CN102892166A - Method for controlling switching through home node B (HNB) - Google Patents
Method for controlling switching through home node B (HNB) Download PDFInfo
- Publication number
- CN102892166A CN102892166A CN2012103506853A CN201210350685A CN102892166A CN 102892166 A CN102892166 A CN 102892166A CN 2012103506853 A CN2012103506853 A CN 2012103506853A CN 201210350685 A CN201210350685 A CN 201210350685A CN 102892166 A CN102892166 A CN 102892166A
- Authority
- CN
- China
- Prior art keywords
- residential quarter
- neighbor cell
- home enodeb
- success rate
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for controlling switching through a home node B (HNB). The method comprises the steps: a current HNB acquires information of an adjacent cell; a terminal measures a received signal code power with the current HNB and the received signal code power with the adjacent cell, and sends measurement results to the current HNB; according to the measurement results, the current HNB searches the adjacent cells to obtain N cells with received signal code power more than or equal to minus 100dbm between the terminal and the adjacent cells; according to the acquired information of the adjacent cells, the current HNB selects M cells with switching success rate more than 80% from the N cells; and according the acquired information of the adjacent cells, the current HNB controls to switch the terminal to the cell with highest stability in the M cells. Through the technical scheme, the switching success rate of the terminal and the business stability of the target cell switched to can be guaranteed.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method that a kind of Home eNodeB control is switched.
Background technology
Along with 3G(3rd-generation 3G (Third Generation) Moblie technology) sustainable growth of number of users and mobile Internet flourish, the 3G data service is just presenting the trend of rapid growth, the Large Volume Data business covers 3G network and the carrying bandwidth is had higher requirement, and how to tackle the data service of explosive growth and the demand of network capacity is become next step outline of operator.Effectively replenish the Femto(Home eNodeB as 3G network) low-cost and convenience has obtained the favor of more and more telecom operators as the network infrastructure of upgrading provides attractive selection take it.
It seems that in the industry cycle Femto is the effective solution of realizing the indoor covering of 3G, improving power system capacity.User or medium-sized and small enterprises at home or the office space install after the Femto, have high-quality 3G signal to cover everywhere, domestic consumer or enterprise customer can obtain more at a high speed, more economical network service.The user only need open an account at the operator place and buy the femto Home eNodeB, can bring back family or company and install and use, and it is linked into the core net of mobile operator as backhaul network by fixed broadband.The user can carry out the service that the grand network of all 3G can provide in the femto network, comprise the support (switching of minizone) to user mobility.When the user moved, he can switch between indoor a plurality of femto residential quarter, also can switch with non-femto minizone such as outdoor 3G macro cells, Micro-cell etc.
Because Home eNodeB managed voluntarily by the user, the switch of Home eNodeB is controlled by user oneself, so the existence of femto residential quarter has very large uncertainty, can bring thus a series of new network management problems.As shown in Figure 1, certain a slice of expression is concentrated the zone (public domains such as office building or market) of having disposed the femto Home eNodeB in the square frame, and boxed area also is in the coverage of macrocell 1 and macrocell 2 simultaneously.When the user is arranged in the square frame zone, because femto residential quarter wherein can provide for the user signal of better quality, so the user can according to the algorithm of residential quarter selection/reselection, select to reside in the better femto of certain radio condition residential quarter to carry out business.
Suppose that user A resides in and carry out voice or data business of networking in the femto residential quarter 5, when he from the femto residential quarter 5 when moving toward femto residential quarters 2 directions, femto residential quarter 2 signals are the signal variation gradually of grow and femto residential quarter 5 gradually, after arriving certain threshold value, terminal can be to the femto residential quarter 5 reporting measurement reports message, femto residential quarter 5 can send hand off signaling to mobile phone subsequently, and the order mobile phone switches in the femto residential quarter 2, thereby guarantees the sustainability of customer service.
The neighbor cell of femto residential quarter 5 has femto residential quarter 2,3,4,7,8 and macrocell 1 and 2.Wherein macrocell is disposed by operator, and is highly stable.And the femto Home eNodeB is installed deployment voluntarily by the user, its switch is controlled by user oneself, therefore whether corresponding femto residential quarter exists and also has certain randomness, in the 3G network environment of macrocell and the coexistence of femto residential quarter, when the user is switched, iff with signal strength signal intensity and quality as basis for estimation, the Target cell that chooses so may not be the residential quarter of an optimum, because, target femto residential quarter is " stablizing " not, namely can than starting more frequently and closing, cause the user at the Target cell call drop.
