JP2021193826A - Method and apparatus for establishing connection - Google Patents

Abstract

To provide a method for establishing a connection and a network device, which may be adapted to rapid connection establishment for different service requirements.SOLUTION: A method for establishing a connection for a terminal device including a determination module and a sending module comprises: determining a connection establishment request format adopted when a connection establishment request message is sent from multiple connection establishment request formats; and sending the connection establishment request message to a network device according to the determined connection establishment request format. In such a manner, rapid connection establishment for different service requirements in multiple environments may be adapted.SELECTED DRAWING: Figure 1

Description

The present invention relates to the communication field, and particularly to a connection establishment method and an apparatus.

In the current Long Term Evolution (LTE) technology, the terminal selects one of the system information broadcast preamble resources as the flow in which the terminal sends a connection establishment request by random access. After receiving the resource, the base station confirms that there is a terminal that needs to be accessed, and is required for a connection establishment request by a random access response (RR: Random Access Response). Information such as uplink resources, cell radio network temporary identifier (C-RNTI) used for the terminal, uplink time synchronization, etc. is transmitted to the terminal, and the terminal is assigned after receiving the RAR. The connection establishment request is sent according to the uplink resource, the base station receives the connection establishment request, copies the request information, and sends a conflict resolution message (that is, a copy of the connection establishment request) to the terminal. Send.

The current conflict resolution message is 48 bits, so the connection establishment request is also limited to 48 bits, which limits the expansion of the message content and cannot meet the request for connection establishment in different network environments.

The embodiments of the present invention provide connection establishment methods and devices, and can be applied to high-speed connection establishment to meet different service requirements in a plurality of environments.

In the first direction, we provide a connection establishment method,
The terminal device establishes the connection establishment request format used when transmitting the connection establishment request message from multiple types of connection establishment request formats.
The terminal device sends a connection establishment request message to the network device based on the confirmed connection establishment request format.
including.

In the second direction, we provide a connection establishment method,
The network device receives the connection establishment request message sent from the terminal device, and
The network device sends a conflict resolution message to the terminal device based on the format of the connection establishment request message.
The format of the connection establishment request message is determined by the terminal device from a plurality of types of connection establishment request formats.

In the third direction, we provide terminal equipment,
A confirmation module configured to establish the connection establishment request format used when sending a connection establishment request message from multiple types of connection establishment request formats.
A transmission module configured to send a connection establishment request message to a network device based on the confirmed connection establishment request format.
including.

In the fourth direction, we provide network devices,
A receiving module configured to receive the connection establishment request message sent from the terminal device,
A confirmation module configured to confirm the conflict resolution message based on the format of the connection establishment request message.
A transmission module configured to send the conflict resolution message to the terminal device,
The format of the connection establishment request message is determined by the terminal device from a plurality of types of connection establishment request formats.

Based on the above specific matters, an embodiment of the present invention provides a connection establishment method and an apparatus, in which a terminal device selects one from a plurality of types of connection establishment request formats and transmits a connection establishment request message. This can be applied to high-speed connection establishment to meet different service requirements in multiple environments.

It is a flowchart which shows the connection establishment method by an Example of this invention. It is a flowchart which shows the connection establishment method in one specific embodiment of this invention. It is a flowchart which shows the connection establishment method by another Embodiment of this invention. It is a flowchart which shows the method of setting the number of preamble sequences of the preamble group by one specific embodiment of this invention. It is a schematic block diagram of the terminal apparatus according to the Example of this invention. It is another schematic block diagram of the terminal apparatus by Embodiment of this invention. It is one further schematic block diagram of the terminal apparatus by Embodiment of this invention. It is a schematic block diagram of the terminal apparatus according to another embodiment of this invention. It is a schematic block diagram of the network device according to the Example of this invention. It is a schematic block diagram of the network device according to another embodiment of this invention.

In order to more clearly explain the embodiments of the present invention, the drawings required in the description of the examples or the prior art are briefly described above, and clearly, the drawings described above are merely the present invention. Other drawings can be obtained based on these drawings on the premise that those skilled in the art will not make any creative effort.

