CN102056318B - Method and system for triggering transmission of scheduling information by terminal - Google Patents
Method and system for triggering transmission of scheduling information by terminal Download PDFInfo
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- CN102056318B CN102056318B CN200910237221.XA CN200910237221A CN102056318B CN 102056318 B CN102056318 B CN 102056318B CN 200910237221 A CN200910237221 A CN 200910237221A CN 102056318 B CN102056318 B CN 102056318B
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- terminal
- schedule information
- auxiliary carriers
- upstream auxiliary
- deexcitation
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Abstract
The invention provides a method and system for triggering transmission of scheduling information by a terminal. In a wireless communication system, when a high speed packet access (HSPA) technology is used for carrying out data transmission on double carriers, in uplink auxiliary carrier activation/deactivation, the terminal triggers the transmission of the scheduling information. In the invention, by the scheduling information reported by the terminal, a service node B knows the concrete resource utilization condition of the terminal and the information of a buffer area, so that the node B fully utilizes the system resources and terminal power to supply the optimal scheduling matched with the current network performance and terminal interference conditions, thereby realizing the optimal scheduling control.
Description
Technical field
The present invention relates to the schedule information trigger mechanism in wireless communication system, espespecially a kind of High Speed Packet Access, terminal in the time that the enterprising line number of two carrier waves is reportedly sent of adopting in wireless communication system triggers the method and system that schedule information sends.
Background technology
In existing system, schedule information is the reference information of dispatching as most crucial serving node B.Schedule information is positioned at the afterbody of the protocol Data Unit of the medium access control entity of processing enhancement dedicated channel.Schedule information is used to observe the required system resource total amount of terminal and the actual system resource total amount that maybe can use that uses of terminal to serving node B with a better visual angle.
Schedule information sends to serving node B by terminal, and its content is the buffer status renewal value that the new data after enhanced transport format Resource selection process transmit.Fig. 1 is the composition schematic diagram of schedule information frame structure in prior art, and wherein, least significant bit is the rightmost bit in Fig. 1, and highest significant position is the leftmost bit in Fig. 1.As shown in Figure 1, schedule information frame structure comprises following territory:
(1) the Logic Channel Identifier territory of limit priority, length is 4 bits, for identifying clearly the highest priority logical channel of data available.If multiple logic channels all in limit priority, the mark of that logic channel so corresponding report high level cache being taken.
(2) total enhancement type special channel buffer status territory, length is 5 bits, be used for the total amount of the data available of all logic channels of leap that identify radio resource control layer requirement report, indicate the data total amount for transmitting and retransmitting at wireless chain control layer, taking byte as digit.
If configured the medium access control entity of processing enhancement dedicated channel, as medium access control entity i/ medium access control entity is (MAC-i/is), this territory also comprises the data total amount that can be used in MAC-i/is segmentation entity sends so.
When the radio link control entity of medium access control entity and affirmation mode is associated, this territory also comprises the data of the control protocol data cell being sent out, and the data of wireless link control protocol data cell outside wireless link control send window.
In addition sent, but do not confirmed by opposite end entity that in the negative the data of the wireless link control protocol data cell of (NACK) should not be comprised in this territory.
(3) the buffer status territory of the logic channel of limit priority, length is 4 bits, is used in reference to the amount of available data illustrating by the logic channel of the Logic Channel Identifier territory indication of limit priority.
(4) terminal power clear space (be called for short UPH), length is 5 bits, is used in reference to the ratio of the code power that terminal maximum transmit power and corresponding Dedicated Physical Control Channel are shown.
Schedule information in existing system triggers and has following two scenes:
Scene one, equals 0 for authorization of service (SG, Serving Grant), or all mixed automatic retransfer requests (HARQ, Hybrid Automatic Repeat request) process is deactivated.
For scene one, the Event triggered that comprises two kinds of situations and a kind of periodic triggers.A kind of situation event is exactly that buffering area becomes non-NULL, in another kind of situation Event Service cell change and not former link set.Schedule information periodic triggers is that the timer (T-SING, Timer SchedulingInformation) that is zero mandate by schedule information is controlled, and T-SING is configured to MAC by RRC.Once scene one condition generation and TEBS are greater than 0, T-SING and will be activated.Overtime as T-SING, new schedule information transmits and will be triggered.Once scene two occurs, T-SING timer is just stopped and resets.Once schedule information is triggered, the timer of non-vanishing mandate (T-SIG, Timer Scheduling Information-different from) will be restarted.
