CN103378874B - Multipath searching method and device - Google Patents
Multipath searching method and device Download PDFInfo
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- CN103378874B CN103378874B CN201210106681.0A CN201210106681A CN103378874B CN 103378874 B CN103378874 B CN 103378874B CN 201210106681 A CN201210106681 A CN 201210106681A CN 103378874 B CN103378874 B CN 103378874B
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Abstract
The invention discloses a multipath searching method. The method comprises the following steps: setting different priorities of various services; summarizing wide search window converting parameters that are employed in converting a wide search to a conventional search during service switching based on the different priorities; and according to current effective search resources and the wide search window converting parameters, dynamically adjusting current wide search windows of the different services. The invention further discloses a multipath searching device. Through defining the different priorities for the various services and summarizing multipath states of the various services, and under the condition that the current search resources are reduced or limited, the wide search windows of different services of various priorities are appropriately adjusted, so that guarantee of a wide search success rate of a high-priority service is achieved, influence, due to the limited resources, on high-priority switching performance is prevented, and user experience for the high-priority service is improved.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of multipath searching method and device.
Background technology
WCDMA (Wideband Code Division Multiple Access, WCDMA mobile communication system) there is multiple handoff technique, according to the frequency characteristic switching front and back, switching mode is divided into and switches and intersystem handover with switching frequently, alien frequencies.During switching, wireless connections are set up in mobile terminal synchronization and multiple community, and multi wireless links forms a link set and is called grand diversity.If under multiple community belongs to same base station, the switching namely in same community between different sector is referred to as More Soft Handoff; Otherwise be called soft handover, the switching between two the different sectors namely occurring in same frequency.Wherein, soft handover, while the continuity ensureing user's calling and the stability of a system, adds the antijamming capability of system.
When mobile subscriber makes a call, RRC (Radio Resource Control, wireless heterogeneous networks) in connection procedure, base station according to the leading multi-path location of Stochastic accessing demodulation, will be determined the center of gravity of uplink radio link Multipath searching and enables routine search.When soft handover, handover-target base station will start wide search, forward routine search to again after determining the center of gravity of uplink radio link Multipath searching.The setting of the up search window of the link that the More Soft Handoff of same base station increases, can copy the process that multi-path location information in cell-of-origin in Active Set accelerates Multipath searching, or enable wide search to object community, up search effective diameter time forward routine search to.
Due to the networking more complicated of wireless network, such as there is a large amount of RRU (Radio Remote Unit, Remote Radio Unit) zoom out station or repeater, for ensureing can to search effective multipath under various scene, generally to configure larger wide search window, cause the excessive consumption of hardware resource.And the situation of searching resource deficiency may appear in the heavy load community that user is many, switching proportion is high, cause handoff failure, seriously have impact on the performance of network and the experience of user.
Summary of the invention
Main purpose of the present invention is to provide a kind of multipath searching method and device, be intended to when searching resource is less or limited, the wide search window of each priority service of suitable adjustment, ensure the wide search success rate of high-priority service, avoid the performance of handoffs affecting high priority because of resource-constrained, promote the Consumer's Experience of high-priority service.
The invention provides a kind of multipath searching method, comprise the following steps:
Set the different priorities of all kinds of business;
According to described different priorities, when statistical service switches, proceeded to the wide search window conversion parameter of routine search by wide search;
According to current effective searching resource and described wide search window conversion parameter, the current wide search window of dynamic conditioning different business.
Preferably, described according to current effective searching resource and described wide search window conversion parameter, the step of the current wide search window of dynamic conditioning different business specifically comprises:
Judge that whether current effective searching resource is limited;
At current effective searching resource by limited time, according to the up multipath gravity centre distribution in described wide search window conversion parameter, the current wide search window of low priority traffice is adjusted to a position of the first up multipath center of gravity maximum, shrink the wide search window of high-priority service simultaneously; Described a be less than or equal to 1 positive number;
At current effective searching resource not by limited time, according to the current wide search window of current effective searching resource dynamic conditioning different business.
Preferably, described at current effective searching resource by limited time, the step of shrinking the wide search window of high-priority service specifically comprises:
Judge whether the wide search window of high-priority service can adjust;
If so, then the wide search window of described high-priority service is adjusted to the position of the second up multipath center of gravity maximum and preset protection section sum;
If not, then when switching times is higher than preset switching times threshold value, when judging that described high-priority service switches, whether wide search proceeds to the success rate of routine search lower than presetting to power threshold; If so, then in units of preset adjustment step-length, the wide search window of high-priority service is progressively increased until reach the maximum wide search window of described high-priority service and the position of preset adjustment step-length sum; If not, then the wide search window arranging high-priority service is the position of the second up multipath center of gravity maximum and preset protection section sum; And when described second up multipath center of gravity maximum and preset protection section sum are less than the difference of the first integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging high-priority service is the position of the difference of maximum wide search window and preset adjustment step-length first integral multiple.
Preferably, described at current effective searching resource not by limited time, the step according to the current wide search window of current effective searching resource dynamic conditioning different business specifically comprises:
When effective searching resource is greater than the first preset resource threshold value and is less than the second preset resource threshold value, the wide search window of high-priority service is set to maximum wide search window, simultaneously according to described wide search window conversion parameter, the wide search window of low priority traffice is set;
When effective searching resource is greater than the second preset resource threshold value, the wide search window of all kinds of business of different priorities is all set to maximum wide search window.
