CN101014171A - Method for reducing energy consumption of user terminal on idle mode - Google Patents
Method for reducing energy consumption of user terminal on idle mode Download PDFInfo
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- CN101014171A CN101014171A CNA2007100781896A CN200710078189A CN101014171A CN 101014171 A CN101014171 A CN 101014171A CN A2007100781896 A CNA2007100781896 A CN A2007100781896A CN 200710078189 A CN200710078189 A CN 200710078189A CN 101014171 A CN101014171 A CN 101014171A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to one method to send ARM RRC device parameters to DSP to store new measurement values by circle to compute all areas parameters S and parameter H/R value and to rank the H/R order of S>0 to find out signal quality best signals to compare the area CekkDesc and last signal quality one and to judge whether the load signals of best quality signal CellDesc according to results.
Description
Technical field
The present invention relates to the method for a kind of reduction mobile communication system user terminal (abbreviating UE as) energy resource consumption under idle pulley, particularly a kind of method that reduces the user terminal energy resource consumption under idle pulley in the 3-G (Generation Three mobile communication system).
Background technology
In 3-G (Generation Three mobile communication system),, UE is divided for idle pulley and connection mode according to whether having Radio Resource control connection (abbreviating RRC as connects).UE one of most important task under idle pulley is exactly the periodic relevant parameter of measuring Serving cell and adjacent cell, the signal quality of each sub-district of continual monitoring, and initiation sub-district gravity treatment under the situation that condition satisfies, thereby guarantee that UE always resides on the better quality of signal sub-district (being designated hereinafter simply as best cell), improve calling ratio of success or communication quality.
Usually, the UE in the mobile communication system adopts the double-core mode, promptly has reduced instruction set computer microprocessor (abbreviating ARM as) chip and digital signal processor (abbreviating DSP as) chip simultaneously.Wherein ARM chip controls ability is more intense, is mainly used in run user interface and control protocol stack.For example: the Radio Resource control module (abbreviating RRC as) of protocol stack just operates among the ARM.Therefore, any operation of RRC means that all ARM is in running status.And the Digital Signal Processing function of dsp chip is very powerful, is mainly used in functions such as finishing modulation and speech processes.The data that all protocol stacks need all report layer by layer by DSP, ARM and arrive protocol stack.
In 3-G (Generation Three mobile communication system), UE is periodic Serving cell and the adjacent cell related data measured under idle pulley, and its main process may further comprise the steps (referring to accompanying drawing 1):
1, UE cell selecting success enters idle pulley;
2, local device parameter, relevant system message parameter and the cell information (be called for short CellDesc, comprise frequency, descending synchronous code and three parameters of training sequence code) of Serving cell preserved of RRC;
The term of validity of the local system message of preserving of UE is 6 hours, if do not receive the indication of network side notifying system message alteration in 6 hours, then the system message of UE remains unchanged always.
3, along with measured value periodically is input to DSP from each hardware or software node, DSP periodically upgrades measured value, and (usually the ARM chip is in halted state and is called sleep state, this moment is consumes energy not substantially periodically to wake ARM up; Corresponding with it is the state of waking up, and will expend a large amount of energy this moment; Though and the ARM chip is in sleep, can periodic spontaneous waking up come, be called shallow sleep, expend a small amount of energy this moment.Make ARM from sleep state enter the state of waking up be called wake ARM up), DSP uploads to RRC with the measured value that upgrades by ARM.
4, RRC calculates the parameter S of all sub-districts (Serving cell and adjacent cell) according to the measured value of device parameter, relevant system message parameter and renewal (parameter S is the parameter of expression cell signal quality, S＞0th, one of necessary condition that the sub-district is resident) and Parameter H/R (Parameter H/R is the parameter of expression re-selecting cell priority, and the big more priority of this value is high more.For the sub-district of hierarchy, operation parameter H, for the sub-district of non-layered structure, operation parameter R, specific description is referring to 3GPP TS25.304);
5, RRC arranges all sub-districts (Serving cell and adjacent cell) of S＞0 again according to the descending of H/R value;
6, RRC compares the CellDesc of the current best cell that obtains and the CellDesc of the preceding best cell that once obtains;
If 7 best cells do not change, DSP maintain the original state (continue periodic upgrade measured value) then, ARM also maintains the original state (if opened timer Treselect, just be in sleeping state, otherwise just be in sleep state), UE waits for paging or other message that receives network; Otherwise, continue next step;
8, RRC compares the CellDesc of the best cell that obtains and the CellDesc of the local Serving cell of preserving;
If 9 best cells are exactly Serving cell, then close the timer Treselect that has opened, ARM enters sleep state, otherwise, carry out next step;
10, the RRC new best cell of opening timing device Treselect monitoring again, ARM keeps shallow sleep, when timer Treselect is overtime overflow after, RRC starts gravity treatment, wakes ARM up, begins to receive the system message of new sub-district;
11, gravity treatment finishes, and ARM enters sleep state once more.
This shows that DSP will periodically wake ARM up under idle pulley, and the frequent operation of ARM will make the energy resource consumption of UE increase.
