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 method for operating a base station in a wireless communication system. The method comprises, configuring a time-frequency resource and a preamble, transmitting time-frequency resource configuration information and preamble configuration information, detecting the preamble transmitted from a terminal at the time-frequency resource, and transmitting, to the terminal, a random access response (RAR).

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. Embodiments of the present invention provide a multiple access method, a multiple access transmitter and a multiple access receiver. The multiple access method comprises the steps of: performing, by a transmitter, channel coding on a bit sequence to determine a coded sequence; interleaving and/or scrambling the coded sequence, and performing multidimensional constellation modulation on the interleaved and/or scrambled sequence; performing grid mapping on the modulated symbol sequence to determine a mapped sequence, and transmitting the mapped sequence; receiving, by a receiver, mixed signals from multiple transmitters, the mixed signals are obtained by performing, by each of the multiple transmitters, interleaving and/or scrambling, multidimensional constellation modulation and grid mapping on data; and, decoding, by the receiver, mixed information according to interleaver information and/or scrambler information, multidimensional constellation information and grid mapping pattern information corresponding to each transmitter to obtain data corresponding to each transmitter.

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 application provides a data receiving method. The method includes: when a category-1 service occupies resources scheduled for a category-2 service, a terminal receives data of the category-2 service according to information about scheduling of category-1 service data. According to the present application, resources of category-2 services can be reused for receiving category-1 service data to satisfy requirements for low delay of the category-1 services and increase the utility efficiency of resources of the category-2 services.

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). A method for operating a base station in a wireless communication system is provided. The method includes determining a transmission beam of a terminal based on a preamble sequence received from the terminal, determining, an identifier for the transmission beam based on a preset mapping relationship, and transmitting, to the terminal, a random access response comprising the identifier for the transmission beam.

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). Methods and apparatuses for grid mapping are described. A method for operating a base station comprises configuring grid mapping patterns for a plurality of terminals, transmitting, to the plurality of terminals, the grid mapping patterns, receiving, from the plurality of terminals, information on which a grid mapping is performed based on the grid mapping patterns, and identifying data of the information corresponding to each of the plurality of terminals based on the grid mapping patterns. Therefore, the terminal can hold a low peak-to-average power ratio, and the power consumption can be effectively saved. The base station can complete signal detection in a moderate detection complexity by multi-terminal joint detection. The detection complexity and the performance are balanced.

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. Compared to the prior art, the present invention transmits a multiple of subsequences in a preamble sequence at a multiple of random access transmission occasions by using design of random access channel structure so as to increase the success rate of the detection and access efficiency.

The present disclosure discloses a method for performing ahybrid automatic repeat request (HARQ) feedback, method comprises: receiving data units; performing group bundling on the data units, wherein at least one data unit is bundled into more than one groups; determining, according to decoding results of the data units in each of the groups, ACK/NACK information of corresponding groups; feeding back ACK/NACK information of different bundled groups to the transmitter. Compared with the prior art, according to the present disclosure, a receiver performs grouping on data units in a way of overlapping bundling, group is used as a unit for feedback of ACK/NACK information, thus feedback overhead of HARQ feedback is reduced, data amount of HARQ-transmitter error retransmission is significantly reduced and efficiency of error retransmission is improved. In addition, the present disclosure further provides an HARQ retransmission method.

Disclosed are a network sharing method, and a method and system for accessing a network, the method comprising: when an operation for creating a WiFi hotspot is received, detecting whether a terminal device enables a WiFi function; when it is detected that the WiFi function is enabled, creating a virtual WiFi hotspot configured with a pre-set hotspot name and password by means of Bluetooth GATT technology; and establishing a Bluetooth PAN connection with an access end by means of the virtual WiFi hotspot, so as to achieve a network of network sharing.

Disclosed are a mobile terminal, method and system for controlling a microSD card. The method comprises: detecting, by the mobile terminal, whether a period of no data communication between a main controller and a microSD card continuously exceeds a predetermined time, and if so, then stopping power supply to the microSD card; if it is then determined that the main controller is to transmit data to the microSD card, recording the data, controlling the main controller to start supplying power to the microSD card, initializing the microSD card, and transmitting pre-stored data to the microSD card, thus effectively saving energy of a mobile terminal, and extending the service life of a battery.

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 method for controlling power in a communication system. For signals of respective services configured for a user equipment (UE) to be transmitted at a same time on physical channels, the UE determines priorities of power allocation corresponding to the signals of the respective services according to levels of importance of the respective services. Then the UE allocates transmission power for corresponding signals of the respective services according to the priorities of power allocation corresponding to the signals of the respective services. Using the present disclosure can perform power allocation more efficiently.

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). An embodiment of the present disclosure provides a base station, a user equipment (UE), and a method for uplink resource allocation and a method for uplink transmission, which are applied in the field of communication technologies. The method includes that: a base station allocates Bandwidth Part (BWP) resources and intra-BWP Physical Resource Block (PRB) resources to a UE, and then transmits BWP resource indication information and intra-BWP PRB resource indication information to the UE. The BWP resource indication information is used for indicating the BWP resources allocated by the base station to the UE. The intra-BWP PRB resource indication information is used for indicating the intra-BWP PRB resources allocated by the base station, and then the UE receives the BWP resource indication information and the intra-BWP PRB resource indication information transmitted by the base station, and then determines the BWP resources and the intra-BWP PRB resources allocated by the base station according to the BWP resource indication information and the intra-BWP PRB resource indication information so as to perform uplink transmission.

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). A method for operating a receiving device in a wireless communication system comprises determining inter-symbol interference between symbols in a received signal, determining a location of a receive detection window according to the inter-symbol interference, and demodulating the received signal based on the location of the receive detection window. A receiving device includes at least one transceiver, and at least one processor configured to determine inter-symbol interference between symbols in a received signal, determine a location of a receive detection window according to the inter-symbol interference, and demodulate the received signal based on the location of the receive detection window. A transmitting device includes at least one processor configured to estimate an equivalent channel frequency response based on characteristic information of a time-domain filter, estimate an inter-symbol interference based on the equivalent channel frequency response, and generate indication information regarding an adjustment of a location of a receive detection window.

The present invention relates, at least in part, to integral skin foam premix compositions, foams, and method of producing such foams. In certain aspects, the premix is storage stable and includes a hydrohaloolefin blowing agent, one or more polyols, one or more surfactants, and a catalyst.

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 discloses a signal transmission method in a communication system. The method includes: a: a transmitter sequentially applies channel encoding, modulation and grid mapping to an information bit sequence which is to be transmitted; b: inserts a preamble sequence or a cyclic prefix into a symbol sequence generated after the grid mapping, applies baseband-to-RF processing to the symbol sequence in which the preamble sequence or the cyclic prefix has been inserted and transmits the sequence obtained after the baseband-to-RF processing. During the process, the preamble sequence is periodically inserted, and the cyclic prefix is inserted into the symbol sequence in which the preamble sequence has not been inserted. The present disclosure can solve the high peak-average power ratio (PAPR) problem at the transmitting end, and can increase the power amplifier (PA) efficiency.

The present invention relates to a computer technology, and particularly to a method for prompting to enter a secure mode on a human-machine interface of a mobile device and a mobile device for realizing the method. The method according to one embodiment of the present invention comprises the following steps: in a secure mode, writing prompt information in a secure storage region in the mobile device from a secure storage device, wherein the prompt information is generated in an external trusted environment and is input in the secure storage device; and if the mobile device is subsequently switched into the secure mode from a non-secure mode, reading the prompt information from the secure storage region and displaying the prompt information on the human-machine interface.

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.