Abstract: Disclosed in some examples are a method for physical downlink shared channel receiving and a method for indicating its time domain resource, and a device, a storage medium, a base station, and a terminal thereof. The method for indicating the time domain resource for the physical downlink shared channel includes: determining a starting symbol position of the time domain resource for transmitting the physical downlink shared channel based on a symbol position for a front loaded demodulation reference signal; determining a row index in a preset time domain table at least based on the starting symbol position; and carrying the row index in a downlink control information, and transmitting the downlink control information to a user equipment. The technical solution of the present disclosure can achieve the flexibility in PDSCH schedule.

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 scheduling communication resource, terminal device and base station are provided. The method includes: a terminal transmitting an access request message indicating that the terminal has a demand on transmitting data with a short time delay to a base station; receiving a first allocation message which is generated based on the access request message and includes information of a first SR resource from the base station; transmitting a scheduling request of the data with the short time delay to the base station using the first SR resource; receiving a second allocation message which is determined based on the first SR resource and includes information of a resource for transmitting the data with the short time delay from the base station; and transmitting the data with the short time delay based on the allocated resource. Interaction between base station and terminal is reduced to decrease time delay in data transmission.

Abstract: Communication control method and device are provided. The method includes: determining M parts of resources for transmitting a control area in N parts of resources, wherein the N parts of resources are acquired by dividing, in a frequency domain, frequency resources of symbols for transmitting the control area in a s-TTI, M and N are integers, 1?M?N; and transmitting a PDCCH to a terminal through the control area. The method and device may realize communication control of the network to the terminal more flexibly and with less average resource overhead in the s-TTI technology.

Abstract: A method for determining pilot symbol position, a user equipment and a base station, the method includes: determining a pattern of candidate pilot symbol positions for an uplink sTTI (shortened Transmission Time Interval) transmission in an uplink sub-frame; receiving an uplink grant from a base station, where the uplink grant is used to schedule the uplink sTTI transmission; and determining at least one pilot symbol position for an uplink sTTI based on the pattern of candidate pilot symbol positions and position indication information in the uplink grant. Technical solutions of the present disclosure can reduce bit overhead in a process of determining pilot symbol position.

Abstract: The present disclosure provides a method and a device for transmitting data using a LDPC code. The method for transmitting data using a LDPC code includes: determining a check code length according to a current LDPC code rate; informing a receiving end about the current LDPC code rate and the check code length, adding a check code with the check code length to data to be sent, and implementing a LDPC encoding using the current LDPC code rate, so as to obtain LDPC code data; and sending the LDPC code data to a receiving end. The method and the device of the present disclosure can improve spectrum effectiveness of transmitting data using LDPC code.

Abstract: An auto-focus apparatus and an auto-focus method are provided. The auto-focus apparatus includes: a lens, a lens driving component, and a focus control module; wherein the lens is configured to guide light transmitted from a target object; wherein the lens driving component is configured to drive the lens to move to the multiple positions to obtain the original images, and drive the lens to a focusing position obtained by the focus control module; and wherein the focus control module is configured to obtain frequency respond results each of which corresponds to interested pixels in one of the original images, calculate a desired frequency respond result based on the obtained frequency respond results and take a first position of the lens corresponding to the desired frequency respond result as the focusing position. Accordingly, focus accuracy and focus speed under conditions of poor contrast texture and weak light are improved.

Abstract: A method and a device for the short range unicast communication, the method includes: receiving resource allocation request information from a terminal; in response to the resource allocation request information, when the terminal is an eMTC, configuring a reception resource pool for the terminal and informing the terminal about the configuration information of the reception resource pool; determining a destination terminal with which a transmitting terminal will directly communicate, and when the destination terminal is an eMTC terminal, allocating a transmission resource in a reception resource pool of the destination terminal to the transmitting terminal; and transmitting resource grant indication information to the transmitting terminal, where the resource grant indication information indicates the transmission resource and the destination terminal corresponding to the transmission resource. Accordingly, short range unicast communication with an eMTC terminal can be realized.

Abstract: The present disclosure provides a method and device for transmitting a reference signal, a method and device for receiving the same, the transmitting method includes: determining a first antenna port for transmitting a demodulation reference signal and a second antenna port for transmitting an enhanced reference signal, where the second antenna port and the first antenna port have an association; setting a transmitting power for the demodulation reference signal and a transmitting power for the enhanced reference signal; transmitting the demodulation reference signal and the enhanced reference signal to a terminal based on the first antenna port being determined for transmitting the demodulation reference signal and the second antenna port being determined for transmitting the enhanced reference signal, and according to the transmitting powers being set.

Abstract: A method for determining pilot symbol position, a user equipment and a base station, the method includes: determining a pattern of candidate pilot symbol positions for an uplink sTTI (shortened Transmission Time Interval) transmission in an uplink sub-frame; receiving an uplink grant from a base station, where the uplink grant is used to schedule the uplink sTTI transmission; and determining at least one pilot symbol position for an uplink sTTI based on the pattern of candidate pilot symbol positions and position indication information in the uplink grant. Technical solutions of the present disclosure can reduce bit overhead in a process of determining pilot symbol position.

Abstract: A UE and a data transmission method thereof are provided. The method includes: acquiring configuration information of a first shortened TTI sent by a base station; blindly detecting a predetermined physical downlink link control channel with a period of the first shortened TTI, until primary DCI corresponding to the UE is acquired; determining secondary DCI corresponding to the UE based on the acquired primary DCI; and performing data transmission with the base station in a second shortened TTI scheduled by the secondary DCI. Flexibility of application of a shortened TTI may be improved, and resources may be saved.

Abstract: An auto-focus apparatus and an auto-focus method are provided. The auto-focus apparatus includes: a lens, a lens driving component, and a focus control module; wherein the lens is configured to guide light transmitted from a target object; wherein the lens driving component is configured to drive the lens to move to the multiple positions to obtain the original images, and drive the lens to a focusing position obtained by the focus control module; and wherein the focus control module is configured to obtain frequency respond results each of which corresponds to interested pixels in one of the original images, calculate a desired frequency respond result based on the obtained frequency respond results and take a first position of the lens corresponding to the desired frequency respond result as the focusing position. Accordingly, focus accuracy and focus speed under conditions of poor contrast texture and weak light are improved.