WO2014000235A1 - 一种资源调度的方法、设备和系统 - Google Patents

一种资源调度的方法、设备和系统 Download PDF

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Publication number
WO2014000235A1
WO2014000235A1 PCT/CN2012/077801 CN2012077801W WO2014000235A1 WO 2014000235 A1 WO2014000235 A1 WO 2014000235A1 CN 2012077801 W CN2012077801 W CN 2012077801W WO 2014000235 A1 WO2014000235 A1 WO 2014000235A1
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Prior art keywords
base station
resource block
frequency band
band resource
signaling
Prior art date
Application number
PCT/CN2012/077801
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English (en)
French (fr)
Inventor
解应春
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280000779.6A priority Critical patent/CN102934483B/zh
Priority to PCT/CN2012/077801 priority patent/WO2014000235A1/zh
Publication of WO2014000235A1 publication Critical patent/WO2014000235A1/zh

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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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/20Interfaces between hierarchically similar devices between access points

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, device, and system for resource scheduling.
  • LTE Long Term Evolution
  • OFDMA Orthogonal Frequency Division Multiple Access
  • the prior art provides an Inter-Cell Interference Coordination (ICIC), which limits the allocation of frequency resources and power resources, and restricts services that cause large interference to neighboring cells to neighboring cells.
  • the edge bands are orthogonal to each other, so that the edge bands between the cells do not interfere with each other.
  • the invention provides a method, a device and a system for resource scheduling, so as to reduce interference in user neighboring area switching and improve performance and success rate of user neighboring area switching.
  • An aspect of the present invention provides a method for resource scheduling, including:
  • the first base station sends, to the second base station, the indication signaling that carries the identifier of the frequency band resource block, where the indication signaling is used to indicate that the second base station performs a reduced interference strategy on the frequency resource block corresponding to the frequency band resource identifier of the second base station;
  • the frequency band resource block is configured to transmit uplink information and/or downlink information between the first base station and the user equipment UE;
  • the first base station schedules the UE, and the scheduling is limited to the frequency band resource block Identify the corresponding frequency band resource block;
  • the second base station performs a reduced interference policy for the frequency band resource block.
  • a base station including:
  • a first sending unit configured to send, to the second base station, indication signaling that carries a band resource block identifier, so that the second base station starts to use the handover request response signaling sent by the first sending unit
  • the frequency band resource block corresponding to the frequency band resource block identifier performs a reduced interference policy, where the indication signaling is used to indicate that the second base station performs a reduced interference policy on a frequency band resource block corresponding to the frequency band resource block identifier;
  • the resource block is configured to transmit uplink information and/or downlink information between the base station and the UE;
  • a first processing unit configured to perform scheduling on the UE, where the scheduling is limited to the frequency band resource block corresponding to the frequency band resource block identifier.
  • a base station including:
  • a second sending unit configured to send, to the first base station, indication signaling that carries a frequency band resource block identifier, so that after the first base station sends the handover signaling to the UE, performing, for the frequency band resource block corresponding to the frequency band resource block identifier, Reduce interference strategies;
  • a second processing unit configured to perform scheduling on the UE, where the scheduling is limited to the frequency band resource block corresponding to the frequency band resource block identifier.
  • Another aspect of the present invention provides a system comprising the above base station.
  • the first base station sends, to the second base station, the indication signaling that carries the identifier of the frequency band resource block, where the first base station schedules the UE, where the scheduling is limited to the frequency resource block corresponding to the resource identifier of the frequency band,
  • the two base stations perform a reduced interference strategy for the resource blocks of the frequency band, thereby effectively reducing interference when the user is switched at the edge of the base station, and improving the performance and success rate of the user's neighbor switching.
  • FIG. 1 is a schematic diagram of a method for resource scheduling according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a method for resource scheduling according to another embodiment of the present invention
  • FIG. 3 is a schematic diagram of another embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a method for resource scheduling according to another embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a base station according to another embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a base station according to another embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of a base station according to another embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a base station according to another embodiment of the present invention
  • FIG. 10 is a schematic diagram of a system according to another embodiment of the present invention.
  • An embodiment of the present invention provides a method for resource scheduling. As shown in FIG. 1, the method includes:
  • the first base station sends, to the second base station, indication signaling that carries a band resource block identifier.
  • the indication signaling is used to indicate that the second base station performs a interference reduction policy on the frequency band resource block corresponding to the frequency band block identifier; the frequency band resource block is used to transmit the first base station and the user equipment (User Equipment, UE) Uplink information and/or downlink information.
  • User Equipment User Equipment
  • the first base station schedules the UE.
  • the scheduling is limited to a band resource block corresponding to the band resource block identifier.
  • the first base station starts scheduling the UE when transmitting the handover request signaling to the second base station, and After the first base station sends the handover signaling to the UE, the scheduling restriction on the frequency band resource block is cancelled.
  • the first base station after receiving the random access sequence signaling sent by the UE, performs the UE on the UE. Scheduling, and after the first base station receives the handover complete signaling sent by the UE, cancels the scheduling restriction on the resource block of the frequency band.
  • the second base station performs a interference reduction strategy for the frequency band resource block.
  • the method for reducing interference specifically includes: not scheduling the resource block of the frequency band; or reducing the power of the resource block of the frequency band.
  • the second base station stops the interference reduction strategy performed for the frequency band resource block.
  • the interference reduction policy stop condition includes: the second base station receives the random access sequence signaling sent by the UE; Or the first timer expires, and the first timer is started when the second base station sends the handover request response signaling to the first base station.
  • the interference reduction policy stop condition includes any one of the following: the second base station receives the context release letter of the UE. Order
  • the second base station completes sending the cached data of the UE
  • the second base station completes the resource for releasing the UE
  • the second timer expires, and the second timer is started after the first base station sends a handover signal to the UE.
  • the first base station sends the indication signaling that carries the band resource block identifier to the third base station, and the third base station starts the resource of the band when receiving the indication signaling of the bearer resource block identifier sent by the first base station.
  • the frequency band resource block corresponding to the block identifier performs a interference reduction policy, where the first base station is a serving base station of the UE, and the third base station is a non-serving base station of the UE, so that the user neighboring area can be better reduced when switching Interference in the neighbourhood.
  • the method provided by the embodiment of the invention effectively reduces the interference of the non-serving base station to the users in the service base station, and improves the performance of the data transmission between the UE and the serving base station.
  • Another embodiment of the present invention provides a method for resource scheduling. As shown in FIG. 2, this embodiment is a case where a first base station is a source base station of a UE, and a second base station is a target base station of a UE.
  • the line description, the method includes:
  • the first base station receives the measurement report sent by the UE, and determines the target base station of the UE according to the measurement report.
  • the first base station sends, to the second base station, indication signaling that carries a band resource block identifier.
  • the indication signaling is used to indicate that the second base station performs a interference reduction policy on the frequency band resource block corresponding to the frequency band block identifier; the frequency band resource block is used to transmit uplink information between the first base station and the UE, and/or Downstream information.
