CN103796276B - Shorten the method and system of calling establishment time delay - Google Patents
Shorten the method and system of calling establishment time delay Download PDFInfo
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- CN103796276B CN103796276B CN201210427883.5A CN201210427883A CN103796276B CN 103796276 B CN103796276 B CN 103796276B CN 201210427883 A CN201210427883 A CN 201210427883A CN 103796276 B CN103796276 B CN 103796276B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
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Abstract
The invention discloses a kind of method and system for shortening calling establishment time delay, methods described includes:The Traffic Channel TCH of each serving cell of A, real-time statistics busy angle value;B, when there is user's service request access network, customer service request is parsed, whether be network expect shorten the business of time delay, if so, then go to step C if judging the customer service, otherwise, for this customer service request distribution Separate Dedicated Control Channel SDCCH;C, judge whether the busy angle value of TCH channels of current service cell is less than default dynamic adjusted threshold, if so, being then this customer service request distribution TCH channels, otherwise, for this customer service request distribution SDCCH channel.The present invention selectively can expect to shorten the customer service distribution TCH channels of time delay to transmit signaling according to the busy extent of TCH channels for some networks, SDCCH channels are distributed for other general purpose user services, the calling establishment time delay for both shortening relative users business has been reached, and has not caused the beneficial effect of network congestion.
Description
Technical field
The present invention relates to communication technical field, in particular to gsm system(Global System for Mobile
Communications, i.e. global system for mobile communications)A kind of side for shortening calling establishment time delay during call establishment
Method and system.
Background technology
In gsm system, as shown in figure 1, terminal is in access network, first have to by channel initialization allocated phase,
I.e. network is that one channel of terminal distribution is used to transmit signaling.
Specifically, network can be selected directly to terminal distribution TCH (Traffic Channel, Traffic Channel) channel,
Such a method of salary distribution is referred to as too early allocation model.In addition, network can also first give terminal distribution SDCCH(Stand-
Alone Dedicated Control Channel, Separate Dedicated Control Channel)Channel, then further according to specifically needing to this
Terminal distribution TCH channels, such a method of salary distribution is referred to as predistribution pattern.
Channel initialization distribution in, current network often all use predistribution pattern, when using predistribution pattern and work as
During preceding no available SDCCH channels, the priority level that network is asked according to corresponding service directly distributes TCH channels for it, with
SDCCH channels are substituted to complete the transmission of signaling message, but among practical application, this mode easily causes the wasting of resources,
Because, usual equivalent to eight SDCCH channels of a TCH channel.
According to the mode of SDCCH channels and TCH transmission signalings it is recognised that SDCCH channel speeds are low, and TCH believes
Road speed is high.Substantial amounts of statistics shows, during using too early allocation model, and calling establishment time delay is almost use end to end
The half of similar calling establishment time delay is even less during predistribution pattern.Therefore, in the case where user is harsh to delay requirement,
Using too early allocation model, i.e., calling establishment time delay can be shortened using TCH transmissions signaling, obvious benefit is brought to user
Place.But meanwhile, it can reduce the portfolio that TCH channels can be carried in itself, increase the risk of network congestion, finally reduce network
Capacity.
Therefore, how to weigh contradiction between the two, the lifting on Consumer's Experience is on the one hand brought for user, shortens business
Calling establishment time delay, does not on the other hand increase the access times of TCH channels on a large scale, saves Internet resources, and control network
Congestion risk is in rational level, is the technical problem that industry is of interest and needs are solved.
The content of the invention
Calling establishment time delay length is caused using predistribution pattern for current network and easily drawn using too early allocation model
The present situation of network congestion problem is sent out, it is an object of the invention to provide a kind of method and system for shortening calling establishment time delay.
In order to reach the purpose of the present invention, the present invention is realized using following technical scheme:
A kind of method for shortening calling establishment time delay, including:
The Traffic Channel TCH of each serving cell of A, real-time statistics busy angle value;
B, when there is user's service request access network, parse the customer service request, judge the customer service whether be
Network is expected to shorten the business of time delay, if so, C is then gone to step, otherwise, for this independent special control of customer service request distribution
Channel SDCCH;
C, judge current service cell TCH channels busy angle value whether be less than default dynamic adjusted threshold, if so,
It is then this customer service request distribution TCH channel, otherwise, for this customer service request distribution SDCCH channel.
