CN104247553B - Establish the method and apparatus of connection - Google Patents

Abstract

The embodiment of the present invention provides a kind of method and apparatus for establishing connection.This method comprises: first base station sends RRC connection release message to the first user equipment, the first quick connection identifier is carried in RRC connection release message, the first quick connection identifier is used to indicate the context that the first user equipment saves the first user equipment；First base station receives the RRC connection that the first user equipment is sent and establishes request, and the S-TMSI that first user equipment is carried in request is established in RRC connection；First base station searches the context of the first user equipment using S-TMSI in the context of each user equipment pre-saved, and RRC connection is sent to the first user equipment and establishes message, the second quick connection identifier is carried, the second quick connection identifier is used to that the first user equipment to be notified to be quickly connected using the context of the first user equipment pre-saved；First base station receives the RRC connection setup complete message that the first user equipment is sent.

Description

Establish the method and apparatus of connection

Technical field

The present invention relates to the communication technology more particularly to a kind of method and apparatus for establishing connection.

Background technique

With increasingly developed, more and more users' equipment (User Equipment, abbreviation UE) needs of the communication technology Carried out data transmission by wireless network, usually every certain time interval, it is necessary to once be interacted, be passed with network side A defeated small data packets, for example, several or tens bits.

In the prior art, after data transmission is completed between UE and base station, wireless heterogeneous networks (Radio can be exited Resource Control, abbreviation RRC) connection status, idle state is returned to, needs to transmit data Shi Zaichong with base station in next time Newly establish RRC connection, it is therefore desirable to it is largely eated dishes without rice or wine and network side Signalling exchange, network-signaling load weight.

Summary of the invention

The embodiment of the present invention provides a kind of method and apparatus for establishing connection, production when reducing terminal transmission small data packets Raw signaling overheads.

In a first aspect, providing a kind of method for establishing connection, comprising:

First base station sends radio resource control RRC connection release message, the RRC Connection Release to the first user equipment Carry the first quick connection identifier in message, the first quick connection identifier is used to indicate described in first user equipment the Preserve the context of first user equipment in one base station；

The first base station receives the RRC connection that first user equipment is sent and establishes request, and the RRC connection is established The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI of first user equipment is carried in request；

The first base station is using the S-TMSI above and below each user equipment that the first base station pre-saves The context of first user equipment is searched in text, and if it exists, then send RRC connection foundation to first user equipment and disappear Breath, wherein the RRC connection establishes message and carries the second quick connection identifier, and the second quick connection identifier is for notifying First user equipment is quickly connected using the context of first user equipment pre-saved；

The first base station receives the RRC connection setup complete message that first user equipment is sent.

In the first possible implementation of the first aspect, the first base station sends RRC to the first user equipment Before connection release message, further includes:

The first quick connection request message that the first base station reception mobility management entity MME is sent, described first The S-TMSI of the described first quick connection identifier and first user equipment is carried in quick connection request message；Described first The first quick connection response message that base station is sent to the MME；Alternatively,

The first base station sends the second quick connection request message to the MME, and the second quick connection request disappears The described first quick connection identifier is carried in breath；The first base station receives the second quick connection response that the MME is sent and disappears It ceases, the S-TMSI of first user equipment is carried in the second quick connection response message.

The possible implementation of with reference to first aspect the first, in the second possible implementation, described first Also carried in quick connection request message or in the second quick connection response message: first user equipment it is wireless The wireless resource configuration of resource allocation information, first user equipment is used for first user equipment and described first Base station is communicated.

With reference to first aspect or any possible implementation of first aspect, in the third possible implementation In, it is also carried in the RRC connection release message: the wireless resource configuration of first user equipment, the wireless money Source configuration information is used for the quick connection.

With reference to first aspect or any possible implementation of first aspect, in the 4th kind of possible implementation In, timing is also carried in the RRC connection release message, is used to indicate first user equipment in the timing The context for first user equipment that first user equipment saves is discharged or deleted after corresponding timer expiry.

The 4th kind of possible implementation with reference to first aspect, in a fifth possible implementation, the method Further include:

For the first base station when sending the RRC connection release message, starting corresponds to the timing of the timing Device；

The first base station discharges after the timer expiry or deletes first user equipment pre-saved Context.

The 4th kind with reference to first aspect or the 5th kind of possible implementation, in a sixth possible implementation, The method also includes:

The first base station sends the first context release request to the MME after the timer expiry, and described the The context for first user equipment that one context release request is used to that the MME release to be requested to pre-save.

With reference to first aspect or any possible implementation of first aspect, in the 7th kind of possible implementation In, the first base station is sent to the first user equipment before radio resource control RRC connection release message, further includes:

If first user equipment is switched to the first base station from the second base station,

In handoff procedure, the first base station receives the switching request message that second base station is sent, wherein described Handover request message includes the S-TMSI；Or

In handoff procedure, the first base station receives the S-TMSI that the MME is sent.

With reference to first aspect or any possible implementation of first aspect, in the 8th kind of possible implementation In, the first base station receives the S-TMSI that the MME is sent, comprising:

The first base station receives the switching request handover request message that the MME is sent, wherein described Handover request message includes the S-TMSI, and the S-TMSI is the MME by receiving from second base station Switching require to obtain in handover require message.

With reference to first aspect or any possible implementation of first aspect, in the 9th kind of possible implementation In, further includes:

The first base station sends the RRC connection release message to second user equipment；

The first base station receives the downlink data that core net is sent；

The first base station pages the second user equipment；

If the first base station pages the second user equipment failure, the first base station sends to the MME and passes Defeated failed message, so that the MME pages the second user equipment.

Second aspect provides a kind of method for establishing connection, comprising:

User equipment receives the radio resource control RRC connection release message that base station is sent, the RRC connection release message The first quick connection identifier of middle carrying, the first quick connection identifier are used to indicate the user equipment preservation user and set Standby context；

The user equipment saves the context of the user equipment；

The user equipment sends RRC connection to the base station and establishes request, and the RRC connection establishes in request and carries institute The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI of user equipment is stated, so that the base station is using the S-TMSI in institute State the context that the user equipment is searched in the context for each user equipment that base station pre-saves；

The user equipment receives the base station and establishes message according to the transmission RRC connection of the context of the user equipment, Wherein, the RRC connection establishes message and carries the second quick connection identifier, and the second quick connection identifier is described for notifying User equipment is quickly connected using the context of the user equipment pre-saved；

The user equipment sends RRC connection setup complete message to the base station.

In the first possible implementation of the second aspect, it is also carried in the RRC connection release message: the use The wireless resource configuration of family equipment, the wireless resource configuration are led to for the user equipment with the base station Letter.

In conjunction with the first possible implementation of second aspect, in the second possible implementation, the user Equipment is sent to the base station before RRC connection setup complete message, further includes:

The user equipment determines the wireless of the user equipment according to the wireless resource configuration of the user equipment Whether resource meets the data transmission after RRC connection is established；

If satisfied, then the user equipment carries fastly into the RRC connection setup complete message that the base station is sent Speed connection instruction information, the quick connection instruction information, which is used to indicate between the user equipment and the base station, can be used The wireless resource configuration of storage, without carrying out radio link reconfiguration.

In conjunction with any possible implementation of second aspect or second aspect, in the third possible implementation In, timing is also carried in the RRC connection release message；

The method also includes: the user equipment starts timer, and institute is discharged or deleted after the timer expiry State the context of user equipment.

The third aspect provides a kind of base station, comprising:

Sending module, for sending radio resource control RRC connection release message to the first user equipment, the RRC connects It connects the first quick connection identifier of carrying, the first quick connection identifier in release message and is used to indicate first user equipment The first base station preserves the context of first user equipment；

Receiving module establishes request for receiving the RRC connection that first user equipment is sent, and the RRC connection is built The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI of first user equipment is carried in vertical request；

Memory module, the context of each user equipment for preservation.

Searching module, described in being stored using the received S-TMSI of the receiving module in the memory module The context of first user equipment is searched in the context of each user equipment；

The sending module is also used to, if the searching module finds the context of first user equipment, to First user equipment sends RRC connection and establishes message, wherein the RRC connection establishes message and carries the second quickly connection Mark, the second quick connection identifier is for notifying first user equipment to pre-save using first user equipment The context of the first user equipment be quickly connected；

The receiving module, the RRC connection setup complete message sent for receiving first user equipment.

In the first possible implementation of the third aspect, the receiving module is for receiving mobility management entity The first quick connection request message that MME is sent carries the described first quickly connection in the first quick connection request message The S-TMSI of mark and first user equipment；The sending module is used to send the first quick connection response to the MME Message；Alternatively,

The sending module is used to send the second quick connection request message to the MME, and the described second quick connection is asked It asks and carries the described first quick connection identifier in message；The receiving module is used to receive the MME is sent second and quickly connects Response message is connect, the S-TMSI of first user equipment is carried in the second quick connection response message.

In conjunction with the first possible implementation of the third aspect, in the second possible implementation, the transmission In the described first quick connection request message that module is sent or the receiving module received described second is quickly connected and is rung It answers in message and also carries: the wireless resource configuration of first user equipment, the radio resource of first user equipment Configuration information is communicated for first user equipment with the first base station.

In conjunction with second of possible implementation of the third aspect, in the third possible implementation, the RRC connects It connects in release message and also carries: the wireless resource configuration of first user equipment, the radio-resource-configuration letter Breath is communicated for first user equipment with the first base station.

In conjunction with any possible implementation of the third aspect or the third aspect, in the 4th kind of possible implementation In, timing is also carried in the RRC connection release message, is used to indicate first user equipment in the timing The context for first user equipment that first user equipment saves is discharged or deleted after corresponding timer expiry.

In conjunction with the 4th kind of possible implementation of the third aspect, in a fifth possible implementation, the base station Further include:

Timing module, for starting the timing when the sending module sends the RRC connection release message Corresponding timer；

Context release module, for the memory module to be discharged or deleted after the timer expiry of the timing module The context of first user equipment saved.

