CN101179823B - Method and system for scheduling air interface signaling and data transmission of mobile communication system - Google Patents
Method and system for scheduling air interface signaling and data transmission of mobile communication system Download PDFInfo
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- CN101179823B CN101179823B CN2006101179936A CN200610117993A CN101179823B CN 101179823 B CN101179823 B CN 101179823B CN 2006101179936 A CN2006101179936 A CN 2006101179936A CN 200610117993 A CN200610117993 A CN 200610117993A CN 101179823 B CN101179823 B CN 101179823B
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Abstract
The invention discloses a dispatching method and system for signaling and data transmission, which improves the reliability of downlink and/or data transmission when a user terminal is in a noncontinuous receiving state. The technical proposal of the method includes: a situation that the user terminal is not able to receive a forward access channel because the user terminal is in the noncontinuous state is judged according to the configuration situation of the user terminal in the noncontinuous receiving state and the ability of the user terminal. Then, the signaling and/or data are transmitted according to a time-delay to avoid the situation that the user terminal is not able to receive the forward access channel. The invention is applied to the mobile communication field.
Description
Technical field
The present invention relates to dispatching method and system that a kind of signaling and data send, relate in particular to the air interface signaling of 3-G (Generation Three mobile communication system) (UMTS) and/or the transmission dispatching method and the system of data.
Background technology
In 3-G (Generation Three mobile communication system) (UMTS), signaling and the user data aloft transmission means of interface have multiplely, can use dedicated transmission channel (DCH) also can use Common transport channel (CCH).For dedicated transmission channel (DCH), a transmission channel only transmits the information of specific user's correspondence, comprises the data and the control signaling of practical business.For Common transport channel (CCH), then be used for transmitting some public informations or time division multiplexing and transmit the corresponding information of a plurality of user terminals (UE).
For the transmission of downlink signaling and data, in general, under the situation that does not have dedicated transmission channel (DCH), signaling and data are transmitted by FACH (Forward Access Channel, forward access channel) channel.For instance, UE makes a call in idle (IDLE) pattern, need at first set up Radio Resource control (RRC) this moment connects, enter the CELL_DCH state then (certainly, also may enter the CELL_FACH state, the CELL_DCH state only is discussed earlier here), set up dedicated transmission channel (DCH), RRC connects foundation (RRCCONNECTION SETUP) message in the FACH channel here.Another example, for the UE that is in the CELL_DCH state, network side can carry out the dynamic channel configuration according to the measuring business volume result, under the less situation of traffic carrying capacity, the RRC connection status is moved to the CELL_FACH state from CELL_DCH, discharge dedicated transmission channel (DCH), utilize common signal channel transmission data then, be downlink data in the FACH transmission and upstream data transmits at RACH (Random Access Channel, Random Access Channel).The purpose of doing like this is to save air interface resource, improves the capacity of UMTS system.
When network side (UTRAN) sends downlink signaling or data by the FACH channel,, just may cause the bust this of signaling or data if UE is in discontinuous receiving state.For instance, under the CELL_FACH state, if network side (UTRAN) has disposed different-frequency measure or isosystem measurement, and it (also is the situation that UE has only a cover RF receiving system that UE need stop this sub-district reception just can carrying out different frequency/different system measurement, UE generally speaking is generally so), UE need carry out different-frequency measure and/or isosystem measurement in a period of time, in 3GPP, be defined as measurement opportunity (Measurement Occasion) during this period of time, if signaling or data are arranged in the FACH channel in the time corresponding on the opportunity of measurement, UE can't finish reception so, therefore corresponding signaling or data transmission fails.Another example, set up in the process in the RRC connection, the RRC connection is set up message and send to UE on the FACH channel, if UE is carrying out different-frequency measure and/or isosystem measurement at this moment, will cause RRC to connect so and set up message transmission failure even RRC connection foundation failure.
By top description, we can draw such conclusion: pass through under the situation of FACH channel transmission in signaling or data, if UE is in discontinuous receiving state (as carrying out different-frequency measure and/or isosystem measurement), may cause the bust this of signaling or data so, for this problem solution not arranged as yet at present.
