CN108924904A - A kind of transmission method of upstream data, device and equipment - Google Patents

A kind of transmission method of upstream data, device and equipment Download PDF

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Publication number
CN108924904A
CN108924904A CN201710223621.XA CN201710223621A CN108924904A CN 108924904 A CN108924904 A CN 108924904A CN 201710223621 A CN201710223621 A CN 201710223621A CN 108924904 A CN108924904 A CN 108924904A
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China
Prior art keywords
information
access network
network elements
control channel
down control
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CN201710223621.XA
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CN108924904B (en
Inventor
艾建勋
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ZTE Corp
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ZTE Corp
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Priority to CN201710223621.XA priority Critical patent/CN108924904B/en
Priority to PCT/CN2018/080726 priority patent/WO2018184490A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

The embodiment of the invention provides a kind of transmission method of upstream data, device and equipment, the method includes:User equipment (UE) status indication information is sent to the second access network elements;Wherein, the UE status indication information determines connection status of the UE in subsequent interaction for second access network elements.

Description

A kind of transmission method of upstream data, device and equipment
Technical field
The present invention relates to mobile communication technology field more particularly to a kind of transmission methods of upstream data, device and equipment.
Background technique
In long term evolution (3GPP LTE, the 3rd Generation Partnership of third generation partner program Project Long Term Evolution) in system, a kind of new wireless heterogeneous networks (RRC) state is introduced, herein In be known as RRC inactive state (RRC Inactive state).To the UE under the state, network side element (core net and Access network elements) and UE maintain access layer (AS) contextual information of the UE, AS contextual information include the UE SRB, The configuration information of DRB and the configuration information of user plane protocol layer (PDCP, RLC) and (possible) status information.Meanwhile it should The behavior of UE is similar to the UE of idle (IDLE) state of RRC, i.e.,:UE in the case where wireless interface is not the state distributes private radio Resource.Network side element is that the UE under the state safeguards that the control plane of core net to access network elements is connected with user face, that is, is stood At the visual angle of core net, which is in RRC connected state (RRC CONNECTED state).Safeguard the AS contextual information of the UE Access network elements be referred to as the anchor point network element (anchor network element, such as anchor gNB) of the UE.
In discussions in 3 gpp, the demand that the UE under inactive state sends upstream data is proposed.Above-mentioned non-live During dynamic state sends upstream data, the RRC state of UE can be transferred to RRC connected state or is maintained at by access network elements Inactive state.
3GPP is also that wireless access network defines wireless notification region (RAN Notification Area, RNA), ownership The same RNA may be belonged in the cell of different access network elements.When UE is moved in the same RNA, it may be resident (camp) to different from the cell under the access network elements of its anchor network element, and in the cell, initiation RRC connection restored Journey (RRC resume procedure) sends upstream data in inactive state.UE is being different from the small of its anchor network element When initiating the transmission of inactive state upstream data in area, new access network elements are referred to as serving Access network element, or service network element (serving Network element)。
When UE, which initiates inactive state upstream data, to be sent, if anchor network element and service network element belong to different nets Member, how access net determines the subsequent RRC state of UE, and how to save the battery consumption of UE in this process is a needs It solves the problems, such as.
Summary of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of transmission method of upstream data, device And equipment.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is realized in:
The embodiment of the invention provides a kind of transmission method of upstream data, this method includes:
UE status indication information is sent to the second access network elements;
Wherein, the UE status indication information determines company of the UE in subsequent interaction for second access network elements Connect state.
Wherein, the UE status indication information includes one of following information or a variety of:
The size of the downlink data of the UE of first access network elements buffering;
Whether the first access network elements are cached with the downlink data of the UE;
The RRC state of UE converts instruction;
A part in one RRC information.
Wherein, the RRC state conversion of the UE is designated as:When UE is maintained at inactive state by instruction, the UE state Indicate that information further includes one of following information or a variety of:
Whether instruction UE needs to keep monitoring down control channel for a period of time;
Indicate that UE keeps monitoring the time span information of down control channel;
Indicate that UE begins listening for the time migration information of down control channel;
Indicate that UE keeps monitoring discontinuous reception (DRX) information of down control channel.
Optionally, it is described UE status indication information is sent to the second access network elements before, this method further includes:
Receive the information of the UE up data buffer of the second access network elements transmission.
Wherein, the information of the UE up data buffer includes one of following information or a variety of:
Buffer status reporting physical address control unit (the BSR MAC that UE is carried by message 1 or message 3 CE);
Whether UE needs to send there are also upstream data;
The size for the upstream data that UE needs to send;
The logic channel for the upstream data that UE needs to send and the size of data of each logic channel.
Optionally, it is described UE status indication information is sent to the second access network elements before, this method further includes:
According to whether having the size, and/or the UE of the downlink data of the buffering of the UE or the downlink data of the buffering of the UE Historical behavior information, and/or the UE up data buffer information, determine the content of the UE status indication information.
The embodiment of the invention also provides a kind of transmission method of upstream data, this method includes:
Receive the UE status indication information of the first access network elements transmission;
Wherein, the UE status indication information determines connection shape of the UE in subsequent interaction for the second access network elements State.
Wherein, the UE status indication information includes one of following information or a variety of:
The size of the downlink data of the UE of first access network elements buffering;
Whether the first access network elements are cached with the downlink data of the UE;
The RRC state of UE converts instruction;
A part in one RRC information.
