WO2013143056A1 - 一种解决异构网络中上行干扰的方法及装置 - Google Patents

一种解决异构网络中上行干扰的方法及装置 Download PDF

Info

Publication number
WO2013143056A1
WO2013143056A1 PCT/CN2012/073046 CN2012073046W WO2013143056A1 WO 2013143056 A1 WO2013143056 A1 WO 2013143056A1 CN 2012073046 W CN2012073046 W CN 2012073046W WO 2013143056 A1 WO2013143056 A1 WO 2013143056A1
Authority
WO
WIPO (PCT)
Prior art keywords
uplink
base station
subframe
interference
uplink interference
Prior art date
Application number
PCT/CN2012/073046
Other languages
English (en)
French (fr)
Inventor
李兆俊
吴联海
汪巍崴
常宁娟
Original Assignee
富士通株式会社
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 富士通株式会社 filed Critical 富士通株式会社
Priority to KR1020147026345A priority Critical patent/KR20140134679A/ko
Priority to PCT/CN2012/073046 priority patent/WO2013143056A1/zh
Priority to EP12873408.4A priority patent/EP2833664A4/en
Priority to CN201280069991.8A priority patent/CN104115519A/zh
Priority to JP2015502036A priority patent/JP2015511798A/ja
Publication of WO2013143056A1 publication Critical patent/WO2013143056A1/zh
Priority to US14/480,191 priority patent/US20140376398A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for solving uplink interference in a heterogeneous network. Background technique
  • FIG 1 shows the Pico base station deployment in the prior art.
  • the Pico is deployed in the macro base station (Macro) coverage.
  • the signal strength of the Pico base station may be weaker than that of the Macro base station. Therefore, the terminal in the Pico cell is located.
  • the downlink communication of the device (PUE) is interfered by the terminal device (MUE) in the Macro cell.
  • the macro base station transmits an Almost Blank Subframe (ABS) to the micro base station to solve the interference of the downlink communication.
  • ABS Almost Blank Subframe
  • the problem is that the terminal device of the Macro cell performs powerless downlink transmission (or reduces power transmission downlink transmission) in the ABS subframe, and the terminal device of the Macro cell performs downlink transmission at full power in the non-ABS subframe; so that these Pico base stations can be interfered
  • the PUE scheduling performs downlink transmission on these almost empty subframes, thereby ensuring the channel quality of the downlink reception.
  • the uplink data transmission of the macro cell terminal equipment (MUE) adjacent to the Pico base station edge may cause strong interference to the PUE uplink reception in the Pico cell.
  • MUE macro cell terminal equipment
  • the embodiments of the present invention provide a method and a device for solving uplink interference in a heterogeneous network, which are used to solve the problem that the terminal device of the macro cell in the prior art interferes with the uplink communication of the terminal device at the edge of the micro cell when it is uplinked.
  • the embodiment of the invention provides a method for solving uplink interference in a heterogeneous network, and the method includes:
  • the uplink device that is subject to uplink interference is scheduled to perform uplink communication on the uplink almost null subframe.
  • the embodiment of the present invention further provides a method for solving uplink interference in a heterogeneous network, where the method includes: receiving an uplink interference notification sent by a micro base station;
  • An uplink almost empty subframe is transmitted to the micro base station.
  • the embodiment of the present invention further provides a micro base station for solving uplink interference in a heterogeneous network, where the micro base station includes: a monitoring unit, configured to monitor an uplink channel quality of the terminal device;
  • An acquiring unit configured to acquire an uplink almost blank subframe when uplink interference occurs, and a macro in the uplink almost blank subframe
  • the terminal device of the cell reduces the transmission power or transmits without power
  • the embodiment of the present invention further provides a macro base station for solving uplink interference in a heterogeneous network, where the macro base station includes: a receiving unit, configured to receive an uplink interference notification sent by the micro base station;
  • a sending unit configured to send an uplink almost blank subframe to the micro base station.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a micro base station, the program causes the computer to perform the above method for solving uplink interference in the heterogeneous network in the micro base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to perform the above method for solving uplink interference in a heterogeneous network in the micro base station.
  • Embodiments of the present invention also provide a computer readable program, wherein when the program is executed in a macro base station, the program causes a computer to perform the above-described method of resolving uplink interference in a heterogeneous network in the macro base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to perform the above method for solving uplink interference in a heterogeneous network in a macro base station.
  • the effect of the embodiment of the present invention is that the uplink data transmission of the terminal device of the macro cell interferes with the uplink reception of the terminal device in the micro cell, and the uplink channel quality of the terminal device in the micro cell is ensured.
  • FIG. 1 is a schematic diagram of deployment of a Pico base station in the prior art
  • FIG. 2 is a flowchart of a method for solving uplink interference in a heterogeneous network according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a method for solving uplink interference in a heterogeneous network according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic structural diagram of a micro base station for solving uplink interference in a heterogeneous network according to Embodiment 3 of the present invention
  • FIG. 5 is a schematic structural diagram of a macro base station for solving uplink interference in a heterogeneous network according to Embodiment 4 of the present invention
  • FIG. 6 is a flowchart of a method for solving uplink interference in the scenario of FIG. 1 according to Embodiment 5 of the present invention
  • FIG. 7 is a diagram showing a deployment relationship between a macro base station and a micro base station according to Embodiment 6 of the present invention.
  • FIG. 8 is a flowchart of a method for solving uplink interference in the scenario of FIG. 7 according to Embodiment 6 of the present invention.
  • FIG. 9 is a flowchart of a method for solving uplink interference according to Embodiment 7 of the present invention.
  • FIG. 10 is a schematic diagram showing an uplink almost null subframe according to an embodiment of the present invention. detailed description
  • FIG. 2 is a flowchart of a method for solving uplink interference in a heterogeneous network according to an embodiment of the present invention.
  • the method includes the step 201 of monitoring the uplink channel quality of the terminal device.
  • Step 202 When uplink interference occurs, obtain an uplink almost null subframe, where the macro cell terminal device reduces transmission power or no power transmission in the uplink almost null subframe.
  • Step 203 Schedule, by the uplink device, the uplink device that performs uplink interference on the uplink almost empty subframe.
  • the macro base station that causes uplink interference to the micro cell terminal device is notified, wherein all macro base stations that cause uplink interference may be notified, for example, two or more Acer bases may be simultaneously notified.
