CN108738139A

CN108738139A - downlink data transmission method and device

Info

Publication number: CN108738139A
Application number: CN201710254391.3A
Authority: CN
Inventors: 杨阳; 晋英豪; 谭巍
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-04-18
Filing date: 2017-04-18
Publication date: 2018-11-02
Anticipated expiration: 2037-04-18
Also published as: CN108738139B

Abstract

In downlink data transmission method and device provided by the present application, this method includes：Access base station receives the Connecting quantity of downlink data and terminal that anchor base station is sent, wherein, the access base station is the base station that the terminal is currently accessed, the anchor base station is stored with the Connecting quantity of the terminal, include the mark of the terminal in the Connecting quantity of the terminal, the terminal is in radio resource control RRC deactivation status；Access base station sends the downlink data according to the mark of the terminal to the terminal.The data downstream transmission under RRC_INACTIVE states is realized, to help to subtract the transmission delay of downlink data, in addition can not also be related to RRC signaling flow, reduce the complexity that the SOT state of termination is safeguarded, or reduce switching flow, save handover overhead.

Description

Downlink data transmission method and device

Technical field

This application involves wireless communication technique more particularly to a kind of downlink data transmission methods and device.

Background technology

In traditional long term evolution (Long Term Evolution, LTE) system, only available free (IDLE) state and company Connect (connected) state.All data transmissions are required to be switched to connected states from IDLE state, then carry out again Service interaction between terminal and network side.

In order to reduce energy consumption, reduce service delay, introduce wireless heterogeneous networks (Radio Resource Control, RRC (English can be with INACTIVE) state) is deactivated.Currently, under RRC_INACTIVE states, only to uplink small data packet Transmission is discussed, and is not had clear improvement in terms of signaling overheads, energy consumption and service delay.

Thus need a kind of method carrying out data downstream transmission under RRC_INACTIVE states.

Invention content

A kind of downlink data transmission method of the application offer and device provide one kind and are carried out under RRC_INACTIVE states The method of data downstream transmission.

The application first aspect provides a kind of downlink data transmission method, including：

Access base station receives the Connecting quantity of downlink data and terminal that anchor base station is sent, wherein the access base station For the base station that the terminal is currently accessed, the anchor base station is stored with the Connecting quantity of the terminal, the connection of the terminal Include the mark of the terminal in parameter, the terminal is in radio resource control RRC deactivation status；

The access base station sends the downlink data according to the mark of the terminal to the terminal.

Optionally, the access base station receives the connection of downlink data and the terminal that the anchor base station is sent Parameter, including：

The access base station receive the anchor base station to all base stations are sent out in addition to the anchor base station in a network The Connecting quantity of the downlink data and the terminal that send.

Optionally, after the access base station receives the downlink data of anchor base station transmission and the Connecting quantity of terminal, also Including：

The access base station sends paging message, and the paging message includes：The mark of the terminal.

Optionally, the paging message further includes：Indicate that information, the instruction information are used to indicate the terminal current Default time slot after time slot receives the downlink data.

Optionally, after the access base station sends paging message, further include：

The access base station receives mark of the terminal using the terminal for exempting from authorization resources transmission；Correspondingly,

The access base station sends the downlink data according to the mark of the terminal to the terminal, including：

The access base station sends the downlink data and uplink authorization according to the mark of the terminal to the terminal Resource allocation information.

Optionally, the paging message further includes：Targeting sequencing；

After the access base station sends paging message, further include：

The access base station receives the targeting sequencing that the terminal is sent；

Correspondingly,

The access base station determines the mark of the terminal according to the targeting sequencing, and to the terminal send it is described under Row data.

Optionally, the method further includes：

The access base station sends uplink authorization resource allocation information according to the mark of the terminal to the terminal；

The access base station receives the feedback information that the terminal is sent according to the uplink authorization resource allocation information, institute Feedback information is stated to be used to indicate whether to be properly received the downlink data.

Optionally, before the access base station sends the downlink data according to the mark of the terminal to the terminal, Further include：

The access base station sends downlink reception instruction to the terminal, and the downlink reception instruction is used to indicate the end End deactivates connection status in the RRC and receives downlink data.

The application second aspect provides a kind of downlink data transmission method, including：

Access base station receives the upstream data packet that terminal is sent, and the upstream data packet includes the Connecting quantity of the terminal With the mark of the terminal, wherein the access base station is the base station that the terminal is currently accessed, and the terminal is in wireless money Source controls RRC deactivation status；

The access base station receives the downlink data packet that anchor base station is sent, and the downlink data packet includes：Downlink data With the mark of the terminal；

Optionally, when the downlink data is application layer data, the access base station according to the mark of the terminal to The terminal sends the downlink data, including：

The access base station sends paging message, the paging message packet according to the mark of the terminal to the terminal It includes：The downlink data and uplink authorization resource allocation information.

Optionally, after the access base station sends paging message to the terminal, further include：

Optionally, after the access base station receives the upstream data packet that the terminal is sent, start preset time period Timer.

The access base station judges whether the timer is more than the preset time period；

The access base station is when determining the timer without departing from the preset time period, according to the mark of the terminal The downlink data is sent to the terminal；Alternatively,

The access base station determine the timer exceed the preset time period when, according to the mark of the terminal to The terminal sends instruction information, and default time slot of the instruction information instruction terminal after current time slots receives the downlink Data.

The application third aspect provides a kind of downlink data transmission method, including：

Anchor base station obtains the mark of downlink data and terminal, and the terminal is in radio resource control RRC deactivation State, the anchor base station store the Connecting quantity of the terminal, the mark of the terminal are included in the Connecting quantity of the terminal Know；

The anchor base station sends the Connecting quantity of the downlink data and the terminal to access base station, wherein described Access base station is the base station that the terminal is currently accessed.

Optionally, when the mark of the anchor base station acquisition downlink data and the terminal, the anchor base station is unknown The terminal accesses the access base station；

The anchor base station sends the downlink data and the Connecting quantity to access base station, including：

The anchor base station in a network in addition to the anchor base station all base stations send the downlink data and The Connecting quantity.

The application fourth aspect provides a kind of downlink data transmission method, including：

Terminal enters radio resource control RRC deactivation status；

The terminal receives the downlink data that access base station is sent according to the mark of the terminal, and the access base station is institute State the base station that terminal is currently accessed.

Optionally, it before the terminal receives downlink data of the access base station according to the mark transmission of the terminal, also wraps It includes：

The terminal receives the paging message that the access base station is sent, and the paging message includes：The mark of the terminal Know.

Optionally, after the terminal receives the paging message that the access base station is sent, further include：

The terminal is according to the paging message, using the mark for exempting from authorization resources to the access base station and sending the terminal Know.

Optionally, the terminal receive the access base station according to the terminal mark send the downlink data, And uplink authorization resource allocation information.

Optionally, the paging message further includes：Targeting sequencing；

After the terminal receives the paging message that the access base station is sent, further include：

The terminal sends the targeting sequencing to the access base station.The targeting sequencing can indicate the terminal.

Optionally, the terminal receives the uplink authorization resource point that the access base station is sent according to the mark of the terminal With information；

The terminal sends feedback information, the feedback letter according to the uplink authorization resource allocation information to access base station Breath is used to indicate whether to be properly received the downlink data.

Optionally, the paging message further includes：Indicate that information, the instruction information are used to indicate the terminal current Default time slot after time slot receives the downlink data；

The terminal receives the downlink data that access base station is sent according to the mark of the terminal, including：

The terminal receives the downlink data according to the instruction information in the default time slot.

Optionally, terminal receives the downlink reception instruction that access base station is sent, and the downlink reception instruction is used to indicate institute It states terminal and deactivates connection status reception downlink data in the RRC.

The terminal sends upstream data packet to the access base station, and the upstream data packet includes the connection of the terminal The mark of parameter and the terminal.

