WO2013060205A1 - 一种实现资源重配的方法和系统 - Google Patents
一种实现资源重配的方法和系统 Download PDFInfo
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- WO2013060205A1 WO2013060205A1 PCT/CN2012/081436 CN2012081436W WO2013060205A1 WO 2013060205 A1 WO2013060205 A1 WO 2013060205A1 CN 2012081436 W CN2012081436 W CN 2012081436W WO 2013060205 A1 WO2013060205 A1 WO 2013060205A1
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- reconfiguration
- resource
- base station
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 176
- 238000012544 monitoring process Methods 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 10
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000001149 cognitive effect Effects 0.000 abstract description 6
- 238000001228 spectrum Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
Definitions
- the present invention relates to the field of communications, and in particular, to a method and system for implementing resource reconfiguration. Background technique
- Spectrum resources are the basis for the survival of radio services, but spectrum resources are limited.
- spectrum resources are becoming more and more tense; on the other hand, in the traditional fixed spectrum allocation mode, the utilization rate of frequency resources is not high.
- RATs radio access technologies
- CR Cognitive Radio
- the module for controlling the reconfiguration of resources is a reconfiguration module (Reconfiguration Entity), which can be set in a communication entity such as a base station, and is mainly used to monitor the resource utilization status of the base station and re-resource the resources.
- the allocation when it comes to system changes or new system layout, requires the control control of the policy control center. The specific logical relationship is shown in Figure 1.
- the policy control center when the policy control center has new system requirements, it indicates that the reconfiguration module performs system upgrade or spectrum re-engineering; when no new system is involved, the reconfiguration module can independently manage resource reconfiguration and notify reconfigurable Base station (Reconfigured Base Station, RBS) for resource allocation and adjustment, also The radio resource management (RRM) function entity performs assistance processing. After the base station reconfiguration is completed, the terminal in the cell is notified to perform resource adjustment.
- IMT-Band International Mobile Telecommunication Band
- the core operation is to reconfigure the new frequency band that the module can use or to re-adjust the existing frequency band, and then deliver the available spectrum resources. Reassign commands to the base station.
- the reconfiguration module since the reconfiguration module only makes reconfiguration decisions based on the monitoring situation on the network side or the situation reported by the base station side, whether the reconfiguration result is suitable for the reconfiguration of the base station and the terminal, the reconfiguration module is not clear.
- the new frequency band may have interference to other frequency bands, which may affect the overall operation and user experience of the network, and reduce the benefits of resource reconfiguration. Summary of the invention
- the main object of the present invention is to provide a method and system for realizing resource reconfiguration to ensure the success rate of resource reconfiguration and improve resource utilization.
- a method for realizing resource reconfiguration including:
- the base station sends a resource reconfiguration command to the terminal with the measurement capability according to the reconfiguration control decision, and instructs the terminal to perform measurement and reporting;
- the base station implements resource reconfiguration based on the received reconfiguration measurement result reported by the terminal.
- the process of implementing resource reconfiguration by the base station based on the received reconfiguration measurement result reported by the terminal includes:
- the base station performs control processing according to the received reconfiguration measurement result, or combines the reconfiguration measurement result with its own measurement information and reports it to the reconfiguration module for resource reconfiguration in the network. Block, resource reconfiguration by the reconfiguration module based on the received reconfiguration measurement results and measurement information.
- the process of the base station instructing the terminal to perform measurement and reporting includes:
- the terminal performs measurement according to the frequency band resource information indicated in the resource reconfiguration command to determine whether there is interference. If the measurement signal of the specified measurement frequency band is greater than a preset threshold, the terminal considers that interference exists;
- the terminal replies to the reconfiguration measurement report to the base station; when there is no interference, the terminal replies with the acknowledgment information to the base station.
- the method further includes: the default resource reconfiguration succeeds.
- the base station After receiving the reconfiguration measurement result of the terminal, the base station further performs resource reconfiguration on the terminal by using the available frequency band, and returns the reconfigured frequency band resource information to the reconfiguration module used for resource reconfiguration in the network.
- the base station After the base station sends the resource reconfiguration command to the terminal, the base station starts the reconfiguration monitoring timer. If the base station receives the reconfiguration measurement report of the terminal within the time range of the reconfiguration monitoring timer, the reconfiguration monitoring timer stops. Timing, the base station performs resource reconfiguration or reports the reconfiguration measurement report to the reconfiguration module for resource reconfiguration in the network; if the reconfiguration monitoring timer expires, the base station does not receive the reconfiguration measurement report of the terminal, and considers the resource Rematched successfully.
- the resource reconfiguration command includes one or more frequency band resources
- the reconfiguration measurement is performed and the reconfiguration measurement report is fed back to the base station;
- the terminal measures the plurality of frequency band resources and reports the reconfiguration measurement report to the base station, and after determining the available frequency band resources, the base station returns the confirmed available frequency band resource information to the reconfiguration module;
- the reconfiguration measurement report includes status information of whether there is interference corresponding to each frequency band resource.
- a system for realizing resource reconfiguration including a base station and a terminal having measurement capability; wherein the base station is configured to send a resource reconfiguration command to the measurement energy according to the reconfiguration control decision The terminal of the force, instructing the terminal to perform measurement and reporting; and realizing resource reconfiguration based on the reconfiguration measurement result reported by the terminal;
- the terminal is configured to perform reconfiguration measurement according to the received resource reconfiguration command and report the reconfiguration measurement result.
