CN101472297B - Method for enlarging local region wireless communication capacity, communication system and network subsystem - Google Patents
Method for enlarging local region wireless communication capacity, communication system and network subsystem Download PDFInfo
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- CN101472297B CN101472297B CN2007103045019A CN200710304501A CN101472297B CN 101472297 B CN101472297 B CN 101472297B CN 2007103045019 A CN2007103045019 A CN 2007103045019A CN 200710304501 A CN200710304501 A CN 200710304501A CN 101472297 B CN101472297 B CN 101472297B
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Abstract
The invention discloses a method for increasing the wireless communication capacity in a local region. The method is applied to a global system for mobile communications (GSM). The method comprises the following steps: at least one second sector with the traffic being lower than a second set value is selected from the base station of a first sector or an identical address base station when that the traffic of the first sector reaches a first set value is determined; marks in the second sector are sent to the terminal in the coverage area of the first sector; and terminal uplink transmits data and carries the marks in the second sector. By adopting the invention, the problem of jamming is solved, meanwhile, the address selection process is avoided, and the quantity of base station construction is reduced if jamming occurs in part of sector only. The invention discloses a communication system and a network subsystem.
Description
Technical field
The present invention relates to the data transmission technology of the communications field, relate in particular to a kind of method, communication system and a kind of network subsystem that enlarges local region wireless communication capacity.
Background technology
Continuous increase along with terminal uses such as mobile phones, the requirement of growing traffic carrying capacity more and more can not have been satisfied in existing base station to the disposal ability of business, in order to solve the problem that traffic carrying capacity increases the base station section traffic congestion that causes, the mode of generally taking all is to increase the base station.
But, in practical operation, often be the problem that traffic congestion just can appear in some sector in a certain special time, and outside these special times, the situation of traffic congestion generally can not appear in the sector.For example, in the zone, campus, the peak value of traffic carrying capacity generally appears at 12:00-14:00,17:00-19:00, these time periods of 21:00-24:00, and particularly at 22:00-23:00, telephone traffic is very big, has almost surpassed a times of other times.In addition, the peak of telephone traffic also can appear in some specific region, for example, in the stadium of match is arranged, can have a large amount of terminal uses, occurs the problem of traffic congestion possibly for the stadium inner region provides serving sector.
Whole sectors in the base station occur when congested, and traditional solution all is that new base station is built in addressing again.But because the uncertainty of external factor, the addressing process may be very complicated, consumes lot of manpower and material resources, makes that the cost of base station construction is too high.In addition, part sector in the base station occurs when congested, the scheme of taking remains addressing again and builds the base station, but, except the problem of above-mentioned addressing difficulty is arranged, congested base station appears in the part sector does not fully use, and causes the waste of base station resource, has increased Internet Service Provider's operating cost yet.
Summary of the invention
The embodiment of the invention provides a kind of method, communication system and a kind of network subsystem that enlarges local region wireless communication capacity, to solve the new base station selection difficulty of construction, base station resource waste that exists in the prior art and the problem that increases operating cost.
A kind of method that enlarges local region wireless communication capacity is applied in the global system for mobile communications, and this method comprises:
When the traffic carrying capacity of determining first sector reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location;
The sign of described second sector is handed down to terminal in first sector coverage area;
Carry described second sector mark during described terminal uplink transmission data;
Second sector of the described second sector mark correspondence receives the data of described terminal transmission by the antenna of first sector, and feedback data is sent to terminal by first fan antenna, carries the sign of described terminal in the described feedback data.
A kind of communication system, this system comprises:
Base station sub-system, the traffic carrying capacity that is used for each sector of base stations detected, and report testing result, and, the data of the antenna receiving terminal transmission by first sector, according to second sector mark in the data these data are sent to second sector, and the feedback data of this second sector transmission is sent to terminal by first fan antenna, carry the sign of described terminal in the described feedback data;
Network subsystem, be used to receive described testing result, when the traffic carrying capacity of first sector in the testing result reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location, and the sign of described second sector is handed down to terminal in first sector coverage area;
Terminal is carried described second sector mark when being used for uplink transmission data.
