CN104969607B

CN104969607B - The energy conserving system of distributed base station, device and method

Info

Publication number: CN104969607B
Application number: CN201480000109.3A
Authority: CN
Inventors: 杜冰心
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-01-10
Filing date: 2014-01-10
Publication date: 2019-03-05
Anticipated expiration: 2034-01-10
Also published as: CN104969607A; WO2015103772A1

Abstract

The embodiment of the present invention provides a kind of energy conserving system of distributed base station, device and method, the system includes: control equipment, i-th of RHUB in the L Remote Radio Unit hub RHUB and N number of RRU for belonging to the same cell, the L RHUB respectively with the N in N number of RRU_iA RRU is connected, the L is positive integer, the N is the integer more than or equal to 2, the i is positive integer and value is from 1 to L, each RRU supports at least one standard in N number of RRU, the at least one standard includes the first standard, the control equipment, for controlling the power save mode of N number of RRU by the L RHUB, so that first standard of each RRU in M1 RRU in N number of RRU is in close state, first standard of each RRU in M2 RRU is in the open state.Based on above scheme, energy conservation is realized with the granularity of RRU, energy consumption can be efficiently reduced, avoid the waste of electric power resource, and improve the flexibility of energy conserving system.

Description

The energy conserving system of distributed base station, device and method

Technical field

The present embodiments relate to fields of communication technology, and more particularly, to the energy conserving system of distributed base station, set Standby and method.

Background technique

In modern urbanization construction, building is more and more, higher and higher perhaps more and more intensive or building is adopted Material causes the signal of wireless communication to may be subjected to blocking when transmitting therebetween and decay, or even shielding, so that communication It is difficult to carry out.In the bottom of some buildings, such as underground parking, market place builet below the ground, subway or tunnel are all usually blind areas, letter It is number weaker.In addition, the center deployment base station in big and medium-sized cities is more intensive, therefore signal is more mixed and disorderly, unstable, especially exists Some skyscrapers not completely enclosed, the signal entered the room include that nearby the signal of base station and distant place base station pass through The signal that the modes such as direct projection, refraction, reflection and diffraction enter.In this way, causing interference with serious.Therefore, under such circumstances, UE (User Equipment, user equipment) cell reselection or switching frequently, cause speech quality poor, call drop phenomenon is serious.And The base station density of Border Districts of A City, deployment is small, still lossy to electromagnetic wave apart from the farther away construction material in base station, so that logical Letter industry is greatly affected and limits.It is usually deployed distributed base station system in a communication network to solve the above problems.

Distributed base station system, such as can be including BBU(Base Band Unit, baseband processing unit), RRU The RHUB of routing is provided between (Radio Remote Unit, Remote Radio Unit) and RRU and BBU for digital baseband signal System composed by (RRU HUB, Remote Radio Unit hub).Wherein each BBU can support one or more RHUB, with Several RRU connections.Since the electric cost of communication equipment specific gravity shared in the network operation expenditure of operator is very high, such as The power consumption what reduces distributed base station system is a problem to be solved.

The prior art is energy-efficient to realize with the granularity of a RRU group.For example, in the cell that some RRU group is supported Certain wireless standard portfolio number of user equipment for substantially reducing or connecting it is less when, in all RRU in the RRU group The wireless standard of deployment is there is still a need for opening, in this way, system still will cause a large amount of energy consumption.

Summary of the invention

The embodiment of the present invention provides a kind of energy conserving system of distributed base station, device and method, can reduce energy consumption, avoid The waste of electric power resource, and improve the flexibility of energy conserving system.

In a first aspect, providing a kind of energy conserving system of distributed base station, which includes: control equipment, and L radio frequency is drawn Remote unit hub RHUB and the N number of radio frequency remote unit RRU for belonging to the same cell, i-th of RHUB in the L RHUB Respectively with the N in N number of RRU_iA RRU is connected, and the L is positive integer, and the N is the integer more than or equal to 2, described I is positive integer and value is from 1 to L, N_iFor positive integer andEach RRU supports at least one in N number of RRU Standard, at least one standard include the first standard, the control equipment, for passing through the L according to the load information of RRU A RHUB controls the power save mode of N number of RRU, so that described first of each RRU in M1 RRU in N number of RRU Standard is in close state, and first standard of each RRU in M2 RRU is in the open state, the M1 and the M2 It is positive integer and M1+M2=N.

With reference to first aspect, in another implementation of first aspect, i-th of RHUB, for according to N_iThe S opened in a RRU_iThe first standard radio frequency combining mode of i-th of RHUB, S is arranged in a RRU_iFor nonnegative integer andThe M2 RRU includes the S_iA RRU.

Any implementation with reference to first aspect and its in above-mentioned implementation is realized in the another kind of first aspect In mode, the load information of the RRU includes at least following one kind: the utilization rate of the Physical Resource Block of the Uu mouth of the RRU, institute State the number of user equipment of RRU connection, the currently used power of the data throughout of the RRU and the RRU.

Any implementation with reference to first aspect and its in above-mentioned implementation is realized in the another kind of first aspect In mode, the control equipment is further used for from the N connecting with first RHUB and the first standard is opened₁A RRU Middle determination needs to close the P of first standard₁First RHUB of a RRU, Xiang Suoshu, which is sent, closes energy-saving information, the closing Energy-saving information is used to indicate the P₁Each RRU in a RRU closes first standard, wherein P₁For positive integer and P₁=N₁- S₁, the M1 RRU includes the P₁A RRU；First RHUB, for respectively to the P₁A RRU sends the energy conservation Closing information；The P₁Each RRU in a RRU, the energy saving closing information sent for receiving first RHUB, First standard is closed according to the energy saving closing information.

Any implementation with reference to first aspect and its in above-mentioned implementation is realized in the another kind of first aspect In mode, each RRU supports at least two standards in N number of RRU, at least two standard include first standard and Second standard, the control equipment are also used to open the S of the first standard from first RHUB₁In a RRU determine need into The W of row standard switching₁First RHUB of a RRU, Xiang Suoshu sends the first energy saving handover information, the described first energy saving handover information It is used to indicate the W₁The user equipment of first standard is switched to second standard and closed by each RRU in a RRU Close the first standard, W₁For positive integer and W₁Less than or equal to S₁；First RHUB is also used to receive the control equipment hair The energy saving handover information of described first sent, according to the S according to unlatching₁-W₁Described the first of first RHUB is arranged in a RRU Standard radio frequency is combined mode, and the described first energy saving handover information is sent to the L respectively₁A RRU；The W₁In a RRU Each RRU is also used to the user equipment of first standard being switched to second standard and closes first standard.

Any implementation with reference to first aspect and its in above-mentioned implementation is realized in the another kind of first aspect In mode, the W₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is less than or equal to first resource threshold value, and the number of user equipment of the RRU connection is less than or equal to the first quantity door Limit value, the data throughout of the RRU are less than or equal to the first throughput threshold value and the currently used power of the RRU Less than or equal to the first power threshold.

Any implementation with reference to first aspect and its in above-mentioned implementation is realized in the another kind of first aspect In mode, the control equipment is also used to determine from the RRU that first RHUB closes the first standard described in needs unlatching The K of first standard₁First RHUB of a RRU, Xiang Suoshu sends the second energy saving handover information, and the described second energy saving handover information is used In the instruction K₁Each RRU in a RRU opens first standard, the K₁For less than or equal to N₁-S₁Positive integer； First RHUB is also used to receive the described second energy saving handover information that the control equipment is sent, according to the S of unlatching₁+ K₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU, and respectively switches second energy conservation Information is sent to the K₁A RRU；The K₁Each RRU in a RRU is also used to open first standard.

Any implementation with reference to first aspect and its in above-mentioned implementation is realized in the another kind of first aspect In mode, the K₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is greater than Secondary resource threshold value, and the number of user equipment of the RRU connection is greater than the second number threshold value, the RRU Data throughout be greater than the currently used power of the second throughput threshold value and the RRU and be greater than the second power threshold.

Second aspect provides a kind of control equipment, which comprises determining that unit, belongs to for determination same The power save mode of N number of RRU Remote Radio Unit of a cell, wherein the control equipment passes through L Remote Radio Unit line concentration Device RHUB is connected with N number of RRU respectively, i-th of RHUB in the L RHUB respectively with the N in N number of RRU_iIt is a RRU is connected, and the L is positive integer, and the N is the integer more than or equal to 2, and the i is positive integer and value is from 1 to L, N_i For positive integer andEach RRU supports at least one standard, at least one standard packet in N number of RRU Include the first standard；Control unit controls the determination unit by the L RHUB for the load information according to RRU and determines N number of RRU power save mode so that first standard of each RRU in M1 RRU in N number of RRU is in First standard of closed state, each RRU in M2 RRU is in the open state, and the M1 and the M2 are positive whole Number and M1+M2=N.

In conjunction with second aspect, in another implementation of second aspect, the load information of the RRU include at least under Arrange one kind: the utilization rate of the Physical Resource Block of the Uu mouth of the RRU, the number of user equipment of the RRU connection, the RRU's The currently used power of data throughout and the RRU.

In conjunction with any implementation in second aspect and its above-mentioned implementation, realized in the another kind of second aspect In mode, the determination unit, specifically for from the N being connect with first RHUB and the first standard is opened₁In a RRU Determine the P for needing to close first standard₁A RRU；Described control unit is specifically used for sending to first RHUB and close Energy-saving information is closed, so that first RHUB is according to the S of unlatching₁First system of first RHUB is arranged in a RRU Formula radio frequency is combined mode, and respectively to the P₁A RRU sends the energy saving closing information, and the closing energy-saving information is for referring to Show the P₁Each RRU in a RRU closes first standard, wherein P₁For positive integer and P₁=N₁-S₁, the M1 RRU packet Include the P₁A RRU.

In conjunction with any implementation in second aspect and its above-mentioned implementation, realized in the another kind of second aspect In mode, each RRU supports at least two standards in N number of RRU, at least two standard include first standard and Second standard, the determination unit are also used to open the S of the first standard from first RHUB₁In a RRU determine need into The W of row standard switching₁A RRU, W₁For positive integer and W₁Less than or equal to S₁；Described control unit is also used to described first RHUB sends the first energy saving handover information, so that first RHUB is according to the S of unlatching₁-W₁A RRU setting described first The first standard radio frequency of RHUB is combined mode, and the described first energy saving handover information is sent to the W respectively₁A RRU, Described first energy saving handover information is used to indicate the W₁Each RRU in a RRU cuts the user equipment of first standard It changes to second standard and closes first standard.

In conjunction with any implementation in second aspect and its above-mentioned implementation, realized in the another kind of second aspect In mode, the W₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is less than or equal to first resource threshold value, and the number of user equipment of the RRU connection is less than or equal to the first quantity door Limit value, the data throughout of the RRU are less than or equal to the first throughput threshold value and the currently used power of the RRU Less than or equal to the first power threshold.

In conjunction with any implementation in second aspect and its above-mentioned implementation, realized in the another kind of second aspect In mode, the determination unit is also used to determine from the RRU that first RHUB closes the first standard described in needs unlatching The K of first standard₁A RRU, the K₁For less than or equal to N₁-S₁Positive integer；Described control unit is specifically used for described First RHUB sends the second energy saving handover information, so that first RHUB is according to the S of unlatching₁+K₁A RRU setting first The first standard radio frequency of a RHUB is combined mode, and the described second energy saving handover information is sent to the K respectively₁It is a RRU, the described second energy saving handover information are used to indicate the K₁Each RRU in a RRU opens first standard.

