CN105636126B - A kind of switch determining method and device - Google Patents
A kind of switch determining method and device Download PDFInfo
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- CN105636126B CN105636126B CN201410616101.1A CN201410616101A CN105636126B CN 105636126 B CN105636126 B CN 105636126B CN 201410616101 A CN201410616101 A CN 201410616101A CN 105636126 B CN105636126 B CN 105636126B
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Abstract
A kind of switch determining method of present invention offer and device, are related to wireless communication technology field.This method includes：When first community signal and/or second community signal reach basic switching condition, the spectrum efficiency of the first community and the second community is obtained respectively；Wherein, the second community is the current serving cell of terminal, and the first community is the neighboring community of the second community；Compare the spectrum efficiency of the first community and second community, when the spectrum efficiency of the first community is more than the spectrum efficiency of the second community, according to the spectrum efficiency of the first community, prediction terminal switches to the service rate of the first community after the first community；When the service rate of the first community is greater than or equal to service rate expection threshold value, switching is executed, terminal is switched into the first community.The solution of the present invention solves the otherness that the prior art cannot achieve spectrum efficiency, thus the problem of cannot efficiently using frequency resource.
Description
Technical field
The present invention relates to wireless communication field, a kind of switch determining method and device are particularly related to.
Background technology
With the development of communication technologies, communication system realizes diversification, such as：GSM(Global System for
Mobile Communication, global system for mobile communications) system, TD-SCDMA (Time Division-Synchronous
Code Division Multiple Access, TD SDMA) system and LTE (Long Term
Evolution, long term evolution) system etc..In order to improve user experience, when mobile terminal is in different community simultaneously, often
Selection optimum subdistrict is brought by intersystem handover or intra-system handoff.
Mainly measurement amount is the beacon channel quality of each system to existing intersystem handover, but is carried out with signal strength
Switch decision cannot achieve the otherness of each system spectral efficiency although can guarantee the basic demand of business continuance, to
Frequency resource cannot be efficiently used, for example, for being based on speech business, the load-carrying efficiency of gsm system is about 0.0023mErl/Hz
(considering 3*4 channelings) and constant in the area of coverage, TD-LTE system downlink average efficiency is about 0.0033mErl/Hz (same
Frequency is multiplexed, 20MHz carrier waves), but in cell boarder, TD-LTE can drop to 0.0011mErl/Hz, it is horizontal less than GSM.
Invention content
The object of the present invention is to provide a kind of switch determining method and devices, increase spectrum efficiency on basic switching condition
Switch decision, not only ensured the basic demand of business continuance, but also can realize the otherness of spectrum efficiency, efficiently use frequency spectrum money
Source.
In order to achieve the above objectives, the embodiment of the present invention provides a kind of switch determining method, including：
When first community signal and/or second community signal reach basic switching condition, it is small that described first is obtained respectively
The spectrum efficiency of area and the second community；Wherein, the second community is the current serving cell of terminal, and described first is small
Area is the neighboring community of the second community；
The spectrum efficiency for comparing the first community and second community is more than described in the spectrum efficiency of the first community
When the spectrum efficiency of second community, according to the spectrum efficiency of the first community, prediction terminal switch to the first community it
The service rate of the first community afterwards；
When the service rate of the first community is greater than or equal to service rate expection threshold value, switching is executed, by terminal
Switch to the first community.
Wherein, the spectrum efficiency of second community and the first community is obtained respectively, including：
Obtain the system type of current area；Wherein, current area is first community and second community；
According to the system type of current area, the corresponding parameter list in current area is searched, obtains the frequency spectrum effect of current area
Rate.
Wherein, the spectrum efficiency includes speech business spectrum efficiency and data service spectrum efficiency；
According to the system type of current area, the corresponding parameter list in current area is searched, obtains the frequency spectrum effect of current area
Rate, including：
According to the system type of current area, the corresponding parameter list in current area is searched, the number in the parameter list is obtained
According to the channel SNRs statistical data of business, the data service spectrum efficiency of current area is obtained；
According to the system type of current area, the corresponding parameter list in current area is searched, the language in the parameter list is obtained
The channel SNRs statistical data of sound business obtains the speech business spectrum efficiency of current area.
Wherein, according to the system type of current area, the corresponding parameter list in current area is searched, is obtained in the parameter list
Data service channel SNRs statistical data, obtain the data service spectrum efficiency of current area, including：
The channel SNRs statistical data for obtaining the data service in the parameter list, according to formula：
Obtain data service spectrum efficiency；Wherein,
RAT-SE is the corresponding data service spectrum efficiency of present channel signal-to-noise ratio；THPjFor channel SNRs statistical data
In j-th be equal to present channel signal-to-noise ratio data service sampled point handling capacity, 1≤j≤n, n be equal to present channel noise
The sum of the data service sampled point of ratio；CBjThe number for being equal to present channel signal-to-noise ratio for j-th in channel SNRs statistical data
According to the frequency bandwidth of business sampled point.
