WO2012116606A1 - 一种频谱资源分配方法及装置 - Google Patents

一种频谱资源分配方法及装置 Download PDF

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Publication number
WO2012116606A1
WO2012116606A1 PCT/CN2012/071397 CN2012071397W WO2012116606A1 WO 2012116606 A1 WO2012116606 A1 WO 2012116606A1 CN 2012071397 W CN2012071397 W CN 2012071397W WO 2012116606 A1 WO2012116606 A1 WO 2012116606A1
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Prior art keywords
spectrum resource
access device
wireless access
shared spectrum
shared
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PCT/CN2012/071397
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English (en)
French (fr)
Inventor
韩立锋
毛磊
Original Assignee
中兴通讯股份有限公司
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Publication of WO2012116606A1 publication Critical patent/WO2012116606A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks

Definitions

  • the present invention relates to a radio access technology, and more particularly to a spectrum resource allocation method and apparatus. Background technique
  • a wireless access technology refers to a communication technology that uses a microwave, satellite, infrared, or the like to connect a user terminal to a service node to provide various services for the user.
  • the wireless access technology is divided into fixed wireless access technology and mobile wireless access technology.
  • mobile radio access technology is the technology adopted by cellular mobile telephone systems and satellite communication systems.
  • the mobile radio access technology service targets the mobile terminal, that is, realizes information exchange between the mobile terminal and the fixed terminal or the mobile terminal.
  • fixed wireless access technology may be employed for fixed location users or groups of users moving only within a small range.
  • a wireless access system generally consists of a wireless access device and a terminal, and the terminal can be connected to a backbone network or other wireless access network through a wireless access device.
  • FIG. 1 is a schematic diagram of a topology of an existing wireless access system. As shown in FIG. 1 , a wireless interface is used between the terminal and the wireless access device, and different wireless access technologies may be adopted.
  • the wireless access device and the wireless access device may be a wireless interface or a wired interface, and the wireless access device and the backbone network are wired interfaces.
  • the main purpose of the present invention is to provide a method and an apparatus for allocating spectrum resources, which can meet the demand for large bandwidth of services and ensure continuity of terminal services.
  • a method for allocating spectrum resources including:
  • the wireless access device listens to shared spectrum resources and uses idle shared spectrum resources.
  • the wireless access device is: using the same radio access technology and using fixed spectrum resources in the same coverage area;
  • the dividing the available spectrum resources into the basic spectrum resources and the shared spectrum resources includes: the wireless access device selecting, or being designated to adopt, or configuring the basic spectrum resources through the network management; the remaining spectrum in the fixed spectrum resources Resources are shared spectrum resources.
  • the intercepting the shared spectrum resource is: the wireless access device detects whether the shared spectrum resource is idle by listening to the cell signal on the shared spectrum, and if the shared spectrum resource detects the cell signal in the same location area, Indicates that the shared spectrum resource has been used.
  • the determining whether the shared spectrum resource is idle specifically includes:
  • the wireless access device If the wireless access device discovers that some or all of the shared spectrum resources of the fixed spectrum resource are not used by downlink listening, the wireless access device uses part or all of the idle spectrum resources;
  • the radio access device finds that the shared spectrum resource of the fixed spectrum resource has been used by using the downlink listening, after waiting for the preset duration t1, the radio access device detects the preset sniffer. After the number of listens N, the shared spectrum resource cannot be used, and the listening is stopped.
  • the intercepting the shared spectrum resource is: the wireless access device specifies the terminal it serves, and detects whether the shared spectrum resource is idle by listening to the cell signal on the shared spectrum, if the shared spectrum resource is detected in the The cell signal of the same location area indicates that the shared spectrum resource has been used.
  • the determining whether the shared spectrum resource is idle specifically includes:
  • the first event is reported to the wireless access device, indicating that the cell is found on the shared spectrum resource, The wireless access device cannot use the shared spectrum resource;
  • the terminal After the radio access device waits for the preset duration t1, the terminal is again selected to perform the interception; if the terminal is still unable to use the shared spectrum resource after the preset snooping number N, the wireless access device stops the terminal from detecting Listen
  • the terminal reports the second event to the wireless access device, indicating that the second event is not found.
  • the wireless access device uses some or all of the shared spectrum resources that are idle.
  • the wireless access device specifies that the terminal it serves includes: randomly selecting, or selecting according to a preset policy;
  • the designated terminals are one or more.
  • the method also includes:
  • the radio access device uses the idle spectrum resource for a preset duration t2, the shared spectrum resource used is released; or
  • the wireless access device releases the shared spectrum resource used when it determines that the basic spectrum resource is used to meet the needs of the user.
  • a spectrum resource allocation apparatus includes at least an allocation unit and a sharing unit, where the allocation unit is configured to divide the usable spectrum resources into basic spectrum resources and shared spectrum resources;
  • the sharing unit is configured to listen to the shared spectrum resource and use the idle shared spectrum resource when the wireless access device needs to expand the capacity.
  • the sharing unit specifically includes a listening module, configured to listen to the shared spectrum resource and use the idle shared spectrum resource when the wireless access device needs to expand the capacity.
  • the sharing unit specifically includes a notification/processing module, configured to notify a terminal that is served by the wireless access device to listen to the shared spectrum resource when the wireless access device needs to expand the capacity; and receive the listening result, Idle shared spectrum resources displayed using the listening results.
  • a notification/processing module configured to notify a terminal that is served by the wireless access device to listen to the shared spectrum resource when the wireless access device needs to expand the capacity; and receive the listening result, Idle shared spectrum resources displayed using the listening results.
  • the spectrum resource that can be used is divided into a basic spectrum resource and a shared spectrum resource, and when the wireless access device needs to expand the capacity, the shared spectrum resource is intercepted, and the idle sharing is used.