Summary of the invention
The invention provides the method that a kind of Home eNodeB control is switched, be used for when 3G network environment that the user coexists in macrocell and femto residential quarter switches, signal quality, signal stabilization degree and handover success rate by Target cell are screened successively, select the residential quarter of an optimum as Target cell.Thereby guarantee the success rate of switching and switch the afterwards stability of business in Target cell.
The method that a kind of Home eNodeB control is switched comprises:
Current Home eNodeB obtains the information of neighbor cell, and described information comprises: the number of described neighbor cell and corresponding sign, signal stabilization degree and handover success rate;
Received signal code power between terminal measurement and described current Home eNodeB and the received signal code power between measurement and described neighbor cell are sent to described current Home eNodeB with measurement result;
Described current Home eNodeB is according to described measurement result, searches the received signal code power that obtains between described terminal and described neighbor cell more than or equal to N the residential quarter of-100dbm from described neighbor cell, and described N is the natural number greater than 1;
Described current Home eNodeB is according to the information of the described neighbor cell that gets access to, and selects handover success rate greater than 80% M residential quarter from a described N residential quarter, and described M is the natural number less than or equal to N;
Described current Home eNodeB is according to the information of the described neighbor cell that gets access to, and control terminal switches to the highest residential quarter of signal stabilization degree in the described M residential quarter.
Described neighbor cell comprises: adjacent macro cell and adjacent home base station cells.
The described acquisition of information that carries out neighbor cell by Home eNodeB comprises: described Home eNodeB when starting by intercepting the wireless signal of described neighbor cell, obtain the information of described neighbor cell, and the information that will intercept the described neighbor cell of acquisition is stored; Described Home eNodeB is intercepted the information that obtains new neighbor cell again when periodically being transformed into listen mode, and the information that obtained last time is upgraded.
Described listen mode comprises: Home eNodeB is idle or can periodically be transformed into listen mode during without business.
The method that the control of a kind of Home eNodeB is switched, the method also comprises: after described current Home eNodeB was controlled described terminal and switched to the highest residential quarter of handover success rate, whether successful information was sent to described Home eNodeB with switching;
Described Home eNodeB is according to the handover success rate of neighbor cell corresponding to the described information updating that sends.
Describedly search described received signal code power and comprise more than or equal to N the residential quarter of-100dbm: from described neighbor cell, search the received signal code power that obtains between described terminal and described neighbor cell more than or equal to N the residential quarter of-80dbm; If without the residential quarter of received signal code power more than or equal to-80dbm, then debase the standard, search received signal code power less than the-80dbm residential quarter more than or equal to-90dbm; If, then continue to debase the standard less than-80dbm the residential quarter more than or equal to-90dbm without received signal code power, search received signal code power less than the-90dbm residential quarter more than or equal to-100dbm.
The described handover success rate of selecting from a described N residential quarter comprises greater than 80% M residential quarter: select handover success rate more than or equal to 90% M residential quarter from a described N residential quarter; If, then debase the standard more than or equal to 90% residential quarter without handover success rate, search handover success rate less than 90% greater than 80% residential quarter; If, then continue to debase the standard less than 90% more than or equal to 80% residential quarter without described handover success rate, search handover success rate less than 80% residential quarter.
Compared with prior art, the present invention has following beneficial effect: when the user is switched in the 3G network environment of macrocell and the coexistence of femto residential quarter, selected residential quarter is more targeted, not only consider the signal quality of Target cell, also to consider simultaneously whether enough stable, handover success rate height whether enough of this Target cell, by comprehensive balance, select the residential quarter of an optimum as Target cell, thereby guarantee the success rate of switching and switch the afterwards stability of business in Target cell.
Description of drawings
Fig. 1 is the schematic diagram of setting up the home base station cells network;
Fig. 2 is the flow chart of the method switched of a kind of Home eNodeB control that the embodiment of the invention one provides;
Fig. 3 is a kind of adjacent cell intelligence database Establishing process that the embodiment of the invention two provides.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
Embodiment one
Fig. 2 is the flow chart of the method switched of a kind of Home eNodeB control that the embodiment of the invention one provides, as shown in Figure 2, specifically may further comprise the steps:
Received signal code power between step 202, terminal measurement and described current Home eNodeB and the received signal code power between measurement and described neighbor cell are sent to described current Home eNodeB with measurement result.Concrete: when terminal moved towards the coverage away from current Home eNodeB, signal is variation gradually, and terminal triggers measurement report, and measurement report is sent to current Home eNodeB.
