CN102547987A - Method and device for transmitting radio configuration message - Google Patents
Method and device for transmitting radio configuration message Download PDFInfo
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- CN102547987A CN102547987A CN2010105885145A CN201010588514A CN102547987A CN 102547987 A CN102547987 A CN 102547987A CN 2010105885145 A CN2010105885145 A CN 2010105885145A CN 201010588514 A CN201010588514 A CN 201010588514A CN 102547987 A CN102547987 A CN 102547987A
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Abstract
The invention relates to a method and a device for transmitting a radio configuration message from a radio network controller layer in a universal mobile telecommunications system terrestrial radio access network. The method includes: utilizing an RNC (radio network controller) to inquire user signaling business volume; calculating activation time correction delta T according to that a priority level is higher than or equal to required transmission time of signaling of the radio configuration message; utilizing the delta T to correct radio configuration activation time; and transmitting the radio configuration message carrying the corrected radio configuration activation time to user equipment. By the aid of the method and the device, the radio configuration message can be guaranteed to be timely transmitted to the user equipment, and abnormal interaction of a network side and the user equipment due to business congestion of the RRC layer is avoided.
Description
Technical field
The present invention relates to radio resource control layer in the GSM subscriber equipment is carried out the method for radio-resource-configuration, specifically, relate to the method that radio resource control layer in the Access Network of UMTS ground sends radio configuration message.
Background technology
In the GSM; When UTRAN (UMTS Terrestrial Radio Access Network, wireless universal Access Network) need carry out radio-resource-configuration or when revising to UE (User Equipment, subscriber equipment); Descending RRC (Radio Resource Control; Radio Resource control) radio configuration message is set up (RADIO BEARER SETUP) like radio bearer, and radio bearer is reshuffled (RADIO BEARER RECONFIGURATION); Radio bearer release (RADIOBEARER RELEASE) etc.; Send to UE through RLC/MAC (Radio Link Control/Medium AccessControl, wireless chain control layer/medium access control layer), the preparation that while UTRAN inside is also set up in advance or revised the relevant Radio Resource of this UE.Describe for the configuration take-effective mode that comprises in the above-mentioned radio configuration message in the 3GPP agreement, dual mode is arranged: coming into force perhaps, the activationary time of configuring fixed comes into force.Wherein the activationary time of configuring fixed comes into force and is meant, RRC is provided with certain activationary time in message arrangement, and this activationary time is CFN (Connection FrameNumber; Connection Frame Number); Arrive constantly at CFN, UTRAN and UE start new configuration simultaneously, stop old configuration.
Guarantee that base station and UE forward in the new configuration simultaneously when activationary time arrives, need guarantee that at first base station and UE have received the notice from RNC (Radio NetworkController, radio network controller) before activationary time arrives.RNC realizes for the notice of base station through Iub mouth NABP agreement, realize for the notice of UE through Uu mouth RRC agreement.There is not the restriction on the bandwidth in the Iub mouth owing to be ATM transmission, so the constraint of activationary time processing delay and the propagation delay time on the Uu mouth only.Activationary time is considered not enoughly, and the base station then can occur can be notified, and UE also confiscates the problem of notice activationary time with regard to having arrived, in case this situation appears, because the inconsistent interruption fully that will cause communicating by letter of the configuration of base station and UE; If activationary time is considered oversizely, certainly will influence the professional performance of setting up.Therefore, how scientific and reasonable the activationary time that carries in the relevant RRC radio configuration message of calculating be a problem that requires careful consideration.
The factor that existing allocation activation time method is considered comprises:
The transmission quantity size that needs the configuration signal of transmission, the length PDU size of the transmission block of promptly descending radio configuration message after rlc layer is cut apart and number P DU number;
What transmit is consuming time, i.e. the size of Transmission Time Interval TTI (Transmission Time Interval) and interval;
The time delay of transmission, promptly physical layer Base-Band Processing time, RNC such as receive after the data at pending time, aerial transmission time and UE deal with data time to transmission time, the base station of base station.
