CN101873635B - Uplink transmission method of packet service data, movable station and communication system - Google Patents

Uplink transmission method of packet service data, movable station and communication system Download PDF

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Publication number
CN101873635B
CN101873635B CN 201010214496 CN201010214496A CN101873635B CN 101873635 B CN101873635 B CN 101873635B CN 201010214496 CN201010214496 CN 201010214496 CN 201010214496 A CN201010214496 A CN 201010214496A CN 101873635 B CN101873635 B CN 101873635B
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usf
tbf
network side
idle condition
grouped channels
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CN101873635A (en
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杨凯
廖军华
林捷
张岩强
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Huawei Technologies Co Ltd
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Abstract

The invention relates to an uplink transmission method of packet service data. The method comprises the following steps of: receiving a USF (Uplink scheduling Flag) from a network side by an MS (Movable Station); confirming whether the received USF indicates a packet channel occupied by an uplink TBF (Temporary Block Flow) connection is in an idle state or not; and sending the packet service data to the network side through the uplink TBF connection by the MS if the received USF indicates that the packet channel occupied by the uplink TBF connection is in the idle state and the MS has the packet service data to be sent. By the technical scheme, for the uplink packet service data to be sent, the MS can actively send the uplink packet service data without waiting for network scheduling so that the channel resources are fully utilized, and the time delay for sending the uplink packet service data is reduced.

Description

The uplink sending method of grouping busihess data, travelling carriage and communication system
Technical field
The present invention relates to wireless communication technology field, particularly a kind of sending method, travelling carriage and communication system of upstream packet business upstream data.
Background technology
Current, GPRS (General Packet Radio Service, GPRS) technology is widely applied in cordless communication network.GPRS network has realized grouping busihess data transmission end to end by packet switching (PacketSwitch) technology, for the user provides the more COS of horn of plenty, as web page browsing, file download and game on line etc.
Temporary Block Flow TBF (Temporary Block Flow; TBF) be in Packet Service; travelling carriage (Mobile Station; MS) and the connection between network side; MS and network side transmit grouping busihess data by TBF; TBF can take one or more grouped channels usually, and a grouped channels can be multiplexing by a plurality of TBF.Up TBF is dispatched by network side, and network side identifies USF (Uplink Schedule Flag, USF) by uplink scheduling, and instruct MS can send the upstream packet business datum at the grouped channels of next scheduling time; Usually USF is included in to divide in downlink data block and gives each MS.
At global system for mobile communications GSM (Global System for Mobile Communications, GSM) in system, the figure place of USF is 3 bits, when USF=7 (free), the expression network side does not carry out uplink scheduling, the uplink scheduling that this USF is corresponding is in idle condition constantly, and MS can not send the upstream packet business datum constantly at uplink scheduling corresponding to this USF.
In prior art, in the transmitting procedure of grouping busihess data, the CV that network side carries according to the MS side (countdown value, CV) information judges that whether the MS side also has data will send to network side, if having, dispatches by USF.When the CV of all MS information all equaled 0, network side may not carry out uplink scheduling, and perhaps network side carries out the blindness scheduling.
Inventor's discovery, above-mentioned scheduling scheme efficient is lower.
Summary of the invention
An aspect of of the present present invention provides a kind of uplink sending method of grouping busihess data, comprising:
Mobile station MS receives the uplink scheduling sign USF from network side;
The USF that determine to receive the whether temporary up-link block flow TBF of instruct MS connects shared grouped channels and is in idle condition;
If the up TBF of the USF that receives indication connects shared grouped channels and is in idle condition, and MS has and needs the grouping busihess data that sends, MS to connect to network side by up TBF to send grouping busihess data.
Another aspect of the present invention provides a kind of mobile station MS, comprising:
Receiver module is used for receiving the uplink scheduling sign USF from network side;
Determination module, be used for to determine USF that receiver module receives whether the temporary up-link block flow TBF of instruct MS connect shared grouped channels and be in idle condition;
Sending module is that the up TBF of USF indication that receives connects the grouped channels that takies and is in idle condition if be used for definite result of determination module, and MS has and need the grouping busihess data that sends, connects to network side by up TBF to send grouping busihess data.
