CN-121986523-A - Systems, methods, and non-transitory computer readable media for A-IOT location

Abstract

The present disclosure relates to systems, apparatuses, methods, and non-transitory computer-readable media for transmitting, by a communication node, a pulsed signal to an environment-powered internet of things (a-IoT) device, receiving, by the communication node, a reflected pulsed signal from the a-IoT device based on a set of configurations determined by at least one of the communication node or a network entity, and reporting, by the communication node, a measurement of the reflected pulsed signal to the network entity.

Inventors

• SHI RONGWEI
• JIANG CHUANGXIN
• WANG CONG
• PENG FOCAI
• LOU JUNPENG

Assignees

• 中兴通讯股份有限公司

Dates

Publication Date

20260505

Application Date

20231016

Claims (20)

1. 1. A method of wireless communication, comprising: transmitting, by the communication node, a pulse signal to an environmentally-powered internet of things (a-IoT) device; Receiving, by the communication node, a reflected pulsed signal from the A-IoT device, wherein the reflected pulsed signal is based on a set of configurations determined by the communication node or a network entity, the reflected pulsed signal being modulated by the received pulsed signal, and Reporting, by the communication node, a measurement of the reflected pulse signal to the network entity.
2. 2. The method of claim 1, wherein the pulse signal is periodically transmitted by the communication node.
3. 3. The method of claim 1, wherein the a-IoT device receives the pulse signal in each of a plurality of periods and charges the a-IoT device in each of the plurality of periods.
4. 4. The method of claim 3, wherein, in response to charging the a-IoT device, the a-IoT device reflects the received pulse signal as the reflected pulse signal and quiets the a-IoT device.
5. 5. The method of claim 1, wherein at least one of the pulsed signal and the reflected pulsed signal is configured by a Pulse Width (PW) configuration including at least one of a period for transmitting the pulsed signal, an offset for transmitting and reflecting the pulsed signal, a PW transmitting the pulsed signal, a PW charged with the pulsed signal, and a PW of the reflected pulsed signal.
6. 6. The method of claim 5, wherein the period for transmitting the pulse signal is used to determine a period length for which the communication node transmits the pulse signal.
7. 7. The method of claim 5, wherein the offset used to transmit and reflect the pulse signal is used to determine an interval between an end of the transmitted pulse signal and a beginning of the reflected pulse signal.
8. 8. A method as in claim 5, wherein the PW transmitting the pulsed signal is used to determine the PW of the pulsed signal transmitted by the communication node.
9. 9. The method of claim 5, wherein the PW charged with the pulse signal is used to determine a pulse time for the a-IoT device to charge itself.
10. 10. A method as in claim 5, wherein the PW of the reflected pulse signal is used to determine the PW of the reflected pulse signal.
11. 11. A method as in claim 5, wherein the PW configuration is determined by the network entity or the communication node.
12. 12. The method of claim 5, wherein The PW configuration being determined by the network entity, and There is one of the following: The network entity sending the PW configuration to the communication node and the communication node sending the PW configuration to the A-IoT device, or The network entity sends the PW configuration to the a-IoT device.
13. 13. The method of claim 1, wherein the a-IoT device processes the received pulse signal jointly in a time domain and a code domain.
14. 14. The method of claim 13, wherein The a-IoT device corresponds to a coding sequence and a chip sequence; The a-IoT device reflecting a first bit value by reflecting the sequence of chips; The a-IoT device reflecting a second bit value by reflecting an inverse of the sequence of chips; The plurality of chip sequences of a plurality of a-IoT devices are orthogonal to each other, the plurality of a-IoT devices comprising the a-IoT device.
15. 15. The method of claim 14, wherein at least one of the coding sequence or the chip sequence of the IoT device is configured or predefined by the network entity.
16. 16. The method of claim 15, wherein There is one of the following: the network entity sends at least one of a list of coding sequences or a list of chip sequences directly to the plurality of IoT devices, or The network entity transmits at least one of the coded sequence list or the chip sequence list to the communication node, and the communication node transmits at least one of the coded sequence list or the chip sequence list to the plurality of IoT devices; The list of coding sequences indicates a relationship between a plurality of coding sequences and the plurality of IoT devices, an The list of chip sequences indicates a relationship between the plurality of chip sequences and the plurality of IoT devices.
17. 17. A method as defined in claim 16, wherein the PW configuration comprises at least one of the list of coding sequences or the list of chip sequences.
18. 18. The method of claim 17, wherein Each a-IoT device of the plurality of a-IoT devices reporting a coding sequence and a chip sequence to the network entity; the network entity combines the coding sequences into the coding sequence list and combines the chip sequences into the chip sequence list.
19. 19. The method of claim 1, wherein a Frequency Division Multiplexing (FDM) method is used to separate channels of different communication nodes that transmit different pulse signals, the pulse signals comprising the pulse signals, and the communication nodes comprising the communication nodes.
20. 20. The method of claim 19, further comprising: an allocated subband is received by the communication node from the network entity, wherein the network entity is configured to send different subbands to the different communication nodes.

