WO2015180019A1 - 邻区干扰的消除方法、基站控制设备及基站 - Google Patents

邻区干扰的消除方法、基站控制设备及基站 Download PDF

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Publication number
WO2015180019A1
WO2015180019A1 PCT/CN2014/078428 CN2014078428W WO2015180019A1 WO 2015180019 A1 WO2015180019 A1 WO 2015180019A1 CN 2014078428 W CN2014078428 W CN 2014078428W WO 2015180019 A1 WO2015180019 A1 WO 2015180019A1
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Prior art keywords
candidate
terminal
base station
candidate terminal
target
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PCT/CN2014/078428
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English (en)
French (fr)
Inventor
谢嵩
李熠
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.)
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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 CN201480007613.6A priority Critical patent/CN105517658A/zh
Priority to PCT/CN2014/078428 priority patent/WO2015180019A1/zh
Publication of WO2015180019A1 publication Critical patent/WO2015180019A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements

Definitions

  • the present invention relates to a wireless communication technology, and in particular, to a method for canceling neighbor interference, a base station control device, and a base station.
  • WCDMA wideband code division multiple access
  • a base station first selects a terminal in a terminal covered by the cell, and then performs detection according to user information of the terminal, and performs signal weight of the terminal according to the detection result. Then, the signal of the terminal is cancelled in the antenna data, thereby eliminating the signal of the terminal, and the signal interference of the terminal to other terminals in the local cell can be reduced.
  • the base station can only obtain the user information of the terminal belonging to the local cell, and cannot obtain the user information of the terminal belonging to the neighboring cell. Therefore, the terminal that belongs to the neighboring cell can be eliminated by using the cancellation technology to the terminal belonging to the local cell. The interference signal is eliminated.
  • the embodiments of the present invention provide a method for canceling neighboring interference, a base station control device, and a base station, so as to implement interference signals between terminals in a neighboring cell.
  • an embodiment of the present invention provides a base station control device, including:
  • a processing unit configured to determine a first candidate terminal
  • a sending unit configured to send user information of the first candidate terminal to the target base station, so that the target base station obtains an interference signal of the first candidate terminal according to user information of the first candidate terminal, and is in an antenna
  • the interference signal is removed from the data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell is a neighboring cell of a target cell belonging to the target base station.
  • the processing unit is specifically configured to:
  • the processing unit is specifically configured to: determine, according to all second candidate terminals in all candidate cells, the first candidate terminal.
  • the processing unit is specifically configured to:
  • an embodiment of the present invention provides a base station, including:
  • a receiving unit configured to receive user information of a first candidate terminal sent by a base station control device, where the first candidate terminal is determined by the base station control device;
  • a processing unit configured to obtain, according to user information of the first candidate terminal, an interference signal of the first candidate terminal
  • a canceling unit configured to remove the interference signal in the antenna data, to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell belongs to the target The neighboring cell of the target cell of the base station.
  • the processing unit is specifically configured to:
  • Searching by using the search resource reserved for the first candidate terminal, a signal of the first candidate terminal to obtain first signal information of the first candidate terminal, according to user information of the first candidate terminal;
  • the eliminating unit is specifically configured to:
  • the antenna data includes a signal of the target terminal in the target cell, and the first candidate terminal in the candidate cell is used by the target terminal Interference signals and other interference signals;
  • an embodiment of the present invention provides a method for eliminating neighbor interference, including:
  • the base station control device determines the first candidate terminal
  • the base station control device sends the user information of the first candidate terminal to the target base station, so that the target base station obtains the interference signal of the first candidate terminal according to the user information of the first candidate terminal, and the antenna
  • the interference signal is removed from the data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell is a neighboring cell of a target cell belonging to the target base station. .
  • the determining, by the base station control device, the first candidate terminal includes:
  • the base station control device obtains downlink receiving signal parameters of the target cell measured by all second candidate terminals in all candidate cells;
  • the base station control device determines the first candidate terminal according to the measured second candidate terminal whose downlink received signal parameter is greater than a preset parameter threshold.
  • the determining, by the base station control device, the first candidate terminal includes:
  • the base station control device determines the first candidate terminal according to all second candidate terminals in all candidate cells.
  • the determining, by the base station control device, the first candidate terminal includes:
  • the base station control device receives the identifier of the first candidate terminal that is sent by the candidate base station in the candidate cell; the first candidate terminal is obtained by the candidate base station, and the first candidate terminal is the measured target cell.
  • the second candidate terminal whose uplink signal strength is greater than a preset parameter threshold.
  • an embodiment of the present invention provides a method for eliminating neighbor interference, including:
  • the target base station removes the interference signal in the antenna data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell belongs to the target base station The neighborhood of the target cell.
  • the target base station obtains an interference signal of the first candidate terminal according to the user information of the first candidate terminal, including:
  • the target base station searches for the signal of the first candidate terminal by using the search resource reserved for the first candidate terminal according to the user information of the first candidate terminal, to obtain the first candidate of the first candidate terminal.
  • Signal information
  • the target base station removes the interference signal in antenna data, to eliminate the foregoing
  • the interference of a candidate terminal to the neighboring cell of the target terminal includes:
  • the target base station performs analog-to-digital conversion on the wireless signal received by the radio frequency antenna to obtain antenna data;
  • the antenna data includes a signal of the target terminal in the target cell, and the first candidate terminal pair in the candidate cell Interference signals and other interference signals of the target terminal;
  • the target base station starts from the first candidate terminal with the highest strength of the interference signal of the target terminal by the first candidate terminal, and removes the first antenna data according to the interference signal of the first candidate terminal to the target terminal.
  • An interference signal of the candidate terminal to the target terminal to eliminate neighboring interference of the first candidate terminal to the target terminal.
  • the base station control device obtains the first candidate terminal, and sends the user information of the first candidate terminal to the target base station, so that the target base station can obtain the user information of the terminal belonging to the neighboring cell, so that the user information and the pair can be utilized.
  • the elimination technology eliminates the interference signal of the terminal in the neighboring cell to the terminal in the local cell.
  • FIG. 1 is a functional block diagram of a base station control device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a neighboring area interference cancellation system according to an embodiment of the present invention.
