CN102791018B - Method for controlling power in continuous packet connectivity state - Google Patents
Method for controlling power in continuous packet connectivity state Download PDFInfo
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- CN102791018B CN102791018B CN201210097594.3A CN201210097594A CN102791018B CN 102791018 B CN102791018 B CN 102791018B CN 201210097594 A CN201210097594 A CN 201210097594A CN 102791018 B CN102791018 B CN 102791018B
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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
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- 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
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Abstract
The invention relates to a method for controlling power in a continuous packet connectivity state. The method includes that step one, a signal to interference ratio (SIR) estimated value of a current time slot is calculated; step two, whether an SIR estimated value of a last time slot is larger than a preset threshold is judged, if the SIR estimated value of the last time slot is smaller than or equal to the preset threshold, step three is switched, otherwise, step four is switched, and the step three is directly switched if a judgment result of the last time slot is absent; step three, a discontinuous transmission (DTX) zone bit of the current time slot is set, and a comparison result of the SIR estimated value of the current time slot and the threshold is recorded; step four, an SIR estimated average value is obtained and compared with the threshold, if the SIR estimated average value is larger than the threshold, the DTX zone bit of the current time slot is set, and otherwise, the step three is switched; and step five, according to the DTX zone bit, whether the SIR estimated value of the current time slot is used for uplink closed loop power control is determined. By means of the method for controlling the power in the continuous packet connectivity state, transmission power of user equipment can well change with channel environments.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of for the Poewr control method under continuity grouping connection status.
Background technology
Along with the development of IP Multimedia System (IMS) business, can find that IP based network Telecom Service Development has been current trend of the times.This kind of business have open flexibly, relate to the features such as network element is few, the construction cycle is short, renewal speed is fast, more can adapt to the development of Network undoubtedly.Communication service has been simplified to the structure of a kind of " client-server " by the current instant messaging (IM) become more and more popular simultaneously, such business has a basic demand, require that communication terminal is in line states exactly always, therefore need network system can support the function that IP is always online.
High-speed downlink packet access (HSDPA) technology and High Speed Uplink Packet access (HSUPA) technology have lighted the hope that user continues to be connected, in such a scenario, user can keep connection status in long time, only carry out the transmission of data once in a while, avoid and connect termination frequently, re-establish and the intrinsic expense brought thus and time delay.
In existing mobile communication system, in order to avoid interrupting continually between user and base station and being connected, even if data channel just sends data in several activation cycles once in a while, up (UL) Dedicated Physical Control Channel (DPCCH) also keeps the state sending data always, waste the resource of system to a certain extent, increase the interference to other users, reduce the capacity of system.Third generation partner program (3GPP) the R7 stage proposes a solution---and continuity grouping connects (Continuous Packet Connectivity, be called for short CPC) technology, for keeping the connection between HSUPA/HSDPA user and base station when there is no transfer of data at data channel, reducing the interference of other users simultaneously and frequently interrupting, connect the expense brought.
See Fig. 1, it is the parameter schematic diagram of UL DPCCH under CPC state in prior art.Under CPC state, UL DPCCH sends no longer continuously, but sends discontinuously with certain cycle, is operated in activation (active)/inactive (inactive) pattern.When both not strengthening dedicated channel (E-DCH) transmission, not having High-Speed Dedicated Physical Control Channel (HS-DPCCH) to transmit yet, subscriber equipment (UE, User Equipment, 3GPP calls for mobile terminal) will automatically stop DPCCH launching, and use a predefined DPCCH bursts of activities (burst).Once E-DCH and HS-DPCCH starts to launch, recover normal DPCCH immediately and launch.In order to maintain necessary uplink synchronous in inactive period, predefined DPCCH bursts of activities must keep certain transmission cycle.Up discontinuous transmission (being called for short UL DTX) uses two kinds of discontinuous DPCCH to send cycle: UE_DTX_cycle_2 and UE_DTX_cycle_1, and the former is the integral multiple of the latter.In order to reduce uplink interference further, the power of different users being presented in time domain and is uniformly distributed, a specific time migration can be configured for each UE.
