CN101162976B - Method, system and network side device for establishing downlink temporary data block stream - Google Patents
Method, system and network side device for establishing downlink temporary data block stream Download PDFInfo
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- CN101162976B CN101162976B CN2006100630590A CN200610063059A CN101162976B CN 101162976 B CN101162976 B CN 101162976B CN 2006100630590 A CN2006100630590 A CN 2006100630590A CN 200610063059 A CN200610063059 A CN 200610063059A CN 101162976 B CN101162976 B CN 101162976B
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Abstract
The invention discloses a method for building downlink temporary block flow. The method is that by adding symbolic information to immediate assignment message, an indicating mobile station sends confirmation message of packet control to the network side after receiving the immediate assignment message of the network side. The invention solves the problem that the mobile station cannot make confirmation after receiving the immediate assignment message sent by the network side, because the time advance of the mobile station is unknown in the prior art. The invention also discloses a system for building the downlink temporary block flow and a network side device. The mobile station can still send confirmation message of packet control to the network side after receiving the immediate assignment sent by the network side when the time advance of the mobile station is unknown. The network side can also confirm that the lost message belongs to CCCH or PDCH if some messages are lost in the process.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, system and network side apparatus of setting up downlink temporary data block stream.
Background technology
Progress along with science and technology; People improve constantly the requirement of mobile communication business and quality; So proposed the demand that seamlessly transits to the 3G (Third Generation) Moblie technology; The major technique that in this transient process, adopts has: GPRS (GPRS; General Packet Radio Service), enhanced data rates global mobile communication evolution (EDGE, Enhanced Data Rates for GlobalEvolution), high speed circuit switched data service (HSCSD, High Speed Circuit SwitchedData).
Above-mentioned scheme to the transition of 3G (Third Generation) Moblie technology can provide MBMS data services such as (Multimedia Broadcast/Multicast Service, multimedia broadcast/multi broadcast business) for the user.The appointment of these data services can be travelling carriage (Mobile Station through going up at CCCH CCCH (Common ControlChannel); MS) distribute a plurality of descending radio blocks, travelling carriage receives descending control messages and realizes on a plurality of descending radio blocks.Network side can use grouping downlink to assign flow process to initiate through network side to the descending control messages that the travelling carriage that is in packet idle mode (Packet Idle Mode) sends RLC/MAC (Radio Link Control/MediumAccess Control, the access control of Radio Link control/medium) form.Network side has assigned a plurality of descending to come transmitting RLC/MAC control messages on PDCH (Packet Data Channel, Packet Data Channel).After travelling carriage is supported overloading frequency technology, adopt flow process shown in Figure 1 to set up downlink temporary data block stream and come transmitting data service.In this flow process, the process of setting up of downlink temporary data block stream has adopted the polylith grouping downlink to assign.Wherein, the structure of immediate assignment message can be referring to table 1,
| Type of message | The channel that distributes is described | Polylith is assigned structure | Other field of immediate assignment |
Table 1
As shown in table 1, polylith assigns structure to comprise the zero-time of Temporary Block Flow, the information such as number of allocation block in the immediate assignment message.The PDCH that network side uses the Temporary Block Flow zero-time to indicate and assigns first frame number of assigning to the polylith of travelling carriage, travelling carriage to switch to appointment goes up and descending decoding RLC/MAC control messages to assigning.As shown in Figure 1; In this polylith appointment process because do not know the Timing Advance TA (Timing Advance) of travelling carriage; Upstream data for fear of to the user of adjacent time-slots causes interference, the data block that related protocol regulation travelling carriage can not send the RLC/MAC form; Therefore, travelling carriage can't be confirmed the immediate assignment message that network side sends.In fact, in this case, the grouping control acknowledge message corresponding to the grouping downlink assignment messages among Fig. 1 also can't be sent.At this moment, if information drop-out, network side just can't confirm on the CCCH still to be information drop-out on the PDCH in this flow process.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method, system and network side apparatus of setting up downlink temporary data block stream, do not knowing that travelling carriage still can send the control acknowledge message of dividing into groups to network side under the situation of Timing Advance.
For realizing above-mentioned purpose, the present invention provides a kind of method of setting up downlink temporary data block stream, may further comprise the steps:
Network side sends immediate assignment message to travelling carriage, carries flag information in the said immediate assignment message;
After said travelling carriage received said immediate assignment message, corresponding said flag information sent the control acknowledge message of dividing into groups to said network side;
Said network side sends the grouping downlink assignment messages to said travelling carriage, and is correct if travelling carriage receives, and then sets up downlink temporary data block stream according to said assignment messages.
