US-12621796-B2 - Early indication of a message type for unmanned aerial vehicles

US12621796B2US 12621796 B2US12621796 B2US 12621796B2US-12621796-B2

Abstract

Methods, systems, and devices for wireless communication are described. An aerial vehicle (a transmitting device) may transmit control information that indicates a message type of a message. The message type may be one of multiple aerial vehicle broadcast message types, such as an aerial vehicle-to-aerial vehicle message type or an aerial vehicle-to-terrestrial user equipment (UE) message type. The transmitting device may transmit the message to a receiving device (e.g., another aerial vehicle or a terrestrial UE) in accordance with the indicated message type. For example, the transmitting device may transmit an aerial vehicle-to-aerial vehicle message to another nearby aerial vehicle or an aerial vehicle-to-terrestrial UE message to a terrestrial UE. As such, a receiving device may be aware of a message type and determine whether to decode the message accordingly.

Inventors

Vishnu Vardhan CHETLUR RAVI
Le Liu
Stefano Faccin
Umesh Phuyal
Alberto RICO ALVARINO
Hong Cheng
Prasad Reddy Kadiri

Assignees

QUALCOMM INCORPORATED

Dates

Publication Date: 20260505
Application Date: 20230217

Claims (20)

1 . An apparatus for wireless communication at a transmitting device of an aerial vehicle, comprising: one or more processors; one or more memories coupled with the one or more processors; and instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to: transmit control information that indicates a message type of a message, wherein the message type indicated by the control information is one of a plurality of aerial vehicle broadcast message types and the control information is indicative of the message type using a destination identifier, a source identifier, or combination thereof, wherein the source identifier includes a first portion that is in sidelink control information and a second portion that is in a medium access control subheader; and transmit the message in accordance with the indicated message type.
2 . The apparatus of claim 1 , wherein the destination identifier is a common destination identifier that is common regardless of whether the message type is a first type of the plurality of aerial vehicle broadcast message types or a second type of the plurality of aerial vehicle broadcast message types, wherein the control information is indicative of the message type through at least one of a quality-of-service profile associated with the message, a reserved periodicity associated with the message, or a source identifier associated with one of the first type of the plurality of aerial vehicle broadcast message types or the second type of the plurality of aerial vehicle broadcast message types.
3 . The apparatus of claim 1 , wherein the destination identifier is a common destination identifier that is common regardless of whether the message type is a first type of the plurality of aerial vehicle broadcast message types or a second type of the plurality of aerial vehicle broadcast message types, wherein the control information is indicative of the message type through a set of priority bits associated with the message.
4 . The apparatus of claim 1 , wherein the destination identifier is a common destination identifier that is common regardless of whether the message type is a first type of the plurality of aerial vehicle broadcast message types or a second type of the plurality of aerial vehicle broadcast message types, wherein the control information is indicative of the message type through a resource reservation period associated with a periodicity of the message.
5 . The apparatus of claim 1 , wherein the control information is indicative of the message type through one of a first common destination identifier associated with a first type of the plurality of aerial vehicle broadcast message types or a second common destination identifier associated with a second type of the plurality of aerial vehicle broadcast message types, wherein at least one of the first common destination identifier or the second common destination identifier is specific to a geographic region in which the aerial vehicle transmits the control information.
6 . The apparatus of claim 5 , wherein the control information includes a source-layer identifier in addition to one of the first common destination identifier or the second common destination identifier.
7 . The apparatus of claim 1 , wherein the control information is indicative of the message type through one of a first source identifier associated with a first type of the plurality of aerial vehicle broadcast message types or a second source identifier associated with a second type of the plurality of aerial vehicle broadcast message types, wherein at least one of the first source identifier or the second source identifier is specific to a geographic region in which the aerial vehicle transmits the control information.
8 . The apparatus of claim 1 , wherein both the first portion of the source identifier and the second portion of the source identifier are indicative of the message type.
9 . The apparatus of claim 1 , wherein the first portion of the source identifier is indicative of the message type, and wherein the second portion of the source identifier is not indicative of the message type.
10 . The apparatus of claim 1 , wherein the second portion of the source identifier is indicative of the message type, and wherein the first portion of the source identifier is not indicative of the message type.
11 . The apparatus of claim 1 , wherein at least one of the first portion of the source identifier or the second portion of the source identifier indicates a broadcast remote identifier.
12 . The apparatus of claim 1 , wherein the control information includes a signaling bit that indicates whether the source identifier included in the control information is indicative of the message type.
13 . The apparatus of claim 1 , wherein the control information is indicative of the message type through the source identifier which is provided to an aerial device by a network.
14 . The apparatus of claim 1 , wherein the control information is indicative of the message type through a logical channel identifier.
15 . The apparatus of claim 1 , wherein the plurality of aerial vehicle broadcast message types includes an aerial vehicle-to-aerial vehicle communications type or an aerial vehicle-to-terrestrial communications type.
16 . The apparatus of claim 15 , wherein the aerial vehicle-to-aerial vehicle communications type is associated with one or more types of a detect and avoid message and the aerial vehicle-to-terrestrial communications type is associated with a broadcast remote identifier message.
17 . An apparatus for wireless communication at a receiving device, comprising: one or more processors; one or more memories coupled with the one or more processors; and instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to: receive control information, from a transmitting device of an aerial vehicle, that indicates a message type of a message, wherein the message type indicated by the control information is one of a plurality of aerial vehicle broadcast message types and the control information is indicative of the message type using a destination identifier, a source identifier, or combination thereof, wherein the source identifier includes a first portion that is in sidelink control information and a second portion that is in a medium access control subheader; and receive the message in accordance with the indicated message type.
18 . The apparatus of claim 17 , wherein the instructions are further executable by the processor to cause the apparatus to: determine whether to decode the message based at least in part on the indicated message type and on a receiving device type of the receiving device.
19 . The apparatus of claim 17 , wherein the destination identifier is a common destination identifier that is common regardless of whether the message type is a first type of the plurality of aerial vehicle broadcast message types or a second type of the plurality of aerial vehicle broadcast message types, wherein the control information is indicative of the message type through at least one of a quality-of-service profile associated with the message, a reserved periodicity associated with the message, or a source identifier associated with one of the first type of the plurality of aerial vehicle broadcast message types or the second type of the plurality of aerial vehicle broadcast message types.
20 . The apparatus of claim 17 , wherein the destination identifier is a common destination identifier that is common regardless of whether the message type is a first type of the plurality of aerial vehicle broadcast message types or a second type of the plurality of aerial vehicle broadcast message types, wherein the control information is indicative of the message type through a set of priority bits associated with the message.

