CN102238675A - Wireless scene inter-system interoperation method and device - Google Patents

Wireless scene inter-system interoperation method and device Download PDF

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CN102238675A
CN102238675A CN2010101656289A CN201010165628A CN102238675A CN 102238675 A CN102238675 A CN 102238675A CN 2010101656289 A CN2010101656289 A CN 2010101656289A CN 201010165628 A CN201010165628 A CN 201010165628A CN 102238675 A CN102238675 A CN 102238675A
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drive test
value
fading
test signal
time
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CN102238675B (en
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陈男健
张巧琳
朱凌
吴勤华
周巍
湛颖
姚执光
徐桦
张烁
郑迪
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China Mobile Group Hubei Co Ltd
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China Mobile Group Hubei Co Ltd
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Abstract

The invention discloses a wireless scene inter-system interoperation method and a wireless scene inter-system interoperation device. The method comprises the following steps of: acquiring a drive test signal of a road section to be optimized; and when the drive test signal is attenuated to a critical call drop point from a test starting point in a preset time period, or the field intensity of the drive test signal is lower than a preset field intensity value, or the coverage of the drive test signal exceeds adaptively adapted coverage or the degree of interference in the drive test signal exceeds a preset interference value, setting an interoperation parameter. By the wireless scene inter-system interoperation method and the wireless scene inter-system interoperation device provided by the embodiment of the invention, automatic scene analysis can be performed on a drive test (DT) result, and a specific-scene-based reselection and handover parameter mapping method is provided so as to achieve favorability for improving the overall network quality of a mobile operator and user perception.

Description

The method and apparatus of the different interoperability of system of wireless scene
Technical field
The present invention relates to communications industry wireless technical field, relate in particular to the method and apparatus of the different interoperability of system of a kind of wireless scene.
Background technology
Along with developing rapidly of mobile communication, and user's improving constantly to business demand, existing second generation digital mobile communication system (2G) is difficult to satisfy the demand of high-speed data service, such as existing global system for mobile communications (GSM) or Narrowband CDMA (CDMA) communication system, can only provide basic voice service and some simple information series business; For the data service of dynamic real-time, its data bandwidth can't satisfy the demand of quality of service.Though the mobile mobile communication system of the 2.5th generation such as GPRS (GPRS) occurred, the ability in its data broadband does not have the raising of essence yet.And for video class business such as similar video telephone, its QoS can't be guaranteed on 2G or 2.5G.Characteristics such as therefore 3-G (Generation Three mobile communication system) (3G) is wide with its data tape, the data service disposal ability is strong have satisfied the quality of service requirement of mass data business, and then have been able to broad development.In very long a period of time in future, second generation mobile communication system will and be deposited with 3-G (Generation Three mobile communication system), so, the zone of a lot of two kinds of overlapping coverings of communication system can appear.
The main feature of 3G network is to be embodied on the data service disposal ability, the 2G network mainly is positioned at speech and simple information series business, therefore very maturation and capacity also can satisfy the demands the 2G network for speech business, the also basic and fixed line speech of speech quality compares favourably, if 2G and 3G are organically combined, then can reach mutual supplement with each other's advantages, guarantee QoS and improving the remarkable result that the network whole volume gets on.
In order to adapt to the development of mobile communication system, portable terminal also develops into digital terminal from traditional pseudo-terminal, but present digital terminal mobile phone such as GSM mobile handset all are the single mode mobile phones, only supports to communicate with a kind of mobile communication system; And the appearance of 3G and 3G network and 2G network and deposit, make multi mode terminal developed.So-called multi mode terminal is exactly a terminal phone of supporting two kinds of mobile communication system patterns simultaneously.
After the multi-module mobile terminal startup self-detection, registration automatically, an optional only sub-district, success back is carried out resident and is entered idle condition, the initiation of latency services.After portable terminal enters idle condition, regulation according to 3GPP 25.304 standard agreements, portable terminal according to the measurement control messages in the network system message on every side the sub-district that might monitor monitor, so that can in time find better sub-district carries out resident, if better the sub-district is monitored to, portable terminal will activate cell re-selection mechanism, reselect more suitably the sub-district and carry out resident.
3GPP25.304 stipulated the mechanism of a kind of sub-district gravity treatment in the standard agreement, this mechanism mainly be according to on every side the sub-district that might monitor measure, around obtaining might monitor the signal strength signal intensity of sub-district after, screen according to the signal quality of certain threshold criterion then, determine the persistent district after an only sub-district is as cell selecting and gravity treatment each sub-district.
Because the TD-SCDMA wireless network also is in the first stage of construction and the period of expansion of network at present, network coverage level is compared with GSM and is also had big gap.Different system cell gravity treatment can allow the user use best network all the time, can allow the user enjoy ripe 2G network when experiencing the high speed of TD.
Relation is very complicated between the 2/3G network, the field intensity relation is ever-changing, should consider to avoid ping-pong reselection as far as possible, the device characteristics of different vendor are also different simultaneously, the residing wireless environment in sub-district is also different, it is improper that same strategy is all adopted in all TD sub-districts and GSM sub-district, therefore need suitable reselecting parameters be set to 3G and 2G cell.
In realizing process of the present invention, the inventor finds that there are the following problems in the different interoperability of system mode of prior art wireless scene: the scene of interoperability parameter correspondence is too general, influences the overall network service quality of mobile operator and mobile subscriber's perception.
Summary of the invention
The objective of the invention is to solve in the gravity treatment switching of the different system of wireless scene, it is too general that scene is divided, influence the problem of the overall network service quality of mobile operator and mobile subscriber's perception, propose the method and apparatus that the gravity treatment of the different system of a kind of wireless scene is switched.
For achieving the above object, according to an aspect of the present invention, provide the method for the different interoperability of system of a kind of wireless scene, having comprised: the drive test signal that obtains highway section to be optimized; When the drive test signal in the default time period when measuring point decays to critical call drop point, or when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, or when in the drive test signal be subjected to annoyance level to surpass default interference value the time, carry out the setting of interoperability parameter.
In the technical program, when the drive test signal in the default time period when measuring point decays to critical call drop point, the step of carrying out the setting of interoperability parameter specifically comprises: the duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, carry out the setting of reselecting parameters and/or handoff parameter.
In the technical program, judge that the drive test signal also comprises decay to the step of critical call drop point from measuring point in the default time period after: get a point in per sampling time, be designated as D1 (x 1, y 1), D2 (x 2, y 2) ..., Dn-1 (x N-1, y N-1), Dn (x n, y n); Remember D1 and D2 respectively, D2 and D3 ..., D (n-1) is L1 with the Dn line segment, L2 ..., note L1 and x axle clamp angle are
Figure GSA00000092894800031
-90 °＜θ 1＜90 °,
L (n-1) with x axle clamp angle is -90 °＜θ N-1＜90 °,
α＝min(|θ n-1-θ 1|，(180-|θ n-1-θ 1|))；
If during turning thresholding＜α≤90 °, carry out the setting of interoperability parameter.
Preferably, in the technical program, when the drive test signal strength was lower than default field intensity value or covering and has surpassed automatic adaptive coverage, the step of carrying out the setting of interoperability parameter specifically comprised:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCHC/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, carry out the setting of reselecting parameters and/or handoff parameter.
Preferably, in the technical program, the interoperability parameter comprises reselecting parameters and/or handoff parameter, reselecting parameters comprises the reselecting parameters of 2G to the reselecting parameters of TD-SCDMA or TD-SCDMA to 2G: TD-SCDMA comprises to the reselecting parameters of 2G: Qrxlevmin, Ssearch, RAT, Qhysts, Treselections; Or 2G comprises to the reselecting parameters of TD-SCDMA: Qsearch_I, TDD_Qoffset; Or TD-SCDMA comprises to the handoff parameter of 2G: Tused, TimeToTrigger, TotherRAT, CIOother.
