CN108377522A - A kind of information forward shifting method and base station - Google Patents

A kind of information forward shifting method and base station Download PDF

Info

Publication number
CN108377522A
CN108377522A CN201610959249.4A CN201610959249A CN108377522A CN 108377522 A CN108377522 A CN 108377522A CN 201610959249 A CN201610959249 A CN 201610959249A CN 108377522 A CN108377522 A CN 108377522A
Authority
CN
China
Prior art keywords
base station
information
downlink
caching
nas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610959249.4A
Other languages
Chinese (zh)
Other versions
CN108377522B (en
Inventor
孙建成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Priority to CN201610959249.4A priority Critical patent/CN108377522B/en
Publication of CN108377522A publication Critical patent/CN108377522A/en
Application granted granted Critical
Publication of CN108377522B publication Critical patent/CN108377522B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/02Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/02Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H04W36/023Buffering or recovering information during reselection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Abstract

The present invention provides a kind of information forward shifting method and base stations, are related to field of communication technology, the information forward shifting method, including:After the service range that the terminal in light connection status removes anchor base station, the downlink information of caching is obtained from the anchor base station, the downlink information of the caching includes:The Non-Access Stratum protocols data cell NAS PDU information of anchor base station caching and/or the downlink data of caching;The downlink information is sent to the terminal.Said program, by after the service range that the terminal in light connection status removes anchor base station, the current resident base station of terminal obtains the downlink informations such as downlink signaling or the downlink data of caching from anchor base station, and the downlink information is sent to terminal, such mode realizes information from anchor base station to the forward of resident base station, so that terminal is not in the loss of information in moving process, and then it ensure that the integrality of network communication.

