CN107404729A - sector conversion method, base station, network element and communication system - Google Patents

sector conversion method, base station, network element and communication system Download PDF

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Publication number
CN107404729A
CN107404729A CN201610333707.3A CN201610333707A CN107404729A CN 107404729 A CN107404729 A CN 107404729A CN 201610333707 A CN201610333707 A CN 201610333707A CN 107404729 A CN107404729 A CN 107404729A
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China
Prior art keywords
base station
conversion
sector
information
network element
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CN201610333707.3A
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Chinese (zh)
Inventor
谭伟
陈曦
蒲迎春
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ZTE Corp
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ZTE Corp
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Priority to CN201610333707.3A priority Critical patent/CN107404729A/en
Priority to PCT/CN2017/081851 priority patent/WO2017198046A1/en
Publication of CN107404729A publication Critical patent/CN107404729A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • 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
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2609—Arrangements for range control, e.g. by using remote antennas
    • 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
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention discloses a kind of sector conversion method, base station, control network element and communication system, include applied to sector conversion method：Detect specify information；Wherein, the specify information is used to reflect sector conversion requirements；The specify information is sent to control network element；The control network element is received when the specify information meets the first preparatory condition, the conversion instruction of return；The conversion instruction is responded, the running parameter by adjusting adjustable antenna and Remote Radio Unit realizes that sector is changed.

Description

Sector conversion method, base station, network element and communication system
Technical field
The present invention relates to the networking technology of wireless communication field, more particularly to a kind of sector conversion method, base station, Control network element and communication system.
Background technology
In the channel radio of multiple-input and multiple-output (Multiply Input Multiply Out, the MIMO) technology of support In communication network, such as fourth generation mobile communication technology Long Term Evolution (Long Term Evolution, LTE) network In, generally it is to dispose single station sector of ranked antenna 3, such as common sector base stations of 2 antenna 3, with full first The basic terminal wireless demand for services of foot.And with the lifting of network capacity (number of terminals, handling capacity), lead to Normal dilatation means are that sector is split into more sectors, such as by increasing Remote Radio Unit (Radio Remote Unit, RRU) and antenna, it is changed to the sector base stations of 2 antenna 6.By taking LTE technologies as an example, Typical Urban After the sector of 2 antenna 3 is changed to the sector of 2 antenna 6, according to simulation and prediction, network capacity can be lifted 50% with On.
But generally all it is to need staff to change base in sector conversion in the prior art or escalation process The antenna stood, upgrade the RRU of base station manually.Such sector conversion, conversion operation is cumbersome, conversion is time-consuming It is long, communication service can not be all provided in conversion time, be located at the base station range before may result in Interior terminal can not access network；And conversion cost is high.
The content of the invention
In view of this, the embodiment of the present invention it is expected to provide a kind of sector conversion method, base station and control network element, At least partly solve the above problems.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
First aspect of the embodiment of the present invention provides a kind of sector conversion method, including：
Detect specify information；Wherein, the specify information is used to reflect sector conversion requirements；
The specify information is sent to control network element；
The control network element is received when the specify information meets the first preparatory condition, the conversion instruction of return；
The conversion instruction is responded, fan is realized by the running parameter for adjusting adjustable antenna and Remote Radio Unit Change in area.
Based on such scheme, the detection specify information, including：
Terminal ratio, network design information, load condition information and detection of the detection with default terminal capability At least one of adjacent area interference information；
Wherein, the terminal ratio is determined according to the ability parameter of terminal statistics；The network design letter Cease the network design situation for reflecting this base station position；The load condition information is described for reflecting The load condition of this base station；The adjacent area interference information is used for the interference strength for reflecting adjacent cell.
It is described to receive the control network element in the specify information the first preparatory condition of satisfaction based on such scheme When, the conversion instruction of return, including：
The control network element is received when the terminal ratio is more than proportion threshold value, the conversion instruction of transmission.
It is described to receive the control network element in the specify information the first preparatory condition of satisfaction based on such scheme When, the conversion instruction of return, including：
Receive the covering parameter that the control network element demonstrates the need for adjusting this base station in the network design information When, the conversion instruction of transmission.
It is described to receive the control network element in the specify information the first preparatory condition of satisfaction based on such scheme When, the conversion instruction of return, including：
Receive the control network element and show that the network load of this base station is more than the in the load condition information During one predetermined threshold, the conversion instruction of transmission.
It is described to receive the control network element in the specify information the first preparatory condition of satisfaction based on such scheme When, the conversion instruction of return, including：
Receive the control network element and show that the interference strength of adjacent cell is more than predetermined do in the adjacent area interference information When disturbing thresholding, the conversion instruction of transmission.
Based on such scheme, the conversion instruction is responded described, by adjusting adjustable antenna and remote radio Before the running parameter of unit realizes sector conversion, methods described also includes：
The terminal that will reside in this base station cell is switched to adjacent cell；
The first update notification is sent to adjacent cell；Wherein, first update notification is used to notify that the neighbour is small The old sector that this described base station is formed is deleted in area.
Based on such scheme, the conversion instruction is responded described, by adjusting adjustable antenna and remote radio After the running parameter of unit realizes sector conversion, methods described also includes：
According to adjustable antenna and the running parameter of Remote Radio Unit, new cell is configured；
Based on the information of the new cell, the second update notification is formed；
The second update notification is sent to the adjacent cell, wherein, second update notification is described for notifying Adjacent cell adjusts neighboring BS relationship.
Based on such scheme, when receiving the control network element and meeting the first preparatory condition in the specify information, After the conversion instruction of return, methods described also includes：
Selection meets the conversion opportunity of the second preparatory condition；
The response conversion instruction, it is real by the running parameter for adjusting adjustable antenna and Remote Radio Unit Existing sector conversion, including：
In the conversion opportunity, the conversion instruction is performed to adjust the antenna and the Remote Radio Unit Running parameter.
Based on such scheme, the selection meets the conversion opportunity of the second preparatory condition, including：
The network load of this base station is selected to be less than period or the preset time period of the second predetermined threshold, as institute State conversion opportunity.
Based on such scheme, the response conversion instruction, by adjusting adjustable antenna and remote radio list The running parameter of member realizes that sector is changed, including：
The conversion instruction is performed, by adjusting the annexation in the adjustable antenna inside feeding network, Adjust the beam feature of the adjustable antenna.
Second aspect of the embodiment of the present invention provides a kind of sector conversion method, including：
The specify information that base station is sent is received, wherein, the specify information is used to reflect sector conversion requirements；
Judge whether the specify information meets the first preparatory condition；
When the specify information meets first preparatory condition, conversion instruction is sent to the base station；
Wherein, the conversion instruction is used for the work that adjustable antenna and Remote Radio Unit are performed for the base station Parameter, to realize that sector is changed.
The third aspect of the embodiment of the present invention provides a kind of base station, including：
Detection unit, for detecting specify information；Wherein, the specify information is used to reflect that sector conversion needs Ask；
First transmitting element, for the specify information to be sent into control network element；
First receiving unit, meet the first preparatory condition in the specify information for receiving the control network element When, the conversion instruction of return；
Response unit, for responding the conversion instruction, by adjusting adjustable antenna and Remote Radio Unit Running parameter realizes that sector is changed.
Based on such scheme, the detection unit, specifically for detecting the terminal ratio with default terminal capability At least one of example, network design information, load condition information and detection adjacent area interference information；
Wherein, the terminal ratio is determined according to the ability parameter of terminal statistics；The network design letter Cease the network design situation for reflecting this base station position；The load condition information is described for reflecting The load condition of this base station；The adjacent area interference information is used for the interference strength for reflecting adjacent cell.
Based on such scheme, first receiving unit, specifically for receiving the control network element at the end When end ratio is more than proportion threshold value, the conversion instruction of transmission.
