WO2017193378A1 - Procédé et appareil de configuration de sous-trame - Google Patents

Procédé et appareil de configuration de sous-trame Download PDF

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Publication number
WO2017193378A1
WO2017193378A1 PCT/CN2016/082062 CN2016082062W WO2017193378A1 WO 2017193378 A1 WO2017193378 A1 WO 2017193378A1 CN 2016082062 W CN2016082062 W CN 2016082062W WO 2017193378 A1 WO2017193378 A1 WO 2017193378A1
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WO
WIPO (PCT)
Prior art keywords
mbsfn
subframe
mbsfn subframe
type
indication information
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PCT/CN2016/082062
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English (en)
Chinese (zh)
Inventor
魏冬冬
刘铮
Original Assignee
华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/082062 priority Critical patent/WO2017193378A1/fr
Publication of WO2017193378A1 publication Critical patent/WO2017193378A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a subframe configuration method and apparatus.
  • the Multimedia Broadcast/Multicast Service can provide the same content for multiple users in a specific area.
  • the specific area is MBMS. region.
  • the unicast service and the MBMS need to be supported in the LTE network. Specifically, in one radio frame, the unicast service and the MBMS occupy different subframes, and the subframe carrying the MBMS is called the multimedia broadcast multicast single frequency. Multimedia Broadcast Single Frequency Network (MBSFN) subframe.
  • MBSFN Multimedia Broadcast Single Frequency Network
  • An MBSFN subframe may include a non-MBSFN area and an MBSFN area, where the non-MBSFN area is used to transmit unicast-related information, such as uplink and downlink scheduling information, feedback information of uplink data transmission, and the like, and is based on a cell reference signal (cell).
  • the -specific reference signal (CRS) is used for demodulation; the MBSFN area is used for transmitting MBMS data, and data demodulation is performed based on the MBSFN reference signal.
  • the embodiment of the invention provides a method and a device for configuring a subframe, which are used to provide a new subframe configuration method.
  • a first aspect of the embodiments of the present invention provides a subframe configuration method, including:
  • the terminal receives the multimedia broadcast multicast single frequency network MBSFN subframe indication information sent by the base station, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas;
  • the terminal determines, according to the MBSFN subframe indication information, whether all areas in the MBSFN subframe are MBSFN areas.
  • the MBSFN subframe indication information is a carrier type identifier; Ground,
  • the terminal determines, according to the carrier type of the carrier to which the MBSFN subframe belongs, whether all areas in the MBSFN subframe are MBSFN areas of the multimedia broadcast multicast single frequency network.
  • the MBSFN subframe indication information is a subframe type identifier
  • the terminal determines, according to the subframe type of the MBSFN subframe, whether all regions in the MBSFN subframe are MBSFN regions.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the MBSFN subframe indication information is carried on at least one indication bit in a system message broadcast by the base station;
  • the MBSFN subframe indication information is carried on at least one indication bit in the dedicated signaling sent by the base station to the terminal.
  • system message is a system message used to indicate a secondary carrier configuration
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • the foregoing system message may be an SIB, and specifically may be an SIB2, which is not limited herein.
  • a second aspect of the embodiments of the present invention provides a subframe configuration method, including:
  • the base station sends the MBSFN subframe indication information to the terminal, where the MBSFN subframe indication information is used to indicate whether all the regions in the MBSFN subframe are MBSFN regions.
  • the base station may further include The base station receives the MBSFN subframe indication information sent by the MCE, and the MBSFN subframe indication information is used to indicate whether all the regions in the MBSFN subframe are MBSFN regions.
  • the MBSFN subframe indication information is a carrier type identifier, where the carrier type identifier is used to indicate a carrier type of a carrier to which the MBSFN subframe belongs, and the carrier type indicates whether all regions in the MBSFN subframe are all MBSFN area.
  • the MBSFN subframe indication information is a subframe type identifier, where the subframe type identifier is used to indicate a subframe type of an MBSFN subframe, where, by using a subframe type, whether all the MBSFN subframes are all indicated The areas are all MBSFN areas.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the sending, by the base station, the MBSFN subframe indication information to the terminal includes:
  • the base station broadcasts a system message, where the MBSFN subframe indication information is carried on at least one indication bit of the system message;
  • the base station sends the dedicated signaling to the terminal, where the MBSFN subframe indication information is carried on at least one indication bit of the dedicated signaling.
  • system message is a system message used to indicate a secondary carrier configuration
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • the foregoing system message may be an SIB, and specifically may be an SIB2, which is not limited herein.
  • a third aspect of the embodiments of the present invention provides a terminal, including:
  • a receiver configured to receive, by the base station, a multimedia broadcast multicast single-frequency network MBSFN subframe indication information, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas;
  • a processor configured to determine, according to the MBSFN subframe indication information, whether all regions in the MBSFN subframe are MBSFN regions.