  • the station micro-cell terminal device receives the uplink interference, and can send the notification by using an existing load indication (Load Indication) message.
  • Load Indication existing load indication
  • the macro base station may be required to allocate an uplink almost blank subframe while transmitting the notification.
  • the method further includes: receiving an uplink almost blank subframe allocated by the macro base station.
  • the corresponding idle uplink subframe is calculated according to the downlink almost empty subframe allocated by the macro base station, and the idle uplink subframe is used as the uplink almost blank subframe.
  • the step 203 further includes: configuring, by the terminal device that is subjected to uplink interference, to send a Sounding Reference Signal (SRS) in the uplink almost blank subframe, to obtain the uplink device that is subjected to uplink interference on the uplink.
  • SRS Sounding Reference Signal
  • the channel quality of the null subframe according to the channel quality, the terminal equipment that is subject to the uplink interference performs uplink communication in the corresponding resource of the uplink almost null subframe.
  • the uplink interference of the macro base station to the micro cell terminal device can be reduced, and the uplink channel quality of the terminal device can be guaranteed.
  • Embodiment 2
  • FIG. 3 is a flowchart of a method for solving uplink interference in a heterogeneous network according to an embodiment of the present invention.
  • the method includes the step 301 of receiving an uplink interference notification sent by the micro base station.
  • Step 302 Send an uplink almost blank subframe to the micro base station.
  • the uplink micro-subframe can be configured to the configuration micro-base station to reduce the uplink interference of the macro-base station to the terminal device of the micro-area, and ensure the uplink channel quality of the terminal device in the micro-area.
  • FIG. 4 is a schematic structural diagram of a micro base station for solving uplink interference in a heterogeneous network according to an embodiment of the present invention.
  • the micro base station includes a monitoring unit 401, configured to monitor an uplink channel quality of the terminal device.
  • the obtaining unit 402 is configured to obtain an uplink almost blank subframe when uplink interference occurs, where the terminal device of the macro cell reduces transmission power or no power transmission in the uplink almost blank subframe.
  • the scheduling unit 403 is configured to schedule uplink communications by the uplink device on the uplink almost empty subframe for uplink communication.
  • the notification unit 404 is further configured to notify the macro base station that causes uplink interference to the terminal device of the micro cell when uplink interference occurs.
  • the macro base station for causing uplink interference can be notified, for example, two or more macro base stations can be notified at the same time that the micro base station receives uplink interference, and the notification can be sent by using an existing load indication message.
  • the notification unit 404 may also request the macro base station to allocate an uplink almost null subframe while transmitting the notification.
  • the obtaining unit 402 further includes a receiving module 4021, configured to receive an uplink almost empty subframe allocated by the macro base station.
  • the obtaining unit 402 further includes a calculating module 4022, configured to calculate a corresponding idle uplink subframe according to the downlink almost empty subframe allocated by the macro base station, and use the idle uplink subframe as an uplink almost blank subframe.
  • a calculating module 4022 configured to calculate a corresponding idle uplink subframe according to the downlink almost empty subframe allocated by the macro base station, and use the idle uplink subframe as an uplink almost blank subframe.
  • the micro base station further includes a detecting unit 405, configured to configure, by the terminal device that is subjected to uplink interference, to send a Sounding Reference Signal (SRS) in the uplink almost null subframe, to obtain the terminal device that is subjected to uplink interference.
  • a detecting unit 405 configured to configure, by the terminal device that is subjected to uplink interference, to send a Sounding Reference Signal (SRS) in the uplink almost null subframe, to obtain the terminal device that is subjected to uplink interference.
  • SRS Sounding Reference Signal
  • the uplink interference of the macro base station to the micro cell terminal device can be reduced, and the uplink channel quality of the terminal device can be guaranteed.
  • FIG. 5 is a schematic structural diagram of a macro base station for solving uplink interference in a heterogeneous network according to an embodiment of the present invention.
  • the macro base station includes a receiving unit 501, configured to receive an uplink interference notification sent by the micro base station.
  • the sending unit 502 is configured to send an uplink almost blank subframe to the micro base station.
  • the uplink micro-subframe can be configured to the configuration micro-base station to reduce the uplink interference of the macro-base station to the terminal device of the micro-area, and ensure the uplink channel quality of the terminal device in the micro-area.
  • FIG. 6 is a flow chart of a method for solving uplink interference in the scenario of FIG. 1.
  • the monitoring unit of the micro base station monitors the uplink channel quality of the PUE.
  • Step 602 When monitoring, uplink receiving of the PUE is interfered by uplink data of the MUE in the macro cell, for example:
  • the SRS sent by the UE may calculate a signal dry ratio (SINR), and if the value is below a certain threshold, the interference may be considered serious.
  • SINR signal dry ratio
  • the notification unit of the micro base station can notify the macro base station by using a load indication message, for example, the device terminal of the micro base station is subjected to strong uplink interference; or, when transmitting the uplink interference notification to the macro base station, the macro base station can also be sent to request the macro base station to send Uplink almost empty sub-frames.
  • Step 603 After the receiving unit of the macro base station receives the notification that the PUE of the micro base station is subjected to strong uplink interference, the macro base station may proceed to step 604, or the macro base station may proceed to step 605 for processing.
  • Step 604 The macro base station performs, for example, uplink power control to reduce the power of the uplink transmission of the MUE, so that strong uplink interference to the PUE can be avoided.
  • Step 605 The transmitting unit of the macro base station sends an uplink almost blank subframe to the micro base station, where the terminal device of the macro cell reduces transmission power or no power transmission in the uplink almost blank subframe.
  • the uplink almost blank subframe that is sent may be a mode for configuring a subframe, that is, in the form of 0, 1, indicating which subframes in the radio frame are uplink almost blank subframes, as shown in FIG. 10, which is an uplink almost null subframe according to an embodiment of the present invention.
  • the period is ⁇ sub-frame
  • 0 means that the sub-frame is a normal sub-frame
  • 1 represents an uplink almost empty sub-frame.
  • the macro base station may also reject the request of the micro base station to request an uplink almost blank subframe in this step.
