CN102970693B - 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 the automatic configuration regulating method of a kind of SDCCH based on telephone traffic system, belong to mobile communication technology field.
Background technology
On the air interface of GSM network, bulk information be transmitted.We define 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.In all logic channels, Separate Dedicated Control Channel SDCCH is a considerable control channel.Its Main Function is in appointment Traffic Channel TCH front transfer system information, as: the signaling etc. that continues that subscription authentication, user's registration message and location updating are relevant with calling.The channel of another outbalance is Traffic Channel TCH/PDCH channel, and its Main Function is carrying CS/PS business, and the business that user is asked is achieved.If the information that SDCCH channel transmits, can not have abundant TCH to carry, very easily cause the congested or call drop of SDCCH channel, the service causing user to ask can not be set up; If the information that SDCCH channel transmits, only need the minority TCH channel of current configuration just can realize the business of user's request, the idle of Internet resources and waste will be caused.Therefore, in a community, how reasonably to select the physical channel of some to be used as SDCCH channel to transmit signaling, 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 supports SDCCH Dynamic Reconfiguration, and the conversion of traffic busy TCH and SDCCH is realized by this technology, but its prerequisite first distributes enough SDCCH channels according to the TRX number of network element configuration, afterwards according to the mode how many employings of bearer service in community manually adjust, the channel type of traffic busy is adjusted, provides carrier to realize increase capacity for more business.There are the reasons such as certain hysteresis quality in reply bursts of traffic, SDCCH configurable number redundancy, cause the overall TCH of existing network to be converted to SDCCH digit rate lower, every line telephone traffic and also lower without line use ratio.
Particularly, SDCCH dynamic assignment can the capacity of dynamic conditioning SDCCH, reduces the generation of SDCCH channel congestion, reduces SDCCH channel initial configuration to the impact of systematic function, increase power system capacity.This function mainly comprises: the dynamic assignment of TCH to SDCCH channel, the recovery of SDCCH to TCH channel.Utilize dynamic allocation algorithm, determine whether carrying out dynamic assignment according to input parameter.If at a time the SDCCH channel of community is busy, when the idle SDCCH number of channel is less than or equal to set point, then attempts finding available TCH and convert SDCCH channel to.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 meet two conditions simultaneously:
One is that the TCH number of channel of community current idle is greater than 4 or be greater than TRX number;
Two is maximum number MaxSDCCH that the current SDCCH number of channel in community is less than permission.
If satisfy condition, according to arranging accordingly, the TCH channel switch of free time is become SDCCH channel.Spent a period of time, if the SDCCH channel ratio of community is more idle, the SDCCH channel of dynamic assignment is reverted to TCH channel by BSC.
So first, TCH to be set to dynamically, in assigning process, mainly follow following rule:
First distribute fixed channel, reallocation dynamic channel; First distribute high priority channel, reallocation low priority channel; PS available time slot is continuously maximum; CS territory is better than PS territory.
Its shortcoming existed also is embodied in for particular field special circumstances, adjusts and inapplicable according to idle channel thresholding N1, easily causes the hysteresis quality that adjusts and the fluctuation of effect.
In order to understand the present invention better, 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 block 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 realizing automatically configuring adjustment based on the SDCCH of traffic measurement, be converted to SDCCH digit rate and SDCCH according to real-time TCH to take situation and configure adjustment dynamically, be that TCH channel is to meet traffic demand and data traffic requirement by the SDCCH channel configuration of idle redundancy, excavate network latent capacity, improve network performance.
Specifically, the invention provides the automatic configuration regulating method of a kind of SDCCH based on telephone traffic system, comprise the following steps, step 1: carry out the collection of granularity traffic for a special time period; Step 2: judge whether the number of times that TCH in this special time period turns SDCCH is greater than zero, if so, then carry out step 3, if not, then carry out step 4; Step 3: idle SDCCH channel gate limit value N1, community SDCCH channel maximum number CELLMAXSD and TCH are recovered shortest time MINRESTIMETCH and carries out step-length adjustment; Meanwhile, whether the number of times that the TCH judging in N continuous sky in this special time period turns SDCCH is greater than zero, if so, then the TCH of free time is configured to SDCCH channel; Step 4: judge that the TCH of continuous two periods turns whether SDCCH number is zero, if not, does not then adjust.