- the method is used to: perform control processing according to the received reconfiguration measurement result, or combine the reconfiguration measurement result with its own measurement information. And reporting to the reconfiguration module for performing resource reconfiguration in the network, and triggering the reconfiguration module to perform resource reconfiguration based on the received reconfiguration measurement result and the measurement information.
- the method is configured to: perform measurement according to the frequency band resource information indicated in the resource reconfiguration command to determine whether interference exists, and if the measurement signal of the specified measurement frequency band is greater than the pre- If the threshold is set, it is considered that there is interference; when there is interference, the reconfiguration measurement report is sent to the base station; when there is no interference, the confirmation information is returned to the base station.
- the base station is further configured to: the default resource reconfiguration succeeds when there is no interference.
- the base station After receiving the reconfiguration measurement result of the terminal, the base station is further configured to:
- the available frequency band is used to re-allocate the terminal, and the re-allocated module resource information for resource re-allocation in the network is replied to.
- system further includes a reconfiguration monitoring timer
- the reconfiguration monitoring timer is used to:
- the reconfiguration monitoring timer stops counting
- the base station is further configured to:
- the reconfiguration monitoring timer stops counting, perform resource reconfiguration or report a reconfiguration measurement report to the reconfiguration module for resource reconfiguration in the network; if the reconfiguration monitoring timer expires, If the base station does not receive the reconfiguration measurement report of the terminal, the resource reconfiguration is considered successful.
- the resource reconfiguration command includes one or more frequency band resources
- the terminal is configured to perform reconfiguration measurement and feed back a reconfiguration measurement report to the base station after accessing the corresponding frequency band resource;
- the terminal is configured to measure a plurality of frequency band resources and report a reconfiguration measurement report to the base station, and after determining the available frequency band resources, the base station returns the confirmed available frequency band resources to the reconfiguration module.
- Information; the reconfiguration measurement report includes status information of whether there is interference corresponding to each frequency band resource.
- the technology for realizing resource reconfiguration of the invention can ensure the success rate of resource reconfiguration in the cognitive system, and the resource utilization rate can be effectively improved.
- Figure 1 is an architectural diagram of a logical entity of a cognitive system
- FIG. 2 is a flowchart of reconfiguration of a frequency band resource according to an embodiment of the present invention
- FIG. 3 is a flowchart of reconfiguration optimization of multiple frequency band resources according to an embodiment of the present invention.
- FIG. 5 is a schematic flowchart of implementing resource reconfiguration optimization according to an embodiment of the present invention.
- the base station may send a resource reconfiguration command to the terminal with the measurement capability according to the reconfiguration control decision of the reconfiguration module, and instruct the terminal to perform measurement and report.
- the base station performs resource reconfiguration based on the reconfiguration measurement result reported by the terminal, for example, the base station performs control processing according to the received reconfiguration measurement result, or combines the reconfiguration measurement result with its own measurement information and reports it to the base station.
- the reconfiguration module performs resource reconfiguration based on the received reconfiguration measurement results and measurement information by the reconfiguration module.
- the base station may perform corresponding Control processing, such as at least one of interference control, power control, and load control; and, the base station may also combine its own measurement information with the reconfiguration measurement result from the terminal, and report the combined reconfiguration measurement result and measurement information.
- the reconfiguration module is processed by the reconfiguration module based on the reconfiguration measurement results and measurement information.
- the terminal with measurement capability includes an access point device, a mobile terminal, and the like.
- the access point device may be a relay node or the like
- the mobile terminal may be a user equipment (UE) or the like.
- UE user equipment
- the resource reconfiguration command includes one or more frequency band resources (frequency points, bandwidths), and may also include: an effective time length, an area range, measurement configuration information, and transmission parameter restriction information (power size, interference). Threshold) and so on.
- the base station instructs the terminal to perform measurement and reporting, and when the terminal performs reconfiguration measurement according to the received resource reconfiguration command, it performs measurement according to the frequency band resource information indicated in the resource reconfiguration command to determine whether there is interference, if the measurement frequency band is specified.
- the measurement signal may be an absolute value, such as RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), or Signal Interference Noise Ratio (SINR).
- RSRP Reference Signal Received Power
- RSRQ Reference Signal Received Quality
- SINR Signal Interference Noise Ratio
- the terminal replies to the reconfiguration measurement report to the base station; when there is no interference, the terminal replies with the acknowledgment information to the base station.
- the default resource reconfiguration succeeds.
- the measurement information of the base station includes: at least one of uplink received interference power and uplink thermal noise power.
- the base station may also start a reconfiguration monitoring timer (hereinafter referred to as a timer); if the base station receives the reconfiguration measurement report of the terminal within the timer range of the timer, the timer stops counting.
- the base station performs resource reconfiguration or reports the reconfiguration measurement report to the reconfiguration module. If the base station does not receive the reconfiguration measurement report of the terminal when the timer expires, the resource reconfiguration is considered successful, and the reconfiguration is performed to the reconfiguration module. The message is confirmed to confirm that the reconfiguration is complete. Further, the reconfiguration measurement report feedback process may be performed after the terminal accesses the working frequency point.
- the terminal may measure the corresponding multiple frequency bands and feed back the status information of each frequency band to the base station.
- the status information includes: interference signal measurement information, and may further include band identification information that can be used for confirmation.
- the base station after receiving the reconfiguration measurement result of the terminal, performs resource reconfiguration on the terminal by using the available frequency band, and returns the reconfigured frequency band resource information to the reconfiguration module.
