CN101959203B - Wireless communication method of LTE (Long Term Evolution) network comprising macro cell base station and home base station - Google Patents
Wireless communication method of LTE (Long Term Evolution) network comprising macro cell base station and home base station Download PDFInfo
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- CN101959203B CN101959203B CN201010503274A CN201010503274A CN101959203B CN 101959203 B CN101959203 B CN 101959203B CN 201010503274 A CN201010503274 A CN 201010503274A CN 201010503274 A CN201010503274 A CN 201010503274A CN 101959203 B CN101959203 B CN 101959203B
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Abstract
The invention comprises a wireless communication method of an LTE (Long Term Evolution) network comprising a macro cell base station and a home base station. According to the characteristics of the home base station, i.e. the characteristics of allowing public access or partially allowing the public access or only allowing to close the access of user set equipment as well as the specific circumstance of entered mobile equipment in a coverage area of the home base station, the interference of the home base station to the mobile equipment connected to the macro cell base station in a down link is reduced by adopting a mode of whether to close the user set equipment or not according to the condition whether the mobile equipment is in an activated state or not so as to improve the wireless communication quality of the mobile equipment connected to the macro cell base station in the coverage area of the home base station.
Description
Technical field
The invention belongs to a kind of network wireless communication means, be specifically related to a kind of LTE network wireless communication means that comprises macrocell base stations and base station from home.
Background technology
In comprising the LTE network of macrocell base stations, dispose base station from home and can effectively improve the indoor signal covering, improve QoS of customer, increase network capacity.Base station from home is a kind of small-sized low power base station, is generally used for indoor places such as family, office space, market, hotel.
It is simple that base station from home has access; Plug and play, the characteristics that the user can dispose voluntarily are just because of these characteristics; The real-time change that has caused network topology structure on the other hand; Be accompanied by a large amount of uses of base station from home like this, through the method coordination solution base station from home of legacy network planning and the method for the mutual interference mutually of the equipment that is connected to macrocell base stations, because workload is huge and infeasible.
At present for the down link of the radio communication of the network that comprises macrocell base stations and base station from home; Promptly from the wireless transmission direction of base station from home to this base station coverage area; Majority relates to known method that frequency band reuses, and to need base station from home be public visit; But also there is not method to come effectively to solve in the base station from home down link now, to the interference problem of the non-closed user group mobile device that is connected to macrocell base stations that gets into this base station from home coverage.
Summary of the invention
In order to overcome the deficiency that above-mentioned prior art exists; The object of the present invention is to provide a kind of LTE network wireless communication means that comprises macrocell base stations and base station from home; Through characteristic according to base station from home; Promptly allow the open characteristic of visiting or partly allowing open visit or only allow the closed user group device access; And the concrete condition of the mobile device of the base station from home coverage that gets into, whether be in state of activation according to this mobile device, whether be the concrete condition of closed user group equipment; Reduce the interference of base station from home in the down link in different ways, improve the radio communication quality of the mobile device that is connected to macrocell base stations in the family expenses base station range the mobile device that is connected to macrocell base stations.