In the following, the drawings of the embodiments of the present invention will be combined to clearly and fully explain the technical proposals of the embodiments of the present invention, and of course, the described examples are examples of a part of the present invention. Not all examples. Based on the examples of the present invention, all other examples obtained by those skilled in the art without any creative effort are within the scope of the present invention.

The technical proposal according to the embodiment of the present invention includes various communication systems, for example, a Long Term Evolution (LTE) system, an LTE frequency division duplex (FDD) system, and an LTE time division duplex. It can be applied to TDD (Time Division Duplex) systems, Universal Mobile Communication Systems (UMTS), future 5G communication systems, and the like.

In the embodiment of the present invention, the terminal device (Terminal Equipment) may refer to a user facility, a mobile station (MS: Mobile Station), a mobile terminal (Mobile Terminal), or the like, and the user facility is a wireless access network. It is possible to communicate with one or more core networks via (RAN: Radio Access Network), for example, the user equipment is a mobile phone (also referred to as a "cellular phone"), a computer having a mobile terminal, or the like. It may be, for example, a portable type, a compact type, a handheld type, a built-in computer type, or an in-vehicle mobile device, and a terminal device in a future 5G network or a terminal device in a future evolution type PLMN network. ..

In the embodiment of the present invention, the network device may be a device for communicating with a terminal device, and the network device may be a base station (BTS: Base Transferr Station) in a GSM system or CDMA. It may be a base station (NB: NodeB) in a WCDMA system, an evolutionary base station (Evolutional Node B, abbreviated as "eNB" or "eNodeB") in an LTE system, or the network. The device may be a relay station, an access point, an in-vehicle device, a wearable device, a network-side device in a future 5G network, or a network device in a future evolutionary PLMN network.

FIG. 1 is a flowchart showing a connection establishment method according to an embodiment of the present invention, and as shown in FIG. 1, the method 100 includes S110 to S120.

In S110, the terminal device establishes a connection establishment request format used when transmitting a connection establishment request message from a plurality of types of connection establishment request formats.

In S120, the terminal device transmits a connection establishment request message to the network device based on the confirmed connection establishment request format.

Therefore, according to the connection establishment method in the embodiment of the present invention, the terminal device can select one from a plurality of types of connection establishment request formats and send a connection establishment request message, which makes it different in a plurality of environments. It can be applied to establish a high-speed connection that meets service requirements.

As an option, the plurality of types of connection establishment request formats may be those defined by the convention, or the terminal device and the network device may be pre-arranged, and in the present invention, the connection establishment request may be made. Not limited to the specific format of.

As an option, in S110, the terminal device establishes a connection establishment request format used when transmitting a connection establishment request message based on at least one parameter of service request, capacity request and network condition.

Specifically, the terminal device selects the connection establishment request format to be used based on its own service request. For example, when the terminal device performs voice service (Voice over LTE), a certain connection establishment request format is used. When using VoLTE video service, use a connection establishment request format different from that when performing VoLTE voice service, and when performing a delay-insensitive service, the same connection establishment request format as when performing direct communication service between terminals. It is possible to use.

The terminal device can also select the connection establishment request format to be used based on its own capability requirements, for example, when the terminal is a normal smart terminal device, Machine Type Communication (MTC). ) Terminal or vehicle-Vehicle communication type (V2V: Vehicle to Vehicle) It is possible to use a connection establishment request format different from that of the terminal. If the terminal device can only support one type of connection establishment request format, the same connection establishment request format may be used for different services, and the terminal device supports multiple types of connection establishment request formats. If so, it is possible to select different connection establishment request formats for different services.

Further, the terminal device may refer to the network condition when selecting the connection establishment request format, and specifically, the terminal device is different only when the network device supports a plurality of types of connection establishment request formats. Select a different connection establishment request format for the service.

In an embodiment of the invention, as an option, the terminal device can determine whether the network device supports multiple formats of connection establishment request messages, and the network device can determine whether the network device supports multiple formats of connection establishment requests. When it is confirmed that the message is supported, the connection establishment request format used when sending the connection establishment request message is established from multiple types of connection establishment request formats.

