WO2015096042A1 - Procédé et dispositif d'acquisition de valeur d'interférence - Google Patents

Procédé et dispositif d'acquisition de valeur d'interférence Download PDF

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Publication number
WO2015096042A1
WO2015096042A1 PCT/CN2013/090358 CN2013090358W WO2015096042A1 WO 2015096042 A1 WO2015096042 A1 WO 2015096042A1 CN 2013090358 W CN2013090358 W CN 2013090358W WO 2015096042 A1 WO2015096042 A1 WO 2015096042A1
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WIPO (PCT)
Prior art keywords
cell
standard
base station
side device
network side
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PCT/CN2013/090358
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English (en)
Chinese (zh)
Inventor
周国华
邓天乐
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2013/090358 priority Critical patent/WO2015096042A1/fr
Priority to CN201380003837.5A priority patent/CN105052186B/zh
Publication of WO2015096042A1 publication Critical patent/WO2015096042A1/fr

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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

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for acquiring interference values. Background technique
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution, Long Term Evolution
  • the base station can not accurately determine the appropriate modulation and coding mode to improve the communication speed when communicating with the user terminal equipment, resulting in low efficiency of spectrum utilization.
  • Embodiments of the present invention provide a method and apparatus for acquiring interference values, which can accurately estimate interference values between networks, so that when a base station communicates with a user terminal device, it can more accurately determine a suitable modulation and coding mode to improve communication speed and improve The efficiency of the network for the use of shared spectrum.
  • the embodiment of the present invention provides a method for acquiring an interference value, where: the network side device acquires a correspondence between an identifier of a second cell of a second system and an identifier of a second cell of the first system, and a second standard Resource occupancy information of the second cell, and a pilot measurement result reported by the user equipment UE in the first cell of the first system, where the resource occupation information of the second cell of the second system includes a transmit power of the second cell of the second system, where the first standard
  • the first cell belongs to the first standard network, and the second base station belongs to the second standard network, and the second cell belongs to the first standard network, and the second cell belongs to the first standard network, and the second cell belongs to the first standard network.
  • the base station provides a service; the first standard network shares a spectrum with the second standard network;
  • the network side device is configured according to the corresponding relationship between the transmit power of the second cell of the second system, the pilot measurement result, and the identifier of the second cell of the second system and the identifier of the second cell of the first system. Determining a first interference value of the second mode second cell to the UE.
  • the network side device is the first base station, the second base station, or the S RC.
  • the pilot measurement result The identifier of the second cell of the first system and the reference signal received power RSRP of the second cell of the first system; wherein, the network side device according to the transmit power of the second cell of the second system, the guide Determining, by the frequency measurement result, a correspondence between the identifier of the second cell of the second system and the identifier of the second cell of the first system, determining a first interference value of the second cell of the second system to the UE
  • the method specifically includes: the network side device acquiring the pilot transmit power of the second cell of the first system according to the identifier of the second cell of the first system; the network side device according to the second cell of the first system Determining, by the RS RP and the pilot transmit power of the second cell of the first system, a first path loss of the UE to the second cell of the first system; the network side device according to the second Determining
  • the second aspect of the present invention provides a network side device, including:
  • a receiving unit configured to acquire the identifier of the second cell of the second system and the second mode of the second system a corresponding relationship between the identifiers of the cells, the resource occupation information of the second cell of the second system, and the pilot measurement result reported by the UE in the first cell of the first system, where the resource occupation information of the second cell of the second system includes The transmit power of the second cell of the second system, where the first cell of the first mode belongs to the first standard network, and the second cell provides the service, and the second cell of the second mode belongs to the second standard network, and is provided by the second base station. Service, the first mode second cell belongs to the first standard network, and is served by the second base station; the first standard network shares the spectrum with the second standard network;
  • a determining unit configured to send, according to the receiving unit, the transmit power of the second system, the pilot measurement result, and the identifier of the second cell of the second system, and the second cell of the first system Corresponding relationship between the identifiers, determining a first interference value of the second system second cell to the UE.
  • the network side device is the one base station, the second base station, or the S RC.
  • the receiving unit acquires
  • the pilot measurement result includes an identifier of the second cell of the first system and an RS RP of the second cell of the first system.
  • the determining unit is specifically configured to be used according to the first mode acquired by the receiving unit.
  • the identifier of the second cell the pilot transmit power of the second cell of the first system, and according to the RS RP of the second cell of the first standard acquired by the receiving unit, and the guide of the second cell of the first standard
  • the first transmission loss is determined, and the first path loss of the UE to the second cell of the first system is determined, and the identifier of the second cell of the second system acquired by the receiving unit is compared with the second cell of the first system.
  • Corresponding relationship between the identifiers, and the first path loss determining a second path loss of the UE to the second cell of the second system, and the second mode obtained according to the receiving unit Emitter region and the second power path loss, determining a first interference value.
  • the embodiment of the present invention further provides a network side device, including: a receiver, configured to acquire a correspondence between an identifier of a second cell of a second system and an identifier of a second cell of the first system, and a second standard Resource occupancy information of the second cell, And the pilot measurement result reported by the UE in the first cell of the first system, where the resource occupation information of the second cell of the second system includes the transmit power of the second cell of the second system, where the first cell of the first mode It belongs to the first-standard network and is served by the first base station.
  • the second-standard second cell belongs to the second-standard network and is served by the second base station.
  • the first-standard second cell belongs to the first-standard network and is served by the second base station.
  • the first standard network shares a spectrum with the second standard network;
  • a processor configured to use, according to the receiver, the transmit power of the second cell of the second mode, the pilot measurement result, and the identifier of the second cell of the second system, and the second cell of the first system Corresponding relationship between the identifiers, determining a first interference value of the second system second cell to the UE.
  • the network side device includes the first base station, the second base station, or the S RC.
  • the receiver acquires
  • the pilot measurement result includes an identifier of the second cell of the first system and an RSRP of the second cell of the first system.
  • the processor is specifically configured to use the first mode acquired by the receiver.
  • the pilot transmit power of the second cell of the first system, and the RS RP of the second cell of the first system and the pilot of the second cell of the first system acquired by the receiver Transmitting power, determining a first path loss of the UE to the second cell of the first system, and determining, according to the identifier of the second cell of the second system acquired by the receiver, and the second cell of the first system Corresponding relationship between the identifiers, and the first path loss, determining a second path loss of the UE to the second cell of the second system, and the second cell according to the second mode obtained by the receiver Launch function And the second path loss, determining the first interference value.
  • An embodiment of the present invention provides a method and a device for acquiring an interference value, which are used to determine an interference value of a UE in a second cell of a first system in a first cell by using information exchange and data measurement between networks, thereby accurately estimating a network.
  • the interference value between the two increases the efficiency of the network for the shared spectrum.
  • the embodiment of the present invention provides another method for acquiring an interference value, including: acquiring, by a network side device, a correspondence between an identifier of a first cell of a second system and an identifier of a first cell of a first system, and a second The measurement information reported by the first UE in the second cell of the system and the resource occupation information of the first UE, where the resource occupation information of the first UE includes the received power of the first UE, where the first standard The first cell belongs to the first standard network, and is served by the first base station, the second cell of the second system belongs to the second standard network, and the second base station provides the service, and the second cell of the second system belongs to the second standard network, and is first The base station provides a service; the first standard network shares a spectrum with the second standard network;
  • the network side device includes the first base station, the second base station, or the S RC.
  • the measurement information includes The identifier of the second cell of the second system, the identifier of the first cell of the second system, the RS RP of the second cell of the second system, and the RS RP of the first cell of the second system;
  • the network side device determines, according to the received power of the first UE, the measurement information, and the correspondence between the identifier of the first cell of the second system and the identifier of the first cell of the first system.