  • Step 606 The receiving module of the micro base station receives the uplink almost blank subframe configured by the macro base station, and the detecting unit of the micro base station configures the terminal device that is subjected to the uplink strong interference to send the channel sounding reference signal on the uplink almost null subframe to obtain the uplink strong interference.
  • the channel quality of the terminal device in the uplink almost null subframe is the channel quality of the terminal device in the uplink almost null subframe.
  • Step 607 The scheduling unit of the micro base station performs uplink communication on the corresponding resource of the uplink almost blank subframe according to the channel quality scheduling, for example, according to the SRS, the Pico can obtain the resources of the UE in different frequency domains, that is, The channel quality on the Physical Radio Block (PRB), Pico selects a better PRB for the UE to send uplink data within the available PRB range.
  • PRB Physical Radio Block
  • FIG. 7 is a diagram showing a deployment relationship between a macro base station and a micro base station according to an embodiment of the present invention.
  • the uplink reception of the terminal equipment (PUE) at the edge of the micro base station is interfered by the uplink data of the terminal devices (MUE1 and MUE2) in the two macro cells. In other embodiments, it may also be interfered by uplink data of terminal equipment in more macro cells.
  • FIG. 8 is a flow chart showing a method for solving uplink interference in the scenario of FIG.
  • the monitoring unit of the micro base station monitors the uplink channel quality of the PUE.
  • Step 802 When it is detected that the uplink reception of the PUE is interfered by the uplink data of the MUE1 in the macro cell 1 and the MUE2 in the macro cell 2, the notification unit of the micro base station may separately notify the macro base station 1 and the Acer base by using a Load Indication message, respectively.
  • the station 2, the device terminal of the micro base station is subjected to strong uplink interference; or, when transmitting the uplink interference notification to the macro base station 1 and the macro base station 2, the macro base station may be required to send the uplink almost blank subframe.
  • Step 803 After the receiving units of the macro base station 1 and the macro base station 2 respectively receive the notification that the PUE of the micro base station is subjected to uplink strong interference, the macro base station 1 and the macro base station 2 may proceed to step 804, or the macro base station 1 and the macro base station 2 It is also possible to proceed to step 805 for processing.
  • the macro base station 1 and the macro base station 2 can perform, for example, uplink power control to reduce the power of the uplink transmission of the MUE, so that strong uplink interference to the PUE can be avoided.
  • Step 805 The transmitting units of the macro base station 1 and the macro base station 2 respectively send uplink almost blank subframes to the micro base station, and the terminal devices of the macro cell 1 and the macro base station 2 reduce the transmission power or no power in the uplink almost blank subframes they transmit. send.
  • the uplink almost null subframe may be a mode for configuring a subframe, that is, in the form of 0, 1, indicating which subframes in the radio frame are uplink almost blank subframes, for example, using 1 to represent an uplink almost blank subframe.
  • the macro base station 1 and the macro base station 2 may also reject the request of the micro base station to request the return of the almost blank subframe.
  • Step 806 The receiving module of the micro base station receives the uplink almost blank subframe configured by the macro base station 1 and the macro base station 2, and the detecting unit of the micro base station configures the terminal device that is strongly interfered by the uplink to send the channel sounding reference signal on the uplink almost null subframe, Obtaining the channel quality of the terminal device that is subjected to strong uplink interference in the uplink almost null subframe.
  • Step 807 The scheduling unit of the micro base station performs uplink communication on the corresponding resource of the uplink almost null subframe according to the channel quality scheduling, for example, according to the SRS, the Pico can obtain the UE in different frequency domain resources, that is, the physical The channel quality on the Physical Radio Block (PRB), Pico selects a better PRB for the UE to send uplink data within the available PRB range.
  • PRB Physical Radio Block
  • FIG. 9 is a flowchart of a method for solving uplink interference according to an embodiment of the present invention.
  • step 901 the micro base station receives the downlink almost blank subframe configured by the macro base station.
  • Step 902 Notify the calculation module when the monitoring unit of the micro base station detects that the terminal device is subjected to strong uplink interference.
  • Step 903 The calculation module of the micro base station calculates, according to the downlink almost blank subframe, a corresponding idle uplink subframe, for example, in frequency division duplex (FDD), if the downlink almost null subframe is n, then the corresponding n+4 The MUE of the macro cell in the uplink subframe does not uplink data transmission, and the n+4 subframe can be used as an idle uplink subframe.
  • FDD frequency division duplex
  • Step 904 The detecting unit of the micro base station configures the terminal device that is subjected to the uplink strong interference to send the channel sounding reference signal on the idle uplink subframe to obtain the channel quality of the terminal device that is subjected to the uplink strong interference in the idle uplink subframe.
  • Step 905 The scheduling unit of the micro base station performs uplink communication on the corresponding resource of the idle uplink subframe according to the channel quality scheduling, for example, according to the SRS, the Pico can obtain the resource in the different frequency domain, that is, the physical The channel quality on the Physical Radio Block (PRB), Pico selects a better PRB for the UE to send uplink data within the available PRB range.
  • PRB Physical Radio Block
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a micro base station, the program causes the computer to perform the above method for solving uplink interference in the heterogeneous network in the micro base station.
  • the embodiment of the invention further provides a storage medium storing a computer readable program, wherein the computer readable program The sequence causes the computer to perform the above method for resolving uplink interference in the heterogeneous network in the micro base station.
  • Embodiments of the present invention also provide a computer readable program, wherein when the program is executed in a macro base station, the program causes a computer to perform the above-described method of resolving uplink interference in a heterogeneous network in the macro base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to perform the above method for solving uplink interference in a heterogeneous network in a macro base station.
  • the uplink data transmission of the terminal device of the macro cell may interfere with the uplink reception of the terminal device of the micro cell, and the uplink channel quality of the terminal device in the micro cell is ensured by the embodiment of the device of the present invention.
  • the above apparatus and method of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.