Description

FIELD OF TECHNOLOGY The following relates to wireless communication, including early indication of a message type for unmanned aerial vehicles (UAVs). BACKGROUND Wireless communications systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems may be capable of supporting communication with multiple users by sharing the available system resources (e.g., time, frequency, and power). Examples of such multiple-access systems include fourth generation (4G) systems such as Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems, and fifth generation (5G) systems which may be referred to as New Radio (NR) systems. These systems may employ technologies such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), or discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM). A wireless multiple-access communications system may include one or more base stations, each supporting wireless communication for communication devices, which may be known as user equipment (UE). A wireless communications system may support communications between terrestrial wireless devices (e.g., UEs, network entities) and unmanned aerial vehicles (UAVs). Such devices may perform different types of communications intended for various receivers. For example, a UAV may transmit different messages intended for terrestrial devices or other UAVs. However, receiving devices may be unaware of which messages from the UAV are intended for them, and as such, may use excessive power and resources to decode the messages, only to discover that the messages were not intended for the receiving devices. SUMMARY The described techniques relate to improved methods, systems, devices, and apparatuses that support early indication of a message type for unmanned aerial vehicles (UAVs). For example, the described techniques provide for a UAV (e.g., a transmitting device) to transmit control information that indicates a message type of a message, such as a physical sidelink shared channel (PSSCH) message. The message type may be one of multiple UAV broadcast message types, including UAV-to-UAV messages or UAV-to-terrestrial user equipment (UE) messages. For example, a UAV-to-UAV message may include a type of detect and avoid (DAA) message and a UAV-to-terrestrial UE message may include a broadcast remote identifier (BRID) message. Other types of messages may be broadcast, and there may even be various types of DAA or BRID messages. The UAV may transmit the message (e.g., a PSSCH message) to a receiving device (another UAV or a terrestrial UE) in accordance with the indicated message type. For example, the UAV may transmit a first type of UAV broadcast message to a second UAV and a second type of UAV broadcast message to a terrestrial UE. In this way, because of the early indication in the control information, a receiving device may be aware of the message type and determine whether to decode the corresponding message based on the indicated message type and a type of the receiving device. A method for wireless communication at a transmitting device of an aerial vehicle is described. The method may include transmitting control information that indicates a message type of a sidelink shared channel message, where the message type indicated by the control information is one of a set of multiple aerial vehicle broadcast message types and transmitting the sidelink shared channel message in accordance with the indicated message type. An apparatus for wireless communication at a transmitting device of an aerial vehicle is described. The apparatus may include a processor, memory coupled with the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the apparatus to transmit control information that indicates a message type of a sidelink shared channel message, where the message type indicated by the control information is one of a set of multiple aerial vehicle broadcast message types and transmit the sidelink shared channel message in accordance with the indicated message type. Another apparatus for wireless communication at a transmitting device of an aerial vehicle is described. The apparatus may include means for transmitting control information that indicates a message type of a sidelink shared channel message, where the message type indicated by the control information is one of a set of multiple aerial vehicle broadcast message types and means for transmitting the sidelink shared channel message in accordance with the indicated message type. A non-transitory computer-readable medium storing code for wireless communication at a transmitting device of an aerial vehicle is described. The code may include instructions executable by a processor to transmit control inf