WO2017054618A1 - Procédé de traitement de brouillage, station de base et équipement de réseau - Google Patents

Procédé de traitement de brouillage, station de base et équipement de réseau Download PDF

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Publication number
WO2017054618A1
WO2017054618A1 PCT/CN2016/097950 CN2016097950W WO2017054618A1 WO 2017054618 A1 WO2017054618 A1 WO 2017054618A1 CN 2016097950 W CN2016097950 W CN 2016097950W WO 2017054618 A1 WO2017054618 A1 WO 2017054618A1
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Prior art keywords
base station
user equipment
measurement
interference
configuration information
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PCT/CN2016/097950
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English (en)
Chinese (zh)
Inventor
胡丽洁
韩璐
夏亮
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中国移动通信集团公司
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Publication of WO2017054618A1 publication Critical patent/WO2017054618A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present disclosure relates to interference processing technologies in the field of wireless communications, and in particular, to an interference processing method, a base station, and a network device.
  • LTE Long Term Evolution
  • adjacent cells are co-located, so there will be co-channel interference.
  • the user equipment User Equipment, UE located at the edge of the cell receives interference from the downlink transmission of the neighboring base station when receiving downlink data of the local cell, and the uplink transmission of the user is transmitted. Less power has less interference to neighboring cells.
  • LTE-A Long Term Evolution Advanced
  • heterogeneous networks are used to improve system throughput and overall network efficiency. As network density and network heterogeneity continue to increase, users are increasingly exposed to interference.
  • NAICS Network Assisted Interference Cancellation and Suppression
  • some base stations in the network may change the uplink and downlink configuration, and the transmission in the opposite direction to other base stations occurs, thereby causing the terminal.
  • the downlink data of the serving cell it may be interfered by the uplink transmission data of the adjacent terminal, and the interference of the terminal to the terminal cannot be eliminated by the above NAICS technology.
  • the present disclosure provides an interference processing method, a base station, and a network device, which can solve at least the above problems in the related art.
  • the embodiment of the present disclosure provides an interference processing method, which is applied to a first base station, and includes:
  • the first user equipment that controls the self-management detects the measurement signal initiated by the second user equipment in the measurement time slot, and acquires the measurement result fed back by the first user equipment, based on the configuration information of the measurement signal;
  • the embodiment of the present disclosure further provides an interference processing method, which is applied to a second base station, and the method includes:
  • the embodiment of the present disclosure further provides an interference processing method, which is applied to a network device, and the method includes:
  • Transmitting the measurement resource and the measurement time slot to a second base station so that the second base station is based on the measurement resource and configuration information of a measurement signal of a second user equipment for which the measurement time slot is managed, and causes the
  • the first user equipment managed by the first base station detects the measurement signal initiated by the second user equipment at the measurement time slot based on the configuration information of the measurement signal, and obtains the measurement result.
  • the embodiment of the present disclosure further provides a base station, including:
  • a communication unit configured to acquire measurement resources and measure time slots
  • a measurement configuration unit configured to acquire configuration information of a measurement signal configured by the second base station for the second user equipment managed by the second base station; and based on the configuration information of the measurement signal, control the first user equipment managed by the first user equipment in the measurement time slot Detecting a measurement signal initiated by the second user equipment, and acquiring a measurement result fed back by the first user equipment;
  • the interference processing unit is configured to determine, according to the measurement result fed back by the first user equipment, the target user equipment, and perform interference processing on the target user equipment.
  • the embodiment of the present disclosure provides a base station, where the base station includes:
  • a receiving unit configured to receive measurement resources and measurement time slots sent by the first base station
  • a configuration unit configured to determine, according to the measurement resource, configuration information of a measurement signal corresponding to the second user equipment that is managed by the second user equipment;
  • a sending unit configured to feed back configuration information of the measurement signal to the first base station; and send configuration information of the measurement signal and a measurement time slot to the second user equipment.