Based on such scheme, first receiving unit, also particularly useful for the reception control network element described When network design information demonstrates the need for adjusting the covering parameter of this base station, the conversion instruction of transmission.
Based on such scheme, first receiving unit, also particularly useful for the reception control network element described When load condition information shows that the network load of this base station is more than the first predetermined threshold, the conversion of transmission refers to Order.
Based on such scheme, first receiving unit, also particularly useful for the reception control network element described When adjacent area interference information shows that the interference strength of adjacent cell is more than predetermined interference threshold, the conversion instruction of transmission.
Based on such scheme, the base station also includes：
Switch unit, for responding the conversion instruction described, by adjusting adjustable antenna and remote radio Before the running parameter of unit realizes sector conversion, the terminal that will reside in this base station cell is switched to adjacent small Area；
First transmitting element, it is additionally operable to send the first update notification to adjacent cell；Wherein, described first Update notification is used to notify the adjacent cell to delete the old cell that this described base station is formed.
Based on such scheme, the base station also includes：
Dispensing unit, for responding the conversion instruction described, by adjusting adjustable antenna and remote radio After the running parameter of unit realizes sector conversion, according to adjustable antenna and the running parameter of Remote Radio Unit, Configure new cell；
Unit is formed, for the information based on the new cell, forms the second update notification；
Second transmitting element, it is additionally operable to send the second update notification to the adjacent cell, wherein, it is described Second update notification is used to notify the adjacent cell adjustment neighboring BS relationship.
Based on such scheme, the base station also includes：
Selecting unit, for when receive it is described control network element the specify information meet the first preparatory condition when, After the conversion instruction of return, selection meets the conversion opportunity of the second preparatory condition；
The response unit, it is described to adjust specifically in the conversion opportunity, performing the conversion instruction The running parameter of antenna and the Remote Radio Unit.
Based on such scheme, the selecting unit, specifically for selecting the network load of this base station to be less than second The period of predetermined threshold, as the conversion opportunity.
Based on such scheme, the response unit, specifically for performing the conversion instruction, by adjusting The annexation inside feeding network in adjustable antenna is stated, adjusts the beam feature of the adjustable antenna.
Fourth aspect of the embodiment of the present invention provides a kind of control network element, including：
Second receiving unit, for receiving the specify information of base station transmission, wherein, the specify information user Reflect sector conversion requirements；
Judging unit, for judging whether the specify information meets the first preparatory condition；
Second transmitting element, for when the specify information meets first preparatory condition, to the base Stand and send conversion instruction；
Wherein, the conversion instruction is used for the work that adjustable antenna and Remote Radio Unit are performed for the base station Parameter, to realize that sector is changed.
The aspect of the embodiment of the present invention the 5th provides a kind of communication system, including：
Base station, for detecting specify information；Wherein, the specify information is used to reflect sector conversion requirements； The specify information is sent to control network element；Receive the control network element and meet first in the specify information During preparatory condition, the conversion instruction of return；The conversion instruction is responded, by adjusting adjustable antenna and radio frequency The running parameter of extension unit realizes that sector is changed；
Network element is controlled, for receiving the specify information of base station transmission, wherein, the specify information is used to reflect Sector conversion requirements；Judge whether the specify information meets the first preparatory condition；When the specify information expires During foot first preparatory condition, conversion instruction is sent to the base station；Wherein, the conversion instruction is used for The running parameter of adjustable antenna and Remote Radio Unit is performed for the base station, to realize that sector is changed.
The embodiment of the present invention provides sector conversion method, base station, control network element and communication system, passes through detection Specify information, specify information is sent to control network element, can based on control network element conversion instruction, automatically The running parameter of adjustable antenna and Remote Radio Unit is adjusted, realizes automatic sector conversion, the conversion of lifting sector Efficiency and realize converting automation.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the first sector switch method provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of adjustable antenna provided in an embodiment of the present invention；
Fig. 3 A are a kind of beam feature provided in an embodiment of the present invention；
Fig. 3 B are another beam feature provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of second of sector switch method provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of base station provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of control unit provided in an embodiment of the present invention；
Fig. 7 is the schematic flow sheet of the third sector switch method provided in an embodiment of the present invention；
Fig. 8 to Figure 12 is sector strucre schematic diagram provided in an embodiment of the present invention；
Figure 13 is a kind of structural representation of communication system provided in an embodiment of the present invention.
Embodiment
Technical scheme is done below in conjunction with Figure of description and specific embodiment and further explained in detail State.
Embodiment one：
As shown in figure 1, the present embodiment provides a kind of sector conversion method, including：
Step S110：Detect specify information；Wherein, the specify information is used to reflect sector conversion requirements；
Step S120：The specify information is sent to control network element；
Step S130：The control network element is received when the specify information meets the first preparatory condition, is returned Conversion instruction；
Step S140：The conversion instruction is responded, by the work for adjusting adjustable antenna and Remote Radio Unit Parameter realizes that sector is changed.
Sector conversion method described in the present embodiment can be applied to the sector conversion method in base station.Here fan Area can be described as sector again, be the base unit that communication service is provided in cellular communications networks.
The sector conversion may include：According to dilatation demand, sector upgrading etc. is carried out.For example, can basis The terminal ratio of high-order mimo ability in network capacity and network, carry out the sector of 2 antenna 3 and upgrade to 2 The sector of antenna 6, then upgrade to by the sector of 2 antenna 6 the upgrading evolution of the sector of 4 antenna 3.Here high-order MIMO abilities are using the ability for specifying MIMO technology more than exponent number.
Base station will detect specify information in the step S110, and specify information here can be used for controlling network element Change the sector for judging whether to need to carry out this base station.The control network element can be for tieing up in the present embodiment Protect the operational administrative center (Operation and Maintenance Center, OMC) of the network equipment or from group Management center server of knitmesh network (Self-Organized Network, SON) etc. can be carried out to base station Safeguard the managed network element of control.
The conversion instruction of control network element return will be received in step s 130.The conversion instruction, which comprises at least, to be used In the operational order for indicating whether to need execution to change, and the various conversion parameters changed.Described turn Changing instruction may include how to reconfigure adjustable antenna and RRU running parameter, and the conversion parameter may include The information such as the running parameter of adjustable antenna and RRU after conversion.It will of course be noted that the control net Member, by when judging that current base station needs to carry out the conversion of sector really according to the specify information, pass through Conversion instruction instruction base station carries out sector switch.The RRU is that base band optical signal is changed into radio frequency letter in distal end Number amplification is sent out.Generally, RRU can be divided into four functional modules：Ifd module, Transceiver Module, Power amplifier and filtration module.Data intermediate frequency module turns for the modulation /demodulation of optical transport, Digital up and down convert, A/D Change；Transceiver Module completes conversion of the intermediate-freuqncy signal to radiofrequency signal；Pass through power amplifier and filtration module again, Radiofrequency signal is launched by antenna opening.By changing the running parameter of the RRU, institute can be adjusted The running parameters such as RRU signal amplification factor are stated, so as to change the radiation model of the wireless signal of this base station transmission Enclose.
In the present embodiment in step S140, switching command will be responded, adjusts adjustable antenna and RRU work Make parameter, it becomes possible to realize the conversion of sector.The adjustable antenna is to pass through software adaptation in the present embodiment Its running parameter, it becomes possible to be the antenna of new sector receiving and transmitting signal.Specifically such as, can be by adjusting work Make parameter, adjust the number of antennas of receiving and transmitting signal, the angle of pitch for adjusting antenna, azimuth, total transmission power And the information such as transmission power of individual channel.The adjustable antenna in the present embodiment can be adjustable splitting day Line.The adjustment of adjustable antenna and RRU running parameter is completed, is equivalent to repartition base station covering Sector, it is achieved thereby that the adjustment of sector.
