CN103582138A - Radio communication system, menagement device and base station menagement method - Google Patents
Radio communication system, menagement device and base station menagement method Download PDFInfo
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- CN103582138A CN103582138A CN201310308358.6A CN201310308358A CN103582138A CN 103582138 A CN103582138 A CN 103582138A CN 201310308358 A CN201310308358 A CN 201310308358A CN 103582138 A CN103582138 A CN 103582138A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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Abstract
In a radio communication system of the embodiment, a base station (2) comprises a UL interference information supply part (24) for sending the UL interference information of an uplink signal from a terminal (1) to the base station (2), the terminal (1) comprises a DL interference information supply part (12) for sending the DL interference information of a downlink signal from the base station (2) to the terminal (1). A management device (3) comprises lists (34, 35, 37) possessing an operation frequency of the base station (2), a frequency band width and the sending output, an interference information obtaining part (32) for obtaining the UL interference information and the DL interference information, a frequency/sending outputting control part (33) for distributing the operation frequency, the frequency band width and the sending output based on the UL interference information, the DL interference information and the lists (34, 35, 37).
Description
The application be take the Japanese patent application 2012-163121(applying date: be on July 23rd, 2012) basis, and enjoy the priority of this application.The application is by the full content that comprises this application with reference to this application.
Technical field
Embodiments of the present invention relate to wireless communication system, management devices and the BTS management method that a plurality of base stations are managed.
Background technology
Be accompanied by the universal of smart mobile phone and panel computer terminal, estimate that mobile data communication amount future increases gradually.As indoor traffic countermeasure, consider that setting flies cellular basestation or cellulor base station.But the overlay area at 1 stylobate station is less, a large amount of base stations need to be set, putting station design and the burden of engineering be set larger.As the important set point determining in putting station design, there is operating frequency and send output.If can make these set automation, can alleviate the burden to the setting of base station.
There is positional information based on base station independently to distribute the method for operating frequency.In the situation that having imagined the room areas such as building, in the method, for latitude, longitude identical and highly different base station selected different operating frequencies, sometimes efficiency of frequency employment variation mutually.In addition,, due to the indoor environment such as shelter, sometimes transmit environment and also can change.Therefore, only by the information of latitude, longitude, cannot set suitable operating frequency and send output, having the problem of the utilization ratio variation of frequency.
Summary of the invention
Problem to be solved by this invention is, thereby provides a kind of frequency of can effectively utilizing to make wireless communication system, management devices and the BTS management method that communication quality is good.
The wireless communication system of execution mode possesses terminal, carries out a plurality of base stations of radio communication and the management devices of managing described base station with described terminal, described base station possesses UL interfere information provides portion, send UL interfere information, this UL interfere information is the interfere information of the upward signal from described terminal to the transmission of described base station; Described terminal possesses DL interfere information provides portion, sends DL interfere information, and this DL interfere information is the interfere information of the downstream signal that sends to described terminal from described base station; Described management devices possesses: storage part, and storage has and can and send the list of exporting to the operating frequency of described base station sets, frequency bandwidth; Interfere information obtaining section, obtains described UL interfere information and described DL interfere information; And frequency/transmission output control part, based on described UL interfere information, described DL interfere information and described list, to described base station assigns operating frequency, frequency bandwidth and transmission output.
According to the wireless communication system of above-mentioned formation, thereby can effectively utilize frequency to make communication quality good.
Accompanying drawing explanation
Fig. 1 is the overall diagram of the wireless communication system of present embodiment.
Fig. 2 means the block diagram of function composing of the wireless communication system of present embodiment.
Fig. 3 means the figure of an example of list of frequency.
Fig. 4 means the figure of an example of frequency bandwidth list.
Fig. 5 means the figure of an example that sends output listing.
Fig. 6 means the figure of the example that place list is set.
Fig. 7 means the figure of an example of parameter list.
Fig. 8 means the figure of the situation that obtains DL interfere information.
Fig. 9 means the figure of the situation of parameter being controlled based on DL interfere information.