In conjunction with any implementation in second aspect and its above-mentioned implementation, realized in the another kind of second aspect In mode, the K₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is greater than Secondary resource threshold value, and the number of user equipment of the RRU connection is greater than the second number threshold value, the RRU Data throughout be greater than the currently used power of the second throughput threshold value and the RRU and be greater than the second power threshold.

The third aspect provides a kind of RHUB, the RHUB and belongs in N number of radio frequency remote unit RRU of the same cell N₁A RRU is connected, and the N is the integer more than or equal to 2, the N₁For the positive integer less than or equal to N, the RHUB packet It includes: receiving unit, the institute in power save mode for obtaining N number of RRU that control equipment is controlled according to the load information of RRU State N₁The power save mode of a RRU closes wherein first standard of each RRU in M1 RRU in N number of RRU is in First standard of closed state, each RRU in M2 RRU is in the open state, and the M1 and the M2 are positive integer And M1+M2=N；Determination unit, the N for being obtained according to receiving unit₁The power save mode of a RRU determines the N₁A RRU In have S₁The first standard of a RRU is in the open state, S₁For less than or equal to N₁Nonnegative integer, the M2 RRU includes institute State S₁A RRU.

In conjunction with the third aspect, in another implementation of the third aspect, the determination unit is also used to according to unlatching S₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU.

In conjunction with any implementation in the third aspect and its above-mentioned implementation, realized in the another kind of the third aspect In mode, the load information of the RRU includes at least following one kind: the utilization rate of the Physical Resource Block of the Uu mouth of the RRU, institute State the number of user equipment of RRU connection, the currently used power of the data throughout of the RRU and the RRU.

In conjunction with any implementation in the third aspect and its above-mentioned implementation, realized in the another kind of the third aspect In mode, the RHUB further includes the first transmission unit, and the receiving unit is further used for receiving the control equipment transmission Energy saving closing information, the closing energy-saving information is used to indicate the N₁P in a RRU₁Each RRU in a RRU closes institute The first standard is stated, wherein the P₁For positive integer and P₁=N₁-S₁；First transmission unit, for respectively to the P₁A RRU Send the energy saving closing information.

In conjunction with any implementation in the third aspect and its above-mentioned implementation, realized in the another kind of the third aspect In mode, the RHUB further includes the second transmission unit, the receiving unit, is also used to receive that the control equipment sends the One energy saving handover information, the described first energy saving handover information are used to indicate the S₁W in a RRU₁Each RRU in a RRU is by institute The user equipment for stating the first standard is switched to second standard and closes the first standard, the W₁For positive integer and W₁Be less than or Equal to S₁；The determination unit is also used to the S according to unlatching₁-W₁First standard of first RHUB is arranged in a RRU Radio frequency is combined mode；Second transmission unit is also used to that the described first energy saving handover information is sent to the W respectively₁It is a RRU。

In conjunction with any implementation in the third aspect and its above-mentioned implementation, realized in the another kind of the third aspect In mode, the W₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is less than or equal to first resource threshold value, and the number of user equipment of the RRU connection is less than or equal to the first quantity door Limit value, the data throughout of the RRU are less than or equal to the first throughput threshold value and the currently used power of the RRU Less than or equal to the first power threshold.

In conjunction with any implementation in the third aspect and its above-mentioned implementation, realized in the another kind of the third aspect In mode, the RHUB further includes third transmission unit, the receiving unit, is also used to receive that the control equipment sends the Two energy saving handover informations, the described second energy saving handover information are used to indicate the K that the RHUB is closed in the RRU of the first standard₁It is a Each RRU in RRU opens first standard, the K₁For less than or equal to N₁-S₁Positive integer；The determination unit, also For the S according to unlatching₁+K₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU；The third Transmission unit is also used to that the described second energy saving handover information is sent to the K respectively₁A RRU.

In conjunction with any implementation in the third aspect and its above-mentioned implementation, realized in the another kind of the third aspect In mode, the K₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is greater than Secondary resource threshold value, and the number of user equipment of the RRU connection is greater than the second number threshold value, the RRU Data throughout be greater than the currently used power of the second throughput threshold value and the RRU and be greater than the second power threshold.

Fourth aspect provides a kind of power-economizing method of distributed base station, this method comprises: control equipment is penetrated by L Frequency extension unit hub RHUB control belongs to the power save mode of N number of radio frequency remote unit RRU of the same cell, so that described First standard of each RRU in M1 RRU in N number of RRU is in close state, the institute of each RRU in M2 RRU It is in the open state to state the first standard, each RRU supports at least one standard, at least one standard in N number of RRU Including the first standard, the N is the integer more than or equal to 2, and the M1 and the M2 are positive integer and M1+M2=N；Wherein, The M1 and M2 is positive integer and M1+M2=N.

In conjunction with fourth aspect, in another implementation of fourth aspect, i-th of RHUB, according to the N_iIt is a The S opened in RRU_iThe first standard radio frequency combining mode of i-th of RHUB, S is arranged in a RRU_iFor nonnegative integer andThe M2 RRU includes the S_iA RRU.

In conjunction with any implementation in fourth aspect and its above-mentioned implementation, realized in the another kind of fourth aspect In mode, the load information of the RRU includes at least following one kind: the utilization rate of the Physical Resource Block of the Uu mouth of the RRU, institute State the number of user equipment of RRU connection, the currently used power of the data throughout of the RRU and the RRU

In conjunction with any implementation in fourth aspect and its above-mentioned implementation, realized in the another kind of fourth aspect In mode, the control equipment is drawn by N number of radio frequency that L Remote Radio Unit hub RHUB control belongs to the same cell The power save mode of remote unit R RU, comprising: the control equipment with first RHUB from connecting and the first standard is opened N₁The P for needing to close first standard is determined in a RRU₁First RHUB of a RRU, Xiang Suoshu, which is sent, closes energy-saving information, institute It states closing energy-saving information and is used to indicate the P₁Each RRU in a RRU closes first standard, wherein P₁For positive integer and P₁=N₁-S₁, the M1 RRU includes the P₁A RRU；First RHUB is respectively to the P₁A RRU sends the energy conservation Closing information；The P₁Each RRU in a RRU receives the energy saving closing information that first RHUB is sent, according to The energy conservation closing information closes first standard.

In conjunction with any implementation in fourth aspect and its above-mentioned implementation, realized in the another kind of fourth aspect In mode, each RRU supports at least two standards in N number of RRU, at least two standard include first standard and Second standard, the method also includes: S of the control equipment from first RHUB the first standard of unlatching₁In a RRU really Surely need to carry out the W of standard switching₁First RHUB of a RRU, Xiang Suoshu sends the first energy saving handover information, first energy conservation Handover information is used to indicate the W₁The user equipment of first standard is switched to described second by each RRU in a RRU Standard simultaneously closes the first standard, W₁For positive integer and W₁Less than or equal to S₁；First RHUB is according to the S of unlatching₁-W₁It is a The first standard radio frequency combining mode of first RHUB is arranged in RRU, and respectively by the described first energy saving handover information It is sent to the W₁A RRU；The W₁The user equipment of first standard is switched to described second by each RRU in a RRU Standard simultaneously closes first standard.

In conjunction with any implementation in fourth aspect and its above-mentioned implementation, realized in the another kind of fourth aspect In mode, the W₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is less than or equal to first resource threshold value, and the number of user equipment of the RRU connection is less than or equal to the first quantity door Limit value, the data throughout of the RRU are less than or equal to the first throughput threshold value and the currently used power of the RRU Less than or equal to the first power threshold.

In conjunction with any implementation in fourth aspect and its above-mentioned implementation, realized in the another kind of fourth aspect In mode, each RRU supports at least two standards in N number of RRU, at least two standard include first standard and Second standard, the method also includes: the control equipment is determined from the RRU that first RHUB closes the first standard and is needed Open the K of first standard₁First RHUB of a RRU, Xiang Suoshu sends the second energy saving handover information, second energy conservation Handover information is used to indicate the K₁Each RRU in a RRU opens first standard, the K₁For less than or equal to N₁-S₁ Positive integer；First RHUB is according to the S of unlatching₁+K₁First standard that first RHUB is arranged in a RRU is penetrated Frequency combining mode, and the described second energy saving handover information is sent to the K respectively₁A RRU；The K₁Each of a RRU RRU opens first standard.

In conjunction with any implementation in fourth aspect and its above-mentioned implementation, realized in the another kind of fourth aspect In mode, the K₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of the RRU Utilization rate is greater than Secondary resource threshold value, and the number of user equipment of the RRU connection is greater than the second number threshold value, the RRU Data throughout be greater than the currently used power of the second throughput threshold value and the RRU and be greater than the second power threshold.

Equipment is controlled in the energy conserving system of distributed base station of the embodiment of the present invention to be used to pass through L according to the load information of RRU A RHUB control belongs to the power save mode of N number of RRU of the same cell, so that each RRU in M1 RRU in N number of RRU First standard is in close state, and the first standard of each RRU in M2 RRU is in the open state, and N is more than or equal to 2 Integer, M1 and M2 are positive integer and M1+M2=N, wherein i-th of RHUB in L RHUB respectively with the N in N number of RRU_iIt is a RRU is connected, and L is positive integer, and i is positive integer and value is from 1 to L, N_iFor positive integer andIt is each in N number of RRU RRU supports that at least one standard, at least one standard include the first standard, is based on above scheme, realizes section with the granularity of RRU Can, in the multiple RRU for belonging to the same cell, it can be realized part RRU and open the first standard, part RRU closes the first system Formula, to improve the flexibility of energy conserving system, and the first system without opening all RRU for belonging to same cell deployment Formula can be achieved with user equipment in the business of the cell, therefore, can efficiently reduce energy consumption, avoid the waste of electric power resource.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the schematic diagram of a scenario of a distributed base station system that can apply the embodiment of the present invention；

Fig. 2 is that another can be using the schematic diagram of a scenario of the distributed base station system of the embodiment of the present invention；

Fig. 3 is the schematic block diagram of the energy conserving system of the distributed base station of one embodiment of the invention；

Fig. 4 is the schematic diagram of the control equipment of one embodiment of the invention；

Fig. 5 is the schematic diagram of the Remote Radio Unit hub of one embodiment of the invention；

Fig. 6 is the schematic diagram of the control equipment of another embodiment of the present invention；

Fig. 7 is the schematic diagram of the Remote Radio Unit hub of another embodiment of the present invention；

Fig. 8 is the flow chart of the power-economizing method of the distributed base station of one embodiment of the invention；

Fig. 9 is the flow chart of the process of the power-economizing method of the distributed base station of one embodiment of the invention；

Figure 10 is the flow chart of the process of the power-economizing method of the distributed base station of another embodiment of the present invention.

Specific embodiment

Technical solution of the present invention can be applied to various communication systems, such as: GSM(Global System of Mobile communication, global system for mobile communications), CDMA(Code Division Multiple Access, code Point multiple access) system, WCDMA(Wideband Code Division Multiple Access Wireless, wideband code division is more Location), UMTS(Universal Mobile Telecommunications System, Universal Mobile Communication System), GPRS (General Packet Radio Service, General Packet Radio Service), LTE(Long Term Evolution, for a long time Evolution) etc..

UE(User Equipment, user equipment), also referred to as mobile terminal (Mobile Terminal), mobile User equipment etc., can be through wireless access network (for example, RAN, Radio Access Network) and one or more core nets It is communicated, user equipment can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and with mobile terminal Computer, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they with Wireless access network exchanges language and/or data.

In embodiments of the present invention, control equipment can be BBU, can also be base station controller, it should be appreciated that the present invention couple This is not limited.Base station controller can be GSM(Global System for Mobile Communications, the whole world Mobile communication system) or CDMA in BSC(Base Station Controller, base station controller), be also possible to WCDMA In RNC(Radio Network Controller, radio network controller).

