CN102752842A - Transmission power control combination method during soft switch of mobile terminal and mobile terminal - Google Patents
Transmission power control combination method during soft switch of mobile terminal and mobile terminal Download PDFInfo
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- CN102752842A CN102752842A CN2012102078904A CN201210207890A CN102752842A CN 102752842 A CN102752842 A CN 102752842A CN 2012102078904 A CN2012102078904 A CN 2012102078904A CN 201210207890 A CN201210207890 A CN 201210207890A CN 102752842 A CN102752842 A CN 102752842A
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- 238000005259 measurement Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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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 embodiment of the invention provides a transmission power control combination method during soft switch of a mobile terminal and the mobile terminal. The method comprises the following steps of: performing signal quality measuring on each cell corresponding to all wireless link sets, and determining the wireless link sets satisfying a selection threshold according to the measuring result; and performing transmission power control combination on the wireless link sets selected by the selection threshold and the wireless link set corresponding to the current service cell according to a preset power control algorithm. In the embodiment, the wireless link sets are selected according to the selection threshold, and then the transmission power control combination is performed, so that a transmission power control order of UE is obtained, and the wireless link sets with poor quality are not subjected to transmission power control combination, so the situation that the transmission power of the UE cannot be raised caused by unreasonable network side parameter configuration or not timely deleting the poor wireless link sets is avoided; and the problems such as out-of-step of the UE and dropped call are reduced.
Description
Technical field
The present invention relates to wireless communication technology field, emission power control merging method and portable terminal when relating in particular to a kind of portable terminal soft handover.
Background technology
In order to reduce the interference between the user; Network Design be reduce as far as possible subscriber equipment (User Equipment, transmitting power UE) is at WCDMA (Wideband Code Division Multiple Access; WCDMA) in; UE is in soft handover and selects for use under the scene of power control algorithm 2, determines the TPC order jointly by a plurality of Radio Link collection that get into soft handover, and UE merges transmitting power control (the Transmit Power Control of each Radio Link collection according to power control algorithm 2; TPC), thus TPC order.
In power control algorithm 2, per 5 time slots carry out a power control, for some Radio Link collection, 5 continuous time slot all to receive identical TPC order, just can reduce or lifting power; For a plurality of Radio Link collection, as long as there is a Radio Link collection requirement to reduce power, UE will reduce power, reduce the purpose of disturbing to reach; Otherwise in the time of need being lifting power greater than the Radio Link collection of half, UE ability lifting power; Otherwise it is constant that UE keeps existing power.
In the process that realizes the embodiment of the invention, the inventor finds to need only the Radio Link collection that gets into soft handover in the prior art, all is used for carrying out TPC and merges, and wherein, the Radio Link collection comprises a service link collection and an above non-service link collection.When non-service link collection dtr signal, be difficult to guarantee that the TPC order of 5 time slots is identical, make that the TPC order of final non-service link collection is 0; And power control algorithm 2 require to surpass the TPC order of the Radio Link collection of half be 1 o'clock could lifting power; When so in a single day having the non-service link collection of more dtr signal, UE is difficult to the lifting transmitting power, makes NodeB (node B) uplink demodulation fail; Can't carry out subsequent communications, finally cause the situation of UE step-out, dropped calls to take place.
Summary of the invention
Emission power control merging method and portable terminal when the embodiment of the invention provides a kind of portable terminal soft handover; Use so that second-rate Radio Link collection is not launched the power control merging; Thereby do not influence the possibility of UE lifting transmitting power, reduced the generation of situation such as UE step-out, dropped calls.
Emission power control merging method when the embodiment of the invention provides a kind of portable terminal soft handover; Comprise: each sub-district to all Radio Link set pairs are answered is carried out signal quality measured; Confirm to satisfy the Radio Link collection of selecting thresholding according to measurement result; Wherein, said selection thresholding is according to the preset threshold values of signal quality, to be used for concentrating the Radio Link collection of selecting participation emission power control merging at all Radio Links; The Radio Link collection that will choose according to said selection thresholding, and the pairing Radio Link collection of current Serving cell are launched power control according to preset power control algorithm and are merged.
The embodiment of the invention provides a kind of portable terminal; Comprise: first functional module; Be used for each sub-district that all Radio Link set pairs are answered is carried out signal quality measured, confirm to satisfy select the Radio Link collection of thresholding according to measurement result, wherein; Said selection thresholding is according to the preset threshold values of signal quality, to be used for concentrating the Radio Link collection of selecting participation emission power control merging at all Radio Links; Second functional module is used for the Radio Link collection that chooses according to said selection thresholding, and the pairing Radio Link collection of current Serving cell, launches power control according to preset power control algorithm and merges.
