CN108430112B - Random access method, terminal and base station - Google Patents
Random access method, terminal and base station Download PDFInfo
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- CN108430112B CN108430112B CN201710076938.5A CN201710076938A CN108430112B CN 108430112 B CN108430112 B CN 108430112B CN 201710076938 A CN201710076938 A CN 201710076938A CN 108430112 B CN108430112 B CN 108430112B
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- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
The embodiment of the invention provides a random access method, a terminal and a base station, wherein the method comprises the following steps: sending indication information for indicating a process type corresponding to a state when the terminal transmits information to a network side; and sending information corresponding to the flow type corresponding to the indication information to a network side. The scheme of the invention realizes that the indication information of the differentiation process is provided under the framework of unified access, so that the network can decide differentiated resource allocation and access flow processing based on the indication information.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a random access method, a terminal, and a base station.
Background
Discussion of the current 3GPP NR (New Radio) (part of 5G) is well-established, wherein there is an issue of UL data transmission in INACTIVE state. Unlike the conventional 4G, the user must enter a CONNECTED state (CONNECTED) to transmit data; in the new system, the user can complete the transmission of partial type data, such as very small data, in the new state INACTIVE (no air interface connection).
However, in a unified access framework, if an access flow of a terminal in an inactive state can be performed, an access flow of a terminal converted from the inactive state to a connected state can also be performed, and an access flow of a terminal converted from an idle state to a connected state can also be performed, how to adaptively select a differentiated access flow is not a solution at present.
Disclosure of Invention
The invention provides a random access method, a terminal and a base station. Under the framework of unified access, indication information of a differentiation process is provided, so that a network can decide differentiated resource allocation and access flow processing based on the indication information.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
a random access method, comprising:
sending indication information for indicating a process type corresponding to a state when the terminal transmits information to a network side;
and sending information corresponding to the flow type corresponding to the indication information to a network side.
The step of sending the indication information for indicating the process type corresponding to the state of the terminal when the terminal transmits information to the network side includes: and in the random access process and/or when the information corresponding to the process type corresponding to the indication information is sent to the network side, sending the indication information of the process type corresponding to the state when the terminal transmits the information to the network side.
The step of sending the indication information for indicating the process type corresponding to the state of the terminal when the terminal transmits information to the network side includes: sending a random access request carrying a lead code to a network side, wherein the lead code carries the indication information indicating the flow type corresponding to the state of the terminal when the terminal carries out information;
and receiving a random access response fed back by the network side according to the lead code, wherein the random access response carries the authorization resource corresponding to the process type determined for the terminal.
The step of sending information corresponding to the process type corresponding to the indication information to the network side includes: and sending information corresponding to the flow type corresponding to the indication information to a network side on the authorized resource.
When the information corresponding to the process type corresponding to the indication information is sent to the network side, the step of sending the indication information for indicating the process type corresponding to the state of the terminal during data transmission to the network side includes: sending a random access request including a lead code to a network side;
and receiving a random access response fed back by the network side according to the lead code, wherein the random access response carries the authorized resources determined for the terminal.
The step of sending information corresponding to the process type corresponding to the indication information to the network side includes:
and sending information corresponding to the flow type corresponding to the indication information to a network side on the authorized resource.
Wherein, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: the terminal and the radio resource control RRC connection at the network side are in an inactive state, and the inactive state is converted into a connected state or the idle state is converted into the connected state.
The indication information of the flow type corresponding to the terminal in the inactive state is different from the indication information of the flow type corresponding to the terminal in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state.
The indication information of the process type corresponding to the terminal in the state of being in the inactive state and being converted into the connected state is different from the indication information of the process type corresponding to the state of being in the idle state and being converted into the connected state.
The step of sending information corresponding to the process type corresponding to the indication information to the network side includes:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the RRC connection between the terminal and the network side is in an inactive state, sending information corresponding to the flow type corresponding to the indication information to the network side, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
Wherein the information comprises: when the identifier of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent to a network side, and the identifier of the terminal is carried in the RRC connection recovery request;
the step of sending the information corresponding to the process type corresponding to the indication information to the network side includes: and sending the RRC connection recovery request and the service data to a network side.