  • the embodiment of the present disclosure provides a network device, including:
  • a management unit configured to determine a measurement resource for the first base station and the measurement time slot according to the target cell list reported by the first base station;
  • a communication unit configured to send the measurement resource and the measurement time slot to the first base station; and send the measurement resource and the measurement time slot to a second base station.
  • the interference processing method, the base station, and the network device provided by the disclosure can determine the measurement signal based on the measurement time slot and the second base station for the second user equipment, and control the measurement result reported by the first user equipment that is managed by the user, and the reported result. Determining, by the measurement result, the target interference device of the first user equipment, performing interference processing on the target interference device. In this way, it is possible to locate the source of the strong interference and assist in the interference deletion between the terminals. Since the solution provided by the present disclosure is the interference processing performed on the target user equipment, the related base station reduces the neighboring base stations by scheduling. Compared with the interference scheme, it is possible to ensure that the user equipment avoids interference of the traffic channel and the control channel.
  • FIG. 1 is a schematic flowchart 1 of an interference processing method according to an embodiment of the present disclosure
  • FIG. 2 is a second schematic flowchart of an interference processing method according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a scenario of an embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart 3 of an interference processing method according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic flowchart 4 of an interference processing method according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic flowchart 5 of an interference processing method according to an embodiment of the present disclosure.
  • FIG. 7 is a first schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 8 is a second schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • the embodiment of the present disclosure provides an interference processing method, which is applied to a first base station, as shown in FIG. 1, and includes:
  • Step 11 Acquire measurement resources and measure time slots
  • Step 12 Acquire configuration information of a measurement signal configured by the second base station for the second user equipment managed by the second base station;
  • Step 13 Based on the configuration information of the measurement signal, the first user equipment that is controlled by the first user equipment detects the measurement signal initiated by the second user equipment in the measurement time slot, and obtains the measurement result fed back by the first user equipment.
  • Step 14 Determine, according to the measurement result fed back by the first user equipment, the target user equipment, and perform interference processing on the target user equipment.
  • the measurement resource and the measurement time slot may be obtained in the following manners:
  • the target cell list may be determined by the first base station based on the interference cell information reported by the at least one first user equipment that is managed by the first base station, and then the measurement resource and the measurement time slot are determined based on the target cell list;
  • the network device determines the measurement resource and the measurement time slot according to the target cell list reported by the first base station, and sends the determined measurement resource and the measurement time slot to the first base station. .
  • the embodiment of the present disclosure provides an interference processing method, which is applied to a first base station, as shown in FIG. 2, and includes:
  • Step 21 Determine a target cell list based on the interference cell information reported by the first user equipment, where the target cell list includes at least one second base station, and the second base station is at least one with the first base station. Base stations with different signal transmission directions on the subframe;
  • Step 22 Configure measurement resources and measurement time slots for at least one second base station in the target cell list, send the measurement resources, and measure time slots to the at least one second base station, so that the second base station is based on the The measurement resource and the measurement time slot configure a measurement signal for the second user equipment managed by the measurement time slot, and feed back configuration information of the measurement signal to the first base station;
  • Step 23 Based on the configuration information of the measurement signal, the first user equipment that is controlled by the first user equipment detects the measurement signal initiated by the second user equipment in the measurement time slot, and obtains the measurement result fed back by the first user equipment.
  • Step 24 Determine, according to the measurement result fed back by the first user equipment, the target user equipment, and perform interference processing on the target user equipment.
  • the first user equipment is a user equipment managed by the first base station; in addition, it can be understood that the number of the first user equipments managed by the first base station is at least one.
  • the manner in which the first user equipment acquires the interfering cell information may be: when the first user equipment is in the coverage cell of the first base station, detecting a signal sent by the first base station, if the first When the signal sent by the at least one second base station outside the base station is used, the detected signal transmitted by the at least one second base station is used as the interference signal; the cell covered by the second base station corresponding to the interference signal is used as the interference cell; and the interference of the second base station is determined. Whether the signal strength is greater than the first threshold or higher than the preset value of the useful signal of the first base station, and if yes, determining that the information corresponding to the interference cell corresponding to the second base station is reported as the interference cell information;
  • the information that is detected by the second base station may be a synchronization signal of the second base station or a pilot signal sent by the second base station, and the like.