In a word, a kind of sector conversion method is present embodiments provided, can be without where staff to base station Antenna is changed on ground, in the case of the running parameter for adjusting antenna and RRU, it becomes possible to by with controlling network element Information exchange, the automatic conversion of sector is realized, there is high conversion efficiency and the multiple advantages such as conversion cost is low.
The specify information may include where the ability parameter of terminal, the load condition information of base station and base station The network design information of position one or more.Specifically such as, the step S110 may include：Inspection Terminal ratio, network design information, load condition information and the detection adjacent area that measuring tool has default terminal capability are done Disturb at least one of information；Wherein, the terminal ratio is to be counted to determine according to the ability parameter of terminal 's；The network design information is used for the network design situation for reflecting this base station position；The load shape Condition information is used for the load condition for reflecting this base station；The adjacent area interference information is used to reflect adjacent cell Interference strength.This base station described in the present embodiment can be the execution base station of the present embodiment sector conversion method；Or Need the base station of progress sector conversion.
The control network element can judge whether that first class services are preset according to one or more of above- mentioned information Condition；If generally meet the first preparatory condition, then it is assumed that there is sector switch demand this base station, if not meeting One preparatory condition, then it is assumed that this base station does not have sector switch demand.Concrete implementation mode have it is a variety of, below Several optional modes are provided：
Optional mode one：
The step S110 may include：The ability parameter of detection terminal；According to the ability parameter, statistics is worked as There is the terminal ratio of default terminal capability in preceding sector；The step S120 may include：By the terminal ratio Example is sent to the control network element；The step S130 may include：The control network element is received in the terminal When ratio is more than proportion threshold value, the conversion instruction of transmission.For example, if the sector that this base station is currently formed is low The MIMO sectors of rank, and the ability parameter sent by receiving terminal, determine often to reside in this base station The ratio of the terminal of support high-order mimo ability in the sector of formation is very high, in order to provide more preferable communication Service, it is determined that there is the demand for the MIMO sectors for being upgraded to higher order this base station.Then the base station will receive To conversion instruction.The instruction that instruction base station performs conversion is received in the present embodiment, to support preset kind The ratio of sector reaches what proportion threshold value was sent afterwards, it is clear that so that the sector conversion of base station meets actual need Ask, rather than blindly change.
Optional mode two：
The step S110 may include：Detect network design information；The step S120 may include：By institute State network design information and be sent to the control network element；The step S130 may include：Receive the control net Member is when the network design information demonstrates the need for adjusting the covering parameter of this base station, the conversion instruction of transmission.
Network design information can be sent to control network element in the present embodiment.Here network design information is Network design information near this base station, for example, the network design information in this base station distance to a declared goal, Or the deployment information of the adjacent base station adjacent with this base station.Here network design information may include that base station increases newly Information, base station delete the coverage change information of information or adjacent base station, the signal power of adjacent base station Information etc..Network design can determine whether wireless environment is suitable, can determine the communication environment of this base station.For example, Newly-increased adjacent base station is detected, if this base station does not adjust coverage, it is possible to can cause to go out in overlapping region Now interfere, cause communication quality poor；Then now, it may be necessary to adjust the coverage of this base station. Parameter is covered described in the present embodiment may include coverage, wireless signal transmission power and the covering of this base station In the range of each position the information such as the frequency of wireless signal.
So, this base station is achieved that when needing to adjust covering parameter, adaptive adjustment covering parameter, To realize the conversion of sector.
Optional mode three：
The step S110 may include：Detect the load condition information of this base station；The step S120 can be wrapped Include：The load condition information is sent to the control network element；The step S130 may include：Receive institute State control network element and show that the network load of this base station is more than the first predetermined threshold in the load condition information When, the conversion instruction of transmission.
If load condition information of this base station in the first predetermined time interval in the present embodiment, if this base station Often in higher load proportion, the problems such as communication quality is poor and communication bandwidth is small is so may result in, There is the demand of dilatation this obvious base station.At this point it is possible to dilatation is realized by the conversion of sector.Therefore in this reality Apply and the load condition information is can detect in example, by load condition information transfer to control network element.
Optional mode four：
The step S110 may include：Detect adjacent area interference information；The step S120 may include：By institute State adjacent area interference information and be sent to the control network element；The step S130 may include：Receive the control net When the adjacent area interference information shows that the interference strength of adjacent cell is more than predetermined interference threshold, transmission turns member Change instruction.
If the coverage of base station is excessive, i.e., sector coverage is excessive, it is possible to can cause between adjacent area Enhancing is interfered, also includes detection adjacent area interference information in the present embodiment, for example, the interference of detection adjacent area Intensity, adjacent area here can be regarded as adjacent cell.Cell is corresponding with sector in the embodiment of the present invention. Adjacent area interference information is sent to control network element, after control network element receives corresponding information, will be judged Whether there is stronger adjacent area interference, for example, by being compared with the predetermined interference threshold, determine whether There is stronger adjacent area interference.If there is stronger adjacent area interference, sector conversion requirements are there is, it is necessary to carry out Sector is changed, therefore the base station will receive corresponding conversion instruction, is changed reduction adjacent area by sector and is done Disturb.
Foregoing provide four kinds of specify informations and corresponding first preparatory condition, above-mentioned three kinds of optional modes can be with Any combination uses.
Further, the conversion instruction is responded described, by adjusting adjustable antenna and Remote Radio Unit Running parameter realize sector conversion before, methods described also includes：
The terminal that will reside in this base station cell is switched to adjacent cell；
The first update notification is sent to adjacent cell；Wherein, first update notification is used to notify that the neighbour is small The old cell that this described base station is formed is deleted in area.
When carrying out sector conversion, in order to keep residing in the communication of the terminal in the old cell of this base station formation Continuation, need these terminals being switched to adjacent cell before being changed.Due to carrying out sector conversion, It is correct in order to ensure the neighboring BS relationship of adjacent cell equivalent to old cell can be deleted, deleting in the present embodiment Before old cell, the first update notification can be also formed, the adjacent cell for informing this base station is carried out adjacent area by the notice Relation updates.
Further, the conversion instruction is responded described, by adjusting adjustable antenna and Remote Radio Unit Running parameter realize sector conversion after, methods described also includes：
According to adjustable antenna and the running parameter of Remote Radio Unit, new cell is configured；
Based on the information of the new cell, the second update notification is formed；
The second update notification is sent to the adjacent cell, wherein, second update notification is described for notifying Adjacent cell adjusts neighboring BS relationship.
After the running parameter adjustment of adjustable antenna and RRU is completed, this base station will automatically configure new cell, After new cell configuration, in order to ensure the neighboring BS relationship of the adjacent cell of this base station is correct, it can be sent to adjacent cell Second update notification, facilitate adjacent cell that the new cell newly configured is added in adjacent cell list.The adjacent area Relation is at least used to reflect which has with an adjacent cell of cell.
Further, it is logical for terminal communication disruption caused by reducing sector switch as far as possible and adjacent sector Congestion is believed, in the present embodiment when the reception control network element meets the first preparatory condition in the specify information When, after the conversion instruction of return, methods described also includes：When selection meets the conversion of the second preparatory condition Machine；The step S140 may include：In the conversion opportunity, the conversion instruction is performed to adjust the day The running parameter of line and the Remote Radio Unit.It is described in the present embodiment to meet turning for the second preparatory condition Opportunity of the negative effect in predeterminable level when the opportunity of changing can be conversion.Obviously sector is carried out in the present embodiment During conversion, it is not random, can so avoids the conversion due to base station section, caused great amount of terminals is led to The problem of letter interrupts.Specifically such as, the selection meets the conversion opportunity of the second preparatory condition, including：Choosing The network load for selecting this base station is less than the period of the second predetermined threshold, as the conversion opportunity.According to this The network load of base station determines that network load is less than the period of second predetermined threshold in the present embodiment, So need the number of terminals for being switched to adjacent sector few, the situation of caused terminal communication disruption is few, and can keep away Exempt from the undue congestion of adjacent sector.