  • the first base station may further send, to the third base station, indication signaling that carries a frequency band resource block identifier, where the third base station starts to receive the indication signaling of the carried frequency band resource block identifier sent by the first base station, Performing a interference reduction policy on the frequency band resource block corresponding to the frequency band resource identifier, and stopping the execution of the interference reduction policy when the third timer started when the third base station receives the indication signaling expires, so as to better reduce the user.
  • the interference of the neighboring cell at the time of handover, the third base station is a non-serving base station of the UE.
  • S203 The first base station starts scheduling the UE when sending the handover request signaling to the second base station.
  • the scheduling is limited to a band resource block corresponding to the band resource block identifier.
  • the reducing the interference policy specifically includes: not scheduling the resource block of the frequency band; or reducing the power of the resource block of the frequency band.
  • the first base station sends handover signaling to the UE.
  • the last data packet sent by the first base station to the second base station carries an end marker frame.
  • the second base station receives the data packet carrying the end marker frame, the buffer data transmission of the UE is completed.
  • S208 The UE sends random access sequence signaling to the second base station. It should be noted that, when the interference condition reduction condition for the frequency band resource block is satisfied, the second base station stops the interference reduction strategy performed for the frequency band resource block.
  • the mitigation of the mitigation policy includes: the second base station receives the random access sequence signaling sent by the UE; or the first timer expires, the first timer sends a handover to the first base station at the second base station Starts when request response signaling.
  • the second base station sends random access response signaling to the UE.
  • the UE sends handover completion signaling to the second base station.
  • the second base station sends a context release signaling of the UE to the first base station.
  • the first base station releases resources of the UE.
  • the interference of the UE at the base station edge in the neighboring cell handover and the first base station is disconnected to the UE and the first base station is disconnected, and the user is improved.
  • Another embodiment of the present invention provides a method for resource scheduling. As shown in FIG. 3, this embodiment is described by taking a first base station as a target base station of a UE, and a second base station as a source base station of the UE. Methods include:
  • the second base station receives the measurement report sent by the UE, and determines the target base station of the UE according to the measurement report.
  • the first base station sends, to the second base station, indication signaling that carries a band resource block identifier.
  • the indication signaling is used to indicate that the second base station performs a interference reduction policy on the frequency band resource block corresponding to the frequency band block identifier; the frequency band resource block is used to transmit uplink information between the first base station and the user equipment UE. / or downlink information.
  • the first base station may further send, to the third base station, indication signaling that carries a frequency band resource block identifier, where the third base station starts to receive the indication signaling of the carried frequency band resource block identifier sent by the first base station, Performing a interference reduction policy on the frequency band resource block corresponding to the frequency band resource identifier, and stopping the execution of the interference reduction policy when the third timer started when the third base station receives the indication signaling expires, so as to better reduce the user.
  • the interference of the neighboring cell at the time of handover, the third base station is a non-serving base station of the UE. S303.
  • the second base station sends handover request signaling to the first base station.
  • S304 The first base station sends a handover request response signaling to the second base station.
  • the second base station sends handover signaling to the UE.
  • the second base station starts to send the cached data of the UE to the first base station when sending the handover signaling to the UE.
  • the last data packet sent by the second base station to the first base station carries an end marker frame.
  • the buffer data transmission of the UE is completed.
  • the second base station After sending the handover signaling to the UE, the second base station performs a interference reduction policy for the resource block of the frequency band.
  • the reducing the interference policy specifically includes: not scheduling the resource block of the frequency band; or reducing the power of the resource block of the frequency band.
  • the UE sends random access sequence signaling to the first base station.
  • the first base station After receiving the random access sequence signaling sent by the UE, the first base station schedules the UE. The scheduling is limited to the band resource block corresponding to the band resource block identifier.
  • the first base station sends random access response signaling to the UE.
  • the UE sends the handover complete signaling to the first base station, so that the first base station cancels the scheduling restriction on the frequency band resource block.
  • the first base station sends a context release signaling of the UE to the second base station. S313.
  • the second base station translates resources of the UE. It should be noted that, in the case that the interference condition reduction condition for the frequency band resource block is satisfied, the second base station stops the interference reduction strategy performed for the frequency band resource block.
  • the reduction interference policy stop condition includes any of the following:
  • the second base station receives the context translation signaling of the UE
  • the second base station completes the sending of the buffered data of the UE (that is, the second base station sends the cached data packet carrying the end marked frame);
  • the second base station completes the resource for releasing the UE;
  • the second timer expires, and the second timer is started after the second base station sends the handover signaling to the UE.
  • the interference of the UE at the base station edge in the process of establishing a connection with the first base station in the neighboring cell handover is effectively reduced, and the performance and success rate of the user neighboring cell handover are improved.
  • Another embodiment of the present invention provides another method for resource scheduling. As shown in FIG. 4, this embodiment combines the embodiments described in FIG. 2 with FIG. 3, where the first base station is a UE.
  • the source base station, where the second base station is the target base station of the UE is described as an example.
  • the method includes:
  • the first base station receives a measurement report sent by the UE, and determines a target base station of the UE according to the measurement report.
  • the first base station sends, to the second base station, indication signaling that carries a frequency band resource block identifier used by the first base station.
  • the indication signaling is used to indicate that the second base station performs a interference reduction policy on the frequency band resource block corresponding to the frequency band block identifier; the frequency band resource block is used to transmit uplink information between the first base station and the UE, and/or Downstream information.
  • the first base station may further send, to the third base station, indication signaling that carries a frequency band resource block identifier used by the first base station, where the third base station receives an indication of the carried frequency band resource block identifier sent by the first base station.
  • indication signaling that carries a frequency band resource block identifier used by the first base station
  • the third base station receives an indication of the carried frequency band resource block identifier sent by the first base station.
  • the first base station starts scheduling the UE when sending the handover request signaling to the second base station.
  • the scheduling is limited to a frequency band resource block corresponding to the frequency band resource block identifier used by the first base station.
  • the second base station sends, to the first base station, indication signaling that carries a frequency band resource block identifier used by the second base station.
  • the indication signaling is used to indicate that the first base station performs a interference reduction policy on the frequency band resource block corresponding to the frequency band block identifier; the frequency band resource block is used to transmit uplink information between the second base station and the user equipment UE and/or Downstream information.
  • the second base station may further send, to the third base station, indication signaling that carries the bandwidth resource block identifier used by the second base station, where the third base station receives the indication of the carried bandwidth resource block identifier sent by the second base station.
  • the third base station When signaling, start to implement a reduced interference policy for the frequency band resource block corresponding to the frequency band resource block identifier, and stop executing the reduced interference policy when the third timer started when the third base station receives the indication signaling expires, so that To better reduce the interference of the neighboring cell when the user switches, the third base station is a non-serving base station of the UE.
  • S405 When the second base station sends the handover request response signaling to the first base station, start performing a interference reduction policy for the frequency band resource block used by the first base station.
