Abstract: The present invention provides a method and apparatus for determining a scheduling gap, wherein, the method comprises: demodulating the NarrowBand Physical Downlink Control Channel in order to determine the initial subframe of the scheduled NarrowBand Physical Downlink Shared Channel (NB-PDSCH) or the NarrowBand Physical Uplink Shared Channel (NB-PUSCH), wherein, the basis for determining the initial subframe comprises at least one of the following: the final subframe of the NB-PDCCH, the final subframe in the search space where the NB-PDCCH is located, the resource allocation within the scheduling window, and the scheduling gap indication. The implementation of the present technical solutions solves the problem of how to determine the scheduling within the NarrowBand system, thereby saving indication expenditure and improving resource usage efficiency.

Abstract: A method and a terminal for uplink power control are disclosed. The method comprising: determining the uplink transmit power by a terminal according to a transmission scenario in which the terminal belongs. In embodiments of present disclosure, uplink transmit power is determined by a terminal for uplink transmission, wherein a scheme of uplink power control is achieved.

Abstract: Provided are a system message transmission method and device, which relate to the field of wireless communications. According to the system message transmission method, a system message is transmitted at a preset resource location; and a physical downlink channel is transmitted according to the system message. The system message may include at least one of: frequency domain location information of a system, configuration information of a physical shared channel carrying a system message, configuration information of terminal access, available resource information of the physical downlink channel, and radio frame information.

Abstract: Provided are a method and apparatus for sending a Device-to-Device Synchronization Signal (D2D SS), and a User Equipment (UE). The method includes: selecting, by a source UE one Zadoff-Chu (ZC) sequence from M predetermined ZC sequences of which a length is N; mapping, by the source UE the selected ZC sequence to a predefined D2D SS source; and sending, by the source UE a D2D SS obtained after the mapping to a target UE. The method effectively reduces mutual interferences between a Demodulation-Reference Signal (DM-RS) and a Sounding Reference Signal (SRS) sent by the target UE and the D2D SS. The apparatus includes: a selection component, a mapping component, and a sending component. The apparatus may also include: a storage component, and a processing component.

Abstract: In coverage enhancement of machine type communication (MTC), a downlink transmitted bit stream is jointly encoded with uplink payload by the terminal. The combined signal is sent on uplink, to be jointly decoded by the base station that knows the downlink payload and the joint encoding mechanism at the mobile terminal.

Abstract: Apparatus and methods for improving a coverage of an uplink Voice over IP (VoIP) transmission of a wireless device are disclosed. A wireless device assigns a first hybrid automatic repeat request (HARQ) process to a first VoIP packet of the wireless device. The wireless device then assigns a second HARQ process to a second VoIP packet of the wireless device. The wireless device then transmits the first and second VoIP packets to a base station.

Abstract: A method and device for device-to-device communication and a device for controlling device-to-device communication are provided. The method includes: a position of a first resource included in the Device-to-Device (D2D) resources in a D2D resource period is determined; a position of a second resource is determined according to the position of the first resource and a predefined hopping rule, and a D2D signal is sent on physical resources corresponding to the first resource and the second resource or on a physical resource corresponding to the second resource.

Abstract: The present document relates to a wireless communication method, a user equipment, a network device, and a system. The method includes: a first user equipment sending a dedicated discovery signal; the first user equipment receiving a response message, wherein the response message is sent by a second user equipment which has detected the dedicated discovery signal; the first user equipment establishing a device-to-device connection with the second user equipment; and the first user equipment communicating with a network side through the device-to-device connection and a communication link between the second user equipment and the network side.

Abstract: Provided are a D2D communication method and device, wherein the method includes: a D2D UE determines whether to transmit a D2D synchronization signal within a current D2D resource period; and if so, the D2D UE transmits the D2D synchronization signal, wherein the D2D UE determines whether to transmit the D2D synchronization signal within the current D2D resource period according to at least one of the following: a received indication signalling; and a priority rule. The present disclosure solves the problem that D2D UEs belonging to neighbor cells under different base stations cannot realize timing synchronization in the related art, realizing that D2D UEs belonging to neighbor cells under different base stations transmit a D2D synchronization signal for synchronization within a D2D resource period determined to transmit the D2D synchronization signal.

Abstract: Device-to-Device (D2D) communication methods and apparatuses are provided. In the method, a first resource set for transmitting D2D control information is determined according to a received D2D resource configuration parameter and/or stored radio resource pre-configuration information; a second resource for transmitting D2D data is determined; and D2D control information is sent in the first resource set and/or D2D data is sent in the second resource. The methods and the apparatuses address the scheduling problem existing in the direct communication of D2D UEs on the radio resource of a cellular communication system in the related art.