  • the MBSFN subframe indication information is a carrier type identifier
  • the processor is specifically configured to determine, according to the carrier type identifier, a carrier type of a carrier to which the MBSFN subframe belongs; and determine, according to a carrier type of the carrier to which the MBSFN subframe belongs Whether all areas in the MBSFN subframe are MBSFN areas of the multimedia broadcast multicast single frequency network.
  • the MBSFN subframe indication information is a subframe type identifier; correspondingly,
  • the processor is specifically configured to determine, according to the subframe type identifier, a subframe type of the MBSFN subframe, and determine, according to the subframe type of the MBSFN subframe, whether all regions in the MBSFN subframe are MBSFN regions.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the MBSFN subframe indication information is carried on at least one indication bit in a system message broadcast by the base station;
  • the MBSFN subframe indication information is carried on at least one indication bit in the dedicated signaling sent by the base station to the terminal.
  • system message is a system message used to indicate a secondary carrier configuration
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • a fourth aspect of the embodiments of the present invention provides a base station, including:
  • a transmitter configured to send, to the terminal, a multimedia broadcast multicast single frequency network MBSFN subframe indication information, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas.
  • the base station may further include: a receiver, configured to receive, by the multi-cell multicast cooperative entity, a multimedia broadcast multicast single-frequency network MBSFN subframe indication information, where the MBSFN subframe indication information is used to indicate whether the MBSFN subframe is in the MBSFN subframe. All areas are MBSFN areas.
  • the MBSFN subframe indication information is a carrier type identifier, where the carrier type identifier is used to indicate a carrier type of a carrier to which the MBSFN subframe belongs, and the carrier type indicates whether all regions in the MBSFN subframe are all MBSFN area.
  • the MBSFN subframe indication information is a subframe type identifier, where the subframe type identifier is used to indicate a subframe type of an MBSFN subframe, where, by using a subframe type, whether all the MBSFN subframes are all indicated The areas are all MBSFN areas.
  • the at least one subframe type indicator bit is used to indicate multiple The subframe type of the MBSFN subframe in which the subframe types of the plurality of MBSFN subframes are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the transmitter is specifically configured to broadcast a system message, where the MBSFN subframe indication information is carried on at least one indication bit of the system message; or, the dedicated signaling is sent to the terminal, where the dedicated packet is sent.
  • the MBSFN subframe indication information is carried on at least one indication bit of the command.
  • system message is a system message used to indicate a secondary carrier configuration
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • a fifth aspect of the embodiments of the present invention provides a subframe configuration apparatus, including:
  • a receiving module configured to receive MBSFN subframe indication information sent by the base station, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas;
  • a determining module configured to determine, according to the MBSFN subframe indication information, whether all regions in the MBSFN subframe are MBSFN regions.
  • the MBSFN subframe indication information is a carrier type identifier; correspondingly, the determining module is specifically configured to determine, according to the carrier type identifier, a carrier type of a carrier to which the MBSFN subframe belongs; according to the MBSFN sub- The carrier type of the carrier to which the frame belongs, and determining whether all areas in the MBSFN subframe are MBSFN areas of the multimedia broadcast multicast single frequency network.
  • the MBSFN subframe indication information is a subframe type identifier; correspondingly, the determining module is specifically configured to determine, according to the subframe type identifier, a subframe type of the MBSFN subframe; The subframe type of the MBSFN subframe determines whether all regions in the MBSFN subframe are MBSFN regions.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the MBSFN subframe indication information is carried on at least one indication bit in a system message broadcast by the base station;
  • the MBSFN subframe indication information is carried on at least one indication bit in the dedicated signaling sent by the base station to the terminal.
  • system message is a system message used to indicate a secondary carrier configuration
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • a sixth aspect of the embodiments of the present invention provides a subframe configuration apparatus, including:
  • the sending module is configured to send the MBSFN subframe indication information to the terminal, where the MBSFN subframe indication information is used to indicate whether all the regions in the MBSFN subframe are MBSFN regions.
  • the method may further include: a receiving module, configured to receive, by the base station, a multimedia broadcast multicast single-frequency network MBSFN subframe indication information, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas. .
  • a receiving module configured to receive, by the base station, a multimedia broadcast multicast single-frequency network MBSFN subframe indication information, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas.
  • the MBSFN subframe indication information is a carrier type identifier, where the carrier type identifier is used to indicate a carrier type of a carrier to which the MBSFN subframe belongs, and the carrier type indicates whether all regions in the MBSFN subframe are all MBSFN area.