In one preferred embodiment, described special time period is 1 hour, and described N continuous sky is for three days on end; Described continuous two periods are continuous two hours; Describedly to the method that idle SDCCH channel gate limit value N1 adjusts be: idle SDCCH channel gate limit value N1 is increased by 2 step-lengths; Describedly the method that step-length adjusts is carried out to community SDCCH channel maximum number CELLMAXSD be: community SDCCH channel maximum number CELLMAXSD is increased by 10; Describedly shortest time MINRESTIMETCH is recovered to TCH carry out the method that step-length adjusts and be: TCH being 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 so, then:
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]; Community SDCCH channel maximum number CELLMAXSD is reduced 10; TCH is recovered shortest time MINRESTIMETCH and 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 community SDCCH channel maximum number CELLMAXSD is [80,240]; The adjusting range that described TCH recovers shortest time MINRESTIMETCH is [60,600].
Judge in described step that the TCH of continuous two periods turns whether SDCCH number is zero, if so, then carries out following steps:
Step 4-1: judge that continuous one week TCH turns whether SDCCH number is zero, if not, then do not adjust; If so, then step 4-2 is carried out;
Step 4-2: the quantity judging Transmit-Receive Unit/carrier frequency TRX, and according to the quantity of TRX, the SDCCH of free time is configured to TCH channel.
More preferably, in described step 4-2, if 1<=TRX<=4, then judge whether SDCCH is greater than (k+1) * 8 further, if not, then perform step 4-2-1-2; If, then execution step 4-2-1-1: judge week every line telephone traffic >0.5erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-1-2, if so, then judge whether all idle SDCCH numbers are greater than 12 further, then perform step 4-2-1-2 if not, if so, then the SDCCH of free time is configured to TCH channel; The primary channel configurable number of described K Zhi Wei community; Step 4-2-1-2: do not adjust.
On the other hand, in described step 4-2, if 5<=TRX<=8, then judge whether SDCCH is greater than (k+1) * 8 further, if not, then perform step 4-2-2-2; If, then execution step 4-2-2-1: judge week every line telephone traffic >0.7erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-2-2, if so, then judge whether all idle SDCCH numbers are greater than 20 further, then perform step 4-2-2-2 if not, if so, then the SDCCH of free time is configured to TCH channel; The primary channel configurable number of described K Zhi Wei community; Step 4-2-2-2: do not adjust.
In addition, in described step 4-2, if 9<=TRX<=12, then judge whether SDCCH is greater than (k+1) * 8 further, if not, then perform step 4-2-3-2; If, then execution step 4-2-3-1: judge week every line telephone traffic >0.8erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-2-2, if so, then judge whether all idle SDCCH numbers are greater than 28 further, then perform step 4-2-3-2 if not, if so, then the SDCCH of free time is configured to TCH channel; The primary channel configurable number of described K Zhi Wei community; Step 4-2-3-2: do not adjust.
Alternatively, before the TCH of free time is configured to SDCCH channel, first query modification channel occupation status, is configured conversion again under channel and the complete idle condition of subchannel.
This invention simplifies parameter to judge, comparatively effective and rapidly to the change that network capacity occurs, make and have more ageing capacity adjustment collocation strategy, network carrying ability can be promoted and excavate network potential, improve network performance, more pay attention to solve the SDCCH allocation plan under different situation, increase the adaptibility to response of bursts of traffic and reduce hysteresis quality and the fluctuation of Traditional Man amendment configuration, improve wireless resource utility efficiency and reduce redundancy SDCCH channel.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing thereof, the invention will be further described.
Fig. 1 is the invention process steps flow chart schematic diagram.
The channel configuration conditions of demand that Fig. 2 is carrier frequency number (TRX) when being 2.
The channel configuration conditions of demand that Fig. 3 is carrier frequency number (TRX) when being 3.
The channel configuration conditions of demand that Fig. 4 is carrier frequency number (TRX) when being 4.
The channel configuration conditions of demand that Fig. 5 is carrier frequency number (TRX) when being 5.
The channel configuration conditions of demand that Fig. 6 is carrier frequency number (TRX) when being 6.
The channel configuration conditions of demand that Fig. 7 is carrier frequency number (TRX) when being 7.
The channel configuration conditions of demand that Fig. 8 is carrier frequency number (TRX) when being 8.
The channel configuration conditions of demand that Fig. 9 is carrier frequency number (TRX) when being 9.
The channel configuration conditions of demand that Figure 10 is carrier frequency number (TRX) when being 10.
