WO2017133702A1 - Procédé et dispositif de transmission d'informations - Google Patents

Procédé et dispositif de transmission d'informations Download PDF

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Publication number
WO2017133702A1
WO2017133702A1 PCT/CN2017/072962 CN2017072962W WO2017133702A1 WO 2017133702 A1 WO2017133702 A1 WO 2017133702A1 CN 2017072962 W CN2017072962 W CN 2017072962W WO 2017133702 A1 WO2017133702 A1 WO 2017133702A1
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WIPO (PCT)
Prior art keywords
narrowband
information
available
anchor carrier
downlink
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PCT/CN2017/072962
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English (en)
Chinese (zh)
Inventor
张雯
戴博
夏树强
方惠英
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201610089499.7A external-priority patent/CN107046721B/zh
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to ES17747022T priority Critical patent/ES2964757T3/es
Priority to EP17747022.6A priority patent/EP3413654B1/fr
Priority to US16/074,065 priority patent/US11375545B2/en
Priority to KR1020187025580A priority patent/KR20180112805A/ko
Priority to JP2018540733A priority patent/JP6979958B2/ja
Publication of WO2017133702A1 publication Critical patent/WO2017133702A1/fr
Priority to US17/826,853 priority patent/US11785647B2/en
Priority to US18/243,028 priority patent/US20240080898A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for transmitting information.
  • Machine Type Communication MTC
  • UE User Equipment
  • M2M Machine to Machine
  • C-IOT Comb-Internet Of Things
  • 3GPP 3rd Generation Partnership Project
  • TR45.820V200 Technical Report TR45.820V200
  • NB-LOT Narrow Bang-Internet Of Things
  • the system bandwidth of the system is 200 kHz, which is the same as the channel bandwidth of the Global System for Mobile Communication (GSM) system. This is because the NB-IOT system reuses the GSM spectrum and reduces the mutual interference between the adjacent and GSM channels.
  • GSM Global System for Mobile Communication
  • the transmission bandwidth is 180 kHz, which is the size of a Physical Resource Block (PRB) in a Long Term Evolution (LTE) system, and can be transmitted on one PRB of the LTE system bandwidth.
  • PRB Physical Resource Block
  • LTE Long Term Evolution
  • NB-IOT has three working scenarios: standalone mode "standalone mode”, guard band mode “guard band mode”, and inband mode "inband mode”.
  • the embodiment of the invention provides a method and a device for transmitting information, so as to at least solve the problem of how the NB-IOT obtains multiple narrowband/carriers in the related art.
  • a method for transmitting information includes:
  • the transmission information or the channel on the narrowband includes at least one of a downlink control channel (Physical Downlink Control Channel, PDCCH for short), a Physical Downlink Shared Channel (PDSCH), and a random access response ( Random Access Response (RAR), paging message, System Information Block (SIB), Master Information Block (MIB), Physical Random Access Channel (Physical Random Access Channel) , referred to as PRACH), physics
  • a downlink control channel Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • RAR Random Access Response
  • paging message paging message
  • SIB System Information Block
  • MIB Master Information Block
  • Physical Random Access Channel Physical Random Access Channel
  • PRACH Physical Random Access Channel
  • the uplink uplink channel Physical Uplink Shared Channel, abbreviated as PUSCH
  • PUSCH Physical Uplink control channel
  • PUCCH Physical Uplink control channel
  • the location of the anchor carrier is further used to indicate at least one of: scheduling information of the SIB, number of bit bits or fields included in the MIB, time domain Frequency hopping granularity, frequency domain hopping interval, frequency hopping pattern, and frequency domain location for transmitting the information or channel.
  • the method further includes: the number of the available narrow bands is one of the following:
  • G is a resource block group corresponding to the system bandwidth ( The number of physical resource blocks PRB included in the Resource Block Group, abbreviated as RBG, and G is a positive integer.
  • the number of available narrowbands is determined based on the system bandwidth.
  • the location of the available narrowband within the transmission bandwidth is one of the following:
  • both ends of the transmission bandwidth, one end of the transmission bandwidth, two sides of the transmission bandwidth center or two sides of the PRB, one side of the transmission bandwidth center 6 or 7 PRBs, and the The PRB or RBG at the center of the transmission bandwidth is one of the following:
  • N PRBs among N RBGs wherein one PRB in each RBG is a narrowband available, and N is an integer.
  • the available narrow band is one of the following:
  • N narrow bands within the transmission bandwidth corresponding to the system bandwidth
  • N narrow bands in one or both guard bands corresponding to the system bandwidth
  • N narrow bands in all or part of the guard bands corresponding to the two adjacent system bandwidths in the frequency domain, wherein N, N1, and N2 are positive integers.
  • the transmitting information or channel on one or more narrowband in the available narrowband includes one of the following:
  • the downlink eNB is configured to transmit a downlink control channel and transmit a PDSCH on a downlink anchor carrier or a downlink narrowband corresponding to the uplink anchor carrier;
  • a narrowband set selecting an uplink narrowband to transmit the PRACH and the PUSCH according to a coverage level, transmitting a downlink control channel and transmitting a PDSCH on a downlink narrowband corresponding to the uplink narrowband or on an anchor carrier, where the narrowband set is Preset, or, is configured by the base station eNB;
  • Selecting a narrowband to transmit the PRACH and the PUSCH in a narrowband set and transmitting a downlink control channel and a PDSCH on a downlink narrowband corresponding to the uplink narrowband or on an anchor carrier, where the narrowband set is preset, or It is configured by the eNB.
  • transmitting the available narrowband of the paging message is one of the following:
  • the downlink narrowband determined in the paging narrowband set is identified according to the user equipment UE, and the paging narrowband set is SIB-configured or preset.
  • the subframe in which the paging message is transmitted is determined by detecting a narrowband type of the paging message.
  • the location of the anchor carrier is notified in the PSS, SSS, PBCH or SIB.
  • the location of the anchor carrier is one of 32 candidate locations on either side of the system bandwidth center.
  • the location of the anchor carrier is indicated by 5 bits.
  • the location information of the anchor carrier, the system bandwidth information, the traditional cell reference signal CRS port information, the same-physical cell identification information, the sweep offset information, and the working mode information are respectively indicated, or the location information of the anchor carrier At least two of the system bandwidth information, the traditional cell reference signal CRS port information, the same-physical cell identification information, the sweep offset information, and the working mode information are jointly coded indications.
  • the joint-coded indication information of the same-physical cell identification information and the working mode information indicates one of the following states:
  • the legacy cell reference signal CRS port information is determined by CRS port information of a narrowband long term evolution NB-IoT system.
  • the traditional cell reference signal CRS port information indicates at least one of the following states:
  • the number of the traditional CRS ports is 4;
  • the number of the conventional CRS ports is the same as the number of CRS ports of the NB-IoT system.
  • the location information, the system bandwidth information, and the working mode information of the anchor carrier are respectively indicated, or any two pieces of information or three pieces of location information, system bandwidth information, and working mode information of the anchor carrier. It is indicated by joint coding.
