WO2012103822A2 - 控制功率损耗的方法和装置 - Google Patents

控制功率损耗的方法和装置 Download PDF

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Publication number
WO2012103822A2
WO2012103822A2 PCT/CN2012/072198 CN2012072198W WO2012103822A2 WO 2012103822 A2 WO2012103822 A2 WO 2012103822A2 CN 2012072198 W CN2012072198 W CN 2012072198W WO 2012103822 A2 WO2012103822 A2 WO 2012103822A2
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WO
WIPO (PCT)
Prior art keywords
carrier
base station
power amplifier
operating voltage
traffic load
Prior art date
Application number
PCT/CN2012/072198
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English (en)
French (fr)
Other versions
WO2012103822A3 (zh
Inventor
石磊
刘玉华
张明昌
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280000452.9A priority Critical patent/CN102714847B/zh
Priority to PCT/CN2012/072198 priority patent/WO2012103822A2/zh
Publication of WO2012103822A2 publication Critical patent/WO2012103822A2/zh
Publication of WO2012103822A3 publication Critical patent/WO2012103822A3/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/287—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission when the channel is in stand-by
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range

Definitions

  • Embodiments of the present invention relate to the field of communications and, more particularly, to methods and apparatus for controlling power loss. Background technique
  • the overall power consumption of the base station equipment is mainly the power consumption of the RF module, which accounts for 70-80%. Therefore, reducing the power consumption of the RF module is the focus of energy saving for the base station equipment.
  • the transmit power of the power amplifier is usually adjusted according to the maximum transmit power of the power amplifier (the power amplifier) measured over a period of time, and the application requirement for reducing the power consumption of the base station device cannot be met. Summary of the invention
  • the present invention provides a method and apparatus for controlling power loss that can effectively reduce dynamic and static power consumption of a base station.
  • a method for controlling power loss including: performing carrier shutdown on at least one of a plurality of carriers of a base station according to a traffic load of a base station; and information of the at least one carrier according to carrier off , adjusting the operating voltage of the power amplifier of the base station.
  • an apparatus for controlling power loss including: a carrier-off module, configured to perform carrier-off of at least one of a plurality of carriers of the base station according to a service load of the base station; And adjusting information about the operating voltage of the power amplifier of the base station according to the information of the at least one carrier that is turned off by the carrier.
  • a base station system that includes the above-described means for controlling power loss.
  • the invention can effectively reduce the dynamic and static power consumption of the base station by performing carrier off according to the traffic load of the base station and adjusting the operating voltage of the power amplifier of the base station according to the carrier information of the carrier off.
  • FIG. 1 is a schematic flow chart of a method of controlling power loss according to an embodiment of the present invention.
  • FIG. 2 is a schematic flow diagram of a process of a method of controlling power loss, in accordance with one embodiment of the present invention.
  • FIG. 3 is a block diagram of an apparatus for controlling power loss in accordance with an embodiment of the present invention. detailed description
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • the base station may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station (eNB or e-NodeB, evolved Node B) in LTE.
  • BTS Base Transceiver Station
  • NodeB base station
  • eNB evolved base station
  • e-NodeB evolved Node B
  • the base station system may include a base station and a controller, such as 8 D8 and 88 ((8386 Station Controller) in 08 ⁇ 1, or NodeB and RNC (Radio Network Controller) in WCDMA) It is also possible to include only base stations, such as cNBs in LTE.
  • the base station may be a multi-carrier base station.
  • the method and apparatus for controlling power loss according to embodiments of the present invention may be applied to a Time Division Duplexing (TDD) system and a Frequency Division Duplexing (FDD) system.
  • TDD Time Division Duplexing
  • FDD Frequency Division Duplexing
  • FIG. 1 is a schematic flow chart of a method of controlling power loss according to an embodiment of the present invention.
  • the method of Figure 1 can be performed by a control device, such as a controller connected to a base station or integrated in a base station, Or the master unit of the base station.
  • a control device such as a controller connected to a base station or integrated in a base station, Or the master unit of the base station.
  • the control device may perform carrier aggregation on multiple carriers when the traffic load is lower than a traffic load threshold, and may delete at least one idle among multiple carriers after carrier aggregation.
  • Carrier may refer to migrating services on one or more carriers to other carriers.
