Abstract: Methods, apparatus, and systems for reducing Peak Average Power Ratio (PAPR) in signal transmissions are described. In one example aspect, a wireless communication method includes determining, for an input sequence, an output sequence. The output sequence corresponds to an output of a convolutional modulation between a set of coefficients and an intermediate sequence. The intermediate sequence is generated by inserting N zero coefficients between coefficients of the input sequence. The number of non-zero coefficients in the set of coefficients is based on N, N being a positive integer. Values of the non-zero coefficients correspond to values between 0 to ?/2 to reduce a peak to average power ratio of the output sequence. The method also includes generating a waveform using the output sequence.

Abstract: Methods, apparatus, and systems for reducing Peak Average Power Ratio (PAPR) in signal transmissions are described. In one example aspect, a wireless communication method includes determining, for an input sequence, an output sequence corresponding to an output of a convolutional modulation between a plurality of values and an intermediate sequence. The intermediate sequence is generated by inserting a set of coefficients between coefficients of the input sequence. Each non-zero coefficient of the set of coefficients is inserted between a first adjacent coefficient and a second adjacent coefficient. Each non-zero coefficient has a power that is between a first power of the first adjacent coefficient and a second power of the second adjacent coefficient and a phase value between a first phase value of the first adjacent coefficient and a second phase value of the second adjacent coefficient. The method also includes generating a waveform using the output sequence.

Abstract: A system information transmission method and device. The system information transmission method comprises: generating, by a first communication node, first system information indicative of indication information corresponding to second system information, wherein the second system information is used to assist a second communication node to access a system; transmitting to the second communication node the first system information; receiving, by the second communication node, the first system information transmitted from the first communication node; receiving, according to the indication information in the first system information, the second system information; and accessing, according to the second system information, the system.

Abstract: Methods, apparatus, and systems for increasing spectral efficiency for transmissions with different numerologies. In one example aspect, a wireless communication method. The method includes operating, by a communication device, a first transmission band associated with a first numerology. The first transmission band comprises a first subcarrier spacing ?f1 and a first symbol length of T1 in time domain. The method includes operating, by the communication device, a second transmission band associated with a second numerology. The second transmission band comprises a second subcarrier spacing ?f2. The method also includes operating, by the communication device, a third transmission band positioned between the first transmission band and the second transmission band. The third transmission band comprises a subcarrier spacing equal to the second subcarrier spacing ?f2 and a symbol length equal to the first symbol length T1.

Abstract: Provided is an information transmission method, apparatus and system. The information transmission method includes: obtaining, by a first communication node, a control channel description list which includes description information of N control channels, where N is a positive integer and the description information of each of the control channels includes one or more of: control channel configuration information, reference signal configuration information, link resource configuration information, operating bandwidth configuration information, puncturing configuration information, frequency hopping configuration formation, transmission time interval length configuration information, power control configuration information and beam configuration information; and sending, by the first communication node, the control channel description list to a second communication node.

Abstract: This disclosure relates to methods and devices for configuring guard subcarriers in transmission subbands to reduce interband interference in a wireless communication network. In one implementation, the method may include determining that a first subcarrier spacing for a first radio frequency transmission band is less than a second subcarrier spacing for a second radio frequency transmission band, and the first radio frequency transmission band is close to the second radio frequency transmission band in frequency spectrum. The method may further include configuring a subcarrier of the first radio frequency transmission band as a guard subcarrier carrying dummy data when the first radio frequency transmission band and the second radio frequency transmission band are simultaneously used to transmit data loads.

Abstract: Methods, apparatus, and systems for reducing Peak Average Power Ratio (PAPR) in signal transmissions are described. In one example aspect, a wireless communication method includes determining, for an input sequence of coefficients, an output sequence and generating a waveform using the output sequence. The output sequence corresponds to an output of a convolutional modulation between a three-coefficient function associated with 2 2 , 1, and 2 2 and an intermediate sequence.

Abstract: Provided are a data modulation method and apparatus, and a storage medium. The method includes: modulating a data sequence [b(i)] to obtain a data sequence [s(k)]; wherein [s(k)] has the following characteristics: in a case where k = 2 ? i , s ? ( k ) = e j ? ( ? 2 ? ( i ? ? mod ? ? 2 ) + ? ) 2 ? [ ( 1 - 2 ? b ? ( i ) ) + j ? ( 1 - 2 ? b ? ( i ) ) ] , or ? ? s ? ( k ) = e j ? ( ? 2 ? i + ? ) 2 ? [ ( 1 - 2 ? b ? ( i ) ) + j ? ( 1 - 2 ? b ? ( i ) ) ] ; in a case where k = 2 ? i - 1 , s ? ( k ) = 1 2 ? ( s ? ( k - 1 ) + s ? ( k + 1 ) ) , or ? ? s ? ( k ) = ( s ? ( k - 1 ) ? s ? ( k + 1 ) ) 1 2 ; wherein i and k are non-negative integers, and ? is a preset constant.

Abstract: Methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to operating an access network with multiple domains. In an example embodiment, a method for wireless communication can include receiving, at a physical resource group control function, a first message on a service-based interface provided by the physical resource group control function. The method may also include, in response to receiving the first message, transmitting, by the physical resource group control function, a second message on the service-based interface provided by the physical resource group control function.

