CN102364980A - Method and user equipment (UE) for dynamically controlling inner-loop power - Google Patents
Method and user equipment (UE) for dynamically controlling inner-loop power Download PDFInfo
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- CN102364980A CN102364980A CN2011103083996A CN201110308399A CN102364980A CN 102364980 A CN102364980 A CN 102364980A CN 2011103083996 A CN2011103083996 A CN 2011103083996A CN 201110308399 A CN201110308399 A CN 201110308399A CN 102364980 A CN102364980 A CN 102364980A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
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Abstract
The invention relates to a method and user equipment (UE) for dynamically controlling inner-loop power. The method comprises the following steps of: receiving a pilot frequency switching command sent by a radio resource control (RRC) by using the UE; analyzing the pilot frequency switching command, and extracting a frequency value of a target cell from the pilot frequency switching command; and controlling the inner-loop power according to the frequency value of the target cell, a frequency value of a current registered cell and radio frequency parameters corresponding to different frequency bands in a preset network video (NV). When the UE is subjected to the inter-frequency switching, the UE configures the radio frequency transmission power by adopting a set of parameters adapting to the carrier frequency of the target cell according to the difference of transmission frequency of the target cell, so that the radio frequency transmission power adapting to the carrier frequency of the target cell is dynamically regulated, and the network load is reduced as much as possible and the standby time of mobile phones is prolonged on the premise of not influencing user experience.
Description
Technical field
The present invention relates to communication technical field, relate in particular to and a kind ofly in WCDMA (WCDMA access) system when moving, dynamically control the method and the UE (User equipment, user terminal) of inner loop power in the minizone of different carrier frequency to mobile phone.
Background technology
Power control is one of key technology among the WCDMA.The purpose of power control is in order to overcome near-far interference.The near-far interference phenomenon is meant that a UE near apart from the base station can block whole sub-district if there is not power control, and the UE signal far away apart from the base station will " be flooded ".In up link; If all UE launch with identical power in the sub-district; Because each UE is different with the distance and the path of base station, signal arrives the base station and then has different attenuations, thereby it is strong to cause leaving the signal of receiving the nearer base station of UE; A little less than the signal that receive base station far away, cause the intensity of the received signal in base station to differ greatly thus.Because WCDMA is that weak signal far away maybe not can be come out by despreading after arriving the base station with the frequency receiving system, cause weak signal " to flood " in strong signal, and can't operate as normal.
Power control comprises that inner-loop power control and external circule power control, external circule power control are between SRNC and base station, to accomplish, and is used for Radio Link is maintained certain level, promptly regulates the sir target value and makes the BLER of Radio Link maintain certain level.Inner-loop power control is between UE and base station, to accomplish.Inner-loop power control is divided into descending inner-loop power control and up inner-loop power control.The control end of descending inner-loop power control is UE, and actuating station is the base station, and promptly UE sends power control commands according to the actual mass measurement result of down link to the base station, and the base station is again according to the transmitting power of this feedback adjustment down link; The control end of up inner-loop power control is the base station, and actuating station is UE, i.e. the transmitting power of the feedback adjustment up link that provides through down link according to the base station of UE.
In the WCDMA system, existing Poewr control method is applicable to situation that UE changes with base station distance in moving process, situation that barrier blocks is arranged and carry out multiple situation such as soft handover when moving in the minizone.When UE change of network environment of living in, mutual through with network, adjustment base station and the transmitting power of itself make Radio Link maintain a normal level.
For operator, have two or more carrier frequency usually and be used for System Expansion.At the high hot zones of telephone traffic, then need use a plurality of carrier frequency to cover to improve systematic function.At this moment, switch between inevitably taking place frequently.Yet for situation about switching between frequency, the frequency of minizone is different, and it is also not quite identical that UE is in the transmission frequency that needs under the environment of same signal intensity.If for the sub-district of all frequency ranges, on the position of same signal intensity, all use identical transmitting power, will certainly cause the reception signal of unnecessary network burden or UE not good enough.
Summary of the invention
Main purpose of the present invention is to provide a kind of method and UE of dynamic control inner loop power, when UE carries out switching between frequency, can reduce offered load, improves user experience.
