WO2016070552A1 - Procédé, dispositif et système d'indication de fonction - Google Patents

Procédé, dispositif et système d'indication de fonction Download PDF

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Publication number
WO2016070552A1
WO2016070552A1 PCT/CN2015/075158 CN2015075158W WO2016070552A1 WO 2016070552 A1 WO2016070552 A1 WO 2016070552A1 CN 2015075158 W CN2015075158 W CN 2015075158W WO 2016070552 A1 WO2016070552 A1 WO 2016070552A1
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mtc
subframe
pbch
channel
paging message
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PCT/CN2015/075158
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English (en)
Chinese (zh)
Inventor
陈宪明
戴博
鲁照华
刘锟
夏树强
石靖
方惠英
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中兴通讯股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • 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 communications, and in particular, to a method, apparatus, and system for function indication.
  • MTC Machine Type Communication
  • M2M Machine to Machine
  • UE User Equipment
  • GSM Global System of Mobile communication
  • LTE Long Term Evolution
  • LTE Data services will also be more attractive.
  • the cost of user equipment comes mainly from two parts: the baseband processing part and the radio frequency part.
  • reducing the uplink and/or downlink transmission bandwidth of the UE is a very effective way to reduce the cost of the MTC UE, for example, setting all uplink and/or downlink transmissions of the MTC UE.
  • the bandwidth can only be narrowband bandwidth such as 1.4MHz (even if the system bandwidth is much longer than 1.4MHz).
  • the following manners can also be used to further reduce the cost of the MTC UE: a single receive antenna, reduced transmit power, and reduced maximum transport block size (Transport Block Size, TBS for short).
  • the enhanced channel type includes a physical uplink/downlink shared channel (Physical Uplink/Downlink Shared Channel, PUSCH/PDSCH) and a Physical Uplink/Downlink Control Channel (PUCCH/PDCCH).
  • the coverage enhancement of the physical downlink shared channel (PDSCH) includes: coverage enhancement of system information block (SIB) data of broadcast nature and coverage enhancement of unicast service data. In order to accumulate more energy to improve coverage, repeated methods are often used to achieve transmission enhancements for various channel types.
  • SIB system information block
  • low-cost MTC UEs can be divided into two categories, one is a low-cost MTC device with coverage enhancement requirements (ie, coverage enhanced MTC UE), such as smart metering (Smart Metering) devices, and the other is not.
  • An MTC device ie, a conventional MTC UE with coverage enhancement requirements, such as a consumer electronics device.
  • coverage enhanced MTC devices it is not mandatory for all cells to support coverage enhanced MTC devices.
  • the existing method is to enable a coverage enhanced MTC device to first acquire the synchronization signal and the main information block of the cell through Keep Trying (Master Information).
  • MIB Magnetic Invention Block
  • MIB Mobile Broadband
  • the coverage enhanced MTC device considers that the cell is not Support for coverage enhanced MTC devices; the above method results in excessive unnecessary power loss covering the enhanced MTC device since the UE must attempt to receive public coverage-related SIB data that may not exist for a long time.
  • the present invention provides a method, apparatus and system for function indication to solve at least one of the above problems.
  • a method for function indication for a machine type communication MTC, comprising: transmitting an instruction carried in a channel or a signal to a UE, wherein the channel or signal is an initial of the UE a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the network is accessed, the instruction is used to indicate whether the network supports a preset function, and the PDSCH data includes: PDSCH data that carries a broadcast system parameter of the UE. And PDSCH data carrying unicast services.
  • the preset function includes: an MTC coverage enhancement function, and the UE is an coverage enhanced MTC UE.
  • the transmitting the command carried in the channel or the signal to the UE includes at least one of: transmitting an instruction carried by the primary synchronization signal PSS to the terminal; and transmitting an instruction carried on the physical broadcast channel PBCH to the terminal; Sending an instruction carried on a preset defined physical channel to the terminal.
  • the method includes: the sequence of the PSS is six, wherein the six PSS sequences and three different cell group identifiers and the signaling 6 Different combinations of one to one.
  • the method includes: the PBCH is transmitted on a fixed orthogonal frequency division multiplexing OFDM symbol of a predefined subframe; and the PBCH is not already in the LTE PBCH The fixed OFDM symbol of the predefined subframe does not overlap with the resources of the existing LTE PBCH transmission.
  • the method includes: the preset defined physical channel is transmitted on a fixed OFDM symbol of a predefined subframe; wherein the fixed OFDM symbol of the predefined subframe
  • the resources of the existing LTE PBCH transmission are the same as those of the existing LTE PBCH transmission, or the fixed OFDM symbols of the predefined subframe do not overlap with the resources of the existing LTE PBCH transmission.
  • the subframe that is set to be transmitted by the PBCH or the preset defined physical channel includes: at least one of subframe 0, subframe 4, subframe 5, and subframe 9; and is configured to be the PBCH transmission.
  • Fixed OFDM symbol wherein, for subframes 0 and 5, when the PBCH is an existing LTE PBCH, the fixed OFDM symbol is all but OFDM symbols occupied by the downlink control region and the synchronization signal Or partially; otherwise, the fixed OFDM symbol is all or part of other OFDM symbols except for the OFDM symbols occupied by the existing LTE PBCH, the downlink control region, and the synchronization signal; for subframes 4 and 9, the fixed OFDM symbol All or part of other OFDM symbols except the OFDM symbol occupied by the downlink control region; fixed OFDM symbols transmitted for the preset defined physical channel, when the fixed OFDM symbol and the existing LTE PBCH transmission resources are not When overlapping, where for subframes 0 and 5, the fixed OFDM symbol is all of the OFDM symbols except the OFDM symbols occupied
  • the system parameters of the coverage enhanced MTC UE are transmitted on the same narrowband as the system parameters of the regular MTC UE, where the narrowband is a predefined narrowband Or a narrowband indicated by the primary information block MIB signaling carried in the PBCH; the total number of system information blocks SIB transmitted by the network on the narrowband is N, wherein any one of the N SIBs A system parameter that covers an enhanced MTC UE and/or a system parameter of a regular MTC UE; the N is a positive integer greater than or equal to one.
  • the first SIB of the N SIBs are transmitted on a predefined subframe, and the other SIBs except the first SIB are transmitted according to respective fixed scheduling periods and scheduling time window sizes, or a respective scheduling period and a scheduling time window size transmission indicated by a field in the first SIB;
  • the predefined subframe includes, but is not limited to, subframe 0, subframe 4, subframe 5, and sub At least one of the frames 9, at least one of the subframe 0, the subframe 4, the subframe 5, and the subframe 9 in the odd radio frame, and the subframe 0, the subframe 4, the subframe 5, and the subframe 9 in all the radio frames At least one of them.