In addition, obtain original measurement sample value from input point, be sent to RRC to measuring sample value through handling, filtering, whole process always can cause certain time-delay, RRC will be a non real-time based on the situation that operation result reflected that the measured value of delaying time obtains, and therefore all processing of the UE that causes also all will lag behind.The processing of this hysteresis not only can increase the energy resource consumption of UE, also may reduce the reselection success rate of UE.
Summary of the invention
For overcoming the above-mentioned deficiency of prior art, the present invention is directed to the periodic measurement of UE under the idle pulley and trigger possible gravity treatment, task to each module is distributed again, be exactly the part gravity treatment task of RRC among the ARM to be put into DSP go to realize specifically, reduce the number of times that ARM is waken up, reduce the measured value data and be uploaded to the time-delay of RRC, thereby reduce the energy resource consumption of UE under idle pulley from hardware.
The inventive method is passed to DSP with device parameter and system message parameter under disposable by the RRC that operates in ARM, new measured value by the local retention cycle measurement acquisition of DSP, calculate the value of the parameter S of all sub-districts and Parameter H/R and the sub-district of S＞0 is arranged again according to the descending of H/R value by DSP, find out the signal quality best cell, by DSP the CellDesc of signal quality best cell and the CellDesc of the preceding signal quality best cell that once obtains are compared, and judge whether to upload the CellDesc of signal quality best cell according to comparative result to RRC.
Employing the inventive method has the following advantages: the first, because device parameter immobilizes, it is stable that the parameter of system message also keeps relatively, therefore RRC only need be after cell selecting be finished usually, before the ARM sleep, to all parameters of the disposable configuration of DSP, after this ARM just can remain on sleep state fully, farthest reduces the energy resource consumption of UE.The second, the computing of relevant parameter is finished from being finished to change by DSP by RRC, and the always up-to-date measured value that DSP preserves.Therefore, DSP uses this up-to-date measured value parameters calculated S and H/R value the most accurate the most real-time, like this, and the variation of the perception external environment that UE just can be sharp, and make corresponding processing.
Description of drawings
The FB(flow block) of Fig. 1, prior art UE periodic measurement process under idle pulley.
The FB(flow block) of UE periodic measurement process under Fig. 2, the inventive method idle pulley.
Below in conjunction with the drawings and the specific embodiments the present invention is described in detail.
Accompanying drawing 1 is the FB(flow block) of UE periodic measurement process under the prior art idle pulley.As seen from the figure, in the prior art, when the UE cell selecting successfully enters idle pulley, the CellDesc of parameter, device parameter and the Serving cell of the local saved system message of RRC.Then, along with measured value is periodically imported, DSP periodically wakes ARM up, and measured value periodically is reported to the RRC module of protocol stack.S, H/R by RRC calculation services sub-district and adjacent cell, and the sub-district of S＞0 descending according to H/R rearranged the sub-district, if the discovery best cell has taken place to change and has not been Serving cell (certain adjacent cell becomes best cell), then opening timing device Treselect; If the discovery best cell has taken place to change and has been exactly Serving cell, then close the timer Treselect that has opened.When timer Treselect is overtime overflow after, RRC will start gravity treatment, wake ARM up, begin to receive the system message of new sub-district, when gravity treatment finishes, ARM enters sleep state once more.
Accompanying drawing 2 is that the inventive method is worked as the FB(flow block) when UE carries out periodic measurement under idle pulley.As seen from the figure, UE carries out periodic measurement and relevant unlatching or the process of timeing closing device Treselect and mainly may further comprise the steps under idle pulley:
1, UE cell selecting success enters idle pulley;
2, with respect to prior art, the only local CellDesc that preserves Serving cell of RRC in the inventive method, and pass to the DSP preservation down with device parameter, relevant system message parameter etc. are disposable;
3, DSP periodically upgrades, preserves measured value, and calculates the parameter S and the H/R value of all sub-districts (Serving cell and adjacent cell) according to the measured value of device parameter, system message parameter and renewal;
4, DSP arranges all sub-districts (comprising Serving cell and adjacent cell) of S＞0 again according to the descending of H/R value;
5, DSP compares the CellDesc of the current best cell that obtains and the CellDesc of the preceding best cell that once obtains;
If the CellDesc of 6 best cells is identical with the CellDesc of the preceding best cell that once obtains, illustrate that best cell does not change, DSP maintain the original state (continuing to periodically update measured value) then, ARM also maintains the original state (if opened timer Treselect, just be in sleeping state, otherwise just be in sleep state), UE waits for paging or other message that receives network; Otherwise, carry out next step;
7, DSP wakes ARM up, and uploads relevant information (comprising the CellDesc of best cell, corresponding P-CCPCH RSCP etc.) to RRC;
8, RRC compares the CellDesc of the best cell that obtains and the CellDesc of the local Serving cell of preserving;
If 9 both are identical, illustrate that best cell is exactly a Serving cell, then close the timer Treselect that has opened, ARM enters sleep state, otherwise, carry out next step;
10, the RRC new best cell of opening timing device Treselect monitoring again, ARM keeps shallow sleep, when timer Treselect is overtime overflow after, RRC starts gravity treatment, wake ARM up, begin to receive the new sub-district system message of (keeping this best adjacent cell);
11, gravity treatment finishes, and ARM enters sleep state once more.