Wherein the information comprises: when the terminal identification and the service data are transmitted, the step of sending the information corresponding to the flow type corresponding to the indication information to the network side comprises the following steps: and directly sending the identifier of the terminal and the service data to a network side.
The step of sending information corresponding to the process type corresponding to the indication information to the network side includes:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection recovery request, the RRC connection recovery request is sent to a network side, and the service data are sent through the RRC connection after the RRC connection is recovered.
The step of sending information corresponding to the process type corresponding to the indication information to the network side includes:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, sends the RRC connection establishment request to a network side, and sends the service data through the RRC connection after the RRC connection is established.
The embodiment of the invention also provides a random access method, which comprises the following steps:
receiving indication information which is sent by a terminal and used for indicating the process type corresponding to the state of the terminal during information transmission;
and receiving information corresponding to the flow type corresponding to the indication information sent by the terminal.
The step of receiving the indication information which is sent by the terminal and used for indicating the process type corresponding to the state of the terminal during information transmission comprises the following steps: and receiving the indication information which is sent by the terminal and used for indicating the flow type corresponding to the state of the terminal during information transmission in the random access process or when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side.
In the random access process, the step of receiving the indication information which is sent by the terminal and used for indicating the process type corresponding to the state of the terminal when the terminal carries out information transmission comprises the following steps: receiving a random access request which is sent by a terminal and carries a lead code, wherein the lead code carries indication information indicating a flow type corresponding to a state when the terminal carries out information.
The method for receiving the indication information which is sent by the terminal and used for indicating the process type corresponding to the state when the terminal carries out information transmission further comprises the following steps: and feeding back a random access response to the terminal according to the indication information in the lead code, wherein the random access response carries the authorized resource corresponding to the process type determined for the terminal.
The step of receiving information corresponding to the process type corresponding to the indication information sent by the terminal includes: and receiving information corresponding to the flow type corresponding to the indication information sent by the terminal on the authorized resource.
When the terminal sends the information corresponding to the process type corresponding to the indication information to the network side, the step of receiving the indication information which is sent by the terminal and used for indicating the process type corresponding to the state when the terminal carries out information transmission comprises the following steps:
receiving a random access request which is sent by a terminal and comprises a lead code;
and feeding back a random access response to the terminal according to the lead code, wherein the random access response carries the authorized resources determined for the terminal.
The step of receiving information corresponding to the process type corresponding to the indication information sent by the terminal includes: and receiving information corresponding to the flow type corresponding to the indication information sent by the terminal on the authorized resource.
Wherein, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: the terminal and the radio resource control RRC connection at the network side are in an inactive state, and the inactive state is converted into a connected state or the idle state is converted into the connected state.
The indication information of the flow type corresponding to the terminal in the inactive state is different from the indication information of the flow type corresponding to the terminal in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state.
The indication information of the process type corresponding to the terminal in the state of being in the inactive state and being converted into the connected state is different from the indication information of the process type corresponding to the state of being in the idle state and being converted into the connected state.
The step of receiving information corresponding to the process type corresponding to the indication information sent by the terminal includes: the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the RRC connection between the terminal and the network side is in an inactive state, receiving information corresponding to the flow type corresponding to the indication information sent by the terminal, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
Wherein the information comprises: when the identification of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent by the terminal to a network side, and the identification of the terminal is carried in the RRC connection recovery request;
the step of receiving the information corresponding to the process type corresponding to the indication information sent by the terminal comprises the following steps:
and receiving the RRC connection recovery request and the service data sent by the terminal.
Wherein the information comprises: when the terminal identifier and the service data are received, the step of receiving the information corresponding to the process type corresponding to the indication information sent by the terminal comprises the following steps:
and directly receiving the identification and the service data of the terminal sent by the terminal.