Abstract: Methods, apparatus, and systems for reducing Peak Average Power Ratio (PAPR) in signal transmissions are described. In one example aspect, a wireless communication method includes determining, for a time-domain sequence x(i), an output sequence s(k). The output sequence s(k) is an inverse Fourier transform of a frequency-domain sequence S(j), and S(j) represents a dot-multiplication of a frequency-domain sequence Y(j) corresponding to the time-domain sequence x(i) and a frequency-domain sequence Z(j) corresponding to a three-coefficient function associated with 2 2 , 1, and 2 2 . The method also includes generating a waveform using the output sequence s(k), where i is from 0 to I?1, j is from 0 to J?1, k is from 0 to K?1, and I<J<=K.

Abstract: A system information transmission method and device. The system information transmission method comprises: generating, by a first communication node, first system information indicative of indication information corresponding to second system information, wherein the second system information is used to assist a second communication node to access a system; transmitting to the second communication node the first system information; receiving, by the second communication node, the first system information transmitted from the first communication node; receiving, according to the indication information in the first system information, the second system information; and accessing, according to the second system information, the system.

Abstract: Provided are a data modulation method and apparatus, and a storage medium. The method includes: modulating a first data sequence to obtain a second data sequence; inserting a third data sequence into the second data sequence to obtain a fourth data sequence, where each of data, except for a first one and a last one in the fourth data sequence, of the third data sequence in the fourth data sequence satisfies that power of the each datum is equal to average power of two data adjacent to the each datum, and a phase of the each datum is within an angle between the two data adjacent to the each datum; and transmitting the fourth data sequence.

Abstract: Techniques are described for a full duplex communication method and apparatus for inter-vehicle communication (V2V). A communication apparatus includes one or more transmit antennas, one or more receive antennas, and a processor. For cases where a single transmit antenna and multiple receive antennas are used, a distance between the transmit and receive antennas is greater than a pre-determined value. Further, the transmit antenna is located on or in a central region of a top surface of the vehicle and the receive antennas are evenly distributed located on the vehicle. The processor configured to generate one or more messages to be transmitted via the transmit antenna, where the one or more messages includes vehicle condition information, operational information about a driver of the vehicle, or information associated with one or more sensors of the vehicle.

Abstract: A method, device and a computer storage medium for wireless connection are provided. The method includes that: a main Transmission Point (TP) sends a connection indication to User Equipment (UE), the connection indication being used to indicate the UE to establish a connection with at least one sub TP on the premise of keeping a current connection with the main TP.

Abstract: A method and apparatus for data retransmission in a wireless communication network, specifically, for a data packet generation before retransmission, according to available resources, link status, and the like is disclosed. In one embodiment, a method for a data packet retransmission by a wireless communication device, includes: receiving first information from a wireless communication node, wherein the first information comprises a first indicator; and performing a data packet retransmission with a data packet generation according to the indicator.

Abstract: Methods, systems, and devices for configuring user plane functions in mobile communication technology are described. An exemplary method for wireless communication includes determining, at a network node, a processing order for processing a plurality of user plane functions based on at least one of a type of service, a deployment type, a connection mode, one or more capabilities of the network node, or one or more capabilities of a wireless device, and transmitting, to the wireless device, a first control plane message comprising the processing order. Another exemplary method for wireless communication includes receiving, from a network node, a first control plane message comprising information that includes a processing order for processing a plurality of user plane functions, and processing, at the wireless device, a plurality of user plane functions based on the processing order.

Abstract: Provided are an information transmission method, a device, and a computer readable storage medium. The method includes: sending, by an edge node, a radio capability exposure request to a target transmission node at a radio access network side; and receiving, by the edge node, radio capability exposure response information returned by the target transmission node. Specifically, the edge node sends the radio capability exposure request to the target transmission node atnode at the radio access network side through an Xm interface and receives the radio capability exposure response information returned by the target transmission node through an Xm interface or a user plane function (UPF).

Abstract: Provided are a method and apparatus for transmitting a synchronization signal, and a method and apparatus for receiving the synchronization signal. The method for transmitting the synchronization signal includes: determining, by a transmitting end, the synchronization signal, transmitting, by the transmitting end, the synchronization signal determined to a receiving end, and notifying the receiving end of configuration information related to the synchronization signal determined.

Abstract: Provided are a data modulation method and apparatus, and a storage medium. The method includes: modulating a first data sequence to obtain a second data sequence; inserting a third data sequence into the second data sequence to obtain a fourth data sequence, where each of data, except for a first one and a last one in the fourth data sequence, of the third data sequence in the fourth data sequence satisfies that power of the each datum is equal to average power of two data adjacent to the each datum, and a phase of the each datum is within an angle between the two data adjacent to the each datum; and transmitting the fourth data sequence.

Abstract: Provided are a method for realizing device-to-device communication relay selection, a network control node and a user equipment. The method includes: a network control node receiving relay-related information sent by user equipment and determining a relay node; and the network control node sending device-to-device communication relay configuration information to the determined relay node. In the technical solution, by sending relay-related information in a network to perform selection or configuration of a relay node, a corresponding solution is provided for a scenario for which relay selection is not provided, and thereby the selection of the relay node is realized.