Fig. 1 gives the transmitting cycle of UL DPCCH under channel E-DCH state of activation, can find out the transmitting cycle of DPCCH by fix burst, leading (Preamble), after lead (Postamble) and other channels (such as E-DCH) activation cycle form.Although the resource of system has been saved in the discontinuous transmission of UL DPCCH under CPC state, reduce the interference of other users and increase the capacity of system, but also bring a problem, how that carries out the problem of power control (TPC) exactly under CPC state simultaneously.
Power control techniques is the key technology of Wideband Code Division Multiple Access (WCDMA) (WCDMA) mobile communication system, WCDMA system is a self-interference system, all subscriber equipmenies (being called for short UE) all take same band and frequency, if all UE launch with identical power in community, because each UE is different from the Distance geometry path of base station (being called for short Node B), signal arrives Node B and just has different attenuations, thus cause from the UE close to Node B, the signal that Node B receives is strong, UE away from Node B, the signal that Node B receives is weak, the intensity of the signal received by Node B will be caused like this to differ greatly, may can not be despread out after weak signal far away arrives Node B, weak signal is caused " to flood " in strong signal, and then block the communication in major part region, community, thus create the problem being called as " near-far interference " in a wcdma system.The object that power controls overcomes " far and near effectiveness " exactly, ensures that each user institute transmitting power arrives base station minimally, can meet minimum communicating requirement, avoid again producing unnecessary interference to other subscriber signals simultaneously, make maximize system capacity.
In a wcdma system, power controls can be divided into uplink power control and downlink power control two class by direction; Whether participate in by UE and Node B simultaneously and be divided into open Loop Power control and the large class of close-loop power control two.Closed-loop power control refers to the process that transmitting terminal controls transmitting power according to the feedback information that receiving terminal is sent here; And open loop power control does not need the feedback of receiving terminal, transmitting terminal controls transmitting power according to self measuring the information obtained.Uplink closed loop technology is a kind of power control techniques the most frequently used in HSPA system, and the physical layer between Node B and UE is carried out, and the object of up inner-loop power control is that to make base station receive the bit energy of each UE signal equal.See Fig. 2, it is the schematic diagram of up inner-loop power control in prior art.First, the signal-to-jamming ratio (SIR) of the upward signal that Node B measurement receives, and compare with the target SIR (target SIR is handed down to Node B by RNC (radio network controller)) arranged, if measure SIR to be less than target SIR, the TPC identification notification UE of Node B in descending physical channel fractional dedicated physical channel (F-DPCH) improves transmitting power, otherwise notice UE reduces transmitting power.
TPC mode conventional under current CPC state carries out power control according to the fixing burst of UL DPCCH, namely only in the signal-to-jamming ratio (SIR) that the location estimation of fixing bursts of activities burst receives, and it compared with target SIR value, if the SIR recorded is higher than target SIR, Node B just order UE reduces power; If the SIR recorded is lower than target SIR, Node B just order UE raises power.Other positions (as leading, after lead the activation cycle with other channels) do not carry out power control.This kind of method, smaller in the burst cycle of UL DPCCH, and time channel circumstance changes more slowly, can meet the demands completely.But at the burst period ratio comparatively large (160 subframes may be reached according to the regulation UE_DTX_cycle2 of agreement) of UL DPCCH, and channel circumstance change is than (such as under fading channel conditions) in situation faster, the position of fixing burst is just utilized to carry out power control, UE transmitting power can be caused cannot to follow the change of channel circumstance, cause transmitting power excessive or too small, greatly reduce the capacity of communication system.
Summary of the invention
The object of the present invention is to provide a kind of for the Poewr control method under continuity grouping connection status, change to make the transmitting power of subscriber equipment can follow the change of channel circumstance better.
For achieving the above object, provided by the invention for the Poewr control method under continuity grouping connection status, comprising:
Step one, in base station end, according to the upward signal received, calculate current time slots (slot) SIR estimated value;
Step 2, judge whether the SIR estimated value of a upper slot is greater than default thresholding (this thresholding is designated as Thr), if SIR is <=Thr, forward step 3 to, otherwise then forward step 4 to, skipping step 2 when there is no the judged result of a upper slot, directly entering step 3;
Step 3, be 1 (representing that current slot is in DTX state) by the DTX mark position of current slot, and the SIR estimated value of current slot and thresholding Thr compared, record comparative result;
Step 4, the SIR estimated value of the SIR estimated value of current slot and a upper slot done on average obtain SIR estimated mean value, and SIR estimated mean value and thresholding Thr are compared.If SIR estimated mean value > thresholding, be then 0 (representing that current slot is not in DTX state) by the DTX mark position of current slot, otherwise then forward step 3 to;
Step 5, determine whether the SIR estimated value of UL DPCCH current time slots is used for doing uplink closed-loop power control according to the DTX flag bit of each current slot.