The step of receiving information corresponding to the process type corresponding to the indication information sent by the terminal includes: the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of receiving an RRC connection recovery request sent by a terminal, and receiving service data through the RRC connection after the RRC connection is recovered.
The step of receiving information corresponding to the process type corresponding to the indication information sent by the terminal includes: the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, the RRC connection establishment request sent by a terminal is received, and the service data is received through the RRC connection after the RRC connection is established.
An embodiment of the present invention further provides a terminal, including:
the first sending module is used for sending indication information for indicating a process type corresponding to a state when the terminal transmits information to a network side;
and the second sending module is used for sending the information corresponding to the flow type corresponding to the indication information to the network side.
An embodiment of the present invention further provides a base station, including:
the first receiving module is used for receiving indicating information which is sent by the terminal and used for indicating the process type corresponding to the state of the terminal during information transmission;
and the second receiving module is used for receiving the information corresponding to the process type corresponding to the indication information sent by the terminal.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, the indicating information used for indicating the process type corresponding to the state of the terminal during information transmission is sent to the network side; and sending information corresponding to the flow type corresponding to the indication information to a network side. Therefore, the indication information of the differentiation process is provided under the framework of unified access, so that the network can decide differentiated resource allocation and access flow processing based on the indication information.
Drawings
Fig. 1 is a flowchart of a random access method according to an embodiment of the present invention;
fig. 2 is another flowchart of a random access method according to an embodiment of the present invention;
fig. 3 is a flowchart of a random access method according to another embodiment of the present invention;
fig. 4 is a further flowchart of a random access method according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a random access method, including:
and step 12, sending information corresponding to the flow type corresponding to the indication information to a network side.
In this embodiment of the present invention, the state of the terminal during information transmission includes: the terminal and the RRC (radio resource control) connection at the network side are in an inactive state, are converted into a connected state in the inactive state or are converted into the connected state in an idle state.
The indication information of the flow type corresponding to the terminal in the inactive state is different from the indication information of the flow type corresponding to the terminal in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state.
The indication information of the process type corresponding to the terminal in the state of being in the inactive state and being converted into the connected state is different from the indication information of the process type corresponding to the state of being in the idle state and being converted into the connected state.
In the embodiment of the invention, the indication information for indicating the flow type corresponding to the state of the terminal during information transmission is sent to the network side; and sending information corresponding to the flow type corresponding to the indication information to a network side. Therefore, the indication information of the differentiation process is provided under the framework of unified access, so that the network can decide differentiated resource allocation and access flow processing based on the indication information.
In the above embodiment, in the random access process and/or when sending the information corresponding to the flow type corresponding to the indication information to the network side, the indication information for indicating the flow type corresponding to the state when the terminal performs information may be sent to the network side.
As shown in fig. 2, in order to send, to a network side, indication information for indicating a flow type corresponding to a state when a terminal performs information in a random access process, an embodiment of the present invention provides a random access method, including:
step 1, sending a random access request carrying a lead code to a network side, wherein the lead code carries indication information indicating a flow type corresponding to a state when a terminal carries out information.
Step 2, receiving a random access response fed back by the network side according to the lead code, wherein the random access response carries an authorized resource corresponding to the process type determined for the terminal;
and Step 3, sending information corresponding to the process type corresponding to the indication information to a network side on the authorized resource.
Wherein, Step 3 can have the following three process types, which specifically include:
step 3a, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the RRC connection between the terminal and the network side is in an inactive state (inactive- > inactive), sending information corresponding to the flow type corresponding to the indication information to the network side, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
Wherein the information comprises: when the identifier of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent to a network side, and the identifier of the terminal is carried in the RRC connection recovery request;
in Step 3, the Step of sending the information corresponding to the process type corresponding to the indication information to the network side includes: and sending the RRC connection recovery request and the service data to a network side.
The information includes: when the terminal identifier and the service data are received, Step 3, the Step of sending the information corresponding to the process type corresponding to the indication information to the network side includes: and directly sending the identifier of the terminal and the service data to a network side. For example, the identifier of the terminal and the service data are directly sent to the network side and directly sent to the network side base station through the Mac layer resource.