  • the MBSFN subframe indication information is a subframe type identifier, where the subframe type identifier is used to indicate a subframe type of an MBSFN subframe, where, by using a subframe type, whether all the MBSFN subframes are all indicated The areas are all MBSFN areas.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the sending module is specifically configured to: broadcast the system message, where the at least one indication bit of the system message carries the MBSFN subframe indication information; or send a dedicated signaling to the terminal, where the dedicated signaling
  • the MBSFN subframe indication information is carried on at least one indication bit.
  • system message is a system message used to indicate a secondary carrier configuration
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • the terminal receives the MBSFN subframe indication information sent by the base station, where the MBSFN subframe indication information is used to indicate whether all the areas in the MBSFN subframe are MBSFN areas, and the terminal may
  • the MBSFN subframe indication information determines whether all areas in the MBSFN subframe are MBSFN areas, that is, the terminal can be implemented. In order to obtain the MBSFN area inside the subframe, in addition, it can also help to ensure the accuracy of subsequent signal reception and RRM measurement.
  • FIG. 1 is a schematic diagram of an application scenario of a subframe configuration method provided by the present invention.
  • Embodiment 1 of a subframe configuration method according to the present invention
  • Embodiment 3 is a schematic flowchart of Embodiment 2 of a subframe configuration method provided by the present invention.
  • Embodiment 4 is a schematic flowchart of Embodiment 3 of a subframe configuration method according to the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a terminal provided by the present invention.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a subframe configuration apparatus according to the present invention.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a subframe configuration apparatus according to the present invention.
  • the base station in the embodiment of the present invention may be a base station (Base Transceiver Station, BTS for short) in Global System of Mobile communication (GSM) or Code Division Multiple Access (CDMA). It may also be a base station (NodeB, NB for short) in Wideband Code Division Multiple Access (WCDMA), or an evolved base station (Evolutional Node B) in Long Term Evolution (LTE). , referred to as eNB or eNodeB), or a relay station or an access point, or a base station in a future 5G network, etc., is not limited herein.
  • the terminal in the embodiment of the present invention may be a wireless terminal or a wired terminal, and the wireless terminal may be a device that provides voice and/or other service data connectivity to the user, a handheld device with wireless connection function, or is connected to the wireless device. Other processing devices for the modem.
  • Wireless end The terminal can communicate with one or more core networks via a Radio Access Network (RAN), and the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • it may be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with a wireless access network.
  • the wireless terminal may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, and a remote terminal.
  • the access terminal, the user terminal (User Terminal), the user agent (User Agent), and the user device (User Device or User Equipment) are not limited herein.
  • the application scenario may be an LTE system, but is not limited thereto.
  • the scenario may include: an MCE, a base station, and a terminal.
  • the Multi-cell/Multicast Coordination Entity is a core network side network element.
  • the MCE is configured to configure the MBSFN area, including the allocation of the MBSFN subframe for the radio frame, and the MCE is further configured to send the related information of the subframe configuration to the base station, so that the base station can learn the MBSFN subframe according to the related information of the subframe configuration.
  • the MBSFN area and further indicates the terminal.
  • a radio frame includes multiple subframes, where the subframe is used as a basic scheduling time unit.
  • one radio frame may include 10 subframes, and frequency division duplex (FDD) mode, 10 sub-frames.
  • FDD frequency division duplex
  • TDD time division duplex
  • the number of MBSFN subframes in the radio frame can be increased.
  • the primary The paging subframe on the carrier cannot be configured as MBSFN
  • the subframes are generally used to increase the number of MBSFN subframes on the secondary carrier.
  • the number of the MBSFN subframes is not limited.
  • the non-MBSFN area in the MBSFN subframe may be cancelled. That is, one MBSFN subframe is used to transmit the MBMS service.
  • the embodiment of the present invention mainly implements the structure of notifying the terminal of the MBSFN subframe, so that the terminal knows the specific regional distribution inside the MBSFN subframe.
  • Embodiment 1 of a method for configuring a subframe according to the present invention. As shown in FIG. 1, the method includes:
  • the base station sends an MBSFN subframe indication information to the terminal, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas.
  • the multi-cell/multicast coordination entity specifically configures the structure of each subframe, including determining which subframes in the radio frame are MBSFN subframes, and determining the MBSFN.
  • the MBSFN area in the subframe, and the like further generate subframe configuration information, so as to indicate the structure of each subframe in the radio frame.
  • the MBSFN subframe indication information may also indicate whether all regions in the MBSFN subframe of the base station are MBSFN area.
  • the base station may receive the MBSFN subframe indication information sent by the MCE, and indicate whether all the regions in the MBSFN subframe of the base station are MBSFN regions by using the MBSFN subframe indication information.
  • the MCE may also indicate information such as the number of symbols of the non-MBSFN area and/or the number of symbols of the MBSFN area, and specifically may only indicate the number of symbols of the non-MBSFN area, and the like. There are no restrictions here.