Preferably, in step, by base station controller BSC(Base Station Controller, base station controller)
The Traffic Channel TCH of each serving cell of real-time statistics busy angle value.
Preferably, in step, the TCH channel busies angle value of serving cell is the TCH letters that respective service cell has been activated
Road number and the ratio of the available TCH channel numbers of this serving cell.
Preferably, in stepb, asked for instructions according to what customer service was asked in the random access information RA that channel massage is carried
Hold and judge whether the customer service is that network is expected to shorten the business of time delay.
Preferably, in step C, the span of dynamic adjusted threshold is 0 to 90%.
A kind of system for shortening calling establishment time delay, including:
Base station controller BSC, the busy angle value for the Traffic Channel TCH of each serving cell of real-time statistics;
Channel distribution control module, for when there is user's service request access network, parsing customer service request, sentences
Whether the customer service of breaking is that network is expected to shorten the business of time delay, if so, then continuing to judge the TCH channels of current service cell
Busy angle value whether be less than default dynamic adjusted threshold, it is no if so, be then this customer service request distribution TCH channels
Then, it is this customer service request distribution SDCCH channel.
Preferably, the TCH channel busies angle value of serving cell is the TCH channel numbers and this that respective service cell has been activated
The ratio of the available TCH channel numbers of serving cell.
Preferably, the Stochastic accessing for asking channel massage carrying for instructions that channel distribution control module is asked according to customer service is believed
Breath RA contents judge whether the customer service is that network is expected to shorten the business of time delay.
Preferably, the span of dynamic adjusted threshold is 0 to 90%.
Can be seen that the present invention by the technical scheme of the invention described above can have choosing according to the busy extent of TCH channels
It is expected that the customer service for shortening time delay distributes TCH channels to transmit signaling for some networks with selecting, be other general purpose user services
SDCCH channels are distributed, so as to reach the calling establishment time delay for both shortening relative users business, Consumer's Experience are improved, and not
As for the beneficial effect for causing network congestion.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of traditional channel initialization allocated phase;
A kind of Fig. 2 method flow schematic diagrams for shortening calling establishment time delay provided in an embodiment of the present invention;
Fig. 3 be the present embodiments relate to gsm system overall framework schematic diagram.
Fig. 4 is the flow signal of the method specific implementation step of shortening calling establishment time delay provided in an embodiment of the present invention
Figure;
A kind of Fig. 5 system structure diagrams for shortening calling establishment time delay provided in an embodiment of the present invention.
The realization, functional characteristics and excellent effect of the object of the invention, below in conjunction with specific embodiment and accompanying drawing do into
The explanation of one step.
Embodiment
Technical scheme of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that this
The technical staff in field can be better understood from the present invention and can be practiced, but illustrated embodiment is not as the limit to the present invention
It is fixed.
As shown in Fig. 2 a kind of method for shortening calling establishment time delay provided in an embodiment of the present invention, including following specific step
Suddenly:
The Traffic Channel TCH of each serving cell of S10, real-time statistics busy angle value;
S20, when there is user's service request access network, parse the customer service request, whether judge the customer service
Expect to shorten the business of time delay for network, if so, S30 is then gone to step, it is otherwise, independent special for this customer service request distribution
Control channel SDCCH;
S30, judge current service cell TCH channels busy angle value whether be less than default dynamic adjusted threshold, if
It is then this customer service request distribution TCH channel to be, otherwise, for this customer service request distribution SDCCH channel.
Specifically, in step, by each serving cell of base station controller BSC real-time statistics Traffic Channel TCH it is busy
Angle value.
As shown in figure 3, in the overall framework of gsm system, be typically responsible for by BSC the wireless channel of each cell management and
Distribution, therefore TCH channel busies degree can also be responsible for real-time statistics, in the figure, the MS by BSC(mobile station)
Refer to mobile station, BTS(Base Transceiver Station)Refer to Base Transceiver Station, BSS(Base Station
Subsystem)Refer to base station sub-system module, HLR(Home Location Register)Refer to attaching position register,
AUC(Authentication Centre)Refer to AUC, EIR(Equipment Identity Register)Refer to set
Standby marker register, MSC(Mobile Switching Center)Refer to mobile switching centre, VLR(Visitor
Location Register)Refer to VLR Visitor Location Register, OMC(Operations & Maintenance Center)Refer to
Operation maintenance center, PSTN(Public Switched Telephone Network)Refer to PSTN, ISDN
(Integrated Services Digital Network)Refer to ISDN.