In order to achieve the above object, the technical scheme that the present invention adopted is:
A kind of LTE network wireless communication means that comprises macrocell base stations and base station from home:
Step 1: if the base station from home group exists part to allow the base station from home HeNB2 of open visit; Then be that non-closed user group mobile device ME1 sets restrictive condition in advance; In the traffic peak that this restrictive condition relates to the largest user quantity that allow to insert part and allow the base station from home HeNB2 of open visit, allow simultaneous maximum activation number of users, permission one or multinomial; Promptly when satisfying this restrictive condition, the interior subscriber equipment of non-closed user group that allows to be in idle condition is connected to this base station from home;
Step 2: carry out initialization when the base station from home of family expenses group of base stations powers on; Be linked into to be connected into comprise the LTE network of macrocell base stations eNB1 the time; If base station from home is only to allow the base station from home HeNB1 of closed user group device access and part to allow the open base station from home HeNB2 that visits; And macrocell base stations eNB 1 has preestablished the sub-carrier frequencies scope of dodging, and then these base station from home obtain this and dodge the sub-carrier frequencies scope;
Step 3: in the time of in the family expenses base station detects non-its coverage of closed user group mobile device ME1 entering; For the base station from home HeNB1 that only allows the closed user group device access; If not closed user group mobile device ME1 is in idle condition; The scope of dodging of the local emission band of this base station from home HeNB1 that only allows the closed user group device access then is set; This dodges the pairing resource element of public information of keeping the normal access of idle mobile device that scope is sent for macrocell base stations eNB1; If not closed user group mobile device ME1 is in state of activation; The scope of dodging of the local emission band of this base station from home HeNB1 that only allows the closed user group device access is set; This dodges public information and the corresponding resource element of service dispatching control information of keeping the normal access of mobile device that scope comprises that macrocell base stations eNB1 sends; And the described sub-carrier frequencies scope of dodging; If this base station from home is the base station from home HeNB2 that part allows open visit, if not closed user group mobile device ME1 is in idle condition, part allows the base station from home HeNB2 of open visit that non-closed user group mobile device ME1 is switched and inserts the base station from home HeNB2 that part allows open visit; If not and closed user group mobile device ME1 is in state of activation; The scope of dodging that this part allows the local emission band of the open base station from home HeNB2 that visits is set, and this dodges public information and the corresponding resource element of service dispatching control information that mobile device normally inserts of keeping that scope comprises macrocell base stations eNB1 transmission, and the described sub-carrier frequencies scope of dodging; Be in from idle condition state entering state of activation if be connected to the non-closed user group mobile device ME1 of the base station from home HeNB2 of the open visit of part permission again; The base station from home HeNB2 of the open visit of i.e. part permission receives the service dispatching request of non-closed user group mobile device ME1, then non-closed user group mobile device ME1 is switched to macrocell base stations eNB 1, and the scope of dodging that this part allows the local emission band of the open base station from home HeNB2 that visits is set simultaneously; This dodges public information and the corresponding resource element of service dispatching control information of keeping the normal access of mobile device that scope comprises that macrocell base stations eNB1 sends, and the described sub-carrier frequencies scope of dodging.If this base station from home is the base station from home HeNB3 that allows open visit, non-closed user group mobile device ME1 is switched the base station from home HeNB3 that accesses to the open visit of permission.
In the described step 2 base station from home is powered on when carrying out initialization; If this base station from home is only to allow the base station from home HeNB1 of closed user group device access and part to allow the openly base station from home HeNB2 of visit; Through macrocell base stations eNB1 pilot tone being intercepted or Control Node is unified regulative mode; Adjust the position on the initial border of time domain of the radio frames of launching this sub-district, make the base station from home or the part that only allow the closed user group device access allow the corresponding resource element position non-overlapping of system information in corresponding resource element position of the interior system information of open base station from home emission band of visiting and the macrocell base stations eNB1 emission band.
The base station from home HeNB3 that described permission is openly visited; When the non-closed user group mobile device ME1 of access exceeds the quantity of the base station from home HeNB3 permission access that allows open visit; Through reducing the base station from home HeNB3 transmitting power that allows open visit; To reduce to allow the base station from home HeNB3 coverage of open visit; Make the equipment that is positioned at the base station from home HeNB3 edge that allows open visit switch to macrocell base stations eNB1, in the access customer number amount of HeNB3 maintains the quantitative range that permission inserts.
Described subcarrier of dodging the sub-carrier frequencies scope is for that disperse or continuous.
A kind of LTE network wireless communication means that comprises macrocell base stations eNB1 and base station from home of the present invention; Through characteristic according to base station from home; Promptly allow the open characteristic of visiting or partly allowing open visit or only allow the closed user group device access; And the concrete condition of the mobile device of the base station from home coverage that gets into; Whether be in state of activation according to this mobile device and adopt the mode of closed user group equipment whether to reduce the interference of base station from home in the down link, improve the radio communication quality of the mobile device that is connected to macrocell base stations in the family expenses base station range the mobile device that is connected to macrocell base stations.