Optionally, before the UE status indication information for receiving the transmission of the first access network elements, this method further includes:
The information of UE up data buffer is sent to first access network elements.
Optionally, it to be kept under monitoring if the second access network elements determine that UE is subsequent according to the UE status indication information Row control channel,
Then after the UE status indication information for receiving the transmission of the first access network elements, this method further includes:
By one of following information or a variety of it is sent to UE:
Whether need to monitor the instruction of down control channel;
The time migration of UE monitoring down control channel;
The time span of UE monitoring down control channel;
The DRX configuration information of UE monitoring down control channel.
Optionally, after the UE status indication information for receiving the transmission of the first access network elements, this method further includes:
The UE temporal information for monitoring down control channel is notified into UE.
Wherein, it is following any information that the UE, which monitors the temporal information of down control channel,:
Time migration information;
Time migration information and time span information;
DRX configuration information, including:DRX cycle, and in a DRX cycle monitor down control channel period Information.
The embodiment of the invention also provides a kind of transmission method of upstream data, this method includes:
The UE temporal information for monitoring down control channel is sent to UE by third access network elements.
Wherein, it is following any information that the UE, which monitors the temporal information of down control channel,:
Time migration information;
Time migration information and time span information;
DRX configuration information, including:DRX cycle, and in a DRX cycle monitor down control channel period Information.
The embodiment of the invention also provides a kind of transmission method of upstream data, this method includes:
Receive the temporal information that the UE that third access network elements are sent monitors down control channel.
Optionally, after the temporal information for receiving the UE monitoring down control channel that third access network elements are sent, This method further includes:
The temporal information of down control channel is monitored according to the UE, monitors down control channel.
The embodiment of the invention also provides a kind of transmitting device of upstream data, which includes:
First sending module, for UE status indication information to be sent to the second access network elements;
Wherein, the UE status indication information determines company of the UE in subsequent interaction for second access network elements Connect state.
Optionally, which further includes:
UE status indication information is sent to the second access network elements for first sending module by the first receiving module Before, the information for the UE up data buffer that the second access network elements are sent is received.
Optionally, which further includes:
First determining module, for according to whether there is the downlink data of the downlink data of the buffering of the UE or the buffering of the UE Size, and/or the UE historical behavior information, and/or the UE up data buffer information, determine the UE state Indicate the content of information.
The embodiment of the invention also provides a kind of access network elements, which includes:Upper line number described above According to transmitting device.
The embodiment of the invention also provides a kind of transmitting device of upstream data, which includes:
Second receiving module, for receiving the UE status indication information of the first access network elements transmission;
Wherein, the UE status indication information determines connection shape of the UE in subsequent interaction for the second access network elements State.
Optionally, which further includes:
Second sending module receives the UE state instruction letter that the first access network elements are sent for second receiving module Before breath, the information of UE up data buffer is sent to first access network elements.
Optionally, it to be kept under monitoring if the second access network elements determine that UE is subsequent according to the UE status indication information Row control channel,
Second sending module receives the UE state instruction that the first access network elements are sent in second receiving module After information, it is also used to one of following information or a variety of is sent to UE:
Whether need to monitor the instruction of down control channel;
The time migration of UE monitoring down control channel;
The time span of UE monitoring down control channel;
The DRX configuration information of UE monitoring down control channel.
Optionally, after second receiving module receives the UE status indication information that the first access network elements are sent,
Second sending module, the temporal information for being also used to monitor UE down control channel notify UE.
The embodiment of the invention also provides a kind of access network elements, which includes:Upper line number described above According to transmitting device.
The embodiment of the invention also provides a kind of transmitting device of upstream data, which includes:
Third sending module, the temporal information for UE to be monitored down control channel are sent to UE.
The embodiment of the invention also provides a kind of access network elements, which includes:The biography of above-mentioned upstream data Defeated device.
The embodiment of the invention also provides a kind of transmitting device of upstream data, which includes:
Third receiving module, the UE for receiving the transmission of third access network elements monitor the time letter of down control channel Breath.
Optionally, which further includes:
Module is monitored, the temporal information for monitoring down control channel according to the UE monitors down control channel.
The embodiment of the invention also provides a kind of terminal device, which includes:Upstream data described above Transmitting device.
Transmission method, device and the equipment of upstream data provided in an embodiment of the present invention, UE status indication information is sent To the second access network elements;Wherein, the UE status indication information determines UE in subsequent friendship for second access network elements Connection status in mutually.The service network element of the embodiment of the present invention can switch according to the UE status indication information in path (path switch) determines the state of UE before completing, and converts the state of UE.Such as:If the downlink data not buffered and Upstream data, service network element can send message instruction UE as early as possible and be maintained at inactive state and cease listening for downlink control letter Road can reduce the time that UE monitors down control channel, to save the power consumption of UE in this way.
In addition, the UE temporal information for monitoring down control channel is also sent to UE by the embodiment of the present invention, without etc. It is sent after interaction of the network element to be serviced between anchor point network element and together with the RRC information of response UE, so that contention resolved fails UE can re-initiate random access channel (RACH) process as soon as possible, and the successful UE of contention resolved is then supervised according to the UE The temporal information of down control channel is listened to monitor down control channel, to save the battery consumption of UE.