  • the multiple access devices share the spectrum resource allocated to the associated wireless access technology by using multiple radio access devices in the present invention.
  • the wireless access device ensures the use of the basic spectrum resources. Providing continuous service services to the terminal, and sharing the use of shared spectrum resources in a time-sharing manner, and providing a high-speed service, satisfies the demand for large bandwidth of the service, and does not cause interference between the wireless access devices.
  • 1 is a schematic diagram of a topology structure of an existing wireless access system
  • 2 is a schematic flowchart of a method for allocating a spectrum resource according to the present invention
  • FIG. 3 is a schematic structural diagram of a spectrum resource allocation apparatus according to the present invention.
  • FIG. 4 is a schematic flowchart of a first embodiment of a method for allocating a spectrum resource according to the present invention
  • FIG. 5 is a schematic flowchart of a second embodiment of a method for allocating a spectrum resource according to the present invention.
  • Step 200 Divide a usable spectrum resource into a basic spectrum resource and a shared spectrum resource.
  • the spectrum resources that can be used by the radio access equipment using the radio access technology in the same coverage area are fixed. In order to make full use of the spectrum resources and provide continuous radio access services, in this step, these fixed spectrum resources are divided.
  • Basic resource resources and shared spectrum resources are divided.
  • the basic spectrum resource is the smallest available spectrum resource of each wireless access device, and the wireless access device can always use the basic spectrum resource after being accessed;
  • the shared spectrum resource is a spectrum resource shared by multiple wireless access devices, and multiple wireless resources.
  • the access device can share the use of this part of the spectrum resources in the time domain by means of competition.
  • the wireless access device selects itself (for example, 60M bandwidth, each device can use 20M bandwidth, then each device can choose 20M by itself), or is designated to configure basic spectrum resources, for example, by the radio committee or through the network management.
  • Step 201 When the wireless access device needs to expand the capacity, it listens to the shared spectrum resource and uses the idle shared spectrum resource.
  • the radio access device itself or the radio access device, specifies the terminal it serves, and determines whether the shared spectrum resource is idle by listening to the cell signal on the shared spectrum.
  • the number of listening attempts and the attempt interval of the wireless access device or the served terminal may be preset.
  • the wireless access device specifies that the terminal it serves may be: randomly selected; or, according to a preset policy selection.
  • the specified terminal is one or more.
  • the pre-set policy may include selecting information according to the signal quality of the terminal, and/or geographic location, and/or terminal capability, such as Select a terminal with good signal quality, and/or close to the wireless access device, and/or have the specified capabilities.
  • multiple radio access devices flexibly share all the spectrum resources allocated to the associated radio access technology, and the radio access device ensures that the terminal provides continuous service services through the basic spectrum resources, and simultaneously shares the
  • the time-sharing sharing of spectrum resources provides high-speed services, which meets the demand for large bandwidth of services, and does not cause interference between wireless access devices.
  • a spectrum resource allocation device is also provided, and the composition thereof is as shown in FIG. 3, and at least includes an allocation unit and a sharing unit, where
  • An allocation unit configured to divide available spectrum resources into basic spectrum resources and shared spectrum resources
  • the sharing unit is configured to listen to the shared spectrum resource and use the idle shared spectrum resource when the wireless access device needs to expand the capacity.
  • the spectrum resource allocation device of the present invention is disposed in a wireless access device.
  • the sharing unit specifically includes a listening module, configured to listen to the shared spectrum resource and use the idle shared spectrum resource when the wireless access device needs to expand the capacity; or
  • the sharing unit specifically includes a notification/processing module, configured to notify the terminal that is served by the wireless access device that the wireless access device needs to expand the capacity, and listen to the shared spectrum resource; receive the interception result, use the detect Listen to the results of the idle shared spectrum resources.
  • 4 is a schematic flowchart of a first embodiment of a method for allocating a spectrum resource according to the present invention.
  • a wireless access device monitors the usage of a shared spectrum resource as an example, and assumes that the wireless access device 1 and the wireless connection are Incoming device 2 provides wireless access service in the same coverage area, wireless access
  • the spectrum resources used by the device 1 and the wireless access device 2 are fixed, and are assumed to be 100 M bandwidth on the specified 2.6 GHz.
  • the method includes:
  • Step 400 The wireless access device 1 is powered on, and provides basic service services by using basic spectrum resources.
  • the 100M bandwidth on the specified 2.6 GHz is divided into basic spectrum resources and shared spectrum resources.
  • the basic spectrum resource is the minimum available spectrum resource of each wireless access device, and the wireless access device can always use the basic spectrum resource after being accessed;
  • the shared spectrum resource is a spectrum resource shared by multiple wireless access devices, and multiple wireless interfaces are used.
  • the ingress device shares this portion of the spectrum resource on the time domain.
  • the basic spectrum resources are configured by the network management system, and the basic spectrum resources that each wireless access device (ie, the wireless access device 1 and the wireless access device 2) can use are 20M, and the shared spectrum resources are shared. It is 60M. Then, the radio access device 1 and the radio access device 2 respectively provide basic services for the terminal using the usable 20M basic spectrum resources. When the wireless access device 1 or the wireless access device 2 turns off or stops the service, the basic spectrum resources used are released.
  • Step 401 The wireless access device 1 needs to expand capacity and listen to shared spectrum resources.
  • the radio access device 1 and the radio access device 2 expand the capacity by sharing spectrum resources to provide higher speed data services to the served terminals.
  • the radio access device 1 competes to occupy the shared spectrum resource by determining the usage of the shared spectrum resource, and specifically determines whether the spectrum is adopted by listening to the cell signal on the shared spectrum resource, for example, belonging to The cell signal quality of the shared spectrum is lower than the preset threshold X2 or the cell signal on the shared spectrum resource is not detected.
  • the cell signal refers to a downlink transmission signal of a cell that uses the shared spectrum resource, and may include a broadcast signal or a reference signal or an indication signal indicating the presence of the cell.