Description

A kind of information forward shifting method and base station
Technical field
The present invention relates to field of communication technology, more particularly to a kind of information forward shifting method and base station.
Background technology
With smart mobile phone and other communication equipment numbers in long term evolution (Long Term Evolution, LTE) system The extensive growth of amount, caused big load signaling overheads have become limitation LTE network power system capacity and user data An important factor for experience further develops.Wherein a large amount of and frequent wireless heterogeneous networks (Radio Resource Control, RRC) connection is established and paging message transmission is the first cause for causing larger control signaling load.So in LTE Release14 conceptual phases introduce light connection (Light Connection) technology, the RRC to optimize LTE system connects Foundation and management process, mobility management process and paging are connect, to realize the purpose for mitigating system control signaling load.
It is that (User Equipment, UE can also be referred to as eventually user equipment in Light Connection technologies End) one is introduced in " centre " state between RRC connection status and RRC idle states, referred to as Light Connection states.The transformational relation of RRC connection status, RRC Light Connection states and RRC idle states is such as Shown in Fig. 1.When the UE in RRC connection status is after completing data transmission, network side can indicate it by dedicated signaling Into RRC Light Connection states.For Light Connection states, the context of UE will be saved in UE Side and network side.After, it, can be by previously stored UE contexts with smaller when UE needs to carry out business datum transmission Signalling exchange be restored to RRC connection status, avoid due in traditional LTE system UE when carrying out data transmission, need frequency Numerous initiation Initial R RC connections, and the serious control signaling load caused.
Following optimization aim will be realized in LTE system by Light Connection technologies:
RRC anchor points (anchor) or other network controls entities:For realizing network side to being in Light The UE contexts of Connection states UE are preserved;
The lower control signaling expense for mobile management;
The lower control signaling expense for paging;
Faster RRC connections foundation/resume speed, will meet the needs of following lower data transmission delay;
Light Connection states can realize " permanent online " business in future.
Clearly indicate that Light Connection states reply core net is transparent in current standardized conclusion, that is just meaned It after UE enters Light Connection states, S1 connections normally retain, and UE is in this state:
Downlink data directly can be dealt into current serving BS by S1-U from gateway (serving-GW) Data buffer storage is paged UE by (serving eNB, that is, anchor point eNB), anchor point eNB within the scope of mobile management, Downlink data is sent to UE after paging successfully.
Downlink signaling message, such as short message service (SMS) message, can be by S1-C connections directly from mobile management function (MME) anchor point eNB is issued, anchor point eNB caches signaling data, and pages UE within the scope of mobile management, pages successfully Downlink signaling is issued into UE afterwards.
Because not yet being determined about the range of RAN sidesway mobility managements (i.e. the sides RAN paging range) at present, it may be possible to come from A series of cells of one or more eNB, in some instances it may even be possible to be a tracking area list (TA list).But either which kind of, all may be used Can there is a possibility that UE moves out current anchor eNB ranges.Using current technology, if at current anchor point eNB at Work(pages UE, and downlink signaling or data, which are issued UE, later is not present any problem;But if UE is moved to non-anchor eNB Under, after successful page UE, existing technology can not be by downlink signaling or data forwarding to the base station of successful page UE and forwarding To UE.
Invention content
The technical problem to be solved in the present invention is to provide a kind of information forward shifting method and base station, to solve existing to work as UE It is moved under non-anchor eNB, it, can not be by the base of downlink signaling or data forwarding to successful page UE after successful page UE It stands and is transmitted to UE, the problem of to influence network communication.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of information forward shifting method, including:
After the service range that the terminal in light connection status removes anchor base station, obtains and cache from the anchor base station Downlink information, the downlink information of the caching includes:The Non-Access Stratum protocols data cell NAS-PDU letters of anchor base station caching The downlink data of breath and/or caching;
The downlink information is sent to the terminal.
Further, described to be obtained from the anchor base station when the downlink information includes at least one NAS-PDU information The step of downlink information for taking caching includes:
After the completion of paging, recycling terminal contexts solicited message RETRIEVE UE are sent to the anchor base station CONTEXT REQUEST;
The anchor base station is received according to the recycling terminal contexts solicited message, the response message of feedback, the sound It answers and carries at least one NAS-PDU information in message.
Further, described to be obtained from the anchor base station when the downlink information includes at least one NAS-PDU information The step of downlink information for taking caching includes:
In X2 pagings, the X2 paging requests that the anchor base station is sent are received, are carried in the X2 paging requests There is at least one NAS-PDU information.
Further, described to be obtained under caching from the anchor base station when the downlink information includes downlink data The step of row information includes:
After the completion of recycling terminal contexts process, the terminal for carrying the destination address that downlink data is sent or more is sent Literary release message gives the anchor base station;
The anchor base station is received in the downlink data for having caching, the downlink data fed back according to the destination address.
Further, the tunnel that the destination address is downlink general packet radio service tunnel agreement DL GTP is whole Node.
The embodiment of the present invention provides a kind of resident base station, including:
Acquisition module is used for after the service range that the terminal in light connection status removes anchor base station, from the anchor Point base stations obtain the downlink information of caching, and the downlink information of the caching includes:The Non-Access Stratum protocols number of anchor base station caching According to unit NAS-PDU information and/or the downlink data of caching;
First sending module, for the downlink information to be sent to the terminal.
Further, when the downlink information includes at least one NAS-PDU information, the acquisition module includes:
First transmission unit, for after the completion of paging, sending recycling terminal contexts to the anchor base station and asking Seek information RETRIEVE UE CONTEXT REQUEST;
First receiving unit, for receiving the anchor base station according to the recycling terminal contexts solicited message, feedback Response message, carry at least one NAS-PDU information in the response message.
Further, when the downlink information includes at least one NAS-PDU information, the acquisition module includes:
Second receiving unit, the X2 paging requests sent in X2 pagings, receiving the anchor base station are described At least one NAS-PDU information is carried in X2 paging requests.