  • the method includes: when the N is equal to 1, the unique SIB includes all system parameters of the coverage enhanced MTC UE and all system parameters of the regular MTC UE; when the N is greater than 1, the N SIBs
  • the first SIB in the system includes the system parameters shared by the coverage enhanced MTC UE and the regular MTC UE, or the system parameters shared by the coverage enhanced MTC UE and the regular MTC UE and set to control other SIBs a necessary parameter of the transmission; any one of the N SIBs other than the first SIB includes a system parameter dedicated to the coverage enhanced MTC UE, or a system parameter dedicated to a regular MTC UE;
  • the necessary parameters for controlling other SIB transmissions include, but are not limited to, scheduling period and scheduling time window size and transmission format.
  • the first SIB includes system parameters shared by the coverage enhanced MTC UE and the regular MTC UE, or shared by the coverage enhanced MTC UE and the regular MTC UE. System parameters and settings necessary to control the second SIB transmission; and the second SIB includes system parameters specific to the coverage enhanced MTC UE.
  • the first SIB includes system parameters shared by the coverage enhanced MTC UE and the regular MTC UE, or shared by the coverage enhanced MTC UE and the regular MTC UE.
  • the paging Paging message of the coverage enhanced MTC UE and the Paging message of the regular MTC UE are transmitted on different narrowbands, and the coverage enhanced MTC UE and A conventional MTC UE has different paging control channel PCCH system configuration parameters; wherein the different narrowbands are predefined or indicated by the SIB signaling.
  • the method includes: when the network supports the MTC coverage enhancement function, the Paging message uses group coding or independent coding, and the Paging message is transmitted by using an enhanced downlink control channel EPDCCH scheduling or no control operation.
  • group coding in any of the Paging messages, all of the coverage enhanced MTC UEs that are simultaneously paged use or have the same repetition level.
  • the method includes: obtaining an indication that the UE is in an idle Idle state and a historical paging message repetition level; and when determining that the UE is in an idle Idle state, the Paging message is in a non-control operation transmission manner, and is logged from the history Starting with a message repetition level, in turn using all Paging message repetition levels above the historical Paging message repetition level to attempt to transmit a Paging message until receiving uplink data from the UE; when determining that the UE is in an idle Idle state, The Paging message is in accordance with the transmission mode of the EPDCCH scheduling, and starts from the historical Paging message repetition level, and sequentially uses all Paging message repetition levels above the historical Paging message repetition level to attempt to transmit the EPDCCH and the corresponding P scheduling message. Paging the message until receiving uplink data from the UE.
  • the system parameters of the coverage enhanced MTC UE and the system parameters of the regular MTC UE are transmitted in different narrowbands;
  • the MIB signaling in the PBCH indicates, or the coverage enhanced MTC UE narrowband is predefined; or the coverage enhanced MTC UE narrowband is implicitly determined by a conventional MTC UE narrowband.
  • the system parameter of the coverage enhanced MTC UE includes at least one of the following: a parameter indicating a time-frequency location of the repeatedly transmitted physical random access channel PRACH, indicating a parameter of a preset defined PRACH format, indicating that a Paging message is available.
  • a method for function indication for a machine type communication MTC, comprising: a UE receiving an instruction carried in a channel or a signal, wherein the channel or signal is the UE a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the network is initially accessed, the instruction is set to indicate whether the network supports a preset function, and the PDSCH data includes: a PDSCH that carries a system parameter of a broadcast of the UE. Data and PDSCH data carrying unicast services.
  • the preset function includes: an MTC coverage enhancement function, and the UE is an coverage enhanced MTC UE.
  • the receiving the command carried in the channel or the signal comprises at least one of: receiving an instruction carried on the primary synchronization signal PSS; receiving an instruction carried on the physical broadcast channel PBCH; and receiving an instruction carried on the preset defined physical channel.
  • the method includes: the sequence of the PSS is six, wherein the six PSS sequences and three different cell group identifiers and the signaling 6 Different combinations of one to one.
  • the method includes: the PBCH is received on a fixed orthogonal frequency division multiplexing OFDM symbol of a predefined subframe; and the PBCH is not already in the LTE PBCH The fixed OFDM symbol of the predefined subframe does not overlap with the resource that receives the existing LTE PBCH.
  • the method includes: the preset defined physical channel is received on a fixed OFDM symbol of a predefined subframe; wherein the fixed OFDM symbol of the predefined subframe The same as the resource that receives the existing LTE PBCH, or the fixed OFDM symbol of the predefined subframe does not overlap with the resource that receives the existing LTE PBCH.
  • the subframe that is set to be received by the PBCH or the preset defined physical channel includes: at least one of subframe 0, subframe 4, subframe 5, and subframe 9; and is configured to receive the PBCH Fixed OFDM symbol, wherein for subframes 0 and 5, when the PBCH is an existing LTE PBCH, the fixed OFDM The symbol is all or part of other OFDM symbols except the OFDM symbol occupied by the downlink control region and the synchronization signal; otherwise, the fixed OFDM symbol is other than the OFDM symbol occupied by the existing LTE PBCH, the downlink control region, and the synchronization signal.
  • the fixed OFDM symbol is all or part of other OFDM symbols except the OFDM symbol occupied by the downlink control region; set as the preset defined physical channel
  • the sequence in which the coverage enhanced MTC UE initially accesses the network to receive a signal or a channel includes: first receiving a synchronization signal, and then receiving a preset defined physical channel, and other physical a channel; wherein the synchronization signal includes a PSS and a secondary synchronization signal SSS; wherein the other physical channels include: an enhanced downlink control channel EPDCCH, a PBCH, and a PDSCH.
  • the method includes: when the coverage enhanced MTC UE determines, according to the instruction, that the MTC coverage enhancement function is not supported by the network, the coverage enhanced MTC UE abandons access to the network.
  • the narrowband that is shared with the regular MTC UE receives the system parameter of the coverage enhanced MTC UE; wherein the narrowband is a predefined narrowband, or according to a narrowband acquired by the primary information block MIB signaling carried in the PBCH; the total number of system information blocks SIB transmitted by the network on the narrowband is N, wherein any one of the N SIBs includes coverage enhanced MTC System parameters of the UE and/or system parameters of the regular MTC UE; the N is a positive integer greater than or equal to 1.
  • the method includes: the number of SIBs that include the coverage enhanced MTC UE system parameter in the N SIBs is M, where the M is a positive integer greater than or equal to 1 and less than or equal to N; the first of the M SIBs An SIB is received on a predefined subframe, and other SIBs except the first SIB are received according to respective fixed scheduling periods and scheduling time window sizes, or the respective schedulings are obtained according to fields from the first SIB.