The channel configuration conditions of demand that Figure 11 is carrier frequency number (TRX) when being 11.
The channel configuration conditions of demand that Figure 12 is carrier frequency number (TRX) when being 12.
The channel configuration conditions of demand that Figure 13 is carrier frequency number (TRX) when being 16.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
See accompanying drawing 1, in the first execution mode of the present invention, the invention provides the automatic configuration regulating method of a kind of SDCCH based on telephone traffic system, comprise the following steps, step 1: carry out the collection of granularity traffic for a special time period; Step 2: judge whether the number of times that TCH in this special time period turns SDCCH is greater than zero, if so, then carry out step 3, if not, then carry out step 4; Step 3: idle SDCCH channel gate limit value N1, community SDCCH channel maximum number CELLMAXSD and TCH are recovered shortest time MINRESTIMETCH and carries out step-length adjustment; Meanwhile, whether the number of times that the TCH judging in N continuous sky in this special time period turns SDCCH is greater than zero, if so, then the TCH of free time is configured to SDCCH channel; Step 4: judge that the TCH of continuous two periods turns whether SDCCH number is zero, if not, does not then adjust.
Preferably, described special time period is 1 hour, and described N continuous sky is 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 so, then carries out following steps:
Step 4-1: judge that continuous one week TCH turns whether SDCCH number is zero, if not, then do not adjust; If so, then step 4-2 is carried out;
Step 4-2: the quantity judging Transmit-Receive Unit/carrier frequency TRX, and according to the quantity of TRX, the SDCCH of free time is configured to TCH channel.
More preferably, in described step 4-2, if 1<=TRX<=4, then judge whether SDCCH is greater than (k+1) * 8 further, if not, then perform step 4-2-1-2; If, then execution step 4-2-1-1: judge week every line telephone traffic >0.5erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-1-2, if so, then judge whether all idle SDCCH numbers are greater than 12 further, then perform step 4-2-1-2 if not, if so, then the SDCCH of free time is configured to TCH channel; The primary channel configurable number of described K Zhi Wei community; Step 4-2-1-2: do not adjust.
On the other hand, in described step 4-2, if 5<=TRX<=8, then judge whether SDCCH is greater than (k+1) * 8 further, if not, then perform step 4-2-2-2; If, then execution step 4-2-2-1: judge week every line telephone traffic >0.7erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-2-2, if so, then judge whether all idle SDCCH numbers are greater than 20 further, then perform step 4-2-2-2 if not, if so, then the SDCCH of free time is configured to TCH channel; The primary channel configurable number of described K Zhi Wei community; Step 4-2-2-2: do not adjust.
In addition, in described step 4-2, if 9<=TRX<=12, then judge whether SDCCH is greater than (k+1) * 8 further, if not, then perform step 4-2-3-2; If, then execution step 4-2-3-1: judge week every line telephone traffic >0.8erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-2-2, if so, then judge whether all idle SDCCH numbers are greater than 28 further, then perform step 4-2-3-2 if not, if so, then the SDCCH of free time is configured to TCH channel; The primary channel configurable number of described K Zhi Wei community; Step 4-2-3-2: do not adjust.
Alternatively, before the TCH of free time is configured to SDCCH channel, first query modification channel occupation status, is 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 are as following table:
In third embodiment of the invention, before channel configuration amendment, necessary query modification channel occupation status, ensures to change under channel and the complete idle condition of subchannel again, and the 02:00 that the amendment period preferably fixes on every day adjusts, and guarantee business is unaffected as far as possible; Special community K value (primary channel configurable number) as high in SDCCH demands such as the LAC borders of station, school, commerce trading center, heavy traffic to particular surroundings community can suitably increase.
For the Tianjin existing network traffic measurement of a week, the preferred collocation strategy of the present invention is described below, the equipment selected in present embodiment is Huawei.See accompanying drawing 2-13, the measurement result analysis of extracting these 5 BSC of existing network BSC305/BSC306/BSC340/BSC348/BSC352 7 days is analyzed as shown in accompanying drawing 2-13 according to TRX carrier frequency number Classifying Sum.
The channel configuration conditions of demand that Fig. 2 describes carrier frequency number (TRX) when being 2, namely channel is in the maximum number of busy condition.
The channel configuration conditions of demand that Fig. 3 is carrier frequency number (TRX) when being 3, namely channel is in the maximum number of busy condition.
