CN107241792A - Bandwidth receives total power value control method, device and communication system - Google Patents
Bandwidth receives total power value control method, device and communication system Download PDFInfo
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- CN107241792A CN107241792A CN201610184822.9A CN201610184822A CN107241792A CN 107241792 A CN107241792 A CN 107241792A CN 201610184822 A CN201610184822 A CN 201610184822A CN 107241792 A CN107241792 A CN 107241792A
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- power value
- total power
- bandwidth
- modification rule
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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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
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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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a kind of bandwidth and receives total power value control method, device and communication system, and this method includes：Obtain the actual RTWP value of current area；According to actual RTWP value and modification rule, generation access RTWP value；Access RTWP value is sent to user terminal.Pass through the implementation of the present invention, after the current RTWP value of cell is got, need according to modification rule and current RTWP value, generation access RTWP value, the control of access RTWP value during to terminal access system can thus be realized, and then can just dock and be modified into RTWP value when cell is abnormal, rather than current RTWP value is directly used as the access RTWP value of mobile terminal, can thus alleviate that existing RTWP is extremely soaring to cause the problem of UE is accessed with larger initial power.
Description
Technical field
Total power value control method, device are received the present invention relates to the communications field, more particularly to a kind of bandwidth
And communication system.
Background technology
According to the agreements of 3GPP 25.433, in WCDMA (Wideband Code Division Multiple
Access, WCDMA) mobile communication technology field, especially UMTS (Universal Mobile
Telecommunications System, UMTS), base station NodeB will be by public
The RTWP that measurement report is got (received total wideband power, bandwidth receives general power)
Value is filled up to the SIB7 (System information block 7, system information block 7) of system information renewal
In, user terminal UE, UE are sent in system information broadcast and adjusts access power according to the value with suitable
Answer the channel quality of current area.
But in systems in practice, often occur that RTWP is extremely soaring, cause UE with larger initial
Power is accessed, and this can further speed up the soaring of RTWP, have a strong impact on uplink service, such as HSUPA
(high speed uplink packet access, High Speed Uplink Packet access) business, works as RTWP
During rise, HSUPA service rates will decline, accordingly, it would be desirable to which a kind of method to carry out the RTWP value
Control.The reason for RTWP rises can only be caused from periphery investigation at present, it is very passive in process problem,
Often serious puzzlement is brought to the stability of a system.
In view of the above-mentioned problems, proposing that a kind of existing RTWP of alleviation is extremely soaring causes UE with larger initial
The RTWP value control method of power access, is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is existing to alleviate the invention provides a kind of RTWP value control method, device and communication system
RTWP is extremely soaring to cause the problem of UE is accessed with larger initial power.
The invention provides a kind of RTWP value control method, it includes：
Obtain the actual RTWP value of current area；
According to actual RTWP value and modification rule, generation access RTWP value；
Access RTWP value is sent to user terminal.
Further, modification rule includes：Directly using actual RTWP value as access RTWP value,
Or generation access RTWP value or use are modified to actual RTWP value using correction algorithm
Absolute value is used as actual RTWP value；Generation access RTWP value includes：When modification rule is directly will
When actual RTWP value is as access RTWP value, directly actual RTWP value is regard as access RTWP
Value；When modification rule is that generation access RTWP is modified to actual RTWP value using correction algorithm
During value, generation access RTWP value is modified to actual RTWP value using correction algorithm；Work as amendment
Rule is that when using absolute value as actual RTWP value, actual RTWP value is used as using absolute value.
Further, before the actual RTWP value of current area is obtained, in addition to：Selected according to user
Operation is selected, selects a kind of as default modification rule from modification rule；According to actual RTWP value and repair
Positive rule, generation access RTWP value includes：According to default modification rule and actual RTWP value,
Generation access RTWP value.
Further, according to actual RTWP value and modification rule, generation access RTWP value includes：
According to actual RTWP value, corresponding modification rule is as target modification rule from modification rule, according to mesh
Mark modification rule and actual RTWP value, generation access RTWP value.