Further, when the downlink information includes downlink data, the acquisition module includes:
Second transmission unit carries downlink data transmission for after the completion of recycling terminal contexts process, sending The terminal contexts release message of destination address gives the anchor base station;
Third receiving unit, for receiving the anchor base station in the downlink data for having caching, according to the destination The downlink data of location feedback.
Further, the tunnel that the destination address is downlink general packet radio service tunnel agreement DL GTP is whole Node.
The embodiment of the present invention provides a kind of information forward shifting method, including:
The paging triggering information that core-network side issues is received, the paging triggering information includes:Including Non-Access Stratum protocols The downlink signaling and/or downlink data of data cell NAS-PDU information;
After the service range that the terminal in light connection status removes anchor base station, information is triggered according to the paging, The downlink information of caching is sent to resident base station;Wherein, the downlink information of the caching includes:The NAS- of anchor base station caching The downlink data of PDU information and/or caching.
Further, when the downlink information includes at least one NAS-PDU information, the downlink letter for sending caching It ceases and includes to the step of resident base station:
After the completion of paging, receives and be resident the recycling terminal contexts solicited message RETRIEVE UE that base station is sent CONTEXT REQUEST;
According to the recycling terminal contexts solicited message, at least one NAS- is carried to the resident base station feedback The response message of PDU information.
Further, when the downlink information includes at least one NAS-PDU information, the downlink letter for sending caching It ceases and includes to the step of resident base station:
In X2 pagings, the X2 pagings for carrying at least one NAS-PDU information to the resident base station transmission are asked It asks.
Further, when the downlink information includes downlink data, the downlink information for sending caching is to resident base The step of standing include:
After the completion of recycling terminal contexts process, receive the resident base station transmission carries what downlink data was sent The terminal contexts release message of destination address;
Judge whether the downlink data of caching;
If there is the downlink data of caching, according to the destination address, the downlink data is fed back to described resident Base station.
Further, the tunnel that the destination address is downlink general packet radio service tunnel agreement DL GTP is whole Node.
The embodiment of the present invention provides a kind of anchor base station, including:
Receiving module triggers information for receiving the paging that core-network side issues, and the paging triggering information includes:Including The downlink signaling and/or downlink data of Non-Access Stratum protocols data cell NAS-PDU information;
Second sending module is used for after the service range that the terminal in light connection status removes anchor base station, according to The paging triggers information, sends the downlink information of caching to resident base station;Wherein, the downlink information of the caching includes:Anchor The NAS-PDU information of point base stations caching and/or the downlink data of caching.
Further, when the downlink information includes at least one NAS-PDU information, the second sending module packet It includes:
4th receiving unit is asked for after the completion of paging, receiving the recycling terminal contexts that resident base station is sent Seek information RETRIEVE UE CONTEXT REQUEST;
First feedback unit, for according to the recycling terminal contexts solicited message, being taken to the resident base station feedback Response message at least one NAS-PDU information.
Further, when the downlink information includes at least one NAS-PDU information, the second sending module packet It includes:
Third transmission unit, in X2 pagings, being sent to the resident base station and carrying at least one NAS- The X2 paging requests of PDU information.
Further, when the downlink information includes downlink data, second sending module includes:
5th receiving unit, for after the completion of recycling terminal contexts process, receiving taking for the resident base station transmission Terminal contexts release message with the destination address that downlink data is sent;
Judging unit, the downlink data for judging whether caching;
Second feedback unit, if the downlink data for there is caching, according to the destination address, by the lower line number According to feeding back to the resident base station.
Further, the tunnel that the destination address is downlink general packet radio service tunnel agreement DL GTP is whole Node.
The beneficial effects of the invention are as follows:
Said program, by the way that after the service range that the terminal in light connection status removes anchor base station, terminal is current Resident base station the downlink signaling or the downlink informations such as downlink data of caching are obtained from anchor base station, and the downlink information is sent To terminal, such mode realizes information from anchor base station to the forward of resident base station so that terminal will not in moving process There is information to lose, and then ensure that the integrality of network communication.
Description of the drawings
Fig. 1 shows the transformational relations of RRC connection status, RRC Light Connection states and RRC idle states to show It is intended to;
Fig. 2 indicates the flow diagram of the information forward shifting method of the embodiment of the present invention one;
Fig. 3 indicates the concrete application flow diagram of the realization method one of the step 21 of the embodiment of the present invention one;
Fig. 4 indicates the concrete application flow diagram of the realization method two of the step 21 of the embodiment of the present invention one;
Fig. 5 indicates the concrete application flow diagram of the realization method three of the step 21 of the embodiment of the present invention one;
Fig. 6 indicates the module diagram of the resident base station of the embodiment of the present invention two;
Fig. 7 indicates the structural schematic diagram of the resident base station of the embodiment of the present invention three;
Fig. 8 shows the flow diagrams of the information forward shifting method of the embodiment of the present invention four;
Fig. 9 indicates the module diagram of the anchor base station of the embodiment of the present invention five;
Figure 10 indicates the structural schematic diagram of the anchor base station of the embodiment of the present invention six.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the accompanying drawings and the specific embodiments The present invention is described in detail.
The present invention when UE is moved under non-anchor eNB, after successful page UE, can not believe downlink for existing It enables or data forwarding to the base station of successful page UE and is transmitted to UE, the problem of to influence network communication, provide a kind of information Forward shifting method and base station.
Embodiment one
As shown in Fig. 2, the embodiment of the present invention provides a kind of information forward shifting method, including:
Step 21, after the service range that the terminal in light connection status removes anchor base station, from the anchor base station Obtain the downlink information of caching;
It should be noted that the downlink information of the caching includes:The Non-Access Stratum protocols data sheet of anchor base station caching The downlink data of first (NAS-PDU) information and/or caching;