  • Carrier shutdown can mean deleting one or more carriers.
  • control device may periodically detect the traffic load of the base station to obtain the traffic load of the base station.
  • control device can also detect the traffic load of the base station in real time, and obtain the real-time traffic load of the base station.
  • the traffic load may be traffic volume
  • the control device may perform carrier aggregation on multiple carriers if the traffic volume is lower than the Irish threshold.
  • the traffic load of a base station can be traffic, and the number of Irish can be used to measure the traffic load state of the base station.
  • the traffic load may be resource utilization.
  • the control device may perform carrier aggregation on multiple carriers if the resource utilization is lower than the resource utilization threshold.
  • the traffic load threshold may be preset or dynamically adjusted.
  • the traffic load threshold may be preset by the control device.
  • the service load threshold may be dynamically adjusted according to the service load status of the base station or other related information.
  • the traffic load is not limited to the traffic volume or the resource utilization rate, and may be other information that can measure the state of the base station service load, which is not limited by the embodiment of the present invention.
  • control device may adjust the operating voltage of the power amplifier of the base station according to the number of deleted at least one carrier and/or the transmit power.
  • the information of the at least one carrier may be the number of carriers, or the transmission power of the carrier, and may be other information of the carrier that can be used to adjust the operating voltage of the power amplifier.
  • control apparatus may adjust the work of the base station according to the information of the at least one carrier that the carrier turns off and the correspondence between the carrier information and the operating voltage of the power amplifier. Rate the operating voltage of the amplifier.
  • the correspondence between the carrier information and the operating voltage of the power amplifier may be a correspondence between the number of carriers and the operating voltage of the power amplifier, or may be a correspondence between the carrier transmit power and the operating voltage of the power amplifier, and may also be The relationship between the other information of the carrier and the operating voltage of the power amplifier is not limited in this embodiment of the present invention.
  • the correspondence may be preset and stored in the control device.
  • the embodiment of the invention can effectively reduce the dynamic and static power consumption of the base station by performing carrier off according to the service load of the base station and adjusting the operating voltage of the power amplifier of the base station according to the carrier information of the carrier off.
  • FIG. 2 is a schematic flow diagram of a process of a method of controlling power loss, in accordance with one embodiment of the present invention.
  • the control device After the base station is powered on, the control device periodically detects the service load of the base station, and obtains the service load of the base station.
  • resource utilization, traffic volume, and the like of the base station can be obtained.
  • the traffic load threshold can be the Irish number. If the traffic load of the base station is resource utilization, the traffic load threshold may be a resource utilization threshold.
  • the traffic load threshold can be preset.
  • the service load threshold can also be dynamically adjusted according to the service load status of the base station or other related information.
  • step 220 If it is determined in step 220 that the traffic load obtained in step 210 is not lower than the traffic load threshold, then go to step 210 to continue detecting the traffic load of the base station.
  • step 220 If it is determined in step 220 that the traffic load obtained in step 210 is lower than the traffic load threshold, then go to step 230 to perform carrier aggregation on multiple carriers of the base station.
  • Carrier aggregation refers to switching traffic on one carrier to another carrier for bearer, so that the number of carriers used is reduced. In the carrier aggregation, the aggregation between carriers processed by the same power amplifier may be used, or the aggregation between carriers processed by different power amplifiers may be used.
  • step 240 it is determined whether or not the plurality of carriers after the carrier aggregation are free carriers. If it is determined in step 240 that there are no idle carriers, then go to step 230 to continue carrier aggregation for the plurality of carriers of the base station.
  • step 240 If it is determined in step 240 that there is a free carrier, then go to step 250 to delete the idle carrier.
  • step 260 according to the information of the deleted idle carrier and the carrier information and power amplification
  • the correspondence between the operating voltages of the devices adjusts the operating voltage of the power amplifier.
  • Adjusting the operating voltage of the power amplifier can be to adjust its size, that is, to control the dynamic power consumption, or to adjust to 0, that is, to turn off, control the static power consumption, and can adjust the bias voltage of the power amplifier or adjust the leakage of the power amplifier. Pressure is adjusted.
  • the correspondence between the carrier information and the operating voltage of the power amplifier may be preset and stored in the control device.
  • the carrier information may be the number of carriers or the transmission power of the carrier, and the like.