As an option, the terminal device receives the network condition instruction information transmitted by the network device, and based on the received network condition instruction information, whether the network device supports multiple types of connection establishment request messages. To confirm. Specifically, the terminal device can receive the broadcast message transmitted by the network device, the broadcast message includes the network condition instruction information, and the network condition instruction information is a request for the network device to establish a plurality of types of connections. Indicates whether the format can be supported, or the terminal device can receive the RRC connection establishment release message for the previous radio resource control (RRC: Radio Resource Control) transmitted by the network device. The RRC connection establishment release message includes the network condition instruction information, or the terminal device can receive the terminal-dedicated signaling transmitted by the network device, and the terminal-dedicated signaling includes the network condition instruction information. For example, the terminal device can report the terminal capability to the network device and then receive the terminal-specific signaling transmitted in response to the reported terminal capability message of the network device, and the terminal-dedicated signaling is the network. Conditional instruction information can be included, or the terminal device receives the paging message transmitted by the network device, and the paging message includes the network condition instruction information.

As an option, as an example, the terminal device can receive random access resources sent by the network device, and the network device supports multiple formats of connection establishment request messages based on the received random access resources. Determine whether or not to do so. For example, when the received random access resource of the terminal device is one new preamble group, it may be referred to as a preamble group C or a preamble group D (different from the pre-existing preamble group A (preamble group A) and preamble group B (preamble group B)). Well, we assume that the network device supports multiple formats of connection establishment request messages, otherwise the network device can only support one type of connection establishment request message.

As an option, the random access resource is a preamble group, and as an option, the root sequence of the preamble sequence of the preamble group is different from the root sequence of the preamble sequence of the preamble group A (PreambleGroupA), and moreover, the preamble sequence of the preamble group is used. The route sequence is different from the route sequence of the preamble sequence of the preamble group B (PreambleGroupB), in other words, the new PremiumGroup uses a different route sequence to distinguish between DreambleGroupA and PremiumGroupB.

Alternatively, the position of the time frequency resource occupied by the preamble group is different from that of the preamble group A, and the position of the time frequency resource occupied by the preamble group is different from that of the preamble group B, in other words, the new DreambleGroup has a different time. It is possible to distinguish between PremiumGroupA and PremiumGroupB by using the transmission position of the frequency resource. The network device can indicate the position of the time frequency resource occupied by the new DreambleGroup by sending an instruction message to the terminal device, and the network device can further indicate the position of the time frequency resource occupied by the new PremiumGroup as the terminal device. It can be arranged and there are no restrictions on this in the present invention.

In the embodiment of the present invention, as an option, the connection establishment request message transmitted by the terminal device is the identifier ID of the terminal device and / or the cause of the connection establishment and / or the non-access layer (NAS: Non-Access). Includes Stratum) and / or security key.

In an embodiment of the invention, as an option, the terminal device is shown to the network device in the terminal capability instruction message so that the network device allocates uplink resources to the terminal device based on the terminal capability instruction message. Send a connection establishment request format that the terminal device can support.

Further, the terminal device sends a terminal capability instruction message to the mobility management entity (MME) so that the MME sets the network device based on the terminal capability instruction message. do.

FIG. 2 is a flowchart showing a connection establishment method according to a specific embodiment of the present invention, and as shown in FIG. 2, the method 200 includes S201 to S207.

In S201, the terminal device receives the broadcast message transmitted by the network device.

The broadcast message can include an instruction message indicating a network condition or a syncword setting information.

In S202, the terminal device reports its capabilities to the network device.

The terminal device can send a terminal capability instruction message to the network device, indicating whether or not it supports multiple types of connection establishment request formats, and the supported connection establishment request formats.

In S203, the network device transmits a terminal-dedicated signaling to the terminal device.

Terminal-only signaling can include instructional messages or syncword configuration information indicating whether the network device supports multiple formats of connection establishment request formats.

In S204, the terminal device transmits a Premium to the network device.

In S205, the network device sends a random access response (RAR: Random Access Response) message to the terminal device.

In S206, the terminal device sends a connection establishment request message to the network device.

In S207, the network device sends a connection establishment completion message to the terminal device.

Therefore, the connection establishment method and the terminal device in the embodiment of the present invention can select one from a plurality of types of connection establishment request formats and transmit the connection establishment request message. Thereby, it can be applied to high-speed connection establishment to meet different service requests in a plurality of environments.

