CN110337112A - Terminal access method and device - Google Patents
Terminal access method and device Download PDFInfo
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- CN110337112A CN110337112A CN201910364417.9A CN201910364417A CN110337112A CN 110337112 A CN110337112 A CN 110337112A CN 201910364417 A CN201910364417 A CN 201910364417A CN 110337112 A CN110337112 A CN 110337112A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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Abstract
The application provides a kind of terminal access method and device, is related to the communications field, can reduce the waste of network channel resource, improves the utilization rate of network channel resource.This method comprises: the terminal accounting in the coverage enhancement grade of acquisition terminal, cell, the terminal accounting is the ratio of the quantity of all terminals in the quantity and the cell of all terminals in the first area；According to the coverage enhancement grade of the terminal, the terminal accounting, determine whether the terminal carries out the upgrading of coverage enhancement grade.
Description
Technical field
This application involves the communications field more particularly to a kind of terminal access methods and device.
Background technique
Narrowband Internet of Things (narrow band internet of things, NB-IoT) is assisted based on 3GPP LTE standard
The technology of Internet of things for discussing evolution, is mainly directed towards middle low rate, depth covering, low-power consumption, the Internet of Things application scenarios connected greatly, has
There is frequency spectrum resource utilization rate height, support a large amount of middle low speed users, overburden depth big and the technical advantages such as power consumption of terminal is low.
As shown in Figure 1, the network architecture of NB-IoT system includes: the terminal (such as user equipment (UE)) of NB-IoT system, base
It stands (such as eNodeB), packet-based core networks (EPC), IoT platform (connection management platform) and application server.Currently, NBIoT system
System supports three kinds of coverage enhancement grades (coverage enhanment level, CEL), as shown in Fig. 2, respectively CEL0,
CEL1 and CEL2.
The definition mode of prior art CEL0, CEL1 and CEL2 are as follows: centered on base station eNodeB, reference signal is received
Power (reference signal receiving power, RSRP) is less than terminal in the regional scope of 144dB (decibel)
Coverage enhancement grade is CEL0, and RSRP, which is greater than 144dB and less than the coverage enhancement grade of terminal in 154dB regional scope, is
It is CEL2 that CEL1, RSRP, which are greater than 154dB and are less than the coverage enhancement grade of terminal in 164dB regional scope,.
NB-IoT up channel includes two kinds of physical channels, and one is narrowband physics channel uplinks to share channel (narrow
Band physical uplink shared channel, NPUSCH), another kind is narrowband Physical Random Access Channel
(narrowband physical random access channel, NPRACH).Wherein, NPRACH is that terminal starts to initiate
Access channel when calling.NPRACH can access number for the fixed maximum of different coverage enhancement grade settings, and (covering increases
Strong grade is higher, and number of repetition is bigger).After if terminal accesses the maximum access number for reaching fixed under certain coverage enhancement grade
It can not still access, then terminal will rise to more higher leveled coverage enhancement grade from current coverage enhancement grade and taste again
Try into.Wherein, the upgrading of coverage enhancement grade is corresponding increases maximum access number.Since maximum accesses the increase of number,
When terminal still access failure after the upgrading of coverage enhancement grade, the number for continuing to attempt to access can be more.Meanwhile terminal is every
Secondary access can all occupy certain channel resource, therefore terminal can occupy letter during continuously attempting to access for a long time
Road resource, so that other terminals are not available these channel resources, to cause the waste of channel resource in network.
Summary of the invention
The application provides a kind of terminal access method and device, can reduce the waste of network channel resource, improves network
The utilization rate of channel resource.
In order to achieve the above objectives, the application adopts the following technical scheme that
In a first aspect, the application provides a kind of terminal access method, this method may include: the coverage enhancement for obtaining terminal
Terminal accounting in grade, cell, the terminal accounting is in the quantity and the cell of all terminals in the first area
The ratio of the quantity of all terminals；According to the coverage enhancement grade of the terminal, the terminal accounting, whether the terminal is determined
Carry out the upgrading of coverage enhancement grade.