Landscapes

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

Abstract

本发明涉及通信领域，特别涉及一种解决异构网络中上行干扰的方法及装置，其中方法包括监测终端设备的上行信道质量；当出现上行干扰时，获取上行几乎空子帧，在该上行几乎空子帧中宏小区中的终端设备降低发送功率或者无功率发送；在所述上行几乎空子帧上调度受上行干扰的终端设备进行上行通信。通过本发明实施例可以避免宏小区的终端设备的上行数据传输对微小区的终端设备的上行接收产生干扰，保证了微小区中终端设备的上行信道质量。

Description

一种解决异构网络中上行干扰的方法及装置
技术领域
本发明涉及通信领域， 特别涉及一种解决异构网络中上行干扰的方法及装置。 背景技术
在异构网络中， 可以通过部署小功率基站， 例如微基站 （Pico) 来提升系统容量或者 扩展系统覆盖范围。 如图 1所示为现有技术中 Pico基站部署示意图， Pico部署在宏基站 (Macro) 覆盖范围内， Pico基站的信号强度可能会弱于 Macro基站的信号强度， 因此， 处 于 Pico小区中的终端设备 （PUE ) 的下行通信会受到来自 Macro小区中的终端设备 （MUE) 的干扰， 在现有技术中通过宏基站向微基站发送几乎空子帧 （Almost Blank Subframe, ABS ) 来解决下行通信的干扰问题， Macro小区的终端设备在 ABS子帧进行无功率下行传输 (或降低功率发下行传输）， Macro小区的终端设备在非 ABS子帧以全功率进行下行传输； 使 这些 Pico基站可把受干扰的 PUE调度在这些几乎空子帧上进行下行传输， 从而保证其下行 接收的信道质量。
但是在现有技术中却没有考虑到如下问题， 在上述类似的部署场景下， 邻近 Pico基站 边缘的宏小区终端设备（MUE)的上行数据传输会对 Pico小区中的 PUE上行接收产生强干扰。
应该注意， 上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、 完整 的说明， 并方便本领域技术人员的理解而阐述的。 不能仅仅因为这些方案在本发明的背景 技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。 发明内容
本发明实施例提供了一种解决异构网络中上行干扰的方法及装置， 用于解决现有技术 中宏小区的终端设备在上行时对微小区边缘的终端设备的上行通信造成干扰的问题。
本发明实施例提供了一种解决异构网络中上行干扰的方法， 该方法包括：
监测终端设备的上行信道质量；
当出现上行干扰时， 获取上行几乎空子帧， 在该上行几乎空子帧中宏小区中的终端设 备降低发送功率或者无功率发送；
在所述上行几乎空子帧上调度受上行干扰的终端设备进行上行通信。
本发明实施例还提供了一种解决异构网络中上行干扰的方法， 该方法包括： 接收微基站发送的上行干扰通知；
向该微基站发送上行几乎空子帧。
本发明实施例还提供了一种解决异构网络中上行干扰的微基站， 该微基站包括： 监测单元， 用于监测终端设备的上行信道质量；
获取单元， 用于当出现上行干扰时， 获取上行几乎空子帧， 在该上行几乎空子帧中宏 小区的终端设备降低发送功率或者无功率发送；
调度单元， 用于在所述上行几乎空子帧上调度受上行干扰的终端设备进行上行通信。 本发明实施例还提供了一种解决异构网络中上行干扰的宏基站， 该宏基站包括， 接收单元， 用于接收微基站发送的上行干扰通知；
发送单元， 用于向该微基站发送上行几乎空子帧。
本发明实施例还提供了一种计算机可读程序， 其中当在微基站中执行该程序时， 该程 序使得计算机在所述微基站中执行上述解决异构网络中上行干扰的方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质， 其中该计算机可读程 序使得计算机在所述微基站中执行上述解决异构网络中上行干扰的方法。
本发明实施例还提供了一种计算机可读程序， 其中当在宏基站中执行该程序时， 该程 序使得计算机在所述宏基站中执行上述解决异构网络中上行干扰的方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质， 其中该计算机可读程 序使得计算机在宏基站中执行上述解决异构网络中上行干扰的方法。
本发明实施例的有益效果在于， 宏小区的终端设备的上行数据传输对微小区的终端设 备的上行接收产生干扰， 保证了微小区中终端设备的上行信道质量。
参照后文的说明和附图， 详细公开了本发明的特定实施方式， 指明了本发明的原理可 以被采用的方式。 应该理解， 本发明的实施方式在范围上并不因而受到限制。 在所附权利 要求的精神和条款的范围内， 本发明的实施方式包括许多改变、 修改和等同。
针对一种实施方式描述和 /或示出的特征可以以相同或类似的方式在一个或更多个其 它实施方式中使用， 与其它实施方式中的特征相组合， 或替代其它实施方式中的特征。
应该强调， 术语 "包括 /包含"在本文使用时指特征、 整件、 步骤或组件的存在， 但 并不排除一个或更多个其它特征、 整件、 步骤或组件的存在或附加。 附图说明
此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部分， 并不构成 对本发明的限定。 在附图中：
图 1所示为现有技术中 Pico基站部署示意图；
图 2所示为本发明实施例一的一种解决异构网络中上行干扰的方法流程图； 图 3所示为本发明实施例二的一种解决异构网络中上行干扰的方法流程图； 图 4所示为本发明实施例三的一种解决异构网络中上行干扰的微基站结构示意图； 图 5所示为本发明实施例四的一种解决异构网络中上行干扰的宏基站结构示意图； 图 6所示为本发明实施例五在图 1的场景中解决上行干扰的方法流程图；
图 7所示为本发明实施例六的一种宏基站和微基站的部署关系图；
图 8所示为本发明实施例六在图 7的场景中解决上行干扰的方法流程图；