Figure 10 means the figure of the situation that obtains UL interfere information.
Figure 11 means the figure of the situation of parameter being controlled based on UL interfere information.
Figure 12 means for the parameter of a plurality of base stations and controls the sequential chart of processing.
Figure 13 means the flow chart of the action under default value.
Figure 14 means the flow chart of obtaining processing of UL interfere information/DL interfere information.
Figure 15 means the flow chart that parameter list making is processed.
Embodiment
Below, with reference to the accompanying drawings of wireless communication system, management devices and the BTS management method of present embodiment.
Fig. 1 is the overall diagram of the wireless communication system of present embodiment.This system has: terminal 1-1～1-m(is referred to as terminal 1 below), base station 2-1～2-n(is referred to as base station 2 below), management devices 3, management server 4, safeguard for network and communications network.The terminal 1 existing in base station 2 and its overlay area is carried out radio communication.Management devices 3 is with a plurality of base stations 2 by wired or wireless connection, and a plurality of base stations 2 are managed on integration ground.In addition, management devices 3 is connected with network by the network and communications with maintenance, via safeguarding with network, is connected with management server 4.
Fig. 2 means the block diagram of function composing of the wireless communication system of present embodiment.Terminal 1 has radio section 11 and DL interfere information provides portion 12.The radio section 11 of terminal 1 is connected by radio communication with the radio section 23 of base station 2.Radio section 11 receives Downlink, and this Downlink is the 2 descending wireless signals that send to terminal 1 from base station.The interference that DL interfere information provides portion 12 to measure the Downlink being received by radio section 11, generates interfere information.DL interfere information provides portion 12 interfere information (DL interfere information) of the Downlink generating to be offered to the interfere information obtaining section 32 of management devices 3.In addition, the mode that provides DL interfere information to management devices 3 both can be via network, also can be via base station.Or, also can use USB(Universal Serial Bus: USB) terminal of having collected DL interfere information is directly connected with management devices 3, thereby DL interfere information is directly offered to management devices 3.
As shown in Figure 8, Figure 9, DL interfere information is for example: the ID of the base station of the signal that transmission can be received by terminal, the received power that receives signal and expectation ripple signal with interference noise power than SINR(Signal to Interference and Noise power Ratio).
In Fig. 2, base station 2 has radio section 23, frequency/transmission output configuration part 22, UL interfere information provides portion 24 and network service portion 21.Radio section 23 receives Uplink, and this Uplink is the up wireless signals from terminal 12 transmissions to base station.The interference that UL interfere information provides portion 24 to measure the Uplink being received by radio section 23, generates interfere information.UL interfere information provides the interfere information of the Uplink of 24 pairs of generations of portion to analyze, and the required interfere information of the distribution of operating frequency (UL interfere information) is offered to interfere information obtaining section 32 via network service portion 21 and network service portion 31.Network service portion 21 is connected with the network service portion 31 of management devices 3.
As shown in Figure 10, Figure 11, UL interfere information for example: the ID of the terminal of the signal that transmission can be received by base station, the received power that receives signal and expectation ripple signal compare SINR with interference noise power.
22 pairs of configuration parts of frequency/transmission output radio section 23 is set operating frequency, the frequency bandwidth being distributed by management devices 3 and sends output.Radio section 23 is according to operating frequency, the frequency bandwidth set by frequency/transmission output configuration part 33 and send output, carries out radio communication with terminal 1.
As shown in Figure 3, the list of frequency 34 of management devices 3 has the guide look of the frequency that can set base station 2, for example, have f1, f2 ... ［ Hz ］.In addition, as shown in Figure 4, frequency bandwidth list 35 has the guide look of the frequency bandwidth that can set base station 2, for example, have XX, YY ... ［ Hz ］.As shown in Figure 5, send the guide look that output listing 37 has the transmission output that can set base station 2, for example, there is AAA, BBB ... ［ mW ］.Management devices 3 be made and be offered to list of frequency 34, frequency bandwidth list 35 and transmission output listing 37 can, in the interior making of management devices 3, also can by management server 4.