Description of drawings
Accompanying drawing is a work sketch map of the present invention; The coverage of wherein outmost ellipse representation macrocell base stations eNB1; The outer interior ellipse representation of HeNB1 only allows the coverage of the base station from home HeNB1 of closed user group device access; The outer interior ellipse representation of HeNB2 partly allows the coverage of the base station from home HeNB2 of open visit, and the outer interior ellipse representation of HeNB3 allows the coverage of the base station from home HeNB2 of open visit, and ME1 representes non-closed user group mobile device.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done more detailed explanation.
A kind of LTE network wireless communication means that comprises macrocell base stations and base station from home:
Step 1: if the base station from home group exists part to allow the base station from home HeNB2 of open visit; Then be that non-closed user group mobile device ME1 sets restrictive condition in advance; In the traffic peak that this restrictive condition relates to the largest user quantity that allow to insert part and allow the base station from home HeNB2 of open visit, allow simultaneous maximum activation number of users, permission one or multinomial; Promptly when satisfying this restrictive condition, the interior subscriber equipment of non-closed user group that allows to be in idle condition is connected to this base station from home;
Step 2: carry out initialization when the base station from home of family expenses group of base stations powers on; Be linked into to be connected into comprise the LTE network of macrocell base stations eNB1 the time; If base station from home is only to allow the base station from home HeNB1 of closed user group device access and part to allow the open base station from home HeNB2 that visits; And macrocell base stations eNB 1 has preestablished the sub-carrier frequencies scope of dodging, and then these base station from home obtain this and dodge the sub-carrier frequencies scope;
Step 3: in the time of in the family expenses base station detects non-its coverage of closed user group mobile device ME1 entering; For the base station from home HeNB1 that only allows the closed user group device access; If not closed user group mobile device ME1 is in idle condition; The scope of dodging of the local emission band of this base station from home HeNB1 that only allows the closed user group device access then is set; This dodges the pairing resource element of public information of keeping the normal access of idle mobile device that scope is sent for macrocell base stations eNB1; With guarantee non-closed user group mobile device ME1 can intercept the pilot tone of macrocell base stations eNB1 smoothly and keep and macrocell base stations eNB1 between wireless connections; If not closed user group mobile device ME1 is in state of activation; The scope of dodging of the local emission band of this base station from home HeNB1 that only allows the closed user group device access is set; This dodges public information and the corresponding resource element of service dispatching control information of keeping the normal access of mobile device that scope comprises that macrocell base stations eNB1 sends; And the described sub-carrier frequencies scope of dodging; So just can guarantee downlink traffic do not disturbed normally carry out; If this base station from home is the base station from home HeNB2 that part allows open visit, if not closed user group mobile device ME1 is in idle condition, part allows the base station from home HeNB2 of open visit that non-closed user group mobile device ME1 is switched and inserts the base station from home HeNB2 that part allows open visit; If not and closed user group mobile device ME1 is in state of activation; The scope of dodging that this part allows the local emission band of the open base station from home HeNB2 that visits is set, and this dodges public information and the corresponding resource element of service dispatching control information that mobile device normally inserts of keeping that scope comprises macrocell base stations eNB1 transmission, and the described sub-carrier frequencies scope of dodging; Be in from idle condition state entering state of activation if be connected to the non-closed user group mobile device ME1 of the base station from home HeNB2 of the open visit of part permission again; The base station from home HeNB2 of the open visit of i.e. part permission receives the service dispatching request of non-closed user group mobile device ME1, then non-closed user group mobile device ME1 is switched to macrocell base stations eNB1, and the scope of dodging that this part allows the local emission band of the open base station from home HeNB2 that visits is set simultaneously; This dodges public information and the corresponding resource element of service dispatching control information of keeping the normal access of mobile device that scope comprises that macrocell base stations eNB1 sends, and the described sub-carrier frequencies scope of dodging.If this base station from home is the base station from home HeNB3 that allows open visit, non-closed user group mobile device ME1 is switched the base station from home HeNB3 that accesses to the open visit of permission.