Wherein, as DTX=1, uplink closed-loop power control is not done; As DTX=0, do uplink closed-loop power control.
Wherein, when the DTX flag bit of current time slots equals 1, the SIR estimated value of current time slots is not used for doing uplink closed-loop power control; As DTX=0, the SIR estimated value of current time slots is used for doing uplink closed-loop power control.
Wherein, when doing uplink closed-loop power control in described step 5, if when the SIR estimated value of current time slots is lower than the target SIR preset, base station commands subscriber equipment improves transmitting power, if when the SIR estimated value of current time slots is higher than target SIR, base station commands subscriber equipment reduces transmitting power.
According to method provided by the invention, DTX flag bit state initial value is set to 1, represents that current slot does not do uplink closed-loop power control.
According to method provided by the invention, described thresholding Thr value is determined according to simulation study or test empirical data.
According to method provided by the invention, the method applies the uplink closed loop under CPC pattern in a wcdma system.
Beneficial effect of the present invention: provided by the invention for the Poewr control method under continuity grouping connection status, it utilizes the thresholding preset, determine whether special physical controlling channel of upward is in DTX state, when it is DTX state time, uplink closed-loop power control is closed, otherwise, the signal-to-jamming ratio information of special physical controlling channel of upward is utilized to carry out uplink closed-loop power control, the transmitting power of subscriber equipment can be made to follow the change of channel circumstance better and change, even if larger at the burst period ratio of special physical controlling channel of upward, and channel circumstance change also can carry out power control well than in situation faster, its average power is made to reach minimum, substantially increase the capacity of communication system.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the parameter schematic diagram of UL DPCCH under CPC state in prior art;
Fig. 2 is the schematic diagram of up inner-loop power control in prior art;
Fig. 3 is the flow chart of the present invention for Poewr control method one preferred embodiment under continuity grouping connection status;
Fig. 4 is transmitting power and the average power schematic diagram of existing Poewr control method UE;
Fig. 5 is transmitting power and the average power schematic diagram of Poewr control method UE of the present invention;
Fig. 6 is the comparison diagram of existing Poewr control method and Poewr control method cell throughout of the present invention.
Embodiment
Refer to Fig. 3, it is used for the flow chart of a preferred embodiment of the Poewr control method under continuity grouping connection status for the present invention, comprise the following steps:
Step 301: the SIR estimated value calculating current slot;
Step 302: judge whether the SIR estimated value of a upper slot is greater than thresholding Thr, if SIR is <=Thr, forward step 304 to, otherwise then forward step 303 to, skipping this step 302 when there is no the judged result of a upper slot, directly entering step 304;
Step 304: be 1 by the DTX mark position of current slot, and the SIR estimated value of current slot and thresholding Thr are compared, record comparative result;
Step 303: the SIR estimated value of the SIR estimated value of current slot and a upper slot is averaged and obtains SIR estimated mean value, and SIR estimated mean value and thresholding are compared, if SIR estimated mean value mean value <=thresholding, then forward step 304 to;
If the DTX mark position of current slot SIR estimated mean value mean value > thresholding, is then 0 by step 305: in step 303;
Step 306: judge that whether the SIR estimated information of the current slot of UL DPCCH is for doing uplink closed-loop power control according to DTX flag bit.During as DTX=1, do not do uplink closed-loop power control; During as DTX=0, then do uplink closed-loop power control.
When doing uplink closed-loop power control, if when the signal-to-jamming ratio of current data signal is lower than target sir, base station commands subscriber equipment improves transmitting power, if when the signal-to-jamming ratio of current data signal is higher than target sir, base station commands subscriber equipment reduces transmitting power, the intensity of all signals received by base station will be caused so all the same, thus avoid the weak signal situation in strong signal of " flooding " and occur to ensure that each subscriber equipment institute transmitting power reaches base station minimally, minimum communicating requirement can be met, avoid again producing unnecessary interference to other subscriber signals simultaneously, make maximize system capacity, described target sir sets according to actual needs.
