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WO2016112732A1 - Procédé de traitement de brouillage de spectre de fréquences, station de base gsm et station de base lte - Google Patents

Procédé de traitement de brouillage de spectre de fréquences, station de base gsm et station de base lte Download PDF

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Publication number
WO2016112732A1
WO2016112732A1 PCT/CN2015/093595 CN2015093595W WO2016112732A1 WO 2016112732 A1 WO2016112732 A1 WO 2016112732A1 CN 2015093595 W CN2015093595 W CN 2015093595W WO 2016112732 A1 WO2016112732 A1 WO 2016112732A1
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Prior art keywords
interfered
gsm
interference
base station
indication information
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English (en)
Chinese (zh)
Inventor
苗婷
刘星
高音
谢峰
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks

Definitions

  • This application relates to, but is not limited to, wireless communication technologies.
  • LTE Long Term Evolution
  • the LTE system with the transmission rate includes the following implementation modes: 1) lending the downlink idle spectrum of the GSM system to the LTE frequency division multiplexing (FDD) downlink, and lending the uplink idle spectrum of the GSM system to the LTE FDD uplink; 2) Lending the downlink idle spectrum of the GSM system to time division LTE (TD-LTE); 3) lending the uplink idle spectrum of the GSM system to TD-LTE; 4) lending the uplink and downlink idle spectrum of the GSM system to TD-LTE. It can be seen that the uplink idle spectrum of the GSM system can be borrowed for LTE FDD uplink or TD-LTE.
  • FDD frequency division multiplexing
  • FIG. 1 is a schematic diagram of the GSM spectrum idleness unevenness of the related art. As shown in FIG. 1, it is assumed that 890 to 900 MHz is the spectrum of the GSM system in the area A and the area B. In the area A, the GSM system is greatly reduced due to the large number of users of the GSM system. The 5MHz spectrum of 895-900MHz in the spectrum is gradually idle; while the number of GSM system users in area B changes less, so the spectrum of the GSM system in area B is not idle.
  • the uplink idle spectrum of the GSM system is 895-900 MHz and is used for uplink use of the LTE FDD cell A in the area A near the area B, it overlaps with 898 MHz in the uplink frequency point of the GSM cell B in the area B close to the area A, due to
  • the signal power spectral density of the GSM system is much larger than the signal power spectral density of LTE, so the uplink of the GSM cell B may cause serious interference to the uplink of the LTE FDD cell A; the solid line in the figure indicates Useful signals, dashed lines indicate interference signals.
  • the uplink idle spectrum of the GSM system is 895-900 MHz and is used by the TD-LTE cell A in the area A near the area B
  • the uplink of the GSM cell B may also cause serious interference to the TD-LTE cell A.
  • the method of processing interference is to plan a buffer zone between the area A and the area B, and the GSM system and the LTE system in the buffer zone cannot use the uplink idle spectrum of the GSM system.
  • This paper provides a method for implementing spectrum interference processing, a GSM base station and an LTE base station, which can solve the uplink interference problem while utilizing spectrum resources.
  • a method for implementing spectrum interference processing comprising:
  • the LTE base station transmits the interfered indication information to the GSM base station, so that the GSM base station performs interference processing according to the interfered indication information.
  • the method before sending the interfered indication information, the method further includes:
  • the LTE base station determines the interfered indication information according to the uplink interference condition of each cell.
  • the interfered indication information includes:
  • the interfered frequency range includes: an initial frequency and a termination frequency of the LTE cell being interfered; or a center frequency of the LTE cell and the interfered Physical resource block PRB number; the method further includes:
  • the interfered indication information includes an interfered cell location
  • the interfered cell location packet The location of the interfered LTE base station, and/or the location of the interfered LTE cell receive antenna, and/or the location of the interfered LTE user equipment; the method further includes:
  • the interference-generating GSM frequency point includes: a center frequency point of the GSM frequency that generates the interference; or an absolute channel number ARFCN of the GSM frequency that generates the interference.