The channel configuration conditions of demand that Fig. 4 is carrier frequency number (TRX) when being 4, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, as seen from the figure, special screne community needs configuration just can meet service needed than the more channel in conventional cell, ensures carrying and the speech quality of business
The channel configuration conditions of demand that Fig. 5 is carrier frequency number (TRX) when being 5, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, can find out equally, special screne community needs configuration just can meet service needed than the more channel in conventional cell, ensures carrying and the speech quality of business
The channel configuration conditions of demand that Fig. 6 is carrier frequency number (TRX) when being 6, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, as seen from the figure, special screne community needs configuration just can meet service needed than the more channel in conventional cell
The channel configuration conditions of demand that Fig. 7 is carrier frequency number (TRX) when being 7, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, as seen from the figure, special screne community needs configuration just can meet service needed than the more channel in conventional cell, ensures carrying and the speech quality of business
The channel configuration conditions of demand that Fig. 8 is carrier frequency number (TRX) when being 8, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, as seen from the figure, special screne community needs configuration just can meet service needed than the more channel in conventional cell
The channel configuration conditions of demand that Fig. 9 is carrier frequency number (TRX) when being 9, namely channel is in the maximum number of busy condition
The channel configuration conditions of demand that Figure 10 is carrier frequency number (TRX) when being 10, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, as seen from the figure, special screne community needs configuration just can meet service needed than the more channel in conventional cell.
The channel configuration conditions of demand that Figure 11 is carrier frequency number (TRX) when being 11, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, as seen from the figure, special screne community needs configuration just can meet service needed than the more channel in conventional cell
The channel configuration conditions of demand that Figure 12 is carrier frequency number (TRX) when being 12, namely channel is in the maximum number of busy condition, wherein do not comprise special screne community, as seen from the figure, special screne community needs configuration just can meet service needed than the more channel in conventional cell
The channel configuration conditions of demand that Figure 13 is carrier frequency number (TRX) when being 16, 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 the SDCCH of this part free time to TCH.
Analyze according to Fig. 2-13, inventor determines in the preferred embodiment of the present invention, and primary channel configurable number (K value) will be different with scene difference, adopt the scheme shown in following table particularly:
Below execution mode one is described in detail.SDCCH channel can be adjusted as follows meeting under above primary demand prerequisite:
Adjustment one: extract the real-time traffic statistics of existing network, statistics TCH is converted to SDCCH number; Every line telephone traffic, descending TBF reusing degree.Do following adjustment:
Hour idle SDCCH number=SDCCH configurable number-hour SDCCH takies maximum number;
Week, idle SDCCH number=SDCCH configurable number-all SDCCH took maximum number;
All every lines have 20 hours in telephone traffic >k: one week and meet every line telephone traffic >k;
All TBF reusing degrees have 20 hours in >q: one week and meet descending TBF reusing degree >q.
Wherein, hour SDCCH take maximum number to refer to hour in channel be in the maximum number (SDCCH) of busy condition; Week, idle SDCCH number referred to that in one week, channel is in the maximum number (SDCCH) of busy condition.
Adjustment two:
Be converted to SDCCH number in conjunction with TCH, according to cell carrier frequencies configuration and SDCCH channel idle situation, community SDCCH channel adjusted, comprising:
(1): TCH is converted to SDCCH several >0(and represents that business changes, the SDCCH channel of current configuration may not complete the carrying of information, needs the TCH channel switch by part is idle to be the partial information that SDCCH channel can not carry to the SDCCH carrying current configuration).For sudden SDCCH demand (namely community needs the situation that the business of carrying sharply increases suddenly) adjustment: by tuning up " idle SDCCH channel thresholding N1 " accelerate dynamic SDCCH conversion and tune up " community SDCCH channel maximum number " to realize increasing SDCCH channel dynamically, ensure that community can carry more business, tune up the retention time that " TCH recovers the shortest time " extends dynamic SDCCH simultaneously, alleviate the pressure of the SDCCH needs that bursts of traffic increase brings.SDCCH several >0 is converted to for lasting TCH, if TCH was converted to SDCCH several >0 in continuous three days, under this scene is described, business is extremely busy, the SDCCH number now configured is inadequate, need regular TCH to be converted into dynamic SDCCH to alleviate traffic pressure, or increase static SDCCH channel to meet 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 complete the carrying of information, according to meeting different Rule of judgment, different changes can be made to collocation strategy, at utmost ensureing service bearer and quality).