Scene two, is not equal to 0 and have at least a HARQ process to be activated for SG.
For scene two, the Event triggered that comprises two kinds of situations and a kind of periodic triggers.A kind of situation event be exactly SG very little, in another kind of situation Event Service cell change and not former link set.Schedule information periodic triggers is to be that T-SIG controls by schedule information, and T-SIG is configured to MAC by RRC.Once scene two conditions occur, T-SIG will be activated.Overtime as T-SIG, new schedule information transmits and will be triggered.Once scene one occurs, T-SIG timer is just stopped and resets.Once schedule information is triggered, T-SIG will be restarted.
(be that terminal can send data on two carrier waves when using two ZAP, thereby uplink data rate is doubled) time, to schedule information periodic triggers mechanism of the prior art, current way is, configuration two covers trigger timer, on each carrier wave, have a set of timer: T-SING and T-SIG.T-SIG and T-SING are by network side separate configurations.The T-SIG of two carrier waves shares identical network Configuration Values.The T-SING of two carrier waves shares identical network Configuration Values.But the value between T-SIG and T-SING can be not identical.
The estimation of T-SING is based on carrier wave, and schedule information sends on the carrier wave that triggers this schedule information.The startup of T-SIG is based on carrier characteristics, and, as long as the SG on that carrier wave is not equal to 0 and have at least a process to activate on that carrier wave, the T-SIG that this carrier wave is corresponding is activated.In the time that T-SIG is overtime, if two T-SIG are moving, schedule information will send on two carrier waves.Otherwise schedule information only sends on that overtime carrier wave.If meet scene one on certain carrier wave, T-SIG will be stopped or reset.
For schedule information Event triggered, based on carrier characteristics, schedule information only sends on that carrier wave that triggers schedule information (SI).
In the time using two ZAP to carry out the enhancement type special channel operation of double small district, serving node B can activate and deexcitation upstream auxiliary carriers with High-Speed Shared Control Channel (HS-SCCH) order.Such as, serving node B can based on aerial interference or available resources situation activates or the auxiliary carrier wave of deexcitation.For this situation, network can recognize that terminal is just experiencing activation and deexcitation up-link carrier, recognize that variation has occurred the concrete utilization of resources of terminal certainly, but network is not known the resource utilization that terminal is concrete.Like this, serving node B can not make full use of system resource and terminal power, thereby the optimal scheduling under coupling current network performance and terminal disturbed condition can not be provided, and then can not realize optimal scheduling control.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of terminal to trigger the method that schedule information sends, can make serving node B know terminal resource specifically utilize situation, to make full use of system resource and terminal power, thereby realize optimal scheduling control.
Another object of the present invention is to provide a kind of terminal to trigger the system that schedule information sends, can make serving node B know terminal resource specifically utilize situation, to make full use of system resource and terminal power, thereby realize optimal scheduling control.
For achieving the above object, technical scheme of the present invention is achieved in that
Terminal triggers the method that schedule information sends, and comprising:
In activating upstream auxiliary carriers/deexcitation, terminal triggers the transmission of schedule information.
Describedly in activating upstream auxiliary carriers/deexcitation, be:
When described terminal is received the high-speed shared control channel HS-SCCH order that activates upstream auxiliary carriers;
Or described terminal is received when activating the HS-SCCH order of upstream auxiliary carriers and replying successful response ACK to serving node B;
Or, when described terminal completes with the auxiliary carrier wave uplink synchronous of serving node B;
Or, when described terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers;
Or, when described terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers and is replied ACK to serving node B;
Or described terminal completes while release with the auxiliary carrier wave ascending resource of serving node B.
The transmission that described terminal triggers schedule information comprises:
Described terminal sends schedule information on that carrier wave that triggers schedule information; Or,
If described upstream auxiliary carriers is activated, described terminal sends corresponding schedule information on two carrier waves simultaneously.
Described in activating upstream auxiliary carriers/deexcitation, the transmission that terminal triggers schedule information comprises:
Described terminal receives after the HS-SCCH order of deexcitation upstream auxiliary carriers, on up major-minor carrier wave, sends respectively corresponding schedule information.
Described in activating upstream auxiliary carriers/deexcitation, the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order of deexcitation upstream auxiliary carriers, returns after ACK to serving node B, on up major-minor carrier wave, sends respectively corresponding schedule information.