  • the threshold X2 can be selected but not limited to -80dbm, 85dbm, -90dbm, and the like.
  • Steps 402 to 404 Whether the shared spectrum resource is idle, if yes, go to step 405; otherwise, when the number of attempts does not exceed the preset value, wait for the preset duration t1 and then return to step 402. End this process when the preset value is exceeded.
  • the shared spectrum resource detects a cell signal in the same location area, then the shared spectrum resource has been used. Specifically: if the wireless access device 1 discovers that some or all of the 60M shared spectrum resources are not used by downlink listening, the wireless access device 1 may use some or all of the idle spectrum resources; if the wireless access device 1 Listening to the shared spectrum resource and discovering that the shared spectrum resource has been used. For example, the quality of the cell signal occupying the shared spectrum resource is higher than the preset threshold XI, and then wait for the preset duration tl, then initiate the interception, and then wirelessly connect. After the device 1 listens to the preset number of intercepts N and still cannot use the shared spectrum resource, it stops listening.
  • the value of the preset duration tl may be randomly selected by the wireless access device.
  • the value of tl may be selected but not limited to 1 second, 10 seconds, 1 minute, and the like.
  • the preset number of snoops N is configurable.
  • the value of N can be selected but not limited to 1 time, 10 times, 20 times, and so on.
  • Threshold XI can be selected but not limited to -80dbm, 85dbm, -90dbm, etc.
  • Step 405 The radio access device 1 uses the idle shared spectrum resource.
  • the method of the embodiment further includes: the radio access device 1 uses the idle spectrum resource duration t2 to release the used shared spectrum resource, and the duration t2 may be set according to a certain rule, for example, a policy; or The wireless access device 1 can automatically release the shared spectrum resource used by comparing the service demand of the served user with the capacity that the system can provide, or measuring the basic spectrum resource to meet the user's needs by means of a cell load situation. .
  • the value of t2 can be selected but is not limited to 10 minutes, 30 minutes, 1 hour, and the like.
  • FIG. 5 is a schematic flowchart of a second embodiment of a method for allocating a spectrum resource according to the present invention.
  • a wireless access device selects a terminal to listen to the usage of the shared spectrum resource, and assumes that the wireless access device 1 and The radio access device 2 provides radio access services in the same coverage area, and the spectrum resources used by the radio access device 1 and the radio access device 2 are fixed, and are assumed to be 100 M bandwidth on the specified 2.6 GHz; Show, including:
  • Step 500 The wireless access device 1 is powered on, and provides basic service services by using basic spectrum resources.
  • the 100M bandwidth on the specified 2.6 GHz is divided into basic spectrum resources and shared spectrum resources.
  • the basic spectrum resource is the minimum available spectrum resource of each wireless access device, and the wireless access device can always use the basic spectrum resource after being accessed;
  • the shared spectrum resource is a spectrum resource shared by multiple wireless access devices, and multiple wireless interfaces are used.
  • the ingress device shares this portion of the spectrum resource on the time domain.
  • the basic spectrum resources are configured by the network management system, and the basic spectrum resources that each wireless access device (ie, the wireless access device 1 and the wireless access device 2) can use are 20M, and the shared spectrum resources are shared. It is 60M. Then, the radio access device 1 and the radio access device 2 respectively provide basic services for the terminal using the usable 20M basic spectrum resources. When the wireless access device 1 or the wireless access device 2 turns off or stops the service, the basic spectrum resources used are released.
  • Step 501 The wireless access device 1 needs to expand the capacity, and select the served terminal to listen to the shared spectrum resource.
  • the radio access device 1 and the radio access device 2 expand the capacity by sharing spectrum resources to provide higher speed data services to the served terminals.
  • the radio access device 1 instructs the served terminal to listen to the cell signal on the shared spectrum resource by sending a measurement control command or the like, and the terminal immediately reports the downlink transmission signal of the cell on the shared spectrum resource, and immediately reports the signal to the cell.
  • the downlink transmission signal of the cell refers to a broadcast signal or a reference signal or an indication signal indicating the presence of a cell, and the like.
  • Step 502 to step 504 Whether the shared spectrum resource is idle, if yes, go to step 505; otherwise, when the number of attempts does not exceed the preset value, wait for the preset duration t1 and then return to step 502, and end the process when the preset value is exceeded. .
  • the threshold value of the event reported by the terminal may be set.
  • the terminal reports the A1 event to the wireless access device 1, indicating If the cell on the shared spectrum resource is found, the wireless access device 1 cannot use the shared spectrum resource; the wireless access device 1 waits for the preset duration tl, and then selects again.
  • the terminal is configured to listen; if the terminal is still unable to use the shared spectrum resource after listening to the preset number of intercepts N, the wireless access device 1 stops the listening of the terminal.
  • the terminal reports the A2 event to the wireless access device 1, indicating that the shared spectrum is not found.
  • the cell on the resource, the radio access device 1 can share some or all of the shared spectrum resources.
  • the radio access device 1 may select multiple terminals to measure the cell signal quality of the shared spectrum resource at random or according to a certain policy, and the policy may include the signal quality according to the terminal, and/or the geographic location. And/or terminal capabilities and other information to choose.
  • Step 505 The wireless access device 1 uses the shared spectrum resource.
  • the method of the embodiment further includes: the radio access device 1 uses the idle spectrum resource duration t2 to release the used shared spectrum resource, and the duration t2 may be set according to a certain rule, for example, a policy; or The wireless access device 1 can automatically release the shared spectrum resources used by comparing the service requirements of all users and the capacity that the system can provide, or by using the basic spectrum resources to measure the requirements of the user through the method of the cell load.
  • the invention discloses a spectrum resource allocation method and device, wherein the method comprises: dividing the usable spectrum resource into a basic spectrum resource and a shared spectrum resource; the wireless access device listening to the shared spectrum resource and using the idle shared spectrum resource .
