CN110290473A - Switching method and device - Google Patents

Switching method and device Download PDF

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Publication number
CN110290473A
CN110290473A CN201810225952.1A CN201810225952A CN110290473A CN 110290473 A CN110290473 A CN 110290473A CN 201810225952 A CN201810225952 A CN 201810225952A CN 110290473 A CN110290473 A CN 110290473A
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CN
China
Prior art keywords
base station
terminal
current
target
signal quality
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Granted
Application number
CN201810225952.1A
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Chinese (zh)
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CN110290473B (en
Inventor
朱玉梅
周志宏
魏立梅
袁乃华
范晨
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TD Tech Ltd
TD Tech Chengdu Co Ltd
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TD Tech Ltd
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Priority to CN201810225952.1A priority Critical patent/CN110290473B/en
Publication of CN110290473A publication Critical patent/CN110290473A/en
Application granted granted Critical
Publication of CN110290473B publication Critical patent/CN110290473B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0083Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters used to improve the performance of a single terminal
    • H04W36/30Reselection being triggered by specific parameters used to improve the performance of a single terminal by measured or perceived connection quality data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • 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
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface

Abstract

The present invention provides a kind of switching method and device, this method comprises: terminal measure for terminal provide service current area signal quality less than the first threshold signal quality when, the current base station belonged to current area reports the request message for switching to cell to be selected corresponding to target BS, and the corresponding service bandwidth of current base station is greater than the corresponding service bandwidth of target BS;The isosystem measurement message that terminal is sent according to the current base station received, the signal quality of multiple cells to be selected corresponding to target BS measure;Terminal switches to Target cell when the signal quality for measuring Target cell is greater than the second threshold signal quality, by current area, and Target cell is a cell in multiple cells to be selected.The present invention realizes switching of the terminal between different system base-station, ensure that going on smoothly for terminal traffic.

Description

Switching method and device
Technical field
The present invention relates to field of communication technology more particularly to a kind of switching methods and device.
Background technique
Trunked communication system is developed, the private radio of Industry-oriented application to meet industry command scheduling demand Communication system is commonly utilized in the fields such as public safety, communications and transportation, public utilities;It is similar with the communication system of the public, cluster Communication system also experienced from simulation trunked communication system and develop to narrow-band digital group system.
Police Digital Clustering PDT (Police digital trunking) communication is widely used in country's police field at present System, the system optimally, are being only capable of supporting the hardware circuit solution of 518kbps.But it is at full speed with data service Development, the transmission rate are far from satisfying urgent broadband services demand.In order to protect the PDT communication system built, The trend that wide and narrow strip communication system (PDT communication system and eLTE communication system) combines is irresistible, and PDT/eLTE bimodulus is whole End is come into being, and switching problem of the PDT/eLTE dual-mode terminal between PDT communication system and eLTE communication system, existing It is not directed in technology.
Summary of the invention
The present invention provides a kind of switching method and device, realizes switching of the terminal between different system base-station, ensure that Terminal traffic is gone on smoothly.
The first aspect of the present invention provides a kind of switching method, comprising:
Terminal measure for the terminal provide service current area signal quality less than the first threshold signal matter When amount, the current base station of the current area Xiang Suoshu ownership reports the request for switching to cell to be selected corresponding to target BS Message, the corresponding service bandwidth of the current base station are greater than the corresponding service bandwidth of the target BS;
The isosystem measurement message that the terminal is sent according to the current base station received, to the target BS pair The signal quality for the multiple cells to be selected answered measures;
The terminal is when the signal quality for measuring Target cell is greater than the second threshold signal quality, by described current small Area switches to the Target cell, and the Target cell is a cell in the multiple cell to be selected.
Optionally, terminal measure for the terminal provide service current area signal quality less than the first thresholding When signal quality, the current base station of the current area Xiang Suoshu ownership is reported for switching to cell to be selected corresponding to target BS Request message before, comprising:
The terminal reports the capabilities message of the terminal to the current base station, and the capabilities message is used to indicate described Terminal supports bimodulus;
The terminal is wireless according to the current base station in the system message of the current base station transmission received Position identifier LAI, the first base station to be selected LAI, determine the target BS of terminal switching;First base to be selected It stands as all different system base-stations configured in the current base station.