Description

Systems, methods, and non-transitory computer readable media for A-IOT location Technical Field The present disclosure relates generally to wireless communications, and more particularly to systems, methods, and non-transitory computer readable media for determining a location of an environment-powered internet of things (a-IoT) device. Background A-IoT devices have become an effective solution for low cost Internet of things (Internet-of-Things, ioT). Without a power module, the a-IoT devices may be conveniently deployed in many application scenarios, such as inventory, sensor data acquisition, tracking, and actuator control. Positioning is an important function of a-IoT devices. With the positioning service, the location of the target device can be determined quickly and accurately. The bandwidth supported by a-IoT devices is limited due to the ultra-low power consumption and low complexity features. For example, type a-IoT devices can only support 180 KHz bandwidth. Disclosure of Invention Example arrangements disclosed herein are directed to solving problems associated with one or more problems presented in the prior art and providing additional features that will become readily apparent upon reference to the following detailed description when taken in conjunction with the accompanying drawings. According to various arrangements, example systems, methods, apparatus, and computer program products are disclosed herein. However, it should be understood that these arrangements are presented by way of example and not limitation, and that various modifications to the disclosed arrangements may be made without departing from the scope of the disclosure as would be apparent to one of ordinary skill in the art from reading this disclosure. Some arrangements of the present disclosure relate to systems, methods, apparatuses, and non-transitory computer-readable media for transmitting, by a communication node, a pulse signal to an a-IoT device, receiving, by the communication node, a reflected pulse signal from the a-IoT device, the reflected pulse signal comprising a modulated pulse signal, and reporting, by the communication node, a measurement of the reflected pulse signal to a network entity. Some arrangements of the present disclosure relate to systems, methods, apparatuses, and non-transitory computer-readable media for receiving, by an a-IoT device, a pulse signal from a communication node, and reflecting, by the a-IoT device, the pulse signal as a reflected pulse signal. The reflected pulse signal comprises a modulated pulse signal. The communication node receives the reflected pulse signal and measures the reflected pulse signal and sends the measurement result to the network entity. The above and other aspects and embodiments thereof are described in more detail in the accompanying drawings, description and claims. Drawings Various example arrangements of the present solution are described in detail below with reference to the following figures or drawings. These figures are provided for illustrative purposes only and depict only example arrangements of the present solution to facilitate the reader's understanding of the present solution. Accordingly, these drawings should not be taken as limiting the breadth, scope, or applicability of the present solution. It should be noted that for clarity and ease of illustration, the drawings are not necessarily made to scale. Fig. 1 is a flow diagram of an example method for performing a-IoT device positioning in accordance with various arrangements. Fig. 2 is a diagram illustrating link timing for a-IoT device positioning with pulsed signals, according to various arrangements. Fig. 3 is a signaling diagram illustrating an example method of LMF providing PW configuration, according to various arrangements. Fig. 4 is a signaling diagram illustrating an example method of an LMF providing PW configuration, according to various arrangements. Fig. 5 is a signaling diagram illustrating an example method for a communication node to provide PW configuration, according to various arrangements. Fig. 6 is a diagram illustrating a communication node processing pulse signals for a-IoT device positioning jointly with TDM and CDM to distinguish reflected signals of different a-IoT devices in accordance with various arrangements. Fig. 7 is a signaling diagram illustrating an example method by which a communication node provides PW configuration and an a-IoT device provides its coding sequence and chip sequence, according to various arrangements. Fig. 8 is a diagram illustrating multiplexing of different communication nodes in different subbands according to various arrangements. Fig. 9 is a diagram illustrating multiplexing of different communication nodes in different subbands according to various arrangements. Fig. 10 is a diagram illustrating a location of a communication node relative to an a-IoT device in accordance with various arrangements. Fig. 11 is a diagram illustratin