  • performing interference processing according to the interfered indication information includes: adjusting a frequency point set of the GSM cell; or
  • sending the interfered indication information to the GSM base station includes:
  • the LTE base station sends the interfered indication information to the GSM base station through the core network element; and/or,
  • the LTE base station sends the interfered indication information to the GSM base station by using the network management network element; and/or,
  • the LTE base station sends the interfered indication information to the GSM base station through a direct interface; and/or,
  • the LTE base station transmits the interfered indication information to the GSM base station through the centralized control node.
  • the method further includes:
  • the LTE base station receives a response message that the GSM base station performs interference processing according to the interference indication information.
  • the response message includes an indication of whether to take the operation, and/or an identification of the operation.
  • a method for implementing spectrum interference processing comprising: receiving, by a GSM base station, interference indication information sent by an LTE base station;
  • the GSM base station performs interference processing based on the interfered indication information.
  • the method further includes:
  • the GSM base station determines the CGI of the interference source GSM cell according to the interfered frequency range and the interfered cell location in the interfered indication information, and generates an interference GSM frequency point; or
  • the GSM base station determines the CGI of the interference source GSM cell according to the interference generated GSM frequency point and the interfered cell position in the interfered indication information, and generates an interference GSM frequency point; or
  • the GSM base station determines the CGI of the interference source GSM cell according to the uplink high interference indication HII or the uplink overload indication OI in the interfered indication information, and the location of the interfered cell, and generates an interference GSM frequency point.
  • performing interference processing according to the interfered indication information includes:
  • the GSM base station adjusts a frequency point set of the GSM cell according to the interfered indication information
  • the method further includes:
  • the GSM base station sends a response message to the LTE base station for performing interference processing according to the interfered indication information.
  • the response message includes an indication of whether to take the operation, and/or an identification of the operation.
  • An LTE base station that implements spectrum interference processing includes: a sending unit, configured to: send the interfered indication information to the GSM base station, so that the GSM base station performs interference processing according to the interfered indication information.
  • the LTE base station further includes a determining unit, configured to: before the sending unit sends the interfered indication information, determine the interfered indication information according to the uplink interference condition of each cell.
  • the sending unit is set to,
  • the interfered indication information is sent to the GSM base station by the centralized control node.
  • the LTE base station further includes a receiving response unit, configured to: receive a response message that the GSM base station performs interference processing according to the interfered indication information.
  • a GSM base station for implementing spectrum interference processing, comprising: a receiving unit and a processing unit; wherein
  • the receiving unit is configured to: receive the interfered indication information sent by the LTE base station;
  • the processing unit is configured to: perform interference processing according to the interfered indication information.
  • the GSM base station further includes an analyzing unit, configured to: after the receiving unit receives the interfered indication information,
  • the processing unit is set to,
  • the processing unit is further configured to send, to the LTE base station, a response message that performs interference processing according to the interfered indication information.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above.
  • the technical solution of the present application includes: the LTE base station sends the interference indication information to the GSM base station, so that the GSM base station performs interference processing according to the interfered indication information.
  • the GSM base station performs interference processing according to the interfered indication information by transmitting the interfered information to the GSM base station, and avoids spectrum interference while utilizing the GSM idle spectrum.
  • FIG. 1 is a schematic diagram of a related art GSM spectrum idle unevenness
  • FIG. 2 is a flowchart of a method for implementing spectrum interference processing according to an embodiment of the present invention
  • FIG. 3 is a flowchart of another method for implementing spectrum interference processing according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of an LTE base station implementing spectrum interference processing according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a GSM base station implementing spectrum interference processing according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of interaction of transmitting interfered indication information according to the first embodiment of the present invention.
  • FIG. 7 is a schematic diagram of interaction of transmitting interfered indication information according to a second embodiment of the present invention.
  • FIG. 8 is a schematic diagram of interaction of transmitting interfered indication information according to a third embodiment of the present invention.
  • FIG. 9 is a schematic diagram of interaction of transmitting interfered indication information according to a fourth embodiment of the present invention.