Step 3 may further include: step 3b, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection recovery request, the RRC connection recovery request is sent to a network side, and the service data are sent through the RRC connection after the RRC connection is recovered.
Step 3 may further include: step 3c, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, sends the RRC connection establishment request to a network side, and sends the service data through the RRC connection after the RRC connection is established.
In the above process of the present invention, different preambles (preambles) carry differentiated information, including user state information and user next state transition requirements, so that the network can adapt to different processes to allocate resources of different sizes when randomly accessing feedback (Random Access Response), know the content and format of the information, and further determine a demodulation method for demodulating transmission data.
As shown in fig. 3, when sending information corresponding to a flow type corresponding to the indication information to a network side, sending indication information for indicating the flow type corresponding to a state when a terminal performs information to the network side, an embodiment of the present invention provides a random access method, including:
step 1, sending a random access request including a lead code to a network side;
step 2, receiving a random access response fed back by the network side according to the lead code, wherein the random access response carries authorized resources determined for the terminal;
and Step 3, sending information corresponding to the flow type corresponding to the indication information to a network side on the authorized resource determined for the terminal.
Wherein, Step 3 comprises the following steps:
step 3d, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the RRC connection between the terminal and the network side is in an inactive state, sending information corresponding to the flow type corresponding to the indication information to the network side, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
Wherein the information comprises: when the identifier of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent to a network side, and the identifier of the terminal is carried in the RRC connection recovery request;
in Step 3, the Step of sending the information corresponding to the process type corresponding to the indication information to the network side includes: and sending the RRC connection recovery request and the service data to a network side.
In addition, the information includes: when the terminal identifier and the service data are received, Step 3, the Step of sending the information corresponding to the process type corresponding to the indication information to the network side includes: and directly sending the identifier of the terminal and the service data to a network side. For example, the identifier of the terminal and the service data are directly sent to the network side base station through the Mac layer resource.
Step 3e, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection recovery request, the RRC connection recovery request is sent to a network side, and the service data are sent through the RRC connection after the RRC connection is recovered.
Step 3f, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, sends the RRC connection establishment request to a network side, and sends the service data through the RRC connection after the RRC connection is established.
In this embodiment, different user states and different user state requirements share the same pool of random access resources. After random access, each flow carries a flow indication, so that the network can know the differentiated flow requirements. The problem of resource efficiency reduction caused by random access pilot (preamble) grouping can be reduced.
In the flows shown in fig. 2 and 3 of the present invention, any one of Step 3a, Step 3b, and Step 3c may send the indication information during the random access process, or may send the indication information when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side; similarly, any one of the flows in Step 3d, Step 3e and Step 3f may send the indication information in the random access process, or may send the indication information when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side;
for example, a mode of sending indication information in a random access process is adopted for information transmission in an INACTIVE state (INACTIVE), while a mode of sending indication information when the INACTIVE state (INACTIVE) enters a Connected state (Connected) and a mode of sending the indication information when an Idle state (Idle) enters the Connected state (Connected) are adopted for sending information corresponding to a flow type corresponding to the indication information to a network side.
Further, the flows of the inactive state entering the Connected state (Connected) and the Idle state (Idle) entering the Connected state (Connected) may be distinguished by the flow type indication information corresponding to the respective flows.
The embodiment of the invention can flexibly support the process conversion requirements of differentiated state users and differentiated scenes through a unified framework.
As shown in fig. 4, an embodiment of the present invention further provides a random access method, including:
and 42, receiving information corresponding to the flow type corresponding to the indication information sent by the terminal.
In this embodiment, the state when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side includes: the terminal and the Radio Resource Control (RRC) connection of the network side are in an inactive state, and the terminal is converted into a connected state from the inactive state or is converted into the connected state from an idle state.
The indication information of the flow type corresponding to the terminal in the inactive state is different from the indication information of the flow type corresponding to the terminal in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state.