Another aspect of the present invention also provides a kind of communication system, comprises network side and above-mentioned mobile station MS;
This network side is used for, and when the shared grouped channels of the temporary up-link block flow TBF of MS connection is in idle condition, sends to MS the USF that the indication grouped channels is in idle condition.
Above-mentioned technical scheme, if MS has the upstream packet business datum to need to send, can need not to wait for the scheduling of network, and after receiving indication grouped channels is in the USF of idle condition, directly send the upstream packet business datum, thereby can reduce the time delay that the upstream packet business datum sends, take full advantage of Internet resources.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, does not consist of limitation of the invention.
The method flow schematic diagram that Fig. 1 provides for the embodiment of the present invention 1;
The method flow schematic diagram that Fig. 2 provides for the embodiment of the present invention 2;
Fig. 3 is a kind of application scenarios of the embodiment of the present invention 2.
The method flow schematic diagram that Fig. 4 provides for the embodiment of the present invention 3;
The apparatus structure schematic diagram that Fig. 5 provides for the embodiment of the present invention 4;
The apparatus structure schematic diagram that Fig. 6 provides for the embodiment of the present invention 5.
Embodiment
Make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the embodiment of the present invention is described in further details.At this, illustrative examples of the present invention and explanation thereof are used for explanation the present invention, but not as a limitation of the invention.
Embodiment 1
See also Fig. 2, Fig. 2 comprises the steps: for the method flow schematic diagram that an embodiment provides
Step S201: mobile station MS receives the uplink scheduling sign USF from network side.
Step S202: the USF that determine to receive the whether temporary up-link block flow TBF of instruct MS connects the grouped channels that takies and is in idle condition.
If connecting the grouped channels that takies, the TBF of USF instruct MS is in idle condition, execution in step S203.
Step S203: be in idle condition if the up TBF of the USF that receives indication connects the grouped channels that takies, and MS has and needs the grouping busihess data that sends, MS to connect to network side by up TBF to send grouping busihess data.
USF is that network side is used to dispatch the sign that next scheduling of MS sends the upstream packet business datum constantly, sends to MS by current scheduling downlink data block constantly.
If next scheduling of MS does not constantly need the upstream packet business datum that sends, network side is set to free value with the value of the USF that carries in current scheduling downlink data block constantly, represent that next scheduling corresponding to this USF sends the upstream packet business datum without MS constantly, the TBF of MS connects the grouped channels that takies and is in idle condition.As an example, this free value can be 7.
If MS has new grouping busihess data to need to send, whether the value of the USF that detection receives indicates TBF to connect the grouped channels that takies is in idle condition, if grouped channels is in idle condition, this MS can initiatively send the upstream packet business datum to network side, and need not to wait for the scheduling of network side.
In the present embodiment, grouping busihess data refer to TBF that carry with data traffic aided.
Further, the method that the present embodiment provides can also comprise step 204.When step 202 judgement USF indication grouped channels is occupied, execution in step 204.
Step S204 judges the whether value of corresponding MS of value that USF carries, and if so, execution in step S205, send ascending packet data, and if not, execution in step 201.
The method that the present embodiment provides, when MS detects TBF that USF indicates this MS and connects the grouped channels take and be in idle condition, if MS has the upstream packet business datum to need to send, can need not to wait for the scheduling of network, and initiatively send the upstream packet business datum, thereby can take full advantage of channel resource, reduce the time delay that upstream data sends.
Further, the method that the present embodiment provides can also be applied to be in the MS of delayed release state, when having new needs to send grouping busihess data with the MS that reduces the delayed release state, reduces transmission delay.
Embodiment 2
See also Fig. 2, Fig. 2 comprises the steps: for the method flow schematic diagram that another embodiment provides
Step 301:MS sets up up TBF with network side and is connected.
When MS has the upstream packet business datum that need to send to network side, need to set up up TBF with network side and be connected.
