CN103024885B - The adaptive power of microcell base station adjusts - Google Patents
The adaptive power of microcell base station adjusts Download PDFInfo
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- CN103024885B CN103024885B CN201110305298.3A CN201110305298A CN103024885B CN 103024885 B CN103024885 B CN 103024885B CN 201110305298 A CN201110305298 A CN 201110305298A CN 103024885 B CN103024885 B CN 103024885B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
- H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/46—TPC being performed in particular situations in multi hop networks, e.g. wireless relay networks
Abstract
Provide a kind of adaptive power method of adjustment for microcell base station, when the first microcell base station adjusts the power of self, first microcell base station is to the second adjacent microcell base station transmit power message, and the second microcell base station adjusts the power of himself according to the power messages received.By the present invention, microcell base station can dynamically adjust transmitting power according to surrounding, it is ensured that the covering seriality between microcell base station, and produces great achievement business unloading gain.
Description
Technical field
The present invention relates to wireless communication system, the adaptive power being specifically related to microcell base station adjusts.
Technical background
Along with the development of mobile communication technology, user's request increasingly presents variation.In order to meet the diversified demand of user, the inside coverage base station of coverage base station and enterprise-level in family room, and some other private network arises at the historic moment.Such as Home eNodeB, or claim femtocell, microcell base station, Microcell, femto (Femto cell), AP (AccessPoint, access point), become current most potential low cost access technology.
Microcell base station has three kinds of different access modules: closed mode, mixed model and open mode.Closed mode only allows contracted user to access Microcell；Mixed model allows all users to access Microcell, but is to discriminate between signing and non-contracted user, it is provided that different access grades and the grade of service；Open mode is similar to Hong Wang community, it is allowed to all users access.
Microcell base station is as femto base station, compared with traditional macro base station, has a characteristic that coverage is little；Carry number of users limited；Quantity is big；Dense deployment；Multiple-layer overlapped covers；The equipment managed by user, rather than the equipment that operator controls；And the frequency range of microcell base station is probably and disposes with macro network alien frequencies, it is also possible to dispose with frequency；Transmitting power is little；The Neighboring Cell List configuration of microcell base station is more difficult, and microcell base station can be automatically configured adjacent area by up detection and completed start shooting frequency and the selection of scrambler.The scene of microcell base station application is quite varied: family, enterprise, public place etc., the scene particularly arranged net continuously in enterprise and the public place multiple Microcell of this needs, its introducing enhances the in-door covering of these scenes, also assists in macrocell simultaneously and carries out business unloading.
When microcell base station and macro base station use same frequency to arrange net, cover due to macrocell network and Microcell covers and has overlapping phenomenon, thus cause problem of co-channel interference, including up-downgoing interference mutual between grand net and Microcell.Particularly, when not there is the UE (UserEquipment, subscriber equipment) (that is, non-contracted user) accessing microcell base station authority near Microcell, owing to microcell base station signal is relatively strong, this UE can be produced interference, even result in call drop.
The microcell base station of closed mode only allows contracted user to access, and when not having the user of authority near Microcell, due to by the co-channel interference of microcell base station and Microcell cannot be switched into, thus can cause the interruption of business.
As shown in Figure 1, UE1 is the MUE (MacroUE, grand UE) in UMTS (UniversalMobileTelecommunicationsSystem, UMTS), i.e. Serving cell is the UE of macrocell, does not has authority to access close microcell base station；UE2 is HUE (HomeUE, family UE), i.e. base station in service sector is the IE of microcell base station, and this UE2 accesses Microcell 1 at present.Microcell 1 and Microcell 2 are in the continuous covering scene of some families, enterprise or public place etc., can also be furnished with other Microcells around Microcell 1 and Microcell 2, meet and cover continuously.
When UE1 is near Microcell 1, owing to this UE1 by the co-channel interference of Microcell 1 and cannot access Microcell 1, at this moment UE1 can start grand radio network controller (RNC, RadioNetworkController) the interference coordination flow process and between microcell base station 1, makes RNC instruction microcell base station 1 reduce it and launches power to reduce the descending interference to UE1.Herein for the convenience of explanation, using identical label " 1 " or " 2 " to represent that Microcell and microcell base station, term Microcell and microcell base station can exchange use, represent same or analogous implication, this is clearly to those skilled in the art.
By interference coordination between macrocell and microcell base station, when a certain MUE is behind a certain Microcell, microcell base station can reduce transmitting power as required, this picocell coverage area corresponding will diminish, at this moment the continuous covering in small interval cannot be ensured, cause covering cavity, affect the performance of original HUE.
As shown in Figure 2, close due to UE1, microcell base station 1 needs to reduce power, but now the continuous covering of microcell base station 1 and microcell base station 2 can change originally, the coverage of microcell base station 1 will become the size shown in dotted line, produce the cavity of covering between microcell base station 1 and microcell base station 2.UE2 is positioned at this hole region, is originally in the coverage of microcell base station 1, but now will lose Microcell and cover.Now UE2 has to be switched to macrocell, and this can increase the business load of macrocell, and at home or accepts the principle of Microcell service in enterprise with contracted user as far as possible and run counter to；Meanwhile, if the signal in indoor macro community is more weak, lacks again Microcell and cover, then can cause the call drop of UE2, affect its performance.
As it has been described above, in the scene that Microcell covers continuously, when surrounding changes, it is possible to form the covering cavity in small interval, and then the unloading gain of macrocell business can be reduced and likely affects UE performance.
Summary of the invention
Many aspects of the present invention provide a kind of method that microcell base station for such as femto carries out adaptive power adjustment, microcell base station is made can dynamically to adjust transmitting power in time according to surrounding, ensure the covering seriality between microcell base station, and produce business unloading gain.
On the one hand, embodiments provide a kind of power adaptive method of adjustment, including: when the first microcell base station adjusts the power of self, first microcell base station is to the second adjacent microcell base station transmit power message, to indicate the second microcell base station to adjust the power of himself according to described power messages.
On the other hand, embodiments provide a kind of microcell base station, including: transmitting element, during for adjusting the power of self at this microcell base station, to adjacent microcell base station transmit power message, to indicate microcell base station that this is adjacent to adjust the power of himself according to described power messages.
