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WO2016161660A1 - Procédé et dispositif de transmission d'informations - Google Patents

Procédé et dispositif de transmission d'informations Download PDF

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Publication number
WO2016161660A1
WO2016161660A1 PCT/CN2015/076378 CN2015076378W WO2016161660A1 WO 2016161660 A1 WO2016161660 A1 WO 2016161660A1 CN 2015076378 W CN2015076378 W CN 2015076378W WO 2016161660 A1 WO2016161660 A1 WO 2016161660A1
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WIPO (PCT)
Prior art keywords
information
attribute
subframe
sib
transmission
Prior art date
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Ceased
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PCT/CN2015/076378
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English (en)
Chinese (zh)
Inventor
南方
余政
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2015/076378 priority Critical patent/WO2016161660A1/fr
Priority to CN201580047366.7A priority patent/CN106797634B/zh
Priority to CN202010308629.8A priority patent/CN111654919B/zh
Publication of WO2016161660A1 publication Critical patent/WO2016161660A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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 embodiments of the present invention relate to communication technologies, and in particular, to an information transmission method and apparatus.
  • MTC Machine Type Communication
  • the communication system based on the MTC includes a base station, a user equipment (User Equipment, UE for short), and other network elements, and the information or signal transmission (transmission including transmission and reception) is performed between the UE and the base station.
  • the communication system may be a Long Term Evolution (LTE) system, or may be an Advanced Long Term Evolution (LTE Advanced, LTE-A) system, or other versions of the LTE system in the future. There is no limit to this.
  • the system information, the paging information, and the random access response (RAR) are all sent by the base station to the UE, which is called a public message; wherein the system information is divided into main information.
  • MIB Master Information Block
  • SIB System Information Block
  • the common message is carried by the physical channel.
  • the MIB is carried by a physical broadcast channel (PBCH)
  • the SIB, the RAR, and the Paging are carried by a physical downlink shared channel (PDSCH).
  • PDSCH physical downlink shared channel
  • the PDSCH is also used to carry the downlink unicast data.
  • the PDSCH needs to pass the Physical Downlink Control Channel (PDCCH) or the enhanced physical downlink control, whether it carries the public message or the downlink unicast data.
  • the Downlink Control Information (DCI) carried by the Enhanced Physical Downlink Control Channel (EPDCCH) is scheduled, that is, the resource block occupied by the PDSCH and the Modulation and Coding Scheme (MCS) are configured. , further, MCS configured through DCI
  • the transport block size (Transport Block Size, referred to as TBS) used for SIB, RAR, Paging, and downlink unicast data transmission can be determined.
  • TBS Transport Block Size
  • the uplink data of the LTE system is carried by a Physical Uplink Shared Channel (PUSCH).
  • PUSCH Physical Uplink Shared Channel
  • the PUSCH also needs to be scheduled by DCI, that is, the resource block occupied by the PUSCH, the MCS, and the like, and further, through the DCI.
  • the configured MCS can determine the TBS used for uplink data transmission.
  • Uplink Control Information (UCI) of the LTE system is carried by a Physical Uplink Control Channel (PUCCH).
  • PUCCH Physical Uplink Control Channel
  • common messages, downlink unicast data, DCI, uplink data, and UCI are referred to as information in the LTE system.
  • the coverage of the cell is generally the signal sent by the base station with the maximum transmit power. If the UE can correctly detect the transmitted signal with a certain probability, the location of the UE is within the coverage of the cell.
  • the coverage of the system needs to be enhanced, such as an additional 20 dB or 15 dB coverage enhancement based on the coverage of the existing system.
  • Coverage enhancement means that the transmission of signals in the system can ensure that the UE with poor channel quality can reliably communicate with the base station.
  • a UE that satisfies the UE with reliable coverage and communicates with the base station by coverage enhancement is called a UE that needs coverage enhancement.
  • the bandwidth occupied by the SIB of the existing LTE system may be greater than the low-complexity (which may also be low-cost in the present invention) of the received signal bandwidth of the UE, so that the low complexity UE cannot receive the SIB of the existing LTE system.
  • the low complexity UE In order to ensure that the low complexity UE can communicate with the base station, it is required to define for the low complexity UE that the occupied bandwidth is not greater than the new SIB of the received signal bandwidth of the low complexity UE; in addition, the UE requiring coverage enhancement also needs to receive the New SIB; the new SIB has one or more types.
  • the type of the first new SIB that contains the low complexity UE or the configuration information needed to cover the enhanced UE is, for example, MTC SIB1.
  • the base station Since the frequency range of the PDCCH mapping is the entire system bandwidth, when the system bandwidth is greater than the bandwidth of the low complexity UE receiving signal, the low complexity UE cannot obtain the DCI for scheduling the SIB through the PDCCH.
  • the base station includes the scheduling information of the MTC SIB1 in the MIB (where the frequency resource occupied by the MIB is only 1.4 MHz), that is, the time resource, the frequency resource, and the MCS of the MTC SIB1 are configured through the MIB, thereby being low-complex The UE does not need to receive the DCI carried by the PDCCH.
  • the UE only needs to receive the scheduling information of the MTC SIB1 included in the MIB, and determines the MCS, the time resource, and the frequency resource used by the MTC SIB1 according to all the scheduling information. For other information, at In the prior art, the UE needs to determine the MCS (or TBS, or number of information bits) used by the information transmission and the time resource by receiving the time resource for information transmission and the configuration information of the MCS sent by the base station or by blind detection.
  • MCS or TBS, or number of information bits
  • the base station configures the time resource, the frequency resource, and the MCS of the MTC SIB1 through the MIB, which requires a large bit overhead, and since the bits in the MIB are invaluable, it needs to be effectively utilized.
  • the UE needs to determine the MCS (or TBS, or number of information bits) or time resources used for information transmission by receiving the configuration information sent by the base station, and therefore, there is a large system overhead.
  • Embodiments of the present invention provide an information transmission method and apparatus, which improve utilization of system resources.
  • an embodiment of the present invention provides an information transmission method, including:
  • Determining a first attribute in an attribute of the information wherein the attribute of the information includes: a characteristic of the information and a parameter of the information;
  • the characteristics of the information include any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits; the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe number.
  • the subframe type the number of symbols or the length of time occupied by the information in the subframe, the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the information Time length between the start subframe and the end subframe, the coverage enhancement level, the repetition level, the number of repetitions, the number of subframes to which the TTI is bound, the modification period, the system information SI window length, the system information SI period, and the random number
  • the information includes at least one of the following: RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI, and
  • the first attribute is a feature of the information, and the genus of the determining information
  • the first attribute in sex including:
  • the first attribute is determined according to at least one of a number of transmitted random access preamble subframes, a number of radio frames, a repetition number, a repetition level, a time length, a sequence, a frequency domain resource location, and a time resource location.
  • the determining information includes: receiving a primary information block MIB including configuration information of the first attribute, and determining the first attribute according to the configuration information in the MIB.
  • the configuration information of the first attribute is used to configure at least one of: whether subframe 1 and subframe 6 are For the transmission of the SIB, whether the subframe 1 is used for the transmission of the SIB, whether the subframe 6 is used for the transmission of the SIB, and whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, Whether the subframe type of the SIB transmission is only a downlink subframe or both a downlink subframe and a special subframe, the number of symbols occupied by the SIB in a special subframe transmission, and the length of time that the SIB is occupied in a special subframe transmission. And the length of time or the number of symbols of the DwPTS of the special subframe used for the SIB transmission.
  • the determining the information according to the first attribute includes:
  • the first association relationship comprises: an association relationship between a feature of the information and a parameter of the information.
  • the determining the information according to the first attribute includes:
  • an embodiment of the present invention provides an information transmission method, including:
  • Determining a first attribute in an attribute of the information wherein the attribute of the information includes: a characteristic of the information and a parameter of the information;
  • the feature information of the information includes any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits; the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe.
  • the sequence number, the subframe type, the number of symbols or the length of time occupied by the information in the subframe, the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the information Time length between the start subframe and the end subframe, the coverage enhancement level, the repetition level, the number of repetitions, the number of subframes to which the TTI is bound, the modification period, the system information SI window length, the system information SI period, The random access response RAR window length, the discontinuous reception DRX cycle, the paging cycle, and the system bandwidth;
  • the information includes at least one of the following: a system information block SIB, a primary information block MIB, a paging message, a RAR, and a downlink unicast data.
  • the information includes at least one of the following: RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI, and
  • the first attribute is a feature of the information, and the first attribute in the attribute of the determining information includes:
  • the first attribute is determined according to at least one of a received random access preamble number of subframes, a number of radio frames, a repetition number, a repetition level, a time length, a sequence, a frequency domain resource location, and a time resource location.
  • the method further includes: sending a primary information block MIB that includes the configuration information of the first attribute, so that the UE determines the first attribute according to the configuration information in the MIB .
  • the configuration information of the first attribute is used to configure at least one of: whether subframe 1 and subframe 6 are For the transmission of the SIB, whether subframe 1 is used for transmission of the SIB, whether subframe 6 is For the transmission of the SIB, whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, and whether the subframe type of the SIB transmission is only a downlink subframe or a downlink subframe or a special subframe, The number of symbols occupied by the SIB in the special subframe transmission, the length of time the SIB is occupied in the special subframe transmission, and the length of time or the number of symbols of the DwPTS of the special subframe used for the SIB transmission.
  • the determining the information according to the first attribute includes:
  • the first association relationship comprises: an association relationship between a feature of the information and a parameter of the information.
  • the determining the information according to the first attribute includes:
  • an embodiment of the present invention provides a user equipment UE, including:
  • a first determining module configured to determine a first attribute in an attribute of the information, where the attribute of the information includes: a feature of the information and a parameter of the information;
  • a second determining module configured to determine, according to the first attribute, a second attribute other than the first attribute of the attribute of the information
  • a transmission module configured to perform, according to an attribute of the information, the transmission of the information
  • the characteristics of the information include any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits; the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe number.
  • the subframe type the number of symbols or the length of time occupied by the information in the subframe, the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the information Length of time between the start subframe and the end subframe, coverage enhancement level, repetition level, number of repetitions, transmission time interval, number of subframes bound by TTI, modification period, system information
  • the information includes at least one of the following: RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI, and
  • the first attribute is a feature of the information, and the first determining module is specifically configured to:
  • the first attribute is determined according to at least one of a number of transmitted random access preamble subframes, a number of radio frames, a repetition number, a repetition level, a time length, a sequence, a frequency domain resource location, and a time resource location.
  • the first The determining module is specifically configured to: receive a primary information block MIB that includes configuration information of the first attribute, and determine the first attribute according to the configuration information in the MIB.
  • the configuration information of the first attribute is used to configure at least one of: whether subframe 1 and subframe 6 are For the transmission of the SIB, whether the subframe 1 is used for the transmission of the SIB, whether the subframe 6 is used for the transmission of the SIB, and whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, Whether the subframe type of the SIB transmission is only a downlink subframe or both a downlink subframe and a special subframe, the number of symbols occupied by the SIB in a special subframe transmission, and the length of time that the SIB is occupied in a special subframe transmission. And the length of time or the number of symbols of the DwPTS of the special subframe used for the SIB transmission.
  • the second determining module is specifically configured to:
  • the first association relationship comprises: an association relationship between a feature of the information and a parameter of the information.
  • the second determining module is specifically configured to:
  • an embodiment of the present invention provides a base station, including:
  • a first determining module configured to determine a first attribute in an attribute of the information, where the attribute of the information includes: a feature of the information and a parameter of the information;
  • a second determining module configured to determine, according to the first attribute, a second attribute other than the first attribute of the attribute of the information
  • a transmission module configured to perform, according to an attribute of the information, the transmission of the information
  • the feature information of the information includes any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits; the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe.
  • the sequence number, the subframe type, the number of symbols or the length of time occupied by the information in the subframe, the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the information Time length between the start subframe and the end subframe, the coverage enhancement level, the repetition level, the number of repetitions, the number of subframes to which the TTI is bound, the modification period, the system information SI window length, the system information SI period, The random access response RAR window length, the discontinuous reception DRX cycle, the paging cycle, and the system bandwidth;
  • the information includes at least one of the following: a system information block SIB, a primary information block MIB, a paging message, a RAR, and a downlink unicast data.
  • the information includes at least one of the following: RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI, and
  • the first attribute is a feature of the information, and the first determining module is specifically configured to:
  • the first attribute is determined according to at least one of a received random access preamble number of subframes, a number of radio frames, a repetition number, a repetition level, a time length, a sequence, a frequency domain resource location, and a time resource location.
  • the transmission module is further configured to: send a main information block MIB that includes configuration information of the first attribute, to And causing the UE to determine the first attribute according to the configuration information in the MIB.
  • the configuration information of the first attribute is used to configure at least one of: whether subframe 1 and subframe 6 are For the transmission of the SIB, whether the subframe 1 is used for the transmission of the SIB, whether the subframe 6 is used for the transmission of the SIB, and whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, Whether the subframe type of the SIB transmission is only a downlink subframe or both a downlink subframe and a special subframe, the number of symbols occupied by the SIB in a special subframe transmission, and the length of time that the SIB is occupied in a special subframe transmission. And the length of time or the number of symbols of the DwPTS of the special subframe used for the SIB transmission.
  • the second determining module is specifically configured to:
  • the first association relationship comprises: an association relationship between a feature of the information and a parameter of the information.
  • the second determining module is specifically configured to:
  • the first attribute in the attribute of the information is determined; wherein the attribute of the information includes: a feature of the information and a parameter of the information; and determining, according to the first attribute, an attribute of the information a second attribute other than the first attribute; further, transmitting the information according to the attribute of the information; wherein the characteristics of the information include any one of the following: a modulation and coding mode MCS, a transport block size TBS And the number of information bits; the parameter of the information includes at least one of the following: the number of subframes, the number of radio frames, the sequence number of the subframe, the type of the subframe, the number of symbols or the length of time occupied by the information in the subframe, The number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, the length of time between the start subframe and the end subframe in which the information is transmitted, the coverage enhancement level, the repetition level, and the repetition Number of times, number of subframes to which the TTI is bound,
  • FIG. 1A is a schematic diagram 1 of an application scenario of an information transmission method according to the present invention.
  • FIG. 1B is a schematic flowchart of Embodiment 1 of an information transmission method according to the present invention.
  • Embodiment 2 is a schematic flowchart of Embodiment 2 of an information transmission method according to the present invention
  • Embodiment 3 is a schematic flowchart of Embodiment 3 of an information transmission method according to the present invention.
  • Embodiment 4 is a schematic flowchart of Embodiment 4 of an information transmission method according to the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a user equipment UE according to the present invention.
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of a user equipment UE according to the present invention.
  • Embodiment 7 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a base station according to the present invention.
  • FIG. 1A is a schematic diagram of an application scenario of an information transmission method according to the present invention.
  • FIG. 1B is a schematic flowchart of Embodiment 1 of an information transmission method according to the present invention.
  • the execution body of this embodiment may be set for the user
  • the UE can be implemented by software and/or hardware.
  • the solution in this embodiment can be applied to a base station and a low-complexity UE or a UE that needs to be enhanced by coverage, which can save system overhead and improve system resource utilization.
  • the method in this embodiment may include:
  • the attribute of the information includes: a feature of the information and a parameter of the information.
  • the characteristics of the information include any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits;
  • the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe number.
  • the subframe type the number of symbols or the length of time occupied by the information in the subframe, and the number of symbols or time of the Downlink Pilot Time Slot (DwPTS) in the special subframe of the information.
  • DwPTS Downlink Pilot Time Slot
  • the length, the length of time between the start and end subframes of the information, the coverage enhancement level, the repetition level, the number of repetitions, the number of subframes to be bound by the Transmission Time Interval (TTI), and the modification period.
  • TTI Transmission Time Interval
  • SI System information
  • DRX discontinuous reception
  • paging period paging period
  • system bandwidth the information includes at least one of the following Species: system information block SIB, main information block MIB, paging message, RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information Interest UCI.
  • the embodiments of the present invention are mainly applied to an LTE system, an LTE-A system, or other versions of an LTE system; optionally, the present invention is also applicable to other types including a first entity and a second entity, and the two can communicate.
  • the first entity and the second entity may perform transmission and/or reception of information.
  • the base station and the UE1 to the UE6 form a communication system in which the base station and the UE1 to the UE6 can communicate with each other; in addition, the UE4 to the UE6 also form a communication system in which the communication system In the medium, UE5, UE4 and UE6 can communicate with each other.
  • the base station may be a NodeB or an evolved base station eNodeB; optionally, the UE may be any terminal, such as a low complexity or low cost UE, a UE requiring coverage enhancement, or a UE performing MTC, etc. .
  • the UE determines any one of the feature of the information and the parameter of the information, and optionally, any one of the attributes of the information determined by the UE is referred to as a first attribute ( That is, if the UE determines the feature of the information, the first attribute is a feature of the information; if the UE determines a parameter of the information, the first attribute is a parameter of the information. ).
  • the UE may determine the first attribute or the UE according to a random access preamble
  • the first attribute may be determined according to the configuration information of the first attribute sent by the base station, or may be determined by other methods, which is not limited in the embodiment of the present invention.
  • the characteristics of the information include any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits.
  • the parameter of the information includes at least one of the following: a number of subframes that need to be occupied by transmitting the information, a number of radio frames that need to be occupied by transmitting the information, a subframe number that is used to transmit the information, and the transmission
  • the type of the subframe occupied by the information, the symbol occupied by the information in the subframe (optionally, the number of the Orthogonal Frequency Division Multiplexing (OFDM) symbols) or the length of time, the special subframe of the information
  • the information includes at least one of the following: a system information block SIB, a primary information block MIB, a paging message, a RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI.
  • SIB system information block
  • MIB primary information block
  • RAR paging message
  • DCI downlink control information
  • UCI uplink control information
  • the coverage enhancement is divided into multiple coverage enhancement levels according to the channel quality between the base station and the UE, or the repeated transmission of information between the base station and the UE is divided into multiple repetition levels; wherein the repetition level or coverage
  • the enhancement level corresponds to the channel quality between the UE and the base station, for example, the worse the channel quality, the higher the coverage enhancement level, or the worse the channel quality, for example, the higher the repetition level;
  • the coverage enhancement level of the UE or the repetition level of the information transmission may be Determining at least one of the number of subframes occupied by the information transmission, the number of occupied radio frames, and the number of repetitions; for example, the higher the coverage enhancement level or the higher the repetition level, the more repetitions of information transmission.
  • the information is a low complexity UE (or low cost UE) and/or information that needs to be received or transmitted by the enhanced enhanced UE.
  • the UE determines, according to the first attribute that has been determined, the feature of the information and another parameter of the information that is unknown to the UE, and refers to the other as the second. Attribute (that is, if the first attribute determined by the UE in step S101 is the feature of the information, the second attribute determined by the UE in step S102 is a parameter of the information; if the UE determines through step S101 The first attribute is a parameter of the information, and the UE passes the step S102. The determined second attribute is a feature of the information).
  • the UE determines the second attribute according to the first attribute and the first association relationship, where the first association relationship includes: an association between a feature of the information and a parameter of the information
  • the first association relationship is information that is pre-configured in the UE, or information that is obtained by the UE from the base station side in real time, and of course, the UE may obtain the first manner by using other methods.
  • the association relationship is not limited by the present invention.
  • the UE may further determine a basic attribute of the second attribute, and determine a second association relationship according to the first attribute, where the second association relationship includes: the second attribute and the Determining an association relationship between basic attributes of the second attribute; further determining the second attribute according to the basic attribute of the second attribute and the second associated relationship.
  • the UE may further determine the second attribute by using other manners according to the first attribute, which is also limited by the present invention. It can be seen that, in the embodiment of the present invention, the UE does not need to obtain all the attributes about the information from the base station side, that is, the UE does not need to receive a large amount of configuration information that the base station sends through signaling to determine the related configuration of the information. Rather, other attributes in the attributes of the information that are unknown to the UE may be determined according to the partial attributes that the UE has acquired, thereby saving valuable resources in signaling, that is, saving system overhead.
  • the UE after the UE acquires the feature of the information and the parameter of the information, the UE performs the transmission of the information with the base station according to the feature and the parameter of the information.
  • the first attribute in the attribute of the information is determined; wherein the attribute of the information includes: a feature of the information and a parameter of the information; and determining an attribute of the information according to the first attribute a second attribute other than the first attribute; further, transmitting the information according to the attribute of the information; wherein the characteristics of the information include any one of the following: a modulation coding mode MCS, a transport block The size of the TBS and the number of information bits; the parameter of the information includes at least one of the following: the number of subframes, the number of radio frames, the sequence number of the subframe, the type of the subframe, the number of symbols occupied by the information in the subframe, or the length of time.
  • MCS modulation coding mode
  • the parameter of the information includes at least one of the following: the number of subframes, the number of radio frames, the sequence number of the subframe, the type of the subframe, the number of symbols occupied by the information in the subframe, or the length of time.
  • the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information the length of time between the start subframe and the end subframe in which the information is transmitted, the coverage enhancement level, and the repetition level. Number of repetitions, number of subframes to which the TTI is bound, the modification period, the system information SI window length, the system information SI period, the random access response RAR window length, and the discontinuous reception DRX period Paging cycle and a system bandwidth;
  • said information comprises At least one of: a system information block SIB, a main information block MIB, a paging message, a RAR, a downlink unicast data, a downlink control information DCI, an uplink data, and an uplink control information UCI; determining, according to a part of attributes acquired by the UE The other attributes in the attributes of the information that are unknown to the UE are described, thereby saving valuable resources in the signaling, that is, saving system overhead and improving utilization of system resources.
  • FIG. 2 is a schematic flowchart diagram of Embodiment 2 of an information transmission method according to the present invention.
  • the method in this embodiment may include:
  • the attribute of the information includes: a feature of the information and a parameter of the information.
  • the information includes at least one of the following: a system information block SIB, a main information block MIB, a paging message, a RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI, Therefore, in this embodiment, classification description is performed according to different combinations of types included in the information.
  • the step S201 includes: receiving the main information block including the configuration information of the first attribute. An MIB, and determining the first attribute according to the configuration information in the MIB.
  • the information is an SIB
  • the SIB is the first system information block received by the user equipment UE, or is required before the UE obtains the uplink and downlink configuration and/or the feature subframe configuration.
  • the received SIB is described below by taking the type of the SIB as the MTC SIB1 as an example.
  • the base station After the base station determines the first attribute in the attribute of the MTC SIB1, the base station sends a primary information block MIB including configuration information of the first attribute to the UE; the UE receives the MIB and obtains the inclusion The configuration information in the MIB, and further determining the first attribute according to the configuration information.
  • the first attribute may be any one of a feature of the information and a parameter of the information; that is, if the first attribute is a feature of the MTC SIB1, configuration information of the first attribute is The configuration information of the feature of the MTC SIB1; if the first attribute is a parameter of the MTC SIB1, the configuration information of the first attribute is the configuration information of the parameter of the MTC SIB1.
  • the configuration information of the first attribute is used to configure at least one of whether subframe 1 and subframe 6 are used for transmission of the SIB, whether subframe 1 is used for transmission of the SIB, and subframe 6 Whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, and whether the subframe type of the SIB transmission is only a downlink subframe or a downlink subframe or a special a subframe, a number of symbols occupied by the SIB in a special subframe, a length of time occupied by the SIB in a special subframe, and a length of a DwPTS of a special subframe used for the SIB transmission, The number of symbols of the DwPTS of the special subframe transmitted by the SIB.
  • the SIB configured by the configuration information of the same first attribute information is different in the number of symbols occupied by the special subframe transmission; or the configuration information of the same first attribute information is configured.
  • the duration of the time that the SIB is occupied by the special subframe is different; or the length of the DwPTS of the special subframe for the SIB transmission configured by the configuration information of the same first attribute information is different; or the same first attribute information
  • the number of symbols of the DwPTS of the special subframe for the SIB transmission configured by the configuration information is different.
  • the base station includes one or more of the following configuration information by using the MIB, and the base station sends the MTC SIB1 according to the configuration information in the subframe 1 and/or the subframe 6.
  • the UE obtains one or more of the following configuration information included in the MIB by receiving the MIB, and the UE receives the MTC SIB1 according to the configuration information in the subframe 1 and/or the subframe 6:
  • the configuration information may be 1 bit;
  • the configuration information may be 2 bits;
  • the configuration information may be 1 bit
  • the number of symbols used in the conventional CP is one, four, seven, eight, nine, and ten; the number of symbols used in the extended CP is one, 3 One, six, seven, one of eight;
  • the length of the DwPTS field of the special subframe used for MTC SIB1 transmission or the number of OFDM symbols occupied by the DwPTS domain is 2 bits, and the time length for configuring the DwPTS domain is one of 6592 ⁇ T s , 13168 ⁇ T s , 19760 ⁇ T s , and 24144 ⁇ T s , or the OFDM symbol occupied by the DwPTS domain is configured.
  • the number is one of three, six, nine, and eleven.
  • the configuration information has different meanings under the regular CP and the extended CP, for example, the configuration information is 3 bits.
  • the length of time for configuring the DwPTS domain under the conventional CP is one of 6592 ⁇ T s , 13168 ⁇ T s , 19760 ⁇ T s , 21952 ⁇ T s , 24144 ⁇ T s , 26336 ⁇ T s ; extended CP
  • the length of time for configuring the DwPTS domain is one of 7680 ⁇ T s , 12800 ⁇ T s , 20480 ⁇ T s , 23040 ⁇ T s , and 25600 ⁇ T s .
  • the configuration of a Multicast Broadcast Single Frequency Network (MBSFN) subframe is included in the SIB of the SIB2.
  • MBSFN Multicast Broadcast Single Frequency Network
  • the SIB received before the MBSFN subframe configuration is obtained must be transmitted in a subframe that is not configured as an MBSFN subframe. That is, for FDD, one or more transmissions in subframes with subframe numbers 0, 4, 5, 9; for TDD, one or more of subframes with subframe numbers 0, 1, 5, 6. Transmission.
  • the SIB received before the MBSFN subframe configuration is obtained is transmitted on subframe 0 and subframe 5.
  • the subframe 0 and the subframe 5 also carry the synchronization signal, the MIB, the SIB1 in the existing system, etc.
  • the resources that can be used to transmit the SIB to the low complexity UE or the coverage enhanced UE are very small, and cannot satisfy the system coverage enhancement. demand. Therefore, the SIB received before the MBSFN subframe configuration is obtained also needs to be transmitted on other subframes.
  • the type of SIB received by the low complexity UE or the UE requiring coverage enhancement before obtaining the MBSFN subframe configuration may be, for example, one or more of MTC SIB1 and MTC SIB2.
  • the uplink and downlink configuration and the special subframe configuration are included in the SIB of SIB1.
  • SIB the SIB received by the low-complexity UE or the UE requiring coverage enhancement before the uplink-downlink configuration and the special subframe configuration can occupy the subframe 6 and the length of time occupied by the special subframe transmission is a problem to be solved. .
  • the transmission of the SIB received before obtaining the uplink and downlink configuration and the special subframe configuration adopts one or more of a fixed uplink and downlink configuration, a fixed special subframe configuration, and a fixed DwPTS length.
  • the SIB type received by the low complexity UE or the UE requiring coverage enhancement before obtaining the uplink and downlink configuration and the special subframe configuration may be, for example, MTC SIB1.
  • This mode of the prior art cannot be applied to all uplink and downlink configurations or special subframe configurations. Therefore, some uplink and downlink configurations or special subframe configurations cannot be applied to UEs that support low complexity UEs or require coverage enhancement. system.
  • the system can support multiple uplink and downlink configurations and/or special The subframe configuration is used for the transmission of the SIB, which has greater flexibility. Further, the system can support all uplink and downlink configurations and/or special subframe configurations for the transmission of the SIB.
  • the parameter of the MTC SIB1 may include one or more of the following: 1) the number of subframes occupied by the MTC SIB1, such as the SIB transmission of the MTC SIB1 in one radio frame (referred to as MTC SIB1 transmission) The number of occupied subframes, for example, 1 to 4 subframes, or the number of subframes occupied by the MTC SIB1 transmission in the modification period; 2) the subframe number occupied by the MTC SIB1, for example, 0, 4, 5 for FDD One or more of 9, such as one or more of 0, 1, 5, 6 for TDD; 3) a subframe type occupied by the MTC SIB1, such as a subframe occupied by the MTC SIB1 is a downlink Whether the sub-frame includes both the downlink subframe and the special subframe, or whether a certain subframe (for example, subframe 6) occupied is a downlink subframe or a special subframe; 4) the OFDM occupied by the MTC SIB1 in the subframe The number of
  • the number of symbols in the DwPTS domain is 3, 5, and 6.
  • a modification period such as a modification period of the MTC SIB1, or a public modification period of a low-complexity UE or an SIB that needs to be covered by the enhanced UE
  • System Bandwidth for example, when the system bandwidth is 1.4 MHz, the TBS used by the MTC SIB1 in subframe 0 and the subframe 5 of the odd radio frame number is the first TBS; when the system bandwidth is greater than 1.4 MHz, the MTC SIB1 is in the subframe.
  • the adopted TBS is the second TBS; 8) the number of radio frames occupied by the MTC SIB1, such as the MTC SIB1 in the modification period.
  • the number of radio frames occupied by the transmission 9) the number of repetitions, which is equivalent to the number of subframes occupied; 10) the repetition level; 11) the coverage enhancement level.
  • the SIB is an SIB that the user equipment UE needs to receive before obtaining the MBSFN subframe configuration
  • the SIB may also be a low complexity UE.
  • the SIB is not the first type of SIB received by the UE and is received by the UE.
  • the step S201 includes: receiving the Nth type of SIBs including configuration information of the first attributes And determining, by the UE, any system information, and determining the first attribute according to the configuration information in the system information; where the system information includes at least one of the following: an MIB and the UE at a receiving station Any SIB received before the Nth type of SIB.
  • the information is a system information block (SIB), and the SIB is an SIB that the user equipment UE needs to receive before obtaining the MBSFN subframe configuration, (for the TDD system, the SIB may also be a low complexity.
  • SIB system information block
  • the UE of the degree or the SIB that needs to be received by the enhanced UE after obtaining the uplink and downlink configuration and/or the special subframe configuration is described below by taking the type of the SIB as the MTC SIB2 as an example, that is, the N is 2 .
  • the base station After the base station determines the first attribute in the attribute of the MTC SIB2, the base station sends system information including configuration information of the first attribute to the UE (the system information may be MIB or MTC SIB1); The UE receives the system information and obtains the configuration information included in the system information, and further determines the first attribute according to the configuration information.
  • the first attribute may be any one of a feature of the information and a parameter of the information; that is, if the first attribute is a feature of the MTC SIB2, configuration information of the first attribute is The configuration information of the feature of the MTC SIB2; if the first attribute is a parameter of the MTC SIB2, the configuration information of the first attribute is the configuration information of the parameter of the MTC SIB2.
  • the parameter of the MTC SIB2 may include one or more of the following: 1) the number of subframes occupied by the MTC SIB2, such as the SIB transmission of the MTC SIB2 in one radio frame (referred to as MTC SIB2 transmission) The number of occupied subframes, for example, 1 to 4 subframes, or the number of subframes occupied by the MTC SIB2 transmission in the modification period; 2) the subframe number occupied by the MTC SIB2, for example, 0, 4, 5 for FDD One or more of 9, such as one or more of 0, 1, 5, 6 for TDD; 3) a subframe type occupied by the MTC SIB2, such as a subframe occupied by the MTC SIB2 is a downlink Whether the sub-frame includes both the downlink subframe and the special subframe, or whether a certain subframe (for example, subframe 6) occupied is a downlink subframe or a special subframe; 4) the OFDM occupied by the MTC SIB2 in the subframe The number of
  • the number of symbols in the DwPTS domain is 3, 5, and 6.
  • the adopted TBS is the first TBS; when the system bandwidth is greater than 1.4 MHz, the MTC SIB2 is transmitted in the subframe 5 and the subframe 5 of the odd radio frame number, and is not in the system.
  • the adopted TBS is the second TBS; 8) the number of radio frames occupied by the MTC SIB2, such as the number of radio frames occupied by the MTC SIB2 transmission in the modification period; 9) the number of repetitions, which is equivalent The number of subframes occupied; 10) repetition level; 11) coverage enhancement level; 12) SI window length, such as the SI window length of the MTC SIB2, or the low complexity UE or the UE requiring coverage enhancement needs to be received.
  • the common SI window length of the SIB 13) SI period, such as the SI period of the MTC SIB2, or the common SI period of the low complexity UE or the SIB that needs to be covered by the enhanced UE; 14) the DRX period,
  • the number of subframes occupied by MTC SIB2 (or the number of radio frames, Repetitions) may also be sub-frames in the transmission SI window length MTC SIB2 occupied.
  • the base station and/or the UE may determine the parameters of the information according to the uplink and downlink configuration and/or the special subframe configuration, for example, occupying Whether the downlink subframe 6 is a downlink subframe or a special subframe is the type of the subframe 6 configured in the uplink and downlink configuration, or the length of the DwPTS in the special subframe, for example, is the length of the DwPTS configured in the special subframe configuration.
  • the number of OFDM symbols occupied in the subframe 6 and/or the subframe 1 is the number of symbols included in the DwPTS configured by the special subframe configuration minus the traditional control.
  • the number of symbols of the area for example, minus 2, or for example, if the uplink and downlink configuration configuration subframe 6 is a downlink subframe, the number of OFDM symbols occupied in the subframe 6 is the number of symbols included in one subframe minus the traditional control region.
  • the number of symbols, such as minus 2 Therefore, it is only necessary to include the uplink and downlink configuration and the special subframe configuration in the MIB and/or the MTC SIB1 without the configuration information of the parameters including the information.
  • the base station still needs to include configuration information of the system bandwidth in the MIB, and the UE determines the system bandwidth by receiving the MIB and obtaining configuration information of the system bandwidth. Therefore, the configuration information of the system bandwidth is not required in the MTC SIB1.
  • the SIB is an SIB that the user equipment UE needs to receive after obtaining the MBSFN subframe configuration
  • the SIB may also be a low complexity UE.
  • the SIB is not the first SIB received by the UE and is the Nth type received by the UE.
  • the step S201 includes: receiving any system information received by the UE before the Nth type of SIB including the configuration information of the first attribute Determining, according to the configuration information in the system information, the first attribute; where the system information includes at least one of: MIB and the UE received before receiving the Nth type of SIB Any SIB.
  • the SIB may also be low-complex for the TDD system.
  • the UE of the degree may need to cover the SIB that the enhanced UE needs to receive after obtaining the uplink and downlink configuration and/or the special subframe configuration, such as the other SIB types except the MTC SIB1 and the MTC SIB2, that is, the For example, N is greater than 3 (the following is an example of MTC SIB3).
  • the base station After the base station determines the first attribute in the attribute of the MTC SIB3, the base station sends system information including configuration information of the first attribute to the UE (the system information may be MIB, MTC SIB1, and MTC) Any one of the SIBs; the UE receives the system information and obtains the configuration information included in the system information, and further determines the first attribute according to the configuration information.
  • the system information may be MIB, MTC SIB1, and MTC
  • the UE receives the system information and obtains the configuration information included in the system information, and further determines the first attribute according to the configuration information.
  • the first attribute may be any one of a feature of the information and a parameter of the information; that is, if the first attribute is a feature of the MTC SIB3, configuration information of the first attribute is Configuration information of the feature of the MTC SIB3; if the first attribute is a parameter of the MTC SIB3, the configuration information of the first attribute is configuration information of a parameter of the MTC SIB3.
  • the parameters of the MTC SIB3 are similar to the above parameters about the MTC SIB2 in the implementation of the present invention, as described in the above section; the different parts are as follows: 1) The maximum number of subframes occupied by the MTC SIB3 is based on MBSFN. The subframe configuration and/or the uplink and downlink configuration are determined, for example, the uplink and downlink configuration of the TDD system is 2, and the MBSFN subframe configuration configuration subframe 8 is an MBSFN subframe, and the maximum number of the occupied subframes in one radio frame.
  • the optional value of the subframe number occupied by the MTC SIB3 is determined according to the MBSFN subframe configuration and/or the uplink and downlink configuration, and the optional value of the subframe number occupied by the MTC SIB3 is 0, 1 , 3, 4, 5, 6, 9.
  • the step S201 includes: receiving system information including configuration information of the first attribute, and determining, according to the configuration information in the system information, An attribute; wherein the system information includes at least one of the following: an MIB and an SIB.
  • the base station sends the system information that includes the configuration information of the first attribute to the UE (the system information may be an MIB and/or an SIB, the type of the SIB is, for example, any one of MTC SIB1-MTC SIBa, a is a positive integer); the UE receives the system information and obtains the information included in the Determining the configuration information in the system information, and further determining the first attribute according to the configuration information.
  • the system information may be an MIB and/or an SIB, the type of the SIB is, for example, any one of MTC SIB1-MTC SIBa, a is a positive integer
  • the UE receives the system information and obtains the information included in the Determining the configuration information in the system information, and further determining the first attribute according to the configuration information.
  • the first attribute may be any one of a feature of the information and a parameter of the information; that is, if the first attribute is a feature of the RAR, the configuration information of the first attribute is the The configuration information of the feature of the RAR; if the first attribute is the parameter of the RAR, the configuration information of the first attribute is the configuration information of the parameter of the RAR. If the first attribute is a feature of paging, the configuration information of the first attribute is configuration information of a feature of the paging; if the first attribute is a parameter of the paging, the first The configuration information of the attribute is the configuration information of the parameter of the paging.
  • the parameter of the RAR may include one or more of the following: 1) the number of subframes occupied by the RAR, such as a total of occupied sub-carriers of a RAR transmission block.
  • the number of frames, or a transport block such as RAR transmits the number of subframes occupied in one radio frame; optionally, one transport block of the RAR transmits the maximum number of subframes occupied in one radio frame according to the MBSFN subframe.
  • one transport block transmission of the RAR may include multiple repeated transmissions of the same transport block, ie transmitting the same transport block in different subframes; one transport block of the RAR may contain
  • the RAR of one UE may also include the RAR of multiple UEs; 2) the subframe number occupied by the RAR; 3) the subframe type occupied by the RAR; 4) the OFDM symbols occupied by the RAR in the subframe Number; 5) the length of time of the DwPTS in the special subframe occupied by the RAR; 6) the length of time between the start subframe and the end subframe of the RAR transmission, that is, the start of a transport block transmission of the RAR Length of time between frame and end subframe; 7) random access response window 8) DRX cycle; 9) system bandwidth; 10) the number of radio frames occupied by the RAR, such as the total number of radio frames occupied by one transport block of the RAR; 11) the number of repetitions; 12) the
  • the parameters of the paging information may include the following One or more of the following: 1) the number of subframes occupied by the paging information (Paging), such as the total number of subframes occupied by one transport block of Paging, or one transport block such as Paging transmitted in one radio frame
  • Paging the number of subframes occupied by the radio packet
  • the maximum value of the number of subframes occupied by a transport block in a radio frame in a radio frame is determined according to the MBSFN subframe configuration and/or the uplink and downlink configuration
  • one transmission of the Paging The block transmission may include multiple repeated transmissions of the same transport block, that is, the same transport block is transmitted in different subframes
  • one transport block of the Paging may include one UE's Paging, or may include multiple UEs' Paging; or
  • the subframe number occupied by the Paging may be a subframe number occupied by the Paging transmission, or a subframe number occupied by the PO; 3) the subframe type occupied by the paging may be a Paging transmission or a P The number of OFDM symbols occupied by the Paging in the subframe, which may be the number of OFDM symbols occupied by the Paging transmission or the PO in the subframe; 5) in the special subframe of the Paging The length of the DwPTS may be the length of the DwPTS in the special subframe occupied by the Paging transmission or the PO; 6) the length of time between the start subframe and the end subframe of the paging information transmission, that is, a transport block of the Paging The length of time between the start and end subframes of the transmission; 7) the Paging period, such as the default Paging period; 8) the DRX period; 9) the system bandwidth; 10) the number of radio frames occupied by the paging, such as Paging The total number of radio frames occupied
  • the UE may further determine the first attribute according to a random access preamble. That is, the first attribute is determined according to at least one of the number of transmitted random access preamble subframes, the number of radio frames, the number of repetitions, the repetition level, the length of time, the sequence, the frequency domain resource location, and the time resource location. For example, when the repetition level of the random access preamble is level 1, the TBS of the RAR is determined to be a; when it is the level 2, the TBS of the RAR is determined to be b.
  • the step S201 includes: receiving signaling including configuration information of the first attribute. Determining, according to the configuration information in the signaling, the first attribute; the signaling includes at least one of the following: MIB, SIB, paging information, random access response RAR, radio resource control RRC signaling Media access control MAC signaling and physical layer signaling.
  • the information includes at least one of the following: downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI
  • the base station determines the first attribute in the attribute of the information, Transmitting, by the base station, signaling, including the configuration information of the first attribute, to the UE (the signaling includes at least one of the following: MIB, SIB, paging information, random access response RAR, and radio resource control RRC letter)
  • the UE receives the signaling and obtains the configuration information included in the system information, and further determines the first according to the configuration information. Attributes.
  • the first attribute may be any one of a feature of the information and a parameter of the information.
  • the parameter of the information may include one or more of the following: 1) a number of subframes, such as one transport block of information or a total number of subframes occupied by information bit transmission, or a transport block such as information Or the information bits transmit the number of subframes occupied in one radio frame; one transport block or information bit transmission of the information may comprise multiple repeated transmissions of the same transport block or information bits, ie transmitting the same transmission in different subframes Block or information bit; optionally, the maximum value of the number of subframes occupied by a transport block or information bit transmission in a radio frame is determined according to the MBSFN subframe configuration and/or the uplink and downlink configuration; 2) the subframe sequence number 3) subframe type; 4) the number of OFDM symbols occupied in the subframe; 5) the length of time of the DwPTS in the special subframe occupied; 6) between the start subframe and the end subframe of the information transmission Length of time; 7) DRX cycle; 8) system bandwidth; 9) the number of
  • the multiple transmissions include initial transmission and retransmission.
  • Each transmission occupies the number of subframes bound by the TTI, that is, different subframes in the number of subframes bound by the TTI transmit the same transport block or information bits. It should be noted that, in all embodiments of the present invention, the same transmission block or information bits may be transmitted in different subframes by using the same redundancy version, or different redundancy versions may be used in different subframes.
  • S202 Determine the second attribute according to the first attribute and the first association relationship, where the first association relationship includes: an association relationship between a feature of the information and a parameter of the information.
  • the UE determines the second attribute according to the first attribute that has been determined and the first association relationship, where the first association relationship includes: a feature of the information and The association relationship between the parameters of the information; optionally, the first association relationship may be pre-configured, or may be acquired by the UE from the base station side in real time.
  • the first association relationship may be a one-to-one correspondence, or may be a correspondence between multiple and one, or may be a correspondence between multiple and multiple.
  • the first association relationship may be a table relationship, a proportional relationship, or other relationships, which are not limited in the embodiment of the present invention.
  • the information is the SIB of the MTC SIB1
  • the relationship between the characteristics of the information and the parameters of the information is as shown in Table 1.
  • the first association relationship between the TBS (ie, the feature of the information) and the parameter of the information used in the transmission of the MTC SIB1 is a one-to-one correspondence.
  • a, b, c, and d are fixed values.
  • the 2, 3 columns of the following table may also include only one or more of them.
  • Table 1 is the relationship between the characteristics of the information and the parameters of the information.
  • the second attribute is the sub-frame occupied by the MTC SIB1 transmission in one radio frame, and the occupied sub-frame is 2.
  • the frame number is 0 and 5.
  • the number of symbols in the DwPTS field in the special subframe occupied is 0.
  • the information is the SIB of the MTC SIB2
  • the relationship between the characteristics of the information and the parameters of the information is as shown in Table 2.
  • a, b, c, d, a1, b1, c1, d1, a2, b2, c2, and d2 are fixed values.
  • Table 2 is the relationship between the characteristics of the information and the parameters of the information.
  • the UE does not need to obtain all the attributes about the information from the base station side, that is, the UE does not need to receive a large amount of configuration information that the base station sends through signaling to determine the related configuration of the information. Rather, other attributes in the attributes of the information that are unknown to the UE may be determined according to the partial attributes that the UE has acquired, thereby saving valuable resources in signaling, that is, saving system overhead.
  • S203 Perform transmission of the information according to an attribute of the information.
  • the first attribute in the attribute of the information is determined; wherein the attribute of the information includes: a feature of the information and a parameter of the information; and determining, according to the first attribute and the first association relationship
  • the second attribute; the first association relationship includes: an association relationship between a feature of the information and a parameter of the information; further, transmitting the information according to an attribute of the information; Determining other attributes in the attributes of the information that are unknown to the UE according to the partial attributes that the UE has acquired, thereby saving valuable resources in signaling, that is, saving system overhead and improving utilization of system resources.
  • the UE performs blind detection on the MCS (or TBS, or number of information bits) used by the MTC SIB1 transmission. For example, the UE detects the MTC SIB1 using the assumed MCS of the MTC SIB1 transmission. The UE determines the MCS based on the assumptions. The first parameter can be determined according to the MCS and the association relationship. The MTC SIB1 can be detected according to the first parameter.
  • the UE performs blind detection on the first parameter. For example, the UE detects the MTC SIB1 with a hypothetical first parameter. The UE determines the first parameter based on the assumption. The MCS (or TBS, or number of information bits) used by the MTC SIB1 transmission may be determined according to the first parameter and the association relationship. The MTC SIB1 can be detected according to the MCS. It can be seen that the embodiments of the present invention can also save system resources required for blind detection.
  • FIG. 3 is a schematic flowchart of Embodiment 3 of an information transmission method according to the present invention.
  • the method in this embodiment may include:
  • the attribute of the information includes: a feature of the information and a parameter of the information.
  • the second association relationship is determined according to the first attribute.
  • the second association relationship includes: an association relationship between the second attribute and a basic attribute of the second attribute.
  • the UE determines a second association relationship according to the basic attribute of the second attribute and the first attribute, where the second association relationship includes: the second attribute and the An association relationship between basic attributes of the second attribute; further, determining the second attribute according to the basic attribute of the second attribute and the second associated relationship.
  • the value of the basic attribute of the second attribute is A
  • the second relationship determined according to the first value of the first attribute is the second attribute.
  • the second association determined according to the second value of the first attribute is the second attribute among them, Is the rounding up; p, q is a fixed value. If the base station or the UE determines that the value of the first attribute of the information is the first value, the base station or the UE determines the second attribute according to the basic attribute of the second attribute and the second association relationship.
  • the MTC SIB1 transmits the number of subframes occupied by one radio frame, the occupied subframe number, and the number of symbols of the DwPTS domain in the occupied special subframe.
  • the first attribute, the basic attribute of the second attribute is d, and the second association determined according to the value of the four rows in the first attribute of the first attribute is that the second attribute is among them, Is a rounding down; x, y, z are fixed values.
  • the UE determines that the first attribute of the MTC SIB1 is the MTC, the number of subframes occupied by the SIB1 transmission in one radio frame is 2, the occupied subframe number is 0 and 5, and the number of symbols in the DwPTS field is 0 in the occupied special subframe.
  • the basic attribute of the second attribute is d, and the UE determines, according to the first attribute, that the second association relationship is The second attribute determined according to the basic attribute of the second attribute and the second association relationship is a.
  • the first attribute in the attribute of the information is determined; wherein the attribute of the information includes: a feature of the information and a parameter of the information; a basic attribute of the second attribute; determining a second association relationship according to the first attribute; wherein the second association relationship includes: an association relationship between the second attribute and a basic attribute of the second attribute; The basic attribute of the second attribute and the second association relationship determine the second attribute; further, performing transmission of the information according to an attribute of the information; determining, according to a part of attributes acquired by the UE
  • the other attributes in the attributes of the information that are unknown to the UE are described, thereby saving valuable resources in the signaling, that is, saving system overhead and improving utilization of system resources.
  • FIG. 4 is a schematic flowchart diagram of Embodiment 4 of an information transmission method according to the present invention.
  • the method in this embodiment may include:
  • the attribute of the information includes: a feature of the information and a parameter of the information.
  • the feature information of the information includes any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits; the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe.
  • the sequence number, the subframe type, the number of symbols or the length of time occupied by the information in the subframe, the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the information Time length between the start subframe and the end subframe, the coverage enhancement level, the repetition level, the number of repetitions, the number of subframes to which the TTI is bound, the modification period, the system information SI window length, the system information SI period, The random access response RAR window length, the discontinuous reception DRX cycle, the paging cycle, and the system bandwidth;
  • the information includes at least one of the following: a system information block SIB, a primary information block MIB, a paging message, a RAR, and a downlink unicast data.
  • the base station determines any one of the feature of the information and the parameter of the information, and optionally, any one of the attributes of the information determined by the base station is referred to as a first attribute ( That is, if the base station determines the characteristics of the information, the first attribute is a feature of the information; if the base station determines a parameter of the information, the first attribute is a parameter of the information. ).
  • the base station may determine the first attribute according to a random access preamble, or the base station may determine the first attribute by using other manners, which is not limited in this embodiment of the present invention.
  • the characteristics of the information include any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits.
  • the parameter of the information includes at least one of the following: a number of subframes that need to be occupied by transmitting the information, a number of radio frames that need to be occupied by transmitting the information, a subframe number that is used to transmit the information, and the transmission The type of subframe occupied by the message, the letter in the subframe
  • the number of symbols occupied by the information (optionally, the symbol may be an OFDM symbol) or the length of time, the number of symbols or the length of time of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the symbol Length of time between the start and end subframes of the information, coverage enhancement level, repetition level, number of repetitions, number of subframes in which the transmission time interval is TTI bound, modification period, system information SI window length, system information SI period Random access response RAR window
  • the information includes at least one of the following: a system information block SIB, a primary information block MIB, a paging message, a RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI.
  • SIB system information block
  • MIB primary information block
  • RAR paging message
  • DCI downlink control information
  • UCI uplink control information
  • the coverage enhancement is divided into multiple coverage enhancement levels according to the channel quality between the base station and the UE, or the repeated transmission of information between the base station and the UE is divided into multiple repetition levels; wherein the repetition level or coverage
  • the enhancement level corresponds to the channel quality between the UE and the base station, for example, the worse the channel quality, the higher the coverage enhancement level, or the worse the channel quality, for example, the higher the repetition level;
  • the coverage enhancement level of the UE or the repetition level of the information transmission may be Determining at least one of the number of subframes occupied by the information transmission, the number of occupied radio frames, and the number of repetitions; for example, the higher the coverage enhancement level or the higher the repetition level, the more repetitions of information transmission.
  • the information is a low complexity UE (or low cost UE) and/or information that needs to be received or transmitted by the enhanced enhanced UE.
  • the determining The first attribute in the attribute of the information includes: at least one of the number of received random access preamble subframes, the number of radio frames, the number of repetitions, the repetition level, the length of time, the sequence, the frequency domain resource location, and the time resource location. Information that determines the first attribute.
  • the method further includes: sending, including a primary information block MIB of the configuration information of the first attribute, to enable the UE to determine the first attribute according to the configuration information in the MIB.
  • SIB system information block
  • UE user equipment
  • the configuration information of the first attribute is used to configure at least one of whether subframe 1 and subframe 6 are used for transmission of the SIB, whether subframe 1 is used for transmission of the SIB, and subframe 6 Whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, and whether the subframe type of the SIB transmission is only a downlink subframe or both a downlink subframe and a special subframe.
  • the number of symbols occupied by the SIB in a special subframe, and the SIB is transmitted in a special subframe.
  • the length of time occupied, and the length of time or number of symbols of the DwPTS of the special subframe used for the SIB transmission For details, refer to the corresponding part in the foregoing UE side implementation of the present invention, and details are not described herein again.
  • the SIB configured by the configuration information of the same first attribute information is different in the number of symbols occupied by the special subframe transmission; or the same first attribute information.
  • the time length of the DwPTS of the special subframe for the SIB transmission configured by the configuration information is different; or the symbol of the DwPTS of the special subframe for the SIB transmission configured by the configuration information of the same first attribute information
  • the number is different.
  • the method further includes: sending, including the first Any system information before the Nth SIB of the configuration information of the attribute information; wherein the system information includes at least one of the following: an MIB and any SIB before the Nth SIB.
  • SIB system information block
  • the system information includes at least one of the following: an MIB and any SIB before the Nth SIB.
  • the method further includes: sending system information including configuration information of the first attribute; wherein the system The information includes MIB and/or SIB.
  • system information including configuration information of the first attribute; wherein the system The information includes MIB and/or SIB.
  • the method further includes: sending And signaling for the configuration information of the first attribute information, where the signaling includes at least one of the following: MIB, SIB, paging information, random access response RAR, radio resource control RRC signaling, media access Control MAC signaling and physical layer signaling.
  • the signaling includes at least one of the following: MIB, SIB, paging information, random access response RAR, radio resource control RRC signaling, media access Control MAC signaling and physical layer signaling.
  • S402. Determine, according to the first attribute, a second attribute other than the first attribute in the attribute of the information.
  • the base station determines, according to the first attribute that has been determined, the feature of the information and another parameter of the information that is unknown to the base station, and refers to the other as the second. Attribute (that is, if the first attribute determined by the base station through step S101 is the special information And the second attribute determined by the base station in step S102 is a parameter of the information; if the first attribute determined by the base station in step S101 is a parameter of the information, the base station determines by using the step S102 The second attribute is a feature of the information).
  • the base station determines the second attribute according to the first attribute and the first association relationship, where the first association relationship includes: an association between a feature of the information and a parameter of the information Relationship; optionally, the first association relationship is pre-configured information in the base station.
  • the base station may further determine a basic attribute of the second attribute, and determine a second association relationship according to the first attribute, where the second association relationship includes: the second attribute and the Determining an association relationship between basic attributes of the second attribute; further determining the second attribute according to the basic attribute of the second attribute and the second associated relationship.
  • the base station may further determine the second attribute according to the first attribute, which is also limited by the present invention.
  • the base station only needs to send signaling that includes configuration information of a partial attribute, so that the UE can acquire the partial attributes and determine other attributes in the attributes of the information, thereby saving signaling.
  • the valuable resources in the savings that is, the system overhead.
  • step S402 includes: determining the second attribute according to the first attribute and the first association relationship; wherein the first association relationship includes: between a feature of the information and a parameter of the information connection relation.
  • the base station determines the second attribute according to the first attribute that has been determined and the first association relationship, where the first association relationship includes: a feature of the information and the information An association relationship between the parameters; optionally, the first association relationship may be pre-configured. It can be seen that, in the embodiment of the present invention, the base station only needs to send signaling that includes configuration information of a partial attribute, so that the UE can acquire the partial attributes and determine other attributes in the attributes of the information, thereby saving signaling. The valuable resources in the savings, that is, the system overhead.
  • step S402 includes: determining a basic attribute of the second attribute; determining a second association relationship according to the first attribute; wherein the second association relationship includes: the second attribute and the second An association relationship between basic attributes of the attribute; determining the second attribute according to the basic attribute of the second attribute and the second associated relationship.
  • the base station determines a basic attribute of the second attribute and determines a second association relationship according to the first attribute, where the second association relationship includes: the second attribute and the An association relationship between basic attributes of the second attribute; further, determining the second attribute according to the basic attribute of the second attribute and the second associated relationship.
  • the value of the basic attribute of the second attribute is A
  • the second relationship determined according to the first value of the first attribute is the second attribute.
  • the second association determined according to the second value of the first attribute is the second attribute among them, Is the rounding up; p, q is a fixed value. If the base station or the UE determines that the value of the first attribute of the information is the first value, the base station or the UE determines the second attribute according to the basic attribute of the second attribute and the second association relationship.
  • the MTC SIB1 transmits the number of subframes occupied by one radio frame, the occupied subframe number, and the number of symbols of the DwPTS domain in the occupied special subframe.
  • the first attribute, the basic attribute of the second attribute is d, and the second association determined according to the value of the four rows in the first attribute of the first attribute is that the second attribute is among them, Is a rounding down; x, y, z are fixed values.
  • the UE determines that the first attribute of the MTC SIB1 is the MTC, the number of subframes occupied by the SIB1 transmission in one radio frame is 2, the occupied subframe number is 0 and 5, and the number of symbols in the DwPTS field is 0 in the occupied special subframe.
  • the basic attribute of the second attribute is d, and the UE determines, according to the first attribute, that the second association relationship is
  • the second attribute determined according to the basic attribute of the second attribute and the second association relationship is a.
  • the base station after the base station and the UE acquire the feature of the information and the parameter of the information, the base station performs the information transmission with the UE according to the feature and the parameter of the information. .
  • the first attribute in the attribute of the information is determined; wherein the attribute of the information includes: a feature of the information and a parameter of the information; and determining an attribute of the information according to the first attribute a second attribute other than the first attribute; further, transmitting the information according to an attribute of the information; wherein the characteristics of the information include any one of the following: a modulation coding mode MCS, a transport block size The number of TBSs and the number of information bits; the parameters of the information include at least one of the following: the number of subframes, the number of radio frames, the sequence number of the subframe, the type of the subframe, and the information occupied in the subframe.
  • the number of symbols or the length of time, the number of symbols or the length of time of the downlink pilot time slot DwPTS in the special subframe of the information, and the length of time between the start subframe and the end subframe in which the information is transmitted Coverage enhancement level, repetition level, repetition number, transmission time interval TTI bound subframe number, modification period, system information SI window length, system information SI period, random access response RAR window length, discontinuous reception DRX period,
  • the base station only needs to send signaling that includes configuration information of a partial attribute, so that the UE can acquire the partial attributes and determine other attributes in the attributes of the information, thereby saving signaling.
  • the valuable resources in the savings that is, the system overhead.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a user equipment UE according to the present invention.
  • the UE 50 provided in this embodiment may include: a first determining module 501, a second determining module 502, and a transmitting module 503.
  • the first determining module is configured to determine a first attribute in the attribute of the information, where the attribute of the information includes: a feature of the information and a parameter of the information;
  • a second determining module configured to determine, according to the first attribute, a second attribute other than the first attribute of the attribute of the information
  • a transmission module configured to perform, according to an attribute of the information, the transmission of the information
  • the characteristics of the information include any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits; the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe number.
  • the subframe type the number of symbols or the length of time occupied by the information in the subframe, the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the information Time length between the start subframe and the end subframe, the coverage enhancement level, the repetition level, the number of repetitions, the number of subframes to which the TTI is bound, the modification period, the system information SI window length, the system information SI period, and the random number
  • the information includes at least one of the following: RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI, and the first attribute is the information
  • the first determining module is specifically configured to:
  • the first attribute is determined according to at least one of a number of transmitted random access preamble subframes, a number of radio frames, a repetition number, a repetition level, a time length, a sequence, a frequency domain resource location, and a time resource location.
  • the first determining module is specifically configured to: receive the configuration that includes the first attribute.
  • the primary information block MIB of the information and determining the first attribute according to the configuration information in the MIB.
  • the configuration information of the first attribute is used to configure at least one of whether subframe 1 and subframe 6 are used for transmission of the SIB, whether subframe 1 is used for transmission of the SIB, and subframe 6 Whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, and whether the subframe type of the SIB transmission is only a downlink subframe or both a downlink subframe and a special subframe.
  • the second determining module is specifically configured to:
  • the first association relationship comprises: an association relationship between a feature of the information and a parameter of the information.
  • the second determining module is specifically configured to:
  • the UE in this embodiment may be used to perform the technical solution in the foregoing embodiment of the foregoing transmission method, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of a user equipment UE according to the present invention.
  • the UE 60 provided in this embodiment may include a processor 601 and a memory 602.
  • the UE 60 may also include a data interface unit 603 that may be coupled to the processor 601.
  • the data interface unit 603 is configured to receive/transmit data
  • the memory 602 is configured to store execution instructions.
  • the processor 601 communicates with the memory 602, and the processor 601 calls the execution instructions in the memory 602 to perform the operations in the above-described embodiment of the transmission method of the present invention.
  • the UE in this embodiment may be used to perform the technical solution in the foregoing embodiment of the foregoing transmission method, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • the base station 70 provided in this embodiment may include: a first determining module 701, a second determining module 702, and a transmitting module 703.
  • the first determining module is configured to determine a first attribute in the attribute of the information, where the attribute of the information includes: a feature of the information and a parameter of the information;
  • a second determining module configured to determine, according to the first attribute, a second attribute other than the first attribute of the attribute of the information
  • a transmission module configured to perform, according to an attribute of the information, the transmission of the information
  • the feature information of the information includes any one of the following: a modulation and coding mode MCS, a transport block size TBS, and a number of information bits; the parameter of the information includes at least one of the following: a number of subframes, a number of radio frames, and a subframe.
  • the sequence number, the subframe type, the number of symbols or the length of time occupied by the information in the subframe, the number of symbols or the length of the downlink pilot time slot DwPTS in the special subframe of the information, and the transmission of the information Time length between the start subframe and the end subframe, the coverage enhancement level, the repetition level, the number of repetitions, the number of subframes to which the TTI is bound, the modification period, the system information SI window length, the system information SI period, The random access response RAR window length, the discontinuous reception DRX cycle, the paging cycle, and the system bandwidth;
  • the information includes at least one of the following: a system information block SIB, a primary information block MIB, a paging message, a RAR, and a downlink unicast data.
  • the information includes at least one of the following: RAR, downlink unicast data, downlink control information DCI, uplink data, and uplink control information UCI, and the first attribute is a feature of the information, where A determination module is specifically used to:
  • the first attribute is determined according to at least one of a received random access preamble number of subframes, a number of radio frames, a repetition number, a repetition level, a time length, a sequence, a frequency domain resource location, and a time resource location.
  • the transmission module is further configured to: send configuration information that includes the first attribute.
  • a primary information block MIB such that the UE is determined according to the configuration information in the MIB The first attribute.
  • the configuration information of the first attribute is used to configure at least one of whether subframe 1 and subframe 6 are used for transmission of the SIB, whether subframe 1 is used for transmission of the SIB, and subframe 6 Whether the subframe 6 occupied by the SIB transmission is a special subframe or a downlink subframe, and whether the subframe type of the SIB transmission is only a downlink subframe or both a downlink subframe and a special subframe.
  • the second determining module is specifically configured to:
  • the first association relationship comprises: an association relationship between a feature of the information and a parameter of the information.
  • the second determining module is specifically configured to:
  • the base station in this embodiment may be used to perform the technical solution in the foregoing embodiment of the foregoing transmission method, and the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a base station according to the present invention.
  • the base station 80 provided in this embodiment may include a processor 801 and a memory 802.
  • the base station 80 can also include a data interface unit 803 that can be coupled to the processor 801.
  • the data interface unit 803 is configured to receive/transmit data
  • the memory 802 is configured to store execution instructions.
  • the processor 801 communicates with the memory 802, and the processor 801 calls the execution instructions in the memory 802 to perform the operations in the above-described embodiment of the transmission method of the present invention.
  • the base station in this embodiment may be used to perform the technical solution in the foregoing embodiment of the foregoing transmission method, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the various method embodiments described above;
  • the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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

Abstract

L'invention concerne un procédé et un dispositif de transmission d'informations. Le procédé consiste : à déterminer un premier attribut dans les attributs d'informations, les attributs des informations comprenant : la caractéristique des informations et le paramètre des informations, selon le premier attribut, à déterminer un second attribut dans les attributs des informations à l'exception du premier attribut ; en outre, à transmettre les informations selon les attributs des informations, la caractéristique des informations comprenant l'un quelconque des éléments suivants : la technique de modulation et de codage (MCS), la taille de bloc de transmission (TBS) et le nombre de bits d'informations ; et les informations comprenant au moins l'un des éléments suivants : un bloc d'informations de système (SIB), un bloc d'informations maître (MIB), un message de radiomessagerie, un RAR, des données de monodiffusion de liaison descendante, des informations de commande de liaison descendante (DCI), des données de liaison montante et des informations de commande de liaison montante (UCI), permettant ainsi d'économiser les dépenses de système et d'améliorer le taux d'utilisation de ressources de système.
PCT/CN2015/076378 2015-04-10 2015-04-10 Procédé et dispositif de transmission d'informations Ceased WO2016161660A1 (fr)

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CN111030757B (zh) * 2019-12-09 2021-11-05 明格(上海)信息技术有限公司 超声接收数据的处理方法、系统和计算机可读介质

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