Summary of the invention
The objective of the invention is to address the above problem, the dispatching method and the system that provide a kind of signaling and data to send when user terminal is in discontinuous receiving state, improve downlink signaling and/or reliability of data transmission.
Technical scheme of the present invention is: the invention describes the dispatching method that a kind of mobile communication system air interface signaling and data send, guarantee that user terminal can receive signaling or data, described method comprises:
Judge that according to the configuring condition of the discontinuous reception of user terminal and the ability of user terminal user terminal is because of being in the situation that discontinuous receiving state can not receive forward access channel;
Avoid the above-mentioned situation that can not receive forward access channel by time-delay and send signaling and/or data.
The dispatching method that above-mentioned mobile communication system air interface signaling and data send, wherein, the discontinuous reception of user terminal comprises that user terminal carries out different-frequency measure and/or isosystem measurement in the described method.
On the other hand, the present invention has also described the dispatching method of a kind of mobile communication system air interface signaling and data transmission, guarantees that user terminal can receive signaling or data, and described method comprises:
(1) initialization, the configuration common signal channel is to wait for the transmission of signaling and/or data;
(2) judged whether that downlink signaling and/or data need to send,, otherwise continued to wait for the arrival of signaling and/or data, be sent completely the back process ends in all signalings and/or data if having then enter step (3);
(3) judge whether this user terminal has been configured discontinuous reception, and judge according to the ability of this user terminal whether this user terminal can't receive forward access channel when being in discontinuous receiving state, if then enter step (5), otherwise enter step (4);
(4) directly send signaling and/or data, enter step (2) after being sent completely;
(5) judge whether user terminal can receive forward access channel in the current time interval, if then enter step (6), otherwise enters step (7);
(6) beginning sends signaling and/or data on forward access channel, enters step (2) after being sent completely;
(7) postpone to enter step (5) behind a Transmission Time Interval.
The dispatching method that above-mentioned mobile communication system air interface signaling and data send, wherein, in the described method, user terminal is in discontinuous receiving state and comprises that user terminal carries out different-frequency measure and/or isosystem measurement.
The dispatching method that above-mentioned mobile communication system air interface signaling and data send, wherein, described current time interval is in a current time Transmission Time Interval in the near future.
The dispatching method that above-mentioned mobile communication system air interface signaling and data send, wherein, in the step (7), described Transmission Time Interval is the timing length of timer.
On the other hand, the present invention has also described the dispatching patcher of a kind of mobile communication system air interface signaling and data transmission, guarantees that user terminal can receive signaling or data, and described system comprises:
Initialization unit, the configuration common signal channel is to wait for the transmission of signaling and/or data;
First judging unit has judged whether that signaling and/or data need to send;
Second judging unit judges whether user terminal has been configured discontinuous reception, and judges according to the ability of this user terminal whether this user terminal can't receive forward access channel when being in discontinuous receiving state;
Direct transmitting element goes out user terminal in described second judgment unit judges and does not dispose and can receive under the situation of forward access channel when discontinuous reception or user terminal are being in discontinuous receiving state, directly sends signaling and/or data;
The 3rd judging unit, go out user terminal in described second judgment unit judges and disposed discontinuous reception and when user terminal is being in discontinuous receiving state, can't receive under the situation of forward access channel, judge whether user terminal is in discontinuous receiving state in the current time interval;
The forward access channel transmitting element goes out in described the 3rd judgment unit judges that user terminal is not under the situation of discontinuous receiving state in the current time interval, sends signaling and/or data on forward access channel;
Delay cell goes out in described the 3rd judgment unit judges that user terminal is under the situation of discontinuous receiving state in the current transmission time interval, postpones to continue to enter the 3rd judging unit behind the Transmission Time Interval and handles.
The dispatching patcher that above-mentioned mobile communication system air interface signaling and data send, wherein, described current time interval is from a current time Transmission Time Interval in the near future.
The dispatching patcher that above-mentioned mobile communication system air interface signaling and data send, wherein, described delay cell is provided with a timer, and regularly a duration is a Transmission Time Interval.
The dispatching patcher that above-mentioned mobile communication system air interface signaling and data send, wherein, described user terminal is in discontinuous receiving state and comprises that user terminal carries out different-frequency measure and/or isosystem measurement.