On the other hand, embodiments provide a kind of microcell base station, including: processor, during for adjusting the power of self when this microcell base station, to adjacent microcell base station transmit power message, to indicate adjacent microcell base station to adjust the power of himself according to the power adjustment message in described power messages；And the memorizer being connected with described processor.
On the other hand, embodiments provide a kind of power adaptive method of adjustment, including: the second microcell base station receives power messages from the first adjacent microcell base station, and wherein said power messages is to be sent to the second microcell base station when the first microcell base station adjusts the power of himself；Second microcell base station adjusts the power of himself according to this power messages.
On the other hand, embodiments provide a kind of microcell base station, including: receiving unit, for receiving power messages from adjacent microcell base station, wherein said power messages is to be sent to this microcell base station when this adjacent microcell base station adjusts the power of himself；Adjustment unit, for adjusting the power of this microcell base station according to described power messages.
On the other hand, embodiments provide a kind of microcell base station, including: processor, it is used for: receiving power messages from the microcell base station adjacent with this microcell base station, wherein this power messages is to be sent to this microcell base station when adjacent microcell base station adjusts the power of himself；The power of this microcell base station self is adjusted according to this power messages；And the memorizer being connected with described processor.
On the other hand, embodiments provide a kind of power adaptive method of adjustment, including: microcell base station carries out descending detection；This microcell base station, when the signal weaker of adjacent microcell base station being detected, incrementally increases himself power；This microcell base station, when the signal adjacent microcell base station being detected becomes strong, progressively reduces himself power.
On the other hand, embodiments provide a kind of microcell base station, including: detector unit, it is used for carrying out descending detection；Adjustment unit, for when the signal weaker of adjacent microcell base station being detected, incrementally increases the power of this microcell base station, and when the signal this adjacent microcell base station being detected becomes strong, progressively reduces the power of this microcell base station.
On the other hand, embodiments provide a kind of microcell base station, including: processor, it is used for: make this microcell base station carry out descending detection；If be detected that the microcell base station signal weaker adjacent with this microcell base station, then incrementally increase this microcell base station its own transmission power；If be detected that the microcell base station signal adjacent with this microcell base station becomes strong, the most progressively reduce this microcell base station its own transmission power；And the memorizer being connected with described processor.
On the other hand, embodiments provide a kind of microcell base station, including: memorizer, it is used for storing instruction；Processor, is used for performing this instruction, so that this microcell base station is able to carry out the said method of the present invention.
On the other hand, embodiments provide a kind of machine readable media, wherein store instruction, when machine performs this instruction so that this machine is able to carry out the said method of the present invention.
On the other hand, embodiments providing a kind of computer program, this computer program is for performing the said method of the present invention.
By with reference to below in conjunction with the content in the explanation of accompanying drawing and claims, and along with being more completely understood by the embodiment of the present invention, other objects of the present invention and effect will become clearer from and should be readily appreciated that.
Accompanying drawing explanation
Hereinafter with reference to accompanying drawing, describe the present invention in detail by embodiment, wherein:
Fig. 1 is the schematic diagram that the interference scene between macrocell and Microcell is described.
Fig. 2 is that the schematic diagram of interference management result between macrocell and Microcell is described.
Fig. 3 is the schematic diagram that the microcell base station adaptive power carried out according to embodiments of the present invention adjusts.
Fig. 4 is the method flow diagram carrying out microcell base station adaptive power adjustment according to embodiments of the present invention.
Fig. 5 is the method flow diagram carrying out microcell base station adaptive power adjustment according to embodiments of the present invention.
Fig. 6 A, 6B, 7 and 8 are according to embodiments of the present invention for carrying out the block chart of the device of microcell base station adaptive power adjustment.
Fig. 9 is the schematic diagram of the microcell base station realized according to embodiments of the present invention.
In all of the figs, identical label represents similar or corresponding feature or function.
Detailed description of the invention
The adaptive power method of adjustment of the present invention is described in detail below.Simple in order to illustrate, as a example by two adjacent microcell base stations, hereinafter describe the present invention, but to those skilled in the art it should be clear that inventive principle described in embodiment can apply to the scene of the adjacent microcell base station of more than two.In the following description, term Microcell, microcell base station, micro-base station can exchange use, represent same or analogous implication, and this is clearly to those skilled in the art.
nullAlthough in an embodiment with UMTS (UniversalMobileTelecommunicationsSystem，UMTS) present invention is described as a example by microcell base station in network，But present disclosure applies equally to GSM (GlobalSystemforMobileCommunications，Global system for mobile communications)、GPRS(GeneralPacketRadioService，GPRS (general packet radio service))、CDMA2000(CodeDivisionMultipleAccess2000，CDMA 2000)、TD-SCDMA(TimeDivisionSynchronousCodeDivisionMultipleAccess，TD SDMA)、LTE(LongTermEvolution，Long Term Evolution)、WLAN(WirelessLocalAreaNetworks，WLAN)/WiFi (WirelessFidelity，Wireless Fidelity) and WiMAX (WorldwideInteroperabilityforMicrowaveAccess，Worldwide interoperability for microwave access) etc. wireless network，Especially these wireless systems are being furnished with the scene of Home eNodeB.It is furnished with macro base station and the scene of micro-base station equally at some simultaneously, the present invention is also suitable, micro-base station can consider according to the adjacent micro-base station power information received or the power information detected, the power initiated with reference to macro base station the most alternatively adjusts flow process and dynamically adjusts own power, meets scene of arranging net continuously.
Herein in connection with wireless terminal and/or base station controller, various aspect is described.
Wireless terminal may refer to provide a user with the equipment of voice and/or data connectivity, has the portable equipment of wireless connecting function or is connected to other processing equipments of radio modem.Wireless terminal can through wireless access network (such as, RAN, RadioAccessNetwork) communicate with one or more core net, wireless terminal can be mobile terminal, such as mobile phone (or be referred to as " honeycomb " phone) and the computer with mobile terminal, for example, it may be mobile device portable, pocket, hand-held, built-in computer or vehicle-mounted, they and wireless access network exchange language and/or data.Such as, PCS (PCS, PersonalCommunicationService) phone, wireless phone, Session initiation Protocol (SIP) phone, WLL (WLL, WirelessLocalLoop) stand, the equipment such as personal digital assistant (PDA, PersonalDigitalAssistant).Wireless terminal is referred to as system, subscri er unit (SubscriberUnit), subscriber station (SubscriberStation), movement station (MobileStation), mobile station (Mobile), distant station (RemoteStation), access point (AccessPoint), remote terminal (RemoteTerminal), access terminal (AccessTerminal), user terminal (UserTerminal), user agent (UserAgent), subscriber equipment (UserDevice), or subscriber's installation (UserEquipment).
