CN102970693A - Standalone dedicated control channel (SDCCH) automatic configuration adjustment method based on traffic system - Google Patents
Standalone dedicated control channel (SDCCH) automatic configuration adjustment method based on traffic system Download PDFInfo
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Abstract
The invention provides a SDCCH automatic configuration adjustment method based on a traffic system. Configuration strategies are dynamically adjusted according to conditions of number ratios of converting a real-time traffic channel (TCH) into an SDCCH and SDCCH occupation conditions, special scenes of traffic statistics and real-time number ratios of converting the TCH into the SDCCH and the SDCCH occupation conditions and the time of converting the TCH into the SDCCH to be 0 in a certain period. According to the method, parameter judgment is simplified, a time-based capacity adjustment allocation strategy is made rapidly and effectively to changes in network capacities, the network bearing capacity can be improved, network potentials can be excavated, and the network performance is improved.
Description
Technical field
The present invention relates to a kind of automatic configuration regulating method of SDCCH based on the traffic system, belong to the mobile communication technology field.
Background technology
On the air interface of GSM network, transmit bulk information.We have defined different logic channels according to the information category of channel bearing, and in the process of transmission of information, logic channel will be placed on a physical channel.Separate Dedicated Control Channel SDCCH is a considerable control channel in all logic channels.Its Main Function is to assign Traffic Channel TCH front transfer system information, as: subscription authentication, user's registration message and position are upgraded and are called out the relevant signaling etc. that continues.The channel of another outbalance is Traffic Channel TCH/PDCH channel, and its Main Function is carrying CS/PS business, and the business that the user asks is achieved.If the information of transmitting on the SDCCH channel can not have abundant TCH to carry, very easily cause the congested or call drop of SDCCH channel, cause the service that the user asks not set up; If the information of transmitting on the SDCCH channel just only need the minority TCH channel of current configuration can realize the business that the user asks, will cause the idle and waste of Internet resources.Therefore, in a residential quarter, how reasonably to select the physical channel of some to transmit signaling as the SDCCH channel, determine the optimal proportion of SDCCH channel and TCH channel, be the pith in the network optimization always.
In existing gsm communication network, most equipment are supported the SDCCH Dynamic Reconfiguration, and realize the conversion of traffic busy TCH and SDCCH by this technology, but at first its prerequisite is the TRX number according to network element configuration distributes enough SDCCH channels, the mode of according to how many employings of bearer service in the residential quarter manually adjusting afterwards, channel type to the traffic busy is adjusted, and provides carrier to realize the increase capacity as more business.In reply bursts of traffic, SDCCH configurable number redundancy, the reasons such as certain hysteresis quality are arranged, cause the whole TCH of existing network to be converted to SDCCH digit rate lower, every line telephone traffic and also lower without line use ratio.
Particularly, the SDCCH dynamic assignment can dynamically be adjusted the capacity of SDCCH, reduces the generation of SDCCH channel congestion, reduces SDCCH channel initial configuration to the impact of systematic function, increases power system capacity.This function mainly comprises: TCH is to the dynamic assignment of SDCCH channel, and SDCCH is to the recovery of TCH channel.Utilize dynamic allocation algorithm, determine whether carrying out dynamic assignment according to input parameter.If at a time the SDCCH channel of residential quarter is busy, the idle SDCCH number of channel is attempted seeking available TCH and is converted the SDCCH channel to during less than or equal to set point.Initiate the flow path switch of TCH to SDCCH, except the idle SDCCH number of channel is less than or equal to idle SDCCH channel thresholding N1, also will satisfy simultaneously two conditions:
The one, the TCH number of channel of current free time of residential quarter is greater than 4 or greater than the TRX number;
The 2nd, the current SDCCH number of channel in residential quarter is less than the maximum number MaxSDCCH that allows.
Become the SDCCH channel according to the TCH channel switch that arranges the free time accordingly if satisfy condition.Spent a period of time, if the SDCCH channel ratio of residential quarter is more idle, BSC reverts to the TCH channel with the SDCCH channel of dynamic assignment.