Standard in the present invention can be LTE or WCDMA or TD-SCDMA(Time Division-Synchronous Code Division Multiple Access, Time Division-Synchronous Code Division Multiple Access) or the standards such as CDMA2000 or GSM.

In embodiments of the present invention, the connection between a component and another component, it may include wiredly and/or wirelessly mode Connection.Wired mode may include but be not limited to the cable that various media are constituted, such as optical fiber, conductor cable or semiconductor circuits Deng；Or including other forms, such as internal bus, circuit, backboard.Wireless mode is that by the connection side of wireless communication Formula, including but not limited to radio frequency, infrared ray, bluetooth etc..Internal or external interface may be present between two components, which can To be physical interface or logic interfacing.

Fig. 1 is can be using the schematic diagram of a scenario of the distributed base station system of the embodiment of the present invention.The scene figure of Fig. 1 is with LTE For system, in order to make it easy to understand, depicting 1 BBU, 1 RHUB and including 8 RRU(RRU0-7) one group of RRU, the group All RRU in RRU belong to the same cell, i.e., each RRU down direction of same RRU group emits the signal of same cell, on Line direction receives the signal from same cell.Wherein, BBU is responsible for that the downlink data from BSC is encoded, modulated and expanded The processing such as frequency, and it is sent to corresponding RHUB；BBU is responsible for the digital baseband signal from RHUB such as demodulating and decoding simultaneously Processing, by treated, upstream data information is sent to BSC.RHUB is responsible for the downstream digital baseband signal for sending BBU and carries out After photoelectric conversion, serial to parallel conversion and replication processes, it is sent to the RRU connecting with itself；RHUB is responsible for sending RRU simultaneously After upstream digital baseband signal is weighted summation, parallel serial conversion and electro-optic conversion processing, it is sent to BBU；For non-self Affiliated digital baseband signal is not processed, and is directly forwarded.RRU is responsible for that the digital baseband signal that RHUB is sent is gone here and there and become It changes, pulse-shaping, digital-to-analogue conversion, the processing such as power amplification, downlink data is transmitted to UE through antenna；RRU is responsible in the future simultaneously From the upstream data of antenna carry out radio frequency amplification, analog-to-digital conversion, matched filtering and and go here and there after the processing such as variation, be sent to RHUB。

It should be understood that the embodiment of the present invention does not limit this, it may include two or more RRU in one group of RRU. It should also be noted that the RHUB number connecting with same group of RRU can be one or more, it is connect with the same RHUB RRU can be belonging respectively to different RRU groups.Schematically as shown in Fig. 2, the RRU1 to RRU n1 for example connecting with RHUB1 belongs to In first group of RRU, or the RRU n1+1 connecting with RHUB and the RRU n1+2 to RRU n1+n2 connecting with RHUB belong to Two groups of RRU.Optionally, this multiple RHUB can also be further advanced by a RHUB and be connected to BBU.

It in the prior art, is energy-efficient to realize with the granularity of a RRU group.For example, in some RRU group, such as Fig. 2 First group of RRU in scene figure, the user that certain wireless standard portfolio in the cell of support is substantially reduced or connected set When standby negligible amounts, or when having service bearer in the cell, the wireless standard disposed in all RRU in the RRU group There is still a need for unlatchings, that is to say, that the cell, which can not carry out closing, realizes energy conservation.In this way, system will cause a large amount of energy consumption.

To solve the above problems, in the present invention, with thinner granularity, the granularity of RRU realizes energy conservation, pass through same RRU The unlatching of part RRU realizes the service bearer of the cell to reduce energy consumption in group, avoids the waste of electric power resource, additionally it is possible to improve The flexibility of energy conserving system.

Fig. 3 is the schematic block diagram of the energy conserving system of the distributed base station of one embodiment of the invention.The energy conserving system 300 Including 1 control equipment 304, at least one RHUB and one group of RRU, at least one RHUB for supporting same cell, such as L, L is Positive integer is RHUB-1, RHUB-2 ... ..., RHUB-L respectively.This group of RRU includes at least two RRU, such as N number of, N be greater than or Integer equal to 2, i-th of RHUB in L RHUB respectively with the N in N number of RRU_iA RRU is connected, and i is positive integer and value From 1 to L, N_iFor positive integer andAs shown in the schematic diagram of Fig. 3, N is connect with RHUB-1₁A RRU is respectively RRU301-1, RRU301-2 ... ..., RRU301-N₁；N is connect with RHUB-2₂A RRU is RRU302-1, RRU302- respectively 3 ... ..., RRU302-N₂；N is connect with RHUB-L₂A RRU is RRU303-1, RRU303-2 ... ..., RRU303-N respectively_L。N Each RRU supports at least one standard in a RRU, and at least one standard includes the first standard, such as LTE standard or WCDMA standard Deng.It should be understood that the RRU number connecting with a RHUB can be one or more, the embodiment of the present invention does not limit this.

Control equipment 304 is used to control the power save mode of N number of RRU by L RHUB according to the load information of RRU, so that The first standard of each RRU in M1 RRU in N number of RRU is in close state, and first of each RRU in M2 RRU Standard is in the open state, and wherein M1 and M2 is positive integer and M1+M2=N.

In other words, control equipment 304 is used to control one group of RRU by least one RHUB according to the load information of RRU Power save mode so that the first standard of a part of RRU in this group of RRU is in the open state and another part RRU first Standard is in close state.

Optionally, i-th of RHUB is used for according to N_iThe S opened in a RRU_iThe first system of i-th of RHUB is arranged in a RRU The radio frequency of formula is combined mode, i.e. RHUB is in up direction by S_iThe upstream baseband data of a RRU merges, and incites somebody to action in down direction Base band data carries out duplication and is distributed to the S_iA RRU.S_iFor nonnegative integer andM2 RRU includes S_iA RRU.I.e. RHUB is penetrated according to connecting with the RHUB and belong to the RRU that the first standard of the RRU group is opened first standard of the RHUB is arranged Frequency combining mode, the RRU of unlatching can be one or more RRU, naturally it is also possible to be 0, indicate to belong to the RRU group under the RHUB The first standard of all RRU be in closed state.

It should be noted that control equipment 304 can be used for controlling N number of RRU in the power save mode of the first standard, specifically Ground, the first standard of N number of RRU to the above-mentioned M1 RRU that can open from the first standard are in close state with M2 RRU's First standard is in the open state；From the first standard for the N number of RRU to above-mentioned M1 RRU that can also be turned off from the first standard It is in the open state in the first standard of closed state and M2 RRU；It can also be from the first standard of M3 RRU in N number of RRU The first standard that in the open state and M4 RRU the first standard is in close state above-mentioned M1 RRU, which is in, closes shape State and the first standard of M2 RRU are in the open state, and wherein M3 and M4 is positive integer and N=M3+M4.It should be understood that the present invention Embodiment does not limit this.

Based on above scheme, the energy conserving system of the embodiment of the present invention realizes energy conservation with the granularity of RRU, same small belonging to In multiple RRU in area, it can be realized part RRU and open the first standard, part RRU closes the first standard, to improve energy saving system The flexibility of system, and the first standard without opening all RRU for belonging to same cell deployment can be achieved with user and set Therefore the standby business in the cell can efficiently reduce energy consumption, avoid the waste of electric power resource.

As another embodiment of the invention, the above energy conserving system 300 can also further expand its function.

Illustratively, control equipment 304 can be further used for from N number of RRU that the first standard is in open state It determines M1 RRU for needing to close the first standard, sends energy saving closing information to the RHUB where M1 RRU.With M1 RRU institute Any of RHUB (such as first RHUB) for, from the N being connect with first RHUB and the first standard is opened₁It is a The P for needing to close the first standard is determined in RRU₁A RRU sends to first RHUB and closes energy-saving information, closes energy-saving information It is used to indicate P₁Each RRU in a RRU closes the first standard, wherein P₁For positive integer and P₁=N₁-S₁, M1 RRU includes P₁It is a RRU.First RHUB can be used for respectively to P₁A RRU sends energy saving closing information.P₁Each RRU in a RRU, for connecing The energy saving closing information for receiving first RHUB transmission closes the first standard according to energy saving closing information.

For example, in the scene of Fig. 2, it is assumed that the LTE standard of second group of all RRU is in open state, second In n2 RRU of group, RRU n1+1 is connect with RHUB1 and others (n2-1) a RRU is connect with RHUB2 respectively, current RHUB1 It is combined mode according to the radio frequency of the 1 of unlatching RRU setting LTE standard, LTE system is arranged according to (n2-1) a RRU of unlatching in RHUB2 The radio frequency of formula is combined mode.BBU detects the number of user equipment of the Uu mouth load or connection of RRU n1+2 within a certain period of time Or data throughout is always 0, determines and needs to close RRU n1+2, BBU sends energy saving closing information to RHUB2, to indicate RRU N1+2 closes LTE standard, and RHUB2 is set after the energy saving closing information for receiving BBU transmission according to (n2-2) a RRU of unlatching The radio frequency combining mode of LTE standard is set, and sends energy saving closing information to RRU n1+2, RRU n1+2 is receiving energy saving closing LTE standard is closed after information.

Illustratively, control equipment 304 can be further used for from N number of RRU that the first standard is in closed state It determines M2 RRU for needing to open the first standard, sends energy saving opening imformation to the RHUB where M2 RRU.With M1 RRU institute RHUB in any one RHUB(such as first RHUB) for, from connecting with first RHUB and the first standard is turned off N₁The S for needing to open the first standard is determined in a RRU₁A RRU sends energy saving opening imformation to first RHUB, and letter is opened in energy conservation Breath is used to indicate S₁Each RRU in a RRU opens the first standard, and M2 RRU includes S₁A RRU.First RHUB can be used for Respectively to S₁A RRU sends energy saving opening imformation.S₁Each RRU in a RRU, for receiving the energy conservation of first RHUB transmission Opening imformation opens the first standard according to energy saving closing information.

Illustratively, in the case that each RRU supports at least two standards in N number of RRU, at least two standards include the One standard and the second standard, such as the first standard is LTE standard and the second standard is WCDMA standard；Or first standard be WCDMA Standard and the second standard are LTE standard.Control equipment 304 can be also used for determining needs from M2 RRU for opening the first standard W RRU for carrying out standard switching will be carried out under the first standard of the W RRU with user equipment by the RHUB where W RRU Service switching to the second standard and close the first standard.

For example, when the utilization rate of the Physical Resource Block of the Uu mouth of RRU is less than or equal to first resource threshold value or RRU The number of user equipment of connection determines that the RRU needs to switch from the first standard when being less than or equal to the first number threshold value To the second standard.

By any one RHUB(in the RHUB where W RRU such as first RHUB) for, control equipment 304 may be used also With the S for opening the first standard from first RHUB₁The W for needing to carry out standard switching is determined in a RRU₁A RRU, to first A RHUB sends the first energy saving handover information, and the first energy saving handover information is used to indicate W₁Each RRU in a RRU makes first The user equipment of formula is switched to the second standard and closes the first standard, W₁For positive integer and W₁Less than or equal to S₁.First RHUB The the first energy saving handover information that can be also used for the transmission of receiving control apparatus 304, according to the S of unlatching₁-W₁A the first system of RRU setting The radio frequency of formula is combined mode, and the first energy saving handover information is sent to W respectively₁A RRU.W₁Each RRU in a RRU may be used also For the user equipment of the first standard to be switched to the second standard and closes the first standard.