  • FIG. 3 is a functional block diagram of a base station control device according to an embodiment of the present invention.
  • FIG. 4 is a functional block diagram of a base station according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a method 1 for canceling neighbor interference according to an embodiment of the present invention.
  • FIG. 7 is a schematic flowchart diagram of a second method for eliminating neighbor interference according to an embodiment of the present invention.
  • the embodiment of the present invention provides a base station control device.
  • FIG. 1 it is a functional block diagram of a base station control device according to an embodiment of the present invention. As shown in the figure, the base station control device includes:
  • the processing unit 10 is configured to determine a first candidate terminal
  • the sending unit 11 is configured to send the user information of the first candidate terminal to the target base station, so that the target base station obtains the interference signal of the first candidate terminal according to the user information of the first candidate terminal, and Removing the interference signal from the antenna data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell is a target cell belonging to the target base station. Neighborhood.
  • the processing unit 10 is specifically configured to: obtain downlink downlink signal parameters of the target cell measured by all second candidate terminals in all candidate cells; and according to the measured downlink received signal parameter is greater than a preset
  • the second candidate terminal of the parameter threshold determines the first candidate terminal.
  • the processing unit 10 of the base station control device obtains the downlink received signal parameter of the target cell measured by all the second candidate terminals in all the candidate cells, according to the measured that the downlink received signal parameter is greater than a preset parameter threshold.
  • the second candidate terminal, the determining the first candidate terminal may include:
  • FIG. 2 is a schematic structural diagram of a neighboring cell interference cancellation system according to an embodiment of the present invention.
  • the processing unit 10 of the base station control device sends a measurement indication message to a candidate base station in each candidate cell.
  • the measurement indication message includes a measurement type and an identifier of the target cell, where the measurement type may be a downlink received signal parameter, for example, the downlink received signal parameter may include downlink pilot received power; and the identifier of the target cell may be pre-configured at the base station.
  • the measurement type may be a downlink received signal parameter, for example, the downlink received signal parameter may include downlink pilot received power
  • the identifier of the target cell may be pre-configured at the base station.
  • the candidate cell is a neighboring cell of the target cell, and one target cell may correspond to at least one candidate cell, and the base station to which each candidate cell belongs is a candidate base station, and each candidate cell has at least one second.
  • Candidate terminal is a neighboring cell of the target cell, and one target cell may correspond to at least one candidate cell, and the base station to which each candidate cell belongs is a candidate base station, and each candidate cell has at least one second.
  • the candidate base station receives the measurement indication message, and then sends the measurement indication message to each second candidate terminal; after receiving the measurement indication message, each second candidate terminal is determined according to the identity and measurement type of the target cell. And performing measurement of a downlink received signal parameter of the target cell to obtain a measurement result.
  • the second candidate terminal sends the measured downlink received signal parameter of the target cell to the candidate base station, and then the candidate base station forwards the downlink received signal parameter of the target cell to the processing unit 10 of the base station control device.
  • the processing unit 10 of the base station control device receives the downlink received signal parameters of the target cell reported by each candidate base station, thereby obtaining downlink received signal parameters of the target cell measured by all second candidate terminals in all candidate cells; and then the base station controls the device
  • the processing unit 10 compares the obtained downlink received signal parameter with a preset parameter threshold, and uses the second candidate terminal whose measured downlink cell signal parameter of the target cell is greater than the parameter threshold as the first candidate terminal, that is, the first
  • the candidate terminal is obtained by the processing unit 10 of the base station control device by using the parameter threshold to filter the second candidate terminal, where the first candidate terminal is a terminal that may generate neighboring interference to the target terminal in the target cell.
  • the processing unit 10 is specifically configured to: determine, according to all second candidate terminals in all candidate cells, the first candidate terminal.
  • the processing unit 10 of the base station control device determines the first candidate terminal according to all the second candidate terminals in all candidate cells, including: as shown in FIG. 2, the processing unit 10 of the base station control device may not need to be the second The candidate terminal performs screening, and all second candidate terminals in all candidate cells are used as the first candidate terminal.
  • the processing unit 10 is specifically configured to: receive a first candidate terminal that is sent by the candidate base station in the candidate cell; the first candidate terminal is obtained by the candidate base station, and the first candidate terminal is And measuring, by the second candidate terminal, that the uplink signal strength of the target cell is greater than a preset parameter threshold.
  • the processing unit 10 of the base station control device receives the first candidate terminal sent by the candidate base station in the candidate cell; the first candidate terminal is obtained by the candidate base station, and the first candidate terminal is to measure the target cell.
  • the second candidate terminal whose uplink signal strength is greater than a preset parameter threshold may include:
  • the processing unit 10 of the base station control device sends a measurement indication message to the candidate base station in each candidate cell, where the measurement indication message includes a measurement type and an identifier of the target cell, and the measurement type may be an uplink signal strength. .
  • the candidate base station receives the measurement indication message, and then sends the measurement indication message to each second candidate terminal; after receiving the measurement indication message, each second candidate terminal is determined according to the identity and measurement type of the target cell. And performing measurement of the uplink signal strength of the target cell to obtain a measurement result; the second candidate terminal transmitting the measured uplink signal strength of the target cell to the candidate base station.
  • the candidate base station may receive the uplink signal strength of the second candidate terminal, and compare the obtained uplink signal strength with a preset parameter threshold, and use the second candidate terminal whose uplink signal strength is greater than the parameter threshold as the first candidate terminal;
  • the candidate base station sends the identifier of the selected first candidate terminal to the processing unit 10 of the base station control device, and the processing unit 10 of the base station control device receives the identifier of the first candidate terminal sent by the candidate base station in the candidate cell to determine the first candidate. terminal.
  • the sending unit 11 of the base station control device sends the user information of the first candidate terminal to the target base station, including: as shown in FIG. 2, the sending unit 11 of the base station controlling device according to the first candidate terminal determined by the processing unit 10
  • the user information of the first candidate terminal is obtained, and then the user information of the first candidate terminal is sent to the target base station to which the target cell belongs by using a link establishment request (RL_SETUP_REQ) message.
