CN107872816A - Method, arrowband internet-of-things terminal and system for load balancing - Google Patents
Method, arrowband internet-of-things terminal and system for load balancing Download PDFInfo
- Publication number
- CN107872816A CN107872816A CN201610854885.0A CN201610854885A CN107872816A CN 107872816 A CN107872816 A CN 107872816A CN 201610854885 A CN201610854885 A CN 201610854885A CN 107872816 A CN107872816 A CN 107872816A
- Authority
- CN
- China
- Prior art keywords
- cell
- resident
- values
- things terminal
- arrowband internet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of for the method for load balancing, arrowband internet-of-things terminal and system, it is related to moving communicating field.Method therein includes：Arrowband internet-of-things terminal receives the cell selection parameters of base station broadcast；Arrowband internet-of-things terminal carries out channel measurement according to cell selection parameters to adjacent cell, to be determined for compliance with the cell of resident standard；Arrowband internet-of-things terminal randomly chooses a cell in the cell for meeting resident standard and is resident.It is achieved thereby that the load balancing of arrowband Internet of Things.
Description
Technical field
The present invention relates to moving communicating field, more particularly to a kind of method for load balancing, arrowband internet-of-things terminal
And system.
Background technology
It is predicted that the year two thousand twenty MTC connection number will reach 5,000,000,000.There is an urgent need to open up new business growth point for operator
To tackle the situation of traditional person to person's communication increasingly saturation, Internet of Things turns into Recent study focus.3GPP standards are being ground at present
Study carefully and use cellular networks carry internet of things service, but the different from those ratio of the business of conventional cellular network carrying and internet of things service
It is larger.Therefore need to carry out cellular network corresponding function enhancing and optimization, more preferably to meet Internet of Things application demand.Internet of Things
Network termination is high to cost, power consumption requirements, simplifies the requirement measured terminal in R13 standards for this, further to simplify eventually
End design, helps terminal power saving.
Arrowband Internet of Things target supports that terminal user is mostly static per the connection of the terminal of cell 50,000, and many same type users
Cluster is distributed, and how to guide magnanimity terminal to be uniformly distributed between multiple cell or multicarrier, and lifting resource utilization and terminal expires
Meaning degree.Narrower arrowband Internet of Things carrier bandwidths are 180kHz, if multicarrier is continuously disposed in a certain frequency range, terminal receives overloading
Ripple signal power difference unobvious, tradition is based on the poor controllability for receiving level sort method.Existing LTE load-balancing techniques lead to
Realized usually through the mode of switching, the certain customers of heavier loads cell are switched into load phase by optimizing cell handoff parameter
To lighter cell.Arrowband internet-of-things terminal does not support measurement to report and switch to reduce cost and power consumption, therefore can not weigh
With existing load-balancing technique.
The content of the invention
A technical problem to be solved by this invention is：How the load balancing of arrowband Internet of Things is realized.
One side according to embodiments of the present invention, there is provided a kind of method for load balancing, including：Arrowband Internet of Things
Network termination receives the cell selection parameters of base station broadcast；Arrowband internet-of-things terminal carries out letter according to cell selection parameters to adjacent cell
Road measures, to be determined for compliance with the cell of resident standard；Arrowband internet-of-things terminal randomly chooses in the cell for meeting resident standard
One cell is resident.
Other side according to embodiments of the present invention, there is provided a kind of arrowband internet-of-things terminal for load balancing,
Including：Parameter receiving module, for receiving the cell selection parameters of base station broadcast；Channel measurement module, for being selected according to cell
Select parameter and channel measurement is carried out to adjacent cell, to be determined for compliance with the cell of resident standard；Resident module, for meeting resident mark
One cell of random selection is resident in accurate cell.
Another aspect according to embodiments of the present invention, there is provided a kind of arrowband Internet of things system for load balancing,
Including：Base station, and above-mentioned arrowband internet-of-things terminal.
The present invention receives the cell selection parameters of base station broadcast by arrowband internet-of-things terminal, and according to cell selection parameters
Channel measurement is carried out to adjacent cell, it is then random in the cell for meeting resident standard to be determined for compliance with the cell of resident standard
One cell of selection is resident.It is achieved thereby that the load balancing of arrowband Internet of Things.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 shows that the present invention is used for the schematic flow sheet of one embodiment of the method for load balancing.
Fig. 2 shows that the present invention is used for the schematic flow sheet of another embodiment of the method for load balancing.
