Abstract: The present disclosure provides a multichannel data transmitting method, including: transmitting a plurality of data units of a data packet, with the plurality of data units including a frame header data unit and a plurality of pure data units; and transmitting the frame header data unit in the plurality of data units includes: transmitting the frame header data unit on one of a plurality of channels, with identifiers of channels for transmitting the data units and initial transmitting positions of the channels for transmitting the data units being indicated in the frame header data unit. The present disclosure further provides a multichannel data receiving method, a multichannel downstream superframe transmitting method, a multichannel data transmitting apparatus, a multichannel data receiving apparatus, a computer-readable storage medium and an electronic device.

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: A method of communication includes notify, by an optical line terminal (OLT), an optical network unit (ONU) a first time period assigned to a first power saving operation and a second time period assigned to a second power saving operation, and perform, by the OLT, the second power saving operation for a receiver of the OLT during the second time period and the first power saving operation for a transmitter of the OLT during the first time period.

Abstract: Provided are a data sending method and device and a data receiving method and device. The data sending method includes: sending a notice-to-send message to a second station (STA), where the notice-to-send message is configured to instruct a first STA to prepare to send a data unit to the second STA in a first transmission opportunity (TXOP) obtained in advance, and the second STA belongs to a second multi-link device (MLD); and performing the following operations based on the situation of the third STA receiving a data unit or the notice-to-send message in a duration of a preset inter-frame space: sending a data unit to the second STA in the first TXOP, or stopping sending a data unit to the second STA, where the third STA belongs to a first MLD.

Abstract: Embodiments of the present application provide a method and apparatus for opening a quiet window, and a registration method, apparatus and system. The method for opening a quiet window includes that: a first quiet window is opened when it is determined that the first quiet window needs to be opened, wherein the first quiet window is used for Optical Network Unit (ONU) discovery. According to the embodiments of the present application, a first quiet window is opened only when it is determined that the first quiet window needs to be opened, rather than periodically opening the first quiet window, such that the efficiency of the first quiet window is improved and the impact of the first quiet window on a data transmission delay is reduced, thereby reducing a transmission delay of a Passive Optical Network (PON) system.

Abstract: A parameter feedback method includes: recording, during a period that a PPDU sent by a first station in a non-access point multi-link device is received through a first link, network transmission and state update information about an NAV of a second station in the non-access point multi-link device in a BSS where a second link is located, where the access point multi-link device is connected to the non-access point multi-link device through the first link and the second link which do not support simultaneous transmission and reception; determining a feedback state on an NAV update parameter of the second station according to the network transmission and state update information; and in a case where the feedback state is feedback, feeding back the NAV update parameter to the non-access point multi-link device through the first link after a specific frame interval after an end of reception of the PPDU.

Abstract: Provided are a method and device for responding to a registration request. The method includes: an Alloc-ID configuration table sent by an Optical Line Terminal (OLT) is received, the Alloc-ID configuration table including corresponding relationships between Alloc-IDs and upstream rates; the Alloc-ID configuration table is parsed to determine a target Alloc-ID from the corresponding relationships between the Alloc-IDs and the upstream rates, the rates corresponding to the target Alloc-ID including the rate supported by an Optical Network Unit (ONU); and a registration request sent by the OLT is responded to based on the target Alloc-ID, the registration request carrying the target Alloc-ID.

Abstract: A method of communication includes notify, by an optical line terminal (OLT), an optical network unit (ONU) a first time period assigned to a first power saving operation and a second time period assigned to a second power saving operation, and perform, by the OLT, the second power saving operation for a receiver of the OLT during the second time period and the first power saving operation for a transmitter of the OLT during the first time period.

Abstract: Provided are a multi-link low-delay communication method and apparatus, a memory medium, and an electronic apparatus. The method includes: determining a low-delay service support link set between an access point multi-link device and a non-access point multi-link device; establishing mapping between a low-delay service stream and one or more low-delay service support links in the low-delay service support link set; and transmitting the low-delay service stream on the one or more low-delay service support links. In the disclosure, the low-delay service support link set is evaluated and determined in real time, and mapping between the low-delay service stream and a relevant link is established, so that a low-delay service is transmitted on one or more links in the low-delay service support link set, thereby satisfying access requirements of the low-delay service to a great extent.

Abstract: Embodiments of the present disclosure provide a data transmission method and apparatus. The method includes: acquiring network condition information of a part or all of working links of the MLD, wherein the network condition information comprises load and/or performance information; determining one or more transmission links from the part or all of working links; and transmitting the network condition information of the part or all of working links on the one or more transmission links. The method can solve the problem in the related art that due to the variability of load or performance statistical information of links, transmitting network condition information of a plurality of links via one link causes a heavy load to communication due to excessive information.

Abstract: Provided are a multi-link device, a communication device, and a storage medium. The device includes: M stations, where the stations are non-access point (AP) stations, each station forms a respective communication link, the M stations form M communication links, and the M communication links communicate through P single wireless channels. M is greater than P, and P is greater than or equal to 1.

Abstract: Provided are a data sending method and apparatus, a data receiving method and apparatus, a sending device, a receiving device and a medium. In the data sending method, to-be-transmitted data is generated into a data frame according to a bandwidth on each channel; the data frame is divided into at least two data units; and the at least two data units are sent one by one through at least two channels according to a predetermined principle.

Abstract: Provided in embodiments of the present disclosure are a service access method, apparatus and system. The service access method includes: obtaining a low-latency service access request or low-latency service access information of a station; and entering a low-latency service access operation mode, wherein at least one first contention period is configured in the low-latency service access operation mode, the first contention period is dedicated for channel access of data of a low-latency service of the station, and the low-latency service is a service satisfying a preset low-latency service condition.

Abstract: Provided is a method for registering an optical network unit. The method is used for an optical line terminal. The method for registering an optical network unit comprises: according to pre-acquired registration information of an optical network unit to be registered, issuing registration configuration information, so as to complete registration of said optical network unit, wherein the registration information of said optical network unit is acquired before the present registration starts. Further provided are a method for writing registration information, an optical line terminal, an optical network unit, a front-facing optical network unit, and a registration device.

Abstract: Provided are a delay performance evaluation method and apparatus and a storage medium. The delay performance evaluation method includes sending, by a first communication node, an evaluation data unit to a second communication node; receiving, by the first communication node, an evaluation feedback data unit which is sent by the second communication node and sent according to the evaluation data unit; and according to a transmission condition of the evaluation data unit and the evaluation feedback data unit, acquiring, by the first communication node, a delay evaluation parameter caused by internal communication contention or control of a BSS where the first communication node is located and/or a delay evaluation parameter caused by an external interference of the BSS.

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 are a delay performance evaluation method and apparatus and a storage medium. The delay performance evaluation method includes evaluating, by a communication node, a delay performance involved in an internal communication environment of a basic service set (BSS) where the communication node is located according to pre-acquired delay evaluation parameters caused by internal communication contention or control of the BSS; and/or evaluating, by a communication node, a delay performance involved in an external interference of a BSS where the communication node is located according to pre-acquired delay evaluation parameters caused by the external interference of the BSS.

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.