CN109756942A

CN109756942A - A kind of switching method, terminal and the network equipment

Info

Publication number: CN109756942A
Application number: CN201910165158.7A
Authority: CN
Inventors: 周帅; 吴佳兴; 吴大鹏; 崔亚平
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2019-05-14
Anticipated expiration: 2039-03-05
Also published as: CN109756942B

Abstract

The present invention provides a kind of switching method, terminal and the network equipments, it solves under the mobile background of vehicle high-speed, user can be continually performed cell handover operations, according to existing cell handover scheme, it will cause great signaling overheads, and be difficult to the problem of meeting the business demand of car networking low time delay.The switching method of the embodiment of the present invention includes: to switch to target DU by source DU in the case where triggering distributed unit DU switching.In the case where triggering DU switching, terminal can directly switch over the embodiment of the present invention with DU, need not move through core net, reduce signaling overheads and handover delay, so as to meet the business demand of car networking low time delay.

Description

A kind of switching method, terminal and the network equipment

Technical field

The present invention relates to the technical field of communications applications more particularly to a kind of switching methods, terminal and the network equipment.

Background technique

Mobile management in current cellular networks depends on the net assisted by user equipment (User Equipment, UE) Network controlling mechanism, under the mechanism, the reference signal that user equipment periodically measures neighboring community according to network configuration is received Power (Reference Signal Receiving Power, RSRP) or Reference Signal Received Quality (Reference Signal Receiving Quality, RSRQ).After filtering and handling metrical information, if meeting the switching of some cell Trigger condition, then UE sends the information about measurement by measurement report to core net.Then, core net passes through dedicated (Radio Resource Control, RRC) signaling command UE execution mobility event.

When executing cell switching every time, it can all generate a large amount of signaling and flow through core net and access net, however in vehicle Under the background of high-speed mobile, user can be continually performed cell handover operations, according to above-mentioned cell handover scheme, will cause greatly Signaling overheads, and be difficult to meet the business demand of car networking low time delay.

Summary of the invention

The purpose of the present invention is to provide a kind of switching method, terminal and the network equipments, mobile in vehicle high-speed to solve Background under, user can be continually performed cell handover operations, according to existing cell handover scheme, will cause great signaling and open Pin, and it is difficult to the problem of meeting the business demand of car networking low time delay.

In a first aspect, being applied to terminal the embodiment of the invention provides a kind of switching method, comprising:

In the case where triggering distributed unit DU switching, target DU is switched to by source DU.

Second aspect, the embodiment of the invention provides a kind of switching methods, are applied to target distribution formula cells D U, comprising:

In the case where triggering DU switching, connection is established with terminal.

The third aspect, the embodiment of the invention provides a kind of switching methods, are applied to source distribution formula cells D U, comprising:

It in the case where triggering DU switching, is indicated according to the release that the CU connecting with target DU is sent, release and terminal Connection.

The third aspect, the embodiment of the invention provides a kind of terminals, comprising:

Switching module, for switching to target DU by source DU in the case where triggering distributed unit DU switching.

5th aspect, the embodiment of the invention provides a kind of terminals, comprising: memory, processor and is stored in memory Computer program that is upper and can running on a processor, is realized as described above when the computer program is executed by the processor The step of switching method applied to terminal.

6th aspect, the embodiment of the invention provides a kind of network equipment, the network equipment is target distribution formula unit DU, comprising:

Link block, for establishing connection with terminal in the case where triggering DU switching.

7th aspect, the embodiment of the invention provides a kind of network equipment, the network equipment is source distribution formula cells D U, Include:

Release module, for being indicated according to the release that the CU connecting with target DU is sent in the case where triggering DU switching, The connection of release and terminal.

Eighth aspect, the embodiment of the invention provides a kind of network equipments, comprising: memory, processor and is stored in On reservoir and the computer program that can run on a processor, realized when the computer program is executed by the processor as above Described the step of being applied to switching method described in the side target DU or the source side DU.

9th aspect, it is described computer-readable to deposit the embodiment of the invention also provides a kind of computer readable storage medium It is stored with computer program on storage media, is realized when the computer program is executed by processor and is applied to terminal as described above The step of switching method described in side, the side target DU or the source side DU.

In this way, the switching method of the embodiment of the present invention, in the case where triggering DU switching, terminal is directly switched to by source DU Target DU, i.e., in the case where triggering DU switching, terminal can directly be switched over DU, needed not move through core net, reduced Signaling overheads and handover delay, so as to meet the business demand of car networking low time delay.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is one of the flow diagram of switching method of the embodiment of the present invention；

Fig. 2 is one of the interaction schematic diagram of switching method of the embodiment of the present invention；

Fig. 3 is the two of the interaction schematic diagram of the switching method of the embodiment of the present invention；

Fig. 4 is the schematic diagram for configuring DU group in the embodiment of the present invention by window；

Fig. 5 is the schematic diagram that window changes with vehicle movement in the embodiment of the present invention；

Fig. 6 is that the DU in the embodiment of the present invention switches schematic diagram；

Fig. 7 is the two of the flow diagram of the switching method of the embodiment of the present invention；

Fig. 8 is the three of the flow diagram of the switching method of the embodiment of the present invention；

Fig. 9 is the modular structure schematic diagram of terminal in the embodiment of the present invention；

Figure 10 is the structural block diagram of terminal in the embodiment of the present invention；

Figure 11 is one of the module diagram of the network equipment of the embodiment of the present invention；

Figure 12 is the two of the module diagram of the network equipment of the embodiment of the present invention；

Figure 13 is the structural block diagram of the network equipment of the embodiment of the present invention.