Detailed description of the invention
Fig. 1 is the transmission method flow diagram one of upstream data described in the embodiment of the present invention;
Fig. 2 is the transmission method flow diagram two of upstream data described in the embodiment of the present invention;
Fig. 3 is the transmission method flow diagram three of upstream data described in the embodiment of the present invention;
Fig. 4 is the transmission method flow diagram four of upstream data described in the embodiment of the present invention;
Fig. 5 is the transmission method flow diagram five of upstream data described in the embodiment of the present invention;
Fig. 6 is the transmitting device structural schematic diagram one of upstream data described in the embodiment of the present invention;
Fig. 7 is the transmitting device structural schematic diagram two of upstream data described in the embodiment of the present invention;
Fig. 8 is the transmitting device structural schematic diagram three of upstream data described in the embodiment of the present invention;
Fig. 9 is the transmitting device structural schematic diagram four of upstream data described in the embodiment of the present invention;
Figure 10 is the transmitting device structural schematic diagram five of upstream data described in the embodiment of the present invention;
Figure 11 is that the UE of inactive state in the related technology initiates the process schematic of transmitting uplink data in service network element;
Figure 12 is four step RACH process schematic in the related technology;
Figure 13 is two step RACH process schematic in the related technology;
UE initiates the process schematic of transmitting uplink data during Figure 14 is four step RACH described in the embodiment of the present invention;
UE initiates the process schematic of transmitting uplink data during Figure 15 is two step RACH described in the embodiment of the present invention.
Specific embodiment
The present invention will be described in detail combined with specific embodiments below.
The embodiment of the invention provides a kind of transmission method of upstream data, this method includes:
Step 102:UE status indication information is sent to the second access network elements;Wherein, the UE status indication information, Connection status of the UE in subsequent interaction is determined for second access network elements.
Here, the UE status indication information be carried in RACH access procedure message 3 (message 3) (if Access procedure based on four step RACH) or message 1 (if access procedure based on two step RACH) in;Second access Network element can be:Service network element.
The embodiment of the present invention can switch before (path switch) is completed really according to the UE status indication information in path Determine the state of UE, and converts the state of UE.Such as:If the downlink data and upstream data that do not buffer, service network element can be with Message instruction UE is sent as early as possible to be maintained at inactive state and cease listening for down control channel, can reduce UE monitoring in this way The time of down control channel, to save the power consumption of UE.
Wherein, the UE status indication information includes one of following information or a variety of:
The size of the downlink data of the UE of first access network elements (can be anchor point network element) buffering;
Whether the first access network elements are cached with the downlink data of the UE;
The RRC state of UE converts instruction;
A part in one RRC information.
In one embodiment, the RRC state conversion of the UE is designated as:When UE is maintained at inactive state by instruction, institute Stating UE status indication information further includes one of following information or a variety of:
Whether instruction UE needs to keep monitoring down control channel for a period of time;
Indicate that UE keeps monitoring the time span information of down control channel;
Indicate that UE begins listening for the time migration information of down control channel;
Indicate that UE keeps monitoring discontinuous reception (DRX) information of down control channel.
In one embodiment, as shown in Figure 1, it is described UE status indication information is sent to the second access network elements before, This method further includes:
Step 100:Receive the information of the UE up data buffer of the second access network elements transmission.
Wherein, the information of the UE up data buffer includes one of following information or a variety of:
The BSR MAC CE that UE is carried by message 1 or message 3;
Whether UE needs to send there are also upstream data;
The size for the upstream data that UE needs to send;
The logic channel for the upstream data that UE needs to send and the size of data of each logic channel.
In one embodiment, as shown in Fig. 2, it is described UE status indication information is sent to the second access network elements before, This method further includes:
Step 101:According to whether have the size of the downlink data of the buffering of the UE or the downlink data of the buffering of the UE, And/or the UE historical behavior information, and/or the UE up data buffer information, determine UE state instruction letter The content of breath.
The embodiment of the invention also provides a kind of transmission method of upstream data, this method includes:
Step 301:Receive the UE status indication information of the first access network elements transmission;
Wherein, the UE status indication information determines connection shape of the UE in subsequent interaction for the second access network elements State.
Here, first access network elements can be:Anchor point network element;Second access network elements can be:Service network element.
The embodiment of the present invention can switch before (path switch) is completed really according to the UE status indication information in path Determine the state of UE, and converts the state of UE.Such as:If the downlink data and upstream data that do not buffer, service network element can be with Message instruction UE is sent as early as possible to be maintained at inactive state and cease listening for down control channel, can reduce UE monitoring in this way The time of down control channel, to save the power consumption of UE.
Wherein, the UE status indication information includes one of following information or a variety of:
The size of the downlink data of the UE of first access network elements buffering;
Whether the first access network elements are cached with the downlink data of the UE;
The RRC state of UE converts instruction;
A part in one RRC information.
In one embodiment, as shown in figure 3, it is described receive the first access network elements send UE status indication information it Before, this method further includes:
Step 300:The information of UE up data buffer is sent to first access network elements.
In one embodiment, if the second access network elements, which determine that UE is subsequent according to the UE status indication information, to be kept Down control channel is monitored,
Then after the UE status indication information for receiving the transmission of the first access network elements, as shown in figure 4, this method is also wrapped It includes:
Step 302:By one of following information or a variety of it is sent to UE:
Whether need to monitor the instruction of down control channel;
The time migration of UE monitoring down control channel;
The time span of UE monitoring down control channel;
The DRX configuration information of UE monitoring down control channel.
In one embodiment, after the UE status indication information for receiving the transmission of the first access network elements, this method is also Including:
The UE temporal information for monitoring down control channel is notified into UE.