Preferably, in the technical program, when the drive test signal in the default time period when measuring point decays to critical call drop point, carry out TD-SCDMA and specifically comprise to the step of the setting of 2G reselecting parameters:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, and then the Qrxlevmin value is-103dBm, Ssearch, and the RAT value is 15dB, and the Qhysts value is 2dB, and the Treselections value is 1 second; Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, Qrxlevmin value-103dBm then; Ssearch, the RAT value is (6X+9*Fast_fading-15*Slow_fading)/(Fast_fading-Slow_fading) dB; The Qhysts value is 2dB; The Treselections value is X/ (Slow_fading-Fast_fading) second, and wherein X is decay time, and Fast_fading is the rapid fading time threshold, and Slow_fading is the time threshold that declines slowly; Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, Qrxlevmin value-103dBm then; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds.
Preferably, in the technical program, when the drive test signal in the default time period when measuring point decays to critical call drop point, carrying out 2G specifically comprises to the step of the setting of TD-SCDMA reselecting parameters: the duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, then Qsearch_I value 7 or 8; TDD_Qoffset value 8; Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, Qsearch_I value 7 or 8 then; TDD_Qoffset value 7; Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, Qsearch_I value 7 or 8 then; TDD_Qoffset value 6.
Preferably, in the technical program, when the drive test signal in the default time period when measuring point decays to critical call drop point, carrying out TD-SCDMA specifically comprises to the step of the setting of 2G handoff parameter: the duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, then the TimeToTrigger value is the time delay lower limit, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit]; Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, then the TimeToTrigger value is the time delay intermediate value, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit]; Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, then the TimeToTrigger value is the time delay upper limit, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit], wherein, Fading_end_RSCP is critical call drop point field intensity; Back_time is the anti-time span that pushes away; Fading_start_RSCP has been the measuring point field intensity; Fading_time is the decline duration; Tused_upper_limit is the field intensity value of risk.
Preferably, in the technical program, the duration that decays to critical call drop point from measuring point when the drive test signal is lower than the decline time limit that is exceedingly fast, and during turning thresholding＜α≤90 °, then in handoff parameter is provided with: the CIOother value is the individual character skew upper limit; Or be lower than the rapid fading time limit from the duration that measuring point decays to critical call drop point when the drive test signal, and during turning thresholding＜α≤90 °, then in handoff parameter is provided with: the CIOother value is that individual character is offset lower limit.
Preferably, in the technical program, when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, carrying out TD-SCDMA specifically comprises to the step of the setting of the reselecting parameters of 2G: when the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCHC/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, then Qrxlevmin value-103dBm; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds; Or when the PCCPCH of drive test signal RSCP less than covering empty field intensity thresholding and PCCPCH C/I when covering the continuous highway section of empty interference threshold, Qrxlevmin value-103dBm then; Ssearch, RAT value 15dB; Qhysts value 2dB; Treselections value 1 second; Maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, then Qrxlevmin, Ssearch, RAT, Qhysts, Treselections do not have value.
Preferably, in the technical program, when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, carrying out 2G specifically comprises to the step of the setting of the reselecting parameters of TD-SCDMA: when the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCHC/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, or when the PCCPCH of drive test signal RSCP less than covering empty field intensity thresholding and PCCPCH C/I when covering the continuous highway section of empty interference threshold, Qsearch_I value 7 or 8 then; TDD_Qoffset value 6; Maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, reselecting parameters Qsearch_I, TDD_Qoffset do not have value.
Preferably, in the technical program, when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, carrying out TD-SCDMA specifically comprises to the step of the setting of the handoff parameter of 2G: when the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCHC/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, and then the TimeToTrigger value is the time delay intermediate value; Or when the PCCPCHRSCP of drive test signal less than covering empty field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and it is continuous and during greater than drive test number of spots thresholding to satisfy the drive test point of above-mentioned condition, then the TimeToTrigger value is the time delay lower limit.
Preferably, in the technical program, when in the drive test signal be subjected to annoyance level to surpass default interference value the time, the step of carrying out the setting of interoperability parameter specifically comprises: the annoyance level that is subjected in the drive test signal is gone up in limited time less than default the interference; Or the annoyance level that is subjected in the drive test signal still disturbs down in limited time less than default greater than the default upper limit of disturbing, carry out the setting of interoperability parameter, carrying out being provided with specifically of interoperability parameter comprises: TD-SCDMA is provided with as follows to the reselecting parameters of 2G: Qrxlevmin, Ssearch, and RAT, Qhysts, Treselections do not have value; Or 2G is provided with as follows to the TD-SCDMA cell reselection parameters: Qsearch_I, TDD_Qoffset are set to not have value.
According to another object of the present invention, the device of the different interoperability of system of a kind of wireless scene is provided, comprising: the drive test module is used to obtain the drive test signal in highway section to be optimized; Parameter is provided with module, be used for when the drive test signal in the default time period when measuring point decays to critical call drop point, or when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, or when in the drive test signal be subjected to annoyance level to surpass default interference value the time, carry out the setting of interoperability parameter.
In the technical program, parameter is provided with module and comprises: decline scene setting submodule, be used for being lower than when being exceedingly fast decline in limited time when duration that the drive test signal decays to critical call drop point from measuring point, or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, carry out the setting of reselecting parameters and/or handoff parameter.
In the technical program, decline scene setting submodule also is used for getting a point in per sampling time, is designated as D1 (x 1, y 1), D2 (x 2, y 2) ..., Dn-1 (x N-1, y N-1), Dn (x n, y n); Remember D1 and D2 respectively, D2 and D3 ..., D (n-1) is L1 with the Dn line segment, L2 ..., note L1 and x axle clamp angle are
Figure GSA00000092894800071
-90 °＜θ 1＜90 °,
L (n-1) with x axle clamp angle is
Figure GSA00000092894800072
-90 °＜θ N-1＜90 °,
α＝min(|θ n-1-θ 1|，(180-|θ n-1-θ 1|))；
In the technical program, parameter is provided with module and can also comprises: cover unusual scene setting submodule, be used for working as the PCCPCH RSCP of drive test signal less than weak covering field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCHC/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, carry out the setting of reselecting parameters and/or handoff parameter.
In the technical program, the interoperability parameter comprises reselecting parameters and/or handoff parameter, reselecting parameters comprises the reselecting parameters of 2G to the reselecting parameters of TD-SCDMA or TD-SCDMA to 2G: TD-SCDMA comprises to the reselecting parameters of 2G: Qrxlevmin, Ssearch, RAT, Qhysts, Treselections; Or 2G comprises to the reselecting parameters of TD-SCDMA: Qsearch_I, TDD_Qoffset; Or TD-SCDMA comprises to the handoff parameter of 2G: Tused, TimeToTrigger, TotherRAT, CIOother.
In the method and apparatus of the different interoperability of system of wireless scene of various embodiments of the present invention, can carry out the automatic scene analysis to DT drive test result, and provided gravity treatment, handoff parameter mapping method based on concrete scene, help to promote mobile operator's overall network quality and user's perception.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention jointly with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the different interoperability of system method of the embodiment of the invention one wireless scene;
Fig. 2 is the schematic diagram that the embodiment of the invention one TD-SCDMA scene is divided;
Fig. 3 is decline scene signal variation relation schematic diagram;
Fig. 4 is that turning effector scene longitude and latitude concerns schematic diagram
Fig. 5 is for covering empty scene signal variation relation schematic diagram;
Signal variation relation schematic diagram in the weak covering scene of Fig. 6;
Fig. 7 is the schematic diagram of the embodiment of the invention one reselecting parameters;
Fig. 8 is the mapping algorithm schematic diagram of the different handoff parameter TimeToTrigger of system;
Fig. 9 is the mapping algorithm schematic diagram of the different handoff parameter Tused of system;
Figure 10 is the mapping algorithm schematic diagram of the different handoff parameter CIOother of system;
Figure 11 is the mapping algorithm schematic diagram of the different handoff parameter TotherRAT of system.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described, should be appreciated that embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Embodiment one
Fig. 1 is the flow chart of the different interoperability of system method of the embodiment of the invention one wireless scene.As shown in Figure 1, present embodiment comprises:
Step S102: the drive test signal that obtains highway section to be optimized;
Step S104: when the drive test signal in the default time period when measuring point decays to critical call drop point, or when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, or when in the drive test signal be subjected to annoyance level to surpass default interference value the time, carry out the setting of interoperability parameter.