Emission power control merging method and portable terminal during portable terminal soft handover that the embodiment of the invention provides; Emission power control through selecting thresholding Radio Link collection that the quality that chooses is higher and the current pairing Radio Link collection of Serving cell merges; Obtain the emission power control commands of UE at last; This makes second-rate Radio Link collection not launch the power control merging; Thereby evade because the untimely UE transmitting power that causes of the unreasonable or relatively poor Radio Link collection of network side parameter configuration deletion can't lifting situation take place, reduced the generation of situation such as UE step-out, dropped calls.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done an introduction simply in will describing embodiment below; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the emission power control merging method during portable terminal soft handover that Fig. 1 provides for the embodiment of the invention one;
The schematic flow sheet of the emission power control merging method during portable terminal soft handover that Fig. 2 provides for the embodiment of the invention two;
The structural representation of the portable terminal that Fig. 3 provides for the embodiment of the invention one;
The structural representation of the portable terminal that Fig. 4 provides for the embodiment of the invention two.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Emission power control during portable terminal soft handover that Fig. 1 provides for one embodiment of the invention merges method flow diagram, and as shown in Figure 1, the method for present embodiment comprises the steps:
Soft handover is that portable terminal switches to another sub-district from a sub-district; Portable terminal is in the process of soft handover; Can be connected with an above sub-district among and the above NodeB; Wherein portable terminal is called Radio Link with the link that is connected of each sub-district, and the set that belongs to the Radio Link among the same NodeB is called the Radio Link collection.When at first portable terminal being carried out soft handover and portable terminal have the performance parameter that is used for the expression signal quality of each sub-district that all Radio Link set pairs of annexation answer to measure; Be used to represent the cell signal quality performance parameter can for received signal code power (Received Signal Code Power, RSCP), the Ec/N0 ratio of total interfering energy density (chip energy with) etc.The signal quality performance parameter that one of ordinary skill in the art will appreciate that measured sub-district does not limit at this for reflecting the parameter of cell signal quality quality.Can obtain the quality height of each Radio Link collection by each measured cell signal quality, thereby confirm to satisfy the higher Radio Link collection of quality of selecting thresholding.Wherein, said selection thresholding is according to the signal quality preset threshold value, to be used for concentrating the Radio Link collection of selecting participation emission power control merging at all Radio Links.One of ordinary skill in the art will appreciate that; The value that said preset threshold values is provided with according to factor such as performance parameter, application scenarios and those of ordinary skills' of the expression cell signal quality of measuring experience in advance is the height that boundary value can distinguish Radio Link collection quality with this value that is provided with in advance.
According to the selected corresponding thresholding of selecting of the measured performance parameter that is used for the expression signal quality, the quality that does not satisfy the Radio Link collection of selecting thresholding is lower, and this Radio Link collection is not launched power control and merged; The quality that satisfies the Radio Link collection of selecting thresholding is higher, selects this Radio Link collection to launch power control and merges; Wherein, Select thresholding no matter provide the pairing Radio Link collection of Serving cell of main service whether to satisfy to portable terminal; All selecting this Radio Link collection to launch power control merges; Because the transfer of data of portable terminal depends on this Serving cell, the transfer of data of HSDPA (High Speed Downlink Packet Access, high speed downlink packet insert) is not caused greater risk if the pairing Radio Link collection of this Serving cell is not participated in TPC merging meeting.At last the emission power control of selected each Radio Link collection that comes out and the current pairing Radio Link collection of Serving cell is merged the TPC order that obtains mobile terminal UE according to preset power control algorithm.
In the present embodiment, preset power control algorithm is specially, the power of begging to surrender if the emission power control commands that at least one Radio Link set pair is answered is indicated, and Power Processing falls in then said portable terminal; If the emission power control commands above the Radio Link set pair of half is answered representes to require power per liter, then said portable terminal carries out power per liter to be handled.
Emission power control merging method during portable terminal soft handover that present embodiment provides; Through confirming to satisfy the Radio Link collection of selecting thresholding; The emission power control of Radio Link collection that the quality of the satisfied selection thresholding that will choose then is higher and the current pairing Radio Link collection of Serving cell merges; Obtain the emission power control commands of UE at last; This makes second-rate Radio Link collection not launch power control to merge, thus evade because the untimely UE transmitting power that causes of the unreasonable or relatively poor Radio Link collection deletion of network side parameter configuration can't lifting situation take place, reduced the generation of situation such as UE step-out, dropped calls.