Certainly during concrete implementation, selection meets the conversion opportunity of second preparatory condition, may be used also Including：Selection adjacent base station is changed without sector, and/or, the network load of adjacent base station is pre- less than the 3rd The period of thresholding is determined, to reduce the adverse effect in the transfer process of sector as far as possible.For example, this base station It can know whether adjacent base station needs to carry out sector conversion by the information exchange between adjacent base station, It is predetermined when to carry out sector conversion, the current network load situation of adjacent base station etc..This base station can by with Information reconciliation between adjacent base station, determine the conversion opportunity for meeting second preparatory condition.
It is worth noting that：Sector in the present embodiment has corresponding relation with cell, for example, the face of sector Product is reduced, and the area of respective cell may be caused to reduce.
The step S140 may include：
The conversion instruction is performed, by adjusting the annexation in the adjustable antenna inside feeding network, Adjust the beam feature of the adjustable antenna.
For example, adjustable antenna described in the present embodiment can be distal end can electricity regulation and control system n ports cleave antenna. As shown in Fig. 2 the adjustable antenna may include m antenna oscillator.Antenna oscillator passes through feeding network and day Line end mouth connects.Wherein, the m is more than the n.The value of the n is usually even number, for example, 2, 4th, 6 or 8 etc..The feeding network may include multiple power splitters and phase converter.Also show in fig. 2 AISG interface control lines.The AISG is antenna interface standards group abbreviation, corresponding Chinese be antennal interface standard group.
Example one, it can be realized in the present embodiment by adjusting the annexation before power splitter and phase converter The adjustment of annexation inside feeding network.
Example two, feeding network may include two connection sub-networks, can by connecting the switching of sub-network, The change for the feeding network being connected with antenna oscillator is realized, so as to realize the adjustment of the beam feature of antenna.
Example three：Feeding network may include two connection sub-networks, and the two feed sub-networks are further through work(point Device is connected with phase converter, and sub-network is connected by sharing or not sharing this fiendish work(point with the two by changing Device and phase converter, the adjustment of the annexation inside feeding network is realized, so as to adjust the beam feature of antenna.
Usual beam feature determines the various parameters such as the overlay area of antenna, coverage, so as to Conversion in sector.
For example, intelligent feeding network is connected by the AISG interfaces of standard with external control devices, in it There are two kinds of feeding network combinations of A and B in portion, and antenna horizontal directivity pattern is under A feeding network modes 33 ° of dualbeam, antenna horizontal directivity pattern is 65 ° of simple beam under B feeding network modes.Base station leads to Crossing distal end electricity adjusts the change of order control A and B feeding classifications to realize the division and synthesis of antenna unwrapping wire figure, from And complete sector conversion.Fig. 3 A are the directional diagram of dualbeam；Fig. 3 B are the directional diagram of simple beam.
Embodiment two：
As shown in figure 4, the present embodiment provides a kind of sector conversion method, including：
Step S210：The specify information that base station is sent is received, wherein, the specify information is used to reflect sector Conversion requirements；
Step S220：Judge whether the specify information meets the first preparatory condition；
Step S230：When the specify information meets first preparatory condition, send and turn to the base station Change instruction；
Wherein, the conversion instruction is used for the work that adjustable antenna and Remote Radio Unit are performed for the base station Parameter, to realize that sector is changed.
Sector conversion method described in the present embodiment can be the method applied to control network element in embodiment one, here Control network element can be the structure such as OMC or SON central servers.
The specify information of base station transmission will be received in step S210, execution information here can be aforementioned terminals The middle one or more of ratio, network design information and load condition information.In step S220, it will determine that Whether first preparatory condition is met.For example, judging whether the terminal ratio is more than proportion threshold value；Sentence Whether the network design information of breaking demonstrates the need for adjusting the covering parameter of this base station.For example, it may be judged whether have Newly-increased adjacent base station, determines whether that adjacent base station changes coverage etc..For another example judge base station Whether network load is higher than the first predetermined threshold.Conversion instruction described in the present embodiment may include simple conversion Instruction, can also include conversion parameter.These conversion parameters may include the work after antenna and RRU regulation Parameter etc..Specifically, the control network element can designate the information as indexing with described, inquire about what is be pre-configured with Predetermined information, select corresponding conversion parameter.In concrete implementation, the control network element can be with defeated Go out the specify information, the conversion parameter returned based on the specify information, base are received from Man Machine Interface In the conversion parameter of reception, the conversion instruction is formed.
When determining specify information the first preparatory condition of satisfaction in step S230, sent to base station and carry out sector The conversion instruction of conversion, to assist the automatic conversion of base station complete sector.
A kind of sector conversion method operated in control network element is present embodiments provided, it is fast with conversion speed, The characteristics of conversion cost is low.
Embodiment three：
As shown in figure 5, the present embodiment provides a kind of base station, including：
Detection unit 110, for detecting specify information；Wherein, the specify information is used to reflect that sector turns Change demand；
First transmitting element 120, for the specify information to be sent into control network element；
First receiving unit 130, meet that first is default in the specify information for receiving the control network element During condition, the conversion instruction of return；
Response unit 140, for responding the conversion instruction, by adjusting adjustable antenna and remote radio list The running parameter of member realizes that sector is changed.
The present embodiment, which provides a kind of base station, can be automatically performed sector conversion.The detection is single in the present embodiment Member 110 and response unit 140 may correspond to can be by the processor in base station；Certainly it can also correspond to base Logic circuit in standing；During specific embodiment, processor can be central processing unit (CPU), Microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..
The communication that first transmitting element 120 and first receiving unit 130 can all correspond in base station Interface, information exchange can be carried out.The present embodiment can be to realize the sector switch method described in embodiment one Provide and realize hardware, there is the intelligent high, efficiency high of sector switch and small spy is negatively affected to communication Point.
The species of the specify information has a variety of, and different types of specify information is, it is necessary to which what is met is first default Condition may be different.Specifically such as, the detection unit 110, can be specifically used for detection has default terminal The terminal ratio of ability, network design information, load condition information and detection adjacent area interference information at least its One of；
Wherein, the terminal ratio is determined according to the ability parameter of terminal statistics；The network design letter Cease the network design situation for reflecting this base station position；The load condition information is described for reflecting The load condition of this base station；The adjacent area interference information is used for the interference strength for reflecting adjacent cell.It is presented below Corresponding to the architecture of base station of different specify informations.
Structure one：
The detection unit 110, specifically for the ability parameter of detection terminal；According to the ability parameter, Counting has the terminal ratio of default terminal capability in current sector；
First transmitting element 120, specifically for the terminal ratio is sent into the control network element；
First receiving unit 130, it is more than specifically for receiving the control network element in the terminal ratio During proportion threshold value, the conversion instruction of transmission.
Structure two：
The detection unit 110, also particularly useful for detection network design information；
First transmitting element 120, the control is sent to also particularly useful for by the network design information Network element；
First receiving unit 130, believe also particularly useful for the control network element is received in the network design When breath demonstrates the need for adjusting the covering parameter of this base station, the conversion instruction of transmission.
Structure three：
The detection unit 110, also particularly useful for the load condition information for detecting this base station；
First transmitting element 120, the control is sent to also particularly useful for by the load condition information Network element；
First receiving unit 130, believe also particularly useful for the control network element is received in the load condition When breath shows that the network load of this base station is more than the first predetermined threshold, the conversion instruction of transmission.
Structure four：
The detection unit 110, also particularly useful for detection adjacent area interference information；
First transmitting element 120, the control is sent to also particularly useful for by the adjacent area interference information Network element；
First receiving unit 130, believe also particularly useful for receiving the control network element and being disturbed in the adjacent area When breath shows that the interference strength of adjacent cell is more than predetermined interference threshold, the conversion instruction of transmission.