Step 22, the downlink information is sent to the terminal.
It should be noted that the information forward shifting method is applied to resident base station side, (i.e. terminal is removing anchor base station (original clothes Be engaged in base station) after, be moved to it is new be terminal service base station, that is, the current resident base station or non-anchor base station of terminal), And the application range of the embodiment is the terminal in light connection status;Because of the mobility of terminal, when terminal is constantly in anchor point It, can direct paging when anchor base station receives the downlink signaling or downlink data of core-network side when under the service range of base station Terminal finds and downlink signaling or downlink data is sent to terminal after terminal, but when terminal is out of the service model of anchor base station Enclose, since non-anchor base station will not directly receive the downlink signaling or downlink data that core net issues, so cannot achieve by Downlink signaling or downlink data are sent to terminal, and what the present embodiment was realized is by the downlink signaling of anchor base station side or lower line number According to non-anchor base station is forwarded to, smoothly to realize the purpose that the downlink signaling of core-network side or downlink data are sent to terminal. It should be noted that downlink signaling described in the present embodiment refers to including the downlink signaling of NAS-PDU information.In order to realize The forward of information present embodiments provides following three kinds of optional modes.
Mode one,
When the downlink information includes at least one NAS-PDU information, the realization process of the step 21 includes:
Step 211, after the completion of paging, recycling terminal contexts solicited message is sent to the anchor base station (RETRIEVE UE CONTEXT REQUEST);
Step 212, the anchor base station is received according to the recycling terminal contexts solicited message, and the response of feedback disappears It ceases, at least one NAS-PDU information is carried in the response message.
It should be noted that the response message is to recycle terminal contexts response message (RETRIEVE UE CONTEXT RESPONSE) in this way, need to only increase information element (IE) item in recycling terminal contexts response message and be used for taking Band NAS-PDU information, such as the IE can be named as NAS-PDU lists (NAS-PDU List), it should be noted that when It, only need to be in the information word of the recycling above-mentioned new definition of terminal contexts response message when NAS-PDU information that there are one anchor base stations This NAS-PDU information is carried in element;When anchor base station there are multiple NAS-PDU information, need to exist multiple NAS-PDU information It is sent to resident base station together in the information element of above-mentioned new definition.
As shown in figure 3, the specific implementation flow of which one in practical applications is:
Step 1.1, core net is issued to the anchor base station for the terminal for entering light connected states comprising NAS- The downlink signaling of PDU;
Step 1.2, anchor base station directly initiates paging (paging) to terminal;
Step 1.3, anchor base station sends X2 paging requests to resident base station;
It should be noted that anchor base station, when executing step 1.2 and step 1.3, there is no specific sequencings to close System, step 1.2 and step 1.3 can be the process being carried out at the same time.
Step 1.4, it is resident base station and initiates paging (paging) to terminal;
Step 1.5, the paging that terminal is initiated according to resident base station, random access are resident base station;
Step 1.6, it is resident base station and initiates recycling terminal contexts solicited message to anchor base station;
It should be noted that resident base station is to send recycling terminal contexts request to anchor base station by X2 interface.
Step 1.7, the information that anchor base station is provided according to resident base station, after being successfully found the contextual information of terminal, Recycling terminal contexts response message is sent to resident base station, and carries caching in the recycling terminal contexts response message NAS-PDU information;
Step 1.8, base station is resident after receiving recycling terminal contexts response message, which is answered The NAS-PDU information answered in message is sent to terminal by idle message.
It should be noted that mode one is realized by increasing NAS-PDU information in recycling terminal contexts response message NAS-PDU information does not introduce new signaling by anchor base station to the forward of resident base station, such mode, will not cause additional Signaling overheads.
Mode two,
When the downlink information includes at least one NAS-PDU information, the realization process of the step 21 is:
In X2 pagings, the X2 paging requests that the anchor base station is sent are received, are carried in the X2 paging requests There is at least one NAS-PDU information.
It should be noted that such mode is when anchor base station is initiated to page, directly the NAS-PDU information of caching is led to It crosses X2 paging requests and passes to resident base station in this way, only need to increase information element (IE) item in X2 paging requests For carrying NAS-PDU information, such as the IE can be named as NAS-PDU lists (NAS-PDU List), need to illustrate , when anchor base station only there are one NAS-PDU information when, only need to be taken in the information element of the above-mentioned new definition of X2 paging requests With this NAS-PDU information;When anchor base station is cached with multiple NAS-PDU information, need multiple NAS-PDU information upper It states in the information element newly defined and resident base station is sent to by X2 paging requests together.
As shown in figure 4, the specific implementation flow of which one in practical applications is:
Step 2.1, core net is issued to the anchor base station for the terminal for entering light connected states comprising NAS- The downlink signaling of PDU;
Step 2.2, anchor base station initiates paging (paging) to terminal;
Step 2.3, anchor base station sends X2 paging requests to resident base station, and caching is carried in the X2 paging requests NAS-PDU information;
It should be noted that anchor base station, when executing step 2.2 and step 2.3, there is no specific sequencings to close System, step 2.2 and step 2.3 can be the process being carried out at the same time.
Step 2.4, it is resident base station and initiates paging (paging) to terminal;
Step 2.5, terminal is resident base station according to the paging for being resident base station, random access;
Step 2.6, it is resident base station and initiates recycling terminal contexts solicited message to anchor base station;
It should be noted that resident base station is to send recycling terminal contexts request to anchor base station by X2 interface.
Step 2.7, the information that anchor base station is provided according to resident base station, after being successfully found the contextual information of terminal, Recycling terminal contexts response message is sent to resident base station;
Step 2.8, base station is resident after receiving recycling terminal contexts response message, is shown to page successfully, be stayed at this time Stay base station that the NAS-PDU information received in X2 pagings is sent to terminal by idle message.
It should be noted that mode two and mode one except that not to recycling terminal contexts in mode two Process is improved, and simply by NAS-PDU information is increased in X2 paging requests, realizes NAS-PDU information by anchor point base It stands to the forward of resident base station, such mode will not cause additional signaling overheads also without new signaling is introduced.