Base station controller, can be the base station controller (BSC, basestationcontroller) in GSM or CDMA, it is also possible to be the radio network controller (RNC in WCDMA, RadioNetworkController), the present invention does not limit.
It addition, the terms " system " and " network " are the most often used interchangeably.The terms "and/or", a kind of incidence relation describing affiliated partner, can there are three kinds of relations, such as, A and/or B, can represent in expression: individualism A, there is A and B, individualism B these three situation simultaneously.It addition, character "/" herein, typically represent forward-backward correlation to as if the relation of a kind of "or".
As shown in Figure 3, according to embodiments of the invention, when the power of microcell base station 1 changes, after becoming the covering size shown in dotted line, microcell base station 2 needs to increase power and expands the coverage area, shown in dotted line, thus can overcome the disadvantages that to reduce the covering that power causes discontinuous due to microcell base station 1.UE2 is under the covering of microcell base station 2 simultaneously, can continue to accept the service of microcell base station.
Fig. 4 describes microcell base station adaptive power method of adjustment according to embodiments of the present invention.4010, when microcell base station 1 adjusts the transmitting power of himself, microcell base station 1 is initiated the adaptive power with adjacent microcell base station (such as microcell base station 2) and is adjusted flow process.Such as, when microcell base station 1 determines to adjust its power or after microcell base station 1 has adjusted its power, microcell base station 1 is initiated the adaptive power with adjacent microcell base station and is adjusted flow process.It can be to raise or lower that the power of microcell base station 1 adjusts.
According to an embodiment, when the Microcell that MUE1 as shown in Figure 3 controls near microcell base station 1, can find and measure this interference source microcell base station 1, and report this interference source microcell base station 1 to RNC or macro base station, RNC or macro base station can be to the transmission instructions of this microcell base station 1 afterwards, notify that it reduces and launch power, reduce the descending interference to this MUE1.Microcell base station 1 receives lowers its power after the power adjustment instruction of macro base station or RNC, thus alleviates the interference to MUE.
According to another embodiment, when MUE1 as shown in Figure 3 is near microcell base station 1 and when finding microcell base station 1 to oneself interference, such as, when the signal quality that MUE1 finds interference source microcell base station 1 reaches threshold value, or MUE1 has found that when existence interference cannot meet normal communication quality, MUE1 can send cell update message to microcell base station 1 or send measurement report to macro base station, and now macro base station can initiate the message such as handover request to microcell base station 1.When receiving the message such as cell update message or the handover request of MUE1 transmission when microcell base station 1, can find that this MUE1 is disturbed by microcell base station 1 and do not has authority to access microcell base station 1, then microcell base station 1 can reduce the transmitting power of oneself when finding and having interference to MUE, reduces the interference to this MUE.
According to another embodiment, microcell base station 1 can raise to recover power after lower adjusting power a period of time.
4020, microcell base station 1 is to adjacent microcell base station 2 transmit power message, such as power adjustment message transmission request message (AdjustmentInfoTransferRequest), to indicate microcell base station 2 to adjust the power of himself according to the power adjustment message in this power messages.This power messages can be reduce or the instruction of increased wattage in the way of adjusting own power to comprise microcell base station 1.This power messages can also comprise microcell base station 1 alternatively or alternatively and adjust the adjustment amount of power and/or the power that microcell base station 1 is current.This power messages can also comprise microcell base station 1 alternatively or alternatively and adjust the time of power, i.e. microcell base station 1 recovers power after power is adjusted this time.According to an embodiment, if this power messages does not carry power adjustment, then microcell base station 2 is it is believed that microcell base station 1 is to adjust power with a fixed adjustment amount, and correspondingly microcell base station 2 also adjusts the power of himself with a fixed adjustment amount.Such as, information pre-configured between each microcell base station before this fixed adjustment amount can be.Preferably comprising microcell base station 1 in this power messages and adjusting the mode of own power is to reduce or the instruction of increased wattage, but can not also comprise this instruction.Such as, when comprising the current power of microcell base station 1 in this power messages, microcell base station 2 can according to microcell base station 1, current and previous power determine that the power of microcell base station 1 adjusts is to raise or lower.The most such as, when only comprising adjustment amount and/or the time of adjustment that microcell base station 1 adjusts power in this power messages, by the power of descending measurement microcell base station 1, microcell base station 2 can determine that the power of microcell base station 1 adjusts after receiving this power messages is to raise or lower.This power messages can comprise at least one in above-mentioned parameter.
4030, microcell base station 2 is after receiving power messages from adjacent microcell base station 1, and microcell base station 2 adjusts the power of himself according to the power adjustment message in this power messages.
According to an embodiment, when the power adjustment message transmission request message received from adjacent microcell base station 1 comprising microcell base station 1 and reducing the instruction himself launching power, then microcell base station 2 increases the transmitting power of himself, to ensure the continuous covering of Microcell.When the power adjustment message transmission request message received from adjacent microcell base station 1 comprising microcell base station 1 and increasing the instruction himself launching power, then microcell base station 2 reduces the transmitting power of himself, to reduce power consumption and to reduce possible interference in the case of the covering continuously ensureing Microcell.
According to another embodiment, in addition to according to the adjacent microcell base station changed power information received, microcell base station can also consider to dynamically adjust own power with reference to the power adjustment message that macro base station is sent.Such as, when the power adjustment message transmission request message received from adjacent microcell base station 1 comprising microcell base station 1 and reducing the instruction himself launching power, microcell base station 2 do not receive fall power instruction that macro base station sends and/or do not find to MUE noisy in the case of, it is possible to increase it launches power.If microcell base station 2 receives fall power instruction that macro base station sends or finds that MUE is had interference, during even when comprise, from the power adjustment message transmission request message that adjacent microcell base station 1 receives, the instruction that microcell base station 1 reduces himself transmitting power, microcell base station 2 does not the most increase it and launches power, and the fall power instruction sent advantageously according to macro base station reduces power.