The invention provides the whether effective detection method of TPC command under a kind of CPC condition; The information of the UL DPCCH utilizing Preamble, Postamble and launch in other Channel Activation cycles under CPC condition is to do uplink closed loop.Utilize the thresholding preset, determine whether UL DPCCH is in DTX state, when it is DTX state time, uplink closed-loop power control is closed; Otherwise, utilize the SIR information of UL DPCCH to carry out uplink closed-loop power control.Poewr control method of the present invention is applicable in WCDMA system, the uplink closed loop under continuity grouping connection mode.
The still UL DPCCH that UL DPCCH sends in essence on Preamble, Postamble and the position in other Channel Activation cycles, only the position such as Preamble and Postamble does not have corresponding HS-DPCCH and E-DCH channel, therefore we can utilize leading (Preamble), after lead the information of the UL DPCCH launched in (Postamble) and other Channel Activation cycles to do uplink closed loop, UE transmitting power can be made like this to follow the change of channel circumstance better, improve the capacity of communication system.
According to method provided by the invention, can detect simply and easily leading (Preamble), after lead DPCCH information in the activation cycle of (Postamble) and other channels, and the signal-to-jamming ratio estimated value of now special physical controlling channel of upward is used for uplink closed loop, the transmitting power of subscriber equipment is made closely to follow the change of channel circumstance, reduce multi-access inference, overcome the impact of near-far interference and decline, thus ensure that the quality of uplink downlink, improve the capacity of system.Such as: the transmitting power reducing certain subscriber equipment under the prerequisite ensureing internet services quality (Qosde), the quality of reception of its up-downgoing data can not be affected, but result decreases system interference, the uplink downlink quality of other subscriber equipment will be improved.
Refer to Fig. 4 and Fig. 5, it is respectively transmitting power and the average power schematic diagram subscriber equipment of the UE using existing Poewr control method and Poewr control method of the present invention in actual test environment.Can find out and use Poewr control method of the present invention, the transmitting power fluctuation of subscriber equipment is smaller, and average transmit power is also than little about 1 ~ 2dB during the existing Poewr control method of use, can more effectively overcome " near-far interference " like this, reduce the interference to community, improve the capacity of system.
Refer to Fig. 6, it is the contrast of the cell throughout of existing Poewr control method and Poewr control method of the present invention, therefrom can find out and use Poewr control method of the present invention, inter-user interference can be controlled better, improve the utilance of power, more effectively utilize Radio Resource, thus the throughput improving community (uses Poewr control method of the present invention when same subscriber number, cell throughout on average improves 10%), and then improve user capacity and the speech quality of whole system.
In sum, provided by the invention for the Poewr control method under continuity grouping connection status, it utilizes the thresholding preset, determine whether special physical controlling channel of upward is in DTX state, when it is DTX state time, uplink closed-loop power control is closed, otherwise, the signal-to-jamming ratio information of special physical controlling channel of upward is utilized to carry out uplink closed-loop power control, the transmitting power of subscriber equipment can be made to follow the change of channel circumstance better and change, even if larger at the burst period ratio of special physical controlling channel of upward, and channel circumstance change also can carry out power control well than in situation faster, its average power is made to reach minimum, substantially increase the capacity of communication system.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection range that all should belong to the claims in the present invention.