  • FIG. 10 is a schematic diagram of interaction of transmitting interfered indication information according to a fifth embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for implementing spectrum interference processing according to an embodiment of the present invention. As shown in FIG. 2, the method includes:
  • Step 201 The LTE base station sends the interference indication information to the GSM base station, so that the GSM base station performs interference processing according to the interfered indication information.
  • the interfered indication information is information describing the uplink interference condition of the LTE cell; the LTE transmitting the interfered indication information to the GSM base station is directed to the network element that can perform the interference processing to send the interfered indication information, such as a GSM base station controller.
  • the interfered indication information includes:
  • CGI Cell Global Identity
  • the interfered frequency range includes: a starting frequency and a stopping frequency of the LTE cell being interfered; or a center frequency of the LTE cell and a PRB number of the interfered physical resource block; the method further includes:
  • the GSM base station determines the GSM frequency point at which the interference occurs according to the interfered frequency range
  • the interfered cell location includes: a location of the interfered LTE base station, and/or a location of the interfered LTE cell receive antenna, and/or a location of the interfered LTE user equipment; Also includes:
  • the GSM base station determines the GSM cell that generated the interference according to the location of the interfered cell;
  • the GSM frequency at which the interference occurs includes: the center frequency of the GSM frequency that produces the interference; or the absolute channel number (ARFCN) of the GSM frequency that produces the interference.
  • ARFCN absolute channel number
  • interference processing can be performed;
  • the interference processing can be directly performed based on the information contained in the GSM frequency point that generates the interference and the CGI of the GSM cell that generates the interference.
  • the uplink high interference indication and the uplink overload indication in the interfered indication information are standardized measurement quantities defined in the LTE protocol TS36.423, and are not described herein again.
  • performing interference processing according to the interfered indication information includes: adjusting a frequency point set of the GSM cell; or
  • the information about the interference indication sent to the GSM base station includes the following methods:
  • the LTE base station sends the interfered indication information to the GSM base station through the core network element; and/or,
  • the LTE base station sends the interfered indication information to the GSM base station by using the network management network element; and/or,
  • the LTE base station sends the interfered indication information to the GSM base station through a direct interface; and/or,
  • the LTE base station transmits the interfered indication information to the GSM base station through the centralized control node.
  • the method of the embodiment of the present invention further includes the step 200,
  • Step 200 The LTE base station determines the interfered indication information according to the uplink interference condition of each cell.
  • the LTE base station receives a response message that the GSM base station performs interference processing according to the interference indication information.
  • the response message includes whether to take an identification of the operation, and/or an identification of the operation.
  • the identifier of the operation and the identifier of the operation are not set, and may be set to any letter, number or text for distinguishing whether to take the operation, etc., which is not limited herein; for example, it may be set to indicate that when the identifier is 1, the operation is taken, when the identifier is When 0, it means no action.
  • the identifier of the operation may be set to any letter, number or text for distinguishing different operations, etc.; for example, it may be set to indicate that no operation is taken when the identifier is 0, and the operation taken is power control when the identifier is 1.
  • the identifier When the identifier is 2, it indicates that the frequency of the interference generated by the GSM cell is removed, and when the identifier is 3, it indicates that the operation is to only schedule the user equipment located at the center of the GSM cell at the GSM frequency point where the interference occurs.
  • FIG. 3 is a flowchart of another method for implementing spectrum interference processing according to an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • Step 300 The GSM base station receives the interfered indication information sent by the LTE base station.
  • Step 301 The GSM base station performs interference processing according to the interfered indication information.
  • performing interference processing according to the interfered indication information includes:
  • the GSM base station adjusts the frequency point set of the GSM cell according to the interference indication information
  • the method of the embodiment of the present invention further includes: determining, by the GSM base station, the CGI of the interference source GSM cell according to the interfered frequency range and the location of the interfered cell in the interfered indication information, and generating the interference GSM frequency Point; or,
  • the GSM base station determines the CGI of the interference source GSM cell according to the interference generated GSM frequency point and the interfered cell position in the interference indication information, and generates an interference GSM frequency point; or
  • the GSM base station determines the CGI of the interference source GSM cell according to the uplink high interference indication (HII) or the uplink overload indication (OI) in the interfered indication information, and the location of the interfered cell, and generates an interference GSM frequency point.