Existing fixed activationary time collocation method is considered the influence of above each factor, reserves certain surplus, preestablishes the activationary time of a fixing value as configuration take-effective.But this method is because single transmission time of considering configuration signal only; There is not to consider the moment sending this configuration messages; Possibly exist other not send the RRC signaling message traffic carrying capacity that finishes as yet on the signaling channel, the problem of bringing like this is: when the priority that has other on the RRC signaling channel was greater than or equal to the traffic carrying capacity of current configuration messages, the transmission of configuration messages possibly blocked by above-mentioned message; For example; The user just discharges some business in the voice and packet data concurrent service handoff procedure, or the user sets up voice and packet data concurrent service in handoff procedure, causes configuration messages can not be sent to UE in time.If when the activationary time that on the base station, disposes arrives; UE does not also receive corresponding radio-resource-configuration message; The configuration of base station and UE will occur inconsistent, and UE does not again receive this configuration messages that gets clogged, and then UE is interrupted with communicating by letter of network side fully.
Summary of the invention
The object of the present invention is to provide the method and the device that send radio configuration message, the assurance subscriber equipment can be received radio configuration message in radio configuration message before activationary time arrives, make new radio-resource-configuration in time to come into force.
For solving the problems of the technologies described above, the present invention provides scheme following:
A kind of method of sending radio configuration message may further comprise the steps:
Radio network controller (RNC) inquiring user signaling traffic amount;
Be greater than or equal to the correction amount T of needed computing activation time in transmission time of signaling of radio configuration message according to priority;
Use this activationary time correction amount T to revise the radio configuration activationary time;
This radio configuration message of carrying this revised radio configuration activationary time is sent to subscriber equipment.
Compared with prior art; The present invention takes into full account the message traffic of sending on the configuration information moment rrc layer, obtains rational activationary time correction, and the radio configuration activationary time of existing fixed is dynamically revised; Can either guarantee the promptness of configuration take-effective; Can avoid again since signaling connect to go up traffic carrying capacity excessive, surpass the tolerance range of the activationary time of configuration, the up-downgoing that causes network side and subscriber equipment is fatal unusual problem alternately.
Another program provided by the invention is following:
A kind of method of sending radio configuration message may further comprise the steps:
The local rlc/mac layer of radio network controller (RNC) radio resource control RRC course sends querying command;
Rrc layer is hung up follow-up all Signaling Radio Bearer SRB and is gone up issuing of signaling message after receiving " can issue radio configuration message " notice of rlc/mac layer transmission;
Send this radio configuration message to subscriber equipment;
The hang-up of signaling message is gone up in releasing to this SRB.
Compared with prior art; The present invention hangs up and removes and hang up through follow-up all Signaling Radio Bearer SRB being gone up signaling message; Guarantee that radio configuration message can in time be sent to subscriber equipment, avoid because the traffic congestion of rrc layer causes network side and the mutual unusual situation of subscriber equipment.
Description of drawings
Fig. 1 is the schematic flow sheet of the specific embodiment of the invention one;
Fig. 2 is the schematic flow sheet of the specific embodiment of the invention two.
Embodiment
Specific embodiment one is as shown in Figure 1.
The factor that influences the calculating of radio configuration activationary time in the present embodiment comprises:
Factor 1: radio configuration transmission of messages amount size, the length PDU size of the transmission block of promptly descending radio configuration message after rlc layer is cut apart and number P DU number;
Factor 2: radio configuration transmission of messages consuming time, promptly the size of TTI with at interval and the transmission rate of transmission channel and physical channel;
Factor 3: the time delay of radio configuration transmission of messages, promptly physical layer Base-Band Processing time, RNC such as receive after the data at pending time, aerial transmission time and UE deal with data time to transmission time, the base station of base station;
Factor 4: retransmission cost, promptly select the number of retransmissions of space interface signaling according to the transmission quality of physical channel and transmission channel.
Factor 5: the traffic carrying capacity that other signaling messages bring.Because the signaling channel limited bandwidth, the business that other signaling messages cause will make a big impact to time-delay.
In the present embodiment; Represent new radio configuration activationary time with T_Activation_new; T_Activation_old representes the radio configuration activationary time that Consideration 1,2,3,4 obtains, and representes the correction that 5 couples of T_Activation_old of Consideration carry out with Δ T, then has:
T_Activation_new=T_Activation_old+ Δ T formula one
In the formula one, T_Activation_old is fixing activationary time, promptly reserves certain surplus according to experimental data and sets, and this CALCULATION OF PARAMETERS has detailed description in other documents, repeat no more here.Present embodiment obtains Δ T through the traffic carrying capacity Query Result, uses Δ T to revise T_Activation_old according to formula one, obtains T_Activation_new, and the radio configuration message of carrying this revised radio configuration activationary time is sent to UE.
