CN100450098C - Method and apparatus for raising data transmission performance - Google Patents
Method and apparatus for raising data transmission performance Download PDFInfo
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- CN100450098C CN100450098C CNB2006101093494A CN200610109349A CN100450098C CN 100450098 C CN100450098 C CN 100450098C CN B2006101093494 A CNB2006101093494 A CN B2006101093494A CN 200610109349 A CN200610109349 A CN 200610109349A CN 100450098 C CN100450098 C CN 100450098C
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Abstract
A method for raising data transmission performance includes receiving command to delete intensified special channel E-DCH by base station node B and carrying out detection on E-DCH to be deleted, utilizing E-DCH link to be deleted to send data to RNC then deleting said E-DCH when data being sent successfully to node B by mobile terminal but not being sent to radio network controller RNC by node B yet is detected out that it is existed on E-DCH link. The device for realizing said method is also disclosed.
Description
Technical field
The present invention relates to High Speed Uplink Packet and insert (HSUPA, high speed uplink packetaccess) technology, relate in particular to a kind of method and device that improves data transmission performance.
Background technology
The HSUPA technology is 3rd Generation Partnership Project (3GPP, 3rd Generation MobileCommunications System) a kind of new technology that improves uplink speed of in the R6 agreement, introducing, it adopts up fast dispatch, the physical mixed of base station (Node B) to retransmit (HARQ automatically, Hybrid Automatic Retransmission Quest) and series of key techniques such as the short frame transmission of 2ms, realized the high speed data transfer on the up link.
With Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wide-band Code Devision Multiple Access) R99 compares, increased a new dedicated transmission channel in the HSUPA technology, promptly the dedicated channel of Zeng Qianging (E-DCH, Enhanced-Dedicated Channel) is come the transmission of high speed uplink packet access business.In order to realize professional quick and correct transmission to HSUPA, in HSUPA, defined a kind of packet retransmission mechanism of physical layer, be HARQ, the re-transmission of packet is directly carried out between portable terminal and Node B, Node B can send the ACK/NACK signaling to portable terminal by air interface after receiving the packet that portable terminal sends, if the packet that receives correctly then send ack signal, if the packet error that receives just sends the NACK signal, portable terminal can resend the packet of error of transmission rapidly by the indication of ACK/NACK.
If but on the E-DCH link of having set up, after portable terminal successfully sends the data to Node B, and Node B does not send to the data that received radio network controller (RNC as yet, Radio Network Controller) time, Node B has received the instruction with this E-DCH link circuit deleting, in the prior art, Node B can be directly with this link circuit deleting, this part data that does not then send to RNC on this E-DCH link as yet can go out the situation of active, because received ack signal at portable terminal this moment, so the re-transmission of HARQ thinks that just network side has correctly received data, can not restart re-transmission, even if this part data at last can be by the control of the Radio Link under the RNC (RLC, Radio Link Control) layer detects and retransmits, but because the re-transmission of RLC relates to RLC signaling and Iub interface transmission, back off time surpasses 100ms, therefore increase propagation delay time, reduced the performance of transfer of data.
Summary of the invention
In view of this, one aspect of the present invention provides a kind of method that improves data transmission performance, can improve the performance of transfer of data.
The present invention provides a kind of device that improves data transmission performance on the other hand, can improve the performance of transfer of data.
The method of raising data transmission performance provided by the invention is achieved by following technical solution:
This method comprises:
Base station node B receives the instruction of the dedicated channel E-DCH link of deletion enhancing, the E-DCH link that will delete is detected, on detecting this E-DCH link, exist portable terminal successfully to send to Node B but Node B when not sending to the data of radio network controller (RNC) as yet, these data are sent to RNC by the E-DCH link that will delete, delete described E-DCH link.
Preferably, this method further comprises: do not exist portable terminal successfully to send to Node B on detecting this E-DCH link but Node B when not sending out the data of RNC as yet, delete described E-DCH link.
Wherein, the described data that exist Node B not send to RNC as yet on this E-DCH link that detect are: Node B detects and has the data of transmitting by described E-DCH link in self the buffer unit.
Wherein, Node B receives before the instruction of deletion E-DCH link, further comprises: RNC is carried at the E-DCH link information that will delete in the application protocol NBAP message of Node B indication to Node B.
The device of raising data transmission performance provided by the invention is achieved by following technical solution:
This device comprises: downlink signaling receiver module, upstream data processing module and processor controls,
Described downlink signaling receiver module is used to receive the instruction of deletion E-DCH link, therefrom parses the E-DCH link information that will delete and sends to processor controls;
Described upstream data processing module, be used to receive the notice of the detection E-DCH link data that comes from processor controls, on detecting the E-DCH link that to delete, exist portable terminal successfully to send to Node B but Node B when not sending to the data of RNC as yet, these data are sent to RNC by the E-DCH link, and return the information of to delete to processor controls;
Described processor controls, be used to receive the E-DCH link information that will delete that comes from the downlink signaling receiver module, send the notice that detects this link data to the upstream data processing module then, and receive the deleted information that the upstream data processing module is returned, according to this information of can deleting the E-DCH link that will delete is carried out deletion action.