Wherein, it is following any information that the UE, which monitors the temporal information of down control channel,:
One time migration information;
One time migration information and a time span information;
One DRX configuration information, including DRX cycle, and in a DRX cycle monitor down control channel time Segment information.
As it can be seen that the UE temporal information for monitoring down control channel is also sent to UE by the embodiment of the present invention, without etc. It is sent after interaction of the network element to be serviced between anchor point network element and together with the RRC information of response UE, so that contention resolved fails UE can re-initiate RACH process as soon as possible, and the successful UE of contention resolved then monitors down control channel according to the UE Temporal information monitor down control channel, to save the battery consumption of UE.
The embodiment of the invention also provides a kind of transmission method of upstream data, this method includes:
The UE temporal information for monitoring down control channel is sent to UE by third access network elements.
Wherein, it is following any information that the UE, which monitors the temporal information of down control channel,:
One time migration information;
One time migration information and a time span information;
One DRX configuration information, including:DRX cycle, and in a DRX cycle monitor down control channel when Between segment information.
Here, the temporal information that the UE monitors down control channel is carried in the message in RACH access procedure In 4 (if access procedures based on four step RACH) or message 2 (if access procedure based on two step RACH).Certainly, It is also carried in a message after RACH access procedure.
The embodiment of the invention also provides a kind of transmission method of upstream data, this method includes:
Step 501:Receive the temporal information that the UE that third access network elements are sent monitors down control channel.
In one embodiment, as shown in figure 5, the UE monitoring down control channel for receiving third access network elements and sending Temporal information after, this method further includes:
Step 502:The temporal information of down control channel is monitored according to the UE, monitors down control channel.
The embodiment of the invention also provides a kind of transmitting devices of upstream data, for realizing above-described embodiment, into Went explanation repeat no more.As used below, the software and/or hardware of predetermined function may be implemented in term " module " Combination.As shown in fig. 6, the device includes:
First sending module 602, for UE status indication information to be sent to the second access network elements;
Wherein, the UE status indication information determines company of the UE in subsequent interaction for second access network elements Connect state.
In one embodiment, as shown in fig. 6, the device further includes:
UE status indication information is sent to the second access net for first sending module by the first receiving module 600 Before network element, the information for the UE up data buffer that the second access network elements are sent is received.
In one embodiment, as shown in fig. 7, the device further includes:
First determining module 601, for according to whether there is the downlink of the downlink data of the buffering of the UE or the buffering of the UE The information of the historical behavior information, and/or the UE up data buffer of the size of data, and/or the UE, determines the UE The content of status indication information.
The embodiment of the invention also provides a kind of transmitting device of upstream data, which includes:
Second receiving module 801, for receiving the UE status indication information of the first access network elements transmission;
Wherein, the UE status indication information determines connection shape of the UE in subsequent interaction for the second access network elements State.
In one embodiment, as shown in figure 8, the device further includes:
Second sending module 800 receives the UE state that the first access network elements are sent for second receiving module and refers to Before showing information, the information of UE up data buffer is sent to first access network elements.
In one embodiment, if the second access network elements, which determine that UE is subsequent according to the UE status indication information, to be kept Down control channel is monitored,
Second sending module 800 receives the UE shape that the first access network elements are sent in second receiving module 801 After state indicates information, it is also used to one of following information or a variety of is sent to UE:
Whether need to monitor the instruction of down control channel;
The time migration of UE monitoring down control channel;
The time span of UE monitoring down control channel;
The DRX configuration information of UE monitoring down control channel.
In one embodiment, second receiving module 801 receives the UE state instruction letter that the first access network elements are sent After breath,
Second sending module 800, the temporal information for being also used to monitor UE down control channel notify UE.
The embodiment of the invention also provides a kind of transmitting devices of upstream data, as shown in figure 9, the device includes:
Third sending module 901, the temporal information for UE to be monitored down control channel are sent to UE.
The embodiment of the invention also provides a kind of transmitting devices of upstream data, and as shown in Figure 10, which includes:
Third receiving module 1001, the UE for receiving the transmission of third access network elements monitor the time of down control channel Information.
In one embodiment, as shown in Figure 10, which further includes:
Module 1002 is monitored, the temporal information for monitoring down control channel according to the UE monitors downlink control letter Road.
The embodiment of the invention also provides a kind of access network elements, which includes:Fig. 6, upper line number described in 7 According to transmitting device.
The embodiment of the invention also provides a kind of access network elements, which includes:Upstream data described in Fig. 8 Transmitting device.
The embodiment of the invention also provides a kind of access network elements, which includes:Upstream data described in Fig. 9 Transmitting device.
The embodiment of the invention also provides a kind of terminal device, which includes:Upstream data described in Figure 10 Transmitting device.
Below with reference to concrete scene embodiment, present invention is described.
Embodiment 1
The UE that Figure 11 describes inactive state in the related technology initiates the process of transmitting uplink data in service network element, this When service network element and the anchor network element of UE be not the same access network elements:
The first step:The access procedure of RACH is initiated in cell (such as Cell A) of the UE in the case where servicing network element, and RACH's Message 3 (if access procedure based on four step RACH) or message 1 in access procedure is (if be based on two step RACH Access procedure) in carry following information:
The mark of UE;It can behave as the Context identifier (UE Context ID) or other in the RNA of access net of UE Can with the mark of the unique identification UE or it is other can be with the mark of the unique identification UE in a cell;
The upstream data of UE.