Before the radio configuration message of activationary time is carried in the needs transmission; RNC initiates inquiry in inside to the local mac layer; Query object is: local downlink signaling radio bearer SRB (Signalling RadioBearer) traffic carrying capacity, queries is: " RLC Buffer Payload for each RB ".Behind the Query Result that obtains the SRB traffic carrying capacity, accomplish the calculating of activationary time correction amount T by RNC:
Δ T=∑ SRB (n) transmission time formula two
In the formula two, establish SRB (k) for carrying the SRB of this configuration signal, SRB (n) priority >=SRB (k) priority;
Wherein,
SRB (n) transmission time=((the * TTI of SRB (n) traffic carrying capacity/TB_size+1)/TB_number+1)
Formula three
In the formula three, each parameter declaration is following:
The transmission block size of the corresponding transmission channel of TB_size: SRB, unit: bit;
The maximum transmitted piece number of the corresponding transmission channel of TB_number:SRB;
The Transmission Time Interval of the corresponding transmission channel of TTI: SRB: unit: ms;
Need to prove that situation about retransmitting is not considered in the calculating that formula three is gone up the traffic transmission time for SRB, this is relevant with concrete channel quality, when concrete realization, can consider to introduce certain surplus as one sees fit.
Specific embodiment two is as shown in Figure 2.
Present embodiment is through improving original RNC signaling message transmission flow; To because the channel quality re-transmission that possibly cause is accurately controlled, eliminated the influence that traffic carrying capacity that the same period, other signaling messages produced causes the transmission delay of the radio configuration message of carrying the radio configuration activationary time.
The method of present embodiment may further comprise the steps:
The RNC rrc layer carries in transmission before the radio configuration message of radio configuration activationary time, and the rlc/mac layer to this locality sends inquiry and order is set.
Rlc/mac layer checks on the current signaling channel whether the business of not sent is arranged after receiving inquiry and order is set.
If the business of not sent is arranged on the current signaling channel, local state then is set is " the professional back notice rrc layer that finishes that sends ";
If the business of not sent on the current signaling channel then notifies rrc layer " can issue radio configuration message ".
After rlc/mac layer notice rrc layer can issue radio configuration message, rrc layer was hung up follow-up all SRB and is gone up issuing of signaling message, and pre-configured fixing activationary time is set in radio configuration message, accomplished issuing of radio configuration message.After rrc layer receives that the rlc/mac layer of radio configuration message is confirmed, remove the hang-up of above-mentioned SRB being gone up signaling message again.
When the local state of rlc/mac layer during, can adopt a kind of completion in following three seed scheme to send the indication of " can issue radio configuration message " to rrc layer for " the professional back notice rrc layer that finishes that sends ".
Subscheme one:
Send when rlc/mac layer detects last piece business datum, send the notice of " can issue radio configuration message " immediately to rrc layer.
Subscheme two:
Receiving when rlc/mac layer after the affirmation bag of all business datums, sending the notice of " can issue radio configuration message " immediately to rrc layer.
Subscheme three:
Have situation about retransmitting if rlc/mac layer detects in the professional process of sending of existing signaling message, then: rlc/mac layer sends the notice of " can issue radio configuration message " immediately to rrc layer after receiving the affirmation bag of all business datums;
If rlc/mac layer detects the situation that does not have re-transmission in the professional process of sending of existing signaling message, then: rlc/mac layer detects last piece business datum and sends, and sends the notice of " can issue radio configuration message " immediately to rrc layer.
Above-mentioned each execution mode is to realize specific embodiment of the present invention, and in practical application, can be in form with on the details it is done various changes, and without departing from the spirit and scope of the present invention.
Claims (20)
1. method of sending radio configuration message is characterized in that may further comprise the steps:
Radio network controller (RNC) inquiring user signaling traffic amount;
Be greater than or equal to the correction amount T of needed computing activation time in transmission time of signaling of radio configuration message according to priority;
Use said activationary time correction amount T to revise the radio configuration activationary time;
The said radio configuration message of carrying said revised radio configuration activationary time is sent to subscriber equipment.
