Abstract: A user equipment, a method for controlling the user equipment and a network side device are provided in the present disclosure. The method includes transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment can access a network; wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain, wherein the broadcast-type signals and channels comprise at least one of a synchronization signal, a broadcast channel and a common control channel, wherein transmitting the broadcast-type signals and channels through the dedicated resource unit comprises: transmitting the broadcast channel and/or the common control channel to the user equipment by using a preset broadcast reference signal. The present disclosure can control the user equipment to access the network.

Abstract: A method and a device for communication based on LAA, the method for communication includes: transmitting cell group information to a terminal, where the cell group information points to multiple carriers, and the multiple carriers comprise an un-licensed carrier and a licensed carrier; and transmitting downlink control information through an activated carrier in the multiple carriers, where the cell group information is used to instruct the terminal to implement a blind detection to the multiple carriers so as to obtain the downlink control information. Technical solutions of the present disclosures can improve communication speed and efficiency of a LAA system.

Abstract: A user equipment, a method for controlling the user equipment and a network side device are provided in the present disclosure. The method includes transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment can access a network; wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain. The present disclosure can control the user equipment to access the network.

Abstract: A method and a device for beam failure recovery are provided. The method includes determining signal quality of a designated beam being out of a required range of control channel transmission, where the designated beam is designated by a network for control channel transmission; performing a beam measurement to determine a plurality of recommended beams, where signal quality of the plurality of recommended beams is within a preset range; and reporting beam identifications of the plurality of recommended beams to the network, so that the network can change the designated beam based on the plurality of recommended beams. The method and device can increase a success rate of beam failure recovery.

Abstract: A method for configuring a location in a frequency domain, a base station, a computer-readable medium and a system are provided. The method includes determining a subcarrier where a Phase Tracking Reference Signal (PT-RS) is located based on an identification of a DeModulation Reference Signal (DMRS) port associated with the PT-RS. With this method, a subcarrier location where a PT-RS associated with a DMRS port is located can be determined.

Abstract: A method and a device for beam failure recovery are provided. The method includes determining signal quality of a designated beam being out of a required range of control channel transmission, where the designated beam is designated by a network for control channel transmission; performing a beam measurement to determine a plurality of recommended beams, where signal quality of the plurality of recommended beams is within a preset range; and reporting beam identifications of the plurality of recommended beams to the network, so that the network can change the designated beam based on the plurality of recommended beams. The method and device can increase a success rate of beam failure recovery.

Abstract: A user equipment, a control method thereof and a network side device are provided in the present disclosure. The control method includes: indicating configuration information of a subband to be configured to a user equipment via a common control channel of a basic subband, such that the user equipment can use the subband to be configured according to the configuration information, wherein the basic subband is a subband to which the user equipment has access, and the subband to be configured comprises any subband within a bandwidth resource. The above method can support the flexibility of subband configuration.

Abstract: A method and an apparatus for transmitting an uplink data and a user equipment is provided, the method includes: inserting multiple phase noise tracking reference signal (PT-RS) groups into a user data to be sent in time domain, according to a predefined interval; wherein each group of the phase noise tracking reference signal includes one or multiple PT-RS(s) of adjacent sampling points in the time domain; transforming the inserted multiple phase noise tracking reference signal groups together with the user data to be sent into frequency domain through a discrete Fourier transform (DFT) followed with a subcarrier mapping, and then with a transformation through an inverse fast Fourier transform (IFFT), to obtain an uplink DFT-S-OFDM waveform; and transmitting the uplink DFT-S-OFDM waveform. Embodiments of this disclosure may increase the accuracy of tracking the uplink phase noise and the possible system residual frequency shift and Doppler frequency shift, and may improve the system performance.

Abstract: Method for configuring frame structure, user equipment and network equipment are provided. The method includes: configuring a group of time intervals X and generating configuration information of the group of time intervals X according to a channel condition and communication service demand; adding the configuration information of the group of time intervals X to downlink control information which is carried in a predetermined resource unit; and transmitting the predetermined resource unit to a UE, to indicate the UE to perform data transmission with a network based on the group of time intervals X. In this way, the configuration of the frame structure including the time intervals X is indicated, so that the network and the UE can normally communicate with each other.