Optionally, the terminal is according to the current base station in the system message of the current base station transmission received Wireless position identifier LAI, the first base station to be selected LAI, determine the target BS of terminal switching, comprising:
The terminal is according to the wireless position identifier LAI of the current base station, the LAI of first base station to be selected, really Fixed second base station to be selected;Second base station to be selected is the base station for having overlapping with the signal cover of the current base station, institute Stating the second base station to be selected is the base station in the described first base station to be selected;
The terminal determines the target BS of the terminal switching in the described second base station to be selected.
Optionally, the terminal is according to the wireless position identifier LAI of the current base station, first base station to be selected LAI determines the described second base station to be selected, comprising:
The terminal determines the first signal cover of the current base station according to the LAI of the current base station;
The terminal according to the LAI of the described first base station to be selected, determine in the described first base station to be selected each first son to Select the second signal coverage area of base station;
According to the second signal coverage area of first signal cover and each first son base station to be selected, determine Second base station to be selected.
Optionally, the system message further include: the access priority of first base station to be selected, first base to be selected The signal quality threshold value of the wireless communication Taoist monastic name and first base station to be selected stood;
The terminal determines the target BS of the terminal switching in the described second base station to be selected, comprising:
The terminal is according to the access priority of the described second base station to be selected, successively according to the nothing of the described second base station to be selected Line channel number measures the signal quality of the described second base station to be selected;
The signal quality that the terminal measures the second son base station to be selected in the described second base station to be selected is greater than described the When the signal quality threshold value of two son base stations to be selected, determine that second son base station to be selected is the target BS.
It optionally, include radio resource control RRC reconfiguration information in the isosystem measurement message, the RRC reconfiguration Confidence breath includes: the access of the wireless communication Taoist monastic name of multiple cells to be selected and multiple cells to be selected in the target BS Priority;
The isosystem measurement message that the terminal is sent according to the current base station received, to the target BS pair The signal quality for the multiple cells to be selected answered measures, comprising:
According to the access priority of multiple cells to be selected, successively according to the wireless communication Taoist monastic name of multiple cells to be selected The signal quality of multiple cells to be selected is measured.
Optionally, the current area is long term evolution eLTE cell, and the Target cell is that police Digital Clustering PDT is small Area.
The second aspect of the present invention provides a kind of terminal, comprising:
Reporting module, for terminal measure for the terminal provide service current area signal quality less than When one threshold signal quality, the current area Xiang Suoshu ownership current base station report for switch to corresponding to target BS to Select the request message of cell, the corresponding service bandwidth of the current base station is greater than the corresponding service bandwidth of the target BS;
Measurement module, it is right for the isosystem measurement message that the terminal is sent according to the current base station received The signal quality of the corresponding multiple cells to be selected of the target BS measures;
Switching module is greater than the second threshold signal quality in the signal quality for measuring Target cell for the terminal When, the Target cell is switched to by the current area, the Target cell is one in the multiple cell to be selected A cell.
The third aspect of the present invention provides a kind of terminal, comprising: at least one processor and memory;
The memory stores computer executed instructions;
At least one described processor executes the computer executed instructions of the memory storage, so that the terminal executes Above-mentioned switching method.
The fourth aspect of the present invention provides a kind of computer readable storage medium, deposits on the computer readable storage medium Computer executed instructions are contained, when the computer executed instructions are executed by processor, realize above-mentioned switching method.
The present invention provides a kind of switching method and device, this method comprises: terminal provides service for terminal measuring When the signal quality of current area is less than the first threshold signal quality, the current base station belonged to current area is reported for switching To the request message of cell to be selected corresponding to target BS, it is corresponding that the corresponding service bandwidth of current base station is greater than target BS Service bandwidth;The isosystem measurement message that terminal is sent according to the current base station that receives, it is corresponding to target BS it is multiple to The signal quality of cell is selected to measure;Terminal is greater than the second threshold signal quality in the signal quality for measuring Target cell When, Target cell is switched to by current area, Target cell is a cell in multiple cells to be selected.The present invention realizes end The switching between different system base-station is held, ensure that going on smoothly for terminal traffic.