2. the method for transmission radio configuration message according to claim 1 is characterized in that: the RNC query object is local downlink signaling radio bearer SRB traffic carrying capacity.
3. the method for transmission radio configuration message according to claim 2; It is characterized in that: said activationary time correction amount T=∑ SRB (n) transmission time; Wherein SRB (k) is the SRB of this configuration signal of carrying, and SRB (n) priority >=SRB (k) priority.
4. the method for transmission radio configuration message according to claim 3; It is characterized in that: said SRB (n) transmission time=((the * TTI of SRB (n) traffic carrying capacity/TB_size+1)/TB_number+1); Wherein TB_size is the transmission block size of the corresponding transmission channel of SRB; TB_number is the maximum transmitted piece number of the corresponding transmission channel of SRB, and TTI is the Transmission Time Interval of the corresponding transmission channel of SRB.
5. radio network controller is characterized in that this radio network controller comprises:
Enquiry module is used for inquiring user signaling traffic amount;
Computing module is used for being greater than or equal to according to priority the correction amount T of needed computing activation time in transmission time of signaling of radio configuration message;
Correcting module is used to use said activationary time correction amount T to revise the radio configuration activationary time;
Sending module is used for the said radio configuration message of carrying said revised radio configuration activationary time is sent to subscriber equipment.
6. radio network controller according to claim 5 is characterized in that: the query object of said enquiry module is local downlink signaling radio bearer SRB traffic carrying capacity.
7. radio network controller according to claim 6 is characterized in that: in said activationary time correction amount T=∑ SRB (n) transmission time, wherein SRB (k) is the SRB of this configuration signal of carrying, and SRB (n) priority >=SRB (k) priority.
8. radio network controller according to claim 7; It is characterized in that: said SRB (n) transmission time=((the * TTI of SRB (n) traffic carrying capacity/TB_size+1)/TB_number+1); Wherein TB_size is the transmission block size of the corresponding transmission channel of SRB; TB_number is the maximum transmitted piece number of the corresponding transmission channel of SRB, and TTI is the Transmission Time Interval of the corresponding transmission channel of SRB.
9. method of sending radio configuration message is characterized in that may further comprise the steps:
The local rlc/mac layer of radio network controller (RNC) radio resource control RRC course sends querying command;
Rrc layer is hung up follow-up all Signaling Radio Bearer SRB and is gone up issuing of signaling message after receiving " can issue radio configuration message " notice of rlc/mac layer transmission;
Send said radio configuration message to subscriber equipment;
The hang-up of signaling message is gone up in releasing to said SRB.
10. the method for transmission radio configuration message according to claim 9; It is characterized in that: rlc/mac layer is after receiving querying command; Check on the current signaling channel whether the business of not sent is arranged; If the business of not sent on the current signaling channel then notifies rrc layer can issue configuration messages.
11. the method for transmission radio configuration message according to claim 9; It is characterized in that: rlc/mac layer is after receiving querying command; Check on the current signaling channel whether the business of not sent is arranged; If the business of not sent is arranged on the current signaling channel, local state then is set is " the professional back notice rrc layer that finishes that sends ".
12. the method for transmission radio configuration message according to claim 11 is characterized in that: after rlc/mac layer detects last piece business datum and sends, send the notice of " can issue radio configuration message " to rrc layer.
13. the method for transmission radio configuration message according to claim 11 is characterized in that: receiving when rlc/mac layer after the affirmation bag of all business datums, sending the notice of " can issue radio configuration message " to RRC.
14. the method for transmission radio configuration message according to claim 11; It is characterized in that: have situation about retransmitting if rlc/mac layer detects in the professional process of sending of existing signaling message; Then rlc/mac layer sends the notice of " can issue radio configuration message " to RRC after receiving the affirmation bag of all business datums; If rlc/mac layer detects the situation that does not have re-transmission in the professional process of sending of existing signaling message, after then rlc/mac layer detects last piece business datum and sends, send the notice of " can issue radio configuration message " to RRC.
