CN101521900A - Method for counting and reporting number of adjacent districts in virtual active set - Google Patents
Method for counting and reporting number of adjacent districts in virtual active set Download PDFInfo
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- CN101521900A CN101521900A CN200810009358A CN200810009358A CN101521900A CN 101521900 A CN101521900 A CN 101521900A CN 200810009358 A CN200810009358 A CN 200810009358A CN 200810009358 A CN200810009358 A CN 200810009358A CN 101521900 A CN101521900 A CN 101521900A
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Abstract
The invention discloses a method for counting and reporting the number of adjacent districts in a virtual active set, which is applied to a high-speed uplink grouping access system. The method comprises the following steps that the network side arranges a path loss difference threshold value for user equipment; the user equipment obtains the path loss of the district and adjacent districts by measurement, and calculates the path loss difference between the district and adjacent districts; the user equipment counts the number of the adjacent districts with the difference being less than the path loss threshold value, takes the number of the districts as the number of adjacent districts in the virtual active set and reports the number to the network side. The method carries out the interference control by adopting the method of the virtual active set, counts and reports the number of adjacent districts in the virtual active set, can effectively realize the counting and reporting of the number of adjacent districts in the virtual active set, and can effectively control uplink interference by combining with the interference control method.
Description
Technical field
The present invention relates to the wireless telecommunication system field, relate in particular in a kind of high speed up packet access system, when introducing the virtual active collection, add up and report the method for the concentrated adjacent sub-district of virtual active number.
Background technology
In 3-G (Generation Three mobile communication system), for the upstream packet business of higher rate is provided, improve spectrum utilization efficiency, 3GPP (3rd Generation Partnership Project, third generation partner program) in the standard of TD-SCDMA (TD SDMA access) system, introduced high speed uplink packet access (High Speed Uplink Packet Access, HSUPA) characteristic, promptly up enhancing characteristic.
The HSUPA system ascending reinforcement system that is otherwise known as abbreviates the E-DCH system as.In order to control UE (User Equipment, subscriber equipment) uplink interference, scheduled transmission is carried out the power mandate by NodeB (Node B) to UE, in the prior art scheme, UE reports SNPL (Serving and NeighbourCell Pathloss, Serving cell and neighbor cell path loss) value, this value is the ratio of a path loss, is the ratio of the path loss of the path loss of the neighbor cell broadcast channel that measured by UE and this CBCH.This value has two types, and Class1 is the ratio of current area path loss inverse and all neighbor cell path losses summations reciprocal; Type 2 is the ratio of the path loss inverse of path loss minimum in current area path loss inverse and the neighbor cell.Because Node B can't know the path loss between this UE and other each sub-districts, can't accurately know the interference of this UE to other neighbor cells, and the interference that has what neighbor cells to be subjected to is bigger, thereby also just can't accurately control the interference of this UE to other neighbor cells.
Therefore, how new method is set, realizes effective control, just become the essential problem of considering of technical staff uplink interference.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method that virtual active is concentrated adjacent sub-district number of adding up and report, and when introducing the virtual active collection when controlling uplink interference, realizes statistics and reports virtual active to concentrate adjacent sub-district number.
In order to solve the problems of the technologies described above, the invention provides a kind of method that virtual active is concentrated adjacent sub-district number of adding up and report, be applied in the high speed up packet access system, described method comprises:
Network side is provided with a path loss difference threshold value to subscriber equipment;
Subscriber equipment measures the path loss of this sub-district and neighbor cell, and calculates the path loss difference of this sub-district and neighbor cell;
Subscriber equipment statistics difference concentrates adjacent sub-district number to report network side as virtual active a described sub-district numerical value less than the neighbor cell number of described path loss difference threshold value.
Further, describedly path loss difference threshold value is set and reports described virtual active to concentrate adjacent sub-district number by when setting up Radio Resource control, carrying out.
Further, set up the described path loss difference threshold value of increase in the message in Radio Resource control link.
Further, finish the concentrated adjacent sub-district of the described virtual active of increase number in the message in Radio Resource control link foundation.
Further, the path loss of this sub-district of subscriber equipment period measurement and neighbor cell in the described method, and to the concentrated adjacent sub-district of network side periodic report virtual active number.
