Abstract: An indication information sending method includes that a base station generates first indication information, and send the first indication information to a terminal device; and where the first indication information is used to indicate a power control manner of a first channel, the power control manner of the first channel is one power control manner in a power control manner set, and the power control manner set comprises a transmit power of a signal on the first channel is determined by a terminal device based on a first parameter; or a transmit power of a signal on the first channel is determined by a terminal device according to a rule predefined on the terminal device.

Abstract: A service transmission method and apparatus, a sender and a storage medium are disclosed. The service transmission method, applied to at a sender, may include: preempting, by one transmission entity, a transmission opportunity of another transmission entity to perform service transmission.

Abstract: Provided is a coding control method in a passive optical network (PON). The method includes acquiring data of a service to be coded and a preset codeword length N corresponding to the service to be coded; acquiring a coding mode corresponding to the preset codeword length N in a preset table describing a correspondence between codeword length ranges and coding modes; and coding data of the service by using the coding mode corresponding to the preset codeword length N. Further provided are a coding control apparatus in a PON, a communication device and a storage medium.

Abstract: Provided are a state transition method and apparatus, a device, and a storage medium. The method comprises: an optical network unit verifies a received physical synchronization sequence field, and transitions the current state according to a verification result. As such, the probability of downstream synchronization detection can be effectively improved, and the probability of missed downstream synchronization detection can be reduced, thereby ensuring the normal operation of a PON system.

Abstract: Provided are a passive optical network (PON) multi-channel binding transmission method, a PON node and a storage medium. The PON multi-channel binding transmission method includes: determining a multi-channel transmission mode of to-be-sent data according to a data transmission efficiency and a preset data transmission efficiency threshold, where the data transmission efficiency for determining the multi-channel transmission mode is higher than or equal to the preset data transmission efficiency threshold; and transmitting the to-be-sent data on a data transmission channel binding combination of one or more data transmission channels according to the multi-channel transmission mode.

Abstract: A message transmission method and a device are used to accelerate a random access procedure. The method includes: receiving, by a terminal device, a repetition quantity of an uplink message from a network device, in response to determining that a reference signal receive power (RSRP) range of the terminal device is within an RSRP range corresponding to a signal coverage enhancement level 0, wherein the uplink message comprises a third message of a sequence of messages comprised in a random access attempt; calculating, by the terminal device, transmit power based on a power control parameter for the repetition quantity; and sending, by the terminal device, the uplink message to the network device based on the calculated transmit power.

Abstract: This application provides a reference signal sequence transmission method. The method includes: generating a reference signal sequence based on a frame number of a radio frame; mapping at least a part of reference signals in the reference signal sequence to a resource position that corresponds to the radio frame and that is used to transmit the at least a part of reference signals; and sending the at least a part of reference signals or an orthogonal reference signal at the resource position, where the orthogonal reference signal is obtained by multiplying the at least a part of reference signals by a preset orthogonal code.

Abstract: A method for scheduling resources is disclosed herein. A terminal device receives a downlink control information (DCI) indication sent by a network device. The DCI is used to indicate a first resource, and the first resource is a time-frequency resource for a narrowband physical uplink shared channel (NPUSCH) format 2 transmission. The NPUSCH format 2 is used to bear downlink hybrid automatic repeat request-acknowledgment (HARQ-ACK) feedback information. The terminal device determines the first resource according to the DCI, and sends a scheduling request to the network device on the first resource.

Abstract: A message transmission method and a device are used to accelerate a random access procedure. The method includes: receiving, by a terminal device, a repetition quantity of an uplink message from a network device, in response to determining that a reference signal receive power (RSRP) range of the terminal device is within an RSRP range corresponding to a signal coverage enhancement level 0, wherein the uplink message comprises a third message of a sequence of messages comprised in a random access attempt; calculating, by the terminal device, transmit power based on a power control parameter for the repetition quantity; and sending, by the terminal device, the uplink message to the network device based on the calculated transmit power.

Abstract: The present application provides a data transmitting method, a data transmitting apparatus, a data receiving method, a data receiving apparatus, a communication node and a storage medium. The data transmitting apparatus includes: converting a data frame to be transmitted into a data frame group; encapsulating the data frame group to obtain an encapsulated frame; and transmitting the encapsulated frame.

Abstract: Embodiments of the present disclosure provide a method and device for sending a bandwidth request, and a storage medium and an electronic device. The method includes: in a bandwidth allocation acquired by a transmission container, sending a payload and a bandwidth request in sequence to an optical line terminal (OLT), wherein the payload carries first data, the bandwidth request carries a data volume of a second data, and the data volume of the second data is a data volume cached in the transmission container when the bandwidth request is generated.