Preferably, described according to described wide search window conversion parameter, the step arranging the wide search window of low priority traffice specifically comprises:
When the switching times of low priority traffice is greater than preset switching times threshold value, judge that whether the wide search of described low priority traffice proceeds to the success rate of routine search lower than presetting to power threshold;
If so, then in units of preset adjustment step-length, the wide search window of low priority traffice is progressively increased until reach the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum;
If not, then the wide search window arranging low priority traffice is the position of the first up multipath center of gravity maximum and preset protection section sum; And when described first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging low priority traffice is the position of the difference of the second integral multiple of maximum wide search window and preset adjustment step-length.
Present invention also offers a kind of multipath searching device, comprising:
Priority level initializing module, for setting the different priorities of all kinds of business;
Parametric statistics module, for according to described different priorities, is proceeded to the wide search window conversion parameter of routine search by wide search when statistical service switches;
Dynamic conditioning module, for according to current effective searching resource and described wide search window conversion parameter, the current wide search window of dynamic conditioning different business.
Preferably, described dynamic conditioning module specifically comprises:
Whether efficient resource judges submodule, limited for judging current effective searching resource;
The limited submodule of efficient resource, for being subject in limited time at current effective searching resource, according to the up multipath gravity centre distribution in described wide search window conversion parameter, the current wide search window of low priority traffice is adjusted to a position of the first up multipath center of gravity maximum, shrink the wide search window of high-priority service simultaneously; Described a be less than or equal to 1 positive number;
The not limited submodule of efficient resource, for not being subject in limited time, according to the current wide search window of current effective searching resource dynamic conditioning different business at current effective searching resource.
Preferably, the limited submodule of described efficient resource specifically comprises:
High priority judging unit, for judging whether the wide search window of high-priority service can adjust;
High priority adjustment unit, for when the wide search window of high-priority service can adjust, adjusts to the position of the second up multipath center of gravity maximum and preset protection section sum by the wide search window of described high-priority service;
High priority setting unit, for when the wide search window of high-priority service cannot adjust, when switching times is higher than preset switching times threshold value, when judging that described high-priority service switches, whether wide search proceeds to the success rate of routine search lower than presetting to power threshold; If so, then in units of preset adjustment step-length, the wide search window of high-priority service is progressively increased until reach the maximum wide search window of described high-priority service and the position of preset adjustment step-length sum; If not, then the wide search window arranging high-priority service is the position of the second up multipath center of gravity maximum and preset protection section sum; And when described second up multipath center of gravity maximum and preset protection section sum are less than the difference of the first integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging high-priority service is the position of the difference of maximum wide search window and preset adjustment step-length first integral multiple.
Preferably, the not limited submodule of described efficient resource specifically comprises:
First not confined units, during for being greater than the first preset resource threshold value when effective searching resource and being less than the second preset resource threshold value, the wide search window of high-priority service is set to maximum wide search window, simultaneously according to described wide search window conversion parameter, the wide search window of low priority traffice is set;
Second not confined units, for when effective searching resource is greater than the second preset resource threshold value, is all set to maximum wide search window by the wide search window of all kinds of business of different priorities.
Preferably, described first not confined units specifically comprise:
Low priority judgment sub-unit, for when the switching times of low priority traffice is greater than preset switching times threshold value, judges that whether the wide search of described low priority traffice proceeds to the success rate of routine search lower than presetting to power threshold;
Low priority adjustment subelement, for proceeding to the success rate of routine search lower than when presetting to power threshold in the wide search of described low priority traffice, in units of preset adjustment step-length, progressively increase the wide search window of low priority traffice until reach the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum;
Low priority arranges subelement, when success rate for proceeding to routine search in the wide search of described low priority traffice is not less than and presets to power threshold, the wide search window arranging low priority traffice is the position of the first up multipath center of gravity maximum and preset protection section sum; And when described first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging low priority traffice is the position of the difference of the second integral multiple of maximum wide search window and preset adjustment step-length.
The present invention is by being the priority that all kinds of service definition is different, and add up the multipath conditions of miscellaneous service, in current search resource in less or restricted situation, the wide search window of each priority service of suitable adjustment, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Accompanying drawing explanation
Fig. 1 is multipath searching method first embodiment schematic flow sheet of the present invention;
Fig. 2 is the wide search beginning and ending time figure of multipath in multipath searching method of the present invention;
Fig. 3 is according to current effective searching resource and described wide search window conversion parameter in multipath searching method of the present invention, the current wide search window one embodiment schematic flow sheet of dynamic conditioning different business;
Fig. 4 is subject to, to shrink the wide search window one embodiment schematic flow sheet of high-priority service in limited time at current effective searching resource in multipath searching method of the present invention;
Fig. 5 is not subject in limited time, according to the current wide search window one embodiment schematic flow sheet of current effective searching resource dynamic conditioning different business at current effective searching resource in multipath searching method of the present invention;
Fig. 6 be in multipath searching method of the present invention according to described wide search window conversion parameter, the wide search window one embodiment schematic flow sheet of low priority traffice is set;
Fig. 7 is multipath searching device one example structure schematic diagram of the present invention;
Fig. 8 is dynamic conditioning module one example structure schematic diagram in multipath searching device of the present invention;
Fig. 9 is efficient resource limited submodule one example structure schematic diagram in multipath searching device of the present invention;
Figure 10 is efficient resource not limited submodule one example structure schematic diagram in multipath searching device of the present invention;
Figure 11 is the first not confined units one example structure schematic diagram in multipath searching device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Reference Fig. 1, Fig. 1 are multipath searching method first embodiment schematic flow sheets of the present invention.As shown in Figure 1, multipath searching method of the present invention comprises the following steps:
Step S01, set the different priorities of all kinds of business;
When community is set up, arranging community available search resource is 100%; The priority that all kinds of business is different is set; In a preferred embodiment, can using speech as high-priority service, grouped data is as low priority traffice.According to the different priorities of definition, the initial wide search window that when arranging soft handover and More Soft Handoff, business is suitable.In a preferred embodiment, maximum wide search window increases a preset protection section again on the initial wide search window basis corresponding to RNC (Radio NetworkController, radio network controller) allocating cell radius.