So at first, to be set to dynamically by TCH, mainly follow following rule in assigning process:
First distribute fixed channel, the reallocation dynamic channel; First distribute high priority channel, the reallocation low priority channel; The PS available time slot is continuously maximum; The CS territory is better than the PS territory.
The shortcoming of its existence also is embodied in for the particular field special circumstances, adjusts and inapplicable according to idle channel thresholding N1, easily causes the hysteresis quality adjusted and the fluctuation of effect.
In order to understand better the present invention, the Chinese and English of following this area generic term and english abbreviation thereof also will be included in background technology of the present invention:
SDCCH Standalone Dedicated Control Channel independence dedicated channel
GSM Global System for Mobile communication global system for mobile communications
GPRS General Packet Radio Service general packet radio service
TCH Traffic Channel Traffic Channel
TRX Transceiver Transmit-Receive Unit/carrier frequency
BSC Base Station Controller base station controller
CS Circuit Switch circuit switching/speech business
PS Packet Switch packet switching/data service
TBF Temporary Block Flow flows piece temporarily.
Summary of the invention
In order to solve technical problem of the prior art, improve wireless resource utility efficiency and reduce redundancy SDCCH channel, the invention provides the technical scheme that realizes automatically configuring based on the SDCCH of traffic measurement adjustment, being converted to SDCCH digit rate and SDCCH according to real-time TCH takies situation and carries out dynamic configuration and adjust, be that the TCH channel is to satisfy traffic demand and data traffic requirement with the SDCCH channel configuration of idle redundancy, excavate the network latent capacity, improve network performance.
Particularly, the invention provides a kind of automatic configuration regulating method of SDCCH based on the traffic system, comprise the following steps step 1: carry out the collection of granularity traffic for a special time period; Step 2: whether judge TCH turns SDCCH in this special time period number of times greater than zero, if, carry out step 3, if not, carry out step 4; Step 3: idle SDCCH channel gate limit value N1, residential quarter SDCCH channel maximum number CELLMAXSD and TCH recovery shortest time MINRESTIMETCH are carried out the step-length adjustment; Simultaneously, judge that in the N continuous sky, whether the TCH in this special time period turns the number of times of SDCCH greater than zero, if the TCH with the free time is configured to the SDCCH channel; Step 4: the TCH that judges continuous two periods turns whether SDCCH number is zero, if not, does not adjust.
One preferred embodiment in, described special time period is 1 hour, described N continuous sky is for for three days on end; Described continuous two periods are continuous two hours; The described method that idle SDCCH channel gate limit value N1 is adjusted is: idle SDCCH channel gate limit value N1 is increased by 2 step-lengths; Describedly residential quarter SDCCH channel maximum number CELLMAXSD is carried out the method that step-length adjusts be: residential quarter SDCCH channel maximum number CELLMAXSD is increased by 10; Describedly TCH is recovered shortest time MINRESTIMETCH carry out the method that step-length adjusts and be: TCH is recovered shortest time MINRESTIMETCH increases by 60 seconds.
In described step 4, judge that the TCH of continuous two periods turns whether SDCCH number is zero, if:
Idle SDCCH channel gate limit value N1 is reduced by 2 step-lengths, and wherein, the adjusting range of idle SDCCH channel gate limit value step-length is [2,8]; Residential quarter SDCCH channel maximum number CELLMAXSD is reduced 10; TCH is recovered shortest time MINRESTIMETCH reduce 60 seconds.
Preferably, the adjusting range of described idle SDCCH channel gate limit value step-length is [2,8]; The adjusting range of described residential quarter SDCCH channel maximum number CELLMAXSD is [80,240]; The adjusting range that described TCH recovers shortest time MINRESTIMETCH is [60,600].
