CN109413688A - A method of the intelligent management link channel based on GPRS channel characteristics - Google Patents
A method of the intelligent management link channel based on GPRS channel characteristics Download PDFInfo
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- CN109413688A CN109413688A CN201811435986.XA CN201811435986A CN109413688A CN 109413688 A CN109413688 A CN 109413688A CN 201811435986 A CN201811435986 A CN 201811435986A CN 109413688 A CN109413688 A CN 109413688A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- 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
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- Computer Security & Cryptography (AREA)
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Abstract
A method of the intelligent management link channel based on GPRS channel characteristics, this method realize optimum link channel selecting by the channel characteristics of application scenarios where obtaining each uplink module.The present invention is realized in optimal time window uplink communication by time window management strategy under single module application scenarios, further increases the stability and reliability of communication.Under multimode application scenarios, optimal operator's uplink communication is realized by Carrier Management strategy, further increases the stability and reliability of communication.
Description
Technical field
The present invention relates in power information acquisition system to the problem of management of uplink path, it is specifically a kind of to be based on
The method of the intelligent management link channel of GPRS channel characteristics is primarily adapted for use in the automatic maintenance of uplink module link and pipe
Reason.
Background technique
Electric power enterprise operation with building power generation transmission and disttrbution to adapt to the variation of user demand, restorer is stopped transport
Mode takes the modern smart grid with self-healing, interaction, distribution, flourishing trade market and optimization assets
Generation.Power information acquisition system scale increases year by year at present, is adopted by power information acquisition system to terminal temperature difference table data
Collection forms the data basis that smart grid " intelligence " is changed；GPRS uplink communication is reported to important the one of Intelligent Master as data
A link, often will appear fail to report, understatement or the problem of can not report, to miss best malfunction elimination or scheduling decision
Time hides some dangers for for power grid security.
Currently, electric power acquisition terminal mostly uses greatly single GPRS uplink module configuration mode, by section platform area scale, base station
The factors such as bearing capacity, operator's SIM card and base station signal covering influence, and the uplink communication be easy to causeing is unstable；The solution of problem
Certainly scheme is often the personnel that arrange work deeply scene, is looked by row using " Shift Method " factor to affect, after replacing influence factor
It is greater than 24 hours stability to comparison-tracking uplink communication；Using the program orientation problem period is long, efficiency is lower, more particularly to
When from far-off regions, staff is spent on live road the most of the time.Therefore, in order to improve the steady of GPRS uplink communication
Qualitative and reliability is that " intelligence " power grid is timely, accurately provides basic data, it is necessary to find a kind of more convenient, efficient
GPRS uplink communication technical solution.
Due to the lack of uniformity of each region high speed network transformation development and the hysteresis quality for subtracting frequency and moving back clothes of slow network, respectively
Operator differs greatly to network support in different geographical, and the invention proposes a kind of suitable for the intelligence based on GPRS channel characteristics
The method in link management channel can be changed.
Summary of the invention
The purpose of the present invention is in complicated GPRS network environment, uplink network communication intelligence adaptability is bad, mentions
A kind of method of the intelligent management link channel based on GPRS channel characteristics out.This method is based on single operator's network state
Feature can screen out optimum network state period by the algorithm；Network state feature based on multiple network operators is led to
The best operator's link channel of present period can be screened out by crossing the algorithm；Finally realize optimal GPRS uplink communication decision, really
It protects GPRS data feedback channel and interacts the stabilization to begin with main website.
The technical scheme is that
A method of the intelligent management link channel based on GPRS channel characteristics, this method is by obtaining each uplink mould
The channel characteristics of application scenarios where block, realize optimum link channel selecting.
Further, specific step is as follows for this method:
Step a, applied field where uplink module within the scope of the time window N of accumulation is obtained with default fixed collection period T
The network state feature [A1, A2 ... Ai ... An] of Jing Ji belonging network operator, n indicate sampling sum, and n=N/T, i expression are adopted
Sample number；Wherein, network state feature Ai includes signal strength Sigi and service cell request information Celli；
Step b, the signal strength overall coefficient Q and signal hopping coefficient P in this sampling time are obtained using following formula；
Wherein, S is signal constant, is fixed as 16；
Step c, this time window reference number GM of application scenarios where calculating the uplink module；
GM=P × Q；
Step d, GPRS communication gain COEFFICIENT K P in acquisition time window N, and combine a upper time window reference number
GM ' calculates this communication gain parameter, finally obtains this communication references number GN；
GN=GM+GM ' × KP
Wherein, it is that number of success is communicated in time window that the initial value of first time window reference number GM ', which is 1, Tm, and Tn is
Communication failure number in time window.