Fig. 3 A show that the present invention is used for the schematic flow sheet of another embodiment of the method for load balancing.
Fig. 3 B show that the present invention is used for the schematic flow sheet of the further embodiment of the method for load balancing.
Fig. 4 shows that the present invention is used for the schematic flow sheet of another embodiment of the method for load balancing.
Fig. 5 shows that the present invention is used for the structural representation of one embodiment of the arrowband internet-of-things terminal of load balancing.
Fig. 6 shows that the present invention is used for the structural representation of one embodiment of the channel measurement module of load balancing.
Fig. 7 shows that the present invention is used for the structural representation of one embodiment of the arrowband Internet of things system of load balancing.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The method for load balancing of one embodiment of the invention is described with reference to Fig. 1.
Fig. 1 shows that the present invention is used for the schematic flow sheet of one embodiment of the method for load balancing.As shown in figure 1, should
The method for load balancing in embodiment comprises the following steps：
Step S102, arrowband internet-of-things terminal receive the cell selection parameters of base station broadcast.
For example, the cell selection parameters of base station broadcast include：Minimum signal quality Qqualmin, minimum signal strength
Qrxlevmin, terminal transmission power compensating value Pcompensation, cell selection offset Qoffsettemp。
Step S104, arrowband internet-of-things terminal carries out channel measurement according to cell selection parameters to adjacent cell, to determine to accord with
Close the cell of resident standard.
For example, arrowband internet-of-things terminal can be determined for compliance with the cell of resident standard according to S criterions.
Step S106, arrowband internet-of-things terminal randomly choose a cell in the cell for meeting resident standard and stayed
Stay.
By the above method, after terminal is determined for compliance with the cell of resident standard, one cell of random selection is resident, from
And the load balancing of arrowband Internet of Things is realized, and then efficiently solve that great amount of terminals selection same carrier wave is resident or same carrier wave
The situation of initiation business, user throughput and satisfaction are lifted while lifting each carrier resource utilization rate.
The method for load balancing of another embodiment of the present invention is described with reference to Fig. 2.
Fig. 2 shows that the present invention is used for the schematic flow sheet of another embodiment of the method for load balancing.The present embodiment is retouched
State the situation for selecting progress load balancing when arrowband internet-of-things terminal is in Idle state by cell.As shown in Fig. 2 in step
On the basis of S102, in the present embodiment step S202, the cell selection parameters of base station broadcast also include relative to most strong cell
Maximum deviation Qbias。
Step S203, arrowband internet-of-things terminal can measure received signal strength Qrxlevmeas, received signal quality
Qqualmeas。
Step S204, arrowband internet-of-things terminal calculate estimation selection signal strength S according to formula (1) and formula (2)rxlevWith
Selection signal quality Squal：
Srxlev=Qrxlevmeas–Qrxlevmin–Pcompensation-Qoffsettemp (1)
Squal=Qqualmeas–Qqualmin-Qoffsettemp (2)
Step S205, if SrxlevMore than zero and SqualMore than zero, then the cell is defined as meeting resident standard
Cell.
Step S206, to meeting the cell of resident standard according to SrxlevDescending sequence.
Step S207, if the S corresponding to the cell of sequence i-thrxlevLess than or equal to corresponding to the cell of sequence first
SrxlevWith QbiasDifference, then by sort i-th cell rejected from the cell for meeting resident standard.
Step S208, S of the arrowband internet-of-things terminal in the cell for meeting resident standardrxlevMaximum predetermined number it is small
A cell is randomly choosed in area to be resident.
For example, S of the arrowband internet-of-things terminal in the cell for meeting S criterionsrxlevSelected at random in the maximum cell of three
A cell is selected to be resident.To meeting the cell of resident standard according to SrxlevAfter descending sequence, if sequence second is small
S corresponding to arearxlevLess than or equal to the S corresponding to the cell of sequence firstrxlevWith QbiasDifference, then by sort second cell
Rejected from the cell for meeting resident standard.Similarly, if sequence the 3rd cell corresponding to SrxlevLess than or equal to sequence first
Cell corresponding to SrxlevWith QbiasDifference, then by sort the 3rd cell rejected from the cell for meeting resident standard.
By the above method, maximum deviation Q that terminal passes through most strong cellbiasEliminate dtr signal meets resident mark
Accurate cell, meet the cell of resident standard so as to further determine that and be resident from one cell of random selection, by narrow
Cell selection when being in Idle state with Internet of Things realizes load balancing, while ensure that the letter that arrowband internet-of-things terminal receives
Number quality.