Further, according to actual RTWP value, corresponding modification rule is repaiied as target from modification rule
Positive rule includes：According to the size of actual RTWP value, the communication quality of cell is determined, according to communication matter
Amount and the corresponding relation of modification rule, determine target modification rule.
Further, correction algorithm is：Access RTWP value=- 106+ (actual RTWP value+106) * 0.5
dBm。
The invention provides a kind of RTWP value control device, it includes：
Acquisition module, the actual RTWP value for obtaining current area；
Generation module, for according to actual RTWP value and modification rule, generation access RTWP value；
Sending module, for sending access RTWP value to user terminal.
Further, modification rule includes：Directly using actual RTWP value as access RTWP value,
Or generation access RTWP value or use are modified to actual RTWP value using correction algorithm
Absolute value is used as actual RTWP value；Generation module is used for when modification rule is directly by actual RTWP
When value is as access RTWP value, directly actual RTWP value is regard as access RTWP value；Work as amendment
Rule is when generation access RTWP value is modified to actual RTWP value using correction algorithm, to use
Correction algorithm is modified generation access RTWP value to actual RTWP value；When modification rule is use
When absolute value is as actual RTWP value, actual RTWP value is used as using absolute value.
Further, generation module is additionally operable to basis before the actual RTWP value of current area is obtained
User's selection operation, selects a kind of as default modification rule from modification rule；Generation module is specifically used
According to default modification rule and actual RTWP value, generation access RTWP value.
Further, generation module according to actual RTWP value is corresponding from modification rule specifically for repairing
Positive rule is as target modification rule, according to target modification rule and actual RTWP value, generation access
RTWP value.
Further, generation module determines the logical of cell specifically for the size according to actual RTWP value
Believe quality, according to communication quality and the corresponding relation of modification rule, determine target modification rule.
Further, correction algorithm is：Access RTWP value=- 106+ (actual RTWP value+106) * 0.5
dBm。
The invention provides a kind of communication system, it includes：User terminal and base station, base station are provided with this
The RTWP value control device provided is provided.
Beneficial effects of the present invention：
The invention provides a kind of RTWP value control method, the current RTWP value of cell is being got
Afterwards, it is necessary to which according to modification rule and current RTWP value, generation access RTWP value thus may be used
To realize the control of access RTWP value during to terminal access system, and then just can be with when cell is abnormal
Access RTWP value is modified, rather than directly uses current RTWP value as mobile terminal
RTWP value is accessed, can thus alleviate that existing RTWP is extremely soaring to cause UE with larger initial power
The problem of rate is accessed.
Brief description of the drawings
The structural representation for the RTWP value control device that Fig. 1 provides for first embodiment of the invention；
The flow chart for the RTWP value control method that Fig. 2 provides for second embodiment of the invention；
The data exchange flow process figure of functional module in the base station that Fig. 3 provides for third embodiment of the invention；
Fig. 4 is the flow chart of RTWP value control method in third embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is a part of embodiment in the present invention, and
The embodiment being not all of.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
Further annotation explanation is now made to the present invention by way of embodiment combination accompanying drawing.
First embodiment：
The structural representation for the RTWP value control device that Fig. 1 provides for first embodiment of the invention, by scheming
1 understands, in the present embodiment, and the RTWP value control device 1 that the present invention is provided includes：
Acquisition module 11, the actual RTWP value for obtaining current area；
Generation module 12, for according to actual RTWP value and modification rule, generation access RTWP value；
Sending module 13, for sending access RTWP value to user terminal.
In certain embodiments, the modification rule in above-described embodiment includes：Directly by actual RTWP
Value is as access RTWP value or is modified generation to actual RTWP value using correction algorithm and connects
Enter RTWP value or using absolute value as actual RTWP value；Generation module 12 is used for when amendment
When rule is directly using actual RTWP value as access RTWP value, directly actual RTWP value is made
For access RTWP value；When modification rule is to be modified life to actual RTWP value using correction algorithm
During into access RTWP value, generation access RTWP is modified to actual RTWP value using correction algorithm
Value；When modification rule is to use absolute value as actual RTWP value, reality is used as using absolute value
RTWP value.