The information of the described neighbor cell that step 205, described current Home eNodeB basis get access to, control terminal switches to the highest residential quarter of signal stabilization degree in the described M residential quarter.Described current Home eNodeB is controlled will switch whether successful information is sent to the adjacent cell intelligence database after described terminal switches to the highest residential quarter of handover success rate; Handover success rate according to neighbor cell corresponding in the described information updating adjacent cell intelligence database that sends.When the residential quarter that all is at the top of one's class by the residential quarter after signal quality and handover success rate are screened, but because Home eNodeB is not to be arranged by operator, but arranged voluntarily by the user, therefore, also need considering the signal stabilization degree.Degree of stability for signal also is to provide data by the adjacent cell intelligence database in the described Home eNodeB, and described adjacent cell intelligence database records the number of times that the adjacent area starts/close according to the different periods in one day and determines its degree of stability.
According to the technical scheme of the embodiment of the invention, screen successively by signal quality, signal stabilization degree and handover success rate to neighbor cell, select the residential quarter of an optimum as Target cell.Thereby guarantee the success rate of switching and switch the afterwards stability of business in Target cell.
Embodiment two
Fig. 3 is a kind of adjacent cell intelligence database Establishing process that the embodiment of the invention two provides.
Introduced the method that Home eNodeB control is switched among the present invention among the embodiment one, present embodiment is explained with regard to built-in adjacent cell intelligent data library storage and immediate updating adjacent cell information method in the Home eNodeB among the embodiment one.
As shown in Figure 3, specifically may further comprise the steps:
Step 301, described Home eNodeB by intercepting the wireless signal of described neighbor cell, are obtained the information of described neighbor cell when starting, and the information that will intercept the described neighbor cell of acquisition is sent to described adjacent cell intelligence database and stores.
Concrete: a built-in adjacent cell intelligence database in Home eNodeB, the data in the described database all are that the process that Home eNodeB passes through ' self-teaching ' is set up.When family base station during at electrifying startup, with carrying out the process of intercepting of physical layer, by intercepting wireless signal, obtain number and the corresponding information such as sign, scrambler, signal strength signal intensity, signal stabilization degree and handover success rate of described neighbor cell.This time intercepted result will after calculating, upgrade the intelligence database of Home eNodeB internal maintenance as a statistics, finish once ' study ' process.
Step 302; Described Home eNodeB is when periodically being transformed into listen mode, again intercept the information that obtains new neighbor cell, the information of the described new neighbor cell that obtains is sent to described adjacent cell intelligence database, and described adjacent cell intelligence database upgrades the information of neighbor cell.Described listen mode comprises: Home eNodeB is idle or can periodically be transformed into listen mode during without business.
After family's base station process long-time running, the number of times of study is more and more, and final process statistics has formed the adjacent cell intelligence database.It is the result of a long-time statistical, accurate recording the detailed characteristics of each adjacent cell, when user terminal need to switch from this residential quarter to adjacent cell, according to this intelligence database can carry out more targeted, switch more accurately.In addition, in the adjacent cell intelligence database of Home eNodeB, the content of maintenance is extendible, can also record the variety of event that occurs with each adjacent cell, total cumulative number of the switching that for example occurs, successful cumulative number etc.