In conjunction with the 4th kind of the third aspect or the 5th kind of possible implementation, in a sixth possible implementation, The sending module be also used to after the timer expiry to the MME send the first context release request, described first The context for first user equipment that context release request is used to that the MME release to be requested to pre-save.

In conjunction with any possible implementation of the third aspect or the third aspect, in the 7th kind of possible implementation In, the receiving module is also used to, and the first base station sends radio resource control RRC Connection Release to the first user equipment and disappears Before breath, if first user equipment is switched to the first base station from the second base station, in handoff procedure, described in reception The switching request handover request message that second base station is sent, wherein the handover request message includes The S-TMSI；Alternatively, receiving the S-TMSI that the MME is sent in handoff procedure.

In conjunction with the 7th kind of possible implementation of the third aspect, in the 8th kind of possible implementation, the reception Module is specifically used for receiving the S-TMSI that the MME is sent as follows:

Receive the switching request handover request message that the MME is sent, wherein the handover Request message includes the S-TMSI, and the S-TMSI is that the MME is required by the received switching from second base station It is obtained in handover require message.

In conjunction with any possible implementation of the third aspect or the third aspect, in the 9th kind of possible implementation In, the sending module is also used to, and sends the RRC connection release message to second user equipment；

The receiving module is also used to receive the downlink data of core net transmission；

Module is paged, for paging second user equipment；

The sending module, if the failure of second user equipment described in the paging module pages is also used to, to the MME Transmission failed message is sent, so that the MME pages the second user equipment.

Fourth aspect provides a kind of user equipment, comprising:

Receiving module, for receiving the radio resource control RRC connection release message of base station transmission, the RRC connection is released The first quick connection identifier of carrying in message is put, the first quick connection identifier is used to indicate described in the user equipment preservation The context of user equipment；

Memory module, for saving the context of the user equipment；

Sending module establishes request for sending RRC connection to the base station, and the RRC connection is established in request and carried The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI of the user equipment, so that the base station is existed using the S-TMSI The context of the user equipment is searched in the context for each user equipment that the base station pre-saves；

The receiving module is also used to receive the RRC connection that the base station is sent according to the context of the user equipment Message is established, the RRC connection establishes message and carries the second quick connection identifier；

The sending module is also used to send RRC connection setup complete message to the base station.

In the first possible implementation of the fourth aspect, the received RRC Connection Release of the receiving module Also carry in message: the wireless resource configuration of the user equipment, the wireless resource configuration are used for the user Equipment is communicated with the base station.

In conjunction with the first possible implementation of fourth aspect, in the second possible implementation, the user Equipment further include:

Determining module, for determining whether radio resource meets RRC connection and establish according to the wireless resource configuration Data transmission afterwards；

The determining module determines that the radio resource meets the data transmission after the RRC connection is established, then institute It states sending module and carries quickly connection instruction information into the RRC connection setup complete message that the base station is sent, it is described Quickly connection instruction information is used to indicate the radio resource that storage can be used between the user equipment and the base station Configuration information, without carrying out radio link reconfiguration.

In conjunction with any possible implementation of fourth aspect or fourth aspect, in the third possible implementation In, timing is also carried in the received RRC connection release message of receiving module；

The user equipment further include:

Starting module corresponds to timer for starting, and it is received described that the timer corresponds to the receiving module The timing carried in RRC connection release message；

Release module, for the user saved to be discharged or deleted after the timer expiry of the timing module The context of equipment.

5th aspect, provides a kind of base station, comprising:

Transmitter, for sending radio resource control RRC connection release message, the RRC connection to the first user equipment The first quick connection identifier is carried in release message, the first quick connection identifier is used to indicate the first user equipment institute It states first base station and preserves the context for saving first user equipment；

Receiver establishes request for receiving the RRC connection that first user equipment is sent, and the RRC connection is established The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI of first user equipment is carried in request；

Memory, the context of each user equipment for preservation；

Processor, for being set using the received S-TMSI of the receiver in each user that the memory saves The context of first user equipment is searched in standby context；

If the transmitter is also used to the context that the processor finds first user equipment, to described One user equipment sends RRC connection and establishes message, and message the second quick connection identifier of carrying is established in the RRC connection, and described the The first user that two quick connection identifier are used to that first user equipment to be notified to pre-save using first user equipment The context of equipment is quickly connected；

The receiver is also used to receive the RRC connection setup complete message that first user equipment is sent.

In the first possible implementation of the 5th aspect, the receiver is also used to receive mobility management entity The first quick connection request message that MME is sent carries the described first quickly connection in the first quick connection request message The S-TMSI of mark and first user equipment；The transmitter is also used to send the first quick connection response to the MME Message；Alternatively,

The transmitter is used to send the second quick connection request message, the second quick connection request to the MME The described first quick connection identifier is carried in message；The receiver is also used to receive the MME is sent second quickly connection Response message carries the S-TMSI of first user equipment in the second quick connection response message.

According to the first possible implementation of the 5th aspect, in the second possible implementation, the transmission In the described first quick connection request message that device is sent or the received second quick connection response of the receiver disappears It is also carried in breath: the wireless resource configuration of first user equipment, the radio-resource-configuration of first user equipment Information is communicated for first user equipment with the first base station.

According to second of possible implementation of the 5th aspect, in the third possible implementation, the transmission It is also carried in the RRC connection release message that device is sent: the wireless resource configuration of first user equipment.

In conjunction with any possible implementation of the 5th aspect or the 5th aspect, in the 4th kind of possible implementation In, timing is also carried in the RRC connection release message, what the sending module was sent.

In conjunction with the 4th kind of possible implementation of the 5th aspect, in a fifth possible implementation, the processing Device is also used to:

When the receiver receives the RRC connection release message, start the corresponding timer of the timing；

The context for first user equipment that the memory saves is discharged or deleted after the timer expiry.

In conjunction with the third or the 4th kind of possible implementation of the 5th aspect, in a sixth possible implementation, The transmitter is also used to:

The first context release request, the first context release are sent to the MME after the timer expiry Request the context of first user equipment for requesting the MME release to pre-save.

In conjunction with any possible implementation of the 5th aspect or the 5th aspect, in the 7th kind of possible implementation In,

The receiver is also used to, the transmitter to the first user equipment send the RRC connection release message it Before, if first user equipment is switched to the first base station from the second base station, in handoff procedure, receive described second The switching request handover request message that base station is sent, wherein the handover request message includes described S-TMSI；Alternatively, receiving the S-TMSI that the MME is sent in handoff procedure.

In conjunction with the 7th kind of possible implementation of the 5th aspect, in the 8th kind of possible implementation,

The receiver is specifically used for receiving the S-TMSI that the MME is sent as follows:

Receive the switching request handover request message that the MME is sent, wherein the handover Request message includes the S-TMSI, and the S-TMSI is that the MME is required by the received switching from second base station It is obtained in handover require message.

6th aspect, provides a kind of user equipment, comprising:

Receiver, for receiving the radio resource control RRC connection release message of base station transmission, the RRC Connection Release The first quick connection identifier is carried in message, the first quick connection identifier is used to indicate the user equipment and saves the use The context of family equipment；

Processor, for quickly connection to be marked according to first carried in the received RRC connection release message of receiver Know, instruction memory saves the context of the user equipment；

Memory, for saving the context of the user equipment；

Transmitter establishes request for sending RRC connection to the base station, and the RRC connection establishes in request and carries institute The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI of user equipment is stated, so that the base station is using the S-TMSI in institute It states base station and pre-saves the context for searching the user equipment in the context of each user equipment；

The receiver is also used to receive the RRC connection that the base station is sent and establishes message, and message is established in the RRC connection Carry the second quick connection identifier；

The transmitter is also used to send RRC connection setup complete message to the base station.

In the first possible implementation of the 6th aspect, the received RRC Connection Release of receiver disappears It is also carried in breath: the wireless resource configuration of the user equipment.

According to the first possible implementation of the 6th aspect, in the second possible implementation, the processing Device is also used to:

Determine whether radio resource meets the data transmission after RRC connection is established according to the wireless resource configuration；

If the processor determines that the radio resource meets the data transmission after the RRC connection is established, institute It states transmitter and carries quickly connection instruction information into the RRC connection setup complete message that the base station is sent, it is described fast Speed link instruction information, which is used to indicate, can be used the radio resource of storage and matches between the user equipment and the base station Confidence breath, without carrying out radio link reconfiguration.

In conjunction with any possible implementation of the 6th aspect or the 6th aspect, in the third possible implementation In, timing is also carried in the received RRC connection release message of receiver；

The user equipment further include:

Timing module, for starting the timer for corresponding to the timing；

Release module, for the user saved to be discharged or deleted after the timer expiry of the timing module The context of equipment.

7th aspect, provides a kind of method for releasing resource, comprising:

First base station sends radio resource control RRC connection release message, the RRC connection release message to user equipment The first quick connection identifier of middle carrying, the first quick connection identifier are used to indicate the guarantor of first base station described in the user equipment There is the context of the user equipment；

The first base station receives the second context release request that mobility management entity MME is sent, on described second Hereafter release request is used to indicate the context that the first base station discharges the user equipment, and the second context release is asked It asks as the MME after the user equipment for receiving the transmission of the second base station accesses the message of second base station to described the What one base station was sent.

Eighth aspect provides and a kind of establishes connection method, comprising:

Base station sends radio resource control RRC connection release message to user equipment, takes in the RRC connection release message With quick connection identifier, the quick connection identifier is used to indicate base station described in the user equipment and preserves the user equipment Context；

The base station receives the downlink data that core net is sent；

User equipment described in the base station calling；

If user equipment described in the base station calling fails, the base station sends transmission failed message to the MME, with The MME is set to page the user equipment.

9th aspect, provides and a kind of establishes connection method, comprising:

Base station sends radio resource control RRC connection release message to user equipment and starts timer, wherein the RRC The timing of the timer is carried in connection release message, the described RRC connection release message is used to indicate the user Equipment discharges or deletes the context of the user equipment after the timing time-out；

The base station discharges after the timer expiry or deletes the context of the user equipment.