In certain embodiments, the generation module 12 in above-described embodiment is obtaining the reality of current area
Before RTWP value, it is additionally operable to according to user's selection operation, selects a kind of as default from modification rule
Modification rule；Generation module is specifically for according to default modification rule and actual RTWP value, generation connects
Enter RTWP value.
In certain embodiments, the generation module 12 in above-described embodiment is specifically for according to actual RTWP
Value from modification rule corresponding modification rule as target modification rule, according to target modification rule and
Actual RTWP value, generation access RTWP value.
In certain embodiments, the generation module 12 in above-described embodiment is specifically for according to actual RTWP
The size of value, determines the communication quality of cell, according to communication quality and the corresponding relation of modification rule, really
Set the goal modification rule.
In certain embodiments, the correction algorithm in above-described embodiment is：Access RTWP value=- 106+ (real
Border RTWP value+106) * 0.5dBm.
Corresponding, the invention provides a kind of communication system, it includes：User terminal and base station, base station
It is provided with the RTWP value control device 1 that the present invention is provided.
Second embodiment：
The flow chart for the RTWP value control method that Fig. 2 provides for second embodiment of the invention, by Fig. 2
Understand, in the present embodiment, the RTWP value control method that the present invention is provided comprises the following steps：
S201：Obtain the actual RTWP value of current area；
S202：According to actual RTWP value and modification rule, generation access RTWP value；
S203：Access RTWP value is sent to user terminal.
In certain embodiments, the modification rule in above-described embodiment includes：Directly by actual RTWP
Value is modified generation access as access RTWP value, using correction algorithm to actual RTWP value
RTWP value, actual RTWP value is used as using absolute value；Generation access RTWP value includes：When repairing
When positive rule is directly using actual RTWP value as access RTWP value, directly by actual RTWP value
It is used as access RTWP value；When modification rule is that actual RTWP value is modified using correction algorithm
During generation access RTWP value, generation access is modified to actual RTWP value using correction algorithm
RTWP value；When modification rule is to use absolute value as actual RTWP value, using absolute value conduct
Actual RTWP value.
In certain embodiments, the method in above-described embodiment is obtaining the actual RTWP of current area
Before value, in addition to：According to user's selection operation, select a kind of as default amendment from modification rule
Rule；S202 in above-described embodiment includes：According to default modification rule and actual RTWP value,
Generation access RTWP value.
In certain embodiments, the S202 in above-described embodiment includes：According to actual RTWP value from repairing
Corresponding modification rule is as target modification rule in positive rule, according to target modification rule and reality
RTWP value, generation access RTWP value.
In certain embodiments, being corresponded to according to actual RTWP value from modification rule in above-described embodiment
Modification rule include as target modification rule：According to the size of actual RTWP value, cell is determined
Communication quality, according to communication quality and the corresponding relation of modification rule, determines target modification rule.
In certain embodiments, the correction algorithm in above-described embodiment is：Access RTWP value=- 106+ (real
Border RTWP value+106) * 0.5dBm.
3rd embodiment：
Further annotation explanation is done to the present invention in conjunction with concrete application scene.
Under UMTS standards, if the RTWP value in Cell Broadcast CB is abnormal, UE is with than relatively high power
Cell is accessed, causes power system capacity to decline, has a strong impact on the stability of a system.The present invention by before broadcast,
It is modified that can to effectively antagonize the value too fast soaring to RTWP, solves the problem.Specifically, NodeB
Algorithm indicator (the amendment rule i.e. in above-described embodiment of parameter setting are reserved according to webmaster UMTS
Then), the RTWP processing reported according to respective algorithms to base band, by the new RTWP obtained after calculating
Value is written to the UL-interference positions in SIB7, and UE is broadcast to using subsequent Cell Broadcast CB.