Specifically, in step, the embodiment of the present invention is defined:The TCH channel busies angle value of serving cell is respective service
The ratio of the TCH channel numbers that cell has been activated and the available TCH channel numbers of this serving cell.
Specifically, in stepb, asked for instructions according to what customer service was asked in the random access information RA that channel massage is carried
Hold and judge whether the customer service is that network is expected to shorten the business of time delay.
Among actually practicing, the business that network is expected to shorten time delay can be different types of business, for example may be used
To be speech business, data service, short message service etc..
In the present embodiment, selection caller speech business shortens object to illustrate the spirit of the present invention as time delay.
According to 3GPP agreement TS44018 specifications 9.1.8 save description, in order that network can distinguish caller speech business and
Short message sends business, it is necessary to by the NECI of network(New Establishment Cause Indication, newly-built reason refers to
Show)Bit puts 1, and such short message, which sends business, to be disappeared using random access information RA contents for 0001**** channel of asking for instructions
Breath, and the RA contents asked for instructions in channel massage of the caller speech business of the present embodiment selection are 111***** and 0100**** two
Kind, wherein RA contents asking channel massage for instructions and may also come from data service for 111*****.Due to being compared with speech business, make
The user for carrying out data service with TCH channels is considerably less, therefore negligible.
As shown in figure 4, the specific implementation step of the method for the shortening calling establishment time delay that the present embodiment is provided is as follows:
Step 1, the NECI bits of network are put 1;
Step 2, the TCH channel occupancy situations of each serving cell of BSC real-time statistics;
For example, a kind of statistical method of TCH channel occupancies situation provided in an embodiment of the present invention is:BSC activates certain every time
During the TCH channels of one cell, the TCH channel numbers that the cell has been activated plus 1;BSC discharges the TCH channels of a certain cell every time
When, the TCH channel numbers that the cell has been activated are subtracted 1.Those skilled in the art is not difficult to learn, to statistical fractals cell
The implementation of TCH channel occupancy situations is not limited only to the above method, and it equally can be with by using other known statistical method
It is applicable the present invention;
What the customer service that step 3, BSC receive user terminal every time was asked is asked for instructions after channel massage, and channel is asked in inspection for instructions
Whether the random access information RA contents that message is carried are 111***** or 0100****, if it is, being transferred to step 4;It is no
Then, it is transferred to step 6;
Step 4, BSC the TCH channel occupancy situations of serving cell according to where current time user terminal calculate the phase
The TCH channel busy degree of serving cell is answered, then judges whether TCH channel busies degree is less than default dynamic adjusted threshold, such as
Fruit is then to be transferred to step 5, otherwise, is transferred to step 6.In this embodiment, the span of the dynamic adjusted threshold arrives for 0
90%, certainly, dynamic adjusted threshold can also flexibly be set by Backend parameter, or can be by those skilled in the art's root
Different threshold values is set to reach the demand of operator according to different application scenarios.
Step 5, the customer service request one TCH channel of distribution initiated for user terminal, terminate.
Step 6, the customer service request one SDCCH channel of distribution initiated for user terminal, terminate.
As shown in figure 5, the embodiment of the present invention additionally provides a kind of system for shortening calling establishment time delay, including:
Base station controller BSC 100, the busy angle value for the Traffic Channel TCH of each serving cell of real-time statistics;
Channel distribution control module 200, for when there is user's service request access network, parse the customer service please
Ask, whether be network expect shorten the business of time delay, if so, then continuing to judge current service cell if judging the customer service
Whether the busy angle value of TCH channels is less than default dynamic adjusted threshold, if so, being then this customer service request distribution TCH
Channel, otherwise, for this customer service request distribution SDCCH channel.
Specifically, the TCH channel busies angle value of serving cell is the TCH channel numbers and this that respective service cell has been activated
The ratio of the available TCH channel numbers of serving cell.
Specifically, the random of channel massage carrying of asking for instructions that channel distribution control module 200 is asked according to customer service connects
Enter information RA contents and judge whether the customer service is that network is expected to shorten the business of time delay.For example, the master of the present embodiment selection
The RA contents asked for instructions in channel massage for crying speech business are 111***** and two kinds of 0100****.When channel distribution control module
Customer service request is parsed, the random access information RA contents for asking channel massage carrying for instructions for judging customer service request are
During 111***** or 0100****, then judge that the customer service is expected to shorten the business of time delay for network.