Specific embodiment

The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention It is fully disclosed to those skilled in the art.

Term " first ", " second " in the description and claims of this application etc. are for distinguishing similar right As without being used to describe a particular order or precedence order.It should be understood that the data used in this way in the appropriate case can be with It exchanges, so that embodiments herein described herein can be with the sequence reality other than those of illustrating or describe herein It applies.In addition, term " includes " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, packet The process, method, system, product or equipment for having contained a series of steps or units those of be not necessarily limited to be clearly listed step or Unit, but may include other steps being not clearly listed or intrinsic for these process, methods, product or equipment or Unit."and/or" indicates at least one of institute's connecting object in specification and claim.

The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims.It can be right The function and arrangement of the element discussed makes change without departing from spirit and scope of the present disclosure.Various examples can be appropriately Omit, substitute or add various regulations or component.For example, described side can be executed in order of different from described Method, and can add, save or combine various steps.In addition, the feature referring to described in certain examples can be in other examples In be combined.

As shown in Figure 1, being applied to terminal the embodiment of the invention provides a kind of switching method, which can be specially Car-mounted terminal, the switching method include:

Step 101: in the case where triggering distributed unit DU switching, target DU being switched to by source DU.

In the embodiment of the present invention, the condition of triggering DU switching is included at least one of the following:

The Reference Signal Received Quality RSRQ of target DU is greater than RSRQ threshold value；

The sum of the Reference Signal Received Power RSRP of source DU and the first offset are less than the RSRP of target DU；

The sum of the RSRP of the corresponding source centralized unit CU of source DU and second offset are less than target DU, and corresponding target tightening The RSRP of unit CU.

Here, after terminal carries out channel quality measurement, in the case where triggering DU switching, terminal is independently established with target DU Connection, and discharge the connection with source DU.

The switching method of the embodiment of the present invention, in the case where triggering DU switching, terminal directly switches to target by source DU DU, i.e., in the case where triggering DU switching, terminal can directly be switched over DU, needed not move through core net, reduced signaling Expense and handover delay, so as to meet the business demand of car networking low time delay.

It is above-mentioned in the case where triggering distributed unit DU switching as the first optional implementation, it is cut by source DU Shift to target DU, comprising:

In the case where triggering DU switching, if target DU belongs to different centralized unit CU from source DU, to target distribution Formula cells D U sends the first information, and the first information includes the configuration information of the terminal；

The second information is received, second information includes the configuration information of the target DU, and second information is described Target DU is sent according to the first information；

According to the configuration information of the target DU, target DU is switched to by source DU.

The above-mentioned first information and the second information can be specially the interaction letter in random access procedure between terminal and base station Breath.For example, the first information can be random access request information, the second information can be random access response information.

The configuration information of above-mentioned target DU may include the ID of target DU, and the configuration information of above-mentioned terminal may include terminal ID.

When the switching due to CU leads to the switching of DU, for example, the RSRP and second of the corresponding source centralized unit CU of source DU When the sum of offset is less than the RSRP of corresponding target tightening the unit CU of target DU, terminal is first and target DU carries out information exchange, Terminal obtains the configuration information of target DU, and target DU obtains the configuration information of terminal, the two obtain mutual configuration information it Afterwards, terminal directly can switch to target DU by source DU according to the configuration information of target DU.

Further, in the implementation, according to the configuration information of target DU, target DU is switched to by source DU, comprising:

It receives the DU that target DU is sent and accesses instruction；

According to the configuration information of DU access instruction and the target DU, connection is established with the target DU, and discharge With the connection of the source DU；

DU access instruction confirmation is sent to the target DU.

Illustrating the handoff procedure of DU in the implementation below with reference to Fig. 2, wherein DU1 is source DU, and DU2 is target DU, CU is the CU connecting with DU2.

As shown in Fig. 2, the handoff procedure, comprising:

Step 201: in the case where triggering DU switching, terminal and target DU carry out information exchange, obtain matching for target DU Confidence breath.

Specifically, information exchange is carried out by random access procedure between terminal and purpose DU, to obtain matching for target DU Confidence breath, such as the ID of target DU.

Step 202: target DU sends DU access instruction to terminal.

Step 203: terminal is accessed according to DU and is indicated, after accessing target DU, sends access instruction confirmation to target DU.

Step 204: the CU that target DU is connected sends release instruction to source DU.

Step 205: the connection of source DU release and terminal sends release to the CU being connect with target DU and completes information.

The switching method of the embodiment of the present invention, terminal can directly be switched over DU, after switching CU again with source DU and Target DU carries out Signalling exchange, greatly reduces handover delay.