The 5th aspect of the application provides a kind of downlink data transmission device, and described device includes for executing above-mentioned first party The module or means (means) for the method that the various realization methods of face and first aspect are provided.

The 6th aspect of the application provides a kind of downlink data transmission device, and described device includes for executing above-mentioned second party The module or means (means) for the method that the various realization methods of face and second aspect are provided.

The 7th aspect of the application provides a kind of downlink data transmission device, and described device includes for executing above-mentioned third party The module or means (means) for the method that the various realization methods of face and the third aspect are provided.

The application eighth aspect provides a kind of downlink data transmission device, and described device includes for executing above-mentioned four directions The module or means (means) for the method that the various realization methods of face and fourth aspect are provided.

The 9th aspect of the application provides a kind of downlink data transmission device, and described device includes transceiver, processor and deposits Reservoir, memory call the program of memory storage, transceiver to receive under the control of a processor for storing program, processor Or information is sent, the method to execute the offer of the application first aspect.

The tenth aspect of the application provides a kind of downlink data transmission device, and described device includes transceiver, processor and deposits Reservoir, memory call the program of memory storage, transceiver to receive under the control of a processor for storing program, processor Or information is sent, the method to execute the offer of the application second aspect.

The tenth one side of the application provides a kind of downlink data transmission device, described device include transceiver, processor and Memory, memory call the program of memory storage, transceiver to connect under the control of a processor for storing program, processor Information is received or sends, the method to execute the offer of the application third aspect.

The aspect of the application the 12nd provides a kind of downlink data transmission device, described device include transceiver, processor and Memory, memory call the program of memory storage, transceiver to connect under the control of a processor for storing program, processor Information is received or sends, the method to execute the offer of the application fourth aspect.

The 13rd aspect of the application provides a kind of downlink data transmission device, includes the side for executing the above first aspect At least one processing element (or chip) of method.

The application fourteenth aspect provides a kind of downlink data transmission device, includes the side for executing the above second aspect At least one processing element (or chip) of method.

The 15th aspect of the application provides a kind of downlink data transmission device, includes the side for executing the above third aspect At least one processing element (or chip) of method.

The 16th aspect of the application provides a kind of downlink data transmission device, includes the side for executing the above fourth aspect At least one processing element (or chip) of method.

The 17th aspect of the application provides a kind of program, and the program is when being executed by processor for executing the above first party The method in face.

The 18th aspect of the application provides a kind of program product, such as computer readable storage medium, including the 17th side The program in face.

The 19th aspect of the application provides a kind of program, and the program is when being executed by processor for executing the above second party The method in face.

The 20th aspect of the application provides a kind of program product, such as computer readable storage medium, including the 19th side The program in face.

The 20th one side of the application provides a kind of program, and the program is when being executed by processor for executing the above third The method of aspect.

The 22nd aspect of the application provides a kind of program product, such as computer readable storage medium, including the 20th The program of one side.

The 23rd aspect of the application provides a kind of program, and the program is when being executed by processor for executing the above 4th The method of aspect.

The application twenty-fourth aspect provides a kind of program product, such as computer readable storage medium, including the 20th The program of three aspects.

The aspect of the application the 25th provides a kind of computer readable storage medium, including instruction, when its on computers When operation so that computer executes downlink data transmission device as described in relation to the first aspect.

The aspect of the application the 26th provides a kind of computer readable storage medium, including instruction, when its on computers When operation so that computer executes the downlink data transmission device as described in second aspect.

The aspect of the application the 27th provides a kind of computer readable storage medium, including instruction, when its on computers When operation so that computer executes the downlink data transmission device as described in the third aspect.

The application twenty-eighth aspect provides a kind of computer readable storage medium, including instruction, when its on computers When operation so that computer executes the downlink data transmission device as described in fourth aspect.

In downlink data transmission method and device provided by the present application, when terminal is in RRC_INACTIVE states, anchor point After base station gets downlink data and the Connecting quantity of terminal, downlink data is sent to access base station, by access base station according to Downlink data is directly sent to terminal by the mark of terminal, realizes the data downstream transmission under RRC_INACTIVE states, from And help to subtract the transmission delay of downlink data, it in addition can not also be related to RRC signaling flow, reduce answering for SOT state of termination maintenance Miscellaneous degree, or switching flow is reduced, save handover overhead.

Description of the drawings

Fig. 1 is a kind of network architecture schematic diagram that citing ground can apply the application；

Fig. 2 is the downlink data transmission method flow diagram that one embodiment of the application provides；

Fig. 3 is the downlink data transmission method flow diagram that another embodiment of the application provides；

Fig. 4 is the downlink data transmission method flow diagram that the application another embodiment provides；

Fig. 5 is the downlink data transmission method flow diagram that the another embodiment of the application provides；

Fig. 6 is the downlink data transmission apparatus structure schematic diagram that one embodiment of the application provides；

Fig. 7 is the downlink data transmission apparatus structure schematic diagram that another embodiment of the application provides；

Fig. 8 is the downlink data transmission apparatus structure schematic diagram that the another embodiment of the application provides；

Fig. 9 is the downlink data transmission apparatus structure schematic diagram that another embodiment of the application provides；

Figure 10 is the downlink data transmission apparatus structure schematic diagram that the application another embodiment provides；

Figure 11 is the downlink data transmission apparatus structure schematic diagram that the another embodiment of the application provides；

Figure 12 is the downlink data transmission apparatus structure schematic diagram that the application another embodiment provides.

Specific implementation mode

Hereinafter, the part term in the application is explained, in order to those skilled in the art understand that：

Base station：May belong to wireless access network (Radio Access Network, RAN) equipment, can be it is a kind of will be whole The equipment for being linked into wireless network is held, can be global system for mobile telecommunications (Global System of Mobile Communication, GSM) or CDMA (Code Division Multiple Access, CDMA) in base station (Base Transceiver Station, BTS), can also be wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) in base station (NodeB, NB), can also be in long term evolution (Long Term Evolution, LTE) Evolved base station (Evolutional Node B, eNB or eNodeB) either relay station or access point or future 5G networks In base station (such as gNB or gNodeB) etc., do not limit herein.

Terminal：Can be wireless terminal can also be catv terminal, wireless terminal can refer to provide a user voice and/ Or the equipment of other business datum connectivity, there is the portable equipment of wireless connecting function or be connected to wireless modulation-demodulation Other processing equipments of device.Wireless terminal can be through wireless access network (Radio Access Network, RAN) and one or more A core net is communicated, and wireless terminal can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and with shifting The computer of dynamic terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile dress It sets, they exchange language and/or data with wireless access network.For example, personal communication service (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session Initiation Protocol, SIP) phone, Wireless local loop (Wireless Local Loop, WLL) stands, personal digital assistant (Personal Digital Assistant, PDA) etc. equipment.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), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device or User Equipment), herein not It is construed as limiting.

Core-network side equipment：Can be third generation partner program (3rd Generation Partnership Project, 3GPP) key control node in LTE, belong to core network element, is mainly responsible for signaling process part, i.e. control plane Function, including access control, mobile management, attachment and attachment removal, conversation management functional and gateway such as select at the functions, but not As limit.

In the application, " multiple " refer to two or more."and/or" describes the incidence relation of affiliated partner, indicates There may be three kinds of relationships, for example, A and/or B, can indicate：Individualism A, exists simultaneously A and B, individualism B these three Situation.It is a kind of relationship of "or" that character "/", which typicallys represent forward-backward correlation object,.