- Embodiment 1 The base station receives the resource reconfiguration command of the reconfiguration module, and sends a band resource information, and the terminal performs reconfiguration measurement and feedback, as shown in the process shown in FIG. 2:
- the monitoring status of the network side or the reconfiguration request of the base station triggers the reconfiguration module to perform resource reconfiguration.
- the reconfiguration module runs the reconfiguration algorithm to generate a reconfiguration decision and sends a reconfiguration command to the base station according to the indication to indicate that the base station needs to perform resource re-use. Match.
- the reconfiguration command includes: an available frequency band resource (frequency point, bandwidth), and may also include the following information: maximum transmit power allowed by the terminal, available time available, valid area range, and the like.
- the base station After receiving the reconfiguration command, the base station sends an RRC (Radio Resource Control) reconfiguration command to the connected terminal, and can also notify the terminal in the idle state by using the broadcast system message.
- the broadcast system message may be an MIB (Master Information Block) or a SIB1 (System Information Block 1).
- the notification content may also include: measurement configuration information of the new frequency point, such as measurement identifier, measurement object (frequency), measurement period, measurement record number, measurement gap, etc. .
- the terminal After receiving the RRC reconfiguration command or the broadcast system message, the terminal enters the new frequency band resource. A line cycle or event triggers a measurement. If the measured signal is greater than the preset threshold, that is, the re-matched new frequency point interferes with the adjacent frequency or other frequency points of the local area, the terminal in the connected state immediately reports the reconfiguration measurement report to the base station; the terminal in the idle state then After entering the connected state, the reconfiguration measurement report is reported to the base station.
- the reconfiguration measurement report includes: a new frequency point of reconfiguration, a geographical location area, interference information, and the like.
- the geographic location area may be a cell identifier, or GPS location information
- the interference information may be an interference signal strength, a signal to interference ratio, or the like.
- the measurement signal can be an absolute value such as RSRP, RSRQ or SINR. If the new frequency point does not cause interference to other frequency points and/or is not interfered by other frequency points, the terminal does not perform the foregoing feedback, and the base station default resource reconfiguration succeeds.
- the reconfiguration measurement report may further include: a channel quality indicator CQI (Channel Quality Indicator), a precoding matrix indication PMI (Precoding Matrix Indicator), rank indicator RI ( Rank Indicator), and the like.
- CQI Channel Quality Indicator
- PMI Precoding Matrix Indicator
- rank indicator RI Rank Indicator
- the base station After receiving the reconfiguration measurement report, if the base station can perform interference control and/or power control on the access network side, the base station runs the interference control and/or the power control algorithm and re-issues the resource reconfiguration command to the terminal; otherwise, The base station sends a reconfiguration measurement report to the reconfiguration module in conjunction with its own measurement information.
- the measurement information of the base station may include: uplink received interference power, and uplink thermal noise power.
- the reconfiguration module runs a reconfiguration algorithm according to the reconfiguration measurement report of the terminal and the measurement information of the base station itself, according to which a new frequency band resource is allocated to the base station, and the base station reconfigures the allocated resource to the terminal, thereby completing the resource reconfiguration process. .
- the base station After receiving the resource reconfiguration command, the base station sends multiple frequency band resource information, and the related measurement configuration information can be carried in two messages. See the process shown in Figure 3:
- the monitoring status of the network side or the reconfiguration request of the base station triggers the reconfiguration module to perform resource reconfiguration.
- the reconfiguration module runs the reconfiguration algorithm to generate a reconfiguration decision and sends a reconfiguration command to the base station according to the indication to indicate that the base station needs to perform resource re-use. Match.
- the reconfiguration command includes: a plurality of available frequency band resources (a list of frequency points and bandwidths).
- the base station After receiving the reconfiguration command, the base station sends an RRC reconfiguration command to the terminal in the connected state, and may also notify the terminal in the idle state by using a broadcast system message, where the RRC reconfiguration command or the broadcast system message includes: multiple new Band resource information list, measurement configuration information for each frequency point.
- the terminal After receiving the RRC reconfiguration command or the broadcast system message, the terminal performs periodic or event trigger measurement on each new frequency band resource. If the measured signal is greater than the preset threshold, that is, the re-matched new frequency point interferes with the adjacent frequency or other frequency points of the local area, the terminal in the connected state immediately reports the reconfiguration measurement report to the base station; the terminal in the idle state then After entering the connected state, the reconfiguration measurement report is reported to the base station. For frequency points that do not interfere with other frequency points and/or are not interfered by other frequency points, they are indicated by a symbol.
- the base station selects a frequency point that interferes with the most frequency, or a frequency point that is not interfered with the frequency, and then re-issues the RRC reconfiguration command to the terminal according to the received reconfiguration measurement report.
- the new RRC reconfiguration command includes:
- the available frequency band resources may also include: transmit power, frequency offset, cell identity, cell attribute, etc.).
- the cell attribute may be: a CSG (Close Subscriber Group) cell.
- the reconfiguration measurement report and its own measurement information are combined and reported to the reconfiguration module, and the reconfiguration module re-executes the reconfiguration.
- the decision is made to deliver a resource reconfiguration command containing the new available frequency band resource to the base station, and the base station re-allocates the resource to the terminal again.
- Embodiment 3 After the RRC reconfiguration command is sent by the base station, the base station performs control by using a timer. It has frequency interference or feedback when it is interfered by other frequency points. Otherwise, it does not feedback. See the process shown in Figure 4:
- the monitoring status of the network side or the reconfiguration request of the base station triggers the reconfiguration module to perform resource reconfiguration.
