Abstract: Embodiments of the present disclosure provide method and apparatus for path selection. A method performed by a first network node may comprise determining at least one candidate relay user equipment (UE) served by a second network node. The method may further comprise sending a first message comprising first information of the at least one candidate relay UE to the second network node. The method further comprises receiving a second message from the second network node. The second message may comprise at least one path for the UE to access the second network node. The method may further comprise sending the at least one path to a UE served by the first network node to enable the UE to setup the at least one path. The at least one candidate relay UE is able to be used for establishing at least one indirect path between the UE and the second network node.

Abstract: A method for acquiring identity authentication information, an apparatus, a storage medium and a system. The method includes: receiving a request message from an Internet of Things device, where the request message is used for requesting to acquire identity authentication information, and the identity authentication information is applied for and obtained by a first server from a second server, where the first server is used for acquiring the identity authentication information from the second server in place of the Internet of Things device and managing the identity authentication information, and the second server is used for providing a target cloud service corresponding to the identity authentication information; returning the identity authentication information to the Internet of Things device in response to the request message, to enable the Internet of Things device to access the second server by using the identity authentication information.

Abstract: Various embodiments of the present disclosure provide a method for relay communication. The method which may be performed by a first user equipment includes obtaining capability information about support of multi-path communication. The multi-path communication includes at least relay path communication. In accordance with an exemplary embodiment, the method further includes determining whether a cell is a multi-path capable cell or a multi-path incapable cell, and/or whether a second UE is a multi-path capable relay UE or a multi-path incapable relay UE, according to the capability information.

Abstract: The present application generally relates to wireless communication technology. More particularly, it relates to a method and apparatus for controlling sidelink (SL) Quality of Service (QoS). According to one or more embodiments, a method for controlling sidelink (SL) Quality of Service (QoS) including the following steps carried out at a User Equipment (UE): a) generating QoS requirement from characteristics for one or more packets to be transmitted via a sidelink; b) determining bearer configuration corresponding to the QoS requirement; and c) performing SL transmission on the basis of the bearer configuration.

Abstract: Various embodiments of the present disclosure provide a method for sidelink (SL) transmission. The method which may be performed by a user equipment (UE) comprises: performing a listen-before-talk (LBT) operation prior to a slot group comprising multiple slots. In accordance with an exemplary embodiment, the method further comprises: determining whether to select one or more slots from the multiple slots for one or more SL transmissions towards one or more other UEs, according to a result of the LBT operation.

Abstract: A signal transmission method and an apparatus are provided. In the method, a terminal device receives first indication information, the first indication information is for determining at least one of a mapping parameter and a widely linear processing matrix; and the terminal device sends a second signal, where the second signal is obtained by converting a first signal based on at least one of the mapping parameter and the widely linear processing matrix, and the first signal includes m streams of first data to be sent. The mapping parameter includes a first mapping parameter of the m streams of first data and a second mapping parameter of conjugates of the m streams of first data, and the widely linear processing matrix includes a first widely linear processing matrix of m streams of second data and a second widely linear processing matrix of conjugates of the m streams of second data.

Abstract: The invention relates to a method for preparing nicotinamide mononucleotide by using nicotinamide as a raw material, which comprises: in acetonitrile, dichloromethane, 1,2-dichloroethane or liquid sulfur dioxide as a solvent, allowing nicotinamide and tetraacetyl ribose to react as catalyzed by trimethylsilyl trifluoromethanesulfonate or tin tetrachloride, adjusting a pH value thereof to 3-5, adding a sodium methoxide solution thereto to react at ?15° C. to 5° C., adjusting a pH value thereof to 3-5, and subjecting the reaction mixture to microfiltration and nanofiltration using a membrane concentrator, thereby obtain a nicotinamide ribose solution; allowing the nicotinamide ribose solution to react as catalyzed by nicotinamide ribokinase in the presence of Mg ions, ATP and a buffer, thereby obtaining nicotinamide mononucleotide.

Abstract: Embodiments of this application provide a communication method and an apparatus. The method includes: receiving first data; sending second data through a plurality of antenna ports, where the second data is obtained by performing, by a network device, distribution matching, forward error correction encoding, and modulation on the first data based on a bit mapping relationship; and sending indication information to a terminal device, where the indication information is used by the terminal device to determine the bit mapping relationship, and the bit mapping relationship is used by the terminal device to perform distribution dematching on the second data to obtain an estimated value of the first data.

Abstract: A first terminal device connects with a second terminal device via at least one third terminal device acting as a relay between the first terminal device and the second terminal device. The first terminal device determines identification information for identifying the first terminal device and/or the second terminal device on a link between the first and second terminal devices. The first terminal device assigns the determined identification information to at least one corresponding hop on the link between the first terminal device and the second terminal device.

Abstract: The technology of this application is directed to reducing a data transmission latency in multi-hop transmission and improving data transmission efficiency, A method is provided and may be applied to a multi-hop transmission system. The method includes a first node obtaining second transmission parameter information. The second transmission parameter information may include one or more of the following: quality of service (QoS) configuration information, candidate transmission path information, candidate transmission resource information, or a candidate forwarding mode. The first node determines first transmission parameter information based on the second transmission parameter information. The first node sends service data to a second node based on the first transmission parameter information, where the second node is a next-hop node determined by the first node based on the first transmission parameter information.