In order to achieve the above object, the present invention proposes a kind of method of dynamic control inner loop power, comprising:
UE receives the alien frequencies switching command that RRC sends;
Said alien frequencies switching command is resolved, therefrom extract the frequency values of Target cell;
According to the radio frequency parameter of corresponding different frequency range among the frequency values of the frequency values of said Target cell, current register sub-district and the NV that presets, inner loop power is controlled.
Preferably, the radio frequency parameter of corresponding different frequency range among the frequency values of said frequency values, current register sub-district and the NV that presets according to Target cell, the step that inner loop power is controlled comprises:
The frequency values of the frequency values of more said Target cell and current register sub-district;
When the frequency values of the frequency values of said Target cell and current register sub-district is inequality, from said NV, derive radio frequency parameter with the frequency values coupling of said Target cell;
Adjust the transmitting power of said UE according to the radio frequency parameter of the frequency values coupling of said and Target cell.
Preferably, the radio frequency parameter of corresponding different frequency range among the frequency values of said frequency values, current register sub-district and the NV that presets according to Target cell, the step that inner loop power is controlled further comprises:
When the frequency values of the frequency values of said Target cell and current register sub-district was identical, uncomfortable the haircuting of said UE penetrated power.
Preferably, also comprise before the step of the alien frequencies switching command of said UE reception RRC transmission:
UE receives and handles the different districts signal through RAKE receiver; When the CF signal quality of said current register sub-district was lower than predetermined threshold, said UE reported different-frequency measure reporting to said RRC, sent said alien frequencies switching command according to said different-frequency measure reporting to said UE by said RRC.
Preferably, also comprise before the step of the alien frequencies switching command of said UE reception RRC transmission:
The radio frequency parameter of corresponding different frequency range is set in said NV.
The present invention also proposes a kind of UE of dynamic control inner loop power, comprising:
Receiver module is used to receive the alien frequencies switching command that RRC sends;
Parsing module is used for said alien frequencies switching command is resolved, and therefrom extracts the frequency values of Target cell;
The power control module is used for the frequency values of frequency values, current register sub-district according to said Target cell and the radio frequency parameter of the corresponding different frequency range of NV that presets, and inner loop power is controlled.
Preferably, said power control module comprises:
Comparing unit is used for the frequency values of more said Target cell and the frequency values of current register sub-district;
Lead-out unit is used for when the frequency values of the frequency values of said Target cell and current register sub-district is inequality, from said NV, derives the radio frequency parameter with the frequency values coupling of said Target cell;
Adjustment unit is used for adjusting according to the radio frequency parameter of the frequency values coupling of said and Target cell the transmitting power of said UE.
Preferably, said adjustment unit also is used for frequency values when the frequency values of said Target cell and current register sub-district when identical, does not adjust the transmitting power of said UE.
Preferably, said receiver module also is used for receiving and handle the different districts signal through RAKE receiver; When the CF signal quality of said current register sub-district is lower than predetermined threshold, report different-frequency measure reporting to said RRC.
Preferably, above-mentioned UE also comprises:
Module is set, is used for being provided with the radio frequency parameter of corresponding different frequency range at said NV.
The method and the UE of a kind of dynamic control inner loop power that the present invention proposes; When UE carried out switching between frequency, according to the difference of the tranmitting frequency of Target cell, UE adopted the set of parameter configuration radio-frequency emission power of the carrier frequency that is suitable for Target cell; Thereby dynamically adjustment is suitable for the radio-frequency emission power of the carrier frequency of Target cell; Realized under the prerequisite that does not influence user experience, reducing offered load as far as possible, and prolonged the stand-by time of mobile phone.
Description of drawings
Fig. 1 is the method one embodiment schematic flow sheet that the present invention dynamically controls inner loop power;
Fig. 2 be the present invention dynamically control among method one embodiment of inner loop power the frequency values of frequency values according to Target cell, current register sub-district and the NV that presets in the radio frequency parameter of corresponding different frequency range, the schematic flow sheet that inner loop power is controlled;
Fig. 3 is another embodiment schematic flow sheet of method that the present invention dynamically controls inner loop power;
Fig. 4 is the structural representation that the present invention dynamically controls UE one embodiment of inner loop power;
Fig. 5 is the structural representation that the present invention dynamically controls power control module among UE one embodiment of inner loop power;
Fig. 6 is the structural representation that the present invention dynamically controls another embodiment of UE of inner loop power.