The organization definition of described adjacent cell intelligence database is as shown in the table:
In the upper table, described cell ID comprises: frequency, scrambler, cellId etc.The degree of stability index of residential quarter is specially: this adjacent cell from join intelligence database after, the number of times that starts/close.After for example Home eNodeB startup or periodicity are intercepted, found the femto2 residential quarter, just it has been joined in the intelligence database, after this intercept at every turn, if femto2 exists always, the startup of that femto2/close number of times to remain unchanged, also be 0, if find the residential quarter intercept less than, just quantity is added 1.In addition, can also record the number of times that the adjacent area starts/closes according to the different periods in one day in the database.For example adjacent cell femto2 start/closed after in joining intelligence database 10 this, and this 10 this all occured 21 o'clock to 22 o'clock periods, that explanation was 21 o'clock to 22 o'clock these periods, and the femto2 residential quarter is very unstable, had better not be as the Target cell that switches.Residential quarter handover success rate statistics specifically comprises: with the switching total degree that each adjacent cell occurs, total successful number of times, the frequency of failure.Consider that there is ' close ' pattern the femto residential quarter, it is resident to the residential quarter to only have the legal user of IMSI just to allow, therefore when a user who does not have an authority attempts to switch to this residential quarter, and will handoff failure.According to the information of handover success rate in the table, when carrying out switching judging, can consider to select the higher adjacent cell of handover success rate as Target cell.
The technical scheme of the embodiment of the invention, the adjacent cell intelligence database built-in by Home eNodeB carries out the information gathering of neighbor cell, when switch the residential quarter, give security for switching to optimum subdistrict, thereby guaranteed to switch the afterwards stability of business in Target cell.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (7)
1. the method that Home eNodeB control is switched is characterized in that, comprising:
Current Home eNodeB obtains the information of neighbor cell, and described information comprises: the number of described neighbor cell and corresponding sign, signal stabilization degree and handover success rate;
Received signal code power between terminal measurement and described current Home eNodeB and the received signal code power between measurement and described neighbor cell are sent to described current Home eNodeB with measurement result;
Described current Home eNodeB is according to described measurement result, searches the received signal code power that obtains between described terminal and described neighbor cell more than or equal to N the residential quarter of-100dbm from described neighbor cell, and described N is the natural number greater than 1;
Described current Home eNodeB is according to the information of the described neighbor cell that gets access to, and selects handover success rate greater than 80% M residential quarter from a described N residential quarter, and described M is the natural number less than or equal to N;
Described current Home eNodeB is according to the information of the described neighbor cell that gets access to, and control terminal switches to the highest residential quarter of signal stabilization degree in the described M residential quarter.
2. method according to claim 1 is characterized in that, described neighbor cell comprises: adjacent macro cell and adjacent home base station cells.
3. method according to claim 1 is characterized in that, the described acquisition of information that carries out neighbor cell by Home eNodeB comprises:
Described Home eNodeB by intercepting the wireless signal of described neighbor cell, obtains the information of described neighbor cell when starting, and the information that will intercept the described neighbor cell of acquisition is stored;
Described Home eNodeB is intercepted the information that obtains new neighbor cell again when periodically being transformed into listen mode, and the information that obtained last time is upgraded.
4. method according to claim 3 is characterized in that, described listen mode comprises: Home eNodeB is idle or can periodically be transformed into listen mode during without business.
5. method according to claim 2 is characterized in that, the method also comprises:
After described current Home eNodeB was controlled described terminal and switched to the highest residential quarter of handover success rate, whether successful information was sent to described Home eNodeB with switching;
Described Home eNodeB is according to the handover success rate of neighbor cell corresponding to the described information updating that sends.
6. method according to claim 1 is characterized in that, describedly searches described received signal code power and comprises more than or equal to N the residential quarter of-100dbm:
From described neighbor cell, search the received signal code power that obtains between described terminal and described neighbor cell more than or equal to N the residential quarter of-80dbm;
If without the residential quarter of received signal code power more than or equal to-80dbm, then debase the standard, search received signal code power less than the-80dbm residential quarter more than or equal to-90dbm;
If, then continue to debase the standard less than-80dbm the residential quarter more than or equal to-90dbm without received signal code power, search received signal code power less than the-90dbm residential quarter more than or equal to-100dbm.