  • the symbol in the embodiment of the present invention may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol.
  • the base station may parse the MBSFN subframe indication information, and repackage the MBSFN subframe indication information to indicate whether all the regions in the MBSFN subframe are MBSFN regions. Then, the base station sends the MBSFN subframe indication information generated by itself to the terminal.
  • the terminal receives the MBSFN subframe indication information sent by the base station.
  • the terminal determines, according to the MBSFN subframe indication information, whether all areas in the MBSFN subframe are MBSFN areas.
  • the terminal determines, according to the MBSFN subframe indication information, whether all areas in the MBSFN subframe are MBSFN areas, and if so, it indicates There is no non-MBSFN area in the MBSFN subframe, otherwise it indicates that the MBSFN subframe includes both the MBSFN area and the non-MBSFN area.
  • the terminal may perform operations such as signal reception and RRM measurement according to the actual structure of the MBSFN subframe.
  • the terminal when performing radio resource management (RRM) measurement, the terminal mainly measures the CRS to obtain reference signal received power (RSRP) and reference signal received quality (reference signal received quality). Information such as RSRQ), RRM measurement will be performed at the corresponding CRS position during specific measurement.
  • RRM radio resource management
  • RRM measurement may be performed in the MBSFN area, resulting in erroneous measurement and affecting the accuracy of the measurement result.
  • the terminal determines whether all the regions in the MBSFN subframe are MBSFN regions according to the MBSFN subframe indication information, and then performs RRM measurement, which greatly improves the measurement accuracy.
  • RRM measurement is not performed based on this MBSFN subframe.
  • the foregoing terminal may be a terminal that supports carrier aggregation (CA), and the terminal receives the MBSFN subframe indication information sent by the base station, and the terminal may know the area where the CRS exists, so that the terminal uses the CRS. RRM measurement.
  • CA carrier aggregation
  • the MBSFN subframe in the embodiment of the present invention generally belongs to the secondary carrier, and may be configured according to the MBSFN subframe indication information, but is not limited thereto.
  • the terminal receives the MBSFN subframe indication information sent by the base station, where the MBSFN subframe indication information is used to indicate whether all the regions in the MBSFN subframe are MBSFN regions, and the terminal may determine the MBSFN subframe according to the MBSFN subframe indication information. Whether all the areas are MBSFN areas, that is, the terminal can know the MBSFN area inside the subframe. In addition, it can help to ensure the accuracy of subsequent signal reception and RRM measurement.
  • the foregoing base station sends the MBSFN subframe indication information to the terminal, which may be a unicast mode or a broadcast mode.
  • the foregoing MBSFN subframe indication information may be carried on at least one indication bit in a system message broadcast by the base station.
  • the system message may be a system message for indicating a secondary carrier configuration, and the terminal performs secondary carrier configuration according to the received system message.
  • the foregoing MBSFN subframe indication information may be carried on at least one indication bit in the dedicated signaling sent by the base station to the terminal.
  • the dedicated signaling may be dedicated signaling for indicating a secondary carrier configuration, and the terminal performs secondary carrier configuration according to the received dedicated signaling.
  • one or more indicator bits may be extended in a system message or dedicated signaling sent by the base station to the terminal, and the indication bit is used to identify the MBSFN subframe indication information.
  • system message may be a system information block (SIB), for example, may be SIB2, and is not limited herein;
  • the dedicated signaling may be a radio resource control (RRC).
  • RRC radio resource control
  • FIG. 3 is a schematic flowchart diagram of Embodiment 2 of a subframe configuration method according to the present invention.
  • the MBSFN subframe indication information may be a carrier type identifier. That is, the terminal distinguishes whether all the areas in the MBSFN subframe are MBSFN areas according to the carrier type.
  • the terminal determines, according to the MBSFN subframe indication information, whether all the regions in the MBSFN subframe are MBSFN regions, and may include:
  • the terminal determines, according to the carrier type identifier, a carrier type of a carrier to which the MBSFN subframe belongs.
  • the terminal determines, according to the carrier type of the carrier to which the MBSFN subframe belongs, whether all regions in the MBSFN subframe are MBSFN regions.
  • MBSFN subframes on certain types of carriers may not contain non-MBSFN areas, and MBSFN subframes on some types of carriers may contain non-MBSFN areas.
  • the terminal knows the carrier type of the carrier to which the MBSFN subframe belongs, it can be known whether all the regions in the MBSFN subframe on the default carrier are MBSFN regions.
  • the carrier type of the carrier to which the MBSFN subframe belongs determines, by the terminal side, the carrier type of the carrier to which the MBSFN subframe belongs, whether the carrier type of the pre-configured carrier type and the MBSFN subframe are all pairs of the MBSFN area It should be determined whether all regions in the MBSFN subframe are MBSFN regions.