Claims (5)
1., for the Poewr control method under continuity grouping connection status, it is characterized in that, comprising:
Step one, in base station end, according to the UL received (up) DPCCH (Dedicated Physical Control Channel) information, calculate SIR (signal-to-jamming ratio) estimated value of current time slots;
Step 2, judge whether the SIR estimated value of a upper time slot is greater than default thresholding, if the SIR estimated value of a upper time slot is less than or equal to this thresholding, forwards step 3 to, otherwise then forward step 4 to, skipping step 2 when there is no the judged result of a upper time slot, directly entering step 3;
Step 3, arrange DTX (discontinuous transmission) flag bit of current time slots to represent that current time slots is in DTX state, and the SIR estimated value of current time slots and this thresholding are compared, record comparative result, forwards step 5 to;
Step 4, the SIR estimated value of the SIR estimated value of current time slots and a upper time slot done on average obtain SIR estimated mean value, and SIR estimated mean value and this thresholding are compared, if SIR estimated mean value is greater than this thresholding, the DTX flag bit of current time slots is then set to represent that current time slots is not in DTX state, forward step 5 to, otherwise then forward step 3 to;
Step 5, determine whether the SIR estimated value of UL DPCCH current time slots is used for doing uplink closed-loop power control according to the DTX flag bit of each current time slots;
The DTX flag bit of current time slots represents that current time slots is in DTX state when being set to 1, represents that current time slots is not in DTX state when the DTX flag bit of current time slots is set to 0;
When the DTX flag bit of current time slots equals 1, the SIR estimated value of current time slots is not used for doing uplink closed-loop power control; As DTX=0, the SIR estimated value of current time slots is used for doing uplink closed-loop power control.
2. as claimed in claim 1 for the Poewr control method under continuity grouping connection status, it is characterized in that, when doing uplink closed-loop power control in described step 5, if when the SIR estimated value of current time slots is lower than the target SIR preset, base station commands subscriber equipment improves transmitting power, if when the SIR estimated value of current time slots is higher than target SIR, base station commands subscriber equipment reduces transmitting power.
3., as claimed in claim 1 for the Poewr control method under continuity grouping connection status, it is characterized in that, described Poewr control method be application in a wcdma system for the Poewr control method under continuity grouping connection status.
4., as claimed in claim 1 for the Poewr control method under continuity grouping connection status, it is characterized in that, DTX flag bit state initial value is set to 1, represents that current time slots does not do uplink closed-loop power control.
5. as claimed in claim 1 for the Poewr control method under continuity grouping connection status, it is characterized in that, this thresholding value preset is determined according to simulation study or test empirical data.
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| CN201210097594.3A CN102791018B (en) | 2012-04-05 | 2012-04-05 | Method for controlling power in continuous packet connectivity state |
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| CN102791018B true CN102791018B (en) | 2015-01-07 |
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| CN110536336B (en) * | 2016-03-25 | 2023-02-21 | 展讯通信（上海）有限公司 | Common-frequency cell measuring method and device in CPC state |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304589A (en) * | 1999-05-12 | 2001-07-18 | 三星电子株式会社 | Method for supporting discontinuous transmission mode in base station in mobile communication system |
| CN1434593A (en) * | 2002-01-24 | 2003-08-06 | 华为技术有限公司 | Method for controlling external loop power in WCDMA system |
| WO2005006605A1 (en) * | 2003-07-01 | 2005-01-20 | Motorola, Inc. , A Corporation Of The State Of Delaware | Method, apparatus and system for use in controlling transmission power during wireless communication |
| CN102149121A (en) * | 2011-03-22 | 2011-08-10 | 中兴通讯股份有限公司 | Discontinuous transmission method for user terminal detection and user terminal in TD-SCDMA (Division-Synchronization Code Division Multiple Access) system |
| CN102158939A (en) * | 2011-04-02 | 2011-08-17 | 京信通信系统（中国）有限公司 | Method and system for power control in DTX (discontinuous transmission) |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304589A (en) * | 1999-05-12 | 2001-07-18 | 三星电子株式会社 | Method for supporting discontinuous transmission mode in base station in mobile communication system |
| CN1434593A (en) * | 2002-01-24 | 2003-08-06 | 华为技术有限公司 | Method for controlling external loop power in WCDMA system |
| WO2005006605A1 (en) * | 2003-07-01 | 2005-01-20 | Motorola, Inc. , A Corporation Of The State Of Delaware | Method, apparatus and system for use in controlling transmission power during wireless communication |
| CN102149121A (en) * | 2011-03-22 | 2011-08-10 | 中兴通讯股份有限公司 | Discontinuous transmission method for user terminal detection and user terminal in TD-SCDMA (Division-Synchronization Code Division Multiple Access) system |
| CN102158939A (en) * | 2011-04-02 | 2011-08-17 | 京信通信系统（中国）有限公司 | Method and system for power control in DTX (discontinuous transmission) |
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