Detailed description of the invention
Fig. 1 is the application scenarios schematic diagram of terminal switching method provided by the invention;
Fig. 2 is the flow diagram one of switching method provided by the invention;
Fig. 3 is the flow diagram two of switching method provided by the invention;
Fig. 4 is the flow diagram three of switching method provided by the invention;
Fig. 5 is the structural schematic diagram one of terminal provided by the invention;
Fig. 6 is the structural schematic diagram two of terminal provided by the invention;
Fig. 7 is the structural schematic diagram three of terminal provided by the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this Technical solution in inventive embodiments is clearly and completely described, it is clear that described embodiment is that a part of the invention is real Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
Term of the invention is explained:
Dual-mode terminal: referring to the terminal for supporting two kinds of different network systems, as (the mobile mobile phone of the third generation is logical by TD-SCDMA Letter system)/GSM (second generation mobile phone communication system) dual-mode terminal, not only supported TD network, but also support the terminal of GSM network, It is in all workable terminal of 3G and 2G network.
Wireless position identifier LAI:LAI is made of (MCC+MNC+LAC), wherein MCC (Mobile Country Code), Mobile Country Code MCC, three digits, such as China are 460.MNC (Mobile Network Code), mobile network number, two Number.LAC (Location Area Code), is the hexadecimal binary-coded decimal of 2 byte longs.It can be true by the LAI of base station Determine the cell range of base station administration.
Access priority: i.e. the sequencing of terminal or node access base station/network etc. such as has higher access priority Terminal, other extraneous factors under the same conditions, can be in priority access base station or network.
Fig. 1 is the application scenarios schematic diagram of terminal switching method provided by the invention, as shown in Figure 1, mentioning in the present embodiment The terminal of confession is dual-mode terminal, and base station a can be the base station eLTE, and base station b can be the base station PDT;The dual-mode terminal can both connect Enter in eLTE network, and can access in PDT network;In the range of the base station eLTE and the covering overlapping of PDT base station signal, due to The access speed of the base station eLTE is fast, and volume of business is big, and the corresponding cell in the base station dual-mode terminal priority access eLTE works as current area Signal quality when being insufficient for the business demand of terminal, terminal can switch to the corresponding cell in the base station PDT;In only eLTE Base station or the base station PDT or when not in the overlapping range of two different system base-stations, dual-mode terminal accesses in corresponding base station.
Fig. 2 is the flow diagram one of switching method provided by the invention, and the executing subject of method flow shown in Fig. 2 can be with For terminal.As shown in Fig. 2, switching method provided in this embodiment may include:
S101, terminal measure for terminal provide service current area signal quality less than the first threshold signal matter When amount, the current base station belonged to current area reports the request for switching to cell to be selected corresponding to target BS to disappear Breath, the corresponding service bandwidth of current base station are greater than the corresponding service bandwidth of target BS.
Terminal in the present embodiment can be mobile terminal, be also possible to fixed terminal.Mobile terminal includes but is not limited to Mobile phone, personal digital assistant (Personal Digital Assistant, referred to as: PDA), tablet computer, portable equipment (example Such as, portable computer, pocket computer or handheld computer) etc. have shutdown quarter-bell and setting shutdown alarm Mobile device.Fixed terminal includes but is not limited to that gate inhibition, intelligent fixed-line telephone, console etc. have shutdown quarter-bell and setting The fixed equipment of shutdown alarm.The present invention does not limit the form of terminal.
Current area provided in this embodiment is eLTE cell, and Target cell is PDT cell, following no longer to be said It is bright.In the range of the base station eLTE and the covering overlapping of PDT base station signal, since the corresponding service bandwidth of current base station is greater than target The corresponding service bandwidth in base station, in the base station terminal priority access eLTE in corresponding cell, terminal can belong to current area Current base station signal quality carry out real-time measurement;When the signal quality that terminal measures current area is believed less than the first thresholding When number quality, the request message for switching to cell to be selected corresponding to target BS is reported to current base station, wherein first Threshold signal quality can be preset signal quality at the terminal, when which is that terminal smoothly executes business The lowest signal qualities needed;After terminal is linked into current area, what terminal can receive current base station broadcast carries the The message of one threshold signal quality, first threshold signal quality are the threshold signal quality of current base station.
Terminal reports the request message of switching, wherein terminal can use event in the prior art and method is reported to carry out Report triggers A2 measurement event to working as such as when terminal measures the signal quality of current area less than the first threshold signal quality Preceding base station reports;Specifically, may include the mark of the terminal and target BS in the request message, target BS be can be Preset target BS in current base station, be also possible to current base station selected according to terminal present position it is nearest according to terminal location Target BS, it is without limitation in the present embodiment.