Further, describedly concentrate adjacent sub-district number to report the step of network side virtual active, comprising: increase field in schedule information, the sign virtual active is concentrated adjacent sub-district number.
Further, describedly concentrate adjacent sub-district number to report the step of network side virtual active, comprising: replace the field in the schedule information, the sign virtual active is concentrated adjacent sub-district number.
Further, describedly concentrate adjacent sub-district number to report the step of network side virtual active, comprising: increase field in medium access control bag, the sign virtual active is concentrated adjacent sub-district number.
Further, described method also comprises the step that network side concentrates adjacent sub-district number this subscriber equipment to be carried out the power mandate according to described virtual active.
In the prior art scheme, UE reports the SNPL value, and this value is the ratio of a path loss, is the ratio of the path loss of the path loss of the neighbor cell broadcast channel that measured by UE and this CBCH.Node B can't know the path loss between this UE and other each sub-districts, thereby also just can't accurately control the interference of this UE to other neighbor cells.In the TDS-CDMA system provided by the invention in the HSUPA technology when the method that adopts the virtual active collection is carried out Interference Control, add up and report the method for the concentrated adjacent sub-district of virtual active number, can realize effectively that based on the method virtual active concentrates the statistics of adjacent sub-district number and report, in conjunction with interference control method, can effectively control uplink interference.
Description of drawings
Fig. 1 is for the present invention's statistics and report virtual active to concentrate the method flow diagram of adjacent sub-district number.
Embodiment
The present invention has proposed the notion of virtual active collection in order effectively to control the interference of subscriber equipment to neighbor cell, will set forth in the description of following examples about the notion of virtual active collection.And when introducing virtual active collection carries out Interference Control, just must realize effectively reporting of the concentrated adjacent sub-district number of virtual active.The invention discloses when carrying out Interference Control, add up and report virtual active to concentrate the method for adjacent sub-district number by the virtual active collection.
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail.
With reference to shown in Figure 1, add up and report the method flow diagram of the concentrated adjacent sub-district of virtual active number for the present invention.Be example with TD-SCDMA (TD SDMA access) system below, its implementation process described in conjunction with Fig. 1:
Step 101: network side (NodeB, perhaps radio network controller (RNC)) is provided with a path loss difference threshold value to user equipment (UE);
Step 102:UE calculates this sub-district path loss;
Step 103:UE calculates adjacent sub-district path loss;
Step 104:UE calculates the path loss difference of this sub-district and adjacent sub-district;
Step 105:UE judges the path loss difference threshold value whether described difference is provided with less than network side, is execution in step 106 then, otherwise execution in step 107;
Step 106: virtual active concentrates adjacent sub-district number to add 1, execution in step 107;
Step 107:UE judges whether adjacent sub-district path loss measures, and is execution in step 108 then, otherwise returns execution in step 103;
Step 108:UE concentrates adjacent sub-district number with virtual active, and promptly the path loss difference reports network side less than the number of the sub-district of threshold value;
Step 109: network side carries out Interference Control.
Below by the several examples in the concrete application technical solution of the present invention is carried out exemplary illustration.
Example 1: by when setting up RRC (Radio Resources Control, Radio Resource control), reporting virtual active to concentrate adjacent sub-district number, below this example is elaborated in this example.
1. network side RNC is provided with a path loss difference threshold value by when setting up RRC to UE, and this threshold value can be expressed as VirActiveSet_Th.
In actual applications about the setting of threshold value, can set according to the actual environment for use situation of UE such as the intensive degree in city, adjacent sub-district number, specifically can make the simulation model of UE environment for use, the respective doors limit value be set according to the result that this simulation model is recorded.
And when this path loss difference threshold value is set to UE, specifically can increase a path loss difference threshold value VirActiveSet_Th in RRC CONNECTIONSETUP (RRC links foundation) message.
About the foundation of RRC, be the known technology of this area, do not giving unnecessary details at this.