  • the base station sends the MBSFN subframe indication information to the terminal. Specifically, the base station sends the dedicated signaling to the terminal, and the at least one cell type indication bit of the dedicated signaling carries the carrier type identifier.
  • one or more indicator bits may be extended in the dedicated signaling sent by the base station to the terminal, for example, a cell type indication bit (ScellType), and the indicator type is used to identify the carrier type, for example, two carrier types need to be distinguished, and then the extension may be performed.
  • An indication bit the area of the MBSFN sub-frame on the carrier corresponding to the carrier type identified by the "1" is the MBSFN area; the MBSFN sub-frame on the carrier corresponding to the carrier type identified by the "0" is not the MBSFN area, that is, the MBSFN sub-area.
  • the frame includes both an MBSFN area and a non-MBSFN area.
  • more indicator bits can be extended, and no limitation is imposed here.
  • the base station If it is a broadcast mode, the base station sends the MBSFN subframe indication information to the terminal, specifically: the base station broadcast system message, and the at least one cell type indication bit of the system message carries the carrier type identifier.
  • one or more indicator bits such as a cell type indicator bit (ScellType) may be extended in the system message broadcast by the base station, and the indicator type is used to identify the carrier type. For example, two carrier types need to be distinguished, and then one indicator bit may be extended. All the areas of the MBSFN sub-frames on the carrier corresponding to the carrier type identified by the "1" are all MBSFN areas; the MBSFN sub-frames on the carrier corresponding to the carrier type identified by the "0" are not all areas are MBSFN areas, that is, the MBSFN sub-frames include MBSFN area and non-MBSFN area.
  • ScellType cell type indicator bit
  • FIG. 4 is a schematic flowchart diagram of Embodiment 3 of a subframe configuration method according to the present invention.
  • the foregoing MBSFN subframe indication information may be a subframe type identifier. That is, the terminal distinguishes whether all areas in the MBSFN subframe are MBSFN areas according to the subframe type.
  • the terminal determines, according to the MBSFN subframe indication information, whether all the regions in the MBSFN subframe are MBSFN regions, and may include:
  • the terminal determines, according to the foregoing subframe type identifier, a subframe type of the MBSFN subframe.
  • the terminal determines, according to the subframe type of the MBSFN subframe, whether all regions in the MBSFN subframe are MBSFN regions.
  • the terminal After the terminal determines the subframe type of the MBSFN subframe, it can be based on the pre-configured correlation. The information knows whether all the areas in the MBSFN subframe are MBSFN areas.
  • the subframe structure corresponding to different subframe types is different, and the 4-seed frame structure is taken as an example:
  • the first MBSFN subframe structure includes an MBSFN area and a non-MBSFN area
  • All areas in the second MBSFN subframe structure are MBSFN areas, that is, non-MBSFN areas are not included;
  • the third MBSFN subframe structure includes an MBSFN area and a non-MBSFN area, but is different from the subcarrier spacing in the first MBSFN subframe, and/or the cyclic prefix is different; and the terminal side receives the subframe type identifier, which can be based on the default.
  • the configuration information is used to learn the specific subframe structure, and is not limited herein.
  • All the areas in the fourth MBSFN subframe structure are MBSFN areas, that is, do not include non-MBSFN areas, but are different from the subcarrier spacing in the second MBSFN subframe, and/or the cyclic prefix is different; the terminal side receives the subframe.
  • the type identifier can be used to learn the specific subframe structure according to the default configuration information, which is not limited herein.
  • MBSFN subframes it is not limited to the above-mentioned MBSFN subframes, and can be flexibly configured according to actual conditions.
  • the foregoing base station sends the subframe type identifier to the terminal, which may be a unicast mode or a broadcast mode.
  • the base station sends the MBSFN subframe indication information to the terminal, where the base station sends the dedicated signaling to the terminal, and the at least one subframe type indication bit of the dedicated signaling carries the subframe type.
  • one or more indicator bits may be extended in the dedicated signaling, and the indicator bit is used to identify the subframe type.
  • the base station If it is a broadcast mode, the base station sends the MBSFN subframe indication information to the terminal, specifically: the base station broadcast system message, where the at least one subframe type indication bit of the system message carries the subframe type identifier.
  • one or more indicator bits may be extended in the above system message, and the indicator type is used to identify the subframe type.
  • the at least one subframe type indication bit may be an extension of the subframe configuration information
  • the extended subframe configuration information may include: an MBSFN Subframe Config List and at least one subframe type indication bit, MBSFN subframe configuration column
  • the table may include information such as a maximum allocated MBSFN subframe, which is not limited herein.
  • the subframe type of the MBSFN subframes in the radio frame may be uniformly indicated by the subframe type indication bit.