  • step 210 After adjusting the operating voltage of the power amplifier, it may return to step 210 to continue detecting the service load of the base station.
  • the embodiment of the present invention can effectively reduce the dynamic and static power consumption of the base station by performing carrier off according to the traffic load of the base station and adjusting the operating voltage of the power amplifier of the base station according to the carrier information of the carrier off.
  • FIG. 3 is a block diagram of an apparatus for controlling power loss in accordance with an embodiment of the present invention.
  • An example of the apparatus 300 of FIG. 3 is a control apparatus, which may be, for example, a controller connected to a base station or integrated in a base station, or may be a master unit of a base station.
  • Apparatus 300 includes a carrier shutdown module 310 and a voltage adjustment module 320.
  • the carrier shutdown module 310 performs carrier shutdown on at least one of the plurality of carriers of the base station according to the traffic load of the base station.
  • the voltage adjustment module 320 adjusts the operating voltage of the power amplifier of the base station based on the information of the at least one carrier that the carrier turns off.
  • the invention can effectively reduce the dynamic and static power consumption of the base station by performing carrier off according to the traffic load of the base station and adjusting the operating voltage of the power amplifier of the base station according to the carrier information of the carrier off.
  • the carrier-off module 310 may perform carrier aggregation on multiple carriers when the traffic load is lower than the traffic load threshold, and delete at least one of the multiple carriers after the carrier aggregation.
  • One carrier may perform carrier aggregation on multiple carriers when the traffic load is lower than the traffic load threshold, and delete at least one of the multiple carriers after the carrier aggregation.
  • the voltage adjustment module 320 may adjust the operating voltage of the power amplifier of the base station according to the deleted number of at least one carrier wave and/or the transmit power.
  • the apparatus 300 further includes a detecting module 330, which periodically detects a service load of the base station to obtain a traffic load of the base station.