Second aspect, the application provide a kind of terminal access device, which includes: to obtain module and processing module.Its
In, module is obtained, for obtaining the coverage enhancement grade of terminal, the terminal accounting in cell, the terminal accounting is described the
The ratio of the quantity of all terminals and the quantity of all terminals in the cell in one region；Processing module, for according to
The coverage enhancement grade of terminal, the terminal accounting, determine whether the terminal carries out the upgrading of coverage enhancement grade.
The third aspect, the application provide a kind of terminal access device, which includes: processor, transceiver and memory；
Wherein, memory is for storing one or more programs；The one or more program includes computer executed instructions, when the device
When operation, processor executes the computer executed instructions of memory storage, so that the device executes first aspect and its each
In kind optional implementation it is one of any described in terminal access method.
Fourth aspect, the application provide a kind of computer readable storage medium, are stored in computer readable storage medium
Instruction, when computer executes the instruction, which, which executes in above-mentioned first aspect and its various optional implementations, appoints
Terminal access method described in one of meaning.
5th aspect, the application provides a kind of computer program product comprising instruction, when the computer program product
When running on computers so that the computer execute in above-mentioned first aspect and its various optional implementations it is any it
Terminal access method described in one.
Terminal access method and device provided by the present application obtain the coverage enhancement grade of the terminal, in the cell
Terminal accounting, the terminal accounting is the number of the quantity of all terminals and all terminals in the cell in the first area
The ratio of amount；According to the coverage enhancement grade of the terminal, the terminal accounting, determine whether the terminal carries out coverage enhancement
The upgrading of grade.Only according to terminal being currently accessed number compared with prior art and whether reaching maximum access number to determine terminal is
The no upgrading for carrying out coverage enhancement grade, the application can reduce the occupancy of channel resource, it is higher to guarantee that other are successfully accessed rate
Terminal be normally carried out access, to reduce the waste of channel resource, improve channel resource utilization rate.
Detailed description of the invention
Fig. 1 is the network architecture schematic diagram that terminal access method provided by the embodiments of the present application and device are applied；
Fig. 2 is coverage enhancement level diagram provided by the embodiments of the present application；
Fig. 3 is terminal access method schematic diagram provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram one of terminal access device provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram two of terminal access device provided by the embodiments of the present application.
Specific embodiment
Terminal access method provided by the embodiments of the present application, apparatus and system are retouched in detail with reference to the accompanying drawing
It states.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
Term " first " and " second " in the description of the present application and attached drawing etc. be for distinguishing different objects, or
Person is used to distinguish the different disposal to same target, rather than is used for the particular order of description object.
In addition, the term " includes " being previously mentioned in the description of the present application and " having " and their any deformation, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of other are not listed or unit, or optionally
It further include the other step or units intrinsic for these process, methods, product or equipment.
It should be noted that in the embodiment of the present application, " illustrative " or " such as " etc. words make example, example for indicating
Card or explanation.Be described as in the embodiment of the present application " illustrative " or " such as " any embodiment or design scheme do not answer
It is interpreted than other embodiments or design scheme more preferably or more advantage.Specifically, " illustrative " or " example are used
Such as " word is intended to that related notion is presented in specific ways.
In the description of the present application, unless otherwise indicated, the meaning of " plurality " is refer to two or more.
The embodiment of the present application provides a kind of terminal access method, the process applied to terminal random access NB-IoT cell.
Wherein, the NB-IoT terminal in the terminal, that is, NB-IoT system, such as user equipment (UE) are specifically as follows: based on NB-IoT's
Tracker, the smart lock based on NB-IoT, the intelligent appliance based on NB-IoT, is based on NB-IoT at the monitor based on NB-IoT
The equipment that is communicated using NB-IoT such as intelligent vehicle-carried equipment.The terminal is located in cell coverage area, and can be with
It is connect by narrowband Physical Random Access Channel (narrowband physical random access channel, NPRACH)
Enter the cell.As shown in figure 3, this method may include S101-S102:
S101, the coverage enhancement grade for obtaining the terminal, the terminal accounting in the cell, the terminal accounting is institute
State the ratio of the quantity of all terminals and the quantity of all terminals in the cell in first area.