Comprise (1): do not meet continuous two hours TCH and be converted to SDCCH number=0, can not determine whether business also emergency case can occur to the demand of SDCCH, if any the situation that bursty traffic increases, may congestedly also can again occur, suggestion is not eager to adjust back parameter.
(2) meet continuous two hours TCH and be converted to SDCCH number=0, illustrate that burst SDCCH demand disappears, therefore, the configuration transformed before SDCCH at TCH can meet service needed, and the situation of the quality that can not make a difference, parameter can be adjusted back: 1<=TRX<=4, hour idle SDCCH number >4 of continuous two hours, illustrate that SDCCH is not in a hurry, the configuration transformed before SDCCH at TCH can meet service needed, can adjust back " idle SDCCH channel thresholding N1 ", " community SDCCH channel maximum number " and " TCH recovers the shortest time ", the part TCH channel reduction of SDCCH will be converted into, more Traffic Channel is provided to carry other business, avoid the wasting of resources.5<=TRX<=12, hour idle SDCCH number >8 of continuous two hours, illustrate that SDCCH can complete the task of carrying current business, the configuration transformed before SDCCH at TCH can meet service needed, can adjust back " idle SDCCH channel thresholding N1 ", " community SDCCH channel maximum number " and " TCH recovers the shortest time ", more Traffic Channel (TCH) bearer service is provided.
(3) represent that SDCCH configures the carrying of enough finishing services under SDCCH this sight of number=0(being converted to for one week interior TCH, and some redundancy, for making full use of resource, avoiding waste, according to different Rule of judgment under this scene, carry out different collocation strategies).
Comprise: (a) TCH is converted to SDCCH number=0, and meet week every line telephone traffic >0.5 or all TBF reusing degree >4,1<=TRX<=4, static SDCCH> (K+1) * 8; Week idle SDCCH number >12, SDCCH idle being described and having redundant channels, can be that TCH channel is used for carrying more business by idle redundancy SDCCH8 channel configuration.B () TCH is converted to SDCCH number=0, week every line telephone traffic >0.7 or all TBF reusing degree >4,5<=TRX<=8, static SDCCH> (K+1) * 8; Week idle SDCCH number >20, SDCCH idle being described, having redundant channels, can be that TCH channel is used for carrying more business by redundancy SDCCH8 channel configuration; TCH is converted to SDCCH number=0, week every line telephone traffic >0.8 or all TBF reusing degree >4,9<=TRX<=12, static SDCCH> (K+1) * 8; Week idle SDCCH number >28, SDCCH idle being described, having redundant channels, can be that TCH channel is used for carrying more business by redundancy SDCCH8 channel configuration.
Preferably, each adjustment step-length is 1, and namely every community adjusts at most 1 weekly.
The beneficial effect that technical solution of the present invention is brought has: simplify parameter and judge, by judging that TCH is converted to SDCCH digit rate, comparatively effective and rapidly to the change that network capacity occurs, making and having more ageing capacity adjustment collocation strategy.Improving the TCH that existing network entirety exists, to be converted to SDCCH digit rate low, every line telephone traffic and without the low situation of line use ratio.Promote network carrying ability and also excavate network potential, improve network performance, more pay attention to solve the SDCCH allocation plan under different situation, increase the adaptibility to response of bursts of traffic and reduce hysteresis quality and the fluctuation of Traditional Man amendment configuration.
The embodiment be not limited to described in embodiment of the present invention, as long as those skilled in the art draw other execution mode according to the present invention program, belongs to the scope of technological innovation of the present invention and protection equally.
Claims (9)
1., based on the automatic configuration regulating method of SDCCH of telephone traffic system, comprise the following steps,
Step 1: carry out the collection of granularity traffic for a special time period;
Step 2: judge whether the number of times that TCH in this special time period turns SDCCH is greater than zero, if so, then carry out step 3, if not, then carry out step 4;
Step 3: idle SDCCH channel gate limit value N1, community SDCCH channel maximum number CELLMAXSD and TCH are recovered shortest time MINRESTIMETCH and carries out step-length adjustment; Meanwhile, whether the number of times that the TCH judging in N continuous sky in this special time period turns SDCCH is greater than zero, if so, then the TCH of free time is configured to SDCCH channel;
Describedly to the method that idle SDCCH channel gate limit value N1 adjusts be: idle SDCCH channel gate limit value N1 is increased by 1 step-length, and step-length is 2;
Describedly to the method that community SDCCH channel maximum number CELLMAXSD carries out step-length adjustment be: community SDCCH channel maximum number CELLMAXSD is increased by 10;
Describedly the method that shortest time MINRESTIMETCH carries out step-length adjustment is recovered to TCH be: TCH being recovered shortest time MINRESTIMETCH increases by 60 seconds;
Step 4: judge that the TCH of continuous two periods turns whether SDCCH number is zero, if not, does not then adjust.