Above-mentioned four kinds of structures it is any a variety of, can be applied in combination in the case where not conflicting.
Further, the base station also includes：
Switch unit, for responding the conversion instruction described, by adjusting adjustable antenna and remote radio Before the running parameter of unit realizes sector conversion, the terminal that will reside in this base station cell is switched to adjacent small Area；First transmitting element 120, it is additionally operable to send the first update notification to adjacent cell；Wherein, it is described First update notification is used to notify the adjacent cell to delete the old cell that this described base station is formed.The switching The concrete structure of unit may correspond to the information processing architectures such as processor or logic circuit, also correspond to simultaneously Communication interface, the communication interface can be used for the information switched with adjacent base station or terminal interaction terminal.
Further, the base station also includes：Dispensing unit, for responding the conversion instruction described, After running parameter by adjusting adjustable antenna and Remote Radio Unit realizes sector conversion, according to adjustable day The running parameter of line and Remote Radio Unit, configure new cell；Unit is formed, for based on the new cell Information, formed the second update notification；First transmitting element 120, it is additionally operable to send out to the adjacent cell The second update notification is sent, wherein, second update notification is used to notify the adjacent cell adjustment neighboring BS relationship. Dispensing unit described in the present embodiment and the structure for forming unit, it may correspond to foregoing processor or processing electricity Road.Pass through switch unit, dispensing unit and the introducing for forming unit, it is possible to achieve when sector is changed, terminal Switching and adjacent cell neighboring BS relationship renewal.
Further, the base station also includes：Selecting unit, for when the reception control network element is described When specify information meets the first preparatory condition, after the conversion instruction of return, selection meets the second preparatory condition Conversion opportunity；The response unit 140, specifically for referring in the conversion opportunity, the execution conversion Make to adjust the running parameter of the antenna and the Remote Radio Unit.Choosing is also additionally arranged in the present embodiment Unit is selected, hardware configuration corresponding to selecting unit, can be processor or dedicated logic circuit etc..Pass through selection The introducing of unit, it is used cooperatively with response unit 140, can avoids performing at random and bear caused by sector switch Face rings the problem of big.For example, the selecting unit, specifically for selecting the network load of this base station to be less than The period of second predetermined threshold, as the conversion opportunity.Select to make when the network load of this base station is smaller For the conversion opportunity, the switching of terminal and the adverse effect to adjacent sector can be reduced as far as possible.
Further, the response unit 140, specifically for performing the conversion instruction, by adjusting The annexation inside feeding network in adjustable antenna is stated, adjusts the beam feature of the adjustable antenna.At this Response unit 140 described in embodiment, by adjusting the annexation in adjustable antenna inside feeding network, The beam feature of adjustable antenna is adjusted, so as to realize the switching of sector.Beam feature is different, the possible area of coverage Domain is different, it is possible to which sector is changed for easy realizing.
Example IV：
As shown in fig. 6, the present embodiment provides a kind of control network element, including：
Second receiving unit 210, for receiving the specify information of base station transmission, wherein, the specify information For reflecting sector conversion requirements；
Judging unit 220, for judging whether the specify information meets the first preparatory condition；
Second transmitting element 230, for when the specify information meets first preparatory condition, to institute State base station and send conversion instruction；
Wherein, the conversion instruction is used for the work that adjustable antenna and Remote Radio Unit are performed for the base station Parameter, to realize that sector is changed.
Control network element described in the present embodiment, can be that can realize sector switch method described in embodiment two The network equipment, for example, can be SON central servers or OMC etc..
Second receiving unit 210 and second transmitting element 230 may correspond to carry out with base station The communication interface of communication, the sector switch of simultaneously control base station by the information exchange with base station, can be assisted, Improve the sector switch efficiency of base station and intelligent.The judging unit 220 may correspond to the control network element In processor or process circuit；The type of the processor may refer in previous embodiment, the processing Circuit can be application specific integrated circuit.In a word, judging unit 220 described in the present embodiment can be used for carrying out terminal Whether ratio, which is more than proportion threshold value etc., judges whether respective base station has the judgement structure of sector switch demand.At this Invent in each embodiment, the processor can complete the function of corresponding function unit by performing predetermined instruction Realize have simple in construction and realize the characteristics of easy.
Embodiment five：
As shown in figure 13, the embodiment of the present invention also provides a kind of communication system, including：
Base station 310, for detecting specify information；Wherein, the specify information is used to reflect that sector conversion needs Ask；The specify information is sent to control network element；The control network element is received in the specify information to meet During the first preparatory condition, the conversion instruction of return；Respond the conversion instruction, by adjust adjustable antenna and The running parameter of Remote Radio Unit realizes that sector is changed；
Network element 320 is controlled, for receiving the specify information of base station transmission, wherein, the specify information is used for Reflect sector conversion requirements；Judge whether the specify information meets the first preparatory condition；When the specified letter When breath meets first preparatory condition, conversion instruction is sent to the base station；Wherein, the conversion instruction For performing the running parameter of adjustable antenna and Remote Radio Unit for the base station, to realize that sector is changed.
Being established between base station described in the present embodiment and the control network element has wireless or wired connection, Neng Gouxiang Mutual interactive information, pass through specify information and the interaction of conversion instruction, it is possible to achieve the sector of base station from turn Change, there is the characteristics of conversion effect is high.The base station may correspond in previous embodiment in the present embodiment Base station, the control network element can be the network elements such as foregoing SON central servers or OMC.
Several specific examples are provided below in conjunction with above-described embodiment：
Example one：
This example provides a kind of method for being transformed into high-order mimo amount sector from low order MIMO sectors, should Method includes：
Detect in cellular radio：The deployment of network and load condition, ability terminal ratio；
When the deployment of cellular radio, and load condition, and/or, ability terminal ratio, meet triggering During condition, NM server OMC or self-organizing network central server SON are on suitable opportunity according to dimension The input of shield personnel or the configuration of automatic modification relevant sectors, and notify base station to be changed；
Base station carries out sector division, and low order mimo antenna and Remote Radio Unit are automatically converted to high-order Mimo antenna and Remote Radio Unit.The MIMO fans of high-order are typically converted into from low order MIMO sectors Area, the sector of base station covering may be reduced.
Foregoing ability terminal can be high-order mimo terminal, but be not limited to high MIMO terminals.Herein Trigger condition equivalent to the first foregoing preparatory condition.
Further, the deployment of described network and load condition include but is not limited to：Base station number increase, Single base station station coverage change information, the cadre enrolled among workers of overlapping region disturb；Network load is higher than information such as certain thresholdings.
Described trigger condition includes but is not limited to：The ratio of the terminal of high-order mimo is supported to reach in network Some threshold value being pre-configured with；Reach what some was pre-configured with according to the coverage condition of crossing of covering index reflection Threshold value.
Described OMC or SON central servers, the cell configuration of progress include but is not limited to following steps：
OMC or SON sends switching command to base station；
Current connection terminal is cut out adjacent cell by base station；
Base station and adjacent cell carry out the config update notice of cell deletion；
Cell is deleted in base station occlusion；
Base station sends control command, and (electricity for including but is not limited to adjustable antenna adjusts order and/or remote radio list First control command) realize that from low order MIMO Remote Radio Unit and splitting tested rotating platform be high-order mimo Remote Radio Unit and antenna, implement new wireless parameter, base station re-establish with activation cell, base station and Adjacent cell carries out the config update notice of new cell foundation, adjacent cell carries out possible Radio Parameter Adjustment etc..
The config update notice of the new cell may include but be not limited to following parameter：
Cell/the cell ID (Identification, ID) reconfigured, the cell being changed to after high-order list cell Transmitting and reception antenna number, it is changed to the antenna elevation angle after high-order list cell and azimuth, is changed to high-order Total transmission power and each channel emission power and the configuration of new adjacent cell after single cell etc..