In the described step 2 base station from home is powered on when carrying out initialization; If this base station from home is only to allow the base station from home HeNB1 of closed user group device access and part to allow the openly base station from home HeNB2 of visit; Through macrocell base stations eNB1 pilot tone being intercepted or Control Node is unified regulative mode; Adjust the position on the initial border of time domain of the radio frames of launching this sub-district; Make the base station from home HeNB1 that only allows the closed user group device access or part allow the corresponding resource element position non-overlapping of system information in the corresponding resource element position of system information in the base station from home HeNB2 emission band of open visit and the macrocell base stations eNB1 emission band, allow the open base station from home HeNB2 that visits to maintain the normal use of the equipment that is connected to macrocell base stations eNB1 in its coverage through dodging mode with base station from home HeNB1 and the part that guarantees only to allow the closed user group device access.
The base station from home HeNB3 that described permission is openly visited; When the non-closed user group mobile device ME1 of access exceeds the quantity of the base station from home HeNB3 permission access that allows open visit; Through reducing the base station from home HeNB3 transmitting power that allows open visit; To reduce to allow the base station from home HeNB3 coverage of open visit; Make the equipment that is positioned at the base station from home HeNB3 edge that allows open visit switch to macrocell base stations eNB1, in the access customer number amount of HeNB3 maintains the quantitative range that permission inserts, so further avoided interference.
Described subcarrier of dodging the sub-carrier frequencies scope can guarantee the accuracy of signal transmission like this for that disperse or continuous.
A kind of LTE network wireless communication means that comprises macrocell base stations eNB1 and base station from home of the present invention; Through characteristic according to base station from home; Promptly allow the open characteristic of visiting or partly allowing open visit or only allow the closed user group device access; And the concrete condition of the mobile device of the base station from home coverage that gets into; Whether be in state of activation according to this mobile device and adopt the mode of closed user group equipment whether to reduce the interference of base station from home in the down link, improve the radio communication quality of the mobile device that is connected to macrocell base stations in the family expenses base station range the mobile device that is connected to macrocell base stations.
Claims (3)
1. LTE network wireless communication means that comprises macrocell base stations and base station from home is characterized in that:
Step 1: if the base station from home group exists part to allow the base station from home HeNB2 of open visit; Then be that non-closed user group mobile device ME1 sets restrictive condition in advance; In the traffic peak that this restrictive condition relates to the largest user quantity that allow to insert part and allow the base station from home HeNB2 of open visit, allow simultaneous maximum activation number of users, permission one or multinomial; Promptly when satisfying this restrictive condition, the interior subscriber equipment of non-closed user group that allows to be in idle condition is connected to this base station from home;
Step 2: carry out initialization when the base station from home of family expenses group of base stations powers on; Be linked into to be connected into comprise the LTE network of macrocell base stations eNB1 the time; If base station from home is only to allow the base station from home HeNB1 of closed user group device access and part to allow the open base station from home HeNB2 that visits; And macrocell base stations eNB1 has preestablished the sub-carrier frequencies scope of dodging, and then these base station from home obtain this and dodge the sub-carrier frequencies scope;
Step 3: in the time of in the family expenses base station detects non-its coverage of closed user group mobile device ME1 entering; For the base station from home HeNB1 that only allows the closed user group device access; If not closed user group mobile device ME1 is in idle condition; The scope of dodging of the local emission band of this base station from home HeNB1 that only allows the closed user group device access then is set; This dodges the pairing resource element of public information of keeping the normal access of idle mobile device that scope is sent for macrocell base stations eNB1; If not closed user group mobile device ME1 is in state of activation; The scope of dodging of the local emission band of this base station from home HeNB1 that only allows the closed user group device access is set; This dodges public information and the corresponding resource element of service dispatching control information of keeping the normal