Specifically, the coverage enhancement grade of the terminal can be by terminal according to the measurement result of RSRP in the present embodiment
It is obtained with the RSRP thresholding of the connection management platform configuration of NB-IoT system.In addition, the coverage enhancement etc. of the terminal initial
Grade is by connection management platform configuration and stores in the terminal.
The cell is divided at least one region according to signal strength, wherein signal strength at least one described region
Region greater than signal strength threshold is first area.In the present embodiment, centered on cell base station, Reference Signal Received Power
The region that (reference signal receiving power, RSRP) is less than 144dB (decibel) is first area, and RSRP is big
In 144dB and it is less than the region 154dB for second area, it is third region that RSRP, which is greater than 154dB and is less than the region 164dB,.According to
Definition of the prior art to NB-IoT coverage enhancement grade, it is to be understood that coverage enhancement in first area i.e. cell
Grade is the region of CEL0, and second area is the region that coverage enhancement grade is CEL1, and third region is that coverage enhancement grade is
The region of CEL2.In the present embodiment, the terminal is located in the second area, and initial coverage enhancement grade is CEL1.
The method for obtaining the terminal accounting in the cell specifically: collect all terminals in first area in base station
The quantity (i.e. the sum of terminal quantity in first area, second area and third region) of all terminals in quantity and cell, so
Quantity of the quantity than terminals all in cell for calculating all terminals in first area afterwards, so that it is determined that terminal accounting.Then base
It stands and terminal accounting is sent to terminal.
S102, the coverage enhancement grade according to the terminal, the terminal accounting, determine whether the terminal is covered
Enhance the upgrading of grade.
Specifically, in the present embodiment, firstly, terminal is pre-configured with according to connection management platform and stores on the terminal
Coverage enhancement grade and maximum access number corresponding relationship, determine that the corresponding maximum of coverage enhancement grade of the terminal connects
Indegree.It should be noted that the concrete configuration method of the corresponding maximum access number of each coverage enhancement grade can refer to now
There is a technology, the application and with no restriction.
Then, if the number of attempt of the terminal present access subzone be less than it is described it is maximum access number, terminal not into
The upgrading of row coverage enhancement grade.
If the number of attempt of the terminal present access subzone has reached the maximum access number, further judge small
Whether the terminal accounting in area is greater than preset terminal accounting threshold value.Specifically, base station is sent in terminal receiving step S101
After terminal accounting, judge whether the terminal accounting in cell is greater than connection management platform and is pre-configured with and stores on the terminal
Terminal accounting threshold value.If the terminal accounting is greater than the terminal accounting threshold value, the terminal is without coverage enhancement etc.
Grade upgrading.If the terminal accounting is less than or equal to the terminal accounting threshold value, the terminal carries out the upgrading of coverage enhancement grade,
I.e. terminal becomes CEL2 from current CEL1 upgrading.