Switching time refers to be carried out after the telephone traffic small period, the terminal first moved out on this base station.
Example two：
Shown in Fig. 7, this example be supplied to it is a kind of counted according to network load and terminal capability, realize from Method of original low order MIMO sectors to high-order mimo sector, it may include：
Step 1：Terminal reports high-order mimo ability to base station；
Step 2：Base station reports high-order mimo capable terminal ratio to OMC or SON；
Step 3：After OMC or SON judges that high-order mimo capable terminal ratio exceedes than threshold value, Adjustment order is sent to base station；Here adjustment order is the part of foregoing switching command.
Step 4：Residue connection terminal is cut out adjacent cell by base station；
Step 5：Base station carries out config update and simultaneously sends update notification, to notify adjacent cell and this base station Cell is deleted；
Step 6：Old cell is deleted in base station occlusion；
Step 7：Base station sends control command to antenna and radio frequency unit, realizes and is penetrated from the MIMO of low order Frequency unit and MIMO radio frequency units and antenna that splitting tested rotating platform is high-order；
Step 8：Wireless parameter according to new high-order mimo cell carries out cell re-configuration and puts, re-establishes And reactivation；
Step 9：Base station and adjacent cell carry out config update notice, the new cell of this base station of notice adjacent cell Establish；；
Step 10：Adjacent cell carries out possible Radio Parameter Adjustment etc..
Fig. 8 depicts the sector 2T2R of level six network topology structure, and each 6 side shape represents in figure The coverage of one base station.6 short-terms in 6 side shapes, every orientation for representing each fan antenna Angle.The MIMO configurations of each sector are 2T2R.7 base stations, station spacing 500 are depicted in Fig. 8 Rice, real network is stretched away with this networking structure.Wherein, the T in 2T2R represents to send day Line, R represent reception antenna.
Fig. 9 depicts three sector 4T4R network topology structure, and each small 6 side shape represents one in figure The coverage of individual sector, the short-term in sector represent the azimuth of each fan antenna.Each sector MIMO configurations are 4T4R.7 base stations are depicted in Fig. 9, station spacing is 500 meters, real network It is to be stretched away with this networking structure.
Figure 10 depicts vertical six sectors 2T2R network topology structure, each 6 side shape table in figure Show the coverage of a base station, the side shape of solid line 6 is cylindrical sector in Figure 10, and the side shape of dotted line 6 is interior Circle sector.The MIMO configurations of each sector are 2T2R.7 base stations are depicted in Figure 10, between standing Away from for 500 meters, real network is stretched away with this networking structure.
Figure 11 depicts 12 sector 2T2R network topology structure, each 12 side shape in Figure 11 The coverage of a base station is represented, there are 12 short-terms in 12 side shapes, every represents each fan antenna Azimuth.The MIMO configurations of each sector are 2T2R.7 base stations are depicted in Figure 11, are stood Spacing is 500 meters, and real network is stretched away with this networking structure.
Figure 12 depicts three sector 8T8R network topology structure, each small 6 side shape table in Figure 12 Show the coverage of a sector, the short-term in sector represents the azimuth of each fan antenna.Each fan The MIMO configurations in area are 8T8R.7 base stations are depicted in Figure 12, station spacing is 500 meters, real Internet is stretched away with this networking structure.
Example three：
This example is provided from the sector 2T2R of level six to three sector 4T4R conversion.
In a network, base station down configures 12 transmission channels, up to be configured with 12 receipts passages.Tool The apparatus-form of body is the sector 2T2R of level six network topology.Topological structure is as shown in Figure 10.Figure Every short-term represents the azimuth of a fan antenna in 10, and its base station is configured to 2T2R.With support 4R terminals (4R terminals are the terminal with 4 reception antennas) ratio constantly rises, and reaches certain ratio After example, three sector 4T4R network with launching process, can be changed into, topological structure is as shown in figure 11. So as to support higher power system capacity.Specific conversion step is as follows：
4R terminal capabilities in the statistics existing network of base station, and report OMC or SON servers；
When 4R capable terminals ratio exceedes certain thresholding in base station, OMC or SON servers are according to thing First configuration is realized based on manual command's or automatically sends adjustment and orders to corresponding base station, while will become Respective wireless parameter more behind 4T4R sectors is also sent to base station；
After base station receives adjustment order and wireless parameter, residual terminal is switched to the adjacent fan of covering first Area, it is then shut off sector；
After closing sector, order is adjusted in base station by distal end electricity, is 4T4R single sectors by splitting tested rotating platform Antenna；Meanwhile by simultaneously cabinet is configured to 2 2T2R antennas RRU corresponding to original one secondary splitting antenna One 4T4R radio frequency unit；
After antenna and radio frequency unit adjust, base station re-establishes and activation cell, and according to OMC Or the wireless parameter of SON servers configuration configures new cell；
After the completion of the base station reconfigures, the wireless parameter of surrounding adjacent cell may also do corresponding change.
Example four：
This example is provided from vertical six cells 2T2R to the sector conversion method for three cell 4T4R.
In a network, base station down configures 12 transmission channels, up to be configured with 12 receipts passages.Tool The apparatus-form of body is vertical six cells 2T2R network topology.Topological structure is as shown in figure 12.With Support 4R terminal ratios constantly to rise, after reaching certain proportion, three can be changed into launching process Cell 4T4R network, topological structure are as shown in Figure 8.So as to support higher power system capacity.Specifically Conversion step it is as follows：
4R terminal capabilities in the statistics existing network of base station, and report OMC or SON servers.
When 4R capable terminals ratio exceedes certain thresholding in base station, OMC or SON servers are according to thing First configuration, which is realized, manually or automatically sends adjustment order to corresponding base station, while will be changed to Respective wireless parameter after 4T4R cells is also sent to base station.
After base station receives adjustment order and wireless parameter, residual terminal is switched to first adjacent small with covering Area, it is then shut off cell.
After closing cell, order is adjusted in base station by distal end electricity, is the mono- cells of 4T4R by splitting tested rotating platform Antenna；Meanwhile 4 mouthfuls of antennas for setting original one secondary different angle are arranged to identical inclination angle.Antenna Simultaneously cabinet is configured to a 4T4R radio frequency unit to corresponding 2 2T2R antennas RRU；4 mouthfuls of antennas It is two dual polarized antennas in an antenna house.
After antenna and radio frequency unit adjust, base station re-establishes and activation cell, and according to OMC Or the wireless parameter of SON servers configuration configures new cell.
After the completion of the base station reconfigures, the wireless parameter of surrounding adjacent cell may also do corresponding change.
Example five：
This example provides a kind of sector conversion side that 12 sector 2T2R are changed into three sector 8T8R Method.
In a network, base station down configures 24 transmission channels, up to be configured with 24 receipts passages.Tool The apparatus-form of body is 12 sector 2T2R network topology.Topological structure is as shown in figure 13.In figure Every short-term represents the azimuth of a fan antenna, and its base station is configured to 2T2R.With support 4R Terminal ratio constantly rises, and after reaching certain proportion, can be changed into three sector 8T8R with launching process Network, topological structure is as shown in figure 14.So as to support higher power system capacity.Specific transition step It is rapid as follows：
4R terminal capabilities in the statistics existing network of base station, and report OMC or SON servers.
When 4R capable terminals ratio exceedes certain thresholding in base station, OMC or SON servers are according to thing First configuration, which is realized, manually or automatically sends adjustment order to corresponding base station, while will be changed to Respective wireless parameter behind 8T8R sectors is also sent to base station.
After base station receives adjustment order and wireless parameter, residual terminal is switched to first adjacent small with covering Area, it is then shut off cell.