In the first possible implementation of the 9th aspect, the method also includes:

The base station sends context release to the mobility management entity MME after the timing time-out and asks It asks, the context that the context release request is used to that the MME to be requested to discharge the user equipment.

Tenth aspect, provides a kind of base station, and the base station is first base station, comprising:

Sending module, for sending radio resource control RRC connection release message to user equipment, the RRC connection is released The first quick connection identifier of carrying, the first quick connection identifier in message is put to be used to indicate first described in the user equipment Preserve the context of the user equipment in base station；

Memory module, for storing the context of the user equipment；

Receiving module, for receiving the second context release request of mobility management entity MME transmission, on described second Hereafter release request is used to indicate the context that the base station discharges the user equipment, wherein the second context release Request is MME Xiang Suoshu after the message that the user equipment for receiving the transmission of the second base station accesses second base station What first base station was sent；

Processing module, for being deposited described in release after the receiving module receives second context release request Store up the context of the user equipment of module storage.

On the one hand tenth, provides a kind of base station, comprising:

Sending module, for sending radio resource control RRC connection release message to user equipment, the RRC connection is released It puts and carries quick connection identifier in message, the quick connection identifier is used to indicate base station described in the user equipment and saves State the context of user equipment；

Receiving module, for receiving the downlink data of core net transmission；

Processing module, for after the receiving module receives the downlink data, controlling the sending module paging The user equipment controls the sending module and unsuccessfully disappears to MME transmission transmission if paging the user equipment failure Breath, so that the MME pages the user equipment.

12nd aspect, provides a kind of base station, comprising:

Sending module, for sending radio resource control RRC connection release message to user equipment；

Memory module, for storing the context of user equipment；

Processing module is released for controlling the sending module to user equipment transmission radio resource control RRC connection Message is put, and starts timer, wherein the timing of the timer is carried in the RRC connection release message, it is described to be somebody's turn to do RRC connection release message is used to indicate the user equipment and discharges or delete the user equipment after the timing time-out Context；The context for the user equipment that the memory module stores is discharged or deleted after the timer expiry.

In the first possible implementation of the 12nd aspect,

The processing module is also used to, and controls the sending module to the mobility pipe after the timing time-out It manages entity MME and sends context release request, the context release request is for requesting the MME to discharge the user equipment Context.

13rd aspect, provides a kind of base station, and the base station is first base station, comprising:

Transmitter, for sending radio resource control RRC connection release message, the RRC Connection Release to user equipment The first quick connection identifier is carried in message, the first quick connection identifier is used to indicate the first base described in the user equipment Preserve the context of the user equipment in station；

Memory, for storing the context of the user equipment；

Receiver, the second context release request sent for receiving mobility management entity MME, described about second Text release request is used to indicate the context that the base station discharges the user equipment, wherein the second context release is asked It asks as the MME after the user equipment for receiving the transmission of the second base station accesses the message of second base station to described the What one base station was sent；

Processor, for discharging the memory after the receiver receives second context release request The context of the user equipment of storage.

Fourteenth aspect provides a kind of base station, comprising:

Transmitter, for sending radio resource control RRC connection release message, the RRC Connection Release to user equipment Carry quick connection identifier in message, the quick connection identifier be used to indicate base station described in the user equipment preserve it is described The context of user equipment；

Receiver, for receiving the downlink data of core net transmission；

Processor pages the use for after the receiver receives the downlink data, controlling the transmitter Family equipment controls the transmitter to the MME and sends transmission failed message if paging the user equipment failure, so that The MME pages the user equipment.

15th aspect, provides a kind of base station, comprising:

Transmitter, for sending radio resource control RRC connection release message to user equipment；

Memory, for storing the context of user equipment；

Processor disappears for controlling the transmitter to user equipment transmission radio resource control RRC Connection Release Breath, and start timer, wherein the timing of the timer is carried in the RRC connection release message, the described RRC connects It connects release message and is used to indicate the user equipment and discharge or delete the upper of the user equipment after timing time-out Hereafter；The context for the user equipment that the memory stores is discharged or deleted after the timer expiry.

In the first possible implementation of the 15th aspect,

The processor is also used to, and it is real to the mobile management to control the transmitter after the timing time-out Body MME sends context release request, and the context release request is for requesting the MME to discharge the user equipment Hereafter.

Through the above scheme, by carrying the first quick connection identifier in RRC connection release message, base station and use are indicated The context and its corresponding S-TMSI of user equipment is stored in advance in family equipment, and connects in the RRC that base station is sent to user equipment It connects and establishes the second quick connection identifier of carrying in message, the context of the user equipment pre-saved is used with notifying user equipment It is quickly connected, the signaling overheads generated when to reducing terminal transmission small data packets realizes the quick foundation of connection.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the flow chart for the embodiment of the method one that the present invention establishes connection；

Fig. 2 is the flow chart for the embodiment of the method two that present invention connection is established；

Fig. 3 is the flow chart for the embodiment of the method three that the present invention establishes connection；

Fig. 4 is the signaling process figure that the present invention establishes a sequence of embodiment of the method four；

Fig. 5 is the signaling process figure for the embodiment of the method five that the present invention establishes connection；

Fig. 6 is the flow chart for the embodiment of the method six that the present invention establishes connection；

Fig. 7 is the structural schematic diagram of base station embodiment one of the present invention；

Fig. 8 is the structural schematic diagram of user equipment embodiment one of the present invention；

Fig. 9 is the structural schematic diagram of base station embodiment two of the present invention；

Figure 10 is the structural schematic diagram of user equipment embodiment two of the present invention.

Figure 11 is the structural schematic diagram of the another embodiment of base station of the present invention.

Figure 12 is the structural schematic diagram of the another embodiment of base station of the present invention.

Figure 13 is the structural schematic diagram of the another embodiment of base station of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

The techniques described herein may be used in various communication systems, such as current 2G, 3G communication system and next generation communication System, such as global system for mobile communications (GSM, Global System for Mobile communications), code point are more Location (CDMA, Code Division Multiple Access) system, time division multiple acess (TDMA, Time Division Multiple Access) system, wideband code division multiple access (WCDMA, Wideband Code Division Multiple Access Wireless), frequency division multiple access (FDMA, Frequency Division Multiple Addressing) system, just Frequency division multiple access (OFDMA, the Orthogonal Frequency-Division Multiple Access) system of friendship, single carrier FDMA (SC-FDMA) system, General Packet Radio Service (GPRS, General Packet Radio Service) system are long Phase evolution (LTE, Long Term Evolution) system and other such communication systems.

User equipment involved in the application can be wireless terminal and be also possible to catv terminal, and wireless terminal can be Refer to the equipment for providing a user voice and/or data connectivity, there is the handheld device of wireless connecting function or is connected to nothing Other processing equipments of line modem.Wireless terminal can be through wireless access network (for example, RAN, Radio Access Network it) is communicated with one or more core nets, wireless terminal can be mobile terminal, as mobile phone (or is " honeycomb " phone) and computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer Or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.For example, personal communication service (PCS, Personal Communication Service) phone, wireless phone, Session initiation Protocol (SIP, Session Initiation Protocol) phone, wireless local loop (WLL, Wireless Local Loop) stand, personal digital assistant Equipment such as (PDA, Personal Digital Assistant).Wireless terminal is referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device) or user equipment (User Equipment).

Base station involved in the application is the base station of broad sense, including wireless resource management and data scheduling feature, be can wrap Radio network controller (Radio Network Controller, RNC) is included, can also include in access net in the sky on interface Pass through the equipment of one or more sectors and wireless terminal communications.The air frame that base station can be used for receive is grouped with IP and carries out phase Mutually conversion, as the router between wireless terminal and the rest part of access net, wherein the rest part for accessing net may include Internet protocol (IP) network.Attribute management of the base station also tunable to air interface.For example, base station can be in GSM or CDMA Base station (BTS, Base Transceiver Station), be also possible to the base station (NodeB) in WCDMA, can also be LTE In evolved base station (NodeB or eNB or e-NodeB, evolutional Node B), the application does not limit.

The serial number of following embodiment of the present invention is for illustration only, does not represent the advantages or disadvantages of the embodiments.And each embodiment And the feature of embodiment is in the absence of conflict, can be combined with each other.

Fig. 1 is the flow chart for the embodiment of the method one that the present invention establishes connection.As shown in Figure 1, provided in this embodiment build The executing subject of the method for vertical connection is base station.The method for establishing connection of the present embodiment specifically includes:

S101, base station send RRC connection release message to user equipment, and it is fast to carry first in the RRC connection release message Fast connection identifier, the first quick connection identifier are used to indicate the context that the user equipment is preserved in the user equipment base station.

The user equipment can save the context of the user equipment after receiving the RRC connection release message message.When So, which may be used to indicate that user equipment saves the context of the user equipment.

Specifically, the context of the user equipment includes the wireless resource configuration of the user equipment, sets the user For when accessing again, the radio-resource-configuration can be directly used, without carrying out again by RRC reallocation message to radio resource Secondary configuration can save signaling overheads.

S102, base station receive the RRC connection that user equipment is sent and establish request, which establishes to carry in request and use System Architecture Evolution Temporary Mobile Subscriber Identity (S-TMSI, SAE Temporary the Mobile Subscriber of family equipment Identity, wherein SAE full name is System Architecture Evolution).

It should be noted that the RRC connection is established the S-TMSI carried in request and can also be answered by MME S1 in this step It is replaced with agreement (AP, Application Protocol) UE mark (ID, Identity).If RRC connection is established in request That carry is MME S1AP UE ID, then the S-TMSI in subsequent step replaces with MME S1AP UE ID.

Since when user equipment accesses again, base station can be according to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI, Cell Radio Network Temporary Identifier) search the context of user equipment, thus in the process, the use The C-RNTI of family equipment is always maintained at, which will not be distributed to other user equipmenies by base station.In order to avoid this One problem, the present embodiment searches pre-stored UE context without using C-RNTI, but uses S-TMSI.Therefore, in step Rapid S101 can will be that the user equipment is distributed before this after base station has sent RRC connection release message to user equipment C-RNTI is discharged, so as to distribute to other user equipmenies.