The indication information of the process type corresponding to the terminal in the state of being in the inactive state and being converted into the connected state is different from the indication information of the process type corresponding to the state of being in the idle state and being converted into the connected state.
In this embodiment of the present invention, the base station receives, by the terminal, the indication information for indicating the flow type corresponding to the state of the terminal when performing information transmission. Therefore, the indication information of the differentiation process is provided under the framework of unified access, so that the network can decide differentiated resource allocation and access flow processing based on the indication information.
In the above embodiment of the present invention, in the random access process or when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side, the indication information sent by the terminal for indicating the flow type corresponding to the state of the terminal when performing information transmission may be received.
As shown in fig. 2, in a random access process, receiving indication information, which is sent by a terminal and used for indicating a flow type corresponding to a state of the terminal when the terminal performs information transmission, an embodiment of the present invention provides a random access method, including:
step 1, receiving a random access request carrying a lead code sent by a terminal, wherein the lead code carries indication information indicating a flow type corresponding to a state when the terminal carries out information;
step 2, feeding back a random access response to the terminal according to the indication information in the lead code, wherein the random access response carries an authorized resource corresponding to the process type determined for the terminal;
furthermore, a demodulation mode for demodulating the transmission data sent by the terminal corresponding to the process type can be determined according to the indication information;
and Step 3, receiving information corresponding to the process type corresponding to the indication information sent by the terminal on the authorized resource, and demodulating the information according to the demodulation mode.
Step 3 may include:
step 3a, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the RRC connection between the terminal and the network side is in an inactive state, receiving information corresponding to the flow type corresponding to the indication information sent by the terminal, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
The information includes: when the identification of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent by the terminal to a network side, and the identification of the terminal is carried in the RRC connection recovery request;
in Step 3, the Step of receiving information corresponding to the process type corresponding to the indication information sent by the terminal includes: and receiving the RRC connection recovery request and the service data sent by the terminal.
In addition, the information includes: when the terminal identifier and the service data are received, in Step 3, the Step of receiving the information corresponding to the process type corresponding to the indication information sent by the terminal includes: and directly receiving the identification and the service data of the terminal sent by the terminal.
For example, the network side base station directly receives the identifier of the terminal and the service data sent by the terminal through the Mac layer resource.
Step 3b, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of receiving an RRC connection recovery request sent by a terminal, and receiving service data through the RRC connection after the RRC connection is recovered.
Step 3c, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, the RRC connection establishment request sent by a terminal is received, and the service data is received through the RRC connection after the RRC connection is established.
In the above process of the present invention, different preambles (preambles) carry differentiated information, including user state information and user next state transition requirements, so that the network can adapt to different processes to allocate resources of different sizes when randomly accessing feedback (Random Access Response), know the content and format of the information, and further determine a demodulation method for demodulating transmission data.
As shown in fig. 3, when the terminal performs information and receives indication information, which is sent by the terminal and used for indicating a flow type corresponding to a state of the terminal during performing information, an embodiment of the present invention further provides a random access method, including:
step 1, receiving a random access request which is sent by a terminal and comprises a lead code;
step 2, feeding back a random access response to the terminal according to the lead code, wherein the random access response carries authorized resources determined for the terminal; the authorized resource is an authorized resource shared by the process types corresponding to the states of the terminals later, namely, the size of the authorized resource adopted when the data is transmitted by the following steps 3d, 3e and 3f is basically the same or the same.
And Step 3, receiving information corresponding to the process type corresponding to the indication information sent by the terminal on the authorized resource.
Step 3 may include:
step 3d, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the RRC connection between the terminal and the network side is in an inactive state, receiving information corresponding to the flow type corresponding to the indication information sent by the terminal, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
The information includes: when the identification of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent by the terminal to a network side, and the identification of the terminal is carried in the RRC connection recovery request;
in Step 3, the Step of receiving information corresponding to the process type corresponding to the indication information sent by the terminal includes: and receiving the RRC connection recovery request and the service data sent by the terminal.