  • the method for the first interference value of the first UE to the first cell of the first system specifically includes: acquiring, by the network side device, the second cell of the second system according to the identifier of the second cell of the second system a pilot transmit power; the network side device determines, according to the RSRP of the second cell of the second system and the pilot transmit power of the second cell of the second system, the first UE to the second mode a first path loss of the cell; the network side device determines a transmit power of the first UE according to the received power of the first UE and the first path loss; and the network side device is configured according to the second system And obtaining, by the identifier of the first cell, the pilot transmit power of the first cell of the second system; the network side device according to the transmit power of the first UE, the pilot transmit power
  • the embodiment of the present invention further provides a network side device, including: a receiving unit, configured to acquire a correspondence between an identifier of a first cell of a second system and an identifier of a first cell of a first system, and a second The measurement information reported by the first UE in the second cell of the system and the resource occupation information of the first UE, where the resource occupation information of the first UE includes the received power of the first UE, where the first standard
  • the first cell belongs to the first standard network, and is served by the first base station, the second cell of the second system belongs to the second standard network, and the second base station provides the service, and the second cell of the second system belongs to the second standard network, and is first The base station provides a service; the first standard network shares a spectrum with the second standard network;
  • a determining unit configured to determine, according to the received power of the first UE, the measurement information, and the identifier of the first cell of the second system and the identifier of the first cell of the first system acquired by the receiving unit Corresponding relationship, determining a first interference value of the first UE to the first cell of the first system.
  • the network side device includes the first base station, the second base station, or the S RC.
  • the receiving unit obtains
  • the measurement information includes an identifier of the second cell of the second system, an identifier of the first cell of the second system, an RS RP of the second cell of the second system, and an RS RP of the first cell of the second system.
  • the determining unit is configured to acquire, according to the identifier of the second cell of the second system acquired by the receiving unit, a pilot transmit power of the second cell of the second system, and according to the acquired by the receiving unit RS RP of the second cell of the second system and the said Determining, by the unit, the pilot transmit power of the second cell of the second system, determining the first
  • a first path loss of the UE to the second cell of the second system and determining, according to the received power of the first UE acquired by the receiving unit and the first path loss determined by the determining unit, Transmitting power of the first UE, and obtaining, according to the identifier of the second cell of the second system acquired by the receiving unit, pilot transmit power of the first cell of the second system, and determining according to the determining unit Determining the first, the transmit power of the first UE, the pilot transmit power of the first cell of the second system acquired by the determining unit, and the RS RP of the first cell of the second system acquired by the receiving unit a second interference value of the UE to the first cell of the second system, and a correspondence between the identifier of the first cell of the second system acquired by the receiving unit and the identifier of the first cell of the first system according to the receiving unit And determining, by the determining unit, the second interference value to determine the first interference value.
  • an embodiment of the present invention provides a network side device, including:
  • a receiver configured to obtain a correspondence between the identifier of the first cell of the second system and the identifier of the first cell of the first system, and the measurement information reported by the first UE in the second cell of the second system, and the first The resource occupation information of the UE, where the resource occupation information of the first UE includes the received power of the first UE, where the first cell of the first system belongs to the first standard network, and the first base station provides the service, and the second The second cell of the system belongs to the second standard network, and the second base station provides the service, and the second cell of the second mode belongs to the second standard network, and the first base station provides the service; the first standard network shares with the second standard network.
  • a processor configured to receive, according to the receiver, the received power of the first UE, the measurement information, and an identifier of the first cell of the second system and an identifier of the first cell of the first system Corresponding relationship, determining a first interference value of the first UE to the first cell of the first system.
  • the network side device includes the first base station, the second base station, or the S RC.
  • the receiver acquires The measurement information includes the second cell of the second system Identification, the identifier of the second cell of the second system, and the second cell of the second system
  • the processor is configured to acquire, according to the identifier of the second cell of the second system acquired by the receiver, a pilot transmit power of the second cell of the second system, and according to the identifier acquired by the receiver Determining, by the RS RP of the second cell of the second mode, the pilot transmit power of the second cell of the second mode acquired by the processor, determining the first path loss of the first UE to the second cell of the second system Determining, according to the received power of the first UE and the first path loss determined by the processor, the transmit power of the first UE, and the location obtained according to the receiver Obtaining, by the identifier of the first cell of the second system, the pilot transmit power of the first cell of the second system, and determining, according to the transmit power of the first UE, the processor, a pilot transmit power of the first cell of the second mode and an RSRP of the first cell of the second mode acquired by the receiver, determining a second interference value of the first UE to the first cell of the second system, and Receiving according to the
  • the embodiment of the present invention provides a method and an apparatus for acquiring an interference value, where the network side device can determine the interference value of the UE in the second cell of the second system to the first cell of the first system by using information exchange and data measurement between the networks. Therefore, the interference value between the networks can be accurately estimated.
  • the base station communicates with the user terminal device, the appropriate modulation and coding mode can be determined more accurately to improve the communication speed, thereby improving the use efficiency of the shared spectrum by the network.
  • FIG. 1 is a schematic diagram of a frequency multiplexing manner of a G S M network provided by the prior art
  • FIG. 2 is a schematic diagram of a spectrum shared by a G SM network and an L TE network provided by the prior art
  • FIG. 3 is a schematic diagram of interference during downlink according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a method for acquiring an interference value according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for acquiring an interference value according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of another method for acquiring an interference value according to an embodiment of the present invention.
  • FIG. FIG. 8 is a schematic structural diagram of a network side device according to an embodiment of the present invention;
  • FIG. 9 is a schematic structural diagram 2 of a network side device according to an embodiment of the present invention;
  • FIG. 11 is a schematic structural diagram 4 of a network side device according to an embodiment of the present invention.
  • the GSM in order to avoid mutual interference between multiple cells in the network, the GSM usually uses a multiplexing factor greater than one, that is, multiplexing frequency resources by a certain safety distance. So that the same frequency segment can be multiplexed far apart.
  • the GSM network uses a multiplexing scheme of 3 ⁇ 3, that is, the same frequency segment is multiplexed after two cells are separated.
  • a GSM network with a bandwidth of 15 MHz, according to the 3 X 3 networking mode each frequency segment has about 1.67 MHz, and the respective carrier frequency can be coordinated according to the networking requirements.
  • an LTE cell may exist in the coverage of each GSM cell, and the LTE cell also uses the spectrum resources of the GSM network.
  • the LTE cell is used in the frequency segment used by the LTE cell.
  • the GSM cell G1 and the LTE cell L1 are "co-located", indicating that two cells are served by the same base station.
  • the interference source distance of the base station providing the GSM cell service is different from the distance of the interfered LTE cell, which will cause the interference value to be very different.
  • the interference level of the same GSM cell interference source to different UEs in the same LTE cell also has a large difference.
  • the G1/L1 co-site, UE1 (User Equipment, User Equipment) in L1 is significantly more interfered by G 2 than G3, and UE 2 is significantly less interfered by G2 than G3.
  • downlink is the base station serving the cell to transmit data to the intra-cell UE) to share the spectrum, in order to enhance the accuracy of the LTE downlink scheduling, improve the performance of the link adaptation, and provide services for the L1.
  • the information that the base station needs to grasp includes: a CQI (Channel Quality Indicator) reporting situation at the time of scheduling, an estimated interference condition at the time of reporting the CQI, and an estimated TTI (Transmission Time Interval).
  • the interference condition received, and the offset value of the CQI compensation performed at the time of scheduling is calculated, so that the base station selects an appropriate modulation and coding scheme (MCS) by using the learned historical CQI plus the calculated offset value.
  • MCS modulation and coding scheme
  • the LTE cell L1 uses the uplink ("uplink" for the intra-cell UE to transmit data to the base station serving the cell) to share the spectrum, in order to enhance the accuracy of the LTE uplink scheduling and improve the link adaptation performance, it is L1.
  • the information that the base station that provides the service needs to know includes: a signal to Interference Plus Noise Ratio (SINR) measurement value at the time of scheduling, an interference condition estimated at the time of obtaining the SINR measurement value, and an estimated scheduling
  • SINR Signal to Interference Plus Noise Ratio
  • the interference condition of the TTI is calculated, and the offset value of the SINR compensation performed at the time of scheduling is calculated, so that the base station selects an appropriate MCS by using the learned historical SINR plus the calculated offset value.
