CN-122029779-A - Multicarrier on-off keying communications

Abstract

Certain aspects of the present disclosure provide techniques for multicarrier on-off keying communications. A method for wireless communication by an apparatus includes receiving a signal including a plurality of carrier frequencies modulated with on-off keying, decoding the signal based at least in part on an incremental frequency associated with a first carrier frequency and a second carrier frequency of the plurality of carrier frequencies, and recovering data from the decoded signal.

Inventors

• TIAN QINGJIANG
• J.SUN
• P. GUPTA
• FAN ZHIFEI
• R. Patshawa
• ZHANG XIAOXIA

Assignees

• 高通股份有限公司

Dates

Publication Date

20260512

Application Date

20241003

Priority Date

20231026

Claims (20)

1. 1. An apparatus configured for wireless communication, the apparatus comprising: One or more memories, and One or more processors coupled to the one or more memories, the one or more processors configured to cause the apparatus to: A signal comprising a plurality of carrier frequencies modulated with on-off keying is received, Decoding the signal based at least in part on the incremental frequency being associated with a first carrier frequency and a second carrier frequency of the plurality of carrier frequencies, an Recovering data from the decoded signal.
2. 2. The device of claim 1, wherein the delta frequency defines a difference between the first carrier frequency and the second carrier frequency.
3. 3. The apparatus of claim 1, the apparatus further comprising: A first rectifier having an input and an output; A first filter having an input coupled to the output of the first rectifier and having an output; a second rectifier having an input coupled to the output of the first filter and having an output, and A second filter having an input coupled to the output of the second rectifier.
4. 4. A device according to claim 3, wherein: the first rectifier is configured to rectify the signal and output a first rectified signal; the first filter is configured to filter the first rectified signal in one or more pass bands and output a first filtered signal, wherein the delta frequency is in at least one of the one or more pass bands; the second rectifier is configured to rectify the first filtered signal and output a second rectified signal, and The second filter is configured to filter the second rectified signal and output a modulated amplitude signal as the decoded signal.
5. 5. The apparatus of claim 1, wherein the second carrier frequency is adjacent to the first carrier frequency.
6. 6. The apparatus of claim 1, wherein the plurality of carrier frequencies comprises a third carrier frequency disposed between the first carrier frequency and the second carrier frequency.
7. 7. The apparatus of claim 1, wherein to decode the signal, the one or more processors are configured to cause the apparatus to decode the signal based at least in part on a plurality of delta frequencies associated with the plurality of carrier frequencies, the plurality of delta frequencies including the delta frequency.
8. 8. The apparatus of claim 7, wherein: the one or more processors are configured to cause the apparatus to monitor for interference associated with the signal, and To decode the signal, the one or more processors are configured to cause the apparatus to decode the signal based at least in part on the monitored interference.
9. 9. The apparatus of claim 7, wherein the one or more processors are configured to cause the apparatus to receive an indication of at least one delta frequency of the plurality of delta frequencies for decoding.
10. 10. The apparatus of claim 1, wherein: the one or more processors are configured to cause the apparatus to transmit an indication of one or more delta frequencies that the apparatus is capable of decoding the signal, and The one or more delta frequencies include the delta frequency.
11. 11. The apparatus of claim 1, wherein the one or more processors are configured to cause the apparatus to receive an indication of one or more frequency intervals arranged among the plurality of carrier frequencies.
12. 12. The apparatus of claim 11, wherein to receive the indication of the one or more frequency intervals arranged among the plurality of carrier frequencies, the one or more processors are configured to cause the apparatus to receive the indication via at least one of Radio Resource Control (RRC) signaling, medium Access Control (MAC) signaling, downlink Control Information (DCI), side-link control information (SCI), or system information.
13. 13. The apparatus of claim 1, wherein one or more frequency intervals disposed among the plurality of carrier frequencies are defined based on a frequency band including the plurality of carrier frequencies.
14. 14. The apparatus of claim 1, to decode the signal, the one or more processors are configured to cause the apparatus to decode the signal based at least in part on blind detection of the incremental frequency.
15. 15. The apparatus of claim 1, wherein: The one or more processors are configured to cause the apparatus to receive an indication of the plurality of carrier frequencies associated with the signal, and To decode the signal, the one or more processors are configured to cause the apparatus to decode the signal based on the indication of the plurality of carrier frequencies.
16. 16. An apparatus configured for wireless communication, the apparatus comprising: One or more memories, and One or more processors coupled to the one or more memories, the one or more processors configured to cause the apparatus to: obtaining an indication of one or more delta frequencies for decoding a multicarrier signal modulated with on-off keying, the one or more delta frequencies comprising delta frequencies, and Transmitting a signal comprising a plurality of carrier frequencies modulated with the on-off keying, wherein the plurality of carrier frequencies comprises a first carrier frequency and a second carrier frequency, wherein the delta frequency is associated with the first carrier frequency and the second carrier frequency, and wherein the signal comprises data.
17. 17. The device of claim 16, wherein the delta frequency defines a difference between the first carrier frequency and the second carrier frequency.
18. 18. The apparatus of claim 16, wherein the second carrier frequency is adjacent to the first carrier frequency.
19. 19. The apparatus of claim 16, wherein the plurality of carrier frequencies comprises a third carrier frequency disposed between the first carrier frequency and the second carrier frequency.
20. 20. The apparatus of claim 16, wherein the one or more processors are configured to cause the apparatus to: Monitoring interference associated with the signal, and The plurality of carrier frequencies forming the one or more delta frequencies are selected.