Wherein, the system type includes：Global mobile communication gsm system, TD SDMA TD-SCDMA systems
System and long term evolution LTE system；
According to the system type of current area, the corresponding parameter list in current area is searched, the language in the parameter list is obtained
The channel SNRs statistical data of sound business obtains the speech business spectrum efficiency of current area, including：
If current area is gsm system or TD-SCDMA system, the corresponding parameter list in current area is searched, directly acquires and works as
The corresponding speech business spectrum efficiency of preceding cell；
If current area is LTE system, the corresponding parameter list in current area is searched, the voice industry in the parameter list is obtained
Channel SNRs statistical data, that is, Reference Signal Received Quality statistical data of business, according to formula：
Obtain speech business spectrum efficiency；
Wherein, RAT-SE ' are the corresponding data service spectrum efficiency of the current reference signal quality of reception；TTIDLsubframe/aWhen being default
Between downlink subframe number in section a；RBsjIt is equal to current reference signal for j-th in Reference Signal Received Quality statistical data to receive
The data packet number that the corresponding each Transmission Time Interval of speech business sampled point of quality uses, 1≤j≤n, n are equal to working as
The sum of the speech business sampled point of preceding Reference Signal Received Quality；TTIjFor jth in Reference Signal Received Quality statistical data
A speech business sampled point equal to the current reference signal quality of reception corresponds to the Transmission Time Interval quantity used；μDLFor downlink
Resource accounting.
Wherein, the spectrum efficiency for comparing the first community and second community is big in the spectrum efficiency of the first community
When the spectrum efficiency of the second community, according to the spectrum efficiency of the first community, prediction terminal switches to described first
The service rate of the first community after cell, including：
The speech business spectrum efficiency of the speech business spectrum efficiency and second community of first community is compared, first community
The data service spectrum efficiency of data service spectrum efficiency and second community；
It is more than the speech business spectrum efficiency and first community of second community in the speech business spectrum efficiency of first community
Data service spectrum efficiency be more than second community data service spectrum efficiency when, according to formula：
RAT-THR=RAT-SE × BW obtains the service rate that terminal switches to first community after first community；Its
In,
RAT-THR is the service rate of the corresponding first community of present channel signal-to-noise ratio；RAT-SE is present channel noise
Than corresponding data service spectrum efficiency；BW is channel width.
In order to achieve the above objectives, the embodiments of the present invention also provide a kind of switch decision devices, including：
Acquisition module, for when first community signal and/or second community signal reach basic switching condition, obtaining respectively
Take the spectrum efficiency of the first community and the second community；Wherein, the second community is that the current service of terminal is small
Area, the first community are the neighboring community of the second community；
Processing module, the spectrum efficiency for comparing the first community and second community, in the frequency of the first community
Spectrum efficiency is more than the second community when being spectrum efficiency, and according to the spectrum efficiency of the first community, prediction terminal switches to
The service rate of the first community after the first community；
Switching executing module is expected threshold value for being greater than or equal to service rate in the service rate of the first community
When, switching is executed, terminal is switched into the first community.
Wherein, the acquisition module includes：
First acquisition submodule, the system type for obtaining current area；Wherein, current area is first community and the
Two cells；
Second acquisition submodule is searched the corresponding parameter list in current area, is obtained for the system type according to current area
To the spectrum efficiency of current area.
Wherein, the spectrum efficiency includes speech business spectrum efficiency and data service spectrum efficiency；
Second acquisition submodule includes：
First acquisition unit is searched the corresponding parameter list in current area, is obtained for the system type according to current area
The channel SNRs statistical data of data service in the parameter list obtains the data service spectrum efficiency of current area；
Second acquisition unit is searched the corresponding parameter list in current area, is obtained for the system type according to current area
The channel SNRs statistical data of speech business in the parameter list obtains the speech business spectrum efficiency of current area.
Wherein, first acquisition unit includes：
First obtains subelement, the channel SNRs statistical data for obtaining the data service in the parameter list, root
According to formula：
Obtain data service spectrum efficiency；Wherein,
RAT-SE is the corresponding data service spectrum efficiency of present channel signal-to-noise ratio；THPjFor channel SNRs statistical data
In j-th be equal to present channel signal-to-noise ratio data service sampled point handling capacity, 1≤j≤n, n be equal to present channel noise
The sum of the data service sampled point of ratio；CBjThe number for being equal to present channel signal-to-noise ratio for j-th in channel SNRs statistical data
According to the frequency bandwidth of business sampled point.
Wherein, the system type includes：Global mobile communication gsm system, TD SDMA TD-SCDMA systems
System and long term evolution LTE system；
The second acquisition unit includes：
Second obtains subelement, for when current area is gsm system or TD-SCDMA system, searching current area pair
The parameter list answered directly acquires the corresponding speech business spectrum efficiency in current area；
Third obtains subelement, for when current area is LTE system, searching the corresponding parameter list in current area, obtains
The channel SNRs statistical data i.e. Reference Signal Received Quality statistical data for taking the speech business in the parameter list, according to public affairs
Formula：
Obtain speech business spectrum efficiency；
Wherein, RAT-SE ' are the corresponding data service spectrum efficiency of the current reference signal quality of reception；TTIDLsubframe/aWhen being default
Between downlink subframe number in section a；RBsjIt is equal to current reference signal for j-th in Reference Signal Received Quality statistical data to receive
The data packet number that the corresponding each Transmission Time Interval of speech business sampled point of quality uses, 1≤j≤n, n are equal to working as
The sum of the speech business sampled point of preceding Reference Signal Received Quality；TTIjFor jth in Reference Signal Received Quality statistical data
A speech business sampled point equal to the current reference signal quality of reception corresponds to the Transmission Time Interval quantity used；μDLFor downlink
Resource accounting.