  • the detection module 330 can also detect the service load of the base station according to other manners, for example, by using a dynamic trigger mode or a real-time mode.
  • the detection mode of the detection module in the embodiment of the present invention is not limited.
  • the voltage adjustment module 320 may adjust the operating voltage of the power amplifier of the base station according to the information of the at least one carrier that the carrier turns off and the correspondence between the carrier information and the operating voltage of the power amplifier.
  • the traffic load used by the carrier shutdown module 310 may be a traffic volume.
  • the carrier shutdown module 310 can perform carrier aggregation on multiple carriers if the traffic volume is below the Irish threshold.
  • the traffic load used by the carrier shutdown module 310 may be resource utilization.
  • the traffic load threshold used by the carrier shutdown module 310 may be preset or dynamically adjusted.
  • the embodiment of the invention can effectively reduce the dynamic and static power consumption of the base station by performing carrier off according to the service load of the base station and adjusting the operating voltage of the power amplifier of the base station according to the carrier information of the carrier off.
  • the base station system may include any one of the above devices.
  • the base station system may include a base station and a controller, such as BTS and BSC in GSM, or NodeB and RNC in WCDMA, and may also include only a base station, such as an eNB in LTE.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • Another point that is shown or discussed between each other The coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Description

控制功率损耗的方法和装置 技术领域
本发明实施例涉及通信领域， 并且更具体地， 涉及控制功率损耗的方法 和装置。 背景技术
目前运营商对基站设备的节能问题越来越关注。 因为基站设备节能不仅 能够使运营商节省成本， 也是运营商的社会责任， 并且能够使运营商提升企 业绿色环保形象。
基站设备整体功耗主要是射频模块的功耗， 约占 70 ~ 80 %。 所以， 降低 射频模块的功耗， 是基站设备节能的重点。 在现有技术中， 通常是根据一段 时间内统计的功率放大器（筒称功放）的最大发射功率调整功放的发射功率， 无法满足降低基站设备功耗的应用需求。 发明内容
本发明提供控制功率损耗的方法和装置， 能够有效降低基站的动态和静 态功耗。
一方面， 提供了一种控制功率损耗的方法， 包括： 根据基站的业务负荷 量， 对该基站的多个载波中的至少一个载波进行载波关断； 根据载波关断的 该至少一个载波的信息， 调整该基站的功率放大器的工作电压。
另一方面， 提供了一种控制功率损耗的装置， 包括： 载波关断模块， 用 于根据基站的业务负荷量，对该基站的多个载波中的至少一个载波进行载波 关断； 电压调整模块， 用于 ^据载波关断的该至少一个载波的信息， 调整该 基站的功率放大器的工作电压。
再一方面， 提供了一种基站系统， 包括上述控制功率损耗的装置。