  • the period and the scheduling time window size are received; wherein the predefined subframe includes, but is not limited to, at least one of subframe 0, subframe 4, subframe 5, and subframe 9 in an even radio frame, in an odd radio frame At least one of subframe 0, subframe 4, subframe 5, and subframe 9, and at least one of subframe 0, subframe 4, subframe 5, and subframe 9 in all radio frames.
  • the network supports the MTC coverage enhancement function, receiving a Paging message according to the PCCH system configuration parameter on the determined narrowband; wherein the determined narrowband is predefined, or Is a narrowband obtained according to SIB signaling; the determined narrowband and the PCCH system configuration parameters are different from the narrowband and PCCH system configuration parameters used by the regular MTC UE Paging message.
  • the paging message is transmitted by using group coding or independent coding, and enhanced downlink control channel EPDCCH scheduling or no control operation; In the case of any of the Paging messages, all of the coverage enhanced MTC UEs that are simultaneously paging use or have the same repetition level.
  • the EPDCCH scheduling transmission mode when the coverage enhanced MTC UE is in the idle Idle state, if the EPDCCH scheduling transmission mode is used, the EPDCCH of the scheduling Paging message is received in a blind detection manner according to the historical Paging message repetition level, and then, according to the setting Receiving a Paging message for the EPDCCH scheduling the paging message; if it is used based on the uncontrolled operation and the independent coding transmission mode, receiving the Paging message in a blind detection manner according to the historical Paging message repetition level; if it is used based on the uncontrolled operation and the group coding transmission mode The Paging message is received in a blind detection manner according to the historical paging message repetition level and the TBS set of the potential Paging message.
  • the system parameters of the coverage enhanced MTC UE are received in a narrowband different from the regular MTC UE; wherein the narrowband is a predefined narrowband, or according to The narrowband acquired by the MIB signaling carried in the PBCH, or the narrowband implicitly determined according to the narrowband of the conventional MTC UE.
  • a device for providing a function indication configured as a machine type communication MTC, includes: a sending module, configured to send an instruction carried in a channel or a signal to the UE, where The channel or the signal is a channel or a signal that needs to be received before the UE receives the PDSCH or the PDCCH data when the UE initially accesses the network, and the instruction is used to indicate whether the network supports a preset function, where the PDSCH data includes: carrying the PDSCH data of system parameters of the broadcast of the UE, and PDSCH data carrying the unicast service.
  • the preset function includes: an MTC coverage enhancement function, and the UE is an coverage enhanced MTC UE.
  • a device for function indication for a machine type communication MTC, comprising: a receiving module, configured to receive, by the UE, an instruction carried in a channel or a signal, wherein the channel or The signal is a channel or a signal that needs to be received before receiving the PDSCH or the PDCCH data when the UE initially accesses the network, and the instruction is used to indicate whether the network supports a preset function, where the PDSCH data includes: carrying the UE PDSCH data of broadcast system parameters and PDSCH data carrying unicast services.
  • the preset function includes: an MTC coverage enhancement function, and the UE is an coverage enhanced MTC UE.
  • a system for function indication, for machine type communication MTC comprising: a base station side, comprising the apparatus according to any one of the preceding claims; a terminal side comprising the above-mentioned claims The device of any of the preceding claims.
  • the UE is sent to the UE by using an instruction to be transmitted in a channel or a signal, where the channel or signal is a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network, and the command is used by the UE.
  • the PDSCH data includes: PDSCH data carrying a system parameter of a broadcast of the UE, and PDSCH data carrying a unicast service, which solves unnecessary power loss of the coverage enhanced MTC UE. The problem, thus avoiding excessive power loss of the MTC UE.
  • FIG. 1 is a flowchart 1 of a method for indicating a function according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of available fixed OFDM symbols of a predefined subframe according to an embodiment of the present invention
  • FIG. 3 is a second flowchart of a method for indicating a function according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram 1 of an apparatus for indicating a function according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram 2 of an apparatus for function indication according to an embodiment of the present invention.
  • FIG. 1 is a flowchart 1 of a method for indicating a function according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:
  • Step S102 Send an instruction carried in a channel or a signal, where the channel or signal is a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network, and the instruction is used for Indicates whether the network supports a preset function, and the PDSCH data includes: PDSCH data carrying a system parameter of a broadcast of the UE, and PDSCH data carrying a unicast service.
  • the signaling indicates whether the network supports the preset function, where the foregoing signaling is carried in a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network; wherein the PDSCH data includes The PDSCH data carrying at least the broadcast and the PDSCH data carrying the unicast service solve the problem of covering unnecessary power loss of the enhanced MTC UE, thereby avoiding excessive power loss of the MTC UE.
  • the preset function may be multiple, including: an MTC coverage enhancement function; in this case, the foregoing UE is an coverage enhanced MTC UE.
  • the PDCCH includes, but is not limited to, an Enhanced Physical Downlink Control Channel (EPDCCH) data.
  • EPDCCH Enhanced Physical Downlink Control Channel
  • the resource mapping of the PDCCH of the existing LTE system is performed in the full bandwidth range, so the above existing PDCCH will no longer be applicable to the coverage enhanced MTC UE having only the narrowband transmission capability; however, the EPDCCH of the existing LTE system is supported.
  • narrowband transmission that is, a physical resource block (PRB) can be occupied in the frequency domain.
  • PRB physical resource block
  • the command to be sent in the channel or the signal to the UE may be in multiple manners, and may include at least one of the following: the channel or the signal includes: a primary synchronization signal (PSS) and a physical A Physical Broadcast Channel (PBCH) and a new physical channel (which may also be referred to as a preset defined physical channel) dedicated to transmitting the above signaling.
  • the PSS and the preset defined physical channel are dedicated to covering signals and channels of the enhanced MTC UE; the PBCH is dedicated to the coverage enhanced MTC UE or the PBCH channel dedicated to the coverage enhanced MTC UE and the regular MTC UE, or Is the PBCH already in the current LTE system.
  • the advantage of using the new physical channel dedicated to transmitting the above signaling is that it has a higher coverage capability due to the least content carried (only 1 bit payload), and it requires less decoding delay and power than PBCH. Lower consumption.
  • the PSS sequence when the command is carried in the primary synchronization signal PSS, the PSS sequence is six different from the existing LTE system, and the PSS time-frequency location of the PSS and the existing LTE system.