  • the user information of the first candidate terminal may include physical parameters and service data of the first candidate terminal, and the physical parameters include a slot format, a scrambling code, and the like.
  • the base station control device may be a general packet radio service technology (General Packet Radio) Radio Network Controller (RNC) in Service, GPRS).
  • RNC General Packet Radio
  • GPRS General Packet Radio Network Controller
  • FIG. 3 is a schematic structural diagram of a base station control device according to an embodiment of the present invention.
  • the base station control device includes:
  • a memory 30 for storing information including a program routine
  • the processor 31 is coupled to the memory 30 and the transmitter 32 respectively for controlling the execution of the program routine, and specifically includes: determining a first candidate terminal;
  • the transmitter 32 is configured to send the user information of the first candidate terminal to the target base station, so that the target base station obtains the interference signal of the first candidate terminal according to the user information of the first candidate terminal, and Removing the interference signal from the antenna data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell is a target cell belonging to the target base station. Neighborhood.
  • the embodiment of the present invention provides a base station, where the base station is the target base station; please refer to FIG. 4, which is a functional block diagram of a base station according to an embodiment of the present invention
  • the receiving unit 40 is configured to receive user information of the first candidate terminal that is sent by the base station control device, where the first candidate terminal is determined by the base station control device;
  • the processing unit 41 is configured to obtain, according to user information of the first candidate terminal, an interference signal of the first candidate terminal;
  • the cancelling unit 42 is configured to remove the interference signal in the antenna data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell belongs to the The neighboring cell of the target cell of the target base station.
  • the processing unit 41 of the base station is specifically configured to:
  • Searching by using the search resource reserved for the first candidate terminal, a signal of the first candidate terminal to obtain first signal information of the first candidate terminal, according to user information of the first candidate terminal;
  • the processing unit 41 searches for the signal of the first candidate terminal by using the search resource reserved for the first candidate terminal, according to the user information of the first candidate terminal, to obtain the first candidate terminal.
  • the first signal information may include: the processing unit 41 of the base station receives the user information of the first candidate terminal sent by the base station control device, searches according to the user information of the first candidate terminal, and uses the search resource reserved for the first candidate terminal to search.
  • the signal of the first candidate terminal obtains the first signal information of the first candidate terminal.
  • the base station may reserve the search resource for the first candidate terminal in advance. After receiving the user information of the first candidate terminal, the base station may directly search for the signal of the first candidate terminal by using the search resource, where the search resource may be a time domain resource. .
  • the first signal information may include information such as a signal phase, a delay, and the like of the first candidate terminal.
  • the processing unit 41 of the base station demodulates the first signal information to obtain the second signal information of the first candidate terminal, including: demodulating the first signal information, and obtaining data of the first candidate terminal. Format, the data format is the second signal information.
  • the processing unit 41 of the base station performs the signal reconstruction of the first candidate terminal according to the second signal information to obtain the interference signal of the first candidate terminal to the target terminal, which may include:
  • the second signal information is a data format of the first candidate terminal, and the data format is modulated to obtain a signal of the first candidate terminal, that is, a signal of the first candidate terminal is reconstructed, and the signal of the first candidate terminal is a first candidate.
  • the interference signal of the terminal to the target terminal may include:
  • the second signal information is a data format of the first candidate terminal, and the data format is modulated to obtain a signal of the first candidate terminal, that is, a signal of the first candidate terminal is reconstructed, and the signal of the first candidate terminal is a first candidate.
  • the canceling unit 42 of the base station is specifically configured to: receive a wireless signal by using a radio frequency antenna, and then perform analog-to-digital conversion on the antenna signal to obtain antenna data;
  • the antenna data may include a signal of a target terminal in a target cell, and a candidate cell.
  • the eliminating unit 42 first sorts the first candidate terminal according to the strength of the interference signal of the first candidate terminal to the target terminal obtained by the processing unit 41, and the intensity is higher. The higher the ranking of a candidate terminal is, and the higher the priority of the cancellation processing, the lower the ranking of the first candidate terminal with lower strength and the lower the priority of the cancellation processing; then, the elimination unit 42 is the first with the highest intensity.
  • the candidate terminal starts to perform the cancellation processing of the interference signal.
  • the method for the cancellation processing may include: removing the interference signal in the antenna data according to the interference signal of the first candidate terminal to the target terminal obtained by the processing unit 41, to eliminate the neighboring interference of the first candidate terminal to the target terminal. .
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown, the base station includes:
  • the receiver 50 is configured to receive user information of the first candidate terminal that is sent by the base station control device, where the first candidate terminal is determined by the base station control device;
  • a memory 51 for storing information including a program routine
  • the processor 52 is coupled to the receiver 50 and the memory 51 respectively for controlling the execution of the program routine, and specifically includes: obtaining an interference signal of the first candidate terminal according to user information of the first candidate terminal; Removing the interference signal in the antenna data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell is a target cell belonging to the target base station. Neighborhood.
  • the embodiment of the present invention further provides an embodiment of a method for implementing each device in the foregoing device embodiment.
  • the embodiment of the present invention provides a method for canceling the interference of the neighboring cell.
  • FIG. 6 it is a schematic flowchart of the method for canceling the interference of the neighboring cell provided by the embodiment of the present invention, which is the control device of the base station shown in FIG. 1 .
  • the specific processing flow; as shown, the method includes the following steps:
  • Step 601 The base station control device determines the first candidate terminal.
  • the method for the base station control device to determine the first candidate terminal includes the following three types:
  • the base station control device obtains a downlink received signal strength of the target cell measured by all second candidate terminals in all candidate cells; and the measured downlink received signal strength is greater than a preset parameter threshold according to the measured
  • the second candidate terminal determines the first candidate terminal.
  • the base station control device determines the first candidate terminal according to all second candidate terminals in all candidate cells.
  • the third type the base station control device receives the first candidate terminal that is sent by the candidate base station in the candidate cell; the first candidate terminal is obtained by the candidate base station, and the first candidate terminal is the measured uplink signal strength is greater than A second candidate terminal of a preset parameter threshold.