- the reconfiguration module runs the reconfiguration algorithm to generate a reconfiguration decision and sends a reconfiguration command to the base station according to the indication to indicate that the base station needs to perform resource re-use. Match.
- the reconfiguration command includes: one or more available band resources (frequency, bandwidth), and may also include the following information: maximum transmit power allowed by the terminal, available valid time, valid area range, and the like.
- the base station After receiving the reconfiguration command, the base station sends an RRC reconfiguration command to the terminal in the connected state, and can also notify the terminal in the idle state by using the broadcast system message.
- the notification content may also include: measurement configuration information of the new frequency point, whether it is for the connected terminal or the idle terminal. Then, start the timer.
- the terminal After receiving the RRC reconfiguration command or the broadcast system message, the terminal performs periodic or event-triggered measurement on the new frequency band resource. If the measured signal is greater than the preset threshold, that is, the re-matched new frequency point interferes with the adjacent frequency or other frequency points of the local area, the terminal in the connected state immediately reports the reconfiguration measurement report to the base station; the terminal in the idle state then After entering the connected state, the reconfiguration measurement report is reported to the base station. If the new frequency point does not interfere with other frequency points and/or is not interfered by other frequency points, the terminal does not perform the foregoing feedback, and the base station default resource reconfiguration succeeds.
- the base station receives the reconfiguration measurement report of the terminal within the time range of the timer, the timer stops counting, and the base station performs corresponding control processing, or combines and reports the reconfiguration measurement report reported by the terminal and its own measurement result.
- the reconfiguration module may run a reconfiguration algorithm according to the reconfiguration measurement report of the terminal and the measurement information of the base station itself, according to which a new frequency band resource is allocated to the base station, and the base station re-allocates the allocated resource to the terminal, thereby completing resource reconfiguration. process.
- Step 510 The base station according to the reconfiguration Control the decision, and issue a resource reconfiguration command to the terminal with measurement capability.