In the above, the connection establishment method according to the embodiment of the present invention is described in detail by combining FIGS. 1 and 2 from the terminal device side, and in the following, the connection establishment method by combining FIGS. 3 and 4 is described from the network device side. The connection establishment method according to another embodiment of the present invention will be described in detail, and the interaction, correlation characteristics, and functions between the network device and the terminal device in the description regarding the terminal device side correspond to the description regarding the network device side. For the sake of brevity and conciseness, duplicate parts are omitted.

FIG. 3 is a flowchart showing a connection establishment method according to another embodiment of the present invention, and as shown in FIG. 3, the method 300 includes S310 to S320.

In S310, the network device receives the connection establishment request message transmitted from the terminal device, and the format of the connection establishment request message is determined by the terminal device from a plurality of types of connection establishment request formats.

In S320, the network device transmits a conflict resolution message to the terminal device based on the format of the connection establishment request message.

Therefore, in the connection establishment method of the embodiment of the present invention, the network device receives the connection establishment request message transmitted based on the fixed connection establishment request format of the terminal device, and is based on the connection establishment request message format. , Send a conflict resolution message to the terminal device. This can be applied to high-speed connection establishment to meet different service requests in a plurality of environments.

In the embodiment of the present invention, as an option, the connection establishment request message includes the identifier ID of the terminal device and / or the cause of the connection establishment and / or the non-access layer NAS message and / or the security key. include. Thereby, the connection establishment request format in the embodiment of the present invention supports the expansion of the content of the connection establishment request message, and can be applied to high-speed connection establishment to meet different service requests in a plurality of environments.

In the embodiment of the present invention, as an option, the network device can transmit the network condition instruction information to the terminal device, and the terminal device transmits the connection establishment request message based on the network condition instruction information. In order to determine the connection establishment request format of, the network condition instruction information is used to indicate whether or not the network device supports connection establishment request messages of a plurality of types of formats.

In an embodiment of the invention, as an option, the network device can send a broadcast message to the terminal device, the broadcast message includes said network condition instruction information, or the network device previously sent to the terminal device. The RRC connection establishment release message for the radio resource control RRC connection can be transmitted, the RRC connection establishment release message includes the network condition instruction information, or the network device transmits a terminal-dedicated signaling to the terminal device. The terminal-dedicated signaling includes the network condition instruction information, or the network device can send a paging message to the terminal device, and the paging message includes the network condition instruction information.

As an option, the network system can decide whether to send the network condition instruction information to the terminal device manually or automatically, and has a southbound interface or a northbound interface. Through, a network device (eg, a base station) is set up, or the MME collects the number of attached users, the ability of the user, and the number of connections of the user in the network, thereby the network device (eg, the base station). ) Can be set, or the network device (eg, base station) can stat the number of connected users and the number of users trying to access the covering cell, in the statistical results. Based on, (for example, the base station) determines the network condition instruction information to be transmitted to the terminal device, and if, for example, the proportionality between the connected user and the number of users trying to access is higher than a certain value, the terminal device is used. The network condition instruction information can be transmitted, or the network device will access the number of connected users of the covering cell when the MME sets the network condition instruction information it transmits to the terminal device. Based on the number of users, it is possible to determine whether or not to send the network condition instruction information to the terminal device.

That is, when the network device receives the first instruction message transmitted from the mobility management entity (MME), the network condition instruction information is transmitted to the terminal device, or the network device is the covering cell of the network device. Based on the number of connected users and the number of users trying to access, it is possible to determine whether or not to send the network condition instruction information to the terminal device.

As an option, the network device can send a random access resource to the terminal device, which may be a preamble group.

Further, as an option, the root sequence of the preamble sequence of the preamble group is different from the root sequence of the preamble sequence of the preamble group A, and the root sequence of the preamble sequence of the preamble group is the root sequence of the preamble sequence of the preamble group B. Differently, or the position of the time frequency resource occupied by the preamble group is different from that of the preamble group A, and the position of the time frequency resource occupied by the preamble group is different from that of the preamble group B.