Preferably, described upstream data processing module is further used for: do not exist portable terminal successfully to send to Node B on detecting the E-DCH link that will delete but Node B when not sending to the data of RNC as yet, return the information of can deleting to processor controls.
Wherein, described upstream data processing module comprises: upstream data receiving element, upstream data buffer unit,
Described upstream data receiving element is used for the data that mobile terminal receive sends over from the E-DCH link, and exports to the upstream data buffer unit;
Described upstream data buffer unit is used for the data that buffer memory upstream data receiving element is exported; Receive the notice of the detection E-DCH link data that processor controls sends, exist when using the data that this link transmits, these data are sent to RNC by the E-DCH link, and return the information of to delete to processor controls when detecting.
Preferably, described upstream data buffer unit is further used for: do not exist when using the data that the E-DCH link that will delete transmits when detecting, return the information of can deleting to processor controls.
From such scheme as can be seen, Node B is after the instruction that receives deletion E-DCH link among the present invention, at first detect and whether exist portable terminal successfully to send to Node B on this E-DCH link but Node B does not send to the data of RNC as yet, if have, then Node B is before carrying out deletion, these data are sent to RNC earlier, and then with this E-DCH link circuit deleting.Thereby before the E-DCH link is deleted, the data that successfully do not send to RNC on this link are sent, improved the performance of transfer of data, the time delay when having avoided loss of data and follow-up RLC to retransmit.
In addition, before to the E-DCH link circuit deleting, detect link and first sending link among the present invention, can also guarantee in data transmission procedure, can not be subjected to the influence of link circuit deleting by increasing, thereby improved the performance of transfer of data, guaranteed to be quality of services for users (Qos).
Description of drawings
Fig. 1 improves the method flow diagram of data transmission performance for the embodiment of the invention.
Fig. 2 improves the structure drawing of device of data transmission performance for the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in more detail below in conjunction with embodiment and accompanying drawing.
Basic thought of the present invention is: before deletion E-DCH link, at first detect and whether exist portable terminal successfully to send to Node B on this E-DCH link but Node B does not send to the data of RNC as yet, if have, then Node B sends to RNC with these data earlier, and then with this E-DCH link circuit deleting.
Following elder generation is elaborated to the method that the present invention improves data transmission performance in conjunction with the embodiments.
Referring to Fig. 1, Fig. 1 improves the method flow diagram of data transmission performance for the embodiment of the invention.This flow process comprises the steps:
The introducing of HSUPA makes ascending idle port speed be increased dramatically, the thing followed is that the traffic demand of up Iub interface increases, therefore a upstream data buffer unit can be set on Node B, be used for the upstream data that temporary transient storage is carried on the user on the HSUPA.Whether in this step, detecting has portable terminal successfully to send to Node B but Node B does not send to the data of RNC as yet is on this E-DCH link: detect in the upstream data buffer unit of Node B whether have the data of using this link to transmit.
In this step, the data that the E-DCH link that Node B will delete use in the buffer unit transmits send by this E-DCH link, afterwards with this link circuit deleting.
So far, the flow process of this method embodiment finishes.
The device that in conjunction with the embodiments the present invention is improved data transmission performance again is elaborated below.
Referring to Fig. 2, Fig. 2 improves the structure drawing of device of data transmission performance for the embodiment of the invention.This device is arranged among the Node B, as shown in the figure, comprising: upstream data processing module, processor controls and downlink signaling receiver module.
Wherein, the upstream data processing module is used under the control of processor controls, the data that mobile terminal receive sends over from the E-DCH link, and the data that received are sent to RNC; And according to the notice of the detection E-DCH link data that comes from processor controls that receives, whether detect has portable terminal successfully to send to Node B on the E-DCH link that will delete but Node B does not send to the data of RNC as yet, if have, then the upstream data processing module sends these data earlier by the E-DCH link, returns the information of can deleting to processor controls again; If no, then directly return the information of to delete to processor controls.
The downlink signaling receiver module is used under the control of processor controls, receives the NBAP message that carries deletion E-DCH link information that comes from RNC, therefrom parses the E-DCH link information that will delete and sends to processor controls.
Processor controls is used to finish the control to upstream data processing module and downlink data processing module.Reception comes from the E-DCH link information that will delete of downlink signaling receiver module, send the notice that detects this link data to the upstream data processing module then, and receive the deleted information that the upstream data processing module is returned, according to this information of can deleting the E-DCH link that will delete is carried out deletion action.
Wherein, the upstream data processing module comprises: upstream data receiving element and upstream data buffer unit.
The upstream data receiving element is used under the control of processor controls, the data that mobile terminal receive sends over from the E-DCH link, and export to the upstream data buffer unit;
The upstream data buffer unit is used for the data of buffer memory upstream data receiving element output, and under the control of processor controls, data is sent to RNC by the E-DCH link; Receive the notice of the detection E-DCH link data of processor controls transmission, detect whether there are the data of using this link to transmit,, then earlier these data are sent by the E-DCH link, return the information of to delete to processor controls again if having; If no, then directly return the information of to delete to processor controls.