Fig. 1 is a kind of network architecture schematic diagram that citing ground can apply the application.As shown in Figure 1, the network architecture Schematic diagram can be the network architecture of LTE communication system, can also be Universal Mobile Communication System (Universal Mobile Telecommunications System, UMTS) land radio access web (UMTS Terrestrial Radio Access Network, UTRAN) framework or global system for mobile communications (Global System for Mobile Communications, GSM)/enhanced data rates for gsm evolution (Enhanced Data Rate for GSM Evolution, EDGE) system wireless access network (GSM EDGE Radio Access Network, GERAN) framework, even It can also be the 5th third-generation mobile communication (5th-Generation, 5G) system architecture.

The network architecture schematic diagram includes core-network side equipment, base station and terminal.It should be noted that core shown in FIG. 1 The form and quantity of heart net side equipment, base station and terminal are used for for example, not constituting the restriction to the application.

Fig. 1 includes one of base station for 3 base stations with wireless access network (Radio Access Network, RAN) It is anchor base station (base stations anchor), under RRC_INACTIVE states, anchor base station can preserve the Connecting quantity of terminal.Eventually End can connect two base stations, be illustrated so that terminal has been currently accessed base station 1 as an example in Fig. 1.

Optionally, base station is connect with core-network side equipment, is used for the transmission of control signaling.It can also between base station and base station It is connected by interface mutually.Terminal is connect with base station, wherein terminal can access network by corresponding interface.

This application involves RRC_INACTIVE states, it can be cut from other states that terminal, which enters RRC_INACTIVE states, Change to RRC_INACTIVE states, it is also possible to initially be put into RRC_INACTIVE states, not be limited herein.Current discussion In, when terminal is in RRC_INACTIVE states, transmitting uplink data is broadly divided into two schemes：It is related to the scheme of RRC signaling It (is denoted as：OPTION A) and be not related to the scheme of RRC signaling and (be denoted as：OPTION B).OPTION B support terminal in RRC_ The transmission of the small bag data of uplink is directly carried out when INACTIVE states.But the transmission of ordinary business practice has amphicheirality, upper industry After business triggering, one side downlink has the confirmation of radio link control (Radio Link Control, RLC) layer (ACK) ACK of message and transmission control protocol (Transmission Control Protocol, TCP) layer of more top is reported Text.On the other hand, the business of application layer generally also has the interaction of uplink and downlink, such as the most common uplink message in internet：It is super Text transfer protocol (HyperText Transfer Protocol, HTTP) message has the data packet of downlink after reaching.Cause Under this RRC_INACTIVE state, if only supporting direct transmitting uplink data, but do not support downlink data transmission, i.e., every time under Row data transmission needs to be switched to connected states, then from the point of view of signaling overheads, the signaling of saving is very limited.Separately Outside, in some networks, such as there are more called service in future 5G networks, i.e., the industry that network side is actively sent to terminal Business, the business that is pushed to terminal as application program (APP) server or when communication traffic etc..

The application provides downlink data transmission method when a kind of terminal is in RRC_INACTIVE states, to realize RRC_ Uplink and downlink data transmission can carry out when INACTIVE states.

" small data packets " mentioned in the application can refer to the data packet that size is less than pre-determined threshold, and pre-determined threshold is in this Shen Please in be not restricted, can be adjusted flexibly according to specific application.

The data that core-network side will be sent to terminal are sent to anchor base station, anchor base station it needs to be determined that terminal position It sets, that is, determines which access base station is terminal be currently accessed, and then send the data to access base station, sent out data by access base station Give terminal.Specific implementation process is with reference to following methods embodiment：

Fig. 2 is the downlink data transmission method flow diagram that one embodiment of the application provides, as shown in Fig. 2, this method Including：

S201, anchor base station obtain the mark of downlink data and terminal.

The terminal is currently at RRC_INACTIVE states.

Anchor base station is stored with the Connecting quantity of the terminal.The Connecting quantity includes the mark of terminal.

Optionally, the Connecting quantity in the application can also include context parameters, the S1 Connecting quantities etc. of terminal.Its In, context parameters may include following one or more：Terminal mark (such as ID or other can identify the ginseng of terminal Number), radio bearer relevant parameter, security-related parameters, service quality relevant parameter.

S202, anchor base station send above-mentioned downlink data and the Connecting quantity of terminal to access base station.Correspondingly, base is accessed It stands and receives the Connecting quantity of downlink data and terminal that anchor base station is sent.

Access base station in the application refers to the base station that terminal is currently accessed.

S203, access base station send downlink data according to the mark of terminal to the terminal.

It is to have accessed oneself that access base station determines the terminal currently according to the mark of terminal, then can be sent out to the terminal Send downlink data.

In the present embodiment, when terminal is in RRC_INACTIVE states, anchor base station gets downlink data and terminal After Connecting quantity, downlink data is sent to access base station, is directly sent out downlink data according to the mark of terminal by access base station Terminal is given, the data downstream transmission under RRC_INACTIVE states is realized, when to help to subtract the transmission of downlink data Prolong, in addition can not also be related to RRC signaling flow, reduce the complexity that the SOT state of termination is safeguarded, switching flow can also be reduced, saved Save handover overhead.

It should be noted that downlink data packet reach core net after, core-network side do not differentiate between RRC_INACTIVE states and RRC_CONNECTED states, are directly sent to anchor base station by downlink data packet.Optionally, core-network side can be by downlink data Packet is packaged, and the mark of terminal is carried after encapsulation, in order to which anchor base station determines terminal.Anchor base station further determines Currently whether know the base station that terminal is accessed.

If anchor base station currently knows the access base station of terminal access, so that it may downlink data packet is sent to the access Base station, if it is not known that, anchor base station just gives institute, and all base station groups send out the Connecting quantities of downlink datas and the terminal in the ran.

Optionally, above-mentioned anchor base station sends above-mentioned downlink data and the Connecting quantity of terminal to access base station, that is, accesses Base station receives the downlink data that anchor base station is sent and the Connecting quantity of terminal：Access base station receives anchor base station The Connecting quantity for the above-mentioned downlink data and the terminal that all base stations are sent in addition to the anchor base station into place network (RAN).

It optionally, can be with before anchor base station sends above-mentioned downlink data and the Connecting quantity of terminal to access base station Judge whether the size of the downlink data is less than pre-determined threshold, if it is less than or equal to pre-determined threshold, is just sent to access base station The Connecting quantity of above-mentioned downlink data and terminal.If it is greater than pre-determined threshold it is necessary to by current RRC_INACTIVE states switch To RRC_CONNECTED states, above-mentioned downlink data is then retransmited.

Fig. 3 is the downlink data transmission method flow diagram that another embodiment of the application provides.As shown in figure 3, the party Method includes：

S301, anchor base station obtain the mark of downlink data and terminal.

S302, anchor base station to all base stations send paging messages in addition to the anchor base station in a network.The paging disappears Above-mentioned downlink data and the Connecting quantity of terminal are carried in breath.

In this implementation, anchor base station does not know the base station that terminal is currently accessed, then just owns in addition to the anchor base station Base station sends paging message.

S303, access base station send paging message to terminal, which includes the mark of the terminal.

In the present embodiment, the mark of terminal can be that terminal deactivates mark (such as terminal i nactive ID), but not with This is limited.

Here access base station can send paging message to all terminals under access base station.

Optionally, access base station can also send downlink reception instruction to terminal, and downlink reception instruction is used to indicate terminal Downlink data is received under RRC_INACTIVE states.Optionally, downlink reception instruction can carry in paging message.

Optionally, can also include in the paging message：Newly-increased reason value (such as：The downlink data of deactivation status, English can be DL data in inactive), newly-increased reason value with instruction terminal in RRC_INACTIVE states for being connect Downlink data is received, without switch to RRC_CONNECTED states.

Further, if terminal is configured for exempting from authorization resources (such as grant free resources), S304 is executed.Or Person, above-mentioned paging message further include：Targeting sequencing (such as contention free preamble SN) executes S305.

S304, terminal, which use, exempts from the mark that authorization resources send the terminal to access base station.