The TCH that judges continuous two periods in described step turns whether SDCCH number is zero, if carry out following steps:
Step 4-1: judge that continuous one all TCH turn whether SDCCH number is zero, if not, do not adjust; If carry out step 4-2;
Step 4-2: the quantity of judgement Transmit-Receive Unit/carrier frequency TRX, and according to the quantity of TRX, the SDCCH of free time is configured to the TCH channel.
More preferably, in described step 4-2, if whether 1＜=TRX＜=4 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-1-2; If, execution in step 4-2-1-1: judge all every line telephone traffics〉whether 0.5erl and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-1-2, if further whether judge all idle SDCCH numbers greater than 12, if not execution in step 4-2-1-2, if the SDCCH with the free time is configured to the TCH channel; The primary channel configurable number that described K value is the residential quarter; Step 4-2-1-2: do not adjust.
On the other hand, in described step 4-2, if whether 5＜=TRX＜=8 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-2-2; If, execution in step 4-2-2-1: judge all every line telephone traffics〉whether 0.7erl and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-2-2, if further whether judge all idle SDCCH numbers greater than 20, if not execution in step 4-2-2-2, if the SDCCH with the free time is configured to the TCH channel; The primary channel configurable number that described K value is the residential quarter; Step 4-2-2-2: do not adjust.
In addition, in described step 4-2, if whether 9＜=TRX＜=12 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-3-2; If, execution in step 4-2-3-1: judge all every line telephone traffics〉whether 0.8erl and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-2-2, if further whether judge all idle SDCCH numbers greater than 28, if not execution in step 4-2-3-2, if the SDCCH with the free time is configured to the TCH channel; The primary channel configurable number that described K value is the residential quarter; Step 4-2-3-2: do not adjust.
Alternatively, before the TCH with the free time was configured to the SDCCH channel, first query modification channel occupancy state was configured conversion again under channel and the complete idle condition of subchannel.
The present invention has simplified the parameter judgement, the variation that network capacity is occurred comparatively effective and rapidly, make and have more ageing capacity adjustment collocation strategy, can promote network carrying ability and excavate the network potentiality, improve network performance, more pay attention to solve the SDCCH allocation plan under different situations, increase the adaptibility to response of bursts of traffic and reduce hysteresis quality and the fluctuation that Traditional Man is revised configuration, improved wireless resource utility efficiency and reduced redundancy SDCCH channel.
Description of drawings
The invention will be further described below in conjunction with embodiment and accompanying drawing thereof.
Fig. 1 is the invention process steps flow chart schematic diagram.
Fig. 2 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 2 o'clock.
Fig. 3 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 3 o'clock.
Fig. 4 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 4 o'clock.
Fig. 5 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 5 o'clock.
Fig. 6 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 6 o'clock.
Fig. 7 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 7 o'clock.
Fig. 8 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 8 o'clock.
Fig. 9 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 9 o'clock.
Figure 10 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 10 o'clock.
Figure 11 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 11 o'clock.
Figure 12 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 12 o'clock.
Figure 13 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 16 o'clock.
Embodiment
The invention will be further described below in conjunction with Figure of description.
Referring to accompanying drawing 1, in the first execution mode of the present invention, the invention provides a kind of automatic configuration regulating method of SDCCH based on the traffic system, comprise the following steps step 1: carry out the collection of granularity traffic for a special time period; Step 2: whether judge TCH turns SDCCH in this special time period number of times greater than zero, if, carry out step 3, if not, carry out step 4; Step 3: idle SDCCH channel gate limit value N1, residential quarter SDCCH channel maximum number CELLMAXSD and TCH recovery shortest time MINRESTIMETCH are carried out the step-length adjustment; Simultaneously, judge that in the N continuous sky, whether the TCH in this special time period turns the number of times of SDCCH greater than zero, if the TCH with the free time is configured to the SDCCH channel; Step 4: the TCH that judges continuous two periods turns whether SDCCH number is zero, if not, does not adjust.