  • the same time-frequency resource is: the last Orthogonal Frequency Division Multiplexing (OFDM) symbol in the first time slot of subframes 0 and 5 in the time domain, which is located in the frequency domain.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the above six PSS sequences are in one-to-one correspondence with three different cell group identifiers and six different combinations of the above instructions.
  • the specific correspondence can be as shown in the following table:
  • the method can not change the existing downlink synchronization behavior of the UE, including OFDM symbols and time slots. , subframe, and half-frame timing.
  • the base station or the network eNB can simultaneously transmit two sets of PSSs at the same time-frequency resource location as described above, for example, by different radio frequency modules, or after baseband superposition, and then used for existing LTE. Synchronization with coverage enhanced MTC UEs.
  • the method when the command is carried on the physical broadcast channel PBCH, the method includes:
  • the above PBCH is transmitted on a fixed OFDM symbol of a predefined subframe.
  • the predefined subframe configured for the PBCH transmission includes: at least one of subframe 0, subframe 4, subframe 5, and subframe 9; and a fixed OFDM symbol set for the PBCH transmission, where, for the subframe 0 and subframe 5, when the PBCH is a PBCH that inherits an existing LTE system (which may also be referred to as existing LTE), the fixed OFDM symbol is an OFDM symbol other than the OFDM symbol occupied by the downlink control region and the synchronization signal.
  • existing LTE existing LTE
  • the fixed OFDM symbol is all or part of other OFDM symbols except the OFDM symbols occupied by the existing LTE PBCH, the downlink control region, and the synchronization signal; for subframe 4 and subframe 9, the fixed OFDM symbol It is all or part of other OFDM symbols except the OFDM symbols occupied by the downlink control region.
  • the existing LTE PBCH resources allocated to the existing LTE system that is, the first 4 OFDM symbols of the second slot of the subframe 0, are used to save overhead.
  • the predefined subframe includes at least subframe 0 and the fixed OFDM symbol of the subframe 0 includes at least the above 4 OFDM symbols; when the PBCH is dedicated to coverage enhanced MTC UE or dedicated to coverage enhanced MTC UE and regular MTC UE (also When the PBCH may be referred to as non-existing LTE), the above method can ensure that the fixed OFDM symbol of the above-mentioned predefined subframe used for the PBCH transmission does not overlap with the resource or fixed OFDM symbol used for the existing LTE PBCH transmission.
  • the PBCH is a non-existing LTE PBCH and a predefined subframe for transmitting the PBCH includes a subframe 0, a subframe 4, a subframe 5, and a subframe 9; specifically, Subframe 0 is an example.
  • the first three OFDM symbols in subframe 0 are the downlink control region of the existing LTE system for resource mapping in the entire system bandwidth, and the first slot in subframe 0 (slot 0)
  • the last 2 OFDM symbols are existing LTE
  • the primary and secondary synchronization signals PSS/SSS, the first 4 OFDM symbols of the second time slot (slot 1) in subframe 0 are existing LTE PBCHs, so to avoid serious interference between different physical channels or signals, subframe 0
  • the above 9 OFDM symbols are not available for transmission of the PBCH; similarly, they are fixedly occupied by existing LTE physical channels or signals in other predefined subframes (including subframe 4, subframe 5, and subframe 9)
  • the OFDM symbol is also not available for transmission of the PBCH.
  • the fixed OFDM symbols in different predefined subframes transmitting the PBCH may be the same or different.
  • the reserved bits carried in the existing MIB field in the existing LTE PBCH may be used.
  • the content of the foregoing existing MIB field includes a system frame number (8 bits), a downlink bandwidth indication (3 bits), a physical HARQ indication channel (PHICH) configuration (3 bits), and a reserved field (10 bits);
  • the HARQ is an abbreviation of Hybrid Automatic Repeated Request.
  • One bit of the above reserved 10-bit reserved field may be used as the instruction to indicate to all coverage enhanced MTC UEs whether the current network supports MTC coverage enhancement.
  • the preset defined physical channel is transmitted on a fixed OFDM symbol of a predefined subframe; wherein the predefined subframes set to be preset defined physical channel transmissions include: subframe 0, subframe 4, subframe 5, and subframe At least one of 9.
  • the fixed OFDM symbol of the foregoing predefined subframe is the same (overlap) as the resource (OFDM symbol) set to the existing LTE PBCH transmission, that is, the first 4 OFDM of the second slot (slot 1) in the subframe 0 a symbol; at this time, the predefined subframe is subframe 0 and the fixed OFDM symbol is the first 4 OFDM symbols of the second slot; the method can save physical channel overhead as much as possible, but due to different channels Interference, larger acquisition or decoding delays may be caused, which is not conducive to energy saving;
  • the fixed OFDM symbol of the foregoing predefined subframe does not overlap with the resources of the existing LTE PBCH transmission; the fixed OFDM symbol transmitted by the preset defined physical channel is set at this time, where the fixed is fixed for subframes 0 and 5.
  • the OFDM symbol is all or part of other OFDM symbols except the OFDM symbols occupied by the existing LTE PBCH, the downlink control region, and the synchronization signal; for subframes 4 and 9, the fixed OFDM symbol is the OFDM occupied by the downlink control region. All or part of other OFDM symbols than symbols; although this method can ensure the transmission performance of the defined physical channel by default, it leads to more physical channel overhead, especially at the center of the system bandwidth.
  • the foregoing preset definition physical channel structure may be based on an extension of a sequence/orthogonal code in a time-frequency domain, or based on a conventional channel coding and modulation manner; when the above-described sequence/orthogonal code extension mode is applied,
  • the above-mentioned preset definition physical channel can also be used for downlink synchronization in consideration of its structure similar to the synchronization signal.
  • the coverage enhanced MTC UE does not know the system bandwidth in the case of receiving the PBCH or the preset defined physical channel
  • the PBCH or the frequency location of the preset defined physical channel must always be located at six physical resources in the center of the system bandwidth.
  • the number of fixed OFDM symbols for the PBCH or the predefined defined subframe and/or predefined subframe for the defined physical channel transmission may be relatively large.
  • the system parameters dedicated to the coverage enhanced MTC UE are no longer included in all system parameters broadcast by the eNB.
  • the network will only consider the regular MTC UE type and will no longer consider the coverage enhanced MTC UE type.
  • the predefined subframes used to broadcast any of the system parameters need not be excessive, or the corresponding scheduling time window size does not need to be set too large.
  • the scheduling time window periodically appears based on a scheduling period of the system parameter and includes at least 1 subframe.
  • the degree of mobility support, and the transmission manner of the specific physical channel are not completely the same.
  • the coverage enhanced MTC UE the repeated transmission mechanism of the specific physical channel and the corresponding repetition level will be introduced, so the system configuration parameters of the above two types of MTC UEs may not be completely the same.