Step S02, according to described different priorities, when statistical service switches, to be proceeded to the wide search window conversion parameter of routine search by wide search;
According to described different priority, the wide search window used when respectively statistical service switches, and wide search window conversion parameter when proceeding to routine search by wide search, in a preferred embodiment, described wide search window conversion parameter when proceeding to routine search by wide search comprises: the first up multipath center of gravity (the up multipath center of gravity of low priority traffice), second up multipath center of gravity (the up multipath center of gravity of high-priority service), high priority switching times in nearest T time section, low priority switching times in nearest T time section, the wide search of high-priority service turns the routine search frequency of failure, the wide search of high-priority service turns routine search success rate, the wide search of low priority traffice turns the routine search frequency of failure, the wide search of low priority traffice turns routine search success rate etc.
Step S03, according to current effective searching resource and described wide search window conversion parameter, the current wide search window of dynamic conditioning different business.
When switching according to business, effective searching resource and described wide search window conversion parameter, the current wide search window of dynamic conditioning different business.Reference Fig. 2, Fig. 2 are the wide search beginning and ending time figure of multipath in multipath searching method of the present invention.When setting up according to community, the up search window of initial configuration is maximum wide search window, according to the different priorities of all kinds of business of setting, statistics searches effective diameter and proceeds to routine search multipath gravity centre distribution and wide search proceeds to the successful ratio of routine search, and in conjunction with the service condition of searching resource, dynamically arrange the wide search window of different business.When searching resource is less, shrink the wide search window of low priority traffice according to multipath center of gravity statistics; When searching resource is by limited time, then shrink the wide search window of high-priority service according to multipath center of gravity statistics, sacrificial section low priority traffice performance, shrinks the wide search window of low priority traffice by a certain percentage further simultaneously.
In a preferred embodiment, multipath searching method of the present invention may be used in WCDMA mobile communication system, may be used for the setting of the up multipath search window of grand diversity, the setting of also may be used for standing interior soft handover and the up multipath search window of the grand diversity of More Soft Handoff.
Multipath searching method of the present invention is by being the priority that all kinds of service definition is different, and add up the multipath conditions of miscellaneous service, in current search resource in less or restricted situation, the method of the wide search window of each priority service of suitable adjustment, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Reference Fig. 3, Fig. 3 are according to current effective searching resource and described wide search window conversion parameter in multipath searching method of the present invention, the current wide search window one embodiment schematic flow sheet of dynamic conditioning different business.As shown in Figure 3, in multipath searching method of the present invention, according to current effective searching resource and described wide search window conversion parameter, the step of the current wide search window of dynamic conditioning different business specifically comprises:
Step S11, judge that whether current effective searching resource is limited; If so, then step S12 is performed; If not, then step S13 is performed;
Current effective searching resource is the important evidence of the current wide search window of all kinds of business of dynamic conditioning.Therefore, when carrying out the current wide search window of dynamic conditioning different business, first to judge that whether current effective searching resource is limited.
Step S12, according to the up multipath gravity centre distribution in described wide search window conversion parameter, the current wide search window of low priority traffice is adjusted to a position of the first up multipath center of gravity maximum, adjust the wide search window of high-priority service simultaneously;
If current effective searching resource is constrained state, then sacrificial section low priority traffice performance, shrink the current wide search window of low priority traffice by a certain percentage further, as directly compressed the current wide search window of the low business of priority.Be specially, the current wide search window of low priority traffice be adjusted to a position of the first up multipath center of gravity maximum.In a preferred embodiment, described a be less than or equal to 1 positive number.Meanwhile, according to described wide search window conversion parameter, as the second up multipath center of gravity (high-priority service up multipath center of gravity) statistics shrinks the current wide search window of high-priority service.
Step S13, current wide search window according to current effective searching resource dynamic conditioning different business.
If current effective searching resource is not limited, then according to the concrete condition of current effective searching resource, the current wide search window of dynamic conditioning different business.As shunk the wide search window of low priority traffice according to multipath gravity centre distribution statistics, or when current effective searching resource is abundant, directly the wide search window of all kinds of business is set to initial wide search window, i.e. maximum wide search window.