Fig. 3 A show that the present invention is used for the schematic flow sheet of another embodiment of the method for load balancing.The present embodiment is retouched
State the situation for carrying out load balancing when arrowband internet-of-things terminal is in Idle state by cell reselection.Situation with display system is as schemed
Shown in 3A, on the basis of step S102, in the present embodiment step S302A, the cell selection parameters of base station broadcast also include：Together
Frequency measurement starts thresholding SIntraSearchP, co-frequency cell reselection time cycle Treselection_Intra, serving cell gravity treatment lagged value
QHyst, relative to the maximum deviation Q of most strong cellbias, adjacent cell offset Qoffset.Step S303 is to step S305 reference pictures
Step S203 to step S205 shown in 2.
Step S306A, Srxlev≤SIntraSearchPShi Qidong co-frequency cells measure, and are calculated according to formula (3) and formula (4)
Meet the R values of the cell of resident standard, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent cell
Grade, Qmeas,sRepresent serving cell Reference Signal Received Power, Qmeas,nRepresent n-th of adjacent cell Reference Signal Received Power：
Rs=Qmeas,s+QHyst-Qoffsettemp (3)
Rn=Qmeas,n-Qoffset-Qoffsettemp (4)
Step S307, to meeting the cell of resident standard according to the descending sequence of R values.
Step S308A, if in same frequency reselection time cycle Treselection_IntraR values corresponding to the cell of internal sort i-th
Less than or equal to the R values and Q corresponding to the cell of sequence firstbiasDifference, then by sort i-th cell from meeting resident standard
Rejected in cell.
Step S309, the maximum predetermined number of R value of the arrowband internet-of-things terminal in the cell for meeting resident standard it is small
A cell is randomly choosed in area to be resident.
For example, randomly choosed in the cell of three of R values maximum of the arrowband internet-of-things terminal in the cell for meeting S criterions
One cell is resident.After meeting the cell of resident standard according to the descending sequence of R values, if the cell institute of sequence second
In same frequency reselection time cycle Treselection_IntraR values corresponding to interior be less than or equal to R values corresponding to the cell of sequence first and
QbiasDifference, then by sort second cell rejected from the cell for meeting resident standard.Similarly, if the cell institute of sequence the 3rd
Corresponding SrxlevLess than or equal to the R values and Q corresponding to the cell of sequence firstbiasDifference, then by sort the 3rd cell from symbol
Close and rejected in the cell of resident standard.
Fig. 3 B show that the present invention is used for the schematic flow sheet of the further embodiment of the method for load balancing.The present embodiment is retouched
State the situation for carrying out load balancing when arrowband internet-of-things terminal is in Idle state by cell reselection.The situation of alien frequencies system is as schemed
Shown in 3B, on the basis of step S102, in the present embodiment step S302B, the cell selection parameters of base station broadcast also include：It is different
Frequency measurement starts thresholding SInterSearchP, alien-frequency district reselection time cycle Treselection_Inter, serving cell gravity treatment lagged value
QHyst, relative to the maximum deviation Q of most strong cellbias, adjacent cell offset Qoffset。
Step S303B, Srxlev≤SInterSearchPShi Qidong alien-frequency districts measure, and are calculated according to formula (3) and formula (4)
Meet the R values of the cell of resident standard, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent cell
Grade, Qmeas,sRepresent serving cell Reference Signal Received Power, Qmeas,nRepresent n-th of adjacent cell Reference Signal Received Power：
Rs=Qmeas,s+QHyst-Qoffsettemp (3)
Rn=Qmeas,n-Qoffset-Qoffsettemp (4)
Step S308B, if in alien-frequency district reselection time cycle Treselection_InterCorresponding to the cell of internal sort i-th
R values are less than or equal to R values and Q corresponding to the cell of sequence firstbiasDifference, then by sort i-th cell from meeting resident mark
Rejected in accurate cell.
Remaining step will not be described here with reference to the situation in display system.
By the above method, maximum deviation Q that terminal passes through most strong cellbiasEliminate dtr signal meets resident mark
Accurate cell, meet the cell of resident standard so as to further determine that and be resident from one cell of random selection, by narrow
Cell reselection when being in Idle state with Internet of Things realizes load balancing, while ensure that the letter that arrowband internet-of-things terminal receives
Number quality.