Optionally, it can also carry:The authentication information of UE, such as short MAC-I;
Optionally, it can also carry:UE initiates the reason of transmitting uplink data information (cause);
Optionally, it can also carry:The information (buffer status report, BSR) of UE up data buffer.
The form of the information carried in above-mentioned message 3 or message1 may include:
One RRC information, such as RRC connection recovery request (RRC connection resume request) message, should It include the reason of UE mark, UE authentication information and UE initiate transmitting uplink data information in message;Alternatively, one or more MAC CE is to carry UE mark, UE authentication information and cause information.
BSR MAC Control Element (BSR MAC CE);
Upstream data of the multiplexing in MAC PDU in the form of MAC SDU.
Second step:Receive the service network element information that receives of docking of message 3 or message 1 described in the first step into Row processing, including:
It identifies the mark of UE, and determines the anchor network element of UE by the mark of UE.
Network element is serviced by the control plane interface between anchor network element, the AS for obtaining UE is sent to the anchor network element Context request message, such as Retrieve UE context request message, and following letter is at least carried within the message Breath:UE mark.
Optionally, can also carry the authentication information of UE in the message, UE currently initiate RACH process cell information (example Such as PCI:Physical Cell Identifier Physical Cell ID).
Third step:The anchor network element of UE handles above-mentioned UE context request message, including:
Anchor network element determines the AS contextual information of UE, access stratum reticulare (AS) context (context) including UE, and According to the AS contextual information of UE and affiliated UE authentication information, certification inspection is carried out to the identity reality of UE.
If UE identity is upchecked, the anchor network element of the UE responds the service network element to obtain the AS of UE Context is receiveed the response, such as Retrieve UE Context Response message, and carries the upper and lower of UE within the message Literary information.
The AS contextual information of the UE includes but is not limited to:AS layers of safe context, the ERAB context of UE are believed Breath, RRC context (including PDCP, rlc protocol configuration information).
After service network element receives the contextual information of UE, established in the SRB and DRB that service network element is UE corresponding wireless User of access network face entity, including PDCP, RLC entity etc..
4th step:It services network element and sends message to UE;
Wherein, RRC information, such as RRC Resume message are carried in the message;The shape of UE is indicated in the RRC information State transitional information (state indication), such as:Instruction UE is transformed into RRC connected state or instruction UE is maintained at non-live Dynamic state (inactive state) or instruction UE are transformed into RRC Idle state (idle);And the RRC information include UE into Row state converts had to information and configuration.
Optionally, in the above-mentioned message for issuing UE, the e transition information of UE can also be indicated in the form of MAC CE.
It should be noted that the message 4 of the RRC information or MAC CE not necessarily during RACH (is based on Four step RACH processes) or message 2 (be based on two step RACH processes) in be sent to UE.
5th step:By UE and the connection migration of core net to service network element, including:
It services network element and initiates control plane process, such as path switch process to core net, will remain in anchor network element UE and core net connection migration to service network element.The path switch process will also delay anchor network element for UE The downlink data of punching is transferred to service network element.
For above method process, the present embodiment provides following methods to improve above-mentioned process.
In the third step of the above process, anchor network element also indicates service network element UE status indication information, the UE shape State indicates that information includes the one or more of following information:
The size of the downlink data of the UE of anchor network element buffering;The downlink data size of the UE is under each DRB The size of row data, the i.e. sum of the list of (DRB, downlink data size) or all DRB downlink data sizes;
Whether anchor network element is cached with the downlink data of the UE;Optionally, described whether to have downlink data be according to every A DRB indicated, i.e. the list of (DRB, if having downlink data);
The RRC state of UE converts instruction;Including:UE is converted to connected state (or being active state), or instruction by instruction UE is converted to Idle state (idle), or UE is maintained at inactive by instruction;
Optionally, if UE is maintained at inactive by instruction, UE status indication information further includes the one of following information Kind is a variety of:
Whether instruction UE needs to keep monitoring down control channel (PDCCH) a period of time, to receive in access net buffering Downlink data;
Indicate that UE keeps monitoring the time span information of down control channel;
Indicate that UE begins listening for the time migration information of down control channel;
Indicate that UE keeps monitoring DRX (discontinuous Reception) information of down control channel;, the DRX Information includes the size of DRX cycle, the location information that downlink data transmission signaling is monitored in DRX cycle.
A part in one RRC information, the content of the RRC information may include:UE state is converted from inactive To the RRC information of RRC connected state, UE state is transformed into the RRC information of RRC Idle state from inactive state, and by UE shape State is maintained at the RRC information of inactive.It services network element and the RRC information is transmitted to UE.
Optionally, in above-mentioned second step, service network element is also sent to the letter of anchor network element UE up data buffer Breath;The information of the UE up data buffer includes:UE passes through the BSR carried in the message 1 or message 3 Whether MAC CE, and/or UE need to send there are also upstream data, and/or UE needs to send the size of upstream data, and/or The logic channel for the upstream data that UE needs to send and the size of data of each logic channel.
Optionally, anchor network element is according to can be according to whether have under the downlink data of the buffering of the UE or the buffering of the UE The information of the size of row data, and/or the historical behavior information of the UE, and/or UE up data buffer is determined above-mentioned the The content of the UE status indication information of service network element is sent in three steps.
Wherein, the historical behavior information of the UE is:Behavior before the UE of anchor network element record refers to that UE's is upper and lower The business model (service model) of row data, i.e., time interval, the size of uplink and downlink data in the UE the past period Information.