Multipath searching method of the present invention passes through according to current effective searching resource and described wide search window conversion parameter, the method of the current wide search window of dynamic conditioning different business, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Prescribed a time limit at current effective searching resource in multipath searching method of the present invention with reference to Fig. 4, Fig. 4, shunk the wide search window one embodiment schematic flow sheet of high-priority service.As shown in Figure 4, in multipath searching method of the present invention, at current effective searching resource by limited time, the step of shrinking the wide search window of high-priority service specifically comprises:
Step S21, judge whether the wide search window of high-priority service can adjust; If so, then step S22 is performed; If not, then step S23 is performed;
The wide search window of step S22, described high-priority service adjusts to the position of the second up multipath center of gravity maximum and preset protection section sum;
At current effective searching resource by limited time, when adjusting the wide search window of high-priority service, judge whether the wide search window of high-priority service is in adjustable state; If the wide search window of current high-priority service can adjust, then the direct wide search window by described high-priority service adjusts to the position of the second up multipath center of gravity (the up multipath center of gravity of high-priority service) value and described preset protection section sum.
Step S23, when changing number of times higher than preset switching times threshold value, when judging that described high-priority service switches, whether wide search proceeds to the success rate of routine search lower than presetting to power threshold; If so, then step S24 is performed; If not, then step S25 is performed;
Step S24, preset adjustment step-length are unit, progressively increase the wide search window of high-priority service until reach the maximum wide search window of described high-priority service and the position of preset adjustment step-length sum;
When available effective searching resource is by limited time, if high priority switching times is greater than preset handoff threshold value, and the wide search window of high-priority service proceeds to routine search success rate when presetting to power threshold lower than high-priority service, in units of preset adjustment step-length, progressively increase the wide search window of high-priority service to the maximum wide search window of described high-priority service and the position of preset adjustment step-length sum.
Step S25, judge whether described second up multipath center of gravity maximum and preset protection section sum are less than the difference of the first integral multiple of maximum wide search window and preset adjustment step-length; If so, then step S26 is performed; If not, then step S27 is performed;
If at current available efficient resource by limited time, high priority switching times is greater than preset handoff threshold value, the wide search of high-priority service proceeds to the success rate of routine search higher than when presetting to power threshold, by poor for the first integral multiple of maximum wide search window and preset adjustment step-length, obtain the first difference; Described first difference and the second up multipath center of gravity (high-priority service up multipath center of gravity) maximum and preset protection section sum are made comparisons, judges whether described second up multipath center of gravity maximum and preset protection section sum are less than the first difference.
Step S26, the wide search window arranging high-priority service are the position of the difference of maximum wide search window and preset adjustment step-length first integral multiple;
If described second up multipath center of gravity maximum and preset protection section sum are less than the first difference, namely described second up multipath center of gravity maximum and preset protection section sum are less than the difference of the first integral multiple of maximum wide search window and preset adjustment step-length, then the wide search window of high-priority service is set to the position of the difference of maximum wide search window and preset adjustment step-length first integral multiple;
Step S27, the wide search window of described high-priority service is set to the position of the second up multipath center of gravity maximum and preset protection section sum.
If described second up multipath center of gravity maximum and preset protection section sum are more than or equal to the first difference; namely described second up multipath center of gravity maximum and preset protection section sum are more than or equal to the difference of the first integral multiple of maximum wide search window and preset adjustment step-length, then the wide search window of high-priority service is set to the position of the second up multipath center of gravity maximum and preset protection section sum.
Multipath searching method of the present invention is by being subject in limited time at effective searching resource, the method of the wide search window of adjustment high-priority service, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Do not prescribed a time limit, according to the current wide search window one embodiment schematic flow sheet of current effective searching resource dynamic conditioning different business at current effective searching resource in multipath searching method of the present invention with reference to Fig. 5, Fig. 5.As shown in Figure 5, in multipath searching method of the present invention, at current effective searching resource not by limited time, the step according to the current wide search window of current effective searching resource dynamic conditioning different business specifically comprises:
Step S31, judge whether current effective searching resource is greater than the second preset resource thresholding; If so, then step S32 is performed; If not, then step S33 is performed;
In a preferred embodiment, in order to meet the demand that all kinds of business switches, be provided with two class preset resource thresholdings, i.e. the first preset resource thresholding and the second preset resource thresholding, and described first preset resource threshold value is less than the second preset resource threshold value; In order to make the current wide search window of all kinds of business more accurate, the value arranging described first preset resource thresholding and the second preset resource thresholding is a span interval respectively, instead of an independent fixed value.
Step S32, the wide search window of all kinds of business of different priorities is all set to maximum wide search window;
If current effective searching resource is greater than the second preset resource thresholding, then represent that current effective searching resource is more, the wide search window of all kinds of business all can be set to maximum wide search window;
Step S33, the wide search window of high-priority service is set to maximum wide search window, simultaneously according to described wide search window conversion parameter, the wide search window of low priority traffice is set.
If current effective searching resource is greater than the first preset resource thresholding and is less than the second preset resource thresholding, then the wide search window of high-priority service is set to maximum wide search window, simultaneously according to the described wide search window conversion parameter of statistics, according to certain ratio, the wide search window of the business that compression priority is low.