  • the location information of the anchor carrier, system bandwidth information, legacy Cell Reference Signal (CRS) port information, same-physical cell identifier (same-PCI) information, and sweep offset The (raster offset) information and the working mode information are respectively indicated, or the anchor carrier location information, system bandwidth information, legacy cell reference signal CRS port information, same-physical cell identification information, frequency sweep offset information, and work At least two pieces of information in the mode information are indicated by joint coding.
  • the legacy cell reference signal CRS port information is determined by CRS port information of the narrowband long term evolution NB-IoT system.
  • the information indicated by the joint coding is notified in a PSS, SSS, PBCH or SIB.
  • an apparatus for transmitting information including:
  • a transmission module configured to transmit information or a channel on one or more narrowbands in the available narrowband, wherein the available narrowband includes a downlink available narrowband and/or an uplink available narrowband, and determining the available narrowband information includes at least one of the following :
  • the information or channel transmitted on the narrowband includes at least one of the following: a downlink control channel, a physical downlink shared channel (PDSCH), a random access response (RAR), a paging message, an SIB, an MIB, a physical random access channel (PRACH), and an uplink traffic channel.
  • PDSCH physical downlink shared channel
  • RAR random access response
  • a paging message an SIB, an MIB, a physical random access channel (PRACH), and an uplink traffic channel.
  • PUSCH and physical uplink control channel PUCCH.
  • the location of the anchor carrier is further used to indicate at least one of: scheduling information of the SIB, number of bit bits or fields included in the MIB, time domain Frequency hopping granularity, frequency domain hopping interval, frequency hopping pattern, and frequency domain location for transmitting the information or channel.
  • a computer storage medium is further provided, and the computer storage medium may store an execution instruction for performing the implementation of the method for transmitting information in the foregoing embodiment.
  • information or a channel is transmitted on one or more narrowbands in the available narrowband, wherein
  • the available narrowband includes a downlink available narrowband and/or an uplink available narrowband
  • determining the available narrowband information includes at least one of: system bandwidth, cell identity, location of the anchor carrier, information indicated by the primary synchronization signal PSS, and indication by the secondary synchronization signal SSS
  • the narrowband transmission information or channel includes at least one of the following: a downlink control channel, a physical downlink shared channel PDSCH, a random access response RAR,
  • the paging message, the SIB, the MIB, the physical random access channel PRACH, the uplink traffic channel PUSCH, and the physical uplink control channel PUCCH solve the problem of how the NB-IOT obtains multiple narrowband/carriers, and provides a narrowband that is determined to be available. the way.
  • FIG. 1 is a flow chart of a method for transmitting information according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of an apparatus for transmitting information according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a 20 MHz system bandwidth in accordance with a preferred embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for transmitting information according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • Step S102 determining that the information of the available narrowband includes at least one of the following: system bandwidth, cell identifier, location of the anchor carrier, information indicated by the primary synchronization signal PSS, information indicated by the secondary synchronization signal SSS, information indicated by the primary system information block MIB, and The information indicated by the system information block SIB; wherein the transmission information or channel on the narrowband includes at least one of: a downlink control channel, a physical downlink shared channel (PDSCH), a random access response (RAR), a paging message, an SIB, an MIB, and a physical random connection.
  • Step S104 transmitting information or a channel on one or more narrowbands of the available narrowband, wherein the available narrowband includes a downlink available narrowband and/or an uplink available narrowband.
  • information or a channel is transmitted on one or more narrowbands in the available narrowband, wherein the available narrowband includes a downlink available narrowband and/or an uplink available narrowband, and determining the available narrowband information includes at least one of: system bandwidth The cell identifier, the location of the anchor carrier, the information indicated by the primary synchronization signal PSS, the information indicated by the secondary synchronization signal SSS, the information indicated by the primary system information block MIB and the information indicated by the system information block SIB; wherein the information is transmitted over the narrowband Or the channel includes at least one of the following: a downlink control channel, a physical downlink shared channel PDSCH, a random access response RAR, a paging message, an SIB, an MIB, a physical random access channel PRACH, an uplink traffic channel PUSCH, and physical uplink control.
  • the channel PUCCH solves the problem of how NB-IOT obtains multiple narrowband/carriers, providing a way to determine the available narrowband.
  • the location of the anchor carrier is further used to indicate at least one of: scheduling information of the SIB, number of bit bits or fields included in the MIB, time domain Frequency hopping granularity, frequency domain hopping interval, frequency hopping pattern, and frequency domain location for transmitting the information or channel.
  • the number of available narrow bands is one of the following:
  • G is a resource block group RBG corresponding to the system bandwidth
  • RBG resource block group
  • the number of available narrowbands is determined based on the system bandwidth.
  • the location of the available narrowband within the transmission bandwidth is one of the following:
  • Both ends of the transmission bandwidth, one end of the transmission bandwidth, the sides of the transmission bandwidth center 6 or 7 PRBs, the transmission bandwidth center 6 or 7 PRB sides, the center of the transmission bandwidth and the transmission bandwidth There is a preset frequency domain interval, where N is a positive integer.
  • both ends of the transmission bandwidth, one end of the transmission bandwidth, two sides of the transmission bandwidth center, or two sides of the PRB, and one side of the transmission bandwidth center 6 or 7 PRBs, and the The PRB or RBG at the center of the transmission bandwidth is one of the following:
  • N PRBs among N RBGs wherein one PRB in each RBG is a narrowband available, and N is an integer.
  • the available narrow band is one of the following:
  • N narrow bands within the transmission bandwidth corresponding to the bandwidth of the system
  • N narrow bands in one or both guard bands corresponding to the bandwidth of the system
  • N narrow bands in all or part of the guard bands corresponding to the bandwidth of two adjacent systems in the frequency domain, wherein N, N1, and N2 are positive integers.
  • the information or channel is transmitted on one or more narrowbands in the available narrowband before the random access procedure or before the radio resource control RRC connection is established, or before the narrowband is configured.
  • an uplink narrowband is selected according to the coverage level to transmit the PRACH and the PUSCH, and the downlink control channel is transmitted on the downlink narrowband corresponding to the uplink narrowband or the PDSCH is transmitted on the anchor carrier, and the narrowband set is preset. Or, configured by the base station eNB;
  • the narrowband set is preset, or is configured by the eNB.
  • the available narrowband for transmitting the paging message is one of the following:
  • the downlink narrowband set determined in the paging narrowband set according to the user equipment UE identifier, the paging narrowband set is configured by the SIB or preset.
  • the subframe in which the paging message is transmitted is determined by the narrowband type in which the paging message is detected.
  • the location of the anchor carrier is notified in the PSS, SSS, PBCH or SIB.
  • the raster offset information and the working mode information are respectively indicated, or the anchor carrier location information, system bandwidth information, legacy cell reference signal CRS port information, same-physical cell identification information, and sweep offset
  • At least two of the information and the work mode information are jointly coded indications.
