WO2008058471A1 - Base station, method of processing base band signal in base station and wireless communication system - Google Patents
Base station, method of processing base band signal in base station and wireless communication system Download PDFInfo
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- WO2008058471A1 WO2008058471A1 PCT/CN2007/003229 CN2007003229W WO2008058471A1 WO 2008058471 A1 WO2008058471 A1 WO 2008058471A1 CN 2007003229 W CN2007003229 W CN 2007003229W WO 2008058471 A1 WO2008058471 A1 WO 2008058471A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
Definitions
- Baseband baseband signal processing method and wireless communication system in base station
- the present invention relates to the field of wireless communications, and in particular to a base station and a baseband processing technique therein. Background technique
- the first is based on the original system, and a new base station is added, thereby forming a superimposed communication network, which can provide different mobile services for users.
- the problem with this solution is that in order to build such an overlay network, the investment is huge, used to purchase equipment, obtain site, construction site, and network operation and maintenance, including CAPEX (investment cost) and OPEX (operating cost). In terms of investment, the investment is quite huge.
- the second is to detach the old-style modules and install the new-style modules into the old-style modules, thereby sharing a machine rejection and implementing a multi-mode base station.
- the main advantage of the second option over the first solution is that it saves site and machine rejection.
- the common problem of the two schemes is that the resources are relatively wasteful. The reason is that there is no unified design between the new and old modules, and resources cannot be shared, especially the master control and transmission in the baseband unit.
- An embodiment of the present invention provides a base station, which includes at least two baseband units for baseband processing, and a common module for providing at least one of a master, a transmission, and a clock for the baseband unit; Each baseband unit is connected in a direct or indirect manner; each baseband unit uses at least one of a master, a transmission, and a clock provided by a common module.
- An embodiment of the present invention further provides a baseband signal processing method in a base station, including the following steps: The baseband unit obtains one of a master, a transmission, and a clock directly or indirectly from a shared common module; the baseband unit uses at least the obtained One of the master, transmit, and clock processes the baseband signal.
- Embodiments of the present invention also provide a wireless communication system including at least one multi-standard base station as described above.
- the main difference between the embodiment of the present invention and the prior art is that at least one of the main control, transmission, and clock functions is uniformly provided by the shared common module to each baseband unit in the base station, and each of the prior art
- the baseband units each use their own master, transmission, and clock.
- a plurality of baseband units can share a set of components to provide mastering, transmission, and clocking, which is low in cost.
- the newly added baseband unit no longer needs independent master, transmission, and clock components, which reduces the expansion cost and saves resources.
- FIG. 1 is a schematic structural diagram of a base station device according to a first embodiment of the present invention
- FIG. 2 is a schematic diagram of a schematic diagram of an interconnection interface in a base station device according to a first embodiment of the present invention
- FIG. 3 is a schematic diagram of a baseband unit and a baseband unit chain-type interconnection including a common module in a base station device according to the first embodiment of the present invention
- FIG. 4 is a schematic diagram of a star-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention
- 5 is a schematic diagram of a bus-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention
- 6 is a schematic diagram of a ring-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention
- FIG. 7 is a schematic diagram of a switched-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention
- FIG. 8 is a schematic diagram of a shared channel of an interconnection interface on a baseband radio frequency interface in a base station device according to the first embodiment of the present invention
- FIG. 9 is a schematic diagram of connection of each baseband unit in a base station device to a radio frequency unit according to the first embodiment of the present invention.
- FIG. 10 is a schematic diagram of a baseband unit in a base station device connected in series to a radio frequency unit according to a first embodiment of the present invention
- FIG. 11 is a schematic diagram of an implementation scheme of a multimode base station in a base station device according to a first embodiment of the present invention
- FIG. 12 is a flowchart of a method for processing a baseband signal in a base station according to a second embodiment of the present invention. detailed description
- a common module for providing at least one of a master control, a transmission, and a clock to the baseband unit is included. Connected to each baseband unit in a direct or indirect manner, each baseband unit using at least one of the master, transmission, and clock provided by the common module.
- the baseband units of different systems can share a set of components to provide master control, transmission and clock. When the base station is expanded, the newly added baseband unit no longer needs independent master, transmission, and clock components, which reduces the expansion cost.
- the present embodiment relates to a base station device.
- the base station in this embodiment includes a baseband unit of multiple standards, and a common module, and the common module is included as a module in the base station.
- a baseband unit In a baseband unit.
- the base station includes a radio frequency unit (RFU) for radio frequency signal processing, Baseband units (BBUs) of various formats, and baseband units including common modules, each baseband unit including an interconnection interface for directly or indirectly connecting with other baseband units or baseband units including common modules.
- the radio frequency unit is used for processing the radio frequency signal;
- the common module is used to provide the main control, transmission, and clock resources for the baseband unit;
- the baseband unit is used for baseband processing, and the main control provided by the common module is shared by the transmission of the interconnection interface, Transmit, clock resources, to avoid each baseband unit use its own master, transmission and clock, thus reducing costs.
- the common module provides a reference clock whose frequency is a multiple or a submultiple of the required frequency of each baseband unit, and each baseband unit obtains its own required clock by frequency multiplication or frequency division, thereby realizing sharing of clock resources. It solves the problem that the clocks used by different baseband units may be different.
- the interface used for extending the interconnection of each baseband unit may be an Eia interface, and the specific structure is shown in FIG. 2.
- the baseband unit has a Global System for Mobile communication (“GSM”) standard, Code Division Multiple Access (“CDMA”) standard, and 4 ⁇ wave access to the global system.
- GSM Global System for Mobile communication
- CDMA Code Division Multiple Access
- WiMAX Worldwide Interoperability for Microwave Access
- WCDMA Wideband Code Division Multiple Access
- LTE Long Term Evolution
- baseband units of other standards such as baseband units of the Time Division Synchronous Code Division Multiple Access (TD-SCDMA) system, baseband units of the CDMA2000 system, and personal handyphone systems ( The baseband unit of the Personal Handyphone System (“PHS”) system, the baseband unit of the trunk system, or the baseband unit of the Air Interface Evolution (AIE) system, etc.
- PHS Personal Handyphone System
- AIE Air Interface Evolution
- each baseband unit still uses its own baseband processing logic.
- the cost of the base station can also share power distribution, backup power, and monitoring resources to further reduce the multi-standard base;
- the baseband unit of each system and the baseband unit including the common module may be connected by at least one of the following ways:
- the baseband unit with the common module and each baseband unit can be interconnected by various methods such as chain type, star type, bus type, ring type, and switching type, which increases the flexibility when actually configuring the base station.
