Abstract: An RF cable includes: an inner conductor; an insulating layer extrusion molded over the inner conductor; a shielding layer covering the insulating layer; and an outer coating layer covering the shielding layer, wherein plural air holes arranged at intervals on the insulating layer and the insulating layer is coated on the outer side of the inner conductor through one-time extrusion molding.

Abstract: Communication methods and apparatuses are provided. In an example method, a terminal device receives first indication information from a network device, where the first indication information indicates a first physical uplink control channel (PUCCH) resource set; and the terminal device determines the first PUCCH resource set based on the first indication information. The first PUCCH resource set is different from a second PUCCH resource set, or the first PUCCH resource set is partially the same as a second PUCCH resource set. The first PUCCH resource set is configured for a first-type terminal device, while the second PUCCH resource set is configured for a second-type terminal device. A maximum bandwidth supported by the first-type terminal device is less than a maximum bandwidth supported by the second-type terminal device.

Abstract: A terminal device receives a first BWP hopping pattern from a network device. The first BWP hopping pattern includes one or more pieces of configuration information for switching between a first BWP and a second BWP. The terminal device switches between the first BWP and the second BWP based on the first BWP hopping pattern. The switching between the first BWP and the second BWP includes switching from the first BWP to the second BWP and switching from the second BWP to the first BWP.

Abstract: This application discloses a network device accessing method and an apparatus, and relates to the wireless communication field, to control a number of reduced capability (reduced capability, REDCAP) terminals accessing a network device, and improve network transmission performance. The method includes: A terminal apparatus receives, from a network device, first information indicating whether a REDCAP terminal is allowed to access the network device, and determines, based on the first information, whether to access the network device. The REDCAP terminal includes a first-type REDCAP terminal and a second-type REDCAP terminal, the first-type REDCAP terminal and the second-type REDCAP terminal operate in a same frequency range, and a bandwidth of the second-type REDCAP terminal is less than that of the first-type REDCAP terminal and/or a number of receive antennas of the second-type REDCAP terminal is less than that of the first-type REDCAP terminal.

Abstract: Embodiments of this application disclose a method and an apparatus for transmitting a virtual private network segment identifier (VPN SID), and a network device. An egress node sends a VPN SID corresponding to the egress node to each node in a network, and indicates to each node to store the VPN SID of the egress node. In this way, both an ingress node and each intermediate node can sense and store the VPN SID. When a VPN service needs to be provisioned, because each node stores the VPN SID of the egress node, it is possible for each node to associate the VPN SID with a forwarding entry of the VPN service to be provisioned in a forwarding table, to implement VPN route convergence. In addition, for a of a VPN corresponding to the VPN SID and that is sent by a user side, both the ingress node and the intermediate node can guide forwarding of the packet based on a locally stored VPN SID, to implement VPN service-level control.

Abstract: A packet forwarding method, a system, an apparatus, and a network device are provided. The method is performed by a network device, and includes: obtaining first identification information of a first network resource required for forwarding first traffic to which a first packet belongs; determining a target port set based on the first identification information and a destination address of the first packet, where the target port set is associated with the first network resource; and selecting a first port from the target port set to forward the first packet.

Abstract: A method includes: A first network device obtains first link layer topology information corresponding to a first network slice; the first network device obtains second link layer topology information corresponding to a second network slice; the first network device determines, based on the first link layer topology information and the second link layer topology information, that a link layer topology of the second network slice is included in a link layer topology of the first network slice; the first network device receives network layer topology information that is of the first network slice and that is sent by a second network device; and the first network device determines network layer topology information of the second network slice based on the second link layer topology information and the network layer topology information of the first network slice.

Abstract: A frequency domain resource determination method, a device, and a storage medium.

Abstract: In an embodiment a method for enhancing a physical downlink control channel, the method includes obtaining, by a terminal device, control-resource set (CORESET) configuration information, wherein the CORESET configuration information is used for configuring a time-domain resource and a frequency-domain resource of a CORESET, wherein the time-domain resource comprises X time-domain symbols, wherein the X time-domain symbols are consecutive in time domain, wherein X is an integer greater than or equal to 1 and less than or equal to M, and wherein M is an integer greater than or equal to 4 and determining, by the terminal device, a physical downlink shared channel (PDSCH) time-domain resource configuration set based on the X time-domain symbols, wherein the PDSCH time-domain resource configuration set is for PDSCH time-domain resource allocation.

Abstract: A communication method includes determining, by a terminal device, a first frequency domain resource, and performing a first-type operation on the first frequency domain resource. The first-type operation includes at least one of radio resource management (RRM) measurement, radio link measurement, or receiving first information. The first information is useable to indicate that the terminal device is configured to perform a second-type operation on a second frequency domain resource, and the second-type operation is different from the first-type operation.

Abstract: Embodiments of the present invention provide a control channel position determining method, a device, and a processor-readable storage medium. A terminal device determines an available unlicensed band set and a control channel resource group, and determines at least one first unlicensed band to which at least one of control channel resource groups belongs, based on bitmap information or offset information. The at least one first unlicensed band belongs to the available unlicensed band set. Compared with that a control channel resource group is semi-statically configured to belong to a first unlicensed band, according to the embodiments of the present invention, no matter how an available unlicensed band included in an available unlicensed band set changes, a first unlicensed band to which at least one control channel resource group belongs can always be determined, thereby ensuring normal communication.