The method for load balancing of another embodiment of the invention is described with reference to Fig. 4.
Fig. 4 shows that the present invention is used for the schematic flow sheet of another embodiment of the method for load balancing.The present embodiment is retouched
State the situation for carrying out load balancing when arrowband internet-of-things terminal is in connected state by redirecting.As shown in figure 4, shown in Fig. 1
On the basis of embodiment, before performing step S102, the present embodiment also includes：
Step S400, arrowband internet-of-things terminal receive the radio resource control RRC connection release message that base station is sent and released
Put RRC connections；
Step S401, arrowband internet-of-things terminal initiate cell selection procedure in the cell of storage.If it is suitable to select
Cell is resident, then continues executing with step S402 and subsequent step, restart cell selection procedure.
It will be understood by those skilled in the art that after serving cell overload, can be carried out between serving cell and neighbor cell
In the case of load information interaction, if it is possible to which the selected Target cell redirected simultaneously sends redirection to arrowband internet-of-things terminal
Message, then it can be realized and redirected by method of the prior art, will not be described here.And weight can not be selected in serving cell
During the Target cell of orientation, again choosing of the arrowband internet-of-things terminal for serving cell can be realized using the method for the present embodiment
Select.
By the above method, load balancing is realized by redirecting when arrowband internet-of-things terminal is in connected state, and then
Efficiently solve the technical problem for not supporting that cell switches in the prior art.
It is used for one embodiment of the arrowband internet-of-things terminal of load balancing with reference to Fig. 5 description present invention.
Fig. 5 shows that the present invention is used for the structural representation of one embodiment of the arrowband internet-of-things terminal of load balancing.Such as
Shown in Fig. 5, the arrowband internet-of-things terminal 50 for load balancing in the embodiment includes：
Parameter receiving module 502, for receiving the cell selection parameters of base station broadcast.
Channel measurement module 504, for carrying out channel measurement to adjacent cell according to cell selection parameters, to be determined for compliance with staying
Stay the cell of standard.
Resident module 506, it is resident for randomly choosing a cell in the cell for meeting resident standard.
Optionally, it is resident module 506 and is used for the S in the cell for meeting resident standardrxlevMaximum predetermined number it is small
A cell is randomly choosed in area to be resident.
Optionally, it is resident the cell of the predetermined number for the R values maximum that module 506 is used in the cell for meeting resident standard
One cell of middle random selection is resident.
Optionally, arrowband internet-of-things terminal can also include：
Message reception module 500, for receiving the wireless heterogeneous networks connection release message of base station transmission.
Wireless heterogeneous networks module 501, for discharging wireless heterogeneous networks connection, subsequently to carry out cell selection.
Fig. 6 shows that the present invention is used for the structural representation of one embodiment of the channel measurement module of load balancing.Such as Fig. 6
Shown, the channel measurement module 504 in the embodiment includes：
Signal measurement unit 6041, for measuring received signal strength Qrxlevmeas, received signal quality Qqualmeas。
Signal estimation unit 6042, for calculating estimation selection signal strength S according to following methodrxlevWith selection signal matter
Measure Squal：
Srxlev=Qrxlevmeas–Qrxlevmin–Pcompensation-Qoffsettemp
Squal=Qqualmeas–Qqualmin-Qoffsettemp
Cell determining unit 6043, if for SrxlevMore than zero and SqualMore than zero, then the cell is defined as according with
Close the cell of resident standard.
Optionally, channel measurement module 504 can also include：
Sequencing unit 6044, for the cell to meeting resident standard according to SrxlevDescending sequence.
Culling unit 6045, if the S corresponding to for the cell of sequence i-thrxlevLess than or equal to the cell institute of sequence first
Corresponding SrxlevWith QbiasDifference, then by sort i-th cell rejected from the cell for meeting resident standard.
Optionally, channel measurement module 504 can also include：
Common frequency measurement unit 6046, for Srxlev≤SIntraSearchPShi Qidong co-frequency cells measure, and count in accordance with the following methods
Operator closes the R values of the cell of resident standard, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent small
Area's grade, Qmeas,sRepresent serving cell Reference Signal Received Power, Qmeas,nRepresent that n-th of adjacent cell reference signal receives work(
Rate：
Rs=Qmeas,s+QHyst-Qoffsettemp
Rn=Qmeas,n-Qoffset-Qoffsettemp
Sequencing unit 6044 is additionally operable to the cell for meeting resident standard according to the descending sequence of R values.