- Each baseband unit also includes a baseband radio interface for direct or indirect connection to the radio unit, transmitting operational maintenance information (0&M information) and baseband IQ data. That is to say, the interconnection interface of the baseband unit is used for transmitting the main control information, the transmission information and the clock synchronization information, so as to share the main control, transmission and clock resources between the multi-standard baseband units; the baseband radio frequency interface of the baseband unit, The transmission of the O&M information and the baseband IQ data is as shown in FIG.
- Each baseband unit can be connected to the radio frequency unit through the baseband radio frequency interface (as shown in FIG. 9), respectively, to reduce the possibility of simultaneous failure of multiple baseband units due to connection failure; each baseband unit can also be connected in series and then connected to the radio unit. (also in series), as shown in Figure 10, the same baseband RF channel can be shared between the baseband units to reduce cost, especially for the radio unit at the far end.
- FIG 11 is a schematic diagram of a multi-standard base station that may be used in practical applications.
- One case is to add a new baseband unit and a common module (2G BBU, 3G BBU, and include) to the existing base station.
- BBU of the common module, and the relevant radio unit is added to the base station (3G) MRRU) is used to process radio frequency signals;
- another case is that RF units associated with newly added baseband units and common modules (2G BBUs, 3G BBUs, and BBUs containing common modules) cannot be added to existing base stations (3G) MRRU), therefore, it is necessary to implement a multi-standard base station by configuring a remote radio unit (RRU).
- RRU remote radio unit
- the baseband unit of the new system can also be extended through the interconnection interface of the baseband unit.
- These BBUs of different capacities and different systems can be installed in a cabinet or rack, connected through interconnect interfaces, and can choose to share the power distribution, backup, and monitoring resources of the main control, transmission, clock, and site.
- a multi-standard universal interface is implemented between the baseband unit and the radio frequency unit.
- the baseband units of each system support the direct connection with the radio frequency unit, and can also be connected to the radio frequency unit through the baseband unit of other standards.
- the base station equipment can be optimized for the mainstream requirements of the operator, instead of the initial configuration, a lot of expansion slots are reserved. Bit.
- the operator can configure a small-capacity baseband unit as needed. When a large-capacity configuration is required in the future, the new baseband unit is extended through the interconnection interface between the BBUs.
- the baseband unit can be concealed by miniaturization and decentralized mounting of the baseband unit, and there is no problem of bearing. Therefore, as long as the original mobile phone operator already has a base station site, the baseband unit can be directly installed by using the remaining space in the outdoor macro base station, the machine rejection of the indoor macro base station room, or the remaining space of the rack, without requiring an additional The location of the base station solves the problem that the base station address selection of the mobile phone carrier is difficult. At the same time, due to the miniaturization and decentralized installation of equipment, mobile phone operators can greatly shorten the time for network construction and achieve rapid network construction.
- each baseband unit can share a common module, and provides a unified control and transmission interface function, which simplifies the management and maintenance of the multi-standard base station, and satisfies the operator's requirements for maintainability of the base station.
- the second embodiment of the present invention relates to a base station device, and the present embodiment is substantially the same as the first embodiment, except that in the first embodiment, the common module is included in one baseband unit in the base station, and in the present embodiment In the mode, the common module is an independent physical unit. That is, in the first embodiment, in order to reduce the requirement for the independent space in the chassis, the common module may be included in one baseband unit in the base station, and in the present embodiment, the common module is set to be independent.
- the physical unit can replace the common module separately when the common module fails, which reduces the maintenance cost, and the functions of each baseband unit are relatively uniform, which is convenient for mass production.
- a third embodiment of the present invention relates to a baseband signal processing method in a base station, and a specific process is shown in FIG.
- each of the baseband units in the base station obtains the master, transmission, and clock resources directly or indirectly from the shared common module.
- the base station includes a baseband unit of the GSM standard, a baseband unit of the CDMA system, a baseband unit of the WiMAX system, and a baseband unit of the LTE system, and the baseband units of these systems obtain the master control, transmission, and clock resources from the common module.
- the baseband unit in this embodiment may be other systems, such as a WCDMA system, a TD-SCDMA system, a CDMA2000 system, a PHS system, a cluster system, or an AIE system. The present embodiment is not specifically limited.
- the baseband units of each system process the baseband signals using the obtained master, transmission, and clock.
- the frequency of the reference clock provided by the common module is a multiple or a multiple of the required frequency of each baseband unit.
- the baseband units of each system multiply or divide the clock provided by the common module to obtain the clock required by itself. And use this clock resource to process the baseband signal.
- a plurality of baseband units of different standards can share a set of components to provide master control, transmission, and clock, thereby reducing costs, and when the base station is expanded, the newly added baseband unit is no longer needed.
- Independent mastering, transmission, and clocking components further reduce expansion costs.
- each baseband unit uses its own master, transmission, and clock.
- a plurality of baseband units can share a set of components to provide mastering, transmission, and clocking, reducing costs.
- the newly added baseband unit no longer needs independent master, transmission, and clock components, which reduces the expansion cost.
- the embodiments of the present invention can be applied to the case where the baseband unit in the same base station is in different standards, such as WCDMA, GSM, LTE are mixed in one base station.
- the most important difference between baseband units of different standards is that the baseband processing is different.
- Each baseband unit still uses its own baseband processing logic, but shares the master, transmission, and clock. Therefore, the baseband units of different standards are formed to form a multi-standard base station, which reduces the cost of the multi-standard base station.
- the frequency of the reference clock provided by the common module is a multiple or a submultiple of the required frequency of each baseband unit, and each baseband unit obtains its own required clock by frequency multiplication or frequency division, thereby solving the use of the baseband unit of different standards.
- the clock may be different.
- Each baseband processing unit in the same base station can share power distribution, backup power, and monitoring resources, thereby further reducing the cost of the multi-standard base station.
- the common module can be a separate physical unit. When the common module fails, the public module can be replaced separately, which reduces maintenance costs.
- Each baseband unit has a uniform function and is convenient for mass production.
- the common module can also be part of a baseband unit in the base station, thereby reducing the need for a separate space in the chassis.
- the common module and each baseband unit can be interconnected by various methods such as chain type, star type, bus type, ring type, and switching type, thereby increasing flexibility in actually configuring the base station.
- Each of the baseband units can be separately connected to the radio frequency unit, thereby reducing the possibility of simultaneous failure of the plurality of baseband units due to connection failure.