The user is searched in the context for each user equipment that the base station pre-saves using S-TMSI in S103, base station The context of equipment, and if it exists, then send RRC connection to the user equipment and establish message, which establishes message carrying the Two quick connection identifier, the second quick connection identifier are used to that the user equipment to be notified to use the user equipment pre-saved Hereafter it is quickly connected.

Specifically, due to the corresponding S-TMSI of a user equipment, base station can be protected by S-TMSI in advance The context for sending the user equipment that request is established in the RRC connection is found in the context for each user equipment deposited.It is preferred that , when there is the context of the user equipment pre-saved, can be established in message in the RRC connection sent to user equipment The second quick connection identifier is carried, which uses the user equipment pre-saved for notifying user equipment Context be quickly connected；When the context of the user equipment pre-saved if it does not exist, then RRC connection is sent to UE and built The second quick connection identifier is not carried when vertical message, UE and base station can be used the prior art and establish connection.

Specifically, which establishes the second quick connection identifier of carrying, the second quick connection identifier in message and is used for The user equipment is notified to be quickly connected using the context of the user equipment pre-saved.

S104, base station receive the RRC connection setup complete message that user equipment is sent.

It is above-mentioned establish connection during, between user equipment and base station, the user equipment and gateway (S-GW, Serving-Gateway tunnel GPRS Tunnel Protocol (GTP, GPRS Tunneling Protocol) between) is always maintained at, That is, not discharging S1 interface application protocol (S1AP, S1Application Protocol) connection, but also passed without data It is defeated, thus the user equipment again access during, base station without again with mobility management entity (MME, Mobility Management Entity) it interacts to establish above-mentioned GTP tunnel, thus without the S1AP of distributing user equipment again Mark, to reduce the signaling overheads of network side.

Further, in above-mentioned S101, if base station is carried when sending RRC connection release message to user equipment The wireless resource configuration of user equipment then when the user equipment accesses again can directly use original data Radio bearer (DRB, Data Radio Bearer) configuration, thus the signaling overheads that the newly-built process for saving radio bearer generates.

The method provided in this embodiment for establishing connection, by carrying the first quickly connection in RRC connection release message Mark, instruction user equipment base station is previously stored with the context of user equipment, and is sent to the RRC of base station in user equipment The S-TMSI that the user equipment is carried in request is established in connection, so that base station is using the S-TMSI in each user pre-saved The context of the user equipment is found in the context of equipment, if finding the context of the user equipment, is sent out in base station It gives and carries the second quick mark when message is established in the RRC connection of user equipment, with the foundation being quickly connected, to reduce The signaling overheads generated when terminal transmission data packet realizes the quick foundation of connection.

It on the basis of the above embodiment 1, can also include: that base station receives MME is sent first fastly before S101 Fast connection request message.Optionally, the first quick connection identifier and user can be carried in the first quick connection request message The S-TMSI of equipment, the first quick connection request message can be customer equipment context release message, be also possible to increase newly S1AP message, specifically, which can be defined as the quick connection request of UE, the quick bind command of UE, UE quickly connect It connects and completes message, UE context can also be defined as and keep request, UE context that order, UE context is kept to complete message, this Embodiment is limited not to this.

After the first quick connection request message that base station receives that MME is sent, what which sent to MME first quickly connects Connect response message.Optionally, the first quick connection identifier can be carried in the first quick connection response message, to indicate base It stands and saves the context of user equipment.

Alternatively, also may include: that base station is fast to MME transmission second before S101 on the basis of the above embodiment 1 Fast connection request message optionally can carry the first quick connection identifier in the second quick connection request message, this second Quick connection request message can be customer equipment context release message, be also possible to newly-increased S1AP message, specifically, should S1AP message can quickly connect for the quick connection request of UE, the quick bind command of UE, UE and complete message, or UE or more Text keeps request, UE context that order, UE context is kept to complete message, and the present embodiment is limited not to this.

After base station sends the second quick connection request message to MME, which receives MME is sent second and quickly connects Response message is connect, optionally, the S-TMSI of user equipment can be carried in the second quick connection response message.

Since in the above-described embodiments, base station needs to search the context of user equipment by S-TMSI, therefore certain Ensure that base station has the S-TMSI of user equipment, specifically, which can be the context release life that MME is sent to UE It is carried when enabling message；The S-TMSI can also be carried in newly-increased S1AP message；And in user equipment by original base station (hereinafter referred to as source base station) is moved under the scene of the cell coverage area of another base station (hereinafter referred to as target BS), the S- TMSI can be sent to target BS by source base station in X2AP switching request message, or by source base station in S1AP switching request It is sent to MME in message, then carries the S-TMSI in S1AP switching request message by MME and is sent to target BS, specifically, S-TMSI cell can be increased newly in S1AP switching request message, or prepare to carry S-TMSI in cell in switching；It is also possible to In S1 handoff procedure, S-TMSI is sent to target BS by MME, that is, MME carries S- in S1AP switching request message TMSI is simultaneously sent to target BS, and in this case, which can be the UE device context that the MME is stored from the MME Middle acquisition, the present embodiment are limited not to this.

Further, it can also be carried in the first quick connection request or the second quick connection response message: user The wireless resource configuration of equipment, the wireless resource configuration of the user equipment can be used for user equipment and base station carries out Communication.

Further, the wireless resource configuration of user equipment can also be carried in RRC connection release message.

Further, timing can also be carried in the RRC connection release message in step S101, is used to indicate the use Family equipment discharges after the corresponding timer expiry of the timing or deletes that first user equipment saves described the The context of one user equipment.

The method can also include:

When sending the RRC connection release message, starting corresponds to the timer of the timing for the base station；

The base station discharges after the timer expiry or deletes the context of the user equipment pre-saved.

Further, this method can also include:

The base station sends context release request to MME after the timer expiry, and the context release request is used for The context for the user equipment for requesting the MME release to pre-save.

Further, the method for the present embodiment can also include:

The base station sends the RRC connection release message to second user equipment；

The base station receives the downlink data that core net is sent；

Second user equipment described in the base station calling；

If second user equipment described in the base station calling fails, which sends transmission failed message to MME, so that should MME pages the second user equipment.

The method provided in this embodiment for establishing connection carries first quickly through base station during interacting with MME Connection request message or the second quick connection request message, so that MME or the quick establishment of connection of base station triggers, to reduce The signaling overheads generated when terminal transmission data packet realizes the quick foundation of connection.

Fig. 2 is the flow chart for the embodiment of the method two that present invention connection is established.As shown in Fig. 2, side provided in this embodiment Method may include:

S201, base station send RRC connection release message to user equipment, when carrying timing in the RRC connection release message Between, it is used to indicate the context that user equipment discharges or delete the user equipment saved after timing time-out.

S202, base station are when sending RRC connection release message, the corresponding timer of starting timing.

S203, base station discharge after the timer expiry or delete the context of the user equipment pre-saved.

When user equipment accesses again, base station can be according to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI, Cell Radio Network Temporary Identifier) search the context of user equipment, thus in the process, the user equipment C-RNTI be always maintained at, which will not be distributed to other user equipmenies by base station, therefore, be sent in base station The timing carried in the RRC connection release message of user equipment can serve to indicate that user equipment in timing time-out The preceding context to user equipment is kept, and the holding including C-RNTI, DRB configuration to user equipment etc. and indicates to use After timing time-out, and in the case where user equipment does not initiate reconnect, release or deletion save family equipment User equipment context.

Specifically, after the context for the user equipment that base station release or deletion pre-save, which can be incited somebody to action The C-RNTI for being originally assigned to the user equipment distributes to other user equipmenies.

Further, the present embodiment method can also include:

S204, base station send the first context release request to MME after timing time-out, which releases Put the context of the user equipment of the request for requesting MME release to pre-save.

Specifically, after the context that the MME releases the user equipment pre-saved, if the MME receives lower line number According to meeting actively page the user equipment, to establish connection and carry out data transmission.

Preferably, if user equipment leaves the coverage area of the base station before timing time-out, user equipment is actively Timing is set to time-out, and discharges or delete the context of the user equipment, and the base station can be always until the timing Between after time-out, then the context of the user equipment is discharged or is deleted.

The method provided in this embodiment for establishing connection, by being carried in radio resource control RRC connection release message Timing, to indicate that user equipment and base station keep the context of user equipment before timing time-out, so that Base station searches foundation of the context of the user equipment to be quickly connected according to the C-RNTI of the user equipment, reduces The Signalling exchange of user equipment and network side, the signaling overheads that is generated when to reducing terminal transmission data packet, the company of realizing The quick foundation connect.

Fig. 3 is the flow chart for the embodiment of the method three that the present invention establishes connection.The application scenarios of the present embodiment are as follows: base station with After the Connection Release of user equipment, base station can save the context of the user equipment, if there is downlink data arrival at this time, due to MME does not know that the RRC connection of the user equipment has discharged, downlink data directly can be sent to base station, and user equipment at this time It is in idle condition, downlink data can not be received.The method that connection provided in this embodiment is established can solve user equipment such as The problem of where idle state receives downlink data.As shown in figure 3, the method provided in this embodiment for establishing connection can wrap It includes:

S301, base station send RRC connection release message to user equipment.

S302, base station receive the downlink data that core net is sent.

S303, base station calling user equipment.

If S304, the base station calling user equipment fail, which sends transmission failed message to MME, so that should MME calling user device.

The method provided in this embodiment for establishing connection passes through base after the downlink data that base station receives that core net is sent The dynamic paging initiated to user equipment of station owner, judges whether user equipment leaves the region that the base station is covered, if base station calling User equipment failure, it may be considered that the user equipment leaves the region that the base station is covered, then sets user by core net MME Standby to be paged, the signaling overheads generated when to reducing terminal transmission small data packets realizes the quick foundation of connection.

Fig. 4 is the signaling process figure that the present invention establishes a sequence of embodiment of the method four.As shown in figure 4, the present embodiment provides The method for establishing connection may include:

S401, MME send context release command to base station.