Step e, all uplink modules are traversed using step a-d, the i.e. affiliated net of application scenarios where obtaining each uplink module
This communication references number GN of network operator, obtains the GPRS stability coefficient GP [j] of each uplink module, GPRS stability coefficient
Operator where highest uplink module, as best link.
GP [j]=GN [j]/(GN [1]+GN [2]+... GN [q])
Wherein, q indicates the sum of uplink module, and when each uplink module uses different network operators, q indicates network
The sum of operator；J indicates the number of each uplink module, uplink module this communication references number that GN [j] indicates that number is j.
Further, presetting collection period T was half a minute to one minute；Time window N is more than or equal to heart beat cycle, range
It is 15-18 minutes, preferably 15 minutes.
Further, the range of signal strength Sigi is 0~31, communication failure or can not obtain valid signal strengths
When, then when previous signal strength is labeled as -1；Serving cell solicited message Celli uses physical area number, is steady state value.
Further, this method is further comprising the steps of: by adjusting link section communication gain coefficient KP, realizing current
Link communication refers to the dynamic regulation of GN；When channel data interaction success rate is higher, KP forms positive feedback with respect to GN；Work as channel
When data interaction failure rate is higher, KP forms negative-feedback with respect to GN.
Further, this method is further comprising the steps of:
Step e, it arranges to form network stable state section chained list L according to GP descending, repeats step a~d, optimize network steady-state zone
Between chained list L, and the network weight section link channel being in by interface or message identification current slot；
Wherein, x indicates time window serial number, and T [x] is the time identifier of corresponding time window GP；It is retrieved currently by T
Time window GP simultaneously predicts to communicate stable success rate.
Beneficial effects of the present invention:
The present invention is realized logical in optimal time window uplink under single module application scenarios by time window management strategy
Letter, further increases the stability and reliability of communication.
The present invention realizes optimal operator's uplink communication under multimode application scenarios, through Carrier Management strategy, into
One step improves the stability and reliability of communication.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Detailed description of the invention
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in exemplary embodiment of the invention, identical reference label
Typically represent same parts.
Fig. 1 shows the schematic diagram of electric power power information acquisition system block diagram.
Fig. 2 shows the sides of the intelligent management link channel of GPRS channel characteristics according to an embodiment of the invention
The flow chart of method.
Fig. 3 shows the schematic diagram of electric power acquisition device according to an embodiment of the invention.
Specific embodiment
The preferred embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the present invention without the embodiment party that should be illustrated here
Formula is limited.
Step a, applied field where uplink module within the scope of the time window N of accumulation is obtained with default fixed collection period T
The network state feature [A1, A2 ... Ai ... An] of Jing Ji belonging network operator, time window N are more than or equal to heart beat cycle, write from memory
Think 15 minutes, n indicates that sampling sum, n=N/T, i indicate sample number；Wherein, network state feature Ai includes signal strength
Sigi and service cell request information Celli；
Step b, the signal strength overall coefficient Q and signal hopping coefficient P in this sampling time are obtained using following formula；
Wherein, S is signal constant, is fixed as 16；
Step c, this time window reference number GM of application scenarios where calculating the uplink module；
GM=P × Q；
Step d, GPRS communication gain COEFFICIENT K P in acquisition time window N, and combine a upper time window reference number
GM ' calculates this communication gain parameter, finally obtains this communication references number GN；
GN=GM+GM ' × KP
Wherein, the initial value of first time window reference number GM ' is 1.Tm is that number of success is communicated in time window, and Tn is
Communication failure number in time window.
Step e, all uplink modules are traversed using step a-d, the i.e. affiliated net of application scenarios where obtaining each uplink module
This communication references number GN of network operator, obtains the GPRS stability coefficient GP [j] of each uplink module, GPRS stability coefficient
Operator where highest uplink module, as best link.