The schematic flow sheet of the emission power control merging method during portable terminal soft handover that Fig. 2 provides for the embodiment of the invention two, as shown in Figure 2, the method for present embodiment comprises the steps:
Step 201; The Ec/N0 information of each sub-district that all Radio Link set pairs are answered is measured; Choose each wireless links based on measurement result and concentrate the reference identification of maximum Ec/N0, and choose maximum in the pairing reference identification of each wireless links collection as maximum reference identification as this Radio Link collection;
In the present embodiment, selecting the performance parameter of Ec/N0 as the expression signal quality of sub-district, because Ec/N0 has not only embodied the intensity of signal but also can show interference level, is the parameter that can comprehensively represent the sub-district signal to noise ratio; Wherein, Every frame that is measured as to the Ec/N0 of each sub-district carries out once; The every frame of the measurement result of gained is also carried out Filtering Processing one time; To avoid cell signal bigger fluctuation to occur, be specially the 1/2alpha Filtering Processing, the result of calculation of gained present frame Ec/N0 is: the summation of 1/2nd values of 1/2nd values of the Ec/N0 that former frame calculates and the Ec/N0 that present frame measures.Choose the Ec/N0 of maximum that each wireless links concentrates the sub-district as the reference identification of this Radio Link collection; Because the value of the Ec/N0 of sub-district is big more; The signal that the sub-district is described is good more, if Radio Link concentrates the non-conformity of quality of the best sub-district of signal to close requirement, it is also undesirable that then this Radio Link is concentrated the quality of other sub-district; Comprehensive, the quality of this Radio Link collection is lower; And choose maximum in the pairing reference identification of each wireless links collection as maximum reference identification; Promptly choose the best Radio Link collection of each Radio Link lumped mass Radio Link collection as a reference; If the quality of the Radio Link collection of the quality of Radio Link collection and reference differs far away, then this Radio Link collection is not participated in the TPC merging.
In the present embodiment, do not participate in launching reference identification that Radio Link set pair that power control merges answers less than first threshold values-18 decibel (dB), and/or the absolute value of said reference identification and said maximum reference identification difference is greater than the second threshold values 8dB.
One of ordinary skill in the art will appreciate that measuring intervals of TIME, filter processing method and coefficient, first threshold values and second threshold values of Ec/N0 all had nothing in common with each other according to the portable terminal and the scene of reality, and therefore, the present invention does not limit at this.
Step 203, the Radio Link collection that will choose according to said selection thresholding, and the pairing Radio Link collection of current Serving cell are launched power control according to preset power control algorithm and are merged.
The reference identification of answering when the Radio Link set pair is less than-18dB; The quality that this Radio Link collection is described is lower, and this Radio Link collection is not participated in TPC and merged, and the reference identification of answering when the Radio Link set pair and the absolute value of said maximum reference identification difference are greater than 8dB; The quality that this Radio Link collection is described is lower; This Radio Link collection is not participated in TPC and is merged, wherein, no matter how many reference identification that provides the pairing Radio Link set pair of Serving cell of main service to answer to portable terminal is; All selecting this Radio Link collection to participate in TPC merges; Because the transfer of data of portable terminal depends on this Serving cell, the transfer of data of HSDPA (High Speed Downlink Packet Access, high speed downlink packet insert) is not caused greater risk if the pairing Radio Link collection of this Serving cell is not participated in TPC merging meeting.At last the emission power control of selected each Radio Link collection that comes out and the current pairing Radio Link collection of Serving cell is merged the TPC order that obtains mobile terminal UE according to preset power control algorithm.
In the present embodiment, preset power control algorithm is specially, the power of begging to surrender if the emission power control commands that at least one Radio Link set pair is answered is indicated, and Power Processing falls in then said portable terminal; If the emission power control commands above the Radio Link set pair of half is answered representes to require power per liter, then said portable terminal carries out power per liter to be handled.
The emission power control that present embodiment provides merges processing method; Adopt and measure the quality that Ec/N0 weighs the Radio Link collection; Merge through making lower second-rate Radio Link collection of Ec/N0 and the relative lower second-rate Radio Link collection of Ec/N0 not launch power control; And the emission power control of higher Radio Link collection of the quality of the satisfied selection thresholding that will choose and the current pairing Radio Link collection of Serving cell merges; Obtain the emission power control commands of UE at last; This makes second-rate Radio Link collection not launch power control to merge, thus evade because the untimely UE transmitting power that causes of the unreasonable or relatively poor Radio Link collection deletion of network side parameter configuration can't lifting situation take place, reduced the generation of situation such as UE step-out, dropped calls.