In the present embodiment, in prior art, the scene of reselecting parameters correspondence is too rough, the defective that the choosing of reselecting parameters do not have and concrete scene is mapped, scene to sub-district to be measured is carried out refinement, thereby can improve service quality and user's susceptibility of operator.
Fig. 2 is the schematic diagram that the embodiment of the invention one TD-SCDMA scene is divided.As shown in Figure 2, the present invention is divided into TD-SCDMA interoperability scene decline, covers unusual, interference three class large scenes.
The decline scene: the drive test signal decays to critical call drop point from measuring point in the default time period, and comprising is exceedingly fast declines, rapid fading, slow fading and the sub-scene of turning effect four classes.The sub-scene of decline is exceedingly fast: the drive test signal is decayed fast with the space, and the drive test signal level that terminal receives is lower than the rapid fading time threshold before dropping to speech business call drop point from measuring point.The sub-scene of rapid fading: the drive test signal is decayed at a slow speed with the space, before the drive test signal level that terminal receives drops to the speech business call drop from measuring point, arrives between the slow fading time threshold at the rapid fading time threshold.The sub-scene of slow fading: the drive test signal is slowly decayed with the space, before the drive test signal level that terminal receives drops to the speech business call drop from measuring point, greater than the slow fading time threshold.Turning effector scene: the drive test signal waits the decay of corner at the parting of the ways.
Fig. 3 is decline scene signal variation relation schematic diagram, and as shown in Figure 3, the mobile communication drive test signal level of driver test system output is along with the time drops to critical call drop point from measuring point in the decline scene.Be divided into be exceedingly fast decline sub-scene 1, rapid fading scene 2 and slow fading scene 3 according to signal decline degree.The present invention defines signal fadeout and turning effect from the amplitude of fading, decline duration, three aspects of longitude and latitude path change.On the amplitude of fading, decay to critical call drop level point from the measuring point level; On the decline duration, define the decline that is exceedingly fast, rapid fading, slow fading with rapid fading time threshold and slow fading time threshold; On the longitude and latitude path change, define the reason that decline takes place and whether be the turning taken place, block by the building of corner and cause decline.
Fig. 4 is that turning effector scene longitude and latitude concerns schematic diagram.As shown in Figure 4, after defining obtain the being exceedingly fast sub-scene of decline, rapid fading scene, slow fading scene with the amplitude of fading of mobile communication drive test signal level and the duration that declines, again the drive test data sample in every kind of decline scene is analyzed, in conjunction with the longitude and latitude of each drive test data sample.Per sampling time is got a point, is designated as D1, D2 ..., Dn.Remember D1 and D2 respectively, D2 and D3 ..., D (n-1) is L1 with the Dn line segment, L2 ..., L (n-1) is if angle＞α between L1 and the L (n-1) then thinks to belong to turning effector scene.
Note L1 and x axle clamp angle are
Figure GSA00000092894800101
-90 °＜θ 1＜90 °
L (n-1) with x axle clamp angle is
Figure GSA00000092894800102
-90 °＜θ N-1＜90 °
Then α=min (| θ N-1-θ 1|, (180-| θ N-1-θ 1|));
Preliminary judge that be turning effect scene when turning thresholding＜α≤90 °.
According to initial longitude and latitude, termination longitude and latitude, the respective base station sub-district of every kind of scene it is sorted out output again, so that the later stage is to every kind of parameters optimization that different scene configuration are different.
Cover unusual scene:
Weak cover sub-scene TD-SCDMA signal a little less than, orientate as cover empty field intensity thresholding (as-95dBm)＜PCCPCH RSCP＜weak covering field intensity thresholding (as-90dBm) and PCCPCH C/I＜weak covering interference threshold (as-3dB) continuous highway section; Cover a little less than the empty sub-scene TD-SCDMA pickup electrode, orientate as the empty field intensity thresholding of PCCPCH RSCP＜covering (as-95dBm) and PCCPCHC/I＜cover empty interference threshold (as-3dB) continuous highway section; The sub-scene of area covered need calculate main Serving cell and adjacent area farthest apart from K, when main Serving cell coverage surpasses the K value, be judged to be area covered.
Fig. 5 is for covering empty scene signal variation relation schematic diagram.As shown in Figure 5, curve 1 is for covering empty scene field intensity value sequence, and the received signal field intensity value of driver test system output is being lower than along with the time to cover always and changes between the empty field intensity threshold value and received signal C/I value is being lower than along with the time between the empty interference threshold of covering always and changes in covering empty scene.
Signal variation relation schematic diagram in the weak covering scene of Fig. 6.As shown in Figure 6, signal variation relation schematic diagram in the weak covering scene.The signal strength value that in weak covering scene, receives along with the time in weak covering field intensity threshold value with cover between the empty field intensity threshold value and to change and received signal C/I value is being lower than along with the time between the weak covering interference threshold and changes always.Ascending curve 1, notching curve 2 and convex curves 3 are weak covering scene field intensity value sequence.
Disturb scene: the TD-SCDMA Serving cell has the homogeneous-frequency adjacent-domain close with its field intensity it is produced interference, comprises strong jamming and the sub-scene of weak jamming two classes.The sub-scene of strong jamming: the annoyance level that is subjected in the drive test signal disturbs the upper limit less than presetting; The sub-scene of weak jamming: the annoyance level that is subjected in the drive test signal still disturbs lower limit less than presetting greater than the default upper limit of disturbing.
The interoperability parameter comprises reselecting parameters and handoff parameter, and Fig. 7 is the schematic diagram of the embodiment of the invention one reselecting parameters.As shown in Figure 7, reselecting parameters is divided into the reselecting parameters of 2G to the reselecting parameters of TD-SCDMA and TD-SCDMA to 2G, 2G comprises to the reselecting parameters of TD-SCDMA: Qsearch_I, TDD_Qoffset, TD-SCDMA comprises to the reselecting parameters of 2G: Qrxlevmin, Ssearch, RAT, Qhysts, Treselections.With TD-SCDMA is example, and the interoperability handoff parameter comprises: Tused, TimeToTrigger, TotherRAT, CIOother.
Wherein, Qsearch_I: the implication of this parameter is to begin to start measurement to the TD sub-district as the RSSI of 2G cell when reaching certain thresholding.TDD_Qoffset: decision threshold TDD_Qoffset: the implication of this parameter is when continuous 5 seconds of the PCCPCH of TD adjacent area RSCP value during greater than TDD_Qoffset, will carry out 2G to gravity treatment between the system of TD.Qrxlevmin: the RSCP (received signal code channel power) of minimum PCCPCH (broadcast channel) signal of available cell.Ssearch, RAT: different system cell measurement triggering thresholding skew.Qhysts: the amount of hysteresis of Serving cell is in order suitably to promote the priority of Serving cell.Treselections: time lag coefficient.
Wherein, Tused: native system frequency quality threshold; TimeToTrigger: between system switching time sluggishness; TotherRAT: different system frequency quality threshold; CIOother: individual character skew; The hysteresis of H3a:3a incident.
Present embodiment provides a kind of different interoperability of system method at the mobile communication wireless scene, at first provided the concrete classification of scene, carry out the setting of interoperability parameter according to detailed scene information and neighboring BS relationship, thereby help to promote mobile operator's overall network quality and user's perception.