access of mobile device that scope comprises that macrocell base stations eNB1 sends; And the described sub-carrier frequencies scope of dodging, if this base station from home is the base station from home HeNB2 that part allows open visit, if not closed user group mobile device ME1 is in idle condition; Part allows the base station from home HeNB2 of open visit that non-closed user group mobile device ME1 is switched and inserts the base station from home HeNB2 that part allows open visit; If not and closed user group mobile device ME1 is in state of activation, the scope of dodging that this part allows the local emission band of the open base station from home HeNB2 that visits is set, this dodges public information and the corresponding resource element of service dispatching control information that mobile device normally inserts of keeping that scope comprises macrocell base stations eNB1 transmission; And the described sub-carrier frequencies scope of dodging; If being connected to the non-closed user group mobile device ME1 of the base station from home HeNB2 of the open visit of part permission is in from idle condition state entering state of activation, i.e. the base station from home HeNB2 of the open visit of part permission receives the service dispatching request of non-closed user group mobile device ME1, then non-closed user group mobile device ME1 is switched to macrocell base stations eNB1 again; The scope of dodging that this part allows the local emission band of the open base station from home HeNB2 that visits is set simultaneously; This dodges public information and the corresponding resource element of service dispatching control information of keeping the normal access of mobile device that scope comprises that macrocell base stations eNB1 sends, and the described sub-carrier frequencies scope of dodging, if this base station from home is the base station from home HeNB3 that allows open visit; Non-closed user group mobile device ME1 is switched the base station from home HeNB3 that accesses to the open visit of permission; When the non-closed user group mobile device ME1 of access exceeds the quantity of the base station from home HeNB3 permission access that allows open visit, through reducing the base station from home HeNB3 transmitting power that allows open visit, to reduce to allow the base station from home HeNB3 coverage of open visit; Make the equipment that is positioned at the base station from home HeNB3 edge that allows open visit switch to macrocell base stations eNB1, in the access customer number amount of HeNB3 maintains the quantitative range that permission inserts.
2. the LTE network wireless communication means that comprises macrocell base stations and base station from home according to claim 1; It is characterized in that: in the described step 2 base station from home is powered on when carrying out initialization; If this base station from home is only to allow the base station from home HeNB1 of closed user group device access and part to allow the openly base station from home HeNB2 of visit; Through macrocell base stations eNB1 pilot tone being intercepted or Control Node is unified regulative mode; Adjust the position on the initial border of time domain of the radio frames of launching this sub-district, make the base station from home or the part that only allow the closed user group device access allow the corresponding resource element position non-overlapping of system information in corresponding resource element position of the interior system information of open base station from home emission band of visiting and the macrocell base stations eNB1 emission band.
3. according to claim 1 or the described LTE network wireless communication means that comprises macrocell base stations and base station from home of claim 2, it is characterized in that: described subcarrier of dodging the sub-carrier frequencies scope is for that disperse or continuous.
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CN101778463A (en) * | 2009-01-08 | 2010-07-14 | 中国移动通信集团公司 | Home base station and transmitting power setting method thereof |
CN101784057A (en) * | 2009-01-19 | 2010-07-21 | 鼎桥通信技术有限公司 | Method for reducing femtocell interference |
CN101790133A (en) * | 2009-05-27 | 2010-07-28 | 天津中启创科技有限公司 | Method for eliminating uplink interference of home base station |
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GB2463001B (en) * | 2008-08-11 | 2012-07-04 | Picochip Designs Ltd | Communication network |
EP2190236A1 (en) * | 2008-11-21 | 2010-05-26 | Alcatel, Lucent | A femtocell base station and a method of radio communication in a network comprising a femtocell base station |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101778463A (en) * | 2009-01-08 | 2010-07-14 | 中国移动通信集团公司 | Home base station and transmitting power setting method thereof |
CN101784057A (en) * | 2009-01-19 | 2010-07-21 | 鼎桥通信技术有限公司 | Method for reducing femtocell interference |
CN101790133A (en) * | 2009-05-27 | 2010-07-28 | 天津中启创科技有限公司 | Method for eliminating uplink interference of home base station |
Non-Patent Citations (1)
Title |
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