S102, the isosystem measurement message that terminal is sent according to the current base station received are corresponding to target BS more The signal quality of a cell to be selected measures.
After terminal sends switching request message to current base station, current base station sends isosystem measurement message to terminal, Terminal is measured according to signal quality of the isosystem measurement message to multiple cells to be selected corresponding in target BS;It is optional , include the frequency point of multiple cells to be selected in target BS in isosystem measurement message, terminal according to the frequency point of each cell to be selected, The signal for searching for each cell to be selected measures the signal quality of each cell to be selected.
S103, terminal is when the signal quality for measuring Target cell is greater than the second threshold signal quality, by current area Target cell is switched to, Target cell is a cell in multiple cells to be selected.
Terminal is when measuring the signal quality of cell to be selected with this, once there is the signal of any one cell to be selected Quality is greater than the second threshold signal quality, it is determined that the cell to be selected is Target cell;Wherein, the second threshold signal quality can be with It is the preset signals quality for the Target cell being arranged at the terminal, is also possible to carry target BS in isosystem measurement message In the corresponding signal quality thresholding of each cell to be selected, the present embodiment is without limitation.
In the present embodiment, for terminal after determining Target cell, terminal can be within a preset period of time persistently to Target cell Signal quality test measurement, if the signal quality of Target cell is unstable in the preset time period, occur less than the The case where binary signal quality, then terminal measures the signal quality of next cell to be selected, until determining Target cell.
Terminal needs to measure the signal quality of current area simultaneously in the preset time period, judges current area Whether the signal quality in the preset time period gos up, that is, is greater than the first threshold signal quality, if it is not, determining target After cell, terminal has current area to switch to Target cell;If so, terminal accesses in current area, without switching.
The switching method provided in the present embodiment, which includes: terminal, provides the letter of the current area of service for terminal measuring When number quality is less than the first threshold signal quality, the current base station belonged to current area is reported for switching to target BS institute The request message of corresponding cell to be selected, the corresponding service bandwidth of current base station are greater than the corresponding service bandwidth of target BS;Eventually The isosystem measurement message that end is sent according to the current base station received, the signal of multiple cells to be selected corresponding to target BS Quality measures;Terminal is when the signal quality for measuring Target cell is greater than the second threshold signal quality, by current area Target cell is switched to, Target cell is a cell in multiple cells to be selected.The present invention realizes the letter in current area When number quality is insufficient for business demand, the switching of different system base-station respective cell is carried out, ensure that the smooth of terminal traffic It carries out.
Switching method provided in this embodiment is described in detail below with reference to Fig. 3, Fig. 3 is switching provided by the invention The flow diagram two of method, as shown in figure 3, switching method provided in this embodiment may include:
S201, capabilities message from terminal to current base station reporting terminal, capabilities message be used to indicate terminal support bimodulus.
It, can in the capabilities message to the capabilities message of current base station reporting terminal after terminal priority access current base station To include that the mark of terminal, the ID number of terminal and terminal support identification information of dual-mode network accessed etc..Current base station connects Receive the ability information, it may be determined that the terminal can support dual-mode network, so that terminal sends system message, the system to the terminal Message may be used to indicate terminal and be in the range of dual-mode network covering, be insufficient for business in the signal quality of current base station When demand, the switching to target BS respective cell can be carried out.
Terminal, to the base station reporting ability message, may make base station only to dual-mode capabilities after being linked into current base station Terminal send system message, avoid to the end with single mode ability (refer to and only support current network, be linked into current base station) End sends system message, reduces the transmission of signaling.Specifically, the system message can be for current base station periodically, periodically Ground is sent to terminal.
The wireless position of S202, the current base station in system message that terminal is sent according to the current base station received identify Number LAI, the first base station to be selected LAI, determine the target BS of terminal switching;First base station to be selected is to configure in current base station All different system base-stations.
It is the base station PDT formerly built in practical application by target BS in this present embodiment, in order to meet business need It asks, builds the base station eLTE on this basis, may be configured with all different systems currently built in the base station eLTE of rear construction Base station, can also configured with all different system base-stations within the scope of predeterminable area, the present embodiment to this with no restriction, as long as eventually End can determine target BS according to the system message that current base station is sent.