Culling unit 6045 is additionally operable in same frequency reselection time cycle Treselection_IntraIf the cell institute of interior sequence i-th is right
The R values answered are less than or equal to R values and Q corresponding to the cell of sequence firstbiasDifference, then i-th cell of sorting stayed from meeting
Stay and rejected in the cell of standard.
Optionally, channel measurement module 504 also includes：
Different-frequency measure unit 6047, for Srxlev≤SInterSearchPShi Qidong alien-frequency districts measure, and count in accordance with the following methods
Operator closes the R values of the cell of resident standard, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent small
Area's grade, Qmeas,sRepresent serving cell Reference Signal Received Power, Qmeas,nRepresent that n-th of adjacent cell reference signal receives work(
Rate：
Rs=Qmeas,s+QHyst-Qoffsettemp
Rn=Qmeas,n-Qoffset-Qoffsettemp
Sequencing unit 6044 is additionally operable to the cell for meeting resident standard according to the descending sequence of R values.
Culling unit 6045 is additionally operable in alien-frequency district reselection time cycle Treselection_InterIf the cell of interior sequence i-th
Corresponding R values are less than or equal to R values and Q corresponding to the cell of sequence firstbiasDifference, then by sort i-th cell from symbol
Close and rejected in the cell of resident standard.
It is used for one embodiment of the arrowband Internet of things system of load balancing with reference to Fig. 7 description present invention.
Fig. 7 shows that the present invention is used for the structural representation of one embodiment of the arrowband Internet of things system of load balancing.Such as
Shown in Fig. 7, the arrowband Internet of things system 70 for load balancing in the embodiment includes：
Base station 702, and above-mentioned arrowband internet-of-things terminal 50.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, can also by program come instruct correlation hardware complete, program can be stored in a kind of computer-readable storage
In medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Presently preferred embodiments of the present invention is these are only, is not intended to limit the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (17)
1. a kind of method for load balancing, including：
Arrowband internet-of-things terminal receives the cell selection parameters of base station broadcast；
Arrowband internet-of-things terminal carries out channel measurement according to cell selection parameters to adjacent cell, to be determined for compliance with the small of resident standard
Area；
Arrowband internet-of-things terminal randomly chooses a cell in the cell for meeting resident standard and is resident.
2. the method as described in claim 1, it is characterised in that the cell selection parameters of the base station broadcast include：Minimum letter
Number quality Qqualmin, minimum signal strength Qrxlevmin, terminal transmission power compensating value Pcompensation, cell selection offset
Qoffsettemp；
The arrowband internet-of-things terminal carries out channel measurement according to cell selection parameters to adjacent cell, to be determined for compliance with resident standard
Cell include：
Arrowband internet-of-things terminal measurement received signal strength Qrxlevmeas, received signal quality Qqualmeas；
Arrowband internet-of-things terminal calculates estimation selection signal strength S according to following methodrxlevWith selection signal quality Squal：
Srxlev=Qrxlevmeas–Qrxlevmin–Pcompensation-Qoffsettemp
Squal=Qqualmeas–Qqualmin-Qoffsettemp
If SrxlevMore than zero and SqualMore than zero, then the cell is defined as to the cell for meeting resident standard.
3. method as claimed in claim 2, it is characterised in that the cell selection parameters of the base station broadcast also include relative to
The maximum deviation Q of most strong cellbias；
The arrowband internet-of-things terminal carries out channel measurement according to cell selection parameters to adjacent cell, to be determined for compliance with resident standard
Cell also include：
To meeting the cell of resident standard according to SrxlevDescending sequence；
If the S corresponding to the cell of sequence i-thrxlevLess than or equal to the S corresponding to the cell of sequence firstrxlevWith QbiasDifference,
Then the cell by sequence i-th is rejected from the cell for meeting resident standard.
4. method as claimed in claim 2 or claim 3, it is characterised in that the arrowband internet-of-things terminal is meeting resident standard
A cell is randomly choosed in cell and carries out resident include：
S of the arrowband internet-of-things terminal in the cell for meeting resident standardrxlevRandomly choosed in the cell of maximum predetermined number
One cell is resident.