Mode three,
When the downlink information includes downlink data, the realization process of the step 21 includes:
Step 213, after the completion of recycling terminal contexts process, the destination address for carrying downlink data transmission is sent Terminal contexts release message gives the anchor base station;
It should be noted that after the contextual information before resident base station has obtained terminal, it is just aware of the number of terminal According to the configuration information of radio bearer (DRB), base station is resident when needing to do data forwarding, in the terminal sent to anchor base station The destination address that downlink data is sent hereafter is carried in release message, that is, carries downlink general packet radio service tunnel The tunnel destination node (DL GTP Tunnel Endpoint) of road agreement, to the transmission address of indicating downlink data.
Step 214, the anchor base station is received in the downlink data for having caching, under being fed back according to the destination address Row data.
It should be noted that carrying the terminal contexts of DL GTP Tunnel Endpoint when anchor base station receives and releasing When putting message, if itself there is the downlink data of caching to send out, by these DL GTP Tunnel Endpoint by downlink Data are sent to resident base station, if the downlink data not cached will be sent out, ignore these DL GTP Tunnel Endpoint。
As shown in figure 5, the specific implementation flow of which three in practical applications is:
Step 3.1, core net issues downlink data to the anchor base station for the terminal for entering light connected states;
Step 3.2, anchor base station initiates paging (paging) to terminal;
Step 3.3, anchor base station sends X2 paging requests to resident base station;
It should be noted that anchor base station, when executing step 3.2 and step 3.3, there is no specific sequencings to close System, step 3.2 and step 3.3 can be the process being carried out at the same time.
Step 3.4, it is resident base station and initiates paging (paging) to terminal;
Step 3.5, terminal is resident base station according to the paging for being resident base station, random access;
Step 3.6, it is resident base station and initiates recycling terminal contexts solicited message to anchor base station;
It should be noted that resident base station is to send recycling terminal contexts request to anchor base station by X2 interface.
Step 3.7, the information that anchor base station is provided according to resident base station, after being successfully found the contextual information of terminal, Recycling terminal contexts response message is sent to resident base station;
Step 3.8, if resident base station needs to carry out the forward of data, the DL GTP for carrying each carrying are sent The terminal contexts release message of Tunnel Endpoint is to anchor base station, it should be noted that the DL GTP Tunnel The purpose of Endpoint is the data forwarding for carrying out user plane;
Step 3.9, if anchor base station has the downlink data of caching to send out, by these GTP Tunnel by lower line number According to being sent to resident base station;Otherwise ignore the GTP Tunnel information;
Step 3.10, base station is resident in the downlink data for receiving forward, which is sent out by radio bearer Give terminal.
It should be noted that the information forward shifting method of the present embodiment will not cause additional letter without introducing new signaling Expense is enabled, need to only increase by one IE in existing signaling for carrying out the transmission of relevant information, such mode is simple and effective, can be with The data forwarding for supporting control plane and user plane well, avoids terminal and occurs loss of data in moving process, influence to use The case where family is experienced in this way, ensure that the integrality of network communication.
Embodiment two
As shown in fig. 6, the embodiment of the present invention provides a kind of resident base station 60, including:
Acquisition module 61, for after the service range that the terminal in light connection status removes anchor base station, from described Anchor base station obtains the downlink information of caching, and the downlink information of the caching includes:The Non-Access Stratum protocols of anchor base station caching The downlink data of data cell NAS-PDU information and/or caching;
First sending module 62, for the downlink information to be sent to the terminal.
Optionally, when the downlink information includes at least one NAS-PDU information, the acquisition module 61 includes:
First transmission unit, for after the completion of paging, sending recycling terminal contexts to the anchor base station and asking Seek information;
First receiving unit, for receiving the anchor base station according to the recycling terminal contexts solicited message, feedback Response message, carry at least one NAS-PDU information in the response message.
Optionally, when the downlink information includes at least one NAS-PDU information, the acquisition module 61 includes:
Second receiving unit, the X2 paging requests sent in X2 pagings, receiving the anchor base station are described At least one NAS-PDU information is carried in X2 paging requests.
Optionally, when the downlink information includes downlink data, the acquisition module 61 includes:
Second transmission unit carries downlink data transmission for after the completion of recycling terminal contexts process, sending The terminal contexts release message of destination address gives the anchor base station;
Third receiving unit, for receiving the anchor base station in the downlink data for having caching, according to the destination The downlink data of location feedback.
Specifically, the tunnel that the destination address is downlink general packet radio service tunnel agreement DL GTP terminates Point.
It should be noted that the embodiment of the resident base station is to be resident base correspondingly with above-mentioned embodiment of the method It stands, all realization methods can also reach identical skill suitable for the embodiment of the resident base station in above method embodiment Art effect.
Embodiment three
As shown in fig. 7, the embodiment of the present invention provides a kind of resident base station, including:
Processor 71;And the memory 73 being connected with the processor 71 by bus interface 72, the memory 73 for storing the processor 71 used program and data when executing operation, when processor 71 calls and executes described When the program and data that are stored in memory 73, following process is executed:
After the service range that the terminal in light connection status removes anchor base station, obtains and cache from the anchor base station Downlink information, the downlink information of the caching includes:The Non-Access Stratum protocols data cell NAS-PDU letters of anchor base station caching The downlink data of breath and/or caching;
The downlink information is sent to the terminal by transceiver 74.
It should be noted that the processor 71 is additionally operable to realize the work(of any one other module of above-mentioned resident base station Energy.
It should be noted that transceiver 74 is connect with bus interface 72, for sending downlink under the control of processor 71 Information.