Described in activating upstream auxiliary carriers/deexcitation, the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order of deexcitation upstream auxiliary carriers, returns to ACK to serving node B, and discharges after the related resource of auxiliary carrier wave, only on main carrier, sends corresponding schedule information.
Described in activating upstream auxiliary carriers/deexcitation, the transmission that terminal triggers schedule information comprises:
Described terminal receives after the HS-SCCH order that activates upstream auxiliary carriers, only on main carrier, sends corresponding schedule information.
Described in activating upstream auxiliary carriers/deexcitation, the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order that activates upstream auxiliary carriers, returns after ACK to serving node B, only on main carrier, sends corresponding schedule information.
Described in activating upstream auxiliary carriers/deexcitation, the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order that activates upstream auxiliary carriers, and terminal activates upstream auxiliary carriers, and after on synchronizeing with serving node B on up direction, sends corresponding schedule information on major-minor carrier wave.
Terminal triggers the system that schedule information sends, and mainly comprises terminal and serving node B, wherein,
Terminal, for receiving the activation/deactivation order from serving node B, carries out the activation/deactivation of upstream auxiliary carriers, in be activated/deexcitation, triggers the transmission of schedule information in upstream auxiliary carriers.
Serving node B, for sending activation/deactivation order to terminal, carries out the activation/deactivation of upstream auxiliary carriers; Receive the schedule information of self terminal.
The technical scheme providing from the invention described above can find out, adopts High Speed Packet Access, in wireless communication system in the time that the enterprising line number of two carrier waves is reportedly sent, and in be activated in upstream auxiliary carriers/deexcitation, terminal triggers the transmission of schedule information.The present invention is by the schedule information of terminal to report, serving node B has been known the concrete resource utilization of terminal and the information of buffering area, make Node B take full advantage of system resource and terminal power, so that the optimal scheduling under coupling current network performance and terminal disturbed condition to be provided, thereby realize optimal scheduling control.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of schedule information frame structure in prior art;
Fig. 2 is the flow chart that terminal of the present invention triggers the method for schedule information transmission;
Fig. 3 is the composition structural representation that terminal of the present invention triggers the system of schedule information transmission;
Fig. 4 is the schematic flow sheet that terminal of the present invention triggers the first embodiment of schedule information transmission;
Fig. 5 is the schematic flow sheet that terminal of the present invention triggers the second embodiment of schedule information transmission;
Fig. 6 is the schematic flow sheet that terminal of the present invention triggers the 3rd embodiment of schedule information transmission;
Fig. 7 is the schematic flow sheet that terminal of the present invention triggers the 4th embodiment of schedule information transmission;
Fig. 8 is the schematic flow sheet that terminal of the present invention triggers the 5th embodiment of schedule information transmission;
Fig. 9 is the schematic flow sheet that terminal of the present invention triggers the 6th embodiment of schedule information transmission.
Embodiment
Fig. 2 is the flow chart that terminal of the present invention triggers the method that schedule information sends, and adopts High Speed Packet Access, in wireless communication system in the time that the enterprising line number of two carrier waves is reportedly sent, and as shown in Figure 2, comprising:
Step 200: in activating upstream auxiliary carriers/deexcitation.
In this step, according to existing procedure, serving node B is by HS-SCCH order, and notification terminal activates or deexcitation upstream auxiliary carriers.The specific implementation process of activating upstream auxiliary carriers or deexcitation here (being expressed as activation/deactivation herein) belongs to technology as well known to those skilled in the art, no longer describes in detail here.
Referring in activating upstream auxiliary carriers/deexcitation of this step:
When terminal is received the HS-SCCH order that activates upstream auxiliary carriers; Or,
Terminal is received when activating the HS-SCCH order of upstream auxiliary carriers and replying successful response (ACK) to serving node B; Or,
When terminal completes with the auxiliary carrier wave uplink synchronous of serving node B; Or,
When terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers; Or,
When terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers and is replied ACK to serving node B; Or,
Terminal completes while release with the auxiliary carrier wave ascending resource of serving node B.
Step 201: terminal triggers the transmission of schedule information.
In this step, terminal can send schedule information on that carrier wave that triggers schedule information; Or,
If upstream auxiliary carriers is activated, on two carrier waves, send corresponding schedule information simultaneously.