- Step 520 The terminal performs reconfiguration measurement according to the received resource reconfiguration command and feeds back the reconfiguration measurement result.
- Step 530 The base station implements resource reconfiguration based on the received reconfiguration measurement result.
- the technology of resource reconfiguration in the present invention can ensure the success rate of resource reconfiguration in the cognitive system, and the resource utilization rate can be effectively improved, whether it is a method or a system.
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Abstract
本发明公开了一种实现资源重配的方法和系统，可由基站根据重配控制决策，发送资源重配命令给具有测量能力的终端，指示终端进行测量和上报；终端根据收到的资源重配命令进行重配测量并上报重配测量结果；基站基于所收到的重配测量结果实现资源重配。本发明实现资源重配的技术，可以确保认知系统中资源重配的成功率，且资源利用率能够得到有效提高。
Description
一种实现资源重配的方法和系统 技术领域
本发明涉及通信领域， 具体涉及一种实现资源重配的方法和系统。 背景技术
频谱资源是无线电业务赖以生存的基础， 但频谱资源是有限的。 一方 面， 面对人们对带宽需求的不断增加， 频谱资源越来越紧张； 而另一方面， 在传统的固定频谱分配模式下， 频 i普资源的利用率却不高。 随着系统需求 的多样化， 多种无线接入技术（ Radio Access Technology, RAT ) 的并存已 经是现状， 且由于不同运营商在不同地理区域范围， 因此不同 RAT间的业 务分布是不同的， 甚至相差很大。 从目前网络运营的现状和发展趋势上来 看， 运营商希望能够统一管理短期或地理位置上共存的不同系统， 以适应 网络流量特征和资源利用的优化。 典型地， 如在已经安装了一个网络的地 区或时间段上， 运营商想增加一个新一代网络， 而且运营商希望能够根据 特定区域的小区业务量变化， 动态地管理现存系统和新一代网络的硬件资 源和无线资源， 所利用的这种新技术被称为认知无线电 （Cognitive Radio, CR )技术。
在应用 CR技术的认知系统中，对资源进行控制重配的模块是重配模块 ( Reconfiguration Entity ), 可设置于基站等通信实体中， 主要用于监测基站 的资源利用状况并对资源进行重新分配， 在涉及到系统改变或者新的系统 布局时， 需要策略控制中心的控制指示， 具体逻辑关系如图 1 所示。 图 1 中， 策略控制中心有新的系统需求时， 指示重配模块进行系统升级或频谱 重整； 在不涉及新的系统时， 重配模块可以独立管理资源的重配， 通知可 重配的基站（Reconfigured Base Station, RBS )进行资源分配和调整， 也可
由无线资源管理（Radio Resource Management, RRM )功能实体进行协助 处理， 在基站重配完成后， 再通知小区中的终端已进行资源调整。 在 CR技 术的 IMT-Band ( International Mobile Telecommunication Band, 国际移动通 信频带） 的研究中存在若干应用场景， 如对于现有系统的升级； 在现有频 段上布局新的系统； 还有在系统内对资源利用的重新规划； 不同系统间的 资源调整和利用等。
目前， 对于上述的不同应用场景， 采用了不同的重配过程， 其核心操 作都是重配模块选择可以利用的新频段或者对现有频段重新调整布局后， 下发包含可使用的频谱资源的重配命令给基站。 但由于重配模块只是针对 网络侧的监测情况或基站侧上报的情况而做出的重配决策， 对于重配结果 最终是否一定适合基站和终端的重配利用， 重配模块并不清楚， 因此所述 新频段可能存在对其他频段的干扰， 进而会影响到网络的整体运行和用户 体验， 降低了资源重配的收益。 发明内容
有鉴于此， 本发明的主要目的在于提供一种实现资源重配的方法和系 统， 以确保资源重配的成功率， 提高资源利用率。
为达到上述目的， 本发明的技术方案是这样实现的：
一种实现资源重配的方法， 包括：
基站根据重配控制决策， 发送资源重配命令给具有测量能力的终端， 指示终端进行测量和上报；
基站基于所接收到的终端上报的重配测量结果实现资源重配。
其中， 所述基站基于所接收到的终端上报的重配测量结果实现资源重 配的过程包括：
基站根据接收到的重配测量结果进行控制处理， 或者将所述重配测量 结果与自身的测量信息相结合并上报给网络中用于进行资源重配的重配模
块， 由重配模块基于收到的重配测量结果以及测量信息进行资源重配。 其中， 所述基站指示终端进行测量和上报的过程包括：
终端根据资源重配命令中指示的频带资源信息进行测量， 以确定是否 存在干扰， 若指定测量频段的测量信号大于预设的阈值， 就认为有干扰存 在；
当有干扰存在时， 终端回复重配测量报告给基站； 当没有干扰时， 终 端回复确认信息给基站。
其中， 在没有干扰时， 该方法还包括： 默认资源重配成功。
其中， 基站收到终端的重配测量结果后， 还应用可利用的频带对终端 进行资源重配， 并向网络中用于进行资源重配的重配模块回复所重配的频 带资源信息。
其中， 基站在给终端发送了资源重配命令后， 还启动重配监测定时器； 若基站在重配监测定时器的计时范围内收到了终端的重配测量报告， 则重 配监测定时器停止计时， 基站进行资源重配或者上报重配测量报告给网络 中用于进行资源重配的重配模块； 如果重配监测定时器超时时， 基站没有 收到终端的重配测量报告， 则认为资源重配成功。