Further, described in the case where triggering distributed unit DU switching, before switching to target DU by source DU, also Include:

The configuration information of each DU in the DU group independently switched for terminal is obtained, the DU group includes at least two DU, And the target DU and the source DU belong to the DU group.

In the embodiment of the present invention, before terminal independently switch, terminal can be configured to by core net and independently switched DU group in each DU configuration information, which may include the ID of DU.Specifically, independently being switched in terminal Before, context configuration can be carried out to terminal and DU by core net, terminal is apprised of can independently be switched with which DU, together Reason, which UE DU, which is apprised of, has the permission independently switched.

Fig. 3 is the signal deployment process of the DU group independently switched for terminal.As shown in figure 3, the signal deployment process packet It includes:

Step 301:CU sends DU group to multiple DU and prepares instruction.

Step 302: receiving the DU that DU group prepares instruction, send DU group to CU and prepare confirmation.

Here, after receiving the executable autonomous switching service of DU confirmation that DU group prepares instruction, DU group is sent to CU and is prepared Confirmation.

The configuration information of DU each in DU group is sent to terminal by step 303:CU.

Step 304: terminal sends the configuration of DU group to CU and completes information.

Here, before terminal independently switch, CU and DU group is interacted, the executable autonomous switching service of confirmation DU group And the ID of DU in autonomous switching DU group is stored, the DU list that the UE of CU configuration later can independently switch simultaneously is sent to terminal.

It is above-mentioned in the case where triggering distributed unit DU switching as second of optional implementation based on this, by Source DU switches to target DU, comprising:

In the case where triggering DU switching, if target DU and source DU belong to identical centralized unit CU, according to the DU The configuration information of target DU in group switches to target DU by source DU.

Specifically, establishing connection with the target DU, and discharge the company with the source DU according to the configuration information of target DU It connects.

Here, after terminal carries out channel quality test, if meeting the trigger condition of triggering DU switching, and target DU and source DU belongs to the same CU, and when target DU and source DU are the DU in above-mentioned DU group, terminal is according to target DU in the DU group Configuration information independently switches to target DU by source DU, i.e., according to the configuration information of target DU in the DU group, independently with the mesh Mark DU establishes connection, and discharges the connection with the source DU, which needs not move through core net, reduce signaling overheads with And handover delay, so as to meet the business demand of car networking low time delay.

Further, in the embodiment of the present invention, the switching of DU be not it is entirely autonomous, can be by core net prescribed terminal Whether the permission that independently switches, trigger condition of triggering DU switching etc. are had.

Based on this, the above-mentioned configuration information according to target DU in the DU group switches to target DU by source DU, comprising:

In the case where the terminal has autonomous switching permission, according to the configuration information of target DU in the DU group, by Source DU switches to target DU.

Here, can independently be switched if terminal is configured as, after terminal carries out channel quality test, if The trigger condition for meeting triggering DU switching switches to target DU by source DU then according to the configuration information of target DU in the DU group.

Preferably, each DU in the DU group is respectively less than distance threshold at a distance from the terminal current location.

In a specific embodiment of the present invention, when terminal enters a certain CU, CU can be to prepare to be used for terminal for terminal The DU group independently switched, but since CU can not know when terminal leaves the CU, many ready DU can become in vain, thus Cause the waste of resource.For this problem, a kind of method that the embodiment of the present invention proposes dynamic configuration DU, i.e. DU group are according to end Dynamic configuration is carried out in the position at end.For example, dynamic configuration is located at terminal two sides, and it is less than distance at a distance from terminal current location The preset quantity DU of threshold value is DU group.

It may include preset quantity DU in the window, for example, including in the window as shown in figure 4, can configure a window 7 DU, which is the movement with terminal and movement, as shown in figure 5, DU included in the window is with vehicle Mobile and variation, i.e., selection preset quantity is apart from the closer DU of terminal current location as DU group.

In the embodiment of the present invention, according to the movement of terminal, dynamic configuration is used as apart from the closer several DU of terminal for certainly The DU of main switching, to achieve the purpose that save DU resource.

The handoff procedure of the embodiment of the present invention is illustrated below with reference to Fig. 6.

Vehicle network termination (such as vehicle) needs to switch in different distributions formula unit during traveling, to protect What card and access were netted is reliably connected.The condition of handover trigger has following a few classes: (1) being added or exit distributed unit: vehicle net Terminal carries out channel quality measurement, is added or exits distributed base station compared with threshold value according to RSRQ.(2) it is cut between difference DU It changes: using the RSRP between target DU and service DU plus offset (amount of bias between target candidate cell and current persistent district) It is compared.Because RSRQ is greater than threshold value in DU coverage area, compares and receive power.Application scenarios DU switching caused by switching including the DU switching under same centralized unit and by CU.