Specifically, W₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of RRU Utilization rate is less than or equal to first resource threshold value, and the number of user equipment of RRU connection is less than or equal to the first number threshold value, The data throughout of RRU is less than or equal to the first throughput threshold value and the currently used power of RRU is less than or equal to first Power threshold.

For example, in the scene of Fig. 1, it is assumed that all RRU in the RRU group 1 support two kinds of standards, are WCDMA system respectively Formula and LTE standard, wherein the LTE standard of the RRU0-4 in the RRU of the 8 of the group is in closed state, the LTE standard of RRU5-7 It is in open state, current RHUB is combined mode according to the radio frequency that LTE standard is arranged in 3 RRU of unlatching.BBU is detected RRU7 is lower than certain threshold value in the load of LTE standard in certain time, and such as number of user equipment of connection is less than the first number The utilization rate of threshold value or Uu mouthfuls of Physical Resource Block is measured less than 10%, determines that RRU7 needs to carry out standard switching, BBU to RHUB sends the first energy saving handover information, to indicate that the user equipment of LTE standard is switched to WCDMA standard by RRU7.RHUB exists After the first energy saving handover information for receiving BBU transmission, mode is combined according to the radio frequency of the 2 of unlatching RRU setting LTE standards； It is similar with LTE standard accordingly for the radio frequency combining mode of WCDMA standard, according to unlatching WCDMA as at the RHUB The radio frequency combining of the RRU setting WCDMA standard of standard.First energy saving handover information is sent to RRU7 by RHUB, and RRU7 is being received The user equipment of LTE standard is switched to WCDMA standard after to the first energy saving handover information, and closes LTE standard.

Therefore, it when RRU has multiple types, and less under the first standard is still set in the user for carrying out wireless traffic It is standby to be switched in the standard of the other unlatchings of the same RRU, in such manner, it is possible to close the first standard of the RRU, realizes energy conservation, avoid Electric power resource waste.

Illustratively, control equipment 304 can be also used for needing to open first from the M1 RRU determination for closing the first standard K RRU of standard.For example, when the utilization rate of the Physical Resource Block of the Uu mouth of RRU is greater than Secondary resource threshold value or RRU company The number of user equipment connect determines that the RRU needs to open the first standard when being greater than the second number threshold value.

By any one RHUB(in the RHUB where K RRU such as first RHUB) for, control equipment 304 may be used also With (the N for closing the first standard from first RHUB₁-S₁) K for needing to open the first standard is determined in a RRU₁A RRU, to First RHUB sends the second energy saving handover information, and the second energy saving handover information is used to indicate K₁Each RRU in a RRU is opened First standard, K₁For less than or equal to N₁-S₁Positive integer.First RHUB can be also used for the transmission of receiving control apparatus 304 Second energy saving handover information, according to the S of unlatching₁+K₁A RRU is arranged the first standard radio frequency and is combined mode, and respectively by the second energy conservation Handover information is sent to K₁A RRU.K₁Each RRU in a RRU can be also used for opening the first standard.

Specifically, K₁Each RRU in a RRU meets at least one following condition: the Physical Resource Block of the Uu mouth of RRU Utilization rate is greater than Secondary resource threshold value, and the number of user equipment of RRU connection is greater than the second number threshold value, and the data of RRU gulp down The amount of spitting is greater than the second throughput threshold value and the currently used power of RRU is greater than the second power threshold.

For example, in the scene of Fig. 1, it is assumed that all RRU in the RRU group 1 support two kinds of standards, are WCDMA system respectively Formula and LTE standard, wherein the LTE standard of the RRU0-4 in the RRU of the 8 of the group is in closed state, the LTE standard of RRU5-7 It is in open state, current RHUB is combined mode according to the radio frequency that LTE standard is arranged in 3 RRU of unlatching.BBU is detected RRU4 is greater than certain threshold value in the load of WCDM standard in certain time, and such as number of user equipment of connection is greater than the second number The utilization rate of threshold value or Uu mouthful of Physical Resource Block is measured greater than 70%, determines that RRU4 needs to open LTE standard, BBU is to RHUB The second energy saving handover information is sent, to indicate that RRU4 opens LTE standard.RHUB is in the second energy conservation switching for receiving BBU transmission After information, mode is combined according to the radio frequency of the 4 of unlatching RRU setting LTE standards；It is closed accordingly for the radio frequency of WCDMA standard Road mode is similar with LTE standard, and the as RHUB is closed according to the radio frequency for the RRU setting WCDMA standard for opening WCDMA standard Road.Second energy saving handover information is sent to RRU4 by RHUB, and RRU4 is receiving the second energy saving handover information unlatching LTE standard, It is alternatively possible to which certain user's equipment under WCDMA standard is switched to LTE standard.

In another example in the scene of Fig. 1, it is assumed that all RRU in the RRU group 1 support LTE standard, wherein the 8 of the group The LTE standard of RRU0-4 in RRU is in closed state, and the LTE standard of RRU5-7 is in open state, current RHUB root Mode is combined according to the radio frequency of 3 RRU setting LTE standard of unlatching.BBU detects that RRU4 has in LTE standard within a certain period of time User equipment access determines that RRU4 needs to open LTE standard, and BBU sends the second energy saving handover information to RHUB, to indicate RRU4 Open LTE standard.LTE system is arranged according to the 4 of unlatching RRU after the second energy saving handover information for receiving BBU transmission in RHUB The radio frequency of formula is combined mode.Second energy saving handover information is sent to RRU4 by RHUB, and RRU4 is receiving the second energy conservation switching letter LTE standard is opened after breath.

For another example in the scene of Fig. 2, within the period of business idle, it is assumed that RRU n1 in second group of all RRU The LTE standard of+1 and RRU n1+2 is in close state, and the LTE standard of other RRU is in the open state, at second group of n2 In RRU, RRU n1+1 is connect with RHUB1 and others (n2-1) a RRU is connect with RHUB2 respectively.In the time of business idle After section, optionally, BBU can issue open command to RHUB1 and RHUB2 respectively, to indicate RRU n1+1 and RRU n1+ 2 open LTE standard, and correspondingly, RHUB1 and RHUB2 setting radio frequency are combined mode, can specifically refer to above-mentioned example, herein It repeats no more.

It should be understood that above-mentioned example is only exemplary, and have to limit the scope of the invention.

Illustratively, the load information of RRU may include at least following one kind: the Physical Resource Block of the Uu mouth of RRU makes With rate, the number of user equipment of RRU connection, the data throughout of RRU and the currently used power of RRU.It should be understood that this hair Bright embodiment does not limit this.

Specifically, control equipment 304 can be further used for: when one or more RRU in cell within a certain period of time The number of user equipment of connection is less than or equal to above-mentioned first number threshold value or data throughout is less than or equal to above-mentioned first When throughput threshold value or the utilization rate of Uu mouthfuls of Physical Resource Block are less than or equal to above-mentioned first resource threshold value, determine and close The first standard of one or more RRU.Alternatively, the user that one or more RRU in cell are connected within a certain period of time Number of devices is greater than the second number threshold value or data throughout is greater than the second throughput threshold value or Uu mouthfuls of Physical Resource Block Utilization rate be greater than Secondary resource threshold value when, determine open one or more RRU the first standard.

It is alternatively possible to periodically carry out the load information of RRU in statistics cell.

Optionally, control equipment can in the period of predefined business idle, as 0 point of morning to 6:00 AM when Between section, carry out the control of power save mode, at other times section, support the first standard of all RRU in the RRU group an of cell Open.

In this way, can be determined by the load information of RRU in cell support the cell RRU group in RRU certain system The opening and closing of formula, or the switching between different systems, to improve the flexibility of system.

Fig. 4 is the schematic diagram of the control equipment of one embodiment of the invention.The control equipment 400 of Fig. 4 is above-mentioned The example that equipment is controlled in energy conserving system, can be base station, such as BBU, is also possible to base station controller.Control equipment 400 Including determination unit 401 and control unit 402.

Determination unit 401 is used for the power save mode according to the determining N number of RRU for belonging to the same cell of the load information of RRU, Wherein control equipment 400 be connected respectively with N number of RRU by L RHUB, i-th of RHUB in L RHUB respectively with N number of RRU In N_iA RRU is connected, and L is positive integer, and N is the integer more than or equal to 2, and i is positive integer and value is from 1 to L, N_iIt is positive Integer andEach RRU supports that at least one standard, at least one standard include the first standard in N number of RRU.

Control unit 402 is used to control the power save mode for N number of RRU that determination unit 401 determines by L RHUB, so that N The first standard of each RRU in M1 RRU in a RRU is in close state, the first system of each RRU in M2 RRU Formula is in the open state, and wherein M1 and M2 is positive integer and M1+M2=N.

In other words, control unit 402 is used to control the power save mode of one group of RRU by least one RHUB, so that should A part of RRU in group RRU the first standard is in the open state and the first standard of another part RRU is in close state.

Optionally, i-th of RHUB is used for according to N_iThe S opened in a RRU_iThe first system of i-th of RHUB is arranged in a RRU The radio frequency of formula is combined mode, i.e. RHUB is in up direction by S_iThe upstream baseband data of a RRU merges, and incites somebody to action in down direction Base band data carries out duplication and is distributed to the S_iA RRU.S_iFor nonnegative integer andM2 RRU includes S_iA RRU.I.e. RHUB is penetrated according to connecting with the RHUB and belong to the RRU that the first standard of the RRU group is opened first standard of the RHUB is arranged Frequency combining mode.

It should be understood that the RRU opened can be one or more RRU, naturally it is also possible to be 0, indicate to belong to this under the RHUB The first standard of all RRU of RRU group is in closed state.

It should be noted that control equipment 400 can be used for controlling N number of RRU in the power save mode of the first standard, specifically Ground, the first standard of N number of RRU to the above-mentioned M1 RRU that can open from the first standard are in close state with M2 RRU's First standard is in the open state；From the first standard for the N number of RRU to above-mentioned M1 RRU that can also be turned off from the first standard It is in the open state in the first standard of closed state and M2 RRU；It can also be from the first standard of M3 RRU in N number of RRU The first standard that in the open state and M4 RRU the first standard is in close state above-mentioned M1 RRU, which is in, closes shape State and the first standard of M2 RRU are in the open state, and wherein M3 and M4 is positive integer and N=M3+M4.It should be understood that the present invention Embodiment does not limit this.

Based on above scheme, the embodiment of the present invention realizes energy conservation with the granularity of RRU, is belonging to the multiple of the same cell In RRU, it can be realized part RRU and open the first standard, part RRU closes the first standard, to improve the flexible of energy conserving system Property, and to can be achieved with user equipment small at this for the first standard without opening all RRU for belonging to same cell deployment Therefore the business in area can efficiently reduce energy consumption, avoid the waste of electric power resource.

The control equipment 400 can be realized the function that control equipment is related in above-mentioned energy conserving system and will fit to avoid repeating When the omission description similar with above-mentioned energy conserving system.

Optionally, as one embodiment, determination unit 401 can be further used for being in opening state from the first standard M1 RRU for needing to close the first standard is determined in N number of RRU of state；Control unit 402 is specifically used for by where M1 RRU RHUB send energy saving closing information to control the power save mode of RRU.

Specifically, by any one RHUB(in the RHUB where M1 RRU such as first RHUB) for be illustrated, really Order member 401 can be specifically used for from the N connecting with first RHUB and the first standard is opened₁Determination needs to close in a RRU Close the P of the first standard₁A RRU.Control unit 402, which can be specifically used for sending to first RHUB, closes energy-saving information, so as to RHUB is according to the S of unlatching₁The radio frequency that the first standard is arranged in a RRU is combined mode, and respectively to P₁A RRU sends energy conservation and closes letter Breath closes energy-saving information and is used to indicate P₁Each RRU in a RRU closes the first standard, wherein P₁For positive integer and P₁=N₁-S₁, M1 RRU includes P₁A RRU.