  • the multiple access devices share the spectrum resource allocated to the associated wireless access technology by using multiple radio access devices in the present invention.
  • the wireless access device ensures the use of the basic spectrum resources. Provide continuous service services to the terminal, and share the use of shared spectrum resources in a time-sharing manner. It provides high-speed services, meets the demand for large bandwidth of services, and does not cause interference between wireless access devices.

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Description

一种频谱资源分配方法及装置 技术领域
本发明涉及无线接入技术, 尤指一种频谱资源分配方法及装置。 背景技术
在无线通信系统中, 无线接入技术是指利用微波、 卫星、 红外线等传 输方式将用户终端接入到业务节点, 为用户提供各种业务的通信技术。
无线接入技术分为固定无线接入技术和移动无线接入技术两种。 其中, 移动无线接入技术就是蜂窝移动电话系统和卫星通信系统所采用的技术。 移动无线接入技术服务的对象是移动终端, 即实现移动终端与固定终端或 移动终端之间的信息交换。 而对于固定位置的用户或仅在小范围内移动的 用户群体, 则可采用固定无线接入技术。
在通信网中, 无线接入系统的定位是本地通信网的一部分, 即是本地 有线通信网的延伸、 补充和临时应急系统。 无线接入系统一般由无线接入 设备和终端组成, 终端可以通过无线接入设备, 与骨干网或其他无线接入 网相连接。 图 1为现有无线接入系统的拓朴结构示意图, 如图 1所示, 终 端和无线接入设备之间是无线接口, 可以采用不同的无线接入技术。 无线 接入设备和无线接入设备之间可以是无线接口或有线接口, 无线接入设备 和骨干网之间是有线接口。
随着移动互联网 (Mobile Internet )和智能手机的普及, 移动数据流量 需求飞速增长。 室内和热点地区数据业务体现为低速移动, 带宽需求大, 流量需求高, 业务以纯 IP数据互联网业务为主, 业务质量(QoS )要求单 一等特点。 为了满足这种数据业务的需求, 移动无线接入技术需要具备一 些特征, 比如大带宽: 多媒体互联网业务日益丰富, 数据业务带宽需求较 大; 大流量: 各种大带宽的数据卡和智能终端, 对总的流量需求也在增加 等。 而频谱资源是有限的, 即分给不同无线技术使用的频谱资源是固定分 配的。 这样, 对于同一覆盖区域采用相同无线接入技术的无线接入设备如 果采用相同的频谱会造成干扰, 使得无线信道质量变差, 影响用户的业务 提供。
如果多个业务频分复用所有分配的频谱资源, 那么, 又不能满足大带 宽的需求; 如果多个无线接入设备时分复用所有分配的频谱资源, 那么, 无线接入设备在某些时隙是没有频谱资源可用的, 又不能保证其服务的终 端业务的连续性。 因此, 多个无线接入设备如何使用频谱资源是一个待解 决的问题。 发明内容
有鉴于此, 本发明的主要目的在于提供一种频谱资源分配方法及装置, 能够满足业务对大带宽的需求, 同时保证终端业务的连续性。
为达到上述目的, 本发明的技术方案是这样实现的:
一种频谱资源分配方法, 包括:
将可使用的频谱资源分为基本频谱资源和共享频谱资源;
无线接入设备侦听共享频谱资源, 并使用空闲的共享频谱资源。
所述无线接入设备为: 同一覆盖区域内采用同一种无线接入技术、 使 用固定频谱资源;
所述将可使用的频谱资源分为基本频谱资源和共享频谱资源包括: 所述无线接入设备自行选择、 或被指定采用、 或通过网管配置基本频 谱资源; 所述固定频谱资源中剩余的频谱资源为共享频谱资源。
所述侦听共享频谱资源为: 所述无线接入设备通过侦听共享频谱上的 小区信号来确定共享频谱资源是否空闲, 如果在所述共享频谱资源侦听到 在同一位置区域的小区信号, 表明所述共享频谱资源已被使用。 所述确定共享频谱资源是否空闲具体包括:
如果所述无线接入设备通过下行侦听发现所述固定频谱资源的共享频 谱资源中一部分或全部没有被使用, 则所述无线接入设备使用空闲的部分 或全部空闲的频谱资源;
如果所述无线接入设备通过下行侦听发现所述固定频谱资源的共享频 谱资源都已被使用, 则等待预设时长 tl后, 再发起侦听, 所述无线接入设 备侦听预设侦听次数 N后, 仍然无法使用共享频谱资源, 则停止侦听。
所述侦听共享频谱资源为: 所述无线接入设备指定其所服务的终端, 通过侦听共享频谱上的小区信号来确定共享频谱资源是否空闲, 如果在所 述共享频谱资源侦听到在同一位置区域的小区信号, 表明所述共享频谱资 源已被使用。
所述确定共享频谱资源是否空闲具体包括:
当所述终端测量到的占用所属共享频谱资源的小区信号质量高于预设 门限值 XI时, 向所述无线接入设备上报第一事件, 说明发现在共享频谱资 源上的小区, 则所述无线接入设备不能使用该共享频谱资源;
所述无线接入设备等待预设时长 tl后, 再次选取终端进行侦听; 如果 终端侦听预设侦听次数 N后, 仍然无法使用共享频谱资源, 则所述无线接 入设备停止终端的侦听;
如果所述终端测量的占用所属共享频谱的小区信号质量低于预设门限 X2, 或者, 没有测量到所属共享频谱资源的小区信号, 所述终端向无线接 入设备上报第二事件, 说明没有发现在共享频谱资源上的小区, 所述无线 接入设备使用空闲的部分或全部共享频谱资源。