From above-mentioned two embodiment as seen, before deletion E-DCH link, by having increased detection link and first sending link, thereby guaranteed reliability of data transmission among the present invention, improved the performance of transfer of data, made transfer of data not be subjected to the influence of link circuit deleting.
The various embodiments described above are a kind of displaying of inventive concept, and non-limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1, a kind of method that improves data transmission performance is characterized in that, this method comprises:
Base station node B receives the instruction of the dedicated channel E-DCH link of deletion enhancing, the E-DCH link that will delete is detected, on detecting this E-DCH link, exist portable terminal successfully to send to Node B but Node B when not sending to the data of radio network controller (RNC) as yet, these data are sent to RNC by the E-DCH link that will delete, delete described E-DCH link.
2, the method for claim 1 is characterized in that, this method further comprises: do not exist portable terminal successfully to send to Node B on detecting this E-DCH link but Node B when not sending to the data of RNC as yet, delete described E-DCH link.
3, the method for claim 1 is characterized in that, the described data that exist Node B not send to RNC as yet on this E-DCH link that detect are: Node B detects and has the data of transmitting by described E-DCH link in self the buffer unit.
4, the method for claim 1 is characterized in that, Node B receives before the instruction of deletion E-DCH link, further comprises: RNC is carried at the E-DCH link information that will delete in the application protocol NBAP message of Node B indication to Node B.
5, a kind of device that improves data transmission performance is characterized in that, this device comprises: downlink signaling receiver module, upstream data processing module and processor controls,
Described downlink signaling receiver module is used to receive the instruction of deletion E-DCH link, therefrom parses the E-DCH link information that will delete and sends to processor controls;
Described upstream data processing module, be used to receive the notice of the detection E-DCH link data that comes from processor controls, on detecting the E-DCH link that to delete, exist portable terminal successfully to send to Node B but Node B when not sending to the data of RNC as yet, these data are sent to RNC by the E-DCH link, and return the information of to delete to processor controls;
Described processor controls, be used to receive the E-DCH link information that will delete that comes from the downlink signaling receiver module, send the notice that detects this link data to the upstream data processing module then, and receive the deleted information that the upstream data processing module is returned, according to this information of can deleting the E-DCH link that will delete is carried out deletion action.
6, device as claimed in claim 5, it is characterized in that, described upstream data processing module is further used for: do not exist portable terminal successfully to send to Node B on detecting the E-DCH link that will delete but Node B when not sending to the data of RNC as yet, return the information of can deleting to processor controls.
As claim 5 or 6 described devices, it is characterized in that 7, described upstream data processing module comprises: upstream data receiving element, upstream data buffer unit,
Described upstream data receiving element is used for the data that mobile terminal receive sends over from the E-DCH link, and exports to the upstream data buffer unit;
Described upstream data buffer unit is used for the data that buffer memory upstream data receiving element is exported; Receive the notice of the detection E-DCH link data that processor controls sends, exist when using the data that this link transmits, these data are sent to RNC by the E-DCH link, and return the information of to delete to processor controls when detecting.
8, device as claimed in claim 7 is characterized in that, described upstream data buffer unit is further used for: do not exist when using the data that the E-DCH link that will delete transmits when detecting, return the information of can deleting to processor controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101093494A CN100450098C (en) | 2006-08-10 | 2006-08-10 | Method and apparatus for raising data transmission performance |
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| CNB2006101093494A CN100450098C (en) | 2006-08-10 | 2006-08-10 | Method and apparatus for raising data transmission performance |
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| CN1889534A CN1889534A (en) | 2007-01-03 |
| CN100450098C true CN100450098C (en) | 2009-01-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101426254B (en) | 2007-10-31 | 2010-12-08 | 华为技术有限公司 | Method, apparatus and system for information transmission implementation |
| CN101426253B (en) | 2007-10-31 | 2013-08-07 | 华为技术有限公司 | Method, apparatus and system for information transmission implementation |
| CN106304353B (en) * | 2015-05-29 | 2020-06-05 | 中兴通讯股份有限公司 | Reconstruction method and device of common enhanced dedicated channel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004034656A2 (en) * | 2002-10-07 | 2004-04-22 | Golden Bridge Technology, Inc. | Enhanced uplink packet transfer |
| CN1610421A (en) * | 2003-10-21 | 2005-04-27 | 华为技术有限公司 | Method for deleting radio link |
| CN1784078A (en) * | 2004-11-30 | 2006-06-07 | 日本电气株式会社 | Active set selection method for determining cells to be deleted from an active set based on the reception state of an uplink high-speed signal |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004034656A2 (en) * | 2002-10-07 | 2004-04-22 | Golden Bridge Technology, Inc. | Enhanced uplink packet transfer |
| CN1610421A (en) * | 2003-10-21 | 2005-04-27 | 华为技术有限公司 | Method for deleting radio link |
| CN1784078A (en) * | 2004-11-30 | 2006-06-07 | 日本电气株式会社 | Active set selection method for determining cells to be deleted from an active set based on the reception state of an uplink high-speed signal |
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