Abstract: A method for receiving system information, the method includes receiving, by a mobile terminal, a first block of second system information from a base station, wherein the first block of second system information includes scheduling information related to a plurality of second blocks of second system information; determining, by the mobile terminal, on which resource the plurality of second blocks of second system information is received using the scheduling information; and receiving, by the mobile terminal, the plurality of second blocks of second system information from the base station on the determined resource.

Abstract: Provided is a user terminal to be used in a future wireless communication system which bundles a plurality of slots (sub-frames) in a time direction. When applying bundling, a Front-loaded DMRS (Demodulation Reference Signal) is mapped to the rear of a control channel in a leading slot, and in second and subsequent slots, mapping is carried out on the basis of a rule to prevent conflict between the Front-loaded DMRS and the control channel. A control unit (203) of a user terminal (20) stipulates, in second and subsequent slots, the mapping configuration of the Front-loaded DMRS (the existence of mapping and/or the mapping position) on the basis of the aforementioned rules.

Abstract: A method for transmitting uplink control information includes: receiving, by a terminal device, scheduling information and trigger information from an access network device, where the scheduling information is used to instruct the terminal device to transmit, in M uplink subframes, uplink data scheduled by the scheduling information, M is a positive integer not less than 2, and the trigger information is used to instruct the terminal device to send uplink control information; determining, by the terminal device, in the M uplink subframes, an uplink subframe for carrying the uplink control information, where the determined uplink subframe is a subframe other than a first subframe in the M uplink subframes, and the first subframe is a first uplink subframe in the M uplink subframes; and sending, by the terminal device, the uplink control information in the determined uplink subframe.

Abstract: Provided is a method of transmitting a Physical Uplink Shared Channel (PUSCH) in a special subframe by a User Equipment (UE). The method includes receiving an Uplink (UL) grant from a base station, the UL grant being included in a downlink time period of Time Division Duplex (TDD) cell, wherein the TDD cell having TDD UL/DL configuration 1, 2 or 6; determining a resource in an Uplink Pilot Time Slot (UpPTS) of a special subframe of the TDD cell to transmit a PUSCH associated with the received UL grant, wherein the special subframe, having subframe number 1 or 6, consists of a Downlink Pilot Time Slot (DwPTS), a guard period (GP), and the UpPTS; transmitting, from the UE, the PUSCH mapped to the resource in the UpPTS; and receiving a Physical Hybrid Automatic Repeat Request Indicator Channel (PHICH) responsive to the PUSCH.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for managing a system information block (SIB) in a wireless communication network.

Abstract: A method for configuring a frame structure, a network side device and a terminal are provided. A relevant frame structure is modified so that uplink and downlink transmission resources are flexibly adjusted, so as to be adapted to requirements of uplink and downlink services and not be limited to a certain type or certain types of fixed uplink and downlink configurations and GP configurations. The method includes determining a first periodicity and first indication information, wherein the first periodicity is a frame periodicity configured for a carrier or a periodicity in which a uplink transmission appears; the first indication information is used to indicate whether a time-domain transmission resource available for the uplink transmission exists in the first periodicity or not; and, if the time-domain transmission resource exists, indicate a position of the time-domain transmission resource.

Abstract: An uplink transmitting method for a user equipment (UE) for supporting a short transmission time interval (TTI) in a wireless communication includes receiving downlink control information including uplink grant, and when a transmitting timing of an uplink signal corresponding to the uplink grant and a transmission timing of a semi-persistent (SPS) uplink signal overlap with each other, if a TTI length of a first channel in which the uplink signal corresponding to the uplink grant is to be transmitted is longer than a TTI length of a second channel in which the SPS uplink signal is to be transmitted, performing uplink signal transmission only on the second channel of the first channel and the second channel at the transmission timing.

Abstract: Methods and apparatuses for determining HARQ timing in a communication system supporting Carrier Aggregation (CA) are provided. A method for receiving, at a BS, a HARQ feedback from a UE in a communication system supporting CA of a Pcell and at least one Scell is provided. The Pcell and Scell support either FDD or TDD. The method comprises: transmitting a downlink physical channel through one of the Pcell and Scell; receiving the HARQ feedback corresponding to the downlink physical channel of the Pcell at a first timing predetermined for the Pcell; and receiving the HARQ feedback corresponding to the downlink physical channel of the Scell at a second timing. The second timing is determined according to one or more of duplex modes of the Pcell and the Scell, a scheduling mode of the Scell, and predefined rules.

Abstract: The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). According to the disclosure, a method for operating a base station in a wireless communication system includes allocating a resource within a subframe, which is not consistent with a pre-determined time division duplex (TDD) configuration in the TDD configuration being used, based on an inter-cell interference, and performing communication with at least one terminal in the subframe. This study was carried out with the support of “Cross-Ministry Giga KOREA Project” of the Ministry of Science, ICT, and Future Planning.

Abstract: There is provided a method, in a wireless device, for communicating with a network node using autonomous Uplink (UL) access. The method comprises: after sending a data transmission to a network node, starting a retransmission window associated with a feedback process of the data transmission, the retransmission window including a first timer; and in response to detecting an absence of a feedback signal during a time period given by the first timer, retransmitting the data after expiry of the first timer.

Abstract: An uplink non-orthogonal multiple access for narrowband machine type communication used for the deployment of Internet of Things (IoT) interconnected devices where one or more user equipment are configured for uplink transmission with one or more uplink time-frequency regions for enhanced Machine Type Communication Non-Orthogonal Multiple Access. The configuring is based on defining and signaling one or more signal thresholds and one or more of a resource assignment, a starting subframe periodicity, a starting subframe offset, a time duration in each period, a demodulation reference signal cyclic shift assignment, orthogonal cover code assignment, and interleaver assignment.

Abstract: Disclosed aspects relate to methods and apparatus for coexistent radio frequency (RF) systems in a wireless device. Control of a wireless device includes detecting when a turn on signal is issued to a first radio system, and then controlling the second radio system to either modify the operation of receiver circuitry in the second radio system to protect components within that system, or modify transmit circuitry to stop transmissions for protecting components within one radio system potentially affected by transmission from the other radio system in the wireless device. Disclosed also is monitoring of transmission states of the radio systems based on reading messages between the first and second radio systems and issuing a notification message based thereon such that one of the radio systems may suspend monitoring of a transmit channel for permission to transmit in order to reduce power consumption due to such monitoring of the channel.

Abstract: A signal transmission method is provided. The method includes: determining a target device, and transmitting a 5G signal to the target device, where the 5G signal includes a synchronization block, and the synchronization block is used to carry a PBCH, a PSS, an SSS and a DMRS, and the DMRS and the SSS are used as references for a demodulation result of the PBCH. By further setting the DMRS in the synchronization block, both the SSS and the DMRS are used as the references for the demodulation result of the PBCH, thereby ensuring that an adjusted phase of the demodulation result is as same as possible to a phase of the synchronization block before modulation of a transmission device, which greatly eliminates influence of factors such as the Doppler effect on the phase of the synchronization block during a signal transmission process.

Abstract: Devices and methods of reducing overall Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) of user equipment (UE) using a large amount of carrier aggregation are generally described. The UE may receive a subframe from an enhanced NodeB (eNB). The subframe may contain a physical downlink control channel (PDCCH) formed in accordance with a Downlink Control information (DCI) format. The DCI format may comprise a Downlink Assignment Index (DAI) for Time Division Duplexed (TDD) and Frequency Division Duplexed (FDD) operation. The UE may determine, dependent on the DAI, a number and ordering of Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) bits to be transmitted on a Physical Uplink Shared Channel (PUSCH) and subsequently transmit the HARQ-ACK bits.

Abstract: Methods and apparatuses for carrier aggregation with discontinuous reception is disclosed. At least two different time division duplexing configurations can be communicated from serving cells to a device, the subframes of the at least two different configurations being counted for purposes of operating at least one timer function according to a predefined rule of counting. Discontinuous communications by the serving cells with the device are controlled based on the predefined rule of counting such that at least one timer function associated with discontinuous reception from the serving cells is operated based on the counting.

Abstract: A method of reporting channel state information (CSI) by a user equipment (UE) in a wireless communication system includes receiving a configuration for CSI (channel state information)-resource containing at least one CSI resource set, wherein each of the at least one CSI resource set consist of CSI-RS (channel state information-reference signal) resources comprising at least one of NZP (non zero power) CSI-RS resource and CSI-IM (channel state information-interference measurement) resource, and measuring CSI resources within one of the at least one CSI resource set, according to the configuration for CSI resource.

Abstract: Techniques for performing random access in a wireless communication system are presented. For instance, the present disclosure includes an example method that includes determining a transmission power with which the UE (102) is to transmit a random access preamble while operating within a certain coverage enhancement level. In some examples, the transmission power is determined as a function of a target receive power with which the random access preamble transmission is targeted to be received by a network node (106), and a path loss between the UE (102) and a network node (106). In addition, the method includes transmitting the random access preamble using the determined transmission power while operating within the certain coverage enhancement level.

Abstract: Example uplink transmission resource requesting methods and apparatus are described. One example method includes a terminal determines that a collision occurs when the terminal sends a first request to a network device, where the first request is used to request the network device to schedule an uplink transmission resource for the terminal. The terminal adjusts a manner of sending the first request according to a preset rule. In embodiments of this application, the terminal may request the uplink transmission resource from the network device by using the first request.

Abstract: A base station for a mobile telecommunications system has circuitry which is configured to communicate with at least one user equipment. The circuitry is further configured to: transmit a short data transmission within the time scheduled for a long data transmission; and schedule, based on the transmission of the short data, a HARQ ACK/NACK response relating to at least a part of the long data transmission.

Abstract: A method and device for transmitting data, which are used for solving the problems in the prior art that an existing frame structure would increase the user-plane delay of a TD-LTE system and decrease the system performance. A wireless frame transmitted between a network side device and a terminal comprises a reinforced sub-frame, and the reinforced sub-frame comprises a UL portion and a DL portion. A TDD frame structure of the embodiments of the present invention can decrease the user-plane delay on the basis of maintaining the service flexibility, and also can maintain the backward compatibility of a system.

Abstract: A wireless device and a method therein for performing a transmission at a changed Coverage Enhancement (CE) level in a random access procedure. The wireless device receives a random access order indicating a first preamble and a first carrier. Further, the wireless device transmits, to a network node, the first preamble on the first carrier using a first CE level. In the absence of a valid response after a number of transmissions, the wireless device determines a second CE level that is different from the first CE level. Thereafter, the wireless device selects, in a predictable way for the network node, a carrier that is supporting the second CE level, and transmits, to the network node, a preamble on the carrier using the second CE level.

Abstract: An apparatus may use inactive uplink portions of a downlink CC to transmit SRS to an eNB. At times there may be a collision between the SRS transmission and uplink transmissions or downlink transmissions on another CC. The apparatus receives a carrier aggregation configuration for a first downlink CC and a second CC, determines to transmit an uplink transmission on the second CC or to receive a downlink transmission on the second CC, determines that the SRS would at least partially collide with the uplink transmission or the downlink transmission, and determines to adjust at least one of the uplink transmission, the SRS transmission, or reception of the downlink transmission based on the determination of the collision and an interruption time to transmit the SRS in the uplink portion of the first CC.

Abstract: This application discloses a method for determining transmission direction performed at a terminal and an associated computer-readable storage medium. The method includes: obtaining, by the terminal, first configuration signaling, wherein the first configuration signaling indicates that one or more symbols in a slot are used to transmit data in a first transmission direction; obtaining, by the terminal, second configuration signaling, wherein the second configuration signaling indicates that at least one of the one or more symbols in the slot is used to transmit data in a second transmission direction; determining, by the terminal, transmitting data on the one or more symbols in the first transmission direction, and not transmitting data on the at least one of the one or more symbols in the second transmission direction, wherein the first configuration signaling is cell-specific radio resource control (RRC) signaling.

Abstract: A method for estimating a self-interference channel by a communication device which operates in a full-duplex mode can comprise the steps of: determining the amount of resources to be used for estimating a self-interference channel for each antenna; transmitting a reference signal by means of resources distinguished by means of each antenna in accordance with the amount of resources that has been determined for each antenna; and estimating the self-interference channel on the basis of the reference signal.

Abstract: A user terminal communicates with a first cell where a time interval of uplink (UL)/downlink (DL) is dynamically switched, and a second cell where uplink/downlink is switched in a desired time interval. The user terminal includes a transmitting section that transmits an uplink signal; a receiving section that receives a downlink signal; and a control section that controls communication in the transmitting section and in the receiving section. The control section performs a control to not carry out uplink communication in a time interval of the second cell that corresponds to a time interval of downlink communication in the first cell. The control section performs a control to not carry out downlink communication in a time interval of the second cell that corresponds to a time interval of uplink communication in the first cell.

Abstract: A User Equipment (UE) includes processing circuitry coupled to memory. To configure the UE for machine type communication (MTC), the processing circuitry is to decode radio resource control (RRC) signaling from a base station (such as an Evolved Node-B (eNB)). The RRC signaling indicates activation of flexible starting physical resource block (PRB) for physical downlink shared channel (PDSCH) resource allocation. DCI received on an MTC physical downlink control channel (MPDCCH) is decoded, the DCI indicating a narrowband (NB) index of a NB frequency resource and at least one PRB index for the PDSCH resource allocation. The NB frequency resource indicated by the NB index is shifted based on the activation of the flexible starting PRB for PDSCH resource allocation. PDSCH data received from the base station using the shifted NB frequency resource is decoded.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may determine a duplexing configuration (e.g., frequency division duplexing (FDD) or time division duplexing (TDD)) of a carrier based on one or more synchronization signals. The UE may then receive a master information block (MIB) on the carrier, and may interpret one or more fields of the MIB based on the duplexing configuration of the carrier. The configuration dependent fields may include a special subframe field, a system information location field, or both. In some cases, such as in a TDD configuration, the UE may postulate a special subframe configuration of the carrier in order to receive the MIB, and may update the postulated special subframe configuration after receiving the MIB.

Abstract: The embodiments herein provide methods and systems for implementing time division duplex (TDD) operations in a narrowband internet of things (NB-IoT) to enable cellular IoT operations in user equipment (UE). A method includes receiving TDD uplink-downlink (UL-DL) configuration and transmitting a predetermined number of a symbol group for a random access in one or more UL subframes based on the received TDD UL-DL configuration, each symbol group including a plurality of symbols, wherein at least part of the predetermined number of symbol groups are transmitted discontinuously.

Abstract: Embodiments of the invention are directed to a cellular communication network that can determine whether communications between one base station-UE pair may interfere with another UE that is in the same cell or a different cell. The network identifies interference parameters associated with interference signals that may be received by a UE. The interference signals may be generated by the base station itself, such as communications with other UEs, or by a neighboring base station. The base station transmits the interference parameters to the UE. The UE receives the one or more parameters comprising information about signals expected to cause intra-cell or inter-cell interference. The UE then processes received signals using the one or more parameters to suppress the intra-cell or inter-cell interference.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry configured to receive a radio resource control (RRC) signal including information used for configuring the UE to monitor physical downlink control channel (PDCCH) candidates either for a downlink control information (DCI) format 0_1 and a DCI format 1_1 or a first DCI format and a second DCI format. The UE also includes transmitting circuitry configured to perform a transmission on a physical uplink shared channel (PUSCH). In a case that the PUSCH is scheduled by using the second DCI format, a first hybrid automatic repeat request-acknowledgment (HARQ-ACK) and a second HARQ-ACK are multiplexed on the PUSCH. The number of resources for the first HARQ-ACK and the number of resources for the second HARQ-ACK are respectively determined.

Abstract: The present invention is designed so that the transmission of A/Ns can be controlled properly when the reference value for the timing for transmitting signals is controlled in radio base stations and/or user terminals. A user terminal, according to the present invention, has a receiving section that receives a downlink (DL) shared channel, and a control section that controls transmission of retransmission control information in response to the DL shared channel. The control section controls the transmission of the retransmission control information based on a reference value that is configured for timing for transmitting the retransmission control information.

Abstract: Aspects of the present disclosure provide techniques for wireless communications by a base station. An example method generally includes allocating uplink resources to one or more first type of user equipments (UEs) that communicate with the BS on a first frequency band that is narrower than a second frequency band used to communicate with a second type of UE, wherein the uplink resources are allocated in a narrowband subframe structure having a symbol duration determined based, at least in part, on characteristics of communications between the BS and the second type of UE using the second frequency band, and receiving uplink transmissions from the one or more first type of UEs on the allocated resources.

Abstract: This application discloses a channel estimation method and apparatus, and relates to the field of communications technologies, to help reduce indication overheads. The method may include: generating and sending indication information. The indication information indicates K N-dimensional spatial-domain component vectors, L M-dimensional frequency-domain component vectors, and a weight matrix, for constructing an M×N-dimensional spatial-frequency matrix, or an M×N or N×M spatial-frequency matrix.

Abstract: This application provides a method for configuring a transmission direction of a time-frequency resource, and an apparatus. A terminal device receives first configuration information sent by a first access network device and/or second configuration information sent by a second access network device, and transmits data based on the first configuration information and/or the second configuration information. The first configuration information includes configuration information of a transmission direction of the first access network device in at least one resource unit, the second configuration information includes configuration information of a transmission direction of the second access device in at least one resource unit, and the at least one resource unit includes at least one of a frequency domain unit, a time domain unit, and a space domain unit.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments of the disclosure, an apparatus of a terminal in a wireless communication system is provided. The apparatus includes at least one transceiver, and at least one processor configured to be operatively connected to the at least one transceiver, wherein the at least one processor may be configured to: obtain first synchronization of a first carrier that is in synchronization, determine second synchronization of a second carrier that is out of synchronization based on the first synchronization, and perform communication based on the second synchronization.

Abstract: The present invention relates to a method and an apparatus for transmitting and receiving a signal by a terminal in a wireless communication system supporting reconfiguration of wireless resources. Specifically, the method comprises a step of monitoring wireless resource reconfiguration control information on a number of sub-frames within a set monitoring cycle in order to reconfigure wireless resources, wherein a first uplink-downlink setting in accordance with wireless resource reconfiguration control information is valid only if equally detected on a number of sub-frames, and wherein a number of sub-frames are sub-frames set to monitor wireless resource reconfiguration control information of a terminal.

Abstract: An object is to provide a user device and a radio communication method that are capable of appropriately detecting radio link failure (RLF) even when an enhanced coverage mode is in operation. UE (200) includes CE level setting unit (230) that sets, when the UE is set in the enhanced coverage mode, a reception quality threshold (Qin/Qout) of a reference reception power level (RSRP/RSRQ) specified for CE level, and a radio link monitoring unit (240) that executes radio link monitoring based on the set reception quality threshold. The CE level setting unit (230) sets, regardless of whether the UE (200) is set to any CE level or not, a reception quality threshold specified for the maximum CE level.

Abstract: The invention relates to a method for transmitting a group of Q symbols (A0; . . . ; AQ?1) in a DFTsOFDM radio signal, said radio signal being provided by applying a M size DFT and a N-size IDFT to a block of symbols X=(X0, . . . XM?1), said method comprising: —determining Q positions ni in the block of symbols, such as (I); —transmitting the Q symbols through the radio signal, such as for each i, samples of the symbol ai in the radio signal are equal to a result of the application of a DFTsOFDM scheme to a block of M symbols with values of symbols Xni+mL, being ej2?k(ni+mL)/MAi with k integer such as 0?k<K, with m integer such as 0?m<K.

Abstract: Aspects of the disclosure pertain to systems and methods for multiplexing of low latency and latency tolerant communications. When low latency traffic pre-empts latency tolerant traffic in a first interval, the pre-empted low latency traffic can be transmitted in a subsequent interval. There are multiple designs disclosed for notifying UE that are affected by the pre-emption events. The various designs include implicit or explicit notification that can be semi-static or dynamic. Examples of the notification include notification of that a pre-emption event occurs, notification of the location of the pre-emption event, notification of whether a supplementary transmission will occur and notification of the location of the supplementary transmission.

Abstract: Apparatuses, methods, and systems are disclosed for data acknowledgment. One apparatus includes a processor that determines a duration for a downlink (“DL”) burst. The apparatus includes a transmitter that transmits the DL burst having the duration, and signaling indicating a hybrid automatic repeat request acknowledgement (“HARQ-ACK”) codebook size for transmission of HARQ-ACK feedback corresponding to the DL burst.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present invention provides a method performed by a terminal comprising, transmitting, to a base station, an uplink signal, identifying hybrid automatic repeat request (HARQ) related information corresponding to the uplink signal, and adjusting a contention window (CW) for performing an LBT mechanism based on the identified HARQ related information.

Abstract: A method of transmitting an acknowledgment signal in a mobile telecommunications system, the system comprising a base station and a terminal operable to communicate with the base station via a wireless interface, the wireless interface having a first frequency band and a second frequency band, wherein the first frequency band is different from the second frequency band. The method comprises: determining that, at a time t, an acknowledgment signal is to be transmitted by the base station to the terminal in the second frequency band; and if it is determined that, at the time t, a downlink signal is to be transmitted to the terminal, wherein the downlink signal is to be transmitted to the terminal in a first frequency band, then transmitting a multiplexed signal by multiplexing the acknowledgment signal with the downlink signal and transmitting the multiplexed signal in the first frequency band.

Abstract: A wireless device receives a radio resource control message comprising: a radio network temporary identifier, RNTI, for a downlink control information used for power saving; and a location parameter for the wireless device. Based on the RNTI, a first DCI comprising blocks is received. The location parameter indicates a location of a block, of the blocks, for the wireless device. The block comprises: a wake-up indication for the wireless device; and a dormancy indication for at least one secondary cell of the wireless device. The wireless device transitions to a wake-up state in response to the wake-up indication. The wireless device transitions the at least one secondary cell transitions to a dormant state based on the dormancy indication.

Abstract: A WLAN device includes a processor implementing a MAC layer and a PHY layer which is coupled to a transceiver including a receive (Rx) chain and a transmit (Tx) chain that is coupled to an antenna. A preamble decode-based receive suspend algorithm has software stored in a memory that is implemented by the processor or by hardware including digital logic. The algorithm responsive to receiving a packet including a Physical Layer Convergence Protocol (PLCP) header, a MAC header, and data, is for analyzing a length field in the PLCP header to determine whether the packet is an undesignated packet and whether there is sufficient time remaining for implementing a turning off and then back on of an analog portion of the Rx chain to avoid missing a next packet. If the undesignated packet and sufficient time are present, the analog portion of the Rx chain is turned off.

Abstract: A user terminal includes: a transmitter that transmits delivery acknowledgement signals (HARQ-ACKs); a receiver that receives downlink control information including: in one or more predetermined subframes of the downlink control information, first information that indicates a total number of cells to be subjected to downlink (DL) transmission scheduling, and second information that indicates a cumulative number of cells; and a processor that performs control so that the HARQ-ACKs are transmitted in predetermined uplink (UL) subframes based on the first information and the second information. The HARQ-ACKs are transmitted in response to DL signals transmitted from a plurality of cells. The plurality of cells include cells that use Time Division Duplex (TDD). A value of the first information is the same in each of the one or more predetermined subframes, and the processor updates the first information on a per subframe basis.

Abstract: Disclosed is a method by which a terminal reports channel quality information (CQI) to a base station in a multi-antenna-based wireless communication system. Particularly, the method comprises the steps of: receiving, through an upper layer, the reference signal configuration defined by P number of antenna ports; receiving, through M number of antenna ports, reference signals from the base station; grouping the P number of antenna ports into antenna port groups formed of the M number of antenna ports; calculating CQIs by using the reference signal corresponding to each of the antenna port groups on the basis of the assumption that predefined precoders are applied to the reference signals; and reporting, to the base station, N number of CQIs among the calculated CQIs.

Abstract: Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for delivering UE capability indication to a positioning server in a wireless communication network. A user equipment (UE) or evolved NodeB (eNB) may process and assign narrowband physical uplink shared channel (NPUSCH) resources based on a comparison between a measured narrowband reference signal received power (NRSRP) in a narrowband physical random access channel (NPRACH) transmission and at least one threshold value. Embodiments describe how to configure the NPUSCH transmission utilizing NPRACH procedure at very low receiving Signal-to Noise ratio (SNR) to alleviate negative impacts caused by less accurate NRSRP measurements and/or increased absolute power tolerance at very low receiving SNR scenarios. Other embodiments may be described and claimed.

Abstract: A data transmission method and a terminal device are disclosed, which may solve the data transmission problems of a sidelink when the size of a time unit of a downlink and the size of a time unit of the sidelink are not the same. The method includes that a terminal device receives first control information sent by a network device, and determines a sending time for sidelink data according to the first control information.

Abstract: The present application is related to a method and apparatus of using redundant bits in semi-statically configured HARQ-ACK feedback. A method of receiving information according to one embodiment comprises receiving a first number of code block groups from a base unit, wherein each code block within a code block group is independently decodable; determining a (HARQ-ACK) codebook size corresponding to the first number of code block groups; and transmitting a HARQ-ACK codebook to the base unit, wherein the HARQ-ACK codebook comprises the first number of HARQ-ACK bits with each bit corresponding to one code block group and a second number of padded bits. The first number plus the second number is equal to the determined HARQ-ACK codebook size. The present application enhances the downlink (DL) transmission performance and the uplink (UL) HARQ-ACK transmission reliability.

Abstract: A base station of a wireless communication is disclosed. A wireless communication base station comprises a communication module and a processor. The processor receives DCI of a physical downlink control channel (PDCCH) for scheduling a physical uplink shared channel (PUSCH) transmission over a plurality of slots and multiplexes hybrid automatic repeat request (HARQ)-ACK information to the PUSCH transmission by applying a value in a downlink assignment index (DAI) field of the DCI to each slot where the HARQ-ACK information is multiplexed to the PUSCH transmission over the plurality of slots.