As shown in fig. 6, when car-mounted terminal detects that the RSRQ of DU1 is greater than threshold value (DU1_RSRQ> th) when, then DU1 is added. When car-mounted terminal progress channel quality measurement, DU2 is detected_RSRP> DU1_RSRPWhen+offset, execute under the same CU covering DU switching, is switched to DU2 by DU1.Work as CU2_RSRP> CU1_RSRPWhen+offset, CU switching is executed, CU2 is switched to by CU1.Work as vehicle Mounted terminal carries out channel quality measurement, detects that the RSRQ of DU4 is greater than threshold value (DU4_RSRQ> th) when, then DU4 is added, then examines The RSRQ for measuring DU4 is less than or equal to threshold value (DU4_RSRQ≤ th) when, discharge DU4.

Wherein, DU1_RSRPIndicate the RSRP, DU1 of DU1_RSRQIndicate the RSRQ, CU1 of DU1_RSRPIndicate the RSRP of CU1, CU2_RSRPIndicate that the RSRP of CU2, th indicate threshold value, DU4_RSRQIndicate DU4's_RSRQ, DU2_RSRPIndicate the RSRP of DU2.

As shown in fig. 7, being applied to target DU the embodiments of the present invention also provide a kind of switching method, comprising:

Step 701: in the case where triggering DU switching, establishing connection with terminal.

Here, in the case where triggering DU switching, target DU and terminal independently establish connection, need not move through core net, subtract Signaling overheads and handover delay are lacked, so as to meet the business demand of car networking low time delay.

Further, in the case where triggering DU switching, connection is established with terminal, comprising:

In the case where triggering DU switching and target DU belong to different centralized unit CU from source DU, receives terminal and send The first information, the first information includes the configuration information of the terminal；

According to the first information, the second information is sent, second information includes the configuration information of the target DU；

According to the configuration information of the terminal, connection is established with the terminal.

When the switching due to CU leads to the switching of DU, for example, the RSRP and second of the corresponding source centralized unit CU of source DU When the sum of offset is less than the RSRP of corresponding target tightening the unit CU of target DU, terminal and target DU carry out information exchange, eventually End obtains the configuration information of target DU, and target DU obtains the configuration information of terminal, after the two obtains mutual configuration information, Terminal directly can switch to target DU by source DU according to the configuration information of target DU.

Further, according to the configuration information of the terminal, connection is established with the terminal, comprising:

According to the configuration information of the terminal, Xiang Suoshu terminal sends DU access instruction；

It obtains DU access and indicates that confirmation, the DU access instruction confirmation are the terminals according to DU access instruction access It is sent after the target DU.

Here, target DU and the interaction flow of terminal have carried out specifically in the embodiment of the method for above-mentioned terminal side Bright, details are not described herein again.

Further, described in the case where triggering DU switching, it is established before connection with terminal, further includes:

It receives the DU group that the CU connecting with the target DU is sent and prepares instruction；

Prepare to indicate according to the DU group, determines that the DU is a DU in the DU group independently switched for terminal, and DU group, which is sent, to the CU connecting with the target DU prepares confirmation.

Above-mentioned DU group prepares instruction for confirming whether DU can be used for independently switching, if above-mentioned DU sends DU group and prepares confirmation Then show that the DU can be used for independently switching.

The signal deployment process is described in detail in the embodiment of the method for above-mentioned terminal side, no longer superfluous herein It states.

Further, each DU in the DU group is respectively less than distance threshold at a distance from the terminal current location.

Obtain the configuration information of preconfigured terminal.

Specifically, the information such as the ID of the terminal can be obtained by core net.

According to the configuration information of terminal, connection is established with the terminal.

Here, before terminal independently switch, context configuration, terminal quilt can be carried out to terminal and DU by core net Informing can independently be switched with which DU, and similarly, which UE DU is apprised of with the permission that independently switches, and can be into The ID for the terminal that row independently switches is sent to DU by CU.

The switching method of the embodiment of the present invention, in the case where triggering DU switching, target DU and terminal independently establish connection, Core net is needed not move through, signaling overheads and handover delay are reduced, so as to meet the business demand of car networking low time delay.

As shown in figure 8, being applied to source distribution formula cells D U the embodiment of the invention also provides a kind of switching method, comprising:

Step 801: in the case where triggering DU switching, being indicated according to the release that the CU connecting with target DU is sent, release With the connection of terminal.

The condition of triggering DU switching includes at least one of the following:

Further, discharge with after the connection of terminal, further includes:

Release, which is sent, to the CU connecting with the target DU completes information.

Specifically, receiving the release instruction that the CU connecting with target DU is sent in the case where triggering DU switching；According to institute State release instruction, the connection of release and the terminal；Release, which is sent, to the CU connecting with the target DU completes information.

In the embodiment of the present invention, in the case where triggering DU switching, referred to according to the release that the CU connecting with target DU is sent Show, release and the connection of terminal need not move through core net, reduce signaling to realize switching of the terminal by source DU to target DU Expense and handover delay, so as to meet the business demand of car networking low time delay.

Fig. 9 is the module diagram of the terminal of the embodiment of the present invention, as shown in figure 9, the embodiments of the present invention also provide A kind of terminal 900, comprising:

Switching module 901, for switching to target DU by source DU in the case where triggering distributed unit DU switching.