The structural representation of the portable terminal that Fig. 3 provides for the embodiment of the invention one; As shown in Figure 3; This emission power control merges handle mobile terminal and comprises first functional module 11 and second functional module 12, and wherein, first functional module 11 is used for carrying out signal quality measured to each sub-district that all Radio Link set pairs are answered; Confirm to satisfy the Radio Link collection of selecting thresholding according to measurement result; Wherein, said selection thresholding is according to the preset threshold values of signal quality, to be used for concentrating the Radio Link collection of selecting participation emission power control merging at all Radio Links; Second functional module 12 is used for the Radio Link collection that chooses according to said selection thresholding, and the pairing Radio Link collection of current Serving cell, launches power control according to preset power control algorithm and merges.Wherein, preset power control algorithm is specially, the power of begging to surrender if the emission power control commands that at least one Radio Link set pair is answered is indicated, and Power Processing falls in then said portable terminal; If the emission power control commands above the Radio Link set pair of half is answered representes to require power per liter, then said portable terminal carries out power per liter to be handled.
The portable terminal that present embodiment provides can be used to carry out the technical scheme of above-mentioned method embodiment shown in Figure 1, and it realizes that the philosophy and technique effect is similar, repeats no more here.
The structural representation of the portable terminal that Fig. 4 provides for the embodiment of the invention two; As shown in Figure 4, the portable terminal that present embodiment provides is on the basis of portable terminal shown in Figure 3, further; Said first functional module 11 comprises: the first module 111 and second unit 112; Wherein, first module 111, the Ec/N0 information of each sub-district that is used for all Radio Link set pairs are answered is measured; Choose each wireless links according to measurement result and concentrate the reference identification of maximum Ec/N0, and choose maximum in the pairing reference identification of each wireless links collection as maximum reference identification as this Radio Link collection; Second unit 112; Be used for confirm participating in the Radio Link collection that the emission power control merges, do not participate in launching reference identification that Radio Link set pair that power control merges answers less than the absolute value of first threshold values and/or said reference identification and said maximum reference identification difference greater than second threshold values.
In the present embodiment, first module 111 comprises first subelement and second subelement.Particularly, first subelement, the Ec/N0 of each sub-district that is used for all Radio Link set pairs are answered measures the acquisition measurement result, and said measurement result is carried out the 1/2ahpla Filtering Processing; Second subelement is used for choosing a Radio Link according to said measurement result and concentrates the reference identification of maximum Ec/N0 as this Radio Link collection, and chooses maximum in the pairing reference identification of each Radio Link collection as maximum reference identification.
The portable terminal of present embodiment specifically can be carried out technical scheme shown in Figure 2, and its realization principle and technique effect are similar, repeat no more here.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each method embodiment can be accomplished through the relevant hardware of program command.Aforesaid program can be stored in the computer read/write memory medium.This program the step that comprises above-mentioned each method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above each embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (8)
1. launch power control merging method for one kind, the emission power control TPC when being used for the portable terminal soft handover merges, and it is characterized in that, comprising:
Each sub-district to all Radio Link set pairs are answered is carried out signal quality measured;
Confirm to satisfy the Radio Link collection of selecting thresholding according to measurement result, wherein, said selection thresholding is according to the signal quality preset threshold value, to be used for participating in the Radio Link collection that the emission power control merges concentrated the selecting of all Radio Links;
The Radio Link collection that will choose according to said selection thresholding, and the pairing Radio Link collection of current Serving cell are launched power control according to preset power control algorithm and are merged.
2. method according to claim 1 is characterized in that, said each sub-district that all Radio Link set pairs are answered is carried out signal quality measured, confirms to satisfy according to measurement result and selects the Radio Link collection of thresholding to comprise:
The Ec/N0 information of each sub-district that all Radio Link set pairs are answered is measured; Choose each wireless links based on measurement result and concentrate the reference identification of maximum Ec/N0, and choose maximum in the pairing reference identification of each wireless links collection as maximum reference identification as this Radio Link collection;
Confirm to participate in the Radio Link collection that the emission power control merges; Do not participate in launching reference identification that Radio Link set pair that power control merges answers less than first threshold, and/or the absolute value of said reference identification and said maximum reference identification difference is greater than second threshold value.
3. method according to claim 2 is characterized in that, the Ec/N0 of said each sub-district that all Radio Link set pairs are answered measures and obtains also to comprise after the measurement result:
Said measurement result is carried out the 1/2alpha Filtering Processing.