Wherein, the processing module includes：
First processing submodule, the speech business spectrum efficiency for comparing first community and the speech business of second community
Spectrum efficiency, the data service spectrum efficiency of first community and the data service spectrum efficiency of second community；
Second processing submodule, the speech business for being more than second community in the speech business spectrum efficiency of first community
When the data service spectrum efficiency of spectrum efficiency and first community is more than the data service spectrum efficiency of second community, according to public affairs
Formula：
RAT-THR=RAT-SE × BW obtains the service rate that terminal switches to first community after first community；Its
In,
RAT-THR is the service rate of the corresponding first community of present channel signal-to-noise ratio；RAT-SE is present channel noise
Than corresponding data service spectrum efficiency；BW is channel width.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
The switch determining method of the embodiment of the present invention is by obtaining first community signal and second community signal, judgement
It is no to reach basic switching condition, after reaching basic switching condition, the current serving cell, that is, second community of terminal is obtained respectively
Spectrum efficiency and second community neighboring community, that is, first community spectrum efficiency, by first community and second community
Spectrum efficiency is compared, and when the spectrum efficiency of first community is more than the spectrum efficiency of second community, then predicts that terminal switches
The service rate of first community after to first community, in this way, the service rate in first community is greater than or equal to service rate
It is expected that when threshold value, so that it may execute switching, terminal is switched to first community.Due to increasing frequency spectrum on reaching basic switching condition
The switch decision of efficiency had not only ensured the basic demand of business continuance, but also can realize the otherness of spectrum efficiency, efficiently used frequency
Spectrum resource.
Description of the drawings
Fig. 1 shows the step flow charts of the switch determining method of the embodiment of the present invention；
Fig. 2 indicates the structural schematic diagram of the switch decision device of the embodiment of the present invention.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention is directed to existing switch decision, and main measurement amount is beacon channel quality, cannot achieve spectrum efficiency
Otherness provides a kind of switch determining method, increases on basic switching condition thus the problem of cannot efficiently using frequency resource
Add the switch decision of spectrum efficiency, not only ensures the basic demand of business continuance, but also can realize the otherness of spectrum efficiency, effectively
Utilize frequency spectrum resource.
As shown in Figure 1, a kind of switch determining method of the embodiment of the present invention, including：
Step 11, when first community signal and/or second community signal reach basic switching condition, respectively described in acquisition
The spectrum efficiency of first community and the second community；Wherein, the second community is the current serving cell of terminal, described
First community is the neighboring community of the second community；
Step 12, the spectrum efficiency for comparing the first community and second community, in the spectrum efficiency of the first community
More than the second community spectrum efficiency when, according to the spectrum efficiency of the first community, prediction terminal switches to described the
The service rate of the first community after one cell；
Step 13, when the service rate of the first community is greater than or equal to service rate expection threshold value, switching is executed,
Terminal is switched into the first community.
When being switched between system, basic switching condition is A1/A2+B2 events, and wherein A1 events indicate second community
Quality is higher than certain thresholding, and A2 events indicate that second community quality is less than certain thresholding, and B2 events indicate that second community quality is low
In certain thresholding and different system first community quality is higher than certain thresholding.By obtaining first community signal and second community letter
Number, judge whether to reach basic switching condition, after reaching basic switching condition, according to above-mentioned steps, obtains terminal respectively and work as
The spectrum efficiency of neighboring community, that is, first community of preceding serving cell, that is, second community and second community, by first community
It is compared with the spectrum efficiency of second community, when the spectrum efficiency of first community is more than the spectrum efficiency of second community, then
Prediction terminal switches to the service rate of first community after first community, in this way, the service rate in first community be more than or
When being expected threshold value equal to service rate, so that it may execute switching, terminal is switched to first community.On reaching basic switching condition
The switch decision for increasing spectrum efficiency, had not only ensured the basic demand of business continuance, but also can realize the otherness of spectrum efficiency, had had
Effect utilizes frequency spectrum resource.
When first community and second community have same system LTE, existing scheme is when carrying out indoor and outdoor switch decision
The iptimum speed experience that can not ensure user, if following table is existing indoor and outdoor handover mechanism implementing result, user as seen from the table
Outdoor cell behind efficiency is switched to from indoor cell to be decreased obviously.