7. method according to claim 1 is characterized in that, the described handover success rate of selecting from a described N residential quarter comprises greater than 80% M residential quarter:
From a described N residential quarter, select handover success rate more than or equal to 90% M residential quarter;
If, then debase the standard more than or equal to 90% residential quarter without handover success rate, search handover success rate less than 90% greater than 80% residential quarter;
If, then continue to debase the standard less than 90% more than or equal to 80% residential quarter without described handover success rate, search handover success rate less than 80% residential quarter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103506853A CN102892166A (en) | 2012-09-19 | 2012-09-19 | Method for controlling switching through home node B (HNB) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103506853A CN102892166A (en) | 2012-09-19 | 2012-09-19 | Method for controlling switching through home node B (HNB) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102892166A true CN102892166A (en) | 2013-01-23 |
Family
ID=47535479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103506853A Pending CN102892166A (en) | 2012-09-19 | 2012-09-19 | Method for controlling switching through home node B (HNB) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102892166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997763A (en) * | 2013-02-20 | 2014-08-20 | 中国移动通信集团公司 | Cell handover method and base station controller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128059A (en) * | 2007-09-24 | 2008-02-20 | 中兴通讯股份有限公司 | An identification method for destination switching cell |
| CN101400087A (en) * | 2007-09-30 | 2009-04-01 | 华为技术有限公司 | Method, device and system for cell reselecting/switching |
| CN101651961A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Method and terminal for reselecting cell |
| CN102045686A (en) * | 2009-10-14 | 2011-05-04 | 株式会社Ntt都科摩 | Method and equipment for supporting mobility management in wireless communication network |
| CN102149165A (en) * | 2010-02-05 | 2011-08-10 | 鼎桥通信技术有限公司 | Method of configuring system information for updating location area |
-
2012
- 2012-09-19 CN CN2012103506853A patent/CN102892166A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128059A (en) * | 2007-09-24 | 2008-02-20 | 中兴通讯股份有限公司 | An identification method for destination switching cell |
| CN101400087A (en) * | 2007-09-30 | 2009-04-01 | 华为技术有限公司 | Method, device and system for cell reselecting/switching |
| CN101651961A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Method and terminal for reselecting cell |
| CN102045686A (en) * | 2009-10-14 | 2011-05-04 | 株式会社Ntt都科摩 | Method and equipment for supporting mobility management in wireless communication network |
| CN102149165A (en) * | 2010-02-05 | 2011-08-10 | 鼎桥通信技术有限公司 | Method of configuring system information for updating location area |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997763A (en) * | 2013-02-20 | 2014-08-20 | 中国移动通信集团公司 | Cell handover method and base station controller |
| CN103997763B (en) * | 2013-02-20 | 2017-11-21 | 中国移动通信集团公司 | A kind of cell switching method and a kind of base station controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101505476B (en) | Cellular communication system and cell filtering method thereof | |
| CN1926906B (en) | Method and apparatuses for cell-differentiated handover in a mobile communications system | |
| CN106031285A (en) | Carrier sense adaptive transmission (csat) measurements in shared spectrum | |
| CN101355812B (en) | Automatic supply for power parameter of femto comb base station | |
| CN101651961B (en) | Method and terminal for reselecting cell | |
| CN101345973B (en) | Method and system for network optimization and regulation through community cluster in communication network | |
| CN103477674B (en) | The method and associated control device for the state for managing micro-base station by following the change of traffic demand | |
| CN101390430A (en) | Proximity based cell re-selection of private base stations with closed user groups | |
| CN101981829A (en) | Method for controlling interference in femto cell deployments | |
| US8868055B2 (en) | Method for configuring a plurality of parameters in a device | |
| CN101404540A (en) | Time synchronization of femtocell | |
| CN102752767B (en) | Method for improving performance of cell edge users by using multi-objective genetic algorithm | |
| CN103037451A (en) | Radio resource control connection reconstruction method, user equipment and base station | |
| CN101583133B (en) | Allocating base stations to location areas in cellular telecommunications networks | |
| CN102740335A (en) | Self-optimizing method for switching femtocell network | |
| Morosi et al. | Sleep mode management in cellular networks: a traffic based technique enabling energy saving | |
| CN102761859A (en) | Method for regulating and controlling network traffic of mobile phone | |
| CN104769973A (en) | Configuration of electronic device | |
| CN102111793B (en) | Method and device for configuring neighbouring cell of nodeB | |
| Claussen | Efficient self-optimization of neighbour cell lists in macrocellular networks | |
| Li et al. | An energy-efficient cell planning strategy for heterogeneous network based on realistic traffic data | |
| CN102118770B (en) | Configuration methods for neighbor lists and same-frequency/different-frequency lists | |
| CN101651985B (en) | Method and device for optimizing paging parameters | |
| CN106792812B (en) | LTE-Hi small cell switch control method based on service load assessment | |
| CN102857952A (en) | Method and device for supporting configuration of sharing mechanism of wireless access side in home base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130123 |