  • the information corresponding to the interference cell may include: an interference cell.
  • the cell identifier, part or all of the information such as the identity of the base station, the interference strength, and the like.
  • the determining the target cell list based on the interference cell information reported by the first user equipment may include: acquiring, according to the interference cell information reported by the first user equipment, the interference cell corresponding to the first base station a summary list; determining a target cell list based on the interference cell summary list; the second base station is a base station that generates interference to the first user equipment managed by the first base station; in this embodiment, the actual number of the second base station is not To be limited, the second base station may be one or more.
  • the determining the target cell list based on the aggregated list of the interference cells may include:
  • the target cell list may be one or at least multiple. If the target cell list is one, the target cell list may include a number corresponding to multiple subframes, and at least one corresponding to each subframe. Second base station. If there are multiple target cell lists, then each target cell list is for only one subframe, and only the number of the subframe and its corresponding at least one second base station are recorded.
  • the target cell list corresponding to different subframes may be different, and different measurement time slots and measurement resources need to be configured for different subframes.
  • the signal transmission direction characterization signal is an uplink transmission or a downlink transmission.
  • the signal transmission direction is different from the signal direction of the at least one subframe of the first base station, and the signal transmission direction is uplink (U) at the fourth subframe 31 allocated by the first base station, correspondingly, At the fourth subframe 31 allocated by the second base station, the signal transmission direction is downlink (D); that is, at the fourth time slot 31, the subframe signal transmission direction of the first base station and the second base station is different, and vice versa. Also, no more details are given here.
  • the measurement resource is configured for the second base station in the target cell list, which may be: Configuring measurement resources for all second base stations included in the target cell list.
  • the configuration measurement resource is: allocating mutually orthogonal measurement resources to at least one second base station in the target cell list.
  • the mutually orthogonal resources may be at least one of the following: the time domain orthogonal resources, the frequency domain orthogonal resources, and the code domain orthogonal resources. For example, there are 5 base stations in the target cell list. If the orthogonal resources are orthogonal to the frequency domain, and each base station is 20 MHz co-frequency transmission, 4 MHz in 20 M is configured for each base station, and the configuration information is sent to this. 5 base stations.
  • the measurement time slot may be a time slot set according to an actual situation.
  • the measurement time slot may be located in a different transmission direction from the first base station, and does not appear in the same transmission direction.
  • the measurement time slot may be located in subframe 3 and subframe 4 in FIG.
  • the period of the measurement time slot may be determined by the network device on the network side or may be determined by the first base station, and may be determined according to the uplink and downlink configuration of the first base station, the mobile situation of the user in the serving cell, and the like.
  • the second base station may allocate measurement sub-resources to the at least one second user equipment, respectively. If the frequency domain resource allocated to the second base station is 4 MHz, the second base station may separately set different orthogonalities for different second user equipments.
  • the sub-resources for example, the plurality of second user equipments use orthogonal time domains within the 4 MHz frequency domain resources of the second base station (eg, located on different Orthogonal Frequency Division Multiplexing (OFDM) symbols) or codes. Orthogonal reference signals for domains (using different orthogonal codeword sequences) or frequency domains (using different frequency domain REs).
  • OFDM Orthogonal Frequency Division Multiplexing
  • the measurement signal in this embodiment may be: a reference signal in the related art (for example, a cell-specific reference signal (CRS), a channel state information reference signal (CSI-RS). ), one of the Demodulation Reference Signals (DMRS) or other newly defined reference signals that can be used for signal measurement.
  • a reference signal in the related art for example, a cell-specific reference signal (CRS), a channel state information reference signal (CSI-RS).
