Abstract: Disclosed are a method, device and system for determining a coding modulation parameter. The method includes: a terminal receives downlink control information from a base station, and determines a coding modulation parameter according to a domain, within the downlink control information, used for determining the coding modulation parameter. In the present invention, a coding modulation parameter is determined according to a domain, within downlink control information, used for determining the coding modulation parameter, thereby implementing coding modulation parameter determination for an NB-IOT system.

Abstract: A method, a device and a system of determining a transmission parameter of a data shared channel are provided. The method includes: receiving downlink control information including a field configured to determine a transmission parameter of a data shared channel; and determining the transmission parameter according to the field.

Abstract: Provided are a method, a device, and a system for determining transmission information. The method includes determining, by a first node, transmission information according to a predetermined information combination in downlink control information, DCI, transmitted by a second node. The transmission information includes a modulation coding scheme, joint information of a modulation coding scheme and a sub-carrier position, or sub-carrier position information. The predetermined information combination includes one of the following: a combination of a modulation-coding-scheme indicator domain IMCS and a number of allocated sub-carriers, and a combination of a resource-unit, RU, number indicator domain and a number of allocated sub-carriers.

Abstract: A method and device for acquiring Channel State Information (CSI) are provided. In the method, a second node receives a first-type signal and/or a second-type signal sent by a first node; the second node acquires CSI based on measurement of the first-type signal and the second-type signal, or based on measurement of the second-type signal only; the first-type signal may include a measurement Reference Signal (RS), and the second-type signal may include one of: a demodulation RS, a data sharing channel signal, and a signal combination of the data sharing channel signal and the demodulation RS; the second node feeds back the CSI to the first node.

Abstract: Provided are a method, a device, and a system for determining transmission information. The method includes determining, by a first node, transmission information according to a predetermined information combination in downlink control information, DCI, transmitted by a second node. The transmission information includes a modulation coding scheme, joint information of a modulation coding scheme and a sub-carrier position, or sub-carrier position information. The predetermined information combination includes one of the following: a combination of a modulation-coding-scheme indicator domain IMCS and a number of allocated sub-carriers, and a combination of a resource-unit, RU, number indicator domain and a number of allocated sub-carriers.

Abstract: A transmission parameter determination method and apparatus are provided. In the method, a second node determines a transmission parameter grade X1 based on a predetermined set and at least one of predetermined information and indication signaling.

Abstract: A data transmission method includes: selecting a t least a portion of bits from a data buffer of a transport block to form a kth subsequence of the transport block, and forming N subsequences in total; wherein, 1?k?N; and repeating the N subsequences of the transport block for T times, performing digital baseband modulation on the N subsequences, and then transmitting the N subsequences; wherein, T is a positive integer, a total number of repetitions of the N subsequences N*T is no less than a preset number of repetitions R, and R is a positive integer.

Abstract: A transmitting method for HARQ information comprising: a first node detecting N transmission blocks received from a second node and generating M bits of HARQ information according to the detection result; the M bits of HARQ information being used to indicate the receiving status of the N transmission blocks; there being M2 bits among the M bits, for indicating the positions of k erroneous transmission blocks in the N transmission blocks, M2?M; the length type of M2 including a first length type or a second length type; the first length type indicating that the value for M2 is predefined, and the second length type indicating that the value for M2 is determined based on k; and the first node transmitting the HARQ information to the second node. The above technical solution does not require strong correlation for the channel, and can conserve transmission resources and improve system throughput while reducing the HARQ information feedback overhead.

Abstract: Provided are a data processing method, device and node. The method includes: a second node determines that a first data sent from a first node exhibits data erasure; the second node sends feedback information to the first node, where the feedback information includes one of the following: an erasure rate, an erasure rate and an erasure position, the erasure rate is a proportion of resources that exhibit data erasure in resources corresponding to the first data, and the erasure position is a position of the resources that exhibit data erasure in the resources corresponding to the first data; the second node receiving a second data as determined according to the feedback information by the first node; the second node performs decoding according to the first item of data and the second data.

Abstract: A modulation processing method, a UE and a base station are disclosed; herein, the base station transmits a high-layer configuration signaling to the UE, herein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, the high-order QAM modulation scheme is a modulation scheme of M QAM, and M is a number greater than 64.

Abstract: A method, a device and a system of determining a transmission parameter of a data shared channel are provided. The method includes: receiving downlink control information including a field configured to determine a transmission parameter of a data shared channel; and determining the transmission parameter according to the field.

Abstract: Disclosed are a method, device and system for determining a coding modulation parameter. The method comprises: a terminal receives downlink control information from a base station, and determines a coding modulation parameter according to a domain, within the downlink control information, used for determining the coding modulation parameter. In the present invention, a coding modulation parameter is determined according to a domain, within downlink control information, used for determining the coding modulation parameter, thereby implementing coding modulation parameter determination for an NB-IOT system.

Abstract: A data transmission method includes: selecting a t least a portion of bits from a data buffer of a transport block to form a kth subsequence of the transport block, and forming N subsequences in total; wherein, 1?k?N; and repeating the N subsequences of the transport block for T times, performing digital baseband modulation on the N subsequences, and then transmitting the N subsequences; wherein, T is a positive integer, a total number of repetitions of the N subsequences N*T is no less than a preset number of repetitions R, and R is a positive integer.

Abstract: Provided are a data processing method based on a radio access technology, and a transmission node. The method includes: selecting, by a first transmission node, a radio access technology (RAT) according to a specific rule, where the specific rule includes selecting the RAT according to at least one of the following: a coverage level, a frequency domain bandwidth, a resource unit type, a transmission mode, a pre-configuration of a first node, and a second transmission node capability; the RAT includes at least one of the following: a multiple access mode, a modulation mode, a sub-carrier spacing, and a maximum number of carriers used for carrying data; and the second transmission node capability is defined according to an RAT supported by a second transmission node; and receiving or sending, by the first transmission node, data on a radio resource unit corresponding to the selected RAT according to the selected RAT.

Abstract: The present document provides a modulation processing method and apparatus for high-order coding, a base station and a terminal, herein the method includes: a base station selecting a Modulation and Coding Scheme (MCS) table according to a transmission type and predefined information, herein the MCS table includes a MCS table supporting a M-order modulation and a MCS table not supporting a M-order modulation, herein M>64; and the base station transmitting downlink control signaling to a terminal, the downlink control signaling including a modulation and coding scheme field IMCS, herein the IMCS is based on the MCS table supporting or not supporting a M-order modulation selected by the base station.

Abstract: A transmitting method for HARQ information comprising: a first node detecting N transmission blocks received from a second node and generating M bits of HARQ information according to the detection result; the M bits of HARQ information being used to indicate the receiving status of the N transmission blocks; there being M2 bits among the M bits, for indicating the positions of k erroneous transmission blocks in the N transmission blocks, M2 the length type of M2 including a first length type or a second length type; the first length type indicating that the value for M2 is predefined, and the second length type indicating that the value for M2 is determined based on k; and the first node transmitting the HARQ information to the second node. The above technical solution does not require strong correlation for the channel, and can conserve transmission resources and improve system throughput while reducing the HARQ information feedback overhead.

Abstract: The present document provides a method for determining transport block size (TBS), a base station and a terminal, including: a terminal receives downlink control signaling transmitted by a base station, obtains a combination of I?TBS and N?PRB, {ITBS, N?PRB}, and selects a mapping way to determine transport block size according to {I?TBS, N?PRB}, wherein, the mapping way includes at least one of following rules: a first rule, using high-layer TBS to obtain low-layer TBS according to I?TBS, N?PRB}; a second rule, obtaining TBS according to the {I?TBS, N?PRB} and a mapping relationship table pre-created; a third rule, determining a mapping factor according to the {I?TBS, N?PRB}, obtaining {ITBS, NPRB} according to the {I?TBS, N?PRB} and mapping factor, then determining TBS according to the {ITBS, NPRB} and a related {ITBS, NPRB} and TBS mapping relationship table, wherein the mapping factor is a real number greater than 0.

Abstract: A transmission parameter determination method and apparatus are provided. In the method, a second node determines a transmission parameter grade X1 based on a predetermined set and at least one of predetermined information and indication signaling.

Abstract: A method and device for acquiring Channel State Information (CSI) are provided. In the method, a second node receives a first-type signal and/or a second-type signal sent by a first node; the second node acquires CSI based on measurement of the first-type signal and the second-type signal, or based on measurement of the second-type signal only; the first-type signal may include a measurement Reference Signal (RS), and the second-type signal may include one of: a demodulation RS, a data sharing channel signal, and a signal combination of the data sharing channel signal and the demodulation RS; the second node feeds back the CSI to the first node.

Abstract: A modulation processing method, a UE and a base station are disclosed; herein, the base station transmits a high-layer configuration signaling to the UE, herein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, the high-order QAM modulation scheme is a modulation scheme of M QAM, and M is a number greater than 64.