  • the subframe types of all the MBSFN subframes in the radio frame are the same. That is, the at least one subframe type indication bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame.
  • at least one subframe type indicator bit may be two indicator bits, 00 identifies a first type of MBSFN subframe, 01 identifies a second type of MBSFN subframe, and 10 identifies a third type of MBSFN subframe. , 11 identifies the fourth MBSFN subframe. If there are only 2 MBSFN subframe types, only one indicator bit may be needed. If there are more MBSFN subframe types, more indicator bits may be extended, which is not limited herein.
  • the at least one subframe type indication bit is corresponding to the foregoing MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • each MBSFN subframe in the radio frame corresponds to at least one subframe type indication bit, that is, an indication sequence may be extended in the system message or the dedicated signaling, and at least one subframe type indication bit fixed in the sequence is unique. Indicates the subframe type of one of the MBSFN subframes.
  • each MBSFN subframe corresponds to one indicator bit, “1” identifies the first MBSFN subframe type, and “0” identifies the second MBSFN subframe type.
  • the indication sequence includes 8 bits, "001101" identifies 1, 2, 5, 3 MBSFN subframe bits, the second MBSFN subframe type, and 3, 4, and 6 MBSFN sub-frames.
  • the frame is the first MBSFN subframe type. Of course, it is not limited to this. If it is a 2-seed frame type, then each of the MBSFN sub-frames corresponds to two indicator bits, which may be arranged in order.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a terminal provided by the present invention. As shown in FIG. 5, the terminal includes: a processor 501, a transmitter 502, a receiver 503, a memory 504, and an antenna 505.
  • the memory 504, the transmitter 502 and the receiver 503 and the processor 501 can be connected by a bus.
  • the memory 504, the transmitter 502, the receiver 503, and the processor 501 may not be a bus structure, but may be other structures, such as a star structure, which is not specifically limited in this application.
  • the processor 501 may be a general-purpose central processing unit or an application specific integrated circuit (ASIC), and may be one or more integrated circuits for controlling program execution, and may be Use field programmable gate array (English: Field Programmable Gate Array, referred to as: FPGA) developed hardware circuit, which can be a baseband processor.
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • processor 501 can include at least one processing core.
  • the memory 504 may include one or more of a read only memory (English: Read Only Memory, ROM for short), a random access memory (English: Random Access Memory, RAM), and a disk storage.
  • Memory 504 is used to store data and/or instructions needed by processor 501 to operate.
  • the number of memories 504 can be one or more.
  • the terminal can be used to perform any of the foregoing method embodiments. specifically:
  • the receiver 503 is configured to receive the multimedia broadcast multicast single-frequency network MBSFN subframe indication information that is sent by the base station, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas.
  • the MBSFN subframe indication information is carried on at least one indication bit in a system message broadcast by the base station; or the MBSFN subframe indication information is carried in at least one dedicated signaling sent by the base station to the terminal.
  • One indicator bit is carried on at least one indication bit in a system message broadcast by the base station; or the MBSFN subframe indication information is carried in at least one dedicated signaling sent by the base station to the terminal.
  • system message is a system message used to indicate a secondary carrier configuration.
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • the processor 501 is configured to determine, according to the MBSFN subframe indication information, whether all areas in the MBSFN subframe are MBSMN areas of the multimedia broadcast multicast single frequency network.
  • the terminal receives the MBSFN subframe indication information sent by the base station, where the MBSFN subframe indication information is used to indicate whether all the regions in the MBSFN subframe are MBSFN regions, and the terminal may determine the MBSFN subframe according to the MBSFN subframe indication information. Whether all the areas are MBSFN areas, that is, the terminal can know the MBSFN area inside the subframe, and can also help ensure the accuracy of subsequent signal reception and RRM measurement.
  • the MBSFN subframe indication information is a carrier type identifier; correspondingly,
  • the processor 501 is specifically configured to determine, according to the carrier type identifier, a carrier type of a carrier to which the MBSFN subframe belongs, and determine, according to a carrier type of the carrier to which the MBSFN subframe belongs, whether all regions in the MBSFN subframe are MBSFN regions.
  • the carrier type identifier is carried on at least one cell type indication bit in a system message broadcast by the base station;
  • the carrier type identifier is carried in a dedicated signaling sent by the base station to the terminal to One less cell type indicator bit.
  • the MBSFN subframe indication information is a subframe type identifier; correspondingly,
  • the processor 501 is specifically configured to determine, according to the subframe type identifier, a subframe type of the MBSFN subframe, and determine, according to the subframe type of the MBSFN subframe, whether all regions in the MBSFN subframe are MBSFN regions.
  • subframe type identifier is carried on at least one subframe type indication bit in a system message broadcast by the base station.