Embodiment two
Present embodiment will be on the basis of embodiment one, and emphasis describes to the reselecting parameters setting of 2G 3G under the different scenes.Table one is the mapping table of 3G of the present invention to 2G reselecting parameters and scene.As shown in Table 1:
Table one: 3G is to the mapping table of 2G reselecting parameters and scene
Scene Q_rxlev min (dBm) S_SearchRat(dB) Tresel (s) QHyst1S (dB)
Be exceedingly fast and decline -103 15 1 2
Rapid fading -103 (6X+9*Fast_fading-15*Slo w_fading)/(Fast_fading- Slow_fading) X/(Slow_fading- Fast_fading) 2
Slow fading -103 9 2 2
The weak covering -103 9 2 2
Cover the cavity -103 15 1 2
In the middle of the table one, X is decay time, and Fast_fading is the rapid fading time threshold, and Slow_fading is the time threshold that declines slowly.In TD-SCDMA was exceedingly fast the sub-scene of decline, the TD-SCDMA signal was decayed fast with the space, such as serious highway and the railway place etc. of decaying.Because the TD signal will decline to critical call drop point in a short period of time, may go on the net so must allow terminal account for G more rapidly less than 3S, to avoid access failure and call drop incident, influence user's perception.
In TD-SCDMA was exceedingly fast the sub-scene of decline, TD-SCDMA was as follows to the 2G cell reselecting parameters: Qrxlevmin value-103dBm; Ssearch, RAT value 15dB; Qhysts value 2dB; Treselections value 1 second.
In TD-SCDMA rapid fading scene, the TD-SCDMA signal is decayed at a slow speed with the space, such as under behind covering shade of bridge opening, building, the viaduct etc.The TD signal can decline to critical call drop point at short notice, but there is not the rapid fading scene so rapid, at least have the time of 3S, can formulate corresponding gravity treatment strategy, guarantee user's perceptibility when can maximizedly allow terminal take T net signal like this according to the time of signal fadeout.
In the sub-scene of TD-SCDMA rapid fading, TD-SCDMA is provided with as follows to the 2G cell reselecting parameters: Qrxlevmin value-103dBm; Ssearch, RAT value (6X+9*Fast_fading-15*Slow_fading)/(Fast_fading-Slow_fading) dB; Qhysts value 2dB; Treselections value X/ (Slow_fading-Fast_fading) second, wherein X was decay time; Fast_fading is the rapid fading time threshold, and Slow_fading is the time threshold that declines slowly.
In TD-SCDMA slow fading scene, the TD-SCDMA signal is slowly decayed with the space, has the time of 6S at least, and it is this scene that most of TD cover the edge.Under this scene, only need allow the timely gravity treatment of terminal just passable to the 2G network.
In TD-SCDMA slow fading scene, TD-SCDMA is as follows to the 2G cell reselecting parameters: Qrxlevmin value-103dBm; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds.
A little less than TD-SCDMA in the covering scene, the RSCP (received signal code channel power) of PCCPCH (broadcast channel) signal of the TD-SCDMA network of driver test system output is along with the time is being played variation between measuring point and the critical call drop point, T host's Serving cell signal is more weak all the time, is similar to the T net and covers the edge.
In the covering scene, TD-SCDMA is as follows to the 2G cell reselecting parameters a little less than TD-SCDMA: Qrxlevmin value-103dBm; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds.
Cover cavity, strong jamming, weak jamming, area covered, the leakage of 2/3G adjacent area at TD-SCDMA and join that TD-SCDMA is to 2G cell reselecting parameters Qrxlevmin, Ssearch in the scene, RAT, Qhysts, Treselections do not have value.
The inventor tests in certain city, and process is as follows:
Step 1: the drive test signal that obtains highway section to be optimized;
Step 2: to the ropy highway section of wireless signal, classify according to the drive test signal, as follows through measuring the TD-SCDMA scene of calculating the 2G cell correspondence:
Dong Hulu province industrial and commercial bureau: rapid fading scene;
Lake medical university: slow fading scene;
Middle North Road primary school: weak covering scene;
Dong Ting: cover empty scene;
Peach mountain guesthouse: the sub-scene of decline is exceedingly fast;
Dong Ting garden: weak jamming scene;
Pilot scale base: strong jamming scene;
Huaneng Group: area covered scene;
Step 3: the scene classification according to dividing, carry out the setting of corresponding with service sub-district TD-SCDMA to the reselecting parameters of 2G, table two is the mapping table of specific cell 3G of the present invention to 2G reselecting parameters and scene.As shown in Table 2, concrete parameter is provided with as follows:
Test cell Qrxlevmin (dBm) Ssearch，RAT (dB) Qhysts (dB) ?Treselections?(s)
Dong Hulu province industrial and commercial bureau -103 13 2 ?1.2
Lake medical university -103 9 2 ?2
Middle North Road primary school -103 9 2 ?2
Dong Ting -103 15 2 ?1
Peach mountain guesthouse -103 15 2 ?1
The Dong Ting garden No value No value No value No value
The pilot scale base No value No value No value No value
The Huaneng Group No value No value No value No value
Present embodiment is among the embodiment one, and the refinement that various scenes and parameter are provided with has whole beneficial effects of embodiment one, no longer repeats herein.
Embodiment three
2G is to the reselecting parameters value mode difference of 3G under the different scenes.Need be under every kind of scene, organize test on a large scale, and test achievement the most at last and be mapped in the scene.
Terminal will reside in the 3G net as far as possible when the 3G signal is good, oppositely understands this notion, and just terminal will be few as far as possible when 3G net is bad resides in the 3G net.According to the recognition methods of scene, in fact to cover be in-problem to sub-district 3G network of existing scene just can characterize this sub-district.At these scenes, can allow terminal not choose these so easily by reselecting parameters in the 2G side has the 3G sub-district of scene to get on, and considers the fluctuation GAP of field intensity and the probability of generation soldier pang switching again, and 2G just can finish to the automatic coupling of the reselecting parameters of 3G.
In this was implemented, key parameter is provided with as follows: the rapid fading time threshold was made as 3s; The slow fading time threshold is made as 6s; Playing measuring point (field intensity) is made as-82dBm; Critical call drop point (field intensity) is made as-90dBm.
Table three shines upon schematic diagram for 2G of the present invention to 3G reselecting parameters and scene.
Table three: 2G is to 3G reselecting parameters and scene mapping schematic diagram
Scene Q_rxlevmin (dBm) ?S_SearchRat?(dB) GAP (dB) TDD_Qoffset TDD_Qoffset Qsearch_I
Decline is exceedingly fast -103 ?15 7 -81 8 7 or 8
Rapid fading -103 ?21-2t 7 -75-2t 7 7 or 8
Slow fading -103 ?9 7 -87 6 7 or 8
The weak covering -103 ?9 7 -87 6 7 or 8
Cover the cavity -103 ?15 7 -87 6 7 or 8
As shown in Table 3, the strongest T net adjacent area of G net is the sub-scene of decline that is exceedingly fast, and will allow G net sub-district not want gravity treatment as far as possible so and go to T net sub-district, if gravity treatment is to T net sub-district, must guarantee the signal quality of T net, otherwise can cause call drop, access failure or soldier pang switching.2G is as follows to the TD-SCDMA cell reselection parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 8.
The strongest T net adjacent area of G net is the rapid fading scene, will allow G net sub-district not want gravity treatment as far as possible so goes to T net sub-district, if gravity treatment is to T net sub-district, must guarantee the signal quality of T net, the sub-scene of decline is so not fast because the decline of adjacent area is exceedingly fast, can formulate corresponding gravity treatment strategy according to the time of signal fadeout, guarantee user's perceptibility when can maximizedly allow terminal take T net signal like this.2G is as follows to the TD-SCDMA cell reselection parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 7.
The strongest T net adjacent area of G net is the slow fading scene, and the TD-SCDMA signal is slowly decayed with the space, has the time of 6S at least, under the assurance of certain field intensity value, can allow the terminal gravity treatment to T net sub-district.2G is as follows to the TD-SCDMA cell reselection parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 6.