Multipath searching method of the present invention is not by being subject in limited time at current effective searching resource, according to the method for the current wide search window of current effective searching resource dynamic conditioning different business, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
With reference to Fig. 6, Fig. 6 be in multipath searching method of the present invention according to described wide search window conversion parameter, the wide search window one embodiment schematic flow sheet of low priority traffice is set.As shown in Figure 6, in multipath searching method of the present invention, according to described wide search window conversion parameter, the step arranging the wide search window of low priority traffice specifically comprises:
Step S41, when the switching times of low priority traffice is greater than preset switching times threshold value, judge that whether the wide search of described low priority traffice proceeds to the success rate of routine search lower than presetting to power threshold; If so, then step S42 is performed; If not, then step S43 is performed;
Step S42, in units of preset adjustment step-length, progressively increase the wide search window of low priority traffice until reach the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum;
When the switching times of low priority traffice is greater than preset switching times threshold value, and the wide search of the low priority traffice success rate that proceeds to routine search is when being greater than the preset frequency of failure lower than the frequency of failure presetting to power threshold or the wide search of low priority traffice and proceed to routine search, in units of preset adjustment step-length, progressively increase the wide search window of low priority traffice to the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum.
Step S43, judge whether described first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length; If so, then step S44 is performed; If not, then step S45 is performed;
When the switching times of low priority traffice is greater than preset switching times threshold value; when the success rate that the wide search of priority service proceeds to routine search is less than the preset frequency of failure higher than the frequency of failure presetting to power threshold or the wide search of low priority traffice and proceed to routine search; by poor for the second integral multiple of maximum wide search window and preset adjustment step-length; obtain the second difference, judge whether described first up multipath center of gravity (low priority traffice up multipath center of gravity) maximum and preset protection section sum are less than described second difference.
Step S44, the wide search window arranging low priority traffice are the position of the difference of the second integral multiple of maximum wide search window and preset adjustment step-length;
If described first up multipath center of gravity (low priority traffice up multipath center of gravity) maximum and preset protection section sum are less than described second difference; namely the first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, then the wide search window arranging low priority traffice is the position of the difference of the second integral multiple of maximum wide search window and preset adjustment step-length.
Step S45, the wide search window arranging low priority traffice are the position of the first up multipath center of gravity maximum and preset protection section sum.
If described first up multipath center of gravity (low priority traffice up multipath center of gravity) maximum and preset protection section sum are greater than described second difference; namely the first up multipath center of gravity maximum and preset protection section sum are greater than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, then the wide search window arranging low priority traffice is the position of the first up multipath center of gravity maximum and preset protection section sum.
Multipath searching method of the present invention passes through according to described wide search window conversion parameter, the method of the wide search window of low priority traffice is set, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Reference Fig. 7, Fig. 7 are multipath searching device one example structure schematic diagrames of the present invention.As shown in Figure 7, multipath searching device of the present invention comprises:
Priority level initializing module 01, for setting the different priorities of all kinds of business;
When community is set up, it is 100% that priority level initializing module 01 arranges community available search resource; Priority level initializing module 01 arranges the different priority of all kinds of business; In a preferred embodiment, priority level initializing module 01 can using speech as high-priority service, and grouped data is as low priority traffice.According to the different priorities that priority level initializing module 01 defines, the initial wide search window that when arranging soft handover and More Soft Handoff, business is suitable.In a preferred embodiment, maximum wide search window increases a preset protection section again on the initial wide search window basis corresponding to RNC (Radio NetworkController, radio network controller) allocating cell radius.
Parametric statistics module 02, for according to described different priorities, is proceeded to the wide search window conversion parameter of routine search by wide search when statistical service switches;
According to described different priority, the wide search window that parametric statistics module 02 uses when respectively statistical service switches, and wide search window conversion parameter when proceeding to routine search by wide search, in a preferred embodiment, described wide search window conversion parameter when proceeding to routine search by wide search comprises: the first up multipath center of gravity (the up multipath center of gravity of low priority traffice), second up multipath center of gravity (the up multipath center of gravity of high-priority service), high priority switching times in nearest T time section, low priority switching times in nearest T time section, the wide search of high-priority service turns the routine search frequency of failure, the wide search of high-priority service turns routine search success rate, the wide search of low priority traffice turns the routine search frequency of failure, the wide search of low priority traffice turns routine search success rate etc.
Dynamic conditioning module 03, for according to current effective searching resource and described wide search window conversion parameter, the current wide search window of dynamic conditioning different business.
Dynamic conditioning module 03 is effective searching resource and described wide search window conversion parameter when switching according to business, the current wide search window of dynamic conditioning different business.When setting up according to community, the up search window of initial configuration is maximum wide search window, according to the different priorities of all kinds of business of setting, dynamic conditioning module 03 statistics searches effective diameter and proceeds to routine search multipath gravity centre distribution and wide search proceeds to the successful ratio of routine search, and in conjunction with the service condition of searching resource, dynamically arrange the wide search window of different business.When searching resource is less, dynamic conditioning module 03 shrinks the wide search window of low priority traffice according to multipath center of gravity statistics; When searching resource is by limited time, dynamic conditioning module 03 shrinks the wide search window of high-priority service again according to multipath center of gravity statistics, sacrificial section low priority traffice performance, shrinks the wide search window of low priority traffice by a certain percentage further simultaneously.
In a preferred embodiment, multipath searching device of the present invention may be used in WCDMA mobile communication system, may be used for the setting of the up multipath search window of grand diversity, the setting of also may be used for standing interior soft handover and the up multipath search window of the grand diversity of More Soft Handoff.