  • Embodiments of the present invention describe methods and apparatus for obtaining inter-network interference values for different formats. These embodiments are generally applied to systems of different systems of the first-standard network and the second-mode network shared spectrum.
  • the first system network is a relatively new network
  • the second system network is a relatively old network, for example, a combination thereof may include one of the following:
  • the first standard network is an LTE network, and the second standard network is a GSM network; (2) the first standard network is a UMTS network, and the second standard network is a GSM network; (3) The first standard network is an LTE network, and the second standard network is a UMTS network.
  • the method for obtaining interference values provided by the embodiments of the present invention may be applied to, but not limited to, the above three old standard networks and new A combination of standard networks. That is, when the network of the update system is present, the method for obtaining the interference value provided by the embodiment of the present invention can still be applied to the combination between the existing standard network and the updated standard network.
  • Embodiments of the present invention provide a method for acquiring an interference value.
  • the first cell of the first mode belongs to the first standard network, and the first cell provides the service
  • the second cell of the second mode belongs to the second standard network, and the second cell provides the service
  • the second cell of the first system It belongs to the first standard network and is served by the second base station.
  • the second base station simultaneously provides services for cells of different standards.
  • the method may include :
  • the network side device acquires a correspondence between the identifier of the second cell of the second system and the identifier of the second cell of the first system, and resource occupation information of the second cell of the second system, and resource occupation information of the second cell of the second system.
  • the transmit power of the second cell of the second mode is included.
  • the identifier of the second cell of the second system may include a PCI (Physical Cell Identity) of the second cell of the second system.
  • the identifier of the second cell of the second system may include a PCI of the second cell of the first system.
  • the network side device acquires the pilot measurement result reported by the UE in the first cell in the first mode.
  • the network side device obtains the pilot measurement result reported by the UE, where the UE is a UE located in the first cell of the first system, and the first cell of the first system is a cell adjacent to the second cell of the first system in the first network. .
  • the network side device according to the second system, the second cell, the transmit power, and the pilot measurement And determining, by the quantity result and the correspondence between the identifier of the second cell of the second system and the identifier of the second cell of the first system, determining a first interference value of the second cell of the second mode to the UE.
  • the first interference value of the second cell of the second mode to the UE may be determined.
  • the network side device may acquire the first interference value of the second cell from the second system to the UE according to the foregoing measurement data of the second cell of the second system, so that the first base station is in the first cell of the first system.
  • the interference value and the change of the UE in the second cell of the first system in each second mode can be determined by using the historical CQI measurement for the next time when the radio access resource is allocated.
  • the compensation value is used to allocate suitable radio access resources to the UEs in the first cell of the first system.
  • the wireless access resources may be frequencies, time slots, and the like.
  • the embodiment of the present invention provides a method for acquiring an interference value, where the network side device acquires the correspondence relationship and the resource occupation information of the second cell of the second system, where the correspondence relationship includes the identifier of the second cell of the second system and the second cell of the first system.
  • the resource occupancy information of the second cell of the second system includes the transmit power of the second cell of the second system
  • the network side device acquires the pilot measurement result reported by the UE, where the UE is the first cell of the first standard
  • the UE in the network and the network side device determine the second according to the corresponding relationship between the transmit power of the second cell of the second system, the pilot measurement result, and the identifier of the second cell of the second system and the identifier of the second cell of the first system.
  • the network side device can determine the interference value of the interfered UE in the second cell of the second system from the second cell to the first cell in the first cell by using information exchange and data measurement between the networks, so that an appropriate downlink time modulation code can be selected.
  • the following is a method for obtaining an interference value according to an embodiment of the present invention, where the L TE network is the L TE network and the second system is the G SM network.
  • the L TE network and the G SM network are shared.
  • the L TE first cell and the G SM first cell are served by the first base station, and the L TE second cell and the G SM second cell are served by the second base station.
  • the method may include: S201.
  • the network side device acquires a correspondence relationship and resource occupation information of the GSM second cell.
  • the correspondence relationship may include a correspondence between the identifier of the GSM second cell and the identifier of the LTE second cell, and the resource occupation information of the GSM second cell may include the transmit power of the GSM second cell.
  • the identifier of the GSM second cell may include the PC I of the GSM second cell; and the identifier of the LTE second cell may include the PCI of the LTE second cell.
  • the network side device may include a first base station, a second base station, or a fused single resource controller (SRC).
  • the manner in which the network side device obtains the correspondence relationship and the resource occupation information of the GSM second cell may be one of the following:
  • the first base station receives the correspondence relationship from the second base station and the resource occupation information of the GSM second cell; or the first base station receives the correspondence relationship from the SRC and the GSM second
  • the resource occupation information of the cell, the correspondence relationship and the resource occupation information of the GSM second cell are sent to the SRC by the second base station.
  • the second base station can directly learn the corresponding relationship and the resource occupation information of the GSM second cell, because the second base station provides the GSM second cell and the LTE second cell. .
  • the SRC receives the corresponding relationship from the second base station and the resource occupation information of the GSM second cell.
  • the first base station may also obtain a correspondence from an operating system of the Opera t ions Administration Maintenance (0 AM), where the corresponding relationship is sent to the 0AM by the second base station.
  • an operating system of the Opera t ions Administration Maintenance (0 AM) where the corresponding relationship is sent to the 0AM by the second base station.
  • the second base station in the above (1) can obtain the corresponding relationship and the resource occupation information of the GSM second cell, and can pass the LTE and GSM radio access types (RATs).
  • An interface between the base stations of any one of the RATs transmits the correspondence and the resource occupation information of the GSM second cell. That is, the corresponding relationship and the resource occupation information of the GSM second cell may be directly transmitted through an interface between the base stations serving the LTE first cell and the LTE second cell, or
  • the present invention is not limited by the interface between the GSM second cell and the GSM first cell, and the resource occupancy information of the GSM second cell.
  • the LTE first cell is a cell adjacent to the LTE second cell in the LTE network
  • the GSM first cell is a cell adjacent to the GSM second cell in the GSM network
  • the GSM first cell and the LTE first cell are co-located. That is, the GSM first cell and the LTE first cell are served by the same base station, that is, the first base station.
  • the network side device acquires a pilot measurement result RSRP2 reported by the UE, where the UE is a UE in the LTE first cell.
  • the method for the network side device to obtain the pilot measurement result may be one of the following:
  • the first base station can directly obtain the pilot measurement result reported by the UE in the LTE first cell, because the first base station provides the service for the LTE first cell.
  • the second base station receives the pilot measurement result from the first base station; or the second base station receives the pilot measurement result from the SRC, the pilot measurement result is the first base station Sent to the SRC.
  • the SRC receives the pilot measurement result from the first base station.
  • the first base station can transmit the pilot measurement result through an interface between the base stations of any one of the LTE and GSM RATs. That is, the pilot measurement result may be directly transmitted through an interface between the base stations serving the LTE first cell and the LTE second cell, or may be an interface between the base stations serving the GSM second cell and the GSM first cell.
  • the transmission of pilot measurement results is not limited by the present invention.
  • the pilot measurement result reported by the UE may include an identifier of the LTE second cell and an RSRP (Reference Signal Receiving Power) of the LTE second cell.
  • RSRP Reference Signal Receiving Power
  • the network side device acquires, according to the identifier of the second cell of the LTE, the pilot transmit power PRS 2 of the second cell of the LTE.
  • the network side device first acquires the pilot transmit power of the LTE second cell by using the PCI of the LTE second cell, where the pilot transmit power of the LTE second cell can be acquired by the second base station and then sent to the first base station through the inter-base station interface. It may also be acquired by the second base station and then sent to the SRC.
  • the network side device determines, according to the RSRP of the second cell of the LTE and the pilot transmit power of the second cell of the LTE, the first path loss of the UE to the second cell of the LTE.