A kind of network subsystem, this network subsystem comprises:
Receiver module is used for receiving the detection information of the traffic carrying capacity of each sector, base station;
Select module, be used for when the traffic carrying capacity of detection information first sector reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location;
Notification module, the sign that is used for described second sector that will select is handed down to the terminal of first sector coverage area, notify this terminal when uplink transmission data, carry described second sector mark, according to second sector mark in the data these data are sent to second sector so that receive the base station of described uplink transmission data, and the feedback data that this second sector is sent sends to terminal by first fan antenna, carries the sign of described terminal in the described feedback data.
When first sector occurs when congested, from the base station at this place, sector or with selecting one or more traffic carrying capacitys to be lower than second sector of second set point the base station, location, first sector and second sector are coupled, when having solved congestion problems, avoided the Cell Site Placement process, if just the appearance of part sector is congested, can also reduce the construction quantity of base station.
Description of drawings
Fig. 1 is the method step schematic flow sheet that enlarges local region wireless communication capacity in the embodiment of the invention one;
Fig. 2 is a same base station section coupling schematic diagram in the embodiment of the invention two;
Fig. 3 is a same base station section coupling schematic diagram in the embodiment of the invention two;
Fig. 4 is with location base station section coupling schematic diagram in the embodiment of the invention three;
Fig. 5 is a communication system architecture schematic diagram in the embodiment of the invention four;
Fig. 6 is the structural representation of network subsystem in the embodiment of the invention five.
Embodiment
Describe the present invention in detail below in conjunction with Figure of description and specific embodiment.
Method and system described in the invention all be applied to global system for mobile communications (Global Systemfor Mobile communication, GSM).In order to realize the object of the invention, when traffic congestion occurring,, enlarge the capacity of this congested sector, for more terminal in this congested sector coverage area provides service with this congested sector and with the base station or with the less sector coupling of traffic carrying capacity in the base station, location in the sector.
As shown in Figure 1, be the method step schematic flow sheet in the embodiment of the invention one, as can be seen from the figure this method may further comprise the steps:
Step 101: it is congested whether the traffic carrying capacity of detection sector occurs, if then execution in step 102, otherwise, continue to detect.
In the present embodiment, congested being meant appears in the traffic carrying capacity of sector: the current business datum in sector has reached first set point.Particularly, getting surely of this first set point can have multiple scheme, as rule of thumb value is definite, when perhaps the ratio of the business datum that can handle when the current business datum in sector and sector is big (as reaching 80%), then the first set point size is set to the business datum amount size of sector when pre-treatment.
Step 102: from the base station at place, congested sector or with this base station with selecting the sector of at least one traffic carrying capacity other base stations of location less than second set point, and the sector mark of this sector is handed down to terminal in the congested sector coverage area.
Be cell switch process during the terminal uplink transmission data, need issue sector mark to terminal by network side.Particularly, after can going out the traffic case of each sector by the Based Intelligent Control entity detection of base station side, with traffic case to network subsystem (Network SubSystem, NSS) (the Mobile Switching Center of the mobile services switching centre in, MSC) report, after by MSC the ability of each sector comprehensively being judged, select other sectors to provide service, and the sign of other sectors that will select is handed down to one or more terminals for the terminal of congested sector coverage area.Described other sectors can belong to same base station with congested sector, also can belong to different base station, but two base stations of adhering to separately are with the base station, location.
Step 103: described terminal uplink transmission data, carry the sector mark that receives in the data.
Step 104: the described data that will receive send to the sector of described sector mark correspondence.
During the terminal uplink transmission data, no matter whether receive the sign of other sectors, all, realized the shared fan antenna in coupling back, many sectors, reduced the cost of newly-built antenna part the fan antenna transmission data of data by the sector, place.
In step 102, the sign of the sector that MSC is less with other traffic carrying capacitys is handed down to the part or all of terminal in the congested sector coverage area, and particularly, MSC selects the method for terminal may further comprise the steps:
The first step: MSC from NSS homing user position register (Home Location Register HLR) finds out the parameter information of each terminal in the congested sector coverage area.
