WO2014187139A1 - 一种资源调度的方法及装置 - Google Patents

一种资源调度的方法及装置 Download PDF

Info

Publication number
WO2014187139A1
WO2014187139A1 PCT/CN2013/090782 CN2013090782W WO2014187139A1 WO 2014187139 A1 WO2014187139 A1 WO 2014187139A1 CN 2013090782 W CN2013090782 W CN 2013090782W WO 2014187139 A1 WO2014187139 A1 WO 2014187139A1
Authority
WO
WIPO (PCT)
Prior art keywords
current subframe
interference
interference factor
priority
ues
Prior art date
Application number
PCT/CN2013/090782
Other languages
English (en)
French (fr)
Inventor
许倩倩
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13885181.1A priority Critical patent/EP3007504B1/en
Publication of WO2014187139A1 publication Critical patent/WO2014187139A1/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • the present invention relates to scheduling techniques in the field of mobile communications, and in particular, to a method and apparatus for resource scheduling. Background technique
  • the scheduling in the LTE (Long Term Evolution) system includes: calculating a priority of each user equipment (UE, User Equipment) according to the scheduling algorithm; and sorting each UE according to the priority of the UE, according to The priority order allocates resources for each UE.
  • UE User Equipment
  • the priority calculation in the above scheduling method mainly utilizes parameters such as channel quality, historical throughput, and service attributes of the UE.
  • the user's interference is not considered in the calculation of the priority. Therefore, the scheduling method in the prior art cannot guarantee the service rate, especially the service efficiency of the UE located at the cell edge, and the invention can improve the spectrum efficiency and throughput of the cell. Maximize user experience. Summary of the invention
  • the purpose of the embodiments of the present invention is to provide a method and a device for resource scheduling, which can reduce the impact of cell interference on UE scheduling, and particularly improve the service efficiency of a UE located at a cell edge, and improve spectrum efficiency and throughput of the cell. Rate, maximizing user experience.
  • An embodiment of the present invention provides a method for resource scheduling, where the method includes:
  • the method further includes: establishing, by using the UE in the current subframe, the scheduling queue of the current subframe.
  • the UE that needs to be scheduled is:
  • the UE that needs to be scheduled is Designated UEs scheduled on the ABS, and/or all UEs entering the coverage of the base station;
  • the UE that needs to be scheduled is a UE that has all the incoming base station coverage except the one scheduled on the ABS.
  • the interference factor mapping rule is used to calculate an interference factor of each UE in a scheduling queue of a current subframe, including:
  • the difference is obtained by extracting the interference factor of the UE from the interference factor mapping rule.
  • the schedulable subframes of the UE except the current subframe are:
  • the schedulable subframes other than the current subframe are all ABSs except the current subframe;
  • the subframes of the adjustment other than the current subframe are all subframes except the current subframe.
  • the interference factor mapping rule includes: a range of one or more BLER difference values, and an interference factor corresponding to each of the ranges of the BLER difference values;
  • a range of one or more interference measurement value differences and an interference factor corresponding to each of the ranges of the interference measurement value differences.
  • the calculating, by using the interference factor of each UE, the priority of each UE in the scheduling queue of the current subframe including:
  • the interference factor is calculated to obtain the priority corresponding to the UE.
  • An embodiment of the present invention further provides an apparatus for resource scheduling, where the apparatus includes: an interference factor calculation module, a priority calculation module, and a scheduling module;
  • the interference factor calculation module is configured to calculate the interference factor of each UE in the scheduling queue of the current subframe by using the interference factor mapping rule, and send the interference factor of each UE in the scheduling queue of the current subframe to the priority calculation module;
  • a priority calculation module configured to calculate, by using an interference factor of each UE sent by the interference factor calculation module, a priority corresponding to each UE in the scheduling queue of the current subframe, and configuring the current sub-scheduling module to be configured according to The priority corresponding to each UE in the scheduling queue of the current subframe sent by the priority calculation module allocates resources for the UE.
  • the interference factor calculation module is configured to establish a scheduling queue of the current subframe by using a UE that needs to be scheduled in the current subframe;
  • the UE that needs to be scheduled is: all UEs that enter the coverage of the base station;
  • the UE that needs to be scheduled is a designated UE scheduled on the ABS, and/or all UEs that enter the coverage of the base station;
  • the UE that needs to be scheduled is a UE that has all the incoming base station coverage except the one scheduled on the ABS.
  • the interference factor calculation module is configured to extract each UE in the scheduling queue of the current subframe one by one, according to the quality information of the current subframe of the UE, and the determinable of the UE except the current subframe. The difference between the selected quality information in each subframe, the interference factor of the UE is extracted from the interference factor mapping rule.
  • the interference factor calculation module is configured to save an interference factor mapping rule, where the interference factor mapping rule includes: a range of one or more BLER difference values, and interference corresponding to a range of each BLER difference value Factor
  • a range of one or more interference measurement value differences and an interference factor corresponding to each of the ranges of the interference measurement value differences.
  • the priority calculation module is configured to utilize the priority of the scheduling of the current subframe one by one.
  • the method and device for resource scheduling provided by the embodiments of the present invention can obtain an interference factor of a UE in a current subframe according to an interference factor mapping rule, and calculate a priority of the scheduling by using the interference factor, so that when resource scheduling is performed, Considering the interference situation of the UE, the scheduling and timeliness of the scheduling can be ensured, and the impact of the cell interference on the scheduling can be minimized, and the service efficiency of the UE is improved, and the interference of the UE located at the edge of the cell is serious.