A TBF connects shared channel resource, can be shared by a plurality of MS.Network side distributes a sign for each MS, and the up TBF that carries this sign scheduling MS by USF connects.This USF sign can connect the data block that sends by descending TBF and carry.
Step 302: network side arranges USF in downlink data block, and the up TBF that dispatches each MS connects.
Different MS has different USF signs, and network side connects by the up TBF that each MS of this sign scheduling is set in USF.And MS monitors the USF from network side, if monitor the USF that the USF of network side is oneself, to uplink scheduling that should USF constantly, connects by up TBF and sends the upstream packet business datum.
Step 303: after grouping busihess data sent, MS entered up delayed release state.
Enter the MS of delayed release state, its TBF connects will be in inactive pattern, and the TBF that is under this state connects, and can only need the less conservation of resources.
Step 304: when not needing the TBF that dispatches to connect, putting USF when network side sends downlink data block is free value.
As, when multiplexing all TBF connections at same channel, the upstream packet business datum that all need not send, this grouped channels is in idle condition, and network side is free value at the mid-USF of downlink data block.
And this free value can be 7.Other value can certainly be set, depend on the regulation of agreement.
Step 305: MS has new grouping busihess data to send under the delayed release state, and the USF that receives simultaneously is free value, initiatively sends the upstream packet business datum.
For example, under the delayed release state, a USF value that receives as MS initiatively sends the upstream packet business datum during for free value.
Perhaps, when the value of the USF more than 2 that receives continuously as MS all is free value, just send the upstream packet business datum, avoid a plurality of MS to send data simultaneously and cause collision.In an embodiment, the USF more than 2 refers to more than or equal to 2 USF.
And MS can send the upstream packet business datum constantly in scheduling corresponding to the USF that receives free value; Perhaps, be free value if receive a plurality of USF, an in the end scheduling corresponding to USF sends the upstream packet business datum constantly.
In order to further illustrate the above embodiments, please participate in Fig. 3, Fig. 3 has provided a kind of concrete application scenarios of the present embodiment:
At same grouped channels, multiplexing 3 up users' MS (MS1, MS2 and MS3), the value of its USF is respectively Isosorbide-5-Nitrae, and 5; And if USF=7 represents idle condition, these 3 MS all need to send without grouping busihess data.
Each MS sends the upstream packet business datum according to the scheduling of network side.For example, when USF=4, MS2 sends uplink data block Block1, Block2 and Block6 constantly at the uplink scheduling of correspondence; During USF=1, MS1 sends uplink data block Block3 and Block8 constantly at the uplink scheduling of correspondence.
When each MS sends the upstream packet business datum, each MS will enter the delayed release state.For example, the MS of USF=1, when Block8 was corresponding, upstream data sent, and entered the delayed release state; The MS of USF=4 is in time corresponding to Block6, and upstream data sends, and enters the delayed release state; The MS of USF=5 is in time corresponding to Block5, and upstream data sends, and enters the delayed release state.
In time corresponding to Block9, because having MS, network side to not send the information of upstream packet business datum, USF corresponding to this uplink scheduling moment is set to free value 7, Block10, the scheduling that Block11 is corresponding is constantly also like this.
In the moment corresponding to Block9, each MS does not have the upstream packet business datum, does not send the upstream packet business datum; Still like this during Block10.In the moment corresponding to Block11, the MS of USF=5 has new upstream packet business datum to send, and discovery USF is FREE, initiatively sends the upstream packet business datum in the moment corresponding to Block11.
In the method that the present embodiment provides, MS if only have the grouping busihess data that a MS has needs transmission, can initiatively send grouping busihess data after receiving the USF of indication grouped channels for the free time.
If having, a plurality of MS need to send grouping busihess data, between each MS, same channel resource is used in competition, thereby cause data to send unsuccessfully, network side can be judged the data that MS has needs to upload according to the data that send, and dispatches MS by USF and resends data; Perhaps, if the data head that network side can the resolution data bag can send data according to the message scheduling MS of data head.