15. a radio network controller is characterized in that this radio network controller comprises:
Enquiry module is used for sending querying command to the rlc/mac layer of this locality;
Hang up module, receive " can issue radio configuration message " notice that rlc/mac layer sends after, hangs up issuing of signaling message on follow-up all Signaling Radio Bearer SRB;
Sending module is used to send said radio configuration message to subscriber equipment;
Remove and hang up module, be used to remove the hang-up of said SRB being gone up signaling message.
16. radio network controller according to claim 15; It is characterized in that: said radio network controller further comprises the inspection module; Be used for after rlc/mac layer is being received querying command; Check on the current signaling channel whether the business of not sent is arranged, if the business of not sent on the current signaling channel then notifies rrc layer can issue configuration messages.
17. radio network controller according to claim 15; It is characterized in that: said radio network controller further comprises the inspection module; Be used for after rlc/mac layer is being received querying command; Check on the current signaling channel whether the business of not sent is arranged,, local state then is set is " the professional back notice rrc layer that finishes that sends " if the business of not sent is arranged on the current signaling channel.
18. radio network controller according to claim 17; It is characterized in that: said radio network controller further comprises the notice sending module; Be used for after rlc/mac layer detects last piece business datum and sends, sending the notice of " can issue radio configuration message " to rrc layer.
19. radio network controller according to claim 17; It is characterized in that: said radio network controller further comprises the notice sending module; Be used for after rlc/mac layer is being received the affirmation bag of all business datums, send the notice of " can issue radio configuration message " to RRC.
20. radio network controller according to claim 17; It is characterized in that: said radio network controller further comprises the notice sending module; Detect the situation that there is re-transmission in the professional process of sending of existing signaling message if be used for rlc/mac layer; Then rlc/mac layer sends the notice of " can issue radio configuration message " to RRC after receiving the affirmation bag of all business datums; If rlc/mac layer detects the situation that does not have re-transmission in the professional process of sending of existing signaling message, after then rlc/mac layer detects last piece business datum and sends, send the notice of " can issue radio configuration message " to RRC.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103687047A (en) * | 2012-09-07 | 2014-03-26 | 京信通信系统（中国）有限公司 | GPRS (General Packet Radio Service) business data transmission method, GPRS business data transmission device, and GPRS business data transmission system |
| CN105517020A (en) * | 2015-12-16 | 2016-04-20 | 京信通信系统（广州）有限公司 | Configuration parameter updating method and apparatus |
| CN105792345A (en) * | 2014-12-24 | 2016-07-20 | 鼎桥通信技术有限公司 | Method for compensating for activation time |
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| CN1992966A (en) * | 2005-12-27 | 2007-07-04 | 中兴通讯股份有限公司 | Private wireless link reconfigured method with renewable activation time |
| CN101197612A (en) * | 2006-12-07 | 2008-06-11 | 大唐移动通信设备有限公司 | Method and device for computing activation time |
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| CN1870810A (en) * | 2005-05-23 | 2006-11-29 | 中兴通讯股份有限公司 | Radio allocation activation time selecting method controlled by radio resource |
| CN1992966A (en) * | 2005-12-27 | 2007-07-04 | 中兴通讯股份有限公司 | Private wireless link reconfigured method with renewable activation time |
| CN101197612A (en) * | 2006-12-07 | 2008-06-11 | 大唐移动通信设备有限公司 | Method and device for computing activation time |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687047A (en) * | 2012-09-07 | 2014-03-26 | 京信通信系统（中国）有限公司 | GPRS (General Packet Radio Service) business data transmission method, GPRS business data transmission device, and GPRS business data transmission system |
| CN103687047B (en) * | 2012-09-07 | 2017-12-19 | 京信通信系统（中国）有限公司 | General packet wireless business data transmission method, apparatus and system |
| CN105792345A (en) * | 2014-12-24 | 2016-07-20 | 鼎桥通信技术有限公司 | Method for compensating for activation time |
| CN105792345B (en) * | 2014-12-24 | 2019-02-12 | 鼎桥通信技术有限公司 | A method of carrying out activationary time compensation |
| CN105517020A (en) * | 2015-12-16 | 2016-04-20 | 京信通信系统（广州）有限公司 | Configuration parameter updating method and apparatus |
| CN105517020B (en) * | 2015-12-16 | 2018-09-28 | 京信通信系统（中国）有限公司 | A kind of method and device of update configuration parameter |
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