The terminal of the embodiment of the present invention, the switching module 901 include:

First sending submodule is used in the case where triggering DU switching, if target DU belongs to different concentrations from source DU Unit CU then sends the first information to target distribution formula cells D U, and the first information includes the configuration information of the terminal；

First receiving submodule, for receiving the second information, second information includes the configuration information of the target DU, Second information is that the target DU is sent according to the first information；

Switching submodule switches to target DU by source DU for the configuration information according to the target DU.

The terminal of the embodiment of the present invention, the switching submodule include:

First receiving unit, for receiving the DU access instruction of target DU transmission；

Processing unit is built for the configuration information according to DU access instruction and the target DU with the target DU Vertical connection, and discharge the connection with the source DU；

First transmission unit, for sending DU access instruction confirmation to the target DU.

The terminal of the embodiment of the present invention, further includes:

First obtains module, for switching module in the case where triggering distributed unit DU switching, is switched to by source DU Before target DU, the configuration information of each DU in the DU group independently switched for terminal is obtained, the DU group includes at least two DU, and the target DU and the source DU belong to the DU group.

The terminal of the embodiment of the present invention, the switching module are used in the case where triggering DU switching, if target DU and source DU belongs to identical centralized unit CU, then according to the configuration information of target DU in the DU group, switches to target DU by source DU.

The terminal of the embodiment of the present invention, the switching module are used to have the case where autonomous switching permission in the terminal Under, according to the configuration information of target DU in the DU group, target DU is switched to by source DU.

The terminal of the embodiment of the present invention, each DU in the DU group be respectively less than at a distance from the terminal current location away from From threshold value.

The condition of the terminal of the embodiment of the present invention, triggering DU switching includes at least one of the following:

The terminal of the embodiment of the present invention, in the case where triggering DU switching, terminal directly switches to target DU by source DU, i.e., Trigger DU switching in the case where, terminal can directly be switched over DU, need not move through core net, reduce signaling overheads with And handover delay, so as to meet the business demand of car networking low time delay.

In order to preferably realize above-mentioned purpose, further, a kind of terminal of Figure 10 each embodiment to realize the present invention Hardware structural diagram, which includes but is not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, The components such as processor 1010 and power supply 1011.It will be understood by those skilled in the art that terminal structure shown in Figure 10 is not The restriction of structure paired terminal, terminal may include perhaps combining certain components or difference than illustrating more or fewer components Component layout.In embodiments of the present invention, terminal includes but is not limited to car-mounted terminal.

Wherein, radio frequency unit 101, for the sending and receiving data under the control of processor 1010；

Processor 1010, for switching to target DU by source DU in the case where triggering distributed unit DU switching.

It should be understood that the embodiment of the present invention in, radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal Send and receive, specifically, by from base station downlink data receive after, to processor 1010 handle；In addition, by uplink Data are sent to base station.In general, radio frequency unit 101 includes but is not limited to antenna, at least one amplifier, transceiver, coupling Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 101 can also by wireless communication system and network and other set Standby communication.

Terminal provides wireless broadband internet by network module 102 for user and accesses, and such as user is helped to receive and dispatch electricity Sub- mail, browsing webpage and access streaming video etc..

Audio output unit 103 can be received by radio frequency unit 101 or network module 102 or in memory 109 The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 103 can also provide and end The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that end 100 executes.Sound Frequency output unit 103 includes loudspeaker, buzzer and receiver etc..

Input unit 104 is for receiving audio or video signal.Input unit 104 may include graphics processor (Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or network module 102.Mike Wind 1042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be The format output that mobile communication base station can be sent to via radio frequency unit 101 is converted in the case where telephone calling model.

Terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other sensors. Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light Light and shade adjusts the brightness of display panel 1061, and proximity sensor can close display panel when terminal 100 is moved in one's ear 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add The size of speed can detect that size and the direction of gravity when static, can be used to identify terminal posture (such as horizontal/vertical screen switching, Dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Sensor 105 can be with Including fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, thermometer, Infrared sensor etc., details are not described herein.

Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.

User input unit 107 can be used for receiving the number or character information of input, and generates and set with the user of terminal It sets and the related key signals of function control inputs.Specifically, user input unit 107 include touch panel 1071 and other Input equipment 1072.Touch panel 1071, also referred to as touch screen, collect user on it or nearby touch operation (such as User is using any suitable objects or attachment such as finger, stylus on touch panel 1071 or near touch panel 1071 Operation).Touch panel 1071 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus is examined The touch orientation of user is surveyed, and detects touch operation bring signal, transmits a signal to touch controller；Touch controller from Touch information is received on touch detecting apparatus, and is converted into contact coordinate, then gives processor 1010, receives processor 1010 orders sent simultaneously are executed.Furthermore, it is possible to a variety of using resistance-type, condenser type, infrared ray and surface acoustic wave etc. Type realizes touch panel 1071.In addition to touch panel 1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can include but is not limited to physical keyboard, function key (such as volume control button, Switch key etc.), trace ball, mouse, operating stick, details are not described herein.