  • the first candidate terminal belongs to the candidate cell
  • the target terminal belongs to the target cell
  • the target cell belongs to the target base station
  • the candidate cell belongs to the neighboring cell of the target cell.
  • Step 602 The base station control device sends the user information of the first candidate terminal to the target base station, so that the target base station obtains the interference signal of the first candidate terminal according to the user information of the first candidate terminal. And removing the interference signal in the antenna data to eliminate neighboring interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to a candidate cell, and the candidate cell belongs to the target base station The neighborhood of the target cell.
  • FIG. 7 is a schematic flowchart of a second method for canceling neighbor interference according to an embodiment of the present invention, which is a specific processing flow of the base station shown in FIG. 3 . As shown in the figure, the method includes the following steps:
  • Step 701 The target base station receives user information of the first candidate terminal sent by the base station control device, where the first candidate terminal is determined by the base station control device.
  • Step 702 The target base station obtains an interference signal of the first candidate terminal according to user information of the first candidate terminal.
  • the base station searches for the signal of the first candidate terminal by using the search resource reserved for the first candidate terminal, according to the user information of the first candidate terminal, to obtain the first candidate terminal.
  • the first signal information wherein the base station may reserve the search resource for the first candidate terminal in advance, and after receiving the user information of the first candidate terminal, the signal of the first candidate terminal may be directly searched by using the search resource, where the search resource is used.
  • the first signal information may include information such as a signal phase, a delay, and the like of the first candidate terminal.
  • the base station demodulates the first signal information to obtain a data format of the first candidate terminal, where the data format is the second signal information.
  • the second signal information is a data format of the first candidate terminal
  • the base station modulates the data format to obtain a signal of the first candidate terminal, that is, reconstructing a signal of the first candidate terminal, the first candidate terminal
  • the signal is an interference signal of the first candidate terminal to the target terminal.
  • Step 703 The target base station removes the interference signal in the antenna data to cancel the neighboring cell interference of the first candidate terminal to the target terminal; the first candidate terminal belongs to the candidate cell, and the candidate cell belongs to the The neighboring cell of the target cell of the target base station.
  • the target base station receives the wireless signal through the radio frequency antenna, and then performs analog-to-digital conversion on the antenna signal to obtain antenna data, where the antenna data includes a signal of the target terminal in the local cell, and an interference signal of the first candidate terminal in the neighboring cell to the target terminal. Other interference signals.
  • the target base station first sorts the first candidate terminal according to the obtained strength of the interference signal of the first candidate terminal to the target terminal, and the higher the strength of the first candidate terminal, the higher the priority and the higher the priority of the cancellation processing, the strength The lower the first candidate terminal is ranked lower and the cancellation processing priority is lower.