According to another embodiment, when comprising microcell base station 1 in the power adjustment message transmission request message received from adjacent microcell base station 1 and increasing the instruction himself launching power, microcell base station 2 reduces it and launches power.In this case, microcell base station 2 receive further fall power instruction that macro base station sends and/or find to MUE noisy in the case of, can be reduced it and launch power.
According to an embodiment, if not carrying power adjustment from the power messages that adjacent microcell base station 1 receives, then microcell base station 2 is it is believed that microcell base station 1 is to adjust with a fixed adjustment amount, and correspondingly microcell base station 2 also adjusts the power of himself with a fixed adjustment amount.Such as, the information configured between each microcell base station before this fixed adjustment amount can be.If carrying the power adjustment of microcell base station 1 from the power messages that adjacent microcell base station 1 receives, then microcell base station 2 can adjust the power of himself according to this power adjustment with a corresponding adjustment amount.Such as, the information that the power adjustment of this microcell base station 1 and the corresponding power adjustment of microcell base station 2 configure between each microcell base station before can being, for adjusting the transmitting power of adjacent microcell base station step by step, to ensure to cover continuously while reducing interference.If carrying, from the power messages that adjacent microcell base station 1 receives, the power that microcell base station 1 is current, microcell base station 2 can calculate adjustment amount in real time, such as microcell base station 2 is according to the power after microcell base station 1 power received before and microcell base station 1 adjustment, calculate the size that microcell base station 1 adjusts, determine the amount self adjusted, or calculate path loss according to base station, current micro cell 2 and the power of microcell base station 1 and their location parameters of being pre-configured with or distance parameter etc., thus obtain power adjustment, to ensure the continuous covering of microcell base station.If carrying microcell base station 1 from the power messages that adjacent microcell base station 1 receives to adjust the time of power, then microcell base station 2 can adjust himself power according to this time with corresponding time, such as, microcell base station 2 recovers its power after its power is adjusted certain time.
Although illustrating the present invention in the way of two microcell base stations, but the scene being practiced without limitation to two microcell base stations of the present invention.According to an embodiment, microcell base station 2 can consider how to adjust according to the informix that one or more adjacent microcell base station is sent the power of himself, such as, if microcell base station 2 receives the information that more than one adjacent microcell base station is sent simultaneously, then can judge according to most of principles, such as comprise the instruction of adjacent microcell base station power reduction when the majority (more than half) in the multiple power messages received, and minority comprises the instruction that adjacent microcell base station power increases, then microcell base station 2 may decide that the power increasing self.If it is indicated that the power messages quantity that the power messages of power reduction and indicated horsepower increase is equal, then microcell base station 2 may decide that holding own power is constant.The standard that can also use other considers how self-adaptative adjustment power.
Alternatively, 4040, microcell base station 2 replys microcell base station 1 response message, such as power adjustment message transmission response message, in the way of can adjusting power to comprise microcell base station 2 in this response message and/or adjust the size of power.
Above in conjunction with in the embodiment described by Fig. 4, microcell base station 1 is adjusted the information of own power and is actively sent to adjacent microcell base station 2, correspondingly adjust the power of himself with instruction microcell base station 2 according to the power adjustment of adjacent microcell base station, thus realize dynamic self-adapting power in time and adjust.
The present invention is not limited to above-mentioned embodiment.According to another embodiment, in 4020, microcell base station 1 comprises, in the power messages that adjacent microcell base station 2 sends, the instruction directly requiring that microcell base station 2 is decreased or increased power.This power messages can also comprise requirement microcell base station 2 alternatively or alternatively adjust the adjustment amount of power and/or require that microcell base station 2 adjusts the target power value of power and/or requires that microcell base station 2 adjusts the time of power.
In 4030, according to being received from the power messages of adjacent microcell base station 1 the increase power comprised or subtracting low power instruction, microcell base station 2 increases or reduces the power of himself.When comprising the adjustment amount adjusting power in this power messages, microcell base station 2 adjusts the power of self according to this adjustment amount.When comprising the target power value adjusting power in this power messages, microcell base station 2 adjusts the power of self according to this target power value.When comprising the time adjusting power in this power messages, microcell base station 2 adjusts own power according to this power messages, and recovers its power after the time of this instruction.
Fig. 5 shows the adaptive power method of adjustment according to another embodiment.According to this embodiment, when microcell base station UE for accessing can provide service, and when can carry out again descending detection, microcell base station can use this capability to realize adaptive power and adjust to ensure the continuous covering of microcell base station simultaneously.
In 5010, microcell base station (such as microcell base station 2) carries out descending detection while the UE for accessing provides service.
nullIn 5020，If microcell base station 2 detects adjacent microcell base station 1 signal weaker，Such as detect that the signal quality of adjacent microcell base station 1 declines and reach certain threshold value，Or detect that the amount that the signal power of adjacent microcell base station 1 declines exceedes threshold value and reaches certain time，Then microcell base station 2 incrementally increases its transmitting power，Its power can be increased a power adjustment by such as microcell base station 2 step by step，The information that this power adjustment configures between each microcell base station before can being，It can also be the value that calculates in real time according to various parameters of microcell base station 2，Such as microcell base station 2 is according to microcell base station 1 power of microcell base station 1 power detected before Yu current detection，Calculate the size that microcell base station 1 power adjusts，Determine the amount self adjusted，Or calculate path loss according to base station, current micro cell 2 and the power of microcell base station 1 and their location parameters of being pre-configured with or distance parameter etc.，Thus obtain power adjustment，To ensure the continuous covering of Microcell.By detecting the CPICH Common Pilot Channel signal of adjacent microcell base station, microcell base station can determine whether the power of adjacent microcell base station changes, such as, when the CPICH Common Pilot Channel signal that microcell base station 2 detects adjacent microcell base station 1 dies down within a certain period of time, microcell base station 2 determines the signal weaker of microcell base station 1；When the CPICH Common Pilot Channel signal that microcell base station 2 detects adjacent microcell base station 1 becomes strong within a certain period of time, microcell base station 2 determines that the signal of microcell base station 1 becomes strong.Wherein, this timing can be pre-configured with or consult.