Here, due to maintaining the connection established for UE between anchor network element and core net, if core net has data Access net is issued, then anchor network element then knows the (downlink data of buffering of the buffering situation of the downlink data of the UE Size).
In above-mentioned 4th step, service network member is believed according to the UE state instruction that anchor network element in above-mentioned third step provides Breath, adjudicates the RRC state of subsequent UE, and if UE is maintained at inactive state, if needs to keep UE to monitor downlink Control channel.
It keeps monitoring down control channel if necessary to UE, service network element is also sent to the one or more of the following information of UE Combination:
Whether need to monitor the instruction of down control channel;
The time migration of UE monitoring down control channel;
The time span of UE monitoring down control channel;
The DRX configuration information of UE monitoring down control channel.
It is the interim RNTI that UE is distributed during above-mentioned RACH that UE, which persistently monitors RNTI used in down control channel,.
It is found that being needed more when service network element judges the subsequent RRC state of UE and is maintained at the behavior of UE of inactive Complete information completes its judgement.And information (the UE of anchor network element buffering as described above of downlink data buffer area Downlink data size) and UE historical behavior information, be influence UE whether need enter connected state an important factor for, And being delivered in for these information above-mentioned is in the related technology missing from.
Although the downlink data for the buffering that service network element can obtain UE after completing above-mentioned path switch is big Small information, but path switch process needs the regular hour to complete, if before this in default of above-mentioned anchor net Member pass to service network element information, it is not necessary to UE is transformed into RRC connected state, or allow UE keep monitor downlink control letter Road can all cause the waste of UE battery.
Therefore, the method provided through this embodiment, service network element, which can be obtained quickly, is maintained at anchor network element Above- mentioned information, i.e., third step in the present embodiment, thus the state of decision UE that can be appropriate before path switch completion And convert the state of UE.Such as:If the downlink data and upstream data that do not buffer, service network element can send message as early as possible Instruction UE is maintained at inactive state and ceases listening for down control channel, can reduce UE in this way and monitor down control channel Time, to save the power consumption of UE.
Embodiment 2
Figure 12 is that four step RACH process schematics, Figure 13 are the signal of two step RACH processes in the related technology in the related technology Figure illustrates that UE sends the process of upstream data in inactive state by taking the four steps RACH process as an example:
The first step:UE sends message 1, including:
UE randomly chooses a preamble from the random access channel resource that cell configures, and in random access channel Upper transmission.
Second step:Access network elements receive the message 1 of UE transmission, respond message 2;
Wherein, the Message 2 is also known as RAR message (Random Access Response), carries in RAR message For the echo message of the UE preamble sent, the uplink authorization (UL grant) of the resource including sending message 3, And information (the timing advance of interim a RNTI (temp C-RNTI) and uplink timing adjustment command)。
Third step:UE sends message 3;
If UE receives the RAR echo message for its premable transmitted by message 1, according to timing Adjustment information adjustment sends the timing slip of uplink signal, and message 3 is sent in the resource of the uplink authorization.
The content of the message 3 includes:
The mark of UE;Showing as can be with the unique identification UE in the RNA of access net in UE Context ID or other Mark or it is other can be with the mark of the unique identification UE in a cell.
And the upstream data of UE.
Optionally, the content of the message 3 further includes:The authentication information of UE, such as short MAC-I.
Optionally, the content of the message 3 further includes:UE initiates the reason of transmitting uplink data information (cause)。
Optionally, the content of the message 3 further includes:Information (the buffer of UE up data buffer Status report, BSR).
4th step:Access network elements respond message 4;
Here, for the message 3 received, network side passes through the scrambled PDCCH signaling scheduling hair of temp C-RNTI The channel resource of message 4 is sent, UE obtains message 4 by the temp C-RNTI that detection receives in message 2 Scheduling information to receiving messag 4.
Include contention resolution MAC CE in the Message 4, includes to be used for UE in the MAC CE The mark of contention resolved, the UE for receiving message 4 check that the UE contention resolved identifies whether the contention resolved mark for oneself Know, if it is, this RACH process of UE successfully terminates, the otherwise this time contention resolved failure of RACH process.
In the related art, after message 4 is also by a RRC information is carried to update the AS configuration of UE, indicate UE The authentication information of continuous RRC state and offer access network elements.
The process shown in Figure 13 is similar with process shown in Figure 12, is sent to access net net in the first step UE of Figure 13 Information in the message 1 of member is that message 1 is superimposed with information in message3 in Figure 12;It is connect in the second step of Figure 13 Network element be sent to the information in the message 2 of UE be in Figure 12 in message 4 information it is similar, herein no longer in detail Description.
From the description above it is found that if the service network element where UE initiates the cell that upstream data is sent is different from UE's When anchor network element, as described in Example 1, services and need a series of interaction, ability between network element and the anchor network element of UE Determine the subsequent RRC state of UE and behavior.On the other hand, UE needs to confirm that service network element is not the access net net of a personation Member, it is therefore desirable to access network elements be authenticated, i.e. offer access network elements authentication information, and generate access network elements certification The code key of information is also required to be transmitted to service network element from anchor network element.
And in view of the interaction between service network element and anchor network element has delay, such as in the related art, the two Between unidirectional communication delay may be up to 100 milliseconds (ms), then multiple delay maximum can arrive several hundred milliseconds back and forth.
If message 4 could be sent by terminating interactive process between service network element and anchor network element, UE need this most It keeps monitoring down control channel in big several hundred milliseconds of the time, this consumes the battery of UE in vain.