  • the priority of the scheduling is calculated, the interference factor is increased, so that the service efficiency of the UE located at the cell edge can be improved, and the spectrum efficiency and throughput of the cell can be improved, and the user experience is maximized.
  • FIG. 1 is a schematic flowchart of a method for resource scheduling according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a device for resource scheduling according to an embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of a method according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method according to Embodiment 3 of the present invention. detailed description
  • the basic idea of the embodiment of the present invention is: calculating an interference factor of each UE in a scheduling queue of a current subframe by using an interference factor mapping rule; calculating, by using an interference factor of each UE, each UE in a scheduling queue of the current subframe The priority is allocated to the UE according to the priority corresponding to each UE in the scheduling queue of the current subframe.
  • the method for resource scheduling in the embodiment of the present invention includes the following steps: Step 101: Calculate an interference factor of each UE in a scheduling queue of a current subframe by using an interference factor mapping rule.
  • each UE in the scheduling queue of the current subframe is extracted one by one according to the quality information of the UE in the current subframe, and the selected quality in each schedulable subframe of the UE except the current subframe.
  • the difference between the information, the interference factor of the UE is extracted from the interference factor mapping rule.
  • the quality information may include: a block error ratio (BLER), a packet loss rate, and an interference measurement value.
  • BLER block error ratio
  • the quality information may include: a block error ratio (BLER), a packet loss rate, and an interference measurement value.
  • the selected quality information may be selected from a schedulable sub-frame other than the current subframe, a selected minimum BLER, or a selected minimum packet loss rate, or a selected minimum interference measurement.
  • the interference factor mapping rule is a table preset according to an actual situation, and includes: a range of one or more BLER difference values, and an interference factor corresponding to each of the ranges of the BLER difference values; or one or more a range of packet rate differences, and an interference factor corresponding to each of the ranges of the packet loss rate differences;
  • a range of one or more interference measurement value differences and an interference factor corresponding to each of the ranges of the interference measurement value differences.
  • the method for obtaining the BLER, the packet loss rate, and the interference measurement value is a prior art, and is not mentioned here.
  • the schedulable sub-frames other than the current sub-frame are: when the UE is the designated UE scheduled on the ABS, the schedulable sub-frames except the current sub-frame are other than the current sub-frame. All other ABSs; when the UE is not the designated UE scheduled on the ABS, the schedulable sub-frames other than the current subframe are all subframes except the current subframe.
  • Step 102 Calculate a priority corresponding to each UE in the scheduling queue of the current subframe by using an interference factor of each UE.
  • the original priority of each UE in the scheduling queue of the current subframe and the interference factor of the UE are calculated one by one, and the priority corresponding to the UE is obtained.
  • the calculation may be set according to actual conditions, for example, may be multiplication, or addition, Or multiply the interference factor by the preset ratio and then add it.
  • the method for obtaining the original priority is in the prior art, and is not mentioned here.
  • Step 103 Allocate resources to the UE according to the priority corresponding to each UE in the scheduling queue of the current subframe.
  • the method further includes: establishing, by using a UE that needs to be scheduled in the current subframe, a scheduling queue of the current subframe.
  • the UE that needs to be scheduled is: all UEs that enter the coverage of the base station;
  • the UE that needs to be scheduled is a designated UE scheduled on the ABS, and/or all UEs that enter the coverage of the base station;
  • the UE that needs to be scheduled is a UE that is all the coverage of the access base station except the one scheduled on the ABS.
  • an embodiment of the present invention provides a device for resource scheduling, where the device includes: a interference factor calculation module 21, a priority calculation module 22, and a scheduling module 23;
  • the interference factor calculation module 21 is configured to use the interference factor mapping rule to calculate the interference factor of each UE in the scheduling queue of the current subframe, and send the interference factor of each UE in the scheduling queue of the current subframe to the priority calculation module 22;
  • the priority calculation module 22 is configured to calculate the priority of each UE in the scheduling queue of the current subframe by using the interference factor of each UE sent by the interference factor calculation module 21, and configure the scheduling module 23
  • the interference factor calculation module 21 is configured to establish a scheduling queue of the current subframe by using the UE that needs to be scheduled in the current subframe.
  • the interference factor calculation module 21 is configured to use the eRCIC proposed by the 3GPP R10 if the current system uses The technology, and the current subframe is an ABS, the specified UE scheduled on the ABS and/or other UEs entering the coverage of the base station are used as the UE to be scheduled; otherwise, all but the ABS subframe scheduling is specified.
  • the UE that enters the coverage of the base station is the UE that needs to be scheduled. If the current system does not use the eCIC technology, all UEs that enter the coverage of the base station are used as UEs that need to be scheduled.
  • the interference factor calculation module 21 is configured to extract each UE in the scheduling queue of the current subframe one by one, according to the quality information of the current subframe in the UE, and the schedulable sub-frames of the UE except the current subframe. The difference between the selected quality information in the frame, and the interference factor of the UE is extracted from the interference factor mapping rule.
  • the interference factor calculation module 21 is specifically configured to: when the UE is a designated UE scheduled on the ABS, all other ABS subframes except the current subframe are used as schedulable sub-frames other than the current subframe. a frame; when the UE is not the designated UE scheduled on the ABS, all subframes except the current subframe are used as schedulable subframes other than the current subframe.