  • the reducing the interference policy specifically includes: not scheduling the resource block of the frequency band; or reducing the power of the resource block of the frequency band.
  • the first base station sends handover signaling to the UE.
  • the first base station After sending the handover signaling to the UE, the first base station cancels the scheduling restriction of the frequency band resource block used by the first base station, and performs a reduced interference strategy for the frequency band resource block used by the second base station.
  • the reducing the interference policy specifically includes: not scheduling the resource block of the frequency band; or reducing the power of the resource block of the frequency band.
  • the UE sends random access sequence signaling to the second base station. It should be noted that, in the case that the band resource resource reduction interference policy stop condition used for the first base station is satisfied, the second base station stops the interference reduction policy performed for the band resource block used by the first base station.
  • the mitigation of the mitigation policy includes: the second base station receives the random access sequence signaling sent by the UE; or the first timer expires, the first timer sends a handover to the first base station at the second base station Starts when request response signaling.
  • the second base station After receiving the random access sequence signaling sent by the UE, the second base station The UE performs scheduling.
  • the scheduling is limited to a band resource block corresponding to the band resource block identifier used by the second base station.
  • the second base station sends random access response signaling to the UE.
  • the UE sends a handover complete signaling to the second base station.
  • the second base station sends a context release signaling of the UE to the first base station. S415.
  • the first base station releases resources of the UE.
  • the first base station stops the interference reduction strategy performed for the band resource block used by the second base station.
  • the reduction interference policy stop condition includes any of the following:
  • the first base station completes the sending of the buffered data of the UE (that is, the first base station sends a buffered data packet carrying the end marked frame);
  • the first base station completes the resource for releasing the UE
  • the second timer expires, and the second timer is started after the first base station sends a handover signal to the UE.
  • the method provided by the embodiment of the present invention is applied in the process of the neighboring cell handover, and the first base station performs scheduling on the UE, and the second base station performs a reduced interference policy on the frequency band resource block used by the first base station, and the second base station performs the interference reduction policy on the UE.
  • the first base station performs a reduced interference policy on the frequency band resource block used by the second base station, so that the interference of the UE at the base station edge in the neighboring area switching is effectively reduced, and the performance and success rate of the user neighboring area switching are improved.
  • Another embodiment of the present invention provides a base station 500, as shown in FIG. 5, including the first The transmitting unit 501 and the first processing unit 502.
  • the first sending unit 501 is configured to send, to the second base station, indication signaling that carries the bandwidth resource block identifier, so that the second base station starts to use the switching request response signaling sent by the first sending unit 501.
  • the resource block block corresponding to the resource block identifier performs a reduced interference strategy.
  • the indication signaling is used to indicate that the second base station performs a reduced interference policy on the frequency band resource block corresponding to the frequency band block identifier; the frequency band resource block is used to transmit uplink information and/or downlink information between the base station and the UE.
  • the performing the interference reduction policy specifically includes: not scheduling the frequency band resource block; or reducing the power of the frequency band resource block.
  • the first processing unit 502 is configured to schedule the UE, where the scheduling is limited to the band resource block corresponding to the band resource block identifier.
  • the first sending unit 501 is further configured to send the handover request signaling to the second base station.
  • the first processing unit 502 is specifically configured to send, by the first sending unit 501, a handover request message to the second base station. When the time is up, the UE is scheduled to start.
  • the first sending unit 501 is further configured to send the handover signaling to the UE.
  • the first processing unit 502 is specifically configured to cancel the resource of the band after the first base station sends the handover signaling to the UE. Block scheduling restrictions.
  • the second base station stops the interference reduction policy performed for the band resource block.
  • the foregoing interference reduction policy stopping condition may be: the second base station receives the random access sequence signaling sent by the UE, and further, considering the random access sequence signaling that the UE sends to the second base station in an actual application. The delay may occur, and the second base station may not receive the random access sequence signaling for a long time. Therefore, as shown in FIG. 6, the base station further includes: a first timer 503, configured to be in the first sending unit 501.
  • the first processing unit 502 is specifically configured to cancel the scheduling restriction on the resource block of the frequency band when the first timer 503 times out, thereby ensuring that the second base station can stop executing in time.
  • the interference strategy prevents the quality of subsequent data transmission from being affected by the second base station performing the reduced interference strategy for a long time.
  • the first sending unit 501 of the base station is further configured to send the carrying band resource block identifier indication signaling to the third base station, so that the third base station starts to perform interference reduction on the frequency band resource block corresponding to the frequency band resource block identifier.
  • the third base station is a non-serving base station of the UE, so that the interference of the neighboring area can be better reduced when the user is in the neighboring area.
  • the base station performs scheduling on the UE, and the second base station performs a reduced interference policy on the frequency band resource block used by the base station, thereby effectively reducing the interference of the UE located in the neighboring area at the edge of the base station. Improve the performance and success rate of user neighbor switching.
  • Another embodiment of the present invention provides a base station 700, as shown in FIG. 7, including a second transmitting unit 701 and a second processing unit 702.
  • the second sending unit 701 is configured to send, to the first base station, the indication signaling that carries the bandwidth resource block identifier, so that after the first base station sends the handover signaling to the UE, performing interference reduction on the frequency band resource block corresponding to the frequency band resource block identifier.
  • the indication signaling is used to indicate that the first base station performs a interference reduction policy on the frequency band resource block corresponding to the frequency band block identifier; the frequency band resource block is used to transmit uplink information and/or downlink information between the base station and the UE.
  • the performing the interference reduction policy specifically includes: not scheduling the frequency band resource block; or reducing the power of the frequency band resource block.
  • the second processing unit 702 is configured to schedule the UE, where the scheduling is limited to the band resource block corresponding to the band resource block identifier.
  • the base station 700 further includes: a second receiving unit 703, configured to receive handover completion signaling sent by the UE; and the second processing unit 702 is further configured to be in the second receiving unit. After receiving the handover complete signaling sent by the UE, the scheduling restriction on the resource block of the frequency band is cancelled.
  • the second sending unit 701 is further configured to send the handover request response signaling to the first base station;
  • the first base station stops the interference reduction policy performed for the band resource block.
  • the foregoing interference reduction policy stop condition may include any one of the following: the first base station receives the context release signaling of the UE; the first base station completes the transmission of the buffered data of the UE; and the first base station completes the translation The resources of the UE.
  • the signaling or data transmitted between the first base station and the base station may be delayed. Therefore, as shown in FIG.
  • the base station 700 further includes: a second timer 704,
  • the second processing unit 702 is specifically configured to cancel the scheduling restriction on the frequency resource block when the second timer 704 times out. And stopping after timeout, thereby ensuring that the first base station can stop performing the interference reduction strategy in time, and preventing the first base station from performing interference reduction for a long time.
  • the strategy affects the quality of subsequent data transmissions.
  • the second timer timeout may also be one of the foregoing interference reduction policy stop conditions.