In addition, the information includes: when the terminal identifier and the service data are received, in Step 3, the Step of receiving the information corresponding to the process type corresponding to the indication information sent by the terminal includes: and directly receiving the identification and the service data of the terminal sent by the terminal.
For example, the network side base station directly receives the identifier of the terminal and the service data sent by the terminal through the Mac layer resource.
And further, the network side determines a demodulation mode of the service data according to the indication information, and demodulates the received service data according to the demodulation mode.
Step 3e, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of receiving an RRC connection recovery request sent by a terminal, and receiving service data through the RRC connection after the RRC connection is recovered. And further, the network side determines a demodulation mode of the service data according to the indication information, and demodulates the received service data according to the demodulation mode.
Step 3f, the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side includes: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, the RRC connection establishment request sent by a terminal is received, and the service data is received through the RRC connection after the RRC connection is established. And further, the network side determines a demodulation mode of the service data according to the indication information, and demodulates the received service data according to the demodulation mode.
In this embodiment, different user states and different user state requirements share the same pool of random access resources. After random access, each flow carries a flow indication, so that the network can know the differentiated flow requirements. The problem of resource efficiency reduction caused by random access pilot (preamble) grouping can be reduced.
In the flows shown in fig. 2 and 3 of the present invention, any one of Step 3a, Step 3b, and Step 3c may send the indication information during the random access process, or may send the indication information when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side; similarly, any one of the flows in Step 3d, Step 3e and Step 3f may send the indication information in the random access process, or may send the indication information when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side;
for example, a mode of sending indication information in a random access process is adopted for information transmission in an INACTIVE state (INACTIVE), while a mode of sending indication information when the INACTIVE state (INACTIVE) enters a Connected state (Connected) and a mode of sending the indication information when an Idle state (Idle) enters the Connected state (Connected) are adopted for sending information corresponding to a flow type corresponding to the indication information to a network side.
Further, the flows of the inactive state entering the Connected state (Connected) and the Idle state (Idle) entering the Connected state (Connected) may be distinguished by the flow type indication information corresponding to the respective flows.
The embodiment of the invention can flexibly support the process conversion requirements of differentiated state users and differentiated scenes through a unified framework.
Corresponding to the above-described terminal side method flow, an embodiment of the present invention further provides a terminal, including:
the first sending module is used for sending indication information for indicating a process type corresponding to a state when the terminal transmits information to a network side;
and the second sending module is used for sending the information corresponding to the flow type corresponding to the indication information to the network side.
It should be noted that the terminal is a terminal corresponding to the above terminal-side method (the flow of the terminal side in fig. 1 to fig. 3), and all implementation methods in the above method flow are applicable to the embodiment of the terminal, and the same technical effect can be achieved.
Corresponding to the method of the network side base station corresponding to fig. 4, an embodiment of the present invention further provides a base station, including:
the first receiving module is used for receiving indicating information which is sent by the terminal and used for indicating the process type corresponding to the state of the terminal during information transmission;
and the second receiving module is used for receiving the information corresponding to the process type corresponding to the indication information sent by the terminal.
It should be noted that the terminal is a terminal corresponding to the above-mentioned terminal side method (the flow of the base station side (gNB) in fig. 1 to fig. 3), and all implementation methods in the above-mentioned method flow are applicable to the embodiment of the terminal, and the same technical effect can be achieved.
In the embodiment of the present invention, different indication information is used to carry differentiation information, including user state information and a user next state transition requirement, so that the network can adapt to different processes to allocate resources of different sizes when performing Random Access feedback (Random Access Response), and know the content and format of the information, thereby determining a demodulation method for demodulating transmission data. Therefore, the indication information of the differentiation process is provided under the framework of unified access, so that the network can decide differentiated resource allocation and access flow processing based on the indication information.
