Abstract:
The present invention present disclosure discloses a method, apparatus, device and system for sending device discovery signals. The method includes: acquiring configuration information indicating discovery resources for device discovery; determining discovery resource elements for sending the device discovery signals in a discovery resource period indicated by the configuration information, the discovery resource elements being obtained by dividing radio resources in the discovery resource period in a manner of time division multiplexing and/or frequency division multiplexing; and sending the device discovery signals on the determined discovery resource elements.
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:
A signal processing method and device, the method includes: when there are data to be sent, user equipment determining a generation mode of a pseudo-random sequence according to a type of the data to be sent; when the type of the data to be sent is device-to-device communication data, the user equipment assigning a value to an initial value for generating the pseudo-random sequence according to a predefined rule, and generating the pseudo-random sequence according to the initial value; generating one or more of a scrambling sequence, a cyclic shift sequence and a pilot sequence according to the pseudo-random sequence; and processing the data to be sent by using one or more of the scrambling sequence, the cyclic shift sequence and the pilot sequence.
Abstract:
Provided are methods and devices for transmitting or receiving Device-to-Device (D2D) broadcast information, and a transmission system. The method for transmitting the D2D broadcast information includes that: classification information of service information to be transmitted is acquired; control information corresponding to the classification information is acquired, wherein the control information is used for indicating resource scheduling information used during transmission and/or retransmission of the service information; and the service information and the control information are transmitted in a broadcast manner according to a preset rule.
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:
The present disclosure provides a method and device for processing Device-to-Device (D2D) communication, a D2D communication device and an Evolved Node B (eNodeB). Wherein, the method includes that: resources configured for Scheduling Assignment (SA) and/or data of D2D communication are divided into M resource groups, each resource group including X Resource Elements (REs) formed by N time-domain REs*K frequency-domain REs, each RE including O symbols on a time domain and including P subcarriers on a frequency domain, the X REs in each resource group being configured to configure T logical channels, each logical channel including Num REs according to a number Num of sending times and locations of each logical channel in the resource groups being determined according to a preset rule; and D2D communication processing is performed according to a determined resource configuration.
Abstract:
A device discovery method, a user equipment and a network side device are disclosed, which relates to the field of wireless communication. The method disclosed in the embodiments of the present document includes: the user equipment acquiring device discovery configuration information, the device discovery configuration information at least including information used for indicating a time domain location of a device discovery radio resource; the user equipment determining a radio resource location for sending a D2D discovery signal according to the device discovery configuration information; and the user equipment sending the D2D discovery signal at the determined radio resource location; wherein, the device discovery radio resource indicated by the device discovery configuration information is a D2D dedicated resource, and has a specific configuration period in a time domain. The embodiments of the present document also disclose a user equipment and a network side device.