  • the pilot transmission power of the LTE second cell is PRS 2
  • the RSRP of the second cell of the LTE is RSRP2
  • the network side device may also learn the CGI of the LTE second cell corresponding to the PCI of the LTE second cell by using the correspondence between the PCI of the LTE cell and the CGI (Cel 1 Global Identity) of the LTE cell, where the LTE cell
  • the correspondence between the CGI of the PCI and the LTE cell may be maintained in the base station of the LTE network, or may be obtained from the OAM (Oper ati ons Administration Maintenance) of the network side device;
  • the CGI of the second cell finds the pilot transmit power PRS2 corresponding to the LTE second cell in the 0AM; thus, the network side device can only use the PRS2 and the LTE second 'J, the area ⁇ I RSRP, p RSRP2, determining a first path loss PLi of the UE LTE second cell, where
  • the UE is a UE located at an edge of the first cell of the LTE, that is, the UE may switch from the LTE first cell to the LTE second cell adjacent to the LTE first cell.
  • the network The side device may forcibly configure the UE to perform pilot measurement and report the pilot measurement result, or may use the default value instead of the first path loss of the UE to the LTE second cell.
  • the network side device determines, according to the correspondence between the identifier of the second cell of the GSM and the identifier of the second cell of the LTE, and the first path loss, the second path loss of the UE to the second cell of the GSM.
  • the network side device determines, according to the transmit power of the GSM second cell and the second path loss, the first interference value of the GSM second cell to the UE.
  • the network side device may determine the first interference value of the GSM second cell to the UE according to the transmit power PGI of the GSM second cell and the second path loss PL 2 .
  • the first interference value is I GI
  • I GI PGI-PLI, according to the above formula, it can be further derived:
  • I GI PGI + RSRP 2 - PRS 2 .
  • the foregoing pilot measurement result may further include an identifier of the LTE first cell and an RSRP of the LTE first cell.
  • the identifier of the LTE first cell may include a PCI of the LTE first cell.
  • the network side device acquires a pilot transmit power of the LTE first cell according to the identifier of the LTE first cell.
  • the network side device first acquires the pilot transmit power of the LTE first cell by using the PCI of the LTE first cell, where the pilot transmit power of the LTE first cell may be acquired by the first base station and then sent to the second base station through the inter-base station interface. It may also be acquired by the second base station and sent to the SRC.
  • the network side device determines, according to the RSRP of the first cell of the LTE and the pilot transmit power of the first cell of the LTE, the third path loss of the UE to the first cell of the LTE.
  • the network side device can determine the third path loss of the UE to the first cell of the LTE according to the PRSi and the RSRPi, assuming the third path loss.
  • PL 3 PRSi_RSRPi.
  • the network side device may also learn the CGI of the LTE first cell corresponding to the PCI of the LTE first cell by using the correspondence between the PCI of the LTE cell and the CGI of the LTE cell, where the correspondence between the PCI of the LTE cell and the CGI of the LTE cell It may be maintained in the base station of the LTE network, or may be obtained by the network side device from the 0AM;
  • the side device finds the pilot transmit power PRSi corresponding to the LTE first cell in the 0AM through the CGI of the LTE first cell; so that the network side device can determine the UE to the LTE first according to the RSRP of the PRSi and the LTE first cell, that is, the RSRPi.
  • the network The side device may forcibly configure the UE to perform pilot measurement and report the pilot measurement result, or may use the default value instead of the third path loss of the UE to the LTE first cell.
  • the network side device determines, according to the correspondence between the identifier of the first cell of the LTE and the identifier of the first cell of the GSM, and the third path loss, the fourth path loss of the UE to the first cell of the GSM.
  • the network side device acquires the correspondence between the identifier of the LTE first cell and the identifier of the GSM first cell, and the network side device acquires the identifier of the LTE second cell and the identifier of the GSM second cell.
  • the method of correspondence is similar, and will not be described here.
  • the network side device determines the fourth path loss of the UE to the GSM first cell according to the corresponding relationship between the acquired identifier of the LTE first cell and the identifier of the GSM first cell and the third path loss. Since the GSM first cell is co-located with the LTE first cell, the fourth path loss of the UE to the GSM first cell is the same as the third path loss of the UE to the LTE first cell, and the UE is assumed to be the fourth of the GSM first cell.
  • the identifier of the GSM first cell may include the PC I of the GSM first cell.
  • the correspondence between the identifier of the LTE first cell and the identifier of the GSM first cell may be preset in the first base station; correspondingly, the identifier of the LTE second cell and the identifier of the GSM second cell The correspondence between the two may also be preset in the second base station.
  • the network side device determines, according to the acquired transmit power of the GSM first cell and the fourth path loss, a second interference value of the GSM first cell to the UE.
  • the network side device acquires the transmit power of the GSM first cell.
  • the method is similar to the method for acquiring the transmit power of the GSM second cell by the network side device, and details are not described herein again.
  • IG2 PG2 + RSRPI - PRSi.
  • the embodiment of the present invention does not limit the execution order of the S203-S206 and the S207-S210, that is, the present invention may first execute S203-S206, and then execute S207-S210; may also execute S207-S210 first, then execute S203-S206; Execute S203-S206 and S207-S210.
  • the method may further include:
  • the first base station allocates radio access resources to the UE in the first cell according to the first interference value and the second interference value; or, if the network side device is the second base station or SRC, the second base station or the SRC sends the first interference value and the second interference value to the first base station, so that the first base station allocates a wireless connection to the UE in the first cell according to the first interference value and the second interference value.
  • the resource Into the resource.
  • the network side device After the network side device obtains the first interference value and the second interference value, if the network side device is the first base station, the first base station allocates a wireless connection to the UE in the LTE first cell according to the first interference value and the second interference value. Alternatively, if the network side device is the second base station or the SRC, the second base station or the SRC sends the first interference value and the second interference value to the first base station, so that the first base station according to the first interference value and the first The second interference value is a radio access resource allocated by the UE in the LTE first cell.
  • the network side device can simultaneously be based on multiple GSM second cells.
  • the foregoing measurement data determines a first interference value of the multiple GSM second cells to the UE, and acquires a second interference value of the GSM first cell to the UE, so that the first base station allocates a wireless connection to the UE in the LTE first cell.
  • the first base station may determine the interference value of each GSM cell to the UE in the LTE first cell and the change thereof, and use the historical CQI to measure the compensation value used for the next time to allocate the radio access resource, thereby being the LTE A UE in a cell allocates appropriate radio access resources.
  • the radio access resource may be a frequency, a time slot, or the like.
  • the resource occupation information of the GSM second cell may further include a frequency domain resource and/or a time domain resource occupied by the GSM second cell. Therefore, when the first base station allocates the radio access resource to the UE in the LTE first cell, the first base station may allocate the corresponding UE in the LTE first cell according to the frequency domain resource and/or the time domain resource occupied by the GSM second cell. Wireless access resources.
  • the frequency domain resource and/or the time domain resource occupied by the GSM second cell may include a time domain resource and/or a frequency domain resource that the GSM second cell interferes with the UE in the LTE first cell, and the time domain.
  • the amount of interference on resources and/or frequency domain resources may include a time domain resource and/or a frequency domain resource that the GSM second cell interferes with the UE in the LTE first cell, and the time domain. The amount of interference on resources and/or frequency domain resources.
  • An embodiment of the present invention provides a method for acquiring an interference value.
  • the network side device can determine the interference value of each GSM cell to the interfered UE in the neighboring LTE cell by using information exchange and data measurement between the networks. It is possible to select an appropriate downlink modulation coding method, thereby improving the efficiency of the network for sharing the spectrum.
  • Another embodiment of the present invention provides a method for acquiring an interference value. In this embodiment, it is assumed that the first cell of the first mode belongs to the first standard network, and the first cell provides the service, and the second cell of the second mode belongs to the second standard network, and the second cell provides the service, and the second cell of the second mode It belongs to the second standard network and is served by the first base station. The first base station simultaneously provides services for cells of different standards.