  • CSI-RS channel state information reference signal
  • DMRS Demodulation Reference Signals
  • the configuration information of the measurement signal is configuration information of the resource capable of uniquely identifying the measurement signal, and may include a sequence number of the measurement signal, a sequence shift, a time-frequency position of the transmitted resource, a port number, and the like, or a parameter or a combination of parameters indicating the measurement signal.
  • the measurement result may include at least: configuration information of the measurement signal whose measured signal strength is greater than a certain threshold.
  • the first user equipment is based on the measured signal strength measured on the measurement resource configuration indicated by the first base station, and when the strength is greater than a certain threshold, the configuration reference signal is configured The information is fed back to the first base station.
  • step 24 the determining, by the first user equipment, that the target user equipment is: the first base station determines, according to the configuration information of the measurement signal included in the measurement result fed back by the first user equipment, the first The second base station where the target user equipment that the user equipment generates the interference sends the configuration information of the measurement signal to the corresponding second base station, so that the second base station determines the target user that causes the interference according to the configuration information of the measurement signal. device;
  • the first base station determines the target user equipment according to the configuration information of the measurement signal included in the measurement result fed back by the first user equipment, and the configuration information of the measurement signal and the user equipment.
  • the method for performing the interference processing in the embodiment may be: selecting to avoid scheduling the interfered UE or the interfering UE in the same resource, or sending the required configuration information to the interfered UE for interference deletion.
  • the measurement signal can be determined for the second user equipment based on the measurement time slot, and the second base station is configured to control the measurement result reported by the first user equipment that is managed by the first user equipment, and the measurement result is reported, and the measurement result is determined based on the measurement result.
  • the target interference device of the first user equipment performs interference processing on the target interference device. In this way, it is possible to locate the source of the strong interference and assist in the interference deletion between the terminals. Since the solution provided by the present disclosure is the interference processing performed on the target user equipment, the related base station reduces the neighboring base stations by scheduling. Compared with the interference scheme, it is possible to ensure that the user equipment avoids interference of the traffic channel and the control channel.
  • This embodiment provides an example of interference processing, as shown in FIG.
  • Step 401 In the normal time slot, the UE i measures the cell list Ai with strong neighboring cell signal strength, and feeds back to the first base station of the serving cell.
  • the first base station of the serving cell aggregates the list of interfering cells reported by the UE in the service range into a list.
  • Step 402 The first base station determines, according to the UL/DL configuration of the neighboring cell and the interfering cell list B reported by the first user equipment, that the interfering cell list B reported by the first user equipment is in the downlink subframe.
  • a target cell list C is generated for the cell of the uplink subframe.
  • Step 403 The first base station coordinates the cell of the second base station in the target cell list C to use the orthogonal resource M1 to schedule the cell to send the interference measurement signal, and sends the coordinated orthogonal resource result to the target cell list C.
  • the second base station corresponding to the cell, the orthogonal resources may be the same
  • the time domain of the time slot is measured, the frequency domain, and the code domain are orthogonal. For example, there are 5 base stations in the target cell list C. If the orthogonal resources are orthogonal in the frequency domain, and each base station is 20 MHz intra-frequency transmission, configure 4 MHz in 20 M for each base station, and send the configuration information to the target.
  • a cell in cell list C ;
  • Step 404 The second base station, according to the resource M1 configured by the first base station, and the local cell signal measurement information reported by the at least one second user equipment in the serving cell, is at least one of the measured values below a certain threshold.
  • the second user equipment configures the orthogonal measurement signal sub-resource in the resource of the M1 (the measurement signal sub-resource transmitted by the at least one second user equipment may be a code domain, a time domain, a frequency domain orthogonal, or a code domain, a time domain
  • the frequency domain is combined with the orthogonality; and the configuration of the measurement signal is fed back to the first base station, and the configuration of the measurement signal is also indicated to the corresponding second user equipment.
  • the second base station may also configure other second user equipments in the cell to perform normal service transmission.