In 5030, if microcell base station 2 detects that adjacent microcell base station 1 signal becomes strong, such as detect that the signal quality of adjacent microcell base station 1 rises and reach certain threshold value, or detect that the amount that the signal power of adjacent microcell base station 1 rises exceedes threshold value and reaches certain time, the most progressively reduce it and launch power, its power can be increased a power adjustment by such as microcell base station 2 step by step, similarly, the information that this power adjustment configures between each microcell base station before can being, it is also possible to be the value that calculates in real time according to various parameters of microcell base station 2.
Fig. 6 A shows and is capable of the device 6000A that the adaptive power of the present invention adjusts, and this device can be above-mentioned microcell base station, such as microcell base station 1, it is also possible to be the module realized in microcell base station.This microcell base station 6000A includes transmitting element 6010, for when this microcell base station adjusts self power, to adjacent microcell base station transmit power message, to indicate microcell base station that this is adjacent to adjust the power of himself according to this power messages.According to an example, above-mentioned power messages can comprise: it is to reduce or increase powerful instruction and/or this microcell base station to adjust the adjustment amount of power and/or the current power of this microcell base station and/or described microcell base station adjusts time of power that this microcell base station adjusts the mode of own power.According to an example, above-mentioned power messages can comprise: require that microcell base station that this is adjacent is according to increasing power or subtracting low power mode and adjust the order of power and/or require that the microcell base station that this is adjacent adjusts the adjustment amount of power and/or requires that the microcell base station that this is adjacent adjusts the target power value of power and/or requires that the microcell base station that this is adjacent adjusts the time of power.This microcell base station 6000A the most also includes receiving unit 6020, for receiving response message from adjacent microcell base station, in the way of this response message can adjust power to comprise adjacent microcell base station and/or adjustment amount.
Fig. 6 B shows and is capable of the device 6000B that the adaptive power of the present invention adjusts, and this device can be above-mentioned microcell base station, such as microcell base station 1, it is also possible to be the module realized in microcell base station.This microcell base station 6000B includes the transmitting element 6010 shown in Fig. 6 A and includes alternatively receiving unit 6020.This microcell base station 6000B also includes adjustment unit 6030, for when there is at least one situation in situations below, adjusting the power of this microcell base station: this microcell base station receives the power adjustment instruction from macro base station；This microcell base station detects that it has interference to the subscriber equipment not having authority to access this microcell base station；This microcell base station needed to recover power after lower adjusting power a period of time.
Fig. 7 shows and is capable of the device 7000 that the adaptive power of the present invention adjusts, and this device can be above-mentioned microcell base station, such as microcell base station 2, it is also possible to be the module realized in microcell base station.This microcell base station 7000 includes receiving unit 7010, and for receiving power messages from adjacent microcell base station, wherein this power messages is to be sent to this microcell base station 7000 when this adjacent microcell base station adjusts the power of himself.According to an example, this power messages comprises: it is to reduce or increase powerful instruction and/or this adjacent microcell base station adjusts the adjustment amount of power and/or the current power of this adjacent microcell base station and/or this adjacent microcell base station adjusts time of power that this adjacent microcell base station adjusts the mode of own power.According to an example, this power messages comprises: require that this microcell base station 7000 is according to increasing power or subtracting low power mode and adjust the order of power and/or require that this microcell base station 7000 adjusts the adjustment amount of power and/or requires that this microcell base station 7000 adjusts the target power value of power and/or requires that this microcell base station 7000 adjusts the time of power.This microcell base station 7000 also includes adjustment unit 7020, for adjusting the power of this microcell base station according to this power messages.This microcell base station 7000 the most also includes transmitting element 7030, sends response message for the microcell base station adjacent to this, and this response message comprises this microcell base station 7000 and adjusts mode and/or the adjustment amount of power.
According to an embodiment, the mode comprising this adjacent microcell base station adjustment own power in this power messages is to reduce or increase powerful instruction.When the mode comprising this adjacent microcell base station adjustment own power in this power messages is to subtract low power instruction, this adjustment unit 7020 increases the power of this microcell base station 7000；When the mode comprising this adjacent microcell base station adjustment own power in this power messages is to increase powerful instruction, this adjustment unit 7020 reduces the power of this microcell base station 7000.
According to an embodiment, this power messages comprises this microcell base station 7000 of requirement according to increasing power or subtracting low power mode and adjust the order of power.When comprising the order that this microcell base station 7000 of requirement adjusts power according to the powerful mode of increasing in this power messages, this adjustment unit 7020 increases the power of this microcell base station 7000；When comprising this microcell base station 7000 of requirement in this power messages according to when subtracting order that low power mode adjusts power, this adjustment unit 7020 reduces the power of this microcell base station 7000.
According to an embodiment, when the mode comprising this adjacent microcell base station adjustment own power in this power messages is to subtract low power instruction, if this microcell base station 7000 does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then this adjustment unit 7020 increases the power of this microcell base station 7000；When the mode comprising this adjacent microcell base station adjustment own power in this power messages is to increase powerful instruction, if this microcell base station 7000 receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, then this adjustment unit 7020 reduces the power of this microcell base station.
According to an embodiment, when this power messages comprises the order that this microcell base station 7000 of requirement adjusts power according to the powerful mode of increasing, if this microcell base station 7000 does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then this adjustment unit 7020 increases the power of this microcell base station 7000；When this power messages comprising this microcell base station 7000 of requirement according to when subtracting order that low power mode adjusts power, if this microcell base station 7000 receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, then this adjustment unit 7020 reduces the power of this microcell base station 7000.
Fig. 8 shows and is capable of the device 8000 that the adaptive power of the present invention adjusts, and this device can be service can be provided to carry out again the microcell base station of descending detection for the UE accessed simultaneously, or realizes the device in this microcell base station.This microcell base station 8000 device includes detector unit 8010, is used for carrying out descending detection.Such as, while this microcell base station (such as microcell base station 2) provides service for the UE accessed, this detector unit 8010 carries out descending detection.This microcell base station 8000 also includes adjustment unit 8020, for when the signal weaker of adjacent microcell base station being detected, incrementally increase the power of this microcell base station 8000, and when the signal adjacent microcell base station being detected becomes strong, progressively reduce the power of this microcell base station 8000.