Abstract: User Equipment and method for time and frequency synchronization, the method includes: a UE measuring a primary measurement reference signal transmitted on at least one basic sub-band, where the at least one basic sub-band has a preset carrier numerology and a preset waveform configuration; calculating a first time deviation and a first frequency deviation between the UE and a base station on the at least one basic sub-band, based on a measurement result obtained by measuring the primary measurement reference signal; and keeping the UE in time and frequency synchronization with the base station on the at least one basic sub-band, based on the first time deviation and the first frequency deviation. Accordingly, time and frequency synchronization between UE and base station in a 5G system can be achieved.

Abstract: A method for determining a location in a frequency domain, a base station, a computer-readable medium and a system are provided. The method includes determining a subcarrier where a Phase Tracking Reference Signal (PT-RS) is located based on an identification of a DeModulation Reference Signal (DMRS) port associated with the PT-RS. With this method, a subcarrier location where a PT-RS associated with a DMRS port is located can be determined.

Abstract: A method and an apparatus for transmitting an uplink data and a user equipment is provided, the method includes: inserting multiple phase noise tracking reference signal (PT-RS) groups into a user data to be sent in time domain, according to a predefined interval; wherein each group of the phase noise tracking reference signal includes one or multiple PT-RS(s) of adjacent sampling points in the time domain; transforming the inserted multiple phase noise tracking reference signal groups together with the user data to be sent into frequency domain through a discrete Fourier transform (DFT) followed with a subcarrier mapping, and then with a transformation through an inverse fast Fourier transform (IFFT), to obtain an uplink DFT-S-OFDM waveform; and transmitting the uplink DFT-S-OFDM waveform. Embodiments of this disclosure may increase the accuracy of tracking the uplink phase noise and the possible system residual frequency shift and Doppler frequency shift, and may improve the system performance.

Abstract: A method and a device for beam failure recovery are provided. The method includes determining signal quality of a designated beam being out of a required range of control channel transmission, where the designated beam is designated by a network for control channel transmission; performing a beam measurement to determine a plurality of recommended beams, where signal quality of the plurality of recommended beams is within a preset range; and reporting beam identifications of the plurality of recommended beams to the network, so that the network can change the designated beam based on the plurality of recommended beams. The method and device can increase a success rate of beam failure recovery.

Abstract: Method for configuring frame structure, user equipment and network equipment are provided. The method includes: configuring a group of time intervals X and generating configuration information of the group of time intervals X according to a channel condition and communication service demand; adding the configuration information of the group of time intervals X to downlink control information which is carried in a predetermined resource unit; and transmitting the predetermined resource unit to a UE, to indicate the UE to perform data transmission with a network based on the group of time intervals X. In this way, the configuration of the frame structure including the time intervals X is indicated, so that the network and the UE can normally communicate with each other.

Abstract: User Equipment and method for time and frequency synchronization, the method includes: a UE measuring a primary measurement reference signal transmitted on at least one basic sub-band, where the at least one basic sub-band has a preset carrier numerology and a preset waveform configuration; calculating a first time deviation and a first frequency deviation between the UE and a base station on the at least one basic sub-band, based on a measurement result obtained by measuring the primary measurement reference signal; and keeping the UE in time and frequency synchronization with the base station on the at least one basic sub-band, based on the first time deviation and the first frequency deviation. Accordingly, time and frequency synchronization between UE and base station in a 5G system can be achieved.

Abstract: A method and a device for communication based on LAA, the method for communication includes: transmitting cell group information to a terminal, where the cell group information points to multiple carriers, and the multiple carriers comprise an un-licensed carrier and a licensed carrier; and transmitting downlink control information through an activated carrier in the multiple carriers, where the cell group information is used to instruct the terminal to implement a blind detection to the multiple carriers so as to obtain the downlink control information. Technical solutions of the present disclosures can improve communication speed and efficiency of a LAA system.

Abstract: A user equipment, a method for controlling the user equipment and a network side device are provided in the present disclosure. The method includes transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment can access a network; wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain. The present disclosure can control the user equipment to access the network.

Abstract: A user equipment, a control method thereof and a network side device are provided in the present disclosure. The control method includes: indicating configuration information of a subband to be configured to a user equipment via a common control channel of a basic subband, such that the user equipment can use the subband to be configured according to the configuration information, wherein the basic subband is a subband to which the user equipment has access, and the subband to be configured comprises any subband within a bandwidth resource. The above method can support the flexibility of subband configuration.