The present invention also can have other various embodiments; without departing from the spirit and substance of the case in the method for the present invention; those skilled in the art work as can make various corresponding changes or distortion according to the inventive method, but these corresponding changes or distortion all belong to the claim protection range of the inventive method.
Claims (5)
1, a kind of method that reduces the energy resource consumption under idle pulley of mobile communication system user terminal, adopt the value of parameter S and Parameter H/R to judge persistent district and the best sub-district of signal, it is characterized in that: device parameter and system message parameter are passed to DSP under disposable by the RRC that operates in ARM, new measured value by the local retention cycle measurement acquisition of DSP, calculate the value of the parameter S of all sub-districts and Parameter H/R and the sub-district of S＞0 is arranged again according to the descending of H/R value by DSP, by DSP the CellDesc of signal quality best cell and the CellDesc of the preceding signal quality best cell that once obtains are compared, and judge whether to upload the CellDesc of signal quality best cell according to comparative result to RRC.
2, according to the described method of claim 1, it is characterized in that if the CellDesc of signal quality best cell is identical with the CellDesc of the preceding signal quality best cell that once obtains, DSP maintain the original state (continuing to periodically update measured value) then, otherwise, upload the CellDesc of signal quality best cell to RRC.
3,, it is characterized in that CellDesc comprises frequency, descending synchronous code and training sequence code according to the described method of claim 1.
4,, it is characterized in that parameter S is the parameter of expression cell signal quality, S＞0th, one of necessary condition that the sub-district is resident according to the described method of claim 1.
5, according to the described method of claim 1, it is characterized in that Parameter H/R is the parameter of expression re-selecting cell priority, the big more priority of this value is high more, and for the sub-district of hierarchy, operation parameter H is for the sub-district of non-layered structure, operation parameter R.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100781896A CN101014171A (en) | 2007-02-07 | 2007-02-07 | Method for reducing energy consumption of user terminal on idle mode |
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| CNA2007100781896A CN101014171A (en) | 2007-02-07 | 2007-02-07 | Method for reducing energy consumption of user terminal on idle mode |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500287B (en) * | 2009-03-13 | 2011-06-22 | 中兴通讯股份有限公司 | Cell reselection implementing method, apparatus and user terminal |
| CN102907143A (en) * | 2010-05-17 | 2013-01-30 | 高通股份有限公司 | Reducing idle mode power consumption for monitoring neighboring base stations |
| CN101464819B (en) * | 2007-12-19 | 2013-08-28 | Arm有限公司 | Hardware driven processor state storage prior to entering low power mode |
| CN103309429A (en) * | 2012-03-12 | 2013-09-18 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN103597882A (en) * | 2011-04-01 | 2014-02-19 | 美国博通公司 | Fast reselection between different radio access technology networks |
-
2007
- 2007-02-07 CN CNA2007100781896A patent/CN101014171A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464819B (en) * | 2007-12-19 | 2013-08-28 | Arm有限公司 | Hardware driven processor state storage prior to entering low power mode |
| CN101500287B (en) * | 2009-03-13 | 2011-06-22 | 中兴通讯股份有限公司 | Cell reselection implementing method, apparatus and user terminal |
| CN102907143A (en) * | 2010-05-17 | 2013-01-30 | 高通股份有限公司 | Reducing idle mode power consumption for monitoring neighboring base stations |
| US9369962B2 (en) | 2010-05-17 | 2016-06-14 | Qualcomm Incorporated | Reducing idle mode power consumption for monitoring neighboring base stations |
| CN102907143B (en) * | 2010-05-17 | 2016-08-03 | 高通股份有限公司 | Reduce the idle mode power consumption for monitoring adjacent base station |
| CN103597882A (en) * | 2011-04-01 | 2014-02-19 | 美国博通公司 | Fast reselection between different radio access technology networks |
| CN103597882B (en) * | 2011-04-01 | 2017-12-12 | 小米香港有限公司 | Quickly reselecting between different radio access technologies network |
| CN103309429A (en) * | 2012-03-12 | 2013-09-18 | 联想(北京)有限公司 | Information processing method and electronic equipment |
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Owner name: CHONGQING CYIT COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHONGQING CHONGYOU XINKE (GROUP) CO., LTD. Effective date: 20081017 |
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Effective date of registration: 20081017 Address after: Huang Chongqing Nan'an District No. 1 Wu Fort Park Post encoding: 400065 Applicant after: Chongqing City Communication & Technology Co., Ltd. Address before: B, 4 floor, zone 401147, Neptune science building, Chongqing, Yubei District Applicant before: Chongqing cyit (Group) Limited by Share Ltd |
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Open date: 20070808 |