- the baseband units can also be connected in series and then connected to the radio frequency unit, so that the baseband units can share the same radio frequency line, and the P strips are low-cost, and are particularly suitable for the radio unit at the far end.
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Abstract
The solution relates to the field of wireless communication. A base station, a method of processing base band signal in the base station and a wireless communication system are disclosed. A shared common module provides main controlling, transmitting and clock, etc, to each base band units in the base station. With the sharing, the cost of setting the station and the cost of repairing and exploring in anaphase is reduced. The base band units in one base station may be different mechanisms. The common module may be a special physical unit, and it may be a part of certain base band unit in the base station. The common module and each base bandunits can be connected with chain type, star type, bus type, ring type, exchange type or some other types.
Description
基站、 基站中基带信号处理方法及无线通信*** 技术领域 Baseband, baseband signal processing method and wireless communication system in base station
本发明涉及无线通信领域， 特别涉及基站及其中的基带处理技术。 背景技术 The present invention relates to the field of wireless communications, and in particular to a base station and a baseband processing technique therein. Background technique
近年来， 通信技术， 尤其是移动通信技术的发展十分迅速， 第一至第三 代移动通信（The Third Generation, 简称 "3G" ) ***的相继推出， 使得移 动通信对人类生活和工作的影响日益增大。 目前的移动用户数量在不断增长， 移动业务的种类也越来越丰富多样， 面对这个不断扩展的市场， 全球各大移 动运营商都力图通过快速地提供新制式的业务， 吸引和抓住移动用户， 藉此 在市场中占据有利的竟争态势。 In recent years, the development of communication technologies, especially mobile communication technologies, has been very rapid. The introduction of The Third Generation (3G) systems has made the impact of mobile communication on human life and work increasingly. Increase. The number of mobile users is growing and the variety of mobile services is becoming more diverse. In the face of this expanding market, the world's major mobile operators are trying to attract and seize mobile users by rapidly providing new standards of business. In this way, it has a favorable competitive situation in the market.
对于实现新制式业务的问题， 传统的解决办法有两种。 There are two traditional solutions to the problem of implementing a new standard business.
第一种是基于原有的制式， 另外新增新制式的基站， 由此形成一个叠加 的通信网络， 该通信网络可以为用户提供不同的移动业务。 这种解决办法的 问题在于， 为了建成这样的叠加网络， 投入巨大， 用于购买设备、 获取站址、 建设站址， 以及网络的运行与维护， 其中在 CAPEX (投资成本）与 OPEX (运 营成本）方面， 投入相当巨大。 The first is based on the original system, and a new base station is added, thereby forming a superimposed communication network, which can provide different mobile services for users. The problem with this solution is that in order to build such an overlay network, the investment is huge, used to purchase equipment, obtain site, construction site, and network operation and maintenance, including CAPEX (investment cost) and OPEX (operating cost). In terms of investment, the investment is quite huge.
第二种是对老制式的模块进行拆离， 将新制式的模块装到老制式的模块 中， 由此共享一个机拒， 实现多模基站。 第二种方案相对于第一种方案的主 要优势在于节约了站址和机拒。 The second is to detach the old-style modules and install the new-style modules into the old-style modules, thereby sharing a machine rejection and implementing a multi-mode base station. The main advantage of the second option over the first solution is that it saves site and machine rejection.
发明人在发明过程中发现： 这两种方案的共同问题是资源比较浪费， 原 因在于， 新、 老制式的模块之间没有统一的设计， 无法共享资源， 特别是基 带单元中的主控、 传输、 时钟等完全是独立的， 每个基带单元都有一套相关 的部件。 发明内容
本发明实施方式提供了基站、 基站中基带信号处理方法及无线通信***， 以节约资源。 ' ： 本发明的实施方式提供了一种基站， 其中包含至少二个用于基带处理的 基带单元， 还包含公共模块， 用于为基带单元至少提供主控、 传输、 时钟之 一； 公共模块与各基带单元以直接或间接的方式连接； 每个基带单元至少使 用公共模块提供的主控、 传输、 时钟之一。 The inventor found in the process of invention: The common problem of the two schemes is that the resources are relatively wasteful. The reason is that there is no unified design between the new and old modules, and resources cannot be shared, especially the master control and transmission in the baseband unit. The clocks, etc. are completely independent, and each baseband unit has a set of related components. Summary of the invention Embodiments of the present invention provide a baseband, a baseband signal processing method in a base station, and a wireless communication system to save resources. An embodiment of the present invention provides a base station, which includes at least two baseband units for baseband processing, and a common module for providing at least one of a master, a transmission, and a clock for the baseband unit; Each baseband unit is connected in a direct or indirect manner; each baseband unit uses at least one of a master, a transmission, and a clock provided by a common module.
本发明的实施方式还提供了一种基站中基带信号处理方法， 包含以下步 骤： 基带单元直接或间接地从共享的公共模块获得主控、 传输、 时钟之一； 该基带单元至少使用所获得的主控、 传输、 时钟之一对基带信号进行处理。 An embodiment of the present invention further provides a baseband signal processing method in a base station, including the following steps: The baseband unit obtains one of a master, a transmission, and a clock directly or indirectly from a shared common module; the baseband unit uses at least the obtained One of the master, transmit, and clock processes the baseband signal.
本发明的实施方式还提供了一种无线通信***， 该***中包含至少一个 如上文所述的多制式基站。 Embodiments of the present invention also provide a wireless communication system including at least one multi-standard base station as described above.