In order to make technical scheme of the present invention clearer, clear, will combine accompanying drawing to do further to detail below.
Embodiment
Embodiment of the invention solution mainly is: when UE carries out switching between frequency; The difference of the sub-district tranmitting frequency that arrives according to the mobile phone current register; UE adopts a cover radio frequency parameter configuration radio-frequency emission power that is suitable for current carrier frequency, when UE is in different sub-districts, even UE is in the identical position of signal strength signal intensity; The power that UE sends to the base station is also inequality; Thereby dynamically adjust the optimal value of transmitting power to the suitable current register cell carrier frequencies of UE, reducing offered load, and the stand-by time that prolongs mobile phone.
In the WCDMA system, switching is divided into direct-cut operation and soft handover between the frequency of UE, switches between the frequency that relates in the embodiment of the invention to belong to a kind of of direct-cut operation.
As shown in Figure 1, one embodiment of the invention proposes a kind of method of dynamic control inner loop power, comprising:
Step S101, UE receives the alien frequencies switching command that RRC sends;
Power control belongs to up inner loop power control in the present embodiment, and UE handles the semaphore from different districts through RAKE receiver, to these semaphores; When the signal quality of judging the current register cell carrier frequencies has been lower than predetermined threshold; UE informs network side RRC (Radio Resource control, radio resource control layer), and network side RRC starts the alien frequencies direct-cut operation; And notice UE measures the alien-frequency district signal; UE reports RRC with different-frequency measure information according to the measurement control report form of prior agreement, and RRC carries out analysis and judgement to the different-frequency measure reporting that UE reports, when RRC judges the alien-frequency district signal quality and is higher than the certain thresholding of current register cell carrier frequencies signal quality; Then issue the order of alien frequencies direct-cut operation to UE, notice UE switches to the sub-district of assigned frequency.
Step S102 resolves the alien frequencies switching command, therefrom extracts the frequency values of Target cell;
Wherein, Target cell is meant the sub-district that will switch of the sub-district of the current register before relative UE carries out switching between frequency, and after UE carried out switching between frequency, Target cell then became the current register sub-district.
After UE receives the alien frequencies switching command that RRC sends, this alien frequencies switching command is resolved, therefrom extract the frequency values of the sub-district that will switch, as the frequency values of Target cell.
Step S103 according to the radio frequency parameter of corresponding different frequency range among the frequency values of the frequency values of Target cell, current register sub-district and the NV that presets, controls inner loop power.
UE compares the frequency values of the sub-district of the frequency values of the Target cell that parses and current register, if frequency information does not change, then is left intact; If frequency information changes, confirm that UE need carry out switching between frequency, then according to the frequency values of this Target cell; From the NV of UE, derive the radio frequency parameter of the frequency values that is fit to this Target cell that presets; Automatically adjust the transmitting power of UE again according to radio frequency parameter,, thereby realized under the prerequisite that does not influence user experience through adjusted transmitting power emission corresponding modulation signal; Reduce offered load as far as possible, prolong the stand-by time of mobile phone.
The various carrier frequency values that possibly support according to operator in the present embodiment; In the NV of UE, be provided with and preserve the radio frequency parameter that is suitable for corresponding band in advance and supply UE to carry out the configuration use of relevant parameter, on the transmitting power the when difference of these radio frequency parameters is mainly reflected in expectation UE work.
Concrete, as shown in Figure 2, above-mentioned steps S103 comprises:
Step S1031, the frequency values of the frequency values of comparison object sub-district and current register sub-district; If the frequency values of the frequency values of Target cell and current register sub-district is inequality, then get into step S1032; Otherwise, get into step S1034;
Step S1032, the radio frequency parameter of the frequency values of derivation and Target cell coupling from NV; And get into next step;
Step S1033, according to the transmitting power of the radio frequency parameter adjustment UE of the frequency values of Target cell coupling.
Step S1034, uncomfortable the haircuting of UE penetrated power.