Optionally, terminal can explicit carried terminal mark, can also by the demodulated reference signal of pre-configuration (such as DeModulation Reference Signal, DM-RS) the implicit carried terminal of sequence mark.

Subsequent terminal can be after the mark for sending terminal, in Physical Downlink Control Channel (such as Physical Downlink Control Channel, PDCCH) on monitor downlink data.

S305, terminal send targeting sequencing to access base station.

Terminal-specific is distributed to it should be noted that targeting sequencing here is base station, access base station receives terminal hair It is known that being which terminal is sent after the targeting sequencing sent, i.e. the mark of targeting sequencing implicit instruction terminal.

After executing S304 or S305, S306 is executed.

S306, access base station send downlink data and uplink authorization resource allocation according to the mark of terminal to the terminal Information.

It is that access base station is determined according to targeting sequencing for which terminal can send downlink data etc. later.It needs to illustrate Be that access base station can first send downlink data, retransmit uplink authorization resource allocation information, can also both send together, The present embodiment is not limited.

Access base station determines that terminal has accessed oneself after receiving the mark of terminal.

Optionally, if executing S304, access base station issues downlink data and uplink authorization resource allocation information together, Terminal monitoring PDCCH can receive downlink data and uplink authorization resource allocation information.

If executing S305, after access base station receives targeting sequencing, the MSG2 of random access can be utilized to be sent to terminal Downlink data and uplink authorization resource allocation information, but not limited to this.

Optionally, access base station can be by uplink timing-advance information (such as Timing Advance, TA) and lower line number Terminal is sent jointly to, or can also be sent respectively according to, uplink authorization resource allocation information.

Wherein, TA is used to indicate terminal uplink synchronization.In realization, base station can access multiple terminals, these terminals and base station The distance between may be different, thus the upstream data that sends of these terminals reach time of base station may be different, referred to by TA Show that each terminal sends the time of upstream data, it is ensured that the time that upstream data reaches base station is identical.

S307, terminal send feedback information according to uplink authorization resource allocation information to access base station.The feedback information is used In indicating whether to be properly received above-mentioned downlink data, for example, replying ACK if being properly received, it is not properly received and just replys NACK。

Optionally, terminal adjusts the time for sending feedback information according to TA.

After S308, access base station receive feedback information, confirmation message is sent to anchor base station.The confirmation message is for referring to Show that downlink data transmission is completed.

Optionally, which can include the Connecting quantity of the terminal.

Further, after access base station sends confirmation message to terminal, the data transfer ends, access base station and anchor point at this time Base station is two different base stations, but the two base stations are all stored with the Connecting quantity of terminal.So access base station can open Dynamic switching flow, such as switching instruction is sent to core net by anchor base station, access base station is switched to anchor base station, also may be used Not start switching flow, it is not restricted in the application.

Fig. 4 is the downlink data transmission method flow diagram that the application another embodiment provides.

As shown in figure 4, this method includes：

S401, anchor base station obtain the mark of downlink data and terminal.

S402, anchor base station send paging message to access base station.Above-mentioned downlink data and end are carried in the paging message The Connecting quantity at end.

In the present embodiment, anchor base station knows the base station that terminal is currently accessed, i.e. access base station, just directly to access base station Send paging message.

S403, access base station send above-mentioned downlink data according to the mark of the terminal to terminal.

Optionally, access base station is above-mentioned to terminal transmission in the paging occasion (such as Paging occasion) of the terminal Downlink data.

S404, access base station send paging message to terminal, which may include：The mark and instruction letter of terminal Breath.

The instruction information is used to indicate default time slot of the terminal after current time slots and receives the downlink data.

Optionally, the mark of default time slot can directly be carried in paging message, or with the space-number of current time slots etc.. It can also be by indicating that information instruction terminal receives downlink data in default time slot, for example, instruction terminal is under current time slots One time slot receives above-mentioned downlink data.Optionally, terminal is in default time slot blind examination downlink data.

Optionally, access base station sends the mark and downlink data of terminal in next time slot of current time slots.

S405, terminal receive the downlink data according to default time slot of the instruction information after current time slots.

The mark of terminal can be Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (cell radio network temporary Identifier, C-RNTI) or INACTIVE ID, this is not restricted.Wherein, network where the mark of terminal can be (RAN) unique mark in.

S404 and S405 is optional step, and terminal can directly receive downlink data, for example, can in current time slots and/or Time slot after current time slots receives downlink data etc., and this is not restricted.Optionally, under access base station can be sent to terminal Row receives instruction, and instruction terminal receives downlink data under RRC_INACTIVE states.

Optionally, access base station can also send targeting sequencing to terminal, such as targeting sequencing is carried in paging message, So terminal executes S406~S408 after receiving downlink data, or executes S409~411.

S406, terminal send targeting sequencing to access base station.

It should be noted that targeting sequencing here, which can be base station, distributes to terminal-specific, access base station receives end It holds after the targeting sequencing sent it is known that be which terminal is sent, i.e. the mark of targeting sequencing implicit instruction terminal.

S407, access base station send uplink authorization resource allocation information to terminal.

Optionally, access base station sends TA and uplink authorization resource allocation information simultaneously to terminal.

S408, terminal send feedback information according to uplink authorization resource allocation information to access base station.

For example, replying ACK if being properly received downlink data, it is not properly received downlink data and just replys NACK.

Optionally, feedback information can be rlc layer feedback information or TCP layer feedback information, and this is not restricted.

S409, terminal send targeting sequencing to access base station.

S410, access base station receiving preamble sequences, and determine whether terminal is properly received downlink data according to targeting sequencing.

Optionally, if access base station only receives targeting sequencing, correct feedback information is not received, i.e., does not receive ACK, is shown Terminal is not properly received downlink data, and S406~S408 is executed then starting.

If access base station receives preface information and ACK, shows that terminal is properly received downlink data, then execute S411.

S411, access base station send confirmation message to terminal, and the confirmation message is for confirming that data transmission is completed.

Optionally, base station carries confirmation letter using random access response (such as random access response, RAR) Breath.

After executing S406~S408, or execution S409~411, S412 is executed.

S412, access base station send confirmation message to anchor base station.It is complete that the confirmation message is used to indicate downlink data transmission At.

Optionally, which can include the Connecting quantity of the terminal.

Fig. 5 is the downlink data transmission method flow diagram that the another embodiment of the application provides.

Optionally, in the present embodiment, terminal is in RRC_INACTIVE states, and anchor base station obtains downlink data and terminal Mark when, anchor base station knows the base station of terminal access, and uplink synchronous has been completed, and access base station received terminal transmission Upstream data (such as uplink business data), then access base station also preserves the Connecting quantity of the terminal, but not with this It is limited.

S501, access base station receive the upstream data packet that terminal is sent.

The upstream data packet may include the Connecting quantity of terminal and the mark of terminal.The upper line number that upstream data packet carries According to that can be uplink business data, it be limited herein.

Optionally, it before access base station receives the upstream data packet that terminal is sent, can be completed by sending TA to terminal Uplink synchronous.

S502, anchor base station obtain the mark of downlink data and terminal.

S503, anchor base station send downlink data packet to access base station, which includes：Downlink data and terminal Mark.

In the present embodiment, anchor base station knows the base station that terminal is currently accessed, and directly can send downlink to access base station Data packet.Optionally, after anchor base station receives downlink data, downlink data can be encapsulated, when encapsulation takes the mark of terminal.

Optionally, before anchor base station sends above-mentioned downlink data to access base station, it can also judge the downlink data Whether size is less than pre-determined threshold, if it is less than or equal to pre-determined threshold, just sends above-mentioned downlink data to access base station.If More than pre-determined threshold it is necessary to which current RRC_INACTIVE states are switched to RRC_CONNECTED states, then retransmit above-mentioned Downlink data.

S504, access base station send above-mentioned downlink data according to the mark of terminal to terminal.