Preferably, described special time period is 1 hour, and described N continuous sky is for for three days on end; Described continuous two periods are continuous two hours.A more progressive step judges in described step that the TCH of continuous two periods turns whether SDCCH number is zero, if carry out following steps:
Step 4-1: judge that continuous one all TCH turn whether SDCCH number is zero, if not, do not adjust; If carry out step 4-2;
Step 4-2: the quantity of judgement Transmit-Receive Unit/carrier frequency TRX, and according to the quantity of TRX, the SDCCH of free time is configured to the TCH channel.
More preferably, in described step 4-2, if whether 1＜=TRX＜=4 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-1-2; If, execution in step 4-2-1-1: judge all every line telephone traffics〉whether 0.5erl and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-1-2, if further whether judge all idle SDCCH numbers greater than 12, if not execution in step 4-2-1-2, if the SDCCH with the free time is configured to the TCH channel; The primary channel configurable number that described K value is the residential quarter; Step 4-2-1-2: do not adjust.
On the other hand, in described step 4-2, if whether 5＜=TRX＜=8 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-2-2; If, execution in step 4-2-2-1: judge all every line telephone traffics〉whether 0.7erl and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-2-2, if further whether judge all idle SDCCH numbers greater than 20, if not execution in step 4-2-2-2, if the SDCCH with the free time is configured to the TCH channel; The primary channel configurable number that described K value is the residential quarter; Step 4-2-2-2: do not adjust.
In addition, in described step 4-2, if whether 9＜=TRX＜=12 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-3-2; If, execution in step 4-2-3-1: judge all every line telephone traffics〉whether 0.8erl and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-2-2, if further whether judge all idle SDCCH numbers greater than 28, if not execution in step 4-2-3-2, if the SDCCH with the free time is configured to the TCH channel; The primary channel configurable number that described K value is the residential quarter; Step 4-2-3-2: do not adjust.
Alternatively, before the TCH with the free time was configured to the SDCCH channel, first query modification channel occupancy state was configured conversion again under channel and the complete idle condition of subchannel.
In second embodiment of the invention, provide concrete adjustment step-length and adjusting range, parameter adjustment scope and step-length such as following table:
In third embodiment of the invention, before channel configuration was revised, necessary query modification channel occupancy state guaranteed to change under channel and the complete idle condition of subchannel again, revised the 02:00 adjustment that the period preferably fixes on every day, and the assurance business is unaffected as far as possible; Can suitably increase high special residential quarter K value (primary channel configurable number) of SDCCH demand such as LAC border of particular surroundings residential quarter such as station, school, commerce trading center, heavy traffic.
Below as an example of the traffic measurement in one week of Tianjin existing network example the preferred collocation strategy of explanation the present invention, the equipment of selecting in present embodiment is Huawei.Referring to accompanying drawing 2-13, the measurement result analysis of these 5 BSC of existing network BSC305/BSC306/BSC340/BSC348/BSC352 being extracted 7 days is counted the Classifying Sum analysis as shown in accompanying drawing 2-13 according to the TRX carrier frequency.
It is the channel configuration conditions of demand of 2 o'clock that Fig. 2 has described carrier frequency number (TRX), and namely channel is in the maximum number of busy condition.
Fig. 3 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 3 o'clock, and namely channel is in the maximum number of busy condition.
Fig. 4 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 4 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, as seen from the figure, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed, guarantees carrying and the speech quality of business
Fig. 5 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 5 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, can find out equally, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed, guarantees carrying and the speech quality of business
Fig. 6 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 6 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, as seen from the figure, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed
Fig. 7 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 7 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, as seen from the figure, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed, guarantees carrying and the speech quality of business
Fig. 8 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 8 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, as seen from the figure, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed
Fig. 9 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 9 o'clock, and namely channel is in the maximum number of busy condition
Figure 10 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 10 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, as seen from the figure, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed.
Figure 11 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 11 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, as seen from the figure, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed
Figure 12 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 12 o'clock, it is the maximum number that channel is in busy condition, wherein do not comprise the special screne residential quarter, as seen from the figure, the special screne residential quarter need to configure than the more channel in conventional residential quarter just can satisfy service needed
Figure 13 is that carrier frequency number (TRX) is the channel configuration conditions of demand of 16 o'clock, and namely channel is in the maximum number of busy condition, can find out in figure, and the SDCCH channel number of the lower idle condition of configuration is more, therefore can transfer TCH to by the SDCCH that this part is idle.