Specifically, the span of dynamic adjusted threshold is 0 to 90%.Certainly, similarly, dynamic adjusted threshold can be with
Flexibly set by Backend parameter, or different doors can be set by those skilled in the art according to different application scenarios
Limit value is to reach the demand of operator.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (7)
1. a kind of method for shortening calling establishment time delay, it is characterised in that including:
The Traffic Channel TCH of each serving cell of A, real-time statistics busy angle value, the TCH channel busies angle value of serving cell is phase
Answer the ratio of the TCH channel numbers that serving cell has been activated and the available TCH channel numbers of this serving cell;
B, when there is user's service request access network, parse the customer service request, whether judge the customer service is network
The business of shortening time delay is expected, if so, C is then gone to step, otherwise, for this customer service request distribution Separate Dedicated Control Channel
SDCCH;
C, judge current service cell TCH channels busy angle value whether be less than default dynamic adjusted threshold, if so, being then
This customer service request distribution TCH channel, otherwise, for this customer service request distribution SDCCH channel.
2. shorten the method for calling establishment time delay as claimed in claim 1, it is characterised in that in step, by base station control
The Traffic Channel TCH of each serving cell of device BSC real-time statistics busy angle value.
3. shorten the method for calling establishment time delay as claimed in claim 1, it is characterised in that in stepb, according to user's industry
The random access information RA contents for asking channel massage carrying for instructions of business request judge whether the customer service is that network expects shortening
The business of time delay.
4. shorten the method for calling establishment time delay as claimed in claim 1, it is characterised in that in step C, dynamic adjustment door
The span of limit is 0 to 90%.
5. a kind of system for shortening calling establishment time delay, it is characterised in that including:
Base station controller BSC, for the Traffic Channel TCH of each serving cell of real-time statistics busy angle value, the TCH of serving cell
Channel busy angle value is the TCH channel numbers and the available TCH channel numbers of this serving cell that respective service cell has been activated
Ratio;
Channel distribution control module, for when there is user's service request access network, parsing customer service request, judging should
Whether customer service is that network is expected to shorten the business of time delay, if so, then continuing to judge the numerous of the TCH channels of current service cell
Whether busy angle value is less than default dynamic adjusted threshold, if so, being then this customer service request distribution TCH channel, otherwise, is
This customer service request distribution SDCCH channel.
6. as claimed in claim 5 shorten calling establishment time delay system, it is characterised in that channel distribution control module according to
The random access information RA contents for asking channel massage carrying for instructions of customer service request judge whether the customer service is the network phase
Hope the business for shortening time delay.
7. shorten the system of calling establishment time delay as claimed in claim 5, it is characterised in that the value model of dynamic adjusted threshold
Enclose for 0 to 90%.
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CN201210427883.5A CN103796276B (en) | 2012-10-31 | 2012-10-31 | Shorten the method and system of calling establishment time delay |
PCT/CN2013/076699 WO2013182033A1 (en) | 2012-10-31 | 2013-06-04 | Method and system for shortening call establishment delay |
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CN201210427883.5A CN103796276B (en) | 2012-10-31 | 2012-10-31 | Shorten the method and system of calling establishment time delay |
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WO2015089718A1 (en) * | 2013-12-16 | 2015-06-25 | 华为技术有限公司 | Base station controller and channel allocation method |
EP3277018B1 (en) * | 2015-04-09 | 2020-08-26 | Huawei Technologies Co. Ltd. | Admission control method and network equipment |
CN105050057B (en) * | 2015-06-15 | 2018-06-15 | 哈尔滨海能达科技有限公司 | Non-real time voice method of calling, trunked communication system and its control device and terminal |
CN106489254B (en) * | 2015-06-24 | 2020-02-28 | 海能达通信股份有限公司 | Service access control method and device in broadband cluster system and cluster terminal |
CN112087806A (en) * | 2019-06-12 | 2020-12-15 | 中兴通讯股份有限公司 | Method and electronic device for reducing call connection establishment delay |
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US20100157959A1 (en) * | 2008-12-20 | 2010-06-24 | Motorola, Inc. | Method and device for assigning traffic channels in a wireless communication system |
CN101511056A (en) * | 2009-03-20 | 2009-08-19 | 北京交通大学 | Method for shortening emergency group call built-up time by using earlier assignation |
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