2., as claimed in claim 1 based on the automatic configuration regulating method of SDCCH of telephone traffic system, it is characterized in that:
The length of described special time period is 1 hour, and described N continuous sky is for three days on end; Described continuous two periods are continuous two hours.
3., as claimed in claim 1 based on the automatic configuration regulating method of SDCCH of telephone traffic system, it is characterized in that:
In described step 4, judge that the TCH of continuous two periods turns whether SDCCH number is zero, if so, then:
Idle SDCCH channel gate limit value N1 is reduced by 1 step-length, and step-length is 2, and wherein, the adjusting range of idle SDCCH channel gate limit value step-length is [2,8];
Community SDCCH channel maximum number CELLMAXSD is reduced 10;
TCH is recovered shortest time MINRESTIMETCH and reduce 60 seconds.
4. the automatic configuration regulating method of the SDCCH based on telephone traffic system as described in claim 1 or 3, 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 community SDCCH channel maximum number CELLMAXSD is [80,240]; The adjusting range that described TCH recovers shortest time MINRESTIMETCH is [60 seconds, 600 seconds].
5. the automatic configuration regulating method of the SDCCH based on telephone traffic system as described in claim 1 or 3, is characterized in that:
Judge in described step 4 that the TCH of continuous two periods turns whether SDCCH number is zero, if so, then carries out following steps:
Step 4-1: judge that continuous one week TCH turns whether SDCCH number is zero, if not, then do not adjust; If so, then step 4-2 is carried out;
Step 4-2: the quantity judging Transmit-Receive Unit/carrier frequency TRX, and according to the quantity of TRX, the SDCCH of free time is configured to TCH channel.
6., as claimed in claim 5 based on the automatic configuration regulating method of SDCCH of telephone traffic system, it is characterized in that:
In described step 4-2, if 1<=TRX number <=4, then judge whether SDCCH number is greater than (k+1) * 8 further, if not, then perform step 4-2-1-2; If, then execution step 4-2-1-1: judge all every line telephone traffic >0.5 Ireland erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-1-2, if so, then judge whether all idle SDCCH numbers are greater than 12 further, then perform step 4-2-1-2 if not, if so, then the SDCCH of free time is configured to TCH channel; The primary channel configurable number of described k Zhi Wei community;
Step 4-2-1-2: do not adjust.
7., as claimed in claim 5 based on the automatic configuration regulating method of SDCCH of telephone traffic system, it is characterized in that:
In described step 4-2, if 5<=TRX number <=8, then judge whether SDCCH number is greater than (k+1) * 8 further, if not, then perform step 4-2-2-2; If, then execution step 4-2-2-1: judge all every line telephone traffic >0.7 Ireland erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-2-2, if so, then judge whether all idle SDCCH numbers are greater than 20 further, then perform step 4-2-2-2 if not, if so, then the SDCCH of free time is configured to TCH channel;
The primary channel configurable number of described k Zhi Wei community;
Step 4-2-2-2: do not adjust.
8., as claimed in claim 5 based on the automatic configuration regulating method of SDCCH of telephone traffic system, it is characterized in that:
In described step 4-2, if 9<=TRX number <=12, then judge whether SDCCH number is greater than (k+1) * 8 further, if not, then perform step 4-2-3-2; If, then execution step 4-2-3-1: judge all every line telephone traffic >0.8 Ireland erl and flow block TBF reusing degree week temporarily whether be greater than 4, if not, then perform step 4-2-3-2, if so, then judge whether all idle SDCCH numbers are greater than 28 further, then perform step 4-2-3-2 if not, if so, then the SDCCH of free time is configured to TCH channel;
The primary channel configurable number of described k Zhi Wei community;
Step 4-2-3-2: do not adjust.
9. configuration regulating method as automatic in the SDCCH based on telephone traffic system in claim 1-3 as described in any one, is characterized in that:
Before the TCH of free time is configured to SDCCH channel, first queried channel seizure condition, is configured conversion again under channel and the complete idle condition of subchannel.
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