  • the subframe type identifier is carried on at least one subframe type indication bit in the dedicated signaling sent by the base station to the terminal.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the terminal is used to perform the foregoing method implementation of the terminal, and the implementation principle and the technical effect are similar.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • the base station includes: a processor 601, a transmitter 602, a receiver 603, a memory 604, and an antenna 605.
  • the memory 604, the transmitter 602 and the receiver 603 and the processor 601 can be connected by a bus.
  • the memory 604, the transmitter 602, and the receiver 603 and the processor 601 may not be a bus structure, but may be other structures, such as a star structure, which is not specifically limited in the present application.
  • the processor 601 may be a general-purpose central processing unit or an ASIC, and may be one or more integrated circuits for controlling program execution, may be hardware circuits developed using an FPGA, and may be a baseband processor.
  • processor 601 can include at least one processing core.
  • the memory 604 may include one or more of a ROM, a RAM, and a disk storage. Memory 604 is used to store data and/or instructions needed by processor 601 to operate. The number of memories 604 can be one or more.
  • the apparatus can be used to perform any of the methods of the foregoing method embodiments. specifically:
  • the receiver 603 is configured to receive the MBSFN subframe indication information that is sent by the multi-cell multicast cooperative entity, where the MBSFN subframe indication information is used to indicate whether all the regions in the MBSFN subframe are MBSFN regions.
  • the transmitter 602 is configured to send MBSFN subframe indication information to the terminal, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas.
  • the base station is configured to receive the MBSFN subframe indication information that is sent by the multi-cell multicast cooperative entity, and send the MBSFN subframe indication information to the terminal to indicate whether all the areas in the MBSFN subframe are MBSFN areas, and then the terminal may Determining whether all the regions in the MBSFN subframe are MBSFN regions according to the MBSFN subframe indication information, that is, the terminal can obtain the MBSFN region inside the subframe, and can also help ensure the accuracy of subsequent signal reception and RRM measurement.
  • the transmitter 602 is specifically configured to: broadcast a system message, where the at least one indication bit of the system message carries the MBSFN subframe indication information; or send a dedicated signaling to the terminal, where the at least one indication of the dedicated signaling The MBSFN subframe indication information is carried on the bit.
  • system message may be a system message used to indicate a secondary carrier configuration.
  • the dedicated signaling may be dedicated signaling for indicating secondary carrier configuration.
  • the MBSFN subframe indication information is a carrier type identifier, where the carrier type identifier is used to indicate a carrier type of a carrier to which the MBSFN subframe belongs, and the carrier type indicates whether all regions in the MBSFN subframe are MBSFN regions. .
  • the transmitter 602 may be specifically configured to broadcast a system message, where the carrier type identifier is carried on at least one cell type indication bit of the system message; or, the dedicated signaling is sent to the terminal, where the dedicated signaling is The carrier type identifier is carried on at least one cell type indication bit.
  • the MBSFN subframe indication information is a subframe type identifier, where the subframe type identifier is used to indicate a subframe type of the MBSFN subframe, where the subframe type indicates whether all regions in the MBSFN subframe are MBSFN area.
  • the transmitter 602 may specifically broadcast a system message, where the at least one subframe type indication bit of the system message carries the subframe type identifier; or, the dedicated signaling is sent to the terminal, where the dedicated signaling At least one subframe type indicating bit carries the subframe type label knowledge.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the base station can be used in the method embodiment of the foregoing base station, and the implementation principle and the technical effect are similar. For related content, reference may be made to the method embodiment, and details are not described herein again.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a subframe configuration apparatus according to the present invention.
  • the subframe configuration apparatus may be integrated in the foregoing terminal.
  • the apparatus may include: a receiving module 701 and a determining module 702:
  • the receiving module 701 is configured to receive MBSFN subframe indication information sent by the base station, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas.
  • the determining module 702 is configured to determine, according to the MBSFN subframe indication information, whether all regions in the MBSFN subframe are MBSFN regions.
  • the MBSFN subframe indication information is a carrier type identifier.
  • the determining module 702 is specifically configured to determine, according to the carrier type identifier, a carrier type of the carrier to which the MBSFN subframe belongs, and determine, according to the carrier type of the carrier to which the MBSFN subframe belongs, whether all regions in the MBSFN subframe are all Multimedia Broadcast Multicast Single Frequency Network MBSFN Area.
  • the MBSFN subframe indication information is a subframe type identifier; correspondingly, the determining module 702 is specifically configured to determine, according to the subframe type identifier, a subframe type of the MBSFN subframe; The subframe type of the MBSFN subframe is determined to determine whether all regions in the MBSFN subframe are MBSFN regions.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the MBSFN subframe indication information is carried on at least one indication bit in a system message broadcast by the base station;
  • the MBSFN subframe indication information is carried on at least one indication bit in the dedicated signaling sent by the base station to the terminal.