本发明通过根据基站的业务负荷量进行载波关断， 并根据载波关断的载 波信息调整基站的功率放大器的工作电压， 能够有效降低基站的动态和静态 功耗。 附图说明 为了更清楚地说明本发明实施例的技术方案 , 下面将对实施例或现有技 术描述中所需要使用的附图作筒单地介绍， 显而易见地， 下面描述中的附图 仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造 性劳动的前提下， 还可以根据这些附图获得其他的附图。
图 1是根据本发明实施例的控制功率损耗的方法的示意性流程图。
图 2是根据本发明一个实施例的控制功率损耗的方法的过程的示意性流 程图。
图 3是根据本发明实施例的控制功率损耗的装置的框图。 具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行 清楚、 完整地描述， 显然， 所描述的实施例是本发明一部分实施例， 而不是 全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没有作出创 造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。
本发明的技术方案， 可以应用于各种通信系统， 例如： 全球移动通信系 统 ( Global System of Mobile communication, GSM ),码分多址 ( Code Division Multiple Access , CDMA ) 系统， 宽带码分多址 ( Wideband Code Division Multiple Access Wireless , WCDMA ), 通用分组无线业务 ( General Packet Radio Service, GPRS ), 长期演进（ Long Term Evolution, LTE )等。
基站，可以是 GSM或 CDMA中的基站（ Base Transceiver Station, BTS ), 也可以是 WCDMA中的基站（NodeB ),还可以是 LTE中的演进型基站（ eNB 或 e-NodeB , evolved Node B ), 本发明并不限定。
基站系统， 可以包括基站和控制器， 如在08^1中的8丁8和88( ( 8386 Station Controller, 基站控制器）， 或 WCDMA中的 NodeB和 RNC ( Radio Network Controller, 无线网络控制器）， 也可以仅包括基站， 如在 LTE中的 cNB。
应理解， 本发明实施例中， 基站可以为多载波基站。 本发明实施例的控 制功率损耗的方法和装置可以适用于时分双工 （Time Division Duplexing, TDD )制式和频分双工 （Frequency Division Duplexing, FDD )制式。
图 1是根据本发明实施例的控制功率损耗的方法的示意性流程图。 图 1 的方法可以由控制装置执行， 例如与基站相连接或集成在基站中的控制器， 或基站的主控单元。
110, 根据基站的业务负荷量， 对该基站的多个载波中的至少一个载波 进行载波关断。
可选地， 作为一个实施例， 控制装置可在该业务负荷量低于业务负荷门 限值的情况下， 对多个载波进行载波聚合， 可删除载波聚合后的多个载波中 空闲的至少一个载波。 应注意， 本发明实施例中， 载波聚合可以指将一个或 多个载波上的业务迁移到其它载波上。 载波关断可以指删除一个或多个载 波。 在业务负荷量低于业务负荷门限值时， 可以指基站处于低业务状态。
可选地， 作为另一实施例， 控制装置可对基站的业务负荷进行周期性检 测， 以获取基站的业务负荷量。 此外， 控制装置也可对基站的业务负荷进行 实时检测， 获取基站实时的业务负荷量。
可选地， 作为另一实施例， 业务负荷量可以为话务量， 控制装置可在话 务量低于爱尔兰门限数的情况下，对多个载波进行载波聚合。例如，在 GSM 中， 基站的业务负荷量可以是话务量， 则可以使用爱尔兰数对基站的业务负 荷状态进行衡量。
可选地， 作为另一实施例， 业务负荷量可以为资源利用率。 控制装置可 在资源利用率低于资源利用率门限值的情况下， 对多个载波进行载波聚合。
可选地， 业务负荷门限值可以是预先设定的或动态调整的。 例如， 业务 负荷门限值可以是由控制装置预先设定。也可以根据基站的业务负荷状态或 其它相关信息等， 对业务负荷门限值进行动态调整。
应注意， 本发明实施例中， 业务负荷量不限于话务量或资源利用率， 还 可以是其它能够衡量基站业务负荷状态的信息， 本发明实施例对此并不限 定。
120, 根据载波关断的该至少一个载波的信息， 调整该基站的功率放大 器的工作电压。
可选地， 作为另一实施例， 控制装置可根据删除的至少一个载波的数目 和 /或发射功率， 调整基站的功率放大器的工作电压。应理解， 至少一个载波 的信息可以是载波的数目， 也可以是载波的发射功率， 还可以是载波的其他 能够用于调整功率放大器工作电压的信息， 本发明实施例对此并不限定。
可选地， 作为另一实施例， 控制装置可根据载波关断的至少一个载波的 信息以及载波信息与功率放大器的工作电压之间的对应关系，调整基站的功 率放大器的工作电压。 载波信息与功率放大器的工作电压之间的对应关系， 可以是载波数目与功率放大器的工作电压之间的对应关系，也可以是载波发 射功率与功率放大器的工作电压之间的对应关系，还可以是载波其它信息与 功率放大器的工作电压之间的关系， 本发明实施例对此并不限定。 该对应关 系可以是预先设定的， 存储在控制装置中。
本发明实施例通过根据基站的业务负荷量进行载波关断，并根据载波关 断的载波信息调整基站的功率放大器的工作电压， 能够有效降低基站的动态 和静态功耗。
图 2是根据本发明一个实施例的控制功率损耗的方法的过程的示意性流 程图。
210, 基站开机后， 控制装置对基站的业务负荷进行周期性检测， 获取 基站的业务负荷量。
例如， 可以获取基站的资源利用率、 话务量等。