  • the target base station performs the cancellation processing of the interference signal from the first candidate terminal with the highest strength, and the cancellation processing method is: removing the interference signal from the antenna data according to the obtained interference signal of the first candidate terminal to the target terminal. To eliminate neighboring interference of the first candidate terminal to the target terminal.
  • the types of services that can be supported include a dedicated physical control channel (Dedicated). Physical Control Channel (DPCCH) or Dedicated Physical Data Channel, DPDCH) voice service, DPCCH, Enhanced Dedicated Physical Control Channel (Enhance Dedicated Physical Control) Channel, EDPCCH) or Enhanced Dedicated Physical Data (Enhance Dedicated Physical Data) High Speed Uplink Packet Access for Channel, EDPDCH) Access, HSUPA) service and DPCCH or uplink high speed dedicated physical control channel (High-Speed Dedicated Physical Control) CHannel, HS-DPCCH) High Speed Downlink Packet Access (HSDPA) service.
  • DPCCH Physical Control Channel
  • DPDCH Dedicated Physical Data Channel
  • EDPCCH Enhanced Dedicated Physical Control Channel
  • EDPCCH Enhanced Dedicated Physical Data
  • HSUPA High Speed Uplink Packet Access
  • the base station control device obtains the first candidate terminal, and sends the user information of the first candidate terminal to the target base station, so that the target base station can obtain the user information of the terminal belonging to the neighboring cell, thereby
  • the user information and the cancellation technology can be used to eliminate the interference signal of the terminal in the neighboring cell to the terminal in the local cell, thereby improving the system capacity of the cell.

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Abstract

本发明实施例提供了一种邻区干扰的消除方法、基站控制设备及终端,基站控制设备包括:处理单元确定第一候选终端;发送单元向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。本发明实施例提供的技术方案,用以实现消除邻区的终端之间的干扰信号。

Description

邻区干扰的消除方法、基站控制设备及基站
【技术领域】
本发明涉及无线通信技术,尤其涉及一种邻区干扰的消除方法、基站控制设备及基站。
【背景技术】
随着无线通信系统中业务量的迅猛增加,提升系统容量已经是各大运营商迫切解决的问题。但是,目前的无线通信系统中,如宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统,不仅存在小区内信号的相互干扰,还存在同频邻区的上行信号之间的干扰,造成信号中有大量噪声,影响系统容量。
现有技术中有一种消除终端之间的干扰信号的方法,即基站先在本小区覆盖的终端中选择一个终端,然后依据该终端的用户信息进行检测,依据检测结果进行该终端的信号的重构,然后在天线数据中将该终端的信号对消,从而消除该终端的信号,能够减少该终端对本小区其他终端的信号干扰。然而,上述方案中,基站只能获得属于本小区的终端的用户信息,无法获得属于邻区的终端的用户信息,因此,无法实现利用对消技术消除属于邻区的终端对属于本小区的终端的干扰信号消除。
【发明内容】
本发明实施例提供了一种邻区干扰的消除方法、基站控制设备及基站,以实现消除邻区的终端之间的干扰信号。
第一方面,本发明实施例提供了一种基站控制设备,包括:
处理单元,用于确定第一候选终端;
发送单元,用于向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
在第一方面的第一种可能的实现方式中,所述处理单元具体用于:
获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号参数;
依据测量的所述下行接收信号参数大于预设的参数阈值的所述第二候选终端,确定所述第一候选终端。
在第一方面的第二种可能的实现方式中,所述处理单元具体用于:依据所有候选小区中所有第二候选终端,确定所述第一候选终端。
在第一方面的第三种可能的实现方式中,所述处理单元具体用于:
接收所述候选小区中候选基站发送的第一候选终端的标识;所述第一候选终端为所述候选基站获得的,且所述第一候选终端为测量所述目标小区的上行信号强度大于预设的参数阈值的第二候选终端。
第二方面,本发明实施例提供了一种基站,包括:
接收单元,用于接收基站控制设备发送的第一候选终端的用户信息,所述第一候选终端为所述基站控制设备确定的;
处理单元,用于依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号;
消除单元,用于在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
在第二方面的第一种可能的实现方式中,所述处理单元具体用于:
依据所述第一候选终端的用户信息,利用为所述第一候选终端预留的搜索资源,搜索所述第一候选终端的信号,以获得所述第一候选终端的第一信号信息;
对所述第一信号信息进行解调,以获得所述第一候选终端的第二信号信息;
依据所述第二信号信息进行所述第一候选终端的信号重构,以获得所述第一候选终端对所述目标终端的干扰信号。
结合第二方面或第二方面的第一种可能的实现方式,在第二方面的第二种可能的实现方式中,所述消除单元具体用于:
对通过射频天线接收的无线信号进行模数转换,以获得天线数据;所述天线数据包括所述目标小区中目标终端的信号、所述候选小区中所述第一候选终端对所述目标终端的干扰信号和其他干扰信号;
从所述第一候选终端对目标终端的干扰信号的强度最高的第一候选终端开始,依据所述第一候选终端对目标终端的干扰信号,在天线数据中去除所述第一候选终端对目标终端的干扰信号,以消除所述第一候选终端对所述目标终端的邻区干扰。
第三方面,本发明实施例提供了一种邻区干扰的消除方法,包括:
基站控制设备确定第一候选终端;
所述基站控制设备向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
在第三方面的第一种可能的实现方式中,所述基站控制设备确定第一候选终端,包括:
所述基站控制设备获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号参数;
