H04L1/0017

COMMUNICATION METHOD AND COMMUNICATIONS APPARATUS
20210288747 · 2021-09-16 ·

A communication method includes: a first device obtains transmission states of first n data packets by using a first protocol layer entity, where the first protocol layer entity includes a radio link control (RLC) layer entity or an entity above an RLC layer; the first device starts a timer if transmission states of m data packets in the first n data packets are transmission failures, where n and m are both positive integers, and m is less than or equal to n; and the first device determines a radio resource configuration parameter used to transmit a subsequent data packet, or sends a first message to a second device, where the first message is used to indicate a state of the timer, and the state of the timer is used to determine the radio resource configuration parameter used to transmit the subsequent data packet.

CAMERA COMMUNICATION CHANNEL SELECTION
20210281857 · 2021-09-09 ·

Adjusting communication channels used by camera to communicate with a base station are described. In one aspect, characteristics of communication channels can be determined and the operation of the camera can be adjusted to use a communication channel based on a comparison of the characteristics of multiple communication channels.

Resource exclusion for device to device communication

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select, in a first time slot, a set of resources to use for transmission to another UE; evaluate, in a second time slot, whether one or more resources of the set of resources is available; and transmit, based on the one or more resources of the set of resources being available, information to the other UE in a third time slot and using the set of resources, or reselect, based on the one or more resources of the set of resources being unavailable, another resource for transmission of the information to the other UE. Numerous other aspects are provided.

Method and apparatus for redundancy improvement in a communication system

A method, apparatus and computer program product receive a traffic redundancy indication from a user equipment in a communication network or from a policy controller. The method, apparatus and computer program product determine whether traffic redundancy is needed for the radio access network and the user plane function based on the traffic redundancy indication. The method, apparatus and computer program product request the radio access network to not establish redundancy mechanisms in a circumstance where traffic redundancy is not needed for the radio access network. The method, apparatus and computer program product request the user plane function to not establish redundancy mechanisms in a circumstance where traffic redundancy is not needed for the user plane function.

Systems and methods for prioritizing packet retransmission

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.

Systems and methods for determining initial channel quality conditions of a channel for provision of content

A device may receive channel data associated with a channel provided between a network and a user device, and may calculate, based on the channel data, key performance indicator data that includes a plurality of key performance indicators for the channel. The device may multiply the plurality of key performance indicators by factors to generate factored key performance indicator data that includes a plurality of factored key performance indicators. The device may apply weights to the plurality of factored key performance indicators of the factored key performance indicator data to generate factored weighted key performance indicator data that includes a plurality of factored weighted key performance indicators. The device may calculate a quality indicator for the channel based on the factored weighted key performance indicator data, and may perform one or more actions based on the quality indicator for the channel.

METHOD AND APPARATUS FOR LINK ADAPTATION IN A MIXED TRAFFIC ENVIRONMENT
20210160000 · 2021-05-27 ·

The present disclosure provides a method for performing link adaptation at a network node in a wireless communication network, which may include identifying first traffic and second traffic included in transmission between the network node and a user equipment, wherein the first traffic is related to first service having a first quality of service (QoS) requirement, and the second traffic is related to second service having a second QoS requirement; and applying a first link adaptation loop catering for the first QoS requirement to the first traffic, and applying a second link adaptation loop catering for the second QoS requirement to the second traffic. In one example, the second link adaptation loop is independent from the first link adaptation loop. In another example, the second link adaptation loop is dependent on the first link adaptation loop.

SELECTION OF MODULATION AND CODING SCHEMES FOR CONTROL INFORMATION MULTIPLEXED WITH DATA

The present disclosure addresses selection of a modulation and coding scheme (MCS) for control information multiplexed on a data channel. A spectral efficiency associated with control information may be derived as a function of a spectral efficiency associated with data. A modulation order and/or code rate may be selected that is suitable for the spectral efficiency associated with the data. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to determine a first MCS for control information based on spectral efficiency associated with transmission of data, and further configured to transmit the control information with the first MCS, the control information being multiplexed with data.

Camera communication channel selection

Adjusting communication channels used by camera to communicate with a base station are described. In one aspect, characteristics of communication channels can be determined and the operation of the camera can be adjusted to use a communication channel based on a comparison of the characteristics of multiple communication channels.

RECEIVER CONTROL APPARATUS AND METHOD FOR SIMULTANEOUS WIRELESS INFORMATION AND POWER TRANSMISSION OPERATING IN DUAL MODE

A method of performing adaptive mode switching in a transmitter of a dual mode simultaneous wireless information and power transmission (SWIPT) system, incudes receiving received power of a receiver in a channel; comparing the received power with a predetermined threshold value; selecting one of a single tone mode or a multi-tone mode as a single/multi-tone mode based on the comparison result; selecting a modulation index based on the selected single/multi-tone mode and the received power; and transmitting the selected single/multi-tone mode, the selected modulation index, and a duty cycle to the receiver. The duty cycle is determined based on at least one of power consumed for decoding a single tone signal, power consumed for decoding a multi-tone signal, and power harvested during the channel by the receiver.