  • Step 405 The first base station sends the corresponding measurement signal configuration to the first user equipment according to the strong interfering cell reported by the at least one first user equipment; for example, the UEi measured by the i-th first user equipment measures the signal strength of the neighboring area.
  • the cell list Ai transmits the measurement signal configuration of the cell in the cell list Ai that belongs to the target cell list C to the first user equipment.
  • the measurement configuration may include a sequence number of the measurement signal, a sequence shift, a transmitted resource time-frequency location, a port number, and the like, or a parameter or combination of parameters that may identify the measurement signal.
  • Step 406 In the measurement time slot, the second user equipment configured with the orthogonal measurement signal in the cell that is requested to send the measurement signal sends the measurement signal.
  • the first user equipment in the first base station that feeds back the strong interference list completes the measurement in the measurement time slot, and feeds back the measurement configuration corresponding to the strong interference (which may be one or more strong interferences) to the first base station;
  • Step 407 The first base station determines, according to the measurement configuration fed back by the first user equipment, which second or second base station the interference corresponding to the first user equipment is from, and feeds back the strong interference measurement signal configuration fed back by the first user equipment to the corresponding Second base station;
  • Step 408 The second base station determines, according to the measurement signal configuration, which second or second user equipment of the current cell causes strong interference to the first user equipment of the first base station, and the second base station is in the uplink of the current base station and the downlink subframe of the first base station, if Dispatching the second user equipment, the scheduling configuration information of the scheduled second user equipment is sent to the first base station;
  • Step 409 The first base station may choose to avoid scheduling the interfered UE on the same resource or will need The scheduling configuration information is sent to the interfered UE for interference deletion.
  • the measurement time slots need to be configured. These measurement time slots are located in different subframes of the uplink and downlink ratios of the base station, and do not appear in the same transmission direction.
  • the specific measurement time slot may be enabled by the network control node when a cell with different uplink and downlink configurations is present in the network, or may be enabled by a base station that changes the time slot ratio, and the configuration of the measurement time slot needs to be notified.
  • the period of the measurement slot can be determined by the network, and is determined according to the uplink and downlink configuration of each base station, the movement of the user in the serving cell, and the like.
  • the measurement time slot is configured by the base station in the uplink subframe to transmit measurement information on the corresponding resource, and the part of the user in the downlink subframe performs measurement. In the measurement time slot, other users who are not configured to send measurement information and perform measurements can also perform normal transmission.
  • the embodiment of the present disclosure provides an interference processing method, which is applied to a second base station, as shown in FIG. 5, and includes:
  • Step 501 Receive measurement resources and measure time slots.
  • Step 502 Determine, according to the measurement resource, configuration information of a measurement signal corresponding to the second user equipment that is managed by the UE, and feed back configuration information of the measurement signal to the first base station, so that the first base station The configuration information of the measurement signal and the measurement time slot are sent to the first user equipment;
  • Step 503 Send configuration information of the measurement signal and a measurement time slot to the second user equipment, so that the second user equipment sends a measurement signal in the measurement time slot according to the configuration information, where the measurement signal is used.
  • the first user equipment is configured to detect the measurement signal initiated by the second user equipment at the measurement time slot based on the configuration information of the measurement signal, and obtain the measurement result.
  • the first user equipment is a user equipment managed by the first base station; in addition, it can be understood that the number of first user equipments managed by the first base station is at least one.
  • the configuration measurement resource is: allocating mutually orthogonal measurement resources to at least one second base station in the target cell list.
  • the mutually orthogonal resources may be at least one of the following: the time domain orthogonal resources, the frequency domain orthogonal resources, and the code domain orthogonal resources.
  • the determining the configuration information of the measurement signal corresponding to the second user equipment that is managed by the user equipment includes: determining, by the at least one second user equipment that is managed by itself, the measurement sub-resource of the corresponding measurement signal.