Second step: satisfy the sign that the terminal that imposes a condition issues other sectors to parameter information, the data of the feasible terminal that satisfies condition can in time be handled.
In the present embodiment, imposing a condition to be: whether the priority of terminal is higher than setting priority, if be higher than, then satisfies imposing a condition; Otherwise, do not satisfy imposing a condition.When the ability of other current deal with data in sector of selecting is strong, can reduce the priority of setting, make the more terminal can uplink data sending; And the lower terminal of priority need be waited in line.
In step 103, terminal may receive the sign of a plurality of sectors simultaneously, the sector that need therefrom select a sign correspondence is as the sector of inserting, particularly, terminal can be selected a sector according to preestablishing sub-district gravity treatment principle from each sector of the sector mark correspondence that receives, carry this sector mark when uplink transmission data.This sub-district gravity treatment principle can be to set in the GSM standard.
Respectively the congested situation of congested and whole sectors appearance is appearred in part sector in certain base station below and be described, describe the scheme of embodiment one with concrete example in detail.
The scheme of the embodiment of the invention two is that congested situation appears in the part sector among the A of base station, and as shown in Figure 2, congested sector occurring is sector A1, and the scheme of present embodiment is as follows:
The first step detects the traffic carrying capacity of each sector of base station, and testing result is that the traffic carrying capacity of sector A1 is bigger, has occurred congestedly, and the traffic carrying capacity of sector A2 and sector A3 is less than set point.
In the present embodiment, network side is selected sector A2 and sector A1 coupling, provides service for the terminal in the A1 overlay area, sector jointly.
Second step: network side is handed down to part or all of terminal in the A1 overlay area, sector with the sign of sector A2.
Select terminal mode can with embodiment one in identical, be set in region memory that sector A1 covers in terminal 1, if receive the sign of the sector A2 that issues, then this terminal 1 is carried the sign of sector A2 when uplink transmission data.
The 3rd step: the data that terminal 1 will have been carried sector A2 sign transfer to the base station by sector A1 antenna uplink.
The 3rd step: the described data that will receive send to sector A2.
The 4th the step: sector A2 handles data, and with feedback data by the descending terminal 1 that sends to of sector A1 antenna, wherein, comprise the sign of terminal 1 in the feedback data.
In third and fourth step of present embodiment, can be the data based sector mark that carries of uplink to be sent to corresponding sector, and the data stack back of different sectors downstream feedback is sent by a fan antenna by high-power mixer or electric bridge.High-power mixer or electric bridge can be the parts of Based Intelligent Control entity among the embodiment one.
Sector A2 also receives the data of the terminal uplink of A2 overlay area, sector, for the terminal in the A2 overlay area, sector provides service, as shown in Figure 3 except receiving and issue the data by sector A1 antenna by sector A2 antenna.
When all sectors of base station A all occur when congested, need utilize other with traffic carrying capacity in the base station, location less sector and the coupling of congested sector, strengthen congested sectors of data disposal ability.Scheme in the embodiment of the invention three is on the basis of embodiment two, when the sector A1 of the sector of base station A A1 occurs congested, and when the sector A3 of sector A3 also congestion situation occurs, from with selecting less sector of traffic carrying capacity and the sector among the A of base station to be coupled sector B1, the sector B2 of base station, location B and the sector B3, as shown in Figure 4, concrete steps are as follows:
The first step: by the detection to the traffic carrying capacity of A sector, base station, it is congested to determine that sector A1, A3 have occurred.
Second step: the traffic carrying capacity of each sector among the same location base station B of base stations detected A, the traffic carrying capacity of determining sector B1-B3 is all less.
The 3rd step: the sign of sector B1, B2 is handed down to part or all of terminal in the A1 overlay area, sector, the sign of sector B3 is handed down to part or all of terminal in the A3 overlay area, sector.
Sector B1, sector A1 and sector B2 coupling is for the terminal of A1 overlay area, sector provides service.
Terminal 1 receives the sign of sector B1, B2 in the A1 overlay area, sector, and terminal 2 receives the sign of sector B3 in the A3 overlay area, sector.