  • the interference factor calculation module 21 is specifically configured to save an interference factor mapping rule, where the interference factor mapping rule includes: a range of one or more BLER difference values, and an interference factor corresponding to a range of each BLER difference value;
  • a range of one or more interference measurement value differences and an interference factor corresponding to each of the ranges of the interference measurement value differences.
  • the priority calculation module 22 is configured to use the original priority of each UE in the scheduling queue of the current subframe and the interference factor of the UE to calculate the priority corresponding to the UE, and obtain the priority corresponding to the UE; In order to set according to the actual situation, for example, it may be multiplied, or added, or multiplied by a preset ratio and then added.
  • the interference factor calculation module, the priority calculation module and the scheduling module may be implemented by hardware such as a CPU or a DSP, and a memory, and may be installed in the base station as a logic unit.
  • Step 302 Determine, by using an interference factor mapping rule, an interference factor of each UE in a scheduling queue of the current subframe.
  • the UE with the identifier (Index) of 10 is extracted from the scheduling queue of the current subframe, and the UE is the UE that is designated to access the ABS, and the current subframe is obtained.
  • the BLER of the frame is 0.35
  • the minimum BLER of the UE that is schedulable for each subframe except the current subframe is 0.35, and the difference is 0, and is detected according to the difference from Table 1.
  • the UE When the interference factor is used to query the interference factor, the UE may be the UE with the identifier (Index) of 10, and the UE is the UE that is designated to access the ABS.
  • the packet loss rate of the frame is 0.005, and the minimum BLER of the UE that is schedulable for each subframe except the current subframe is 0.005, and the difference is 0, according to the difference of the packet loss rate.
  • the UE with the identifier (Index) of 10 is extracted from the scheduling queue of the current subframe, and the UE is the UE that is designated to access the ABS, and the current interference is obtained. Measure a value, and obtain a minimum value of the interference measurement value of each schedulable sub-frame of the UE except the current subframe, and find a corresponding one from the interference factor mapping rule according to the difference of the interference measurement value. Interference factor.
  • Step 303 Calculate the formula according to the priority factor, and calculate the priority corresponding to each UE in the scheduling queue of the current subframe by using the interference factor of each UE.
  • Step 304 Sort the UEs in the queue according to priorities corresponding to the UEs.
  • Step 305 According to the priority of the UE in the queue and the type of the service resource (GBR, Guaranteed Bit)
  • Rate / PBR Priority Bit Rate
  • the allocated resource includes two rounds of resource allocation, specifically: the first round, for the GBR service and the PBR of the NonGBR service, allocate resources according to the GBR/PBR and the BSR of the service, to ensure the GBR/PBR of the service, the second round According to the priority order in the queue, for the NonGBR service, resources are allocated according to the AMBR and BSR of the service.
  • the first round for the GBR service and the PBR of the NonGBR service
  • allocate resources according to the GBR/PBR and the BSR of the service to ensure the GBR/PBR of the service
  • the second round According to the priority order in the queue, for the NonGBR service, resources are allocated according to the AMBR and BSR of the service.
  • Step 401 When the current system uses the elCIC technology and the current subframe is non-ABS, the UE that needs to schedule the UE except the one that is scheduled to be in the ABS subframe scheduling is used as the scheduling queue of the current subframe.
  • Step 402 Calculate an interference factor of each UE in a scheduling queue of the current subframe by using an interference factor mapping rule.
  • Step 403 Calculate the formula according to the priority factor, and calculate the priority corresponding to each UE in the scheduling queue of the current subframe by using the interference factor of each UE.
  • the interference factor FF1 is added to the priority factor calculation formula to calculate a new ranking priority, and the calculation is to add the interference factor FF1 to the original priority to obtain a new priority.
  • Step 404 Sort the UEs in the queue according to priorities corresponding to the UEs.
  • Step 405 According to the priority of the UE in the queue and the type of the service resource (GBR, Guaranteed Bit) Rate /PBR: Priority Bit Rate ), allocate resources to the UE in turn.
  • GRR Guaranteed Bit
  • PBR Priority Bit Rate
  • the allocated resource includes two rounds of resource allocation, specifically: the first round, for the GBR service and the PBR of the NonGBR service, allocate resources according to the GBR/PBR and the BSR of the service, to ensure the GBR/PBR of the service, the second round According to the priority order in the queue, for the NonGBR service, resources are allocated according to the AMBR and BSR of the service.
  • Step 501 The current system does not use the elCIC technology to set all the UEs that enter the coverage of the base station as the scheduling queue of the current subframe.
  • Step 502 Calculate an interference factor of each UE in a scheduling queue of the current subframe by using an interference factor mapping rule.
  • the current subframe is a subframe 0
  • the UE with the identifier (Index) of 5 is extracted from the scheduling queue of the current subframe, and the BLER of the current subframe is obtained as 0.1, and the UE is acquired.
  • Step 503 Calculate the formula according to the priority factor, and calculate the priority corresponding to each UE in the scheduling queue of the current subframe by using the interference factor of each UE.
  • the interference factor FF1 is added to the priority factor calculation formula—the new ranking priority is calculated, where it is calculated to add or multiply the interference factor and the original priority using weighting to obtain a new priority.
  • Step 504 Sort the UEs in the queue according to the priority corresponding to the UE.
  • Step 505 According to the priority of the UE in the queue and the type of the service resource (GBR, Guaranteed Bit)
  • Rate / PBR Priority Bit Rate
  • the allocation resource includes two rounds of resource allocation, specifically: the first round, for the GBR service and the PBR of the NonGBR service, allocate resources according to the GBR/PBR and the BSR of the service, to ensure the service GBR/PBR, the second round, according to the priority order in the queue, for the NonGBR service, allocate resources according to the AMBR and BSR of the service.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明公开了一种资源调度的方法及装置,其中方法包括:利用干扰因子映射规则,计算当前子帧的调度队列中各个用户设备(UE)的干扰因子;利用所述各个UE的干扰因子计算所述当前子帧的调度队列中各个UE对应的优先级;根据所述当前子帧的调度队列中各个UE对应的优先级为UE分配资源。