The first quick connection identifier can be carried in context release command, be used to indicate base station and saved user equipment Context, optionally, which is also possible to context preservation mark, context continues mark etc., this reality It applies example and is limited not to this.Preferably, the radio resource that user equipment can also be carried in the context release command is matched Confidence breath, used wireless resource configuration when for providing the subsequent access of the user equipment to base station.

S402, base station send RRC connection release message to user equipment.

Specifically, the first quick connection identifier can be carried by establishing in request message in RRC connection, to indicate user equipment The context of user equipment is stored, carries the wireless of user equipment in request message alternatively it is also possible to establish in the RRC connection Resource allocation information, for alloing user equipment in subsequent access directly using the radio-resource-configuration, without passing through RRC reallocation message re-starts configuration, can save signaling overheads.

S403, base station send customer equipment context Release complete to MME.

Alternatively it is also possible to carry quick connection identifier in the context Release complete, that is, the quick connection mark Know to carry in S401 and S402 simultaneously, can also only a step carries wherein, the present embodiment limited not to this.

Above-mentioned S402~S403 not stringent timing limitation.

S404, user equipment send RRC connection to base station and establish request.

Specifically, the S-TMSI of user equipment can be carried by establishing in message in the RRC connection.

Further, if user equipment needs active transmission upstream data, directly execution S404；If there is downlink data to arrive It reaches, then MME will send paging message to base station, and carry the S- of user equipment in the paging message before S404 TMSI, base station interface paging user equipment in the sky, executes S404 after user equipment receives paging message.

S405, base station send RRC connection to user equipment and establish message.

In this step, base station is according to the S-TMSI received, each user equipment pre-saved context and its The context that user equipment corresponding with the S-TMSI of the user equipment is searched in corresponding S-TMSI, if having found and the S- The context of the corresponding user equipment of TMSI carries second and quickly connects then when establishing message to user equipment transmission RRC connection Mark is connect, which carries out for notifying user equipment using the context of the user equipment pre-saved fast Speed connection.

S406, base station receive the RRC connection setup complete message that user equipment is sent.

Optionally, user equipment to base station send RRC connection setup complete message before, user equipment can according to The wireless resource configuration of family equipment determines whether the radio resource of user equipment meets the data after RRC connection is established and pass It is defeated, if satisfied, then the user equipment is carrying quickly connection instruction letter into the RRC connection setup complete message that base station is sent Breath, indicates the wireless resource configuration that storage can be used between the user equipment and base station, such as radio-resource-configuration, safety The information such as configuration, without carrying out radio link reconfiguration.

In the present embodiment, the quick establishment of connection in S401~S403 is triggered by MME, it is to be understood that In another embodiment, the quick establishment of connection in S401~S403 can also be by base station triggers, that is, from base station to user Equipment sends context release command, and the first quick connection identifier of carrying and/or user set in the context release command Standby wireless resource configuration.

Fig. 5 is the signaling process figure for the embodiment of the method five that the present invention establishes connection.In the present embodiment, specific application Scene are as follows: user equipment is quickly connect with first base station foundation, and is moved to the institute of the second base station in an idle state In the cell range of covering.As shown in figure 5, the method for the present embodiment may include:

S501, MME send context release command to first base station.

The first quick connection identifier can be carried in context release command, be used to indicate base station and saved user equipment Context, optionally, which is also possible to context preservation mark, context continues mark etc., this reality It applies example and is limited not to this.Preferably, the radio resource that user equipment can also be carried in the context release command is matched Confidence breath, used wireless resource configuration when for providing the subsequent access of the user equipment to base station.

S502, first base station send RRC connection release message to user equipment.

Specifically, the first quick connection identifier can be carried by establishing in request message in RRC connection, to indicate user equipment The context of user equipment is stored, carries the wireless of user equipment in request message alternatively it is also possible to establish in the RRC connection Resource allocation information, for alloing user equipment in subsequent access directly using the radio-resource-configuration, without passing through RRC reallocation message re-starts configuration, can save signaling overheads.

S503, first base station send customer equipment context Release complete to MME.

Alternatively it is also possible to carry quick connection identifier in the context Release complete, that is, the quick connection mark Know to carry in S501 and S502 simultaneously, can also only a step carries wherein, the present embodiment limited not to this.

Above-mentioned S502~S503 not stringent timing limitation.

S504, MME send the second context release request to first base station.

Specifically, which is used to indicate the upper of the user equipment that first base station release pre-saves Hereafter, which is that MME is receiving disappearing for user equipment the second base station of access of the second base station transmission It is sent after breath to first base station.In this step, MME can check the user equipment for having accessed the second base station by S-TMSI Context whether also be stored on other base stations, such as first base station, if so, MME sends this on second to first base station Hereafter release request, to inform that first base station discharges the context of the user equipment.

S505, first base station send the second context Release complete to MME.

In the present embodiment, the side of embodiment one can be used to the process that the second base station initiates the connection foundation for user equipment Method, also, after user equipment and the second base station are successfully established connection, since first base station saves always the upper of the user equipment Resource can be hereafter occupied, thus MME can inform that first base station discharges the context of the user equipment.

Fig. 6 is the flow chart for the embodiment of the method six that the present invention establishes connection.As shown in fig. 6, provided in this embodiment build The executing subject of the method for vertical connection is user equipment.The method provided in this embodiment for establishing connection can specifically include:

S601, user equipment receive the radio resource control RRC connection release message that base station is sent, the RRC Connection Release The first quick connection identifier is carried in message, which is used to indicate user equipment and saves the upper of user equipment Hereafter.

Specifically, the wireless resource configuration of user equipment can be carried in the RRC connection release message, so that should When user equipment accesses again, the radio-resource-configuration can be directly used, without passing through RRC reallocation message to radio resource It is configured again, to save signaling overheads.

S602, the user equipment save the context of the user equipment.

Specifically, the configuration in the context that UE itself is stored, such as the configuration of some protocol layer, nothing can be used in UE The configuration etc. of line carrying initiates RRC connection and establishes request.

S603, the user equipment send RRC connection to base station and establish request, which establishes in request and carry the use The S-TMSI of family equipment, so that the base station is using the S-TMSI in the context for each user equipment that the base station pre-saves Search the context of the user equipment.

Specifically, due to the corresponding S-TMSI of a user equipment, base station can be looked by the way that S-TMSI is corresponding Find the context of user equipment pre-saving, sending RRC connection foundation request.

S604, the user equipment receive the RRC connection that base station is sent according to the context of the user equipment and establish message, should RRC connection establishes message and carries the second quick connection identifier.

Specifically, the second quick connection identifier is for notifying the user equipment to use the user equipment pre-saved Context be quickly connected.

S605, the user equipment send RRC connection setup complete message to base station.

It is above-mentioned establish connection during, GTP tunnel between user equipment and base station, between the user equipment and S-GW Road is always maintained at, that is, and it does not discharge S1AP connection, but is transmitted without data yet, thus the user equipment is accessing again In the process, base station is not necessarily to be interacted with MME to establish above-mentioned GTP tunnel again, thus without distributing user equipment again S1AP mark, to reduce the signaling overheads of network side.

It is above-mentioned establish connection during, if base station to user equipment send radio resource control RRC connection release When putting message, the wireless resource configuration of user equipment is carried, then when the user equipment accesses again, can directly be made Quick links are established with original DRB configuration, thus the signaling overheads that the newly-built process for saving radio bearer generates.

The method provided in this embodiment for establishing connection, by carrying the first quickly connection in RRC connection release message Mark, the context of user equipment is stored in advance in instruction user equipment, and establishes in the RRC connection that user equipment is sent to base station The S-TMSI of the user equipment is carried in request, so that base station is using the S-TMSI in the upper of each user equipment pre-saved The context of the user equipment is hereinafter found, if finding the context of the user equipment, is sent to user in base station The RRC connection of equipment carries second when establishing message and quickly identifies, with the foundation being quickly connected, to reduce terminal transmission The signaling overheads generated when data packet realizes the quick foundation of connection.

It on the basis of the above embodiments, can also include: user equipment according to the wireless of user equipment before S605 Resource allocation information determines whether the radio resource of itself meets the data transmission after RRC connection is established, if satisfied, then at this User equipment carries quickly connection instruction message into the RRC connection setup complete message that base station is sent, the quick connection instruction Message is used to indicate the wireless resource configuration that storage can be used between the user equipment and base station, as radio resource is matched It sets, the information such as security configuration, without carrying out radio link reconfiguration；If not satisfied, the RRC that then user equipment is sent to base station Quickly connection instruction message is not carried in connection setup complete message.

The method provided in this embodiment for establishing connection, by carrying quick connection identifier in RRC connection release message, So that the context of user equipment is stored in advance in user equipment, and judge whether the radio resource of its own meets by user equipment Data after RRC connection is established are transmitted, if satisfied, then carrying quickly connection instruction message in RRC connection setup complete message To indicate without rebuilding link between user equipment and base station, so that the user equipment be made to use the user equipment pre-saved Context is quickly connected, the signaling overheads generated when reducing terminal transmission data packet, realizes the quick foundation of connection.

The application scenarios of the present embodiment are as follows: after the Connection Release of base station and user equipment, base station can save the user equipment Context, user equipment to base station send RRC connection re-establish request when, can in the request carry before RRC company The C-RNTI used when connecing state, base station can search the context of the user equipment according to the C-RNTI to carry out RRC connection reconstruction It is vertical, that is, in this scenario, which will not be distributed to the use of other users equipment by base station, occupy Internet resources.This implementation The method for establishing connection that example provides can solve the above problem, to realize the quick foundation of connection.Side provided in this embodiment Method can be with are as follows: timing is carried in the RRC connection release message that base station is sent to user equipment, the method also includes: The user equipment starts timer, and the context of first user equipment is discharged or deleted after the timer expiry.

It should be noted that if user equipment leaves the coverage area of the base station, user equipment before timer expiry Timer is set to time-out, and discharges or delete the context of the user equipment.