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 (18)
1. A random access method, comprising:
in the random access process, sending indication information for indicating a flow type corresponding to a state when a terminal transmits information to a network side, wherein the indication information comprises the following steps: sending a random access request carrying a lead code to a network side, wherein the lead code carries the indication information indicating the flow type corresponding to the state of the terminal when the terminal transmits information; receiving a random access response fed back by a network side according to the lead code, wherein the random access response carries an authorization resource corresponding to the process type determined for the terminal;
on the authorized resource, sending information corresponding to the flow type corresponding to the indication information to a network side;
the indication information of the corresponding process type when the terminal is in the inactive state is different from the indication information of the corresponding process type when the terminal is in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state; the indication information of the process type corresponding to the terminal in the state of being converted into the connection state in the non-activated state is different from the indication information of the process type corresponding to the state of being converted into the connection state in the idle state.
2. The random access method according to claim 1, wherein, when sending the information corresponding to the flow type corresponding to the indication information to the network side, the step of sending the indication information indicating the flow type corresponding to the state of the terminal when the terminal performs information transmission to the network side includes:
sending a random access request including a lead code to a network side;
and receiving a random access response fed back by the network side according to the lead code, wherein the random access response carries the authorized resources determined for the terminal.
3. The random access method according to any one of claim 1 to claim 2, wherein the state when the terminal sends the information corresponding to the procedure type corresponding to the indication information to the network side includes:
the terminal and the radio resource control RRC connection at the network side are in an inactive state, and the inactive state is converted into a connected state or the idle state is converted into the connected state.
4. The random access method according to claim 3, wherein the step of sending the information corresponding to the procedure type corresponding to the indication information to the network side comprises:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the RRC connection between the terminal and the network side is in an inactive state, sending information corresponding to the flow type corresponding to the indication information to the network side, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
5. The random access method of claim 3, wherein the information comprises: when the identifier of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent to a network side, and the identifier of the terminal is carried in the RRC connection recovery request;
the step of sending the information corresponding to the process type corresponding to the indication information to the network side includes:
and sending the RRC connection recovery request and the service data to a network side.
6. The random access method of claim 3, wherein the information comprises: when the terminal identification and the service data are transmitted, the step of sending the information corresponding to the flow type corresponding to the indication information to the network side comprises the following steps:
and directly sending the identifier of the terminal and the service data to a network side.
7. The random access method according to claim 3, wherein the step of sending the information corresponding to the procedure type corresponding to the indication information to the network side comprises:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection recovery request, the RRC connection recovery request is sent to a network side, and the service data are sent through the RRC connection after the RRC connection is recovered.
8. The random access method according to claim 3, wherein the step of sending the information corresponding to the procedure type corresponding to the indication information to the network side comprises:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, sends the RRC connection establishment request to a network side, and sends the service data through the RRC connection after the RRC connection is established.
9. A random access method, comprising:
in the random access process, receiving indication information which is sent by a terminal and used for indicating a flow type corresponding to a state when the terminal performs information transmission, and the method comprises the following steps: receiving a random access request which is sent by a terminal and carries a lead code, wherein the lead code carries indication information indicating a flow type corresponding to a state of the terminal when the terminal carries out information transmission; feeding back a random access response to the terminal according to the indication information in the lead code, wherein the random access response carries an authorized resource corresponding to the process type determined for the terminal;
receiving information corresponding to the process type corresponding to the indication information sent by the terminal on the authorized resource;
the indication information of the corresponding process type when the terminal is in the inactive state is different from the indication information of the corresponding process type when the terminal is in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state; the indication information of the process type corresponding to the terminal in the state of being converted into the connection state in the non-activated state is different from the indication information of the process type corresponding to the state of being converted into the connection state in the idle state.
10. The random access method according to claim 9, wherein, when the terminal sends the information corresponding to the flow type corresponding to the indication information to the network side, the step of receiving the indication information sent by the terminal for indicating the flow type corresponding to the state of the terminal during information transmission includes:
receiving a random access request which is sent by a terminal and comprises a lead code;
and feeding back a random access response to the terminal according to the lead code, wherein the random access response carries the authorized resources determined for the terminal.