When present embodiment carries out switching between frequency at UE; Difference according to the tranmitting frequency of Target cell; UE adopts the set of parameter configuration radio-frequency emission power of the carrier frequency that is suitable for Target cell, thereby dynamically adjusts the radio-frequency emission power of the carrier frequency that is suitable for Target cell, has realized under the prerequisite that does not influence user experience; Reduce offered load as far as possible, and prolong the stand-by time of mobile phone.
As shown in Figure 3, another embodiment of the present invention proposes a kind of method of dynamic control inner loop power, on the basis of the foregoing description, before above-mentioned steps S101, also comprises:
Step S100 is provided with the radio frequency parameter of corresponding different frequency range in NV.
The difference of present embodiment and the foregoing description is; The prerequisite of Poewr control method is in the NV of UE, to preset and preserve the radio frequency parameter that is applicable to different frequency range in the foregoing description; Being provided with of this radio frequency parameter can be provided with by UE self, also can and be kept at UE this locality by other network element setting.
Present embodiment at first is provided with by UE self and is applicable to the radio frequency parameter of different frequency range, and be kept at this locality when carrying out inner loop power control, when UE carries out switching between frequency, from NV, derives the radio frequency parameter that is fit to current frequency range and carries out the adjustment of transmitting power.
When present embodiment switched between UE carrying out frequency, according to the difference of current register sub-district tranmitting frequency, UE adopted the set of parameter configuration radio-frequency emission power that is suitable for current carrier frequency.When UE was in different sub-districts, even UE is in the identical position of signal strength signal intensity, the power that UE sends to the base station was also inequality.Thereby can dynamically adjust the optimal value of penetrating power to one a suitable current area carrier frequency of UE.
As shown in Figure 4, one embodiment of the invention proposes a kind of UE of dynamic control inner loop power, comprising: receiver module 401, parsing module 402 and power control module 403, wherein:
Parsing module 402 is used for said alien frequencies switching command is resolved, and therefrom extracts the frequency values of Target cell;
Power control belongs to up inner loop power control in the present embodiment; Receiver module 401 is handled the semaphore from different districts through RAKE receiver among the UE, to these semaphores, when the signal quality of judging the current register cell carrier frequencies has been lower than predetermined threshold; UE informs network side RRC; Network side RRC starts the alien frequencies direct-cut operation, and notice UE measures the alien-frequency district signal, and UE reports RRC with different-frequency measure information according to the measurement control report form of prior agreement; RRC carries out analysis and judgement to the different-frequency measure reporting that UE reports; When RRC judges the alien-frequency district signal quality and is higher than the certain thresholding of current register cell carrier frequencies signal quality, then issue the order of alien frequencies direct-cut operation to UE, notice UE switches to the sub-district of assigned frequency.
Wherein, Target cell is meant the sub-district that will switch of the sub-district of the current register before relative UE carries out switching between frequency, and after UE carried out switching between frequency, Target cell then became the current register sub-district.
After receiver module 401 receives the alien frequencies switching command that RRC sends; Triggering 402 pairs of these alien frequencies switching commands of parsing module resolves; Therefrom extract the frequency values of the sub-district that will switch,, and the frequency values of Target cell sent to power control module 403 as the frequency values of Target cell.
In the practical implementation process, as shown in Figure 5, power control module 403 comprises: comparing unit 4031, lead-out unit 4032 and adjustment unit 4033, wherein:
Comparing unit 4031 is used for the frequency values of comparison object sub-district and the frequency values of current register sub-district;
Lead-out unit 4032 is used for when the frequency values of the frequency values of Target cell and current register sub-district is inequality, from NV, derives the radio frequency parameter with the frequency values coupling of Target cell;
Adjustment unit 4033 is used for the transmitting power of radio frequency parameter adjustment UE of the frequency values coupling of basis and Target cell.
Further, adjustment unit 4033 also is used for frequency values when the frequency values of Target cell and current register sub-district when identical, does not adjust the transmitting power of UE.
As shown in Figure 6, another embodiment of the present invention proposes a kind of UE of dynamic control inner loop power, on the basis of the foregoing description, also comprises:
Module 404 is set, is used for being provided with the radio frequency parameter of corresponding different frequency range at NV.