The present invention contrasts prior art following beneficial effect: network side is according to its configuring condition and ability of user terminal flexible dispatching downlink signaling and/or the transmission of data on the FACH channel to user terminal measurement, avoid user terminal because of carrying out the situation that different-frequency measure and/or isosystem measurement can not receive the FACH channel, improve the reliability of downlink data transmission.
Description of drawings
Fig. 1 is the flow chart of dispatching method embodiment of the present invention.
Fig. 2 is the schematic diagram that the present invention sends scheduling embodiment.
Fig. 3 is the block diagram that the present invention sends dispatching patcher embodiment.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 shows the flow process of an embodiment of dispatching method of the present invention.See also Fig. 1, this embodiment is the detailed description to each step in this flow process with a different-frequency measure and/or isosystem measurement example as discontinuous receiving state below.
Step S1: initialization.The configuration common signal channel is waited for the transmission of signaling or data then.
Step S2: judged whether that downlink signaling and/or data need send to user terminal (UE).If have signaling and/or data to need to send, just enter step S3, otherwise repeating step S2 continues to wait for the arrival of signaling and/or data.
Step S3: judge whether this user terminal has been configured different-frequency measure and/or isosystem measurement and this user terminal and can't receives FACH when carrying out different-frequency measure and/or isosystem measurement.If disposed different-frequency measure and/or isosystem measurement and when measuring, can't receive the FACH channel, just entered step S5, otherwise enter step S4.
Step S4: send signaling and/or data according to normal flow, promptly directly send signaling and/or data.Be sent completely this signaling and/or data of expression and send successfully, send other signaling and/or data, then get back among the step S2 as need.
Step S5: judge whether user terminal can receive the FACH channel in the current time interval, judge promptly also whether user terminal is carrying out different-frequency measure and/or isosystem measurement in the current time interval.If user terminal can receive the FACH channel, promptly do not carry out different-frequency measure and/or isosystem measurement, then enter step S6; Otherwise enter step S7.
Here the current time interval of indication is in a current time Transmission Time Interval (TTI) in the near future.See also Fig. 2, because UE has carried out clear and definite definition the opportunity of measuring in the 3GPP agreement, so network side (UTRAN) can be judged UE at an easy rate and which time can carry out different-frequency measure and/or isosystem measurement and UE in can receive the FACH channel time in which.Dash area is UE different-frequency measure and/or isosystem measurement opportunity among the figure, does not allow FACH channel signaling/data this moment.The figure empty is partly for allowing the opportunity of FACH channel signaling/data.
Step S6: beginning sends signaling and/or data on the FACH channel, is sent completely this signaling and/or data of expression and sends successfully, sends other signaling and/or data as need, then gets back among the step S2.
Step S7: postpone a Transmission Time Interval (TTI), enter step S5 then.For example, can start a timer, timing length is a Transmission Time Interval (TTI), treats to enter step S5 behind the timer expiry.
On the other hand, the present invention has also described the dispatching patcher of a kind of mobile communication air interface signaling and data transmission.See also Fig. 3, this system 10 comprises initialization unit 11, first judging unit 12, second judging unit 13, direct transmitting element 14, the 3rd judging unit 15, FACH channel transmitting element 16, delay cell 17.