Terminal receives the system message of current base station transmission, includes the LAI, first to be selected of current base station in system message The LAI of base station, terminal determine the target BS of switching according to system message, wherein determining concrete mode may is that basis is worked as The LAI of preceding base station determines the signal cover of current base station, the LAI of each base station to be selected in the LAI by the first base station to be selected Determine the signal cover of each base station to be selected;Can will with current base station signal cover overlapping area it is maximum to Select base station to be selected as target BS, can also using the to be selected base station nearest apart from terminal as target BS, the present embodiment to this not It is restricted.It may occur to persons skilled in the art that under extreme conditions, when an only base to be selected in the first base station to be selected When standing, using the base station to be selected as target BS.
S203, terminal measure for terminal provide service current area signal quality less than the first threshold signal matter When amount, the current base station belonged to current area reports the request for switching to cell to be selected corresponding to target BS to disappear Breath.
S204, the isosystem measurement message that terminal is sent according to the current base station received are corresponding to target BS more The signal quality of a cell to be selected measures.
S205, terminal is when the signal quality for measuring Target cell is greater than the second threshold signal quality, by current area Switch to Target cell.
Wherein, S203, S204 and S205 in the present embodiment specifically can refer to above-described embodiment S101, S102 and S103 Associated description, this will not be repeated here.
In the present embodiment, terminal, to current base station reporting ability message, may make current base after being linked into current base station It stands and only sends system message to the terminal with dual-mode capabilities, reduce the transmission of signaling;In addition, terminal is reported to current base station Dual-mode capabilities, so that current base station sends system message to terminal, so that the signal quality in current area is insufficient for When business demand, terminal carries out the switching of different system base-station respective cell, ensure that going on smoothly for terminal traffic.
Switching method provided in this embodiment is described in detail below with reference to Fig. 4, Fig. 4 is switching provided by the invention The flow diagram three of method, as shown in figure 4, switching method provided in this embodiment includes:
S301, capabilities message from terminal to current base station reporting terminal, capabilities message be used to indicate terminal support bimodulus.
S302, terminal according to the wireless position identifier LAI of current base station, the LAI of the first base station to be selected, determine second to Select base station;Second base station to be selected is the base station for having overlapping with the signal cover of current base station, and the second base station to be selected is first Base station in base station to be selected.
In the present embodiment, terminal can determine current base station according to the LAI of the base station to be selected the LAI of current base station and first Position and the first base station to be selected in each base station to be selected position, will apart from the distance of current base station be less than pre-determined distance it is to be selected Base station is as the second base station to be selected.
In the present embodiment, in order to enable terminal, which can be realized, is switched to target BS, wherein the second base station to be selected is and works as The signal cover of preceding base station has the base station of overlapping.Specifically, terminal determines current base station according to the LAI of current base station First signal cover, terminal determine second of each base station to be selected in the first base station to be selected according to the LAI of the first base station to be selected Signal cover, terminal is according to the second signal coverage area of the first signal cover and each first son base station to be selected, really Fixed second base station to be selected.
Specifically, the second signal coverage area of each base station to be selected have with the first signal cover it is overlapping, then will wherein Base station to be selected be determined as the second base station to be selected;Second signal coverage area and the first signal can also be covered in the present embodiment When the overlapping region of range is greater than predeterminable area area, base station to be selected therein is determined as the second base station to be selected, is further protected The smooth switching of terminal is demonstrate,proved.
S303, terminal determine the target BS of terminal switching in the second base station to be selected.
In determining the second base station to be selected, terminal is it needs to be determined that target BS, wherein target BS can be and current base Base station in the base station to be selected of signal cover of standing overlapping area maximum second, but in order to ensure terminal is being switched to target base Business is gone on smoothly after standing, and in the present embodiment, current base station is in the system message of transmission further include: the first base station to be selected The signal quality threshold value of access priority, the wireless communication Taoist monastic name of the first base station to be selected and the first base station to be selected.
Since the second base station to be selected is the base station in the first base station to be selected, after the second base station to be selected has been determined, root It can get the corresponding access priority in each second base station to be selected, wireless communication Taoist monastic name and signal quality threshold value according to system message.
Terminal is according to the access priority of each second base station to be selected, successively according to the wireless communication Taoist monastic name of the second base station to be selected, Each second base station to be selected is scanned for, after searching for successfully, the signal quality of the second base station to be selected is measured;It is same with this When, in the access priority according to the base station one by one measurement process to base station signal quality, letter of the terminal to the base station of measurement Number quality is made comparisons with the threshold signal quality of base station, once terminal measures the second son base station to be selected in the second base station to be selected Signal quality when being greater than the signal quality threshold value of the second son base station to be selected, determine that the second son base station to be selected is target BS.