The algorithm indicator that UMTS reserves parameter has three kinds：Default value is actual RTWP value；Relative value is pressed
Current RTWP value is converted according to given formula；Absolute value directly configures RTWP value for desired value.
Specifically, the RTWP value control method that the present embodiment is provided includes：
Step 1：Parameter configuration RTWP algorithm indicator is reserved in the UMTS of webmaster instrument, and
Configuration is synchronized to NodeB；
Step 2：After cell is set up, measurement module periodic harvest DSP (digital signal processor,
Digital signal processor) RTWP value that reports, and the value is reported into cell module；
Step 3：RTWP value recorded example area by cell, and start sib7 processes；
Step 4：During sib7, the algorithm indicator configured according to webmaster instrument, in sib
UL interference IE value correct.If configured to 0, then using default value, i.e., with not opening
Open identical during the function；If configured to 1, then using relative configuration, according to rtwp_sib7=-106+
(rtwp_current+106) * 0.5dBm are corrected to current RTWP, and wherein rtwp_current is current
The value that measurement module is reported, rtwp_sib7 is revised value；If configured between [70,110], then
Rtwp_sib7=0- Configuration Values；If configured to other any values, then be illegal value, the performance of system with
It is identical during default value.
Step 5：Revised RTWP value is written to broadcast buffering area by sib7 processes, waits DSP
It is broadcasted away when broadcasting next time.
Algorithm indicator in the present embodiment is as shown in table 1 below：
Table 1
Scene one
As shown in figure 3, on base station after electricity, the RTWP value control method that the present invention is provided includes：
S301：Parameter configuration algorithm is reserved by the UMTS of webmaster instrument, configuration data is synchronized to
Base station；
S302：The base-band resource processing subsystem of base station receives the configuration, and sets respective algorithms.
S303：Base-band resource processing subsystem is adopted after the RTWP measured values that DSP is reported are received
After being handled with the algorithm of setting it, in the sib7 for being filled up to system information renewal；
S304：Base-band resource processing subsystem is deposited into broadcast buffering area.
S305：In broadcast next time, the RTWP value is broadcasted by DSP.
Scene two
As shown in figure 4, the RTWP value control method that the present invention is provided includes：
S401：RTWP value is reported to base-band resource processing subsystem by DSP module；
S402-S408：Base-band resource processing subsystem starts sib7 processes, performs the algorithm of setting, calculates
Method can be one of following three kinds：
A) default value, it is current actual value to set RTWP in SIB7；
B) relative value, it is -106+ (currency+106) * 0.5 to set RTWP in SIB7；
C) absolute value, it is the value configured to set RTWP in SIB7.
S409：RTWP value is filled up in the sib7 of system information renewal by base-band resource processing subsystem,
It is deposited into broadcast buffering area, waits DSP to be broadcasted the RTWP value in broadcast next time.
The present invention the change of base station local environment more acutely, channel quality saltus step is very fast, receive broadband bottom
In the case of exception of making an uproar is elevated, Cell Broadcast CB is handled according to corresponding algorithm, UE is received
Broadcast in RTWP value occur without abnormal saltus step and quick soaring, solve when channel quality is poor
UE directly causes the problem of system is unstable with being accessed than larger power.
In summary, by the implementation of the present invention, at least there is following beneficial effect：
The invention provides a kind of RTWP value control method, the current RTWP value of cell is being got
Afterwards, it is necessary to which according to modification rule and current RTWP value, generation access RTWP value thus may be used
To realize the control of access RTWP value during to terminal access system, and then just can be with when cell is abnormal
Access RTWP value is modified, rather than directly uses current RTWP value as mobile terminal
RTWP value is accessed, can thus alleviate that existing RTWP is extremely soaring to cause UE with larger initial power
The problem of rate is accessed.
It the above is only the embodiment of the present invention, any formal limit not done to the present invention
System, it is any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent
Change, with reference to or modification, still fall within the protection domain of technical solution of the present invention.