Analyze according to Fig. 2-13, the inventor determines in the preferred embodiment of the present invention, and primary channel configurable number (K value) will be different and different with scene, adopt particularly the scheme shown in following table:
Below be described in detail for execution mode one.Can carry out following adjustment to the SDCCH channel satisfying under above primary demand prerequisite:
Adjust one: extract the real-time traffic statistics of existing network, statistics TCH is converted to number SDCCH time; Every line telephone traffic, descending TBF reusing degree.Do following adjustment:
Hour idle SDCCH number=SDCCH configurable number-hour SDCCH takies maximum number;
All idle SDCCH numbers=SDCCH configurable number-all SDCCH take maximum number;
All every line telephone traffics〉k: have 20 hours in the week and satisfy every line telephone traffic k;
All TBF reusing degrees〉q: have 20 hours in the week and satisfy descending TBF reusing degree q.
Wherein, hour SDCCH take maximum number refer to hour in channel be in the maximum number (SDCCH) of busy condition; Week, idle SDCCH number referred to that all interior channels are in the maximum number (SDCCH) of busy condition.
Adjust two:
Be converted to number SDCCH time in conjunction with TCH, according to cell carrier frequencies configuration and SDCCH channel idle situation, residential quarter SDCCH channel adjusted, comprising:
(1): TCH is converted to number SDCCH time〉0(represents that business changes, the SDCCH channel of current configuration may not be completed the carrying of information, need to the TCH channel switch that part is idle be that the SDCCH channel carries the partial information that the SDCCH of current configuration can not carry).Adjust for sudden SDCCH demand (being the situation that business that the residential quarter need to be carried sharply increases suddenly): can be by tuning up " idle SDCCH channel thresholding N1 " accelerate dynamic SDCCH conversion and tune up " residential quarter SDCCH channel maximum number " to realize increasing dynamically the SDCCH channel, more business can be carried in the assurance residential quarter, tune up simultaneously the retention time that " TCH recovers the shortest time " extends dynamic SDCCH, the pressure that the SDCCH that the increase of alleviation bursts of traffic brings needs.Be converted to number SDCCH time for lasting TCH〉0, if TCH was converted to number SDCCH time in continuous three days〉0, illustrate that under this scene, business is extremely busy, now the SDCCH number of configuration is inadequate, need regular dynamic SDCCH that TCH is converted into to alleviate traffic pressure, perhaps increase static SDCCH channel and satisfy the SDCCH traffic demand;
(2): TCH is converted to SDCCH number=0(and represents that business is relatively stable, and the SDCCH channel number of current configuration can be completed the carrying of information, can make different changes to collocation strategy according to satisfying different Rule of judgment, at utmost guarantee service bearer and quality).
Comprise (1): do not satisfy continuous two hours TCH and be converted to number=0 SDCCH time, can not determine whether business also emergency case can occur to the demand of SDCCH, situation if any bursty traffic increases may congestedly also can occur again, advises not being eager to adjust back parameter.
(2) satisfy continuous two hours TCH and be converted to number=0 SDCCH time, illustrate that burst SDCCH demand disappears, therefore, configuration before TCH transforms SDCCH can be satisfied service needed, and the situation of the quality that can not make a difference, can adjust back parameter: 1＜=TRX＜=4, hour idle SDCCH number of continuous two hours〉4, illustrate that SDCCH is not in a hurry, configuration before TCH transforms SDCCH can be satisfied service needed, can adjust back " idle SDCCH channel thresholding N1 ", " residential quarter SDCCH channel maximum number " and " TCH recovers the shortest time ", the part TCH channel reduction of SDCCH will be converted into, provide more Traffic Channel to carry other business, avoid the wasting of resources.5＜=TRX＜=12, hour idle SDCCH number of continuous two hours〉8, illustrate that SDCCH can complete the task of carrying current business, configuration before TCH transforms SDCCH can be satisfied service needed, can adjust back " idle SDCCH channel thresholding N1 ", " residential quarter SDCCH channel maximum number " and " TCH recovers the shortest time ", more Traffic Channel (TCH) bearer service is provided.