220, 将步骤 210中获取的业务负荷量与业务负荷门限值进行比较。 例如， 如果基站的业务负荷量是话务量， 业务负荷门限值可以是爱尔兰 数。 如果基站的业务负荷量是资源利用率， 业务负荷门限值可以是资源利用 率门限值。 业务负荷门限值可以预先设定的。 也可以根据基站的业务负荷状 态或其它相关信息等， 对业务负荷门限值进行动态调整。
如果步骤 220中确定步骤 210中获取的业务负荷量不低于业务负荷门限 值， 则转到步骤 210, 继续对基站的业务负荷进行检测。
如果步骤 220 中确定步骤 210 中获取的业务负荷量低于业务负荷门限 值， 则转到步骤 230, 对基站的多个载波进行载波聚合。 载波聚合指的是将 一个载波上的业务切换到另一个载波上进行承载， 使得所使用的载波数变 少。 载波聚合中可以是同一个功放处理的载波间的聚合， 也可以是不同功放 处理的载波间的聚合。
在步骤 240中， 判断载波聚合后的多个载波中是否由空闲的载波。 如果在步骤 240中确定没有空闲的载波， 则转到步骤 230, , 继续对基站 的多个载波进行载波聚合。
如果在步骤 240中确定有空闲的载波， 则转到步骤 250, 删除空闲的载 波。
在步骤 260中，根据删除的空闲的载波的信息以及载波信息与功率放大 器的工作电压之间的对应关系， 调整功率放大器的工作电压。 调整功率放大 器的工作电压可以是调节其大小， 即控制动态功耗， 也可以调节为 0, 即关 断， 控制静态功耗， 可以通过调节功率放大器的偏置电压也可以通过调节功 率放大器的漏压进行调节。
载波信息与功率放大器的工作电压之间的对应关系可以是预先设定的， 存储于控制装置中。 载波信息可以是载波数目或者载波的发射功率等。
在调整功率放大器的工作电压后， 可以返回步骤 210, 继续对基站的业 务负荷进行检测。
因此， 本发明实施例通过根据基站的业务负荷量进行载波关断， 并根据 载波关断的载波信息调整基站的功率放大器的工作电压， 能够有效降低基站 的动态和静态功耗。
图 3是根据本发明实施例的控制功率损耗的装置的框图。图 3的装置 300 的一个例子是控制装置， 例如可以是与基站相连接或集成在基站中的控制 器， 也可以是基站的主控单元。 装置 300包括载波关断模块 310和电压调整 模块 320。
载波关断模块 310根据基站的业务负荷量，对该基站的多个载波中的至 少一个载波进行载波关断。 电压调整模块 320根据载波关断的该至少一个载 波的信息， 调整该基站的功率放大器的工作电压。
本发明通过根据基站的业务负荷量进行载波关断，并根据载波关断的载 波信息调整基站的功率放大器的工作电压， 能够有效降低基站的动态和静态 功耗。
可选地， 作为一个实施例， 载波关断模块 310可在业务负荷量低于业务 负荷门限值的情况下， 对多个载波进行载波聚合， 删除载波聚合后的多个载 波中空闲的至少一个载波。
可选地， 作为另一实施例， 电压调整模块 320可根据删除的至少一个载 波的数目和 /或发射功率， 调整基站的功率放大器的工作电压。
可选地， 作为另一实施例， 如图 3所示， 装置 300还包括检测模块 330, 对基站的业务负荷进行周期性检测， 以获取基站的业务负荷量。 应理解， 检 测模块 330还可以按照其它方式对基站的业务负荷进行检测， 例如可通过动 态触发方式或者实时方式等进行检测。本发明实施例对检测模块的检测方式 并不限定。 可选地， 作为另一实施例， 电压调整模块 320可根据载波关断的至少一 个载波的信息以及载波信息与功率放大器的工作电压之间的对应关系，调整 基站的功率放大器的工作电压。
可选地， 作为另一实施例， 载波关断模块 310使用的业务负荷量可以为 话务量。 载波关断模块 310可在话务量低于爱尔兰门限数的情况下， 对多个 载波进行载波聚合。
可选地， 作为另一实施例， 载波关断模块 310使用的业务负荷量可以为 资源利用率。
可选地， 作为另一实施例， 载波关断模块 310使用的业务负荷门限值可 以是预先设定的或动态调整的。
装置 300的其他功能和操作可参照上面图 1和图 2的方法实施例的过程， 为避免重复， 此处不再赘述。
本发明实施例通过根据基站的业务负荷量进行载波关断，并根据载波关 断的载波信息调整基站的功率放大器的工作电压， 能够有效降低基站的动态 和静态功耗。
根据本发明实施例的基站系统， 可以包括上述任意一种装置。 该基站系 统， 可以包括基站和控制器， 如在 GSM中的 BTS和 BSC, 或 WCDMA中 的 NodeB和 RNC, 也可以仅包括基站， 如在 LTE中的 eNB。
本领域普通技术人员可以意识到， 结合本文中所公开的实施例描述的各 示例的单元及算法步骤， 能够以电子硬件、 或者计算机软件和电子硬件的结 合来实现。 这些功能究竟以硬件还是软件方式来执行， 取决于技术方案的特 定应用和设计约束条件。 专业技术人员可以对每个特定的应用来使用不同方 法来实现所描述的功能， 但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到， 为描述的方便和筒洁， 上述描 述的系统、 装置和单元的具体工作过程， 可以参考前述方法实施例中的对应 过程， 在此不再赘述。
在本申请所提供的几个实施例中， 应该理解到， 所揭露的系统、 装置和 方法， 可以通过其它的方式实现。 例如， 以上所描述的装置实施例仅仅是示 意性的， 例如， 所述单元的划分， 仅仅为一种逻辑功能划分， 实际实现时可 以有另外的划分方式， 例如多个单元或组件可以结合或者可以集成到另一个 系统， 或一些特征可以忽略， 或不执行。 另一点， 所显示或讨论的相互之间 的耦合或直接耦合或通信连接可以是通过一些接口 , 装置或单元的间接耦合 或通信连接， 可以是电性， 机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作 为单元显示的部件可以是或者也可以不是物理单元， 即可以位于一个地方， 或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或 者全部单元来实现本实施例方案的目的。