Multipath searching device of the present invention is by being the priority that all kinds of service definition is different, and add up the multipath conditions of miscellaneous service, at searching resource in less or restricted situation, the method of the wide search window of each priority service of suitable adjustment, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Reference Fig. 8, Fig. 8 are dynamic conditioning module one example structure schematic diagrames in multipath searching device of the present invention.As shown in Figure 8, in multipath searching device of the present invention, dynamic conditioning module 03 specifically comprises:
Whether efficient resource judges submodule 031, limited for judging current effective searching resource;
Current effective searching resource is the important evidence of the current wide search window of all kinds of business of dynamic conditioning.Therefore, when carrying out the current wide search window of dynamic conditioning different business, efficient resource judges that first submodule 031 will judge that whether current effective searching resource is limited.
The limited submodule 032 of efficient resource, for being subject in limited time at current effective searching resource, according to the up multipath gravity centre distribution in described wide search window conversion parameter, the current wide search window of low priority traffice is adjusted to a position of the first up multipath center of gravity maximum, shrink the wide search window of high-priority service simultaneously; Described a be less than or equal to 1 positive number;
If current effective searching resource is constrained state, efficient resource limited submodule 032 sacrificial section low priority traffice performance, shrink the current wide search window of low priority traffice by a certain percentage further, as directly compressed the current wide search window of the low business of priority.Be specially, the current wide search window of low priority traffice is adjusted to a position of the first up multipath center of gravity maximum by the limited submodule of efficient resource 032.In a preferred embodiment, described a be less than or equal to 1 positive number.Meanwhile, the limited submodule of efficient resource 032 according to described wide search window conversion parameter, as the second up multipath center of gravity (high-priority service up multipath center of gravity) statistics shrinks the current wide search window of high-priority service.
The not limited submodule 033 of efficient resource, for not being subject in limited time, according to the current wide search window of current effective searching resource dynamic conditioning different business at current effective searching resource.
If current effective searching resource is not limited, then the not limited submodule 033 of efficient resource is according to the concrete condition of current effective searching resource, the current wide search window of dynamic conditioning different business.Submodule 033 as not limited in efficient resource shrinks the wide search window of low priority traffice according to multipath gravity centre distribution statistics, or when current effective searching resource is abundant, the wide search window of all kinds of business is directly set to initial wide search window by the not limited submodule 033 of efficient resource, i.e. maximum wide search window.
Multipath searching device of the present invention is passed through according to effective searching resource and described wide search window conversion parameter, the method of the current wide search window of dynamic conditioning different business, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Reference Fig. 9, Fig. 9 are efficient resource limited submodule one example structure schematic diagrames in multipath searching device of the present invention.As shown in Figure 9, in multipath searching device of the present invention, the limited submodule 032 of efficient resource specifically comprises:
High priority judging unit 321, for judging whether the wide search window of high-priority service can adjust;
At current effective searching resource by limited time, before the wide search window of adjustment high-priority service, high priority judging unit 321 will judge whether the wide search window of high-priority service is in adjustable state.
High priority adjustment unit 322, for when the wide search window of high-priority service can adjust, adjusts to the position of the second up multipath center of gravity maximum and preset protection section sum by the wide search window of described high-priority service;
If the wide search window of current high-priority service can adjust, then the wide search window of described high-priority service is directly adjusted to the position of the second up multipath center of gravity (the up multipath center of gravity of high-priority service) value and described preset protection section sum by high priority adjustment unit 322.
High priority setting unit 323, for when the wide search window of high-priority service cannot adjust, when switching times is higher than preset switching times threshold value, when judging that described high-priority service switches, whether wide search proceeds to the success rate of routine search lower than presetting to power threshold;
If described wide search proceeds to the success rate of routine search lower than preset successful threshold value, then in units of preset adjustment step-length, progressively increase the wide search window of high-priority service until reach the maximum wide search window of described high-priority service and the position of preset adjustment step-length sum;
If the success rate that described wide search proceeds to routine search is not less than preset successful threshold value, then the wide search window arranging high-priority service is the position of the second up multipath center of gravity maximum and preset protection section sum; And when described second up multipath center of gravity maximum and preset protection section sum are less than the difference of the first integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging high-priority service is the position of the difference of maximum wide search window and preset adjustment step-length first integral multiple.
Multipath searching device of the present invention is by being subject in limited time at effective searching resource, the method of the wide search window of adjustment high-priority service, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
Reference Figure 10, Figure 10 are efficient resource not limited submodule one example structure schematic diagrames in multipath searching device of the present invention.As shown in Figure 10, in multipath searching device of the present invention, the not limited submodule 033 of efficient resource specifically comprises:
First not confined units 331, during for being greater than the first preset resource threshold value when effective searching resource and being less than the second preset resource threshold value, the wide search window of high-priority service is set to maximum wide search window, simultaneously according to described wide search window conversion parameter, the wide search window of low priority traffice is set;
In a preferred embodiment, in order to meet the demand that all kinds of business switches, be provided with two class preset resource thresholdings, i.e. the first preset resource thresholding and the second preset resource thresholding, and described first preset resource threshold value is less than the second preset resource threshold value; In order to make the current wide search window of all kinds of business more accurate, the value arranging described first preset resource thresholding and the second preset resource thresholding is a span interval respectively, instead of an independent fixed value.If current effective searching resource is greater than the first preset resource thresholding and is less than the second preset resource thresholding, then first not confined units 331 the wide search window of high-priority service is set to maximum wide search window, simultaneously according to the described wide search window conversion parameter of statistics, according to certain ratio, the wide search window of the business that compression priority is low.
Second not confined units 332, for when effective searching resource is greater than the second preset resource threshold value, is all set to maximum wide search window by the wide search window of all kinds of business of different priorities.