Optionally, as another embodiment, in the case that each RRU supports at least two standards in N number of RRU, until Few two kinds of standards include the first standard and the second standard, and such as the first standard is LTE standard and the second standard is WCDMA standard；Or The first standard of person is WCDMA standard and the second standard is LTE standard.Determination unit 401 can be also used for from opening the first standard M2 RRU is determined and is needed to carry out W RRU of standard switching, control unit 402 can be also used for by where W RRU User equipment under the first standard of the W RRU is switched to the second standard by RHUB, and closes the first standard.

By any one RHUB(in the RHUB where W RRU such as first RHUB) for, determination unit 401 may be used also With the S for opening the first standard from first RHUB₁The W for needing to carry out standard switching is determined in a RRU₁A RRU, control are single Member 402 can be also used for sending the first energy saving handover information to first RHUB, and the first energy saving handover information is used to indicate W₁It is a The user equipment of first standard is switched to the second standard and closes the first standard, W by each RRU in RRU₁For positive integer and W₁ Less than or equal to S₁.First RHUB is according to the S of unlatching₁-W₁The radio frequency that the first standard is arranged in a RRU is combined mode, and respectively will First energy saving handover information is sent to W₁A RRU, the first energy saving handover information are used to indicate W₁Each RRU in a RRU is by first The user equipment of standard is switched to the second standard and closes the first standard.Specifically, W₁Each RRU in a RRU meets following At least one condition: the utilization rate of the Physical Resource Block of the Uu mouth of RRU is less than or equal to first resource threshold value, RRU connection Number of user equipment is less than or equal to the first number threshold value, and the data throughout of RRU is less than or equal to the first throughput threshold The currently used power of value and RRU are less than or equal to the first power threshold.

Optionally, as another embodiment, determination unit 401 be can be also used for from M1 RRU for closing the first standard Determine K RRU for needing to open the first standard.For example, when the utilization rate of the Physical Resource Block of the Uu mouth of RRU is greater than Secondary resource Threshold value or the number of user equipment of RRU connection determine that the RRU needs to open the when being greater than the second number threshold value One standard.

By any one RHUB(in the RHUB where K RRU such as first RHUB) for, determination unit 401 may be used also With (the N for closing the first standard from first RHUB₁-S₁) K for needing to open the first standard is determined in a RRU₁A RRU.Control Unit 402 processed can be also used for sending the second energy saving handover information to first RHUB, and the second energy saving handover information is used to indicate K₁Each RRU in a RRU opens the first standard, K₁For less than or equal to N₁-S₁Positive integer.First RHUB is according to unlatching S₁+K₁A RRU is arranged the first standard radio frequency and is combined mode, and the second energy saving handover information is sent to K respectively₁A RRU.K₁ Each RRU in a RRU can be also used for opening the first standard.Specifically, K₁Each RRU in a RRU meet it is following at least One condition: the utilization rate of the Physical Resource Block of the Uu mouth of RRU is greater than Secondary resource threshold value, the user device quantity of RRU connection Amount is greater than the second number threshold value, and the data throughout of RRU is greater than the second throughput threshold value and the currently used function of RRU Rate is greater than the second power threshold.

Optionally, as another embodiment, the load information of RRU may include at least following one kind: the Uu mouth of RRU The utilization rate of Physical Resource Block, the number of user equipment of RRU connection, the data throughout of RRU and the currently used function of RRU Rate.

Optionally, control equipment can periodically count the load information of RRU in cell.Optionally, control equipment can To carry out the control of power save mode such as 0 point of morning to 6:00 AM of period in the period of predefined business idle, Other time section, supports the first standard of all RRU in the RRU group an of cell to open.

Specific embodiment can refer to the embodiment of Fig. 3, and details are not described herein again.

Fig. 5 is the schematic diagram of the Remote Radio Unit hub of one embodiment of the invention.The RHUB500 of Fig. 5 It is an example of RHUB in above-mentioned energy conserving system, the N in the RHUB and the N number of RRU for belonging to the same cell₁A RRU is connected It connects, N is the integer more than or equal to 2, N₁For the positive integer less than or equal to N, which includes receiving unit 501 and determines single Member 502.

Receiving unit 501, in the power save mode for obtaining N number of RRU that control equipment is controlled according to the load information of RRU N₁The power save mode of a RRU, wherein the first standard of each RRU in M1 RRU in N number of RRU is in close state, M2 The first standard of each RRU in a RRU is in the open state, and M1 and M2 are positive integer and M1+M2=N.

Determination unit 502, the N for being obtained according to receiving unit 501₁The power save mode of a RRU determines N₁Have in a RRU S₁The first standard of a RRU is in the open state, S₁For less than or equal to N₁Nonnegative integer, M2 RRU includes S₁A RRU.

It should be noted that control equipment controls the section of one group of RRU according to the load information of RRU by least one RHUB Can state so that the first standard of a part of RRU in this group of RRU is in the open state and the first standard of another part RRU It is in close state.Specifically, the load information of RRU may include at least following one kind: the Physical Resource Block of the Uu mouth of RRU Utilization rate, the number of user equipment of RRU connection, the data throughout of RRU and the currently used power of RRU.

Optionally, control equipment can periodically count the load information of RRU in cell.

It, specifically, can be with it should also be noted that, control equipment can control N number of RRU in the power save mode of the first standard The first standard of the N number of RRU opened from the first standard to above-mentioned M1 RRU are in close state the first system with M2 RRU Formula is in the open state；The first standard for the N number of RRU to above-mentioned M1 RRU that can also be turned off from the first standard, which is in, closes State and the first standard of M2 RRU are in the open state；It can also be in and open from the first standard of M3 RRU in N number of RRU The first standard for opening state and M4 RRU is in close state the first standard of above-mentioned M1 RRU and is in close state and M2 The first standard of a RRU is in the open state, and wherein M3 and M4 is positive integer and N=M3+M4.It should be understood that the embodiment of the present invention This is not limited.

The RHUB500 can be realized the function that RHUB is related in above-mentioned energy conserving system, to avoid repeating, will suitably omit with Similar description in above-mentioned energy conserving system.

Optionally, as one embodiment, in the N of RHUB connection₁In the case that a RRU is in open state, receive Unit 501 can be further used for the energy saving closing information of receiving control apparatus transmission, close energy-saving information and be used to indicate N₁It is a P in RRU₁Each RRU in a RRU closes the first standard, wherein P₁For positive integer and P₁=N₁-S₁.Determination unit 502 may be used also With the S for being opened according to section₁The radio frequency combining mode of the first standard of the RHUB is arranged in a RRU.RHUB can also include the One transmission unit 503, the first transmission unit 503 are used for respectively to P₁A RRU sends energy saving closing information, so as to P₁A RRU is connecing The first standard is closed after receiving energy saving closing information.

It should be pointed out that RHUB is combined according to the radio frequency of the RRU for opening the first standard the first standard that the RHUB is arranged Mode, the i.e. RHUB are in up direction by the S of unlatching₁The upstream baseband data of a RRU merges, in down direction by base band Data carry out duplication and are distributed to the S₁A RRU.It should be understood that the RRU opened can be one or more RRU, naturally it is also possible to it is 0, Indicate that the first standard for all RRU for belonging to the RRU group under the RHUB is in closed state.

Optionally, as another embodiment, in the case that each RRU supports at least two standards in N number of RRU, until Few two kinds of standards include the first standard and the second standard, and such as the first standard is LTE standard and the second standard is WCDMA standard；Or The first standard of person is WCDMA standard and the second standard is LTE standard.Receiving unit 501 can be also used for receiving control apparatus hair The energy saving handover information of first sent, the first energy saving handover information are used to indicate S₁W in a RRU₁Each RRU in a RRU is by first The user equipment of standard is switched to the second standard, W₁For positive integer and W₁Less than or equal to S₁.Determination unit 502 can be used for root According to the S of unlatching₁-W₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU.RHUB further includes second Transmission unit 504, the second transmission unit 504 can be also used for that the first energy saving handover information is sent to W respectively₁A RRU, so as to W₁The user equipment of first standard is switched to the second standard and closes the first standard by each RRU in a RRU.

Optionally, as another embodiment, receiving unit 501 can be also used for the second section of receiving control apparatus transmission Energy handover information, the second energy saving handover information are used to indicate the K that RHUB is closed in the RRU of the first standard₁Each of a RRU RRU opens the first standard, K₁For less than or equal to N₁-S₁Positive integer.Determination unit 502 is according to the S of unlatching₁+K₁A RRU setting The first standard radio frequency of first RHUB is combined mode.RHUB further includes third transmission unit 505 for respectively by the second energy conservation Handover information is sent to K₁A RRU, so as to K₁Each RRU in a RRU can be also used for opening the first standard.

Fig. 6 is the schematic diagram of the control equipment of another embodiment of the present invention.On the control equipment 600 of Fig. 6 is An example for controlling equipment in energy conserving system is stated, base station, such as BBU is can be, is also possible to base station controller.Control equipment 600 include processor 601, memory 602 and transceiver 603.Processor 601 controls the operation of equipment 600, and processor 601 is also It is properly termed as CPU(Central Processing Unit, central processing unit).Memory 602 may include read-only memory And random access memory, and instruction and data is provided to processor 601.The a part of of memory 602 can also include non-easy It loses row random access memory (NVRAM).Processor 601, memory 602 and transceiver 603 are coupled in by bus system 610 Together, wherein bus system 610 further includes power bus, control bus and status signal bus in addition in addition to including data/address bus. But for the sake of clear explanation, various buses are all designated as bus system 610 in figure.

Wherein, processor 601 may be a kind of IC chip, the processing capacity with signal.During realization, Each step of the above method can be complete by the integrated logic circuit of the hardware in processor 601 or the instruction of software form At.Above-mentioned processor 601 can be general processor, including CPU, NP(Network Processor, network processing unit) Deng；Can also be DSP(Digital Signal Processing, digital signal processor), ASIC(Application Specific Integrated Circuit, specific integrated circuit), FPGA(Field Programmable Gate Array, Ready-made programmable gate array) either other programmable logic device, discrete gate or transistor logic, discrete hardware group Part.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be with It is that microprocessor or the processor are also possible to any conventional processor etc..

In this embodiment, processor 601 is for determining the power save mode for belonging to N number of RRU of the same cell, wherein controlling Control equipment 600 is connected with N number of RRU respectively by L RHUB, i-th of RHUB in L RHUB respectively with the N in N number of RRU_i A RRU is connected, and L is positive integer, and N is the integer more than or equal to 2, and i is positive integer and value is from 1 to L, N_iFor positive integer andEach RRU supports that at least one standard, at least one standard include the first standard in N number of RRU.Processor 601 It is also used to the power save mode according to the load information of RRU by the determining N number of RRU of L RHUB control, so that the M1 in N number of RRU The first standard of each RRU in a RRU is in close state, and the first standard of each RRU in M2 RRU is in opening state State.

In other words, processor 601 is used to control the power save mode of one group of RRU by least one RHUB, so that the group The first standard of a part of RRU in RRU is in the open state and the first standard of another part RRU is in close state.