The 4th step: terminal 1 to base station side, is carried the sign of sector B1 with the data of the uplink antenna transmission by sector A1 in the described data; Terminal 2 to base station side, is carried the sign of sector B3 with the data of the uplink antenna transmission by sector A3 in the described data.
Terminal 1 can be selected one as the sector of inserting according to sub-district gravity treatment principle from sector B1 and sector B2.
The 5th step: the data of terminal 1 transmission are sent to sector B1, and the data that terminal 2 is transmitted send to sector B3.
The 6th step: after sector B1 and sector B3 handle the data that receive respectively, by sector A1 antenna and sector A3 antenna downlink transmission data.
In the present embodiment, occur also can utilizing with sector among the B of base station, location and the sector He Lu among the A of base station when congested when part sector among the A of base station.
Description by embodiment one to embodiment three, the embodiment of the invention four also provides a kind of communication system, as shown in Figure 5, this system comprises base station sub-system 11 (Base Station Subsystem, BSS), network subsystem 12 and terminal 13, wherein, base station sub-system 11 is used for the traffic carrying capacity of each sector of base stations detected, and reports testing result; Network subsystem 12 is used to receive described testing result, when the traffic carrying capacity of first sector in the testing result reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location, and the sign of described second sector is handed down to terminal 13 in first sector coverage area; When being used for uplink transmission data, terminal 13 carries described second sector mark.
Described base station sub-system 11 is used for the described data by the antenna receiving terminal transmission of first sector, according to described second sector mark in the data these data are sent to second sector, and the feedback data that this second sector is sent sends to terminal by first fan antenna, carries the sign of described terminal in the described feedback data.
Described terminal 13 is used for selecting a sector according to the sub-district gravity treatment principle of setting from each sector of the sector mark correspondence that receives, carries this sector mark when uplink transmission data.
The embodiment of the invention five also provides a kind of network subsystem, and as shown in Figure 6, this network subsystem comprises receiver module 31, selects module 32 and notification module 33, and wherein, receiver module 31 is used for receiving the detection information of the traffic carrying capacity of each sector, base station; Select module 32 to be used for when the traffic carrying capacity of detection information first sector reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location; The sign that notification module 33 is used for described second sector that will select is handed down to the terminal of first sector coverage area, notifies this terminal when uplink transmission data, carries described second sector mark.
Described network subsystem comprises that also homing user position register 34 is used for preserving the parameter information of each terminal of sector coverage area; Notification module 33 is used for finding out from described homing user position register 34 parameter information of the described terminal first sector coverage area, and the sign of described second sector that will select is handed down to, and parameter information satisfies the terminal that imposes a condition in first sector coverage area, notify this terminal when uplink transmission data, carry described second sector mark.
By method, communication system and a kind of network subsystem that the embodiment of the invention provided, in some special time, sector of base station occurs when congested, utilize the less sector of this base station own service amount or other to close the road with sector in the base station, location and congested sector, when having solved congestion problems, reduce the construction quantity of antenna part, avoided the Cell Site Placement process; Simultaneously,, can also reduce the construction quantity of base station, save cost if just the appearance of part sector is congested.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. method that enlarges local region wireless communication capacity is applied to it is characterized in that in the global system for mobile communications that this method comprises:
When the traffic carrying capacity of determining first sector reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location;
The sign of described second sector is handed down to terminal in first sector coverage area;
Carry described second sector mark during described terminal uplink transmission data;
Second sector of the described second sector mark correspondence receives the data of described terminal transmission by the antenna of first sector, and feedback data is sent to terminal by first fan antenna, carries the sign of described terminal in the described feedback data.
2. the method for claim 1 is characterized in that, by mobile services switching centre the sign of described second sector is handed down to terminal in first sector coverage area.
3. method as claimed in claim 2 is characterized in that, the terminal that described second sector mark is handed down in first sector coverage area comprises:
From homing user position register, find out the parameter information of each terminal in first sector coverage area;
Described second sector mark is sent to parameter satisfy the terminal that imposes a condition.
