CN101499874B - Resource scheduling method for high-speed wireless uplink - Google Patents
Resource scheduling method for high-speed wireless uplink Download PDFInfo
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Abstract
The invention provides a high-speed wireless uplink resource scheduling method, which is used for dynamically adjusting a transmission time interval mode of high-speed uplink packet access according to path loss; wherein, the transmission time interval mode comprises a 2ms mode and a 10ms mode. The high-speed wireless uplink resource scheduling method comprises the following steps: 1E/1F measuring objects of user equipments are configured as receiving signal code power, and 1E threshold and 1F threshold are configured; the transmission time interval mode is adjusted according to reported events of the user equipments; wherein, the reported events of the user equipments comprise a 1E event and a 1F event. The high-speed wireless uplink resource scheduling method can switch the HSUPA TTI mode according to the 1E and 1F events reported by the user equipments and lead the TTI mode of HSUPA to be dynamically adjusted between 2ms and 10ms according to path loss.
Description
Technical field
The present invention relates to communication system, relate in particular to a kind of resource scheduling method for high-speed wireless uplink.
Background technology
3GPP is in the R6 version; Introduced the high speed uplink packet access notion of (High-SpeedUplink Packet Access is called for short HSUPA), be different from high speed downlink packet and insert (High-Speed Downlink Packet Access; Be called for short HSDPA) technology; In HSUPA, high-speed wireless uplink (Enhanced uplink Dedicated Channel is called for short EDCH) has 2 kinds of Transmission Time Intervals (Transmission Time Interval; Be called for short TTI) mode of operation is respectively 2ms mode of operation and 10ms mode of operation.The difference of these 2 kinds of mode of operations is mainly reflected on the covering power of sub-district, and is as shown in Figure 1.
The TTI of 2ms can provide higher upstream data rate, and still, this has precondition, and promptly quality of signals must satisfy certain requirement.This is because if at the edge of sub-district, the TTI of 2ms can need higher transmitted power and more descending control signaling.
According to protocol definition, the difference of the TTI of 2ms and 10ms on throughput capabilities is the line of demarcation with 2M bps, and promptly for 10ms TTI, the maximum speed that can support is 2M bps.Generally, the throughput capabilities that HSUPA can provide is relevant with path loss.If path loss is big more, then the throughput capabilities of HSUPA is low more.As shown in Figure 2, it is exactly the measurement of the CPICH Common Pilot Channel received signal code power of (Common PilotChannel is called for short CPICH) (Received Signal CodePower is called for short RSCP) that path loss is the most directly measured.
Yet, in the prior art, can not carry out the dynamic switching of TTI mode of operation, even can switch, also just rely on manual the switching according to throughput.Therefore, need a kind of mode of operation that can dynamically adjust TTI according to path loss.
Summary of the invention
The object of the present invention is to provide a kind of EDCH resource regulating method based on channel quality.The 1E/1F incident that this method reports according to UE is switched the pattern of HSUPA TTI, makes the TTI pattern of HSUPA dynamically between 2ms and 10ms, to adjust according to path loss.
According to the present invention; A kind of resource scheduling method for high-speed wireless uplink is provided; Be used for dynamically adjusting high speed uplink packet according to path loss and insert the Transmission Time Interval mode of operation, wherein, the Transmission Time Interval mode of operation comprises 2ms mode of operation and 10ms mode of operation; This method comprises: the measuring object of configure user equipment 1E/1F is a received signal code power, and configuration 1E thresholding and 1F thresholding; And adjust the Transmission Time Interval mode of operation according to the incident of user equipment to report, wherein, the incident of user equipment to report comprises: 1E incident, 1F incident.
The processing of adjusting the Transmission Time Interval mode of operation according to the incident of user equipment to report is specially: if received signal code power reaches said IE thresholding; User equipment to report 1E incident and UE capability support then are adjusted into 2 with the Transmission Time Interval mode of operation
The ms mode of operation; And if received signal code power reaches the 1F thresholding, user equipment to report 1F incident then is adjusted into the 10ms mode of operation with the Transmission Time Interval mode of operation.