Such as: the second base station to be selected includes base station A, base station B and base station C, and access priority is respectively A, B, C;Firstly, Terminal scans for base station A according to the wireless communication Taoist monastic name of base station A and measures its signal quality, if the signal quality of base station A is big In its threshold signal quality, it is determined that base station A is target BS, without the measurement to base station B and base station C;If the letter of base station A Number quality is less than its threshold signal quality, then successively carries out the measurement of signal quality to base station B again, and so on, until determining Target BS.
S304, terminal measure for terminal provide service current area signal quality less than the first threshold signal matter When amount, the current base station belonged to current area reports the request for switching to cell to be selected corresponding to target BS to disappear Breath.
S305, the isosystem measurement message that terminal is sent according to the current base station received are corresponding to target BS more The signal quality of a cell to be selected measures.
In the present embodiment, current base station includes radio resource control RRC weight into the isosystem measurement message that terminal is sent Configuration information, RRC reconfiguration information include: the wireless communication Taoist monastic name of multiple cells to be selected and multiple cells to be selected in target BS Access priority.
According to the access priority of multiple cells to be selected, successively according to the wireless communication Taoist monastic name of multiple cells to be selected to it is multiple to The signal quality of cell is selected to measure, wherein to determine that the mode of Target cell can be with the mode phase of above-mentioned determining target BS Together, this will not be repeated here.
S306, terminal is when the signal quality for measuring Target cell is greater than the second threshold signal quality, by current area Switch to Target cell.
In the present embodiment, after terminal switches to Target cell, terminal can continue to keep the search to eLTE cell, Once searching the signal of eLTE cell, then terminal judges whether there is business progress in terminal;If so, in terminal finishing service Afterwards, eLTE cell is switched to;If it is not, terminal is directly switch into eLTE cell.Wherein the eLTE cell can in above-described embodiment Current area be identical/different community.
Wherein, S301, S303 and S305 in the present embodiment specifically can refer to above-described embodiment S201, S101 and S103 Associated description, this will not be repeated here.
In the present embodiment, terminal is according to the LAI of the current base station in system message, the LAI of the first base station to be selected, further It determines there is the base station to be selected of overlapping second with current base station signal cover, ensure that the smooth switching of terminal;Terminal exists According to the access priority, wireless communication Taoist monastic name and signal quality threshold value of each base station to be selected in second base station to be selected, mesh is determined Base station is marked, ensure that terminal business after switching to target BS is gone on smoothly;In addition, including nothing in isosystem measurement message Line resources control RRC reconfiguration information, RRC reconfiguration information include in target BS the wireless communication Taoist monastic name of multiple cells to be selected and Access priority determines Target cell, when realizing the signal quality in current area and being insufficient for business demand, terminal Effective switching, ensure that going on smoothly for terminal traffic.
Fig. 5 is the structural schematic diagram one of terminal provided by the invention, as shown in figure 5, the terminal 400 includes: reporting module 401, measurement module 402 and switching module 403.
Reporting module 401, for terminal measure for terminal provide service current area signal quality less than When one threshold signal quality, the current base station belonged to current area reports to be selected small corresponding to target BS for switching to The request message in area, the corresponding service bandwidth of current base station are greater than the corresponding service bandwidth of target BS;
Measurement module 402, for the isosystem measurement message that terminal is sent according to the current base station received, to target base The signal quality for corresponding multiple cells to be selected of standing measures;
Switching module 403, for terminal when the signal quality for measuring Target cell is greater than the second threshold signal quality, Target cell is switched to by current area, Target cell is a cell in multiple cells to be selected.
Terminal provided in this embodiment is similar with principle and technical effect that above-mentioned switching method is realized, does not go to live in the household of one's in-laws on getting married herein It states.
Optionally, reporting module 401 are also used to the capabilities message to current base station reporting terminal, and capabilities message is for referring to Show that terminal supports bimodulus.
Optionally, Fig. 6 is the structural schematic diagram two of terminal provided by the invention, as shown in fig. 6, end provided in this embodiment End 400 further include: determining module 404.