It should be noted that in the figure 7, bus architecture may include the bus and bridge of any number of interconnection, specifically by The various circuits for the memory that the one or more processors and memory 73 that processor 71 represents represent link together.Bus Framework can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, These are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.Transmitting-receiving Machine 74 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 71 is responsible for bus architecture and common processing, and memory 73 can store processor 71 and execute Used data when operation.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side The instruction of some or all of step of method;And the computer program can be stored in a readable storage medium storing program for executing, storage medium It can be any type of storage medium.
Example IV
As shown in figure 8, the embodiment of the present invention provides a kind of information forward shifting method, it is applied to anchor base station side, including:
Step 81, the paging triggering information that core-network side issues is received, the paging triggering information includes:Including non-access The downlink signaling and/or downlink data of layer protocol data cell NAS-PDU information;
Step 88, it after the service range that the terminal in light connection status removes anchor base station, is touched according to the paging Photos and sending messages send the downlink information of caching to resident base station;Wherein, the downlink information of the caching includes:Anchor base station caches NAS-PDU information and/or caching downlink data.
Optionally, when the downlink information includes at least one NAS-PDU information, the step 88 includes:
After the completion of paging, receives and be resident the recycling terminal contexts solicited message that base station is sent;
According to the recycling terminal contexts solicited message, at least one NAS- is carried to the resident base station feedback The response message of PDU information.
Optionally, when the downlink information includes at least one NAS-PDU information, the step 88 includes:
In X2 pagings, the X2 pagings for carrying at least one NAS-PDU information to the resident base station transmission are asked It asks.
Optionally, when the downlink information includes downlink data, the step 88 includes:
After the completion of recycling terminal contexts process, receive the resident base station transmission carries what downlink data was sent The terminal contexts release message of destination address;
Judge whether the downlink data of caching;
If there is the downlink data of caching, according to the destination address, the downlink data is fed back to described resident Base station.
Specifically, the tunnel that the destination address is downlink general packet radio service tunnel agreement DL GTP terminates Point.
Wherein, in above-described embodiment one, the description of all about anchor base station is suitable for the letter for applying anchor base station In the embodiment for ceasing forward shifting method, it can also reach same technique effect.
Embodiment five
As shown in figure 9, the embodiment of the present invention provides a kind of anchor base station 90, including:
Receiving module 91 triggers information for receiving the paging that core-network side issues, and the paging triggering information includes:Packet The downlink signaling and/or downlink data of the NAS-PDU information of data cell containing Non-Access Stratum protocols;
Second sending module 92 is used for after the service range that the terminal in light connection status removes anchor base station, root Information is triggered according to the paging, sends the downlink information of caching to resident base station;Wherein, the downlink information of the caching includes: The NAS-PDU information of anchor base station caching and/or the downlink data of caching.
Optionally, when the downlink information includes at least one NAS-PDU information, second sending module 92 wraps It includes:
4th receiving unit is asked for after the completion of paging, receiving the recycling terminal contexts that resident base station is sent Seek information;
First feedback unit, for according to the recycling terminal contexts solicited message, being taken to the resident base station feedback Response message at least one NAS-PDU information.
Optionally, when the downlink information includes at least one NAS-PDU information, second sending module 92 wraps It includes:
Third transmission unit, in X2 pagings, being sent to the resident base station and carrying at least one NAS- The X2 paging requests of PDU information.
Optionally, when the downlink information includes downlink data, second sending module 92 includes:
5th receiving unit, for after the completion of recycling terminal contexts process, receiving taking for the resident base station transmission Terminal contexts release message with the destination address that downlink data is sent;
Judging unit, the downlink data for judging whether caching;
Second feedback unit, if the downlink data for there is caching, according to the destination address, by the lower line number According to feeding back to the resident base station.
Specifically, the tunnel that the destination address is downlink general packet radio service tunnel agreement DL GTP terminates Point.
It should be noted that the embodiment of the anchor base station is and the one-to-one anchor point base of above-mentioned embodiment of the method It stands, all realization methods can also reach identical skill suitable for the embodiment of the anchor base station in above method embodiment Art effect.
Embodiment six
As shown in Figure 10, the embodiment of the present invention provides a kind of anchor base station, including:
Processor 101;And the memory 103 being connected with the processor 101 by bus interface 102, it is described to deposit Reservoir 103 is for storing the processor 101 used program and data when executing operation, when processor 101 calls simultaneously When executing the program and data that are stored in the memory 103, following process is executed:
The paging that core-network side issues is received by transceiver 104 and triggers information, and the paging triggering information includes:Including The downlink signaling and/or downlink data of Non-Access Stratum protocols data cell NAS-PDU information;
After the service range that the terminal in light connection status removes anchor base station, information is triggered according to the paging, The downlink information of caching is sent to resident base station by transceiver 104;Wherein, the downlink information of the caching includes:Anchor point base The NAS-PDU information of caching of standing and/or the downlink data of caching.
It should be noted that the processor 101 is additionally operable to realize the work(of any one other module of above-mentioned anchor base station Energy.
It should be noted that transceiver 104 is connect with bus interface 102, sought for being received under the control of processor 101 It exhales triggering information and sends downlink information.
It should be noted that in Fig. 10, bus architecture may include the bus and bridge of any number of interconnection, specifically by The various circuits for the memory that the one or more processors and memory 103 that processor 101 represents represent link together.Always Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can also be linked at one by line architecture It rises, these are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.It receives Hair machine 104 can be multiple element, that is, include transmitter and transceiver, provide for over a transmission medium with various other devices The unit of communication.Processor 101 is responsible for bus architecture and common processing, and memory 103 can store processor 101 and exist Execute used data when operation.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side The instruction of some or all of step of method;And the computer program can be stored in a readable storage medium storing program for executing, storage medium It can be any type of storage medium.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist In protection scope of the present invention.