Therefore, the above method is also to be suitable for cell switching in LTE system, at this point, basic switching condition is A3 (with frequency)
Or A1/A2+A5 (alien frequencies) event, wherein A3 indicate that second community quality is higher than certain compared with frequency/alien frequencies first community quality
Thresholding, A5 events indicate that second community quality is less than certain thresholding, while alien frequencies first community quality is higher than certain thresholding.With
Afterwards, according to above-mentioned steps, it is more than the spectrum efficiency of second community, the service rate of first community in the spectrum efficiency of first community
When reaching service rate expection threshold value, so that it may execute switching, terminal is switched to first community.On reaching basic switching condition
The switch decision for increasing spectrum efficiency, had not only ensured the basic demand of business continuance, but also can realize the otherness of spectrum efficiency, had had
Effect utilizes frequency spectrum resource.
Certainly, in an embodiment of the present invention, neighboring community, that is, first community of second community in practical applications may
It is one or more cells.
It should be appreciated that for the cell of different system, the mode for obtaining its spectrum efficiency is different from, because
This in step 11, obtains the spectrum efficiency of second community and the first community, packet respectively in an embodiment of the present invention
It includes：
Step 111, the system type of current area is obtained；Wherein, current area is first community and second community；
Step 112, according to the system type of current area, the corresponding parameter list in current area is searched, current area is obtained
Spectrum efficiency.The spectrum efficiency of first community and second community is obtained, can simultaneously or separately handle, be worked as first
The system type of preceding suburb, that is, currently processed cell (first community and second community), can after confirming its system type
Corresponding parameter list is searched, to obtain its spectrum efficiency according to relevant parameter in parameter list.
In embodiments of the present invention, the spectrum efficiency includes speech business spectrum efficiency and data service spectrum efficiency；
Therefore, speech business spectrum efficiency and data service spectrum efficiency are obtained respectively, on the basis of above-described embodiment
On, in the switch determining method of the embodiment of the present invention, step 112 includes：
Step 1121, according to the system type of current area, the corresponding parameter list in current area is searched, the parameter is obtained
The channel SNRs statistical data of data service in table obtains the data service spectrum efficiency of current area；
Step 1122, according to the system type of current area, the corresponding parameter list in current area is searched, the parameter is obtained
The channel SNRs statistical data of speech business in table obtains the speech business spectrum efficiency of current area.
Wherein, step 1121 includes：
Step 11211, the channel SNRs statistical data for obtaining the data service in the parameter list, according to formula：
Obtain data service spectrum efficiency；Wherein,
RAT-SE is the corresponding data service spectrum efficiency of present channel signal-to-noise ratio；THPjFor channel SNRs statistical data
In j-th be equal to present channel signal-to-noise ratio data service sampled point handling capacity, 1≤j≤n, n be equal to present channel noise
The sum of the data service sampled point of ratio；CBjThe number for being equal to present channel signal-to-noise ratio for j-th in channel SNRs statistical data
According to the frequency bandwidth of business sampled point.
By taking currently processed cell is LTE system as an example, channel SNRs rely on RSRQ
(ReferenceSignalReceivingQuality, Reference Signal Received Quality) measures, and RAT-SE are represented by this time
RATLTE- SEi refers to the corresponding data service spectrum efficiency of current RSRQ=i under LTE system, from the corresponding parameter of LTE system
Required data, THP can be got in tablejFor the handling capacity of the data service sampled point of j-th of RSRQ=i, CBjIt is j-th
The frequency bandwidth of the data service sampled point of RSRQ=i, n are the sum of the data service sampled point of RSRQ=i, these are substituted into
In above-mentioned formula, you can obtain the data service spectrum efficiency of current LTE cell.Similar gsm system channel SNRs rely on
Broadcast control channel carrier/interface ratio BCCH C/I are measured, and TD-SCDMA system channel SNRs rely on basic common control channel carrier wave
Interference is measured than PCCPCH C/I.
Above-mentioned steps give the realization method of data service spectrum efficiency acquisition, and speech business spectrum efficiency is given below
Acquisition.The system type includes：Global mobile communication gsm system, TD SDMA TD-SCDMA system and length
Phase evolution LTE system；Step 1122 includes：
Step 11221, if current area is gsm system or TD-SCDMA system, the corresponding parameter list in current area is searched,
Directly acquire the corresponding speech business spectrum efficiency in current area；
Step 11221 ', if current area is LTE system, the corresponding parameter list in current area is searched, the parameter is obtained
Channel SNRs statistical data, that is, Reference Signal Received Quality statistical data of speech business in table, according to formula：
Obtain speech business spectrum efficiency；
Wherein, RAT-SE ' are the corresponding data service spectrum efficiency of the current reference signal quality of reception；TTIDLsubframe/aWhen being default
Between downlink subframe number in section a；RBsjIt is equal to current reference signal for j-th in Reference Signal Received Quality statistical data to receive
The data packet number that the corresponding each Transmission Time Interval of speech business sampled point of quality uses, 1≤j≤n, n are equal to working as
The sum of the speech business sampled point of preceding Reference Signal Received Quality；TTIjFor jth in Reference Signal Received Quality statistical data
A speech business sampled point equal to the current reference signal quality of reception corresponds to the Transmission Time Interval quantity used；μDLFor downlink
Resource accounting.