Specifically, when user equipment accesses again, base station can search the context of user equipment according to C-RNTI, because And in the process, the C-RNTI of the user equipment is always maintained at, which will not be distributed to other use by base station Family equipment, therefore, the timing carried in the RRC connection release message that base station is sent to user equipment can serve to indicate that User equipment the timing time-out before the context of user equipment is kept, including to user equipment C-RNTI, The holding of DRB configuration etc., and indicate that user equipment after timing time-out, and does not initiate to reconnect in user equipment In the case where, release or the context for deleting the user equipment saved.

The method provided in this embodiment for establishing connection, by being carried in radio resource control RRC connection release message Timing, to indicate that user equipment keeps the context of user equipment before timing time-out, so that base station root Foundation of the context of the user equipment to be quickly connected is searched according to the C-RNTI of the user equipment, reduces user The Signalling exchange of equipment and network side, the signaling overheads generated when to reducing terminal transmission data packet, realizes the fast of connection Run-up is vertical.

Fig. 7 is the structural schematic diagram of base station embodiment one of the present invention.As shown in fig. 7, base station 10 provided in this embodiment can To include: sending module 11, receiving module 12, searching module 13 and memory module 14.

Wherein, sending module 11, for sending RRC connection release message to user equipment, in the RRC connection release message The first quick connection identifier is carried, which is used to indicate the first base station and preserves the user equipment Context.

Specifically, which is used to indicate the context that the user equipment saves the user equipment, should The context of user equipment includes the wireless resource configuration of the user equipment, can be with when accessing the user equipment again Quickly connection directly is established using the radio-resource-configuration, without being matched again by RRC reallocation message to radio resource It sets, signaling overheads can be saved.

Request is established in receiving module 12, the RRC connection for receiving user equipment transmission, which establishes in request Carry the S-TMSI of user equipment.

Memory module 14, the context of each user equipment for preservation；

Searching module 13, for being set using the received S-TMSI of receiving module 12 in each user that memory module 14 stores The context of the user equipment is searched in standby context；

Sending module 11 is also used to, if searching module 13 finds the context of the user equipment, is sent RRC to UE and is connected It connects and establishes message, which establishes message and carry the second quick connection identifier, and the second quick connection identifier is for notifying this User equipment is quickly connected using the context of the user equipment pre-saved.

Specifically, due to the corresponding S-TMSI of a user equipment, base station can be protected by S-TMSI in advance The context for sending the user equipment that request is established in the RRC connection is found in the context for each user equipment deposited.It is preferred that , when there is the context of the user equipment pre-saved, can be established in message in the RRC connection sent to user equipment The second quick connection identifier is carried, which uses the user equipment pre-saved for notifying user equipment Context be quickly connected；When the context of the user equipment pre-saved if it does not exist, then RRC connection is sent to UE and built The second quick connection identifier is not carried when vertical message, UE and base station can be used the prior art and establish connection.

Above-mentioned receiving module 12 is used to receive the RRC connection setup complete message of user equipment transmission.

It is above-mentioned establish connection during, GTP tunnel between user equipment and base station, between the user equipment and S-GW Road is always maintained at, that is, and it does not discharge S1AP connection, but is transmitted without data yet, thus the user equipment is accessing again In the process, base station is not necessarily to be interacted with MME to establish above-mentioned GTP tunnel again, thus without distributing user equipment again S1AP mark, to reduce the signaling overheads of network side.

Further, if sending module 11 is when sending radio resource control RRC connection release message to user equipment, Carry the wireless resource configuration of user equipment, then it, can be directly using original when the user equipment accesses again DRB configuration, thus the signaling overheads that the newly-built process for saving radio bearer generates.

The base station of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1, realization principle and skill Art effect is similar, and details are not described herein again.

On the basis of the above embodiments, in base station 10 provided in this embodiment, the receiving module 12 is also used to receive The first quick connection request message that MME is sent.Optionally, the first quickly connection is carried in the first quick connection request message The S-TMSI of mark and user equipment, the first quick connection request message can be customer equipment context release message, It can be newly-increased S1AP message, specifically, which can be defined as the quick connection request of UE, UE quickly connects life Enable, UE quickly connect complete message, can also be defined as UE context keep request, UE context keep order, UE context Message is completed, the present embodiment is limited not to this.

Sending module 11 is used for after the first quick connection request message that base station 10 receives that MME is sent, and is sent to MME First quick connection response message.Optionally, the first quick connection identifier can be carried in the first quick connection response message, To indicate that base station 10 saves the context of user equipment.

Alternatively, on the basis of the above embodiments, in base station 10 provided in this embodiment, the sending module 11 be used for MME sends the second quick connection request message, optionally, in the second quick connection request message carries first and quickly connects mark Know, which can be customer equipment context release message, is also possible to newly-increased S1AP message, Specifically, which can quickly connect for the quick connection request of UE, the quick bind command of UE, UE and complete message, can also Think that UE context keeps request, UE context that order, UE context is kept to complete message, the present embodiment is limited not to this System.

Receiving module 12 is used to receive the second quick connection response message of MME transmission, optionally, the second quickly connection The S-TMSI of user equipment can be carried in response message.

Further, in the first quick connection request message that above-mentioned sending module 11 is sent or receiving module 12 receives The second quick connection response message in can also carry the wireless resource configuration of user equipment, the user equipment it is wireless Resource allocation information can be used for user equipment and be communicated with base station；

Further, the wireless of user equipment can also be carried in the RRC connection release message that sending module 11 is sent Resource allocation information.

The base station of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology Effect is similar, and details are not described herein again.

Further, in base station embodiment two of the present invention, when can also carry timing in RRC connection release message Between, it is used to indicate the user that user equipment discharges after the corresponding timer expiry of timing or delete user equipment preservation The context of equipment.

Base station provided in this embodiment can also include timing module and context release module,

Timing module, for starting the timing when the sending module sends the RRC connection release message Corresponding timer；

Context release module, for the memory module to be discharged or deleted after the timer expiry of the timing module The context of first user equipment saved.

Above-mentioned sending module 11 is also used to send the first context release request to MME after timing module time-out, this The context for the user equipment that one context release request is used to that MME release to be requested to pre-save.

Further, receiving module 12 can be also used for, before sending RRC connection release message to user equipment, if The user equipment is switched to the base station from the second base station, in handoff procedure, receives what second base station was sent Handover request message, wherein the handover request message includes the S-TMSI；Alternatively, switching Cheng Zhong receives the S-TMSI that the MME is sent.

Further, receiving module 12 specifically can be used for receiving the S-TMSI that the MME is sent as follows:

Receive the handover request message that the MME is sent, wherein the handover request message package Containing the S-TMSI, the S-TMSI, which is the MME, requires (handover by the received switching from second base station Require it) is obtained in message.

The base station of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 2, realization principle and skill Art effect is similar, and details are not described herein again.

Base station provided in this embodiment can also include paging module.

Above-mentioned sending module 11 is also used to, and sends the RRC connection release message to second user equipment；

Above-mentioned receiving module 12 is used to receive the downlink data of core net transmission；It pages module and is used for calling user device； If above-mentioned sending module 11 sends transmission failed message for paging the failure of module pages user equipment, to MME, so that MME Page the user equipment.

The base station of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 3, realization principle and skill Art effect is similar, and details are not described herein again.

On the basis of the above embodiments, in base station provided in this embodiment, above-mentioned receiving module 12 is for receiving MME hair The second context release request sent, second context release request are used to indicate base station and discharge the user equipment pre-saved Context.

The base station of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology Effect is similar, and details are not described herein again.

Fig. 8 is the structural schematic diagram of user equipment embodiment one of the present invention.As shown in figure 8, user provided in this embodiment Equipment 20 may include: receiving module 21, memory module 22 and sending module 23.

Wherein, receiving module 21 is used to receive the RRC connection release message of base station transmission, in the RRC connection release message The first quick connection identifier is carried, which is used to indicate the context that user equipment saves user equipment； Memory module 22 is used to save the context of user equipment；Sending module 23, which is used to send RRC connection to base station, establishes request, should The S-TMSI for carrying user equipment is established in request in RRC connection, so that base station is pre-saved respectively using S-TMSI in the base station The context of the user equipment is searched in the context of a user equipment.

Above-mentioned receiving module 21 is also used to receive base station and establishes message according to the transmission RRC connection of the context of user equipment, The RRC connection establishes message and carries the second quick connection identifier.

Above-mentioned sending module 23 is also used to send RRC connection setup complete message to base station.

Further, user equipment can also be carried in the received above-mentioned RRC connection release message of above-mentioned receiving module 21 Wireless resource configuration, for being quickly connected.

The user equipment of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 6, realization principle And technical effect is similar, details are not described herein again.

On the basis of the above embodiments, user equipment 20 provided in this embodiment can also include determining module 24, use It is transmitted in the data for determining whether the radio resource of itself meets after RRC connection foundation according to wireless resource configuration；If The determining module 24 determines that the radio resource meets the data transmission after the RRC connection is established, then above-mentioned transmission Quickly connection instruction information is carried in the RRC connection setup complete message that module 23 is sent to base station, the quick connection instruction letter Breath is used to indicate the wireless resource configuration that storage can be used between user equipment and base station, such as radio-resource-configuration, peace The information such as full configuration, without carrying out radio link reconfiguration.

The user equipment of the present embodiment, can be used for executing the technical solution of above method embodiment, realization principle and Technical effect is similar, and details are not described herein again.

User equipment provided in this embodiment can also carry in the received RRC connection release message of receiving module 21 Timing；

The user equipment further include:

Timing module, for starting the timer for corresponding to the timing；

Release module, for save described first to be discharged or deleted after the timer expiry of the timing module The context of user equipment.

The user equipment of the present embodiment, can be used for executing the technical solution of above method embodiment, realization principle and Technical effect is similar, and details are not described herein again.

Fig. 9 is the structural schematic diagram of base station embodiment two of the present invention.As shown in figure 9, base station 30 provided in this embodiment can To include: transmitter 31, receiver 32, processor 33 and memory 34.