The method that the present embodiment provides can reduce the stand-by period that MS under delaying state sends data, has improved efficiency of transmission.
Embodiment 3
Step 401:MS sets up up TBF with network side and is connected.
Step 402: network side connects at the mid-USF dispatching uplink of downlink data block TBF.
Step 403: if the USF of network side setting is the USF of oneself, MS is sending uplink data block constantly to uplink scheduling that should USF.
Step 404: after the grouping busihess data of MS sent, network side stopped dispatching this TBF and connects.
Step 405: if the up TBF that need not dispatch connects, putting USF when network side sends downlink data block is free value.
Step 406:MS continues to monitor USF, determines according to USF whether grouped channels is idle.
If the value of 1 USF that MS receives is free value, determine that grouped channels is idle; Perhaps, if the continuous USF value more than 2 that MS receives is free value, determine that grouped channels is idle.
If grouped channels is idle, execution in step 407; Otherwise, execution in step 403.
Step S407: if MS has new grouping busihess data to need to send, the scheduling corresponding at USF sends grouping busihess data constantly.
If MS has new grouping busihess data to send, be the scheduling moment corresponding to free value at USF, initiatively send the upstream packet business datum.If there is no new grouping busihess data, do not send.
For example, 4 USF that are consecutively detected same time slot as MS are free value, and an in the end scheduling corresponding to USF sends the upstream packet business datum constantly.
The method that the present embodiment provides if MS has the data that need transmission, can reduce the stand-by period of MS, does not need the scheduling of network side initiatively to send data, has reduced the stand-by period, has improved efficiency of transmission.
Embodiment 4
The mobile station MS that the present embodiment provides can be used for realizing above-mentioned embodiment of the method, and see also Fig. 5, the apparatus structure schematic diagram for an embodiment provides comprises:
Receiver module 501 is used for receiving the uplink scheduling sign USF from network side.
Determination module 502, whether the USF that is used for definite receiver module 501 receptions indicates the temporary up-link block flow TBF of this MS to connect the grouped channels that takies is in idle condition.
Sending module 503 is in idle condition if the up TBF of the USF that be used for to receive indication connects the grouped channels that takies, and this MS has and need the grouping busihess data that sends, connects to described network side by up TBF to send described grouping busihess data.
Further, this confirms module, specifically can be used for, if the USF that receiver module receives is 1 USF that value is free value from network side, the up TBF that determines MS connects the grouped channels that takies and is in idle condition; Perhaps
If the USF that receiver module receives for from network side more than 2 continuous value be the USF of free value, the up TBF that determines MS connects the grouped channels that takies and is in idle condition.
Under a kind of application scenarios, the USF more than 2 that this receiver module receives can be 4 USF of same time slot.
The MS that the present embodiment provides, when TBF being detected according to USF and connect the channel take and be in idle condition, if there is new grouping busihess data to need to send, after receiving free value USF, can not need the scheduling of network side can initiatively send data, reduce the stand-by period, improved efficiency of transmission.
Embodiment 5
Further, on the basis of above-described embodiment, MS can also comprise, sees also Fig. 6, is the apparatus structure schematic diagram that another embodiment provides, and the MS that the present embodiment provides further comprises:
TBF sets up module 504, is used for setting up up TBF with network side and is connected; And block of state 505, after sending the upstream packet business datum for the up TBF connection of setting up module 504 foundation as this MS by TBF, make this MS enter up delayed release state.
Enter the MS of up delayed release state, its up TBF connects will be in the delayed release state.
And sending module 503, when learning that by block of state 505 MS is in the delayed release state, if the upstream packet business datum that MS has needs transmission detected, after receiver module 501 receives the USF of free value, sending module 503 sets up by TBF the up TBF connection that module 504 is set up, and initiatively sends this upstream packet business datum to network side.
The MS that the present embodiment provides can be after receiving free value USF, and scheduling that should USF is being sent grouping busihess data to network side constantly; If receive the USF of a plurality of free values, the scheduling that the USF of an in the end reception is corresponding sends the upstream packet business datum constantly.