  • the coverage enhanced MTC UE system parameters and the regular MTC UE system parameters may be transmitted on the same narrowband, where the narrowband is a predefined narrowband or is carried by the primary carried in the PBCH.
  • the narrowband is a predefined narrowband or is carried by the primary carried in the PBCH.
  • one of the plurality of narrowbands may be predefined, or one of the plurality of narrowbands may be indicated by the MIB signaling for transmitting the two types of MTC UEs.
  • the type of system parameter The type of system parameter.
  • the total number of system information blocks SIBs transmitted by the network or the eNB on the narrowband is N, wherein any one of the N SIBs includes a system parameter that covers the enhanced MTC UE and/or a system parameter of the regular MTC UE; N is a positive integer greater than or equal to 1.
  • the first SIB of the N SIBs are transmitted on a predefined subframe, and other SIBs except the first SIB are transmitted according to respective fixed scheduling periods and scheduling time window sizes, or according to fields in the first SIB. Instructed respective scheduling period and scheduling time window size transmission; wherein the predefined subframe includes, but is not limited to, at least one of subframe 0, subframe 4, subframe 5, and subframe 9 in an even radio frame, odd number Subframe 0 in the radio frame, At least one of subframe 4, subframe 5, and subframe 9, and at least one of subframe 0, subframe 4, subframe 5, and subframe 9 in all radio frames.
  • the unique SIB includes all system parameters that cover all system parameters of the enhanced MTC UE and the regular MTC UE; at this time, the system parameters of the regular MTC UE and the coverage enhanced MTC UE are uniformly designed, that is, Which UE type, the system parameter set they receive is always the same, except that the system parameters dedicated to the coverage enhanced MTC UE are invalid for the regular MTC UE, and the system parameters similarly dedicated to the regular MTC UE are Covering enhanced MTC UEs is also ineffective.
  • the first SIB of the N SIBs includes system parameters shared by the enhanced enhanced MTC UE and the regular MTC UE, or the system parameters shared by the coverage enhanced MTC UE and the regular MTC UE, and The necessary parameters for controlling other SIB transmissions; any one of the N SIBs except the first SIB includes system parameters dedicated to the coverage enhanced MTC UE, or system parameters specific to the regular MTC UE
  • the necessary parameters for controlling other SIB transmissions include, but are not limited to, a scheduling period, a scheduling time window size, a transmission format, and specific content included in the SIB; the transmission formats include, but are not limited to, a TBS and an allocated number of PRBs.
  • the network will need to consider both regular and coverage enhanced MTC UE types.
  • a pre-defined subframe for transmitting the first SIB of the foregoing N SIBs is required, and a scheduling time window size of other SIBs including system parameters dedicated to covering the enhanced MTC UE needs to be set larger;
  • the scheduling time window size of other SIBs containing system parameters specific to regular MTC UEs need not be set too large.
  • the first SIB includes a conventional MTC UE and a coverage enhanced MTC UE sharing system parameter, or a system parameter shared by the regular MTC UE and the coverage enhanced MTC UE, and a necessary parameter for controlling the second SIB transmission; and, the second SIB Contains system parameters specific to the coverage enhanced MTC UE.
  • the system parameters of the conventional MTC UE and the coverage enhanced MTC UE are independently designed, and it is assumed that the system parameters required by the conventional MTC UE must be the system parameters required for the enhanced MTC UE, but the system parameters required for the coverage enhanced MTC UE may not be applicable.
  • regular MTC UEs For regular MTC UEs.
  • all system parameters are classified into two types, one is a system parameter shared by a regular MTC UE and a coverage enhanced MTC UE, and a necessary parameter for controlling a second SIB transmission, and the other is a system dedicated to covering an enhanced MTC UE. parameter.
  • Both the regular and coverage enhanced MTC UEs need to receive the first SIB, but the conventional MTC UE does not need to receive the second SIB, and the necessary parameters for controlling the second SIB transmission are invalid for the regular MTC UE, and the coverage enhanced MTC UE receives the first
  • the second SIB message will continue to be received in addition to the SIB.
  • the first SIB includes a conventional MTC UE and a coverage enhanced MTC UE sharing system parameter, or a system parameter shared by the regular MTC UE and the coverage enhanced MTC UE, and necessary parameters for controlling the second and third SIB transmissions;
  • the second and third SIBs or the third and second SIBs respectively include system parameters dedicated to the coverage enhanced MTC UE and the regular MTC UE.
  • the system parameters of the regular and coverage enhanced MTC UE are independently designed, and it is assumed that the system parameters required by the conventional MTC UE are partially coincident with the system parameters required by the coverage enhanced MTC UE; specifically, all system parameters are classified into three types.
  • the first type is the system parameters shared by the regular MTC UE and the coverage enhanced MTC UE, and the necessary parameters for controlling the second and third SIB transmissions
  • the second type is the system parameter dedicated to covering the enhanced MTC UE (assumed to be the first
  • the second type is the system parameter dedicated to covering the enhanced MTC UE (assumed to be the first
  • the second category is the system parameters dedicated to the regular MTC UE (assumed to be the third SIB).
  • Both the normal MTC UE and the coverage enhanced MTC UE need to receive the first SIB; the conventional MTC UE does not need to receive the second SIB, and the necessary parameters for controlling the second SIB transmission are invalid for the regular MTC UE, but continue to receive the third.
  • the SIB; the coverage enhanced MTC UE continues to receive the second SIB in addition to receiving the first SIB, but does not need to receive the third SIB, and the necessary parameters for controlling the third SIB transmission are invalid for the coverage enhanced MTC UE
  • the first SIB when the command is carried in a non-existing LTE PBCH, the first SIB may include system bandwidth information included in an MIB carried in an existing LTE PBCH in an existing LTE system, but considering the MTC UE.
  • the system bandwidth cannot be determined when the first SIB is received, so in this case, at least the transmission narrowband of the first SIB can only be predefined as a narrowband of the system bandwidth center, or by being carried by the non-existing LTE PBCH.
  • the new MIB field above at least indicates the determined frequency offset of the transmission narrowband of the first SIB described above.
  • the coverage enhancement and the paging Paging message of the regular MTC UE are transmitted on different narrowbands, and the coverage enhanced MTC UE and the regular MTC UE have different paging controls.
  • Channel PCCH Paging Control Channel, PCCH for short
  • the Paging message of the enhanced MTC UE is covered, using group coding or independent coding, and transmitting according to EPDCCH scheduling or no control operation; in the case of group coding, in any Paging message, searching simultaneously All coverage of the call enhances the use of the MTC UE or has the same repetition level.