11. The random access method according to any one of claims 9 to 10, wherein the state when the terminal sends the information corresponding to the procedure type corresponding to the indication information to the network side includes:
the terminal and the radio resource control RRC connection at the network side are in an inactive state, and the inactive state is converted into a connected state or the idle state is converted into the connected state.
12. The random access method according to claim 11, wherein the state when the terminal sends the information corresponding to the procedure type corresponding to the indication information to the network side includes: when the RRC connection between the terminal and the network side is in an inactive state, receiving information corresponding to the flow type corresponding to the indication information sent by the terminal, wherein the information comprises: identification of the terminal, traffic data and/or signaling.
13. The random access method of claim 12, wherein the information comprises: when the identification of the terminal, the service data and the signaling are carried, the signaling is an RRC connection recovery request sent by the terminal to a network side, and the identification of the terminal is carried in the RRC connection recovery request;
the step of receiving the information corresponding to the process type corresponding to the indication information sent by the terminal comprises the following steps:
and receiving the RRC connection recovery request and the service data sent by the terminal.
14. The random access method according to claim 13, wherein when the information includes an identifier of the terminal and service data, the step of receiving information corresponding to the flow type corresponding to the indication information sent by the terminal includes:
and directly receiving the identification and the service data of the terminal sent by the terminal.
15. The random access method according to claim 12, wherein the step of receiving the information corresponding to the procedure type corresponding to the indication information sent by the terminal comprises:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the inactive state is converted into the connected state, the information comprises: the method comprises the steps of receiving an RRC connection recovery request sent by a terminal, and receiving service data through the RRC connection after the RRC connection is recovered.
16. The random access method according to claim 12, wherein the step of receiving the information corresponding to the procedure type corresponding to the indication information sent by the terminal comprises:
the state when the terminal sends the information corresponding to the process type corresponding to the indication information to the network side comprises the following steps: when the idle state is converted into the connected state, the information comprises: the method comprises the steps of service data and signaling, wherein the signaling is an RRC connection establishment request, the RRC connection establishment request sent by a terminal is received, and the service data is received through the RRC connection after the RRC connection is established.
17. A terminal, comprising:
a first sending module, configured to send, to a network side in a random access process, indication information for indicating a flow type corresponding to a state of a terminal when information transmission is performed, where the first sending module is configured to: sending a random access request carrying a lead code to a network side, wherein the lead code carries the indication information indicating the flow type corresponding to the state of the terminal when the terminal transmits information; receiving a random access response fed back by a network side according to the lead code, wherein the random access response carries an authorization resource corresponding to the process type determined for the terminal;
a second sending module, configured to send, to the network side, information corresponding to the flow type corresponding to the indication information on the authorized resource;
the indication information of the corresponding process type when the terminal is in the inactive state is different from the indication information of the corresponding process type when the terminal is in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state; the indication information of the process type corresponding to the terminal in the state of being converted into the connection state in the non-activated state is different from the indication information of the process type corresponding to the state of being converted into the connection state in the idle state.
18. A base station, comprising:
a first receiving module, configured to receive, in a random access process, indication information sent by a terminal and used for indicating a flow type corresponding to a state of the terminal when the terminal performs information transmission, where the first receiving module includes: receiving a random access request which is sent by a terminal and carries a lead code, wherein the lead code carries indication information indicating a flow type corresponding to a state of the terminal when the terminal carries out information transmission; feeding back a random access response to the terminal according to the indication information in the lead code, wherein the random access response carries an authorized resource corresponding to the process type determined for the terminal;
a second receiving module, configured to receive, on the authorized resource, information corresponding to the process type corresponding to the indication information sent by the terminal;
the indication information of the corresponding process type when the terminal is in the inactive state is different from the indication information of the corresponding process type when the terminal is in the state of converting from the inactive state to the connected state or converting from the idle state to the connected state; the indication information of the process type corresponding to the terminal in the state of being converted into the connection state in the non-activated state is different from the indication information of the process type corresponding to the state of being converted into the connection state in the idle state.
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