Claims (13)
1. a kind of bandwidth receives total power value control method, it is characterised in that including：
The actual bandwidth for obtaining current area receives total power value；
Total power value and modification rule are received according to the actual bandwidth, generation access bandwidth receives general power
Value；
Send the access bandwidth and receive total power value to user terminal.
2. bandwidth as claimed in claim 1 receives total power value control method, it is characterised in that described
Modification rule includes：The actual bandwidth is directly received to total power value as the access bandwidth and receives total
Performance number or total power value is received to the actual bandwidth using correction algorithm to be modified generation described
Access bandwidth receives total power value or using absolute value as actual bandwidth reception total power value；
The generation access bandwidth, which receives total power value, to be included：When the modification rule is directly by the actual band
When width receives total power value as access bandwidth reception total power value, directly the actual bandwidth is connect
Total power value is received as the access bandwidth and receives total power value；When the modification rule is to be calculated using amendment
Method receives total power value to the actual bandwidth and is modified the generation access bandwidth reception total power value
When, total power value is received to the actual bandwidth using correction algorithm and is modified the generation access bandwidth
Receive total power value；When the modification rule is as actual bandwidth reception general power using absolute value
During value, total power value is received as the actual bandwidth using absolute value.
3. bandwidth as claimed in claim 2 receives total power value control method, it is characterised in that obtaining
Take current area actual bandwidth receive total power value before, in addition to：According to user's selection operation, from
Select a kind of as default modification rule in the modification rule；It is described to receive total according to the actual bandwidth
Performance number and modification rule, generation access bandwidth, which receives total power value, to be included：According to the default amendment rule
Then and the actual bandwidth receives total power value, generate the access bandwidth and receive total power value.
4. bandwidth as claimed in claim 2 receives total power value control method, it is characterised in that described
Total power value and modification rule are received according to the actual bandwidth, generation access bandwidth receives total power value bag
Include：Total power value corresponding modification rule conduct from the modification rule is received according to the actual bandwidth
Target modification rule, total power value is received according to the target modification rule and the actual bandwidth, raw
Total power value is received into the access bandwidth.
5. bandwidth as claimed in claim 4 receives total power value control method, it is characterised in that described
Total power value corresponding modification rule from the modification rule is received according to the actual bandwidth and is used as mesh
Mark modification rule includes：The size of total power value is received according to the actual bandwidth, the communication of cell is determined
Quality, according to communication quality and the corresponding relation of modification rule, determines the target modification rule.
6. the bandwidth as described in any one of claim 2 to 5 receives total power value control method, its feature
It is, the correction algorithm is：Access bandwidth receives total power value=- 106+, and (actual bandwidth receives total
Performance number+106) * 0.5dBm.
7. a kind of bandwidth receives total power value control device, it is characterised in that including：
Acquisition module, the actual bandwidth for obtaining current area receives total power value；
Generation module, for receiving total power value and modification rule, generation access according to the actual bandwidth
Bandwidth receives total power value；
Sending module, total power value is received to user terminal for sending the access bandwidth.
8. bandwidth as claimed in claim 7 receives total power value control device, it is characterised in that described
Modification rule includes：The actual bandwidth is directly received to total power value as the access bandwidth and receives total
Performance number or total power value is received to the actual bandwidth using correction algorithm to be modified generation described
Access bandwidth receives total power value or using absolute value as actual bandwidth reception total power value；
The generation module is used for when the modification rule is made for the actual bandwidth directly is received into total power value
When receiving total power value for the access bandwidth, directly actual bandwidth reception total power value is regard as institute
State access bandwidth and receive total power value；When the modification rule is to the actual bandwidth using correction algorithm
When receiving total power value and being modified the generation access bandwidth and receive total power value, correction algorithm pair is used
The actual bandwidth receives total power value and is modified the generation access bandwidth reception total power value；Work as institute
It is when receiving total power value as the actual bandwidth using absolute value, to be made using absolute value to state modification rule
Total power value is received for the actual bandwidth.