  • group coding means that any one of the paging messages may include one or more paging records for paging one or more UEs; the foregoing independent coding means that any one of the paging messages always includes a paging for one UE. The only one is the paging record.
  • the Paging message repetition level of the UE history is also acquired.
  • the historical Paging message repetition level is obtained from the Mobile Management Entity (MME), and the repetition level of the historical Paging message is used, and the repetition level of the historical Paging message is used in sequence. All Paging message repetition levels, attempting to transmit a Paging message until receiving uplink data from the coverage enhanced MTC UE;
  • MME Mobile Management Entity
  • the historical Paging message repetition level is obtained from the MME, and starting from the historical Paging message repetition level, all the Paging message repetition levels above the historical Paging message repetition level are sequentially used, and the transmission scheduling is attempted.
  • PPDCCH message EPDCCH and corresponding Paging message until receiving uplink data from the coverage enhanced MTC UE;
  • the specific repeated transmission times required by the paging message itself are related to the transport block size TBS of the paging message according to the determined paging level of the paging message; wherein the TBS depends on the coverage enhanced MTC UE using the same repetition level for simultaneous paging.
  • the number of UEs that are simultaneously paged is always one, so the above TBS is always a fixed value; for group coding, the number of UEs that are simultaneously paged may be different UE numbers greater than or equal to 1, Therefore, the above TBS is a non-fixed value.
  • the system parameters of the coverage enhancement MTC UE and the system parameters of the regular MTC UE may also be transmitted in different narrowbands; at this time, it is equivalent to the regular MTC UE and the coverage enhancement.
  • MTC UEs use different narrowband systems without any interference from each other.
  • the coverage enhanced MTC UE narrowband is pre-defined by the MIB signaling carried in the PBCH, or the coverage enhanced MTC UE narrowband is implicitly determined by the conventional MTC UE narrowband; the PBCH is dedicated to The coverage enhanced MTC UE or the PBCH channel dedicated to covering the enhanced MTC UE and the regular MTC UE.
  • the coverage enhanced MTC UE narrowband can be determined according to the following equation:
  • q 1 denotes a narrowband index identifying a narrowband position of a regular MTC UE
  • q 2 denotes a narrowband index that identifies a narrowband position of the enhanced MTC UE
  • Q denotes a total available narrowband number
  • k denotes a fixed offset or depends on system bandwidth or total The offset of the available narrowband number Q.
  • the system parameter dedicated to the coverage enhanced MTC UE includes at least one of the following:
  • a parameter indicating a time-frequency location of a physical random access channel (PRACH) that is repeatedly transmitted indicating a parameter of a preset defined PRACH format, indicating a parameter of a available subframe of the paging message, and indicating a physical channel Repeated transmission of resources or repeated transmission level/number of parameters.
  • PRACH physical random access channel
  • FIG. 3 is a flowchart 2 of a method for function indication according to an embodiment of the present invention. As shown in FIG. 3, the flow includes the following steps. step:
  • Step S202 The UE receives an instruction carried in a channel or a signal, where the channel or signal is a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network, and the instruction is used to indicate whether the network supports the network.
  • the preset function, the PDSCH data includes: PDSCH data carrying a system parameter of a broadcast of the UE, and PDSCH data carrying a unicast service.
  • the signaling indicates whether the network supports the preset function, where the foregoing signaling is carried in a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network; wherein the PDSCH data includes The PDSCH data carrying at least the broadcast and the PDSCH data carrying the unicast service solve the problem of covering unnecessary power loss of the enhanced MTC UE, thereby avoiding excessive power loss of the MTC UE.
  • the preset function includes an MTC coverage enhancement function; at this time, the UE is an coverage enhanced MTC UE.
  • the foregoing PDCCH includes but is not limited to EPDCCH data.
  • the receiving the command carried in the channel or the signal may be in multiple manners, and may include at least one of the following: the channel or the signal includes: a primary synchronization signal PSS and a physical broadcast channel PBCH, and is dedicated to transmitting the signaling.
  • New physical channel also known as a preset defined physical channel.
  • the PSS and the preset defined physical channel are dedicated to covering signals and channels of the enhanced MTC UE; the PBCH is dedicated to the coverage enhanced MTC UE or the PBCH channel dedicated to the coverage enhanced MTC UE and the regular MTC UE, or Is the PBCH already in the current LTE system.
  • the advantage of using the new physical channel dedicated to transmitting the above signaling is that it has a higher coverage capability due to the least content carried (only 1 bit payload), and it requires less decoding delay and power than PBCH. Lower consumption.
  • the PSS sequence when the command is carried in the PSS, the PSS sequence is six and different from the PSS sequence of the existing LTE system, and the PSS is the same as the PSS time-frequency position of the existing LTE system.
  • the above six PSS sequences are in one-to-one correspondence with three different cell group identifiers and six different combinations of the above instructions.
  • the method includes:
  • the PBCH is received on a fixed OFDM symbol of a predefined subframe
  • the PBCH is an existing LTE PBCH
  • the reserved bits carried in the existing MIB field in the existing LTE PBCH may be used. If the PBCH is not already existing in the LTE PBCH, the fixed OFDM symbol of the foregoing predefined subframe used for the PBCH reception does not overlap with the resource used for the existing LTE PBCH reception.
  • the preset defined physical channel is received on a fixed OFDM symbol of a predefined subframe; wherein the fixed OFDM symbol of the predefined subframe It can be the same (overlap) as the resource (OFDM symbol) that receives the existing LTE PBCH.
  • This method can save the physical channel overhead as much as possible, but due to the interference between different channels, more presets define the repetition of the physical channel and more. A large acquisition or decoding delay may be caused, which is not conducive to energy saving; or the fixed OFDM symbol of the predefined subframe does not overlap with the resource that receives the existing LTE PBCH, although the method can ensure the transmission of the preset defined physical channel.
  • the foregoing preset definition physical channel structure may be based on an extension of a sequence/orthogonal code in a time-frequency domain, or based on a conventional channel coding and modulation manner; when the above-described sequence/orthogonal code extension mode is applied,
  • the above-mentioned preset definition physical channel can also be used for downlink synchronization in consideration of its structure similar to the synchronization signal.