Specifically, the network device can receive the second instruction message transmitted from the mobility management entity (MME), and the second instruction message is a terminal that supports a plurality of types of connection establishment request formats in the network. It is used to indicate the proportion of equipment and, based on the proportion, determines the number of preamble sequences included in the preamble group. To give an example, the proportion of terminal devices that support multiple types of connection establishment request formats in a network is the number of terminal devices that support multiple types of connection establishment request formats and the number of all attached terminal devices. Can be expressed proportionally, the network device determines the number of preamble sequences based on the proportionality. Alternatively, the proportion of terminal devices that support multiple types of connection establishment request formats in the network can be expressed at different levels (eg, high, medium, low) and the number of preamble sequences corresponding to each level. Can be determined by convention or by other means, and is not limited to these in the present invention.

For example, FIG. 4 shows a flowchart showing a method of setting the number of preamble sequences of a preamble group according to an embodiment of the present invention. As shown in FIG. 4, the method 400 includes S401 to S404.

In S401, the terminal device reports the terminal capability to the mobile management entity (MME).

The terminal device reports to the MME its ability to support multiple types of connection establishment request formats.

In S402, the MME statistically calculates the proportion of the number of terminals supporting a plurality of types of connection establishment request formats in the network and transmits the result to the base station.

The method for calculating the number of terminals supporting a plurality of types of connection establishment request formats may be the number n of terminals supporting a plurality of types of connection establishment request formats / the number N of all attached terminals.

In S403, the base station calculates the number of Preambles in the PreambleGroup that need to be set according to the proportion transmitted from the received MME.

In S404, the base station transmits a specific installation of the Premium Group to the terminal device.

The base station can transmit a specific configuration of the Premium Group to the terminal device by a broadcast message or a signal dedicated to the terminal device.

In an embodiment of the invention, as an option, method 300 can further include the network device setting up an uplink resource in the terminal device.

As an option, the network device can receive the terminal capability instruction message transmitted by the terminal device and allocates the uplink resource to the terminal device based on the terminal capability instruction message. In other words, the network device stores the capability information of the terminal device, includes the connection establishment request format supported by the terminal device, and allocates an uplink resource that responds to the terminal device. Alternatively, the network device allocates an uplink resource to the terminal device based on the preamble group to which the preamble sequence transmitted by the terminal device belongs. In other words, the network device determines the group of random access resources to which the preamble sequence belongs by identifying the preamble sequence transmitted by the terminal device, and the terminal device uses multiple types of connection establishment request formats, such as PremiumGroupC. Identifies whether or not it is, and allocates an uplink resource that responds to the terminal device. Alternatively, the network device allocates an uplink resource of a preset size to the terminal device, and the uplink resource of the preset size occupies the largest number of bits. A connection establishment request corresponding to the connection establishment request format. The message can satisfy the request for the resource. In other words, the network device allocates much larger uplink resources to adapt to the largest format connection establishment request message.

In an embodiment of the invention, as an option, the network device can determine the size of the conflict resolution format according to the size of the connection establishment request format, for example, the network device is part or all of the connection establishment request message. You can copy the contents of and then reply to the terminal device, for example, the network device can copy the ID of the terminal device in the connection establishment request message and reply to the terminal device, and at the same time, the terminal service (for example, For emergency services), establish a dedicated data bearer (eg, establish a dedicated bearer for emergency calls) or allocate fixed resources to D2D / V2V users.

Therefore, in the connection establishment method according to the embodiment of the present invention, the network device receives the connection establishment request message transmitted based on the fixed connection establishment request format of the terminal device, and is based on the connection establishment request message format. , Send a conflict resolution message to the terminal device. This can be applied to high-speed connection establishment to meet different service requests in a plurality of environments.

FIG. 5 is a block diagram showing a terminal device according to an embodiment of the present invention, and as shown in FIG. 5, the terminal device 10 is
A confirmation module 11 configured to establish a connection establishment request format used when sending a connection establishment request message from a plurality of types of connection establishment request formats.
A transmission module 12 configured to send a connection establishment request message to a network device based on the confirmed connection establishment request format.
including.