Description

一种资源调度的方法及装置
技术领域
本发明涉及移动通信领域中的调度技术, 尤其涉及一种资源调度的方法及 装置。 背景技术
目前, 长期演进(LTE, Long Term Evolution ) 系统中的调度包括: 根据调 度算法计算出每个用户设备(UE, User Equipment ) 的优先级; 根据所述 UE 的优先级对各个 UE进行排序, 按照优先级顺序为各个 UE分配资源。
但是, 由于上述调度方法中优先级的计算主要利用 UE的信道质量、 历史 吞吐率以及业务属性等参数。 没有在优先级的计算中考虑用户的干扰, 因此, 现有技术中的调度方法无法保证服务速率, 尤其提高位于小区边缘的 UE的服 务效率, 并且该发明能够提高小区的频谱效率和吞吐率, 最大程度提升用户的 体验度。 发明内容
有鉴于此, 本发明实施例的目的在于提供一种资源调度的方法及装置, 能 减少小区干扰对 UE调度的影响, 尤其提高位于小区边缘的 UE的服务效率, 并且提高小区的频谱效率和吞吐率, 最大程度提升用户的体验度。
本发明实施例提供了一种资源调度的方法, 该方法包括:
利用干扰因子映射规则,计算当前子帧的调度队列中各个 UE的干扰因子; 利用所述各个 UE的干扰因子计算所述当前子帧的调度队列中各个 UE对 应的优先级; 上述方案中, 所述利用干扰因子映射规则, 计算当前子帧的调度队列中各 个用户设备 UE的干扰因子之前, 该方法还包括: 利用当前子帧中需要调度的 UE建立当前子帧的调度队列。 上述方案中, 所述需要调度的 UE为:
所有进入基站覆盖范围的 UE;
或者, 若当前系统使用增强型小区间干扰协调 (elCIC, evolved Inter-Cell Interference Coordination )技术, 且当前子帧为几乎空白的子帧 ( ABS , Almost Blank Subframe ), 则所述需要调度的 UE为指定的在 ABS上调度的 UE、 和 /或 所有进入基站覆盖范围的 UE;
或者, 若当前系统使用 elCIC技术, 且当前子帧为非 ABS, 则所述需要调 度的 UE为除指定在 ABS上调度外的所有进入基站覆盖范围的 UE。
上述方案中, 所述利用干扰因子映射规则, 计算当前子帧的调度队列中各 个 UE的干扰因子, 包括:
逐个提取当前子帧的调度队列中各个 UE,根据所述 UE在当前子帧的质量 信息、 与所述 UE在除当前子帧外的可调度的各个子帧中的选定的质量信息之 间的差值, 从干扰因子映射规则中提取所述 UE的干扰因子。
上述方案中, 所述 UE在除当前子帧外的可调度的各个子帧为:
当所述 UE为指定的在 ABS上调度的 UE时, 所述除当前子帧外的可调度 的各个子帧为除当前子帧外的其他所有 ABS;
当所述 UE不为指定的在 ABS上调度的 UE时, 所述除当前子帧外的可调 度的各个子帧为除当前子帧外的其他所有子帧。
上述方案中, 所述干扰因子映射规则, 包括: 一个或多个 BLER差值的范 围, 以及与各个所述 BLER差值的范围分别对应的干扰因子;
或者, 一个或多个丟包率差值的范围, 以及与各个所述丟包率差值的范围 分别对应的干扰因子;
或者, 一个或多个干扰测量值差值的范围, 以及与各个所述干扰测量值差 值的范围分别对应的干扰因子。
上述方案中, 所述利用各个 UE的干扰因子计算所述当前子帧的调度队列 中各个 UE对应的优先级, 包括:
逐个利用所述当前子帧的调度队列中各个 UE的原始优先级与所述 UE的 干扰因子进行计算, 得到所述 UE对应的优先级。
本发明实施例还提供了一种资源调度的装置, 该装置包括: 干扰因子计 算模块、 优先级计算模块和调度模块; 其中,
干扰因子计算模块, 配置为利用干扰因子映射规则, 计算当前子帧的调度 队列中各个 UE的干扰因子, 将当前子帧的调度队列中各个 UE的干扰因子发 送给优先级计算模块;
优先级计算模块, 配置为利用干扰因子计算模块发来的所述各个 UE的干 扰因子计算所述当前子帧的调度队列中各个 UE对应的优先级, 将所述当前子 调度模块, 配置为根据优先级计算模块发来的所述当前子帧的调度队列中 各个 UE对应的优先级为 UE分配资源。
上述方案中, 所述干扰因子计算模块, 配置为利用当前子帧中需要调度的 UE建立当前子帧的调度队列;
其中, 所述需要调度的 UE为: 所有进入基站覆盖范围的 UE;
或者, 若当前系统使用 elCIC技术, 且当前子帧为几乎空白的子帧 ABS, 则所述需要调度的 UE为指定的在 ABS上调度的 UE、 和 /或所有进入基站覆盖 范围的 UE;
或者, 若当前系统使用 elCIC技术, 且当前子帧为非 ABS, 则所述需要调 度的 UE为除指定在 ABS上调度外的所有进入基站覆盖范围的 UE。
上述方案中, 所述干扰因子计算模块, 配置为逐个提取当前子帧的调度队 列中各个 UE, 根据所述 UE在当前子帧的质量信息、 与所述 UE在除当前子帧 外的可调度的各个子帧中的选定的质量信息之间的差值, 从干扰因子映射规则 中提取所述 UE的干扰因子。
上述方案中, 所述干扰因子计算模块, 配置为保存干扰因子映射规则; 其中, 所述干扰因子映射规则, 包括: 一个或多个 BLER差值的范围, 与 各个 BLER差值的范围对应的干扰因子;
或者, 一个或多个丟包率差值的范围, 以及与各个所述丟包率差值的范围 分别对应的干扰因子;
或者, 一个或多个干扰测量值差值的范围, 以及与各个所述干扰测量值差 值的范围分别对应的干扰因子。
上述方案中, 所述优先级计算模块, 配置为逐个利用所述当前子帧的调度 应的优先级。
本发明实施例所提供的资源调度的方法及装置, 能根据干扰因子映射规则 获取当前子帧中 UE的干扰因子, 并利用所述干扰因子计算调度的优先级, 这 样在进行资源调度时, 能够将 UE的干扰情况考虑进去, 从而在保证调度有序 性和时效性的同时, 能够最大程度减少小区干扰对调度的影响, 提高 UE的服 务效率, 对于位于小区边缘的 UE干扰情况较为严重, 在计算调度的优先级时 增加干扰因子, 就尤其能够提高对位于小区边缘的 UE的服务效率, 并且能够 提高小区的频谱效率和吞吐率, 最大程度提升用户的体验度。 附图说明