Claims (20)

1. a kind of information forward shifting method, which is characterized in that including:
After the service range that the terminal in light connection status removes anchor base station, obtained under caching from the anchor base station The downlink information of row information, the caching includes:The Non-Access Stratum protocols data cell NAS-PDU information of anchor base station caching And/or the downlink data of caching;
The downlink information is sent to the terminal.
2. information forward shifting method according to claim 1, which is characterized in that when the downlink information includes at least one When NAS-PDU information, described the step of obtaining the downlink information cached from the anchor base station, includes:
After the completion of paging, recycling terminal contexts solicited message RETRIEVE UE are sent to the anchor base station CONTEXT REQUEST;
The anchor base station is received according to the recycling terminal contexts solicited message, the response message of feedback, the response disappears At least one NAS-PDU information is carried in breath.
3. information forward shifting method according to claim 1, which is characterized in that when the downlink information includes at least one When NAS-PDU information, described the step of obtaining the downlink information cached from the anchor base station, includes:
In X2 pagings, receive the X2 paging requests that the anchor base station is sent, carried in the X2 paging requests to Few NAS-PDU information.
4. information forward shifting method according to claim 1, which is characterized in that when the downlink information includes downlink data When, it is described to include from the step of downlink information of anchor base station acquisition caching:
After the completion of recycling terminal contexts process, the terminal contexts for sending the destination address for carrying downlink data transmission are released Message is put to the anchor base station;
The anchor base station is received in the downlink data for having caching, the downlink data fed back according to the destination address.
5. information forward shifting method according to claim 4, which is characterized in that the destination address is general point of downlink The tunnel destination node of group Radio Service Tunneling Protocol DL GTP.
6. a kind of resident base station, which is characterized in that including:
Acquisition module is used for after the service range that the terminal in light connection status removes anchor base station, from the anchor point base It stands and obtains the downlink information of caching, the downlink information of the caching includes:The Non-Access Stratum protocols data sheet of anchor base station caching The downlink data of first NAS-PDU information and/or caching;
First sending module, for the downlink information to be sent to the terminal.
7. resident base station according to claim 6, which is characterized in that when the downlink information includes at least one NAS- When PDU information, the acquisition module includes:
First transmission unit, for after the completion of paging, recycling terminal contexts request letter to be sent to the anchor base station Cease RETRIEVE UE CONTEXT REQUEST;
First receiving unit, for receiving the anchor base station according to the recycling terminal contexts solicited message, the sound of feedback Message is answered, at least one NAS-PDU information is carried in the response message.
8. resident base station according to claim 6, which is characterized in that when the downlink information includes at least one NAS- When PDU information, the acquisition module includes:
Second receiving unit, the X2 paging requests sent in X2 pagings, receiving the anchor base station, the X2 are sought It calls for carrying at least one NAS-PDU information in asking.
9. resident base station according to claim 6, which is characterized in that when the downlink information includes downlink data, institute Stating acquisition module includes:
Second transmission unit, for after the completion of recycling terminal contexts process, sending the purpose for carrying downlink data transmission The terminal contexts release message of address gives the anchor base station;
Third receiving unit, it is anti-according to the destination address for receiving the anchor base station in the downlink data for having caching The downlink data of feedback.
10. resident base station according to claim 9, which is characterized in that the destination address is downlink general packet The tunnel destination node of Radio Service Tunneling Protocol DL GTP.
11. a kind of information forward shifting method, which is characterized in that including:
The paging triggering information that core-network side issues is received, the paging triggering information includes:Including Non-Access Stratum protocols data The downlink signaling and/or downlink data of unit NAS-PDU information;
After the service range that the terminal in light connection status removes anchor base station, information is triggered according to the paging, is sent The downlink information of caching gives resident base station;Wherein, the downlink information of the caching includes:The NAS-PDU letters of anchor base station caching The downlink data of breath and/or caching.
12. information forward shifting method according to claim 11, which is characterized in that when the downlink information includes at least one When NAS-PDU information, the downlink information for sending caching includes to the step of resident base station:
After the completion of paging, receives and be resident the recycling terminal contexts solicited message RETRIEVE UE that base station is sent CONTEXT REQUEST;
According to the recycling terminal contexts solicited message, at least one NAS-PDU letters are carried to the resident base station feedback The response message of breath.
13. information forward shifting method according to claim 11, which is characterized in that when the downlink information includes at least one When NAS-PDU information, the downlink information for sending caching includes to the step of resident base station:
In X2 pagings, the X2 paging requests for carrying at least one NAS-PDU information are sent to the resident base station.
14. information forward shifting method according to claim 11, which is characterized in that when the downlink information includes downlink data When, the downlink information for sending caching includes to the step of resident base station:
After the completion of recycling terminal contexts process, the purpose for carrying downlink data transmission that the resident base station is sent is received The terminal contexts release message of address;
Judge whether the downlink data of caching;
If the downlink data is fed back to the resident base station by the downlink data that there is caching according to the destination address.
15. information forward shifting method according to claim 14, which is characterized in that the destination address is that downlink is general The tunnel destination node of packet radio service tunnel agreement DL GTP.
16. a kind of anchor base station, which is characterized in that including:
Receiving module triggers information for receiving the paging that core-network side issues, and the paging triggering information includes:Including non-connect Enter the downlink signaling and/or downlink data of layer protocol data cell NAS-PDU information;
Second sending module is used for after the service range that the terminal in light connection status removes anchor base station, according to described Paging triggering information, sends the downlink information of caching to resident base station;Wherein, the downlink information of the caching includes:Anchor point base The NAS-PDU information of caching of standing and/or the downlink data of caching.
17. anchor base station according to claim 16, which is characterized in that when the downlink information includes at least one NAS- When PDU information, second sending module includes:
4th receiving unit, for after the completion of paging, receiving the recycling terminal contexts request letter be resident base station and sent Cease RETRIEVE UE CONTEXT REQUEST;
First feedback unit, for according to the recycling terminal contexts solicited message, being carried to the resident base station feedback The response message of at least one NAS-PDU information.
18. anchor base station according to claim 16, which is characterized in that when the downlink information includes at least one NAS- When PDU information, second sending module includes:
Third transmission unit, in X2 pagings, being sent to the resident base station and carrying at least one NAS-PDU letters The X2 paging requests of breath.
19. anchor base station according to claim 16, which is characterized in that when the downlink information includes downlink data, Second sending module includes:
5th receiving unit, for after the completion of recycling terminal contexts process, receiving carrying for the resident base station transmission The terminal contexts release message for the destination address that downlink data is sent;
Judging unit, the downlink data for judging whether caching;
Second feedback unit, if the downlink data for there is caching, anti-by the downlink data according to the destination address It feeds the resident base station.
20. anchor base station according to claim 19, which is characterized in that the destination address is downlink general packet The tunnel destination node of Radio Service Tunneling Protocol DL GTP.
CN201610959249.4A 2016-11-03 2016-11-03 Information forwarding method and base station Active CN108377522B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610959249.4A CN108377522B (en) 2016-11-03 2016-11-03 Information forwarding method and base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610959249.4A CN108377522B (en) 2016-11-03 2016-11-03 Information forwarding method and base station