通过比较可以发现， 本发明的实施方式与现有技术的主要区别在于， 由 共享的公共模块向基站内各基带单元至少统一提供主控、 传输、 时钟功能之 一， 而现有技术中每个基带单元各自使用自已的主控、 传输和时钟。 通过共 享， 在多个基带单元可以共用一套部件提供主控、 传输和时钟， 低了成本。 通过共享， 在基站扩展时， 新加入的基带单元不再需要独立的主控、 传输、 时钟部件， 降低了扩展成本， 并节约了资源。 附图说明 By comparison, it can be found that the main difference between the embodiment of the present invention and the prior art is that at least one of the main control, transmission, and clock functions is uniformly provided by the shared common module to each baseband unit in the base station, and each of the prior art The baseband units each use their own master, transmission, and clock. By sharing, a plurality of baseband units can share a set of components to provide mastering, transmission, and clocking, which is low in cost. By sharing, when the base station is expanded, the newly added baseband unit no longer needs independent master, transmission, and clock components, which reduces the expansion cost and saves resources. DRAWINGS
图 1是根据本发明第一实施方式的基站设备的结构示意图； 1 is a schematic structural diagram of a base station device according to a first embodiment of the present invention;
图 2是根据本发明第一实施方式的基站设备中互联接口的原理示意图； 图 3是根据本发明第一实施方式的基站设备中基带单元与包含公共模块 的基带单元链型互联示意图； 2 is a schematic diagram of a schematic diagram of an interconnection interface in a base station device according to a first embodiment of the present invention; FIG. 3 is a schematic diagram of a baseband unit and a baseband unit chain-type interconnection including a common module in a base station device according to the first embodiment of the present invention;
图 4是根据本发明第一实施方式的基站设备中基带单元与包含公共模块 的基带单元星型互联示意图； 4 is a schematic diagram of a star-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention;
图 5是根据本发明第一实施方式的基站设备中基带单元与包含公共模块 的基带单元总线型互联示意图；
图 6是根据本发明第一实施方式的基站设备中基带单元与包含公共模块 的基带单元环型互联示意图； 5 is a schematic diagram of a bus-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention; 6 is a schematic diagram of a ring-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention;
图 7是根据本发明第一实施方式的基站设备中基带单元与包含公共模块 的基带单元交换型互联示意图； 7 is a schematic diagram of a switched-type interconnection of a baseband unit and a baseband unit including a common module in a base station device according to a first embodiment of the present invention;
图 8是根据本发明第一实施方式的基站设备中互联接口于基带射频接口 的共享通道示意图； 8 is a schematic diagram of a shared channel of an interconnection interface on a baseband radio frequency interface in a base station device according to the first embodiment of the present invention;
图 9是根据本发明第一实施方式的基站设备中各基带单元分别与射频单 元连接示意图； 9 is a schematic diagram of connection of each baseband unit in a base station device to a radio frequency unit according to the first embodiment of the present invention;
图 10是根据本发明第一实施方式的基站设备中各基带单元先串联后再连 接到射频单元的示意图； FIG. 10 is a schematic diagram of a baseband unit in a base station device connected in series to a radio frequency unit according to a first embodiment of the present invention; FIG.
图 11是根据本发明第一实施方式的基站设备中多模基站实现方案示意 图； 11 is a schematic diagram of an implementation scheme of a multimode base station in a base station device according to a first embodiment of the present invention;
图 12是根据本发明第二实施方式的基站中基带信号处理方法流程图。 具体实施方式 FIG. 12 is a flowchart of a method for processing a baseband signal in a base station according to a second embodiment of the present invention. detailed description
为使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图对本发 明作进一步地详细描述。 The present invention will be further described in detail below with reference to the accompanying drawings.
在本发明实施方式的基站中， 除了包含多个各种制式的用于基带处理的 基带单元外， 还包含用于为基带单元至少提供主控、 传输、 时钟之一的公共 模块， 该公共模块与各基带单元以直接或间接的方式连接， 每个基带单元至 少使用该公共模块提供的主控、 传输、 时钟之一。 使得多个不同制式的基带 单元可以共用一套部件提供主控、 传输和时钟， 在基站扩展时， 新加入的基 带单元也不再需要独立的主控、 传输、 时钟部件， 降低了扩展成本。 In a base station according to an embodiment of the present invention, in addition to a baseband unit for baseband processing including a plurality of various standards, a common module for providing at least one of a master control, a transmission, and a clock to the baseband unit is included. Connected to each baseband unit in a direct or indirect manner, each baseband unit using at least one of the master, transmission, and clock provided by the common module. The baseband units of different systems can share a set of components to provide master control, transmission and clock. When the base station is expanded, the newly added baseband unit no longer needs independent master, transmission, and clock components, which reduces the expansion cost.
下面对本发明的第一实施方式进行详细阐述， 本实施方式涉及基站设备， 在本实施方式中的基站包含多种制式的基带单元， 和公共模块， 该公共模块 作为一个模块包含在基站中的某一个基带单元中。 The first embodiment of the present invention is described in detail below. The present embodiment relates to a base station device. The base station in this embodiment includes a baseband unit of multiple standards, and a common module, and the common module is included as a module in the base station. In a baseband unit.
具体地说， 如图 1所示， 基站包含用于射频信号处理的射频单元（ RFU )，
各种制式的基带单元 （BBU ) ， 和包含公共模块的基带单元， 各基带单元包 含互联接口， 用于直接或间接地和其他基带单元或包含公共模块的基带单元 连接。 其中， 射频单元用于射频信号的处理； 公共模块用于为基带单元提供 主控、 传输、 时钟资源； 基带单元用于进行基带处理， 并且通过互联接口的 传输共享该公共模块提供的主控、 传输、 时钟资源， 以避免每个基带单元各 自使用自已的主控、 传输和时钟， 从而降低了成本。 Specifically, as shown in FIG. 1, the base station includes a radio frequency unit (RFU) for radio frequency signal processing, Baseband units (BBUs) of various formats, and baseband units including common modules, each baseband unit including an interconnection interface for directly or indirectly connecting with other baseband units or baseband units including common modules. The radio frequency unit is used for processing the radio frequency signal; the common module is used to provide the main control, transmission, and clock resources for the baseband unit; the baseband unit is used for baseband processing, and the main control provided by the common module is shared by the transmission of the interconnection interface, Transmit, clock resources, to avoid each baseband unit use its own master, transmission and clock, thus reducing costs.
本实施方式中， 公共模块提供基准时钟， 其频率是各制式基带单元所需 频率的倍数或约数， 各基带单元分别通过倍频或分频获得自身所需的时钟， 实现时钟资源的共享， 解决了不同制式的基带单元所使用的时钟可能不同的 问题。 其中， 用于实现各基带单元扩展互联用的接口可以是 Eia接口， 具体结 构如图 2所示。 In this embodiment, the common module provides a reference clock whose frequency is a multiple or a submultiple of the required frequency of each baseband unit, and each baseband unit obtains its own required clock by frequency multiplication or frequency division, thereby realizing sharing of clock resources. It solves the problem that the clocks used by different baseband units may be different. The interface used for extending the interconnection of each baseband unit may be an Eia interface, and the specific structure is shown in FIG. 2.