图 1为本发明实施例的资源调度的方法流程示意图;
图 2为本发明实施例的资源调度的装置组成结构示意图;
图 3为本发明实施例一方法流程示意图;
图 4为本发明实施例二方法流程示意图;
图 5为本发明实施例三方法流程示意图。 具体实施方式
本发明实施例的基本思想是: 利用干扰因子映射规则, 计算当前子帧的调 度队列中各个 UE的干扰因子; 利用所述各个 UE的干扰因子计算所述当前子 帧的调度队列中各个 UE对应的优先级; 根据所述当前子帧的调度队列中各个 UE对应的优先级为 UE分配资源。
下面结合附图及具体实施例对本发明再作进一步详细的说明。 本发明实施例的资源调度的方法, 如图 1所示, 包括以下步驟: 步驟 101 : 利用干扰因子映射规则, 计算当前子帧的调度队列中各个 UE 的干扰因子。
具体的, 逐个提取当前子帧的调度队列中各个 UE, 根据所述 UE在当前子 帧的质量信息、 与所述 UE在除当前子帧外的可调度的各个子帧中的选定的质 量信息之间的差值, 从干扰因子映射规则中提取所述 UE的干扰因子。
这里, 所述质量信息可以包括: 误块率(BLER, Block Error Ratio ), 丟包 率、 干扰测量值。
所述选定的质量信息可以为从除当前子帧外的可调度的各个子帧中, 选定 最小的 BLER、 或选定最小的丟包率、 或选定最小的干扰测量值。
所述干扰因子映射规则为根据实际情况预设的表格, 包括: 一个或多个 BLER差值的范围, 以及与各个所述 BLER差值的范围分别对应的干扰因子; 或者, 一个或多个丟包率差值的范围, 以及与各个所述丟包率差值的范围 分别对应的干扰因子;
或者, 一个或多个干扰测量值差值的范围, 以及与各个所述干扰测量值差 值的范围分别对应的干扰因子。
其中, 所述 BLER、 所述丟包率、 以及所述干扰测量值的获取方法为现有 技术, 这里不做赞述。
所述除当前子帧外的可调度的各个子帧为: 当所述 UE为指定的在 ABS上 调度的 UE时, 除当前子帧外的可调度的各个子帧为除当前子帧外的其他所有 ABS; 当所述 UE不是指定的在 ABS上调度的 UE时, 所述除当前子帧外的可 调度的各个子帧为除当前子帧外的其他所有子帧。
步驟 102:利用所述各个 UE的干扰因子计算所述当前子帧的调度队列中各 个 UE对应的优先级。
具体的, 逐个利用所述当前子帧的调度队列中各个 UE的原始优先级与所 述 UE的干扰因子进行计算, 得到所述 UE对应的优先级。
这里, 所述计算可以为根据实际情况设定, 比如可以为相乘、 或者相加、 或者将干扰因子乘以预设比例后再相加。
所述原始优先级的获取方法为现有技术, 这里不做赞述。
步驟 103:根据所述当前子帧的调度队列中各个 UE对应的优先级为 UE分 配资源。
这里, 所述分配资源的方法为现有技术, 这里不做赞述。
进一步的, 执行步驟 101之前, 还包括: 利用当前子帧中需要调度的 UE 建立当前子帧的调度队列。
所述需要调度的 UE为: 所有进入基站覆盖范围的 UE;
或者, 若当前接入的系统使用 elCIC技术, 且当前子帧为 ABS, 则所述需 要调度的 UE为指定的在 ABS上调度的 UE、 和 /或所有进入基站覆盖范围的 UE;
或者, 若当前系统使用增强型小区间干扰协调 elCIC技术, 且当前子帧为 非 ABS,则所述需要调度的 UE为除指定在 ABS上调度外的所有进入基站覆盖 范围的 UE。
如图 2所示, 本发明实施例提供了一种资源调度的装置, 该装置包括: 干 扰因子计算模块 21、 优先级计算模块 22和调度模块 23; 其中,
干扰因子计算模块 21 , 配置为利用干扰因子映射规则, 计算当前子帧的调 度队列中各个 UE的干扰因子, 将当前子帧的调度队列中各个 UE的干扰因子 发送给优先级计算模块 22;
优先级计算模块 22, 配置为利用干扰因子计算模块 21发来的所述各个 UE 的干扰因子计算所述当前子帧的调度队列中各个 UE对应的优先级, 将所述当 调度模块 23 , 配置为根据优先级计算模块 22发来的所述当前子帧的调度 所述干扰因子计算模块 21 , 配置为利用当前子帧中需要调度的 UE建立当 前子帧的调度队列。
所述干扰因子计算模块 21 ,配置为若当前系统使用 3GPP R10提出的 elCIC 技术, 且当前子帧为 ABS, 则将指定的在 ABS上调度的 UE和 /或其他进入基 站覆盖范围的 UE作为所述需要调度的 UE; 否则, 将除指定在 ABS子帧调度 外的所有进入基站覆盖范围的 UE作为需要调度的 UE; 若当前系统不使用 elCIC技术, 则将所有进入基站覆盖范围的 UE均作为需要调度的 UE。
所述干扰因子计算模块 21 , 配置为逐个提取当前子帧的调度队列中各个 UE, 根据所述 UE在当前子帧的质量信息、 与所述 UE在除当前子帧外的可调 度的各个子帧中的选定的质量信息之间的差值, 从干扰因子映射规则中提取所 述 UE的干扰因子。
所述干扰因子计算模块 21 ,具体配置为当所述 UE为指定的在 ABS上调度 的 UE时, 将除当前子帧外的其他所有 ABS子帧作为除当前子帧外的可调度的 各个子帧; 当所述 UE不为指定的在 ABS上调度的 UE时, 将除当前子帧外的 其他所有子帧作为除当前子帧外的可调度的各个子帧。
所述干扰因子计算模块 21 , 具体配置为保存干扰因子映射规则; 其中, 所 述干扰因子映射规则, 包括: 一个或多个 BLER差值的范围, 与各个 BLER差 值的范围对应的干扰因子;
或者, 一个或多个丟包率差值的范围, 以及与各个所述丟包率差值的范围 分别对应的干扰因子;
或者, 一个或多个干扰测量值差值的范围, 以及与各个所述干扰测量值差 值的范围分别对应的干扰因子。
所述优先级计算模块 22, 配置为逐个利用所述当前子帧的调度队列中各个 UE的原始优先级与所述 UE的干扰因子进行计算,得到所述 UE对应的优先级; 所述计算可以为根据实际情况设定, 比如可以为相乘、 或者相加、 或者将干扰 因子乘以预设比例后再相加。