Optionally, the mark of terminal using terminal is inscribed in paging occasion (such as paging occasion, PO) and accepts row Data.Optionally, when access base station eats dishes without rice or wine to send downlink data to terminal, the downlink can be scrambled with the mark of using terminal Data.

In the present embodiment, the mark of terminal can be C-RNTI or INACTIVE ID, and this is not restricted.Wherein, terminal Mark can be where unique mark in network (RAN).

In the present embodiment, access base station knows that terminal accesses oneself, and access base station receives the mark of downlink data and terminal Afterwards, which is assured that according to the mark of terminal, and then downlink data is sent to the terminal, terminal is in RRC_INACTIVE State can also get downlink data.

In the present embodiment, access base station receives the upstream data packet that terminal is sent, and gets the Connecting quantity of terminal and true The fixed terminal accesses oneself, and access base station receives the mark of downlink data and terminal that anchor base station is sent, according to the mark of terminal Know to terminal and sends above-mentioned downlink data.The data downstream transmission under RRC_INACTIVE states is realized, to help to subtract In addition the transmission delay of downlink data can not also be related to RRC signaling flow, reduce the complexity that the SOT state of termination is safeguarded, or Switching flow is reduced, handover overhead is saved.

It is alternatively possible to terminal distribution uplink authorization resource is given, such as when downlink data is application layer data (such as TCP Data) when, it may also have other downlink datas and issue, terminal distribution uplink authorization resource can be given in this way, for receiving Reply confirmation message after downlink data or send other uplink informations etc., it is not limited herein.If the non-application of downlink data Layer data (such as RLC ACK) subsequently may can not give terminal distribution uplink authorization resource there is no downlink data.

Optionally, access base station sends above-mentioned downlink data according to the mark of terminal to terminal, including：Access base station according to The mark of terminal sends paging message to terminal, which includes：Downlink data and uplink authorization resource allocation information.

Optionally, access base station sends downlink data and upper in paging occasion (such as Paging occasion) to terminal Row authorization resources distribute information.

Optionally, access base station sends above-mentioned downlink data according to the mark of terminal to terminal, including：Access base station is being sought (such as Paging occasion) is exhaled opportunity to send downlink data to terminal.

Further, if terminal does not receive uplink authorization resource allocation information, it can not reply and believe to access base station Breath.If terminal receives uplink authorization resource allocation information, the uplink that be distributed of uplink authorization resource allocation information can be used Authorization resources send feedback information to access base station.Feedback information is used to indicate whether to be properly received downlink data.

Optionally, after access base station receives the upstream data packet that terminal is sent, start the timer of preset time period.

Optionally, before access base station sends downlink data according to the mark of terminal to terminal, judge whether timer surpasses Cross preset time period, i.e., it is whether overtime.

Access base station sends lower line number when determining timer without departing from preset time period, according to the mark of terminal to terminal According to.

Access base station sends instruction letter when determining that timer exceeds preset time period, according to the mark of terminal to terminal Breath, default time slot of the instruction information instruction terminal after current time slots receive downlink data.

Can be specifically that after terminal sends upstream data packet, terminal and base station all start the timer.In timer expiry Before, base station can send downlink data directly in paging occasion to UE.If timer expiry, access base station It needs to connect to default time slot (such as next TTI of current time slots) of the terminal transmission paging message instruction terminal after current time slots Receive downlink data.It should be noted that before when the timer times out, terminal each paging occasion need with oneself The special blind solution data of ID, have certain energy consumption expense, and one timer of setting can save expense.

Fig. 6 is the downlink data transmission apparatus structure schematic diagram that one embodiment of the application provides, which can be base station, It can also be integrated in base station, the base station is above-mentioned access base station in the present embodiment.As shown in fig. 6, the device includes：Receiving module 601 and sending module 602, wherein：

Receiving module 601, the Connecting quantity of downlink data and terminal for receiving anchor base station transmission.

Wherein, the access base station is the base station that the terminal is currently accessed, and the anchor base station is stored with the terminal Connecting quantity, the mark of the terminal is included in the Connecting quantity of the terminal, the terminal is in radio resource control RRC Deactivation status.

Sending module 602, for sending the downlink data to the terminal according to the mark of the terminal.

Further, receiving module 601 are specifically used for receiving the anchor base station to removing the anchor point base in a network The Connecting quantity for the downlink data and the terminal that all base stations are sent other than standing.

Optionally, sending module 602 are additionally operable to send paging message, and the paging message includes：The mark of the terminal Know.

Further, receiving module 601 are additionally operable to receive the terminal using the terminal for exempting from authorization resources transmission Mark.Correspondingly, sending module 602, be specifically used for according to the mark of the terminal to the terminal send the downlink data, And uplink authorization resource allocation information.

Optionally, the paging message further includes：Targeting sequencing.Correspondingly, receiving module 601 are additionally operable to described in reception The targeting sequencing that terminal is sent.

Sending module 602 is sent out specifically for determining the mark of the terminal according to the targeting sequencing, and to the terminal Send the downlink data.

Here targeting sequencing can be that terminal-specific is distributed in base station, access base station receive terminal transmission this is leading It is known that being which terminal is sent after sequence, i.e. the mark of targeting sequencing implicit instruction terminal.

Optionally, sending module 602 are additionally operable to send uplink authorization resource to the terminal according to the mark of the terminal Distribute information.

Receiving module 601 is additionally operable to receive the feedback that the terminal is sent according to the uplink authorization resource allocation information Information, the feedback information are used to indicate whether to be properly received the downlink data.

Further, sending module 602 are additionally operable to send downlink reception instruction to the terminal, and the downlink reception refers to Show that be used to indicate the terminal deactivates connection status reception downlink data in the RRC.

The device is used to execute the method in preceding method embodiment performed by access base station, realization principle and technology effect Seemingly, details are not described herein for fruit.

Fig. 7 is the downlink data transmission apparatus structure schematic diagram that another embodiment of the application provides, which can be base It stands, base station can also be integrated in, the base station is above-mentioned access base station in the present embodiment.As shown in fig. 7, the device includes：It receives Module 701 and sending module 702, wherein：

Receiving module 701, the upstream data packet for receiving terminal transmission, the upstream data packet includes the terminal The mark of Connecting quantity and the terminal；The downlink data packet that anchor base station is sent is received, the downlink data packet includes：Downlink The mark of data and the terminal.

Wherein, the access base station is the base station that the terminal is currently accessed, and the terminal is in radio resource control RRC Deactivation status.

Sending module 702, for sending the downlink data to the terminal according to the mark of the terminal.

When the downlink data is application layer data, sending module 702, be specifically used for according to the mark of the terminal to The terminal sends paging message, and the paging message includes：The downlink data and uplink authorization resource allocation information.

Optionally, receiving module 701, are additionally operable to receive the terminal and are sent according to the uplink authorization resource allocation information Feedback information, the feedback information is used to indicate whether to be properly received the downlink data.

Fig. 8 is the downlink data transmission apparatus structure schematic diagram that the another embodiment of the application provides, as shown in figure 8, in Fig. 7 On the basis of, which can also include：Processing module 801, for receiving the uplink that the terminal is sent in receiving module 701 After data packet, start the timer of preset time period.

Optionally, processing module 801 are additionally operable to judge whether the timer is more than the preset time period.

Correspondingly, sending module 702, when processing module 801 determines the timer without departing from the preset time period, According to the mark of the terminal downlink data is sent to the terminal.Alternatively, determining the timer in processing module 801 When beyond the preset time period, instruction information is sent to the terminal according to the mark of the terminal, the instruction information refers to Show that default time slot of the terminal after current time slots receives the downlink data.

Fig. 9 is the downlink data transmission apparatus structure schematic diagram that another embodiment of the application provides, which can be base It stands, base station can also be integrated in, the base station is above-mentioned anchor base station in the present embodiment.As shown in figure 9, the device includes：It obtains Module 901 and sending module 902, wherein：

Acquisition module 901, the mark for obtaining downlink data and terminal.