Therefore, the terminal device according to the embodiment of the present invention can select one from a plurality of types of connection establishment request formats and send a connection establishment request message. This can be applied to high-speed connection establishment to meet different service requests in a plurality of environments.

In an embodiment of the invention, as an option, the determination module 11 is used specifically when transmitting a connection establishment request message based on at least one parameter of service request, capacity request and network condition. It is configured to establish a connection establishment request format.

In the embodiment of the present invention, as an option, the determination module 11 is
Determine if the network device supports multiple formats of connection establishment request messages.
When it is determined that the network device supports a plurality of types of connection establishment request messages, the connection establishment request format used when transmitting the connection establishment request message from the multiple types of connection establishment request formats is established.
Further configured.

In an embodiment of the invention, as an option, the terminal device further comprises a first receiving module 13, further configured to receive network condition instruction information transmitted by a network device, as shown in FIG.

Here, the confirmation module 11 is further configured to determine whether or not the network device supports connection establishment request messages in a plurality of formats based on the network condition instruction information.

In the embodiment of the present invention, as an option, the first receiving module 13 specifically
Receive or receive broadcast messages sent by the network device
Receives or receives an RRC connection establishment release message for the previous radio resource control RRC connection transmitted by the network device.
Receives or receives terminal-specific signaling transmitted by the network device.
Receiving a paging message sent by the network device,
The broadcast message includes the network condition instruction information, the RRC connection establishment release message includes the network condition instruction information, and the terminal-dedicated signaling includes the network condition instruction information, and the paging. The message includes the network condition instruction information.

In an embodiment of the invention, as an option, the terminal device further includes a second receiving module 14 configured to receive a random access resource transmitted by the network device, as shown in FIG.

Here, the confirmation module 11 is further configured to determine whether or not the network device supports connection establishment request messages in a plurality of formats based on the random access resource.

In the embodiments of the present invention, as an option, the random access resource is a preamble group.

In the embodiment of the present invention, as an option, the root sequence of the preamble sequence of the preamble group is different from the root sequence of the preamble sequence of the preamble group A, and the root sequence of the preamble sequence of the preamble group is the preamble of the preamble group B. Different from the root sequence of the sequence, or
The position of the time frequency resource occupied by the preamble group is different from that of the preamble group A, and the position of the time frequency resource occupied by the preamble group is different from that of the preamble group B.

In the embodiment of the present invention, as an option, the connection establishment request message includes the identifier ID of the terminal device and / or the cause of the connection establishment and / or the non-access layer NAS message and / or the security key. include.

In an embodiment of the invention, as an option, the transmission module 12 is further configured to transmit a terminal capability instruction message to the network device, the network device based on the terminal capability instruction message. In order to allocate uplink resources to, the terminal capability instruction message indicates a connection establishment request format that the terminal device can support.

In an embodiment of the invention, as an option, the transmit module 12 transmits a terminal capability instruction message to a mobility management entity (MME) for the MME to configure the network device based on the terminal capability instruction message. Further configured to.

In the embodiment of the present invention, the determination module 11 may be realized by the processor, the transmission module 12 may be realized by the transmitter, and the first receiving module 13 and the second receiving module 14 may be realized by the receiver. It may be realized. As shown in FIG. 8, the terminal device 100 can include a processor 101, a receiver 102, a transmitter 103, and a storage device 104. Here, the storage device 104 can be configured to store a code or the like executed by the processor 101.

Each component in the apparatus 100 is coupled via a bus system 105, where the bus system 105 includes a power bus, a control bus and a status signal bus in addition to the data bus.

The terminal device 10 shown in FIGS. 5 to 7 or the terminal device 100 shown in FIG. 8 can realize each flow realized by the terminal device in the embodiment of FIG. 1 above. Yes, to avoid duplication, I won't explain further here.

FIG. 9 shows a schematic block diagram of a network device according to an embodiment of the present invention. As shown in FIG. 9, the network device 20 is
A receiving module 21 configured to receive a connection establishment request message transmitted from a terminal device, and
A confirmation module 22 configured to confirm the conflict resolution message based on the format of the connection establishment request message, and
A transmission module 23 configured to transmit the conflict resolution message to the terminal device, and
The format of the connection establishment request message is determined by the terminal device from a plurality of types of connection establishment request formats.