所述基站控制设备依据测量的所述下行接收信号参数大于预设的参数阈值的所述第二候选终端,确定所述第一候选终端。
在第三方面的第二种可能的实现方式中,所述基站控制设备确定第一候选终端,包括:
所述基站控制设备依据所有候选小区中所有第二候选终端,确定所述第一候选终端。
在第三方面的第三种可能的实现方式中,所述基站控制设备确定第一候选终端,包括:
所述基站控制设备接收所述候选小区中候选基站发送的第一候选终端的标识;所述第一候选终端为所述候选基站获得的,且所述第一候选终端为测量的所述目标小区的上行信号强度大于预设的参数阈值的第二候选终端。
第四方面,本发明实施例提供了一种邻区干扰的消除方法,包括:
目标基站接收基站控制设备发送的第一候选终端的用户信息,所述第一候选终端为所述基站控制设备确定的;
所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号;
所述目标基站在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
在第四方面的第一种可能的实现方式中,所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,包括:
所述目标基站依据所述第一候选终端的用户信息,利用为所述第一候选终端预留的搜索资源,搜索所述第一候选终端的信号,以获得所述第一候选终端的第一信号信息;
所述目标基站对所述第一信号信息进行解调,以获得所述第一候选终端的第二信号信息;
所述目标基站依据所述第二信号信息进行所述第一候选终端的信号重构,以获得所述第一候选终端对所述目标终端的干扰信号。
结合第四方面或第四方面的第一种可能的实现方式,在第四方面的第二种可能的实现方式中,所述目标基站在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰,包括:
所述目标基站对通过射频天线接收的无线信号进行模数转换,以获得天线数据;所述天线数据包括所述目标小区中目标终端的信号、所述候选小区中所述第一候选终端对所述目标终端的干扰信号和其他干扰信号;
所述目标基站从所述第一候选终端对目标终端的干扰信号的强度最高的第一候选终端开始,依据所述第一候选终端对目标终端的干扰信号,在天线数据中去除所述第一候选终端对目标终端的干扰信号,以消除所述第一候选终端对所述目标终端的邻区干扰。
通过上述技术方案,基站控制设备获得第一候选终端,并向目标基站发送第一候选终端的用户信息,这样,目标基站就能够获得属于邻区的终端的用户信息,从而可以利用用户信息和对消技术,消除邻区的终端对本小区中终端的干扰信号。
【附图说明】
为了更清楚地说明本发明实施例的技术方案,下面将对实施例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性的前提下,还可以根据这些附图获得其它的附图。
图1是本发明实施例所提供的基站控制设备的功能方块图;
图2是本发明实施例所提供的邻区干扰的消除系统的结构示意图;
图3是本发明实施例所提供的基站控制设备的功能方块图;
图4是本发明实施例所提供的基站的功能方块图;
图5是本发明实施例所提供的基站的结构示意图;
图6是本发明实施例所提供的邻区干扰的消除方法一的流程示意图;
图7是本发明实施例所提供的邻区干扰的消除方法二的流程示意图。
【具体实施方式】
为了更好的理解本发明的技术方案,下面结合附图对本发明实施例进行详细描述。
应当明确,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它实施例,都属于本发明保护的范围。
本发明实施例给出一种基站控制设备,请参考图1,其为本发明实施例所提供的基站控制设备的功能方块图;如图所示,该基站控制设备包括:
处理单元10,用于确定第一候选终端;
发送单元11,用于向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对所述目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
上述基站控制设备中,所述处理单元10具体用于:获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号参数;依据测量的所述下行接收信号参数大于预设的参数阈值的所述第二候选终端,确定所述第一候选终端。
举例说明,基站控制设备的处理单元10获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号参数,依据测量的所述下行接收信号参数大于预设的参数阈值的所述第二候选终端,确定所述第一候选终端,可以包括:
请参考图2,其为本发明实施例所提供的邻区干扰的消除系统的结构示意图,如图所示,基站控制设备的处理单元10向每个候选小区中的候选基站发送测量指示消息,该测量指示消息中包括测量类型和目标小区的标识,所述测量类型可以为下行接收信号参数,例如,下行接收信号参数可以包括下行导频接收功率;所述目标小区的标识可以预先配置在基站控制设备的处理单元10中;所述候选小区为目标小区的邻区,一个目标小区可以对应至少一个候选小区,每个候选小区所属的基站为候选基站,每个候选小区中有至少一个第二候选终端。
如图2所示,候选基站接收该测量指示消息,然后向每个第二候选终端发送该测量指示消息;每个第二候选终端在收到测量指示消息后,依据目标小区的标识和测量类型,进行目标小区的下行接收信号参数的测量,以获得测量结果。第二候选终端将测量到的目标小区的下行接收信号参数发送给候选基站,再由候选基站将目标小区的下行接收信号参数转发给基站控制设备的处理单元10。
基站控制设备的处理单元10接收每个候选基站上报的目标小区的下行接收信号参数,从而获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号参数;然后基站控制设备的处理单元10将获得的下行接收信号参数与预设的参数阈值进行比较,将测量的目标小区的下行接收信号参数大于参数阈值的第二候选终端,作为第一候选终端,也就是说,第一候选终端是基站控制设备的处理单元10利用参数阈值对第二候选终端进行筛选后获得的,第一候选终端是可能对目标小区中的目标终端产生邻区干扰的终端。
上述基站控制设备中,所述处理单元10具体用于:依据所有候选小区中所有第二候选终端,确定所述第一候选终端。
具体的,基站控制设备的处理单元10依据所有候选小区中所有第二候选终端,确定所述第一候选终端,包括:如图2所示,基站控制设备的处理单元10可以不需要对第二候选终端进行筛选,而是将所有候选小区中所有第二候选终端都作为第一候选终端。
上述基站控制设备中,所述处理单元10具体用于:接收候选小区中候选基站发送的第一候选终端;所述第一候选终端为所述候选基站获得的,且所述第一候选终端为测量所述目标小区的上行信号强度大于预设的参数阈值的第二候选终端。
举例说明,基站控制设备的处理单元10接收候选小区中候选基站发送的第一候选终端;所述第一候选终端为所述候选基站获得的,且所述第一候选终端为测量所述目标小区的上行信号强度大于预设的参数阈值的第二候选终端,可以包括:
如图2所示,基站控制设备的处理单元10向每个候选小区中的候选基站发送测量指示消息,该测量指示消息中包括测量类型和目标小区的标识,所述测量类型可以为上行信号强度。
如图2所示,候选基站接收该测量指示消息,然后向每个第二候选终端发送该测量指示消息;每个第二候选终端在收到测量指示消息后,依据目标小区的标识和测量类型,进行目标小区的上行信号强度的测量,以获得测量结果;第二候选终端将测量到的目标小区的上行信号强度发送给候选基站。
候选基站可以接收到第二候选终端的上行信号强度,然后将获得的上行信号强度与预设的参数阈值进行比较,将上行信号强度大于参数阈值的第二候选终端,作为第一候选终端;每个候选基站将选出的第一候选终端的标识发送给基站控制设备的处理单元10,基站控制设备的处理单元10接收候选小区中候选基站发送的第一候选终端的标识,以确定第一候选终端。
其中,基站控制设备的发送单元11向目标基站发送所述第一候选终端的用户信息,包括:如图2所示,基站控制设备的发送单元11依据处理单元10确定的第一候选终端,在本地预先存储的用户信息中,获得第一候选终端的用户信息,然后利用链路建立请求(RL_SETUP_REQ)消息向目标小区所属的目标基站发送第一候选终端的用户信息。其中,第一候选终端的用户信息可以包括第一候选终端的物理参数和业务数据,所述物理参数包括时隙格式、扰码等。
本发明实施例中,基站控制设备可以为通用分组无线服务技术(General Packet Radio Service,GPRS)中的无线网络控制器(Radio Network Controller,RNC)等。
请参考图3,其为本发明实施例所提供的一种基站控制设备的结构示意图。如图所示,该基站控制设备包括:
存储器30,用于存储包括程序例程的信息;
处理器31,与存储器30、发射器32分别耦合,用于控制所述程序例程的执行,具体包括:确定第一候选终端;
