WO2011127792A1 - Procédé et système pour configurer une sous-trame - Google Patents

Procédé et système pour configurer une sous-trame Download PDF

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Publication number
WO2011127792A1
WO2011127792A1 PCT/CN2011/072461 CN2011072461W WO2011127792A1 WO 2011127792 A1 WO2011127792 A1 WO 2011127792A1 CN 2011072461 W CN2011072461 W CN 2011072461W WO 2011127792 A1 WO2011127792 A1 WO 2011127792A1
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WIPO (PCT)
Prior art keywords
subframe
base station
unicast
mbsfn
subframes
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PCT/CN2011/072461
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English (en)
Chinese (zh)
Inventor
苟伟
夏树强
吴栓栓
毕峰
王斌
Original Assignee
中兴通讯股份有限公司
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Publication of WO2011127792A1 publication Critical patent/WO2011127792A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of base stations in a mobile communication long term evolution system, and in particular, to a subframe configuration method and system. Background technique
  • UE User Equipment
  • UTRA Universal Terrestrial Radio Access Network
  • E-UTRA Evolved Universal Terrestrial Radio Access Network
  • the Universal Terrestrial Radio Access Network has developed efficient DTX (Discontinuous Transmission) and Discontinuous Reception (DRX) technologies to reduce power consumption and save energy.
  • DTX Continuous Transmission
  • DRX Discontinuous Reception
  • the so-called DTX technology means that in a communication process, since the mobile user actually has only a small amount of time for the call, most of the time, no voice message is transmitted.
  • the terminal receives the network message, and determines whether There is information update. If there is an update, the mobile terminal performs uplink synchronization, and the network can know that the mobile terminal is a paged object, thereby establishing a connection between the mobile terminal and the calling terminal; therefore, during the paging cycle interval, the network will not Sending a network message to the mobile terminal, if all the network messages are transmitted to the mobile terminal, not only will the system resources be wasted, but also the interference within the system will be aggravated, which is called discontinuous transmission.
  • DRX DRX
  • the so-called DRX technology means that the mobile phone has been sleeping all the time. It wakes up every few "multi-frames", which is about one-eighth of a second.
  • the system can instruct the mobile phone to wake up four times per second to check if there is an incoming call.
  • the processor turns off the receiver and puts itself into low power.
  • sleep mode an internal timer restarts the processor after a proper amount of sleep.
  • the power of the LTE base station is mainly consumed in three aspects: (1) Baseband data processing: mainly consumes the baseband data processing of the received signal; (2) the base station radio frequency part: mainly consumes in the transmission On the power amplifier of the machine; (3) Others: For example, for active heat dissipation.
  • the power saving mainly depends on the signal processing algorithm or the hardware update improvement. For example, using a more efficient algorithm to process the data, the redundant calculation can be reduced to achieve the purpose of power saving; The power lost on the amplifier is independent of the instantaneous output power of the amplifier. At this point, power loss can only be avoided by turning off the amplifier. If the base station can be turned off for a long enough time, the efficiency of the base station and the efficiency of the power amplifier will be improved. However, if the radio is turned off, it means that the base station can no longer send any information, so it is not enough to save power by turning off the radio. Perfect, it can not guarantee the transmission of data of user equipment and save energy and energy. Summary of the invention
  • the main purpose of the present invention is to provide a method and system for configuring a subframe, which does not affect the transmission of the unicast service, and at the same time, realizes the power saving of the base station.
  • the technical solution of the present invention is achieved as follows:
  • the present invention provides a subframe configuration method, including:
  • the base station converts the unicast subframe into a multimedia broadcast multicast service single frequency network (MBSFN) subframe, and sends configuration information of the configured MBSFN subframe to the user equipment (UE), and then the base station rotates The configured MBSFN subframe is processed.
  • MBSFN multimedia broadcast multicast service single frequency network
  • the unicast subframe is an idle unicast subframe determined by the base station.
  • the method before the base station forwards the unicast subframe to the MBSFN subframe, the method further includes:
  • the base station centrally schedules the data of the UE to be sent to the UE in one or more unicast subframes.