Further, touch panel 1071 can be covered on display panel 1061, when touch panel 1071 is detected at it On or near touch operation after, send processor 1010 to determine the type of touch event, be followed by subsequent processing 1010 basis of device The type of touch event provides corresponding visual output on display panel 1061.Although in Figure 10, touch panel 1071 with Display panel 1061 is the function that outputs and inputs of realizing terminal as two independent components, but in some embodiments In, touch panel 1071 and display panel 1061 can be integrated and be realized the function that outputs and inputs of terminal, specifically herein not It limits.

Interface unit 108 is the interface that external device (ED) is connect with terminal 100.For example, external device (ED) may include it is wired or Wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, memory card port, For connecting port, the port audio input/output (I/O), video i/o port, ear port of the device with identification module Etc..Interface unit 108 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and will One or more elements that the input received is transferred in terminal 100 or can be used for terminal 100 and external device (ED) it Between transmit data.

Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.

Processor 1010 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection, By running or execute the software program and/or module that are stored in memory 109, and calls and be stored in memory 109 Data, execute terminal various functions and processing data, thus to terminal carry out integral monitoring.Processor 1010 may include one A or multiple processing units；Preferably, processor 1010 can integrate application processor and modem processor, wherein application The main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.It can With understanding, above-mentioned modem processor can not also be integrated into processor 1010.

Terminal 100 can also include the power supply 1011 (such as battery) powered to all parts, it is preferred that power supply 1011 can With logically contiguous by power-supply management system and processor 1010, thus charged, discharged by power-supply management system realization management, And the functions such as power managed.

In addition, terminal 100 includes some unshowned functional modules, details are not described herein.

Preferably, the embodiment of the present invention also provides a kind of terminal, including processor 1010, and memory 109 is stored in storage On device 109 and the computer program that can be run on the processor 1010, when which is executed by processor 1010 It realizes each process of above- mentioned information transmission method embodiment, and identical technical effect can be reached, to avoid repeating, here not It repeats again.Wherein, terminal can be wireless terminal and be also possible to catv terminal, and wireless terminal can be directed to user and provide voice And/or the equipment of other business datum connectivity, there is the handheld device of wireless connecting function or be connected to wireless-modulated solution Adjust other processing equipments of device.Wireless terminal can through wireless access network (Radio Access Network, RAN) with one or Multiple cores net is communicated, and wireless terminal can be mobile terminal, such as mobile phone (or be " honeycomb " phone) and is had The computer of mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile dress It sets, they exchange language and/or data with wireless access network.For example, personal communication service (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session Initiation Protocol, SIP) phone, Wireless local loop (Wireless Local Loop, WLL) stands, personal digital assistant (Personal Digital Assistant, PDA) etc. equipment.Wireless terminal is referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device or User Equipment), herein not It limits.

The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium Calculation machine program realizes each process of above- mentioned information transmission method embodiment, and energy when the computer program is executed by processor Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only Read memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk Or CD etc..

As shown in figure 11, the embodiment of the invention also provides a kind of network equipment, the network equipment is target distribution formula Cells D U, comprising:

Link block 1101, for establishing connection with terminal in the case where triggering DU switching.

The network equipment of the embodiment of the present invention, the link block include:

Second receiving submodule, for switching in triggering DU, and target DU belongs to different centralized unit CU's from source DU In the case of, the first information that terminal is sent is received, the first information includes the configuration information of the terminal；

Second sending submodule, for sending the second information according to the first information, second information includes described The configuration information of target DU；

It connects submodule and establishes connection with the terminal for the configuration information according to the terminal.

The network equipment of the embodiment of the present invention, the connection submodule include:

Second transmission unit, for the configuration information according to the terminal, Xiang Suoshu terminal sends DU access instruction；

Second receiving unit, for obtaining DU access instruction confirmation, DU access instruction confirmation be the terminal according to It is sent after the DU access instruction access target DU.

The network equipment of the embodiment of the present invention, further includes:

Receiving module, for the link block before establishing connection with terminal, what reception was connect with the target DU The DU group that CU is sent prepares instruction；

Determining module determines that the DU is the DU group independently switched for terminal for preparing to indicate according to the DU group In a DU, and send DU group to the CU that connect with the target DU and prepare to confirm.

The network equipment of the embodiment of the present invention, each DU in the DU group are small at a distance from the terminal current location In distance threshold.

Second obtains module, for obtaining matching for preconfigured terminal before link block and terminal establish connection Confidence breath.

The network equipment of the embodiment of the present invention, the connection mould are used for the configuration information according to terminal, build with the terminal Vertical connection.

The network equipment of the embodiment of the present invention, in the case where triggering DU switching, target DU and terminal independently establish connection, Core net is needed not move through, signaling overheads and handover delay are reduced, so as to meet the business demand of car networking low time delay.

The embodiment of the invention also provides a kind of network equipments, comprising: memory, processor and storage are on a memory simultaneously The computer program that can be run on a processor, the computer program are realized above-mentioned applied to mesh when being executed by the processor Each process in the embodiment of the method for the switching method of the side DU is marked, and identical technical effect can be reached, to avoid repeating, this In repeat no more.