Following table shows a kind of position that increases path loss difference threshold value VirActiveSet_Th in RRC CONNECTION SETUP (RRC links foundation) message, also can be arranged on other positions as required in actual certainly the use.
| Uplink radio resources (ascending wireless resource) | |||||
| Maximum?allowed?UL?TX?power | MD | Maximum allowed?UL?TX power10.3.6.39 | Default?value is?the?existing maximum?UL TX?power | ||
| Uplink?DPCH?info | OP | Uplink?DPCH?info 10.3.6.88 | |||
| E-DCH?Info | OP | E-DCH?Info 10.3.6.97 | REL-6 | ||
| VirActiveSet_Th (path loss difference threshold value) | OP | E-DCH?Info 10.3.6.106 | Release7 or Release8 version 7 or 8 |
2.UE, calculate this sub-district path loss L according to the received power that broadcast channel transmitting power and UE measure
This, and the path loss L of neighbor cell
Adjacent i
3.UE calculate the path loss difference DELTA L of this sub-district and neighbor cell
i=| L
This-L
Adjacent i|;
4. if difference DELTA L
iPath loss difference threshold VirActiveSet_Th less than step 1 network side (RNC) configuration thinks that then UE has interference to this neighbor cell;
5.UE the statistics difference is less than the neighbor cell number of difference threshold, these neighbor cells are called the virtual active collection, concentrate adjacent sub-district number VirActiveSet_N to report RNC virtual active;
Can increase the number VirActiveSet_N of a virtual active collection in RRC CONNECTION COMPLETE (the RRC link is set up and finished) message in concrete this example, can in this field, identify virtual active and concentrate adjacent sub-district number for by in this message, increasing a field.
Following table shows a kind of mode that increases field in this message.
| Other information elements (other information elements) | |||||
| UE?system?specific?capability | OP | 1?to <maxInterSy sMessages> | |||
| >Inter-RAT?UE?radio?access capability | MP | Inter-RAT UE?radio access capability 10.3.8.7 | |||
| Deferred?measurement?control reading | MD | Enumerate d(TRUE) | Indicates?the?UE has?not?read SIB11，SIB11bis andSIB12，if available. Default?value?is FALSE | REL-7 | |
| VirAct?iveSet_N | OP | 1?to?Cell?list | REL-7 |
6.RNC notify Node B by Iub interface with VirActiveSet_N, Node B concentrates adjacent sub-district number to carry out the power mandate to this UE according to virtual active, with Interference Control in allowed limits.
Example 2: the core concept of this example is the number that period measurement reports the virtual active collection.
1～4 step in the example 2 is identical with embodiment's 1, and step 5 is as follows:
5.UE period measurement, and to the number of RNC periodic report virtual active collection;
6.RNC notify Node B by Iub interface with VirActiveSet_N, Node B concentrates adjacent sub-district number to carry out the power mandate to this UE according to virtual active, with Interference Control in allowed limits.
Example 3: the core concept of this example is the SI (scheduling information, schedule information) that directly sends to Node B by expansion UE, reports the virtual active collection.
1～4 step in the example 3 is identical with example 1, step 5, and 6 is as follows:
5. expansion has theing contents are as follows of SI now:
Wherein VAS (4bit) is the field that increases newly, is used to identify virtual active and concentrates adjacent sub-district number, can indicate 2
4=16 neighbor cells; Wherein the length of VAS field is not limited to 4, can be other values, and following example 4, example 5 are herewith.
6.Node B carries out the power mandate according to the VirActiveSet_N of VAS indication to this UE, with Interference Control in allowed limits.
Example 4: this example reports virtual active to concentrate adjacent sub-district number by the mode of special SI, in fact this example is with the difference of example 3: example 3 is by increase field newly in schedule information, be used to identify virtual active and concentrate adjacent sub-district number, this example is by replacing the original field in the schedule information, be used to identify virtual active and concentrate adjacent sub-district number, and do not increase the quantity of original field in the schedule information.
1～4 step in the example 4 is identical with example 1, step 5, and 6 is as follows:
5. have theing contents are as follows of SI now:
It is as follows to revise the special SI in back
Wherein original HLID field is replaced by field VAS (4bit), is used to identify virtual active and concentrates adjacent sub-district number, can indicate 2
4=16 neighbor cells, the implication with original HLID field is revised as VAS like this, can expand the SI field;
6.Node B carries out the power mandate according to the VirActiveSet_N of VAS indication to this UE, with Interference Control in allowed limits.
Example 5: the main thought of this example is to wrap the newspaper virtual active by the MACe (Media Access Control, medium access control) that UE directly sends to Node B to concentrate adjacent sub-district number.