The difference of present embodiment and the foregoing description is; The prerequisite of Poewr control method is in the NV of UE, to preset and preserve the radio frequency parameter that is applicable to different frequency range in the foregoing description; Being provided with of this radio frequency parameter can be provided with by UE self, also can and be kept at UE this locality by other network element setting.
Present embodiment is when carrying out inner loop power control; At first the module 404 that is provided with by UE self is provided with the radio frequency parameter that is applicable to different frequency range; And be kept at this locality; When carrying out switching between frequency with convenient UE, power control module 403 derives the radio frequency parameter that is fit to current frequency range and carries out the adjustment of transmitting power from NV.Other are same as the previously described embodiments.
The embodiment of the invention is dynamically controlled the method and the UE of inner loop power; When UE carried out switching between frequency, according to the difference of the tranmitting frequency of Target cell, UE adopted the set of parameter configuration radio-frequency emission power of the carrier frequency that is suitable for Target cell; Thereby dynamically adjustment is suitable for the radio-frequency emission power of the carrier frequency of Target cell; Realized under the prerequisite that does not influence user experience, reducing offered load as far as possible, and prolonged the stand-by time of mobile phone.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a method of dynamically controlling inner loop power is characterized in that, comprising:
User terminal UE receives the alien frequencies switching command that radio resource control layer RRC sends;
Said alien frequencies switching command is resolved, therefrom extract the frequency values of Target cell;
According to the radio frequency parameter of corresponding different frequency range among the frequency values of the frequency values of said Target cell, current register sub-district and the NV that presets, inner loop power is controlled.
2. method according to claim 1 is characterized in that, the radio frequency parameter of corresponding different frequency range among the frequency values of said frequency values, current register sub-district and the NV that presets according to Target cell, and the step that inner loop power is controlled comprises:
The frequency values of the frequency values of more said Target cell and current register sub-district;
When the frequency values of the frequency values of said Target cell and current register sub-district is inequality, from said NV, derive radio frequency parameter with the frequency values coupling of said Target cell;
Adjust the transmitting power of said UE according to the radio frequency parameter of the frequency values coupling of said and Target cell.
3. method according to claim 2 is characterized in that, the radio frequency parameter of corresponding different frequency range among the frequency values of said frequency values, current register sub-district and the NV that presets according to Target cell, and the step that inner loop power is controlled further comprises:
When the frequency values of the frequency values of said Target cell and current register sub-district was identical, uncomfortable the haircuting of said UE penetrated power.
4. according to claim 1,2 or 3 described methods, it is characterized in that the step that said UE receives the alien frequencies switching command of RRC transmission also comprises before:
UE receives and handles the different districts signal through RAKE receiver; When the CF signal quality of said current register sub-district was lower than predetermined threshold, said UE reported different-frequency measure reporting to said RRC, sent said alien frequencies switching command according to said different-frequency measure reporting to said UE by said RRC.
5. method according to claim 4 is characterized in that, the step that said UE receives the alien frequencies switching command of RRC transmission also comprises before:
The radio frequency parameter of corresponding different frequency range is set in said NV.
6. a UE who dynamically controls inner loop power is characterized in that, comprising:
Receiver module is used to receive the alien frequencies switching command that RRC sends;
Parsing module is used for said alien frequencies switching command is resolved, and therefrom extracts the frequency values of Target cell;
The power control module is used for the frequency values of frequency values, current register sub-district according to said Target cell and the radio frequency parameter of the corresponding different frequency range of NV that presets, and inner loop power is controlled.
7. UE according to claim 6 is characterized in that, said power control module comprises:
Comparing unit is used for the frequency values of more said Target cell and the frequency values of current register sub-district;
Lead-out unit is used for when the frequency values of the frequency values of said Target cell and current register sub-district is inequality, from said NV, derives the radio frequency parameter with the frequency values coupling of said Target cell;
Adjustment unit is used for adjusting according to the radio frequency parameter of the frequency values coupling of said and Target cell the transmitting power of said UE.
8. UE according to claim 7 is characterized in that, said adjustment unit also is used for frequency values when the frequency values of said Target cell and current register sub-district when identical, does not adjust the transmitting power of said UE.