The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium Computer program is contained, the computer program realizes that the above-mentioned switching method applied to the side target DU is real when being executed by processor Each process in example is applied, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the meter Calculation machine readable storage medium storing program for executing, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc..

As shown in figure 12, the embodiment of the invention also provides a kind of network equipment 1200, the network equipment is source distribution Formula cells D U, comprising:

Release module 1201, the release for being sent according to the CU being connect with target DU in the case where triggering DU switching Instruction, the connection of release and terminal.

Sending module is sent for release module release with after the connection of terminal to the CU connecting with the target DU Information is completed in release.

The network equipment of the embodiment of the present invention is sent in the case where triggering DU switching according to the CU connecting with target DU Release instruction, release needs not move through core net, subtracts with the connection of terminal to realize switching of the terminal by source DU to target DU Signaling overheads and handover delay are lacked, so as to meet the business demand of car networking low time delay.

The embodiment of the invention also provides a kind of network equipments, comprising: memory, processor and storage are on a memory simultaneously The computer program that can be run on a processor, the computer program are realized above-mentioned applied to source when being executed by the processor Each process in the embodiment of the method for the switching method of the side DU, and identical technical effect can be reached, to avoid repeating, here It repeats no more.

The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium Computer program is contained, the computer program realizes that the above-mentioned switching method applied to the side source DU is implemented when being executed by processor Each process in example, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the calculating Machine readable storage medium storing program for executing, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc..

As shown in figure 13, the embodiments of the present invention also provide a kind of network equipment 1300, the shown network equipment is DU, packet Include processor 1301, transceiver 1302, memory 1303 and bus interface, in which:

When the network equipment is target DU, processor 1301, for reading the program in memory 1303, under execution Column process:

Optionally, the processor 1301 reads the program in memory 1303, is also used to execute:

Optionally, each DU in the DU group is respectively less than distance threshold at a distance from the terminal current location.

Obtain the configuration information of preconfigured terminal.

When the network equipment is source DU, processor 1301 executes following for reading the program in memory 1303 Process: it in the case where triggering DU switching, is indicated according to the release that the CU connecting with target DU is sent, the company of release and terminal It connects.

After release and the connection of terminal, further includes:

In Figure 13, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1301 generation of processor The various circuits for the memory that the one or more processors and memory 1303 of table represent link together.Bus architecture may be used also To 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, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1302 can To be multiple element, that is, includes transmitter and receiver, the list for communicating over a transmission medium with various other devices is provided Member.

It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or device.

Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.

The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form belongs within protection of the invention.

Claims

1. a kind of switching method is applied to terminal characterized by comprising

2. switching method according to claim 1, which is characterized in that in the case where triggering distributed unit DU switching, Target DU is switched to by source DU, comprising:

In the case where triggering DU switching, if target DU belongs to different centralized unit CU from source DU, to target distribution formula list First DU sends the first information, and the first information includes the configuration information of the terminal；

The second information is received, second information includes the configuration information of the target DU, and second information is the target DU is sent according to the first information；

3. switching method according to claim 2, which is characterized in that the configuration information according to target DU, by source DU Switch to target DU, comprising:

It receives the DU that target DU is sent and accesses instruction；

According to the configuration information of DU access instruction and the target DU, connection, and release and institute are established with the target DU State the connection of source DU；

DU access instruction confirmation is sent to the target DU.

4. switching method according to claim 1, which is characterized in that described the case where triggering distributed unit DU switching Under, it is switched to before target DU by source DU, further includes:

The configuration information of each DU in the DU group independently switched for terminal is obtained, the DU group includes at least two DU, and institute It states target DU and the source DU belongs to the DU group.

5. switching method according to claim 4, which is characterized in that in the case where triggering distributed unit DU switching, Target DU is switched to by source DU, comprising:

In the case where triggering DU switching, if target DU and source DU belong to identical centralized unit CU, according in the DU group The configuration information of target DU switches to target DU by source DU.

6. switching method according to claim 5, which is characterized in that it is described according in the DU group target DU match confidence Breath, switches to target DU by source DU, comprising:

In the case where the terminal has autonomous switching permission, according to the configuration information of target DU in the DU group, by source DU Switch to target DU.

7. switching method according to claim 4, which is characterized in that each DU and the terminal in the DU group are current The distance of position is respectively less than distance threshold.

8. switching method according to claim 1, which is characterized in that the condition of triggering DU switching includes following at least one :

The sum of the RSRP of the corresponding source centralized unit CU of source DU and second offset are less than corresponding target tightening the unit of target DU The RSRP of CU.

9. a kind of switching method is applied to target distribution formula cells D U characterized by comprising

10. switching method according to claim 9, which is characterized in that in the case where triggering DU switching, established with terminal Connection, comprising:

In triggering DU switching and in the case that target DU belongs to different centralized unit CU from source DU, the of terminal transmission is received One information, the first information include the configuration information of the terminal；

11. switching method according to claim 10, which is characterized in that and described according to the configuration information of the terminal Terminal establishes connection, comprising:

It obtains DU access and indicates that confirmation, the DU access instruction confirmation are the terminals according to DU access instruction access It is sent after target DU.