More disadvantageously, UE can not during this period of time judge whether its RACH process succeeds or contention resolved loses It loses.Therefore, if UE contention resolved during current RACH has failed, (UE transmission is not successfully decoded in access net Message 3), UE can not continue to initiate new RACH process, to increase the delay that the UE sends upstream data.
For above-mentioned problem, present embodiments provide following method (in conjunction with shown in Figure 11 and Figure 14, be described below with For four step RACH processes):
The access network elements for receiving message 3 send the MAC CE (UE of contention resolved by message 4 Contention Resolution MAC CE), and carrying UE monitors the time letter of down control channel in message 4 Breath.
Receive the UE of message 4, if it is determined that the contention resolved that message 4 is carried is identified as the competition solution of the UE Award of bid is known, then the UE is according to the above-mentioned temporal information for monitoring down control channel, to monitor down control channel.
It may include as under type that the above-mentioned UE indicated in message 4, which monitors the temporal information of down control channel, It is a kind of:
One time migration information;That is UE is supervised since the time that the time for receiving the information adds the time migration Listen down control channel;
One time migration information and a time span information;I.e.:UE is from the time of the information is received plus described The time of time migration monitors down control channel within the time of the time span.It is default in time migration information When, the time offset value is 0;
One DRX configuration information, including DRX cycle, and in a DRX cycle monitor down control channel time Segment information (time migration, and/or, time span).UE each DRX configuration information indicate monitoring down control channel when Between down control channel is monitored in section.DRX configuration information can also include the effective time range information of the DRX or effective DRX number of repetition information.
It services scheduling of the network element after message 4 and sends the subsequent RRC state conversion for carrying instruction UE, Yi Jijie The RRC information or MAC CE of network element authentication information.
For example, according to the method for embodiment 1, the acquisition UE uplink that service network element is sent in the anchor network element for receiving UE After text is receiveed the response, above-mentioned RRC information or MAC CE are sent.
Due to the delay between above-mentioned service network element and anchor network element be it is relatively determining, service network element can according to Communication history between anchor network element is it is recognised that service the setting UE that network element can be appropriate in above-mentioned message4 Monitor the time of down control channel.
Figure 15 illustrates how to implement method provided in this embodiment based on during two step RACH.It simply retouches below It states as follows:
The access network elements for receiving message 1 send the MAC CE (UE of contention resolved by message 2 Contention Resolution MAC CE), and carrying UE monitors the time letter of down control channel in message 2 Breath.The content that the UE monitors the temporal information of down control channel is same as described above, no longer describes.
Receive the UE of message 2, if it is determined that the contention resolved that message 2 is carried is identified as the competition solution of the UE Award of bid is known, then the UE is according to the above-mentioned temporal information for monitoring down control channel, to monitor down control channel.
As it can be seen that the present embodiment is substantially the RRC information (such as RRC resume request) that will respond UE transmission It receives the response (such as RRC resume) and message 4 (message 2) relieves binding relationship.Under above-mentioned scene, Service network element can send messag 4 (message 2) instruction UE contention resolved mark within the shortest time, without It is sent after waiting interaction of the service network element between anchor network element and together with the RRC information of response UE;To contention resolved The UE of failure can re-initiate RACH process as soon as possible, and the successful UE of contention resolved is then according to side provided in this embodiment The temporal information of the monitoring down control channel indicated in method, i.e. message 4 (message 2), in suitable time window Down control channel is inside begun listening for, to save the battery consumption of UE.
Certainly, it during the present embodiment method is equally applicable to send downlink data under inactive state, is being sent to Instruction UE monitors the time of down control channel after receiving the MAC CE in any one downlink MAC CE of UE.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention Formula.Moreover, the present invention, which can be used, can use storage in the computer that one or more wherein includes computer usable program code The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims (30)

1. a kind of transmission method of upstream data, which is characterized in that this method includes:
User equipment (UE) status indication information is sent to the second access network elements;
Wherein, the UE status indication information determines connection shape of the UE in subsequent interaction for second access network elements State.
2. the method according to claim 1, wherein the UE status indication information includes one in following information Kind is a variety of:
The size of the downlink data of the UE of first access network elements buffering;
Whether the first access network elements are cached with the downlink data of the UE;
The radio resource control RRC state of UE converts instruction;
A part in one RRC information.
3. according to the method described in claim 2, it is characterized in that, the RRC state conversion of the UE is designated as:UE is protected in instruction It holds in inactive state, the UE status indication information further includes one of following information or a variety of:
Whether instruction UE needs to keep monitoring down control channel for a period of time;
Indicate that UE keeps monitoring the time span information of down control channel;
Indicate that UE begins listening for the time migration information of down control channel;
Indicate that UE keeps monitoring the discontinuous reception DRX information of down control channel.
4. the method according to claim 1, wherein described be sent to the second access net for UE status indication information Before network element, this method further includes:
Receive the information of the UE up data buffer of the second access network elements transmission.
5. according to the method described in claim 4, it is characterized in that, the information of the UE up data buffer includes following letter One of breath is a variety of:
The buffer status reporting physical address control unit BSR MAC CE that UE is carried by message 1 or message 3;
Whether UE needs to send there are also upstream data;
The size for the upstream data that UE needs to send;
The logic channel for the upstream data that UE needs to send and the size of data of each logic channel.