上述干扰因子计算模块、 优先级计算模块和调度模块, 均可以由 CPU或 DSP等硬件、 配合存储器实现, 且可以作为逻辑单元安装于基站中。 实施例一、 步驟 301 : 当前系统使用 elCIC技术且当前子帧为 ABS时, 利用指定的在 ABS上调度的 UE、 和 /或所有进入基站覆盖范围的 UE建立当前子帧的调度队 列。
步驟 302: 利用干扰因子映射规则, 确定当前子帧的调度队列中各个 UE 的干扰因子。
假设, 当采用 BLER进行干扰因子查询时, 可以为: 当前子帧的调度队列 中提取到标识(Index )为 10的 UE, 且所述 UE为指定接入 ABS的 UE, 则获 取其在当前子帧的 BLER为 0.35, 并获取所述 UE在除当前子帧外的其他可调 度的各个子帧的 BLER最小值为 0.35, 所述差值为 0, 根据所述差值从表 1中 查出对应的干 4尤因子为 FFI—nce = 64
Figure imgf000010_0001
表 1
当采用丟包率进行干扰因子查询时, 可以为: 当前子帧的调度队列中提取 到标识(Index )为 10的 UE, 且所述 UE为指定接入 ABS的 UE, 则获取其在 当前子帧的丟包率为 0.005,并获取所述 UE在除当前子帧外的其他可调度的各 个子帧的 BLER最小值为 0.005, 所述差值为 0, 根据所述丟包率的差值, 从干 扰因子映射规则中查出对应的干扰因子为 64。
当采用干扰测量值进行干扰因子查询时, 可以为: 当前子帧的调度队列中 提取到标识(Index )为 10的 UE, 且所述 UE为指定接入 ABS的 UE, 则获取 其在当前干扰测量值, 并获取所述 UE在除当前子帧外的其他可调度的各个子 帧的干扰测量值的最小值, 根据所述干扰测量值的差值, 从干扰因子映射规则 中查出对应的干扰因子。
步驟 303:根据优先级因子计算公式,利用各个 UE的干扰因子计算所述当 前子帧的调度队列中各个 UE对应的优先级。
优先级因子计算公式中添加干扰因子 FFl蜂 计算新的排序优先级, 可以 为将干扰因子 ^" ^乘以原优先级作为新的优先级。
步驟 304: 根据各个 UE对应的优先级, 对该队列中的 UE进行排序。
步驟 305: 根据队列中 UE的优先级和业务资源类型( GBR, Guaranteed Bit
Rate /PBR: Priority Bit Rate ), 依次给 UE分配资源。
这里, 所述分配资源包括两轮资源分配, 具体为: 第一轮, 对于 GBR业务 和 NonGBR业务的 PBR,根据业务的 GBR/PBR和 BSR分配资源 , 以保证业务 的 GBR/PBR, 第二轮, 按照队列中优先级顺序, 对于 NonGBR业务, 根据业 务的 AMBR和 BSR分配资源。 实施例二、
步驟 401 : 当前系统使用 elCIC技术且当前子帧为非 ABS时, 利用除指定 在 ABS子帧调度外的所有进入基站覆盖范围的 UE作为需要调度的 UE建立当 前子帧的调度队列。
步驟 402: 利用干扰因子映射规则, 计算当前子帧的调度队列中各个 UE 的干扰因子。
假设, 当前子帧为子帧 2, 从当前子帧的调度队列中提取到标识(Index ) 为 12的 UE, 则获取其在当前子帧的 BLER为 =0.55, 并获取所述 UE在除当前 子帧外的其他可调度的各个子帧, 即在子帧 0、 1、 3、 4、 5、 6、 7、 8、 9上的 最小 BLER为 0.1 ,所述差值为 0.45,根据所述差值从表 1中查出对应的干扰因 FF 步驟 403:根据优先级因子计算公式,利用各个 UE的干扰因子计算所述当 前子帧的调度队列中各个 UE对应的优先级。
优先级因子计算公式中添加干扰因子 FFl 计算新的排序优先级, 所述 计算为将干扰因子 FF一 与原优先级相加得到新的优先级。
步驟 404: 根据各个 UE对应的优先级, 对该队列中的 UE进行排序。
步驟 405: 根据队列中 UE的优先级和业务资源类型( GBR, Guaranteed Bit Rate /PBR: Priority Bit Rate ), 依次给 UE分配资源。
这里, 所述分配资源包括两轮资源分配, 具体为: 第一轮, 对于 GBR业务 和 NonGBR业务的 PBR,根据业务的 GBR/PBR和 BSR分配资源 , 以保证业务 的 GBR/PBR, 第二轮, 按照队列中优先级顺序, 对于 NonGBR业务, 根据业 务的 AMBR和 BSR分配资源。 实施例三、
步驟 501 : 当前系统不使用 elCIC技术,将所有进入基站覆盖范围的 UE作 为需要调度的 UE建立当前子帧的调度队列。
步驟 502: 利用干扰因子映射规则, 计算当前子帧的调度队列中各个 UE 的干扰因子。
假设, 当前子帧为子帧 0, 从当前子帧的调度队列中提取到标识(Index ) 为 5的 UE, 则获取其在当前子帧的 BLER为 =0.1 , 并获取所述 UE在除当前子 帧外的其他可调度的各个子帧, 即在子帧 1、 2、 3、 4、 5、 6、 7、 8、 9上的最 小 BLER为 0.05, 所述差值为 0.05, 根据所述差值从表 1中查出对应的干扰因 子为 FF = 32„
步驟 503:根据优先级因子计算公式,利用各个 UE的干扰因子计算所述当 前子帧的调度队列中各个 UE对应的优先级。
优先级因子计算公式中添加干扰因子 FFl —计算新的排序优先级, 这里 计算为将干扰因子 和原优先级使用加权的方式相加或相乘得到新的优 先级。
步驟 504: 根据 UE对应的优先级, 对该队列中的 UE进行排序。
步驟 505: 根据队列中 UE的优先级和业务资源类型( GBR, Guaranteed Bit
Rate /PBR: Priority Bit Rate ), 依次给 UE分配资源。
这里, 所述分配资源包括两轮资源分配, 具体为: 第一轮, 对于 GBR业务 和 NonGBR业务的 PBR,根据业务的 GBR/PBR和 BSR分配资源, 以保证业务 的 GBR/PBR, 第二轮, 按照队列中优先级顺序, 对于 NonGBR业务, 根据业 务的 AMBR和 BSR分配资源。
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。