The terminal is in radio resource control RRC deactivation status, and the anchor base station stores the connection of the terminal Parameter includes the mark of the terminal in the Connecting quantity of the terminal

Sending module 902, the Connecting quantity for sending the downlink data and the terminal to access base station.Wherein, The access base station is the base station that the terminal is currently accessed.

Optionally, when the mark of the anchor base station acquisition downlink data and the terminal, the anchor base station is unknown The terminal accesses the access base station.Correspondingly, sending module 902, to the institute in addition to the anchor base station in a network There is base station to send the downlink data and the Connecting quantity.

The device is used to execute the method in preceding method embodiment performed by anchor base station, realization principle and technology effect Seemingly, details are not described herein for fruit.

Figure 10 is the downlink data transmission apparatus structure schematic diagram that the application another embodiment provides, which can be eventually End, can also be integrated in terminal, as shown in Figure 10, which includes：Block of state 110 and receiving module 111, wherein：

Block of state 110, for entering radio resource control RRC deactivation status.

Receiving module 111, the downlink data sent according to the mark of the terminal for receiving access base station, the access Base station is the base station that the terminal is currently accessed.

Optionally, receiving module 111 are additionally operable to receive the paging message that the access base station is sent, the paging message Including：The mark of the terminal.

As shown in Figure 10, which can also include：Sending module 112, for according to the paging message, using exempting to award Power resource sends the mark of the terminal to the access base station.

Further, the paging message further includes：Targeting sequencing.

Sending module 112 sends the targeting sequencing to the access base station.

The paging message further includes：Indicate information.Correspondingly, receiving module 111 are specifically used for being believed according to the instruction Breath receives the downlink data in the default time slot.

Optionally, sending module 112 are additionally operable to send upstream data packet, the upstream data packet to the access base station The mark of Connecting quantity and the terminal including the terminal.

The device is used to execute the method in preceding method embodiment performed by terminal, implementing principle and technical effect class Seemingly, details are not described herein.

It should be noted that it should be understood that the modules of apparatus above division be only a kind of division of logic function, It can completely or partially be integrated on a physical entity in actual implementation, it can also be physically separate.And these modules can be with All realized in the form of software is called by processing element；It can also all realize in the form of hardware；It can also part mould Block calls the form of software to realize by processing element, and part of module is realized by the form of hardware.For example, acquisition module can be with For the processing element individually set up, it can also be integrated in some chip of above-mentioned apparatus and realize, in addition it is also possible to program The form of code is stored in the memory of above-mentioned apparatus, is called by some processing element of above-mentioned apparatus and is executed above obtain The function of modulus block.The realization of other modules is similar therewith.In addition these modules can completely or partially integrate, and also may be used With independent realization.Processing element described here can be a kind of integrated circuit, the processing capacity with signal.In the process of realization In, each step of the above method or more modules can by the integrated logic circuit of the hardware in processor elements or The instruction of software form is completed.

For example, the above module can be arranged to implement one or more integrated circuits of above method, such as： One or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or, one Or multi-microprocessor (digital singnal processor, DSP), or, one or more field programmable gate array (Field Programmable Gate Array, FPGA) etc..For another example, when some above module dispatches journey by processing element When the form of sequence code is realized, which can be general processor, such as central processing unit (Central Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules can integrate Together, it is realized in the form of system on chip (system-on-a-chip, abbreviation SOC).

Figure 11 is the downlink data transmission apparatus structure schematic diagram that the another embodiment of the application provides, which can be base It stands, base station can also be integrated in.The device includes：Transceiver 1101, processor 1103 can also include optionally memory 1102, wherein connected alternately through bus 1104 between transceiver 1101, memory 1102, processor 1103.

Wherein, transceiver 1101 can be connect with antenna.Transceiver 1101 can by antenna receive other equipment (such as Terminal) information that sends, and it sends information to processor 1103 and is handled；On the contrary on direction, 1103 logarithm of processor According to being handled, and other equipment is sent to by transceiver 1101.

Memory 1102 realizes above method embodiment for storing, and processor 1103 or transceiver 1101 can call The program executes the operation of above method embodiment.

Optionally, when which is above-mentioned access base station or is integrated in above-mentioned access base station：

Transceiver 1101, the Connecting quantity of downlink data and terminal for receiving anchor base station transmission, wherein described to connect It is the base station that the terminal is currently accessed to enter base station, and the anchor base station is stored with the Connecting quantity of the terminal, the terminal Connecting quantity in include the mark of the terminal, the terminal is in radio resource control RRC deactivation status；According to described The mark of terminal sends the downlink data to the terminal.

Optionally, transceiver 1101 are specifically used for receiving the anchor base station to removing the anchor base station in a network The Connecting quantity for the downlink data and the terminal that all base stations are sent in addition.

Optionally, transceiver 1101 are additionally operable to send paging message, and the paging message includes：The mark of the terminal.

The paging message further includes：Indicate information, the instruction information be used to indicate the terminal current time slots it Default time slot afterwards receives the downlink data.

Optionally, transceiver 1101 are additionally operable to the mark for receiving the terminal using the terminal for exempting from authorization resources transmission Know.Correspondingly, transceiver 1101, be specifically used for according to the mark of the terminal to the terminal send the downlink data, with And uplink authorization resource allocation information.

Optionally, the paging message further includes：Targeting sequencing.Transceiver 1101 is additionally operable to receive the terminal transmission The targeting sequencing.Correspondingly, specifically for determining the mark of the terminal according to the targeting sequencing, and to the terminal Send the downlink data.

Optionally, transceiver 1101 are additionally operable to send uplink authorization resource to the terminal according to the mark of the terminal Distribute information；Receive the feedback information that the terminal is sent according to the uplink authorization resource allocation information, the feedback information It is used to indicate whether to be properly received the downlink data.

Optionally, transceiver 1101 are additionally operable to send downlink reception instruction to the terminal, and the downlink reception instruction is used Connection status is deactivated in the RRC receive downlink data in the instruction terminal.

In another embodiment, when which is above-mentioned access base station or is integrated in above-mentioned access base station：

Transceiver 1101, the upstream data packet for receiving terminal transmission, the upstream data packet includes the terminal The mark of Connecting quantity and the terminal, wherein the access base station is the base station that is currently accessed of the terminal, at the terminal In radio resource control RRC deactivation status；The downlink data packet that anchor base station is sent is received, the downlink data packet includes： The mark of downlink data and the terminal；According to the mark of the terminal downlink data is sent to the terminal.

Optionally, when the downlink data is application layer data, the transceiver 1101 was specifically used for according to the end The mark at end sends paging message to the terminal, and the paging message includes：The downlink data and uplink authorization resource point With information.

Optionally, transceiver 1101, are additionally operable to receive the terminal and are sent according to the uplink authorization resource allocation information Feedback information, the feedback information is used to indicate whether to be properly received the downlink data.

Further, processor 1103 be used for the transceiver 1101 receive upstream data packet that the terminal is sent it Afterwards, start the timer of preset time period.

Processor 1103 is additionally operable to send the downlink to the terminal according to the mark of the terminal in the transceiver Before data, judge whether the timer is more than the preset time period.Transceiver 1101 is determined in the processor 1103 When the timer is without departing from the preset time period, the lower line number is sent to the terminal according to the mark of the terminal According to；Alternatively, when the processor 1103 determines that the timer exceeds the preset time period, according to the mark of the terminal Instruction information is sent to the terminal, the instruction information instruction terminal is in the case where the default time slot reception after current time slots is described Row data.