Optionally, step S102 can also include:
Before judging whether the terminal accounting in cell is greater than preset terminal accounting threshold value, a covering under terminal is obtained
The Reference Signal Received Power of enhancing grade critical point and preset Reference Signal Received Power float value, judge that terminal is current
Whether Reference Signal Received Power is less than or equal to Reference Signal Received Power and preset Reference Signal Received Power float value
Difference.Specifically, next coverage enhancement grade is CEL (i+1) if current coverage enhancement grade is CELi.If terminal is worked as
Preceding Reference Signal Received Power is RSRP_UE_CELi, and the Reference Signal Received Power of next coverage enhancement grade critical point is
RSRPi, preset Reference Signal Received Power float value are △ RSRP.Judge terminal terminal references signal reception power whether
Difference less than or equal to Reference Signal Received Power and preset Reference Signal Received Power float value is to judge whether to meet
RSRP_UE_CELi≤RSRPi-△RSRP.If above-mentioned judging result be it is no, terminal without coverage enhancement grade upgrade, and
And no longer judge whether the terminal accounting in cell is greater than preset terminal accounting threshold value；, and terminal if the determination result is YES
The number of attempt of present access subzone has reached maximum access number, then further judges whether the terminal accounting in cell is greater than
Preset terminal accounting threshold value.Optionally, terminal carry out coverage enhancement grade upgrading can occupy Internet resources, when network load compared with
Gao Shi, if terminal carries out the upgrading of coverage enhancement grade, the Internet resources increase occupied can aggravate the load of network, so as to cause
Network congestion, to avoid such case, the above method can also include:
Obtain the resource occupying rate of the cell；If the resource occupying rate of the cell is accounted for greater than Internet resources
With rate threshold value, even when the number of attempt of the terminal present access subzone has reached, maximum accesses number and terminal accounting is small
In being equal to the terminal accounting threshold value, the terminal also upgrades without coverage enhancement grade.Specifically, being adopted in the present embodiment
Resource occupying rate is determined with the ratio of carrier number occupied in network and whole carrier numbers, and formula indicates are as follows: Internet resources
Whole carrier numbers in occupancy=network in occupied carrier number/network.
Optionally, when terminal present position signal conditioning is poor, the single success rate that terminal accesses cell is lower.If this
When terminal carry out the upgrading of coverage enhancement grade, with the upgrading of coverage enhancement grade, maximum access number is also increased accordingly, and same
When terminal access single success rate again it is lower, therefore compared to upgrading before, after terminal upgrade access cell process can occur
The repetition transmission of more numbers causes the waste of Internet resources, to keep Internet resources occupied for a long time to avoid this feelings
Condition, the above method can also include:
Obtain the signal-to-noise ratio of the terminal；If the signal-to-noise ratio of the terminal is less than snr threshold, even when the end
The number of attempt of end present access subzone has reached maximum access number and terminal accounting is less than or equal to the terminal accounting threshold value,
The terminal also upgrades without coverage enhancement grade.
Terminal access method provided by the present application obtains the coverage enhancement grade of the terminal, the terminal in the cell
Accounting, the terminal accounting are the ratio of the quantity of all terminals in the quantity and the cell of all terminals in the first area
Value；According to the coverage enhancement grade of the terminal, the terminal accounting, determine whether the terminal carries out coverage enhancement grade
Upgrading.In general, the terminal for needing to carry out coverage enhancement grade upgrading is to be successfully accessed the lower terminal of rate, believe compared to being located at
Terminal in number biggish first area of intensity, even if these are successfully accessed rate, lower terminal carries out the upgrading of coverage enhancement grade
Afterwards, it is relatively low to be successfully accessed rate.Therefore, when accounting of the terminal quantity in first area in entire cell is larger,
Upgrade without coverage enhancement grade, the occupancy of channel resource can be reduced, guarantee that other are being successfully accessed the higher terminal of rate just
Often accessed.To reduce the waste of channel resource, channel resource utilization rate is improved.
The embodiment of the present application can carry out the division of functional module or functional unit according to above method example to device,
For example, each functional module of each function division or functional unit can be corresponded to, it can also be by two or more function
It can be integrated in a processing module.Above-mentioned integrated module both can take the form of hardware realization, can also use software
Functional module or the form of functional unit are realized.It wherein, is signal to the division of module or unit in the embodiment of the present application
Property, only a kind of logical function partition, there may be another division manner in actual implementation.
Fig. 4 shows a kind of possible structural schematic diagram of device involved in above-described embodiment.The device includes obtaining
Modulus block 201, processing module 202.
Wherein, the acquisition module 201, it is described for obtaining the coverage enhancement grade of terminal, the terminal accounting in cell
Terminal accounting is the ratio of the quantity of all terminals in the quantity and the cell of all terminals in the first area.