Claims

权利要求书
1、 一种资源调度的方法, 所述方法包括:
利用干扰因子映射规则, 计算当前子帧的调度队列中各个用户设备 UE的 干扰因子;
利用所述各个 UE的干扰因子计算所述当前子帧的调度队列中各个 UE对 应的优先级;
根据所述当前子帧的调度队列中各个 UE对应的优先级为 UE分配资源。
2、 根据权利要求 1所述的方法, 其中, 所述利用干扰因子映射规则, 计算 当前子帧的调度队列中各个 UE的干扰因子之前, 所述方法还包括:
利用当前子帧中需要调度的 UE建立当前子帧的调度队列。
3、 根据权利要求 2所述的方法, 其中, 所述需要调度的 UE为: 所有进入基站覆盖范围的 UE;
或者, 若当前系统使用增强型小区间干扰协调 elCIC技术, 且当前子帧为 几乎空白的子帧 ABS, 则所述需要调度的 UE为指定的在 ABS上调度的 UE、 和 /或所有进入基站覆盖范围的 UE;
或者, 若当前系统使用 elCIC技术, 且当前子帧为非 ABS, 则所述需要调 度的 UE为除指定在 ABS上调度外的所有进入基站覆盖范围的 UE。
4、 根据权利要求 3所述的方法, 其中, 所述利用干扰因子映射规则, 计算 当前子帧的调度队列中各个用户设备 UE的干扰因子, 包括:
逐个提取当前子帧的调度队列中各个 UE,根据所述 UE在当前子帧的质量 信息、 与所述 UE在除当前子帧外的可调度的各个子帧中的选定的质量信息之 间的差值, 从干扰因子映射规则中提取所述 UE的干扰因子。
5、 根据权利要求 4所述的方法, 其中, 所述 UE在除当前子帧外的可调度 的各个子帧为:
当所述 UE为指定的在 ABS上调度的 UE时, 所述除当前子帧外的可调度 的各个子帧为除当前子帧外的其他所有 ABS; 当所述 UE不为指定的在 ABS上调度的 UE时, 所述除当前子帧外的可调 度的各个子帧为除当前子帧外的其他所有子帧。
6、 根据权利要求 4所述的方法, 其中, 所述干扰因子映射规则, 包括: 一 个或多个 BLER差值的范围, 以及与各个所述 BLER差值的范围分别对应的干 扰因子;
或者, 一个或多个丟包率差值的范围, 以及与各个所述丟包率差值的范围 分别对应的干扰因子;
或者, 一个或多个干扰测量值差值的范围, 以及与各个所述干扰测量值差 值的范围分别对应的干扰因子。
7、 根据权利要求 1所述的方法, 其中, 所述利用各个 UE的干扰因子计算 所述当前子帧的调度队列中各个 UE对应的优先级, 包括:
逐个利用所述当前子帧的调度队列中各个 UE的原始优先级与所述 UE的 干扰因子进行计算, 得到所述 UE对应的优先级。
8、 一种资源调度的装置, 所述装置包括: 干扰因子计算模块、 优先级计 算模块和调度模块; 其中,
干扰因子计算模块, 配置为利用干扰因子映射规则, 计算当前子帧的调度 队列中各个 UE的干扰因子, 将当前子帧的调度队列中各个 UE的干扰因子发 送给优先级计算模块;
优先级计算模块, 配置为利用干扰因子计算模块发来的所述各个 UE的干 扰因子计算所述当前子帧的调度队列中各个 UE对应的优先级, 将所述当前子 调度模块, 配置为根据优先级计算模块发来的所述当前子帧的调度队列中 各个 UE对应的优先级为 UE分配资源。
9、 根据权利要求 8所述的装置, 其中,
所述干扰因子计算模块, 配置为利用当前子帧中需要调度的 UE建立当前 子帧的调度队列;
其中, 所述需要调度的 UE为: 所有进入基站覆盖范围的 UE; 或者, 若当前系统使用 elCIC技术, 且当前子帧为几乎空白的子帧 ABS, 则所述需要调度的 UE为指定的在 ABS上调度的 UE、 和 /或所有进入基站覆盖 范围的 UE;
或者, 若当前系统使用 elCIC技术, 且当前子帧为非 ABS, 则所述需要调 度的 UE为除指定在 ABS上调度外的所有进入基站覆盖范围的 UE。
10、 根据权利要求 9所述的装置, 其中,
所述干扰因子计算模块, 配置为逐个提取当前子帧的调度队列中各个 UE, 根据所述 UE在当前子帧的质量信息、 与所述 UE在除当前子帧外的可调度的 各个子帧中的选定的质量信息之间的差值,从干扰因子映射规则中提取所述 UE 的干扰因子。
11、 根据权利要求 10所述的装置, 其中,
所述干扰因子计算模块, 配置为保存干扰因子映射规则;
其中, 所述干扰因子映射规则, 包括: 一个或多个 BLER差值的范围, 与 各个 BLER差值的范围对应的干扰因子;
或者, 一个或多个丟包率差值的范围, 以及与各个所述丟包率差值的范围 分别对应的干扰因子;
或者, 一个或多个干扰测量值差值的范围, 以及与各个所述干扰测量值差 值的范围分别对应的干扰因子。
12、 根据权利要求 8所述的装置, 其中,
所述优先级计算模块,配置为逐个利用所述当前子帧的调度队列中各个 UE 的原始优先级与所述 UE的干扰因子进行计算, 得到所述 UE对应的优先级。
PCT/CN2013/090782 2013-05-24 2013-12-27 一种资源调度的方法及装置 WO2014187139A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13885181.1A EP3007504B1 (en) 2013-05-24 2013-12-27 Resource scheduling method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310198863.X 2013-05-24
CN201310198863.XA CN104185291B (zh) 2013-05-24 2013-05-24 一种资源调度的方法及装置