Description

Multicarrier on-off keying communications Cross Reference to Related Applications The present application claims priority from U.S. patent application Ser. No. 18/494,901, entitled "Multi-Carrier ON-off keying communication," filed ON 10/26, 2023, the entire contents of which are incorporated herein by reference. Introduction to the invention Technical Field Aspects of the present disclosure relate to wireless communications, and more particularly to techniques for multi-carrier on-off keying (OOK) communications. Description of related Art Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, broadcast, or other similar types of services. These wireless communication systems may employ multiple-access techniques that are capable of supporting communication with multiple users by sharing the available wireless communication system resources with those users. Despite the tremendous technological advances made over the years in wireless communication systems, challenges remain. For example, complex and dynamic environments may still attenuate or block signals between a wireless transmitter and a wireless receiver. Accordingly, there is a continuing desire to improve the technical performance of wireless communication systems, including, for example, improving the speed and data carrying capacity of communications, improving the efficiency of use of shared communication media, reducing the power used by transmitters and receivers in performing communications, improving the reliability of wireless communications, avoiding redundant transmissions and/or receptions and associated processing, improving the coverage area of wireless communications, increasing the number and types of devices accessible to the wireless communication system, increasing the ability of different types of devices to communicate with each other, increasing the number and types of wireless communication media available for use, and the like. Accordingly, there is a need for further improvements in wireless communication systems to overcome the foregoing technical challenges and others. Disclosure of Invention One aspect provides a method for wireless communication by an apparatus. The method includes receiving a signal including a plurality of carrier frequencies modulated with on-off keying, decoding the signal based at least in part on an incremental frequency associated with a first carrier frequency and a second carrier frequency of the plurality of carrier frequencies, and recovering data from the decoded signal. Another aspect provides a method for wireless communication by an apparatus. The method includes obtaining an indication of one or more delta frequencies for decoding a multicarrier signal modulated with on-off keying, the one or more delta frequencies comprising a delta frequency, and transmitting a signal comprising a plurality of carrier frequencies modulated with on-off keying, wherein the plurality of carrier frequencies comprises a first carrier frequency and a second carrier frequency, wherein the delta frequency is associated with the first carrier frequency and the second carrier frequency, and wherein the signal comprises data. Other aspects provide one or more devices operable to, configured or otherwise adapted to perform any portion of any of the methods described herein (e.g., such that execution may be performed by only one device or in a distributed manner across multiple devices), one or more non-transitory computer-readable media comprising instructions that, when executed by one or more processors of one or more devices, cause the one or more devices to perform any portion of any of the methods described herein (e.g., such that the instructions may be included in only one computer-readable medium or in a distributed manner across multiple computer-readable media, such that the instructions may be executed by only one processor or in a distributed manner across multiple processors, such that each of the one or more devices may include one or more processors, and/or such that execution may be performed by only one device or more devices, such as in a distributed manner across one or more devices), one or more computer-readable media storing any portion of any of the methods described herein (e.g., such that may be included in any portion of the computer-readable media) may be included in a computer-readable medium (e.g., such that the instructions may be included in any portion of any of the computer-readable medium or a computer-readable medium may be stored in any of the computer-readable medium or a computer-readable medium, such that may be stored in any portion of any of the computer-readable medium or a medium (e.g., such that the computer-readable medium) may be stored in any portion of any computer-readable medium or a medium that may be stored medium or a medium that may be stored medium, for example, such that exec