Optionally, in another embodiment, when which is above-mentioned anchor base station or is integrated in above-mentioned anchor base station：

Processor 1103, the mark for obtaining downlink data and terminal, the terminal are in radio resource control RRC Deactivation status, the anchor base station store the Connecting quantity of the terminal, include the end in the Connecting quantity of the terminal The mark at end.

Transceiver 1101, the Connecting quantity for sending the downlink data and the terminal to access base station, wherein institute It is the base station that the terminal is currently accessed to state access base station.

Optionally, when the mark of the acquisition downlink data of processor 1103 and the terminal, the unknown terminal accesses institute State access base station.Transceiver 1101, be specifically used for described in all base stations are sent in addition to the anchor base station in a network Downlink data and the Connecting quantity.

The device is used to execute the method in preceding method embodiment performed by base station, implementing principle and technical effect class Seemingly, details are not described herein.

Figure 12 is the downlink data transmission apparatus structure schematic diagram that the application another embodiment provides, which can be eventually End, can also be integrated in terminal.As shown in figure 12, which includes：Transceiver 1201, processor 1203 further include optionally Memory 1202, wherein connected alternately through bus 1204 between transceiver 1201, memory 1202, processor 1203.

Wherein, transceiver 1201 can be connect with antenna.Transceiver 1201 can by antenna receive other equipment (such as Terminal) information that sends, and it sends information to processor 1203 and is handled；On the contrary on direction, 1203 logarithm of processor According to being handled, and other equipment is sent to by transceiver 1201.

Memory 1202 realizes above method embodiment for storing, and processor 1203 or transceiver 1201 call the journey Sequence executes the operation of above method embodiment.

Wherein：

Processor 1203 enters RRC deactivation status for control terminal.

Transceiver 1201, the downlink data sent according to the mark of the terminal for receiving access base station, the access Base station is the base station that the terminal is currently accessed.

Optionally, transceiver 1201 are additionally operable to receive the paging message that the access base station is sent, the paging message packet It includes：The mark of the terminal.

Optionally, transceiver 1201, are additionally operable to according to the paging message, using exempting from authorization resources to the access base station Send the mark of the terminal.

Optionally, transceiver 1201 are additionally operable to receive the access base station according to described in the transmission of the mark of the terminal Downlink data and uplink authorization resource allocation information.

Optionally, the paging message further includes：Targeting sequencing.Transceiver 1201 is additionally operable to send out to the access base station Send the targeting sequencing.

Optionally, the paging message further includes：Indicate that information, the instruction information are used to indicate the terminal current Default time slot after time slot receives the downlink data.Transceiver 1201 is specifically used for according to the instruction information described Default time slot receives the downlink data.

Optionally, transceiver 1201 are additionally operable to receive the uplink that the access base station is sent according to the mark of the terminal Authorization resources distribute information；According to the uplink authorization resource allocation information feedback information, the feedback are sent to access base station Information is used to indicate whether to be properly received the downlink data.

Optionally, transceiver 1201 are additionally operable to send upstream data packet, the upstream data packet to the access base station Include the mark of the Connecting quantity and the terminal of the terminal.

Further, transceiver 1201 are additionally operable to receive the downlink reception instruction that access base station is sent, the downlink reception Instruction is used to indicate the terminal and deactivates connection status reception downlink data in the RRC.

Transceiver in the application embodiment can by antenna, either other circuits or device carry out Radio open sends and receivees signal.

Memory shown in the embodiment of the present application figure is provided separately with processor, and in realization, memory can be with Setting in the processor, is no longer drawn one by one.

The device or processor of the application embodiment can be field programmable gate array (Field- Programmable Gate Array, FPGA), can be special integrated chip (Application Specific Integrated Circuit, ASIC), it can also be System on Chip/SoC (System on Chip, SoC), can also be centre Device (Central Processor Unit, CPU) is managed, can also be network processing unit (Network Processor, NP), also It can be digital signal processing circuit (Digital Signal Processor, DSP), can also be microcontroller (Micro Controller Unit, MCU), can also be programmable controller (Programmable Logic Device, PLD) or its His integrated chip.

Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.Each side Method embodiment in order to facilitate succinct, can also reference each other, repeat no more.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit It closes or communicates to connect, can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of step. And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.

The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any Those familiar with the art can easily think of the change or the replacement in the technical scope that the application discloses, and should all contain It covers within the protection domain of the application.Therefore, the protection domain of the application is answered described is with the protection domain of claims It is accurate.

Claims

1. a kind of downlink data transmission method, which is characterized in that including：

Access base station receives the Connecting quantity of downlink data and terminal that anchor base station is sent, wherein the access base station is institute The base station that terminal is currently accessed is stated, the anchor base station is stored with the Connecting quantity of the terminal, the Connecting quantity of the terminal In include the mark of the terminal, the terminal is in radio resource control RRC deactivation status；

2. according to the method described in claim 1, it is characterized in that, the access base station receives under the anchor base station transmission The Connecting quantity of row data and the terminal, including：

The access base station receive the anchor base station to all base stations are sent in addition to the anchor base station in a network The Connecting quantity of the downlink data and the terminal.

3. method according to claim 1 or 2, which is characterized in that the access base station receives under anchor base station transmission After the Connecting quantity of row data and terminal, further include：

4. according to the method described in claim 3, it is characterized in that, the paging message further includes：Indicate information, the instruction Information is used to indicate default time slot of the terminal after current time slots and receives the downlink data.

5. method according to claim 3 or 4, which is characterized in that after the access base station sends paging message, also wrap It includes：

The access base station sends the downlink data and uplink authorization resource according to the mark of the terminal to the terminal Distribute information.

6. method according to claim 3 or 4, which is characterized in that the paging message further includes：Targeting sequencing；

After the access base station sends paging message, further include：

Correspondingly,

The access base station determines the mark of the terminal according to the targeting sequencing, and sends the lower line number to the terminal According to.

7. method according to claim 5 or 6, which is characterized in that the method further includes：

The access base station receives the feedback information that the terminal is sent according to the uplink authorization resource allocation information, described anti- Feedforward information is used to indicate whether to be properly received the downlink data.

8. according to claim 1-7 any one of them methods, which is characterized in that the access base station is according to the mark of the terminal Know before sending the downlink data to the terminal, further includes：

The access base station sends downlink reception instruction to the terminal, and the downlink reception instruction is used to indicate the terminal and exists The RRC deactivates connection status and receives downlink data.

9. a kind of downlink data transmission method, which is characterized in that including：

Access base station receives the upstream data packet that terminal is sent, and the upstream data packet includes Connecting quantity and the institute of the terminal State the mark of terminal, wherein the access base station is the base station that the terminal is currently accessed, and the terminal is in radio resource control RRC deactivation status processed；

The access base station receives the downlink data packet that anchor base station is sent, and the downlink data packet includes：Downlink data and institute State the mark of terminal；

10. described to connect according to the method described in claim 9, it is characterized in that, when the downlink data is application layer data Enter base station and the downlink data is sent to the terminal according to the mark of the terminal, including：

The access base station sends paging message according to the mark of the terminal to the terminal, and the paging message includes：Institute State downlink data and uplink authorization resource allocation information.

11. according to the method described in claim 10, it is characterized in that, the access base station sends paging message to the terminal Later, further include：

12. according to claim 9-11 any one of them methods, which is characterized in that the access base station receives the terminal hair After the upstream data packet sent, start the timer of preset time period.

13. according to the method for claim 12, which is characterized in that the access base station is according to the mark of the terminal to institute Before stating the terminal transmission downlink data, further include：

The access base station is when determining the timer without departing from the preset time period, according to the mark of the terminal to institute It states terminal and sends the downlink data；Alternatively,

The access base station is when determining that the timer exceeds the preset time period, according to the mark of the terminal to described Terminal sends instruction information, and default time slot of the instruction information instruction terminal after current time slots receives the lower line number According to.