  • the second sending unit 701 is further configured to send, to the third base station, the indication signaling that carries the bandwidth resource block identifier, so that the third base station starts to implement the interference reduction strategy for the frequency band resource block corresponding to the frequency band resource block identifier.
  • the third base station is a non-serving base station of the UE, so that when the user neighboring area is switched, the interference of the neighboring area can be better reduced.
  • the base station performs scheduling on the UE, and the first base station performs a reduced interference policy on the frequency band resource block used by the base station, so that the interference of the UE located in the neighboring area at the base station edge is effectively reduced. Improve the performance and success rate of user neighbor switching.
  • Another embodiment of the present invention provides a system, as shown in FIG. 10, including: the base station 500 provided by the above embodiment, and/or the foregoing base station 700.
  • the system may be an LTE system, a Worldwide Interoperability for Microwave Access (WiMAX) system, or a Universal Mobile Telecommunications System (UTMS) system, or other such communication system. This is not limited.
  • WiMAX Worldwide Interoperability for Microwave Access
  • UTMS Universal Mobile Telecommunications System
  • each unit in the device also corresponds to each step in the method.
  • the system provided by the embodiment of the invention can effectively reduce the interference of the non-serving base station to the user in the serving base station, and improve the performance of the data transmission between the UE and the serving base station.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, and a read-only memory.

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Abstract

本发明提供一种资源调度的方法、设备和系统。该方法包括:第一基站向第二基站发送携带频带资源块标识的指示信令,该第一基站对该UE进行调度;其中,该调度限于该频带资源块标识对应的该频带资源块,该第二基站针对该频带资源块执行减少干扰策略。本发明实施例能够减少用户邻区切换中的干扰,提升用户邻区切换的性能和成功率。

Description

一种资源调度的方法、 设备和系统 技术领域
本发明涉及通信技术领域, 尤其涉及一种资源调度的方法、 设备和系 统。
背景技术
长期演进网络 ( Long Term Evolution, LTE ) 特有的正交频分多址 ( Orthogonal Frequency Division Multiple Access , OFDMA ) 接入方式, 使本小区内的用户信息承载在相互正交的不同载波上, 因此所有的干扰 来自于其他小区。 对于小区中心的用户来说, 其本身离基站的距离比较 近, 相邻小区对本小区用户的干扰较小, 但是对于小区边缘的用户, 由 于本小区与其相邻小区占用同样载波资源的用户对其干扰比较大, 加之 本身距离基站较远, 导致小区边缘的用户服务质量较差。
因此现有技术提供了一种小 区间干扰协调技术 ( Inter-Cell Interference Coordination , ICIC ) , 通过对频率资源和功率资源的分配加 以限制, 把对邻区产生较大干扰的业务限制在与邻区互相正交的边缘频 带上, 从而达到小区间的边缘频带互不干扰。
但是, 由于 ICIC技术本身并不成熟, 而且该技术是针对小区内所有用户的 技术, 因此在小区内用户较多的情况下, 使用户切换的性能和成功率降低, 影响用户的体验。
发明内容
本发明提供一种资源调度的方法、 设备和系统, 以减少用户邻区切 换中的干扰, 提升用户邻区切换的性能和成功率。 本发明一方面提供一种资源调度的方法, 包括:
第一基站向第二基站发送携带频带资源块标识的指示信令, 其中, 所述指示信令用于指示所述第二基站对所述频带资源块标识对应的频带 资源块执行减少干扰策略; 所述频带资源块用于传输所述第一基站与用 户设备 UE之间的上行信息和 /或下行信息;
所述第一基站对所述 UE进行调度,所述调度限于所述频带资源块标 识对应的所述频带资源块;
所述第二基站针对所述频带资源块执行减少干扰策略。 本发明另一方面提供一种基站, 包括:
第一发送单元, 用于向第二基站发送携带频带资源块标识的指示信 令, 以使得所述第二基站在接收到所述第一发送单元发送的切换请求响 应信令时, 开始针对所述频带资源块标识对应的频带资源块执行减少干 扰策略; 其中, 所述指示信令用于指示所述第二基站对所述频带资源块 标识对应的频带资源块执行减少干扰策略; 所述频带资源块用于传输所 述基站与 UE之间的上行信息和 /或下行信息; 及,
第一处理单元, 用于对所述 UE 进行调度, 所述调度限于所述频带 资源块标识对应的所述频带资源块。 本发明另一方面提供一种基站, 包括:
第二发送单元, 用于向第一基站发送携带频带资源块标识的指示信 令, 以使得所述第一基站向 UE发送切换信令后, 针对所述频带资源块标 识对应的频带资源块执行减少干扰策略; 及,
第二处理单元, 用于对所述 UE 进行调度, 所述调度限于所述频带 资源块标识对应的所述频带资源块。 本发明另一方面提供一种系统, 包括上述基站。
上述技术方案中, 第一基站向第二基站发送携带频带资源块标识的指 示信令, 该第一基站对该 UE进行调度, 该调度限于该频带资源块标识对 应的该频带资源块, 该第二基站针对该频带资源块执行减少干扰策略, 从 而有效的降低了位于基站边缘用户切换时的干扰, 提升了用户邻区切换的 性能和成功率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下 面将对实施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明的一些实施例, 对于 本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以 根据这些附图获得其他的附图。 图 1为本发明的一个实施例提供的一种资源调度的方法示意图; 图 2为本发明的另一个实施例提供的一种资源调度的方法示意图; 图 3为本发明的另一个实施例提供的一种资源调度的方法示意图; 图 4为本发明的另一个实施例提供的一种资源调度的方法示意图; 图 5为本发明的另一个实施例提供的一种基站的结构示意图; 图 6为本发明的另一个实施例提供的一种基站的结构示意图; 图 7为本发明的另一个实施例提供的一种基站的结构示意图; 图 8为本发明的另一个实施例提供的一种基站的结构示意图; 图 9为本发明的另一个实施例提供的一种基站的结构示意图; 图 10为本发明的另一个实施例提供的一种系统的示意图。
具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术 方案进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明 一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本 领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他 实施例, 都属于本发明保护的范围。 本发明的一个实施例提供一种资源调度的方法, 如图 1 所示, 该方 法包括:
5101、 第一基站向第二基站发送携带频带资源块标识的指示信令。 其中, 该指示信令用于指示该第二基站对该频带资源块标识对应的 频带资源块执行减少干扰策略; 该频带资源块用于传输该第一基站与用 户设备 (User Equipment, UE ) 之间的上行信息和 /或下行信息。
5102、 该第一基站对该 UE进行调度。
其中, 该调度限于该频带资源块标识对应的频带资源块。
例如, 若该第一基站为该 UE的源基站; 该第二基站为该 UE的目标 基站, 则第一基站在向该第二基站发送切换请求信令时, 开始对该 UE进 行调度, 并在该第一基站向该 UE发送切换信令后, 取消对该频带资源块 的调度限制。 又如, 若该第一基站为该 UE的目标基站, 该第二基站为该 UE的源 基站, 则该第一基站在接收到该 UE 发送的随机接入序列信令后, 对该 UE进行调度, 并在该第一基站接收到该 UE发送的切换完成信令后, 取 消对该频带资源块的调度限制。
S 103、 第二基站针对该频带资源块执行减少干扰策略。 其中, 该减少干扰策略具体包括: 不调度该频带资源块; 或者, 降 低该频带资源块的功率。
需要说明的是, 在满足针对该频带资源块减少干扰策略停止条件的 情况下, 该第二基站停止针对该频带资源块执行的减少干扰策略。
例如, 若该第一基站为该 UE的源基站; 该第二基站为该 UE的目标 基站, 则减少干扰策略停止条件包括: 该第二基站接收到该 UE发送的随 机接入序列信令; 或者, 第一定时器超时, 该第一定时器在该第二基站 向该第一基站发送切换请求响应信令时启动。
又如, 若该第一基站为该 UE的目标基站, 该第二基站为该 UE的源 基站, 则减少干扰策略停止条件包括以下任一项: 该第二基站接收到该 UE的上下文释放信令;
该第二基站完成该 UE的緩存数据的发送;
该第二基站完成译放该 UE的资源;
第二定时器超时, 该第二定时器在该第一基站向该 UE发送切换信 令后启动。
可选地,第一基站向第三基站发送携带频带资源块标识的指示信令, 第三基站在接收到该第一基站发送的携带频带资源块标识的指示信令 时, 开始对该频带资源块标识对应的频带资源块执行减少干扰策略, 上 述第一基站为该 UE的服务基站; 上述第三基站为该 UE的非服务基站, 这样, 在用户邻区切换时, 能够更好的减小邻区的干扰。
采用本发明实施例提供的方法, 有效的降低了非服务基站对服务基 站范围内用户的干扰, 提升了 UE与服务基站数据传输的性能。
本发明的另一个实施例提供一种资源调度的方法, 如图 2所示, 该 实施例是以第一基站为 UE的源基站, 第二基站为 UE的目标基站为例进 行说明的, 该方法包括:
5201、 第一基站接收 UE发送的测量报告, 并根据该测量报告确定 该 UE的目标基站。
5202、 第一基站向第二基站发送携带频带资源块标识的指示信令。 其中, 该指示信令用于指示该第二基站对该频带资源块标识对应的 频带资源块执行减少干扰策略; 该频带资源块用于传输该第一基站与 UE 之间的上行信息和 /或下行信息。
可选地, 该第一基站还可以向第三基站发送携带频带资源块标识的 指示信令, 该第三基站在接收到该第一基站发送的携带频带资源块标识 的指示信令时, 开始对该频带资源块标识对应的频带资源块执行减少干 扰策略, 并在该第三基站接收到该指示信令时启动的第三定时器超时时, 停止执行减少干扰策略, 以便更好的减少用户切换时邻区的干扰, 上述 第三基站为该 UE的非服务基站。
5203、 第一基站在向第二基站发送切换请求信令时, 开始对 UE进 行调度。
其中, 该调度限于该频带资源块标识对应的频带资源块。
5204、 第二基站向第一基站发送切换请求响应信令时, 开始针对该 频带资源块执行减少干扰策略。
其中, 减少干扰策略具体包括: 不调度该频带资源块; 或者, 降低 该频带资源块的功率。
5205、 第一基站向 UE发送切换信令。
5206、 在第一基站向 UE发送切换信令时, 开始向第二基站发送该 UE的緩存数据。
其中, 在第一基站向第二基站发送的最后一个数据包中携带有结束 标记帧, 当第二基站接收到携带有结束标记帧的数据包时, 则该 UE的緩 存数据发送完成。
5207、 在第一基站向 UE发送切换信令后, 取消对该频带资源块的 调度限制。
5208、 UE向第二基站发送随机接入序列信令。 需要说明的是, 在满足针对该频带资源块减少干扰策略停止条件的 情况下, 该第二基站停止针对该频带资源块执行的减少干扰策略。
该减少干扰策略停止条件包括: 该第二基站接收到该 UE发送的随 机接入序列信令; 或者, 第一定时器超时, 该第一定时器在该第二基站 向该第一基站发送切换请求响应信令时启动。
5209、 第二基站向 UE发送随机接入响应信令。
5210、 UE向第二基站发送切换完成信令。
5211、 第二基站向第一基站发送 UE的上下文释放信令。
S212、 第一基站释放该 UE的资源。 接至 UE与第一基站断开连接的过程中, 有效的降低了位于基站边缘 UE 在邻区切换中与第一基站保持连接至 UE 与第一基站断开连接的过程的 干扰, 提升了用户邻区切换的性能和成功率。