  • the legacy cell reference signal CRS port information is determined by CRS port information of a narrowband long term evolution NB-IoT system.
  • the information indicated by the joint coding is notified in the PSS, SSS, PBCH or SIB.
  • the location of the anchor carrier is one of 32 candidate locations on either side of the system bandwidth center.
  • the location of the anchor carrier is indicated by 5 bits.
  • the location information of the anchor carrier, the system bandwidth information, the traditional cell reference signal CRS port information, the same-physical cell identification information, the sweep offset information, and the working mode information are respectively indicated, or the anchor carrier
  • At least two of the location information, the system bandwidth information, the legacy cell reference signal CRS port information, the same-physical cell identification information, the sweep offset information, and the operational mode information are jointly coded indications.
  • the joint-indication indication information of the same-physical cell identification information and the working mode information indicates one of the following states: Standalone mode; Guard band mode; In band mode, and the physical cell identifier is the same; In band mode, And the physical cell identifier is different.
  • the legacy cell reference signal CRS port information is determined by CRS port information of the narrowband long term evolution NB-IoT system.
  • the traditional cell reference signal CRS port information indicates at least one of the following states: the number of the traditional CRS ports is 4; the number of the traditional CRS ports is the same as the number of CRS ports of the NB-IoT system.
  • a device for transmitting information is provided, which is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 2 is a structural block diagram of an apparatus for transmitting information according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes:
  • the transmitting module 22 is configured to transmit information or a channel on one or more narrowbands in the available narrowband, where the available narrowband includes a downlink available narrowband and/or an uplink available narrowband, and determining the available narrowband information comprises at least one of the following:
  • the information or channel transmitted on the narrowband includes at least one of the following: a downlink control channel, a physical downlink shared channel (PDSCH), a random access response (RAR), a paging message, an SIB, an MIB, a physical random access channel (PRACH), and a downlink traffic channel (PUSCH). And physical uplink control channel PUCCH.
  • the transmission module 22 transmits information or a channel on one or more narrowbands in the available narrowband, wherein the available narrowband includes a downlink available narrowband and/or an uplink available narrowband, and determining the available narrowband information includes at least one of the following : system bandwidth, cell identity, location of the anchor carrier, information indicated by the primary synchronization signal PSS, information indicated by the secondary synchronization signal SSS, information indicated by the primary system information block MIB and information indicated by the system information block SIB; wherein the narrowband is
  • the transmission information or channel includes at least one of: a downlink control channel, a physical downlink shared channel PDSCH, a random access response RAR, a paging message, an SIB, an MIB, a physical random access channel PRACH, a downlink traffic channel PUSCH, and a physical uplink.
  • the channel control channel PUCCH solves the problem of how the NB-IOT obtains multiple narrowband/carriers, and provides a way to determine the available narrowband.
  • the location of the anchor carrier is further used to indicate at least one of: scheduling information of the SIB, number of bit bits or fields included in the MIB, time domain Frequency hopping granularity, frequency domain hopping interval, frequency hopping pattern, and frequency domain location for transmitting the information or channel.
  • the number of available narrowbands is determined based on the system bandwidth.
  • the location of the available narrowband within the transmission bandwidth is one of the following:
  • both ends of the transmission bandwidth, one end of the transmission bandwidth, two sides of the transmission bandwidth center, or two sides of the PRB, and one side of the transmission bandwidth center 6 or 7 PRBs, and the The PRB or RBG at the center of the transmission bandwidth is one of the following:
  • N PRBs among N RBGs wherein one PRB in each RBG is a narrowband available, and N is an integer.
  • the available narrow band is one of the following:
  • N narrow bands within the transmission bandwidth corresponding to the bandwidth of the system
  • N narrow bands in one or both guard bands corresponding to the bandwidth of the system
  • N narrow bands in all or part of the guard bands corresponding to the bandwidth of two adjacent systems in the frequency domain, wherein N, N1, and N2 are positive integers.
  • the information or channel is transmitted on one or more narrowbands in the available narrowband before the random access procedure or before the radio resource control RRC connection is established, or before the narrowband is configured.
  • an uplink narrowband is selected according to the coverage level to transmit the PRACH and the PUSCH, and the downlink control channel is transmitted on the downlink narrowband corresponding to the uplink narrowband or the PDSCH is transmitted on the anchor carrier, and the narrowband set is preset. Or, configured by the base station eNB;
  • the narrowband set is preset, or is configured by the eNB.
  • the available narrowband for transmitting the paging message is one of the following:
  • the paging narrowband set Determining a downlink narrowband determined in the paging narrowband set according to the user equipment UE, the paging narrowband set being configured by the SIB Or it is preset.
  • the subframe in which the paging message is transmitted is determined by the narrowband type in which the paging message is detected.
  • the location of the anchor carrier is notified in the PSS, SSS, PBCH or SIB.
  • the location information, the system bandwidth information, and the working mode information of the anchor carrier are respectively indicated, or any two pieces of location information, system bandwidth information, and working mode information of the anchor carrier or The three pieces of information are indicated by joint coding.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are respectively located. Different processors.
  • the preferred embodiment of the present invention is illustrated by taking the NB-IoT system as an example, and the method in the preferred embodiment of the present invention is not limited to application to the NB-IoT system.
  • a PRB or a narrowband that transmits NB-PSS/SSS is referred to as an anchor carrier (an anchor carrier).
  • anchor carrier an anchor carrier
  • "NB-" indicates the information/channel for the NB-IoT system.
  • the eNB notifies the UE of the PRB information of the anchor carrier and the system bandwidth.
  • each PRB can be used as an anchor carrier, or only part of the PRB can be used as an anchor carrier.
  • a PRB with a center frequency and an integer multiple of 100 kHz with a frequency offset of not more than 7.5 kHz can be used as an anchor carrier at 5 MHz.
  • the PRB index that can be used as the anchor carrier includes PRBs #2, 7, 17, and 22.
  • the PRB information of the anchor carrier can be indicated by 2 bits.
  • the eNB may notify the UE of the PRB information of the anchor carrier and the system bandwidth in the NB-PBCH or NB-SIB or NB-PSS or NB-SSS.
  • the system bandwidth and the PRB information may be respectively indicated, for example, three types of system bandwidths are indicated by 3 bits, and PRB information is indicated by 2 bits.
  • the system bandwidth and the PRB information may also be combined with the coding indication. For example, there are five types of system bandwidths, and each system bandwidth has eight PRB positions, and then there are 40 states, and a total of 6 bits are required.
  • the available PRB indexes under each system bandwidth are as shown in Table 1, which is an available PRB index under various system bandwidths.
  • the PRB index in Table 1 corresponds to 32 locations on both sides of the DC, so 5 bits are required to indicate.
  • the system bandwidth, the PRB information, and the working mode may be indicated separately or jointly.
  • in-band mode for example, a total of 49 states, a total of 6bit indication is required.