本实施方式中基带单元的制式有全球移动通信*** （Global System for Mobile communication, 简称 "GSM" )制式、码分多址 ( Code Division Multiple Access, 简称 "CDMA" )制式、 4敖波接入全球互通（ Worldwide Interoperability for Microwave Access, 简称 "WiMAX" )制式、宽带码分多址（ Wideband Code Division Multiple Access, 简称 "WCDMA" )制式、 长期演进（Long Term Evolution, 简称 " LTE" )制式等， 当然， 也可以新加入其他制式的基带单元， 如时分同步码分多址 ( Time Division Synchronous Code Division Multiple Access, 简称 "TD-SCDMA" ) 制式的基带单元、 CDMA2000制式的基带单 元、 个人手持电话***（Personal Handyphone System, 简称 "PHS" )制式的 基帶单元、 集群制式 （Trunk ) 的基带单元、 或空中接口演进（Air Interface Evolution, 简称 "AIE" )制式的基带单元等等， 本发明实施方式并不对具体 的制式作限定。 虽然不同制式的基带单元的基带处理逻辑不同， 每个基带单 元仍使用自已的基带处理逻辑， 但通过共享主控、 传输和时钟， 方便了不同 制式的基带单元组成多制式基站， 降低了多制式基站的成本。 同一基站中的 各基带处理单元还可以共享配电、 备电和监控资源， 以进一步降低多制式基 ；^。
各制式的基带单元与包含公共模块的基带单元可以至少通过以下方式之 一连接： In the present embodiment, the baseband unit has a Global System for Mobile communication ("GSM") standard, Code Division Multiple Access ("CDMA") standard, and 4 敖 wave access to the global system. Worldwide Interoperability for Microwave Access ("WiMAX"), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), etc. It is also possible to newly add baseband units of other standards, such as baseband units of the Time Division Synchronous Code Division Multiple Access (TD-SCDMA) system, baseband units of the CDMA2000 system, and personal handyphone systems ( The baseband unit of the Personal Handyphone System ("PHS") system, the baseband unit of the trunk system, or the baseband unit of the Air Interface Evolution (AIE) system, etc. The specific system is limited. Although the baseband processing logic of different baseband units is different, each baseband unit still uses its own baseband processing logic. However, by sharing the master control, transmission, and clock, it is convenient for different baseband units to form a multi-standard base station, which reduces the multi-standard system. The cost of the base station. Each baseband processing unit in the same base station can also share power distribution, backup power, and monitoring resources to further reduce the multi-standard base; The baseband unit of each system and the baseband unit including the common module may be connected by at least one of the following ways:
( 1 ) 链型互联， 其中含有公共模块的基带单元在链的一端， 各基带单元 串联在一个链上， 如图 3所示。 (1) Chain-type interconnection, in which the baseband unit containing the common module is at one end of the chain, and each baseband unit is connected in series on one chain, as shown in FIG.
( 2 ) 星型互联， 其中含有公共模块的基带单元在中心位置， 分别和各基 带单元连接， 如图 4所示。 (2) Star-shaped interconnection, in which the baseband unit containing the common module is connected to each baseband unit at the center position, as shown in Fig. 4.
( 3 ) 总线型互联， 其中含有公共模块的基带单元和各基带单元分別与同 一总线连接， 如图 5所示。 (3) Bus type interconnection, in which the baseband unit and the baseband unit including the common module are respectively connected to the same bus, as shown in FIG.
( 4 ) 环型互联， 其中含有公共模块的基带单元和各基带单元分别串接在 同一个环上， 如图 6所示。 (4) Ring-type interconnection, in which the baseband unit and the baseband unit containing the common module are respectively connected in series on the same ring, as shown in FIG. 6.
( 5 ) 交换型互联， 其中含有公共模块的基带单元和各基带单元分别与同 一交换机连接， 如图 7所示。 (5) Switched interconnection, in which the baseband unit and the baseband unit containing the common module are respectively connected to the same switch, as shown in FIG.
含有公共模块的基带单元与各基带单元之间可以通过链型、 星型、 总线 型、 环型、 交换型等各种方式互联， 增加了实际配置基站时的灵活性。 The baseband unit with the common module and each baseband unit can be interconnected by various methods such as chain type, star type, bus type, ring type, and switching type, which increases the flexibility when actually configuring the base station.
各制式的基带单元还包含基带射频接口， 用于直接或间接地和射频单元 连接， 传输操作维护信息 （0&M信息）和基带 IQ数据。 也就是说， 基带单元 的互联接口， 用于传输主控信息、 传输信息和时钟同步信息， 以实现多制式 的基带单元之间共享主控、 传输、 时钟资源； 基带单元的基带射频接口， 用 于传输 0&M信息和基带 IQ数据， 如图 8所示。 Each baseband unit also includes a baseband radio interface for direct or indirect connection to the radio unit, transmitting operational maintenance information (0&M information) and baseband IQ data. That is to say, the interconnection interface of the baseband unit is used for transmitting the main control information, the transmission information and the clock synchronization information, so as to share the main control, transmission and clock resources between the multi-standard baseband units; the baseband radio frequency interface of the baseband unit, The transmission of the O&M information and the baseband IQ data is as shown in FIG.
各基带单元可以分别通过基带射频接口与射频单元连接（如图 9所示） ， 以减少因为连接故障导致多个基带单元同时故障的可能性； 各基带单元也可 以先串联后再连接到射频单元（也是串联的） ， 如图 10所示， 使得各基带单 元之间可以共享同一个基带射频通道， 以降低成本， 特别适合射频单元在远 端的情况。 Each baseband unit can be connected to the radio frequency unit through the baseband radio frequency interface (as shown in FIG. 9), respectively, to reduce the possibility of simultaneous failure of multiple baseband units due to connection failure; each baseband unit can also be connected in series and then connected to the radio unit. (also in series), as shown in Figure 10, the same baseband RF channel can be shared between the baseband units to reduce cost, especially for the radio unit at the far end.
图 1 1为在实际应用中可能采用的实现多制式基站的示意图， 可能有两种 情况， 一种情况是在现有的基站中加入新的基带单元和公共模块（2G BBU、 3G BBU和包含公共模块的 BBU ) ,并且，在该基站中加入相关的射频单元（ 3G
MRRU ) 用于处理射频信号； 另一种情况是在现有的基站中已无法加入与新 加入的基带单元和公共模块（2G BBU、 3G BBU和包含公共模块的 BBU )相 关的射频单元（3G MRRU ) ， 因此需要通过配置远程射频单元（RRU ) , 实 现多制式基站。 当然， 这只是实现多制式基站的两种可能情况， 本发明实施 方式并不仅限于这两种情况。 Figure 11 is a schematic diagram of a multi-standard base station that may be used in practical applications. There may be two cases. One case is to add a new baseband unit and a common module (2G BBU, 3G BBU, and include) to the existing base station. BBU of the common module, and the relevant radio unit is added to the base station (3G) MRRU) is used to process radio frequency signals; another case is that RF units associated with newly added baseband units and common modules (2G BBUs, 3G BBUs, and BBUs containing common modules) cannot be added to existing base stations (3G) MRRU), therefore, it is necessary to implement a multi-standard base station by configuring a remote radio unit (RRU). Of course, this is only two possible scenarios for implementing a multi-standard base station, and embodiments of the present invention are not limited to these two cases.