According to an embodiment, when the CPICH Common Pilot Channel signal that detector unit 8010 detects this adjacent microcell base station dies down within a certain period of time, adjustment unit 8020 incrementally increases the power of this microcell base station 8000；And when the CPICH Common Pilot Channel signal that detector unit 8010 detects this adjacent microcell base station becomes strong within a certain period of time, adjustment unit 8020 progressively reduces the power of this microcell base station 8000.
Unit in Fig. 6 A, 6B, 7 and 8 can include processor, electronic equipment, hardware device, electronic unit, logic circuit, memorizer or its combination in any etc., or can realize with the said equipment.
Fig. 9 illustrates wireless device 9000 according to embodiments of the present invention, and this wireless device can apply to the microcell base station of the present invention.
Wireless device 9000 includes all parts being connected by bus 9500, such as processor 9300, memorizer 9100 and transceiver 9200.Memorizer 9100 can store data 9110 and instruction 9120.Processor 9200 by performing this instruction 9120 and can use these data 9110 to realize adaptive power disclosed in this invention adjustment.Transceiver 9200 is connected with antenna 9400, and comprises transmitter 9210 and receiver 9220, to allow send between wireless device 9000 and remote equipment and receive signal.Processor 9300, by dynamically adjusting the transmit power of transmitter according to the power regulating method of explanation in above-described embodiment, realizes the covering seriality of microcell base station.
According to an embodiment, microcell base station 9000 includes memorizer 9100 and processor 9300, this processor is for when microcell base station 9000 adjusts the power of self, to adjacent microcell base station transmit power message such as power adjustment message transmission request message, to indicate adjacent microcell base station to adjust the power of himself according to this power messages.This processor is further used for receiving response message such as power adjustment message transmission response message from adjacent microcell base station alternatively, and this response message comprises adjacent microcell base station and adjusts mode and/or the adjustment amount of own power.This processor is further used for adjusting the power of this microcell base station 9000 self when there is at least one situation in situations below: this microcell base station 9000 receives the power adjustment instruction from macro base station；This microcell base station 9000 detects that it has interference to the subscriber equipment not having authority to access this microcell base station 9000；This microcell base station 9000 recovers power after lower adjusting power a period of time.
According to another embodiment, microcell base station 9000 includes memorizer 9100 and processor 9300, this processor is used for: receiving power messages such as power adjustment message transmission request message from the microcell base station adjacent with microcell base station 9000, wherein this message is to be sent to microcell base station 9000 when adjacent microcell base station adjusts the power of himself；The power of microcell base station 9000 self is adjusted according to this power messages.This processor is further used for sending response message such as power adjustment message transmission response message to adjacent microcell base station alternatively, and this response message comprises this microcell base station 9000 and adjusts mode and/or the adjustment amount of own power.This processor is further used for: when the mode comprising adjacent microcell base station adjustment own power in this power messages is to subtract low power instruction, make this microcell base station 9000 increase the power of self；When the mode comprising adjacent microcell base station adjustment own power in this power messages is to increase powerful instruction, this microcell base station is made to reduce the power of self.This processor is further used for: when comprising the order that this microcell base station 9000 of requirement adjusts power according to the powerful mode of increasing in this power messages, make this microcell base station 9000 increase the power of self；When this power messages comprising this microcell base station 9000 of requirement according to when subtracting order that low power mode adjusts power, this microcell base station is made to reduce the power of self.This processor is further used for: when the mode comprising adjacent microcell base station adjustment own power in this power messages is to subtract low power instruction, if this microcell base station 9000 does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then this microcell base station 9000 is made to increase the power of self；When the mode comprising adjacent microcell base station adjustment own power in this power messages is to increase powerful instruction, if this microcell base station 9000 receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, then this microcell base station 9000 is made to reduce the power of self.This processor is further used for: when comprising the order that this microcell base station 9000 of requirement adjusts power according to the powerful mode of increasing in this power messages, if this microcell base station 9000 does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then this microcell base station 9000 is made to increase the power of self；When this power messages comprising this microcell base station 9000 of requirement according to when subtracting order that low power mode adjusts power, if this microcell base station 9000 receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, then this microcell base station 9000 is made to reduce the power of self.
According to another embodiment, microcell base station 9000 includes memorizer 9100 and processor 9300, and this processor is used for: carry out descending detection while this microcell base station 9000 provides service for the UE accessed；If be detected that the microcell base station signal weaker adjacent with this microcell base station 9000, then incrementally increase this microcell base station 9000 its own transmission power；If be detected that the microcell base station signal adjacent with this microcell base station 9000 becomes strong, the most progressively reduce this microcell base station 9000 its own transmission power.This processor is further used for: when the CPICH Common Pilot Channel signal adjacent microcell base station being detected dies down within a certain period of time, then incrementally increase the power of this microcell base station 9000；When the CPICH Common Pilot Channel signal adjacent microcell base station being detected becomes strong within a certain period of time, the most progressively reduce the power of this microcell base station 9000.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, it is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematically, such as, the division of described unit, be only a kind of logic function to divide, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit is using the form realization of SFU software functional unit and as independent production marketing or use, can be stored in a computer read/write memory medium.Based on such understanding, completely or partially can embodying with the form of software product of part that prior art is contributed by technical scheme the most in other words or this technical scheme, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (23)
1. a power adaptive method of adjustment, including:
When the subscriber equipment not having authority to access the first microcell base station near the first microcell base station and is disturbed by described first microcell base station transmitting signal, grand radio network controller or macro base station notify that it reduces to described first microcell base station and launch power；
When the first microcell base station adjusts the power of self, first microcell base station is to the second adjacent microcell base station transmit power message, to indicate the second microcell base station to adjust the power of himself according to described power messages, to ensure the covering seriality between the first microcell base station and the second microcell base station；And
The power adjustment instruction that described second microcell base station is sent according to the power messages received and macro base station, dynamically adjusts the transmitting power of self；
Wherein, described power messages comprises: it is to reduce or increase powerful instruction that the first microcell base station adjusts the mode of own power,
The transmitting power that second microcell base station adjusts himself according to the power adjustment instruction that described power messages and macro base station are sent farther includes:
When the mode comprising the first microcell base station adjustment own power in described power messages is to subtract low power instruction, if the second microcell base station does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then the second microcell base station increases the power of self；
When the mode comprising the first microcell base station adjustment own power in described power messages is to increase powerful instruction, if the second microcell base station receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, the second microcell base station reduces the power of self.