Abstract: Methods, systems, and computer readable media for generating SDN policies are disclosed. One system includes a processor and a memory. The system also includes an SDN policy synthesizer (SPS) implemented using the processor and the memory. The SPS is configured to receive scenario based information indicating one or more behaviors for at least one SDN policy, to use a synthesis algorithm for generating the at least one SDN policy based on the scenario based information, and to provide the at least one SDN policy to an SDN controller.

Abstract: A method and device for device-to-device communication and a device for controlling device-to-device communication are provided. The method includes: a position of a first resource included in the Device-to-Device (D2D) resources in a D2D resource period is determined; a position of a second resource is determined according to the position of the first resource and a predefined hopping rule, and a D2D signal is sent on physical resources corresponding to the first resource and the second resource or on a physical resource corresponding to the second resource.

Abstract: The present invention provides a method of scheduling uplink transmissions from at least one access terminal to an access network. The method includes estimating, at the access network, at least one signal-to-noise ratio associated with each access terminal and determining, at the access network, a format for the packet based upon the estimated signal-to-noise ratio. The method also includes ranking access terminals and allocating, at the access network, resources to access terminals for transmission based on each access terminal's priority and the determined format of the packet and transmitting, from the access network, information indicative of the resources allocated to each access terminal.

Abstract: A method and system for controlling data transmission between User Equipments (UEs) are provided. A base station transmits control information for instructing a first UE to transmit data to a second UE. The base station transmits the control information on Physical Downlink Control Channel (PDCCH), and a Radio Network Temporary Identifier (RNTI), a signaling in the control information, or a format of the control information on the PDCCH indicates that the control information is used to control data transmission between the first UE and the second UE. The first UE transmits data to the second UE through Physical Uplink Shared Channel (PUSCH) according to the control information, and the first UE transmits data to the second UE through a special subframe which is a preset transmission unit dedicated to data transmission between UEs.

Abstract: The present document provides a method and system for controlling data transmission of a User Equipment (UE). The method includes: a base station transmitting control information for instructing a first UE to transmit data to a second UE. The present document solves the interference problem in device to device communication and communication in the original network, realizes the direct UE to UE communication and improves spectrum efficiency.

Abstract: Methods, systems, and computer readable media for generating SDN policies are disclosed. One system includes a processor and a memory. The system also includes an SDN policy synthesizer (SPS) implemented using the processor and the memory. The SPS is configured to receive scenario based information indicating one or more behaviors for at least one SDN policy, to use a synthesis algorithm for generating the at least one SDN policy based on the scenario based information, and to provide the at least one SDN policy to an SDN controller.

Abstract: The present document discloses a communication data sending method and device, and user equipment, herein the communication data sending method includes: UE indicating a D2D data channel resource through D2D data channel resource indication information in D2D control indication information and/or index information corresponding to the D2D control indication information; and the UE sending D2D communication data on the D2D data channel resource. Through the present document, the problem that a transmitting UE for D2D communication is unable to indicate the used D2D data channel resource by using an eNB scheduling indication resource in the cellular communication is solved, and the indication of the D2D data channel resource is realized.

Abstract: Provided are a method and apparatus for sending a Device-to-Device Synchronization Signal (D2D SS), and a User Equipment (UE). The method includes: selecting, by a source UE one Zadoff-Chu (ZC) sequence from M predetermined ZC sequences of which a length is N; mapping, by the source UE the selected ZC sequence to a predefined D2D SS source; and sending, by the source UE a D2D SS obtained after the mapping to a target UE. The method effectively reduces mutual interferences between a Demodulation-Reference Signal (DM-RS) and a Sounding Reference Signal (SRS) sent by the target UE and the D2D SS. The apparatus includes: a selection component, a mapping component, and a sending component. The apparatus may also include: a storage component, and a processing component.

Abstract: A spatial channel state information (CSI) feedback technique is incorporated into multiple-input multiple-output mobile communications technologies. User equipment (UE) channel conditions are measured and, based on the measurements, codebook subsets are selected to which indices are assigned and fed back to a base station.

Abstract: Provided are methods and apparatuses for device-to-device (D2D) communication. The method includes: configuring dedicated subframe(s) according to cellular uplink hybrid automatic repeat request (HARQ) process(es), the dedicated subframe(s) being used for D2D communication (S302); generating indication signaling according to the configuration of the dedicated subframe(s), wherein the indication signaling is used for indicating the dedicated subframe(s) (S304); and transmitting the indication signaling to user equipment (S306). The technical solutions can ensure the reliability of data transmission and the compatibility of cellular transmission and D2D communication that are performed simultaneously, and improve the user experience.