As shown in Figure 6, place list 36 is set and there is the guide look that place is set separately of a plurality of base stations 2, for example, there is place A, place B ...The technique of expression that place is set can be the performance of lat/lon or x/y coordinate etc. 2 dimension, or the performances of 3 dimensions such as latitude/longitude/height, x/y/z coordinate, place/floor.Place list 36 is set and can, in the interior making of management devices 3, also can makes and offer management devices 3 by management server 4.In addition, place list 36 is set can be made with together with the gps signal of base station 2, also can manually make.
Interfere information obtaining section 32 receives UL interfere information from a plurality of base stations 2, from terminal 1, receives DL interfere information, and UL interfere information and DL interfere information are notified to frequency/transmission output control part 33.Frequency/transmission output control part 33 based on list of frequency 34, frequency bandwidth list 35, place list 36 be set, send output listing 37 and from UL interfere information/DL interfere information of interfere information obtaining section 32, to each base station 2, distribute operating frequency, frequency bandwidth, transmission output, the parameter list that construction drawing 7 is such.Parameter list is considered efficiency of frequency employment, is made into the interference of other base stations.In addition, even if it is not enough that the information in place is set, also can rely on interfere information to make parameter list.Frequency/transmission output control part 33, is controlled the operating frequency based on parameter list, frequency bandwidth, transmission output to each base station 2 via network service portion 21 notices to each base station 2.
Also can be that management server 4 is made list of frequency 34, frequency bandwidth list 35, place list 36 is set and is sent output listing 37, and with network, to management devices 3, provides these lists via safeguarding.
Next, the action of the wireless communication system forming is like this described.
Fig. 8 represents in the above-described configuration to provide portion 12 to obtain the situation of DL interfere information by the DL interfere information of each terminal.If the place that arranges of base station # 1, #2, #3 is place A, B, C.At this, base station # 1, #2, #3 are used same frequency f 1, identical frequency band width 30MHz, same transmission output 100mV, and terminal a, b are connected with base station #1.Under this state, terminal a is subject to the interference from base station # 3, and similarly, terminal b is interfered from base station # 2, #3.#1Yu base station, base station # 2, #3 is adjacent and the impact that is interfered is used other operating frequencies so be preferably, or controls and send output.At this, if having f1, f2, f3 in list of frequency 34, as shown in Figure 9, by the frequency bandwidth of base station # 1, #2, #3 is made as to 10MHz, the transmission output of base station # 2 is made as to 50mW, the operating frequency of base station # 3 is made as to f3, can eliminate and disturb and improve communication quality.
Figure 10 represents to be obtained by the UL interfere information portion of providing of each base station the situation of UL interfere information.In this case, base station # 1, #2, #3 are used same frequency f 1, identical frequency band width 10MHz, same transmission output 100mV, and terminal a is connected with base station # 1, and terminal b is connected with base station #3.In this case, base station # 1 is subject to the interference of self terminal b, and similarly, base station # 3 is interfered from terminal a.Management devices 3 can grasp that base station # 1 is subject to the interference of self terminal b and #3 is subject to this situation of interference of self terminal a, thus can distribute respectively other operating frequencies, or using it as controlling the object that sends output.At this, if having f1, f2, f3 in list of frequency 34, as shown in figure 11, by the operating frequency of base station # 3 is changed to f3, can eliminate and disturb and improve communication quality.
Figure 12 represents the parameter control processing of a plurality of base stations being carried out by above-mentioned formation.
In Figure 13, in frequency bandwidth is set (S21), be set in frequency bandwidth list frequency bandwidth maximum in selectable frequency bandwidth.In operating frequency, set in (S22), be same operating frequency by all base station sets in list of frequency.In transmission power determining (S23), set transmitted power maximum in list of transmission power.