  • HII uplink high interference indication
  • OI uplink overload indication
  • the GSM base station transmits a response message to the LTE base station for performing interference processing according to the interference indication information.
  • the response message includes whether to take an identification of the operation, and/or an identification of the operation.
  • FIG. 4 is a structural block diagram of an LTE base station that implements spectrum interference processing according to an embodiment of the present invention, including: a sending unit 41, configured to: send interference indication information to a GSM base station, so that the GSM base station performs interference processing according to the interfered indication information. .
  • the sending unit 41 is set to,
  • the interfered indication information is sent to the GSM base station by the centralized control node.
  • the LTE base station of the embodiment of the present invention further includes a determining unit 42 configured to: before the transmitting unit 41 sends the interfered indication information, determine the interfered indication information according to the uplink interference condition of each cell.
  • the LTE base station of the embodiment of the present invention further includes a receiving response unit 43 configured to: receive a response message that the GSM base station performs interference processing according to the interfered indication information.
  • FIG. 5 is a structural block diagram of a GSM base station for implementing spectrum interference processing according to an embodiment of the present invention. As shown in FIG. 5, the method includes a receiving unit 51 and a processing unit 52.
  • the receiving unit 51 is configured to: receive the interfered indication information sent by the LTE base station;
  • the processing unit 52 is configured to perform interference processing according to the interference indication information.
  • Processing unit 52 is configured to
  • the GSM base station of the embodiment of the present invention further includes an analyzing unit 53 configured to: after the receiving unit 51 receives the interfered indication information, determine the interference source GSM according to the interfered frequency range and the interfered cell location in the interfered indication information.
  • the CGI of the cell which produces interference GSM frequencies; or,
  • the CGI of the interference source GSM cell is determined according to the uplink high interference indication HII or the uplink overload indication OI in the interference indication information, and the location of the interfered cell, and the GSM frequency of the interference is generated.
  • the processing unit 52 is further configured to send a response message to the LTE base station for performing interference processing according to the interfered indication information.
  • BCCH Broadcast Control Channel
  • TCH Traffic Channel
  • an eNB (Evolved Node B) is used as an LTE base station, and the spectrum bandwidth is 5 MHz, and the frequency range is 895 MHz to 900 MHz.
  • FIG. 6 is a schematic diagram of interaction of transmitting interference indication information according to the first embodiment of the present invention, wherein the core network elements of the LTE system and the GSM system are respectively a Mobility Management Entity (MME) and a GPRS service support node (Serving GPRS). Support Node, SGSN). As shown in Figure 6, it includes:
  • Step 600 The eNB sends the interference indication information to the GSM base station controller (BSC).
  • the forwarding process includes the eNB transmitting the interference indication information to the MME, and the MME forwards the information to the SGSN, and the SGSN forwards the information to the BSC.
  • the eNB may determine the uplink interfered cell and the received signal quality according to the uplink signal quality of the current working frequency band of the cell (for example, the uplink signal to noise ratio of the physical resource block) or the uplink signal power of the physical resource block. Interference frequency range.
  • the interference indication information hypothesis includes: the interference frequency range is 897.77MHz to 898.13MHz, and the location of the interfered cell is (43 degrees east longitude, 56 degrees north latitude).
  • Step 601 After receiving the interference indication information, the BSC determines the GSM cell that generates the interference and the frequency of the interference, and performs interference processing.
  • the ARFCN is 39 and 40 respectively, and the corresponding center frequencies are 897.8MHz and 898MHz, respectively.
  • the 897.8MHz frequency point is not the working frequency of the GSM cell under the BSC.
  • the frequency point is excluded, so the frequency of the interference is 898 MHz, and then the cell global identifier of the GSM cell using the 898 MHz frequency point and closest to the location of the victim cell is determined, and the result is that the GSM cell CGI2 is the interference source cell. .
  • the BSC combines the current load situation of CGI2, and the load of the CGI2 cell is not too heavy. It is decided to remove the 898MHz frequency point from the frequency point set of the CGI2 cell, that is, the CGI2 cell is not allowed to use the frequency point, so as to avoid uplink interference to the LTE cell.