  • the interference of the first terminal UE in the second cell in the second cell in the second mode to the first cell in the first mode is calculated, as shown in FIG. Includes:
  • the network side device acquires the identifier of the first cell of the second system and the first standard The correspondence between the identifiers of a cell.
  • the identifier of the first cell of the second mode may include the PC I of the first cell of the second system; the identifier of the first cell of the first mode may include the PC I of the first cell of the first system.
  • the network side device acquires the measurement information reported by the first UE and the resource occupation information of the first UE, where the resource occupation information of the first UE includes the received power of the first UE.
  • the network side device determines, according to the received power of the first UE, the measurement information, and the correspondence between the identifier of the first cell of the second system and the identifier of the first cell of the first system, determining the first UE to the first standard The first interference value of the first cell.
  • the network side device may determine the first UE to the first The first interference value of the first cell of the system.
  • the network side device may acquire the first interference value of the UE in the second system in the second system to the first cell in the first system according to the foregoing measurement data of the UE in the second cell in the second system. Therefore, when the first base station allocates the radio access resource to the UE in the first cell of the first system, the first base station may determine the interference value of the UE in the second cell of each second standard to the first cell in the first system. The change, the historical SI NR is used to measure the compensation value when the radio access resource is allocated next time, so that the first base station allocates suitable radio access resources to the UE in the first cell of the first system.
  • the wireless access resource may be a frequency, a time slot, or the like.
  • the network side device can determine the interference value of the UE in the second cell of the second system to the first cell of the first system by using information exchange and data measurement between the networks, so that appropriate downlink time modulation can be selected.
  • the coding method improves the efficiency of the network for the shared spectrum.
  • the following is a method for obtaining an interference value according to an embodiment of the present invention, where the L TE network is the L TE network and the second system is the G SM network.
  • the L TE network and the G SM network are shared.
  • the L TE first cell and the G SM first cell are served by the first base station, and the L TE second cell and the G SM second cell are served by the second base station.
  • the party The law can include:
  • the network side device acquires a correspondence.
  • the network side device obtains a correspondence, where the correspondence may include a correspondence between an identifier of the GSM first cell and an identifier of the LTE first cell.
  • the identifier of the GSM first cell may include the PC I of the GSM first cell; and the identifier of the LTE first cell may include the PCI of the LTE first cell.
  • the network side device may include a first base station, a second base station, or an SRC.
  • the manner in which the network side device obtains the correspondence relationship may be one of the following:
  • the network side device is the first base station, since the first base station provides services for the GSM first cell and the LTE first cell, the first base station can directly learn the corresponding relationship.
  • the second base station receives the correspondence from the first base station; or the second base station receives the correspondence from the SRC, and the corresponding relationship is sent to the SRC by the first base station.
  • the SRC receives the corresponding relationship from the first base station.
  • the second base station may also obtain a correspondence from the 0AM, where the correspondence is sent by the first base station to the SRC.
  • the correspondence can be transmitted through an interface between the base stations of any one of the LTE and GSM RATs. That is, the corresponding relationship may be directly transmitted through an interface between the base stations serving the LTE first cell and the LTE second cell, or may be through an interface between the base stations serving the GSM second cell and the GSM first cell.
  • the transfer of the correspondence is performed, and the present invention is not limited.
  • the LTE second cell is a cell adjacent to the LTE first cell in the LTE network
  • the GSM second cell is a cell adjacent to the GSM first cell in the GSM network
  • the GSM second cell is co-located with the LTE second cell. That is, the GSM second cell and the LTE second cell are served by the same base station, that is, the second base station.
  • the network side device acquires the measurement information reported by the first UE and the resource occupation information of the first UE, where the first UE is a UE in the GSM second cell.
  • the method for the network side device to obtain the measurement information and the resource occupation information of the first UE may be one of the following:
  • the first base station receives the measurement information from the second base station and the resource occupation information of the first UE; or the first base station receives the measurement information from the SRC and the resources of the first UE.
  • the occupancy information, the measurement information and the resource occupation information of the first UE are sent to the SRC by the second base station.
  • the second base station can directly obtain the measurement information reported by the UE in the GSM second cell and the resources of the first UE. Occupy information.
  • the SRC receives the measurement information from the second base station and the resource occupation information of the first UE.
  • the second base station in (1) can transmit the interface between the base stations of any one of the LTE and GSM RATs.
  • the measurement information and the resource occupation information of the first UE may be directly transmitted through an interface between the base stations serving the LTE first cell and the LTE second cell, or may be provided by the GSM second cell and the GSM first cell.
  • the interface between the serving base stations performs measurement information and resource usage information transmission of the first UE, and the present invention is not limited.
  • the measurement information of >3 ⁇ 4 on the UE may include the identity of the GSM second cell, the identity of the GSM first cell, the RSRP of the GSM second cell, and the RSRP of the GSM first cell.
  • the network side device acquires a pilot transmit power of the GSM second cell according to the identifier of the GSM second cell.
  • the network side device first obtains the pilot transmit power of the GSM second cell by using the PCI of the GSM second cell, where the pilot transmit power of the GSM second cell can be acquired by the second base station and sent to the first base station through the inter-base station interface. It may also be acquired by the second base station and then sent to the SRC.
  • the network side device determines, according to the RSRP of the GSM second cell and the pilot transmit power of the GSM second cell, the first path loss of the first UE to the GSM second cell.
  • ⁇ _ The pilot transmission power of the GSM second cell is PRSi
  • the RSRP of the GSM second cell is RSRPi
  • the network side device can determine the first path loss of the first UE to the GSM second cell according to PRSi and RSRPi, The first path loss is P, then you can get:
  • the network side device can also learn the CGI of the GSM second cell corresponding to the PCI of the GSM second cell by using the correspondence between the PCI of the GSM cell and the CGI of the GSM cell, wherein the correspondence between the PCI of the GSM cell and the CGI of the GSM cell It may be maintained in the base station of the GSM network, or may be obtained by the network side device from the 0AM; the network side device finds the pilot transmit power PRSi corresponding to the GSM second cell in the 0AM through the CGI of the GSM second cell; Therefore, the network side device may determine, according to the RSRP of the second cell of the PRSi and the GSM, that is, the RSRPi, the first path loss PLi of the first UE to the second cell of the GSM, where
  • the network side device may force the UE to perform measurement and report the measurement information, or may use the default value to replace the first path loss of the first UE to the GSM second cell. .
  • the network side device determines, according to the received power of the first UE and the first path loss, the transmit power of the first UE.
  • the network side device may determine the transmit power of the first UE according to the PGI and the PLi, and if the transmit power of the first UE is PUEI, it may be:
  • PUEI PGI + PRSI - RSRPi.
  • the network side device acquires the pilot transmit power of the GSM first cell according to the identifier of the GSM first cell.
  • the network side device obtains the pilot transmit power of the GSM first cell by using the PCI of the GSM first cell, where the pilot transmit power of the GSM first cell can be acquired by the first base station and then sent to the second base station through the inter-base station interface, Can be obtained by the first base station Send to SRC.
  • the network side device determines, according to the transmit power of the first UE, the pilot transmit power of the GSM first cell, and the RSRP of the GSM first cell, a second interference value of the first UE to the GSM first cell.
  • the second interference value of the first UE to the GSM first cell is IG2
  • the pilot transmission power of the GSM first cell is PRS 2
  • the RSRP of the GSM first cell is RSRP2
  • the first UE to the GSM first cell The path loss between them is PL. , you can get:
  • PUEI I G2 + PL0;
  • PUEI IG2 + PRS2_RSRP2.
  • PGI + PRSI-RSRPI IG2 + PRS2-RSRP 2 ;
  • the second interference value I G 2 PGI + PRSI - RSRPi - PRS 2 + RSRP 2 .
  • PRSi and PRS2 is equal, which leads to further:
  • IG2 PGI+RSRP 2 - RSRPi.