The strongest T net adjacent area of G net is weak covering scene or covers empty scene that it is more weak to have a segment signal in the T net adjacent area, but does not have the quick decline of signal, under the assurance of certain field intensity value, can allow the terminal gravity treatment to T net sub-district.2G is as follows to the TD-SCDMA cell reselection parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 6.
2G does not have value to TD-SCDMA cell reselection parameters Qsearch_I, TDD_Qoffset in TD-SCDMA strong jamming, weak jamming, the sub-scene of area covered.
The scene of actual measurement is shown in embodiment two, and step 1 is all identical with step 2, and difference is:
Step 3: according to the cell classification of dividing, carry out the setting of 2G to the reselecting parameters of TD-SCDMA, table four is the mapping table of specific cell 2G of the present invention to 3G reselecting parameters and scene.As shown in Table 4, concrete parameter is provided with as follows:
Table four is the mapping table of specific cell 2G of the present invention to 3G reselecting parameters and scene
Test cell Qsearch_I TDD_Qoffset
Dong Hulu province industrial and commercial bureau 7 or 8 7
Lake medical university 7 or 8 6
Middle North Road primary school 7 or 8 6
Dong Ting 7 or 8 6
Peach mountain guesthouse 7 or 8 8
The Dong Ting garden No value No value
The pilot scale base No value No value
The Huaneng Group No value No value
Present embodiment is among the embodiment one, and the refinement that various scenes and parameter are provided with has whole beneficial effects of embodiment one, no longer repeats herein.
Embodiment four
After each step of embodiment one-three, can also comprise different system handoff parameter mapping steps.The interoperability handoff parameter comprises: sluggishness, sub-district individual character skew switching time between native system frequency quality threshold, different system frequency quality threshold, system.Concrete rule is: the frequency of utilization quality is lower than native system frequency quality threshold at present, and another other system carrier frequency is higher than different system frequency quality threshold, and the time that this situation is kept is more than switching time sluggishness between system, with regard to the switching between generation systems.
With TD-SCDMA is example, and the interoperability handoff parameter comprises: Tused, TimeToTrigger, TotherRAT, CIOother are defined as follows respectively: Tused: native system frequency quality threshold; TimeToTrigger: between system switching time sluggishness; TotherRAT: different system frequency quality threshold; CIOother: individual character skew; The hysteresis of H3a:3a incident.
Concrete rule is as follows:
Condition 1:Quesd＜=Tuesd+H3a/2;
Condition 2:MOtherRAT+CIOother RAT＞=TOther RAT+H3a/2;
Condition 3:T＞=TimeToTrigger;
If above three formula satisfy simultaneously, will trigger UE and report the 3a incident, carry out switching between system.
In this was implemented, key parameter is provided with as follows: the rapid fading time threshold was made as 3s; The slow fading time threshold is made as 6s; Playing measuring point (field intensity) is made as-82dBm; Critical call drop point (field intensity) is made as-90dBm; The anti-time span that pushes away is set to 3 seconds; Value of risk is made as-80dBm
Below the correspondence for the different handoff parameter TimeToTrigger of system, Tused, CIOother, TotherRAT is provided with relation.
Fig. 7 is the mapping algorithm schematic diagram of the different handoff parameter TimeToTrigger of system, as shown in Figure 7, according to different interoperability scenes, TimeToTrigger value mode difference.
Decline in the scene being exceedingly fast, the TimeToTrigger value is the time delay lower limit.In the rapid fading scene, the TimeToTrigger value is the time delay intermediate value.Fall to declining slowly and weak covering scene in, the TimeToTrigger value is the time delay upper limit.
In the present embodiment, in the decline sub-scene or cover in the empty scene that is exceedingly fast, the TimeToTrigger value is 640ms; In sub-scene of rapid fading or the sub-scene of weak covering, the TimeToTrigger value is 1280ms; In the sub-scene of slow fading, the TimeToTrigger value is 2560ms.For example, as follows through measuring calculating acquisition interoperability scene sub-district:
Hong Shan _ 1: cover the cavity
Crossing South community _ 2: slow fading turning, decline duration=9s
Hotel, Lopa Nationality an ancient woman's ornament mountain _ 2: the sub-scene of decline that is exceedingly fast, decline duration=2s
Fu Jiapo _ 2: rapid fading turning effect scene, decline duration=5s
Zone, twelfth floor south, Chinese workers east _ 3: weak covering scene
When carrying out the TimeToTrigger parameter configuration:
Then the TimeToTrigger value is respectively:
Hong Shan _ 1:640ms
Crossing South community _ 2:2560ms
Lopa Nationality an ancient woman's ornament mountain hotel _ 2:640ms
Fu Jiapo _ 2:1280ms
Twelfth floor south, Chinese workers east zone _ 3:1280ms
Fig. 8 is the mapping algorithm schematic diagram of the different handoff parameter Tused of system.As shown in Figure 8, according to different interoperability scenes, Tused value mode difference.In the decline scene, need the regular hour owing to finish TD to switching between the system of 2G, if signal fadeout is too fast, can produce that signal has just satisfied different system switching condition and when just preparing to switch, signal worsens the call drop that causes in TD nets rapidly.The approach of head it off is, goes out the regular hour for finishing different system handoff reservation, is designated as the anti-time span that pushes away here.For the decline scene, push away an anti-time span that pushes away forward from the field intensity value of critical call drop point, this moment, the field intensity value of correspondence was designated as the Tused of this decline scene.If signal fadeout is very fast, then from the field intensity value of critical call drop point push away forward one counter push away time span after corresponding field intensity value may be excessive, can cause this zone to be difficult to take the signal of T net like this, therefore, define a field intensity value of risk, if the anti-Tused that releases, remembers then that Tused is a value of risk greater than this value of risk.
In be exceedingly fast decline sub-scene, rapid fading scene and slow fading scene, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit], wherein, Fading_end_RSCP is critical call drop point field intensity; Back_time is the anti-time span that pushes away; Fading_start_RSCP has been the measuring point field intensity; Fading_time is the decline duration; Tused_upper_limit is the field intensity value of risk.Get the minimum value in these two.In covering empty scene, Tused=-85dBm, in weak covering scene, Tused=-88dBm.
For example:
As follows through measuring calculating acquisition interoperability scene sub-district:
Hong Shan _ 1: cover the cavity;
Mouth flood mountain, street learns _ 1: slow fading, decline duration=8s;
Crossing South community _ 2: slow fading turning, decline duration=7s;
Chinese workers' complex building _ 2: the turning effect scene that declines that is exceedingly fast, decline duration=2s;
Hotel, Lopa Nationality an ancient woman's ornament mountain _ 2: the sub-scene of decline that is exceedingly fast, decline duration=2.5s;
Fu Jiapo _ 2: rapid fading turning effect scene, decline duration=4s;
Lake medical university _ 2: rapid fading scene, decline duration=5s;
Zone, twelfth floor south, Chinese workers east _ 3: weak covering scene.
When carrying out the Tused parameter configuration:
Hong Shan _ 1:Tused=-85dBm;
Street mouth flood mountain _ 1:Tused=min{-90+3*[-82-(90)]/8 ,-80}=-87dBm;
Crossing South community _ 2:Tused=min{-90+3*[-82-(90)]/7 ,-80}=-84.57dBm;
Chinese workers' complex building _ 2:
Tused＝min{-90+3*[-82-(-90)]/2，-80}＝min{-78，-80}＝-80dBm；
Lopa Nationality an ancient woman's ornament mountain hotel _ 2:Tused=min{-90+3*[-82-(90)]/2.5 ,-80}=-80.4dBm;
Fu Jiapo _ 2:min{-90+3*[-82-(90)]/4 ,-80}=-84dBm;
Lake medical university _ 2:Tused=min{-90+3*[-82-(90)]/4 ,-80}=-85.2dBm;
Twelfth floor south, Chinese workers east zone _ 3:-88dBm.