4. according to the arbitrary described method of claim 1-3, it is characterized in that said preset power control algorithm comprises:
The power of begging to surrender if the emission power control commands that has at least a wireless links set pair to answer is indicated, Power Processing falls in then said portable terminal;
If the emission power control commands above the Radio Link set pair of half is answered representes to require power per liter, then said portable terminal carries out power per liter to be handled.
5. a portable terminal is characterized in that, comprising:
First functional module; Be used for carrying out signal quality measured to each sub-district that all Radio Link set pairs are answered; Confirm to satisfy the Radio Link collection of selecting thresholding according to measurement result; Wherein, said selection thresholding is according to the preset threshold values of signal quality, to be used for concentrating the Radio Link collection of selecting participation emission power control merging at all Radio Links;
Second functional module is used for the Radio Link collection that chooses according to said selection thresholding, and the pairing Radio Link collection of current Serving cell, launches power control according to preset power control algorithm and merges.
6. portable terminal according to claim 5 is characterized in that, said first functional module comprises:
First module; The Ec/N0 information of each sub-district that is used for all Radio Link set pairs are answered is measured; Choose each wireless links based on measurement result and concentrate the reference identification of maximum Ec/N0, and choose maximum in the pairing reference identification of each wireless links collection as maximum reference identification as this Radio Link collection;
Unit second is used for confirming to participate in the Radio Link collection that the emission power control merges; Do not participate in launching reference identification that Radio Link set pair that power control merges answers less than the absolute value of first threshold and/or said reference identification and said maximum reference identification difference greater than second threshold value.
7. portable terminal according to claim 5 is characterized in that, said first module comprises:
First subelement, the Ec/N0 of each sub-district that is used for all Radio Link set pairs are answered measures the acquisition measurement result, and said measurement result is carried out the 1/2alpha Filtering Processing;
Second subelement is used for choosing a Radio Link according to said measurement result and concentrates the reference identification of maximum Ec/N0 as this Radio Link collection, and chooses maximum in the pairing reference identification of each Radio Link collection as maximum reference identification.
8. according to the arbitrary described portable terminal of claim 5-7, it is characterized in that said preset power control algorithm comprises:
The power of begging to surrender if the emission power control commands that has at least a wireless links set pair to answer is indicated, Power Processing falls in then said portable terminal;
If the emission power control commands above the Radio Link set pair of half is answered representes to require power per liter, then said portable terminal carries out power per liter to be handled.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210207890.4A CN102752842B (en) | 2012-06-21 | 2012-06-21 | Transmitting power control merging method during mobile terminal soft handover and mobile terminal |
| PCT/CN2013/077667 WO2013189307A1 (en) | 2012-06-21 | 2013-06-21 | Method of combining transmission power control during soft handover of mobile terminal, and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210207890.4A CN102752842B (en) | 2012-06-21 | 2012-06-21 | Transmitting power control merging method during mobile terminal soft handover and mobile terminal |
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| CN102752842A true CN102752842A (en) | 2012-10-24 |
| CN102752842B CN102752842B (en) | 2016-03-09 |
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Cited By (5)
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| WO2013189307A1 (en) * | 2012-06-21 | 2013-12-27 | 华为技术有限公司 | Method of combining transmission power control during soft handover of mobile terminal, and mobile terminal |
| CN104661298A (en) * | 2013-11-25 | 2015-05-27 | 华为技术有限公司 | Power control processing method, user equipment and base station |
| CN105451318A (en) * | 2014-07-31 | 2016-03-30 | 展讯通信（上海）有限公司 | Transmitting power control system and method and mobile terminal |
| WO2017067521A1 (en) * | 2015-10-23 | 2017-04-27 | Huawei Technologies Co., Ltd. | Apparatus and method for transmit power control command transmission |
| WO2018027946A1 (en) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | Small cell acquisition method and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013189307A1 (en) * | 2012-06-21 | 2013-12-27 | 华为技术有限公司 | Method of combining transmission power control during soft handover of mobile terminal, and mobile terminal |
| CN104661298A (en) * | 2013-11-25 | 2015-05-27 | 华为技术有限公司 | Power control processing method, user equipment and base station |
| CN105451318A (en) * | 2014-07-31 | 2016-03-30 | 展讯通信（上海）有限公司 | Transmitting power control system and method and mobile terminal |
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| WO2018027946A1 (en) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | Small cell acquisition method and terminal |
| US10945183B2 (en) | 2016-08-12 | 2021-03-09 | Huawei Technologies Co., Ltd. | Cell obtaining method, and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102752842B (en) | 2016-03-09 |
| WO2013189307A1 (en) | 2013-12-27 |
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