12. switching method according to claim 9, which is characterized in that it is described in the case where triggering DU switching, with terminal It establishes before connection, further includes:

According to the DU group prepare indicate, determine that the DU is a DU in the DU group independently switched for terminal, and to The CU of the target DU connection sends DU group and prepares confirmation.

13. switching method according to claim 12, which is characterized in that each DU in the DU group works as with the terminal The distance of front position is respectively less than distance threshold.

14. switching method according to claim 9, which is characterized in that described to be established before connection with terminal, further includes:

Obtain the configuration information of preconfigured terminal.

15. switching method according to claim 14, which is characterized in that described to establish connection with terminal, comprising:

16. a kind of switching method is applied to source distribution formula cells D U characterized by comprising

In the case where triggering DU switching, indicated according to the release that the CU connecting with target DU is sent, the connection of release and terminal.

17. switching method according to claim 16, which is characterized in that after release and the connection of terminal, further includes:

18. a kind of terminal characterized by comprising

19. terminal according to claim 18, which is characterized in that the switching module includes:

First sending submodule is used in the case where triggering DU switching, if target DU belongs to different centralized units from source DU CU then sends the first information to target distribution formula cells D U, and the first information includes the configuration information of the terminal；

First receiving submodule, for receiving the second information, second information includes the configuration information of the target DU, described Second information is that the target DU is sent according to the first information；

20. terminal according to claim 19, which is characterized in that the switching submodule includes:

Processing unit is established with the target DU and is connected for the configuration information according to DU access instruction and the target DU It connects, and discharges the connection with the source DU；

21. terminal according to claim 18, which is characterized in that further include:

First obtains module, for switching module in the case where triggering distributed unit DU switching, switches to target by source DU Before DU, the configuration information of each DU in the DU group independently switched for terminal is obtained, the DU group includes at least two DU, and The target DU and the source DU belong to the DU group.

22. terminal according to claim 21, which is characterized in that the switching module is used for the case where triggering DU switching Under, if target DU and source DU belong to identical centralized unit CU, according to the configuration information of target DU in the DU group, by source DU Switch to target DU.

23. terminal according to claim 22, which is characterized in that the switching module is used to have in the terminal autonomous In the case where switching permission, according to the configuration information of target DU in the DU group, target DU is switched to by source DU.

24. terminal according to claim 21, which is characterized in that each DU and the terminal present bit in the DU group The distance set is respectively less than distance threshold.

25. terminal according to claim 18, which is characterized in that the condition of triggering DU switching includes at least one of the following:

26. a kind of terminal characterized by comprising memory, processor and storage can transport on a memory and on a processor Capable computer program is realized as described in any one of claims 1 to 8 when the computer program is executed by the processor The step of switching method.

27. a kind of network equipment, the network equipment is target distribution formula cells D U characterized by comprising

28. the network equipment according to claim 27, which is characterized in that the link block includes:

The case where second receiving submodule is used in triggering DU switching, and target DU belongs to different centralized unit CU from source DU Under, the first information that terminal is sent is received, the first information includes the configuration information of the terminal；

Second sending submodule, for sending the second information, second information includes the target according to the first information The configuration information of DU；

29. the network equipment according to claim 28, which is characterized in that the connection submodule includes:

Second receiving unit, for obtaining DU access instruction confirmation, the DU access instruction confirmation is the terminal according to It is sent after the DU access instruction access target DU.

30. the network equipment according to claim 27, which is characterized in that further include:

Receiving module receives the CU hair connecting with the target DU for the link block before establishing connection with terminal The DU group sent prepares instruction；

Determining module determines that the DU is in the DU group independently switched for terminal for preparing to indicate according to the DU group One DU, and send DU group to the CU connecting with the target DU and prepare confirmation.

31. the network equipment according to claim 30, which is characterized in that each DU in the DU group works as with the terminal The distance of front position is respectively less than distance threshold.

32. the network equipment according to claim 27, which is characterized in that further include:

Second obtains module, for before link block and terminal establish connection, obtain preconfigured terminal with confidence Breath.

33. the network equipment according to claim 32, which is characterized in that the link block is used for the configuration according to terminal Information establishes connection with the terminal.

34. a kind of network equipment, the network equipment is source distribution formula cells D U characterized by comprising

Release module, for being indicated according to the release that the CU connecting with target DU is sent, release in the case where triggering DU switching With the connection of terminal.

35. the network equipment according to claim 34, which is characterized in that further include:

Sending module sends release to the CU connecting with the target DU for release module release with after the connection of terminal Complete information.

36. a kind of network equipment characterized by comprising memory, processor and storage are on a memory and can be in processor The computer program of upper operation is realized when the computer program is executed by the processor as any in claim 9 to 15 The step of item switching method, is realized as described in any one of claim 16 to 17 the step of switching method.

37. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium Program is realized as described in any one of claims 1 to 8 when the computer program is executed by processor the step of switching method It either realizes as described in any one of claim 9 to 15 the step of switching method or appoints in realization such as claim 16 to 17 The step of one switching method.