If untimely switching during main Serving cell signal fadeout around the corner may cause call drop.Therefore need before the turning, in time switch to other different system cells.The corresponding individual character skew CIOother that respective cell just should be set is so that in time switch.In the decline turning effector scene that is exceedingly fast, the CIOother value is the individual character skew upper limit; In the effector scene of rapid fading turning, the CIOother value is an individual character skew intermediate value; In the turning effector scene that declines slowly, the CIOother value is an individual character skew lower limit.Fig. 9 is the mapping algorithm schematic diagram of the different handoff parameter CIOother of system.As shown in Figure 9, according to different interoperability scenes, CIOother value mode difference.
For example:
As follows through measuring calculating acquisition interoperability scene sub-district:
Mouth flood mountain, street learns _ 1: slow fading;
Crossing South community _ 2: slow fading turning;
Chinese workers' complex building _ 2: the turning effect scene that declines is exceedingly fast;
Hotel, Lopa Nationality an ancient woman's ornament mountain _ 2: the sub-scene of decline is exceedingly fast;
Fu Jiapo _ 2: rapid fading turning effect scene;
Lake medical university _ 2: rapid fading scene.
When carrying out the CIOother parameter configuration:
Street mouth flood mountain _ 1:0dB;
Crossing South community _ 2:1dB;
Chinese workers complex building _ 2:4dB;
Lopa Nationality an ancient woman's ornament mountain hotel _ 2:0dB;
Fu Jiapo _ 2:2dB;
Lake medical university _ 2:0dB.
Figure 10 is the mapping algorithm schematic diagram of the different handoff parameter TotherRAT of system, and as shown in figure 10, mapping algorithm comprises: divide the interval that 2G covers intensity; Statistics drive test signal falls into the probability that 2G covers intensity interval; The field intensity lower limit that the 2G of probability of occurrence maximum covers intensity interval is defined as TotherRAT.Specifically:, divide the interval that 2G covers intensity 1) according to different 2G coverage conditions.For example will cover intensity is divided into: [80 ,+∞], [83 ,-80], [86 ,-83], [89 ,-86], the interval of [∞ ,-89]; 2) statistics falls into the drive test signal probability of occurrence that 2G covers intensity interval.For example add up each drive test point signal strength signal intensity in the scene and fall into the number in above interval; 3) the field intensity value of the covering intensity interval of probability of occurrence maximum is defined as TotherRAT.The drive test point that for example falls into [80 ,+∞] is maximum, and the TotherRAT that just gets this scene is-80.
For example:
As follows through measuring calculating acquisition interoperability scene sub-district:
Hong Shan _ 1: cover the cavity;
Mouth flood mountain, street learns _ 1: slow fading;
Crossing South community _ 2: slow fading turning;
Chinese workers' complex building _ 2: the turning effect scene that declines is exceedingly fast;
Hotel, Lopa Nationality an ancient woman's ornament mountain _ 2: the sub-scene of decline is exceedingly fast.
As follows through measuring calculating 2G Q_rxlev:
Hong Shan _ 1: interval distribution is wide in [80 ,+∞];
Mouth flood mountain, street learns _ 1: interval distribution is wide in [83 ,-80];
Crossing South community _ 2: interval distribution is wide in [86 ,-83];
Chinese workers' complex building _ 2: interval distribution is wide in [89 ,-86];
Hotel, Lopa Nationality an ancient woman's ornament mountain _ 2: interval distribution is wide in [∞ ,-89].
It is as follows to set Q_rxlev and TotherRAT mapping relations:
The Q_rxlev measured value is wide in [80 ,+∞] interval distribution, and the TotherRAT value is-80dBm;
The Q_rxlev measured value is wide in [83 ,-80] interval distribution, and the TotherRAT value is-83dBm;
The Q_rxlev measured value is wide in [86 ,-83] interval distribution, and the TotherRAT value is-86dBm;
The Q_rxlev measured value is wide in [89 ,-86] interval distribution, and the TotherRAT value is-89Bm;
The Q_rxlev measured value is wide in [∞ ,-89] interval distribution, and the TotherRAT value is-92dBm.
Then the TotherRAT value of above sub-district is respectively:
Hong Shan _ 1:-80dBm;
Street mouth flood mountain _ 1:-83dBm;
Crossing South community _ 2:-86dBm;
Chinese workers complex building _ 2:-89dBm;
Lopa Nationality an ancient woman's ornament mountain hotel _ 2:-92dBm.
Present embodiment has increased the mapping step of different system handoff parameter on the basis of embodiment one-three.By having provided the classification of interoperability parameter,, provide the mapping method of each interoperability parameter respectively then at different interoperability scenes.Carry out computational analysis by the detailed interoperability scene information of 3G, can draw the interoperability parameter of each sub-district, thereby help to promote mobile operator's overall network quality and user's perception input.
Embodiment five
The present embodiment topic provides the device of the different interoperability of system of a kind of wireless scene, and comprising: the drive test module is used to obtain the drive test signal in highway section to be optimized; Parameter is provided with module, be used for when the drive test signal in the default time period when measuring point decays to critical call drop point; Or when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage; Or when in the drive test signal be subjected to annoyance level to surpass default interference value the time, carry out the setting of interoperability parameter.
Wherein, when the drive test signal in the default time period when measuring point decays to critical call drop point, be the scene that declines; When the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, for covering unusual scene; When in the drive test signal be subjected to annoyance level to surpass default interference value the time, be to disturb scene.
In the present embodiment, according to the decline duration from the measuring point field strength attenuation to critical call drop point field intensity on the amplitude of fading, the decline scene further comprises be exceedingly fast decline sub-scene, the sub-scene of rapid fading or the sub-scene of slow fading; Define on the longitude and latitude path change whether the reason that decline takes place is that the turning has taken place, the decline scene further comprises turning effector scene.
Covering unusual scene further comprises: the sub-scene of weak covering, cover empty sub-scene, the sub-scene of area covered, when the PCCPCH of drive test signal RSCP＜-90dBm and PCCPCH C/I＜-the continuous highway section of 3dB, be judged to be the weak sub-scene that covers; When the PCCPCH of drive test signal RSCP＜-95dBm and PCCPCH C/I＜-the continuous highway section of 3dB, be judged to be and cover empty sub-scene; When main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, be judged to be area covered.
Disturb scene further to comprise sub-scene of strong jamming and the sub-scene of weak jamming, the annoyance level that is subjected in the drive test signal is gone up in limited time less than default the interference, is the sub-scene of strong jamming; The annoyance level that is subjected in the drive test signal still disturbs down in limited time less than default greater than the default upper limit of disturbing, and is the sub-scene of weak jamming.
In the present embodiment, parameter is provided with module and comprises: decline scene setting submodule, be used for being lower than when being exceedingly fast decline in limited time when duration that the drive test signal decays to critical call drop point from measuring point, or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, carry out the setting of reselecting parameters and/or handoff parameter.
In addition, described decline scene setting submodule also is used for getting a point in per sampling time, is designated as D1 (x 1, y 1), D2 (x 2, y 2) ..., Dn-1 (x N-1, y N-1), Dn (x n, y n);
Remember D1 and D2 respectively, D2 and D3 ..., D (n-1) is L1 with the Dn line segment, L2 ...,
Note L1 and x axle clamp angle are
Figure GSA00000092894800241
-90 °＜θ 1＜90 °,
L (n-1) with x axle clamp angle is
Figure GSA00000092894800242
-90 °＜θ N-1＜90 °,
α＝min(|θ n-1-θ 1|，(180-|θ n-1-θ 1|))；
If during turning thresholding＜α≤90 °, carry out the setting of interoperability parameter.
In addition, described parameter is provided with module and can also comprises: cover unusual scene setting submodule, be used for working as the PCCPCH RSCP of drive test signal less than weak covering field intensity thresholding, PCCPCH C/I is less than weak covering interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, carry out the setting of reselecting parameters and/or handoff parameter.