  • the network side device determines, according to the correspondence between the identifier of the GSM first cell and the identifier of the LTE first cell, and the second interference value, the first interference value of the first UE to the first cell of the LTE.
  • the network side device acquires the transmit power of the second UE, where the second UE is the UE in the GSM first cell.
  • the manner in which the network side device acquires the transmit power of the second UE is The manner in which the network side device acquires the correspondence relationship, the measurement information, and the resource occupation information of the first UE is similar. Specifically, if the network side device is the first base station, the first base station may directly obtain the transmit power of the second UE; if the network side device is the second base station or the SRC, the first base station acquires the transmit power of the second UE. The transmit power of the second UE may be transmitted to the second base station through an interface between the base stations, or may be sent to the SRC.
  • the network side device determines, according to the RSRP of the first cell of the GSM and the pilot transmit power of the first cell of the GSM, the second path loss of the second UE to the first cell of the GSM.
  • the network side device can determine the second path loss of the second UE to the GSM first cell according to the RSRP of the GSM first cell, that is, the pilot transmission power of the RSRP2 and the GSM first cell, that is, the PRS 2 . Assuming the second path loss is PL 2 , you can get:
  • P 2 PRS 2 - RSRP 2 .
  • the network side device may force the UE to perform measurement and report the measurement information, or may use the default value instead of the second path of the second UE to the GSM first cell. .
  • the network side device determines, according to the correspondence between the identifier of the GSM first cell and the identifier of the first cell of the LTE, and the second path loss, the third path loss of the second UE to the first cell of the LTE.
  • the network side device determines the third path loss of the second UE to the LTE first cell according to the correspondence between the identifier of the GSM first cell and the identifier of the LTE first cell and the second path loss. Since the GSM first cell and the LTE first cell are co-located, that is, the first base station provides services, the third path loss is equal to the second path loss. Assuming the third path loss is PL 3 , you can get:
  • the correspondence between the identifier of the GSM first cell and the identifier of the LTE first cell may be preset in the first base station.
  • the network side device determines, according to the transmit power of the second UE and the third path loss, a third interference value of the second UE to the first cell of the LTE.
  • the network side device may determine, according to the acquired transmit power of the second UE and the third path loss, a third interference value of the second UE to the first cell of the LTE, that is, the GSM first cell that is co-located with the LTE first cell.
  • the interference value of the UE to the LTE first cell Assume that the second UE is sent
  • the third interference value IG3 PUE2 + RSRP2_PRS 2 .
  • the interference of the UE in the GSM cell of the co-station to the LTE first cell such as S409_S412.
  • the embodiment of the present invention does not limit the execution order of S403-S408 and S409-S412, that is, the present invention may first execute S403-S408, and then execute S409-S412; or may perform S409-S412 first, then execute S403-S408; Execute S403-S408 and S409-S412.
  • the method may further include:
  • the network side device is the first base station, the first base station allocates the radio access resource to the UE in the first cell according to the first interference value and the third interference value; or, if the network side device is the second base station or SRC, the second base station or the SRC sends the first interference value and the third interference value to the first base station, so that the first base station allocates the wireless connection to the UE in the first cell according to the first interference value and the third interference value.
  • the network side device is the first base station, the first base station allocates the radio access resource to the UE in the first cell according to the first interference value and the third interference value; or, if the network side device is the second base station or SRC, the second base station or the SRC sends the first interference value and the third interference value to the first base station, so that the first base station allocates the wireless connection to the UE in the first cell according to the first interference value and the third interference value.
  • the network side device After the network side device obtains the first interference value and the third interference value, if the network side device is the first base station, the first base station allocates a wireless connection to the UE in the LTE first cell according to the first interference value and the third interference value. Alternatively, if the network side device is the second base station or the SRC, the second base station or the SRC sends the first interference value and the third interference value to the first base station, so that the first base station according to the first interference value and the first The three interference value is a radio access resource allocated by the UE in the LTE first cell.
  • the network side device may determine, according to the foregoing measurement data of the UEs in the multiple GSM second cells, the first interference value of the UE in the multiple GSM second cells to the first cell in the LTE, and acquire the first GSM.
  • the third interference value of the UE in the cell to the LTE first cell so that when the first base station allocates the radio access resource to the UE in the LTE first cell, the first base station may determine that the UE in each GSM cell is the LTE One district
  • the interference value and its change are measured using the historical SI NR for the compensation value when the radio access resource is allocated next time, thereby allocating suitable radio access resources for the UE in the first cell of the L TE.
  • the radio access resource may be a frequency, a time slot, or the like.
  • the resource occupation information of the first UE may further include a frequency domain resource and/or a time domain resource occupied by the first UE. Therefore, when the first base station allocates a radio access resource to the UE in the first cell of the L TE, the first base station may allocate the frequency domain resource and/or the time domain resource occupied by the first UE to the UE in the first cell of the L TE. Corresponding wireless access resources.
  • the frequency domain resource and/or the time domain resource occupied by the first UE may include a time domain resource and/or a frequency domain resource that the first UE interferes with the L TE first cell, and the time domain resource and/or The amount of interference on the frequency domain resources.
  • An embodiment of the present invention provides a method for acquiring an interference value.
  • the network side device can determine the interference value of the UE in each G SM cell to the neighboring L TE cell by using information exchange and data measurement between the network. Therefore, an appropriate downlink modulation coding mode can be selected, thereby improving the efficiency of the network for sharing the spectrum.
  • the embodiment of the present invention provides a network side device 1 for performing the method for acquiring an interference value according to the foregoing FIG.
  • the device specifically includes: a receiving unit 10 for obtaining The correspondence between the identifier of the second cell of the second system and the identifier of the second cell of the first system, the resource occupancy information of the second cell of the second system, and the pilot measurement result reported by the UE in the first cell of the first system
  • the resource occupation information of the second cell of the second system includes the transmit power of the second cell of the second system, where the first cell of the first system belongs to the first standard network, and the service is provided by the first base station, and the second mode The second cell belongs to the second standard network, and is served by the second base station, where the second standard cell belongs to the first standard network, and the second base station provides the service; the first standard network and the second standard network share the spectrum.
  • a determining unit 1 1 configured to use, according to the receiving unit, the transmit power of the second cell of the second system, the pilot measurement result, and the identifier of the second cell of the second system, and the first standard And determining, by the correspondence between the identifiers of the two cells, a first interference value of the second cell of the second system to the UE.
  • the network side device is the first base station
  • the receiving unit 10 is configured to receive the corresponding relationship from the second base station and resource occupation information of the second standard second cell. Or receiving the corresponding relationship from the SRC and the resource occupation information of the second cell of the second system, where the corresponding relationship and the resource occupation information of the second cell of the second system are sent to the second base station The SRC.
  • the network side device is the second base station; the receiving unit 10 is specifically configured to receive the pilot measurement result from the first base station, or receive the pilot from an SRC. As a result of the measurement, the pilot measurement result is sent by the first base station to the SRC.
  • the network side device includes an SRC
  • the receiving unit 10 is configured to receive the corresponding relationship from the second base station and resource occupation information of the second standard second cell, and Said pilot measurement result of the first base station.
  • the pilot measurement result obtained by the receiving unit 10 includes an identifier of the second cell of the first system and an RSRP of the second cell of the first system.
  • the determining unit 11 is specifically configured to be used according to Obtaining, by the receiving unit, the identifier of the second cell of the first system, the pilot transmit power of the second cell of the first system, and the RSRP of the second cell of the first system acquired by the receiving unit a pilot transmit power of the second cell of the first system, determining a first path loss of the UE to the second cell of the first system, and acquiring, by the receiving unit, the second cell of the second system according to the receiving unit Identifying a correspondence between the identifier of the second cell of the first system, and the first path loss, determining a second path loss of the UE to the second cell of the second system, and receiving according to the And determining, by the unit, the transmit power of the second cell of the second mode and the second path loss, determining the first interference value.