由此可见， 在本实施方式中， 如果运营商需要支持新的无线制式， 也可 以通过基带单元的互联接口， 扩展新制式的基带单元。 这些不同容量， 不同 制式的 BBU可以安装在一个机柜或机架中， 通过互联接口相连， 并可以选择 共享主控、 传输、 时钟以及站点的配电、 备电和监控资源。 同时在基带单元 和射频单元之间实现多制式通用接口， 各个制式的基带单元既支持与射频单 元的直接连接， 也可以通过其它制式的基带单元与射频单元进行连接。 并且， 由于将用于基带处理的功能模块化为基带单元， 并通过实现基带单元之间的 互联接口， 使得基站设备可以针对运营商的主流需求进行优化， 而不是初始 配置就预留很多扩展槽位。 运营商可以根据需要配置小容量的基带单元， 未 来需要大容量配置时， 再通过 BBU之间的互联接口扩展新的基带单元。 It can be seen that in the present embodiment, if the operator needs to support the new wireless system, the baseband unit of the new system can also be extended through the interconnection interface of the baseband unit. These BBUs of different capacities and different systems can be installed in a cabinet or rack, connected through interconnect interfaces, and can choose to share the power distribution, backup, and monitoring resources of the main control, transmission, clock, and site. At the same time, a multi-standard universal interface is implemented between the baseband unit and the radio frequency unit. The baseband units of each system support the direct connection with the radio frequency unit, and can also be connected to the radio frequency unit through the baseband unit of other standards. Moreover, since the functions for baseband processing are modularized into baseband units, and the interconnection interface between the baseband units is implemented, the base station equipment can be optimized for the mainstream requirements of the operator, instead of the initial configuration, a lot of expansion slots are reserved. Bit. The operator can configure a small-capacity baseband unit as needed. When a large-capacity configuration is required in the future, the new baseband unit is extended through the interconnection interface between the BBUs.
此外， 可通过小型化设计和分散式安装基带单元， 达到基带单元隐身的 目的， 且无承重的问题。 因此， 只要原有移动电话运营商已经有基站站址， 就可以直接利用其室外宏基站内的剩余空间、 室内宏基站机房的机拒或机架 的剩余空间安装基带单元， 而不需要额外的为基站选址， 解决了移动电话运 营商基站地址选取困难的问题。 同时， 由于设备小型化分散安装， 使得移动 电话运营商可以大大缩短建网的时间， 实现快速建网。 In addition, the baseband unit can be concealed by miniaturization and decentralized mounting of the baseband unit, and there is no problem of bearing. Therefore, as long as the original mobile phone operator already has a base station site, the baseband unit can be directly installed by using the remaining space in the outdoor macro base station, the machine rejection of the indoor macro base station room, or the remaining space of the rack, without requiring an additional The location of the base station solves the problem that the base station address selection of the mobile phone carrier is difficult. At the same time, due to the miniaturization and decentralized installation of equipment, mobile phone operators can greatly shorten the time for network construction and achieve rapid network construction.
本实施方式中， 每个基带单元可以共享公共模块， 对外提供统一的控制 和传输接口功能， 简化了多制式基站的管理和维护， 4艮好地满足了运营商对 基站可维护性的要求。 In this embodiment, each baseband unit can share a common module, and provides a unified control and transmission interface function, which simplifies the management and maintenance of the multi-standard base station, and satisfies the operator's requirements for maintainability of the base station.
本发明的第二实施方式涉及基站设备， 本实施方式与第一实施方式大致 相同， 其区别仅在于， 在第一实施方式中， 公共模块包含在基站中的一个基 带单元中， 而在本实施方式中， 公共模块是独立的物理单元。
也就是说， 在第一实施方式中， 为了减少了对机框中独立空间的需求， 可以将公共模块包含在基站中的一个基带单元中， 而在本实施方式中， 将公 共模块设置为独立的物理单元， 以便在公共模块出故障时可以单独替换公共 模块， 降低了维护成本， 并且， 各基带单元功能较为统一， 便于批量生产。 The second embodiment of the present invention relates to a base station device, and the present embodiment is substantially the same as the first embodiment, except that in the first embodiment, the common module is included in one baseband unit in the base station, and in the present embodiment In the mode, the common module is an independent physical unit. That is, in the first embodiment, in order to reduce the requirement for the independent space in the chassis, the common module may be included in one baseband unit in the base station, and in the present embodiment, the common module is set to be independent. The physical unit can replace the common module separately when the common module fails, which reduces the maintenance cost, and the functions of each baseband unit are relatively uniform, which is convenient for mass production.
本发明的第三实施方式涉及基站中基带信号处理方法， 具体流程如图 12 所示。 A third embodiment of the present invention relates to a baseband signal processing method in a base station, and a specific process is shown in FIG.
在步骤 1210中， 基站内的各制式基带单元直接或间接地从共享的公共模 块获得主控、传输、时钟资源。比如说，基站中有 GSM制式的基带单元、 CDMA 制式的基带单元、 WiMAX制式的基带单元、 和 LTE制式的基带单元， 则这些 制式的基带单元从公共模块获得主控、 传输、 时钟资源。 当然本实施方式中 的基带单元也可以是其他制式， 如 WCDMA制式、 TD-SCDMA制式、 CDMA 2000制式、 PHS制式、 集群制式、 或 AIE制式等， 本实施方式不作具体限定。 In step 1210, each of the baseband units in the base station obtains the master, transmission, and clock resources directly or indirectly from the shared common module. For example, the base station includes a baseband unit of the GSM standard, a baseband unit of the CDMA system, a baseband unit of the WiMAX system, and a baseband unit of the LTE system, and the baseband units of these systems obtain the master control, transmission, and clock resources from the common module. Of course, the baseband unit in this embodiment may be other systems, such as a WCDMA system, a TD-SCDMA system, a CDMA2000 system, a PHS system, a cluster system, or an AIE system. The present embodiment is not specifically limited.