The MS that the present embodiment provides, when being in the delayed release state, the upstream packet business datum that sends if necessary, can need not to wait for the scheduling of network, but initiatively send the upstream packet business datum according to the USF of free value, can take full advantage of channel resource, reduce the time delay that upstream data sends.
Embodiment 6
The present embodiment provides a kind of communication system, comprises the travelling carriage in network side above-described embodiment.
Network side is comprised of base station and base station controller usually.For example, in gsm system, network side comprises base transceiver station and base station controller; In code division multiple access CDMA (Code Division MultipleAccess, CDMA) system, network side comprises base station node B and radio network controller.
In gprs service, the ascending packet data of MS is dispatched by network side, when the shared grouped channels of the temporary up-link block flow TBF of MS connection is in idle condition, sends to described MS the USF that the affiliated grouped channels of indication is in idle condition.And after MS receives this USF, if there is new grouping busihess data to need to send, can initiatively send grouping busihess data to network side.
The system that the present embodiment provides if MS has the data that need transmission, can reduce the stand-by period of MS, has improved efficiency of transmission.
The method that above the disclosed embodiments are described or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps both combination is implemented.Software module can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications 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 (6)

1. the uplink sending method of a grouping busihess data, is characterized in that, comprising:
Mobile station MS is set up temporary up-link block flow TBF with network side at grouped channels and is connected;
Described MS enters up delayed release state after sending the upstream packet business datum by described up TBF connection;
Described MS receives the uplink scheduling sign USF from described network side;
Determine whether the described USF that receives indicates the described up TBF of described MS to connect shared grouped channels and be in idle condition;
If the described up TBF of the USF of described reception indication connects shared grouped channels and is in idle condition, and described MS has and needs the grouping busihess data that sends, described MS to connect to described network side by described up TBF to send described grouping busihess data.
2. the method for claim 1, is characterized in that, whether the USF of described definite reception indicates the up TBF of described MS to connect the grouped channels that takies is in idle condition, comprising:
If the USF of described reception for from 1 USF that value is free value of network side, determines that the up TBF of described MS connects the grouped channels that takies and is in idle condition; Perhaps
If the USF of described reception for from network side more than 2 continuous value be the USF of free value, the up TBF that determines described MS connects the grouped channels that takies and is in idle condition.
3. method as claimed in claim 2, is characterized in that, the USF that described value continuous more than 2 is free value is 4 USF of same time slot.
4. a mobile station MS, is characterized in that, comprising:
Temporary Block Flow TBF is set up module, is used for setting up up TBF with network side at grouped channels and is connected;
Block of state is used for making described MS enter up delayed release state after described MS sends the upstream packet business datum by described up TBF connection;
Receiver module is used for receiving the uplink scheduling sign USF from described network side;
Determination module is used for determining whether the described USF that described receiver module receives indicates the shared grouped channels of up TBF connection of described MS to be in idle condition;
Sending module, if being used for definite result of described determination module and being the described up TBF of USF indication of described reception connects the grouped channels that takies and is in idle condition, and described MS has the grouping busihess data that needs transmission, connects to described network side by described up TBF to send described grouping busihess data.
5. MS as claimed in claim 4, is characterized in that, described determination module specifically is used for, if the USF of described reception for from 1 USF that value is free value of network side, determines that the up TBF of described MS connects the grouped channels that takies and is in idle condition; Perhaps
If the USF of described reception for from network side more than 2 continuous value be the USF of free value, the up TBF that determines described MS connects the grouped channels that takies and is in idle condition.
6. a communication system, is characterized in that, comprises network side and mobile station MS as described in claim 4 or 5;
Described network side is used for, and when the shared grouped channels of the temporary up-link block flow TBF of described MS connection is in idle condition, sends to described MS the uplink scheduling sign USF that the described grouped channels of indication is in idle condition.
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CN101154992A (en) * 2006-09-30 2008-04-02 华为技术有限公司 Method and system for implementing group data transmission

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