For the inventive method, also provide a kind of terminal to trigger the system that schedule information sends, Fig. 3 is the composition structural representation that terminal of the present invention triggers the system of schedule information transmission, as shown in Figure 3, comprises terminal and serving node B, wherein,
Terminal, for receiving the activation/deactivation order from serving node B, carries out the activation/deactivation of upstream auxiliary carriers, in be activated/deexcitation, triggers the transmission of schedule information in upstream auxiliary carriers.
Serving node B, for sending activation/deactivation order to terminal, carries out the activation/deactivation of upstream auxiliary carriers; Receive the schedule information of self terminal.
Below in conjunction with embodiment, different application scene of the present invention is described in detail.
Fig. 4 is the schematic flow sheet that terminal of the present invention triggers the first embodiment of schedule information transmission, the first embodiment has described terminal and has received the HS-SCCH order of deexcitation upstream auxiliary carriers, a kind of implementation that triggers the transmission of schedule information, as shown in Figure 4, comprising:
Step 400: terminal receives after the HS-SCCH order of deexcitation upstream auxiliary carriers, triggers the transmission of SI, and on major-minor carrier wave, send respectively corresponding SI (referring to all send) on main carrier and auxiliary carrier wave.
Fig. 5 is the schematic flow sheet that terminal of the present invention triggers the second embodiment of schedule information transmission, the second embodiment has described terminal and has received the HS-SCCH order of deexcitation upstream auxiliary carriers, the another kind of implementation that triggers the transmission of schedule information, as shown in Figure 5, comprising:
Step 500: terminal receives the HS-SCCH order of deexcitation upstream auxiliary carriers, returns after ACK to serving node B, triggers the transmission of SI, and on major-minor carrier wave, sends respectively corresponding SI.
Fig. 6 is the schematic flow sheet that terminal of the present invention triggers the 3rd embodiment of schedule information transmission, the 3rd embodiment has described terminal and has received the HS-SCCH order of deexcitation upstream auxiliary carriers, the third implementation that triggers the transmission of schedule information, as shown in Figure 6, comprising:
Step 600: terminal receives the HS-SCCH order of deexcitation upstream auxiliary carriers, returns to ACK to serving node B, and discharge after the related resource of auxiliary carrier wave, trigger the transmission of SI, and only on main carrier, send corresponding SI.
Fig. 7 is the schematic flow sheet that terminal of the present invention triggers the 4th embodiment of schedule information transmission, in the 4th embodiment, describe terminal and received the HS-SCCH order that activates upstream auxiliary carriers, a kind of implementation that triggers the transmission of schedule information, as shown in Figure 7, comprising:
Step 700: terminal receives after the HS-SCCH order that activates upstream auxiliary carriers, triggers the transmission of SI, and only send corresponding SI on main carrier.
Fig. 8 is the schematic flow sheet that terminal of the present invention triggers the 5th embodiment of schedule information transmission, the 5th embodiment has described terminal and has received the HS-SCCH order that activates upstream auxiliary carriers, the another kind of implementation that triggers the transmission of schedule information, as shown in Figure 8, comprising:
Step 800: terminal receives the HS-SCCH order that activates upstream auxiliary carriers, returns after ACK to serving node B, triggers the transmission of SI, and only on main carrier, sends corresponding SI.
Fig. 9 is the schematic flow sheet that terminal of the present invention triggers the 6th embodiment of schedule information transmission, the 6th embodiment has described terminal and has received the HS-SCCH order that activates upstream auxiliary carriers, the third implementation that triggers the transmission of schedule information, as shown in Figure 9, comprising:
Step 900: terminal receives the HS-SCCH order that activates upstream auxiliary carriers, terminal activates upstream auxiliary carriers, and after on synchronizeing with serving node B on up direction, triggers the transmission of SI, and on major-minor carrier wave, send corresponding SI.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention, all any amendments of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. terminal triggers the method that schedule information sends, and it is characterized in that, comprising:
In the time using two ZAP to carry out the enhancement type special channel operation of double small district, in activating upstream auxiliary carriers/deexcitation, terminal triggers the transmission of schedule information; Wherein,
Described schedule information at least comprises: buffer information;
Describedly in activating upstream auxiliary carriers/deexcitation, be:
When described terminal is received the high-speed shared control channel HS-SCCH order that activates upstream auxiliary carriers;
Or described terminal is received when activating the HS-SCCH order of upstream auxiliary carriers and replying successful response ACK to serving node B;
Or, when described terminal completes with the auxiliary carrier wave uplink synchronous of serving node B;
Or, when described terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers;
Or, when described terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers and is replied ACK to serving node B;
Or described terminal completes while release with the auxiliary carrier wave ascending resource of serving node B.