图 9所示为本发明实施例七的一种解决上行干扰的方法流程图； 图 10所示为本发明实施例上行几乎空子帧的示意图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚， 下面结合附图对本发明的具体实施例 进行详细说明。 在此， 本发明的示意性实施例及其说明用于解释本发明， 但并不作为对本 发明的限定。
实施例一
如图 2所示为本发明实施例一种解决异构网络中上行干扰的方法流程图。
该方法包括步骤 201， 监测终端设备的上行信道质量。
步骤 202， 当出现上行干扰时， 获取上行几乎空子帧， 在该上行几乎空子帧中宏小区 终端设备降低发送功率或者无功率发送。
步骤 203， 在所述上行几乎空子帧上调度受上行干扰的终端设备进行上行通信。
在上述步骤 202中， 当出现上行干扰时， 通知对微小区终端设备造成上行干扰的宏基 站， 其中可以通知所有对其造成上行干扰的宏基站， 例如可以同时通知两个或者两个以上 的宏基站微小区终端设备收到上行干扰， 可以利用现有的负载指示 （Load Indication ) 消息发送该通知。
在上述步骤中， 还可以在发送通知的同时要求宏基站分配上行几乎空子帧。
在上述步骤 202中还包括， 接收宏基站分配的上行几乎空子帧。
在上述步骤 202中， 当出现上行干扰时， 根据宏基站分配的下行几乎空子帧计算得到 相应的空闲上行子帧， 将该空闲的上行子帧作为上行几乎空子帧。
在上述步骤 203之中还包括， 配置受到上行干扰的终端设备在所述上行几乎空子帧发 送信道探测参考信号 （Sounding Reference Signal , SRS ) ， 用以获得所述受到上行干扰 的终端设备在上行几乎空子帧的信道质量， 根据所述信道质量调度受上行干扰的终端设备 在所述上行几乎空子帧的相应资源进行上行通信。
通过上述实施例， 可以降低宏基站对微小区终端设备的上行干扰， 保证终端设备的上 行信道质量。 实施例二
如图 3所示为本发明实施例一种解决异构网络中上行干扰的方法流程图。
该方法包括步骤 301， 接收微基站发送的上行干扰通知。
步骤 302， 向该微基站发送上行几乎空子帧。
通过上述实施例， 可以向配置微基站配置上行几乎空子帧， 减少宏基站对微小区的终 端设备上行干扰， 保证微小区的终端设备的上行信道质量。 实施例三
如图 4所示为本发明实施例一种解决异构网络中上行干扰的微基站结构示意图。 该微基站包括， 监测单元 401， 用于监测终端设备的上行信道质量。
获取单元 402， 用于当出现上行干扰时， 获取上行几乎空子帧， 在该上行几乎空子帧 中宏小区的终端设备降低发送功率或者无功率发送。
调度单元 403， 用于在所述上行几乎空子帧上调度受上行干扰的终端设备进行上行通 信。
在本实施例中还包括通知单元 404， 用于当出现上行干扰时， 通知对微小区的终端设 备造成上行干扰的宏基站。 其中可以通知所有对其造成上行干扰的宏基站， 例如可以同时 通知两个或者两个以上的宏基站该微基站收到上行干扰， 可以利用现有的负载指示 （Load Indication) 消息发送该通知。
在上述实施例中， 所述通知单元 404还可以在发送通知的同时要求宏基站分配上行几 乎空子帧。
所述获取单元 402进一步还包括接收模块 4021， 用于接收宏基站分配的上行几乎空子 帧。
所述获取单元 402进一步还包括计算模块 4022， 用于根据宏基站分配的下行几乎空子 帧计算得到相应的空闲上行子帧， 将该空闲的上行子帧作为上行几乎空子帧。
所述微基站还包括探测单元 405， 用于配置受到上行干扰的终端设备在所述上行几乎 空子帧发送信道探测参考信号 （Sounding Reference Signal , SRS) ， 以获得所述受到上 行干扰的终端设备在上行几乎空子帧的信道质量， 所述调度单元 403根据所述信道质量调 度受上行干扰的终端设备在所述上行几乎空子帧的相应资源进行上行通信。
通过上述实施例， 可以降低宏基站对微小区终端设备的上行干扰， 保证终端设备的上 行信道质量。 实施例四
如图 5所示为本发明实施例一种解决异构网络中上行干扰的宏基站结构示意图。
该宏基站包括接收单元 501， 用于接收微基站发送的上行干扰通知。
发送单元 502， 用于向该微基站发送上行几乎空子帧。
通过上述实施例， 可以向配置微基站配置上行几乎空子帧， 减少宏基站对微小区的终 端设备上行干扰， 保证微小区的终端设备的上行信道质量。 实施例五
在本例中可以参考图 1所示的场景， 在该场景中微基站边缘的终端设备 （PUE) 的上行 接收受到宏小区中的终端设备 （MUE) 的上行数据的干扰。
如图 6所示为在图 1的场景中解决上行干扰的方法流程图。
包括步骤 601， 微基站的监测单元监测 PUE的上行信道质量。
步骤 602， 当监测出 PUE的上行接收受到宏小区中的 MUE的上行数据的干扰例如： 根据
UE发送的 SRS, 可计算得到信干燥比 （SINR) ，如该值低于某个阈值则可认为受干扰严重， 微基站的通知单元例如可以通过负载指示 （Load Indication) 消息通知宏基站， 该微基 站的设备终端受到上行强干扰； 或者， 在向宏基站发送上行干扰通知的同时还可以发送要 求该宏基站发送上行几乎空子帧。
步骤 603， 当宏基站的接收单元接收到上述微基站的 PUE受到上行强干扰的通知后， 宏 基站可以进入步骤 604， 或者宏基站也可以进入步骤 605进行处理。
步骤 604， 宏基站进行例如上行功率控制降低 MUE的上行传输的功率， 从而可以避免对 PUE的上行强干扰。
步骤 605， 宏基站的发送单元向该微基站发送上行几乎空子帧， 在该上行几乎空子帧 中宏小区的终端设备降低发送功率或者无功率发送。 其中， 发送的上行几乎空子帧可以为 配置子帧的模式， 即用 0、 1的形式指示无线帧中哪些子帧是上行几乎空子帧， 如图 10所示 为本发明实施例上行几乎空子帧的示意图， 在该图中假设周期为 τ子帧， 0代表该子帧为正 常子帧， 1代表上行几乎空子帧。
如果微基站同时还发送了要求宏基站返回上行几乎空子帧的请求时， 在本步骤中宏基 站还可以拒绝微基站要求返回上行几乎空子帧的请求。