  • the subframe used for receiving the PBCH or the preset defined physical channel includes:
  • a fixed OFDM symbol for the PBCH reception wherein, for subframe 0 and subframe 5, when the PBCH is an existing LTE PBCH, the fixed OFDM symbol is other than an OFDM symbol occupied by a downlink control region and a synchronization signal. All or part of an OFDM symbol; otherwise, the fixed OFDM symbol is all or part of an OFDM symbol other than an OFDM symbol occupied by an existing LTE PBCH, a downlink control region, and a synchronization signal; for subframe 4 and subframe 9, The fixed OFDM symbol is all or part of other OFDM symbols except the OFDM symbol occupied by the downlink control region;
  • the fixed OFDM symbol received by the physical channel for the preset definition when the fixed OFDM symbol does not overlap with the resources of the existing LTE PBCH transmission, wherein for the subframe 0 and the subframe 5, the fixed OFDM symbol is except for the OFDM symbol All or part of other OFDM symbols except the OFDM symbol occupied by the LTE PBCH, the downlink control region, and the synchronization signal; for subframe 4 and subframe 9, the fixed OFDM symbol is other OFDM than the OFDM symbol occupied by the downlink control region All or part of the symbol.
  • the sequence of the coverage enhanced MTC UE initial access network receiving signal or channel includes:
  • the synchronization signal comprises:
  • PSS Primary synchronization signal
  • SSS Secondary Synchronization Signal
  • the other physical channels include: EPDCCH, PBCH, PDSCH, and the like.
  • the coverage enhanced MTC UE when the coverage enhanced MTC UE determines, according to the instruction, that the MTC coverage enhancement function is not supported by the network, the coverage enhanced MTC UE gives up access to the network.
  • the system parameters of the coverage enhanced MTC UE are received in a narrowband shared with the regular MTC UE; wherein the narrowband is a predefined narrowband or is carried according to the PBCH.
  • the narrowband is a predefined narrowband or is carried according to the PBCH.
  • Narrowband acquired by MIB signaling in the middle the PBCH is dedicated to coverage enhanced MTC UE or PBCH dedicated to coverage enhancement and regular MTC UE.
  • the total number of SIBs transmitted by the network on the narrowband is N, wherein any one of the N SIBs includes a system parameter that covers enhanced MTC UE system parameters and/or a regular MTC UE; the N is a positive integer greater than or equal to one.
  • the number of SIBs that include the system parameters of the enhanced MTC UE in the N SIBs is M, where the M is a positive integer greater than or equal to 1 and less than or equal to N, preferably equal to 1 or 2; the first SIB of the M SIBs is The SIBs received in the predefined sub-frames are received according to the respective fixed scheduling period and the scheduling time window size, or the respective scheduling periods and scheduling times are obtained according to the fields in the first SIB.
  • the window size is received; wherein the predefined subframe includes, but is not limited to, at least one of subframe 0, subframe 4, subframe 5, and subframe 9 in the even-numbered radio frame, and subframe 0 and subframe in the odd-numbered radio frame At least one of frame 4, subframe 5, and subframe 9, and at least one of subframe 0, subframe 4, subframe 5, and subframe 9 in all radio frames.
  • the Paging message is received according to the PCCH system configuration parameter on the determined narrowband; wherein the determined narrowband is predefined or acquired according to the SIB signaling. Narrowband; and the determined narrowband and the PCCH system configuration parameters are different from the narrowband and PCCH system configuration parameters used by conventional MTC UE Paging messages.
  • the Paging message is transmitted using group coding or independent coding, and is transmitted based on EPDCCH scheduling or no control operation; in the case of group coding, in any of the Paging messages, All of the coverage enhancements of the MTC UE use or have the same repetition level.
  • the EPDCCH of the scheduling Paging message is received in a blind detection manner according to the historical paging message repetition level, and then the Paging message is received according to the EPDCCH for scheduling the paging message; wherein the EPDCCH of the scheduling Paging message is received.
  • the repetition level is always the same as the paging message repeating level.
  • the coverage enhanced MTC UE sequentially attempts to decode the EPDCCH of the scheduled Paging message based on the historical Paging message repetition level until the maximum Paging message repetition level until the decoding is correctly performed; the Downlink Control Information (Downlink Control Information)
  • the size of the DCI is a fixed value, so the EPDCCH that attempts to decode the scheduled Paging message based on determining the Paging message repetition level does not need to blindly detect the DCI size of the EPDCCH channel; then, the Paging message is decoded according to the acquired DCI information; wherein the DCI Contains the transport format of the paging message (including Paging message TBS, etc.).
  • the Paging message is received in a blind detection manner according to the historical Paging message repetition level; specifically, the coverage enhanced MTC UE sequentially attempts to decode the Paging based on the historical Paging message repetition level up to the maximum Paging message repetition level.
  • the message is not correctly decoded; wherein, since the TBS for the independently encoded Paging message is a fixed value, it is not necessary to blindly detect the Paging message TBS size based on determining the Paging message repetition level to attempt to decode the Paging message.
  • the Paging message is received in a blind detection manner according to the historical Paging message repetition level and the TBS set of the potential Paging message; specifically, the coverage enhanced MTC UE is sequentially based on the historical Paging message repetition level. Until the maximum paging message repetition level attempts to decode the Paging message until correctly decoded; wherein attempting to decode the Paging message based on determining the Paging message repetition level comprises: respectively based on a possible different Paging message TBS, and the determined Paging of the TBS in the above determination The number of specific repeated transmissions under the message repetition level attempts to decode the Paging message.
  • the coverage enhanced MTC UE may sequentially attempt to decode the Paging message based on the second repetition level and the third repetition level until correctly decoding; wherein, the attempt to decode the Paging message based on the second repetition level refers to respectively Based on the above four different Paging messages TBS and the specific repeated transmission times of the TBS at the second repetition level, the Paging message is attempted to be decoded.
  • the attempt to decode the Paging message based on the 3Paging message repetition level refers to the TBS based on the above 4 different Paging messages respectively.
  • the specific number of repeated transmissions of the TBS under the third repetition level attempts to decode the Paging message.
  • the narrowband reception different from the conventional MTC UE covers all system parameters of the enhanced MTC UE; wherein the narrowband is a predefined narrowband or is carried in the PBCH.
  • the coverage enhanced MTC UE is exhausted by using a method in the channel or signal that needs to be received before receiving the PDSCH or PDCCH data when the coverage enhanced MTC UE initially accesses the network, indicating whether the network supports the MTC coverage enhancement function. It is possible to quickly acquire the support capability of the current network, and solve the problem of unnecessary power loss of the coverage enhanced MTC UE, thereby avoiding excessive power loss of the MTC UE.
  • FIG. 4 is a structural block diagram of an apparatus for function indication according to an embodiment of the present invention.