本发明的另一个实施例提供一种资源调度的方法, 如图 3所示, 该 实施例是以第一基站为 UE的目标基站, 第二基站为 UE的源基站为例进 行说明的, 该方法包括:
5301、 第二基站接收 UE发送的测量报告, 并根据该测量报告确定 该 UE的目标基站。
5302、 第一基站向第二基站发送携带频带资源块标识的指示信令。 其中, 该指示信令用于指示该第二基站对该频带资源块标识对应的 频带资源块执行减少干扰策略; 该频带资源块用于传输该第一基站与用 户设备 UE之间的上行信息和 /或下行信息。 可选地, 该第一基站还可以向第三基站发送携带频带资源块标识的 指示信令, 该第三基站在接收到该第一基站发送的携带频带资源块标识 的指示信令时, 开始对该频带资源块标识对应的频带资源块执行减少干 扰策略, 并在该第三基站接收到该指示信令时启动的第三定时器超时时, 停止执行减少干扰策略, 以便更好的减少用户切换时邻区的干扰, 上述 第三基站为该 UE的非服务基站。 5303、 第二基站向第一基站发送切换请求信令。
5304、 第一基站向第二基站发送切换请求响应信令。
5305、 第二基站向 UE发送切换信令。
5306、 第二基站在向 UE发送切换信令时, 开始向第一基站发送该 UE的緩存数据。
其中, 在第二基站向第一基站发送的最后一个数据包中携带有结束 标记帧, 当第一基站接收到携带有结束标记帧的数据包时, 则该 UE的緩 存数据发送完成。
5307、 第二基站在向 UE发送切换信令后, 针对该频带资源块执行 减少干扰策略。
其中, 减少干扰策略具体包括: 不调度该频带资源块; 或者, 降低 该频带资源块的功率。
5308、 UE向第一基站发送随机接入序列信令。
5309、 第一基站在接收到该 UE发送的随机接入序列信令后, 对该 UE进行调度。 其中, 该调度限于该频带资源块标识对应的该频带资源块。
5310、 第一基站向 UE发送随机接入响应信令。
5311、 UE向第一基站发送切换完成信令, 以便第一基站取消对该频 带资源块的调度限制。
5312、 第一基站向第二基站发送 UE的上下文释放信令。 S313、 第二基站译放该 UE的资源。 需要说明的是, 在满足针对该频带资源块减少干扰策略停止条件的 情况下, 该第二基站停止针对该频带资源块执行的减少干扰策略。
该减少干扰策略停止条件包括以下任一项:
该第二基站接收到该 UE的上下文译放信令;
该第二基站完成该 UE的緩存数据的发送(即第二基站发送携带有结 束标记帧的緩存数据包) ;
该第二基站完成译放该 UE的资源; 第二定时器超时, 该第二定时器在该第二基站向该 UE发送切换信 令后启动。 立连接的过程中,有效的降低了位于基站边缘 UE在邻区切换中与第一基 站开始建立连接的过程的干扰, 提升了用户邻区切换的性能和成功率。 本发明的另一个实施例提供另一种资源调度的方法, 如图 4所示, 该实施例是将图 2与图 3所述的实施例相结合, 该实施例以第一基站为 UE的源基站, 第二基站为 UE的目标基站为例进行说明的, 该方法包括:
5401、 第一基站接收 UE发送的测量报告, 并根据该测量报告确定 该 UE的目标基站。
5402、 第一基站向第二基站发送携带第一基站使用的频带资源块标 识的指示信令。
其中, 该指示信令用于指示该第二基站对该频带资源块标识对应的 频带资源块执行减少干扰策略; 该频带资源块用于传输该第一基站与 UE 之间的上行信息和 /或下行信息。
可选地, 该第一基站还可以向第三基站发送携带第一基站使用的频 带资源块标识的指示信令, 该第三基站在接收到该第一基站发送的携带 频带资源块标识的指示信令时, 开始对该频带资源块标识对应的频带资 源块执行减少干扰策略, 并在该第三基站接收到该指示信令时启动的第 三定时器超时时, 停止执行减少干扰策略, 以便更好的减少用户切换时 邻区的干扰, 上述第三基站为该 UE的非服务基站。
5403、 第一基站在向第二基站发送切换请求信令时, 开始对 UE进 行调度。
其中, 该调度限于该第一基站使用的频带资源块标识对应的频带资 源块。
5404、 第二基站向第一基站发送携带第二基站使用的频带资源块标 识的指示信令。
该指示信令用于指示该第一基站对该频带资源块标识对应的频带资 源块执行减少干扰策略; 该频带资源块用于传输该第二基站与用户设备 UE之间的上行信息和 /或下行信息。 可选地, 该第二基站还可以向第三基站发送携带第二基站使用的频 带资源块标识的指示信令, 该第三基站在接收到该第二基站发送的携带 频带资源块标识的指示信令时, 开始对该频带资源块标识对应的频带资 源块执行减少干扰策略, 并在该第三基站接收到该指示信令时启动的第 三定时器超时时, 停止执行减少干扰策略, 以便更好的减少用户切换时 邻区的干扰, 上述第三基站为该 UE的非服务基站。
5405、 第二基站向第一基站发送切换请求响应信令时, 开始针对第 一基站使用的频带资源块执行减少干扰策略。
其中, 减少干扰策略具体包括: 不调度该频带资源块; 或者, 降低 该频带资源块的功率。
5406、 第一基站向 UE发送切换信令。
5407、 在第一基站向 UE发送切换信令时, 开始向第二基站发送该 UE的緩存数据。 其中, 在第一基站向第二基站发送的最后一个数据包中携带有结束 标记帧, 当第二基站接收到携带有结束标记帧的数据包时, 则该 UE的緩 存数据发送完成。
5408、 第一基站在向 UE发送切换信令后, 取消对第一基站使用的 频带资源块的调度限制, 并针对第二基站使用的频带资源块执行减少干 扰策略。
其中, 减少干扰策略具体包括: 不调度该频带资源块; 或者, 降低 该频带资源块的功率。
5409、 UE向第二基站发送随机接入序列信令。 需要说明的是, 在满足针对第一基站使用的频带资源块减少干扰策 略停止条件的情况下, 该第二基站停止针对第一基站使用的频带资源块 执行的减少干扰策略。 该减少干扰策略停止条件包括: 该第二基站接收到该 UE发送的随 机接入序列信令; 或者, 第一定时器超时, 该第一定时器在该第二基站 向该第一基站发送切换请求响应信令时启动。
5410、 第二基站在接收到该 UE发送的随机接入序列信令后, 对该 UE进行调度。 其中, 该调度限于该第二基站使用的频带资源块标识对应的频带资 源块。
5411、 第二基站向 UE发送随机接入响应信令。
5412、 UE向第二基站发送切换完成信令。
5413、在该第二基站接收到该 UE发送的切换完成信令后,取消对该 第二基站使用的频带资源块的调度限制。
5414、 第二基站向第一基站发送 UE的上下文释放信令。 S415、 第一基站释放该 UE的资源。
需要说明的是, 在满足针对第二基站使用的频带资源块减少干扰策 略停止条件的情况下, 该第一基站停止针对该第二基站使用的频带资源 块执行的减少干扰策略。
该减少干扰策略停止条件包括以下任一项:
该第一基站接收到该 UE的上下文译放信令;
该第一基站完成该 UE的緩存数据的发送(即第一基站发送携带有结 束标记帧的緩存数据包) ;
该第一基站完成译放该 UE的资源;
第二定时器超时, 该第二定时器在该第一基站向该 UE发送切换信 令后启动。
本发明实施例提供的方法应用在邻区切换的过程中, 第一基站对该 UE进行调度, 则第二基站对第一基站使用的频带资源块执行减少干扰策 略, 第二基站对该 UE进行调度, 则第一基站对第二基站使用的频带资源 块执行减少干扰策略, 这样, 有效的降低了位于基站边缘 UE在邻区切换 时的干扰, 提升了用户邻区切换的性能和成功率。