Publications (2)

Publication Number Publication Date
CN108377522A true CN108377522A (en) 2018-08-07
CN108377522B CN108377522B (en) 2020-02-07

Family

ID=63016061

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610959249.4A Active CN108377522B (en) 2016-11-03 2016-11-03 Information forwarding method and base station

Country Status (1)

Country Link
CN (1) CN108377522B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111615188A (en) * 2019-02-22 2020-09-01 华为技术有限公司 Data transmission method, device and computer storage medium
CN111727629A (en) * 2020-05-11 2020-09-29 北京小米移动软件有限公司 Base station switching method, device, communication equipment and storage medium
CN111935745A (en) * 2020-08-12 2020-11-13 上海共进信息技术有限公司 Method for optimizing moving performance of terminal across base stations
WO2023220941A1 (en) * 2022-05-17 2023-11-23 北京小米移动软件有限公司 Data forwarding information transmission method and apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104581620A (en) * 2013-10-16 2015-04-29 北京三星通信技术研究有限公司 Location information based service providing method, device and system as well as terminal device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104581620A (en) * 2013-10-16 2015-04-29 北京三星通信技术研究有限公司 Location information based service providing method, device and system as well as terminal device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QUALCOMM INCORPORATED: "《3GPP TSG-RAN WG3 Meeting #93bis,R3-162482》", 14 October 2016 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111615188A (en) * 2019-02-22 2020-09-01 华为技术有限公司 Data transmission method, device and computer storage medium
CN111615188B (en) * 2019-02-22 2021-10-01 华为技术有限公司 Data transmission method, device and computer storage medium
CN111727629A (en) * 2020-05-11 2020-09-29 北京小米移动软件有限公司 Base station switching method, device, communication equipment and storage medium
CN111727629B (en) * 2020-05-11 2022-10-11 北京小米移动软件有限公司 Base station switching method, device, communication equipment and storage medium
CN111935745A (en) * 2020-08-12 2020-11-13 上海共进信息技术有限公司 Method for optimizing moving performance of terminal across base stations
CN111935745B (en) * 2020-08-12 2024-04-12 太仓市同维电子有限公司 Method for realizing terminal cross-base station mobile performance optimization
WO2023220941A1 (en) * 2022-05-17 2023-11-23 北京小米移动软件有限公司 Data forwarding information transmission method and apparatus

Also Published As

Publication number Publication date
CN108377522B (en) 2020-02-07

Similar Documents

Publication Publication Date Title
US11632788B2 (en) Data scheduling method, base station, and system
WO2021057389A1 (en) Dual connectivity management method and communication apparatus
EP3672327B1 (en) Method and device for processing non-matching between ue and network state
US11716703B2 (en) Paging method and paging device
CN107734639B (en) A kind of paging method, paging processing method, terminal and base station
WO2019237999A1 (en) Transmission link management, establishment, and migration methods, apparatus, node, and storage medium
WO2018127030A1 (en) Method and device for notification of information about ran-based notification area
CN107231623A (en) A kind of data dispatching method, base station and system
CN108377522A (en) A kind of information forward shifting method and base station
US20220369410A1 (en) Efficient Context Handling for RRC-Inactive in 5G
WO2018170911A1 (en) Method and apparatus for configuring power consumption parameter
WO2021189235A1 (en) Data transmission method and apparatus, and communication device
US20230108725A1 (en) Method and apparatus for data transmission
EP3920585B1 (en) Communication system handover method, network device, apparatus and medium
CN110859012A (en) Method, device and system for rate control
JP7013474B2 (en) Context release methods, devices and systems
CN108282828B (en) A kind of position management method and device
US20230328789A1 (en) Busy indication transmission method and apparatus
CN107005906B (en) Data transmission and network access method, related equipment and system
CN108307452A (en) Connect restoration methods and device, base station, user terminal
WO2022206007A1 (en) Relay communication method and apparatus, and storage medium and relay
JP2023527196A (en) NETWORK SWITCHING METHOD, APPARATUS, COMMUNICATION DEVICE AND SYSTEM
CN104053146B (en) The activation of slight area carrier and anti-activating method and equipment
WO2023185794A1 (en) Communication processing method, terminal, and network side device
CN114071604B (en) Data transmission method, device, apparatus and storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 100191 40 Xueyuan Road, Shijingshan District, Beijing

Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Address before: 100191 40 Xueyuan Road, Shijingshan District, Beijing

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

CP01 Change in the name or title of a patent holder
TR01 Transfer of patent right

Effective date of registration: 20210603

Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing

Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd.

Address before: 100191 40 Xueyuan Road, Shijingshan District, Beijing

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

TR01 Transfer of patent right