GP [j]=GN [j]/(GN [1]+GN [2]+... GN [q])
Wherein, q indicates the sum of uplink module, and when each uplink module uses different network operators, q indicates network
The sum of operator；J indicates the number of each uplink module, uplink module this communication references number that GN [j] indicates that number is j.
Step e, by effectively adjusting link section communication gain coefficient KP, realize that current ink communication references GN's is dynamic
State is adjusted；When channel data interaction success rate is higher, KP forms positive feedback with respect to GN；When channel data interaction failure rate is higher
When, KP forms negative-feedback with respect to GN.
Step f, step a~d is repeated, screens and optimize network stable state weight sector chained list L automatically, and pass through interface or report
The network weight section link channel that text mark current slot is in；
Wherein T is the time identifier of corresponding time window GP, and GP descending sort forms chained list L, when retrieving current by T
Between window GP and intelligent predicting communicate and stablize success rate.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (6)
1. a kind of method of the intelligent management link channel based on GPRS channel characteristics, which is characterized in that this method is by obtaining
The channel characteristics of application scenarios where taking each uplink module, realize optimum link channel selecting.
2. the method for the intelligent management link channel according to claim 1 based on GPRS channel characteristics, feature exist
In specific step is as follows for this method:
Step a, obtaining application scenarios where uplink module within the scope of the time window N of accumulation with default fixed collection period T is
The network state feature [A1, A2 ... Ai ... An] of belonging network operator, n indicate that sampling sum, n=N/T, i indicate that sampling is compiled
Number；Wherein, network state feature Ai includes signal strength Sigi and service cell request information Celli；
Step b, the signal strength overall coefficient Q and signal hopping coefficient P in this sampling time are obtained using following formula；
Wherein, S is signal constant, is fixed as 16；
Step c, this time window reference number GM of application scenarios where calculating the uplink module；
GM=P × Q；
Step d, GPRS communication gain COEFFICIENT K P in acquisition time window N, and upper time window reference number GM ' is combined, meter
This communication gain parameter is calculated, this communication references number GN is finally obtained；
GN=GM+GM ' × KP
Wherein, it is that number of success is communicated in time window that the initial value of first time window reference number GM ', which is 1, Tm, and Tn is the time
Communication failure number in window.
Step e, all uplink modules are traversed using step a-d, application scenarios i.e. belonging network is transported where obtaining each uplink module
This communication references number GN for seeking quotient, obtains the GPRS stability coefficient GP [j] of each uplink module, GPRS stability coefficient highest
Uplink module where operator, as best link.
GP [j]=GN [j]/(GN [1]+GN [2]+... GN [q])
Wherein, q indicates the sum of uplink module, and when each uplink module uses different network operators, q indicates network operation
The sum of quotient；J indicates the number of each uplink module, uplink module this communication references number that GN [j] indicates that number is j.
3. the method for the intelligent management link channel according to claim 2 based on GPRS channel characteristics, feature exist
In presetting collection period T was half a minute to one minute；Time window N is more than or equal to heart beat cycle, and range is 15-18 minutes, excellent
It selects 15 minutes.
4. the method for the intelligent management link channel according to claim 2 based on GPRS channel characteristics, feature exist
In the range of signal strength Sigi is 0~31, communication failure or when can not obtain valid signal strengths, then works as previous signal
Intensity signature is -1；Serving cell solicited message Celli uses physical area number, is steady state value.
5. the method for the intelligent management link channel according to claim 2 based on GPRS channel characteristics, feature exist
In this method is further comprising the steps of: by adjusting link section communication gain coefficient KP, realizing current ink communication references GN
Dynamic regulation；When channel data interaction success rate is higher, KP forms positive feedback with respect to GN；When channel data interaction failure rate
When higher, KP forms negative-feedback with respect to GN.
6. the method for the intelligent management link channel according to claim 2 based on GPRS channel characteristics, feature exist
In this method is further comprising the steps of:
Step e, it arranges to form network stable state section chained list L according to GP descending, repeats step a~d, optimize network stable state interval chain
Table L, and the network weight section link channel being in by interface or message identification current slot；
Wherein, x indicates time window serial number, and T [x] is the time identifier of corresponding time window GP.
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