(3) be converted to for TCH in the week and represent under SDCCH this sight of number=0(that SDCCH configures the carrying of enough finishing services, and understand some redundancy, for taking full advantage of resource, avoid waste, according to different Rule of judgment, carry out different collocation strategies under this scene).
Comprise: (a) TCH is converted to number=0 SDCCH time, and satisfies all every line telephone traffics〉0.5 or all TBF reusing degrees 4,1＜=TRX＜=4, static SDCCH〉(K+1) 8 of *; All idle SDCCH numbers〉12, illustrate that the SDCCH state is idle and redundant channels is arranged, can be that the TCH channel is used for carrying more business with idle redundancy SDCCH8 channel configuration.(b) TCH is converted to number=0 SDCCH time, all every line telephone traffics〉0.7 or all TBF reusing degrees 4,5＜=TRX＜=8, static SDCCH〉(K+1) 8 of *; All idle SDCCH numbers〉20, illustrate that the SDCCH state is idle, redundant channels is arranged, can be that the TCH channel is used for carrying more business with redundancy SDCCH8 channel configuration; TCH is converted to number=0 SDCCH time, all every line telephone traffics〉0.8 or all TBF reusing degrees 4,9＜=TRX＜=12, static SDCCH〉(K+1) 8 of *; All idle SDCCH numbers〉28, illustrate that the SDCCH state is idle, redundant channels is arranged, can be that the TCH channel is used for carrying more business with redundancy SDCCH8 channel configuration.
Preferably, adjust step-length is 1 at every turn, and namely every residential quarter is adjusted 1 at most weekly.
The beneficial effect that technical solution of the present invention is brought has: simplified the parameter judgement, be converted to digit rate SDCCH time by judging TCH, the variation that network capacity is occurred is made and is had more ageing capacity adjustment collocation strategy comparatively effective and rapidly.It is low that the TCH that improves the existing network global existence is converted to SDCCH digit rate, every line telephone traffic and without the low situation of line use ratio.Promote network carrying ability and also excavate the network potentiality, improve network performance, more pay attention to solve the SDCCH allocation plan under different situations, increase the adaptibility to response of bursts of traffic and reduce hysteresis quality and the fluctuation that Traditional Man is revised configuration.
Of the present inventionly be not limited to the described embodiment of embodiment, so long as those skilled in the art draw other execution mode according to the present invention program, belong to equally the scope of technological innovation of the present invention and protection.
Claims (9)
1. the automatic configuration regulating method of SDCCH based on the traffic system, comprise the following steps,
Step 1: carry out the collection of granularity traffic for a special time period;
Step 2: whether judge TCH turns SDCCH in this special time period number of times greater than zero, if, carry out step 3, if not, carry out step 4;
Step 3: idle SDCCH channel gate limit value N1, residential quarter SDCCH channel maximum number CELLMAXSD and TCH recovery shortest time MINRESTIMETCH are carried out the step-length adjustment; Simultaneously, judge that in the N continuous sky, whether the TCH in this special time period turns the number of times of SDCCH greater than zero, if the TCH with the free time is configured to the SDCCH channel;
Step 4: the TCH that judges continuous two periods turns whether SDCCH number is zero, if not, does not adjust.