After closing cell, order is adjusted in base station by distal end electricity, is that 8T8R is mono- by cell splitting tested rotating platform Antenna in cell；Meanwhile by 4 2T2R antennas RRU simultaneously match somebody with somebody by cabinet corresponding to original one secondary splitting antenna It is set to a 8T8R radio frequency unit.
After antenna and radio frequency unit adjust, base station re-establishes and activation cell, and according to OMC Or the wireless parameter of SON servers configuration configures new cell.
After the completion of the base station reconfigures, the wireless parameter of surrounding adjacent cell may also do corresponding change.
Example six：
In order to shrink covering to reduce interference, this example provides a kind of six sector 2T2R of triggering and is changed into three Sector 4T4R sector conversion method.
In a network, base station down configures 12 transmission channels, up to be configured with 12 receipts passages.Tool The apparatus-form of body is six sector 2T2R network topology.Antenna width (the horizontal half-power of six sectors Angle) it is narrower, antenna gain is larger, and the covering radius of sector is larger.Topological structure is as shown in Figure 10. Base station is configured to 2T2R.As networking is constantly carried out, website quantity is continuously increased, and station spacing is not It is disconnected to reduce, constantly increase is disturbed between neighbor stations.After adjacent sector interference reaches certain proportion, it can start Process, is changed into three sector 4T4R network, and topological structure is as shown in figure 11.Three fan antennas Width increase, antenna gain reduce, and covering is shunk from the interference that can be reduced between adjacent sector.Specific transformation Step is as follows：
Upstream noise lifting (IoT) in the statistics existing network of base station, and report OMC or SON servers.
When statistics IoT exceedes certain thresholding for a long time in base station, OMC or SON servers according to matching somebody with somebody in advance Put realization and manually or automatically send adjustment order to corresponding base station, while after three sectors will be changed to Respective wireless parameter be also sent to base station.
After base station receives adjustment order and wireless parameter, residual terminal is switched to first adjacent small with covering Area, it is then shut off cell.
After closing cell, order is adjusted in base station by distal end electricity, is three fan antennas by splitting tested rotating platform； Meanwhile by simultaneously cabinet is configured to a 4T4R to 2 2T2R antennas RRU corresponding to original one secondary splitting antenna Radio frequency unit.
After antenna and radio frequency unit adjust, base station re-establishes and activation cell, and according to OMC Or the wireless parameter of SON servers configuration configures new cell, the electric slope angle of antenna is particularly adjusted, Control covering.
After the completion of the base station reconfigures, the wireless parameter of surrounding adjacent cell may also do corresponding change.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, It can realize by another way.Apparatus embodiments described above are only schematical, for example, The division of the unit, only a kind of division of logic function, can there is other division when actually realizing Mode, such as：Multiple units or component can combine, or be desirably integrated into another system, or some are special Sign can be ignored, or not perform.In addition, the mutual coupling of shown or discussed each part, Or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, equipment or unit Letter connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be it is physically separate, make It can be for the part that unit is shown or may not be physical location, you can with positioned at a place, It can also be distributed on multiple NEs；It can select according to the actual needs therein part or all of Unit realizes the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module In or each unit individually as a unit, can also two or more unit collection Into in a unit；Above-mentioned integrated unit can both be realized in the form of hardware, can also use Hardware adds the form of SFU software functional unit to realize.
One of ordinary skill in the art will appreciate that：Realize all or part of step of above method embodiment It can be completed by the related hardware of programmed instruction, it is computer-readable that foregoing program can be stored in one Take in storage medium, the program upon execution, execution the step of including above method embodiment；It is and foregoing Storage medium include：Movable storage device, read-only storage (ROM, Read-Only Memory), Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various Can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to In this, any one skilled in the art the invention discloses technical scope in, can be easily Expect change or replacement, should all be included within the scope of the present invention.Therefore, protection of the invention Scope should be based on the protection scope of the described claims.

Claims (25)

  1. A kind of 1. sector conversion method, it is characterised in that including：
    Detect specify information；Wherein, the specify information is used to reflect sector conversion requirements；
    The specify information is sent to control network element；
    The control network element is received when the specify information meets the first preparatory condition, the conversion instruction of return；
    The conversion instruction is responded, fan is realized by the running parameter for adjusting adjustable antenna and Remote Radio Unit Change in area.
  2. 2. according to the method for claim 1, it is characterised in that
    The detection specify information, including：
    Terminal ratio, network design information, load condition information and detection of the detection with default terminal capability At least one of adjacent area interference information；
    Wherein, the terminal ratio is determined according to the ability parameter of terminal statistics；The network design letter Cease the network design situation for reflecting this base station position；The load condition information is described for reflecting The load condition of this base station；The adjacent area interference information is used for the interference strength for reflecting adjacent cell.
  3. 3. according to the method for claim 2, it is characterised in that
    It is described to receive the control network element when the specify information meets the first preparatory condition, the conversion of return Instruction, including：
    The control network element is received when the terminal ratio is more than proportion threshold value, the conversion instruction of transmission.
  4. 4. according to the method for claim 2, it is characterised in that
    It is described to receive the control network element when the specify information meets the first preparatory condition, the conversion of return Instruction, including：
    Receive the covering parameter that the control network element demonstrates the need for adjusting this base station in the network design information When, the conversion instruction of transmission.
  5. 5. according to the method for claim 2, it is characterised in that
    It is described to receive the control network element when the specify information meets the first preparatory condition, the conversion of return Instruction, including：
    Receive the control network element and show that the network load of this base station is more than the in the load condition information During one predetermined threshold, the conversion instruction of transmission.
  6. 6. according to the method described in any one of claim 2, it is characterised in that
    It is described to receive the control network element when the specify information meets the first preparatory condition, the conversion of return Instruction, including：
    Receive the control network element and show that the interference strength of adjacent cell is more than predetermined do in the adjacent area interference information When disturbing thresholding, the conversion instruction of transmission.
  7. 7. according to the method described in any one of claim 1 to 6, it is characterised in that
    The conversion instruction is responded described, by the running parameter for adjusting adjustable antenna and Remote Radio Unit Before realizing sector conversion, methods described also includes：
    The terminal that will reside in this base station cell is switched to adjacent cell；
    The first update notification is sent to adjacent cell；Wherein, first update notification is used to notify that the neighbour is small The old sector that this described base station is formed is deleted in area.
  8. 8. according to the method for claim 7, it is characterised in that
    The conversion instruction is responded described, by the running parameter for adjusting adjustable antenna and Remote Radio Unit After realizing sector conversion, methods described also includes：
    According to adjustable antenna and the running parameter of Remote Radio Unit, new cell is configured；
    Based on the information of the new cell, the second update notification is formed；
    The second update notification is sent to the adjacent cell, wherein, second update notification is described for notifying Adjacent cell adjusts neighboring BS relationship.
  9. 9. according to the method described in any one of claim 1 to 6, it is characterised in that
    When receiving the control network element in the specify information the first preparatory condition of satisfaction, the conversion of return refers to After order, methods described also includes：
    Selection meets the conversion opportunity of the second preparatory condition；
    The response conversion instruction, it is real by the running parameter for adjusting adjustable antenna and Remote Radio Unit Existing sector conversion, including：
    In the conversion opportunity, the conversion instruction is performed to adjust the antenna and the Remote Radio Unit Running parameter.
  10. 10. according to the method for claim 9, it is characterised in that
    The selection meets the conversion opportunity of the second preparatory condition, including：
    The network load of this base station is selected to be less than period or the preset time period of the second predetermined threshold, as institute State conversion opportunity.
  11. 11. according to the method described in any one of claim 1 to 6, it is characterised in that
    The response conversion instruction, it is real by the running parameter for adjusting adjustable antenna and Remote Radio Unit Existing sector conversion, including：
    The conversion instruction is performed, by adjusting the annexation in the adjustable antenna inside feeding network, Adjust the beam feature of the adjustable antenna.