Said flag information comprises the poll flag information, is used to indicate said travelling carriage on Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information up, to send said grouping control acknowledge message to said network side.
Said flag information also comprises the control acknowledge message type information that divides into groups, and is used to indicate the form of said travelling carriage to the said grouping control acknowledge message of said network side transmission.
Said grouping control acknowledge message type is the access burst form.
Said travelling carriage receives said grouping downlink assignment messages in Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information one or more descending continuous descending.
A kind of network side apparatus comprises the downstream message processing unit, and being used for increases flag information at network side to the immediate assignment message that travelling carriage sends, and said flag information is used to indicate said travelling carriage to send the control acknowledge message of dividing into groups to said network side.
Said flag information comprises the poll flag information, is used to indicate said travelling carriage on Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information up, to send said grouping control acknowledge message to said network side.
Said flag information also comprises the control acknowledge message type information that divides into groups, and is used to indicate the form of said travelling carriage to the grouping control acknowledge message of said network side transmission.
Said grouping control acknowledge message type is the access burst form.
A kind of system that sets up downlink temporary data block stream comprises network side apparatus and travelling carriage,
Said network side apparatus comprises the downstream message processing unit, and being used for increases flag information at network side to the immediate assignment message that said travelling carriage sends, and said flag information is used to indicate said travelling carriage to send the control acknowledge message of dividing into groups to said network side;
Said travelling carriage is used for after the said immediate assignment message that receives said network side transmission, sending said grouping control acknowledge message to said network side, representes that said travelling carriage has correctly received said immediate assignment message.
Said flag information comprises the poll flag information, is used to indicate said travelling carriage on Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information up, to send said grouping control acknowledge message to said network side.
Said flag information also comprises the control acknowledge message type information that divides into groups, and is used to indicate the form of said travelling carriage to the grouping control acknowledge message of said network side transmission.
Said grouping control acknowledge message type is the access burst form.
Said travelling carriage receives said grouping downlink assignment messages in Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information one or more descending continuous descending.
Than prior art; A kind of method, system and network side apparatus of setting up downlink temporary data block stream provided by the invention; When not knowing the Timing Advance of travelling carriage, travelling carriage still can send the control acknowledge message of dividing into groups to network side after receiving the immediate assignment message that network side sends; If information drop-out in flowchart process, occurs, network side also can confirm on the CCCH still to be information drop-out on the PDCH.
Description of drawings
Fig. 1 sets up the flow chart of downlink temporary data block stream for prior art;
Fig. 2 sets up the embodiment flow chart of the method for downlink temporary data block stream for the embodiment of the invention;
Fig. 3 sets up the system configuration sketch map of downlink temporary data block stream for the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer,, embodiment of the present invention is described below in conjunction with the accompanying drawing embodiment that develops simultaneously.
Core of the present invention is: increase flag information at network side to the immediate assignment message that travelling carriage sends, the indication travelling carriage sends to network side in the immediate assignment order back of receiving the network side transmission and divides into groups to control acknowledge message.
More than core of the present invention has been done simple declaration, the method for down setting up downlink temporary data block stream in the face of the embodiment of the invention is set forth in detail.
As shown in Figure 2, the flow process of this method comprises the steps:
Step 201: network side sends immediate assignment message to travelling carriage.
In this step, in immediate assignment message, increase flag information, be used to indicate travelling carriage after receiving immediate assignment message, to send the control acknowledge message of dividing into groups to network side.This flag information comprises the poll sign, is used to indicate travelling carriage on up of the upper and lower capable Temporary Block Flow zero-time of PDCH appointment that network side is assigned, to send the control acknowledge message of dividing into groups to network side.When system message broadcast packe control acknowledge message is used access burst (Access Burst; AB) during the controll block form; Even under the situation of not knowing the travelling carriage Timing Advance, travelling carriage still can send the control acknowledge message of dividing into groups to network side after the immediate assignment message that receives the network side transmission.Because the signal transmission needs a period of time between the base station of network side and the travelling carriage; All travelling carriages of the base station services of a network side should be approximately signal in advance and between base station and travelling carriage, transmit the time that comes and goes and send the wireless burst of oneself, could let the do not influence each other transmission of upward signal of travelling carriage on the different channels.So related protocol regulation travelling carriage in the affirmation message of not knowing can not send under the situation of Timing Advance the RLC/MAC form, can send the access burst controll block of special format.Therefore, travelling carriage is the access burst form of special format to the grouping control acknowledge message that network side sends, and can't cause interference to other users' of adjacent time-slots upstream data.