If current effective searching resource is greater than the second preset resource thresholding, then represent that current effective searching resource is more, second not confined units 332 the wide search window of all kinds of business all can be set to maximum wide search window;
Multipath searching device of the present invention is not by being subject in limited time at effective searching resource, according to the method for the current wide search window of current effective searching resource dynamic conditioning different business, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
The first not confined units one example structure schematic diagram in multipath searching device of the present invention with reference to Figure 11, Figure 11.As shown in figure 11, in multipath searching device of the present invention, first not confined units 331 specifically comprise:
Low priority judgment sub-unit 11, for when the switching times of low priority traffice is greater than preset switching times threshold value, judges that whether the wide search of described low priority traffice proceeds to the success rate of routine search lower than presetting to power threshold;
When the switching times of low priority traffice is greater than preset switching times threshold value, low priority judgment sub-unit 11 judges that whether the wide search of described low priority traffice proceeds to the success rate of routine search lower than presetting to power threshold;
Low priority adjustment subelement 12, for proceeding to the success rate of routine search lower than when presetting to power threshold in the wide search of described low priority traffice, in units of preset adjustment step-length, progressively increase the wide search window of low priority traffice until reach the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum;
When the switching times of low priority traffice is greater than preset switching times threshold value, and low priority judgment sub-unit 11 is when judging that success rate that the wide search of low priority traffice proceeds to routine search is greater than the preset frequency of failure lower than the frequency of failure presetting to power threshold or the wide search of low priority traffice and proceed to routine search, low priority adjustment subelement 12, in units of preset adjustment step-length, progressively increases the wide search window of low priority traffice to the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum.
Low priority arranges subelement 13, when success rate for proceeding to routine search in the wide search of described low priority traffice is not less than and presets to power threshold, the wide search window arranging low priority traffice is the position of the first up multipath center of gravity maximum and preset protection section sum; And when described first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging low priority traffice is the position of the difference of the second integral multiple of maximum wide search window and preset adjustment step-length.
When the switching times of low priority traffice is greater than preset switching times threshold value, when low priority judgment sub-unit 11 judges that success rate that the wide search of priority service proceeds to routine search is less than the preset frequency of failure higher than the frequency of failure presetting to power threshold or the wide search of low priority traffice and proceed to routine search, low priority arranges subelement 13 by poor for the second integral multiple of maximum wide search window and preset adjustment step-length, obtain the second difference, judge whether described first up multipath center of gravity (low priority traffice up multipath center of gravity) maximum and preset protection section sum are less than described second difference.If described first up multipath center of gravity (low priority traffice up multipath center of gravity) maximum and preset protection section sum are less than described second difference; namely the first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, and low priority arranges the position that wide search window that subelement 13 arranges low priority traffice is the difference of the second integral multiple of maximum wide search window and preset adjustment step-length.If described first up multipath center of gravity (low priority traffice up multipath center of gravity) maximum and preset protection section sum are greater than described second difference; namely the first up multipath center of gravity maximum and preset protection section sum are greater than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, and low priority arranges the position that wide search window that subelement 13 arranges low priority traffice is the first up multipath center of gravity maximum and preset protection section sum.
Multipath searching device of the present invention is passed through according to described wide search window conversion parameter, the method of the wide search window of low priority traffice is set, achieve the wide search success rate ensureing high-priority service, the beneficial effect avoiding affecting because of resource-constrained high priority performance of handoffs, improve the Consumer's Experience of high-priority service.
The foregoing is only the preferred embodiments of the present invention; not thereby its scope of the claims is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a multipath searching method, is characterized in that, comprises the following steps:
Set the different priorities of all kinds of business;
According to described different priorities, when statistical service switches, proceeded to the wide search window conversion parameter of routine search by wide search;
According to current effective searching resource and described wide search window conversion parameter, the current wide search window of dynamic conditioning different business;
Described according to current effective searching resource and described wide search window conversion parameter, the step of the current wide search window of dynamic conditioning different business specifically comprises:
Judge that whether current effective searching resource is limited;
At current effective searching resource by limited time, according to the up multipath gravity centre distribution in described wide search window conversion parameter, the current wide search window of low priority traffice is adjusted to a position of the first up multipath center of gravity maximum, shrink the wide search window of high-priority service simultaneously; Described a be less than or equal to 1 positive number;
At current effective searching resource not by limited time, according to the current wide search window of current effective searching resource dynamic conditioning different business.
2. multipath searching method according to claim 1, is characterized in that, described at current effective searching resource by limited time, the step of shrinking the wide search window of high-priority service specifically comprises:
Judge whether the wide search window of high-priority service can adjust;
If so, then the wide search window of described high-priority service is adjusted to the position of the second up multipath center of gravity maximum and preset protection section sum;
If not, then when switching times is higher than preset switching times threshold value, when judging that described high-priority service switches, whether wide search proceeds to the success rate of routine search lower than presetting to power threshold; If so, then in units of preset adjustment step-length, the wide search window of high-priority service is progressively increased until reach the maximum wide search window of described high-priority service and the position of preset adjustment step-length sum; If not, then the wide search window arranging high-priority service is the position of the second up multipath center of gravity maximum and preset protection section sum; And when described second up multipath center of gravity maximum and preset protection section sum are less than the difference of the first integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging high-priority service is the position of the difference of maximum wide search window and preset adjustment step-length first integral multiple.