Abstract: Example service processing methods and apparatus are described. One example method includes obtaining a service template set by a first controller. The service template set includes one or more service templates. The first controller sends service template information corresponding to the service template set to a second controller. The first controller receives a first message sent by the second controller. The first message includes first service template information corresponding to a first service template, and the first service template information is determined by the second controller according to a requirement of a first service. The first controller performs provisioning of the first service based on the first service template that is determined based on the first service template information. The second controller determines a corresponding service template according to a service requirement, to trigger the first controller to perform service provisioning based on the service template.

Abstract: The present invention discloses a soft soil foundation porous-depth air compression drainage device and working method thereof, comprising an air compression pipe and a water drainage pipe. A water drainage cavity body and an air diffusion cavity body are buried respectively in a soft soil foundation; the drainage cavity bodies are disposed around the air diffusion cavity body. Connecting to the air diffusion cavity body, the air compression pipe protrudes out of ground surface along a vertical direction of the soft soil foundation and communicates with an inflation pump; connecting to the water drainage cavity body, one end of the water drainage pipe protrudes to the bottom of the water drainage cavity body, and the other end protrudes out of the ground surface along the vertical direction of the soft soil foundation, thus achieving deep drainage and a drainage consolidation time of the deep soft soil foundation is shortened.

Abstract: A multi-antenna operation mode indication method and an apparatus resolve a problem that increased power consumption and a resource waste are caused because a terminal device still operates in a multi-user multiple-input multiple-output (MU-MIMO) mode by default in a single-port transmission mode. The method includes: a network device sends indication information to a terminal device, to indicate that a multi-antenna operation mode of the terminal device is single-user multiple-input multiple-output (SU-MIMO) or MU-MIMO. The terminal device determines, based on the indication information from the network device, whether a demodulation reference signal (DMRS) port number corresponding to the terminal device and a DMRS port number not corresponding to the terminal device are allocated to another terminal device, to adjust the multi-antenna operation mode.

Abstract: The present invention discloses a soft soil foundation single-hole depth air compression drainage device and working method thereof, comprising an air compression pipe and a water drainage pipe. A water drainage cavity body and an air diffusion cavity body are buried respectively in a soft soil foundation, and the air diffusion cavity body is located below the water drainage cavity body. Connecting to the air diffusion cavity body, the air compression pipe protrudes out of ground surface along a vertical direction of the soft soil foundation and communicates with an inflation pump; connecting to the water drainage cavity body, one end of the water drainage pipe protrudes to the bottom of the water drainage cavity body, and the other end protrudes out of the ground surface, thus achieving deep drainage and a drainage consolidation time of the deep soft soil foundation is shortened.

Abstract: This application provides an uplink signal sending method, an apparatus, and a system, and generally relates to the field of communications technologies. The uplink signal sending method includes obtaining first indication information, and determining, based on the first indication information, whether to send an uplink signal on a supplementary uplink (SUL) or an uplink (UL). The first indication information is used to indicate a SUL available time, and the SUL available time is a time in which an uplink signal can be sent on an SUL carrier in a preset period. The method is applied to a procedure in which an uplink signal is sent by using an uplink carrier, to improve flexibility in an uplink signal sending process.

Abstract: Embodiments of this application relate to the communications field, and provide an information sending and receiving method, an apparatus, and a system, to reduce resource overheads used by a (reduced-capability) terminal device to report a capability parameter. The method is as follows: A terminal device sends first information to a network device, where the first information indicates that the terminal device is a first-type terminal device, a capability parameter corresponding to the first-type terminal device includes a first capability set, the first capability set includes a channel bandwidth supported by the terminal device and a quantity of transmit antennas of the terminal device, the channel bandwidth of the terminal device is less than 100 megahertz, and the quantity of transmit antennas of the terminal device is less than 4. Embodiments of this application are applied to a massive machine-type communications mMTC service scenario or another service scenario of 5G NR.

Abstract: This application provides a switching method, it is determined that a switching delay of a first terminal device switching from a first bandwidth unit to a second bandwidth unit is a first delay, where the first delay is less than a second delay, and the second delay is a switching delay supported by a second terminal device. Alternatively, it is determined that a switching delay of a first terminal device switching from a first bandwidth unit to a second bandwidth unit is one of N delays, where the N delays are switching delays supported by the first terminal device, N is an integer greater than or equal to 2, and the N delays include a first delay. Therefore, switching between bandwidth units may be performed more quickly. In this case, the first terminal device may quickly perform dynamic data transmission within a large system bandwidth.

Abstract: Embodiments of this application provide a communication method, apparatus, and system. The method includes: After determining first downlink control information DCI, a network device sends the first DCI to a terminal device. Further, the terminal device receives the first DCI from the network device, and receives downlink data from the network device or sends uplink data to the network device based on the first DCI. The first DCI is for uplink or downlink data scheduling, a bit quantity of the first DCI is fixed, the first DCI includes a first identifier, the first identifier indicates a format of the first DCI, and the format of the first DCI includes a first DCI format or a second DCI format.

Abstract: A terminal device receives first information from a network device, where the first information indicates transmission direction information and/or service load information. The terminal device receives downlink control information DCI from the network device based on the first information. The network device may configure a DCI transmission mode by using the first information based on a characteristic of a to-be-transmitted service of the terminal device.