2. the automatic configuration regulating method of SDCCH based on the traffic system as claimed in claim 1 is characterized in that:
Described special time period is 1 hour, and described N continuous sky is for for three days on end; Described continuous two periods are continuous two hours;
The described method that idle SDCCH channel gate limit value N1 is adjusted is: idle SDCCH channel gate limit value N1 is increased by 2 step-lengths;
Describedly residential quarter SDCCH channel maximum number CELLMAXSD is carried out the method that step-length adjusts be: residential quarter SDCCH channel maximum number CELLMAXSD is increased by 10;
Describedly TCH is recovered shortest time MINRESTIMETCH carry out the method that step-length adjusts and be: TCH is recovered shortest time MINRESTIMETCH increases by 60 seconds.
3. the automatic configuration regulating method of SDCCH based on the traffic system as claimed in claim 1 is characterized in that:
In described step 4, judge that the TCH of continuous two periods turns whether SDCCH number is zero, if:
Idle SDCCH channel gate limit value N1 is reduced by 2 step-lengths, and wherein, the adjusting range of idle SDCCH channel gate limit value step-length is [2,8];
Residential quarter SDCCH channel maximum number CELLMAXSD is reduced 10;
TCH is recovered shortest time MINRESTIMETCH reduce 60 seconds.
4. as claimed in claim 2 or claim 3 based on the automatic configuration regulating method of SDCCH of traffic system, it is characterized in that:
The adjusting range of described idle SDCCH channel gate limit value step-length is [2,8]; The adjusting range of described residential quarter SDCCH channel maximum number CELLMAXSD is [80,240]; The adjusting range that described TCH recovers shortest time MINRESTIMETCH is [60,600].
5. as claimed in claim 2 or claim 3 based on the automatic configuration regulating method of SDCCH of traffic system, it is characterized in that:
The TCH that judges continuous two periods in described step turns whether SDCCH number is zero, if carry out following steps:
Step 4-1: judge that continuous one all TCH turn whether SDCCH number is zero, if not, do not adjust; If carry out step 4-2;
Step 4-2: the quantity of judgement Transmit-Receive Unit/carrier frequency TRX, and according to the quantity of TRX, the SDCCH of free time is configured to the TCH channel.
6. the automatic configuration regulating method of SDCCH based on the traffic system as claimed in claim 5 is characterized in that:
In described step 4-2, if whether 1＜=TRX＜=4 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-1-2; If, execution in step 4-2-1-1: judge all every line telephone traffics〉whether 0.5erl and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-1-2, if further whether judge all idle SDCCH numbers greater than 12, if not execution in step 4-2-1-2, if the SDCCH with the free time is configured to the TCH channel; The primary channel configurable number that described K value is the residential quarter;
Step 4-2-1-2: do not adjust.
7. the automatic configuration regulating method of SDCCH based on the traffic system as claimed in claim 5 is characterized in that:
In described step 4-2, if whether 5＜=TRX＜=8 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-2-2; If, execution in step 4-2-2-1: judge all every line telephone traffics〉whether 0.7er l and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-2-2, if further whether judge all idle SDCCH numbers greater than 20, if not execution in step 4-2-2-2, if the SDCCH with the free time is configured to the TCH channel;
The primary channel configurable number that described K value is the residential quarter;
Step 4-2-2-2: do not adjust.
8. the automatic configuration regulating method of SDCCH based on the traffic system as claimed in claim 5 is characterized in that:
In described step 4-2, if whether 9＜=TRX＜=12 further judge SDCCH greater than (k+1) * 8, if not, execution in step 4-2-3-2; If, execution in step 4-2-3-1: judge all every line telephone traffics〉whether 0.8er l and week interim stream piece TBF reusing degree greater than 4, if not, execution in step 4-2-2-2, if further whether judge all idle SDCCH numbers greater than 28, if not execution in step 4-2-3-2, if the SDCCH with the free time is configured to the TCH channel;
The primary channel configurable number that described K value is the residential quarter;
Step 4-2-3-2: do not adjust.
9. the automatic configuration regulating method of SDCCH based on the traffic system as described in any one in claim 1-8 is characterized in that:
Before the TCH with the free time was configured to the SDCCH channel, first query modification channel occupancy state was configured conversion again under channel and the complete idle condition of subchannel.
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| CN102970693B (en) | 2015-04-22 |
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