接着， 在步骤 1220中， 各制式的基带单元使用所获得的主控、 传输、 时 钟对基带信号进行处理。 比如说， 公共模块提供的基准时钟的频率是各制式 基带单元所需频率的倍数或约数， 那么， 各制式的基带单元对公共模块提供 的时钟进行倍频或分频获得自身所需的时钟， 并使用该时钟资源对基带信号 进行处理。 Next, in step 1220, the baseband units of each system process the baseband signals using the obtained master, transmission, and clock. For example, the frequency of the reference clock provided by the common module is a multiple or a multiple of the required frequency of each baseband unit. Then, the baseband units of each system multiply or divide the clock provided by the common module to obtain the clock required by itself. And use this clock resource to process the baseband signal.
由此可见， 在本实施方式中， 多个不同制式的基带单元可以共用一套部 件提供主控、 传输和时钟， 降低了成本， 并且， 在基站扩展时， 新加入的基 带单元也不再需要独立的主控、 传输、 时钟部件， 进一步降低了扩展成本。 It can be seen that, in this embodiment, a plurality of baseband units of different standards can share a set of components to provide master control, transmission, and clock, thereby reducing costs, and when the base station is expanded, the newly added baseband unit is no longer needed. Independent mastering, transmission, and clocking components further reduce expansion costs.
综上所述， 通过比较可以发现， 本发明的实施方式与现有技术的主要区 别在于， 由共享的公共模块向基站内各基带单元至少统一提供主控、 传输、 时钟功能之一， 而现有技术中每个基带单元各自使用自已的主控、 传输和时 钟。 通过共享， 在多个基带单元可以共用一套部件提供主控、 传输和时钟， . 降低了成本。 通过共享， 在基站扩展时， 新加入的基带单元不再需要独立的 主控、 传输、 时钟部件， 降低了扩展成本。 In summary, it can be found that the main difference between the embodiment of the present invention and the prior art is that at least one of the main control, transmission, and clock functions is uniformly provided by the shared common module to each baseband unit in the base station. In the art, each baseband unit uses its own master, transmission, and clock. By sharing, a plurality of baseband units can share a set of components to provide mastering, transmission, and clocking, reducing costs. By sharing, when the base station is expanded, the newly added baseband unit no longer needs independent master, transmission, and clock components, which reduces the expansion cost.
本发明实施方式可适用于同一基站中基带单元是不同制式的情况， 如
WCDMA、 GSM, LTE混合在一个基站中的情况。 不同制式的基带单元之间 最重要的区别是基带处理不同， 每个基带单元仍使用自已的基带处理逻辑， 但共享主控、 传输和时钟。 从而方便了不同制式的基带单元组成多制式基站， 降低了多制式基站的成本。 The embodiments of the present invention can be applied to the case where the baseband unit in the same base station is in different standards, such as WCDMA, GSM, LTE are mixed in one base station. The most important difference between baseband units of different standards is that the baseband processing is different. Each baseband unit still uses its own baseband processing logic, but shares the master, transmission, and clock. Therefore, the baseband units of different standards are formed to form a multi-standard base station, which reduces the cost of the multi-standard base station.
公共模块提供的基准时钟的频率是各制式基带单元所需频率的倍数或约 数， 各基带单元分别通过倍频或分频获得自身所需的时钟， 从而解决了不同 制式的基带单元所使用的时钟可能不同的问题。 The frequency of the reference clock provided by the common module is a multiple or a submultiple of the required frequency of each baseband unit, and each baseband unit obtains its own required clock by frequency multiplication or frequency division, thereby solving the use of the baseband unit of different standards. The clock may be different.
同一基站中的各基带处理单元可以共享配电、 备电和监控资源， 从而进 一步降低多制式基站的成本。 Each baseband processing unit in the same base station can share power distribution, backup power, and monitoring resources, thereby further reducing the cost of the multi-standard base station.
公共模块可以是独立的物理单元， 公共模块出故障时可以单独替换公 共模块， 降低了维护成本。 各基带单元功能较为统一， 便于批量生产。 The common module can be a separate physical unit. When the common module fails, the public module can be replaced separately, which reduces maintenance costs. Each baseband unit has a uniform function and is convenient for mass production.
公共模块也可以是基站中某个基带单元的一部分， 从而减少了对机框中 独立空间的需求。 The common module can also be part of a baseband unit in the base station, thereby reducing the need for a separate space in the chassis.
公共模块与各基带单元之间可以通过链型、 星型、 总线型、 环型、 交换 型等各种方式互联， 从而增加了实际配置基站时的灵活性。 The common module and each baseband unit can be interconnected by various methods such as chain type, star type, bus type, ring type, and switching type, thereby increasing flexibility in actually configuring the base station.
各基带单元可以分别与射频单元连接， 从而减少因为连接故障导致多个 基带单元同时故障的可能性。 Each of the baseband units can be separately connected to the radio frequency unit, thereby reducing the possibility of simultaneous failure of the plurality of baseband units due to connection failure.
各基带单元也可以先串联后再连接到射频单元， 这样各基带单元可以共 享同一个射频线路， P条低成本， 特别适合射频单元在远端的情况。 The baseband units can also be connected in series and then connected to the radio frequency unit, so that the baseband units can share the same radio frequency line, and the P strips are low-cost, and are particularly suitable for the radio unit at the far end.
虽然通过参照本发明的某些优选实施方式， 已经对本发明进行了图示和 描述， 但本领域的普通技术人员应该明白， 可以在形式上和细节上对其作各 种改变， 而不偏离本发明的精神和范围。
While the invention has been illustrated and described with reference to the preferred embodiments embodiments The spirit and scope of the invention.
Claims
1、 一种基站， 其中包含至少二个用于基带处理的基带单元， 其特征在于， 还包含公共模块， 用于为基带单元至少提供主控、 传输、 时钟之一； A base station, comprising at least two baseband units for baseband processing, characterized by further comprising a common module, configured to provide at least one of a master control, a transmission, and a clock for the baseband unit;
所述公共模块与各所述基带单元以直接或间接的方式连接； The common module is connected to each of the baseband units in a direct or indirect manner;
每个基带单元至少使用所述公共模块提供的主控、 传输、 时钟之一。 Each baseband unit uses at least one of a master, a transmission, and a clock provided by the common module.
2、 根据权利要求 1所述的基站， 其特征在于， 同一基站中的各所述基带 单元分别归属于至少两种制式。 2. The base station according to claim 1, wherein each of said baseband units in the same base station is respectively assigned to at least two systems.