Determining module 404, for the wireless of the current base station in the system message according to the current base station transmission received Position identifier LAI, the first base station to be selected LAI, determine terminal switching target BS;First base station to be selected is current base station All different system base-stations of upper configuration.
Optionally, determining module 404, specifically for wireless position identifier LAI, the first base to be selected according to current base station The LAI to stand determines the second base station to be selected;Second base station to be selected is the base station for having overlapping with the signal cover of current base station, Second base station to be selected is the base station in the first base station to be selected;
Terminal determines the target BS of terminal switching in the second base station to be selected.
Optionally, determining module 404 are specifically also used to the LAI according to current base station, determine the first signal of current base station Coverage area;
Terminal determines second of each first son base station to be selected in the first base station to be selected according to the LAI of the first base station to be selected Signal cover;
According to the second signal coverage area of the first signal cover and each first son base station to be selected, determine that second is to be selected Base station.
Optionally, system message further include: the access priority of the first base station to be selected, the first base station to be selected wireless channel Number and the first base station to be selected signal quality threshold value.
Optionally, determining module 404 are specifically also used to the access priority according to the second base station to be selected, successively according to The wireless communication Taoist monastic name of two base stations to be selected measures the signal quality of the second base station to be selected;
The signal quality that terminal measures the second son base station to be selected in the second base station to be selected is greater than the second son base station to be selected Signal quality threshold value when, determine that the second son base station to be selected is target BS.
It optionally, include radio resource control RRC reconfiguration information, RRC reconfiguration information packet in isosystem measurement message It includes: the access priority of the wireless communication Taoist monastic name of multiple cells to be selected and multiple cells to be selected in target BS.
Optionally, measurement module 402, specifically for the access priority according to multiple cells to be selected, successively according to multiple The wireless communication Taoist monastic name of cell to be selected measures the signal quality of multiple cells to be selected.
Optionally, current area is long term evolution eLTE cell, and Target cell is police Digital Clustering PDT cell.
Fig. 7 is the structural schematic diagram three of terminal provided by the invention, as shown in fig. 7, the terminal 500 includes: memory 501 With at least one processor 502.
Memory 501, for storing program instruction.
Processor 502 implements principle for being performed the switching method realized in the present embodiment in program instruction It can be found in above-described embodiment, details are not described herein again for the present embodiment.
The terminal can also include and input/output interface 503.
Input/output interface 503 may include independent output interface and input interface, or integrated input and defeated Integrated interface out.Wherein, output interface is used for output data, and input interface is used to obtain the data of input, above-mentioned output Data are the general designation exported in above method embodiment, and the data of input are the general designation inputted in above method embodiment.
The present invention also provides a kind of readable storage medium storing program for executing, be stored with and execute instruction in readable storage medium storing program for executing, when terminal extremely When a few processor executes this and executes instruction, when computer executed instructions are executed by processor, realize in above-described embodiment Switching method.
The present invention also provides a kind of program product, the program product include execute instruction, this execute instruction be stored in it is readable In storage medium.At least one processor of terminal can read this from readable storage medium storing program for executing and execute instruction, at least one processing Device executes the terminal and implements the switching method that above-mentioned various embodiments provide.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of device or unit Letter connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) or processor (English: processor) execute this hair The part steps of bright each embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (English: Read-Only Memory, abbreviation: ROM), random access memory (English: Random Access Memory, letter Claim: RAM), the various media that can store program code such as magnetic or disk.
In the embodiment of the above-mentioned network equipment or terminal device, it should be appreciated that processor can be central processing unit (English: Central Processing Unit, referred to as: CPU), it can also be other general processors, digital signal processor (English: Digital Signal Processor, abbreviation: DSP), specific integrated circuit (English: Application Specific Integrated Circuit, referred to as: ASIC) etc..General processor can be microprocessor or the processor It is also possible to any conventional processor etc..Hardware handles can be embodied directly in conjunction with the step of method disclosed in the present application Device executes completion, or in processor hardware and software module combination execute completion.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of switching method characterized by comprising
Terminal measure for the terminal provide service current area signal quality less than the first threshold signal quality when, The current base station belonged to the current area reports the request message for switching to cell to be selected corresponding to target BS, The corresponding service bandwidth of the current base station is greater than the corresponding service bandwidth of the target BS;
The isosystem measurement message that the terminal is sent according to the current base station received, it is corresponding to the target BS The signal quality of multiple cells to be selected measures;
The terminal is cut when the signal quality for measuring Target cell is greater than the second threshold signal quality by the current area The Target cell is shifted to, the Target cell is a cell in the multiple cell to be selected.