5. method as claimed in claim 2, it is characterised in that the cell selection parameters of the base station broadcast also include：With frequency
Measurement starts thresholding SIntraSearchP, co-frequency cell reselection time cycle Treselection_Intra, serving cell gravity treatment lagged value
QHyst, relative to the maximum deviation Q of most strong cellbias, adjacent cell offset Qoffset；
The arrowband internet-of-things terminal carries out channel measurement according to cell selection parameters to adjacent cell, to be determined for compliance with resident standard
Cell also include：
Srxlev≤SIntraSearchPShi Qidong co-frequency cells measure, and calculate the R for the cell for meeting resident standard in accordance with the following methods
Value, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent cell grade, Qmeas,sRepresent that service is small
Area's Reference Signal Received Power, Qmeas,nRepresent n-th of adjacent cell Reference Signal Received Power：
Rs=Qmeas,s+QHyst-Qoffsettemp
Rn=Qmeas,n-Qoffset-Qoffsettemp
To meeting the cell of resident standard according to the descending sequence of R values；
If in same frequency reselection time cycle Treselection_IntraR values corresponding to the cell of internal sort i-th are less than or equal to sequence the
R values and Q corresponding to one cellbiasDifference, then by sort i-th cell rejected from the cell for meeting resident standard.
6. method as claimed in claim 2, it is characterised in that the cell selection parameters of the base station broadcast also include：Alien frequencies
Measurement starts thresholding SInterSearchP, alien-frequency district reselection time cycle Treselection_Inter, serving cell gravity treatment lagged value
QHyst, relative to the maximum deviation Q of most strong cellbias, adjacent cell offset Qoffset；
The arrowband internet-of-things terminal carries out channel measurement according to cell selection parameters to adjacent cell, to be determined for compliance with resident standard
Cell also include：
Srxlev≤SInterSearchPShi Qidong alien-frequency districts measure, and calculate the R for the cell for meeting resident standard in accordance with the following methods
Value, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent cell grade, Qmeas,sRepresent that service is small
Area Reference Signal Received Power Qmeas,nRepresent n-th of adjacent cell Reference Signal Received Power：
Rs=Qmeas,s+QHyst-Qoffsettemp
Rn=Qmeas,n-Qoffset-Qoffsettemp
To meeting the cell of resident standard according to the descending sequence of R values；
If in alien-frequency district reselection time cycle Treselection_InterR values corresponding to the cell of sequence i-th are less than or equal to sequence
R values and Q corresponding to first cellbiasDifference, then by sort i-th cell rejected from the cell for meeting resident standard.
7. the method as described in claim 5 or 6, it is characterised in that the arrowband internet-of-things terminal is meeting resident standard
A cell is randomly choosed in cell and carries out resident include：
One is randomly choosed in the cell of the maximum predetermined number of R values of the arrowband internet-of-things terminal in the cell for meeting resident standard
Individual cell is resident.
8. the method as described in any one of claims 1 to 3, it is characterised in that methods described also includes：
Arrowband internet-of-things terminal receives the wireless heterogeneous networks connection release message that base station is sent；
Arrowband internet-of-things terminal release wireless heterogeneous networks connection, subsequently to carry out cell selection.
9. a kind of arrowband internet-of-things terminal for load balancing, including：
Parameter receiving module, for receiving the cell selection parameters of base station broadcast；
Channel measurement module, for carrying out channel measurement to adjacent cell according to cell selection parameters, to be determined for compliance with resident standard
Cell；
Resident module, it is resident for randomly choosing a cell in the cell for meeting resident standard.
10. arrowband internet-of-things terminal as claimed in claim 9, it is characterised in that the cell selection parameters of the base station broadcast
Including：Minimum signal quality Qqualmin, minimum signal strength Qrxlevmin, terminal transmission power compensating value Pcompensation, cell choosing
Select offset Qoffsettemp；
The channel measurement module includes：
Signal measurement unit, for measuring received signal strength Qrxlevmeas, received signal quality Qqualmeas；
Signal estimation unit, for calculating estimation selection signal strength S according to following methodrxlevWith selection signal quality Squal：
Srxlev=Qrxlevmeas–Qrxlevmin–Pcompensation-Qoffsettemp
Squal=Qqualmeas–Qqualmin-Qoffsettemp
Cell determining unit, if for SrxlevMore than zero and SqualMore than zero, then the cell is defined as meeting resident mark
Accurate cell.
11. arrowband internet-of-things terminal as claimed in claim 10, it is characterised in that the cell selection parameters of the base station broadcast
Also include the maximum deviation Q relative to most strong cellbias；
The channel measurement module also includes：
Sequencing unit, for the cell to meeting resident standard according to SrxlevDescending sequence；
Culling unit, if the S corresponding to for the cell of sequence i-thrxlevLess than or equal to corresponding to the cell of sequence first
SrxlevWith QbiasDifference, then by sort i-th cell rejected from the cell for meeting resident standard.