2. the method for claim 1, also includes: the first microcell base station receives response message from the second microcell base station, and this response message comprises the second microcell base station and adjusts mode and/or the adjustment amount of power.
The most the method for claim 1, wherein, when there is at least one situation in situations below, the first microcell base station adjusts the power of himself: the first microcell base station receives the power adjustment instruction from macro base station；First microcell base station detects that it has interference to the subscriber equipment not having authority to access the first microcell base station；First microcell base station recovers power after lower adjusting power a period of time.
4. the method for claim 1, wherein, described power messages comprises: it is to reduce or increase powerful instruction and/or the first microcell base station to adjust the adjustment amount of power and/or the current power of the first microcell base station and/or the first microcell base station adjusts time of power that the first microcell base station adjusts the mode of own power.
5. the method for claim 1, wherein, described power messages comprises: require that the second microcell base station is according to increasing power or subtracting low power mode and adjust the order of power and/or require that the second microcell base station adjusts the adjustment amount of power and/or requires that the second microcell base station adjusts the target power value of power and/or requires that the second microcell base station adjusts the time of power.
6. a power adaptive method of adjustment, including:
Second microcell base station receives power messages from the first adjacent microcell base station, and wherein said power messages is to be sent to the second microcell base station when the first microcell base station adjusts the power of himself；
The power adjustment instruction that second microcell base station is sent according to this power messages and macro base station, dynamically adjusts the power of himself, to ensure the covering seriality between the first microcell base station and the second microcell base station；
Wherein, described power messages comprises: it is to reduce or increase powerful instruction that the first microcell base station adjusts the mode of own power,
The power that second microcell base station adjusts himself according to described power messages farther includes:
When the mode comprising the first microcell base station adjustment own power in described power messages is to subtract low power instruction, if the second microcell base station does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then the second microcell base station increases the power of self；
When the mode comprising the first microcell base station adjustment own power in described power messages is to increase powerful instruction, if the second microcell base station receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, the second microcell base station reduces the power of self.
7. method as claimed in claim 6, wherein, the second microcell base station sends response message to the first microcell base station, and this response message comprises the second microcell base station and adjusts mode and/or the adjustment amount of power.
8. method as claimed in claim 6, wherein, comprises in described power messages: require that the second microcell base station increases power or subtracts low power order,
The power that second microcell base station adjusts himself according to this rate message farther includes:
When comprising requirement the second microcell base station in described power messages and increasing powerful order, the second microcell base station increases the power of self；
When comprising requirement the second microcell base station in described rate message and subtracting low power order, the second microcell base station reduces the power of self.
9. method as claimed in claim 8, wherein, the power that the second microcell base station adjusts himself according to described power messages farther includes:
When described power messages comprising requirement the second microcell base station and increasing powerful order, if the second microcell base station does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then the second microcell base station increases the power of self；
When comprising requirement the second microcell base station in described power messages and subtracting low power order, if the second microcell base station receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, then the second microcell base station reduces the power of self.
10. method as claimed in claim 6, wherein, comprise the first microcell base station in described power messages adjusting the mode of own power is to reduce or increase powerful instruction and/or the first microcell base station to adjust the adjustment amount of power and/or the current power of the first microcell base station and/or the first microcell base station adjusts time of power.
11. methods as claimed in claim 6, wherein, described power messages comprises requirement the second microcell base station according to increasing power or subtracting low power mode and adjust the order of power and/or require that the second microcell base station adjusts the adjustment amount of power and/or requires that the second microcell base station adjusts the target power value of power and/or requires that the second microcell base station adjusts the time of power.
12. 1 kinds of microcell base stations, including:
Receiving unit, for receiving power messages from adjacent microcell base station, wherein said power messages is to be sent to this microcell base station when this adjacent microcell base station adjusts the power of himself；
Adjustment unit, for the power adjustment instruction sent according to described power messages and macro base station, dynamically adjusts the power of this microcell base station, to ensure the covering seriality between this microcell base station with adjacent microcell base station；
Wherein, described power messages comprises: the mode that this adjacent microcell base station adjusts own power is to reduce or increase powerful instruction,
Wherein, when the mode comprising this adjacent microcell base station adjustment own power in described power messages is to subtract low power instruction, if this microcell base station does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, the most described adjustment unit increases the power of this microcell base station；
When the mode comprising this adjacent microcell base station adjustment own power in described power messages is to increase powerful instruction, if this microcell base station receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, the most described adjustment unit reduces the power of this microcell base station.
13. microcell base stations as claimed in claim 12, also include:
Transmitting element, sends response message for the microcell base station adjacent to this, and this response message comprises this microcell base station and adjusts mode and/or the adjustment amount of power.
14. microcell base stations as claimed in claim 12, wherein, comprise in described power messages: require this microcell base station according to increasing power or subtracting low power mode and adjust the order of power,
Wherein, when comprising the order that this microcell base station of requirement adjusts power according to the powerful mode of increasing in described power messages, described adjustment unit increases the power of this microcell base station；
When comprising this microcell base station of requirement in described power messages according to when subtracting order that low power mode adjusts power, described adjustment unit reduces the power of this microcell base station.
15. microcell base stations as claimed in claim 14, wherein, when described power messages comprises the order that this microcell base station of requirement adjusts power according to the powerful mode of increasing, if this microcell base station does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, the most described adjustment unit increases the power of this microcell base station；
When described power messages comprising this microcell base station of requirement according to when subtracting order that low power mode adjusts power, if this microcell base station receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, the most described adjustment unit reduces the power of this microcell base station.