2. method according to claim 1, is characterized in that, the transmission that described terminal triggers schedule information comprises:
Described terminal sends schedule information on that carrier wave that triggers schedule information; Or,
If described upstream auxiliary carriers is activated, described terminal sends corresponding schedule information on two carrier waves simultaneously.
3. method according to claim 1, is characterized in that, described in activating upstream auxiliary carriers/deexcitation, and the transmission that terminal triggers schedule information comprises:
Described terminal receives after the HS-SCCH order of deexcitation upstream auxiliary carriers, on up major-minor carrier wave, sends respectively corresponding schedule information.
4. method according to claim 1, is characterized in that, described in activating upstream auxiliary carriers/deexcitation, and the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order of deexcitation upstream auxiliary carriers, returns after ACK to serving node B, on up major-minor carrier wave, sends respectively corresponding schedule information.
5. method according to claim 1, is characterized in that, described in activating upstream auxiliary carriers/deexcitation, and the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order of deexcitation upstream auxiliary carriers, returns to ACK to serving node B, and discharges after the related resource of auxiliary carrier wave, only on main carrier, sends corresponding schedule information.
6. method according to claim 1, is characterized in that, described in activating upstream auxiliary carriers/deexcitation, and the transmission that terminal triggers schedule information comprises:
Described terminal receives after the HS-SCCH order that activates upstream auxiliary carriers, only on main carrier, sends corresponding schedule information.
7. method according to claim 1, is characterized in that, described in activating upstream auxiliary carriers/deexcitation, and the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order that activates upstream auxiliary carriers, returns after ACK to serving node B, only on main carrier, sends corresponding schedule information.
8. method according to claim 1, is characterized in that, described in activating upstream auxiliary carriers/deexcitation, and the transmission that terminal triggers schedule information comprises:
Described terminal receives the HS-SCCH order that activates upstream auxiliary carriers, and terminal activates upstream auxiliary carriers, and after on synchronizeing with serving node B on up direction, sends corresponding schedule information on major-minor carrier wave.
9. terminal triggers the system that schedule information sends, and it is characterized in that, mainly comprises terminal and serving node B, wherein,
Terminal, for in the time using two ZAP to carry out the enhancement type special channel operation of double small district, receive the activation/deactivation order from serving node B, carry out the activation/deactivation of upstream auxiliary carriers, in be activated in upstream auxiliary carriers/deexcitation, trigger the transmission of schedule information;
Serving node B, for sending activation/deactivation order to terminal, carries out the activation/deactivation of upstream auxiliary carriers; Receive the schedule information of self terminal; Wherein,
Described schedule information at least comprises: buffer information;
Describedly in activating upstream auxiliary carriers/deexcitation, be:
When described terminal is received the high-speed shared control channel HS-SCCH order that activates upstream auxiliary carriers;
Or described terminal is received when activating the HS-SCCH order of upstream auxiliary carriers and replying successful response ACK to serving node B;
Or, when described terminal completes with the auxiliary carrier wave uplink synchronous of serving node B;
Or, when described terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers;
Or, when described terminal is received the HS-SCCH order of deexcitation upstream auxiliary carriers and is replied ACK to serving node B;
Or described terminal completes while release with the auxiliary carrier wave ascending resource of serving node B.
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| CN103369697B (en) * | 2012-04-09 | 2018-07-06 | 中兴通讯股份有限公司 | A kind of secondary carrier activation of multicarrier and anti-activating method and device |
| CN102724715B (en) * | 2012-06-08 | 2016-08-03 | 华为技术有限公司 | The control method of a kind of auxiliary carrier wave, control equipment and mobile communication system |
| JP6518402B2 (en) * | 2013-02-18 | 2019-05-22 | 株式会社Ｎｔｔドコモ | Base station and method |
| JP6162973B2 (en) * | 2013-02-18 | 2017-07-12 | 株式会社Ｎｔｔドコモ | User apparatus, base station and method |
| CN104581895A (en) * | 2013-10-15 | 2015-04-29 | 中兴通讯股份有限公司 | Power control method and system as well as related equipment |
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