Wherein, transmitter 31 can be used for sending RRC connection release message to user equipment, in RRC connection release message The first quick connection identifier is carried, the first quick connection identifier is used to indicate base station described in the user equipment and preserves the use The context of family equipment；

Request is established in the RRC connection that receiver 32 can be used for receiving user equipment transmission, and RRC connection is established in request and taken S-TMSI with user equipment；

The context for each user equipment that memory 34 can be used to save；

Processor 33 can be used for each user equipment saved using the received S-TMSI of receiver 32 in memory 34 Context in search user equipment context；

If above-mentioned transmitter 31 is also used to the context that processor 33 finds the user equipment, RRC is sent to UE Connection carries the second quick connection identifier when establishing message, the second quick connection identifier is protected for notifying user equipment using preparatory The context for the user equipment deposited is quickly connected；

Above-mentioned receiver 32 is used to receive the RRC connection setup complete message of user equipment transmission.

Above-mentioned receiver 32 is also used to receive the first quick connection request message of MME transmission, the first quick connection request The S-TMSI of the first quick connection identifier and user equipment is carried in message；Above-mentioned transmitter 31 be also used to send to MME the One quick connection response message；Alternatively,

Above-mentioned transmitter 31 is also used to send the second quick connection request message, the second quick connection request message to MME The first quick connection identifier of middle carrying；Above-mentioned receiver 32 is also used to the second quick connection response that base station reception MME is sent and disappears It ceases, the S-TMSI of user equipment is carried in the second quick connection response message.

Preferably, above-mentioned transmitter 31 send the first quick connection request message in or receiver 32 it is received The wireless resource configuration of user equipment, the wireless money of the user equipment can also be carried in second quick connection response message Source configuration information can be used for user equipment and be communicated with base station.

Preferably, the wireless of user equipment can also be carried in the above-mentioned RRC connection release message that transmitter 31 is sent Resource allocation information, the wireless resource configuration are communicated for first user equipment with the first base station.

The base station of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1, realization principle and skill Art effect is similar, and details are not described herein again.

Base station provided in this embodiment can also carry timing in above-mentioned RRC connection release message, be used to indicate User equipment discharges after the corresponding timer expiry of timing or deletes the context of the user equipment of user equipment preservation.

Above-mentioned processor 33 is used for when transmitter 31 sends RRC connection release message, and starting timing is corresponding fixed When device；The context of the first user equipment pre-saved is discharged or deleted after timing time-out.

Above-mentioned transmitter 31 can be also used for after timer expiry to MME send the first context release request, first The context for the user equipment that context release request is used to that MME release to be requested to pre-save.

The base station of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 2, realization principle and skill Art effect is similar, and details are not described herein again.

Further, the base station is first base station；

The receiver 32 is also used to, before sending the RRC connection release message to user equipment, if the user Equipment is switched to the first base station from the second base station, in handoff procedure, receives the handover that second base station is sent Request message, wherein the handover request message includes the S-TMSI；Alternatively, being received in handoff procedure The S-TMSI that the MME is sent.

Wherein, the receiver 32 is specifically used for that the S-TMSI that the MME is sent can be received as follows:

Receive the handover request message that the MME is sent, wherein the handover request message package Containing the S-TMSI, the S-TMSI is the MME by requiring handover from received switch in second base station It is obtained in require message.

Certainly, which is also possible in the context of the user equipment stored in memory 34.

In base station provided in this embodiment, above-mentioned receiver 32 can be also used for receiving the downlink data that core net is sent； Above-mentioned transmitter 31 can be also used for calling user device；If transmitter 31 can be used for calling user device failure, to MME Transmission failed message is sent, so that MME pages the user equipment.

The base station of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 3, realization principle and skill Art effect is similar, and details are not described herein again.

In base station provided in this embodiment, above-mentioned receiver 32 can be used for receiving the second context release of MME transmission Request, the second context release request are used to indicate the context for the user equipment that base station release pre-saves.

The base station of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology Effect is similar, and details are not described herein again.

Figure 10 is the structural schematic diagram of user equipment embodiment two of the present invention.As shown in Figure 10, use provided in this embodiment Family equipment 40 may include: receiver 41, memory 42, transmitter 43 and processor 44.

Wherein, receiver 41 can be used for receiving the RRC connection release message of base station transmission, in RRC connection release message The first quick connection identifier is carried, which is used to indicate the context for saving user equipment；

Memory 42 can be used to save the context of user equipment.

Processor 44 can be used for quick according to first carried in the received RRC connection release message of receiver 41 Connection identifier, instruction memory 42 save the context of the user equipment；

Transmitter 43 can be used for sending RRC connection to base station and establish request, carries user in RRC connection foundation request and sets Standby S-TMSI, so that the user is searched in the context for each user equipment that base station pre-saves using S-TMSI in base station The context of equipment；Transmitter can be also used for sending RRC connection setup complete message to base station；

Above-mentioned receiver 41 is also used to receive base station and establishes message according to the transmission RRC connection of the context of user equipment, should RRC connection establishes message and carries the second quick connection identifier；

Above-mentioned transmitter 43 is also used to send RRC connection setup complete message to base station.

Further, user equipment can also be carried in the received above-mentioned RRC connection release message of the receiver 41 Wireless resource configuration, the wireless resource configuration carries out for first user equipment and the first base station Communication.

The user equipment of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 6, realization principle And technical effect is similar, details are not described herein again.

On the basis of the above embodiments, in user equipment 40 provided in this embodiment, processor 44 can be also used for root Determine whether radio resource meets the data transmission after RRC connection is established according to wireless resource configuration；If the processor 44 Determine that the radio resource meets the data transmission after the RRC connection is established, then above-mentioned transmitter 43 is sent to base station RRC connection setup complete message in carry quickly connection instruction information, quickly connection instruction information be used to indicate user equipment The wireless resource configuration of storage, such as radio-resource-configuration, security configuration information, nothing can be used between base station It need to carry out radio link reconfiguration.

The user equipment of the present embodiment, can be used for executing the technical solution of above method embodiment, realization principle and Technical effect is similar, and details are not described herein again.

User equipment provided in this embodiment can carry in the received RRC connection release message of above-mentioned receiver 41 Timing；

Processor 44 be also used to start correspond to the timing timer, after the timer expiry release or Delete the context for the user equipment that memory 42 saves.

The user equipment of the present embodiment, can be used for executing the technical solution of above method embodiment, realization principle and Technical effect is similar, and details are not described herein again.

Figure 11 is the structural schematic diagram of base station embodiment of the present invention.The base station 50 is first base station, comprising:

Transmitter 51, for sending radio resource control RRC connection release message to user equipment, the RRC connection is released The first quick connection identifier of carrying, the first quick connection identifier in message is put to be used to indicate first described in the user equipment Preserve the context of the user equipment in base station；

Memory 52, for storing the context of the user equipment；

Receiver 53, for receiving the second context release request of mobility management entity MME transmission, on described second Hereafter release request is used to indicate the context that the base station discharges the user equipment, wherein the second context release Request is MME Xiang Suoshu after the message that the user equipment for receiving the transmission of the second base station accesses second base station What first base station was sent；

Processor 54, for being deposited described in release after the receiver 53 receives second context release request The context for the user equipment that reservoir 52 stores.

The base station of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology Effect is similar, and details are not described herein again.

Figure 12 is the structural schematic diagram of base station embodiment of the present invention.The base station 60 includes:

Transmitter 61, for sending radio resource control RRC connection release message to user equipment, the RRC connection is released It puts and carries quick connection identifier in message, the quick connection identifier is used to indicate base station described in the user equipment and saves State the context of user equipment；

Receiver 62, for receiving the downlink data of core net transmission；

Processor 63 is paged for after the receiver 62 receives the downlink data, controlling the transmitter 61 The user equipment controls the transmitter 61 and unsuccessfully disappears to MME transmission transmission if paging the user equipment failure Breath, so that the MME pages the user equipment.

The base station of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology Effect is similar, and details are not described herein again.

Figure 13 is the structural schematic diagram of base station embodiment of the present invention.The base station 70 includes:

Transmitter 71, for sending radio resource control RRC connection release message to user equipment；

Memory 72, for storing the context of user equipment；

Processor 73 is released for controlling the transmitter 71 to user equipment transmission radio resource control RRC connection Message is put, and starts timer, wherein the timing of the timer is carried in the RRC connection release message, it is described to be somebody's turn to do RRC connection release message is used to indicate the user equipment and discharges or delete the user equipment after the timing time-out Context；The context for the user equipment that the memory 72 stores is discharged or deleted after the timer expiry.

In the first possible implementation of the 15th aspect,

The processor 73 is also used to, and controls the transmitter 71 to the mobility pipe after the timing time-out It manages entity MME and sends context release request, the context release request is for requesting the MME to discharge the user equipment Context.

Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light The various media that can store program code such as disk.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (26)

1. a kind of method for establishing connection characterized by comprising

First base station sends radio resource control RRC connection release message, the RRC connection release message to the first user equipment The first quick connection identifier of middle carrying, the first quick connection identifier are used to indicate the first base described in first user equipment Preserve the context of first user equipment in station；

The first base station receives the RRC connection that first user equipment is sent and establishes request, and request is established in the RRC connection The middle System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI or MME S1AP UE ID for carrying first user equipment；

The first base station is pre-saved using the S-TMSI or the MME S1AP UE ID in the first base station each The context of first user equipment is searched in the context of a user equipment, and if it exists, then the first base station is to described First user equipment sends RRC connection and establishes message, wherein and the RRC connection establishes message and carries the second quick connection identifier, The second quick connection identifier is for notifying first user equipment to use first user equipment pre-saved Context is quickly connected；

The first base station receives the RRC connection setup complete message that first user equipment is sent；

The method also includes:

The first base station sends the RRC connection release message to second user equipment；

The first base station receives the downlink data that core net is sent；The second user equipment is carried in the downlink data S-TMSI or MME S1AP UE ID；

The first base station pages the second user equipment；

If the first base station pages the second user equipment failure, the first base station sends transmission to MME and unsuccessfully disappears Breath.