另外， 在本发明各个实施例中的各功能单元可以集成在一个处理单元 中， 也可以是各个单元单独物理存在， 也可以两个或两个以上单元集成在一 个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使 用时， 可以存储在一个计算机可读取存储介质中。 基于这样的理解， 本发明 的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部 分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质 中， 包括若干指令用以使得一台计算机设备（可以是个人计算机， 服务器， 或者网络设备等）执行本发明各个实施例所述方法的全部或部分步骤。 而前 述的存储介质包括： U盘、移动硬盘、只读存储器（ ROM, Read-Only Memory )、 随机存取存储器（RAM, Random Access Memory ), 磁碟或者光盘等各种可 以存储程序代码的介质。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限 于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易 想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保护 范围应以所述权利要求的保护范围为准。

Claims

权利要求
1、 一种控制功率损耗的方法， 其特征在于， 包括：
根据基站的业务负荷量，对所述基站的多个载波中的至少一个载波进行 载波关断；
^^据载波关断的所述至少一个载波的信息，调整所述基站的功率放大器 的工作电压。
2、 根据权利要求 1所述的方法， 其特征在于， 所述根据基站的业务负 荷量， 对所述基站的多个载波中的至少一个载波进行载波关断， 包括：
在所述业务负荷量低于业务负荷门限值的情况下，对所述多个载波进行 载波聚合；
删除载波聚合后的所述多个载波中空闲的至少一个载波。
3、 根据权利要求 2所述的方法， 其特征在于， 所述根据载波关断的所 述至少一个载波的信息， 调整所述基站的功率放大器的工作电压， 包括： 根据删除的所述至少一个载波的数目和 /或发射功率，调整所述基站的功 率放大器的工作电压。
4、 根据权利要求 1至 3中任一项所述的方法， 其特征在于， 所述方法 还包括：
对所述基站的业务负荷进行周期性检测，以获取所述基站的所述业务负 荷量。
5、 根据权利要求 1或 2所述的方法， 其特征在于， 所述根据载波关断 的所述至少一个载波的信息，调整所述基站的功率放大器的工作电压，包括： 根据载波关断的所述至少一个载波的信息以及载波信息与功率放大器 的工作电压之间的对应关系， 调整所述基站的功率放大器的工作电压。
6、 根据权利要求 2所述的方法， 其特征在于， 所述业务负荷量为话务 量；
所述在所述业务负荷量低于业务负荷门限值的情况下，对所述多个载波 进行载波聚合， 包括： 在所述话务量低于爱尔兰门限数的情况下， 对所述多 个载波进行载波聚合。
7、 根据权利要求 1或 2所述的方法， 其特征在于， 所述业务负荷量为 资源利用率。
8、 根据权利要求 2至 7中任一项所述的方法， 其特征在于， 所述业务 负荷门限值是预先设定的或动态调整的。
9、 一种控制功率损耗的装置， 其特征在于， 包括：
载波关断模块， 用于根据基站的业务负荷量， 对所述基站的多个载波中 的至少一个载波进行载波关断；
电压调整模块， 用于 ^据载波关断的所述至少一个载波的信息， 调整所 述基站的功率放大器的工作电压。
10、 根据权利要求 9所述的装置， 其特征在于， 所述载波关断模块具体 用于在所述业务负荷量低于业务负荷门限值的情况下，对所述多个载波进行 载波聚合； 删除载波聚合后的所述多个载波中空闲的至少一个载波。
11、 根据权利要求 10所述的装置， 其特征在于， 所述电压调整模块具 体用于根据删除的所述至少一个载波的数目和 /或发射功率，调整所述基站的 功率放大器的工作电压。
12、 根据权利要求 9至 11 中任一项所述的装置， 其特征在于， 所述装 置还包括：
检测模块， 用于对所述基站的业务负荷进行周期性检测， 以获取所述基 站的所述业务负荷量。
13、 根据权利要求 9或 10所述的装置， 其特征在于， 所述电压调整模 块具体用于根据载波关断的所述至少一个载波的信息以及载波信息与功率 放大器的工作电压之间的对应关系， 调整所述基站的功率放大器的工作电 压。
14、 根据权利要求 10所述的装置， 其特征在于， 所述载波关断模块使 用的所述业务负荷量为话务量；
所述载波关断模块具体用于在所述话务量低于爱尔兰门限数的情况下， 对所述多个载波进行载波聚合。
15、 根据权利要求 9或 10所述的装置， 其特征在于， 所述载波关断模 块使用的所述业务负荷量为资源利用率。
16、 根据权利要求 10至 15中任一项所述的装置， 其特征在于， 所述载 波关断模块使用的所述业务负荷门限值是预先设定的或动态调整的。
17、 一种基站系统， 其特征在于， 包括根据权利要求 9至 16中任一项 所述的装置。
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