  • the 2 bit information is used to indicate the working mode and resource mapping information of the UE, for example, “00” indicates the guard band mode. “01” indicates standalone mode, “10” indicates in band mode, and resource mapping is performed according to the number of CRS ports being 2, “11” indicating in band mode, and resource mapping according to the number of CRS ports being 4.
  • the system bandwidth in the LTE system refers to the total bandwidth including the transmission bandwidth and the guard bands on both sides.
  • the LTE system has the following system bandwidths: 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHz, and 20 MHz, each The system bandwidth corresponds to one transmission bandwidth, and the transmission bandwidth refers to the bandwidth that can be used for transmission in the system bandwidth.
  • the transmission bandwidth is 6 PRBs, 15 PRBs, 25 PRBs, 50 PRBs, 75 PRBs, 100 PRBs.
  • the part of both sides of the transmission bandwidth within the system bandwidth is the guard band.
  • 3 is a schematic diagram of a 20 MHz system bandwidth in accordance with a preferred embodiment of the present invention, as shown in FIG.
  • a method of determining a narrow band is given.
  • the UE determines the location of the available narrowband based on the system bandwidth.
  • the narrowband available here includes a downlink available narrowband and/or an upstream available narrowband. That is to say, the system bandwidth uniquely determines the location of the available narrowband, and after the UE obtains the system bandwidth, the location of the available narrowband can be determined. For example, the UE can obtain the downlink available narrowband according to the system bandwidth, and the uplink available narrowband is notified in the SIB; or, the UE can simultaneously obtain the downlink available narrowband and the uplink available narrowband according to the system bandwidth.
  • the other channels in the NB-IoT are transmitted in the available narrowband, such as the downlink NB-SIB, NB-PDCCH, NB-PDSCH, NB-paging, NB-RAR, etc., or the uplink NB-PRACH, NB-PUSCH, NB- PUCCH and so on.
  • the number of upstream available narrowband and downlink available narrowbands may be the same or different, and the locations within the system bandwidth may be the same or different.
  • the uplink available narrowband and the downlink available narrowband may be paired according to a preset manner, for example, the uplink available is narrow with 8, and the number is 0 to 7 in order from low to high, and the downlink is narrow and 8 is available. According to the frequency from low to high, the numbers are 0 to 7.
  • the uplink and downlink narrowbands of the same index are paired, and the pair is configured to the UE. If the UE sends uplink data on an uplink available narrowband, the narrowband is available in the uplink. The downlink data is received on the corresponding downlink available narrowband.
  • the uplink available narrowband and the downlink available narrowband may also be arbitrarily configured.
  • the eNB may separately configure an uplink available narrowband and a downlink available narrowband for the UE.
  • the above two modes may be mixed.
  • some are preset pairing, and some parts may be arbitrarily configured.
  • the eNB configures a proprietary narrowband for the UE, all narrowbands can be arbitrarily configured.
  • the indication may be based on the available narrowband to save signaling overhead. For example, if there are a total of 16 available narrowbands, the numbers are 0 to 15 in order from the lowest to the highest, and are indicated by 4 bits.
  • resource allocation can also be based on available narrowbands, such as a total of 16 available narrowbands, with 4 bits indicating the narrowband of transmission.
  • the example can be used for upstream available narrowband/downlink available narrowband.
  • the narrowband is available for all PRBs within the transmission bandwidth.
  • the available narrowband can be located at both ends of the transmission bandwidth.
  • the transmission bandwidth of 20 MHz includes 100 PRBs, and there are 16 available narrowbands, that is, 16 PRBs with symmetric transmission ends, that is, the PRB indexes are 0-7, 92-99, respectively.
  • the transmission bandwidth of 10 MHz includes 50 PRBs, and there are 8 available narrowbands, that is, 8 PRBs whose transmission bandwidth is symmetric at both ends, that is, the PRB indexes are 0 to 3, 45 to 49, respectively.
  • the narrowband and RBG can be aligned, and the available narrowband can be several RBGs at both ends.
  • One way is to remove the last RBG with a smaller number of PRBs, and the available narrowband belongs to the remaining RBG, for example, for a 5 MHz system.
  • Bandwidth including 25 PRBs, 13 RBGs, each of the first 12 RBGs (indexes 0 to 11) contains 2 PRBs, the last RBG contains 1 PRB, and the last RBG is not used. Narrowband is available. Then, 4 RBGs are used as available narrowbands. There are 8 available narrowbands, which are RBG#0, 1 and 10, 11. The last RBG with less than 2 PRBs is not available as a narrowband, so that narrowband and The RBG is aligned to facilitate the resource allocation of the legacy UE. Alternatively, the last RBG with a smaller number of PRBs may not be removed, and 4 RBGs are used as available narrowbands, and a total of 7 available narrowbands are RBG#0, 1, and 11, 12.
  • determining an available narrowband offset according to a system bandwidth where the offset is an offset of an available narrowband relative to a transmission bandwidth edge, such as a 20 MHz transmission bandwidth, including 100 PRBs, a total of 16 available narrowbands, and an offset of At 0, the PRB indexes corresponding to the narrowband can be 0 to 7, 92 to 99, respectively.
  • the offset is 1, the narrow band is 8 to 15, 84 to 91.
  • the available narrowband may be a PRB or RBG with a preset interval, such as a transmission bandwidth of 20 MHz, including 100 PRBs, and a total of 8 available narrowbands, that is, 8 PRBs with symmetric intervals of 2 at both ends of the transmission bandwidth. That is, the PRB indexes are 0, 2, 4, 6, 92, 94, 96, 98, respectively, or 0, 2, 4, 6, 93, 95, 97, 99.
  • the available narrowband may be N consecutive PRBs or fixed-interval PRBs at both ends of the transmission bandwidth, or N consecutive RBGs or fixed-interval RBGs, or N PRBs of N RBGs.
  • one PRB in each RBG is a narrowband available
  • the PRB position in the RBG may be determined according to the cell identifier, for example, if The narrowband available is the first PRB in the RBG, if The narrowband available is the second PRB in the RBG, and so on. among them Is the cell identifier, and G is the number of PRBs included in the RBG corresponding to the system bandwidth.
  • the available narrowband may be located at one end of the transmission bandwidth, and may be N consecutive PRBs or fixed-interval PRBs, or N consecutive RBGs or fixed-interval RBGs, or N PRBs among N RBGs, where There is one PRB in each RBG that is available in narrowband.
  • the transmission bandwidth of 20 MHz includes 100 PRBs, and a total of 16 available narrowbands, and the corresponding PRB index is 0-15.
  • the available narrowband may be a PRB or RBG with a preset interval, such as a transmission bandwidth of 20 MHz, including 100 PRBs, and a total of 8 available narrowbands, that is, 8 PRBs with symmetric intervals of 2 at both ends of the transmission bandwidth. That is, the PRB indexes are 0, 2, 4, 6, 8, 10, 12, and 14, respectively.
  • the available narrowband may be N of the N RBGs at one end of the transmission bandwidth, where one PRB of each RBG is a narrowband available.
  • the available narrowband may be located at the center of the transmission bandwidth 6 or 7 PRBs, and may be N consecutive PRBs or fixed-interval PRBs, or N consecutive RBGs or fixed-interval RBGs, or N RBGs. N PRBs in which one PRB in each RBG is a narrowband available.
  • the last RBG containing a smaller number of PRBs may or may not be available as a narrowband, similar to the above. For even bandwidth, it is located on both sides of 6 PRBs in the center of the transmission bandwidth; for odd bandwidths, it is located on both sides of 7 PRBs in the center of the transmission bandwidth.
  • the system bandwidth of 20 MHz includes 100 PRBs, and there are 16 available narrowbands, and the corresponding PRB indexes are 39 to 46 and 53 to 60.
  • the system bandwidth of 5 MHz includes 25 PRBs, and there are 4 available narrow bands, and the corresponding PRB indexes are 7, 8, 16, and 17.
  • the available narrowband may be a PRB or RBG with a preset interval.
  • the available narrowband may be N PRBs of N RBGs on both sides of the transmission bandwidth center 6 or 7 PRBs, where one PRB in each RBG is a available narrowband.
  • the narrowband can be located on the side of the transmission bandwidth center 6 or 7 PRBs, and can be N consecutive PRBs or fixed-interval PRBs, or N consecutive RBGs or fixed-interval RBGs, or N RBGs. N PRBs, wherein one PRB in each RBG is a narrow band available.
  • the last RBG containing a smaller number of PRBs may or may not be available as a narrowband, similar to the above. For even bandwidth, it is located on both sides of 6 PRBs in the center of the transmission bandwidth; for odd bandwidths, it is located on both sides of 7 PRBs in the center of the transmission bandwidth.
  • the system bandwidth of 20 MHz includes 100 PRBs, and there are 16 available narrowbands, and the corresponding PRB index is 31-46.
  • Another example is 5MHz system bandwidth, including 25 PRBs, a total of 4 available narrowbands, corresponding PRB cable Quoted as 5, 6, 7, and 8.
  • the available narrowband may be a PRB or RBG with a preset interval.
  • the available narrowband may be N PRBs of N RBGs of one side of the transmission bandwidth center 6 or 7 PRBs, wherein one PRB of each RBG is a narrowband available.
  • the available narrowband is located at the center of the transmission bandwidth, and may be N consecutive PRBs or fixed-interval PRBs, or N consecutive RBGs or fixed-interval RBGs, or N PRBs among N RBGs, where each One of the RBGs has a PRB that is available in a narrow band.
  • the available narrowband may be a PRB or RBG with a preset interval.
  • the available narrowband may be N PRBs of N RBGs in a transmission bandwidth center, where one PRB in each RBG is a available narrowband.
  • the narrowband can be a PRB with a preset interval, for example, starting from PRB#0, one of every 4 PRBs is a narrowband available.
  • the location in the 4 PRBs can be determined by the cell identity.
  • the available narrowband can be obtained according to all PRBs in the transmission bandwidth, and the narrowband overlapping with the center 6 or 7 PRBs is unavailable, or can be obtained according to the remaining PRBs of the transmission bandwidth except for the center 6 or 7 PRBs.
  • Narrowband such as 20MHz system bandwidth, removes 6 for 100 PRBs, and the remaining 94. Among the remaining 94, from PRB#0, one out of every 4 PRBs is available narrowband.
  • the system bandwidth of 20 MHz includes 100 PRBs, and there are 16 available narrowbands, and the corresponding PRB index is 42-57.
  • Each system bandwidth corresponds to a number of available narrowbands, such as 12 consecutive subcarriers with all/part of the center frequency on the guard band on either side or one side of the transmission bandwidth and an integer multiple of 100 kHz with a frequency offset of not more than 7.5 kHz.
  • the location may be several narrowbands near the edge frequency of the transmission bandwidth, or several narrowbands near the edge of the system bandwidth, or may be several narrowbands between the edge frequency of the transmission bandwidth and the edge of the system bandwidth;
  • each 12 subcarriers form a narrow band, and the narrow band is all/partial narrowband.
  • the location may be a number of narrowbands near the edge frequency of the transmission bandwidth, or a number of narrowbands near the edge of the system bandwidth, or may be a number of narrowbands between the edge frequency of the transmission bandwidth and the edge of the system bandwidth.
  • each 12 subcarriers form a narrow band, and the narrow band can be used for all/partial narrow bands.
  • the location may be a number of narrowbands near the edge frequency of the transmission bandwidth, or a number of narrowbands near the edge of the system bandwidth, or may be a number of narrowbands between the edge frequency of the transmission bandwidth and the edge of the system bandwidth.
  • a narrow interval with a preset can be used.
  • the available narrowband may also be a narrowband within the guard band on two adjacent frequencies, such as two adjacent The 20MHz system bandwidth is protected by a narrow band within the band.
  • part of the available narrowband is within the transmission bandwidth, and the remaining part is within the protection band
  • Each system bandwidth corresponds to a PRB within several transmission bandwidths and a narrow band over several guard bands.
  • the location is similar to the above. For example, several PRBs on the edge of the transmission bandwidth and several narrow bands on the guard band.
  • the number of available narrowbands of the uplink/downlink is a multiple of 2, such as 2, 6, 8, 10, ...; or a power of 2, such as 2, 4, 8, 16, .
  • a narrow band number available facilitates resource indication or symmetric frequency hopping.
  • the number of available narrowbands of the row/downlink may be a multiple of 2 or 3 or 4, and 2, 3, and 4 are the number of PRBs included in the RBG in the existing LTE system, and the integer RBGs are used as the available narrowband to facilitate the legacy UE.
  • the number of available narrowbands in the uplink/downlink is a multiple of the RBG size in the transmission bandwidth. For example, if the system bandwidth is 10 MHz and the RBG size is 3, then the number of available narrowbands is a multiple of 3, such as 3, 6, and 9. Wait.
  • the number of available narrowbands of the uplink/downlink belongs to the set ⁇ 2, 4, 8, 12, 16 ⁇ , such that the set is in Enhanced Machine Type Communications (eMTC).
  • the narrow band number in the transmission bandwidth, NB-IoT multi-narrowband operation can reuse eMTC technology.
  • the number of the narrowbands is determined according to a system bandwidth, for example, the system bandwidths of 3 MHz, 5 MHz, 10 MHz, 15 MHz, and 20 MHz correspond to narrowband numbers of 2, 4, 8, 12, and 16, respectively. Alternatively, they may be multiples of 2, 4, 8, 12, and 16, respectively.
  • the UE may obtain a narrowband available according to the system bandwidth and the cell identity.
  • the system bandwidth determines the number of available narrowbands
  • the cell identity determines the location of the available narrowband.
  • the system bandwidth is 5MHz and below. The number is 4, and the number is 8.
  • the cell identifier is an odd number, at the lowest frequency end, when the cell identifier is even, the frequency is the highest.
  • the actual application is not limited to the above examples.
  • the UE may obtain an available narrowband according to the cell identity. Similar to the above.
  • a preferred embodiment of the present invention provides a method of transmitting information.
  • the anchor carrier In a system bandwidth, the anchor carrier has several candidate locations, such as in band mode. For a system bandwidth of 5 MHz, the candidate locations are PRB #1, 7, 17, 22.
  • the 2 bit information can be carried through the location of the anchor carrier. For guard band or in band and guard band hybrid mode, it can also be indicated similarly by using candidate positions.
  • the information includes at least one of the following:
  • the number and/or position of the available narrowbands correspond to the positions of the four available narrowbands.
  • the position of the narrowband can be seen as a preferred embodiment of the present invention.
  • NB-SIB scheduling information where the NB-SIB may be NB-SIB1, or may be other SIB messages.
  • the method includes at least one of the following: a TBS of the NB-SIB, a frequency domain location of the NB-SIB, a frequency hopping parameter of the NB-SIB, a time domain location of the NB-SIB, and a transmission period of the NB-SIB.
  • the hopping parameter of the NB-SIB includes at least one of the following: a hopping narrowband position, a time domain hopping granularity (such as a frequency hopping every 10 ms), and a frequency domain hopping interval (such as a hopping offset of one PRB). Wait.
  • the NB-SIB has two types of TBSs, which are indicated by the location of the anchor carrier.
  • the location of the NB-SIB narrowband is indicated by the location of the anchor carrier.
  • the transmission subframe of the NB-SIB is indicated by the location of the anchor carrier, such as sending The subframe may be subframe #5 or 9.
  • the transmission period of the NB-SIB is indicated by the location of the anchor carrier, for example, the transmission period may be 20 ms or 40 ms.
  • the anchor carrier corresponds to 4 fields in narrowband #1; the anchor carrier corresponds to 8 fields in narrowband #2.
  • Time domain hopping granularity can be used for all / part of the channel, for example, there are 4 kinds of granularity, which are 10ms, 20ms, 40ms and 80ms respectively.
  • the frequency domain hopping interval can be used for all/partial channels. For example, there are 4 types of intervals, which are offset by 1 PRB, offset by 2 PRBs, offset by 3 PRBs, and offset by 4 PRBs.
  • the frequency hopping pattern is, for example, a frequency hopping of a fixed frequency domain interval, or a symmetric frequency hopping similar to a physical uplink control channel (PUCCH) in the prior art. Available for all/partial channels;
  • PUCCH physical uplink control channel
  • a preferred embodiment of the present invention provides a method of notifying the available narrowband.
  • the number and/or location of available narrowbands is signaled in NB-PSS/NB-SSS/NB-MIB/NB-SIB.
  • the number of available narrowbands is fixed or determined according to the system bandwidth, and the available narrowband locations can be notified in the NB-PSS/NB-SSS/NB-MIB/NB-SIB, and the available narrowband locations are similar to those in the first embodiment.
  • the available narrowband locations are similar to those in the first embodiment.
  • the in band scene it is the two sides or one side of the system bandwidth, or the system bandwidth center 6 or 7 PRB adjacent sides or one side. It is similar for other scenarios.
  • the location may be fixed.
  • the narrowband is available for several narrowbands near the edge frequency of the transmission bandwidth, and the number of available narrowbands is notified in the NB-PSS/NB-SSS/NB-MIB/NB-SIB.
  • a narrowband is used as a PRB on both sides of the transmission bandwidth, and 2bits in the MIB/SIB indicate that the number of available narrowbands is one of 2, 4, 8, and 16. It can also be indicated by the number of RBGs, for example, by using 2 bits to indicate that the RBG corresponding to the available narrowband is one of 2, 4, 8, and 16.
  • the number and location of the available narrowbands are all notified. For example, there are 2 types of positions and 4 types, and 3 bits are required to indicate.
  • the NB-PSS/NB-SSS/NB-MIB/NB-SIB directly informs the PRB/narrowband index.
  • guard band mode or in band and guard band blend modes define some narrow bands in the standard and number them.
  • the RBG bitmap can be used to indicate, for example, for the in band mode, for a 20 MHz system, It takes 25 bits to indicate.
  • resource allocation indication manner such as resource allocation type 0 or 1 or 2.
  • the location of the narrowband may be indicated in the NB-PSS/NB-SSS/NB-MIB/NB-SIB, such as indicating the offset of the narrowband from the anchor carrier, such as offsetting a narrow band or two narrow bands. Or, only the number of available narrowbands is indicated, the location is preset, such as several narrowbands starting from the anchor carrier to both sides. Or, the narrowband is indexed in a preset manner, and the narrowband index is indicated in the NB-PSS/NB-SSS/NB-MIB/NB-SIB, for example, the narrowband index adjacent to the lowest frequency of the anchor carrier is 0.
  • the narrowband index adjacent to the highest frequency of the anchor carrier is 1, the narrowband index adjacent to the lowest frequency of the narrowband #0 is 2, and the narrowband index adjacent to the highest frequency of the narrowband #1 is 3, .
  • Preferred Embodiment 4 of the present invention provides a method of using or using a narrow band.
  • the available narrowband information may be obtained by at least one of system bandwidth, cell identity, location of the anchor carrier, and information contained in the NB-PSS/NB-SSS/NB-MIB/NB-SIB, such as One obtains partial information of the available narrowband, and the other uses the information of the remaining portion of the available narrowband.
  • the location of the anchor carrier and the system bandwidth jointly correspond to the reference position of the available narrowband, for example, one end of the transmission bandwidth
  • the cell identifier has a preset offset to the reference position, such as offsetting a PRB, and obtaining an available narrowband after the offset. position.
  • NB-PSS/NB-SSS/NB-MIB/NB-SIB indicates the number of available narrowbands, for example, 4.
  • This embodiment provides a method of transmitting information/channel.
  • the uplink has an anchor carrier for the UE to send the PRACH, and the anchor carrier is determined according to a preset manner, for example, the uplink anchor carrier and the downlink anchor carrier have the same PRB index, or the anchor carrier is configured by the eNB. .
  • the actual application is not limited to the illustrated example.
  • the UE always works on the anchor carrier in the initial access procedure or before the RRC connection is established or before the eNB configures the narrowband for the UE, and sends the PRACH/message 3 on the uplink anchor carrier, and receives the RAR/message 4 on the downlink anchor carrier.
  • the RAR/message 4 may be received on the downlink narrowband corresponding to the PRACH narrowband, where the downlink narrowband is preset or configured by the eNB.
  • the UE detects the control channel on the configured downlink narrowband, and the PDSCH transmits on the downlink narrowband.
  • the PUSCH is transmitted on the upstream narrowband.
  • the resource allocation of the PDSCH/PUSCH is an allocation within a narrow band.
  • Manner 2 There are multiple narrowbands or PRBs for transmitting PRACH on the uplink.
  • the plurality of narrowbands may be preset or configured by an eNB, such as in an SIB.
  • the UE selects a narrowband to transmit the PRACH.