It should be noted that control equipment 600 can be used for controlling N number of RRU in the power save mode of the first standard, specifically Ground, the first standard of N number of RRU to the above-mentioned M1 RRU that can open from the first standard are in close state with M2 RRU's First standard is in the open state；From the first standard for the N number of RRU to above-mentioned M1 RRU that can also be turned off from the first standard It is in the open state in the first standard of closed state and M2 RRU；It can also be from the first standard of M3 RRU in N number of RRU The first standard that in the open state and M4 RRU the first standard is in close state above-mentioned M1 RRU, which is in, closes shape State and the first standard of M2 RRU are in the open state, and wherein M3 and M4 is positive integer and N=M3+M4.It should be understood that the present invention Embodiment does not limit this.

The control equipment 600 can be realized the function that control equipment is related in above-mentioned energy conserving system and will fit to avoid repeating When the omission description similar with above-mentioned energy conserving system.

Optionally, as one embodiment, processor 601 can be further used for being in open state from the first standard N number of RRU in determine and need to close M1 RRU of the first standard；Processor 601 can be used for through transceiver 603 to M1 RHUB where RRU sends energy saving closing information to control the power save mode of RRU.

Specifically, by any one RHUB(in the RHUB where M1 RRU such as first RHUB) for be illustrated, locate Managing device 601 can be specifically used for from the N connecting with first RHUB and the first standard is opened₁Determination needs to close in a RRU The P of first standard₁A RRU.Transceiver 603, which can be specifically used for sending to first RHUB, closes energy-saving information, so as to RHUB The first standard radio frequency is combined mode from N according to energy-saving information is closed₁The radio frequency combining of a RRU is changed to S₁The radio frequency of a RRU closes Road, and respectively to P₁A RRU sends energy saving closing information, closes energy-saving information and is used to indicate P₁Each RRU in a RRU is closed First standard, wherein P₁For positive integer and P₁=N₁-S₁, M1 RRU includes P₁A RRU.

Optionally, as another embodiment, in the case that each RRU supports at least two standards in N number of RRU, until Few two kinds of standards include the first standard and the second standard, and such as the first standard is LTE standard and the second standard is WCDMA standard；Or The first standard of person is WCDMA standard and the second standard is LTE standard.Processor 601 can be also used for from the first standard of unlatching M2 RRU determines W RRU for needing to carry out standard switching, by the RHUB where W RRU by the first standard of the W RRU Under user equipment be switched to the second standard, and close the first standard.

By any one RHUB(in the RHUB where W RRU such as first RHUB) for, processor 601 can be with For opening the S of the first standard from first RHUB₁The W for needing to carry out standard switching is determined in a RRU₁A RRU, transceiver 603 It can be also used for sending the first energy saving handover information to first RHUB, the first energy saving handover information is used to indicate W₁In a RRU Each RRU by the user equipment of the first standard be switched to the second standard and close the first standard, W₁For positive integer and W₁Be less than or Equal to S₁.The S that first RHUB is opened₁-W₁The radio frequency that the first standard is arranged in a RRU is combined mode, and respectively cuts the first energy conservation It changes information and is sent to W₁A RRU, the first energy saving handover information are used to indicate W₁Each RRU in a RRU is by the user of the first standard Equipment is switched to the second standard and closes the first standard.Specifically, W₁Each RRU in a RRU meet it is following at least one Part: the utilization rate of the Physical Resource Block of the Uu mouth of RRU is less than or equal to first resource threshold value, the user device quantity of RRU connection Amount is less than or equal to the first number threshold value, and the data throughout of RRU is less than or equal to the first throughput threshold value and RRU Currently used power be less than or equal to the first power threshold.

Optionally, as another embodiment, processor 601 can be also used for true from M1 RRU for closing the first standard Surely need to open K RRU of the first standard.For example, when the utilization rate of the Physical Resource Block of the Uu mouth of RRU is greater than Secondary resource door Limit value or the number of user equipment of RRU connection determine that the RRU needs to open first when being greater than the second number threshold value Standard.

By any one RHUB(in the RHUB where K RRU such as first RHUB) for, processor 601 can be with For closing (the N of the first standard from first RHUB₁-S₁) K for needing to open the first standard is determined in a RRU₁A RRU.Transmitting-receiving Device 603 can be also used for sending the second energy saving handover information to first RHUB, and the second energy saving handover information is used to indicate K₁It is a Each RRU in RRU opens the first standard, K₁For less than or equal to N₁-S₁Positive integer.First RHUB is according to the S of unlatching₁+ K₁A RRU is arranged the first standard radio frequency and is combined mode, and the second energy saving handover information is sent to K respectively₁A RRU.K₁A RRU In each RRU, can be also used for open the first standard.Specifically, K₁Each RRU in a RRU meet it is following at least one Condition: the utilization rate of the Physical Resource Block of the Uu mouth of RRU is greater than Secondary resource threshold value, and the number of user equipment of RRU connection is big In the second number threshold value, the data throughout of RRU is greater than the second throughput threshold value and the currently used power of RRU is big In the second power threshold.

It is alternatively possible to periodically count the load information of RRU in cell.

Fig. 7 is the schematic diagram of the Remote Radio Unit hub of another embodiment of the present invention.Fig. 7's RHUB700 is an example of RHUB in above-mentioned energy conserving system, the N in the RHUB and the N number of RRU for belonging to the same cell₁It is a RRU is connected, and N is the integer more than or equal to 2, N₁For the positive integer less than or equal to N, which includes processor 701, memory 702 and transceiver 703.Processor 701 controls the operation of equipment 700, and processor 701 can also be known as CPU (Central Processing Unit, central processing unit).Memory 702 may include read-only memory and arbitrary access Memory, and instruction and data is provided to processor 701.The a part of of memory 702 can also include that non-volatile row is deposited at random Access to memory (NVRAM).Processor 701, memory 702 and transceiver 703 are coupled by bus system 710, wherein Bus system 710 further includes power bus, control bus and status signal bus in addition in addition to including data/address bus.But in order to For the sake of clear explanation, various buses are all designated as bus system 710 in figure.

Wherein, processor 701 may be a kind of IC chip, the processing capacity with signal.During realization, Each step of the above method can be complete by the integrated logic circuit of the hardware in processor 701 or the instruction of software form At.Above-mentioned processor 701 can be general processor, including CPU, NP etc.；Can also be DSP, ASIC, FPGA or other Programmable logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute and is of the invention real Apply disclosed each method, step and the logic diagram in example.General processor can be microprocessor or the processor can also To be any conventional processor etc..

In this embodiment, transceiver 703 is used to obtain the N number of RRU's for controlling that equipment is controlled according to the load information of RRU N in power save mode₁The power save mode of a RRU, wherein the first standard of each RRU in M1 RRU in N number of RRU is in First standard of closed state, each RRU in M2 RRU is in the open state, and M1 and M2 are positive integer and M1+M2=N. Processor 701 is used for the N obtained according to transceiver 703₁The power save mode of a RRU determines N₁There is S in a RRU₁The first of a RRU Standard is in the open state, S₁For less than or equal to N₁Nonnegative integer, M2 RRU includes S₁A RRU.

The RHUB700 can be realized the function that RHUB is related in above-mentioned energy conserving system, to avoid repeating, will suitably omit with Similar description in above-mentioned energy conserving system.

Optionally, as one embodiment, in the N of RHUB connection₁In the case that a RRU is in open state, transmitting-receiving Device 703 can be further used for the energy saving closing information of receiving control apparatus transmission, close energy-saving information and be used to indicate N₁A RRU In P₁Each RRU in a RRU closes the first standard, wherein P₁For positive integer and P₁=N₁-S₁.Processor 701 can be also used for The S opened according to section₁The radio frequency combining mode of the first standard of the RHUB is arranged in a RRU.Transceiver 703 can be also used for distinguishing To P₁A RRU sends energy saving closing information, so as to P₁A RRU closes the first standard after receiving energy saving closing information.

Optionally, as another embodiment, in the case that each RRU supports at least two standards in N number of RRU, until Few two kinds of standards include the first standard and the second standard, and such as the first standard is LTE standard and the second standard is WCDMA standard；Or The first standard of person is WCDMA standard and the second standard is LTE standard.Transceiver 703 can be also used for receiving control apparatus transmission The first energy saving handover information, the first energy saving handover information is used to indicate S₁W in a RRU₁Each RRU in a RRU makes first The user equipment of formula is switched to the second standard, W₁For positive integer and W₁Less than or equal to S₁.Processor 701 can be used for basis and open The S opened₁-W₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU.Transceiver 703 can be also used for The first energy saving handover information is sent to W respectively₁A RRU, so as to W₁Each RRU in a RRU is by the user equipment of the first standard It is switched to the second standard and closes the first standard.

Optionally, as another embodiment, transceiver 703 can be also used for the second energy conservation of receiving control apparatus transmission Handover information, the second energy saving handover information are used to indicate the K that RHUB is closed in the RRU of the first standard₁Each RRU in a RRU Open the first standard, K₁For less than or equal to N₁-S₁Positive integer.Processor 701 can be used for the S according to unlatching₁+K₁A RRU The first standard radio frequency combining mode of first RHUB is set.Transceiver 703 can be also used for the second energy conservation switching letter respectively Breath is sent to K₁A RRU, so as to K₁Each RRU in a RRU can be also used for opening the first standard.

Fig. 8 is the flow chart of the power-economizing method of the distributed base station of one embodiment of the invention.This method can be by above-mentioned Energy conserving system executes.

801, control equipment controls the power save mode of N number of RRU according to the load information of RRU by L RHUB, so that the N The first standard of each RRU in M1 RRU in a RRU is in close state, the first system of each RRU in M2 RRU Formula is in the open state, and each RRU supports that at least one standard, at least one standard include the first standard in N number of RRU, and N is Integer more than or equal to 2, M1 and M2 are positive integer and M1+M2=N.

Wherein, i-th of RHUB in L RHUB respectively with the N in N number of RRU_iA RRU is connected, and i is positive integer and takes Value is from 1 to L, N_iFor positive integer and

In other words, control equipment controls the energy saving shape of one group of RRU according to the load information of RRU by least one RHUB State, so that the first standard of a part of RRU in this group of RRU is in the open state and the first standard of another part RRU is in Closed state.

It should be noted that control equipment can control N number of RRU in the power save mode of the first standard, specifically, Ke Yicong The first standard of N number of RRU that first standard is opened to above-mentioned M1 RRU are in close state the first standard with M2 RRU It is in the open state；The first standard for the N number of RRU to above-mentioned M1 RRU that can also be turned off from the first standard, which is in, closes shape State and the first standard of M2 RRU are in the open state；It can also be in and open from the first standard of M3 RRU in N number of RRU The first standard that state and the first standard of M4 RRU are in close state above-mentioned M1 RRU is in close state and M2 The first standard of RRU is in the open state, and wherein M3 and M4 is positive integer and N=M3+M4.It should be understood that the embodiment of the present invention pair This is not limited.

The method of Fig. 8 can be realized by the energy conserving system in Fig. 3, therefore suitably omit repetitive description.

Optionally, as another embodiment, N number of RRU that equipment can be in open state from the first standard is controlled Middle determination needs to close M1 RRU of the first standard, sends energy saving closing information to the RHUB where M1 RRU.With M1 RRU For any of RHUB at place (such as first RHUB), from the N being connect with first RHUB and the first standard is opened₁ The P for needing to close the first standard is determined in a RRU₁A RRU sends to first RHUB and closes energy-saving information, closes energy conservation letter Breath is used to indicate P₁Each RRU in a RRU closes the first standard, wherein P₁For positive integer and P₁=N₁-S₁, M1 RRU includes P₁ A RRU.First RHUB can be according to the S of unlatching₁A RRU is arranged the first standard radio frequency and is combined mode, and respectively to P₁A RRU Send energy saving closing information.P₁Each RRU in a RRU receives the energy saving closing information of first RHUB transmission, according to energy conservation Closing information closes the first standard.