  • the pilot measurement result obtained by the receiving unit 10 further includes an identifier of the first cell of the first system and an RSRP of the first cell of the first system; the determining unit 11 is further configured to: According to the pilot measurement result obtained by the receiving unit, the obtained transmit power of the first cell of the second system, and the identifier of the first cell of the first system and the identifier of the first cell of the second system Corresponding relationship, determining a second interference value of the second cell of the second system to the UE, where the first cell of the second system belongs to The second standard network is served by the first base station.
  • the determining unit 1 is configured to acquire, according to the identifier of the first cell of the first system acquired by the receiving unit, a pilot transmit power of the first cell of the first system, and according to the Determining, by the receiving unit, the RS RP of the first cell of the first system and the pilot transmit power of the first cell of the first system acquired by the determining unit, determining that the UE is to the first cell of the first system Determining, by the third path loss, the correspondence between the identifier of the first cell of the first system acquired by the receiving unit and the identifier of the first cell of the second system, and the third path loss. Determining the second mode by the fourth path loss of the UE to the first cell of the second system, and according to the transmit power of the second cell of the second mode acquired by the receiving unit and the fourth path loss The second interference value of a cell to the UE.
  • the network side device 1 further includes an allocating unit 12 for determining the first according to the determining unit. And the interference value and the second interference value are used to allocate radio access resources to the UE in the first cell of the first mode;
  • the network side device 1 further includes a sending unit 13 for determining the determining by the determining unit. Transmitting the first interference value and the second interference value to the first base station, so that the first base station allocates the wireless access to the UE according to the first interference value and the second interference value Resources.
  • the resource occupation information of the second cell of the second mode acquired by the receiving unit 10 further includes a frequency domain resource and/or a time domain resource occupied by the second cell of the second mode, and is used to indicate the location
  • the first base station allocates a radio access resource to the UE according to the frequency domain resource and/or the time domain resource.
  • the network side device provided by the embodiment of the present invention can determine the interference value of the second cell in the second cell of the first system by using the information exchange and data measurement between the network, so that the network side device can accurately Estimate the interference value between the networks, thereby improving the efficiency of the network for the shared spectrum.
  • an embodiment of the present invention provides a network side device 1 for performing The method for obtaining the interference value shown in Figure 6-7 above, the device specifically includes: a receiving unit 10, configured to acquire a correspondence between an identifier of the first cell of the second system and an identifier of the first cell of the first system And the measurement information reported by the first UE in the second cell of the second system and the resource occupation information of the first UE, where the resource occupation information of the first UE includes the received power of the first UE, where The first cell of the first system belongs to the first standard network, and the first base station provides the service, the second cell of the second system belongs to the second standard network, and the second cell provides the service, and the second cell of the second mode belongs to the second standard network.
  • the first base station Provided by the first base station; the first system network shares the spectrum with the second system network.
  • the determining unit 11 is configured to use, according to the received power of the first UE, the measurement information, and the identifier of the first cell of the second system and the identifier of the first cell of the first system acquired by the receiving unit Corresponding relationship, determining a first interference value of the first UE to the first cell of the first system.
  • the network side device is the first base station
  • the receiving unit 10 is configured to receive the measurement information from the second base station and resource occupation information of the first UE, or Receiving the measurement information from the SRC and the resource occupation information of the first UE, where the measurement information and the resource occupation information of the first UE are sent by the second base station to the SRC.
  • the network side device is the second base station; the receiving unit 10 is specifically configured to receive the correspondence relationship from the first base station, or receive the corresponding relationship from the SRC, where The corresponding relationship is sent by the first base station to the SRC.
  • the network side device includes an SRC
  • the receiving unit 10 is specifically configured to receive the correspondence relationship from the first base station, and receive the measurement information from the second base station and the Resource occupancy information of the first UE.
  • the measurement information acquired by the receiving unit 10 includes an identifier of the second cell of the second system, an identifier of the first cell of the second system, and an RSRP of the second cell of the second system.
  • the RSRP of the second cell of the second system is described; the determining unit 11 is specifically configured to: according to the identifier of the second cell of the second system acquired by the receiving unit Obtaining the pilot transmit power of the second cell of the second system, and according to the RS RP of the second cell of the second system acquired by the receiving unit, and the second cell of the second mode acquired by the determining unit a pilot transmission power, determining a first path loss of the first UE to the second cell of the second system, and determining, according to the received power of the first UE acquired by the receiving unit, by the determining unit Determining, by the first path loss, the transmit power of the first UE, and acquiring the pilot transmit power of the first cell of the second system according to the identifier of the first cell of the second system acquired by the receiving unit,
  • the determining unit 1 1 is further configured to acquire a transmit power of the second UE, where the second UE is a UE in the first cell of the second system, and according to the acquiring by the receiving unit Determining, by the RS RP of the first cell of the second system, the pilot transmit power of the first cell of the second system acquired by the determining unit, determining the second path loss of the second UE to the first cell of the second system And determining, according to the correspondence between the identifier of the second cell of the second system acquired by the receiving unit and the identifier of the first cell of the first system, and the second path loss determined by the determining unit.
  • the network side device 1 further includes an allocating unit 1 2, according to the first interference value and the first The three interference value is a radio access resource allocated by the UE in the first cell of the first system;
  • the network side device 1 further includes a sending unit 13 for using the first interference value. Transmitting, to the first base station, the third interference value, so that the first base station allocates, according to the first interference value and the third interference value, a UE in the first cell in the first system. Wireless access resources.
  • the resource occupation information of the first UE acquired by the receiving unit 10 further includes a frequency domain resource and/or a time domain resource that is occupied by the first UE, and is used to indicate that the first base station is configured according to the The frequency domain resource and/or the time domain resource allocates a radio access resource to the UE in the first cell of the first system.
  • the embodiment of the present invention provides a network side device, and the network side device can determine the interference value of the UE in the second system of the second system to the first cell of the first system by using information exchange and data measurement between the networks, thereby being accurate. Estimate the interference value between the networks, thereby improving the efficiency of the network for the shared spectrum.
  • an embodiment of the present invention provides a network side device, which is used to perform the method for acquiring an interference value, as shown in FIG. 4-5, where the device specifically includes a transmitter 14, a receiver 15, and a processor. 16 and memory 17, wherein
  • the transmitter 14 can be configured to send a downlink signal to a terminal device such as a UE.
  • a terminal device such as a UE.
  • the transmitter 14 can transmit the communication data to the terminal device.
  • the receiver 15 can be configured to receive uplink signals from terminal devices such as UEs. In particular, if the network side device needs to communicate with the terminal device, the receiver 15 can receive communication data from the UE.
  • the processor 16 is a control and processing center of the network side device, and controls the network side device to transmit and receive signals and other functions of the network side device by running a software program stored in the memory 17.
  • the memory 17 can be used to store software programs and data such that the processor 16 can implement the transmission and reception signals and other functions of the network side devices by running software programs stored in the memory 17.
  • the receiver 15 is configured to obtain a correspondence between an identifier of the second cell of the second system and an identifier of the second cell of the second system, and a resource of the second cell of the second system.
  • the first cell of the system belongs to the first standard network
  • the second base station belongs to the second standard network
  • the second cell of the second system belongs to the first standard network.
  • the second base station provides a service; the first standard network shares the frequency spectrum with the second standard network; the processor 16 may be configured to use, according to the transmit power of the second standard second cell acquired by the receiver, the Determining, by the pilot measurement result, a correspondence between the identifier of the second cell of the second system and the identifier of the second cell of the first system, determining a first interference value of the second cell of the second system to the UE .
  • the network side device is the first base station, and the receiver 15 is configured to receive the corresponding relationship from the second base station and resource usage of the second standard second cell.
  • the network side device is the second base station; the receiver 15 is specifically configured to receive the pilot measurement result from the first base station, or receive the foregoing from the S RC The pilot measurement result is sent by the first base station to the SRC.
  • the network side device includes an SRC, where the receiver 15 is configured to receive the corresponding relationship from the second base station and resource occupation information of the second standard second cell, and The pilot measurement result of the first base station.