  • the base station schedules the data of the UE in one or more unicast subframes and sends the data to the UE:
  • the base station concentrates the data in the downlink subframes #0 and #5 of the unicast subframe, and schedules;
  • the downlink subframes #4 and #9 are used;
  • the method further includes:
  • the base station determines, according to the data volume of the unicast service, whether an idle unicast subframe occurs. When the data volume of the user in one or more unicast subframes remains unchanged for a period of time, determining that the remaining unicast subframe is Idle unicast subframe.
  • the configuration signaling for transmitting the configured MBSFN subframe to the UE is: the base station transmitting the configured MBSFN by using the parameter MBSFN-SubframeConfig or the system information block 13 (SIB13) in the system information block 2 (SIB2)
  • the configuration signaling of the subframe is sent to the UE.
  • the processing is:
  • the base station does not transmit a cell-specific reference signal (CRS) in the configurable MBSFN subframe; or transmits the CRS on the previous or first two orthogonal frequency division multiplexing (OFDM) symbols, and keeps the remaining OFDM symbols as air.
  • CRS cell-specific reference signal
  • OFDM orthogonal frequency division multiplexing
  • the base station does not send the CRS in the configured MBSFN subframe: the base station keeps all the OFDM of the transferred MBSFN subframe to be empty, and the previous or the first two OFDM of the configured MBSFN subframe
  • the CRS is not transmitted within the symbol, and does not carry a Physical Hybrid ARQ Indicator Channel (PHICH), a Physical Control Format Indicator Channel (PCFICH), a Physical Downlink Control Channel (PDCCH), and the base station turns off the radio.
  • PHICH Physical Hybrid ARQ Indicator Channel
  • PCFICH Physical Control Format Indicator Channel
  • PDCCH Physical Downlink Control Channel
  • the CRS is sent on the previous or first two OFDM symbols, and the remaining OFDM symbols are kept empty:
  • the base station sends the CRS on the previous or first two OFDM symbols of the forward-configured MBSFN subframe, and carries the PHICH, the PCFICH, the PDCCH, does not send the CRS on the remaining OFDM symbols, and does not send the MBSFN reference signal and the multimedia broadcast multicast service. Data, keeping the remaining OFDM symbols empty, the base station turns off the radio on the remaining empty OFDM symbols.
  • the method further includes:
  • the base station does not send configuration signaling of the transferred configured MBSFN subframe to the multi-cell coordination entity.
  • the present invention further provides a seed frame configuration system, including: a base station, a user equipment; wherein, the base station is configured to configure a unicast subframe to be an MBSFN subframe, and send configuration signaling of the configured MBSFN subframe to The user equipment is configured to process the configured MBSFN subframes; and the user equipment is configured to receive configuration signaling of the configured MBSFN subframes sent by the base station.
  • the base station is further configured to: perform centralized scheduling of data of the UE in one or more unicast subframes, and send the data to the UE according to the data volume of the unicast service, and determine whether an idle unicast subframe occurs. Determining that the remaining unicast subframe is an idle unicast subframe when the amount of data of the user in the one or more unicast subframes remains unchanged; in the configured MBSFN subframe The CRS is not transmitted; or the CRS is transmitted on the previous or first two OFDM symbols, and the remaining OFDM symbols are left empty.
  • the method and system for implementing a subframe configuration provided by the present invention converts an idle unicast subframe into an MBSFN subframe, and the subframe that is configured to be an MBSFN subframe does not continue to transmit a cell-specific reference signal, or only in the previous one. Or transmitting the cell-specific reference signal in the first two orthogonal frequency division multiplexing symbols, so that the base station can turn off the radio frequency to save power and save energy; and, by using the scheduling principle proposed by the present invention, the base station can have idle unicast The chance of sub-frames increases, and the base station saves energy and energy as much as possible.
  • the base station has the right to control the MBSFN subframe of the configuration, and the base station has the right to reconfigure the configured MBSFN subframe as a unicast subframe at any time when the base station transmits the MBMS.
  • the unicast sub-frame transmits the unicast service data, which shortens the time for the base station to convert between the unicast sub-frame and the MBSFN sub-frame, improves the efficiency of the transfer configuration process, and also facilitates the base station to perform MBSFN sub-frames according to requirements.
