Sharp Kabushiki Kaisha Corporation

Fg Innovation Company Limited

Liqing Liu

Tomoki Yoshimura

Shoichi Suzuki

Wataru Ouchi

Taewoo Lee

Shohei Yamada

Hiroki Takahashi

Tatsushi Aiba

Kimihiko Imamura

Takashi Hayashi

Wataru Ohuchi

Masayuki Hoshino

Hidekazu Tsuboi

Shouichi Suzuki

Meng Cheng

Daiichiro Nakashima

Huifa Lin

Hui-Fa Lin

Daiichiroh Nakashima

A method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including physical random access channel (PRACH) configuration information, wherein the PRACH configuration information includes a list of preamble index ranges, where each preamble index range is associated with a synchronization signal block (SSB), wherein each preamble index range comprises one or a plurality of sub-ranges; and selecting, based on one or a plurality of reference signal received power (RSRP) values of a set of SSBs and a first RSRP threshold configured by a radio resource control (RRC) layer, an SSB from the set of SSBs; and selecting, based on the RSRP value associated with the selected SSB and one or more second RSRP thresholds configured by the RRC layer, a subrange from the one or a plurality of sub-ranges associated with the selected SSB; and selecting a preamble index from the selected sub-range. The first RSRP threshold and the second RSRP threshold(s) are configured by two separate RRC parameters, or configured by one RRC parameter.

User equipments, base stations, and methods

A method by a user equipment (UE) is described. The method includes receiving, from a base station, MIB providing a first quantity of contiguous resource blocks (RBs) and a first frequency position of a first starting RB for a first CORESET; receiving system information including a second configuration of an initial downlink (DL) BWP, the second configuration providing a second quantity of contiguous RBs, a second frequency position of a second starting RB, and a bitmap indicating frequency domain resources for a second CORESET, each bit of the bitmap corresponds a group of 6 contiguous RBs, with grouping starting from a first RB group in ascending order of RB index; and determining whether the second quantity exceeds a predefined size, wherein in a case the second quantity exceeds the predefined size, determining the first frequency position and the first quantity as a starting position and a bandwidth for an initial DL BWP, and determining a first RB index of the first RB group by using the second frequency position, in a case the second quantity does not exceed the predefined size, determining the second frequency position and the second quantity as the starting position and the bandwidth, and determining the first RB index of the first RB group by using the second frequency position.

User equipment, base station, and communication method

A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter related to a first search space set, receiving a second RRC parameter related to a control resource set (CORESET) wherein the CORESET is associated with the first search space set, monitoring a set of PDCCH candidates for the first search space set, wherein each PDCCH candidate is repeated in a first total number of one or more PDCCH monitoring occasions starting from a first slot, the first slot is determined based on the first RRC parameter.

Terminal apparatus, base station apparatus, and communication method

A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter including a first list of one or more CSI trigger states, a second RRC parameter indicating a first total number of bits N_TSfor a first CSI request field of a first DCI format, a third RRC parameter including a second list of one or more CSI trigger states, and a fourth RRC parameter indicating a second total number of bits N_TSfor a second CSI request field of a second DCI format, determining a CSI trigger state in response to a CSI request field of a DCI format, wherein in a first case that a total number of the one or more CSI trigger states within the first list is greater than 21, the processing circuitry is further configured to select one or more of the CSI trigger states out of the first list which are mapped to one or more codepoints of the first CSI request field of the first DCI format, in a second case that a total number of the one or more CSI trigger states within the second list is greater than 2−1, the processing circuitry is further configured to select one or more of the CSI trigger states out of the second list which are mapped to one or more codepoints of the second CSI request field of the second DCI format.

A method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including physical random access channel (PRACH) configuration information, wherein the PRACH configuration information includes a list of preamble index ranges and one or more first reference signal received power (RSRP) thresholds, wherein each preamble index range is associated with a synchronization signal block (SSB); selecting, based on a quantity of antenna branch equipped for the UE, one first RSRP threshold from the one or more first RSRP thresholds; selecting, based on one or more synchronization signal (SS)-RSRP values of a set of SSBs and the selected first RSRP threshold, an SSB from the set of SSBs; selecting a preamble index from the first preamble index range associated with the selected SSB; selecting, for the UE, a non-coverage enhancement (CE) mode or a CE mode, at least based on the selected first RSRP threshold.

User equipment apparatus, base station apparatus, and communication method

A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter related to a first search space set, to receive a second RRC parameter related to a CORESET wherein the CORESET is associated with the first search space set, monitoring a set of PDCCH candidates for the first search space set in the CORESET, wherein the CORESET comprises one or more sets of consecutive OFDM symbols within a first time duration, the number of consecutive OFDM symbols for each set is determined based on the second RRC parameter, the first time duration is determined based on a RRC parameter included in the first parameter. The first RRC parameter include a third RRC parameter indicating a first symbol for each of the one or more than one sets of consecutive OFDM symbols within a slot, the first duration is determined as one slot, the CORESET comprises one or more sets of consecutive OFDM symbols within a slot.

A method by a user equipment (UE) is described. The method includes receiving, from a base station, system information including a first configuration of a first initial uplink (UL) BWP and a second configuration of a second initial UL BWP wherein the second configuration includes a first RRC parameter, the first RRC parameter configures a cell-specific physical uplink control channel (PUCCH) resource set on the second initial UL BWP, and the cell-specific PUCCH resource set includes one or more PUCCH resources, receiving a PDCCH with a DCI format scheduling a PDSCH, and transmitting, on a PUCCH resource of the one or more PUCCH resources, a PUCCH with HARQ-ACK information in response to the PDSCH in the second initial UL BWP, wherein whether the UE uses a first formula or a second formula to calculate a PRB index of the PUCCH resource is determined based on one, more or all of a first frequency domain location of the first initial UL BWP, a first bandwidth of the first initial UL BWP, a second frequency domain location of the second initial UL BWP, and a second bandwidth of the second initial UL BWP, wherein the first formula uses a size of the second initial UL BWP as one of terms of the first formula, and the second formula does not use the size of the second initial UL BWP as one of terms of the second formula.

A terminal apparatus detects a first DCI format including first allocation information for identifying a time resource and the number of repetition transmissions that are used to transmit a PUSCH corresponding to a first TB, detects a second DCI format including second allocation information indicating reception of a downlink signal, identifies the time resource for transmitting the PUSCH, based on the first allocation information, and cancels transmission of a first PUSCH corresponding to any one of the repetition transmissions of the PUSCH in a case that the first allocation information indicates that the first PUSCH is to be transmitted in a first symbol set and that the second allocation information indicates that the downlink signal is to be received in a second symbol set and that at least one symbol in the first symbol set is a symbol included in the second symbol set.

A method by a user equipment (UE) is described. The method includes receiving, from a base station, a MIB including first information related to a CORESET for a first search space set for the detected SS/PBCH block, monitoring a set of PDCCH candidates for the first search space set in the CORESET, wherein the CORESET comprises a first set of consecutive OFDM symbols and a second set of consecutive OFDM symbols, the CORESET is transmitted by a first time periodicity, the second set of consecutive OFDM symbols is transmitted after a first time offset from the first OFDM symbol for the first set of consecutive OFDM symbols. Further receiving second information indicating the first time offset.

A terminal apparatus and a base station apparatus efficiently communicate with each other. A terminal apparatus receives a first DCI and determines transmission of a first PUSCH. The first PUSCH is scheduled by the first DCI, a value of a first PUSCH procedure preparation time for the first PUSCH is a first value in a case that a first condition is not satisfied, and the value of the first PUSCH procedure preparation time is a value acquired by adding a second value to the first value in a case that the first condition is satisfied. The terminal apparatus determines the transmission of the first PUSCH in a case that a number of symbols between the first DCI and the first PUSCH is equal to or greater than a number of symbols corresponding to the value of the first PUSCH procedure preparation time.

Base station apparatus, terminal apparatus, and communication method

A terminal apparatus is provided. The terminal apparatus includes: a reception unit configured to receive (i) a radio resource control (RRC) message including first configuration information and (ii) downlink control information including a first field via a physical downlink control channel (PDCCH); and a transmission unit configured to perform one or more repetitive transmissions of a physical uplink shared channel (PUSCH) based on the first configuration information and the first field. The first configuration information is for configuring at least one of a starting symbol of a time resource corresponding to an index indicated by the first field, a number of symbols allocated to one PUSCH corresponding to the index, and a nominal number of repetitive transmissions corresponding to the index.

Base station apparatus, terminal apparatus and communication method for repetitive transmission of PUSCH

A terminal apparatus includes a reception circuitry configured to receive a DCI format, and a transmission circuitry configured to repeatedly transmit, on a PUSCH, a transport block scheduled by the DCI format, wherein a first number of repetition transmissions, a second number for a symbol number of a start symbol, and a third number of consecutive symbols are given based on the DCI format, and the number of slots used for repetition transmission of the transport block is determined based on the first number, the second number, the third number, and the number of symbols per slot.

A method by a user equipment (UE) is described. The method includes transmitting, to a base station, a capability to indicate multiple combinations (X, Y) for PDCCH monitoring, each combination (X, Y) is associated with a respective maximum number of monitored PDCCH candidates, determining spans in which PDCCH is monitored, and each span is a number of consecutive OFDM symbols up to Y, determining, from the multiple combinations (X, Y), one or more combinations (X, Y) in which the value of X is equal to or less than the minimum value of the gap separation of every two consecutive spans, determining, from the one or more combinations (X, Y), a combination (X, Y) with a larger maximum number of monitored PDCCH candidates for PDCCH monitoring.

User equipment, base station, and method

A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter with a first information element structure to define how and where to search for PDCCH candidates of a search space set, receiving a second RRC parameter with a second information element structure to define how and where to search for PDCCH candidates of a search space set, and a search space set corresponds to two types of search space set, wherein the first information element structure is capable of indicating of which one of the two types the search space set is, the second information element structure is only capable of indicating one fixed type.

A terminal apparatus includes a receiver configured to receive a first radio resource control (RRC) parameter for configuring one of a first repetition transmission type and a second repetition transmission type, and a transmitter configured to transmit, on a PUSCH, a transport block scheduled by a DCI format. The transmitter performs, by applying the repetition transmission type configured for the first RRC parameter, a repetition transmission of the transport block.

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Sakai, Japan

Liqing Liu