14. a kind of downlink data transmission method, which is characterized in that including：

Anchor base station obtains the mark of downlink data and terminal, and the terminal is in radio resource control RRC deactivation status, The anchor base station stores the Connecting quantity of the terminal, and the mark of the terminal is included in the Connecting quantity of the terminal；

The anchor base station sends the Connecting quantity of the downlink data and the terminal to access base station, wherein the access Base station is the base station that the terminal is currently accessed.

15. according to the method for claim 14, which is characterized in that the anchor base station obtains downlink data and the end When the mark at end, the unknown terminal of anchor base station accesses the access base station；

The anchor base station to all base stations send the downlink data and described in addition to the anchor base station in a network Connecting quantity.

16. a kind of downlink data transmission method, which is characterized in that including：

Terminal enters radio resource control RRC deactivation status；

The terminal receives the downlink data that access base station is sent according to the mark of the terminal, and the access base station is the end Hold the base station being currently accessed.

17. according to the method for claim 16, which is characterized in that the terminal receives access base station according to the terminal Before identifying the downlink data sent, further include：

The terminal receives the paging message that the access base station is sent, and the paging message includes：The mark of the terminal.

18. according to the method for claim 17, which is characterized in that the terminal receives the paging that the access base station is sent After message, further include：

The terminal is according to the paging message, using the mark for exempting from authorization resources to the access base station and sending the terminal.

19. according to the method for claim 17, which is characterized in that the paging message further includes：Targeting sequencing；

The terminal sends the targeting sequencing to the access base station.

20. according to the method for claim 17, which is characterized in that the paging message further includes：Indicate information, the finger Show that information is used to indicate default time slot of the terminal after current time slots and receives the downlink data；

21. according to the method for claim 16, which is characterized in that the terminal receives access base station according to the terminal Before identifying the downlink data sent, further include：

The terminal sends upstream data packet to the access base station, and the upstream data packet includes the Connecting quantity of the terminal With the mark of the terminal.

22. a kind of downlink data transmission device, which is characterized in that the downlink data transmission device is integrated in access base station, institute Stating device includes：Transceiver；

The transceiver, the Connecting quantity of downlink data and terminal for receiving anchor base station transmission, wherein the access base It stands the base station being currently accessed for the terminal, the anchor base station is stored with the Connecting quantity of the terminal, the company of the terminal The mark for including the terminal in parameter is connect, the terminal is in radio resource control RRC deactivation status；According to the terminal Mark send the downlink data to the terminal.

23. device according to claim 22, which is characterized in that the transceiver is specifically used for receiving the anchor point base Stand to all base stations are sent in addition to the anchor base station in a network the downlink data and the terminal connection ginseng Number.

24. the device according to claim 22 or 23, which is characterized in that the transceiver is additionally operable to send paging message, The paging message includes：The mark of the terminal.

25. device according to claim 24, which is characterized in that the paging message further includes：Indicate information, the finger Show that information is used to indicate default time slot of the terminal after current time slots and receives the downlink data.

26. the device according to claim 24 or 25, which is characterized in that the transceiver is additionally operable to receive the terminal Using the mark for the terminal for exempting from authorization resources transmission；Correspondingly,

The transceiver is specifically used for sending the downlink data and uplink to the terminal according to the mark of the terminal Authorization resources distribute information.

27. the device according to claim 24 or 25, which is characterized in that the paging message further includes：Targeting sequencing；

The transceiver is additionally operable to receive the targeting sequencing that the terminal is sent；

Correspondingly,

The transceiver sends institute specifically for determining the mark of the terminal according to the targeting sequencing, and to the terminal State downlink data.

28. the device according to claim 26 or 27, which is characterized in that the transceiver is additionally operable to according to the terminal Mark to the terminal send uplink authorization resource allocation information；The terminal is received according to the uplink authorization resource allocation The feedback information that information is sent, the feedback information are used to indicate whether to be properly received the downlink data.

29. according to claim 26-28 any one of them devices, which is characterized in that the transceiver was additionally operable to the end End sends downlink reception instruction, and the downlink reception instruction is used to indicate the terminal and is connect in RRC deactivations connection status Receive downlink data.

30. a kind of downlink data transmission device, which is characterized in that the downlink data transmission device is integrated in access base station, institute Stating device includes：Transceiver；

The transceiver, the upstream data packet for receiving terminal transmission, the upstream data packet includes the connection of the terminal The mark of parameter and the terminal, wherein the access base station is the base station that the terminal is currently accessed, and the terminal is in nothing Line resources control RRC deactivation status；The downlink data packet that anchor base station is sent is received, the downlink data packet includes：Downlink The mark of data and the terminal；According to the mark of the terminal downlink data is sent to the terminal.

31. device according to claim 30, which is characterized in that described when the downlink data is application layer data Transceiver is specifically used for sending paging message to the terminal according to the mark of the terminal, and the paging message includes：It is described Downlink data and uplink authorization resource allocation information.

32. device according to claim 31, which is characterized in that the transceiver, be additionally operable to receive the terminal according to The feedback information that the uplink authorization resource allocation information is sent, the feedback information be used to indicate whether to be properly received it is described under Row data.

33. according to claim 30-32 any one of them devices, which is characterized in that described device further includes：Processor；

The processor, for after the upstream data packet that the transceiver receives that the terminal is sent, starting preset time The timer of section.

34. device according to claim 33, which is characterized in that the processor, be additionally operable to the transceiver according to Before the mark of the terminal sends the downlink data to the terminal, when judging whether the timer is more than described default Between section；

The transceiver, specifically for when the processor determines the timer without departing from the preset time period, according to The mark of the terminal sends the downlink data to the terminal；Alternatively, determining that the timer exceeds in the processor When the preset time period, instruction information is sent to the terminal according to the mark of the terminal, the instruction information instruction is eventually The default time slot after current time slots is held to receive the downlink data.

35. a kind of downlink data transmission device, which is characterized in that the downlink data transmission device is integrated in anchor base station, institute Stating device includes：Processor and transceiver；

The processor, the mark for obtaining downlink data and terminal, the terminal are deactivated in radio resource control RRC State living, the anchor base station store the Connecting quantity of the terminal, include the terminal in the Connecting quantity of the terminal Mark；

The transceiver, the Connecting quantity for sending the downlink data and the terminal to access base station, wherein described to connect It is the base station that the terminal is currently accessed to enter base station.

36. device according to claim 35, which is characterized in that the processor obtains downlink data and the terminal Mark when, the unknown terminal accesses the access base station；

The transceiver, be specifically used for all base stations send the downlink data in addition to the anchor base station in a network With the Connecting quantity.

37. a kind of downlink data transmission device, which is characterized in that the downlink data transmission device is integrated in terminal, the dress Set including：Processor and transceiver；

The processor enters radio resource control RRC deactivation status for controlling the terminal；

The transceiver, the downlink data sent according to the mark of the terminal for receiving access base station, the access base station The base station being currently accessed for the terminal.

38. according to the device described in claim 37, which is characterized in that the transceiver is additionally operable to receive the access base station The paging message of transmission, the paging message include：The mark of the terminal.

39. according to the device described in claim 38, which is characterized in that the transceiver is additionally operable to according to the paging message, Using the mark for exempting from authorization resources to the access base station and sending the terminal.

40. according to the device described in claim 38, which is characterized in that the paging message further includes：Targeting sequencing；

The transceiver is additionally operable to send the targeting sequencing to the access base station.

41. according to the device described in claim 38, which is characterized in that the paging message further includes：Indicate information, the finger Show that information is used to indicate default time slot of the terminal after current time slots and receives the downlink data；

The transceiver is specifically used for receiving the downlink data in the default time slot according to the instruction information.

42. according to the device described in claim 37, which is characterized in that the transceiver is additionally operable to send out to the access base station It includes the mark of the Connecting quantity and the terminal of the terminal to send upstream data packet, the upstream data packet.