Since gsm system, TD-SCDMA system are circuit CS carrying, gsm system, TD-SCDMA system speech business frequency
Spectrum efficiency is fixed value, according to step 11221, finds the corresponding parameter list in current area, so that it may therefrom be directly acquired current
The corresponding speech business spectrum efficiency of cell.And to the cell of then LTE system, according to step 11221 ', search current area
The channel SNRs statistical data i.e. Reference Signal Received Quality of corresponding parameter list, the speech business in the table that gets parms counts
Data, RAT-SE ' are represented by RAT at this timeLTE- SEi ' refers to the corresponding speech business frequency of current RSRQ=i under LTE system
Spectrum efficiency can get required data, RBs from the corresponding parameter list of LTE systemjFor the speech business of j-th of RSRQ=i
The data packet number that the corresponding each Transmission Time Interval of sampled point uses, TTIjFor the speech business sampling of j-th of RSRQ=i
The corresponding Transmission Time Interval quantity used of point, n are the sum of the data service sampled point of RSRQ=i, TTIDLsubframe/aIt is pre-
If the downlink subframe number in period a, μDLIt, will be in these substitution above-mentioned formulas, you can obtain current LTE for downlink resource accounting
The speech business spectrum efficiency of cell.In embodiments of the present invention, preferably a is 20ms.
After obtaining the spectrum efficiency of first community and second community, in next step, step 12 includes：
Step 121, the speech business spectrum efficiency of first community and the speech business spectrum efficiency of second community are compared, the
The data service spectrum efficiency of one cell and the data service spectrum efficiency of second community；
Step 122, the speech business spectrum efficiency of first community be more than second community speech business spectrum efficiency and
When the data service spectrum efficiency of first community is more than the data service spectrum efficiency of second community, according to formula：
RAT-THR=RAT-SE × BW obtains the service rate that terminal switches to first community after first community；Its
In,
RAT-THR is the service rate of the corresponding first community of present channel signal-to-noise ratio；RAT-SE is present channel noise
Than corresponding data service spectrum efficiency；BW is channel width.
First, according to step 121, the comparison of the spectrum efficiency of first community and second community is completed, in first community frequency
When spectrum efficiency is more than the spectrum efficiency of second community, according to step 122, the service rate of first community after prediction switching.Continue
For LTE system, RAT-SE are represented by RAT in above-mentioned formulaLTE- SEi, i.e., the corresponding numbers of current RSRQ=i under LTE system
According to business spectrum efficiency, according to the RAT of the first community of acquisitionLTE- SEi and channel width BW substitutes into formula and can be obtained first
The service rate of cell.Similar gsm system channel SNRs rely on broadcast control channel carrier/interface ratio BCCH C/I and measure, TD-
SCDMA system channel signal-to-noise ratio relies on basic common control channel Carrier interference ratio PCCPCH C/I and measures.
Then, the service rate of obtained first community is expected threshold value with service rate to be compared, after judging switching
Whether first community meets business demand, and the service rate for the first community only predicted disclosure satisfy that business demand, after switching
It just can guarantee that customer service is normal.Finally, it when the service rate of first community is greater than or equal to service rate expection threshold value, holds
Row switching, the first community is switched to by terminal.
In conclusion the switch determining method of the embodiment of the present invention is provided and is based on the basis of traditional handover mechanism
Switchover policy after cell spectrum efficiency and prediction switching on the basis of Zone rate, realize different system handover between cells and
It is all the spectrum efficiency maximization of the handover between cells of LTE system；It is proposed respectively for speech business and data service simultaneously
The method that each system cell spectrum efficiency calculates, Dynamic Maintenance cell spectrum Efficiency Statistics are as a result, and by spectrum efficiency and signal
Quality is corresponded to, and can realize the switching based on spectrum efficiency according to signal quality；Effectively promoted under multi-network cooperative scene
The whole network integral spectrum utilization ratio has obvious action for promoting network spectrum utilization ratio, improving user's impression.
As shown in Fig. 2, the embodiments of the present invention also provide a kind of switch decision devices, including：
Acquisition module 10, for when first community signal and/or second community signal reach basic switching condition, distinguishing
Obtain the spectrum efficiency of the first community and the second community；Wherein, the second community is the current service of terminal
Cell, the first community are the neighboring community of the second community；
Processing module 20, the spectrum efficiency for comparing the first community and second community, in the first community
Spectrum efficiency is more than the second community when being spectrum efficiency, according to the spectrum efficiency of the first community, prediction terminal switching
The service rate of the first community after to the first community；
Switching executing module 30 is expected threshold value for being greater than or equal to service rate in the service rate of the first community
When, switching is executed, terminal is switched into the first community.
Wherein, the acquisition module includes：
First acquisition submodule, the system type for obtaining current area；Wherein, current area is first community and the
Two cells；
Second acquisition submodule is searched the corresponding parameter list in current area, is obtained for the system type according to current area
To the spectrum efficiency of current area.