  • Unicast subframes are converted to send different service data.
  • FIG. 1 is a schematic flowchart of a method for configuring a subframe according to the present invention
  • FIG. 2 is a schematic flowchart of an embodiment of a base station that schedules data to be sent to a UE in one or more unicast subframes according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a subframe configuration system according to the present invention. detailed description
  • the base station converts the unicast subframe into a multimedia broadcast multicast service single frequency network (MBSFN) subframe, and then the base station converts the configured MBSFN subframe.
  • MBSFN multimedia broadcast multicast service single frequency network
  • the configuration signaling is sent to the user equipment (UE, User Equipment).
  • UE User Equipment
  • the non-MBSFN subframe is generally used to transmit unicast service data (also called unicast subframe), in each subframe.
  • MBSFN subframe is mainly used to transmit multimedia broadcast multicast service (MBMS, Multimedia Broadcast Multicast Service ), where a small number of MBSFN subframes are also used for transmitting other services, such as positioning services;
  • MBSFN subframe structure is: LTE R8/9/10 specifies that MBSFN has 12 orthogonal frequency division multiplexing ( OFDM (Orthogonal Frequency Division Multiplexing) symbol, where the first or the first two OFDM symbols of the subframe are used for a 7-carrier Physical Downlink Control Channel (PDCCH) and some other physical channels, and the remaining OFDM symbols in the subframe are used.
  • OFDM Orthogonal frequency division multiplexing
  • the CRS is transmitted in each downlink subframe of the non-MBSFN transmission, that is, even in the downlink subframe of a non-MBSFN transmission, there is no unicast service.
  • the data is sent, but the CRS still needs to be sent because the CRS also has the effect of the UE making measurements.
  • FIG. 1 is a schematic flowchart of a method for configuring a subframe according to the present invention. As shown in FIG. 1, the method includes the following steps:
  • Step 101 The base station schedules the data in one or more unicast subframes and sends the data to the UE. Specifically, the base station schedules the data of the user equipment in one or more unicast subframes and sends the data to the UE.
  • the base station schedules the data of the user equipment in one or more unicast subframes and sends the data to the UE.
  • one or more subframes can implement data transmission of the user equipment, and the remaining unicast subframes can be idle for a long time, and the base station improves by scheduling principles.
  • Step 102 it is determined whether an idle unicast subframe occurs, and if yes, step 103 is performed; if not, step 101 is performed;
  • the base station determines, according to the data volume of the unicast service, whether an idle unicast subframe occurs, as follows: Because the base station schedules the data in one or more unicast subframes and sends the data, if the one time is within one or The amount of data of the user equipment in the multiple unicast subframes remains unchanged, and the remaining unicast subframes can be regarded as idle unicast subframes. In addition, the base station can be in a certain period of time when some users are less.
  • the scheme uses, for example, 0: 00 to 6: 00 every day, because there are fewer users in the cell during this time period, the probability of appearing idle unicast subframes is greater; if idle unicast subframes appear Then, step 103 is performed. If no unicast subframe occurs, step 101 is performed.
  • Step 103 The base station converts the unicast subframe into an MBSFN subframe.
  • the idle unicast subframe is configured to be an MBSFN subframe; the base station uses the parameter MBSFN-SubframeConfig on the system information block 2 (SIB2, System Information Block 2) to idle.
  • SIB2 system information block 2
  • the unicast subframe is configured to be an MBSFN subframe, and the configuration information is directly sent to the UE by using the SIB2;
  • the subframe numbers that can be configured as MBSFN subframes in the unicast subframe are #1, #2, #3, #6, #7. , #8
  • the downlink subframe, in the time division duplex (TDD) mode, the subframes that can be configured to be MBSFN subframes in the unicast subframe are subframe numbers #0, #4, #5, #9. Downstream subframe.
  • Step 104 The base station sends configuration signaling of the configured MBSFN subframe to the UE.
  • the base station After the base station converts the idle unicast subframe into the MBSFN subframe, the base station sends the configured signaling of the configured MBSFN subframe to the UE through the SIB2 or the SIB13; the content of the configuration signaling is unicast.