6. according to the method described in claim 4, it is characterized in that, described be sent to the second access net for UE status indication information Before network element, this method further includes:
According to whether having the size of the downlink data of the buffering of the UE or the downlink data of the buffering of the UE, and/or going through for the UE The information of history behavioural information, and/or the UE up data buffer determines the content of the UE status indication information.
7. a kind of transmission method of upstream data, which is characterized in that this method includes:
Receive the user equipment (UE) status indication information of the first access network elements transmission;
Wherein, the UE status indication information determines connection status of the UE in subsequent interaction for the second access network elements.
8. the method according to the description of claim 7 is characterized in that the UE status indication information includes one in following information Kind is a variety of:
The size of the downlink data of the UE of first access network elements buffering;
Whether the first access network elements are cached with the downlink data of the UE;
The radio resource control RRC state of UE converts instruction;
A part in one RRC information.
9. the method according to the description of claim 7 is characterized in that the UE state for receiving the transmission of the first access network elements refers to Before showing information, this method further includes:
The information of UE up data buffer is sent to first access network elements.
10. the method according to the description of claim 7 is characterized in that if the second access network elements refer to according to the UE state Show that information determines that UE is subsequent and to keep monitoring down control channel,
Then after the UE status indication information for receiving the transmission of the first access network elements, this method further includes:
By one of following information or a variety of it is sent to UE:
Whether need to monitor the instruction of down control channel;
The time migration of UE monitoring down control channel;
The time span of UE monitoring down control channel;
The DRX configuration information of UE monitoring down control channel.
11. the method according to the description of claim 7 is characterized in that the UE state for receiving the first access network elements and sending After indicating information, this method further includes:
The UE temporal information for monitoring down control channel is notified into UE.
12. according to the method for claim 11, which is characterized in that the temporal information that the UE monitors down control channel is Any information below:
Time migration information;
Time migration information and time span information;
DRX configuration information, including:DRX cycle, and in a DRX cycle monitor down control channel time segment information.
13. a kind of transmission method of upstream data, which is characterized in that this method includes:
The temporal information that user equipment (UE) monitors down control channel is sent to UE by third access network elements.
14. according to the method for claim 13, which is characterized in that the temporal information that the UE monitors down control channel is Any information below:
Time migration information;
Time migration information and time span information;
DRX configuration information, including:DRX cycle, and in a DRX cycle monitor down control channel time segment information.
15. a kind of transmission method of upstream data, which is characterized in that this method includes:
Receive the temporal information that the user equipment (UE) that third access network elements are sent monitors down control channel.
16. according to the method for claim 15, which is characterized in that the UE monitoring for receiving third access network elements and sending After the temporal information of down control channel, this method further includes:
The temporal information of down control channel is monitored according to the UE, monitors down control channel.
17. a kind of transmitting device of upstream data, which is characterized in that the device includes:
First sending module, for user equipment (UE) status indication information to be sent to the second access network elements;
Wherein, the UE status indication information determines connection shape of the UE in subsequent interaction for second access network elements State.
18. device according to claim 17, which is characterized in that the device further includes:
First receiving module, for first sending module by UE status indication information be sent to the second access network elements it Before, receive the information for the UE up data buffer that the second access network elements are sent.
19. device according to claim 18, which is characterized in that the device further includes:
First determining module, for according to whether there is the big of the downlink data of the buffering of the UE or the downlink data of the buffering of the UE The information of small, and/or the UE historical behavior information, and/or the UE up data buffer determines the UE state instruction The content of information.
20. a kind of transmitting device of upstream data, which is characterized in that the device includes:
Second receiving module, for receiving the user equipment (UE) status indication information of the first access network elements transmission;
Wherein, the UE status indication information determines connection status of the UE in subsequent interaction for the second access network elements.
21. device according to claim 20, which is characterized in that the device further includes:
Second sending module, for second receiving module receive the first access network elements send UE status indication information it Before, the information of UE up data buffer is sent to first access network elements.
22. device according to claim 20, which is characterized in that if the second access network elements refer to according to the UE state Show that information determines that UE is subsequent and to keep monitoring down control channel,
Second sending module receives the UE status indication information that the first access network elements are sent in second receiving module Later, it is also used to one of following information or a variety of is sent to UE:
Whether need to monitor the instruction of down control channel;
The time migration of UE monitoring down control channel;
The time span of UE monitoring down control channel;
The DRX configuration information of UE monitoring down control channel.
23. device according to claim 20, which is characterized in that second receiving module receives the first access network elements After the UE status indication information of transmission,
Second sending module, the temporal information for being also used to monitor UE down control channel notify UE.
24. a kind of transmitting device of upstream data, which is characterized in that the device includes:
Third sending module, the temporal information for user equipment (UE) to be monitored down control channel are sent to UE.
25. a kind of transmitting device of upstream data, which is characterized in that the device includes:
Third receiving module, the user equipment (UE) for receiving the transmission of third access network elements monitor the time of down control channel Information.
26. device according to claim 25, which is characterized in that the device further includes:
Module is monitored, the temporal information for monitoring down control channel according to the UE monitors down control channel.
27. a kind of access network elements, which is characterized in that the access network elements include:Described in any one of claim 17-19 The transmitting device of upstream data.
28. a kind of access network elements, which is characterized in that the access network elements include:Described in any one of claim 20-23 The transmitting device of upstream data.
29. a kind of access network elements, which is characterized in that the access network elements include:Upstream data described in claim 24 Transmitting device.
30. a kind of terminal device, which is characterized in that the terminal device includes:Upstream data described in claim 25 or 26 Transmitting device.
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