In the present embodiment, the interoperability parameter comprises reselecting parameters and/or handoff parameter, described reselecting parameters comprises the reselecting parameters of 2G to the reselecting parameters of TD-SCDMA or TD-SCDMA to 2G: TD-SCDMA comprises to the reselecting parameters of 2G: Qrxlevmin, Ssearch, RAT, Qhysts, Treselections; Or 2G comprises to the reselecting parameters of TD-SCDMA: Qsearch_I, TDD_Qoffset; Or TD-SCDMA comprises to the handoff parameter of 2G: Tused, TimeToTrigger, TotherRAT, CIOother.
In decline scene setting submodule and the unusual scene setting submodule of covering, if current frequency of utilization quality is lower than default native system frequency quality threshold, another system's carrier frequency that detects is higher than default different system frequency quality threshold, the time that above-mentioned condition is kept is more than switching time sluggishness between predetermined system, UE reports the 3a incident, carries out the switching between system.For the TD-SCDMA system; Handoff parameter is provided with submodule, is used for:
Condition 1:Quesd＜=Tuesd+H3a/2
Condition 2:MOtherRAT+CIOother RAT＞=TOther RAT+H3a/2
Condition 3:T＞=TimeToTrigger;
When above-mentioned three conditions satisfy simultaneously, carry out the switching between system, wherein Quesd: present frequency of utilization quality; MOtherRAT: another system's carrier frequency quality that detects; The time that the T above-mentioned condition continues; Tused: default native system frequency quality threshold; TotherRAT, default different system frequency quality threshold; TimeToTrigger: between system switching time sluggishness; CIOother: individual character skew; The hysteresis of H3a:3a incident.
The method that present embodiment is realized can be with reference to the related description of embodiment one-four, and has whole beneficial effects of the foregoing description, no longer repeats herein.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc, CD, network node, scheduler.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (25)

1. the method for the different interoperability of system of wireless scene is characterized in that, comprising:
Obtain the drive test signal in highway section to be optimized;
When the drive test signal in the default time period when measuring point decays to critical call drop point, or when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, or when in the drive test signal be subjected to annoyance level to surpass default interference value the time, carry out the setting of interoperability parameter.
2. method according to claim 1 is characterized in that, described when the drive test signal in the default time period when measuring point decays to critical call drop point, the step of carrying out the setting of interoperability parameter specifically comprises:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, carry out the setting of reselecting parameters and/or handoff parameter.
3. method according to claim 2 is characterized in that, described judgement drive test signal also comprises decay to the step of critical call drop point from measuring point in the default time period after:
Get a point in per sampling time, be designated as D1 (x 1, y 1), D2 (x 2, y 2) ..., Dn-1 (x N-1, y N-1), Dn (x n, y n);
Remember D1 and D2 respectively, D2 and D3 ..., D (n-1) is L1 with the Dn line segment, L2 ...,
Note L1 and x axle clamp angle are
Figure FSA00000092894700011
-90 °＜θ 1＜90 °,
L (n-1) with x axle clamp angle is
Figure FSA00000092894700012
-90 °＜θ N-1＜90 °,
α＝min(|θ n-1-θ 1|，(180-|θ n-1-θ 1|))；
If during turning thresholding＜α≤90 °, carry out the setting of interoperability parameter.
4. method according to claim 1 is characterized in that, described when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, the step of carrying out the setting of interoperability parameter specifically comprises:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCHC/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, carry out the setting of reselecting parameters and/or handoff parameter.
5. according to each described method among the claim 2-4, it is characterized in that described interoperability parameter comprises reselecting parameters and/or handoff parameter, described reselecting parameters comprises the reselecting parameters of 2G to the reselecting parameters of TD-SCDMA or TD-SCDMA to 2G:
TD-SCDMA comprises to the reselecting parameters of 2G: Qrxlevmin, Ssearch, RAT, Qhysts, Treselections;
Or described 2G comprises to the reselecting parameters of TD-SCDMA: Qsearch_I, TDD_Qoffset;
Or TD-SCDMA comprises to the handoff parameter of 2G: Tused, TimeToTrigger, TotherRAT, CIOother.
6. method according to claim 5 is characterized in that, described when the drive test signal in the default time period when measuring point decays to critical call drop point, carry out TD-SCDMA and specifically comprise to the step of the setting of 2G reselecting parameters:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, and then the Qrxlevmin value is-103dBm, Ssearch, and the RAT value is 15dB, and the Qhysts value is 2dB, and the Treselections value is 1 second;
Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, Qrxlevmin value-103dBm then; Ssearch, the RAT value is (6X+9*Fast_fading-15*Slow_fading)/(Fast_fading-Slow_fading) dB; The Qhysts value is 2dB; The Treselections value is X/ (Slow_fading-Fast_fading) second, and wherein X is decay time, and Fast_fading is the rapid fading time threshold, and Slow_fading is the time threshold that declines slowly;
Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, Qrxlevmin value-103dBm then; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds.
7. method according to claim 5 is characterized in that, described when the drive test signal in the default time period when measuring point decays to critical call drop point, carry out 2G and specifically comprise to the step of the setting of TD-SCDMA reselecting parameters:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, then Qsearch_I value 7 or 8; TDD_Qoffset value 8;
Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, Qsearch_I value 7 or 8 then; TDD_Qoffset value 7;
Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, Qsearch_I value 7 or 8 then; TDD_Qoffset value 6.
8. method according to claim 5 is characterized in that, described when the drive test signal in the default time period when measuring point decays to critical call drop point, carry out TD-SCDMA and specifically comprise to the step of the setting of 2G handoff parameter:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, then the TimeToTrigger value is the time delay lower limit, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit];
Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, then the TimeToTrigger value is the time delay intermediate value, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit];
Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, then the TimeToTrigger value is the time delay upper limit, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit]
Wherein, Fading_end_RSCP is critical call drop point field intensity; Back_time is the anti-time span that pushes away; Fading_start_RSCP has been the measuring point field intensity; Fading_time is the decline duration; Tused_upper_limit is the field intensity value of risk.
9. method according to claim 5 is characterized in that:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than the decline time limit that is exceedingly fast, and during turning thresholding＜α≤90 °, then in handoff parameter is provided with: the CIOother value is the individual character skew upper limit;
Or be lower than the rapid fading time limit from the duration that measuring point decays to critical call drop point when the drive test signal, and during turning thresholding＜α≤90 °, then in handoff parameter is provided with: the CIOother value is that individual character is offset lower limit.
10. method according to claim 5 is characterized in that, and is described when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, carries out TD-SCDMA and specifically comprises to the step of the setting of the reselecting parameters of 2G:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than weak covering interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, then Qrxlevmin value-103dBm; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds;
Or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and it is continuous and during greater than drive test number of spots thresholding to satisfy the drive test point of above-mentioned condition, then Qrxlevmin value-103dBm; Ssearch, RAT value 15dB; Qhysts value 2dB; Treselections value 1 second;
Maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, then Qrxlevmin, Ssearch, RAT, Qhysts, Treselections do not have value.
11. method according to claim 5 is characterized in that, and is described when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, carries out 2G and specifically comprises to the step of the setting of the reselecting parameters of TD-SCDMA:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than weak covering interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, then Qsearch_I value 7 or 8; TDD_Qoffset value 6;
Maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, reselecting parameters Qsearch_I, TDD_Qoffset do not have value.
12. method according to claim 5 is characterized in that, and is described when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, carries out TD-SCDMA and specifically comprises to the step of the setting of the handoff parameter of 2G:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than weak covering interference threshold, and the drive test point that satisfies above-mentioned condition is continuously and greater than drive test number of spots thresholding constantly, then the TimeToTrigger value is the time delay intermediate value;
Or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and it is continuous and during greater than drive test number of spots thresholding to satisfy the drive test point of above-mentioned condition, then the TimeToTrigger value is the time delay lower limit.