Whether the processing module 202 determines the terminal for coverage enhancement grade, the terminal accounting according to terminal
Carry out the upgrading of coverage enhancement grade；If the access number of the terminal reaches the maximum access number, the end is judged
Whether end accounting is greater than the terminal accounting threshold value；If the terminal accounting is greater than the terminal accounting threshold value, the terminal
Upgrade without coverage enhancement grade.
Optionally, the acquisition module 201, is also used to obtain the resource occupying rate of cell.
Optionally, the processing module 202, if the resource occupying rate for being also used to the cell is accounted for greater than Internet resources
With rate threshold value, then the terminal upgrades without coverage enhancement grade.
Optionally, the acquisition module 201, is also used to obtain the signal-to-noise ratio of terminal.
Optionally, the processing module 202, if the signal-to-noise ratio for being also used to terminal is less than snr threshold, the terminal
Upgrade without coverage enhancement grade.
Fig. 5 shows another possible structural schematic diagram of terminal access device involved in above-described embodiment.It should
Device includes: processor 301 and communication interface 302.Processor 301 is for carrying out control management to the movement of device, for example, holding
The step of above-mentioned acquisition module 201 of row, processing module 202 execute, and/or other mistakes for executing techniques described herein
Journey.Communication interface 302 is used to support the communication of device Yu other network entities.Device can also include memory 303 and bus
304, memory 303 is used for the program code and data of storage device.
Wherein, memory 303 can be memory in device etc., which may include volatile memory, example
Such as random access memory；The memory also may include nonvolatile memory, such as read-only memory, flash memory,
Hard disk or solid state hard disk；The memory can also include the combination of the memory of mentioned kind.
Above-mentioned processor 301 can be realization or execute to combine and various illustratively patrols described in present disclosure
Collect box, module and circuit.The processor can be central processing unit, general processor, digital signal processor, dedicated integrated
Circuit, field programmable gate array or other programmable logic device, transistor logic, hardware component or it is any
Combination.It, which may be implemented or executes, combines various illustrative logic blocks, module and electricity described in present disclosure
Road.The processor be also possible to realize computing function combination, such as comprising one or more microprocessors combine, DSP and
The combination etc. of microprocessor.
Bus 304 can be expanding the industrial standard structure (extended industry standard
Architecture, EISA) bus etc..Bus 304 can be divided into address bus, data/address bus, control bus etc..For convenient for table
Show, only indicated with a thick line in Fig. 5, it is not intended that an only bus or a type of bus.
The embodiment of the present application also provides a kind of computer readable storage medium, and finger is stored in computer readable storage medium
It enables, when the network equipment executes the instruction, which executes network in method flow shown in above method embodiment and set
The standby each step executed.
Wherein, computer readable storage medium, such as electricity, magnetic, optical, electromagnetic, infrared ray can be but not limited to or partly led
System, device or the device of body, or any above combination.The more specific example of computer readable storage medium is (non-poor
The list of act) it include: the electrical connection with one or more conducting wires, portable computer diskette, hard disk, random access memory
(random access memory, RAM), read-only memory (read-only memory, ROM), erasable type may be programmed read-only
It is memory (erasable programmable read only memory, EPROM), register, hard disk, optical fiber, portable
Compact disc read-only memory (compact disc read-only memory, CD-ROM), light storage device, magnetic memory
The computer readable storage medium of part or above-mentioned any appropriate combination or any other form well known in the art.
A kind of illustrative storage medium is coupled to processor, to enable a processor to from the read information, and can be to
Information is written in the storage medium.Certainly, storage medium is also possible to the component part of processor.Pocessor and storage media can be with
In application-specific IC (Application Specific Integrated Circuit, ASIC).In the application
In embodiment, computer readable storage medium can be any tangible medium for including or store program, which can be referred to
Enable execution system, device or device use or in connection.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Change or replacement within the technical scope of the present application should all be covered within the scope of protection of this application.Therefore, this Shen
Protection scope please should be subject to the protection scope in claims.