16. microcell base stations as claimed in claim 12, wherein, described power messages comprises: it is to reduce or increase powerful instruction and/or this adjacent microcell base station adjusts the adjustment amount of power and/or the current power of this adjacent microcell base station and/or this adjacent microcell base station adjusts time of power that this adjacent microcell base station adjusts the mode of own power.
17. microcell base stations as claimed in claim 12, wherein, described power messages comprises: require this microcell base station according to increase power or subtract low power mode adjust power order and/or require this microcell base station adjust power adjustment amount and/or require this microcell base station adjust power target power value and/or require this microcell base station adjust power time.
18. 1 kinds of microcell base stations, including:
Processor, is used for: receiving power messages from the microcell base station adjacent with this microcell base station, wherein this power messages is to be sent to this microcell base station when adjacent microcell base station adjusts the power of himself；The power adjustment instruction sent according to this power messages and macro base station, dynamically adjusts the power of this microcell base station self, to ensure the covering seriality between this microcell base station with adjacent microcell base station；
The memorizer being connected with described processor；
Wherein, described power messages comprises: the mode that this adjacent microcell base station adjusts own power is to reduce or increase powerful instruction；
Wherein, described processor is further used for:
When the mode comprising this adjacent microcell base station adjustment own power in described power messages is to subtract low power instruction, if this microcell base station does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then this microcell base station is made to increase the power of self；
When the mode comprising this adjacent microcell base station adjustment own power in described power messages is to increase powerful instruction, if this microcell base station receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, then this microcell base station is made to reduce the power of self.
19. microcell base stations as claimed in claim 18, wherein, described processor is further used for sending response message to this adjacent microcell base station, and this response message comprises this microcell base station and adjusts mode and/or the adjustment amount of power.
20. microcell base stations as claimed in claim 18, wherein, comprise in described power messages: require this microcell base station according to increasing power or subtracting low power mode and adjust the order of power,
Wherein, described processor is further used for:
When described power messages comprises the order that this microcell base station of requirement adjusts power according to the powerful mode of increasing, this microcell base station is made to increase the power of self；
When described power messages comprising this microcell base station of requirement according to when subtracting order that low power mode adjusts power, this microcell base station is made to reduce the power of self.
21. microcell base stations as claimed in claim 20, wherein, described processor is further used for:
When described power messages comprises the order that this microcell base station of requirement adjusts power according to the powerful mode of increasing, if this microcell base station does not receive fall power instruction that macro base station sends and/or do not finds that mobile device is not had interference, then this microcell base station is made to increase the power of self；
When described power messages comprising this microcell base station of requirement according to when subtracting order that low power mode adjusts power, if this microcell base station receives fall power instruction that macro base station sends and/or finds that mobile device is had interference, then this microcell base station is made to reduce the power of self.
22. microcell base stations as claimed in claim 18, wherein, described power messages comprises: it is to reduce or increase powerful instruction and/or this adjacent microcell base station adjusts the adjustment amount of power and/or the current power of this adjacent microcell base station and/or this adjacent microcell base station adjusts time of power that this adjacent microcell base station adjusts the mode of own power.
23. microcell base stations as claimed in claim 18, wherein, described power messages comprises: require this microcell base station according to increase power or subtract low power mode adjust power order and/or require this microcell base station adjust power adjustment amount and/or require this microcell base station adjust power target power value and/or require this microcell base station adjust power time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110305298.3A CN103024885B (en) | 2011-09-22 | 2011-09-22 | The adaptive power of microcell base station adjusts |
| PCT/CN2012/081791 WO2013041051A1 (en) | 2011-09-22 | 2012-09-22 | Self-adaptive power adjustment of micro-cell base station |
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| CN201110305298.3A CN103024885B (en) | 2011-09-22 | 2011-09-22 | The adaptive power of microcell base station adjusts |
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| CN109348533B (en) * | 2013-05-15 | 2021-12-14 | 华为技术有限公司 | Signal adjusting method and device and cell |
| CN104168636A (en) * | 2013-05-17 | 2014-11-26 | 中兴通讯股份有限公司 | Small cell power control method and device |
| CN104333896B (en) * | 2014-11-28 | 2018-12-25 | 东莞宇龙通信科技有限公司 | Microcell base station and its method of adjustment and adjustment system for sending power |
| WO2017113406A1 (en) * | 2015-12-31 | 2017-07-06 | 华为技术有限公司 | Automatic adjustment method of base station, apparatus and system |
| CN109076397B (en) * | 2016-05-13 | 2021-07-09 | 华为技术有限公司 | Resource allocation method and related equipment |
| CN107864493B (en) * | 2016-09-22 | 2020-11-06 | 中国移动通信有限公司研究院 | Method and device for coordinating interference between coexisting communication systems |
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| CN101779500A (en) * | 2007-08-10 | 2010-07-14 | 高通股份有限公司 | Transmission power adaptation at adjacent node |
| CN102065448A (en) * | 2011-01-06 | 2011-05-18 | 大唐移动通信设备有限公司 | Compensating method and device and recovering method and device of overlay area |
| CN102165802A (en) * | 2009-06-30 | 2011-08-24 | 华为技术有限公司 | Method and apparatus of communication |
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| US8718696B2 (en) * | 2008-05-13 | 2014-05-06 | Qualcomm Incorporated | Transmit power selection for user equipment communicating with femto cells |
| JP4337007B1 (en) * | 2008-05-23 | 2009-09-30 | 日本電気株式会社 | Wireless communication system, base station, terminal, wireless communication method, program |
| EP2485509B1 (en) * | 2009-10-01 | 2017-06-21 | Nec Corporation | Mobile communication system, base station apparatus, mobile station apparatus, control method, and computer readable medium |
| WO2011097822A1 (en) * | 2010-02-12 | 2011-08-18 | 上海贝尔股份有限公司 | Method and apparatus for controlling power of micro cell base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779500A (en) * | 2007-08-10 | 2010-07-14 | 高通股份有限公司 | Transmission power adaptation at adjacent node |
| CN102165802A (en) * | 2009-06-30 | 2011-08-24 | 华为技术有限公司 | Method and apparatus of communication |
| CN102065448A (en) * | 2011-01-06 | 2011-05-18 | 大唐移动通信设备有限公司 | Compensating method and device and recovering method and device of overlay area |
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