  • the frame is configured to be an MBSFN subframe.
  • the base station informs the UE that the UE is configured to be a unicast subframe of the MBSFN subframe.
  • the base station sends the configuration signaling of the configured MBSFN subframe.
  • the MBSFN subframe that the cell itself originally configured is also sent;
  • the MBSFN subframes are configured by the MCE (Multi-cell/Multicast Coordination Entity) to be sent to the base station.
  • MCE Multi-cell/Multicast Coordination Entity
  • the base station can keep the cyclic prefix (CP, Cyclic Prefix) of the subframe unchanged for the MBSFN subframe that is configured, and only refer to these subframes as MBSFN subframes, so that UEs of earlier versions of LTE (for example)
  • the UE of LTE R8 or R9 or R10) knows that the subframe is an MBSFN subframe, because if the unicast UE does not measure in the PMCH of these MBSFN subframes, the MBSFN sub-config can be transferred.
  • the CRS is not transmitted in the frame, and the unicast service is not transmitted to the UE.
  • Step 105 The base station does not send the CRS in the transferred MBSFN subframe, or sends the CRS on the previous or the first two OFDM symbols, and keeps the remaining OFDM symbols empty;
  • the base station keeps all OFDMs of the configured MBSFN subframes to be empty, where the OFDM symbols remain empty, that is, the base station does not send any data information in the OFDM symbols, and the previous or the former of the configured MBSFN subframes CRS is not transmitted in both OFDM symbols, and does not carry a physical control format indication channel (PCFICH, Physical Control Format Indicatou Channel), a Physical Hybrid ARQ Indicator Channel (PHICH), and a Physical Downlink Control Channel (PDCCH), so that consecutive empty OFDM symbols appear in the configured MBSFN subframe.
  • PCFICH Physical Control Format Indicatou Channel
  • PHICH Physical Hybrid ARQ Indicator Channel
  • PDCCH Physical Downlink Control Channel
  • the UE preferentially uses the CRS in the downlink subframes #0, #4, #5, #9 in the unicast subframe.
  • the measurement is performed, because the downlink subframes #0, #4, #5, and #9 are not configured as MBSFN subframes in this embodiment, and the UE may also use the downlink subframes #1 and # in the unicast subframe. 2.
  • the CRSs in the unicast subframes that are not configured to be MBSFN subframes are not measured in #3, #6, #7, and #8;
  • the base station implements normal transmission of the unicast service by configuring the pattern;
  • the method is as follows: The UE sends an uplink subframe of the data to the base station, and needs to perform some restrictions.
  • the limitation is simply that when the number of cell user equipments and the amount of data of the user equipment are small, the base station may schedule the UE to be in the agreed uplink.
  • the frame is transmitted, and the specific agreement is configured by the base station; the base station configures the configuration of the MBSFN subframe to implement the rule that the base station sends the feedback information according to the uplink data of the UE, and the base station can always send the feedback information on a downlink unicast subframe.
  • the base station configures a pattern that satisfies the uplink and downlink data transmission and satisfies the multiple uplink retransmissions, and configures the downlink subframe used in the pattern to be an MBSFN subframe;
  • the base station sends the CRS on the previous or first two OFDM symbols of the configured MBSFN subframe, and carries the PHICH, the PCFICH, and the PDCCH, does not send the CRS on the remaining OFDM symbols, and does not send the MBSFN reference signal and the MBMS data. Keeping the remaining OFDM symbols empty; in this way, the base station can turn off the radio on the remaining consecutive empty OFDM symbols to save power and save energy; the MBSFN reference signal is configured to transmit the MBMS service in the PMCH specified by the protocol. CRS.
  • the base station can reach the section of the MBSFN subframe in the configuration. Yes, because the base station does not send CRS in the configured MBSFN subframe, does not send unicast data, and does not send MBMS services.
  • the processing of the base station does not affect different versions of the UE. For example, for the UE receiving the unicast service, the measurement is not performed in the PMCH of the MBSFN subframe (that is, the MBSFN domain of the MBSFN subframe), so there is no CRS transmission.
  • the UE that receives the MBMS service can know which MBSFN subframes have MBMS services through the scheduling information of the MBMS service.