Wherein, the spectrum efficiency includes speech business spectrum efficiency and data service spectrum efficiency；
Second acquisition submodule includes：
First acquisition unit is searched the corresponding parameter list in current area, is obtained for the system type according to current area
The channel SNRs statistical data of data service in the parameter list obtains the data service spectrum efficiency of current area；
Second acquisition unit is searched the corresponding parameter list in current area, is obtained for the system type according to current area
The channel SNRs statistical data of speech business in the parameter list obtains the speech business spectrum efficiency of current area.
Wherein, first acquisition unit includes：
First obtains subelement, the channel SNRs statistical data for obtaining the data service in the parameter list, root
According to formula：
Obtain data service spectrum efficiency；Wherein,
RAT-SE is the corresponding data service spectrum efficiency of present channel signal-to-noise ratio；THPjFor channel SNRs statistical data
In j-th be equal to present channel signal-to-noise ratio data service sampled point handling capacity, 1≤j≤n, n be equal to present channel noise
The sum of the data service sampled point of ratio；CBjThe number for being equal to present channel signal-to-noise ratio for j-th in channel SNRs statistical data
According to the frequency bandwidth of business sampled point.
Wherein, the system type includes：Global mobile communication gsm system, TD SDMA TD-SCDMA systems
System and long term evolution LTE system；
The second acquisition unit includes：
Second obtains subelement, for when current area is gsm system or TD-SCDMA system, searching current area pair
The parameter list answered directly acquires the corresponding speech business spectrum efficiency in current area；
Third obtains subelement, for when current area is LTE system, searching the corresponding parameter list in current area, obtains
The channel SNRs statistical data i.e. Reference Signal Received Quality statistical data for taking the speech business in the parameter list, according to public affairs
Formula：
Obtain speech business spectrum efficiency；
Wherein, RAT-SE ' are the corresponding data service spectrum efficiency of the current reference signal quality of reception；TTIDLsubframe/aWhen being default
Between downlink subframe number in section a；RBsjIt is equal to current reference signal for j-th in Reference Signal Received Quality statistical data to receive
The data packet number that the corresponding each Transmission Time Interval of speech business sampled point of quality uses, 1≤j≤n, n are equal to working as
The sum of the speech business sampled point of preceding Reference Signal Received Quality；TTIjFor jth in Reference Signal Received Quality statistical data
A speech business sampled point equal to the current reference signal quality of reception corresponds to the Transmission Time Interval quantity used；μDLFor downlink
Resource accounting.
Wherein, the processing module includes：
First processing submodule, the speech business spectrum efficiency for comparing first community and the speech business of second community
Spectrum efficiency, the data service spectrum efficiency of first community and the data service spectrum efficiency of second community；
Second processing submodule, the speech business for being more than second community in the speech business spectrum efficiency of first community
When the data service spectrum efficiency of spectrum efficiency and first community is more than the data service spectrum efficiency of second community, according to public affairs
Formula：
RAT-THR=RAT-SE × BW obtains the service rate that terminal switches to first community after first community；Its
In,
RAT-THR is the service rate of the corresponding first community of present channel signal-to-noise ratio；RAT-SE is present channel noise
Than corresponding data service spectrum efficiency；BW is channel width.
The switch decision device of the embodiment of the present invention provides on the basis of traditional handover mechanism based on cell spectrum
Switchover policy after efficiency and prediction switching on the basis of Zone rate, realizes different system handover between cells and is all LTE
The spectrum efficiency of the handover between cells of system maximizes；It is small that each system is proposed respectively for speech business and data service simultaneously
The method that area's spectrum efficiency calculates, Dynamic Maintenance cell spectrum Efficiency Statistics are as a result, and carry out spectrum efficiency and signal quality
It is corresponding, it can realize the switching based on spectrum efficiency according to signal quality；Effectively promote the whole network synthesis under multi-network cooperative scene
Spectrum utilization efficiency has obvious action for promoting network spectrum utilization ratio, improving user's impression.
It should be noted that the device is the device for applying above-mentioned switch determining method, the realization of switch determining method
Mode can also reach identical technique effect suitable for the embodiment of the device.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of switch determining method, which is characterized in that including：
When first community signal and/or second community signal reach basic switching condition, obtain respectively the first community with
And the spectrum efficiency of the second community；Wherein, the second community is the current serving cell of terminal, and the first community is
The neighboring community of the second community；
The spectrum efficiency for comparing the first community and second community is more than described second in the spectrum efficiency of the first community
When the spectrum efficiency of cell, according to the spectrum efficiency of the first community, prediction terminal switches to institute after the first community
State the service rate of first community；
When the service rate of the first community is greater than or equal to service rate expection threshold value, switching is executed, terminal is switched
To the first community；Wherein, the spectrum efficiency includes speech business spectrum efficiency and data service spectrum efficiency；
The basis switching condition includes A1/A2+B2 events, A3 events or A1/A2+A5 events, and wherein A1 events indicate second
Cell quality is higher than the first thresholding, and A2 events indicate that second community quality is less than the second thresholding, and B2 events indicate second community matter
Amount is less than third thresholding and different system first community quality is higher than the 4th thresholding, and A3 events are indicated with frequency/alien frequencies first community
Quality is higher than the 5th thresholding compared to second community quality, and A5 events indicate second community quality less than the 6th thresholding alien frequencies the simultaneously
One cell quality is higher than the 7th thresholding.