3、 根据权利要求 2所述的基站， 其特征在于， 所述基带单元的制式包括： 全球移动通信***制式、 码分多址制式、 微波接入全球互通制式、 宽带 码分多址制式、 时分同步码分多址制式、 码分多址制式 2000制式、 个人手持 电话***制式、 集群制式、 长期演进制式或空中接口演进制式。 The base station according to claim 2, wherein the baseband unit includes: a global mobile communication system standard, a code division multiple access system, a microwave access global interworking system, a wideband code division multiple access system, and a time division Synchronous code division multiple access system, code division multiple access system 2000 system, personal handy phone system standard, cluster system, long term evolution system or air interface evolution system.
4、 根据权利要求 2所述的基站， 其特征在于， 所述公共模块向各基带单 元提供基准时钟， 该基准时钟的频率是各制式基带单元所需频率的倍数或约 数， 各基带单元分别通过倍频或分频获得自身所需的时钟。 The base station according to claim 2, wherein the common module provides a reference clock to each baseband unit, and the frequency of the reference clock is a multiple or a multiple of a frequency required by each baseband unit, and each baseband unit is respectively Get the clock you want by multiplying or dividing.
5、 根据权利要求 1所述的基站， 其特征在于， 同一基站中的各基带单元 共享配电、 备电和监控资源。 5. The base station according to claim 1, wherein each baseband unit in the same base station shares power distribution, backup power, and monitoring resources.
6 根据权利要求 1所述的基站， 其特征在于， 所述公共模块是独立的物 理单元， 或， 所述公共模块作为基带单元的一部分存在于基站中的一个基带 单元中。 The base station according to claim 1, wherein the common module is an independent physical unit, or the common module exists as a part of a baseband unit in a baseband unit in the base station.
7、 根据权利要求 6所述的基站， 其特征在于， 所述公共模块或含有公共 模块的基带单元和各基带单元至少通过以下方式之一连接： The base station according to claim 6, wherein the common module or the baseband unit and the baseband unit including the common module are connected by at least one of the following ways:
链型互联， 其中所述公共模块或含有公共模块的基带单元在链的一端， 各基带单元串联在一个链上； Chain type interconnection, wherein the common module or the baseband unit containing the common module is at one end of the chain, and each baseband unit is connected in series on one chain;
星型互联， 其中所述公共模块或含有公共模块的基带单元在中心位置， 分别和各基带单元连接； a star interconnect, wherein the common module or a baseband unit containing a common module is connected to each baseband unit at a central location;
总线型互联， 其中所述公共模块或含有公共模块的基带单元和各基带单
元分别与同一总线连接； Bus type interconnection, wherein the common module or baseband unit and common baseband unit having a common module The elements are respectively connected to the same bus;
环型互联， 其中所述公共模块或含有公共模块的基带单元和各基带单元 分别串接在同一个环上； a ring type interconnect, wherein the common module or the baseband unit and the baseband unit including the common module are respectively connected in series on the same ring;
交换型互联， 其中所述公共模块或含有公共模块的基带单元和各基带单 元分别与同一交换机连接。 A switched type interconnect, wherein the common module or the baseband unit and the baseband unit including the common module are respectively connected to the same switch.
8、 根据权利要求 1所述的基站， 其特征在于， 所述基带单元包含第一接 口， 用于与所述公共模块或其它基带单元连接， 第一接口至少传输主控、 传 输、 时钟之一。 The base station according to claim 1, wherein the baseband unit includes a first interface for connecting to the common module or other baseband unit, and the first interface transmits at least one of a master, a transmission, and a clock. .
9、 根据权利要求 1所述的基站， 其特征在于， 还包含至少一个用于射频 信号处理的射频单元； The base station according to claim 1, further comprising at least one radio frequency unit for radio frequency signal processing;
所述基带单元还包含第二接口， 用于直接或间接地和射频单元连接， 传 输所述射频单元的操作维护信息和基带 IQ数据。 The baseband unit further includes a second interface for directly or indirectly connecting to the radio frequency unit to transmit operational maintenance information and baseband IQ data of the radio frequency unit.
10、 根据权利要求 9所述的基站， 其特征在于， 各基带单元分别通过第二 接口与射频单元连接； 或者， The base station according to claim 9, wherein each baseband unit is respectively connected to the radio frequency unit through the second interface; or
各基带单元通过第二接口串联后与射频单元连接， 各基带单元之间共享 同一个基带射频通道。 Each baseband unit is connected in series with the radio frequency unit through the second interface, and each baseband unit shares the same baseband radio frequency channel.
1 1、 一种基站中基带信号处理方法， 其特征在于， 包含以下步骤： 基带单元直接或间接地从共享的公共模块获得主控、 传输、 时钟之一； 该基带单元至少使用所获得的主控、 传输、 时钟之一对基带信号进行处 理。 A baseband signal processing method in a base station, comprising: the baseband unit directly or indirectly obtaining one of a master, a transmission, and a clock from a shared common module; the baseband unit using at least the obtained master One of the control, transmission, and clock processes the baseband signal.
12、 根据权利要求 11所述的基站中基带信号处理方法， 其特征在于， 同 一基站中的各所述基带单元分别归属于至少两种制式； The method for processing a baseband signal in a base station according to claim 11, wherein each of the baseband units in the same base station is respectively assigned to at least two modes;
所述基带单元的制式包括： The system of the baseband unit includes:
全球移动通信***制式、 码分多址制式、 微波接入全球互通制式、 宽带 码分多址制式、 时分同步码分多址制式、 码分多址制式 2000制式、 个人手持 电话***制式、 集群制式、 长期演进制式或空中接口演进制式。 Global System for Mobile Communications, Code Division Multiple Access, Global Interoperability for Microwave Access, Wideband Code Division Multiple Access, Time Division Synchronous Code Division Multiple Access, Code Division Multiple Access System 2000, Personal Handset System, Cluster Long-term evolution or air interface evolution.
13、 根据权利要求 1 1所述的基站中基带信号处理方法， 其特征在于， 所
述公共模块向各基带单元提供基准时钟， 该基准时钟的频率是各制式基带单 元所需频率的倍数或约数， 各基带单元分别通过倍频或分频获得自身所需的 时钟。 13. The baseband signal processing method in a base station according to claim 11, wherein The common module provides a reference clock to each baseband unit. The frequency of the reference clock is a multiple or a multiple of the required frequency of each baseband unit. Each baseband unit obtains its own required clock by frequency multiplication or frequency division.
14、 一种无线通信***， 其特征在于， 该***中包含至少一个如权利要 求 1至 1 0中任一项所述的多制式基站。
A wireless communication system, characterized in that it comprises at least one multi-system base station according to any one of claims 1 to 10.
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