9. bandwidth as claimed in claim 8 receives total power value control device, it is characterised in that described
Generation module is additionally operable to be selected according to user before the actual bandwidth for obtaining current area receives total power value
Operation is selected, selects a kind of as default modification rule from the modification rule；The generation module is specific
For receiving total power value according to the default modification rule and the actual bandwidth, the access is generated
Bandwidth receives total power value.
10. bandwidth as claimed in claim 8 receives total power value control device, it is characterised in that described
Generation module according to the actual bandwidth specifically for receiving total power value correspondence from the modification rule
Modification rule as target modification rule, connect according to the target modification rule and the actual bandwidth
Total power value is received, the access bandwidth is generated and receives total power value.
11. bandwidth as claimed in claim 10 receives total power value control device, it is characterised in that institute
Generation module is stated specifically for the size according to actual bandwidth reception total power value, the logical of cell is determined
Believe quality, according to communication quality and the corresponding relation of modification rule, determine the target modification rule.
12. the bandwidth as described in any one of claim 8 to 11 receives total power value control device, it is special
Levy and be, the correction algorithm is：Access bandwidth receives total power value=- 106+, and (actual bandwidth receives total
Performance number+106) * 0.5dBm.
13. a kind of communication system, it is characterised in that including：User terminal and base station, the base station are set
Total power value control device is received just like the bandwidth described in any one of claim 7 to 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184822.9A CN107241792A (en) | 2016-03-28 | 2016-03-28 | Bandwidth receives total power value control method, device and communication system |
| PCT/CN2016/102611 WO2017166792A1 (en) | 2016-03-28 | 2016-10-19 | Received total wideband power control method, apparatus and communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184822.9A CN107241792A (en) | 2016-03-28 | 2016-03-28 | Bandwidth receives total power value control method, device and communication system |
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| Publication Number | Publication Date |
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| CN107241792A true CN107241792A (en) | 2017-10-10 |
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| CN201610184822.9A Pending CN107241792A (en) | 2016-03-28 | 2016-03-28 | Bandwidth receives total power value control method, device and communication system |
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| WO (1) | WO2017166792A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859028A (en) * | 2006-01-11 | 2006-11-08 | 华为技术有限公司 | Method for open loop power control of terminal |
| US20070225015A1 (en) * | 2006-03-24 | 2007-09-27 | Jens Mueckenheim | Method for reporting uplink load measurements |
| CN101557245A (en) * | 2008-04-10 | 2009-10-14 | 中兴通讯股份有限公司 | Method for controlling authorization power in time code division multiple access system |
| CN103369586A (en) * | 2012-03-28 | 2013-10-23 | 中兴通讯股份有限公司 | Base station uplink external interference processing method and base station uplink external interference processing device |
| CN103503361A (en) * | 2013-01-24 | 2014-01-08 | 华为技术有限公司 | Method and apparatus controlling up load |
-
2016
- 2016-03-28 CN CN201610184822.9A patent/CN107241792A/en active Pending
- 2016-10-19 WO PCT/CN2016/102611 patent/WO2017166792A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859028A (en) * | 2006-01-11 | 2006-11-08 | 华为技术有限公司 | Method for open loop power control of terminal |
| US20070225015A1 (en) * | 2006-03-24 | 2007-09-27 | Jens Mueckenheim | Method for reporting uplink load measurements |
| CN101557245A (en) * | 2008-04-10 | 2009-10-14 | 中兴通讯股份有限公司 | Method for controlling authorization power in time code division multiple access system |
| CN103369586A (en) * | 2012-03-28 | 2013-10-23 | 中兴通讯股份有限公司 | Base station uplink external interference processing method and base station uplink external interference processing device |
| CN103503361A (en) * | 2013-01-24 | 2014-01-08 | 华为技术有限公司 | Method and apparatus controlling up load |
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| WO2017166792A1 (en) | 2017-10-05 |
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Application publication date: 20171010 |