所述无线接入设备指定其所服务的终端包括: 随机选择, 或者, 按照 预先设置的策略选择;
所述指定的终端为一个或一个以上。 该方法还包括:
所述无线接入设备使用空闲的频谱资源预设时长 t2后, 释放所使用的 共享频谱资源; 或者,
所述无线接入设备在确定出采用基本频谱资源可满足用户的需求时, 释放所使用的共享频谱资源。
一种频谱资源分配装置, 至少包括分配单元和共享单元, 其中, 分配单元, 用于将可使用的频谱资源分为基本频谱资源和共享频谱资 源;
共享单元, 用于在无线接入设备需要扩大容量时, 侦听共享频谱资源, 并使用空闲的共享频谱资源。
所述共享单元具体包括侦听模块, 用于在无线接入设备需要扩大容量 时, 侦听共享频谱资源, 并使用空闲的共享频谱资源。
所述共享单元具体包括通知 /处理模块, 用于在无线接入设备需要扩大 容量时, 通知有无线接入设备指定的其所服务的终端, 对共享频谱资源进 行侦听; 接收侦听结果, 使用侦听结果显示的空闲的共享频谱资源。
从上述本发明提供的技术方案可以看出, 包括将可使用的频谱资源分 为基本频谱资源和共享频谱资源, 在无线接入设备需要扩大容量时, 侦听 共享频谱资源, 并使用空闲的共享频谱资源。 通过本发明多个无线接入设 备共享使用频谱资源的方案, 多个无线接入设备灵活地共用了所有分配给 所属无线接入技术使用的频谱资源, 无线接入设备通过基本频谱资源, 保 证了给终端提供连续的业务服务, 同时对共享频谱资源的分时共享使用, 又提供了高速率的业务, 满足了业务对大带宽的需求, 并且无线接入设备 间不会造成干扰。 附图说明
图 1为现有无线接入系统的拓朴结构示意图; 图 2为本发明频谱资源分配方法的流程示意图;
图 3为本发明频谱资源分配装置的组成结构示意图;
图 4为本发明频谱资源分配方法的第一实施例的流程示意图; 图 5为本发明频谱资源分配方法的第二实施例的流程示意图。 具体实施方式
图 2为本发明频谱资源分配方法的流程示意图, 如图 2所示, 包括: 步驟 200: 将可使用的频谱资源分为基本频谱资源和共享频谱资源。 在同一覆盖区域采用某种无线接入技术的无线接入设备可使用的频谱 资源是固定的, 为了充分利用频谱资源和提供连续的无线接入服务, 本步 驟中, 将这些固定的频谱资源划分为基本频谱资源和共享频谱资源。 其中, 基本频谱资源是每个无线接入设备的最小可用频谱资源, 无线接入设备接 入后可一直使用基本频谱资源; 共享频谱资源是多个无线接入设备共享的 频谱资源, 多个无线接入设备可以通过竟争的方式, 在时域上共享使用这 部分频谱资源。
无线接入设备自行选择(例如有 60M带宽,每个设备可使用 20M带宽, 那么每个设备可自行选择 20M )、 或被指定采用例如是无线电委员会指定、 或通过网管配置基本频谱资源。
步驟 201 : 无线接入设备需要扩大容量时, 侦听共享频谱资源, 并使用 空闲的共享频谱资源。
本步驟中, 无线接入设备自身, 或无线接入设备指定其所服务的终端, 通过侦听共享频谱上小区信号来确定共享频谱资源是否空闲。 无线接入设 备或所服务的终端的侦听尝试次数和尝试间隔可以是预先设置的。 其中, 无线接入设备指定其所服务的终端可以是: 随机选择; 或者, 按照预先设 置的策略选择。 指定的终端为一个或一个以上。 预先设置的策略可以包含 按照终端的信号质量、 和 /或地理位置、 和 /或终端能力等信息来选取, 比如 选择信号质量好的, 和 /或距离无线接入设备近的, 和 /或具有指定能力的终 端。 需要说明的是, 对于信号质量的测量、 或地理位置信息的获取、 或终 端能力信息的获得的实现方式, 本领域技术人员是容易获得的, 其具体实 现方法不属于本发明的保护范围, 也不用于限定本发明的保护范围。
通过本发明方法, 多个无线接入设备灵活地共用了所有分配给所属无 线接入技术使用的频谱资源, 无线接入设备通过基本频谱资源, 保证了给 终端提供连续的业务服务, 同时对共享频谱资源的分时共享使用, 又提供 了高速率的业务, 满足了业务对大带宽的需求, 并且无线接入设备间不会 造成干扰。
针对本发明方法,还提供一种图频谱资源分配装置, 其组成结构如图 3 所示, 至少包括分配单元和共享单元, 其中,
分配单元, 用于将可使用的频谱资源分为基本频谱资源和共享频谱资 源;
共享单元, 用于在无线接入设备需要扩大容量时, 侦听共享频谱资源, 并使用空闲的共享频谱资源。
本发明频谱资源分配装置设置在无线接入设备中。
其中, 共享单元具体包括侦听模块, 用于在无线接入设备需要扩大容 量时, 侦听共享频谱资源, 并使用空闲的共享频谱资源; 或者,
共享单元具体包括通知 /处理模块, 用于在无线接入设备需要扩大容量 时, 通知有无线接入设备指定的其所服务的终端, 对共享频谱资源进行侦 听; 接收侦听结果, 使用侦听结果显示的空闲的共享频谱资源。 图 4为本发明频谱资源分配方法的第一实施例的流程示意图, 第一实 施例中, 以无线接入设备侦听共享频谱资源的使用情况为例, 并假设无线 接入设备 1和无线接入设备 2在同一覆盖区域提供无线接入服务, 无线接 入设备 1 和无线接入设备 2使用的频谱资源是固定的, 并假设是规定的 2.6GHZ上的 100M带宽; 如图 4所示, 包括:
步驟 400:无线接入设备 1上电,采用基本频谱资源提供基本业务服务。 为了充分利用频谱资源和提供连续的无线接入服务, 在第一实施例中, 将规定的 2.6GHZ上的 100M带宽分为基本频谱资源和共享频谱资源。其中, 基本频谱资源是每个无线接入设备最小可用频谱资源, 无线接入设备接入 后可一直使用基本频谱资源; 共享频谱资源是多个无线接入设备共享的频 谱资源, 多个无线接入设备在时域上共享使用这部分频谱资源。
第一实施例中, 假设通过网管配置基本频谱资源, 可以预先配置每个 无线接入设备 (即无线接入设备 1和无线接入设备 2 )可以使用的基本频谱 资源均为 20M, 共享频谱资源为 60M。 那么, 无线接入设备 1和无线接入 设备 2分别使用可使用的 20M基本频谱资源为终端提供基本服务。 无线接 入设备 1或无线接入设备 2关闭或停止服务时, 释放使用的基本频谱资源。