发射器32,用于向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对所述目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
本发明实施例给出一种基站,所述基站为上述目标基站;请参考图4,其为本发明实施例所提供的基站的功能方块图;如图所示,该基站包括:
接收单元40,用于接收基站控制设备发送的第一候选终端的用户信息,所述第一候选终端为所述基站控制设备确定的;
处理单元41,用于依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号;
消除单元42,用于在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
上述基站中,所述基站的处理单元41具体用于:
依据所述第一候选终端的用户信息,利用为所述第一候选终端预留的搜索资源,搜索所述第一候选终端的信号,以获得所述第一候选终端的第一信号信息;
对所述第一信号信息进行解调,以获得所述第一候选终端的第二信号信息;
依据所述第二信号信息进行所述第一候选终端的信号重构,以获得所述第一候选终端对所述目标终端的干扰信号。
举例说明,处理单元41依据所述第一候选终端的用户信息,利用为所述第一候选终端预留的搜索资源,搜索所述第一候选终端的信号,以获得所述第一候选终端的第一信号信息,可以包括:基站的处理单元41接收基站控制设备发送的第一候选终端的用户信息,依据第一候选终端的用户信息,并利用为第一候选终端预留的搜索资源,搜索第一候选终端的信号,获得第一候选终端的第一信号信息。其中,基站可以预先为第一候选终端预留搜索资源,待收到第一候选终端的用户信息后,就可以直接利用搜索资源搜索第一候选终端的信号,所述搜索资源可以为时域资源。所述第一信号信息可以包括第一候选终端的信号相位、时延等信息。
其中,基站的处理单元41对所述第一信号信息进行解调,以获得所述第一候选终端的第二信号信息,包括:对第一信号信息进行解调,获得第一候选终端的数据格式,所述数据格式就是第二信号信息。
举例说明,基站的处理单元41依据所述第二信号信息进行所述第一候选终端的信号重构,以获得所述第一候选终端对所述目标终端的干扰信号,可以包括:所述第二信号信息为第一候选终端的数据格式,对该数据格式进行调制,可以获得第一候选终端的信号,即重构出第一候选终端的信号,该第一候选终端的信号为第一候选终端对目标终端的干扰信号。
举例说明,基站的消除单元42具体用于:通过射频天线接收无线信号,然后对天线信号进行模数转换,获得天线数据;所述天线数据可以包括目标小区中目标终端的信号、候选小区中第一候选终端对目标终端的干扰信号以及其他干扰信号;消除单元42首先依据处理单元41获得的第一候选终端对目标终端的干扰信号的强度,对第一候选终端进行排序,强度越高的第一候选终端的排名越靠前且对消处理优先级越高,强度越低的第一候选终端的排名越靠后且对消处理优先级越低;然后,消除单元42从强度最高的第一候选终端开始,进行干扰信号的对消处理。其中,对消处理的方法可以包括:依据处理单元41获得的第一候选终端的对目标终端的干扰信号,在天线数据中去除该干扰信号,以消除第一候选终端对目标终端的邻区干扰。
请参考图5,其为本发明实施例所提供的一种基站的结构示意图。如图所示,该基站包括:
接收器50,用于接收基站控制设备发送的第一候选终端的用户信息,所述第一候选终端为所述基站控制设备确定的;
存储器51,用于存储包括程序例程的信息;
处理器52,与接收器50、存储器51分别耦合,用于控制所述程序例程的执行,具体包括:依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号;在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
本发明实施例进一步给出实现上述设备实施例中各设备的方法实施例。
本发明实施例给出一种邻区干扰的消除方法,请参考图6,其为本发明实施例所提供的邻区干扰的消除方法一的流程示意图,是图1所示的基站控制设备的具体处理流程;如图所示,该方法包括以下步骤:
步骤601,基站控制设备确定第一候选终端。
具体的,本发明实施例中,基站控制设备确定第一候选终端的方法包括以下三种:
第一种:所述基站控制设备获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号强度;依据测量的所述下行接收信号强度大于预设的参数阈值的所述第二候选终端,确定所述第一候选终端。
第二种:所述基站控制设备依据所有候选小区中所有第二候选终端,确定所述第一候选终端。
第三种:所述基站控制设备接收候选小区中候选基站发送的第一候选终端;所述第一候选终端为所述候选基站获得的,且所述第一候选终端为测量的上行信号强度大于预设的参数阈值的第二候选终端。
其中,所述第一候选终端属于候选小区,所述目标终端属于所述目标小区,所述目标小区属于目标基站,所述候选小区为目标小区的邻区。
步骤602,所述基站控制设备向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对所述目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
请参考图7,其为本发明实施例所提供的邻区干扰的消除方法二的流程示意图,是图3所示的基站的具体处理流程;如图所示,该方法包括以下步骤:
步骤701,目标基站接收基站控制设备发送的第一候选终端的用户信息,所述第一候选终端为所述基站控制设备确定的。
步骤702,所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号。
具体的,首先,基站依据所述第一候选终端的用户信息,利用为所述第一候选终端预留的搜索资源,搜索所述第一候选终端的信号,以获得所述第一候选终端的第一信号信息;其中,基站可以预先为第一候选终端预留搜索资源,待收到第一候选终端的用户信息后,就可以直接利用搜索资源搜索第一候选终端的信号,所述搜索资源可以为时域资源。所述第一信号信息可以包括第一候选终端的信号相位、时延等信息。
然后,基站对第一信号信息进行解调,获得第一候选终端的数据格式,所述数据格式就是第二信号信息。
最后,所述第二信号信息为第一候选终端的数据格式,基站对该数据格式进行调制,可以获得第一候选终端的信号,即重构出第一候选终端的信号,该第一候选终端的信号为第一候选终端对目标终端的干扰信号。
步骤703,所述目标基站在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
具体的,目标基站通过射频天线接收无线信号,然后对天线信号进行模数转换,获得天线数据,天线数据包括本小区中目标终端的信号、邻区中第一候选终端对目标终端的干扰信号和其他干扰信号。
目标基站首先依据获得的第一候选终端对目标终端的干扰信号的强度,对第一候选终端进行排序,强度越高的第一候选终端的排名越靠前且对消处理优先级越高,强度越低的第一候选终端的排名越靠后且对消处理优先级越低。
目标基站从强度最高的第一候选终端开始,进行干扰信号的对消处理,对消处理的方法是:依据获得的第一候选终端的对目标终端的干扰信号,在天线数据中去除该干扰信号,以消除第一候选终端对目标终端的邻区干扰。
本发明实施例的上述技术方案,可以支持的业务类型包括基于专用物理控制信道(Dedicated Physical Control Channel,DPCCH)或者专用物理数据信道(Dedicated Physical Data Channel,DPDCH)的语音业务、基于DPCCH、增强专用物理控制信道(Enhance Dedicated Physical Control Channel,EDPCCH)或者增强专用物理数据信道(Enhance Dedicated Physical Data Channel,EDPDCH)的高速上行链路分组接入(High Speed Uplink Packet Access,HSUPA)业务以及基于DPCCH或者上行高速专属实体控制通道(High-Speed Dedicated Physical Control CHannel, HS-DPCCH)的高速下行分组接入(High Speed Downlink Packet Access,HSDPA)业务。
本发明实施例提供的技术方案中,由基站控制设备获得第一候选终端,并向目标基站发送第一候选终端的用户信息,这样,目标基站就能够获得属于邻区的终端的用户信息,从而可以利用用户信息和对消技术,消除邻区的终端对本小区中终端的干扰信号,从而可以提升本小区的系统容量。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,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,均应包含在本发明保护的范围之内。

Claims (14)

  1. 一种基站控制设备,其特征在于,所述基站控制设备包括:
    处理单元,用于确定第一候选终端;
    发送单元,用于向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
  2. 根据权利要求1所述的基站控制设备,其特征在于,所述处理单元具体用于:
    获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号参数;
    依据测量的所述下行接收信号参数大于预设的参数阈值的所述第二候选终端,确定所述第一候选终端。
  3. 根据权利要求1所述的基站控制设备,其特征在于,所述处理单元具体用于:依据所有候选小区中所有第二候选终端,确定所述第一候选终端。
  4. 根据权利要求1所述的基站控制设备,其特征在于,所述处理单元具体用于:
    接收所述候选小区中候选基站发送的第一候选终端的标识;所述第一候选终端为所述候选基站获得的,且所述第一候选终端为测量所述目标小区的上行信号强度大于预设的参数阈值的第二候选终端。
  5. 一种基站,其特征在于,所述基站包括:
    接收单元,用于接收基站控制设备发送的第一候选终端的用户信息,所述第一候选终端为所述基站控制设备确定的;
    处理单元,用于依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号;
    消除单元,用于在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
  6. 根据权利要求5所述的基站,其特征在于,所述处理单元具体用于:
    依据所述第一候选终端的用户信息,利用为所述第一候选终端预留的搜索资源,搜索所述第一候选终端的信号,以获得所述第一候选终端的第一信号信息;
    对所述第一信号信息进行解调,以获得所述第一候选终端的第二信号信息;
    依据所述第二信号信息进行所述第一候选终端的信号重构,以获得所述第一候选终端对所述目标终端的干扰信号。
  7. 根据权利要求5或6所述的基站,其特征在于,所述消除单元具体用于:
    对通过射频天线接收的无线信号进行模数转换,以获得天线数据;所述天线数据包括所述目标小区中目标终端的信号、所述候选小区中所述第一候选终端对所述目标终端的干扰信号和其他干扰信号;
    从所述第一候选终端对目标终端的干扰信号的强度最高的第一候选终端开始,依据所述第一候选终端对目标终端的干扰信号,在天线数据中去除所述第一候选终端对目标终端的干扰信号,以消除所述第一候选终端对所述目标终端的邻区干扰。
  8. 一种邻区干扰的消除方法,其特征在于,所述方法包括:
    基站控制设备确定第一候选终端;
    所述基站控制设备向目标基站发送所述第一候选终端的用户信息,以便于所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,以及在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
  9. 根据权利要求8所述的方法,其特征在于,所述基站控制设备确定第一候选终端,包括:
    所述基站控制设备获得所有候选小区中所有第二候选终端测量的所述目标小区的下行接收信号参数;
    所述基站控制设备依据测量的所述下行接收信号参数大于预设的参数阈值的所述第二候选终端,确定所述第一候选终端。
  10. 根据权利要求8所述的方法,其特征在于,所述基站控制设备确定第一候选终端,包括:
    所述基站控制设备依据所有候选小区中所有第二候选终端,确定所述第一候选终端。
  11. 根据权利要求8所述的方法,其特征在于,所述基站控制设备确定第一候选终端,包括:
    所述基站控制设备接收所述候选小区中候选基站发送的第一候选终端的标识;所述第一候选终端为所述候选基站获得的,且所述第一候选终端为测量的所述目标小区的上行信号强度大于预设的参数阈值的第二候选终端。
  12. 一种邻区干扰的消除方法,其特征在于,所述方法包括:
    目标基站接收基站控制设备发送的第一候选终端的用户信息,所述第一候选终端为所述基站控制设备确定的;
    所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号;
    所述目标基站在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰;所述第一候选终端属于候选小区,所述候选小区为属于所述目标基站的目标小区的邻区。
  13. 根据权利要求12所述的方法,其特征在于,所述目标基站依据所述第一候选终端的用户信息,获得所述第一候选终端的干扰信号,包括:
    所述目标基站依据所述第一候选终端的用户信息,利用为所述第一候选终端预留的搜索资源,搜索所述第一候选终端的信号,以获得所述第一候选终端的第一信号信息;
    所述目标基站对所述第一信号信息进行解调,以获得所述第一候选终端的第二信号信息;
    所述目标基站依据所述第二信号信息进行所述第一候选终端的信号重构,以获得所述第一候选终端对所述目标终端的干扰信号。
  14. 根据权利要求12或13所述的方法,其特征在于,所述目标基站在天线数据中去除所述干扰信号,以消除所述第一候选终端对目标终端的邻区干扰,包括:
    所述目标基站对通过射频天线接收的无线信号进行模数转换,以获得天线数据;所述天线数据包括所述目标小区中目标终端的信号、所述候选小区中所述第一候选终端对所述目标终端的干扰信号和其他干扰信号;
    所述目标基站从所述第一候选终端对目标终端的干扰信号的强度最高的第一候选终端开始,依据所述第一候选终端对目标终端的干扰信号,在天线数据中去除所述第一候选终端对目标终端的干扰信号,以消除所述第一候选终端对所述目标终端的邻区干扰。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4184179A1 (en) 2021-11-17 2023-05-24 Uniks S.r.l. Apparatus for measuring loop impedance and corresponding method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102123401A (zh) * 2011-01-17 2011-07-13 大唐移动通信设备有限公司 一种确定同频小区的方法和设备
CN102238582A (zh) * 2010-04-23 2011-11-09 电信科学技术研究院 一种确定邻区干扰的方法、系统和装置
CN103024751A (zh) * 2011-09-26 2013-04-03 华为技术有限公司 干扰控制方法和设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9246541B2 (en) * 2008-02-01 2016-01-26 Qualcomm Incorporated UTRAN enhancements for the support of inter-cell interference cancellation
US20100238888A1 (en) * 2009-03-19 2010-09-23 Qualcomm Incorporated Systems, apparatus and methods for interference management in wireless networks
JP6050028B2 (ja) * 2012-05-25 2016-12-21 シャープ株式会社 端末、基地局、通信方法及び集積回路
EP2866489A4 (en) * 2012-07-17 2015-08-05 Huawei Tech Co Ltd METHOD, NODE AND SYSTEM FOR UPLINK INTERFERENCE MANAGEMENT

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102238582A (zh) * 2010-04-23 2011-11-09 电信科学技术研究院 一种确定邻区干扰的方法、系统和装置
CN102123401A (zh) * 2011-01-17 2011-07-13 大唐移动通信设备有限公司 一种确定同频小区的方法和设备
CN103024751A (zh) * 2011-09-26 2013-04-03 华为技术有限公司 干扰控制方法和设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4184179A1 (en) 2021-11-17 2023-05-24 Uniks S.r.l. Apparatus for measuring loop impedance and corresponding method

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