步骤 606， 微基站的接收模块接收到宏基站配置的上行几乎空子帧， 微基站的探测单 元配置受上行强干扰的终端设备在上行几乎空子帧上发送信道探测参考信号， 以获取受到 上行强干扰的终端设备在上行几乎空子帧的信道质量。
步骤 607， 微基站的调度单元根据上述信道质量调度受到上行强干扰的终端设备在上 行几乎空子帧的相应资源进行上行通信， 例如， 根据 SRS， Pico可得到该 UE在不同频域的 资源， 即物理资源块 （Physical Radio Block, PRB) 上的信道质量， Pico在可用 PRB范围 内， 选择较好的 PRB供该 UE发送上行数据。 实施例六
如图 7所示为本发明实施例的一种宏基站和微基站的部署关系图。
在图 7的场景中， 微基站边缘的终端设备 （PUE) 的上行接收时受到两个宏小区中的终 端设备 （MUE1和 MUE2) 的上行数据的干扰。 在其它的实施例中还可以是受到更多个宏小区 中的终端设备上行数据的干扰。
如图 8所示为在图 7的场景中解决上行干扰的方法流程图。
包括步骤 801， 微基站的监测单元监测 PUE的上行信道质量。
步骤 802， 当监测出 PUE的上行接收受到宏小区 1中的 MUE1和宏小区 2的 MUE2的上行数据 的干扰， 微基站的通知单元例如可以通过负载指示 （Load Indication) 消息分别通知宏 基站 1和宏基站 2， 该微基站的设备终端受到上行强干扰； 或者， 在向宏基站 1和宏基站 2发 送上行干扰通知的同时还可以发送要求该宏基站发送上行几乎空子帧。
步骤 803， 当宏基站 1和宏基站 2的接收单元分别接收到上述微基站的 PUE受到上行强干 扰的通知后， 宏基站 1和宏基站 2可以进入步骤 804， 或者宏基站 1和宏基站 2也可以进入步 骤 805进行处理。 步骤 804， 宏基站 1和宏基站 2可以进行例如上行功率控制降低 MUE的上行传输的功率， 从而可以避免对 PUE的上行强干扰。
步骤 805， 宏基站 1和宏基站 2的发送单元分别向该微基站发送上行几乎空子帧， 在其 所发送的上行几乎空子帧中宏小区 1和宏基站 2的终端设备降低发送功率或者无功率发送。 其中， 发送的上行几乎空子帧可以为配置子帧的模式， 即用 0、 1的形式指示无线帧中哪些 子帧是上行几乎空子帧， 例如使用 1来代表上行几乎空子帧。
如果微基站同时还发送了要求宏基站 1和宏基站 2返回上行几乎空子帧的请求时， 在本 步骤中宏基站 1和宏基站 2还可以拒绝微基站要求返回上行几乎空子帧的请求。
步骤 806， 微基站的接收模块接收到宏基站 1和宏基站 2配置的上行几乎空子帧， 微基 站的探测单元配置受上行强干扰的终端设备在上行几乎空子帧上发送信道探测参考信号， 以获取受到上行强干扰的终端设备在上行几乎空子帧的信道质量。
步骤 807， 微基站的调度单元根据上述信道质量调度受到上行强干扰的终端设备在上 行几乎空子帧的相应资源进行上行通信， 例如， 根据 SRS， Pico可得到该 UE在不同频域资 源， 即物理资源块 （Physical Radio Block, PRB) 上的信道质量， Pico在可用 PRB范围内， 选择较好的 PRB供该 UE发送上行数据。 实施例七
如图 9所示为本发明实施例的一种解决上行干扰的方法流程图。
在本例中可以应用于终端设备上网等数据业务的场景。
包括步骤 901， 微基站接收到宏基站为其配置的下行几乎空子帧。
步骤 902， 当微基站的监测单元检测到终端设备受到上行强干扰则通知计算模块。 步骤 903， 微基站的计算模块根据所述下行几乎空子帧计算得到相应空闲的上行子帧， 例如在频分双工 （FDD) 中， 如果下行几乎空子帧为 n， 则在相应的 n+4的上行子帧中宏小 区的 MUE也不会上行数据传输， 该 n+4子帧就可以作为空闲的上行子帧。
步骤 904， 微基站的探测单元配置受上行强干扰的终端设备在上述空闲的上行子帧上 发送信道探测参考信号， 以获取受到上行强干扰的终端设备在所述空闲的上行子帧的信道 质量。
步骤 905， 微基站的调度单元根据上述信道质量调度受到上行强干扰的终端设备在空 闲上行子帧的相应资源进行上行通信， 例如， 根据 SRS， Pico可得到该 UE在不同频域资源， 即物理资源块 （Physical Radio Block, PRB) 上的信道质量， Pico在可用 PRB范围内， 选 择较好的 PRB供该 UE发送上行数据。 实施例八
本发明实施例还提供了一种计算机可读程序， 其中当在微基站中执行该程序时， 该程 序使得计算机在所述微基站中执行上述解决异构网络中上行干扰的方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质， 其中该计算机可读程 序使得计算机在所述微基站中执行上述解决异构网络中上行干扰的方法。
本发明实施例还提供了一种计算机可读程序， 其中当在宏基站中执行该程序时， 该程 序使得计算机在所述宏基站中执行上述解决异构网络中上行干扰的方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质， 其中该计算机可读程 序使得计算机在宏基站中执行上述解决异构网络中上行干扰的方法。
通过本发明装置的实施例可以宏小区的终端设备的上行数据传输对微小区的终端设 备的上行接收产生干扰， 保证了微小区中终端设备的上行信道质量。
本发明以上的装置和方法可以由硬件实现， 也可以由硬件结合软件实现。 本发明涉及 这样的计算机可读程序， 当该程序被逻辑部件所执行时， 能够使该逻辑部件实现上文所述 的装置或构成部件， 或使该逻辑部件实现上文所述的各种方法或步骤。 逻辑部件例如现场 可编程逻辑部件、 微处理器、 计算机中使用的处理器等。 本发明还涉及用于存储以上程序 的存储介质， 如硬盘、 磁盘、 光盘、 DVD、 flash存储器等。
以上所述的具体实施例， 对本发明的目的、 技术方案和有益效果进行了进一步详细说 明， 所应理解的是， 以上所述仅为本发明的具体实施例而已， 并不用于限定本发明的保护 范围， 凡在本发明的精神和原则之内， 所做的任何修改、 等同替换、 改进等， 均应包含在 本发明的保护范围之内。