  • the configuration information of the measurement signal may include a sequence number of the measurement signal, a sequence shift, a time-frequency position of the transmitted resource, a port number, and the like, or a parameter or a combination of parameters indicating the measurement signal. That is, the second base station may allocate measurement sub-resources to the at least one second user equipment, respectively, assuming that the frequency domain is allocated to the second base station.
  • the resource is 4 MHz. Then, the second base station can separately set different frequency domain sub-resources for different second user equipments, and one of the second user equipments can use 0.5Mhz in 4 MHz to send measurement signals.
  • the measurement signal can be determined for the second user equipment based on the measurement time slot, and the second base station is configured to control the measurement result reported by the first user equipment that is managed by the first user equipment, and the measurement result is reported, and the measurement result is determined based on the measurement result.
  • the target interference device of the first user equipment performs interference processing on the target interference device. In this way, it is possible to locate the source of the strong interference and assist in the interference deletion between the terminals. Since the solution provided by the present disclosure is the interference processing performed on the target user equipment, the related base station reduces the neighboring base stations by scheduling. Compared with the interference scheme, it is possible to ensure that the user equipment avoids interference of the traffic channel and the control channel.
  • the embodiment of the present disclosure provides an interference processing method, which is applied to a network device, as shown in FIG. 6, and includes:
  • Step 61 Determine, according to the target cell list reported by the first base station, measurement resources for the first base station and the measurement time slot.
  • Step 62 Send the measurement resource and the measurement time slot to the first base station
  • Step 63 Send the measurement resource and the measurement time slot to the second base station, so that the second base station is based on the measurement resource and the configuration information of the measurement signal of the second user equipment for which the measurement time slot is managed, and The first user equipment managed by the first base station detects the measurement signal initiated by the second user equipment at the measurement time slot based on the configuration information of the measurement signal, and obtains the measurement result.
  • step 62 and the step 63 may be performed at the same time, or the step 62 may be performed before the step 62 is performed; or the step 62 may be performed before the step 63 is performed.
  • the embodiment may further include: determining, according to the interference cell information reported by the first user equipment, the target cell list, where the target cell list includes at least one second base station.
  • the measurement signal can be determined for the second user equipment based on the measurement time slot, and the second base station is configured to control the measurement result reported by the first user equipment that is managed by the first user equipment, and the measurement result is reported, and the measurement result is determined based on the measurement result.
  • the target interference device of the first user equipment performs interference processing on the target interference device. In this way, it is possible to locate the source of strong interference and assist in the interference deletion between the terminals; since the solution provided by the present disclosure is the interference to the target user equipment. Therefore, compared with the scheme in the related art that reduces interference of neighboring base stations by scheduling, it is possible to ensure interference of the user equipment from the traffic channel and the control channel.
  • the embodiment of the present disclosure provides a base station, as shown in FIG. 7, including:
  • a communication unit 73 configured to acquire measurement resources and measure time slots
  • the measurement configuration unit 72 is configured to acquire configuration information of a measurement signal configured by the second base station for the second user equipment managed by the second base station; and based on the configuration information of the measurement signal, control the first user equipment that is managed by the user equipment during the measurement Detecting the measurement signal initiated by the second user equipment, and acquiring the measurement result fed back by the first user equipment;
  • the interference processing unit 74 is configured to determine, according to the measurement result fed back by the first user equipment, the target user equipment, and perform interference processing on the target user equipment.
  • the base station may further include: a list generating unit 71, configured to determine, according to the interference cell information reported by the first user equipment, a target cell list, where the target cell list includes at least one second base station;
  • the second base station is a base station that is different in signal transmission direction from the first base station in at least one subframe;
  • a measurement configuration unit 72 configured to configure a measurement resource and a measurement time slot for at least one second base station in the target cell list
  • the communication unit 73 is configured to send the measurement resource and the measurement time slot to the at least one second base station, and send configuration information of the measurement signal and a measurement time slot to the first user equipment, so that the first user
  • the device detects the measurement signal initiated by the second user equipment at the measurement time slot based on the configuration information of the measurement signal, and obtains the measurement result;
  • the interference processing unit 74 is configured to determine a target user equipment based on the measurement result fed back by the first user equipment, and perform interference processing on the target user equipment.