4. the method for claim 1 is characterized in that, carries described second sector mark during terminal uplink transmission data and comprises:
Terminal is selected a sector according to the sub-district gravity treatment principle of setting from each sector of the sector mark correspondence that receives, carry this sector mark when uplink transmission data.
5. a communication system is characterized in that, this system comprises:
Base station sub-system, the traffic carrying capacity that is used for each sector of base stations detected, and report testing result, and, the data of the antenna receiving terminal transmission by first sector, according to second sector mark in the data these data are sent to second sector, and the feedback data of this second sector transmission is sent to terminal by first fan antenna, carry the sign of described terminal in the described feedback data;
Network subsystem, be used to receive described testing result, when the traffic carrying capacity of first sector in the testing result reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location, and the sign of described second sector is handed down to terminal in first sector coverage area;
Terminal is used for carrying described second sector mark when uplink transmission data after receiving second sector mark that described network subsystem issues.
6. system as claimed in claim 5 is characterized in that, described network subsystem comprises:
Homing user position register is used for preserving the parameter information of each terminal of sector coverage area;
Mobile services switching centre, be used for when the traffic carrying capacity of testing result first sector reaches first set point, select at least one described second sector, and from described homing user position register, find out the parameter information of the described terminal in first sector coverage area, the sign of described second sector selected is sent to parameter information satisfy the terminal that imposes a condition.
7. system as claimed in claim 5 is characterized in that,
Described terminal is used for selecting a sector according to the sub-district gravity treatment principle of setting from each sector of the sector mark correspondence that receives, carries this sector mark when uplink transmission data.
8. a network subsystem is characterized in that, this network subsystem comprises:
Receiver module is used for receiving the detection information of the traffic carrying capacity of each sector, base station;
Select module, be used for when the traffic carrying capacity of detection information first sector reaches first set point, from the base station at place, described first sector or with selecting at least one traffic carrying capacity to be lower than second sector of second set point the base station, location;
Notification module, the sign that is used for described second sector that will select is handed down to the terminal of first sector coverage area, notify this terminal when uplink transmission data, carry described second sector mark, according to second sector mark in the data these data are sent to second sector so that receive the base station of described uplink transmission data, and the feedback data that this second sector is sent sends to terminal by first fan antenna, carries the sign of described terminal in the described feedback data.
9. network subsystem as claimed in claim 8 is characterized in that, described network subsystem also comprises:
Homing user position register is used for preserving the parameter information of each terminal of sector coverage area;
Described notification module, be used for finding out the parameter information of the described terminal first sector coverage area from described homing user position register, and the sign of described second sector that will select is handed down to the satisfied terminal that imposes a condition of parameter information, notify this terminal when uplink transmission data, carry described second sector mark.
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| CN101472297B true CN101472297B (en) | 2010-10-20 |
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| CN102325331B (en) * | 2011-07-20 | 2014-11-05 | 北京邮电大学 | Hotspot base station setting method capable of enabling hotspots to cover network cell |
| CN106060838B (en) * | 2016-06-28 | 2019-07-26 | 中国联合网络通信集团有限公司 | Base station expansion method and system |
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| WO2003081809A1 (en) * | 2002-03-22 | 2003-10-02 | Matsushita Electric Industrial Co., Ltd. | Base station apparatus and sector control method |
| CN1758804A (en) * | 2004-10-10 | 2006-04-12 | 中兴通讯股份有限公司 | Method of sector loading balance in time-division group network system |
| CN1860740A (en) * | 2003-09-30 | 2006-11-08 | 艾利森电话股份有限公司 | Method and apparatus for congestion control in high speed wireless packet data networks |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003081809A1 (en) * | 2002-03-22 | 2003-10-02 | Matsushita Electric Industrial Co., Ltd. | Base station apparatus and sector control method |
| CN1860740A (en) * | 2003-09-30 | 2006-11-08 | 艾利森电话股份有限公司 | Method and apparatus for congestion control in high speed wireless packet data networks |
| CN1758804A (en) * | 2004-10-10 | 2006-04-12 | 中兴通讯股份有限公司 | Method of sector loading balance in time-division group network system |
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