其中， 所述的资源重配命令包括一个或多个频带资源；
对一个频带资源， 终端接入到对应的频带资源上后， 再进行重配测量 并反馈重配测量报告给基站；
对于多个频带资源， 终端对多个频带资源都进行测量并上报重配测量 报告给基站， 基站在确定了可利用的频带资源后， 给重配模块回复确认的 可利用频带资源信息； 所述重配测量报告包括了各个频带资源对应的是否 有干扰的状态信息。
一种实现资源重配的系统， 包括基站、 具有测量能力的终端； 其中， 所述基站， 用于根据重配控制决策， 发送资源重配命令给具有测量能
力的终端， 指示终端进行测量和上报； 以及基于终端所上报的重配测量结 果实现资源重配；
所述终端， 用于根据收到的资源重配命令进行重配测量并上报重配测 量结果。
其中， 所述基站基于所收到的重配测量结果实现资源重配时， 用于： 根据收到的重配测量结果进行控制处理， 或者将所述重配测量结果与 自身的测量信息相结合并上报给网络中用于进行资源重配的重配模块， 触 发重配模块基于收到的重配测量结果以及测量信息进行资源重配。
其中， 所述终端根据接收的资源重配命令进行重配测量时， 用于： 根据资源重配命令中指示的频带资源信息进行测量， 以确定是否存在 干扰， 若指定测量频段的测量信号大于预设的阈值， 就认为有干扰存在； 当有干扰存在时， 回复重配测量报告给基站； 当没有干扰时， 回复确 认信息给基站。
其中， 在没有干扰时， 所述基站还用于： 默认资源重配成功。
其中， 基站收到终端的重配测量结果后， 还用于：
应用可利用的频带对终端进行资源重配， 并向网络中用于进行资源重 配的重配模块回复所重配的频带资源信息。
其中， 该系统还包括重配监测定时器；
所述重配监测定时器用于：
在基站给终端发送了资源重配命令后启动； 以及，
若基站在重配监测定时器的计时范围内收到了终端的重配测量报告， 则重配监测定时器停止计时；
所述基站， 还用于：
在所述重配监测定时器停止计时时， 进行资源重配或者上报重配测量 报告给网络中用于进行资源重配的重配模块； 如果重配监测定时器超时时，
基站没有收到终端的重配测量报告， 则认为资源重配成功。
其中， 所述的资源重配命令包括一个或多个频带资源；
对一个频带资源， 所述终端用于在接入到对应的频带资源上后， 再进 行重配测量并反馈重配测量报告给基站；
对于多个频带资源， 所述终端用于对多个频带资源都进行测量并上报 重配测量报告给基站， 基站在确定了可利用的频带资源后， 给重配模块回 复确认的可利用频带资源信息； 所述重配测量报告包括了各个频带资源对 应的是否有干扰的状态信息。
本发明实现资源重配的技术， 可以确保认知系统中资源重配的成功率， 且资源利用率能够得到有效提高。 附图说明
图 1为认知系统逻辑实体的架构图；
图 2为本发明实施例的一个频带资源的重配优化流程图；
图 3为本发明实施例的多个频带资源的重配优化流程图；
图 4为本发明实施例的用定时器控制的重配优化流程图；
图 5为本发明实施例实现资源重配优化的流程简图。 具体实施方式 在实际应用中， 基站可以根据重配模块的重配控制决策， 发送资源重 配命令给具有测量能力的终端， 指示终端进行测量和上报。
基站基于所接收到终端上报的重配测量结果实现资源重配， 如： 基站 根据收到的重配测量结果进行控制处理， 或者将所述重配测量结果与自身 的测量信息相结合并上报给重配模块， 由重配模块基于收到的重配测量结 果以及测量信息进行资源重配。
具体而言， 基站收到终端上报的重配测量结果后， 就可以进行相应的
控制处理， 如干扰控制、 功率控制、 负荷控制中至少之一； 并且， 基站也 可以将自身的测量信息与来自终端的重配测量结果相结合， 将结合后的重 配测量结果以及测量信息上报给重配模块， 由重配模块根据重配测量结果 以及测量信息进行处理。
所述的具有测量能力的终端包括接入点设备、 移动终端等。 所述接入 点设备可以为中继节点 （Relay Node ) 等， 所述移动终端可以为用户设备 ( UE )等。
所述的资源重配命令包括一个或多个频带资源 （频点， 带宽）， 除此之 外， 还可以包括： 有效时间长度， 区域范围， 测量配置信息， 发射参数限 制信息（功率大小， 干扰阈值）等。
所述基站指示终端进行测量和上报， 指终端根据接收的资源重配命令 进行重配测量时， 根据资源重配命令中指示的频带资源信息进行测量， 以 确定是否存在干扰， 若指定测量频段的测量信号大于预设的阈值， 就认为 有干扰存在。 所述测量信号可以是绝对值， 如 RSRP ( Reference Signal Received Power, 参考信号接收功率）， RSRQ ( Reference Signal Received Quality,参考信号接收质量）；或者是信干比（ Signal Interference Noise Ratio, SINR )。 当有干扰存在时，终端就回复重配测量报告给基站； 当没有干扰时， 终端就回复确认信息给基站。 可选地， 若没有干扰存在， 就默认资源重配 成功。 所述基站的测量信息包括： 上行接收的干扰功率， 上行热噪声功率 中至少之一。
基站在发送资源重配命令给终端后， 还可以启动重配监测定时器（以 下简称为定时器）； 若基站在定时器的计时范围内收到了终端的重配测量报 告， 则定时器停止计时， 基站进行资源重配或者上报重配测量报告给重配 模块； 如果定时器超时时， 基站没有收到终端的重配测量报告， 则认为资 源重配成功， 并向重配模块反馈重配完成消息以确认重配完成。
进一步地， 所述的重配测量报告反馈过程可以在终端接入到工作频点 后再进行。
需要说明的是， 如果基站下发的资源重配命令中包含了多个可利用的 频带资源信息， 终端可以对相应的多个频带都进行测量， 并把各个频带的 状态信息反馈给基站。 所述状态信息包括： 干扰信号测量信息， 还可以包 括确认可使用的频带标示信息。
可选地， 基站收到终端的重配测量结果后， 应用可利用的频带对终端 进行资源重配， 并向重配模块回复所重配的频带资源信息。
上述资源重配指频带资源的重新划分， 或者重新分配新的频带资源。 结合附图和本发明内容， 具体的实施过程如下：
实施例 1 : 基站接收到重配模块的资源重配命令， 下发一个频带资源信 息， 终端进行重配测量并反馈， 参见如图 2所示的流程：