Therefore, the network device terminal device of the present invention receives the transmitted connection establishment request message based on the fixed connection establishment request format, and the conflict resolution message is sent to the terminal device based on the format of the connection establishment request message. To send. This can be applied to high-speed connection establishment to meet different service requests in a plurality of environments.

In the embodiment of the present invention, as an option, the transmission module 23 is further configured to transmit network condition instruction information to the terminal device, and the terminal device requests the connection establishment based on the network condition instruction information. In order to determine the connection establishment request format for transmitting the message, the network condition instruction information is used to indicate whether or not the network device supports connection establishment request messages in a plurality of types of formats.

In the embodiment of the present invention, as an option, the transmission module 23 specifically
Send a broadcast message to the terminal device or
Send an RRC connection establishment release message for the previous radio resource control RRC connection to the terminal device, or
Sending terminal-specific signaling to the terminal device, or
Sending a paging message to the terminal device,
The broadcast message includes the network condition instruction information, the RRC connection establishment release message includes the network condition instruction information, and the terminal-dedicated signaling includes the network condition instruction information, and the paging. The message includes the network condition instruction information.

In the embodiment of the present invention, as an option, the transmission module 23 transmits the network condition instruction information to the terminal device when the reception module receives the first instruction message transmitted from the mobile management entity (MME). Configured to or
Whether or not to transmit the network condition instruction information to the terminal device based on the number of connected users and the number of users trying to access the confirmation module 22 and the covering cell of the network device. Further configured to be finalized.

In an embodiment of the invention, as an option, the transmission module 23 is further configured to transmit a random access resource to the terminal device.

In the embodiments of the present invention, as an option, the random access resource is a preamble group.

In the embodiment of the present invention, as an option, the root sequence of the preamble sequence of the preamble group is different from the root sequence of the preamble sequence of the preamble group A, and the root sequence of the preamble sequence of the preamble group is the preamble of the preamble group B. Different from the root sequence of the sequence, or
The position of the time frequency resource occupied by the preamble group is different from that of the preamble group A, and the position of the time frequency resource occupied by the preamble group is different from that of the preamble group B.

In an embodiment of the invention, as an option, the receiving module 21 is further configured to receive a second instruction message transmitted by a mobility management entity (MME), the second instruction message being plural in the network. Used to indicate the proportion of terminal devices that support different types of connection establishment request formats.
Here, the determination module 22 is further configured to determine the number of preamble sequences included in the preamble group based on the proportion.

In an embodiment of the invention, as an option, the determination module 22 is further configured to allocate uplink resources to the terminal device.

In an embodiment of the present invention, as an option, the receiving module 21 is configured to receive a terminal capability instruction message transmitted by the terminal device.
Here, the confirmation module 22 is
Based on the terminal capability instruction message, an uplink resource is allocated to the terminal device, or
Based on the preamble group to which the preamble sequence transmitted by the terminal device belongs, an uplink resource is allocated to the terminal device, or an uplink resource is assigned to the terminal device.
Allocate a preset size uplink resource to the terminal device,
Further configured as
In the uplink resource of the preset size, the connection establishment request message corresponding to the connection establishment request format occupying the largest number of bits can satisfy the request for the resource.

In the embodiment of the present invention, as an option, the connection establishment request message includes the identifier ID of the terminal device and / or the cause of the connection establishment and / or the non-access layer NAS message and / or the security key. include.

In the embodiment of the present invention, the receiving module 21 may be realized by the receiver, the confirmation module 22 may be realized by the processor, and the transmitting module 23 may be realized by the transmitter. As shown in FIG. 10, the network device 200 can include a processor 201, a receiver 202, a transmitter 203 and a storage device 204. Here, the storage device 204 can be configured to store the code or the like executed by the processor 201.

Each component in the network device 200 is coupled via a bus system system 205, wherein the bus system 205 includes a power bus, a control bus, and a status signal bus in addition to the data bus.

The network device 20 shown in FIG. 9 or the network device 200 shown in FIG. 10 can realize each flow realized by the network device in the embodiment of FIG. 3 above, and is duplicated. To avoid, I will not explain further here.