2. switching method according to claim 1, which is characterized in that terminal provides service for the terminal measuring When the signal quality of current area is less than the first threshold signal quality, the current base station of the current area Xiang Suoshu ownership, which reports, to be used for It switches to before the request message of cell to be selected corresponding to target BS, comprising:
The terminal reports the capabilities message of the terminal to the current base station, and the capabilities message is used to indicate the terminal Support bimodulus;
The wireless position for the current base station in system message that the terminal is sent according to the current base station that receives Identifier LAI, the first base station to be selected LAI, determine the target BS of terminal switching;First base station to be selected is All different system base-stations configured in the current base station.
3. switching method according to claim 2, which is characterized in that the terminal is according to the current base station received The wireless position identifier LAI of the current base station in the system message of transmission, the first base station to be selected LAI, determine described in The target BS of terminal switching, comprising:
The terminal determines according to the wireless position identifier LAI of the current base station, the LAI of first base station to be selected Two base stations to be selected;Second base station to be selected is and the signal cover of the current base station has the base station of overlapping, described the Two base stations to be selected are the base station in the described first base station to be selected;
The terminal determines the target BS of the terminal switching in the described second base station to be selected.
4. switching method according to claim 3, which is characterized in that the terminal is according to the wireless position of the current base station The LAI for setting identifier LAI, first base station to be selected, determines the described second base station to be selected, comprising:
The terminal determines the first signal cover of the current base station according to the LAI of the current base station;
The terminal determines each first son base to be selected in the described first base station to be selected according to the LAI of the described first base station to be selected The second signal coverage area stood;
According to the second signal coverage area of first signal cover and each first son base station to be selected, determine described in Second base station to be selected.
5. switching method according to claim 4, which is characterized in that the system message further include: described first is to be selected The signal quality thresholding of the access priority of base station, the wireless communication Taoist monastic name of first base station to be selected and first base station to be selected Value;
The terminal determines the target BS of the terminal switching in the described second base station to be selected, comprising:
The terminal is according to the access priority of the described second base station to be selected, successively according to the wireless communication of the described second base station to be selected Taoist monastic name measures the signal quality of the described second base station to be selected;
The signal quality that the terminal measures the second son base station to be selected in the described second base station to be selected is greater than second son When the signal quality threshold value of base station to be selected, determine that second son base station to be selected is the target BS.
6. switching method according to claim 1, which is characterized in that include radio resource in the isosystem measurement message RRC reconfiguration information is controlled, the RRC reconfiguration information includes: the wireless of multiple cells to be selected in the target BS The access priority of channel number and multiple cells to be selected;
The isosystem measurement message that the terminal is sent according to the current base station received, it is corresponding to the target BS The signal quality of multiple cells to be selected measures, comprising:
According to the access priority of multiple cells to be selected, successively according to the wireless communication Taoist monastic name of multiple cells to be selected to more The signal quality of a cell to be selected measures.
7. switching method according to claim 1-6, which is characterized in that the current area is long term evolution ELTE cell, the Target cell are police Digital Clustering PDT cell.
8. a kind of terminal characterized by comprising
Reporting module, for terminal measure for the terminal provide service current area signal quality less than first When limiting signal quality, the current base station of the current area Xiang Suoshu ownership reports to be selected small corresponding to target BS for switching to The request message in area, the corresponding service bandwidth of the current base station are greater than the corresponding service bandwidth of the target BS;
Measurement module, for the isosystem measurement message that the terminal is sent according to the current base station received, to described The signal quality of the corresponding multiple cells to be selected of target BS measures;
Switching module, for the terminal when the signal quality for measuring Target cell is greater than the second threshold signal quality, by The current area switches to the Target cell, and the Target cell is one small in the multiple cell to be selected Area.
9. a kind of terminal characterized by comprising at least one processor and memory;
The memory stores computer executed instructions;
At least one described processor executes the computer executed instructions of the memory storage, so that the terminal perform claim It is required that the described in any item methods of 1-7.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium It executes instruction, when the computer executed instructions are executed by processor, realizes the described in any item processing sides claim 1-7 Method.
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