网络侧的监测状况或者基站的重配请求触发重配模块进行资源重配， 重配模块运行重配算法以生成重配决策并据此下发重配命令给基站， 以指 示基站需要进行资源重配。 所述的重配命令包括： 一个可利用的频带资源 (频点， 带宽）， 还可以包括下列信息： 终端允许的最大发射功率， 可利用 的有效时间， 有效的区域范围等。
基站接收到重配命令后， 下发 RRC ( Radio Resource Control )重配命 令给连接态的终端， 也可以通过广播系统消息将新的频带资源信息通知给 空闲态的终端。 所述广播系统消息可以为 MIB ( Master Information Block, 主信息模块）或 SIB1 ( System Information Block 1 , 系统信息模块 1 )等。 无论是针对连接态的终端还是针对空闲态的终端， 通知的内容中还可以包 括： 新频点的测量配置信息， 如测量标识， 测量对象（频率）， 测量周期， 测量记录数量， 测量间隙等。
终端收到所述 RRC重配命令或者广播系统消息后， 对新的频带资源进
行周期或事件触发测量。 如果测量信号大于预设的阈值， 即重配的新频点 对邻频或者本地区域的其它频点产生干扰， 处于连接态的终端就立即上报 重配测量报告给基站； 处于空闲态的终端则在进入连接态后上报重配测量 报告给基站。 所述重配测量报告包括： 重配的新频点、 地理位置区域、 干 扰信息等。 所述地理位置区域可以为小区标识， 或 GPS位置信息， 所述干 扰信息可以为干扰信号强度、 信干比等。 所述测量信号可以是绝对值， 如 RSRP、 RSRQ或者是 SINR。 如果新的频点没有对其它频点造成干扰和 /或 没有受到其它频点的干扰， 终端就不进行前述的反馈， 基站默认资源重配 成功。
进一步地， 如果终端接入到了新的频点上， 可以再进行重配测量并反 馈重配测量报告，则重配测量报告还可以包括：信道质量指示 CQI ( Channel Quality Indicator )， 预编码矩阵指示 PMI ( Precoding Matrix Indicator )， 秩指 示 RI ( Rank Indicator )等。
在收到重配测量报告后， 如果基站可以进行接入网侧的干扰控制和 /或 功率控制， 那么基站运行干扰控制和 /或功率控制算法并重新下发资源重配 命令给终端； 否则， 基站结合自身的测量信息发送重配测量报告给重配模 块。 所述基站的测量信息可以包括： 上行接收的干扰功率， 上行热噪声功 率。 重配模块依据终端的重配测量报告和基站自身的测量信息运行重配算 法， 据此分配新的频带资源给基站， 基站再把被分配的所述资源重配给终 端， 从而完成资源重配过程。
需要说明的是， 如果基站接收到多个终端的重配测量报告， 并且其中 包含的不同终端的测量结果不一致（如 UE1的测量结果显示干扰较大， 而 UE2的测量结果显示干扰可以容忍）， 则基站进行统计性处理以判断是否受 到干扰， 如： 如果超过 80%的终端的测量结果显示干扰较大， 则认为相应 频点在当前区域受到干扰）。 之后， 基站进行相应的控制处理。
实施例 2: 基站收到资源重配命令后下发多个频带资源信息，相关的测 量配置信息可以分两条消息携带， 参见如图 3所示的流程：
网络侧的监测状况或者基站的重配请求触发重配模块进行资源重配， 重配模块运行重配算法以生成重配决策并据此下发重配命令给基站， 以指 示基站需要进行资源重配。 所述的重配命令包括： 多个可利用的频带资源 (频点和带宽的列表）。
基站接收到重配命令后， 下发 RRC重配命令给连接态的终端， 也可以 通过广播系统消息通知空闲态的终端， 所述的 RRC重配命令或广播系统消 息中包括： 多个新的频带资源信息列表， 各个频点的测量配置信息。
终端收到所述 RRC重配命令或者广播系统消息后， 对各个新的频带资 源进行周期或事件触发测量。 如果测量信号大于预设的阈值， 即重配的新 频点对邻频或者本地区域的其它频点产生干扰， 处于连接态的终端就立即 上报重配测量报告给基站； 处于空闲态的终端则在进入连接态后上报重配 测量报告给基站。 对于没有对其它频点造成干扰和 /或没有受到其它频点干 扰的频点， 采用标记符号表示。
基站根据收到的重配测量报告， 选择对其他频点干扰最 d、的频点或没 有受到干扰的频点， 然后再重新下发 RRC重配命令给终端， 新的 RRC重 配命令包括： 可利用的频带资源 （频点， 带宽）， 还可以包括： 发射功率， 频率偏移量， 小区标识， 小区属性等）。 所述小区属性可以为： CSG ( Close Subscriber Group, 封闭用户组） 小区。
进一步地， 根据收到的重配测量结果， 如果基站仍然无法选择可利用 的频带资源， 就把重配测量报告和自身的测量信息结合并上报给重配模块， 由重配模块重新执行重配决策， 下发含有新的可利用频带资源的资源重配 命令给基站， 基站再次将资源重配给终端。
实施例 3: 基站下发 RRC重配命令后， 通过定时器进行控制， 在对其
它频点干扰或者受到其它频点干扰时反馈， 否则不反馈， 参见如图 4所示 的流程：
网络侧的监测状况或者基站的重配请求触发重配模块进行资源重配， 重配模块运行重配算法以生成重配决策并据此下发重配命令给基站， 以指 示基站需要进行资源重配。 所述的重配命令包括： 一个或多个可利用的频 带资源 （频点， 带宽）， 还可以包括下列信息： 终端允许的最大发射功率， 可利用的有效时间， 有效的区域范围等。
基站接收到重配命令后， 下发 RRC重配命令给连接态的终端， 也可以 通过广播系统消息将新的频带资源信息通知给空闲态的终端。 无论是针对 连接态的终端还是针对空闲态的终端， 通知的内容中还可以包括： 新频点 的测量配置信息。 然后， 启动定时器。
终端收到 RRC重配命令或者广播系统消息后， 对新的频带资源进行周 期或事件触发测量。 如果测量信号大于预设的阈值， 即重配的新频点对邻 频或者本地区域的其它频点产生干扰， 处于连接态的终端就立即上报重配 测量报告给基站； 处于空闲态的终端则在进入连接态后上报重配测量报告 给基站。 如果新的频点没有对其它频点造成干扰和 /或没有受到其它频点的 干扰， 终端就不进行前述的反馈， 基站默认资源重配成功。
如果基站在定时器的计时范围内收到了终端的重配测量报告， 则定时 器停止计时， 并且基站进行相应的控制处理， 或者将终端上报的重配测量 报告和自身的测量结果相结合并上报给重配模块。 重配模块可以依据终端 的重配测量报告和基站自身的测量信息运行重配算法， 据此分配新的频带 资源给基站， 基站再把被分配的所述资源重配给终端， 从而完成资源重配 过程。