Optionally, as another embodiment, the N number of of closed state can also be in from the first standard by controlling equipment M2 RRU for needing to open the first standard is determined in RRU, sends energy saving opening imformation to the RHUB where M2 RRU.With M1 Any one RHUB(such as first RHUB in RHUB where RRU) for, from being connect with first RHUB and the first standard is equal The N of closing₁The S for needing to open the first standard is determined in a RRU₁A RRU sends energy saving opening imformation, energy conservation to first RHUB Opening imformation is used to indicate S₁Each RRU in a RRU opens the first standard, and M2 RRU includes S₁A RRU.First RHUB can According to the S of unlatching₁A RRU is arranged the first standard radio frequency and is combined mode, and respectively to S₁A RRU sends energy saving opening imformation.S₁ Each RRU in a RRU receives the energy saving opening imformation of first RHUB transmission, opens the first system according to energy saving closing information Formula.

Optionally, as another embodiment, in the case that each RRU supports at least two standards in N number of RRU, until Few two kinds of standards include the first standard and the second standard, and such as the first standard is LTE standard and the second standard is WCDMA standard；Or The first standard of person is WCDMA standard and the second standard is LTE standard.Controlling equipment can also be a from the M2 for opening the first standard RRU, which is determined, needs to carry out W RRU of standard switching, by the RHUB where W RRU by under the first standard of the W RRU and The service switching that user equipment carries out is to the second standard and closes the first standard.For example, work as the Physical Resource Block of the Uu mouth of RRU Utilization rate is less than or equal to first resource threshold value or the number of user equipment of RRU connection is less than or equal to the first quantity door Determine that the RRU needs to be switched to the second standard from the first standard when limit value.

By any one RHUB(in the RHUB where W RRU such as first RHUB) for, control equipment can also be from First RHUB opens the S of the first standard₁The W for needing to carry out standard switching is determined in a RRU₁A RRU is sent out to first RHUB The first energy saving handover information is sent, the first energy saving handover information is used to indicate W₁Each RRU in a RRU is by the user of the first standard Equipment is switched to the second standard and closes the first standard, W₁For positive integer and W₁Less than or equal to S₁.First RHUB can also connect The control equipment is sent first energy saving handover information is received, according to the S of unlatching₁-W₁The radio frequency combining side of the first standard is arranged in a RRU Formula, and the first energy saving handover information is sent to W respectively₁A RRU.W₁Each RRU in a RRU can also be by the first standard User equipment is switched to the second standard and closes the first standard.

Optionally, as another embodiment, needs can also be determined from M1 RRU for closing the first standard by controlling equipment Open K RRU of the first standard.For example, when the utilization rate of the Physical Resource Block of the Uu mouth of RRU is greater than Secondary resource threshold value, Or the number of user equipment of RRU connection needs to open the first standard greater than the RRU determining when the second number threshold value.

By any one RHUB(in the RHUB where K RRU such as first RHUB) for, control equipment can also be from First RHUB closes the (N of the first standard₁-S₁) K for needing to open the first standard is determined in a RRU₁A RRU, to first RHUB sends the second energy saving handover information, and the second energy saving handover information is used to indicate K₁Each RRU in a RRU opens the first system Formula, K₁For less than or equal to N₁-S₁Positive integer.The second energy conservation switching that first RHUB can be sent with receiving control apparatus Information, according to the S of unlatching₁+K₁A RRU is arranged the first standard radio frequency and is combined mode, and respectively sends the second energy saving handover information To K₁A RRU.K₁Each RRU in a RRU, can also open the first standard.

Specifically, when the number of user equipment connected within a certain period of time of one or more RRU in cell is less than or waits In above-mentioned first number threshold value or data throughout or equal to above-mentioned first throughput threshold value or Uu mouthfuls of Physical Resource Block Utilization rate or be equal to above-mentioned first resource threshold value when, determine close one or more RRU the first standard.Alternatively, working as The number of user equipment that one or more RRU in cell are connected within a certain period of time is greater than the second number threshold value or data gulp down When the amount of spitting is greater than the utilization rate of the second throughput threshold value or Uu mouthfuls of Physical Resource Block greater than Secondary resource threshold value, control is set It is standby to determine the first standard for opening one or more RRU.

Below with reference to specific example the present invention is described in detail embodiment.

Fig. 9 is the flow chart of the process of the power-economizing method of the distributed base station of one embodiment of the invention.In the method for Fig. 9 In, control equipment will be by taking base station as an example, and the first standard is by taking LTE standard as an example, it should be appreciated that the present invention does not limit this, control Equipment can also be base station controller, such as BSC, and the first standard can be the system such as WCDMA or TD-SCDMA or CDMA2000 or GSM Formula.

901, base station counts the load information of the LTE standard of each RRU in cell.

Optionally, control equipment can in the period of predefined business idle, as 0 point of morning to 6:00 AM when Between section, carry out the control of power save mode, execute step 901.

Specifically, the load information of RRU may include at least following one kind: the use of the Physical Resource Block of the Uu mouth of RRU Rate, the number of user equipment of RRU connection, the data throughout of RRU and the currently used power of RRU.

Further, base station determines whether RRU meets energy saving condition according to the load information of statistics.As one in cell Or the number of user equipment that multiple RRU are connected within a certain period of time is less than or equal to above-mentioned first number threshold value or data throughput Amount is less than or equal to above-mentioned first throughput threshold value or the utilization rate of Uu mouthfuls of Physical Resource Block is less than or equal to above-mentioned first When resource threshold value, determine that closing one or more RRU needs to carry out standard switching and close the first standard.Or work as cell The number of user equipment that interior one or more RRU are connected within a certain period of time is 0 or data throughout is 0 or Uu mouthfuls of resource Utilization rate determines the first standard for closing one or more RRU in the case where being 0.

902, base station determines that the LTE standard of one or more RRU meets energy saving condition.

903, base station sends energy-saving information to corresponding RHUB and RRU.

RHUB where from base station to one or more RRU sends energy-saving information, which can be energy saving closing Information carries the mark for needing to close RRU, and to indicate that corresponding RRU closes LTE standard, which can be energy saving switching Information, to indicate the user equipment for being connected to LTE standard is switched to other unlatchings by the corresponding RRU and certain door in loaded cell The standard of limit simultaneously closes LTE standard.

904a, after corresponding RHUB receives energy-saving information, according to the radio frequency for the RRU for opening LTE standard combining setting LTE The radio frequency of standard is combined mode.

After 904b, RRU receive energy-saving information from corresponding RHUB, LTE standard is closed, optionally, by the use of LTE standard Family equipment is switched to the standard of other unlatchings, such as WCDMA standard.Such as the number of user equipment of WCDMA standard connection is less than one Determine thresholding, the user equipment of LTE standard can be switched to WCDMA standard.

It should be understood that the embodiment of the present invention is not construed as limiting the execution sequence of step 904a and 904b.

Therefore, the part RRU that can belong in the RRU group of the same cell opens LTE standard, and part RRU closes LTE system Formula, to improve the flexibility of energy conserving system, and the LTE system without opening all RRU for belonging to same cell deployment Formula can be achieved with user equipment in the business of the cell, in addition, when RRU has multiple types, and it is less under the first standard Still carry out wireless traffic user equipment be switched in the standard of the other unlatchings of the same RRU, therefore, can effectively subtract Few energy consumption, avoids the waste of electric power resource.

Figure 10 is the flow chart of the process of the power-economizing method of the distributed base station of another embodiment of the present invention.Figure 10's In method, control equipment will be by taking base station as an example, and the first standard is by taking LTE standard as an example, it should be appreciated that and the present invention does not limit this, Control equipment can also be base station controller, such as BSC, and the first standard can be WCDMA or TD-SCDMA or CDMA2000 or GSM Etc. standards.

1001, base station sends open command to corresponding RHUB.

Optionally, the RHUB hair at the end of the period of business idle, where base station to the RRU for closing LTE standard Open command is sent, open command carries the mark of RRU, to indicate that RRU opens LTE standard.

1002, RHUB send open command to the RRU for closing LTE standard.

RHUB sends open command to corresponding RRU according to the mark in the open command received in step 1001.

1002, RHUB send open command to the RRU for closing LTE standard.

1003a, RHUB are combined mode according to the radio frequency that LTE standard is arranged in the RRU for opening LTE standard.

After 1003b, RRU receive open command from corresponding RHUB, LTE standard is opened.

It should be understood that the embodiment of the present invention is not construed as limiting the execution sequence of step 1003a and 1004b.

Therefore, control equipment can predefined business idle period with RRU granularity carry out power save mode control System, and section restores normal state at other times, that is, supports the first standard of all RRU in the RRU group of a cell equal It opens.In this way, effectively improving the flexibility of system, additionally it is possible to realize energy conservation, electric power resource is avoided to waste.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling or direct-coupling or communication path discussed can be through some interfaces, the indirect coupling of device or unit Conjunction or communication path can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. a kind of energy conserving system of distributed base station characterized by comprising control equipment, L Remote Radio Unit hub RHUB and the N number of radio frequency remote unit RRU for belonging to the same cell, i-th of RHUB in the L RHUB respectively with the N N in a RRU_iA RRU is connected, and the L is positive integer, and the N is integer more than or equal to 2, the i be positive integer and Value is from 1 to L, N_iFor positive integer andEach RRU supports at least one standard in N number of RRU, it is described extremely A kind of few standard includes the first standard,

The control equipment controls the energy saving shape of N number of RRU for the load information according to RRU by the L RHUB State, so that first standard of each RRU in M1 RRU in N number of RRU is in close state, in M2 RRU First standard of each RRU is in the open state, and the M1 and the M2 are positive integer and M1+M2=N.

2. the system as claimed in claim 1, which is characterized in that

I-th of RHUB, for according to the N_iThe S opened in a RRU_iThe first system of i-th of RHUB is arranged in a RRU Formula radio frequency is combined mode, S_iFor nonnegative integer andThe M2 RRU includes the S_iA RRU.

3. the system as claimed in claim 1, which is characterized in that the load information of the RRU includes at least following one kind: described The utilization rate of the Physical Resource Block of the Uu mouth of RRU, the number of user equipment of the RRU connection, the data throughout of the RRU, And the currently used power of the RRU.

4. system as claimed in claim 2 or claim 3, which is characterized in that

The control equipment is further used for from the N connecting with first RHUB and the first standard is opened₁In a RRU really Surely need to close the P of first standard₁First RHUB of a RRU, Xiang Suoshu, which is sent, closes energy-saving information, the closing energy conservation Information is used to indicate the P₁Each RRU in a RRU closes first standard, wherein P₁For positive integer and P₁=N₁-S₁, institute Stating M1 RRU includes the P₁A RRU；

First RHUB, for respectively to the P₁A RRU sends the energy saving closing information；

The P₁Each RRU in a RRU, the energy saving closing information sent for receiving first RHUB, according to institute It states energy saving closing information and closes first standard.

5. system as claimed in claim 2 or claim 3, which is characterized in that each RRU supports at least two systems in N number of RRU Formula, at least two standard include first standard and the second standard,

The control equipment is also used to open the S of the first standard from first RHUB₁Determination needs to carry out standard in a RRU The W of switching₁First RHUB of a RRU, Xiang Suoshu sends the first energy saving handover information, and the described first energy saving handover information is for referring to Show the W₁The user equipment of first standard is switched to described in second standard and closing by each RRU in a RRU First standard, W₁For positive integer and W₁Less than or equal to S₁；

First RHUB is also used to receive the described first energy saving handover information that the control equipment is sent, according to unlatching S₁-W₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU, and respectively by first energy conservation Handover information is sent to the W₁A RRU；

The W₁Each RRU in a RRU is also used to the user equipment of first standard being switched to second standard simultaneously Close first standard.