2. switch determining method according to claim 1, which is characterized in that obtain second community and described first respectively
The spectrum efficiency of cell, including：
Obtain the system type of current area；Wherein, current area is first community and second community；
According to the system type of current area, the corresponding parameter list in current area is searched, the spectrum efficiency of current area is obtained.
3. switch determining method according to claim 2, which is characterized in that
According to the system type of current area, the corresponding parameter list in current area is searched, the spectrum efficiency of current area is obtained, is wrapped
It includes：
According to the system type of current area, the corresponding parameter list in current area is searched, the data industry in the parameter list is obtained
The channel SNRs statistical data of business obtains the data service spectrum efficiency of current area；
According to the system type of current area, the corresponding parameter list in current area is searched, the voice industry in the parameter list is obtained
The channel SNRs statistical data of business obtains the speech business spectrum efficiency of current area.
4. switch determining method according to claim 3, which is characterized in that according to the system type of current area, search
The corresponding parameter list in current area obtains the channel SNRs statistical data of the data service in the parameter list, obtains current
The data service spectrum efficiency of cell, including：
The channel SNRs statistical data for obtaining the data service in the parameter list, according to formula：
Obtain data service spectrum efficiency；Wherein,
RAT-SE is the corresponding data service spectrum efficiency of present channel signal-to-noise ratio；THPjFor jth in channel SNRs statistical data
The handling capacity of a data service sampled point equal to present channel signal-to-noise ratio, 1≤j≤n, n are equal to present channel signal-to-noise ratio
The sum of data service sampled point；CBjThe data industry for being equal to present channel signal-to-noise ratio for j-th in channel SNRs statistical data
The frequency bandwidth of business sampled point.
5. switch determining method according to claim 3, which is characterized in that the system type includes：The whole world is mobile logical
Believe gsm system, TD SDMA TD-SCDMA system and long term evolution LTE system；
According to the system type of current area, the corresponding parameter list in current area is searched, the voice industry in the parameter list is obtained
The channel SNRs statistical data of business obtains the speech business spectrum efficiency of current area, including：
If current area is gsm system or TD-SCDMA system, the corresponding parameter list in current area is searched, is directly acquired current small
The corresponding speech business spectrum efficiency in area；
If current area is LTE system, the corresponding parameter list in current area is searched, the speech business in the parameter list is obtained
Channel SNRs statistical data, that is, Reference Signal Received Quality statistical data, according to formula：
Obtain speech business spectrum efficiency；Wherein,
RAT-SE ' are the corresponding speech business spectrum efficiency of the current reference signal quality of reception；TTIDLsubframe/aFor preset time period a
Interior downlink subframe number；RBsjIt is equal to the current reference signal quality of reception for j-th in Reference Signal Received Quality statistical data
The data packet number that uses of the corresponding each Transmission Time Interval of speech business sampled point, 1≤j≤n, n are equal to current ginseng
Examine the sum of the speech business sampled point of signal receiving quality；TTIjIt is j-th etc. in Reference Signal Received Quality statistical data
The Transmission Time Interval quantity used is corresponded in the speech business sampled point of the current reference signal quality of reception；μDLFor downlink resource
Accounting.
6. switch determining method according to claim 4, which is characterized in that compare the first community and second community
Spectrum efficiency is small according to described first when the spectrum efficiency of the first community is more than the spectrum efficiency of the second community
The spectrum efficiency in area, prediction terminal switch to the service rate of the first community after the first community, including：
The speech business spectrum efficiency of the speech business spectrum efficiency and second community of comparison first community, and comparison first are small
The data service spectrum efficiency in area and the data service spectrum efficiency of second community；
It is more than the speech business spectrum efficiency of second community and the number of first community in the speech business spectrum efficiency of first community
When being more than the data service spectrum efficiency of second community according to business spectrum efficiency, according to formula：
RAT-THR=RAT-SE × BW obtains the service rate that terminal switches to first community after first community；Wherein,
RAT-THR is the service rate of the corresponding first community of present channel signal-to-noise ratio；RAT-SE is present channel signal-to-noise ratio pair
The data service spectrum efficiency answered；BW is channel width.
7. a kind of switch decision device, which is characterized in that including：
Acquisition module, for when first community signal and/or second community signal reach basic switching condition, obtaining institute respectively
State the spectrum efficiency of first community and the second community；Wherein, the second community is the current serving cell of terminal, institute
State the neighboring community that first community is the second community；
Processing module, the spectrum efficiency for comparing the first community and second community are imitated in the frequency spectrum of the first community
When rate is more than the spectrum efficiency of the second community, according to the spectrum efficiency of the first community, prediction terminal switches to described
The service rate of the first community after first community；
Switching executing module, for when the service rate of the first community is greater than or equal to service rate expection threshold value, holding
Row switching, the first community is switched to by terminal；Wherein,
The spectrum efficiency includes speech business spectrum efficiency and data service spectrum efficiency；
The basis switching condition includes A1/A2+B2 events, A3 events or A1/A2+A5 events, and wherein A1 events indicate second
Cell quality is higher than the first thresholding, and A2 events indicate that second community quality is less than the second thresholding, and B2 events indicate second community matter
Amount is less than third thresholding and different system first community quality is higher than the 4th thresholding, and A3 events are indicated with frequency/alien frequencies first community
Quality is higher than the 5th thresholding compared to second community quality, and A5 events indicate second community quality less than the 6th thresholding alien frequencies the simultaneously
One cell quality is higher than the 7th thresholding.