3. multipath searching method according to claim 1, is characterized in that, described at current effective searching resource not by limited time, the step according to the current wide search window of current effective searching resource dynamic conditioning different business specifically comprises:
When effective searching resource is greater than the first preset resource threshold value and is less than the second preset resource threshold value, the wide search window of high-priority service is set to maximum wide search window, simultaneously according to described wide search window conversion parameter, the wide search window of low priority traffice is set;
When effective searching resource is greater than the second preset resource threshold value, the wide search window of all kinds of business of different priorities is all set to maximum wide search window.
4. the multipath searching method according to claim 1 or 3, is characterized in that, described according to described wide search window conversion parameter, the step arranging the wide search window of low priority traffice specifically comprises:
When the switching times of low priority traffice is greater than preset switching times threshold value, judge that whether the wide search of described low priority traffice proceeds to the success rate of routine search lower than presetting to power threshold;
If so, then in units of preset adjustment step-length, the wide search window of low priority traffice is progressively increased until reach the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum;
If not, then the wide search window arranging low priority traffice is the position of the first up multipath center of gravity maximum and preset protection section sum; And when described first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging low priority traffice is the position of the difference of the second integral multiple of maximum wide search window and preset adjustment step-length.
5. a multipath searching device, is characterized in that, comprising:
Priority level initializing module, for setting the different priorities of all kinds of business;
Parametric statistics module, for according to described different priorities, is proceeded to the wide search window conversion parameter of routine search by wide search when statistical service switches;
Dynamic conditioning module, for according to current effective searching resource and described wide search window conversion parameter, the current wide search window of dynamic conditioning different business;
Described dynamic conditioning module specifically comprises:
Whether efficient resource judges submodule, limited for judging current effective searching resource;
The limited submodule of efficient resource, for being subject in limited time at current effective searching resource, according to the up multipath gravity centre distribution in described wide search window conversion parameter, the current wide search window of low priority traffice is adjusted to a position of the first up multipath center of gravity maximum, shrink the wide search window of high-priority service simultaneously; Described a be less than or equal to 1 positive number;
The not limited submodule of efficient resource, for not being subject in limited time, according to the current wide search window of current effective searching resource dynamic conditioning different business at current effective searching resource.
6. multipath searching device according to claim 5, is characterized in that, the limited submodule of described efficient resource specifically comprises:
High priority judging unit, for judging whether the wide search window of high-priority service can adjust;
High priority adjustment unit, for when the wide search window of high-priority service can adjust, adjusts to the position of the second up multipath center of gravity maximum and preset protection section sum by the wide search window of described high-priority service;
High priority setting unit, for when the wide search window of high-priority service cannot adjust, when switching times is higher than preset switching times threshold value, when judging that described high-priority service switches, whether wide search proceeds to the success rate of routine search lower than presetting to power threshold; If so, then in units of preset adjustment step-length, the wide search window of high-priority service is progressively increased until reach the maximum wide search window of described high-priority service and the position of preset adjustment step-length sum; If not, then the wide search window arranging high-priority service is the position of the second up multipath center of gravity maximum and preset protection section sum; And when described second up multipath center of gravity maximum and preset protection section sum are less than the difference of the first integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging high-priority service is the position of the difference of maximum wide search window and preset adjustment step-length first integral multiple.
7. multipath searching device according to claim 5, is characterized in that, the not limited submodule of described efficient resource specifically comprises:
First not confined units, during for being greater than the first preset resource threshold value when effective searching resource and being less than the second preset resource threshold value, the wide search window of high-priority service is set to maximum wide search window, simultaneously according to described wide search window conversion parameter, the wide search window of low priority traffice is set;
Second not confined units, for when effective searching resource is greater than the second preset resource threshold value, is all set to maximum wide search window by the wide search window of all kinds of business of different priorities.
8. the multipath searching device according to claim 5 or 7, is characterized in that, described first not confined units specifically comprise:
Low priority judgment sub-unit, for when the switching times of low priority traffice is greater than preset switching times threshold value, judges that whether the wide search of described low priority traffice proceeds to the success rate of routine search lower than presetting to power threshold;
Low priority adjustment subelement, for proceeding to the success rate of routine search lower than when presetting to power threshold in the wide search of described low priority traffice, in units of preset adjustment step-length, progressively increase the wide search window of low priority traffice until reach the maximum wide search window of described low priority traffice and the position of preset adjustment step-length sum;
Low priority arranges subelement, when success rate for proceeding to routine search in the wide search of described low priority traffice is not less than and presets to power threshold, the wide search window arranging low priority traffice is the position of the first up multipath center of gravity maximum and preset protection section sum; And when described first up multipath center of gravity maximum and preset protection section sum are less than the difference of the second integral multiple of maximum wide search window and preset adjustment step-length, the wide search window arranging low priority traffice is the position of the difference of the second integral multiple of maximum wide search window and preset adjustment step-length.
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| CN1976249B (en) * | 2005-11-30 | 2011-03-16 | 中兴通讯股份有限公司 | Method for determining whether or not regulating to multipath search window |
| CN100555894C (en) * | 2006-10-11 | 2009-10-28 | 中兴通讯股份有限公司 | Multipath searching method in a kind of cdma system and device |
| CN101741422B (en) * | 2009-12-30 | 2013-05-08 | 中兴通讯股份有限公司 | Multipath searching method in code division multiple access system and device thereof |
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