6. system as claimed in claim 5, which is characterized in that

The W₁Each RRU in a RRU meets at least one following condition: the use of the Physical Resource Block of the Uu mouth of the RRU Rate is less than or equal to first resource threshold value, and the number of user equipment of the RRU connection is less than or equal to the first number threshold value, The currently used power that the data throughout of the RRU is less than or equal to the first throughput threshold value and the RRU be less than or Equal to the first power threshold.

7. system as claimed in claim 2 or claim 3, which is characterized in that

The control equipment is also used to the determination from the RRU that first RHUB closes the first standard and needs to open the first system The K of formula₁First RHUB of a RRU, Xiang Suoshu sends the second energy saving handover information, and the described second energy saving handover information is used to indicate The K₁Each RRU in a RRU opens first standard, the K₁For less than or equal to N₁-S₁Positive integer；

First RHUB is also used to receive the described second energy saving handover information that the control equipment is sent, according to unlatching S₁+K₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU, and respectively by second energy conservation Handover information is sent to the K₁A RRU；

The K₁Each RRU in a RRU is also used to open first standard.

8. system as claimed in claim 7, which is characterized in that

The K₁Each RRU in a RRU meets at least one following condition: the use of the Physical Resource Block of the Uu mouth of the RRU Rate is greater than Secondary resource threshold value, and the number of user equipment of the RRU connection is greater than the second number threshold value, the number of the RRU It is greater than the second power threshold according to the currently used power that handling capacity is greater than the second throughput threshold value and the RRU.

9. a kind of control equipment characterized by comprising

Determination unit, for determining the power save mode for belonging to N number of radio frequency remote unit RRU of the same cell, wherein the control Control equipment is connected with N number of RRU respectively by L Remote Radio Unit hub RHUB, i-th in the L RHUB A RHUB respectively with the N in N number of RRU_iA RRU is connected, and the L is positive integer, and the N is whole more than or equal to 2 Number, the i is positive integer and value is from 1 to L, N_iFor positive integer andIn N number of RRU each RRU support to A kind of few standard, at least one standard includes the first standard；

Control unit, for controlling the N that the determination unit determines by the L RHUB according to the load information of RRU The power save mode of a RRU, so that first standard of each RRU in M1 RRU in N number of RRU, which is in, closes shape First standard of state, each RRU in M2 RRU is in the open state, and the M1 and the M2 are positive integer and M1+ M2=N.

10. control equipment as claimed in claim 9, which is characterized in that the load information of the RRU includes at least following one Kind: the utilization rate of the Physical Resource Block of the Uu mouth of the RRU, the number of user equipment of the RRU connection, the data of the RRU The currently used power of handling capacity and the RRU.

11. control equipment as claimed in claim 9, which is characterized in that

The determination unit, specifically for from the N being connect with first RHUB and the first standard is opened₁It is determined in a RRU Need to close the P of first standard₁A RRU；

Described control unit is specifically used for sending to first RHUB and closes energy-saving information, so as to first RHUB According to the S of unlatching₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU, and respectively to the P₁It is a RRU sends the energy saving closing information, and the closing energy-saving information is used to indicate the P₁Each RRU in a RRU closes institute The first standard is stated, wherein P₁For positive integer and P₁=N₁-S₁, the M1 RRU includes the P₁A RRU.

12. such as the described in any item control equipment of claim 9-11, which is characterized in that each RRU is supported in N number of RRU At least two standards, at least two standard include first standard and the second standard,

The determination unit is also used to open the S of the first standard from first RHUB₁Determination needs to carry out standard in a RRU The W of switching₁A RRU, W₁For positive integer and W₁Less than or equal to S₁；

Described control unit is also used to send the first energy saving handover information to first RHUB, so as to described first RHUB is according to the S of unlatching₁-W₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU, and respectively will Described first energy saving handover information is sent to the W₁A RRU, the described first energy saving handover information are used to indicate the W₁A RRU In each RRU the user equipment of first standard is switched to second standard and closes first standard.

13. control equipment as claimed in claim 12, which is characterized in that

14. such as the described in any item control equipment of claim 9-11, which is characterized in that

The determination unit, is also used to determine from the RRU that first RHUB closes the first standard and needs to open described the The K of one standard₁A RRU, the K₁For less than or equal to N₁-S₁Positive integer；

Described control unit is specifically used for sending the second energy saving handover information to first RHUB, so as to described first RHUB is according to the S of unlatching₁+K₁The first standard radio frequency combining mode of first RHUB is arranged in a RRU, and respectively will Described second energy saving handover information is sent to the K₁A RRU, the described second energy saving handover information are used to indicate the K₁A RRU In each RRU open first standard.

15. control equipment as claimed in claim 14, which is characterized in that

16. a kind of Remote Radio Unit hub RHUB, which is characterized in that the RHUB is penetrated with the N number of of the same cell is belonged to N in frequency extension unit RRU₁A RRU is connected, and the N is the integer more than or equal to 2, the N₁For less than or equal to N's Positive integer, the RHUB include:

Receiving unit, in the power save mode for obtaining N number of RRU that control equipment is controlled according to the load information of RRU The N₁The power save mode of a RRU, wherein first standard of each RRU in M1 RRU in N number of RRU is in First standard of closed state, each RRU in M2 RRU is in the open state, and the M1 and the M2 are positive whole Number and M1+M2=N；

Determination unit, the N for being obtained according to receiving unit₁The power save mode of a RRU determines the N₁There is S in a RRU₁ The first standard of a RRU is in the open state, S₁For less than or equal to N₁Nonnegative integer, the M2 RRU includes the S₁It is a RRU。

17. RHUB as claimed in claim 16, which is characterized in that

The determination unit is also used to the S according to unlatching₁The first standard radio frequency that first RHUB is arranged in a RRU closes Road mode.

18. RHUB as claimed in claim 16, which is characterized in that the load information of the RRU includes at least following one kind: institute State the utilization rate of the Physical Resource Block of the Uu mouth of RRU, the number of user equipment of the RRU connection, the data throughput of the RRU The currently used power of amount and the RRU.

19. the RHUB as described in claim 17 or 18, which is characterized in that the RHUB further includes the first transmission unit,

The receiving unit is further used for receiving the energy saving closing information that the control equipment is sent, the closing energy conservation letter Breath is used to indicate the N₁P in a RRU₁Each RRU in a RRU closes first standard, wherein the P₁For positive integer And P₁=N₁-S₁；

First transmission unit, for respectively to the P₁A RRU sends the energy saving closing information.

20. the RHUB as described in claim 17 or 18, which is characterized in that the RHUB further includes the second transmission unit,

The receiving unit, is also used to receive the first energy saving handover information that the control equipment is sent, and first energy conservation is cut It changes information and is used to indicate the S₁W in a RRU₁The user equipment of first standard is switched to institute by each RRU in a RRU State the second standard, the W₁For positive integer and W₁Less than or equal to S₁；

The determination unit is also used to the S according to unlatching₁-W₁First standard that first RHUB is arranged in a RRU is penetrated Frequency combining mode；

Second transmission unit is also used to that the described first energy saving handover information is sent to the W respectively₁A RRU.

21. RHUB as claimed in claim 20, which is characterized in that

22. the RHUB as described in claim 17 or 18, which is characterized in that the RHUB further includes third transmission unit,

The receiving unit, is also used to receive the second energy saving handover information that the control equipment is sent, and second energy conservation is cut It changes information and is used to indicate the K that the RHUB is closed in the RRU of the first standard₁Each RRU in a RRU opens first system Formula, the K₁For less than or equal to N₁-S₁Positive integer；

The determination unit is also used to the S according to unlatching₁+K₁First standard that first RHUB is arranged in a RRU is penetrated Frequency combining mode；

The third transmission unit is also used to that the described second energy saving handover information is sent to the K respectively₁A RRU.

23. RHUB as claimed in claim 22, which is characterized in that

24. a kind of power-economizing method of distributed base station characterized by comprising

Control equipment belongs to the same cell by L Remote Radio Unit hub RHUB control according to the load information of RRU N number of radio frequency remote unit RRU power save mode so that described first of each RRU in M1 RRU in N number of RRU Standard is in close state, and first standard of each RRU in M2 RRU is in the open state, in N number of RRU Each RRU supports that at least one standard, at least one standard include the first standard, and the N is whole more than or equal to 2 Number, the M1 and the M2 are positive integer and M1+M2=N, wherein the M1 and M2 is positive integer and M1+M2= N。

25. method as claimed in claim 24, which is characterized in that

I-th of RHUB, according to the N_iThe S opened in a RRU_iThe first standard that i-th of RHUB is arranged in a RRU is penetrated Frequency combining mode, S_iFor nonnegative integer andThe M2 RRU includes the S_iA RRU.

26. method as claimed in claim 24, which is characterized in that the load information of the RRU includes at least following one kind: institute State the utilization rate of the Physical Resource Block of the Uu mouth of RRU, the number of user equipment of the RRU connection, the data throughput of the RRU The currently used power of amount and the RRU.

27. the method as described in claim 25 or 26, which is characterized in that the control equipment passes through L Remote Radio Unit Hub RHUB control belongs to the power save mode of N number of radio frequency remote unit RRU of the same cell, comprising:

The control equipment is from the N connecting with first RHUB and the first standard is opened₁Determination needs to close in a RRU The P of first standard₁First RHUB of a RRU, Xiang Suoshu, which is sent, closes energy-saving information, and the closing energy-saving information is for referring to Show the P₁Each RRU in a RRU closes first standard, wherein P₁For positive integer and P₁=N₁-S₁, the M1 RRU Including the P₁A RRU；

First RHUB is respectively to the P₁A RRU sends the energy saving closing information；

The P₁Each RRU in a RRU receives the energy saving closing information that first RHUB is sent, according to the section It can closing information closing first standard.

28. the method as described in claim 25 or 26, which is characterized in that each RRU supports at least two in N number of RRU Standard, at least two standard include first standard and the second standard, the method also includes:

The control equipment opens the S of the first standard from first RHUB₁Determination needs to carry out standard switching in a RRU W₁First RHUB of a RRU, Xiang Suoshu sends the first energy saving handover information, and the described first energy saving handover information is used to indicate described W₁The user equipment of first standard is switched to second standard and closes first system by each RRU in a RRU Formula, W₁For positive integer and W₁Less than or equal to S₁；

First RHUB is according to the S of unlatching₁-W₁The first standard radio frequency combining of first RHUB is arranged in a RRU Mode, and the described first energy saving handover information is sent to the W respectively₁A RRU；

The W₁The user equipment of first standard is switched to described in second standard and closing by each RRU in a RRU First standard.

29. method as claimed in claim 28, which is characterized in that

30. the method as described in claim 25 or 26, which is characterized in that the method also includes:

Control equipment determination from the RRU that first RHUB closes the first standard needs to open first standard K₁First RHUB of a RRU, Xiang Suoshu sends the second energy saving handover information, and the described second energy saving handover information is used to indicate described K₁Each RRU in a RRU opens first standard, the K₁For less than or equal to N₁-S₁Positive integer；

First RHUB is according to the S of unlatching₁+K₁The first standard radio frequency combining of first RHUB is arranged in a RRU Mode, and the described second energy saving handover information is sent to the K respectively₁A RRU；

The K₁Each RRU in a RRU opens first standard.

31. method as claimed in claim 30, which is characterized in that