  • Step 602 The BSC sends the response message of the interference processing to the eNB, where the forwarding process includes: the BSC sends the response message of the interference processing to the SGSN, and the SGSN forwards the message to the MME, and the MME forwards the message to the eNB.
  • the response message includes whether the identifier of the operation is taken as 1, that is, the operation is taken, and the identifier of the operation is 2, that is, the operation taken is to delete the frequency point at which the interference occurs.
  • the BSC can take no action.
  • the BSC can also determine the power adjustment amount of the CGI2 cell user equipment according to the actual situation, and perform power control on the CGI2 cell user equipment, for example, 0.5 dB as the adjustment amount, and reduce the transmission power of the CGI2 cell user equipment, or the BSC allows the CGI2 cell to be used.
  • the base station BTS Base Transceiver Station
  • the path of the interference indication information transmission is: eNB->S-GW->SGSN->BSC, and the response message is transmitted.
  • the path is the opposite.
  • the interference frequency range is 897.77 MHz to 898.13 MHz, which is represented by the starting frequency and the ending frequency.
  • the interfered frequency range can also be represented by the center frequency of the LTE cell and the interfered physical resource block PRB number.
  • the interference frequency range is: the center frequency is 987.5MHz, and the interfered PRB numbers are: 15 and 16.
  • FIG. 7 is a schematic diagram of interaction of transmitting interference indication information according to a second embodiment of the present invention.
  • the network management network element of the LTE system is an Element Management System (EMS) and a Network Management System (NMS).
  • EMS Element Management System
  • NMS Network Management System
  • the network management network elements of the GSM system are EMS2 and NMS2, as shown in Figure 7, including:
  • Step 700 the eNB sends the interference indication information to the BSC, and the EMS1, NMS1, NMS2, and EMS2 are transmitted during the transmission of the interference indication information;
  • the eNB Before transmitting the interfered indication information, the eNB determines that the interfered frequency range is 895.97 MHz to 896.15 MHz according to the uplink IoT (Interference over Thermal Noise) information of the current working frequency band of the cell, that is, the fifth physical resource block is seriously interfered.
  • the GSM frequency in this frequency range is 896MHz, and the corresponding ARFCN is 30.
  • IoT Interference over Thermal Noise
  • the interfered indication information includes: the location of the interfered cell is (43 degrees east longitude, 50 degrees north latitude), the ARFCN of the GSM frequency point that generates interference is 30, and the power adjustment amount of the recommended GSM user equipment is 2 dB.
  • Step 701 After receiving the interfered indication information, the BSC determines the GSM cell that generates the interference, and takes a corresponding interference processing operation.
  • the BSC determines that the GSM cell that generates interference according to the location of the GSM cell using the frequency of the ARFCN of 30 and the location of the interfered cell is CGI3, that is, CGI3 is the interference source cell.
  • the BSC performs power control on the user equipment according to the recommended power adjustment amount of the GSM user equipment, that is, the transmission power of the user equipment of the CGI3 cell using the ARFCN frequency of 30 is reduced by 2 dB, so as to avoid small LTE.
  • the area generates uplink interference.
  • Step 702 The BSC sends the response message of the interference processing to the eNB, and the response message is sequentially forwarded by the EMS2, the NMS2, the NMS1, and the EMS1, and then sent to the eNB.
  • the response message includes the identifier of the operation being 1, that is, the operation taken is power control.
  • the interfered indication information may not include the recommended GSM user equipment power adjustment amount.
  • the BSC may perform other operations according to the current load condition of the CGI3: for example, if the CGI3 load is light
  • the BSC can delete the frequency of the ARFCN of the CGI3 to 30. If the load of the CGI3 is heavy, the BSC can take no measures.
  • the eNB can adopt other methods to avoid the interference of the CGI3 cell, for example, in the interfered frequency band.
  • the user equipment is scheduled or only the user equipment of the cell center is scheduled, or the BSC allows the GSM base station to schedule only the user equipment located in the cell center of the CGI2 at the frequency of the interference generation 898 MHz. It should be noted that the response message needs to be changed according to the operation taken. .