  • the apparatus 1 is used for a machine type communication MTC. As shown in FIG. 4, the apparatus is located in a base station side, and the apparatus includes:
  • the sending module 32 is configured to send an instruction carried in a channel or a signal, where the channel or signal is a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network, and the instruction is used for Indicates whether the network supports a preset function, and the PDSCH data includes: PDSCH data carrying a system parameter of a broadcast of the UE, and PDSCH data carrying a unicast service.
  • the instruction is used to indicate whether the network supports the preset function by using the foregoing, where the instruction is carried in a channel or a signal that needs to be received before receiving the PDSCH or the PDCCH data when the UE initially accesses the network; where the PDSCH data includes: At least the broadcasted PDSCH data and the PDSCH data carrying the unicast service solve the problem of covering unnecessary power loss of the enhanced MTC UE, thereby avoiding excessive power loss of the MTC UE.
  • the preset function includes: an MTC coverage enhancement function, and the UE is an coverage enhanced MTC UE.
  • FIG. 5 is a structural block diagram 2 of a device for function indication according to an embodiment of the present invention.
  • the device For a machine type communication MTC, as shown in FIG. 5, located in a terminal side, the device includes:
  • the receiving module 42 is configured to receive, by the UE, an instruction carried in a channel or a signal, where the channel or signal is a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network, the instruction is used for Indicates whether the network supports a preset function, and the PDSCH data includes: PDSCH data carrying a system parameter of a broadcast of the UE and PDSCH data carrying a unicast service.
  • the instruction is used to indicate whether the network supports the preset function by using the foregoing, where the instruction is carried in a channel or a signal that needs to be received before receiving the PDSCH or the PDCCH data when the UE initially accesses the network; where the PDSCH data includes: At least the broadcasted PDSCH data and the PDSCH data carrying the unicast service solve the problem of covering the unnecessary power loss of the enhanced MTC UE, thereby avoiding excessive power loss of the MTC UE.
  • the preset function includes: an MTC coverage enhancement function, and the UE is an coverage enhanced MTC UE.
  • a system for function indication is also provided for the machine type communication MTC, including:
  • the base station side includes the foregoing device on the base station side, and the device implements the method in the foregoing embodiment
  • the terminal side includes the above-mentioned terminal side device, and the device implements the method in the above embodiment.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the UE is sent by transmitting an instruction in a channel or a signal, where the channel or signal is a channel or a signal that needs to be received before receiving the PDSCH or PDCCH data when the UE initially accesses the network.
  • the instruction is used to indicate whether the network supports a preset function, where the PDSCH data includes: PDSCH data carrying system parameters of the broadcast of the UE, and the number of PDSCHs carrying the unicast service.

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Abstract

L'invention concerne un procédé, un dispositif et un système d'indication de fonction, ledit procédé consistant à : transmettre une instruction acheminée par un canal ou par un signal à un équipement utilisateur (UE), le canal ou le signal devant être reçu avant que l'équipement utilisateur reçoive des données PDSCH ou PDCCH lors de l'accès initial à un réseau, l'instruction étant utilisée pour indiquer si le réseau prend en charge une fonction prédéfinie, les données PDSCH comprenant : des données PDSCH acheminant un paramètre de système de diffusion de l'UE, et des données PDSCH acheminant une service d'opération de diffusion individuelle. La présente invention résout le problème de consommation de puissance inutile en desservant un UE de communication entre machines (MTC) amélioré, ce qui empêche une consommation de puissance excessive de l'UE MTC.
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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018014297A1 (fr) * 2016-07-21 2018-01-25 富士通株式会社 Dispositif et procédé de transmission d'informations, et système de communication sans fil
CN107645769B (zh) * 2016-07-22 2019-12-13 电信科学技术研究院 一种数据传输方法和装置
US10285107B2 (en) * 2016-09-08 2019-05-07 Apple Inc. Dynamic coverage mode switching and communication bandwidth adjustment
CN107872415B (zh) * 2016-09-23 2022-07-15 中兴通讯股份有限公司 一种数据传输方法及装置
CN109565401B (zh) * 2016-09-30 2022-03-29 摩托罗拉移动有限责任公司 灵活的无线电资源分配
CN108282893B (zh) * 2017-01-06 2022-03-22 展讯通信（上海）有限公司 公共控制消息的传输方法、接收方法、基站及用户设备
CN108462990B (zh) * 2017-02-21 2020-11-13 联芯科技有限公司 网络同步的方法与装置
CN114143885A (zh) * 2017-08-11 2022-03-04 中兴通讯股份有限公司 资源位置的指示、接收方法及装置
WO2020000148A1 (fr) * 2018-06-25 2020-01-02 北京小米移动软件有限公司 Procédé et dispositif d'accès à un système de communication de type machine, et support de stockage
CN111464274B (zh) * 2019-01-18 2021-08-03 华为技术有限公司 一种通信方法及装置
CN109729548B (zh) * 2019-02-22 2021-11-16 重庆邮电大学 一种快速判定小区是否支持eMTC的方法
CN112752280B (zh) * 2019-10-31 2023-01-13 中国移动通信有限公司研究院 Ssb的接收方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103155605A (zh) * 2010-03-23 2013-06-12 交互数字专利控股公司 用于机器类型通信的有效信令
US20140071957A1 (en) * 2012-09-12 2014-03-13 Qualcomm Incorporated Coverage enhancement techniques for machine type communication devices in a wireless network
WO2014055878A1 (fr) * 2012-10-05 2014-04-10 Interdigital Patent Holdings, Inc. Procédé et appareil destinés à améliorer la couverture de dispositifs de communication de type machine (mtc)
CN104105162A (zh) * 2013-04-05 2014-10-15 华为技术有限公司 基站与终端之间传递信息的方法、基站、终端和系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103378936A (zh) * 2012-04-28 2013-10-30 中兴通讯股份有限公司 数据传输方法及装置
CN104348579B (zh) * 2013-08-05 2019-11-19 中兴通讯股份有限公司 下行信道时域位置确定方法和装置
CN104349458B (zh) * 2013-08-08 2019-05-17 中兴通讯股份有限公司 控制信道的传输方法、传输处理方法、通信节点及终端

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103155605A (zh) * 2010-03-23 2013-06-12 交互数字专利控股公司 用于机器类型通信的有效信令
US20140071957A1 (en) * 2012-09-12 2014-03-13 Qualcomm Incorporated Coverage enhancement techniques for machine type communication devices in a wireless network
WO2014055878A1 (fr) * 2012-10-05 2014-04-10 Interdigital Patent Holdings, Inc. Procédé et appareil destinés à améliorer la couverture de dispositifs de communication de type machine (mtc)
CN104105162A (zh) * 2013-04-05 2014-10-15 华为技术有限公司 基站与终端之间传递信息的方法、基站、终端和系统

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