  • system message is a system message used to indicate a secondary carrier configuration
  • the dedicated signaling is dedicated signaling for indicating secondary carrier configuration.
  • the device can be used in the method embodiment of the foregoing terminal, and the implementation principle and the technical effect are similar.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a subframe configuration apparatus according to the present invention.
  • the subframe configuration apparatus may be integrated in the foregoing base station.
  • the apparatus may include: a sending module 801 and a receiving module 802, where:
  • the receiving module 802 is configured to receive the multimedia broadcast multicast single-frequency network MBSFN subframe indication information that is sent by the base station, where the MBSFN subframe indication information is used to indicate whether all areas in the MBSFN subframe are MBSFN areas.
  • the sending module 801 is configured to send MBSFN subframe indication information to the terminal.
  • the MBSFN subframe indication information is a carrier type identifier, where the carrier type identifier is used to indicate a carrier type of a carrier to which the MBSFN subframe belongs, and the carrier type indicates whether all regions in the MBSFN subframe are all MBSFN area.
  • the MBSFN subframe indication information is a subframe type identifier, where the subframe type identifier is used to indicate a subframe type of an MBSFN subframe, where, by using a subframe type, whether all the MBSFN subframes are all indicated The areas are all MBSFN areas.
  • the at least one subframe type indicator bit is used to indicate a subframe type of multiple MBSFN subframes in the radio frame, and the subframe types of the multiple MBSFN subframes in the radio frame are the same.
  • the at least one subframe type indicator bit corresponds to the MBSFN subframe, and is used to indicate a subframe type of the MBSFN subframe.
  • the sending module 801 may be specifically configured to broadcast a system message, where the at least one indication bit of the system message carries the MBSFN subframe indication information; or send a dedicated signaling to the terminal, where the dedicated signaling Carrying the MBSFN sub on at least one indication bit Frame indication information.
  • the system message broadcast by the sending module 801 may be a system message indicating a secondary carrier configuration.
  • the dedicated signaling sent by the sending module 801 may be dedicated signaling for indicating the secondary carrier configuration.
  • the device may be used in the foregoing method for performing the method performed by the base station, and the implementation principle and the technical effect are similar. For related content, reference may be made to the method embodiment, and details are not described herein again.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be 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, and may be in an electrical, mechanical or other form.
  • 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 hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (English: processor) to perform the embodiments of the present invention. Part of the steps of the method.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (English: Read-Only Memory, abbreviated as: ROM), a random access memory (English: Random Access Memory, abbreviated as: RAM), a magnetic disk or an optical disk, and the like.
  • ROM Read-Only Memory
  • RAM Random Access Memory

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

Abstract

Des modes de réalisation de la présente invention concernent un procédé et un appareil de configuration de sous-trame. Le procédé comprend les étapes suivantes : un terminal reçoit des informations d'indication de sous-trame MBSFN envoyées par une station de base ; et le terminal détermine si toutes les régions dans une sous-trame MBSFN sont des régions MBSFN selon les informations d'indication de sous-trame MBSFN. Un terminal peut obtenir des régions MBSFN dans une sous-trame. De plus, la présente invention peut aider à assurer la précision de réception de signal de suivi et de mesure RRM.
PCT/CN2016/082062 2016-05-13 2016-05-13 Procédé et appareil de configuration de sous-trame WO2017193378A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110572837A (zh) * 2018-06-06 2019-12-13 电信科学技术研究院有限公司 一种多跳中继配置方法、设备及装置

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CN101997801A (zh) * 2009-08-11 2011-03-30 中兴通讯股份有限公司 多播/组播单频网络子帧的ofdm符号分配方法及系统
WO2015114930A1 (fr) * 2014-02-03 2015-08-06 ソニー株式会社 Appareil
CN104935418A (zh) * 2014-03-17 2015-09-23 诺基亚公司 在灵活时分双工系统中自适应后向兼容的方法和装置

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Publication number Priority date Publication date Assignee Title
CN101997801A (zh) * 2009-08-11 2011-03-30 中兴通讯股份有限公司 多播/组播单频网络子帧的ofdm符号分配方法及系统
WO2015114930A1 (fr) * 2014-02-03 2015-08-06 ソニー株式会社 Appareil
CN104935418A (zh) * 2014-03-17 2015-09-23 诺基亚公司 在灵活时分双工系统中自适应后向兼容的方法和装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110572837A (zh) * 2018-06-06 2019-12-13 电信科学技术研究院有限公司 一种多跳中继配置方法、设备及装置
CN110572837B (zh) * 2018-06-06 2021-06-08 大唐移动通信设备有限公司 一种多跳中继配置方法、设备及装置

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