Claims

权 利 要 求 书
1.一种解决异构网络中上行干扰的方法， 该方法包括：
监测终端设备的上行信道质量；
当出现上行干扰时， 获取上行几乎空子帧， 在该上行几乎空子帧中宏小区中的终端设 备降低发送功率或者无功率发送；
在所述上行几乎空子帧上调度受上行干扰的终端设备进行上行通信。
2.根据权利要求 1所述的方法， 其中， 当出现上行干扰时， 通知对微小区终端设备造 成上行干扰的宏基站。
3.根据权利要求 2所述的方法， 其中， 在发送通知的同时要求宏基站分配上行几乎空 子帧。
4.根据权利要求 2所述的方法， 其中， 在发送通知后还包括接收宏基站分配的上行几 乎空子帧。
5.根据权利要求 1所述的方法， 其中， 当出现上行干扰时， 根据宏基站分配的下行几 乎空子帧计算得到相应的空闲上行子帧， 将该空闲的上行子帧作为上行几乎空子帧。
6.根据权利要求 1所述的方法， 其中， 在所述上行几乎空子帧上调度受上行干扰的终 端设备进行上行通信之中还包括， 配置受到上行干扰的终端设备在所述上行几乎空子帧发 送信道探测参考信号， 以获得所述受到上行干扰的终端设备在上行几乎空子帧的信道质 量， 根据所诉信道质量调度受上行干扰的终端设备在所述上行几乎空子帧的相应资源进行 上行通信。
7.一种解决异构网络中上行干扰的方法， 该方法包括：
接收微基站发送的上行干扰通知；
向该微基站发送上行几乎空子帧。
8.一种解决异构网络中上行干扰的微基站， 该微基站包括：
监测单元， 用于监测终端设备的上行信道质量；
获取单元， 用于当出现上行干扰时， 获取上行几乎空子帧， 在该上行几乎空子帧中宏 小区的终端设备降低发送功率或者无功率发送；
调度单元， 用于在所述上行几乎空子帧上调度受上行干扰的终端设备进行上行通信。
9.根据权利要求 8所述的微基站， 其中， 还包括通知单元， 用于当出现上行干扰时， 通知对微小区的终端设备造成上行干扰的宏基站。
10.根据权利要求 9所述的微基站， 其中， 所述通知单元还在发送通知的同时要求宏基 站分配上行几乎空子帧。
11.根据权利要求 8所述的微基站， 其中， 所述获取单元进一步还包括接收模块， 用于 接收宏基站分配的上行几乎空子帧。
12.根据权利要求 8所述的微基站， 其中， 所述获取单元进一步还包括计算模块， 用于 根据宏基站分配的下行几乎空子帧计算得到相应的空闲上行子帧， 将该空闲的上行子帧作 为上行几乎空子帧。
13.根据权利要求 8所述的微基站， 其中， 还包括探测单元， 用于配置受到上行干扰的 终端设备在所述上行几乎空子帧发送信道探测参考信号， 以获得所述受到上行干扰的终端 设备在上行几乎空子帧的信道质量， 所述调度单元根据所述信道质量调度受上行干扰的终 端设备在所述上行几乎空子帧的相应资源进行上行通信。
14.一种解决异构网络中上行干扰的宏基站， 该宏基站包括，
接收单元， 用于接收微基站发送的上行干扰通知；
发送单元， 用于向该微基站发送上行几乎空子帧。
15.—种计算机可读程序， 其中当在微基站中执行该程序时， 该程序使得计算机在所 述微基站中执行上述权利要求 1-6任意一项中的解决异构网络中上行干扰的方法。
16.一种存储有计算机可读程序的存储介质， 其中该计算机可读程序使得计算机在所 述微基站中执行上述权利要求 1-6任意一项中的解决异构网络中上行干扰的方法。
17.—种计算机可读程序， 其中当在宏基站中执行该程序时， 该程序使得计算机在所 述宏基站中执行上述权利要求 7所述的解决异构网络中上行干扰的方法。
18.一种存储有计算机可读程序的存储介质， 其中该计算机可读程序使得计算机在宏 基站中执行上述权利要求 7所述的解决异构网络中上行干扰的方法。
PCT/CN2012/073046 2012-03-26 2012-03-26 一种解决异构网络中上行干扰的方法及装置 WO2013143056A1 (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020147026345A KR20140134679A (ko) 2012-03-26 2012-03-26 이종 네트워크에서의 업링크 간섭 조정 방법 및 장치
PCT/CN2012/073046 WO2013143056A1 (zh) 2012-03-26 2012-03-26 一种解决异构网络中上行干扰的方法及装置
EP12873408.4A EP2833664A4 (en) 2012-03-26 2012-03-26 METHOD AND DEVICE FOR SOLVING UPLINK INTERFERENCE IN A HETEROGENIC NETWORK
CN201280069991.8A CN104115519A (zh) 2012-03-26 2012-03-26 一种解决异构网络中上行干扰的方法及装置
JP2015502036A JP2015511798A (ja) 2012-03-26 2012-03-26 異質ネットワーク中の上り干渉を解決する方法及び装置
US14/480,191 US20140376398A1 (en) 2012-03-26 2014-09-08 Method and apparatus of uplink interference coordination in heterogeneous network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/073046 WO2013143056A1 (zh) 2012-03-26 2012-03-26 一种解决异构网络中上行干扰的方法及装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/480,191 Continuation US20140376398A1 (en) 2012-03-26 2014-09-08 Method and apparatus of uplink interference coordination in heterogeneous network

Publications (1)

Publication Number Publication Date
WO2013143056A1 true WO2013143056A1 (zh) 2013-10-03

Family

ID=49258051

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/073046 WO2013143056A1 (zh) 2012-03-26 2012-03-26 一种解决异构网络中上行干扰的方法及装置

Country Status (6)

Country Link
US (1) US20140376398A1 (zh)
EP (1) EP2833664A4 (zh)
JP (1) JP2015511798A (zh)
KR (1) KR20140134679A (zh)
CN (1) CN104115519A (zh)
WO (1) WO2013143056A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103582000A (zh) * 2012-08-10 2014-02-12 北京三星通信技术研究有限公司 一种干扰协调方法
US8983393B2 (en) * 2012-12-13 2015-03-17 At&T Intellectual Property I, Lp Method and apparatus for mitigating interference in a wireless communication system
CN104770033B (zh) * 2013-10-23 2019-03-26 华为技术有限公司 传输信息的方法、装置和系统
KR102301826B1 (ko) 2014-08-27 2021-09-14 삼성전자 주식회사 무선 통신 시스템 및 그 시스템에서 간섭 조정을 위한 자원 관리 방법
WO2016201672A1 (zh) * 2015-06-18 2016-12-22 华为技术有限公司 数据传输方法、装置及系统
CN106559793B (zh) * 2015-09-25 2019-12-06 中国电信股份有限公司 一种同构网中跨载波调度规避干扰的方法和系统
US10193674B2 (en) 2015-12-18 2019-01-29 Qualcomm Incorporated Methods and systems for processing a global navigation satellite system signal
US10225109B2 (en) * 2016-03-11 2019-03-05 Lg Electronics Inc. Method and apparatus for transmitting and receiving information related to SRS transmission in FDR mode
US10469224B2 (en) * 2016-09-30 2019-11-05 Qualcomm Incorporated Joint transmission of precoded and unprecoded sounding reference signals in uplink
RU2732620C1 (ru) * 2017-07-07 2020-09-22 Бейдзин Сяоми Мобайл Софтвэр Ко., Лтд. Способ и устройство согласования помех, базовая станция и пользовательское оборудование
US11337191B2 (en) * 2017-08-11 2022-05-17 Kyocera Corporation Interference mitigation for aerial vehicle communications by sharing scheduling information with neighboring base stations
US11343124B2 (en) 2017-08-15 2022-05-24 At&T Intellectual Property I, L.P. Base station wireless channel sounding
US10432330B2 (en) * 2017-08-15 2019-10-01 At&T Intellectual Property I, L.P. Base station wireless channel sounding