步驟 401 : 无线接入设备 1需要扩大容量, 侦听共享频谱资源。
本实施例中, 无线接入设备 1和无线接入设备 2通过共享频谱资源来 扩大容量, 以给所服务的终端提供更高速的数据业务。
本步驟中, 无线接入设备 1 通过确定共享频谱资源的使用情况来竟争 抢占共享频谱资源, 具体可以通过侦听共享频谱资源上的小区信号的方式 来确定该频谱是否被采用, 例如, 所属共享频谱的小区信号质量低于预设 门限 X2或者没有侦听到共享频谱资源上的小区信号。 其中, 小区信号指采 用共享频谱资源的小区的下行发送信号, 可以包含广播信号或参考信号或 一个指示小区存在的指示信号等。 例如门限值 X2 可以选择但不限于 -80dbm、 85dbm、 -90dbm等。
步驟 402〜步驟 404: 共享频谱资源是否空闲, 如果是, 进入步驟 405; 否则, 在尝试次数没有超过预设值时, 等待预设时长 tl后返回步驟 402, 在超过预设值时结束本流程。
如果在共享频谱资源侦听到在同一位置区域的小区信号, 则说明共享 频谱资源已被使用。 具体地: 如果无线接入设备 1通过下行侦听发现 60M 的共享频谱资源中一部分或全部没有被使用, 则无线接入设备 1 可以使用 空闲的部分或全部空闲的频谱资源; 如果无线接入设备 1 侦听共享频谱资 源, 发现共享频谱资源都已被使用, 例如占用所属共享频谱资源的小区信 号质量高于预设门限值 XI , 则等待预设时长 tl后, 再发起侦听, 无线接入 设备 1侦听预设侦听次数 N后, 仍然无法使用共享频谱资源, 则停止侦听。 其中, 预设时长 tl的值可以是无线接入设备随机选取的, 例如 tl取值可以 选择但不限于 1秒钟、 10秒钟、 1分钟等。 预设侦听次数 N是可设置的, 例如 N取值可以选择但不限于 1次, 10次, 20次等。 门限值 XI可以选择 但不限于 -80dbm、 85dbm、 -90dbm等。
步驟 405: 无线接入设备 1使用空闲的共享频谱资源。
本实施例方法还包括: 无线接入设备 1使用空闲的频谱资源时长 t2后 释放所使用的共享频谱资源, 这个时长 t2可以是按照某种规则设定的, 例 如是政策规定; 或者, 也可以是无线接入设备 1 通过比较所服务用户的业 务需求和系统可提供的容量, 或通过小区负荷情况等方法衡量采用基本频 谱资源就可以满足用户的需求, 则可以自动释放所使用的共享频谱资源。 例如, t2取值可以选择但不限于 10分钟、 30分钟、 1小时等。
图 5 为本发明频谱资源分配方法的第二实施例的流程示意图, 第二实 施例中, 以无线接入设备选择终端侦听共享频谱资源的使用情况为例, 并 假设无线接入设备 1和无线接入设备 2在同一覆盖区域提供无线接入服务, 无线接入设备 1和无线接入设备 2使用的频谱资源是固定的, 并假设是规 定的 2.6GHZ上的 100M带宽; 如图 5所示, 包括:
步驟 500:无线接入设备 1上电,采用基本频谱资源提供基本业务服务。 为了充分利用频谱资源和提供连续的无线接入服务, 在第一实施例中, 将规定的 2.6GHZ上的 100M带宽分为基本频谱资源和共享频谱资源。其中, 基本频谱资源是每个无线接入设备最小可用频谱资源, 无线接入设备接入 后可一直使用基本频谱资源; 共享频谱资源是多个无线接入设备共享的频 谱资源, 多个无线接入设备在时域上共享使用这部分频谱资源。
第二实施例中, 假设通过网管配置基本频谱资源, 可以预先配置每个 无线接入设备 (即无线接入设备 1和无线接入设备 2 )可以使用的基本频谱 资源均为 20M, 共享频谱资源为 60M。 那么, 无线接入设备 1和无线接入 设备 2分别使用可使用的 20M基本频谱资源为终端提供基本服务。 无线接 入设备 1或无线接入设备 2关闭或停止服务时, 释放使用的基本频谱资源。
步驟 501 : 无线接入设备 1需要扩大容量,选择所服务的终端侦听共享 频谱资源。
本实施例中, 无线接入设备 1和无线接入设备 2通过共享频谱资源来 扩大容量, 以给所服务的终端提供更高速的数据业务。
本步驟中, 无线接入设备 1 通过发送测量控制命令等方法指示所服务 的终端来侦听共享频谱资源上的小区信号, 终端侦听到共享频谱资源上的 小区下行发送信号, 则立即上报给无线接入设备 1。 所述小区下行发送信号 是指广播信号或参考信号或一个指示小区存在的指示信号等。
步驟 502〜步驟 504: 共享频谱资源是否空闲, 如果是, 进入步驟 505; 否则, 在尝试次数没有超过预设值时, 等待预设时长 tl后返回步驟 502, 在超过预设值时结束本流程。
本步驟中, 可以设置终端上报事件的门限值, 当终端测量到的占用所 属共享频谱资源的小区信号质量高于预设门限值 XI时,终端向无线接入设 备 1上报 A1事件,说明发现了在共享频谱资源上的小区, 则无线接入设备 1不能使用该共享频谱资源; 无线接入设备 1等待预设时长 tl后, 再次选 取终端进行侦听; 如果终端侦听预设侦听次数 N后, 仍然无法使用共享频 谱资源, 则无线接入设备 1停止终端的侦听。
如果终端测量的占用所属共享频谱的小区信号质量低于预设门限 X2 时, 或者没有测量到所属共享频谱资源的小区信号时, 终端向无线接入设 备 1上报 A2事件, 说明没有发现在共享频谱资源上的小区, 无线接入设备 1可以使用空闲的部分或全部共享频谱资源。
需要说明的是, 无线接入设备 1 可以随机或者按照一定策略来选取多 个终端对共享频谱资源的小区信号质量进行测量, 所述的策略可以包含按 照终端的信号质量, 和 /或地理位置, 和 /或终端能力等信息来选取。
步驟 505: 无线接入设备 1使用共享频谱资源。
本实施例方法还包括: 无线接入设备 1使用空闲的频谱资源时长 t2后 释放所使用的共享频谱资源, 这个时长 t2可以是按照某种规则设定的, 例 如是政策规定; 或者, 也可以是无线接入设备 1 通过比较所有用户的业务 需求和系统可提供的容量, 或通过小区负荷情况等方法衡量采用基本频谱 资源就可以满足用户的需求, 则可以自动释放所使用的共享频谱资源。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围, 凡在本发明的精神和原则之内所作的任何修改、 等同替换和改进 等, 均应包含在本发明的保护范围之内。 工业实用性