Initialization unit 11 configuration common signal channels are waited for the transmission of signaling and/or data.First judging unit 12 has judged whether that signaling and/or data need send to user terminal, sends if desired and then handles by second judging unit 13, otherwise the arrival of wait signaling and/or data.Second judging unit 13 judges whether UE has been configured different-frequency measure and/or isosystem measurement, and judges according to the ability of UE whether UE can't receive the FACH channel during different-frequency measure and/or isosystem measurement.When measuring, can't receive the FACH channel if UE has disposed different-frequency measure and/or isosystem measurement and UE, then be for further processing by the 3rd judging unit 15; Otherwise send signaling and/or data by normal flow by direct transmitting element 14.The 3rd judging unit 15 judges whether UE is carrying out different-frequency measure and/or isosystem measurement in the current time interval, and current time interval is from a current time Transmission Time Interval (TTI) in the near future.When the 3rd judging unit 15 was judged UE and is not in different-frequency measure and/or isosystem measurement, FACH channel transmitting element 16 sent signaling and/or data on the FACH channel.When the 3rd judging unit 15 was judged UE and do not carried out different-frequency measure and/or isosystem measurement, delay cell 17 postponed a Transmission Time Interval (TTI) back by the interior timer of establishing and continues to be handled by the 3rd judging unit 15.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (8)
1. the dispatching method that sends of mobile communication system air interface signaling and data guarantees that user terminal can receive signaling or data, and described method comprises:
(1) initialization, the configuration common signal channel is to wait for the transmission of signaling and/or data;
(2) judged whether that downlink signaling and/or data need to send,, otherwise continued to wait for the arrival of signaling and/or data, be sent completely the back process ends in all signalings and/or data if having then enter step (3);
(3) judge whether this user terminal has been configured discontinuous reception, and judge according to the ability of this user terminal whether this user terminal can't receive forward access channel when being in discontinuous receiving state, if then enter step (5), otherwise enter step (4);
(4) directly send signaling and/or data, enter step (2) after being sent completely;
(5) judge whether user terminal can receive forward access channel in the current time interval, if then enter step (6), otherwise enters step (7);
(6) beginning sends signaling and/or data on forward access channel, enters step (2) after being sent completely;
(7) postpone to enter step (5) behind a Transmission Time Interval.
2. the dispatching method that mobile communication system air interface signaling according to claim 1 and data send is characterized in that in the described method, user terminal is in discontinuous receiving state and comprises that user terminal carries out different-frequency measure and/or isosystem measurement.
3. the dispatching method that mobile communication system air interface signaling according to claim 1 and data send is characterized in that described current time interval is in a current time Transmission Time Interval in the near future.
4. the dispatching method that mobile communication system air interface signaling according to claim 1 and data send is characterized in that in the step (7), described Transmission Time Interval is the timing length of timer.
5. the dispatching patcher that sends of mobile communication system air interface signaling and data guarantees that user terminal can receive signaling or data, and described system comprises:
Initialization unit, the configuration common signal channel is to wait for the transmission of signaling and/or data;
First judging unit has judged whether that signaling and/or data need to send;
Second judging unit judges whether user terminal has been configured discontinuous reception, and judges according to the ability of this user terminal whether this user terminal can't receive forward access channel when being in discontinuous receiving state;
Direct transmitting element goes out user terminal in described second judgment unit judges and does not dispose and can receive under the situation of forward access channel when discontinuous reception or user terminal are being in discontinuous receiving state, directly sends signaling and/or data;
The 3rd judging unit, go out user terminal in described second judgment unit judges and disposed discontinuous reception and when user terminal is being in discontinuous receiving state, can't receive under the situation of forward access channel, judge whether user terminal is in discontinuous receiving state in the current time interval;
The forward access channel transmitting element goes out in described the 3rd judgment unit judges that user terminal is not under the situation of discontinuous receiving state in the current time interval, sends signaling and/or data on forward access channel;
Delay cell goes out in described the 3rd judgment unit judges that user terminal is under the situation of discontinuous receiving state in the current transmission time interval, postpones to continue to enter the 3rd judging unit behind the Transmission Time Interval and handles.
6. the dispatching patcher that mobile communication system air interface signaling according to claim 5 and data send is characterized in that described current time interval is from a current time Transmission Time Interval in the near future.
7. the dispatching patcher that mobile communication system air interface signaling according to claim 5 and data send is characterized in that described delay cell is provided with a timer, and regularly a duration is a Transmission Time Interval.
8. the dispatching patcher that mobile communication system air interface signaling according to claim 5 and data send is characterized in that described user terminal is in discontinuous receiving state and comprises that user terminal carries out different-frequency measure and/or isosystem measurement.
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Application publication date: 20080514 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xinji Lease (Tianjin) Co.,Ltd. Contract record no.: 2018990000196 Denomination of invention: Method and system for scheduling air interface signaling and data transmission of mobile communication system Granted publication date: 20110810 License type: Exclusive License Record date: 20180801 |
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Effective date of registration: 20221019 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 300456 1-1-1802-7, north area of financial and Trade Center, No. 6865, Asia Road, Tianjin pilot free trade zone (Dongjiang Bonded Port Area) Patentee before: Xinji Lease (Tianjin) Co.,Ltd. |