12. the arrowband internet-of-things terminal as described in claim 10 or 11, it is characterised in that the resident module is used for：
S in the cell for meeting resident standardrxlevOne cell of random selection is stayed in the cell of maximum predetermined number
Stay.
13. arrowband internet-of-things terminal as claimed in claim 10, it is characterised in that the cell selection parameters of the base station broadcast
Also include：Common frequency measurement starts thresholding SIntraSearchP, co-frequency cell reselection time cycle Treselection_Intra, serving cell
Gravity treatment lagged value QHyst, relative to the maximum deviation Q of most strong cellbias, adjacent cell offset Qoffset；
The channel measurement module also includes：
Common frequency measurement unit, for Srxlev≤SIntraSearchPShi Qidong co-frequency cells measure, and calculate to meet in accordance with the following methods and stay
Stay the R values of the cell of standard, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent cell grade,
Qmeas,sRepresent serving cell Reference Signal Received Power, Qmeas,nRepresent n-th of adjacent cell Reference Signal Received Power：
Rs=Qmeas,s+QHyst-Qoffsettemp
Rn=Qmeas,n-Qoffset-Qoffsettemp
The sequencing unit is additionally operable to the cell for meeting resident standard according to the descending sequence of R values；
If the culling unit is additionally operable in same frequency reselection time cycle Treselection_IntraCorresponding to the cell of internal sort i-th
R values are less than or equal to R values and Q corresponding to the cell of sequence firstbiasDifference, then by sort i-th cell from meeting resident mark
Rejected in accurate cell.
14. arrowband internet-of-things terminal as claimed in claim 10, it is characterised in that the cell selection parameters of the base station broadcast
Also include：Different-frequency measure starts thresholding SInterSearchP, alien-frequency district reselection time cycle Treselection_Inter, serving cell
Gravity treatment lagged value QHyst, relative to the maximum deviation Q of most strong cellbias, n-th of adjacent cell Reference Signal Received Power Qmeas,n、
The offset Q of adjacent celloffset；
The channel measurement module also includes：
Different-frequency measure unit, for Srxlev≤SInterSearchPShi Qidong alien-frequency districts measure, and calculate to meet in accordance with the following methods and stay
Stay the R values of the cell of standard, RsRepresent the R values of serving cell, RnThe R values of n-th of adjacent cell are represented, R values represent cell grade,
Qmeas,sRepresent serving cell Reference Signal Received Power Qmeas,nRepresent n-th of adjacent cell Reference Signal Received Power：
Rs=Qmeas,s+QHyst-Qoffsettemp
Rn=Qmeas,n-Qoffset-Qoffsettemp
The sequencing unit is additionally operable to the cell for meeting resident standard according to the descending sequence of R values；
If the culling unit is additionally operable in alien-frequency district reselection time cycle Treselection_InterThe cell institute of internal sort i-th is right
The R values answered are less than or equal to R values and Q corresponding to the cell of sequence firstbiasDifference, then i-th cell of sorting stayed from meeting
Stay and rejected in the cell of standard.
15. the arrowband internet-of-things terminal as described in claim 13 or 14, it is characterised in that the resident module is used for：
One cell of random selection is stayed in the cell of the predetermined number of R values maximum in the cell for meeting resident standard
Stay.
16. the arrowband internet-of-things terminal as described in any one of claim 9 to 11, it is characterised in that the arrowband Internet of Things is whole
End also includes：
Message reception module, for receiving the wireless heterogeneous networks connection release message of base station transmission；
Wireless heterogeneous networks module, for discharging wireless heterogeneous networks connection, subsequently to carry out cell selection.