  • the path of the interference indication information transmission is: eNB->EMS->NMS of LTE (NMS common to both systems)->EMS->BSC of GSM;
  • the interference indication information transmission may not pass through the NMS, and the path is: eNB->EMS (EMS common to both systems)->BSC;
  • the interference indication information transmission may not pass through the NMS, and the path is: eNB->EMS of the LTE->EMS->BSC of the GSM;
  • the delivery path of the response message is exactly the opposite of the delivery path of the interfered indication information.
  • FIG. 8 is a schematic diagram of the interaction of transmitting the intercepted indication information according to the third embodiment of the present invention.
  • the present embodiment provides a new interface between the eNB and the BSC for transmitting the interfered indication information, as shown in FIG.
  • Step 800 The eNB sends the interfered indication information to the BSC.
  • the eNB Before transmitting the interfered indication information, the eNB determines that the uplink interfered frequency ranges from 895.97 MHz to 896.15 MHz according to the uplink OI information of the current working frequency band of the cell, that is, the fifth physical resource block is seriously interfered. The eNB learns the neighboring GSM cell CGI3 according to the neighbor relationship list. The 896MHz frequency is just within the interference frequency range.
  • the interfered indication information includes: the GSM frequency point for generating interference is 896 MHz, and the CGI of the GSM cell generating interference is CGI3.
  • Step 801 After receiving the interfered indication information, the BSC performs corresponding interference processing.
  • the BSC determines that the BTS only schedules the user equipment located at the center of the CGI3 cell at the frequency of the interference 896 MHz, thereby reducing the uplink interference of the CGI3 cell to the LTE cell.
  • Step 802 The BSC sends a response message of the interference processing to the eNB.
  • the response message includes whether the identity of the action taken is 1, that is, the operation is taken.
  • the BSC can also perform other operations according to the current load situation of the CGI3: for example, if the CGI3 load is light, the BSC can delete the 896 MHz frequency of the CGI3, if The load of CGI3 is heavy, and the BSC can take no measures.
  • the eNB can adopt other methods to avoid the interference of the CGI3 cell. For example, the user equipment is not scheduled in the interfered frequency band, and it should be noted that the response message needs to be taken according to the The operation changes accordingly.
  • FIG. 9 is a schematic diagram of the interaction of transmitting the intercepted indication information according to the fourth embodiment of the present invention.
  • the schematic diagram of the LTE base station transmitting the interfered indication information to the BSC through the Centralized Control Point (CCP) in this embodiment is as shown in FIG. :
  • Step 900 the eNB sends the interfered indication information to the CCP, and the CCP forwards the information to the BSC;
  • the eNB Before transmitting the interfered indication information, the eNB determines that the uplink interfered frequency ranges from 897.77 MHz to 897.95 MHz according to the uplink interference (HII) information of the current working frequency band of the cell, and the eNB learns the adjacent GSM cell CGI3 according to the neighbor relationship list.
  • the 897.8MHz frequency is located within the interference frequency range, and the ARFCN at 897.8MHz is 39.
  • the interfered indication information includes: the ARFCN of the GSM frequency point that generates the interference is 39, and the CGI of the GSM cell that generates the interference is CGI3.
  • Step 901 After receiving the interfered indication information, the BSC performs corresponding interference processing.
  • the BSC checks the load of CGI3 and finds that the load of CGI3 is heavy.
  • the BSC does not take any measures.
  • the eNB may adopt other methods to avoid interference of the CGI3 cell, for example, not scheduling the user equipment in the interfered frequency band.
  • Step 902 The BSC sends a response message of the interference processing to the CCP, and the CCP forwards the information to the eNB.
  • the response message includes whether the identity of the taken action is 0, that is, the BSC does not take an action.
  • FIG. 10 is a schematic diagram of interaction of transmitting interference indication information according to a fifth embodiment of the present invention. As shown in FIG. 10, the method includes:
  • Step 1000 The eNB sends the interfered indication information to the BSC.