It is said that the steps of each exemplary unit and algorithm described in the embodiments disclosed in the present application can be combined and realized using electronic hardware or a combination of computer software and electronic hardware. Any trader can understand. Whether these functions are implemented in the form of hardware or software depends on the specific application of the technical proposal and design constraints. One of ordinary skill in the art can realize the functions described using different methods for each particular application, but such realization should not be considered beyond the scope of the present invention.

For convenience and conciseness of description, one of ordinary skill in the art can refer to the corresponding flow of the above method embodiments for the specific operation of the systems, devices and units described above. I won't say any more.

In some of the embodiments provided in the present application, the disclosed systems, devices and methods may be implemented in other ways. For example, the embodiment of the device described above is merely an example, for example, the division of the unit is merely a logical functional division, and in fact, another division is used when it is realized. It may be, for example, a plurality of units or components may be integrated or aggregated into another system, or some technical features may be omitted or not implemented. Also, the mutual coupling, or direct coupling, or communication connection of each component specified or discussed is connected by indirect coupling or communication of several interfaces, devices, or units. It may be of any form, electrical, mechanical, or other.

The units described above as separate components may or may not be physically separated. The component shown as a unit may or may not be a physical unit. It may be placed in one place or distributed to a plurality of network units. Depending on the actual needs, some or all of the units may be selected to realize the object of the technical proposal of this embodiment.

Further, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may be a single unit, and two or more units may be integrated into one unit. You may.

The function is realized by the method of a software function unit, and when sold or used as an independent product, it may be stored in a computer-readable storage medium. As a result, the part of the technical proposal of the present invention that contributes to the prior art can be realized in the form of a software product, and the computer software product is stored in a storage medium and is stored in a computer device (personal computer, server, or network device). Etc.) include a plurality of instructions for executing the above-mentioned method of all or a part of each embodiment of the present invention. The above storage medium stores various program codes such as a USB memory, a mobile storage medium, a read-only memory (ROM: Read-Only Memory), a random access storage device (RAM: Random Access Memory), a magnetic disk, or a compact disk. Includes possible media.

The above description is merely a specific embodiment of the present invention, and the present invention is not limited to this, and modifications or modifications that can be easily conceived by those skilled in the art within the scope disclosed in the present invention. All replacements should be included within the scope of the present invention. Therefore, the scope of the present invention should be in accordance with the stated claims.

Claims (4)

It ’s a connection establishment method.
The network device receives the random access preamble sent from the terminal device, and
The network device sends a random access response (RAR) message to the terminal device.
The network device is to transmit network condition instruction information to the terminal device, and the network condition instruction information indicates whether or not the network device supports connection establishment request messages in a plurality of formats. , That and
The network device receives a connection establishment request message transmitted after the terminal device receives the RAR message, and the connection establishment request format corresponding to the connection establishment request message includes a plurality of types of connection establishment requests. It's one of the formats,
The connection establishment method comprising: transmitting a conflict resolution message to the terminal device based on a connection establishment request format corresponding to the connection establishment request message. The connection establishment request message includes the identifier ID of the terminal device and / or the cause of connection establishment and / or the non-access layer NAS message and / or the security key.
The connection establishment method according to claim 1, wherein the connection is established. It ’s a network device,
A receiving module configured to receive random access preambles sent from the terminal device,
A transmission module configured to transmit a random access response (RAR) message to the terminal device and to transmit network condition instruction information to the terminal device, wherein the network condition instruction information includes a plurality of types of the network device. Equipped with a send module, which indicates whether to support the connection establishment request message in the format of
The receiving module is further configured to receive a connection establishment request message transmitted after the terminal device receives the RAR message, and the connection establishment request format corresponding to the connection establishment request message has a plurality of types of connections. It is one of the establishment request formats and
A confirmation module configured to confirm the conflict resolution message based on the format of the connection establishment request message.
The network device is characterized in that the transmission module is further configured to transmit a conflict resolution message to the terminal device based on a connection establishment request format corresponding to the connection establishment request message. The connection establishment request message includes the identifier ID of the terminal device and / or the cause of connection establishment and / or the non-access layer NAS message and / or the security key.
The network device according to claim 3.

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