Claims (11)
1. a kind of terminal access method, which is characterized in that the terminal is located in cell coverage area, and the cell is according to signal
Intensity is divided at least one region, wherein signal strength is greater than the region of signal strength threshold at least one described region
First area, which comprises
The coverage enhancement grade of the terminal, the terminal accounting in the cell are obtained, the terminal accounting is firstth area
The ratio of the quantity of all terminals and the quantity of all terminals in the cell in domain；
According to the coverage enhancement grade of the terminal, the terminal accounting, determine whether the terminal carries out coverage enhancement grade
Upgrading.
2. the method according to claim 1, wherein the coverage enhancement grade according to the terminal, described
Terminal accounting, determines whether the terminal carries out the upgrading of coverage enhancement grade, comprising:
According to the coverage enhancement grade of the terminal, the corresponding maximum access number of the coverage enhancement grade of the terminal is determined；
If the access number of the terminal reaches the maximum access number, judge whether the terminal accounting is greater than the end
Hold accounting threshold value；
If the terminal accounting is greater than the terminal accounting threshold value, the terminal upgrades without coverage enhancement grade.
3. -2 described in any item methods according to claim 1, which is characterized in that the method also includes:
Obtain the resource occupying rate of the cell；
If the resource occupying rate of the cell is greater than resource occupying rate threshold value, the terminal is without coverage enhancement
Grade upgrading.
4. -2 described in any item methods according to claim 1, which is characterized in that the method also includes:
Obtain the signal-to-noise ratio of the terminal；
If the signal-to-noise ratio of the terminal is less than snr threshold, the terminal upgrades without coverage enhancement grade.
5. a kind of terminal access device, which is characterized in that the terminal is located in cell coverage area, and the cell is according to signal
Intensity is divided at least one region, wherein signal strength is greater than the region of signal strength threshold at least one described region
First area, described device include:
Module is obtained, for obtaining the coverage enhancement grade of the terminal, the terminal accounting in the cell, the terminal accounting
For the ratio of the quantity of all terminals in the quantity and the cell of all terminals in the first area；
Processing module determines whether the terminal carries out for coverage enhancement grade, the terminal accounting according to the terminal
The upgrading of coverage enhancement grade.
6. device according to claim 5, which is characterized in that
The processing module is also used to the coverage enhancement grade according to the terminal, determines the coverage enhancement grade of the terminal
Corresponding maximum access number；
If the access number of the terminal reaches the maximum access number, judge whether the terminal accounting is greater than the end
Hold accounting threshold value；
If the terminal accounting is greater than the terminal accounting threshold value, the terminal upgrades without coverage enhancement grade.
7. according to the described in any item devices of claim 5-6, which is characterized in that
The acquisition module is also used to obtain the resource occupying rate of the cell；
The processing module, if the resource occupying rate for being also used to the cell is greater than resource occupying rate threshold value, institute
Terminal is stated to upgrade without coverage enhancement grade.
8. according to the described in any item devices of claim 5-6, which is characterized in that
The acquisition module, is also used to obtain the signal-to-noise ratio of the terminal；
The processing module, if the signal-to-noise ratio for being also used to the terminal is less than snr threshold, the terminal is without covering
Enhance grade upgrading.
9. a kind of terminal access device, which is characterized in that described device includes: processor, transceiver and memory；Wherein, it deposits
Reservoir is for storing one or more programs；The one or more program includes computer executed instructions, when the apparatus is operative,
Processor executes the computer executed instructions of memory storage, so that one of any in device perform claim requirement 1 to 4
The terminal access method.
10. a kind of computer readable storage medium, it is stored with instruction in computer readable storage medium, is referred to when computer executes this
When enabling, the computer execute it is one of any in the claims 1 to 4 described in terminal access method.
11. a kind of computer program product comprising instruction, when the computer program product is run on computers, the meter
Calculation machine execute it is one of any in the claims 1 to 4 described in terminal access method.
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| CN112752267A (en) * | 2019-10-31 | 2021-05-04 | 中国移动通信有限公司研究院 | Coverage area determining method, terminal and network side equipment |
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