Each base station 2(#1～#3) UL interfere information is sent to management devices 3, each terminal 1(a, b) DL interfere information is sent to management devices 3(S3).As shown in figure 14, management devices 3 is obtained UL interfere information (S31) from each base station 2, from each terminal 1, obtains DL interfere information (S32).
Figure 15 means the flow chart of the details that parameter list making is processed.Resetting in (S41) of frequency bandwidth, in frequency bandwidth list, reset frequency bandwidth.Resetting in (S42) of operating frequency, from list of frequency, reset operating frequency.Resetting in (S43) of transmitted power, in list of transmission power, reset transmitted power.Then, judge whether SINR is greater than setting (S44) in the past.SINR is greater than in the situation of setting in the past, and the set point in above-mentioned S41～43 is saved in to (S45) in parameter list, in the situation that SINR is not more than setting in the past, transfers to and finishes to judge (S46).In finishing judgement (S46), repeat the processing of above-mentioned S41～S45, until attempted all combinations in list of frequency/frequency bandwidth list/list of transmission power.
Interval (such as 1 day, 1 week, 1 month etc.) at regular intervals, implements that these interfere informations are obtained, parameter list is made, to the setting of base station, processes.
As mentioned above, according to above-mentioned execution mode, between base station and logical credit network/maintenance are with network, management devices is set, use has and can and send list and the UL interfere information/DL interfere information of exporting to the operating frequency of base station sets, frequency bandwidth, to the suitable operating frequency of base station assigns, frequency bandwidth and transmission output, thus, thus can obtain a kind of frequency of can effectively utilizing makes communication system, management devices and the BTS management method that communication quality is good.
In addition, above-mentioned execution mode is prompting as an example just, is not intended to limit scope of invention.Execution mode can be implemented with other variety of ways, in the scope of purport that does not depart from invention, can carry out various omissions, displacement, change.Execution mode and distortion thereof are included in scope of invention and main idea, are also contained in the invention and impartial scope thereof that claims record.
Claims (8)
1. a wireless communication system, possesses terminal, carries out a plurality of base stations of radio communication and the management devices of managing described base station with described terminal, and this wireless communication system is characterised in that,
Described base station possesses UL interfere information provides portion, sends UL interfere information, and this UL interfere information is the interfere information of the upward signal from described terminal to the transmission of described base station;
Described terminal possesses DL interfere information provides portion, sends DL interfere information, and this DL interfere information is the interfere information of the downstream signal that sends to described terminal from described base station;
Described management devices possesses:
Storage part, storage has and can and send the list of exporting to the operating frequency of described base station sets, frequency bandwidth;
Interfere information obtaining section, obtains described UL interfere information and described DL interfere information; And
Frequency/transmission output control part, based on described UL interfere information, described DL interfere information and described list, to described base station assigns operating frequency, frequency bandwidth and transmission output.
2. wireless communication system as claimed in claim 1, is characterized in that,
Described management devices is carried out described interfere information obtaining section and described frequency/transmission output control part with official hour interval.
3. wireless communication system as claimed in claim 1, is characterized in that,
Described base station has radio section and frequency/transmission output configuration part, and described frequency/transmission output configuration part is set to radio section the described operating frequency, described frequency bandwidth and the described transmission that by described frequency/transmission output control part, are distributed and exported.
4. a management devices, manages a plurality of base stations of carrying out radio communication with terminal, it is characterized in that possessing:
Storage part, storage has and can and send the list of exporting to the operating frequency of described base station sets, frequency bandwidth;
Interfere information obtaining section, obtains UL interfere information and DL interfere information, and this UL interfere information is the interfere information of the upward signal from described terminal to the transmission of described base station, and this DL interfere information is the interfere information to the downstream signal of described terminal transmission; And
Frequency/transmission output control part, based on described UL interfere information, described DL interfere information and described list, to described base station assigns operating frequency, frequency bandwidth and transmission output.
5. management devices as claimed in claim 4, is characterized in that,
With official hour interval, carry out described interfere information obtaining section and described frequency/transmission output control part.