2. connecting the method according to claim 1, wherein the first base station sends RRC to the first user equipment Before connecing release message, further includes:

The first base station receives the first quick connection request message that mobility management entity MME is sent, and described first quickly The S-TMSI of the described first quick connection identifier and first user equipment is carried in connection request message；The first base station The the first quick connection response message sent to the MME；Alternatively,

The first base station sends the second quick connection request message to the MME, in the second quick connection request message Carry the described first quick connection identifier；The first base station receives the second quick connection response message that the MME is sent, institute State the S-TMSI that first user equipment is carried in the second quick connection response message.

3. according to the method described in claim 2, it is characterized in that, in the first quick connection request message or described Also carry in two quick connection response messages: the wireless resource configuration of first user equipment, first user set Standby wireless resource configuration is communicated for first user equipment with the first base station.

4. the method according to claim 1, wherein also being carried in the RRC connection release message: described first The wireless resource configuration of user equipment, the wireless resource configuration are used for the quick connection.

5. method according to claim 1-4, which is characterized in that also carried in the RRC connection release message Timing is used to indicate first user equipment and institute is discharged or deleted after the corresponding timer expiry of the timing State the context of first user equipment of the first user equipment preservation.

6. according to the method described in claim 5, it is characterized in that, the method also includes:

For the first base station when sending the RRC connection release message, starting corresponds to the timer of the timing；

The first base station discharges after the timer expiry or deletes the upper and lower of first user equipment pre-saved Text.

7. according to the method described in claim 5, it is characterized in that, the method also includes:

The first base station sends the first context release request to the MME after the timer expiry, on described first The hereafter context of first user equipment of the release request for requesting the MME release to pre-save.

8. the method according to claim 1, wherein the first base station sends wireless money to the first user equipment Source controls before RRC connection release message, further includes:

If first user equipment is switched to the first base station from the second base station,

In handoff procedure, the first base station receives the switching request handover request that second base station is sent and disappears Breath, wherein the handover request message includes the S-TMSI；Or

In handoff procedure, the first base station receives the S-TMSI that the MME is sent.

9. according to the method described in claim 8, it is characterized in that, the first base station receives the S-TMSI that the MME is sent, Include:

The first base station receives the switching request handover request message that the MME is sent, wherein described Handover request message includes the S-TMSI, and the S-TMSI is the MME by receiving from second base station Switching require to obtain in handover require message.

10. a kind of method for establishing connection characterized by comprising

User equipment receives the radio resource control RRC connection release message that base station is sent, and takes in the RRC connection release message The quick connection identifier of band first, the first quick connection identifier are used to indicate the user equipment and save the user equipment Context；

The user equipment saves the context of the user equipment；

The user equipment sends RRC connection to the base station and establishes request, and the RRC connection establishes in request and carries the use The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI or MME S1AP UE ID of family equipment, the RRC connection foundation are asked Ask be used to indicate the base station pre-saved using the S-TMSI or the MME S1AP UE ID in the base station it is each The context of the user equipment is searched in the context of user equipment；

The user equipment receives the RRC connection that the base station is sent according to the context of the user equipment and establishes message, In, the RRC connection establishes message and carries the second quick connection identifier, and the second quick connection identifier is for notifying the use Family equipment is quickly connected using the context of the user equipment pre-saved；

The user equipment sends RRC connection setup complete message to the base station.

11. according to the method described in claim 10, it is characterized in that, also being carried in the RRC connection release message: the use The wireless resource configuration of family equipment, the wireless resource configuration are led to for the user equipment with the base station Letter.

12. according to the method for claim 11, which is characterized in that the user equipment sends RRC connection to the base station It establishes before completing message, further includes:

The user equipment determines the radio resource of the user equipment according to the wireless resource configuration of the user equipment Whether data transmission RRC connection establish after is met；

If satisfied, then the user equipment carries into the RRC connection setup complete message that the base station is sent and quickly connects Instruction information is connect, the quick connection instruction information, which is used to indicate between the user equipment and the base station, can be used storage The wireless resource configuration, without carrying out radio link reconfiguration.

13. the described in any item methods of 0-12 according to claim 1, which is characterized in that also taken in the RRC connection release message Band timing；

The method also includes: the user equipment starts timer, and the use is discharged or deleted after the timer expiry The context of family equipment.

14. a kind of base station characterized by comprising

Sending module, for sending radio resource control RRC connection release message to the first user equipment, the RRC connection is released It puts the first quick connection identifier of carrying, the first quick connection identifier in message and is used to indicate first user equipment first Preserve the context of first user equipment in base station；

Receiving module establishes request for receiving the RRC connection that first user equipment is sent, and the RRC connection foundation is asked Seek the middle System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI or MME S1AP UE ID for carrying first user equipment；

Memory module, the context of each user equipment for preservation；

Searching module, for being deposited using the receiving module received S-TMSI or the MME S1AP UE ID described The context of first user equipment is searched in the context of each user equipment of storage module storage；

The sending module is also used to, if the searching module finds the context of first user equipment, Xiang Suoshu First user equipment sends RRC connection and establishes message, wherein and the RRC connection establishes message and carries the second quick connection identifier, The second quick connection identifier be used to that first user equipment to be notified to pre-save using first user equipment the The context of one user equipment is quickly connected；

The receiving module, the RRC connection setup complete message sent for receiving first user equipment；

The sending module is also used to, and sends the RRC connection release message to second user equipment；

The receiving module is also used to receive the downlink data of core net transmission；Described second is carried in the downlink data to use S-TMSI the or MME S1AP UE ID of family equipment；

The base station further include: paging module, for paging second user equipment；

The sending module sends to MME and transmits if being also used to the failure of second user equipment described in the paging module pages Failed message.

15. base station according to claim 14, which is characterized in that

The first quick connection request message that the receiving module is sent for receiving mobility management entity MME, described first The S-TMSI of the described first quick connection identifier and first user equipment is carried in quick connection request message；The transmission Module is used to send the first quick connection response message to the MME；Alternatively,

The sending module is used to send the second quick connection request message to the MME, and the second quick connection request disappears The described first quick connection identifier is carried in breath；The receiving module, which is used to receive the MME is sent second and quickly connects, to be rung Message is answered, the S-TMSI of first user equipment is carried in the second quick connection response message.

16. base station according to claim 15, which is characterized in that the described first quickly connection that the sending module is sent It is also carried in request message or in the received second quick connection response message of the receiving module: first user The wireless resource configuration of the wireless resource configuration of equipment, first user equipment is used for first user equipment It is communicated with the first base station.

17. base station according to claim 15, which is characterized in that the RRC Connection Release that the sending module is sent Also carry in message: the wireless resource configuration of first user equipment, the wireless resource configuration are used for First user equipment is communicated with the first base station.

18. the described in any item base stations 4-17 according to claim 1, which is characterized in that also taken in the RRC connection release message Band timing, is used to indicate first user equipment and discharges or delete after the corresponding timer expiry of the timing The context for first user equipment that first user equipment saves.

19. base station according to claim 18, which is characterized in that further include:

Timing module, for it is corresponding to start the timing when the sending module sends the RRC connection release message Timer；

Context release module is saved for the memory module to be discharged or deleted after the timer expiry of the timing module First user equipment context.

20. base station according to claim 18, which is characterized in that

The sending module is also used to after the timer expiry send the first context release request to the MME, described The context for first user equipment that first context release request is used to that the MME release to be requested to pre-save.

21. base station according to claim 14, which is characterized in that the base station is first base station；

The receiving module is also used to, before sending the RRC connection release message to the first user equipment, if described first User equipment is switched to the first base station from the second base station, in handoff procedure, receives the switching that second base station is sent Request handover request message, wherein the handover request message includes the S-TMSI；Alternatively, In handoff procedure, the S-TMSI that the MME is sent is received.

22. base station according to claim 21, which is characterized in that the receiving module is specifically used for receiving as follows The S-TMSI that the MME is sent:

Receive the switching request handover request message that the MME is sent, wherein the handover request disappears Breath includes the S-TMSI, and the S-TMSI is the MME by requiring handover from received switch in second base station It is obtained in require message.

23. a kind of user equipment characterized by comprising

Receiving module, for receiving the radio resource control RRC connection release message of base station transmission, the RRC Connection Release disappears The first quick connection identifier is carried in breath, the first quick connection identifier is used to indicate the user equipment and saves the user The context of equipment；

Memory module, for saving the user equipment according to the received first quick connection identifier of the receiving module Context；

Sending module, for establishing request to base station transmission RRC connection, the RRC connection is established in request described in carrying The System Architecture Evolution Temporary Mobile Subscriber Identity S-TMSI or MME S1AP UE ID of user equipment, the RRC connection are established Request be used to indicate the base station pre-saved using the S-TMSI or the MME S1AP UE ID in the base station it is each The context of the user equipment is searched in the context of a user equipment；

The receiving module is also used to receive the base station and is established according to the RRC connection that the context of the user equipment is sent Message, the RRC connection establish message and carry the second quick connection identifier；

The sending module is also used to send RRC connection setup complete message to the base station.

24. user equipment according to claim 23, which is characterized in that the received RRC connection of receiving module Also carry in release message: the wireless resource configuration of the user equipment, the wireless resource configuration is for described User equipment is communicated with the base station.

25. user equipment according to claim 24, which is characterized in that further include:

Determining module, after determining whether radio resource meets RRC connection foundation according to the wireless resource configuration Data transmission；

If the determining module determines that the radio resource meets the data transmission after the RRC connection is established, described Sending module carries quickly connection instruction information into the RRC connection setup complete message that the base station is sent, described fast Speed connection instruction information, which is used to indicate, can be used the radio resource of storage and matches between the user equipment and the base station Confidence breath, without carrying out radio link reconfiguration.

26. according to the described in any item user equipmenies of claim 23-25, which is characterized in that the received institute of receiving module It states and also carries timing in RRC connection release message；

The user equipment further include:

Starting module, for starting the timer for corresponding to the timing；

Release module, for the user equipment saved to be discharged or deleted after the timer expiry of the timing module Context.