In addition, this method further comprises: pre-configured uplink throughput threshold.
When with the Transmission Time Interval mode of operation when 10ms is revised as 2ms, must satisfy the condition that uplink throughput reaches uplink throughput threshold.
Preferably, uplink throughput threshold is 1.6Mbps.
Preferably, the 1E thresholding is-90dbm.
Preferably, the 1F thresholding is-95dbm.
In addition, when initial condition, distribute corresponding resource according to the Transmission Time Interval of 10ms.
Through technical scheme of the present invention; Dynamically between 2ms and 10ms, adjust TTI according to path loss; Make when path loss increases; Automatically be 10ms with the TTI mode adjustment,, thereby improved system effectiveness with the transmitting power of reduction UE with to other users' interference and the load expense that reduces downlink signaling.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 illustrates the sketch map that the sub-district of the TTI of 2ms and 10ms covers;
Fig. 2 is the relational view that illustrates between path loss and the throughput;
Fig. 3 is the flow chart that illustrates according to resource scheduling method for high-speed wireless uplink of the present invention; And
Fig. 4 is the particular flow sheet that illustrates according to the resource scheduling method for high-speed wireless uplink of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 3 is the flow chart that illustrates according to resource scheduling method for high-speed wireless uplink of the present invention.
With reference to Fig. 3; Resource scheduling method for high-speed wireless uplink according to the present invention is used for dynamically adjusting high speed uplink packet according to path loss and inserts the Transmission Time Interval mode of operation; Wherein, the Transmission Time Interval mode of operation comprises 2ms mode of operation and 10ms mode of operation, and this method comprises: step S302; The measuring object of configure user equipment 1E/1F is a received signal code power, and configuration 1E thresholding and 1F thresholding; And step S304, adjust the Transmission Time Interval mode of operation according to the incident of user equipment to report, wherein, the incident of user equipment to report comprises: 1E incident, 1F incident.
The processing of adjusting the Transmission Time Interval mode of operation according to the incident of user equipment to report is specially: if received signal code power reaches said IE thresholding; User equipment to report 1E incident and UE capability support then are adjusted into 2 with the Transmission Time Interval mode of operation
The ms mode of operation; And if received signal code power reaches the 1F thresholding, user equipment to report 1F incident then is adjusted into the 10ms mode of operation with the Transmission Time Interval mode of operation.
In addition, this method further comprises: pre-configured uplink throughput threshold.
When with the Transmission Time Interval mode of operation when 10ms is revised as 2ms, must satisfy the condition that uplink throughput reaches uplink throughput threshold.
Preferably, uplink throughput threshold is 1.6Mbps.
Preferably, the 1E thresholding is-90dbm.
Preferably, the 1F thresholding is-95dbm.
In addition, when initial condition, distribute corresponding resource according to the Transmission Time Interval of 10ms.
Below, describe embodiments of the invention in detail with reference to Fig. 4.Fig. 4 is the particular flow sheet that illustrates according to the resource scheduling method for high-speed wireless uplink of the embodiment of the invention.
At first, the Transmission Time Interval according to 10ms distributes corresponding resource.
Then, begin the measurement of UE 1E/1F, and measurement and report is configured to the reporting events mode.
Next, the 1E/1F measuring object is configured to RSCP, and configuration 1E thresholding is that a 90dbm and 1F thresholding are-95dbm.
In addition, the collocating uplink throughput threshold is 1.6Mbps.
Then, carry out reporting of measurement report: if the current 1F of reporting incident then is revised as 10ms with TTI; And if the current 1E incident that reports, and uplink throughput then is revised as 2ms with TTI more than or equal to 1.6Mbps.