17. a kind of arrowband Internet of things system for load balancing, including：
Base station, and the arrowband internet-of-things terminal as described in any one of claim 9 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854885.0A CN107872816B (en) | 2016-09-27 | 2016-09-27 | Load balancing method, narrow-band Internet of things terminal and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854885.0A CN107872816B (en) | 2016-09-27 | 2016-09-27 | Load balancing method, narrow-band Internet of things terminal and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107872816A true CN107872816A (en) | 2018-04-03 |
| CN107872816B CN107872816B (en) | 2021-04-20 |
Family
ID=61750882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610854885.0A Active CN107872816B (en) | 2016-09-27 | 2016-09-27 | Load balancing method, narrow-band Internet of things terminal and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107872816B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020077486A1 (en) * | 2018-10-15 | 2020-04-23 | 华为技术有限公司 | Cell selection method and terminal device |
| CN113411832A (en) * | 2020-03-17 | 2021-09-17 | 中国电信股份有限公司 | Load balancing method, load balancer and Internet of things system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1812286A (en) * | 2005-01-27 | 2006-08-02 | 朗迅科技公司 | Balancing load of cells in inter-frequency handover in multi-band cellular communication networks |
| CN101572921A (en) * | 2008-04-29 | 2009-11-04 | 株式会社Ntt都科摩 | Method and device for cell reselection in mobile communication system |
| US20120021791A1 (en) * | 2010-07-26 | 2012-01-26 | Electronics And Telecommunications Research Institute | Method for handover decision using virtual scheduler and handover control device thereof |
| CN105163350A (en) * | 2015-09-02 | 2015-12-16 | 重庆大学 | Machine communication oriented load balancing method |
-
2016
- 2016-09-27 CN CN201610854885.0A patent/CN107872816B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1812286A (en) * | 2005-01-27 | 2006-08-02 | 朗迅科技公司 | Balancing load of cells in inter-frequency handover in multi-band cellular communication networks |
| CN101572921A (en) * | 2008-04-29 | 2009-11-04 | 株式会社Ntt都科摩 | Method and device for cell reselection in mobile communication system |
| US20120021791A1 (en) * | 2010-07-26 | 2012-01-26 | Electronics And Telecommunications Research Institute | Method for handover decision using virtual scheduler and handover control device thereof |
| CN105163350A (en) * | 2015-09-02 | 2015-12-16 | 重庆大学 | Machine communication oriented load balancing method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020077486A1 (en) * | 2018-10-15 | 2020-04-23 | 华为技术有限公司 | Cell selection method and terminal device |
| CN112840703A (en) * | 2018-10-15 | 2021-05-25 | 华为技术有限公司 | Method for selecting cell and terminal equipment |
| CN112840703B (en) * | 2018-10-15 | 2022-07-19 | 华为技术有限公司 | Method for selecting cell and terminal equipment |
| CN113411832A (en) * | 2020-03-17 | 2021-09-17 | 中国电信股份有限公司 | Load balancing method, load balancer and Internet of things system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107872816B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104080133B (en) | A kind of mobility optimization method, user equipment and access network equipment | |
| CN101299860B (en) | Measurement control method, subscriber terminal, network side equipment and system | |
| CN107454633B (en) | Method and device for determining voice communication network | |
| CN101730164B (en) | Method and terminal for reselecting cell | |
| US8787911B2 (en) | Load balancing in a mobile communication network | |
| CN101998514B (en) | Method and controller for balancing load among cells of multiband time division-synchronous code division multiple access (TD-SCDMA) system | |
| US20130223403A1 (en) | Method, device, and system for optimizing radio network | |
| CN103458462A (en) | Cell selection method and equipment | |
| EP2919523A1 (en) | Downlink-direction remote radio unit selection decision method and device | |
| CN103501519B (en) | Method to select cell in hierarchical cellular structure based on cell quality | |
| TW201618573A (en) | Method of handling cell reselection | |
| CN103987085A (en) | Inter-cell mobility load balance method and mobility load balance device | |
| US6477367B1 (en) | System and method for identifying hot spots in the D-AMPS wireless system | |
| CN102695229B (en) | Method and device for realizing service base station switching in WiMAX network | |
| CN102651893A (en) | Service base station switching method, system and device | |
| CN104244346A (en) | Method and device for determining switched target cells | |
| CN105101344B (en) | A kind of selection of cell and its control method and device | |
| CN103209445B (en) | Reorientation method, apparatus and system | |
| CN105657749B (en) | A kind of method, apparatus of LTE inter-cell load equilibrium and base station | |
| CN102202351B (en) | Method for optimizing load balance among cells | |
| CN107872816A (en) | Method, arrowband internet-of-things terminal and system for load balancing | |
| CN106304207A (en) | Residence reselecting under multicarrier scene, reduction community access the method and apparatus of load | |
| CN102892144A (en) | Redirection processing method and device | |
| CN105359576A (en) | Load balancing method and base station | |
| CN101835217B (en) | Cell selection method and device in reselected cells determined by multiple reselection modes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |