Abstract: A method for performing constellation superposition by an evolved Node B (eNB) includes determining an admissible data constellation for a second user equipment (UE) based on a data constellation of a first UE. The first UE and the second UE share the same time-frequency resources. The method also includes sending an indication that superposition coded modulation is being employed by the first UE and the second UE. The method further includes sending modulation and coding schemes (MCSs) and/or transmission power percentages used by each of the first UE and the second UE to the other UE.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry configured to receive system information comprising first information of first time domain resource assignment for a physical downlink shared channel (PDSCH). The receiving circuitry is also configured to receive a UE-specific radio resource control (RRC) signal comprising second information of second time domain resource assignment for a PDSCH. The receiving circuitry is also configured to perform, based on a detection of a physical downlink control channel (PDCCH), the PDSCH reception according to either the first information of the first time domain resource assignment or the second information of the second time domain resource assignment.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry configured to monitor a first physical downlink control channel (PDCCH) conveying a first pre-emption indication downlink control information (DCI) that indicates pre-emption of a first physical downlink shared channel (PDSCH) transmission by a second PDSCH transmission and/or monitor a second PDCCH conveying a second pre-emption indication downlink control information (DCI) that indicates pre-emption of a first physical uplink shared channel (PUSCH) transmission by a second PUSCH transmission. The receiving circuitry is also configured to receive the first PDSCH transmission or assume that no transmission to the UE is present based on the first pre-emption indication DCI. The UE also includes transmitting circuitry configured to transmit or skip the first PUSCH transmission based on the second pre-emption indication DCI.

Abstract: A user equipment (UE) for reporting information is described. The UE includes a processor and instructions stored in memory that is in electronic communication with the processor. The UE selects a reference cell having a reference uplink-downlink (UL-DL) configuration. The UE also selects a first uplink subframe from the reference cell. The UE further selects a first subframe set from a first cell having a first UL-DL configuration. The first UL-DL configuration is different than the reference UL-DL configuration. The UE additionally determines a first set of associations between the first subframe set and the first uplink subframe. The UE further aggregates information corresponding to the reference cell and information corresponding to the first cell based on the first set of associations to produce aggregated information. The UE also reports the aggregated information on an uplink reporting cell.

Abstract: A wireless communication device may autonomously transition from a multiple antenna port mode to a single antenna port mode. The wireless communication device may implicitly notify a base station about the autonomous transition from the multiple antenna port mode to the single antenna port mode. The base station may reallocate resources that were previously allocated to the wireless communication device but that are no longer being used by the wireless communication device. In some cases, the base station may configure the wireless communication device's antenna port mode via radio resource control signaling.

Abstract: A user equipment (UE) is described. The UE receives, from a base station apparatus, a radio resource control message including first information used for configuring a number of repetitions for transmission of a transport block. The UE also receives, from the base station apparatus, a radio resource control message including second information used for configuring a pattern of redundancy version for the repetitions for the transmission of the transport block. The pattern of the redundancy version is any one of a first pattern and a second pattern. The UE also performs, based on the first information and the second information, to the base station apparatus, the repetition for the transmission of the transport block. The same redundancy version used for the repetitions for the transmission for the transport block is a redundancy version “zero.

Abstract: A user equipment (UE) is described that communicates with a base station. The UE includes receiving circuitry configured to receive a Radio Resource Control (RRC) message including first information indicating that limited buffer rate matching is enabled. The receiving circuitry is also configured to receive the RRC message including second information containing a number of repetitions and a redundancy version (RV) pattern. The UE includes processing circuitry configured to apply, according to the first information, limited buffer rate matching for a circular buffer to store coded bits of a transport block (TB). The processing circuitry is also configured to produce RV(s) of repetition(s) of the TB from the circular buffer according to the second information. The UE includes transmitting circuitry configured to transmit the repetitions of the TB.

Abstract: A user equipment (UE) is described. The UE includes receiving circuity configured to receive a radio resource control (RRC) message comprising a first parameter used for configuring a periodicity. The receiving circuitry is also configured to receive a RRC message comprising a second parameter used for configuring a number of repetitions. The UE also includes transmitting circuitry configured to perform, based on the first parameter and the second parameter, repetitions of transmissions of a transport block. The UE is not expected to be configured with the number of repetitions larger than the number of slots within the period.

Abstract: A User Equipment (UE) for performing carrier aggregation is described. The UE includes a processor and instructions stored in memory that is in electronic communication with the processor. The UE determines an uplink control information (UCI) transmission cell in a wireless communication network with at least one frequency-division duplexing (FDD) cell and at least one time-division duplexing (TDD) cell. The UE also selects a first cell for FDD and TDD carrier aggregation. The UE further determines a set of downlink subframe associations for the first cell that indicate at least one UCI transmission uplink subframe of the UCI transmission cell. The UE additionally sends Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement/Negative Acknowledgement (HARQ-ACK) information in the UCI transmission uplink subframe of the UCI transmission cell.

Abstract: A User Equipment (UE) for performing carrier aggregation is described. The UE includes a processor and instructions stored in memory that is in electronic communication with the processor. The UE determines a duplex method of each serving cell for frequency-division duplexing (FDD) and time-division duplexing (TDD) carrier aggregation. At least one serving cell is a TDD cell and at least one serving cell is a FDD cell. The UE also determines physical downlink shared channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement/Negative Acknowledgement (HARQ-ACK) transmission timing for a serving cell. When a primary cell is a TDD cell, the PDSCH HARQ-ACK transmission timing for the serving cell is determined based on a downlink (DL) association set for the serving cell. The UE further sends PDSCH HARQ-ACK information based on the PDSCH HARQ-ACK transmission timing.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry configured to receive a radio resource control (RRC) message comprising a first parameter(s) used for configuring a first allocation table and a second allocation table. Each of the first allocation table and the second allocation table are used for defining a time domain allocation for a physical uplink shared channel (PUSCH) transmission. The receiving circuitry is also configured to detect in a UE specific search space, a downlink control information (DCI) format comprising first information used for indicating a row index to the first allocation table or the second allocation table. The DCI format is used for scheduling of the PUSCH. The UE also includes transmitting circuitry configured to perform, based on a detection of the DCI format, the PUSCH transmission based on either of the first allocation table or the second allocation table.

Abstract: A user equipment (UE) is described. Receiving circuitry is configured to receive a radio resource control (RRC) message including information used for configuring more than one periodicities, each of the more than one periodicities corresponding to each of more than one uplink bandwidth parts (UL BWPs). The receiving circuitry is also configured to receive on a physical downlink control channel (PDCCH), a downlink control information format used for scheduling of a physical uplink shared channel (PUSCH), the downlink control information format being used for activating one UL BWP among the more than one UL BWPs. Transmitting circuitry is configured to perform, based on a periodicity among the more than one periodicities, an uplink transmission on the PUSCH in the activated one UL BWP. The periodicity among the more than one periodicities is determined based on the activated one UL BWP in which the uplink transmission is performed on the PUSCH.

Abstract: A wireless communication device may autonomously transition from a multiple antenna port mode to a single antenna port mode. The wireless communication device may implicitly notify a base station about the autonomous transition from the multiple antenna port mode to the single antenna port mode. The base station may reallocate resources that were previously allocated to the wireless communication device but that are no longer being used by the wireless communication device. In some cases, the base station may configure the wireless communication device's antenna port mode via radio resource control signaling.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry. The receiving circuitry is configured to receive a Radio Resource Control (RRC) message including first information configuring code block group (CBG) based (re)transmission and a maximum number of CBGs. The receiving circuitry may also be configured to receive a Radio Resource Control (RRC) message including second information configuring HARQ-ACK bundling for the CBGs within a TB and a number of bundled HARQ-ACK information bits per TB.

Abstract: Methods, systems, and devices provide improved proximity services. In one aspect, a base station includes an information generating module and an information transmission module. The information generating module generates control information for causing a mobile device to initiate a discovery signal transmission procedure. The discovery signal transmission procedure allows the mobile device to be discovered. The information transmission module transmits the control information to the mobile device. In another aspect, a mobile device includes an information receiving module, a control module, and a signal transmission module. The information receiving module receives control information. The control module initiates a discovery signal transmission procedure for proximity services responsive to the information receiving module receiving the control information. The discovery signal transmission procedure includes generating a discovery signal allowing the mobile device to be discovered.

Abstract: A wireless communication device may autonomously transition from a multiple antenna port mode to a single antenna port mode. The wireless communication device may implicitly notify a base station about the autonomous transition from the multiple antenna port mode to the single antenna port mode. The base station may reallocate resources that were previously allocated to the wireless communication device but that are no longer being used by the wireless communication device. In some cases, the base station may configure the wireless communication device's antenna port mode via radio resource control signaling.

Abstract: A UE is described that communicates with a base station apparatus on serving cells having a primary cell and one or more secondary cells. The UE includes receiving circuitry configured to receive, a RRC message including first information configuring a CGB based transmission for a PDSCH. The receiving circuitry is also configured to receive, a RRC message including second information configuring a maximum number of CBGs per transport block. The UE includes processing circuitry configured to determine the number of bits for CBG transmission information comprised in a first DCI format, wherein the first DCI format is used for scheduling of the PDSCH. In a case that the first information is configured, the number of bits for the CBG transmission information comprised in the first DCI format may be determined based on the second information.

Abstract: A wireless terminal comprises sidelink controlling circuitry and transmitting circuitry. The sidelink controlling circuitry is configured to select a reference source. The transmitting circuitry is configured to transmit sidelink synchronization signal (SLSS) based on the reference source. In a case that a timing reference is Global Navigation Satellite System (GNSS) and the GNSS is reliable according to a comparison with a threshold value, the sidelink controlling circuitry is configured to select GNSS as the reference source.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry configured to receive a radio resource control message including first information used for configuring a number of repetitions and a periodicity, the number of the repetitions being for transmissions of a transport block (TB). The receiving circuitry receives a radio resource control message including second information used for configuring a monitoring occasion for a symbol. The receiving circuitry monitors a first physical downlink control channel (PDCCH) with cyclic redundancy check (CRC) scrambled by a cell radio network temporary identifier (C-RNTI). The receiving circuitry monitors a second PDCCH with CRC scrambled by a second RNTI different from the C-RNTI. The UE also includes transmitting circuitry configured to perform on a physical uplink shared channel (PUSCH), based on the first information, transmissions of the TB.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry configured to receive a radio resource control (RRC) message comprising a first parameter(s) used for configuring a first allocation table and a second allocation table. Each of the first allocation table and the second allocation table are used for defining a time domain allocation for a physical uplink shared channel (PUSCH) transmission. The receiving circuitry is also configured to detect in a UE specific search space, a downlink control information (DCI) format comprising first information used for indicating a row index to the first allocation table or the second allocation table. The DCI format is used for scheduling of the PUSCH. The UE also includes transmitting circuitry configured to perform, based on a detection of the DCI format, the PUSCH transmission based on either of the first allocation table or the second allocation table.