8. switch decision device according to claim 7, which is characterized in that the acquisition module includes：
First acquisition submodule, the system type for obtaining current area；Wherein, current area is that first community and second are small
Area；
Second acquisition submodule is searched the corresponding parameter list in current area, is worked as the system type according to current area
The spectrum efficiency of preceding cell.
9. switch decision device according to claim 8, which is characterized in that
Second acquisition submodule includes：
First acquisition unit, for according to the system type of current area, searching the corresponding parameter list in current area, described in acquisition
The channel SNRs statistical data of data service in parameter list obtains the data service spectrum efficiency of current area；
Second acquisition unit, for according to the system type of current area, searching the corresponding parameter list in current area, described in acquisition
The channel SNRs statistical data of speech business in parameter list obtains the speech business spectrum efficiency of current area.
10. switch decision device according to claim 9, which is characterized in that first acquisition unit includes：
First obtains subelement, the channel SNRs statistical data for obtaining the data service in the parameter list, according to public affairs
Formula：
Obtain data service spectrum efficiency；Wherein,
RAT-SE is the corresponding data service spectrum efficiency of present channel signal-to-noise ratio；THPjFor jth in channel SNRs statistical data
The handling capacity of a data service sampled point equal to present channel signal-to-noise ratio, 1≤j≤n, n are equal to present channel signal-to-noise ratio
The sum of data service sampled point；CBjThe data industry for being equal to present channel signal-to-noise ratio for j-th in channel SNRs statistical data
The frequency bandwidth of business sampled point.
11. switch decision device according to claim 9, which is characterized in that the system type includes：The whole world is mobile logical
Believe gsm system, TD SDMA TD-SCDMA system and long term evolution LTE system；
The second acquisition unit includes：
Second obtains subelement, for when current area is gsm system or TD-SCDMA system, it is corresponding to search current area
Parameter list directly acquires the corresponding speech business spectrum efficiency in current area；
Third obtains subelement, for when current area is LTE system, searching the corresponding parameter list in current area, obtains institute
The channel SNRs statistical data i.e. Reference Signal Received Quality statistical data for stating the speech business in parameter list, according to formula：
Obtain speech business spectrum efficiency；Wherein,
RAT-SE ' are the corresponding speech business spectrum efficiency of the current reference signal quality of reception；TTIDLsubframe/aFor preset time period a
Interior downlink subframe number；RBsjIt is equal to the current reference signal quality of reception for j-th in Reference Signal Received Quality statistical data
The data packet number that uses of the corresponding each Transmission Time Interval of speech business sampled point, 1≤j≤n, n are equal to current ginseng
Examine the sum of the speech business sampled point of signal receiving quality；TTIjIt is j-th etc. in Reference Signal Received Quality statistical data
The Transmission Time Interval quantity used is corresponded in the speech business sampled point of the current reference signal quality of reception；μDLFor downlink resource
Accounting.
12. switch decision device according to claim 10, which is characterized in that the processing module includes：
First processing submodule, the speech business frequency spectrum of speech business spectrum efficiency and second community for comparing first community
Efficiency, and compare the data service spectrum efficiency of the data service spectrum efficiency and second community of first community；
Second processing submodule, the speech business frequency spectrum for being more than second community in the speech business spectrum efficiency of first community
When the data service spectrum efficiency of efficiency and first community is more than the data service spectrum efficiency of second community, according to formula：
RAT-THR=RAT-SE × BW obtains the service rate that terminal switches to first community after first community；Wherein,
RAT-THR is the service rate of the corresponding first community of present channel signal-to-noise ratio；RAT-SE is present channel signal-to-noise ratio pair
The data service spectrum efficiency answered；BW is channel width.
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| CN110753375B (en) * | 2018-07-23 | 2021-11-19 | 中国移动通信有限公司研究院 | Link switching control method, terminal and base station |
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| CN102625389A (en) * | 2011-01-31 | 2012-08-01 | 华为技术有限公司 | Access method of mobile communication network, apparatus and system |
| CN102970717A (en) * | 2012-11-27 | 2013-03-13 | 北京北方烽火科技有限公司 | Method and device for switching different downlink transmission modes of LTE (long term evolution) system |
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| EP0479255A2 (en) * | 1990-10-02 | 1992-04-08 | Nippon Telegraph And Telephone Corporation | Method of handover and route diversity in mobile radio communication |
| CN102625389A (en) * | 2011-01-31 | 2012-08-01 | 华为技术有限公司 | Access method of mobile communication network, apparatus and system |
| CN103959862A (en) * | 2011-09-29 | 2014-07-30 | 诺基亚通信公司 | Handover management based on load |
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