需要说明的是, 对于上述的各方法实施例, 为了简单描述, 故将其 都表述为一系列的动作组合, 但是本领域技术人员应该知悉, 本发明并 不受所描述的动作顺序的限制, 某些步骤可以采用其他顺序或者同时进 行。 其次, 本领域技术人员也应该知悉, 说明书中所描述的实施例均属 于优选实施例, 所涉及的动作和模块并不一定是本发明所必须的。 本发明的另一个实施例提供一种基站 500, 如图 5 所示, 包括第一 发送单元 501和第一处理单元 502。第一发送单元 501用于向第二基站发 送携带频带资源块标识的指示信令, 以使得该第二基站在接收到该第一 发送单元 501 发送的切换请求响应信令时, 开始针对该频带资源块标识 对应的频带资源块执行减少干扰策略。 其中, 该指示信令用于指示该第 二基站对该频带资源块标识对应的频带资源块执行减少干扰策略; 该频 带资源块用于传输该基站与 UE之间的上行信息和 /或下行信息。 可选地, 上述执行减少干扰策略具体包括: 不调度该频带资源块; 或者, 降低该 频带资源块的功率。 第一处理单元 502用于对该 UE进行调度, 该调度限 于该频带资源块标识对应的该频带资源块。
可选地, 该第一发送单元 501还用于向该第二基站发送切换请求信 令; 则该第一处理单元 502具体用于在该第一发送单元 501 向该第二基 站发送切换请求信令时, 开始对该 UE进行调度。
可选地, 该第一发送单元 501还用于向该 UE发送切换信令; 则该 第一处理单元 502具体用于在该第一基站向该 UE发送切换信令后,取消 对该频带资源块的调度限制。
例如, 在满足针对该频带资源块减少干扰策略停止条件的情况下, 该第二基站停止针对该频带资源块执行的减少干扰策略。 其中, 上述减 少干扰策略停止条件可以为:该第二基站接收到该 UE发送的随机接入序 列信令, 另外, 考虑到在实际应用中, UE向第二基站发送的随机接入序 列信令可能会发生延迟, 导致第二基站长时间无法接收到该随机接入序 列信令, 因此, 如图 6所示, 该基站还包括: 第一定时器 503 , 用于在该 第一发送单元 501向该 UE发送切换信令后启动, 则该第一处理单元 502 具体用于在该第一定时器 503超时时, 取消对该频带资源块的调度限制, 从而保证第二基站能够及时停止执行减少干扰策略, 防止由于第二基站 长时间执行减少干扰策略而影响后续数据传输的质量。 可选地, 该第一
可选地, 该基站的第一发送单元 501还用于向第三基站发送携带频 带资源块标识指示信令, 以使得该第三基站开始对该频带资源块标识对 应的频带资源块执行减少干扰策略, 该第三基站为该 UE的非服务基站, 这样, 在用户邻区切换时, 能够更好的减小邻区的干扰。 采用上述实施例提供的基站, 基站对该 UE 进行调度, 则第二基站 对该基站使用的频带资源块执行减少干扰策略, 这样, 有效的降低了位 于基站边缘 UE在邻区切换时的干扰,提升了用户邻区切换的性能和成功 率。
本发明的另一个实施例提供一种基站 700, 如图 7 所示, 包括第二 发送单元 701和第二处理单元 702。第二发送单元 701用于向第一基站发 送携带频带资源块标识的指示信令,以使得该第一基站向 UE发送切换信 令后, 针对该频带资源块标识对应的频带资源块执行减少干扰策略。 其 中, 该指示信令用于指示该第一基站对该频带资源块标识对应的频带资 源块执行减少干扰策略;该频带资源块用于传输该基站与 U E之间的上行 信息和 /或下行信息。 可选地, 上述执行减少干扰策略具体包括: 不调度 该频带资源块; 或者, 降低该频带资源块的功率。 第二处理单元 702 用 于对该 UE 进行调度, 该调度限于该频带资源块标识对应的该频带资源 块。
可选地, 如图 8所示, 该基站 700还包括: 第二接收单元 703 , 用 于接收该 UE发送的切换完成信令;则该第二处理单元 702还用于在该第 二接收单元接收到该 U E发送的切换完成信令后,取消对该频带资源块的 调度限制。
可选地, 第二发送单元 701还用于向该第一基站发送切换请求响应 信令;
例如, 在满足针对该频带资源块减少干扰策略停止条件的情况下, 该第一基站停止针对该频带资源块执行的减少干扰策略。 其中, 上述减 少干扰策略停止条件可以包括以下任一项:该第一基站接收到该 UE的上 下文释放信令; 该第一基站完成该 UE的緩存数据的发送; 和该第一基站 完成译放该 UE的资源。 可选地, 考虑到在实际应用中, 第一基站与基站之间传输的信令或 者数据可能会发生延迟, 因此, 如图 9所示, 该基站 700还包括: 第二 定时器 704 ,用于在该第二发送单元向该第一基站发送切换请求响应信令 时启动, 则该第二处理单元 702具体用于在该第二定时器 704超时时, 取消对该频带资源块的调度限制并在超时后停止, 从而保证第一基站能 够及时停止执行减少干扰策略, 防止由于第一基站长时间执行减少干扰 策略而影响后续数据传输的质量。 可选地, 该第二定时器超时也可作为 上述减少干扰策略停止条件之一。
可选地, 该第二发送单元 701还用于向第三基站发送携带频带资源 块标识的指示信令, 以使得该第三基站开始对该频带资源块标识对应的 频带资源块执行减少干扰策略,该第三基站为该 UE的非服务基站,这样, 在用户邻区切换时, 能够更好的减小邻区的干扰。 采用上述实施例提供的基站, 基站对该 UE 进行调度, 则第一基站 对该基站使用的频带资源块执行减少干扰策略, 这样, 有效的降低了位 于基站边缘 UE在邻区切换时的干扰,提升了用户邻区切换的性能和成功 率。
所属本领域的技术人员可以清楚地了解到, 为描述的方便和简洁, 上述描述的基站的具体工作过程, 可以参考前述方法实施例中的过程, 在此不再赘述。 本发明的另一个实施例提供一种系统, 如图 10所示, 包括: 上述实 施例提供的基站 500 , 和 /或, 上述基站 700。
可选的, 该系统可以为 LTE 系统、 全球 波互联接入 ( Worldwide Interoperability for Microwave Access , WiMAX ) 系统或者通用移动通信 ( Universal Mobile Telecommunications System, UTMS ) 系统, 或者其他 此类通信系统, 本发明对此不作限定。
需要说明的是上述基站 500和基站 700应用于上述资源调度的方法, 且该设备中的各个单元也与该方法中的各步骤对应。
本发明实施例提供的系统, 能够有效的降低非服务基站对服务基站 内用户的干扰, 提升了 UE与服务基站数据传输的性能。 所述功能如果以软件功能单元的形式实现并作为独立的产品销售或 使用时, 可以存储在一个计算机可读取存储介质中。 基于这样的理解, 本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术 方案的部分可以以软件产品的形式体现出来, 该计算机软件产品存储在 一个存储介质中, 包括若干指令用以使得一台计算机设备 (可以是个人 计算机, 服务器, 或者网络设备等) 执行本发明各个实施例所述方法的 全部或部分步骤。 而前述的存储介质包括: U 盘、 移动硬盘、 只读存储 器 ( Read-Only Memory , ROM ) 、 随机存取存储器 (Random Access Memory , RAM ) 、 磁碟或者光盘等各种可以存储程序代码的介质。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局 限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可 轻易想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明 的保护范围应以所述权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种资源调度的方法, 其特征在于, 包括:
第一基站向第二基站发送携带频带资源块标识的指示信令, 其中, 所述指示信令用于指示所述第二基站对所述频带资源块标识对应的频带 资源块执行减少干扰策略; 所述频带资源块用于传输所述第一基站与用 户设备 UE之间的上行信息和 /或下行信息;
所述第一基站对所述 UE进行调度,所述调度限于所述频带资源块标 识对应的所述频带资源块;
所述第二基站针对所述频带资源块执行减少干扰策略。
2、 根据权利要求 1所述的方法, 其特征在于, 所述第一基站对所述 UE进行调度包括:
所述第一基站在向所述第二基站发送切换请求信令时, 开始对所述 UE进行调度;
所述第二基站针对所述频带资源块执行减少干扰策略包括: 所述第二基站在向所述第一基站发送切换请求响应信令时, 开始针 对所述频带资源块执行减少干扰策略。
3、 根据权利要求 2所述的方法, 其特征在于, 在所述第一基站向所 述 UE发送切换信令后, 取消对所述频带资源块的调度限制。
4、 根据权利要求 2或 3所述的方法, 其特征在于, 在满足针对所述 频带资源块减少干扰策略停止条件的情况下, 所述第二基站停止针对所 述频带资源块执行的减少干扰策略。
5、 根据权利要求 4所述的方法, 其特征在于, 所述减少干扰策略停 止条件包括: 所述第二基站接收到所述 UE发送的随机接入序列信令; 或 者, 第一定时器超时, 所述第一定时器在所述第二基站向所述第一基站 发送切换请求响应信令时启动。
6、 根据权利要求 1至 5任一项所述的方法, 其特征在于, 所述第一 基站为所述 UE的源基站; 所述第二基站为所述 UE的目标基站。
7、 根据权利要求 1所述的方法, 其特征在于, 所述第一基站对所述 UE进行调度包括:
所述第一基站在接收到所述 UE发送的随机接入序列信令后,对所述 UE进行调度;
所述第二基站针对所述频带资源块执行减少干扰策略包括: 所述第二基站向所述 UE发送切换信令后,针对所述频带资源块执行 减少干扰策略。
8、 根据权利要求 7所述的方法, 其特征在于, 在所述第一基站接收 到所述 U E发送的切换完成信令后, 取消对所述频带资源块的调度限制。
9、 根据权利要求 7或 8所述的方法, 其特征在于, 在满足针对所述 频带资源块减少干扰策略停止条件的情况下, 所述第二基站停止针对所 述频带资源块执行的减少干扰策略。
10、 根据权利要求 9 所述的方法, 其特征在于, 所述减少干扰策略 停止条件包括以下任一项:
所述第二基站接收到所述 UE的上下文释放信令;
所述第二基站完成所述 U E的緩存数据的发送;
所述第二基站完成释放所述 UE的资源;
第二定时器超时, 所述第二定时器在所述第一基站向所述 UE 发送 切换信令后启动。
11、 根据权利要求 1或 7至 10任一项所述的方法, 其特征在于, 所 述第一基站为所述 UE的目标基站; 所述第二基站为所述 UE的源基站。
12、根据权利要求 1至 11任一项所述的方法, 其特征在于,还包括: 第三基站在接收到所述第一基站发送的携带频带资源块标识的指示 信令时, 开始对所述频带资源块标识对应的频带资源块执行减少干扰策 略。
13、 根据权利要求 12所述的方法, 其特征在于, 所述第三基站停止 执行减少干扰策略条件包括:
第三定时器超时, 所述第三定时器在所述第三基站接收到所述指示 信令时启动。
14、 根据权利要求 12或 13所述的方法, 其特征在于, 所述第一基 站为所述 UE的服务基站; 所述第三基站为所述 UE的非服务基站。
15、 根据权利要求 1至 14任一权利要求所述的方法, 其特征在于, 所述减少干扰策略包括:
不调度所述频带资源块; 或者,
降低所述频带资源块的功率。
16、 一种基站, 其特征在于, 包括:
第一发送单元, 用于向第二基站发送携带频带资源块标识的指示信 令, 以使得所述第二基站在接收到所述第一发送单元发送的切换请求响 应信令时, 开始针对所述频带资源块标识对应的频带资源块执行减少干 扰策略; 其中, 所述指示信令用于指示所述第二基站对所述频带资源块 标识对应的频带资源块执行减少干扰策略; 所述频带资源块用于传输所 述基站与 UE之间的上行信息和 /或下行信息; 及,
第一处理单元, 用于对所述 UE 进行调度, 所述调度限于所述频带 资源块标识对应的所述频带资源块。
17、 根据权利要求 16所述的基站, 其特征在于, 所述第一发送单元 还用于向所述第二基站发送切换请求信令; 第一处理单元具体用于在所 述第一发送单元向所述第二基站发送切换请求信令时,开始对所述 UE进 行调度。
18、 根据权利要求 16或 17所述的基站, 其特征在于, 所述第一发 送单元还用于向所述 UE发送切换信令;所述第一处理单元具体用于在所 述第一基站向所述 UE发送切换信令后,取消对所述频带资源块的调度限 制。
19、 根据权利要求 18所述的基站, 其特征在于, 所述基站还包括: 第一定时器, 用于在所述第一发送单元向所述 UE发送切换信令后 启动; 所述第一处理单元具体用于在所述第一定时器超时时, 取消对所 述频带资源块的调度限制。
20、 根据权利要求 16至 19任一项所述的基站, 其特征在于, 所述 第一发送单元还用于向第三基站发送携带频带资源块标识指示信令, 以 使得所述第三基站开始对所述频带资源块标识对应的频带资源块执行减 少干扰策略, 所述第三基站为所述 UE的非服务基站。
21、 一种基站, 其特征在于, 包括:
第二发送单元, 用于向第一基站发送携带频带资源块标识的指示信 令, 以使得所述第一基站向 UE发送切换信令后, 针对所述频带资源块标 识对应的频带资源块执行减少干扰策略, 其中, 所述指示信令用于指示 所述第一基站对所述频带资源块标识对应的频带资源块执行减少干扰策 略; 所述频带资源块用于传输所述基站与 UE之间的上行信息和 /或下行 信息; 及,
第二处理单元, 用于对所述 UE 进行调度, 所述调度限于所述频带 资源块标识对应的所述频带资源块。
22、 根据权利要求 21所述的基站, 其特征在于, 所述基站还包括: 第二接收单元, 用于接收所述 UE发送的切换完成信令; 所述第二处理单 元还用于在所述第二接收单元接收到所述 UE发送的切换完成信令后,取 消对所述频带资源块的调度限制。
23、 根据权利要求 22所述的基站, 其特征在于, 所述第二发送单元 还用于向所述第一基站发送切换请求响应信令; 所述基站还包括:
第二定时器, 用于在所述第二发送单元向所述第一基站发送切换请 求响应信令时启动; 所述第二处理单元具体用于在所述第二定时器超时 时, 取消对所述频带资源块的调度限制。
24、 根据权利要求 21至 23任一项所述的基站, 其特征在于, 所述 第二发送单元还用于向第三基站发送携带频带资源块标识的指示信令, 以使得所述第三基站开始对所述频带资源块标识对应的频带资源块执行 减少干扰策略, 所述第三基站为所述 UE的非服务基站。
25、 一种系统, 其特征在于, 包括:
权利要求 16至 20中任一项所述的基站; 和 /或,
权利要求 21至 24中任一项所述的基站。
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