  • the first user equipment is a user equipment managed by the base station; in addition, it can be understood that the number of the first user equipments managed by the first base station is at least one.
  • the manner in which the first user equipment acquires the interfering cell information may be that when the first user equipment is in the coverage cell of the first base station, the signal sent by the first base station is detected, and if And detecting, by the at least one second base station, a signal sent by the at least one second base station as an interference signal; and using the acquired interference signal and the corresponding cell covered by the second base station as the interference cell information.
  • the detecting the second base station sends
  • the signal to be sent may be a synchronization signal of the second base station or a pilot signal sent by the second base station, and the like is not described herein.
  • the list generating unit 71 is configured to obtain, according to the interference cell information reported by the first user equipment, a summary list of the interference cells corresponding to the first base station, and determine a target cell based on the aggregated list of the interference cells. List.
  • the list generating unit 71 is configured to: extract, according to the aggregated cell summary list, a base station list of the interfering cell corresponding to the first base station; acquire a subframe signal transmission direction configured by the first base station; In the list, the second base station that is different from the signal transmission direction of the at least one subframe of the first base station is selected, and the selected second base station is added to the target cell list.
  • the list generating unit 71 is configured to: extract, according to the aggregated cell summary list, a base station list of the interfering cell corresponding to the first base station; and select, according to the base station list, the signal with the first base station in each subframe. And at least one second base station having different transmission directions; and recording the number of the subframe and the at least one second base station different from the first base station signal transmission direction in the subframe to the target cell list.
  • the target cell list may be one or at least multiple. If the target cell list is one, the target cell list may include a number corresponding to multiple subframes, and at least one corresponding to each subframe. Second base station. If there are multiple target cell lists, then each target cell list is for only one subframe, and only the number of the subframe and its corresponding at least one second base station are recorded.
  • the target cell list corresponding to different subframes may be different, and different measurement time slots and measurement resources need to be configured for different subframes.
  • the resource configuration unit 72 is specifically configured to configure measurement resources for all second base stations included in the target cell list.
  • the configuration measurement resource is: allocating mutually orthogonal measurement resources to at least one second base station in the target cell list.
  • the interference processing unit in the embodiment is specifically configured to determine, according to the configuration information of the measurement signal included in the measurement result that is fed back by the first user equipment, the second base station where the target user equipment that generates interference to the first user equipment is located. Transmitting the configuration information of the measurement signal to the corresponding second base station, so that the second base station determines, according to the configuration information of the measurement signal, the target user equipment that causes the interference;
  • the measurement signal can be determined for the second user equipment based on the measurement time slot, and the second base station is configured to control the measurement result reported by the first user equipment that is managed by the first user equipment, and the measurement result is reported, and the measurement result is determined based on the measurement result.
  • the target interference device of the first user equipment performs interference processing on the target interference device. In this way, it is possible to locate the source of the strong interference and assist in the interference deletion between the terminals. Since the solution provided by the present disclosure is the interference processing performed on the target user equipment, the related base station reduces the neighboring base stations by scheduling. Compared with the interference scheme, it is possible to ensure that the user equipment avoids interference of the traffic channel and the control channel.
  • the base station includes:
  • the receiving unit 81 is configured to receive the measurement resource and the measurement time slot;
  • the configuration unit 82 is configured to determine, according to the measurement resource, configuration information of a measurement signal corresponding to the second user equipment that is managed by itself;
  • the sending unit 83 is configured to feed back configuration information of the measurement signal to the first base station, and send configuration information of the measurement signal and a measurement time slot to the second user equipment.
  • the first user equipment is a user equipment managed by the first base station; in addition, it can be understood that the number of first user equipments managed by the first base station is at least one.