6. a BTS management method, is the method for using in wireless communication system, and this wireless communication system possesses terminal, carries out a plurality of base stations of radio communication and the management devices of managing described base station with described terminal, and this BTS management method is characterised in that,
Described base station sends UL interfere information, and this UL interfere information is the interfere information of the upward signal from described terminal to the transmission of described base station,
Described terminal sends DL interfere information, and this DL interfere information is the interfere information of the downstream signal that sends to described terminal from described base station, and,
Described management devices storage has and can and send the list of exporting to the operating frequency of described base station sets, frequency bandwidth, obtain described UL interfere information and described DL interfere information, and based on described UL interfere information, described DL interfere information and described list, to described base station assigns operating frequency, frequency bandwidth and transmission output.
7. BTS management method as claimed in claim 6, is characterized in that,
Described management devices is obtained described UL interfere information and described DL interfere information with official hour interval, and to described base station assigns operating frequency, frequency bandwidth and transmission output.
8. BTS management method as claimed in claim 6, is characterized in that,
Described management devices is exported the described operating frequency of described base station assigns, described frequency bandwidth and described transmission to described base station notice.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-163121 | 2012-07-23 | ||
| JP2012163121A JP2014023125A (en) | 2012-07-23 | 2012-07-23 | Radio communication system, management device, and base station management method |
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| CN103582138A true CN103582138A (en) | 2014-02-12 |
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| JP (1) | JP2014023125A (en) |
| KR (2) | KR20140012893A (en) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095150A1 (en) * | 2017-11-15 | 2019-05-23 | Lenovo (Beijing) Limited | Exchange of ul interference detection related information |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5950958B2 (en) * | 2014-03-28 | 2016-07-13 | ソフトバンク株式会社 | Base station control apparatus and program |
| WO2016010282A1 (en) * | 2014-07-15 | 2016-01-21 | 에스케이텔레콤 주식회사 | Base station device, method for operating same, and terminal device |
| KR102268512B1 (en) | 2014-07-15 | 2021-06-23 | 에스케이텔레콤 주식회사 | Base station and control method thereof, terminal device |
| US9912464B2 (en) * | 2015-07-15 | 2018-03-06 | Cisco Technology, Inc. | Interference relationship characterization in full duplex cable network environments |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202312A (en) * | 2010-03-25 | 2011-09-28 | 索尼公司 | Management server, base station, communication system, and communication method |
| CN102497671A (en) * | 2011-12-02 | 2012-06-13 | 北京邮电大学 | Interference-adaptive frequency distribution method for femtocells and femtocell |
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| JP5366464B2 (en) * | 2008-07-28 | 2013-12-11 | 京セラ株式会社 | Base station, server and communication system |
| JP5170310B2 (en) * | 2009-06-08 | 2013-03-27 | 日本電気株式会社 | Wireless base station, management server, mobile terminal, mobile communication system, and network incorporation method and program |
| US20120083271A1 (en) * | 2009-06-15 | 2012-04-05 | Koichi Tsunekawa | Wireless communication device |
| JP5026621B2 (en) * | 2009-06-26 | 2012-09-12 | 京セラ株式会社 | Base station and base station control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102202312A (en) * | 2010-03-25 | 2011-09-28 | 索尼公司 | Management server, base station, communication system, and communication method |
| CN102497671A (en) * | 2011-12-02 | 2012-06-13 | 北京邮电大学 | Interference-adaptive frequency distribution method for femtocells and femtocell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095150A1 (en) * | 2017-11-15 | 2019-05-23 | Lenovo (Beijing) Limited | Exchange of ul interference detection related information |
| US11553499B2 (en) | 2017-11-15 | 2023-01-10 | Lenovo (Beijing) Limited | Exchange of UL interference detection related information |
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| Publication number | Publication date |
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| JP2014023125A (en) | 2014-02-03 |
| KR101602113B1 (en) | 2016-03-10 |
| KR20150124430A (en) | 2015-11-05 |
| KR20140012893A (en) | 2014-02-04 |
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