  • the UE receiving the MBMS service will find that the MBSFN subframes configured by the base station are not MBMS services. Therefore, these UEs do not receive the MBMS service in the MBSFN subframe configured by the base station, so the normal operation of such UE is not affected.
  • the embodiment of the present invention does not affect the normal operation of the UE, and the base station autonomously converts some unicast subframes into MBSFN subframes, and notifies the UE by using the MBSFN-SubframeConfig configuration parameter in the SIB2, the base station It is possible to not transmit CRS in the forward-configured MBSFN subframe or transmit the CRS only in the first one or two OFDM symbols of the MBSFN subframes, and do not send CRS in other OFDM symbols, and do not schedule UE data and MBMS services, thereby The base station can close the radio to achieve good energy saving of the base station.
  • the method can also include the following steps:
  • Step 106 The base station does not send the configured MBSFN subframe information to the MCE.
  • the MBSFN subframe that carries the MBMS service is configured by the MCE, and the configuration information is sent to the relevant base station. If the base station sends the configured MBSFN subframe to the MCE, the MCE can know which unicast subframes of the base station are configured to be MBSFN subframes, and the MCE discovers that all the idle unicast subframes of all the base stations in a certain range are the same, and When there is a need for the MBMS service to be transmitted, the MCE can transmit the MBMS using the configured MBSFN subframe.
  • the base station again wants to configure the configured MBSFN subframe used by the MCE as a unicast subframe, it must The MCE interacts, and informs the MCE to release the MBMS service on the configured MBSFN subframe.
  • the base station then configures the configured MBSFN subframe as a unicast sub-frame to transmit the unicast service, but the interaction between the base station and the MCE is slow. Not conducive to the flexible configuration of the base station, And affecting the stability of the MBSFN subframe that is sent to the configuration;
  • the base station of the present invention does not send the configured MBSFN subframe information to the MCE, so that the base station has the right to control the MBSFN subframes of the forwarding configuration. With the dominant right, the base station has the right to configure the MBSFN subframes as a single at any time.
  • the unicast service data is transmitted by using the configured unicast subframe, so that the time for the base station to convert the unicast subframe and the configurable MBSFN subframe to each other is shortened, the reconfiguration process time is reduced, and the implementation efficiency is improved.
  • the base station can convert the configured MBSFN subframe and the unicast subframe according to the requirements, and send different service data, or use the configured MBSFN subframe to send other services, for example, the base station can be configured in the MBSFN sub-configuration.
  • the MBMS service in the single cell mode is transmitted in the frame.
  • the present invention provides a scheduling method in which the base station needs to schedule data of the user equipment in the cell to transmit data to the UE in one or more unicast subframes.
  • the base station needs to schedule data of the user equipment in the cell to transmit data to the UE in one or more unicast subframes.
  • the amount of data of the user equipment is small, it is scheduled to be scheduled in one unicast subframe. If the amount of data of the user equipment is large, it is first scheduled in a unicast subframe. If a unicast subframe is not enough, Scheduling within the second unicast subframe.
  • Step 201 A base station will The data is concentrated in the downlink subframes #0 and #5 for scheduling;
  • the base station preferentially concentrates the data of the user equipment in the downlink subframes #0, #4, #5, and #9 of the unicast subframe for scheduling, because in the present invention, in the FDD mode.
  • the downlink subframes #0, #4, #5, and #9 are not configured as MBSFN subframes.
  • the downlink subframes #0 and #5 are used first, that is, the base station concentrates the data of the user equipment on the downlink. Scheduling in subframes #0 and #5.
  • Step 202 When the resources of the downlink subframes #0 and #5 are insufficient to transmit the unicast service in the cell, the downlink subframes #4 and #9 are used.
  • the downlink subframe #9 may be used first.
  • the downlink subframe #4 is used.
  • Step 203 When the resources of #0, #4, #5, and #9 are sufficient to transmit the unicast service in the cell, that is, when the resource is sufficient, other subframes are idle; when #0, #4, #5, and #9 The resources are insufficient to transmit the unicast service in the cell, that is, when the resources are insufficient, the subframe is added;
  • the downlink subframes #0, #4, #5, and #9 are sufficient to satisfy the transmission of the unicast service in the cell.