本发明公开了一种频谱资源分配方法及装置, 其中方法包括: 将可使 用的频谱资源分为基本频谱资源和共享频谱资源; 无线接入设备侦听共享 频谱资源, 并使用空闲的共享频谱资源。 通过本发明多个无线接入设备共 享使用频谱资源的方案, 多个无线接入设备灵活地共用了所有分配给所属 无线接入技术使用的频谱资源, 无线接入设备通过基本频谱资源, 保证了 给终端提供连续的业务服务, 同时对共享频谱资源的分时共享使用, 又提 供了高速率的业务, 满足了业务对大带宽的需求, 并且无线接入设备间不 会造成干扰。

Claims

权利要求书
1、 一种频谱资源分配方法, 其特征在于, 包括:
将可使用的频谱资源分为基本频谱资源和共享频谱资源;
无线接入设备侦听共享频谱资源, 并使用空闲的共享频谱资源。
2、 根据权利要求 1所述的频谱资源分配方法, 其特征在于, 所述无线 接入设备为: 同一覆盖区域内采用同一种无线接入技术、 使用固定频谱资 源;
所述将可使用的频谱资源分为基本频谱资源和共享频谱资源包括: 所述无线接入设备自行选择、 或被指定采用、 或通过网管配置基本频 谱资源; 所述固定频谱资源中剩余的频谱资源为共享频谱资源。
3、 根据权利要求 1所述的频谱资源分配方法, 其特征在于, 所述侦听 共享频谱资源为: 所述无线接入设备通过侦听共享频谱上的小区信号来确 定共享频谱资源是否空闲, 如果在所述共享频谱资源侦听到在同一位置区 域的小区信号, 表明所述共享频谱资源已被使用。
4、 根据权利要求 3所述的频谱资源分配方法, 其特征在于, 所述确定 共享频谱资源是否空闲具体包括:
如果所述无线接入设备通过下行侦听发现所述固定频谱资源的共享频 谱资源中一部分或全部没有被使用, 则所述无线接入设备使用空闲的部分 或全部空闲的频谱资源;
如果所述无线接入设备通过下行侦听发现所述固定频谱资源的共享频 谱资源都已被使用, 则等待预设时长 tl后, 再发起侦听, 所述无线接入设 备侦听预设侦听次数 N后, 仍然无法使用共享频谱资源, 则停止侦听。
5、 根据权利要求 1所述的频谱资源分配方法, 其特征在于, 所述侦听 共享频谱资源为: 所述无线接入设备指定其所服务的终端, 通过侦听共享 频谱上的小区信号来确定共享频谱资源是否空闲, 如果在所述共享频谱资 源侦听到在同一位置区域的小区信号, 表明所述共享频谱资源已被使用。
6、 根据权利要求 5所述的频谱资源分配方法, 其特征在于, 所述确定 共享频谱资源是否空闲具体包括:
当所述终端测量到的占用所属共享频谱资源的小区信号质量高于预设 门限值 XI时, 向所述无线接入设备上报第一事件, 说明发现在共享频谱资 源上的小区, 则所述无线接入设备不能使用该共享频谱资源;
所述无线接入设备等待预设时长 tl后, 再次选取终端进行侦听; 如果 终端侦听预设侦听次数 N后, 仍然无法使用共享频谱资源, 则所述无线接 入设备停止终端的侦听;
如果所述终端测量的占用所属共享频谱的小区信号质量低于预设门限 X2, 或者, 没有测量到所属共享频谱资源的小区信号, 所述终端向无线接 入设备上报第二事件, 说明没有发现在共享频谱资源上的小区, 所述无线 接入设备使用空闲的部分或全部共享频谱资源。
7、 根据权利要求 6所述的频谱资源分配方法, 其特征在于, 所述无线 接入设备指定其所服务的终端包括: 随机选择, 或者, 按照预先设置的策 略选择;
所述指定的终端为一个或一个以上。
8、 根据权利要求 1至 7任一所述的频谱资源分配方法, 其特征在于, 该方法还包括:
所述无线接入设备使用空闲的频谱资源预设时长 t2后, 释放所使用的 共享频谱资源; 或者,
所述无线接入设备在确定出采用基本频谱资源可满足用户的需求时, 释放所使用的共享频谱资源。
9、 一种频谱资源分配装置, 其特征在于, 至少包括分配单元和共享单 元, 其中, 分配单元, 用于将可使用的频谱资源分为基本频谱资源和共享频谱资 源;
共享单元, 用于在无线接入设备需要扩大容量时, 侦听共享频谱资源, 并使用空闲的共享频谱资源。
10、 根据权利要求 9所述的频谱资源分配装置, 其特征在于, 所述共 享单元具体包括侦听模块, 用于在无线接入设备需要扩大容量时, 侦听共 享频谱资源, 并使用空闲的共享频谱资源。
11、 根据权利要求 9所述的频谱资源分配装置, 其特征在于, 所述共 享单元具体包括通知 /处理模块, 用于在无线接入设备需要扩大容量时, 通 知有无线接入设备指定的其所服务的终端, 对共享频谱资源进行侦听; 接 收侦听结果, 使用侦听结果显示的空闲的共享频谱资源。
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Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103404188B (zh) * 2012-12-27 2017-06-16 华为技术有限公司 频谱资源共享方法及基站
WO2014205627A1 (zh) * 2013-06-24 2014-12-31 华为技术有限公司 不同运营商通信设备交互信息的方法、装置和设备
WO2015042822A1 (zh) * 2013-09-26 2015-04-02 上海贝尔股份有限公司 一种用于分配邻居发现资源的方法
EP3029975B1 (en) * 2013-09-30 2017-11-15 Huawei Technologies Co., Ltd. Shared spectrum occupation methods and device
CN104735729B (zh) * 2013-12-20 2019-06-25 中国移动通信集团公司 资源调度、信息处理方法、基站、基带处理器及用户设备
CN105379334B (zh) * 2014-03-26 2019-06-28 华为技术有限公司 调度共享频谱的方法和装置