13. method according to claim 5, it is characterized in that, the described annoyance level that is subjected in the drive test signal surpasses when presetting interference value, the step of carrying out the setting of interoperability parameter specifically comprises: the annoyance level that is subjected in the drive test signal is gone up in limited time less than default the interference, or the annoyance level that is subjected in the drive test signal still disturbs down in limited time less than default greater than the default upper limit of disturbing, carry out the setting of interoperability parameter, describedly carry out being provided with specifically of interoperability parameter and comprise:
TD-SCDMA is provided with as follows to the reselecting parameters of 2G: Qrxlevmin, Ssearch, and RAT, Qhysts, Treselections do not have value;
Or 2G is provided with as follows to the TD-SCDMA cell reselection parameters: Qsearch_I, TDD_Qoffset are set to not have value.
14. the device of the different interoperability of system of wireless scene is characterized in that, comprising:
The drive test module is used to obtain the drive test signal in highway section to be optimized;
Parameter is provided with module, be used for when the drive test signal in the default time period when measuring point decays to critical call drop point, or when the drive test signal strength is lower than default field intensity value or covering and has surpassed automatic adaptive coverage, or when in the drive test signal be subjected to annoyance level to surpass default interference value the time, carry out the setting of interoperability parameter.
15. device according to claim 14 is characterized in that, described parameter is provided with module and comprises:
Decline scene setting submodule, be used for being lower than when being exceedingly fast decline in limited time when duration that the drive test signal decays to critical call drop point from measuring point, or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, carry out the setting of reselecting parameters and/or handoff parameter.
16. device according to claim 15 is characterized in that:
Described decline scene setting submodule also is used for getting a point in per sampling time, is designated as D1 (x 1, y 1), D2 (x 2, y 2) ..., Dn-1 (x N-1, y N-1), Dn (x n, y n);
Remember D1 and D2 respectively, D2 and D3 ..., D (n-1) is L1 with the Dn line segment, L2 ...,
Note L1 and x axle clamp angle are
Figure FSA00000092894700061
-90 °＜θ 1＜90 °,
L (n-1) with x axle clamp angle is
Figure FSA00000092894700062
-90 °＜θ N-1＜90 °,
α＝min(|θ n-1-θ 1|，(180-|θ n-1-θ 1|))；
If during turning thresholding＜α≤90 °, carry out the setting of interoperability parameter.
17. device according to claim 14 is characterized in that, described parameter is provided with module and comprises:
Cover unusual scene setting submodule, be used for working as the PCCPCH RSCP of drive test signal less than weak covering field intensity thresholding, PCCPCH C/I is less than weak covering interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, carry out the setting of reselecting parameters and/or handoff parameter.
18. according to each described device among the claim 15-17, it is characterized in that,
The interoperability parameter comprises reselecting parameters and/or handoff parameter, and described reselecting parameters comprises the reselecting parameters of 2G to the reselecting parameters of TD-SCDMA or TD-SCDMA to 2G:
TD-SCDMA comprises to the reselecting parameters of 2G: Qrxlevmin, Ssearch, RAT, Qhysts, Treselections;
Or described 2G comprises to the reselecting parameters of TD-SCDMA: Qsearch_I, TDD_Qoffset;
Or TD-SCDMA comprises to the handoff parameter of 2G: Tused, TimeToTrigger, TotherRAT, CIOother.
19. device according to claim 18 is characterized in that, in the described decline scene setting submodule:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, TD-SCDMA is provided with as follows to the 2G reselecting parameters: the Qrxlevmin value is-103dBm, Ssearch, and the RAT value is 15dB, the Qhysts value is 2dB, and the Treselections value is 1 second;
Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, TD-SCDMA is provided with as follows to the 2G reselecting parameters: Qrxlevmin value-103dBm; Ssearch, the RAT value is (6X+9*Fast_fading-15*Slow_fading)/(Fast_fading-Slow_fading) dB; The Qhysts value is 2dB; The Treselections value is X/ (Slow_fading-Fast_fading) second, and wherein X is decay time, and Fast_fading is the rapid fading time threshold, and Slow_fading is the time threshold that declines slowly;
Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, TD-SCDMA is provided with as follows to the 2G reselecting parameters: Qrxlevmin value-103dBm; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds.
20. device according to claim 18 is characterized in that, in the described decline scene setting submodule:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, and then 2G is provided with as follows to the TD-SCDMA cell reselection parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 8;
Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, then 2G is provided with as follows to the TD-SCDMA cell reselection parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 7;
Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, then 2G is provided with as follows to the TD-SCDMA cell reselection parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 6.
21. device according to claim 18 is characterized in that, in the described decline scene setting submodule:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than when being exceedingly fast decline in limited time, TD-SCDMA is provided with as follows to the 2G handoff parameter: the TimeToTrigger value is the time delay lower limit, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit];
Or the duration that decays to critical call drop point from measuring point when the drive test signal when being lower than rapid fading in limited time, TD-SCDMA is provided with as follows to the 2G handoff parameter: the TimeToTrigger value is the time delay intermediate value, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit];
Or the duration that decays to critical call drop point from measuring point when the drive test signal during greater than slow fading in limited time, TD-SCDMA is provided with as follows to the 2G handoff parameter: the TimeToTrigger value is the time delay upper limit, Tused=min[(Fading_end_RSCP+Back_time* (Fading_start_RSCP-Fading_end_RSCP)/fading_time), Tused_upper_limit]
Wherein, Fading_end_RSCP is critical call drop point field intensity; Back_time is the anti-time span that pushes away; Fading_start_RSCP has been the measuring point field intensity; Fading_time is the decline duration; Tused_upper_limit is the field intensity value of risk.
22. device according to claim 18 is characterized in that, in the described decline scene setting submodule:
The duration that decays to critical call drop point from measuring point when the drive test signal is lower than the decline time limit that is exceedingly fast, and during turning thresholding＜α≤90 °, then in handoff parameter is provided with: the CIOother value is the individual character skew upper limit;
Or be lower than the rapid fading time limit from the duration that measuring point decays to critical call drop point when the drive test signal, and during turning thresholding＜α≤90 °, then in handoff parameter is provided with: the CIOother value is that individual character is offset lower limit.
23. device according to claim 18 is characterized in that, in the unusual scene setting submodule of described covering:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than weak covering interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, and TD-SCDMA is provided with as follows to the 2G reselecting parameters: Qrxlevmin value-103dBm; Ssearch, RAT value 9dB; Qhysts value 2dB; Treselections value 2 seconds;
Or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, and TD-SCDMA is provided with as follows to the 2G reselecting parameters: Qrxlevmin value-103dBm; Ssearch, RAT value 15dB; Qhysts value 2dB; Treselections value 1 second;
Maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, TD-SCDMA is provided with as follows to the 2G reselecting parameters: Qrxlevmin, Ssearch, RAT, Qhysts, Treselections do not have and get.
24. device according to claim 18 is characterized in that, in the unusual scene setting submodule of described covering:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and it is continuous and during greater than drive test number of spots thresholding to satisfy the drive test point of above-mentioned condition; Or when the PCCPCH RSCP of drive test signal less than covering empty field intensity thresholding, PCCPCHC/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, and 2G is provided with as follows to the TD-SCDMA reselecting parameters: Qsearch_I value 7 or 8; TDD_Qoffset value 6;
Maybe when main Serving cell coverage surpass main Serving cell and Lin Qu farthest apart from the time, reselecting parameters Qsearch_I, TDD_Qoffset do not have value.
25. device according to claim 18 is characterized in that, in the unusual scene setting submodule of described covering:
When the PCCPCH of drive test signal RSCP less than weak covering field intensity thresholding, PCCPCH C/I is less than covering empty interference threshold, and the drive test point that satisfies above-mentioned condition is during continuously and greater than drive test number of spots thresholding, and TD-SCDMA is provided with as follows to the 2G handoff parameter: the TimeToTrigger value is the time delay intermediate value;
Or when the PCCPCH of drive test signal RSCP less than covering empty field intensity thresholding and PCCPCHC/I when covering the continuous highway section of empty interference threshold, TD-SCDMA is provided with as follows to the 2G handoff parameter: the TimeToTrigger value is the time delay lower limit.
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