  • the unicast subframes in the cell will be idle;
  • the base station keeps the unicast subframes as continuous as possible during scheduling.
  • the method is directed to the FDD mode in LTE, and the TDD mode is similar to the above method except that the downlink subframe numbers #0, #4, #5, and #9 are changed to #0, #1, #5, and #6.
  • the base station configures the idle unicast subframe into an MBSFN subframe, and Transmitting the configuration signaling of the configured MBSFN to the UE; the base station does not transmit the cell-specific reference signal in the configured MBSFN subframe, or transmits the cell-specific reference signal on the previous or the first two OFDM symbols, and maintains the remaining OFDM The symbol is empty, so that when the OFDM symbol is empty, the base station turns off the radio to save power and save energy.
  • an early UE of LTE (such as a UE of R8) encounters an MBSFN subframe, it can only receive information on the previous or first two OFDM symbols of the MBSFN subframe, so that it does not affect the UE of the R8, for example, R8.
  • the UE of the R9 encounters the MBSFN subframe, if the UE is the UE of the R9 having only the unicast service, only the previous or the former of the MBSFN subframe can be received.
  • the UE if the UE is receiving MBMS, or an MBMS capable UE, it can pass the Multicast Control Channel (MCCH) information and the Multicast Channel (MCH,
  • the scheduling information (MSI, MCH scheduling information) of the multicast channel is used to know whether the information in the MBSFN subframe needs to be received, so it does not affect the UE of the R9.
  • the UE of the R9 receives and transmits the unicast service, and the UE of the R9 receives the information. Multicast service, and measurement of UE of R9, etc.
  • the solution of the present invention has good compatibility, and the unicast subframe is configured to be an MBSFN subframe after being converted into an MBSFN subframe by using the specific embodiment.
  • the subframe does not continue to transmit the CRS, or the CRS is transmitted only in the previous or the first two OFDM symbols, thereby achieving the purpose of saving energy and saving the base station.
  • the present invention is only applicable to the case where the idle unicast subframe is configured as an MBSFN subframe, and the MBSFN subframe originally configured in the cell is still processed according to the existing LTE protocol.
  • the present invention further provides a seed frame configuration system.
  • the system includes a base station 31 and a user equipment 32:
  • the base station 31 is configured to configure the unicast subframe to be configured as an MBSFN subframe, and send configuration signaling of the configured MBSFN subframe to the user equipment 32.
  • the user equipment 32 is configured to receive a configuration signal of the forward configured MBSFN subframe sent by the base station 31.
  • the base station 31 is further configured to, according to the scheduling principle, centrally schedule data to be sent to the user equipment 32 in one or more unicast subframes; determine whether an idle unicast subframe occurs according to the data volume of the unicast service, when the unicast subframe is idle for a period of time.
  • the amount of data of the user equipment in one or more unicast subframes remains unchanged, and the remaining unicast subframes are considered to be idle unicast subframes; CRS is not sent in the configured MBSFN subframes, and all are kept.
  • the OFDM symbol is empty; or the CRS is transmitted on the previous or first two OFDM symbols and the remaining OFDM symbols are left empty.

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

Abstract

La présente invention concerne un procédé pour configurer une sous-trame et comprend les étapes suivantes : une station de base configure une sous-trame d'envoi individuel en une sous-trame MBSFN (« Multicast/Broadcast over Single Frequency Network »), la station de base transmet la signalisation de configuration de la sous-trame MBSFN configurée à un équipement utilisateur (« User Equipment » ou UE). La présente invention concerne également un système pour configurer une sous-trame. Grâce à la solution technique de la présente invention, la transmission de service d'envoi individuel n'est pas affectée, et la station de base peut réaliser des économies d'énergie.
PCT/CN2011/072461 2010-04-16 2011-04-06 Procédé et système pour configurer une sous-trame WO2011127792A1 (fr)

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CN201010151161.2 2010-04-16
CN2010101511612A CN102223604B (zh) 2010-04-16 2010-04-16 一种子帧配置方法及系统

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