1～4 step in the example 5 is identical with example 1, step 5, and 6 is as follows:
5. in the MACe bag, increase VAS (4bit), be used to identify VirActiveSet_N, can indicate 2
4=16 neighbor cells;
6.Node B carries out the power mandate according to the VirActiveSet_N of VAS indication to this UE, with Interference Control in allowed limits.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1, a kind of method of adding up and reporting the concentrated adjacent sub-district of virtual active number is applied to it is characterized in that in the high speed up packet access system that described method comprises:
Network side is provided with a path loss difference threshold value to subscriber equipment;
Subscriber equipment measures the path loss of this sub-district and neighbor cell, and calculates the path loss difference of this sub-district and neighbor cell;
Subscriber equipment statistics difference concentrates adjacent sub-district number to report network side as virtual active a described sub-district numerical value less than the neighbor cell number of described path loss difference threshold value.
2, the method for claim 1 is characterized in that, describedly path loss difference threshold value is set and reports described virtual active to concentrate adjacent sub-district number by carrying out when setting up Radio Resource control.
3, method as claimed in claim 2 is characterized in that, setting up in Radio Resource control link increases described path loss difference threshold value in the message.
4, method as claimed in claim 2 is characterized in that, setting up to finish in Radio Resource control link increases the concentrated adjacent sub-district of described virtual active number in the message.
5, the method for claim 1 is characterized in that, the path loss of this sub-district of subscriber equipment period measurement and neighbor cell in the described method, and to the concentrated adjacent sub-district of network side periodic report virtual active number.
6, the method for claim 1 is characterized in that, describedly concentrates adjacent sub-district number to report the step of network side virtual active, and comprising: increase field in schedule information, the sign virtual active is concentrated adjacent sub-district number.
7, the method for claim 1 is characterized in that, describedly concentrates adjacent sub-district number to report the step of network side virtual active, and comprising: replace the field in the schedule information, the sign virtual active is concentrated adjacent sub-district number.
8, the method for claim 1 is characterized in that, describedly concentrates adjacent sub-district number to report the step of network side virtual active, and comprising: increase field in medium access control bag, the sign virtual active is concentrated adjacent sub-district number.
As any described method of claim 1 to 8, it is characterized in that 9, described method also comprises the step that network side concentrates adjacent sub-district number this subscriber equipment to be carried out the power mandate according to described virtual active.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100093585A CN101521900B (en) | 2008-02-25 | 2008-02-25 | Method for counting and reporting number of adjacent districts in virtual active set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100093585A CN101521900B (en) | 2008-02-25 | 2008-02-25 | Method for counting and reporting number of adjacent districts in virtual active set |
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| CN101521900A true CN101521900A (en) | 2009-09-02 |
| CN101521900B CN101521900B (en) | 2012-04-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843653A (en) * | 2011-06-23 | 2012-12-26 | 华为技术有限公司 | Method for controlling uplink interference of adjacent cells, UE (user equipment), RNC (radio network controller) and base station |
| EP2811782A4 (en) * | 2012-02-02 | 2015-03-04 | Huawei Tech Co Ltd | Method and terminal for data transmission |
| WO2016090632A1 (en) * | 2014-12-12 | 2016-06-16 | 华为技术有限公司 | Method and apparatus for detecting operating state of node |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298114C (en) * | 2004-05-14 | 2007-01-31 | 中兴通讯股份有限公司 | A method for determining preact of time |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843653A (en) * | 2011-06-23 | 2012-12-26 | 华为技术有限公司 | Method for controlling uplink interference of adjacent cells, UE (user equipment), RNC (radio network controller) and base station |
| CN102843653B (en) * | 2011-06-23 | 2015-09-30 | 华为技术有限公司 | The control method of a kind of adjacent area uplink interference, UE and RNC and base station |
| EP2811782A4 (en) * | 2012-02-02 | 2015-03-04 | Huawei Tech Co Ltd | Method and terminal for data transmission |
| WO2016090632A1 (en) * | 2014-12-12 | 2016-06-16 | 华为技术有限公司 | Method and apparatus for detecting operating state of node |
| US10361937B2 (en) | 2014-12-12 | 2019-07-23 | Huawei Technologies Co., Ltd. | Method and apparatus for detecting operating status of node |
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| CN101521900B (en) | 2012-04-18 |
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