification method, comprising:
and sending a first terminal identification parameter of the terminal to the base station, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the first terminal, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value.
9. The method according to claim 8, wherein the sending the first terminal identification parameter of the terminal itself to the base station comprises:
sending PRACH resources to a base station; and/or
And sending an access message to a base station, wherein the access message carries the establishment cause value.
10. The method according to claim 8, wherein before sending the first terminal identification parameter of the terminal itself to the base station, the method further comprises:
receiving a parameter configuration message sent by a base station, wherein the parameter configuration message carries a second terminal identification parameter corresponding to a target terminal type; alternatively, the first and second electrodes may be,
acquiring a second terminal identification parameter corresponding to a predefined target terminal type;
the second terminal identification parameter includes a dedicated PRACH resource and/or a preset establishment cause value corresponding to the target terminal type.
11. The terminal identification method according to claim 10, wherein the dedicated PRACH resources comprise at least one of the following resources: dedicated preamble, dedicated PRACH time domain resource, dedicated PRACH frequency domain resource, and preset repetition times.
12. The method according to claim 10 or 11, wherein the preset establishment cause value comprises at least one of the following: the access method comprises the steps of presetting an access identifier, presetting an access type and a special establishment reason.
13. The method according to claim 12, wherein when the preset establishment cause value is a preset access identifier and/or a preset access type, the obtaining a second terminal identification parameter corresponding to a predefined target terminal type includes:
acquiring a preset access identifier predefined by a protocol; and/or the presence of a gas in the gas,
at least one preset access type predefined by an acquisition protocol or predefined by an operator.
14. The method according to claim 12, wherein when the preset establishment cause value is predefined by a protocol, before the sending the first terminal identification parameter of the terminal itself to the base station, the method further comprises:
and determining the corresponding establishment cause value based on the self terminal type, the access service type and/or the target terminal function classification and the terminal type, the access service type and/or the target terminal function classification corresponding to the preset establishment cause value.
15. The method according to claim 12, wherein before sending the first terminal identification parameter of the terminal itself to the base station, the method further comprises at least one of the following:
when the received preset access identification corresponds to the terminal function classification, determining an establishment cause value corresponding to the preset access identification based on the terminal function classification and the terminal type in the subscription information;
when the received preset access identification corresponds to the access service type classification, determining an establishment cause value corresponding to the preset access identification based on the terminal type of the preset access identification in the subscription information and the access service type classification corresponding to the trigger access;
and when the received preset access identification corresponds to the terminal function classification and the access service type classification, determining an establishment cause value corresponding to the preset access identification based on the terminal type of the preset access identification, the terminal function type and the access service type classification corresponding to the trigger access in the subscription information.
16. A terminal identification device, comprising:
the system comprises a receiving module, a judging module and a judging module, wherein the receiving module is used for receiving a first terminal identification parameter sent by a terminal to be identified, and the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the terminal to be identified, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value;
and the identification module is used for identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter.
17. A terminal identification device, comprising:
the terminal comprises a sending module and a receiving module, wherein the sending module is used for sending a first terminal identification parameter of the terminal to a base station, and the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the first terminal identification parameter, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value.
18. A base station comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program performs the steps of:
receiving a first terminal identification parameter sent by a terminal to be identified, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the terminal to be identified, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value;
and identifying whether the terminal to be identified is the type of the target terminal or not based on the first terminal identification parameter.
19. The base station according to claim 18, wherein said receiving the first terminal identification parameter sent by the terminal to be identified comprises:
receiving PRACH resources sent by the terminal to be identified; and/or
And receiving an access message sent by the terminal to be identified, wherein the access message carries the establishment cause value.
20. The base station according to claim 18, wherein before receiving the first terminal identification parameter sent by the terminal to be identified, the processor executes the computer program to further implement the following steps:
sending a parameter configuration message to a terminal to be identified, wherein the parameter configuration message carries a second terminal identification parameter corresponding to the type of a target terminal; alternatively, the first and second electrodes may be,
acquiring a second terminal identification parameter corresponding to a predefined target terminal type;
the second terminal identification parameter includes a dedicated PRACH resource corresponding to the target terminal type and/or a preset establishment cause value for performing network access.
21. A terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program performs the steps of:
and sending a first terminal identification parameter of the terminal to the base station, wherein the first terminal identification parameter comprises a Physical Random Access Channel (PRACH) resource adopted by the first terminal, or comprises an establishment cause value for network access, or comprises the PRACH resource and the establishment cause value.
22. The terminal according to claim 21, wherein said sending the first terminal identification parameter of the terminal itself to the base station comprises:
sending PRACH resources to a base station; and/or
And sending an access message to a base station, wherein the access message carries the establishment cause value.
23. The terminal according to claim 21, wherein before sending the first terminal identification parameter of the terminal itself to the base station, further comprising:
receiving a parameter configuration message sent by a base station, wherein the parameter configuration message carries a second terminal identification parameter corresponding to a target terminal type; alternatively, the first and second electrodes may be,
acquiring a second terminal identification parameter corresponding to a predefined target terminal type;
the second terminal identification parameter includes a dedicated PRACH resource and/or a preset establishment cause value corresponding to the target terminal type.
24. A non-transitory computer readable storage medium, on which a computer program is stored, which, when being executed by a processor, performs the steps of the terminal identification method according to any one of claims 1 to 7 or the steps of the terminal identification method according to any one of claims 8 to 15.
CN202010093930.1A 2020-02-14 2020-02-14 Terminal identification method, base station and terminal Pending CN113271644A (en)

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Application publication date: 20210817