Abstract: The present application generally relates to wireless communication technology. More particularly, it relates to a method and apparatus for controlling sidelink (SL) Quality of Service (QoS). According to one or more embodiments, a method for controlling sidelink (SL) Quality of Service (QoS) comprising the following steps carried out at a User Equipment (UE): a) generating QoS requirement from characteristics for one or more packets to be transmitted via a sidelink; b) determining bearer configuration corresponding to the QoS requirement; and c) performing SL transmission on the basis of the bearer configuration.

Abstract: The present disclosure provides a method in a terminal device configured with a plurality of carrier frequencies for sidelink communication with a plurality of peer terminal devices. The method includes: transmitting, to each of the plurality of peer terminal devices, sidelink synchronization information on at least one carrier frequency for sidelink communication with the peer terminal device.

Abstract: Example wireless communication methods and apparatus are described. In one example method, a relay device receives a first signal sent by a first device, where the first signal carries a plurality of bits. The relay device decodes the first signal to determine first information corresponding to each of a plurality of first bits. The first information corresponding to each first bit is determined based on a probability that the first bit is 1 and a probability that the first bit is 0. The relay device sends the first information in a second signal to a second device, so that the second device can use the first information to decode the first signal.

Abstract: Various embodiments of the present disclosure provide a method for sidelink carrier selection. The method which may be performed by a first user equipment includes: determining, among a set of sidelink carriers configured to the first user equipment, one or more carriers for a sidelink transmission, based on carrier selection performed by the first user equipment itself or according to an instruction from a base station. In accordance with an exemplary embodiment, the method further includes: performing the sidelink transmission to a second user equipment on the one or more carriers determined for the sidelink transmission.

Abstract: A method includes: a first node determines a main path, where the main path includes a transmission path that is between the first node and a second node and that meets a condition; determines a third node and a transmission configuration parameter based on the main path, where the third node is a node through which the transmission path between the first node and the second node necessarily passes; and sends, to the third node, the transmission configuration parameter used to determine a transmission manner between neighboring third nodes.

Abstract: Various embodiments of the present disclosure provide a method for carrier aggregation. The method which may be performed by a user equipment comprises: receiving, from a base station, a first indication of activating or deactivating a sidelink carrier configured for the user equipment. In accordance with an exemplary embodiment, the method further comprises: determining whether to activate or deactivate the sidelink carrier, according to the first indication. In accordance with another exemplary embodiment, the method further comprises: transmitting a second indication of activating or deactivating the SL carrier to one or more other UEs which are configured with the SL carrier.

Abstract: A preparation method for a nanocomposite fiber membrane material based on a bio-based liquefied formaldehyde resin is provided. A bio-based raw material is processed through a phenol/polyethylene glycol complex liquefaction process, followed by divalent alkali metal hydroxide high ortho-position induction synthesis resinification and modification with the polymer polyvinyl alcohol to create a spinnable precursor as PVA-BLF. Subsequently, a coaxial electrospinning device is utilized, where PVA-BLF serves as a core layer and a titanium dioxide dispersion is used as a shell layer, to fabricate a PVA-BLF/TiO2 nanocomposite fiber membrane material. The average diameter of the nanocomposite fiber membrane is 150-450 nm, and the specific surface area is 500-700 m2/g. The porosity exceeds 60%, and the fracture elongation ranges from 5.5% to 6.5%, demonstrating excellent filtration performance and excellent regeneration performance, which can be developed as adsorption materials for water and air purification.

Abstract: The present disclosure proposes a method for a relay UE to handle a first SI request received from a remote UE, while a prohibit timer in the relay UE for requesting SI from a base station is running, the method comprising: obtaining SI requested by the first SI request; and sending the SI to the remote UE, once the SI is obtained. With this method, the relay UE is allowed to handle an SI request received from a remote UE effectively, and the remote UE is allowed to get the requested SI via the relay UE as soon as possible.

Abstract: Embodiments of the present disclosure provide method and apparatus for sidelink resource selection. A method performed by a transmitting UE comprises obtaining at least one DRX active time of at least one RX UE. The method further comprises selecting one or more resources to create a SL grant based on the at least one DRX active time of the at least one RX UE. The method further comprises selecting a destination based on the at least one DRX active time of at least one RX UE and at least one resource in a created SL grant. A destination is associated with a single or multiple RX UEs.

Abstract: Various embodiments of the present disclosure provide a method for platoon-based communications. The method which may be performed by a first network node comprises determining, at a radio layer, a group header of a device group which comprises at least a terminal device. The group header comprises at least one of: an application layer group header being responsible for management of the device group at an application layer, and a radio layer group header being responsible for management of the device group at the radio layer. According to the embodiments of the present disclosure, a radio layer group header may be appointed for a device group so that communication management on the device group can be performed at the radio level.