  • the pilot measurement result obtained by the receiver 15 includes an identifier of the second cell of the first system and an RSRP of the second cell of the first system; the processor 16 Acquiring the pilot transmit power of the second cell of the first system according to the identifier of the second cell of the first system acquired by the receiver, and acquiring the second cell of the first system according to the receiver according to the identifier of the second cell of the first system acquired by the receiver.
  • the RSRP and the pilot transmit power of the second cell of the first system determine a first path loss of the UE to the second cell of the first system, and the second mode is obtained according to the receiver.
  • the identity of the cell and the first system Corresponding relationship between the identifiers of the second cell, and the first path loss, determining a second path loss of the UE to the second cell of the second system, and the first obtained according to the receiver
  • the transmit power of the second cell of the second mode and the second path loss determine the first interference value.
  • the pilot measurement result obtained by the receiver 15 further includes an identifier of the first cell of the first system and an RS RP of the first cell of the first system; the processor 16; And the identifier of the first cell of the first system and the identifier of the first cell of the second system according to the pilot measurement result obtained by the receiver, the obtained transmit power of the first cell of the second system, and the identifier of the first cell of the second system. Determining a second interference value of the second cell of the second system to the UE, where the first cell of the second system belongs to the second standard network, and the first base station provides a service.
  • the processor 16 is configured to acquire, according to the identifier of the first cell of the first system acquired by the receiver, a pilot transmit power of the first cell of the first system, and according to the Determining, by the receiver, the RS RP of the first cell of the first system and the pilot transmit power of the first cell of the first mode acquired by the processor, determining that the UE is to the first cell of the first system Determining, by the third path loss, the correspondence between the identifier of the first cell of the first system acquired by the receiver and the identifier of the first cell of the second system, and the third path loss. Determining the second mode of the fourth path loss of the UE to the second cell of the second mode, and according to the transmit power of the second cell of the second mode acquired by the receiver and the fourth path loss The second interference value of a cell to the UE.
  • the processor 16 is further configured to: according to the first interference value and the second interference value, the first mode is first.
  • the UE in the cell allocates radio access resources;
  • the transmitter 14 is configured to send the first interference value and the second interference value to the first base station,
  • the first base station is configured to allocate the radio access resource to the UE according to the first interference value and the second interference value.
  • the resource occupied by the second cell of the second mode acquired by the receiver 15 The information further includes a frequency domain resource and/or a time domain resource that is occupied by the second cell of the second system, and is used to indicate that the first base station is the UE according to the frequency domain resource and/or the time domain resource. Allocate wireless access resources.
  • the embodiment of the present invention provides a network side device.
  • the network side device can determine the interference value of the UE in the first cell of the first system by using the information exchange and data measurement between the network, so that the device can accurately estimate the interference value.
  • the interference value between the networks thereby improving the efficiency of the network for the shared spectrum.
  • an embodiment of the present invention provides a network side device, which is used to perform the method for acquiring an interference value shown in FIG. 6-7.
  • the receiver 15 may be configured to acquire a correspondence between an identifier of the first cell of the second system and an identifier of the first cell of the first system, and a measurement reported by the first UE in the second cell of the second system.
  • the information and the resource occupation information of the first UE where the resource occupation information of the first UE includes the received power of the first UE, where the first cell of the first system belongs to the first standard network, and is first
  • the base station provides the service, the second mode second cell belongs to the second standard network, and the second base station provides the service, and the second mode first cell belongs to the second standard network, and the first base station provides the service; the first standard network and the The second mode network sharing spectrum
  • the processor 16 may be configured to: according to the received power of the first UE, the measurement information, and the identifier of the first cell of the second system acquired by the receiver, Determining, by the correspondence between the identifiers of the first cells of the first system, determining a first interference value of the first UE to the first cell
  • the network side device is the first base station, and the receiver 15 is configured to receive the measurement information from the second base station and resource occupation information of the first UE, or And receiving, by the S RC, the measurement information and the resource occupation information of the first UE, where the measurement information and the resource occupation information of the first UE are sent by the second base station to the S RC.
  • the network side device is the second base station; the receiver 15 is specifically configured to receive the correspondence relationship from the first base station, or receive the corresponding relationship from the S RC The corresponding relationship is sent by the first base station to the S RC.
  • the network side device includes an SRC
  • the receiver 15 is specifically configured to: Receiving the correspondence from the first base station, and receiving the measurement information from the second base station and resource occupation information of the first UE.
  • the measurement information acquired by the receiver 15 includes an identifier of the second cell of the second system, an identifier of the first cell of the second system, and an RSRP of the second cell of the second system.
  • the RSRP of the second cell of the second system is used to obtain the pilot transmit power of the second cell of the second system according to the identifier of the second cell of the second system acquired by the receiver.
  • the processor is obtained The pilot transmit power of the first cell of the second system and the RSRP of the first cell of the second mode acquired by the receiver, determining the second UE to the second cell of the second cell of the second system The interference value, and the correspondence between the identifier of the second cell of the second system acquired by the receiver and the identifier of the first cell of the first system, and the second interference value determined by the processor , determining the first interference value.
  • the processor 16 is further configured to acquire a transmit power of the second UE, where the second UE is a UE in the first cell of the second system, and according to the Determining, by the RSRP of the first cell of the second mode, the pilot transmit power of the first cell of the second system acquired by the processor, determining a second path loss of the second UE to the first cell of the second system, and Determining, according to the correspondence between the identifier of the second cell of the second system acquired by the receiver and the identifier of the first cell of the first system, and the second path loss determined by the processor, Determining a third path loss of the second UE to the first cell of the first system, and determining, according to a transmit power of the second UE acquired by the processor and the third path loss determined by the processor, And a third interference value of the second UE to the first cell of the first system.
  • the processor 16 is further configured to: according to the first interference value and the third interference value
  • the transmitter 14 is configured to send the first interference value and the third interference value to the first base station,
  • the first base station is configured to allocate the radio access resource to the UE in the first cell of the first system according to the first interference value and the third interference value.
  • the resource occupation information of the first UE that is acquired by the receiver 15 further includes a frequency domain resource and/or a time domain resource that is occupied by the first UE, and is used to indicate that the first base station is configured according to the The frequency domain resource and/or the time domain resource allocates a radio access resource to the UE in the first cell of the first system.
  • the embodiment of the present invention provides a network side device, and the network side device can determine the interference value of the UE in the second cell of the second system to the first cell of the first system by using information exchange and data measurement between the networks, thereby being accurate. Estimate the interference value between the networks, thereby improving the efficiency of the network for the shared spectrum.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods of the various embodiments of the present invention.
  • 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, which can store program codes. .

Abstract

La présente invention concerne, dans des modes de réalisation, un procédé et un dispositif d'acquisition d'une valeur d'interférence, relatifs au domaine des communications. La valeur d'interférence entre les réseaux peut être estimée de manière exacte, ainsi l'efficacité d'utilisation du spectre de fréquence partagé dans les réseaux est améliorée. Le procédé peut comprendre les étapes suivantes : un appareil côté réseau acquiert une correspondance entre l'identifiant d'une seconde cellule selon une seconde norme et l'identifiant de la seconde cellule selon une première norme, des informations d'occupation des ressources de la seconde cellule selon la seconde norme et un résultat de mesure de fréquence pilote rapporté par un équipement utilisateur (UE) d'une première cellule selon la première norme; les informations d'occupation des ressources de la seconde cellule selon la seconde norme comprennent la puissance de transmission de la seconde cellule selon la seconde norme; et l'appareil côté réseau détermine une première valeur d'interférence depuis la seconde cellule selon la seconde norme vers l'UE.
PCT/CN2013/090358 2013-12-24 2013-12-24 Procédé et dispositif d'acquisition de valeur d'interférence WO2015096042A1 (fr)

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CN201380003837.5A CN105052186B (zh) 2013-12-24 2013-12-24 一种获取干扰值的方法及装置

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