Abstract: Example communication methods and apparatus are described. One example method includes determining a random access preamble by a terminal device. The random access preamble includes six symbol groups. The terminal device determines a frequency location of the random access preamble based on random access configuration information and a preset rule. A frequency hopping interval between a first symbol group and a second symbol group and a frequency hopping interval between a fifth symbol group and a sixth symbol group are equal and are first intervals. A frequency hopping interval between the second symbol group and a third symbol group and a frequency hopping interval between a fourth symbol group and the fifth symbol group are equal and are second intervals. A frequency hopping interval between the third symbol group and the fourth symbol group is a third interval. The random access preamble is sent based on the frequency location.

Abstract: Provided is a coding control method in a passive optical network (PON). The method includes acquiring a codeword length N corresponding to a service to be coded; acquiring a matched coding mode corresponding to the codeword length N in a preset table describing a correspondence between codeword length ranges and coding modes; and coding data of the service by using the matched coding mode. Further provided are a coding control apparatus in a PON, a communication device and a storage medium.

Abstract: A downstream bandwidth transmission method for a passive optical network includes: an optical line terminal (OLT) sends downstream bandwidth allocation information in a downstream frame to a plurality of optical network units (ONUs); where the downstream bandwidth allocation information comprises a plurality of downstream bandwidth entries for the plurality of ONUs, each downstream bandwidth entry in the downstream bandwidth allocation information comprises ONU indication information for a respective ONU and downstream bandwidth feature information for the respective ONU, such that each of the plurality of ONUs receives respective traffic data within a downstream bandwidth allocated to the respective ONU.

Abstract: Provided are a data processing method and apparatus for a Passive Optical Network (PON) system and a PON system. The method includes: a first partial bandwidth is allocated to a first Optical Network Unit (ONU) within a first time window, the first ONU having completed registration and being in a working state; and a first data frame from the first ONU is received within a time corresponding to the first partial bandwidth, and a second data frame from a second ONU is detected within the first time window, the second ONU having not completed registration.

Abstract: Example signal transmission methods and apparatus are described. One example method includes generating a first signal by a network device, where the first signal is used to indicate to a terminal device whether there is paging scheduling information on a first paging occasion. The network device determines a first resource based on at least one of a paging configuration parameter, a first parameter set, a terminal device identifier, or a terminal identification code. The network device sends the first signal to the terminal device on the first resource. The signal transmission methods, network device, and terminal device in the embodiments of this application enable the terminal device to determine, based on the first signal, whether to listen on a downlink control channel, reducing power consumption of the terminal device.

Abstract: Provided are wavelength switching and configuration methods and devices for a Passive Optical Network (PON). The switching method includes the following operations. An Optical Network Unit (ONU) responds to a ranging request message sent by an Optical Line Terminal (OLT) on a first uplink wavelength supported by the ONU. The ONU receives ranging information sent by the OLT. The ONU uses the received ranging information as ranging information about a second uplink wavelength of the ONU, and performs data transmission on the second uplink wavelength according to a bandwidth allocation from the OLT. A path transmission time difference caused by a wavelength interval between the first uplink wavelength and the second uplink wavelength is less than a corresponding fault tolerance range when the OLT receives data. The ranging information is obtained by the OLT according to a ranging response sent by the ONU on the first uplink wavelength.

Abstract: The present disclosure provides a ranging method and a registration method for an optical network, an Optical Line Terminal (OLT), an Optical Network Unit (ONU), and an optical network system. An OLT groups ONUs controlled by the OLT according to receiving optical power values of the ONUs. The OLT allocates corresponding uplink bandwidths to the ONUs in different groups, the uplink bandwidths being used to send registration information by the ONUs to be registered.

Abstract: An optical line terminal (OLT) includes a basic wavelength channel unit and a corresponding extended wavelength channel unit. The basic wavelength channel unit is configured to support a basic wavelength channel and realize discovery and ranging of an optical network unit (ONU) on the basic wavelength channel; establish a first ONU management and control channel (OMCC) with the ONU on the basic wavelength channel, and in response to the ONU supporting an extended wavelength channel and being configured to be in a low delay mode, notify the ONU to switch from the basic wavelength channel to the extended wavelength channel through the first OMCC. The extended wavelength channel unit is configured to support at least one extended wavelength channel and establish a second OMCC with the ONU on the extended wavelength channel to transmit a low delay service.

Abstract: Embodiments of the present disclosure provide an activation method, an activation device, a control device, a network device and an optical network system. A new-system ONU is activated on a first OLT in an existing system, and then activation information of the new-system ONU is sent to a second OLT in a new system by the first OLT or by an activation agent ONU which has been activated on the second OLT, thereby enabling activation of the new-system ONU on the second OLT.