  • the configuration measurement resource is: allocating mutually orthogonal measurement resources to at least one second base station in the target cell list.
  • the mutually orthogonal resources may be at least one of the following: the time domain orthogonal resources, the frequency domain orthogonal resources, and the code domain orthogonal resources.
  • the configuration unit 82 is specifically configured to determine a measurement sub-resource of the corresponding measurement signal for the at least one second user equipment that is managed by itself.
  • the measurement configuration may include a sequence number of the measurement signal, a sequence shift, a time-frequency position of the transmitted resource, a port number, and the like, or a parameter or a combination of parameters indicating the measurement signal. That is, the second base station may allocate measurement sub-resources to the at least one second user equipment, respectively. If the frequency domain resource allocated to the second base station is 4 MHz, the second base station may separately set different second user equipments. The frequency domain sub-resource can send a measurement signal to one of the second user equipments using 0.5 Mhz in 4 MHz.
  • the solution provided by the present disclosure is the interference processing performed on the target user equipment, the related base station reduces the neighboring base stations by scheduling. Compared with the interference scheme, it is possible to ensure that the user equipment avoids interference of the traffic channel and the control channel.
  • the embodiment of the present disclosure provides a network device, as shown in FIG. 9, including:
  • the management unit 91 is configured to determine, according to the target cell list reported by the first base station, measurement resources for the first base station and the measurement time slot;
  • the communication unit 92 is configured to send the measurement resource and the measurement time slot to the first base station, and send the measurement resource and the measurement time slot to a second base station.
  • the management unit may further include: determining, according to the interference cell information reported by the first user equipment, the target cell list, where the target cell list includes at least one second base station.
  • the measurement signal can be determined for the second user equipment based on the measurement time slot, and the second base station is configured to control the measurement result reported by the first user equipment that is managed by the first user equipment, and the measurement result is reported, and the measurement result is determined based on the measurement result.
  • the target interference device of the first user equipment performs interference processing on the target interference device. In this way, it is possible to locate the source of the strong interference and assist in the interference deletion between the terminals. Since the solution provided by the present disclosure is the interference processing performed on the target user equipment, the related base station reduces the neighboring base stations by scheduling. Compared with the interference scheme, it is possible to ensure that the user equipment avoids interference of the traffic channel and the control channel.
  • the integrated modules described in the embodiments of the present disclosure may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solution of the embodiments of the present disclosure may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, base station, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present disclosure.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
  • embodiments of the present disclosure are not limited to any Specific hardware and software combinations.

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

Abstract

La présente invention concerne un procédé de traitement de brouillage, une station de base et un équipement de réseau. Le procédé de traitement de brouillage consiste : à acquérir une ressource de mesure et un créneau temporel de mesure ; à acquérir des informations de configuration d'un signal de mesure configuré par une seconde station de base pour gérer un second équipement utilisateur de celui-ci ; sur la base des informations de configuration du signal de mesure, à commander un premier équipement utilisateur autogéré pour détecter, dans le créneau temporel de mesure, le signal de mesure envoyé par le second équipement utilisateur, et à acquérir un résultat de mesure renvoyé par le premier équipement utilisateur ; sur la base du résultat de mesure renvoyé par le premier équipement utilisateur, à déterminer un équipement utilisateur cible, et à effectuer un traitement de brouillage sur l'équipement utilisateur cible.
PCT/CN2016/097950 2015-09-28 2016-09-02 Procédé de traitement de brouillage, station de base et équipement de réseau WO2017054618A1 (fr)

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CN109391973B (zh) * 2017-08-14 2022-06-07 中国移动通信有限公司研究院 一种交叉链路干扰测量方法、设备和计算机可读存储介质
CN110891301B (zh) 2018-09-10 2021-08-24 维沃移动通信有限公司 一种信道测量方法、终端设备和网络侧设备
CN111278119B (zh) * 2019-01-04 2024-04-19 维沃移动通信有限公司 干扰处理方法、基站及终端

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