  • the interference indication information includes an uplink high interference indication HII (0000100000000010000000000), that is, the 5th and 15th physical resource blocks are high interference sensitive resource blocks, and the location of the interfered cell is 43 degrees east longitude and 50 degrees north latitude.
  • Step 1001 After receiving the interfered indication information, the BSC performs corresponding interference processing.
  • the BSC determines the GSM frequency point that generates the interference according to the HII information in the interfered indication information and the correspondence between the high interference sensitive resource block and the frequency band, and takes the fifth physical resource block as an example, and the fifth physical resource block corresponds to the fifth physical resource block.
  • the frequency range is 895.97MHz to 896.15MHz.
  • the GSM frequency in this frequency range is 896MHz, and the corresponding ARFCN is 30.
  • the GSM frequency that may interfere with the 15th physical resource block is 897.8MHz.
  • the corresponding ARFCN is 39.
  • the GSM cell in the jurisdiction that uses the 896 MHz and 897.8 MHz frequency points and is adjacent to the interfered LTE cell location is determined, and the result is that the GSM cells CGI2 and CGI3 are the interference source cells.
  • the BSC combines the current load conditions of CGI2 and CGI3.
  • the load of the two cells is not too heavy. It is decided to remove the 898MHz and 897.8MHz frequency points from the frequency set of the CGI2 and CGI3 cells respectively to avoid uplink interference to the LTE cell.
  • Step 1002 The BSC sends a response message of the interference processing to the eNB.
  • the response message includes whether the identity of the action taken is 1, that is, the operation is taken. And the identity of the operation At 2, the action taken is to remove the frequency points that may cause interference.
  • the above-mentioned frequency of interference generation is optional, that is to say, the BSC can also take other operations such as power control of the user equipment scheduled at the two frequency points, or GSM in which interference occurs.
  • the interference indication information includes the uplink overload indication OI and the interference coordination method when the location of the interfered cell is similar, and the physical interference to the high interference in the OI
  • the resource block can be operated similarly to the high-interference sensitive resource block;
  • the interference indication information can also be transmitted through the core network element, the network management network element, the centralized control node, and the like.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the GSM base station performs interference processing according to the interfered indication information by transmitting the interfered information to the GSM base station, and avoids spectrum interference while utilizing the GSM idle spectrum.

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

Abstract

L'invention concerne un procédé de traitement de brouillage de spectre de fréquences, une station de base GSM et une station de base LTE, ledit procédé comprenant la transmission, par une station de base LTE, d'informations d'indication de brouillage à une station de base GSM, de telle sorte que la station de base GSM réalise un traitement de brouillage selon lesdites informations d'indication de brouillage.
PCT/CN2015/093595 2015-01-13 2015-11-02 Procédé de traitement de brouillage de spectre de fréquences, station de base gsm et station de base lte Ceased WO2016112732A1 (fr)

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CN201510016074.9A CN105848164A (zh) 2015-01-13 2015-01-13 一种实现频谱干扰处理的方法、gsm基站及lte基站
CN201510016074.9 2015-01-13

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CN112165365A (zh) * 2020-09-29 2021-01-01 封开低频时码授时台 一种用于低频时码监测系统的无线频谱干扰监测系统及方法
CN112511479A (zh) * 2019-09-16 2021-03-16 郑州宇通客车股份有限公司 一种载波通信方法

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CN111866942B (zh) * 2019-04-30 2022-09-02 华为技术有限公司 一种通信方法及通信装置
CN118695276A (zh) * 2024-06-18 2024-09-24 北京优诺信创科技有限公司 基于多终端和多小区的通信方法、装置、介质及程序产品

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CN106255147A (zh) * 2016-10-10 2016-12-21 广州市瀚云信息技术有限公司 一种tdd‑lte系统上行干扰测试工具及测试方法
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CN112511479A (zh) * 2019-09-16 2021-03-16 郑州宇通客车股份有限公司 一种载波通信方法
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CN112165365A (zh) * 2020-09-29 2021-01-01 封开低频时码授时台 一种用于低频时码监测系统的无线频谱干扰监测系统及方法

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