  • the plurality of narrowbands for transmitting PRACH respectively correspond to different coverage levels, for example, a total of three narrowbands, corresponding to three coverage levels, or five narrowbands, wherein two coverage levels respectively correspond to two narrowbands , the remaining coverage level corresponds to the remaining Narrow band.
  • the narrowband of the PUSCH transmitted by the UE is the same as the narrowband of the transmitted PRACH before the UE establishes a narrowband in the initial access procedure or before the RRC connection is established or before the eNB configures the UE.
  • the narrowband that the UE receives the RAR/message 4 may be an anchor carrier, or each narrowband that transmits the PRACH corresponds to one downlink narrowband, and the UE sends the PRACH/message 3 on a narrowband, and then receives the RAR/message on the corresponding downlink narrowband. four.
  • the downlink narrowband may be configured by the eNB, for example, configured in the SIB, for example, a narrowband that transmits the PRACH and a downlink narrowband that corresponds to the narrowband of the transmitted PRACH are respectively configured in the SIB.
  • the UE detects the control channel on the configured downlink narrowband, and the PDSCH transmits on the downlink narrowband.
  • the PUSCH is transmitted on the upstream narrowband.
  • the resource allocation of the PDSCH/PUSCH is an allocation within a narrow band.
  • Mode 3 The information/channel is frequency hopped over multiple narrowbands.
  • Multiple uplink and downlink narrowbands may be configured in the SIB1 for the frequency-hopping transmission of the information/channel, for example, the PRB index corresponding to the uplink and downlink narrowband is configured, and then the frequency-hopping transmission is performed according to a preset pattern.
  • a frequency hopping offset value may be configured, and the information/channel is frequency hopped and transmitted according to the frequency hopping offset value.
  • Manner 1 The paging message is detected on the downlink anchor carrier.
  • Manner 2 The paging message is detected on the downlink narrowband corresponding to the PRACH narrowband of the maximum coverage level.
  • Manner 3 The UE selects a narrowband detection paging message in the paging narrowband set according to the UE identifier. For example, suppose there are three paging narrowbands with indices of 0, 1, and 2, and the narrowband index of the UE detecting the paging message is among them For the cell identifier, "mod" is the modulo operation.
  • the paging narrowband set may be configured, such as configured in an SIB, or the paging narrowband set may be preset according to system bandwidth.
  • the UE when the UE detects the paging message, the UE detects the downlink control channel on the narrowband of detecting the paging message before the UE receives the uplink and downlink narrowband configured by the eNB. Alternatively, the UE detects the downlink control channel on the downlink narrowband configured by the UE in the last connection state.
  • the eNB sends indication signaling to the UE, indicating whether the narrowband of the paging message detected by the UE is an anchor carrier or other narrowband.
  • the subframe in which the UE detects the paging message is determined by a narrow band detecting the paging message.
  • the NB-PSS/NB-SSS/NB-PBCH/NB-SIB is sent on the anchor carrier, if the paging occasions calculated by the UE and the UE according to the prior art overlap, the overlapping subframes are The UE does not detect the paging message. If there are no public messages on other narrowbands, the UE detects the paging message on the paging occasion calculated according to the prior art.
  • the paging occasion will be preset. The way is delayed, such as postponing to the next subframe, or a subframe of the next radio frame.
  • PF Paging Frame
  • PO Paging Occasion
  • -nB 4T, 2T, T, T/2, T/4, T/8, T/16, T/32;
  • IMSI International Mobile Subscriber Identity, an international mobile subscriber identity.
  • the parameters in the above calculation formula may be different, for example, the anchor carrier T has a larger value than the other carriers, or the nB value may be different.
  • the anchor carrier may be different from the corresponding paging occasion on other carriers.
  • a part of the subframes other than the subframe in which the PSS/SSS/PBCH/SIB is transmitted is used as the paging subframe, and on the other carriers, the subframes #0, 4, 5, and 9 are used.
  • Some of the subframes are used as paging subframes.
  • the subframe for transmitting the SIB is a subframe used for transmitting the SIB in the system, or is a preset transmission subframe, for example, one SIB subframe for every 10 subframes, and the actual system may be every 20 subframes.
  • Each subframe has one SIB subframe, but when calculating the paging occasion, it is considered that there is one SIB subframe every 10 subframes.
  • a method of transmitting information is given in this embodiment.
  • the anchor carrier may be within the transmission bandwidth, and other narrowbands may be in the transmission band, or within the guard band, or partially within the transmission bandwidth, and partially outside the transmission bandwidth.
  • the anchor carrier may be within the guard band, and the other narrowband may be in the transmission band, or within the guard band, or partially within the transmission bandwidth, and partially outside the transmission bandwidth.
  • anchor carriers There may be one or more anchor carriers.
  • Each coverage level of each channel corresponds to a narrow band. It can be configured by the eNB or it can be preset.
  • one anchor carrier may correspond to several available narrowbands, and the available narrowbands corresponding to different anchor carriers may be the same, or partially the same or completely different.
  • the eNB informs in the MIB or SIB which narrowbands are anchor carriers and which narrowbands are available narrowband.
  • This embodiment provides an example of joint coding of system bandwidth, anchor carrier position, working mode, and raster offset.
  • the location of the anchor carrier includes the anchor carrier position of the in-band mode and the guard band mode, and for the in-band mode, the anchor carrier
  • the position of the wave refers to the PRB within the system bandwidth.
  • the position of the anchor carrier is some narrow band on the guard band.
  • the working mode may be a mode corresponding to the anchor carrier.
  • the anchor carrier in the inband mode, is on a PRB in the transmission bandwidth of the system bandwidth, and in the guard band mode, the anchor carrier is on the protection band of the system bandwidth.
  • the anchor carrier In standalone mode, the anchor carrier is in the frequency band of the non-LTE system.
  • the modes corresponding to the other carriers and the anchor carriers are different.
  • ⁇ in the value corresponding to "carrier center frequency” of Table 3 is used for all frequencies in the grid. There are a total of 40 candidate locations.
  • the value corresponding to the “carrier center frequency” is the frequency offset between the center frequency of the anchor carrier of the NB-IoT system and the DC of the system bandwidth, and the unit is kHz.
  • the "frequency offset” in Table 3 refers to the frequency offset from the nearest integer multiple of 100 kHz. For example, for a system bandwidth of 5 MHz, the center frequency is +2392.5, then it is necessary to increase +7.5 kHz to reach +2400 kHz.
  • the partial carriers indicated in Table 3 are overlapping. There are at most 22 candidate positions that do not overlap, and an example of a non-overlapping candidate position is given in Table 4.
  • the joint coding table of the system bandwidth, the anchor carrier position (the anchor carrier position including the in-band mode and the guard band mode) and the operation mode is shown in Table 5, for example.
  • the guard band mode has 16 candidate positions. In practical applications, it is not limited to Table 5. The number and location of candidate locations given in . For the guard band mode, you can select some locations in the collections listed in Table 3.
  • the position of the specific center frequency may not be indicated, and only the frequency offset is indicated, as shown in Table 6 below. Use 6bit instructions.
  • the Same-PCI (physical cell identity) indication is indicated by 1 bit, and the Same-PCI indication refers to whether the PCI of the NB-IoT in the in band or the guard band is the same as the PCI of the system bandwidth.
  • This embodiment gives an example of the system bandwidth, the anchor carrier position (including the anchor carrier position of the in-band mode or the guard band mode), and the frequency offset joint indication, as shown in Table 7.
  • the location corresponding to the Guard band mode may be a specific location in Table 5, or may be a frequency offset value in Table 6. In the latter case, the vacant state may indicate other information.
  • the working mode can indicate standalone or non-standalone with 1bit, and the same-PCI information indicates the same PCI or different PCI with 1bit, wherein the same-PCI information indication can be pointer to in-band mode, or it can be for in-band mode and guard band. Mode. Or both can also be combined with coding instructions, as shown in Table 8:
  • the remaining state can be used to indicate some parameters under standalone.
  • This embodiment gives an example of a joint indication.
  • the joint indicates the working mode and the same-PCI information in the in band. As shown in Table 9.
  • Use 6bit joint to indicate system bandwidth, anchor carrier position, frequency offset, and same-PCI information in guard band mode as shown in Table 10.
  • the meaning of the 6-bit information is parsed according to the working mode indication in Table 9, that is, the PRB index in the inband mode, or the position and the same-sail information in the guard band mode.
  • the in band mode When in the in band mode, it is parsed according to the second column in Table 10.
  • the guard band mode it is parsed according to the third column in Table 10.
  • the working mode independent indication or the same-same-PCI joint indication, the working mode and the same-PCI information joint indication example assume that only the inband mode has the same-PCI information, as shown in Table 11.
  • the meaning of the 6-bit information is parsed according to the working mode indication in Table 12, that is, the PRB index in the inband mode or the position information in the guard band mode. As shown in Table 13. When in the in band mode, it is parsed according to the second column in Table 13. When it is in the guard band mode, it is parsed according to the third column in Table 13.
  • Preferred Embodiment 11 Using a 1-bit legacy CRS port, which is equal to 4 ports or less than 4 ports. When it is less than 4 ports, the legacy CRS port is the same as the NB-CRS port, where NB-CRS is the CRS of the NB-IoT system. An example is shown in Table 14.
  • Legacy CRS ports, working mode, and same-PCI information can be jointly encoded by any two or three. Examples are shown in Table 15 or Table 16.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the available narrowband information includes at least one of the following: system bandwidth, cell identity, anchor carrier location, and primary Information indicated by the synchronization signal PSS, information indicated by the secondary synchronization signal SSS, information indicated by the primary system information block MIB and information indicated by the system information block SIB; wherein the transmission information or channel on the narrowband includes at least one of: a downlink control channel Physical downlink shared channel PDSCH, random access response RAR, paging message, SIB, MIB, physical random access channel PRACH, uplink traffic channel PUSCH, and physical uplink control channel PUCCH;
  • the available narrowband comprises a downlink available narrowband and/or an upstream available narrowband.
  • the storage medium is further arranged to store program code for performing the method steps of the above-described embodiments:
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor performs the method steps of the foregoing embodiments according to the stored program code in the storage medium.
  • 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 foregoing technical solution provided by the embodiment of the present invention may be applied to transmitting information or a channel on one or more narrowbands in an available narrowband, where the available narrowband includes a downlink available narrowband and/or an uplink available narrowband.
  • Determining the information of the available narrowband includes at least one of: system bandwidth, cell identity, location of the anchor carrier, information indicated by the primary synchronization signal PSS, information indicated by the secondary synchronization signal SSS, information indicated by the primary system information block MIB, and system information Information indicated by the block SIB; wherein the information or channel transmitted on the narrowband includes at least one of: a downlink control channel, a physical downlink shared channel (PDSCH), a random access response (RAR), a paging message, an SIB, an MIB, and a physical random access channel.
  • the PRACH, the uplink traffic channel PUSCH, and the physical uplink control channel PUCCH solve the problem of how the NB-IOT obtains multiple narrowband/carriers, providing a way

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Abstract

La présente invention concerne un procédé et un dispositif de transmission d'informations. Le procédé consiste à : transmettre des informations ou un canal sur une ou plusieurs bandes étroites de bandes étroites disponibles, les bandes étroites disponibles comprennent des bandes étroites disponibles descendantes et/ou des bandes étroites disponibles montantes ; et déterminer que des informations concernant les bandes étroites disponibles comprennent au moins l'un des éléments suivants : une bande passante de système, un identifiant de cellule, la position d'une porteuse d'ancrage, des informations indiquées par un PSS, des informations indiquées par un SSS, des informations indiquées par un MIB et des informations indiquées par un SIB, les informations ou le canal transmis sur les bandes étroites comprenant au moins l'un des éléments suivants : un canal de commande de liaison descendante, un PDSCH, une RAR, un message de recherche, un SIB, un MIB, un PRACH, un PUSCH et un PUCCH. Au moyen de la solution technique, la présente invention résout le problème relatif à la façon dont un NB-IOT obtient une pluralité de bandes étroites/porteuses, et concerne un procédé pour déterminer des bandes étroites disponibles.
PCT/CN2017/072962 2016-02-05 2017-02-06 Procédé et dispositif de transmission d'informations WO2017133702A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES17747022T ES2964757T3 (es) 2016-02-05 2017-02-06 Método y aparato para la transmisión de información
EP17747022.6A EP3413654B1 (fr) 2016-02-05 2017-02-06 Procédé et dispositif de transmission d'informations
US16/074,065 US11375545B2 (en) 2016-02-05 2017-02-06 Method and apparatus for information transmission
KR1020187025580A KR20180112805A (ko) 2016-02-05 2017-02-06 정보를 송신하기 위한 방법 및 디바이스
JP2018540733A JP6979958B2 (ja) 2016-02-05 2017-02-06 情報を伝送するための方法およびデバイス
US17/826,853 US11785647B2 (en) 2016-02-05 2022-05-27 Method and apparatus for information transmission
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CN110139364B (zh) * 2018-02-02 2024-05-31 中兴通讯股份有限公司 数据传输方法、装置、存储介质、基站及终端
CN110167150A (zh) * 2018-02-12 2019-08-23 中兴通讯股份有限公司 一种资源分配的方法和装置
CN111771407A (zh) * 2018-02-12 2020-10-13 华为技术有限公司 一种通信方法、通信设备及计算机程序存储介质
CN111771407B (zh) * 2018-02-12 2023-11-17 华为技术有限公司 一种通信方法、通信设备及计算机程序存储介质
CN110149706A (zh) * 2018-02-13 2019-08-20 中兴通讯股份有限公司 Pdsch资源分配的方法、装置、基站和存储介质
CN112020842A (zh) * 2018-02-28 2020-12-01 瑞典爱立信有限公司 用于指示针对rrc连接之前的物理下行链路共享信道的时域资源分配的方法
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