Can further comprise the control acknowledge message type of dividing into groups at this flag information, be used to indicate the form of travelling carriage to the grouping control acknowledge message of network side transmission.When system message broadcast packe control acknowledge message was used RLC/MAC controll block form, the control acknowledge message of should dividing into groups type was set to the access burst form; Like this, even do not know the Timing Advance of travelling carriage, travelling carriage still can send the control acknowledge message of dividing into groups to network side after the immediate assignment message that receives the network side transmission.Need explanatorily be that this moment, travelling carriage was the access burst form to the grouping control acknowledge message that network side sends.
Need explanatorily be that this poll sign is assigned in the structure with the polylith grouping downlink that the control acknowledge message type information that divides into groups is included in immediate assignment message.
Step 202: travelling carriage sends the control acknowledge message of dividing into groups to network side.
In this step; Travelling carriage is after the immediate assignment message that receives the network side transmission; Send the control acknowledge message of dividing into groups to network side on up of Packet Data Channel PDCH information of in immediate assignment message, carrying and the appointment of downlink temporary data block stream start time information, the expression travelling carriage has correctly received the immediate assignment message that network side sends.
Step 203: travelling carriage receives the grouping downlink assignment messages that network side sends, and sets up downlink temporary data block stream.
In this step, travelling carriage receives the grouping downlink assignment messages in indicated one or more continuous descending of immediate assignment message.Need explanatorily be that this one or more descending continuous descending is that the Packet Data Channel PDCH information and the downlink temporary data block stream start time information that carry in the immediate assignment message are specified.If travelling carriage correctly receives the grouping downlink assignment messages in descending of immediate assignment message indication, then assign and set up the corresponding downstream Temporary Block Flow according to said downlink grouped.
Need explanatorily be, step 202 be can be simultaneous with step 203, and network side need not to wait until that travelling carriage sends the grouping assignment messages to travelling carriage again after network side sends grouping control acknowledge message.
Can find out in the embodiment of the invention, not know that travelling carriage still can be confirmed the immediate assignment that network side sends under the situation of Timing Advance.Therefore, if information drop-out, it still has been the information drop-out on the PDCH that network side just can be known on the CCCH in setting up the downlink temporary data block stream flow process.
The present invention also provides a kind of network side apparatus.
This network side apparatus comprises the downstream message processing unit; Be used for increasing flag information at network side to the immediate assignment message that travelling carriage sends, this flag information is used to indicate travelling carriage after receiving network side transmission immediate assignment message, to send the control acknowledge message of dividing into groups to network side.
This flag information can comprise the poll sign, is used to indicate travelling carriage on up of the upper and lower capable Temporary Block Flow zero-time of PDCH appointment that network side is assigned, to send the control acknowledge message of dividing into groups to network side.When system message broadcast packe control acknowledge message is used access burst controll block form; Even under the situation of not knowing the travelling carriage Timing Advance, travelling carriage still can send the control acknowledge message of dividing into groups to network side after the immediate assignment message that receives the network side transmission.
Can further comprise the control acknowledge message type of dividing into groups at this flag information, be used to indicate the form of travelling carriage to the grouping control acknowledge message of network side transmission.When system message broadcast packe control acknowledge message was used RLC/MAC controll block form, the control acknowledge message of should dividing into groups type was set to the access burst form; Like this, even do not know the Timing Advance of travelling carriage, travelling carriage still can send the control acknowledge message of dividing into groups to network side after the immediate assignment message that receives the network side transmission.
Fig. 3 sets up the system configuration sketch map of downlink temporary data block stream for the embodiment of the invention.
As shown in Figure 3, the system that the embodiment of the invention is set up downlink temporary data block stream comprises network side apparatus and travelling carriage.
Network side apparatus is used for sending downstream assigned message to travelling carriage, and this downstream assigned message comprises immediate assignment message and grouping downlink assignment messages.
This network side apparatus comprises the downstream message processing unit; Be used for increasing flag information at network side to the immediate assignment message that travelling carriage sends, this flag information is used to indicate travelling carriage after the immediate assignment message that receives the network side transmission, to send the control acknowledge message of dividing into groups to network side.
