In some examples, a wireless device selects a selected rate bucket of a plurality of different rate buckets, where a rate bucket of the plurality of different rate buckets comprises a plurality of coding rates. A higher-level layer in the wireless device sends, to a lower-level layer in the wireless device, an indication of the selected rate bucket. The lower-level layer uses the selected rate bucket in a wireless communication by the wireless device.

The subject matter described herein is directed towards a technology that increases the reliability of transmitting information, and extends the coverage of a vehicle-to-everything (V2X) network by propagating received information in a multiple-stage chain communication in a wireless communication system. A transmitting device transmits a communication message with repetition data indicating number of times the communication message is to be retransmitted in the wireless communication system. A receiving device determines from the repetition data that the communication message is intended to be retransmitted, modifies (e.g., decrements) the repetition data, and retransmits the communication message in association with the modified repetition data.

This application provides a method for communicating a modulation and coding scheme (MCS). A terminal device obtains a modulation order, a code rate, or a spectral efficiency, determines an index of a reference MCS from a mapping table based on the obtained modulation order, code rate, or spectral efficiency, and reports the index of the reference MCS to a network device. The mapping table includes one or more mapping relationships between an MCS index and a modulation order, a code rate, or a spectral efficiency. The terminal device may process uplink or downlink data based on the determined MCS, thereby improving data transmission reliability.

Disclosed herein includes a system, a method, and a device for prioritizing packet retransmission. A transmitting device can insert, for each packet of a plurality of packets of a video frame, a sequence number indicative of an order of the corresponding packet among the plurality of packets, into a header of the corresponding packet according to an application layer protocol. The transmitting device can transmit to the receiving device, at a first level of priority, the plurality of packets including the corresponding inserted sequence numbers. The transmitting device can receive an identification of one or more packets to be retransmitted to the receiving device, the identification based on at least the inserted sequence numbers of the one or more packets. The transmitting device can retransmit the one or more packets at a second level of priority that is higher than the first level of priority.

Embodiments for processing data with multiple machine learning models are provided. Input data is received. The input data is caused to be evaluated by a first machine learning model to generate a first inference result. The first inference result is compared to at least one quality of service (QoS) parameter. Based on the comparison of the first inference result to the at least one QoS parameter, the input data is caused to be evaluated by a second machine learning model to generate a second inference result.

A method for balancing inroute traffic load that contains both guaranteed QoS and best effort traffic. Hierarchical grouping levels are defined with the lowest level corresponding to inroutes within the system. Certain levels have common symbol rates, modulation rates, or both. When a new terminal requires admission, it is assigned to entries in the different hierarchical levels so that the inroute traffic load across all levels are balanced. Terminals are admitted to inroutes based, in part, on their channel quality indicator. Inroute traffic load can periodically rebalance based on elapsed time or terminal redistribution.

A scheduler and method for scheduling data transmission in a wireless communication system are disclosed. The scheduler buffers data packets in a buffer and monitors status of the buffer. The buffered data packets will remain in the buffer, until the buffer contains a data packet which is associated with a priority level higher than a priority level of a predefined priority threshold. Then, the scheduler selects a modulation and coding scheme for the buffered data packets and sends the buffered data packets to a radio unit for transmission.

The disclosure is related to adaptive transcoding of video streams from a camera. A camera system includes a camera and a base station connected to each other in a first communication network, which can be a wireless network. When a user requests to view a video from the camera, the base station obtains a video stream from the camera, transcodes the video stream, based on one or more input parameters, to generate a transcoded video stream, and transmits the transcoded video stream to a user device. The base station can transcode the video stream locally, e.g., within the base station, or in a cloud network based on transcoding location factors. Further, the camera system can also determine whether to stream the video to the user directly from the base station or from the cloud network based on streaming location factors.

Embodiments of this application provide a data transmission method and apparatus. The method includes: transmitting indication information indicating a data distribution manner selected from a first data distribution manner and a second data distribution manner; performing data transmission with a terminal device according to the data distribution manner indicated by the indication information; wherein the data distribution manner indicating a distribution of modulation symbols of a code block (CB) on one or more orthogonal frequency division multiplexing (OFDM) symbols of at least one resource unit, the one or more OFDM symbols are consecutive in time-domain; and wherein modulation symbols distributed on a same OFDM symbol of the one or more OFDM symbols are interleaved in frequency-domain according to the first data distribution manner and are not interleaved in the frequency-domain according to the second data distribution manner.

The present disclosure describes systems and methods for the granular, interference aware selection of modulation and coding schemes (MCS) per-sub-band, per-stream, and in some examples, per-user. In some examples, channel condition metrics regarding wireless communication conditions, including interference conditions, from a communication node of a wireless access system may be received. Based at least on the received channel condition metrics indicative of interference, a multidimensional interference margin generator may determine a per-sub-band per-stream margin. A modulation and coding scheme may be selected based on the per-sub-band per-stream margin. In some examples, the selected modulation and coding scheme may be transmitted to various modulators/demodulators, encoders/decoders, and/or other communication nodes within the wireless access system. In some examples, a scheduler may select an allocation based at least on the per-sub-band per-stream margin.