9. according to claim 6,7 or 8 described UE, it is characterized in that said receiver module also is used for receiving and handle the different districts signal through RAKE receiver; When the CF signal quality of said current register sub-district is lower than predetermined threshold, report different-frequency measure reporting to said RRC.
10. UE according to claim 9 is characterized in that, also comprises:
Module is set, is used for being provided with the radio frequency parameter of corresponding different frequency range at said NV.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103083996A CN102364980A (en) | 2011-10-12 | 2011-10-12 | Method and user equipment (UE) for dynamically controlling inner-loop power |
| PCT/CN2012/075464 WO2013053230A1 (en) | 2011-10-12 | 2012-05-14 | Method and ue for dynamic controlling inner-loop power |
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| CN2011103083996A CN102364980A (en) | 2011-10-12 | 2011-10-12 | Method and user equipment (UE) for dynamically controlling inner-loop power |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013053230A1 (en) * | 2011-10-12 | 2013-04-18 | 中兴通讯股份有限公司 | Method and ue for dynamic controlling inner-loop power |
| CN103596257A (en) * | 2012-08-14 | 2014-02-19 | 电信科学技术研究院 | A method, a system, and an apparatus for controlling uplink power |
| CN106888470A (en) * | 2015-12-16 | 2017-06-23 | 润建通信股份有限公司 | A set of wireless network performs channel measuring method and device |
| CN108738039A (en) * | 2017-04-19 | 2018-11-02 | 北京小米移动软件有限公司 | The configuration method and device of communication frequency band, electronic equipment, readable storage medium storing program for executing |
| CN109982352A (en) * | 2017-12-28 | 2019-07-05 | 中国移动通信集团设计院有限公司 | Alien frequencies switching method and device in TDD-LTE network |
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| CN101668319A (en) * | 2008-09-03 | 2010-03-10 | 中兴通讯股份有限公司 | Method and system for switching carrier waves in base station |
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| CN100382651C (en) * | 2004-12-09 | 2008-04-16 | 华为技术有限公司 | Method for realizing hard switching |
| US8285283B2 (en) * | 2007-12-13 | 2012-10-09 | Qualcomm Incorporated | Methods and apparatus for making a handoff determination as a function of service level indicating metrics |
| CN102056277B (en) * | 2009-11-10 | 2014-10-22 | 中兴通讯股份有限公司 | Method, device and system for determining downlink inner-loop power control mode |
| CN102364980A (en) * | 2011-10-12 | 2012-02-29 | 中兴通讯股份有限公司 | Method and user equipment (UE) for dynamically controlling inner-loop power |
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- 2011-10-12 CN CN2011103083996A patent/CN102364980A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101668319A (en) * | 2008-09-03 | 2010-03-10 | 中兴通讯股份有限公司 | Method and system for switching carrier waves in base station |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013053230A1 (en) * | 2011-10-12 | 2013-04-18 | 中兴通讯股份有限公司 | Method and ue for dynamic controlling inner-loop power |
| CN103596257A (en) * | 2012-08-14 | 2014-02-19 | 电信科学技术研究院 | A method, a system, and an apparatus for controlling uplink power |
| CN103596257B (en) * | 2012-08-14 | 2018-04-27 | 电信科学技术研究院 | A kind of method, system and device of uplink power control |
| CN106888470A (en) * | 2015-12-16 | 2017-06-23 | 润建通信股份有限公司 | A set of wireless network performs channel measuring method and device |
| CN108738039A (en) * | 2017-04-19 | 2018-11-02 | 北京小米移动软件有限公司 | The configuration method and device of communication frequency band, electronic equipment, readable storage medium storing program for executing |
| CN108738039B (en) * | 2017-04-19 | 2021-06-04 | 北京小米移动软件有限公司 | Communication frequency band configuration method and device, electronic equipment and readable storage medium |
| CN109982352A (en) * | 2017-12-28 | 2019-07-05 | 中国移动通信集团设计院有限公司 | Alien frequencies switching method and device in TDD-LTE network |
| CN109982352B (en) * | 2017-12-28 | 2022-04-15 | 中国移动通信集团设计院有限公司 | Pilot frequency switching method and device in TDD-LTE network |
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| Publication number | Publication date |
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| WO2013053230A1 (en) | 2013-04-18 |
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