Publications (1)

Publication Number Publication Date
WO2014187139A1 true WO2014187139A1 (zh) 2014-11-27

Family

ID=51932782

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/090782 WO2014187139A1 (zh) 2013-05-24 2013-12-27 一种资源调度的方法及装置

Country Status (3)

Country Link
EP (1) EP3007504B1 (zh)
CN (1) CN104185291B (zh)
WO (1) WO2014187139A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111372315A (zh) * 2018-12-25 2020-07-03 中国移动通信集团浙江有限公司 基于用户感知的上下行调度的方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106850147B (zh) * 2017-02-28 2019-12-27 重庆邮电大学 一种用于干扰协调系统的无线资源调度方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101521942A (zh) * 2008-02-26 2009-09-02 鼎桥通信技术有限公司 一种高速上行分组接入系统调度方法
CN101917770A (zh) * 2010-08-10 2010-12-15 北京邮电大学 一种家庭基站的干扰抑制方法
US20110092235A1 (en) * 2009-10-19 2011-04-21 Samsung Electronics Co. Ltd. Apparatus for measuring radio environment of base station and method for measuring the same
CN102655681A (zh) * 2011-03-01 2012-09-05 普天信息技术研究院有限公司 一种调度方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW484283B (en) * 2000-08-11 2002-04-21 Ind Tech Res Inst Dynamic scheduling scheduler framework and method for mobile communication
US20110130099A1 (en) * 2009-05-22 2011-06-02 Qualcomm Incorporated Systems, apparatus and methods for distributed scheduling to facilitate interference management

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101521942A (zh) * 2008-02-26 2009-09-02 鼎桥通信技术有限公司 一种高速上行分组接入系统调度方法
US20110092235A1 (en) * 2009-10-19 2011-04-21 Samsung Electronics Co. Ltd. Apparatus for measuring radio environment of base station and method for measuring the same
CN101917770A (zh) * 2010-08-10 2010-12-15 北京邮电大学 一种家庭基站的干扰抑制方法
CN102655681A (zh) * 2011-03-01 2012-09-05 普天信息技术研究院有限公司 一种调度方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3007504A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111372315A (zh) * 2018-12-25 2020-07-03 中国移动通信集团浙江有限公司 基于用户感知的上下行调度的方法及装置

Also Published As

Publication number Publication date
EP3007504A4 (en) 2016-06-08
CN104185291B (zh) 2019-01-18
EP3007504B1 (en) 2017-11-01
EP3007504A1 (en) 2016-04-13
CN104185291A (zh) 2014-12-03

Similar Documents

Publication Publication Date Title
US9565570B2 (en) Capacity planning method and device for wireless broadband network
CN109417720B (zh) 拥塞控制方法、基站及终端
Zhenqi et al. Research on uplink scheduling algorithm of massive M2M and H2H services in LTE
WO2018059425A1 (zh) 上行功率控制方法及装置
WO2011116674A1 (zh) 子帧间的业务负荷均衡处理及小区间干扰处理方法及设备
WO2017133012A1 (zh) 一种上行控制信息传输的方法及装置
WO2010133064A1 (zh) 一种分配控制信道资源的方法及装置
WO2011127856A2 (zh) 资源分配方法、装置和基站
MX2012010882A (es) Metodo para programar el servicio de tasa de bits garantizada con base en la calidad del servicio.
CN104902431B (zh) 一种lte网络中跨小区d2d通信频谱分配方法
WO2012094995A1 (zh) 一种comp的实现方法、装置及基站
WO2017124323A1 (zh) 资源分配的方法、基站和信道质量分级设备
WO2016165436A1 (zh) 一种自适应的下行CoMP传输方法和装置
JP2012138809A5 (zh)
KR101749200B1 (ko) 무선 통신 네트워크의 허용 제어를 위한 방법 및 장치
WO2014032521A1 (zh) 一种频谱分配方法和设备
TWI572234B (zh) 用於巢狀式網路之中央控制設備及其資源分配方法
WO2014108028A1 (zh) 无线通信方法和无线通信设备
Yaqoob et al. Enhanced exponential rule scheduling algorithm for real-time traffic in LTE network
CN102118870A (zh) 终端调度方法和设备
WO2014187139A1 (zh) 一种资源调度的方法及装置
WO2021027498A1 (zh) 一种流量分配管理方法、装置、基站及存储介质
WO2012058971A1 (zh) 一种边缘频率资源分配的方法、装置、系统及设备
WO2014110962A1 (zh) 用于确定上下行子帧配比的装置、方法、基站以及系统
WO2016197673A1 (zh) 一种载波聚合场景下的成员载波调度方法及装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13885181

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

REEP Request for entry into the european phase

Ref document number: 2013885181

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2013885181

Country of ref document: EP