如果定时器超时， 基站没有收到终端的重配测量报告， 基站就默认此 次资源重配过程成功。
需要说明的是， 如果定时器超时， 则基站默认此次资源重配成功。 结合以上各实施例可见， 在由基站以及终端所组成的系统中， 本发明 实现资源重配的操作思路可表示如图 5所示的流程， 该流程包括以下步骤： 步骤 510: 基站根据重配控制决策， 下发资源重配命令给具有测量能力 的终端。
步骤 520:终端根据收到的资源重配命令进行重配测量并反馈重配测量 结果。
步骤 530: 基站基于所收到的重配测量结果实现资源重配。
综上所述可见， 无论是方法还是系统， 本发明实现资源重配的技术， 可以确保认知系统中资源重配的成功率， 且资源利用率能够得到有效提高。
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。
Claims
1、 一种实现资源重配的方法， 包括：
基站根据重配控制决策， 发送资源重配命令给具有测量能力的终端， 指示终端进行测量和上报；
基站基于所接收到的终端上报的重配测量结果实现资源重配。
2、 根据权利要求 1所述的方法， 其中， 所述基站基于所接收到的终端 上报的重配测量结果实现资源重配的过程包括：
基站根据接收到的重配测量结果进行控制处理， 或者将所述重配测量 结果与自身的测量信息相结合并上报给网络中用于进行资源重配的重配模 块， 由重配模块基于收到的重配测量结果以及测量信息进行资源重配。
3、 根据权利要求 1所述的方法， 其中， 所述基站指示终端进行测量和 上报的过程包括：
终端根据资源重配命令中指示的频带资源信息进行测量， 以确定是否 存在干扰， 若指定测量频段的测量信号大于预设的阈值， 就认为有干扰存 在；
当有干扰存在时， 终端回复重配测量报告给基站； 当没有干扰时， 终 端回复确认信息给基站。
4、根据权利要求 3所述的方法， 其中， 在没有干扰时， 该方法还包括： 默认资源重配成功。
5、 根据权利要求 1所述的方法， 其中， 基站收到终端的重配测量结果 后， 还应用可利用的频带对终端进行资源重配， 并向网络中用于进行资源 重配的重配模块回复所重配的频带资源信息。
6、 根据权利要求 1至 5任一项所述的方法， 其中， 基站在给终端发送 了资源重配命令后， 还启动重配监测定时器； 若基站在重配监测定时器的 计时范围内收到了终端的重配测量报告， 则重配监测定时器停止计时， 基 站进行资源重配或者上报重配测量报告给网络中用于进行资源重配的重配 模块； 如果重配监测定时器超时时， 基站没有收到终端的重配测量报告， 则认为资源重配成功。
7、 根据权利要求 1所述的方法， 其中， 所述的资源重配命令包括一个 或多个频带资源；
对一个频带资源， 终端接入到对应的频带资源上后， 再进行重配测量 并反馈重配测量报告给基站；
对于多个频带资源， 终端对多个频带资源都进行测量并上报重配测量 报告给基站， 基站在确定了可利用的频带资源后， 给重配模块回复确认的 可利用频带资源信息； 所述重配测量报告包括了各个频带资源对应的是否 有干扰的状态信息。
8、 一种实现资源重配的系统， 包括基站、 具有测量能力的终端； 其中， 所述基站， 用于根据重配控制决策， 发送资源重配命令给具有测量能 力的终端， 指示终端进行测量和上报； 以及基于终端所上报的重配测量结 果实现资源重配；
所述终端， 用于根据收到的资源重配命令进行重配测量并上报重配测 量结果。
9、 根据权利要求 8所述的系统， 其中， 所述基站基于所收到的重配测 量结果实现资源重配时， 用于：
根据收到的重配测量结果进行控制处理， 或者将所述重配测量结果与 自身的测量信息相结合并上报给网络中用于进行资源重配的重配模块， 触 发重配模块基于收到的重配测量结果以及测量信息进行资源重配。
10、 根据权利要求 8所述的系统， 其中， 所述终端根据接收的资源重 配命令进行重配测量时， 用于：
根据资源重配命令中指示的频带资源信息进行测量， 以确定是否存在 干扰， 若指定测量频段的测量信号大于预设的阈值， 就认为有干扰存在； 当有干扰存在时， 回复重配测量报告给基站； 当没有干扰时， 回复确 认信息给基站。
11、 根据权利要求 10所述的系统， 其中， 在没有干扰时， 所述基站还 用于： 默认资源重配成功。
12、 根据权利要求 8所述的系统， 其中， 基站收到终端的重配测量结 果后， 还用于：
应用可利用的频带对终端进行资源重配， 并向网络中用于进行资源重 配的重配模块回复所重配的频带资源信息。
13、 根据权利要求 8至 12任一项所述的系统， 其中， 该系统还包括重 配监测定时器；
所述重配监测定时器用于：
在基站给终端发送了资源重配命令后启动； 以及，
若基站在重配监测定时器的计时范围内收到了终端的重配测量报告， 则重配监测定时器停止计时；
所述基站， 还用于：
在所述重配监测定时器停止计时时， 进行资源重配或者上报重配测量 报告给网络中用于进行资源重配的重配模块； 如果重配监测定时器超时时， 基站没有收到终端的重配测量报告， 则认为资源重配成功。
14、 根据权利要求 8所述的系统， 其中， 所述的资源重配命令包括一 个或多个频带资源；
对一个频带资源， 所述终端用于在接入到对应的频带资源上后， 再进 行重配测量并反馈重配测量报告给基站；
对于多个频带资源， 所述终端用于对多个频带资源都进行测量并上报 重配测量报告给基站， 基站在确定了可利用的频带资源后， 给重配模块回 复确认的可利用频带资源信息； 所述重配测量报告包括了各个频带资源对 应的是否有干扰的状态信息。
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| CN105282768A (zh) * | 2014-07-25 | 2016-01-27 | 中兴通讯股份有限公司 | 重配置方法及装置 |
| GB2537190B (en) * | 2015-04-10 | 2017-10-11 | Samsung Electronics Co Ltd | Interference reporting |
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