CN105704832B (zh) * 2014-11-25 2019-11-26 北京佰才邦技术有限公司 接入设备的选频方法、装置和系统
CN107079300B (zh) * 2014-11-28 2020-05-08 华为技术有限公司 使用频谱资源进行通信的方法和通信设备
CN106170998B (zh) * 2015-02-28 2019-06-21 华为技术有限公司 一种频带共享的方法、装置以及系统
WO2016197315A1 (en) * 2015-06-09 2016-12-15 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for transmitting and receiving data
CN106375075B (zh) * 2015-07-21 2019-05-28 普天信息技术有限公司 一种共享频段上行多子带资源分配方法和基站
CN105611537B (zh) * 2015-12-18 2019-03-15 北京邮电大学 一种未授权频段的信道复用方法及装置
CN106941675A (zh) * 2016-01-05 2017-07-11 中兴通讯股份有限公司 一种分配频谱资源的方法及系统
CN107027182B (zh) * 2016-02-02 2020-08-28 中国移动通信集团浙江有限公司 资源分配方法及装置
CN109286988B (zh) * 2017-07-19 2021-01-08 维沃移动通信有限公司 非授权频段下的传输方法、设备及计算机可读存储介质
WO2019080994A1 (en) 2017-10-24 2019-05-02 Telefonaktiebolaget Lm Ericsson (Publ) TECHNIQUE TO LISTEN AFTER SPEAKING
CN112584501B (zh) * 2019-09-29 2022-05-31 成都鼎桥通信技术有限公司 单向频段配对处理方法、装置、基站设备和可读存储介质
CN112996004A (zh) * 2019-12-02 2021-06-18 中兴通讯股份有限公司 资源的确定方法、装置、存储介质及电子装置
CN112532310B (zh) * 2020-12-21 2022-11-15 国网浙江省电力有限公司信息通信分公司 卫星应急通信与泛在卫星物联网频谱共享方法及装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101039509A (zh) * 2006-03-17 2007-09-19 中兴通讯股份有限公司 高速下行共享信道和专用信道的信道迁移方法
CN101433103A (zh) * 2006-04-26 2009-05-13 诺基亚公司 无线电系统中的频谱利用
US20100056167A1 (en) * 2008-08-29 2010-03-04 Ntt Docomo, Inc. Method for interference-minimizing resource block-size selection at a macrocell, a microcell and a femtocell
CN101778435A (zh) * 2010-01-13 2010-07-14 北京邮电大学 一种异构无线网络中频谱资源的分配方法及装置
TW201043060A (en) * 2008-11-19 2010-12-01 Wi Lan Inc Systems and etiquette for home gateways using white space

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008088254A1 (en) * 2007-01-15 2008-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Dynamic frequency band allocation between radio communication networks
US8880083B2 (en) * 2009-04-28 2014-11-04 Apple Inc. Methods and apparatus for configuration of femtocells in a wireless network
CN101635928B (zh) * 2009-08-25 2012-02-01 华为技术有限公司 共享频谱资源的方法、设备及系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101039509A (zh) * 2006-03-17 2007-09-19 中兴通讯股份有限公司 高速下行共享信道和专用信道的信道迁移方法
CN101433103A (zh) * 2006-04-26 2009-05-13 诺基亚公司 无线电系统中的频谱利用
US20100056167A1 (en) * 2008-08-29 2010-03-04 Ntt Docomo, Inc. Method for interference-minimizing resource block-size selection at a macrocell, a microcell and a femtocell
TW201043060A (en) * 2008-11-19 2010-12-01 Wi Lan Inc Systems and etiquette for home gateways using white space
CN101778435A (zh) * 2010-01-13 2010-07-14 北京邮电大学 一种异构无线网络中频谱资源的分配方法及装置

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