In sum; The 1E/1F incident that method of the present invention reports according to UE is switched the pattern of HSUPA TTI; Making the TTI pattern of HSUPA dynamically between 2ms and 10ms, to adjust according to path loss, when the loss increase is advanced on the road, is 10ms with the TTI mode adjustment automatically; With the transmitting power of reduction UE with to other users' interference and the load expense that reduces downlink signaling, thus the efficient of raising system.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.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 (7)
1. resource scheduling method for high-speed wireless uplink; Be used for dynamically adjusting high speed uplink packet and insert the Transmission Time Interval mode of operation according to path loss; Wherein, Said Transmission Time Interval mode of operation comprises 2ms mode of operation and 10ms mode of operation, it is characterized in that, said method comprises:
The measuring object of configure user equipment 1E/1F is a received signal code power, and configuration 1E thresholding and 1F thresholding; And
Adjust the Transmission Time Interval mode of operation according to the incident of said user equipment to report; Wherein, The incident of said user equipment to report comprises: 1E incident, 1F incident; The processing of adjusting the Transmission Time Interval mode of operation according to the incident of said user equipment to report is specially: if said received signal code power reaches said 1E thresholding; Said user equipment to report 1E incident and said UE capability support then are adjusted into said 2ms mode of operation with said Transmission Time Interval mode of operation; And if said received signal code power reaches said 1F thresholding, said user equipment to report 1F incident then is adjusted into said 10ms mode of operation with said Transmission Time Interval mode of operation.
2. method according to claim 1 is characterized in that, further comprises: pre-configured uplink throughput threshold.
3. method according to claim 2 is characterized in that, when with said Transmission Time Interval mode of operation when 10ms is revised as 2ms, must satisfy the condition that uplink throughput reaches said uplink throughput threshold.
4. method according to claim 3 is characterized in that, said uplink throughput threshold is 1.6Mbps.
5. according to each described method in the claim 1 to 4, it is characterized in that said 1E thresholding is-90dbm.
6. according to each described method in the claim 1 to 4, it is characterized in that said 1F thresholding is-95dbm.
7. according to each described method in the claim 1 to 4, it is characterized in that, when initial condition, distribute corresponding resource according to the Transmission Time Interval of 10ms.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102026269B (en) * | 2009-09-17 | 2014-08-13 | 中兴通讯股份有限公司 | Optimization method for measuring reporting triggering time parameter and device thereof |
| CN101742567B (en) * | 2009-12-30 | 2012-09-26 | 中兴通讯股份有限公司 | Method and device for ensuring speed of high-speed packet access service |
| CN102740462B (en) * | 2011-04-11 | 2018-01-02 | 国网浙江省电力公司信息通信分公司 | A kind of method and system for handling enhanced dedicated |
| US9629066B2 (en) | 2015-02-24 | 2017-04-18 | Huawei Technologies Co., Ltd. | System and method for transmission time intervals |
| CN106550435A (en) * | 2015-09-17 | 2017-03-29 | 中兴通讯股份有限公司 | A kind of method and apparatus for reducing beep-page message Transmission Time Interval |
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| CN1486575A (en) * | 2001-09-04 | 2004-03-31 | ��˹��ŵ�� | Determination of uplink transfer channel parameter value |
| CN1929676A (en) * | 2005-09-06 | 2007-03-14 | 大唐移动通信设备有限公司 | Method for improving signal transmitting speed |
| CN101005693A (en) * | 2006-01-17 | 2007-07-25 | 华为技术有限公司 | Method for user equipment start service and selecting small area |
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| CN1486575A (en) * | 2001-09-04 | 2004-03-31 | ��˹��ŵ�� | Determination of uplink transfer channel parameter value |
| CN1929676A (en) * | 2005-09-06 | 2007-03-14 | 大唐移动通信设备有限公司 | Method for improving signal transmitting speed |
| CN101005693A (en) * | 2006-01-17 | 2007-07-25 | 华为技术有限公司 | Method for user equipment start service and selecting small area |
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