  12. A kind of 12. sector conversion method, it is characterised in that including：
    The specify information that base station is sent is received, wherein, the specify information is used to reflect sector conversion requirements；
    Judge whether the specify information meets the first preparatory condition；
    When the specify information meets first preparatory condition, conversion instruction is sent to the base station；
    Wherein, the conversion instruction is used for the work that adjustable antenna and Remote Radio Unit are performed for the base station Parameter, to realize that sector is changed.
  13. A kind of 13. base station, it is characterised in that including：
    Detection unit, for detecting specify information；Wherein, the specify information is used to reflect that sector conversion needs Ask；
    First transmitting element, for the specify information to be sent into control network element；
    First receiving unit, meet the first preparatory condition in the specify information for receiving the control network element When, the conversion instruction of return；
    Response unit, for responding the conversion instruction, by adjusting adjustable antenna and Remote Radio Unit Running parameter realizes that sector is changed.
  14. 14. base station according to claim 13, it is characterised in that
    The detection unit, specifically for detecting the terminal ratio with default terminal capability, network design is believed At least one of breath, load condition information and detection adjacent area interference information；
    Wherein, the terminal ratio is determined according to the ability parameter of terminal statistics；The network design letter Cease the network design situation for reflecting this base station position；The load condition information is described for reflecting The load condition of this base station；The adjacent area interference information is used for the interference strength for reflecting adjacent cell.
  15. 15. base station according to claim 14, it is characterised in that
    First receiving unit, it is more than ratio in the terminal ratio specifically for receiving the control network element During threshold value, the conversion instruction of transmission.
  16. 16. base station according to claim 14, it is characterised in that
    First receiving unit, also particularly useful for the reception control network element in the network design information table It is bright need to adjust this base station covering parameter when, the conversion instruction of transmission.
  17. 17. base station according to claim 14, it is characterised in that
    First receiving unit, also particularly useful for the reception control network element in the load condition information table When the network load of bright this base station is more than the first predetermined threshold, the conversion instruction of transmission.
  18. 18. base station according to claim 14, it is characterised in that
    First receiving unit, also particularly useful for the reception control network element in the adjacent area interference information table When the interference strength of bright adjacent cell is more than predetermined interference threshold, the conversion instruction of transmission.
  19. 19. according to the base station described in any one of claim 14 to 18, it is characterised in that
    The base station also includes：
    Switch unit, for responding the conversion instruction described, by adjusting adjustable antenna and remote radio Before the running parameter of unit realizes sector conversion, the terminal that will reside in this base station cell is switched to adjacent small Area；
    First transmitting element, it is additionally operable to send the first update notification to adjacent cell；Wherein, described first Update notification is used to notify the adjacent cell to delete the old cell that this described base station is formed.
  20. 20. base station according to claim 19, it is characterised in that
    The base station also includes：
    Dispensing unit, for responding the conversion instruction described, by adjusting adjustable antenna and remote radio After the running parameter of unit realizes sector conversion, according to adjustable antenna and the running parameter of Remote Radio Unit, Configure new cell；
    Unit is formed, for the information based on the new cell, forms the second update notification；
    Second transmitting element, it is additionally operable to send the second update notification to the adjacent cell, wherein, it is described Second update notification is used to notify the adjacent cell adjustment neighboring BS relationship.
  21. 21. according to the base station described in any one of claim 14 to 20, it is characterised in that
    The base station also includes：
    Selecting unit, for when receive it is described control network element the specify information meet the first preparatory condition when, After the conversion instruction of return, selection meets the conversion opportunity of the second preparatory condition；
    The response unit, it is described to adjust specifically in the conversion opportunity, performing the conversion instruction The running parameter of antenna and the Remote Radio Unit.
  22. 22. base station according to claim 21, it is characterised in that
    The selecting unit, the time of the second predetermined threshold is less than specifically for the network load for selecting this base station Section, as the conversion opportunity.
  23. 23. according to the base station described in any one of claim 14 to 18, it is characterised in that
    The response unit, specifically for performing the conversion instruction, presented by adjusting in the adjustable antenna Annexation inside electric network, adjust the beam feature of the adjustable antenna.
  24. 24. one kind control network element, it is characterised in that including：
    Second receiving unit, for receiving the specify information of base station transmission, wherein, the specify information user Reflect sector conversion requirements；
    Judging unit, for judging whether the specify information meets the first preparatory condition；
    Second transmitting element, for when the specify information meets first preparatory condition, to the base Stand and send conversion instruction；
    Wherein, the conversion instruction is used for the work that adjustable antenna and Remote Radio Unit are performed for the base station Parameter, to realize that sector is changed.
  25. A kind of 25. communication system, it is characterised in that including：
    Base station, for detecting specify information；Wherein, the specify information is used to reflect sector conversion requirements； The specify information is sent to control network element；Receive the control network element and meet first in the specify information During preparatory condition, the conversion instruction of return；The conversion instruction is responded, by adjusting adjustable antenna and radio frequency The running parameter of extension unit realizes that sector is changed；
    Network element is controlled, for receiving the specify information of base station transmission, wherein, the specify information is used to reflect Sector conversion requirements；Judge whether the specify information meets the first preparatory condition；When the specify information expires During foot first preparatory condition, conversion instruction is sent to the base station；Wherein, the conversion instruction is used for The running parameter of adjustable antenna and Remote Radio Unit is performed for the base station, to realize that sector is changed.
CN201610333707.3A 2016-05-18 2016-05-18 sector conversion method, base station, network element and communication system Pending CN107404729A (en)

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PCT/CN2017/081851 WO2017198046A1 (en) 2016-05-18 2017-04-25 Sector conversion method, base station, network element, communication system and storage medium

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022257650A1 (en) * 2021-06-11 2022-12-15 华为技术有限公司 Cell adjustment method, related apparatus, and related device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005071565A2 (en) * 2004-01-27 2005-08-04 International Business Machines Corporation Method, system, and program for storing data for retrieval and transfer
CN103188713A (en) * 2011-12-28 2013-07-03 华为技术有限公司 Method and base station for wireless communication network capacity management
CN103650560A (en) * 2013-07-22 2014-03-19 华为技术有限公司 Co-cell frequency planning method and equipment
CN104735684A (en) * 2015-03-24 2015-06-24 浙江大学 Multi-sector combined control method for three-dimensional covering of cellular mobile communication network common control signals
CN103648118B (en) * 2013-11-25 2017-04-12 华为技术服务有限公司 Method and device for antenna feeder combination

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130157710A1 (en) * 2011-12-16 2013-06-20 Telefonaktiebolaget LM Ericsson(pUb) Methods Providing Multipoint Communications Based on Sector Loads And Related Network Nodes
CN103297978B (en) * 2012-02-29 2016-09-21 鼎桥通信技术有限公司 A kind of cell configuring method and device
CN103067927B (en) * 2013-01-09 2015-08-19 上海大唐移动通信设备有限公司 A kind of optimization method of presence of intercell interference and device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005071565A2 (en) * 2004-01-27 2005-08-04 International Business Machines Corporation Method, system, and program for storing data for retrieval and transfer
CN103188713A (en) * 2011-12-28 2013-07-03 华为技术有限公司 Method and base station for wireless communication network capacity management
CN103650560A (en) * 2013-07-22 2014-03-19 华为技术有限公司 Co-cell frequency planning method and equipment
CN103648118B (en) * 2013-11-25 2017-04-12 华为技术服务有限公司 Method and device for antenna feeder combination
CN104735684A (en) * 2015-03-24 2015-06-24 浙江大学 Multi-sector combined control method for three-dimensional covering of cellular mobile communication network common control signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022257650A1 (en) * 2021-06-11 2022-12-15 华为技术有限公司 Cell adjustment method, related apparatus, and related device

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