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873686A (zh) * 2009-04-23 2010-10-27 上海无线通信研究中心 一种td-lte系统功率控制方法
CN102176781A (zh) * 2011-01-07 2011-09-07 电信科学技术研究院 一种信息获取方法及装置
WO2011136334A1 (ja) * 2010-04-30 2011-11-03 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、移動端末装置及び通信制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102065490B (zh) * 2011-01-17 2014-04-02 大唐移动通信设备有限公司 基站间下行发射功率的协调方法和设备
US8843139B2 (en) * 2011-09-26 2014-09-23 Blackberry Limited Method and system for small cell discovery in heterogeneous cellular networks
JP5964434B2 (ja) * 2011-09-29 2016-08-03 ノキア ソリューションズ アンド ネットワークス オサケユキチュア 負荷ベースハンドオーバ管理
US9060377B2 (en) * 2011-11-02 2015-06-16 Hitachi, Ltd. ABS-based method for inter cell interference coordination in LTE-advanced networks
US8848560B2 (en) * 2011-11-04 2014-09-30 Blackberry Limited Apparatus and method for adaptive transmission during almost blank subframes in a wireless communication network
US9253794B2 (en) * 2011-12-02 2016-02-02 Telefonaktiebolaget L M Ericsson (Publ) Efficient spectrum utilization with almost blank subframes
CN103313337B (zh) * 2012-03-13 2019-01-25 北京三星通信技术研究有限公司 一种消除小区间下行干扰的方法
US8744449B2 (en) * 2012-03-16 2014-06-03 Blackberry Limited Mobility parameter adjustment and mobility state estimation in heterogeneous networks
US8798021B2 (en) * 2012-03-16 2014-08-05 Nokia Siemens Networks Oy Hierarchical network and interference management
US9288680B2 (en) * 2012-03-22 2016-03-15 Alcatel Lucent Almost blank subframe duty cycle adaptation in heterogeneous networks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873686A (zh) * 2009-04-23 2010-10-27 上海无线通信研究中心 一种td-lte系统功率控制方法
WO2011136334A1 (ja) * 2010-04-30 2011-11-03 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、移動端末装置及び通信制御方法
CN102176781A (zh) * 2011-01-07 2011-09-07 电信科学技术研究院 一种信息获取方法及装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 APPLICATION PROTOCOL (X2AP) (RELEASE 10)", 3GPP TS 36.423 V10.4.0, 31 December 2011 (2011-12-31), pages 10, XP055140896, Retrieved from the Internet <URL:www.3gpp.org> *
See also references of EP2833664A4 *

Also Published As

Publication number Publication date
JP2015511798A (ja) 2015-04-20
EP2833664A4 (en) 2015-12-23
EP2833664A1 (en) 2015-02-04
KR20140134679A (ko) 2014-11-24
CN104115519A (zh) 2014-10-22
US20140376398A1 (en) 2014-12-25

Similar Documents

Publication Publication Date Title
WO2013143056A1 (zh) 一种解决异构网络中上行干扰的方法及装置
KR101984848B1 (ko) Lte 라이센스 지원형 액세스 동작에서의 drx 핸들링
EP3777456B1 (en) Mac-phy model for sidelink carrier (re)selection
WO2017157089A1 (zh) 一种配置和确定半持续调度的方法及设备
JP6350836B2 (ja) 情報伝送方法、基地局、およびユーザ機器
US10959225B2 (en) Techniques for handling semi-persistent scheduling collisions for wireless networks
US9667392B2 (en) Apparatus and method for allocating the reference symbols in order to reduce the latency of the LTE system
WO2017157128A1 (zh) 一种配置和确定半持续调度的方法及设备
US20200163070A1 (en) Base station, terminal, wireless communication system, control method of base station, and control method of terminal
US20160366665A1 (en) Method and apparatus for transmitting system information, and method and apparatus for receiving system information
JP7458493B2 (ja) Ｄ２ｄ通信のためのリソース選択を提供する方法および関係する通信デバイス
CN107113859B (zh) 用于调度无线电通信的方法和设备
WO2019095897A1 (zh) 一种资源分配的方法及设备
JP2016541170A (ja) 移動性管理方法、装置及びシステム
WO2014101236A1 (zh) 一种上行信道干扰协调方法及基站
JP7199551B2 (ja) リソース予約方法および関連デバイス
WO2017166234A1 (zh) 信号传输方法、信号传输控制方法、用户设备及基站
CN109788572B (zh) 对sr配置的处理方法及装置、存储介质、终端
EP2989845B1 (en) Methods and apparatus for communication scheduling
CN115516973A (zh) 时间敏感通信
CN109152000A (zh) 一种语音业务处理方法及装置
WO2013139034A1 (zh) 一种异构网络中提高寻呼接收可靠性的方法及装置
WO2014190527A1 (zh) 辅助通信方法及装置
WO2015070636A1 (zh) 控制信道干扰协调的方法、系统、装置及基站
WO2014179977A1 (zh) 用于小区间干扰协调的信令通知方法和装置

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: 12873408

Country of ref document: EP

Kind code of ref document: A1

REEP Request for entry into the european phase

Ref document number: 2012873408

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2012873408

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20147026345

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2015502036

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE