Abstract: The present application 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 application 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.

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). The present disclosure provides a power allocating method. A User Equipment (UE) receives power control indication information from a control node, obtains a power control mode, and/or, uplink transmission power configuration information. The UE allocates power for each uplink carrier, based on the power control mode, and/or, the uplink transmission power configuration information. By applying the present disclosure, power waste generated in the following scene may be reduced. A scheduled uplink signal cannot be transmitted in a corresponding carrier due to a busy channel. Subsequently, uplink scheduling efficiency of the UE may be improved, and the whole network efficiency may also be enhanced.

Abstract: The present application discloses a method for data transmission in a radio cell of a mobile terminal. The radio cell includes an auxiliary carrier in a low frequency band and at least one master carrier in a high frequency band, the method including: the mobile terminal achieving downlink synchronization with the radio cell through the auxiliary carrier in the low frequency band, and after achieving the downlink synchronization, obtaining configuration information of the radio cell, and transmitting data by using the master carrier and/or the auxiliary carrier according to the configuration information. The present application also provides a mobile terminal. By using the present application, radio cell coverage and transmission performance may be improved.

Abstract: The present disclosure provides a method for feeding back HARQ-ACK information. In the method provided by the present disclosure, a UE receives DL-GRANT scheduling downlink HARQ transmission in a time-frequency bundling window corresponding to respective uplink subframe for feeding back HARQ-ACK in turn, obtains a DL DAI in the DL-GRANT, and determines a mapping value of each DL DAI; then, maps bundling window corresponding to respective uplink subframe for feeding back the HARQ-ACK to corresponding bits of a feedback bit sequence according to the mapping value of the DL DAI; and transmits the HARQ-ACK on an available uplink carrier.

Abstract: A method for implementing uplink transmission in a flexible frequency division duplex (FDD) system is provided. A flexible FDD supported user equipment (FFUE) receives signaling from an evolved node B (eNB), obtains an uplink carrier configuration, and performs physical uplink shared channel (PUSCH) transmission by way of synchronous HARQ of 8 ms, synchronous HARQ of 10 ms, or asynchronous hybrid automatic repeat request (HARQ). According to the solution provided by the present invention, uplink transmission in the FDD system can be realized with low complexity, and the system performance of the FDD system is improved.

Abstract: A method for transmitting uplink control information (UCI) is provided. The method includes determining, by a user equipment (UE), the physical uplink control channel (PUCCH) resource for transmitting hybrid automatic repeat request acknowledgement (HARQ-ACK) information and scheduling request (SR) information, and determining, by the UE, an occupied PUCCH resource and transmitting the HARQ-ACK and SR according to the SR resource and whether it is necessary to transmit the SR currently.

Abstract: A method for an uplink transmission of a user equipment (UE) in a wireless communication system and the UE are provided. The method includes receiving, from a base station (BS), control signaling; grouping physical downlink shared channels (PDSCHs) based on the control signaling; determining a hybrid automatic repeat request acknowledgement/negative acknowledgement (HARQ-ACK/NACK) codebook for each grouping of the PDSCHs; and transmitting HARQ-ACK/NACK information corresponding to the HARQ-ACK/NACK codebook. The UE includes a transceiver configured to receive control signaling from a BS; and a processor configured to: group PDSCHs based on the control signaling; and determine an HARQ-ACK/NACK codebook for each group of PDSCHs, wherein the transceiver is further configured to transmit HARQ-ACK/NACK information corresponding to the HARQ-ACK/NACK codebook.

Abstract: The provided is a method for transmitting HARQ-ACK in a LTE system, which is applicable to a situation that an uplink subframe is occupied in an FDD or TDD system. The method is implemented as follows. A UE receives information from an eNB, and determines the assignment of uplink subframes in a cell. The UE determines the transmission of HARQ-ACK according to the assignment of uplink subframes in the cell. By the provided method, the transmission of HARQ-ACK of PDSCH is less influenced when an uplink subframe in the FDD or TDD system is occupied.

Abstract: The application provides a method for transmitting a control channel and a data channel in V2X communication, comprising the following steps of: first, determining, by a UE, resource pool configurations for a PSCCH and a PSSCH and an association relationship between the both; then, determining, by the UE and in PSCCH resource pools or a subset of PSCCH resource pools, PSCCH resources required by one or multiple times of PSCCH transmission, and further determining, in PSSCH resource pools associated with the PSCCH resource pools or in a subset of PSSCH resource pools associated with the subset of PSCCH resource pools, time-frequency domain resources for PSSCH transmission; and finally, transmitting, by the UE, corresponding information on the determined PSCCH and PSSCH resources. By the method provided by the present application, the requirement on low time delay of V2X services can be met, and the implementation complexity of a UE can be effectively controlled.

Abstract: Embodiments of the present disclosure provide a V2X communication method and apparatus. The method is applicable for a V2X node and includes: detecting a downlink control channel whose CRC code is scrambled by a V-RNTI relevant to the V2X node; and receiving V2X data information on a corresponding downlink data channel according to an indication of the detected downlink control channel. In the present disclosure, the receiving V2X node is able to receive V2X data information selectively, which avoids useless data receiving and data processing operations of the receiving V2X node, reduces the number of downlink control channels and downlink data channels to be detected and processed by the receiving V2X node.

Abstract: Provided are 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), with a transmission and receipt processing method and device for time-frequency synchronization between V2X terminals. When a synchronization signal to be transmitted is identical to a synchronization signal of an existing D2D terminal, time-frequency resources configured for the D2D terminal in a cell are reused to transmit the synchronization signal. When synchronization signal to be transmitted is different from a synchronization signal of an existing D2D terminal, reconfigured time-frequency resources are used to transmit the synchronization signal. The synchronization signal transmitted by a V2X terminal indicates a corresponding synchronization source type by using a value of an SLSS sequence index and/or a value of a PSBCH specified field.

Abstract: Provided are a method for receiving, by a terminal, a scheduling signaling transmitted by a transmitting node; then, deciding, by the terminal, whether a gap is to be reserved between an uplink signal symbol and an uplink physical channel symbol, and determining a time-frequency resource mapping of an uplink signal and/or an uplink physical channel; or, deciding, by the terminal, whether a predefined signal is to be transmitted on a predefined time-frequency resource within an uplink signal symbol, and determining a time-frequency resource mapping of an uplink signal and/or an uplink physical channel; transmitting, by the terminal, the uplink physical channel and/or the uplink signal, or quitting scheduling and transmitting the uplink physical channel and/or the uplink signal. Thus, when an uplink signal is transmitted on the basis of an LBT, mutual hindrance between an uplink physical channel and an uplink detection signal is effectively reduced.

Abstract: The present application provides a power control method in a V2X communication, comprising the following steps of: acquiring, by a UE, power control parameters of a Physical V2X Shared Channel (PVSCH) or a Physical V2X Control Channel (PVCCH) in a V2X communication, the power control parameters comprising a second basic open-loop power, the second basic open-loop power reflecting an interrelationship between different V2X UEs; and, determining, by the UE, a transmission power of the PVSCH or the PVCCH according to the acquired power control parameters. With the present application, the performance of the V2X communication can be improved, and the power consumption of a V2X terminal can be reduced.

Abstract: The present application discloses a method of determining scheduling of shortened subframes. The method includes: a UE determines a time-frequency position of a candidate PDCCH/EPDCCH which schedules PDSCH/PUSCH of a shortened subframe; the UE performs a pre-determined number of blind detections of the candidate PDCCH/EPDCCH at the time-frequency position. The present application also provides a device. The technical mechanism of the present application can make shortened subframes to function normally, thereby reduce time delay in data transmission.

Abstract: The present disclosure provides a method for transmitting physical uplink shared channels (PUSCHs), including: receiving, by a user equipment (UE), configuration information from a base station, in which configuration information is to configure an operation mode of the UE to operate on shortened subframes; determining, by the UE, a timing relationship from uplink grant (UL Grant) to PUSCH, a timing relationship from physical hybrid automatic retransmission request (ARQ) indicator channel (PHICH) to PUSCH, and a timing relationship from PUSCH to PHICH, and detecting a UL grant and/or a PHICH according to the determined timing relationship; in which the timing relationships are used for transmission of PUSCHs on shortened subframes; and transmitting, by the UE, based on the detected UL Grant and/or the PHICH, data of a PUSCH of a shortened uplink subframe according to the timing relationships determined by the UE in block 302.

Abstract: An uplink control information (UCI) transmitting method is provided. In this method, a user equipment (UE) receives a configuration signaling, determines a candidate physical uplink control channel (PUCCH) set corresponding to an acknowledgement (ACK)/negative acknowledgement (NACK) resource indication (ARI), receives a downlink grant signaling and downlink data corresponding to the downlink grant signaling, generates hybrid automatic repeat request ACK (HARQ-ACK) bits, performs processing for UCI bits including HARQ-ACK, determines the PUCCH used to transmit the UCI bits in the candidate PUCCH set according to an ARI in the downlink grant signaling, and transmits the UCI bits on the determined PUCCH. The present disclosure further provides an aperiodic channel state information (A-CSI) transmitting method.

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). 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). Embodiments of the present disclosure provide a method for transmitting signals. The method includes: determining, by a communication node, that resources of a DRS and resources of other types of reference signals are overlapped; and selecting, by the communication node, at least one type of signal from the DRS and the other types of reference signals according to a predefined mode and transmitting the selected signal.

Abstract: Embodiments of the present disclosure provide a method for transmitting uplink control information. The method includes: a User Equipment (UE) receives Uplink Control Information UCI configuration information, wherein the UCI configuration information includes information for determining a periodicity, an offset and a Physical Uplink Control Channel PUCCH for Periodic-Channel State Information P-CSI to be report in one subframe and configuration information for transmission of Hybrid Automatic Retransmission reQuest-Acknowledgement HARQ-ACK; processes one or more kinds of UCI in the subframe, and transmits the UCI on resources using a PUCCH format. According to the method of the present disclosure, the transmit power for transmitting the UCI on the channel using the PUCCH format is optimized. During the transmission of the P-CSI, the PUCCH resource most preferable for the transmission of the P-CSI is determined. The uplink resource utilization ratio is increased.

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 disclosure provides a power adjusting method and corresponding to control node and UE. According to the present disclosure, interference to adjacent devices of the same or different wireless access techniques may be avoided, uplink scheduling efficiency of the UE may be increased, and therefore the efficiency of the whole network is increased.

Abstract: The present disclosure provides a method for feeding back hybrid automatic repeat request-acknowledgement (HARQ-ACK) information. In the method provided by the present disclosure, an evolved Node B (eNB) transmits Downlink Assignment (DL-GRANT) within a time-frequency bundling window, which corresponds to an uplink subframe feeding back HARQ-ACK. A UE receives DL-GRANT scheduling downlink HARQ transmission in the time-frequency bundling window corresponding to respective uplink subframe for feeding back HARQ-ACK in turn, obtains a DL DAI in the DL-GRANT, and determines a mapping value of each DL DAI; then, maps HARQ-ACK bits of the time-frequency bundling window corresponding to respective uplink subframe for feeding back the HARQ-ACK to corresponding bits of a feedback bit sequence according to the mapping value of the DL DAI; and transmits the HARQ-ACK on an available uplink carrier. The present disclosure also provides a method for feeding back HARQ-ACK information.