This flag information can comprise the poll sign, is used to indicate travelling carriage on up of the upper and lower capable Temporary Block Flow zero-time of PDCH appointment that network side is assigned, to send the control acknowledge message of dividing into groups to network side.When system message broadcast packe control acknowledge message is used access burst controll block form; Even under the situation of not knowing the travelling carriage Timing Advance, travelling carriage still can send the control acknowledge message of dividing into groups to network side after the immediate assignment message that receives the network side transmission.
Can further comprise the control acknowledge message type of dividing into groups at this flag information, be used to indicate the form of travelling carriage to the grouping control acknowledge message of network side transmission.When system message broadcast packe control acknowledge message was used RLC/MAC controll block form, the control acknowledge message of should dividing into groups type was set to the access burst form; Like this, even do not know the Timing Advance of travelling carriage, travelling carriage still can send the control acknowledge message of dividing into groups to network side after the immediate assignment message that receives the network side transmission.
More than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a method of setting up downlink temporary data block stream is characterized in that, may further comprise the steps:
Network side sends immediate assignment message to travelling carriage, carries flag information in the said immediate assignment message;
After said travelling carriage received said immediate assignment message, corresponding said flag information sent the control acknowledge message of dividing into groups to said network side;
Said network side sends the grouping downlink assignment messages to said travelling carriage, and is correct if travelling carriage receives, and then sets up downlink temporary data block stream according to said grouping downlink assignment messages;
Said flag information comprises the poll flag information; Be used to indicate said travelling carriage on Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information up, to send said grouping control acknowledge message to said network side, said grouping control acknowledge message type is the access burst form.
2. the method for claim 1 is characterized in that,
Said travelling carriage receives said grouping downlink assignment messages in Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information one or more descending continuous descending.
3. a network side apparatus is characterized in that,
Comprise the downstream message processing unit, be used for increasing flag information to the immediate assignment message that travelling carriage sends that said flag information is used to indicate said travelling carriage to send the control acknowledge message of dividing into groups to said network side at network side;
Said flag information comprises the poll flag information; Be used to indicate said travelling carriage on Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information up, to send said grouping control acknowledge message to said network side, said grouping control acknowledge message type is the access burst form.
4. a system that sets up downlink temporary data block stream comprises network side apparatus and travelling carriage, it is characterized in that,
Said network side apparatus comprises the downstream message processing unit, and being used for increases flag information at network side to the immediate assignment message that said travelling carriage sends, and said flag information is used to indicate said travelling carriage to send the control acknowledge message of dividing into groups to said network side;
Said travelling carriage is used for after the said immediate assignment message that receives said network side transmission, sending said grouping control acknowledge message to said network side, representes that said travelling carriage has correctly received said immediate assignment message;
Said flag information comprises the poll flag information; Be used to indicate said travelling carriage on Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information up, to send said grouping control acknowledge message to said network side, said grouping control acknowledge message type is the access burst form.
5. system as claimed in claim 4 is characterized in that,
Said travelling carriage receives the grouping downlink assignment messages in Packet Data Channel PDCH information that said immediate assignment message is carried and the appointment of downlink temporary data block stream start time information one or more descending continuous descending.
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| CN2006100630590A CN101162976B (en) | 2006-10-09 | 2006-10-09 | Method, system and network side device for establishing downlink temporary data block stream |
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| CN2006100630590A CN101162976B (en) | 2006-10-09 | 2006-10-09 | Method, system and network side device for establishing downlink temporary data block stream |
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| CN101162976B true CN101162976B (en) | 2012-01-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002019746A1 (en) * | 2000-08-25 | 2002-03-07 | Motorola, Inc. | Method and apparatus for supporting radio acknowledgement information for a uni-directional user data channel |
| CN1523836A (en) * | 2003-09-05 | 2004-08-25 | 中兴通讯股份有限公司 | A downlink data transmission assignment method in GPRS system |
| CN1842197A (en) * | 1997-03-27 | 2006-10-04 | 诺基亚电信公司 | Resource allocation mechanism in packet radio network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1842197A (en) * | 1997-03-27 | 2006-10-04 | 诺基亚电信公司 | Resource allocation mechanism in packet radio network |
| WO2002019746A1 (en) * | 2000-08-25 | 2002-03-07 | Motorola, Inc. | Method and apparatus for supporting radio acknowledgement information for a uni-directional user data channel |
| CN1523836A (en) * | 2003-09-05 | 2004-08-25 | 中兴通讯股份有限公司 | A downlink data transmission assignment method in GPRS system |
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