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US-12621194-B2 - Enhanced integrated sensing and communications waveform

US12621194B2US 12621194 B2US12621194 B2US 12621194B2US-12621194-B2

Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter node may determine a set of parameters for a waveform to be transmitted by the transmitter node, wherein the waveform is to use an allocated bandwidth that is larger than a sweeping bandwidth of a frequency modulated continuous wave (FMCW) chirp. The transmitter node may transmit the waveform according to the set of parameters. Numerous other aspects are described.

Inventors

  • Preeti Kumari
  • Juergen Cezanne
  • Kapil Gulati
  • Gene Wesley Marsh
  • Timo Ville Vintola

Assignees

  • QUALCOMM INCORPORATED

Dates

Publication Date
20260505
Application Date
20240919

Claims (20)

  1. 1 . A transmitter node for wireless communication, the transmitter node comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the transmitter node to: determine a set of parameters for a waveform to be transmitted by the transmitter node, wherein the waveform is to utilize an allocated bandwidth that is larger than a sweeping bandwidth of a frequency modulated continuous wave (FMCW) chirp; and transmit the waveform according to the set of parameters.
  2. 2 . The transmitter node of claim 1 , wherein the waveform is a sensing waveform.
  3. 3 . The transmitter node of claim 1 , wherein the waveform is an orthogonal frequency division multiplexing (OFDM)-based waveform.
  4. 4 . The transmitter node of claim 1 , wherein the FMCW chirp is a linear frequency modulation (LFM) chirp.
  5. 5 . The transmitter node of claim 1 , wherein the waveform is based at least in part on an enhanced aliased Zadoff-Chu sequence.
  6. 6 . The transmitter node of claim 1 , wherein the waveform is based at least in part on an enhanced truncated Zadoff-Chu sequence.
  7. 7 . The transmitter node of claim 1 , wherein the set of parameters includes one or more parameters associated with determining the sweeping bandwidth of the FMCW chirp.
  8. 8 . The transmitter node of claim 7 , wherein the one or more parameters include a parameter indicating an integer number of resource blocks and a parameter indicating a subcarrier spacing.
  9. 9 . The transmitter node of claim 7 , wherein the one or more parameters include a parameter indicating a Zadoff-Chu equivalent integer number of resource blocks and a parameter indicating an expansion factor.
  10. 10 . The transmitter node of claim 1 , wherein the set of parameters includes one or more parameters associated with determining a time duration of the FMCW chirp.
  11. 11 . The transmitter node of claim 10 , wherein the one or more parameters include a parameter indicating a number of symbol durations.
  12. 12 . The transmitter node of claim 10 , wherein the one or more parameters include a parameter indicating a sequence length.
  13. 13 . The transmitter node of claim 1 , wherein the set of parameters includes a parameter indicating a sampling time.
  14. 14 . The transmitter node of claim 1 , wherein the set of parameters includes a parameter indicating a chirp type.
  15. 15 . The transmitter node of claim 1 , wherein the set of parameters includes a parameter indicating a sampling frequency.
  16. 16 . The transmitter node of claim 1 , wherein the set of parameters is determined based at least in part on an index indicating a particular set of parameters, the particular set of parameters being one of a plurality of sets of parameters indicated in a codebook table configured on the transmitter node.
  17. 17 . The transmitter node of claim 1 , wherein the set of parameters is determined based at least in part on an indication indicating a value, the value being one of a plurality of values that are configured on the transmitter node.
  18. 18 . The transmitter node of claim 1 , wherein the set of parameters includes one or more parameters associated with a rule, associated with generating the waveform, configured on the transmitter node.
  19. 19 . The transmitter node of claim 1 , wherein the waveform is associated with a time-frequency comb type and a repetition parameter within a coherent processing interval (CPI).
  20. 20 . The transmitter node of claim 1 , wherein the waveform is associated with a circulant shift.

Description

FIELD OF THE DISCLOSURE Aspects of the present disclosure generally relate to wireless communication and specifically relate to techniques, apparatuses, and methods associated with an enhanced integrated sensing and communications waveform. BACKGROUND Wireless communication systems are widely deployed to provide various services, which may involve carrying or supporting voice, text, other messaging, video, data, and/or other traffic. Typical wireless communication systems may employ multiple-access radio access technologies (RATs) capable of supporting communication among multiple wireless communication devices including user devices or other devices by sharing the available system resources (for example, time domain resources, frequency domain resources, spatial domain resources, and/or device transmit power, among other examples). Such multiple-access RATs are supported by technological advancements that have been adopted in various telecommunication standards, which define common protocols that enable different wireless communication devices to communicate on a local, municipal, national, regional, or global level. An example telecommunication standard is New Radio (NR). NR, which may also be referred to as 5G, is part of a continuous mobile broadband evolution promulgated by the Third Generation Partnership Project (3GPP). NR (and other RATs beyond NR) may be designed to better support enhanced mobile broadband (eMBB) access, Internet of things (IoT) networks or reduced capability device deployments, and ultra-reliable low latency communication (URLLC) applications. To support these verticals, NR systems may be designed to implement a modularized functional infrastructure, a disaggregated and service-based network architecture, network function virtualization, network slicing, multi-access edge computing, millimeter wave (mmWave) technologies including massive multiple-input multiple-output (MIMO), licensed and unlicensed spectrum access, non-terrestrial network (NTN) deployments, sidelink and other device-to-device direct communication technologies (for example, cellular vehicle-to-everything (CV2X) communication), multiple-subscriber implementations, high-precision positioning, and/or radio frequency (RF) sensing, among other examples. As the demand for connectivity continues to increase, further improvements in NR may be implemented, and other RATs, such as 6G and beyond, may be introduced to enable new applications and facilitate new use cases. SUMMARY Some aspects described herein relate to a method of wireless communication performed by a transmitter node. The method may include determining a set of parameters for a waveform to be transmitted by the transmitter node, where the waveform is to use an allocated bandwidth that is larger than a sweeping bandwidth of a frequency modulated continuous wave (FMCW) chirp. The method may include transmitting the waveform according to the set of parameters. Some aspects described herein relate to a method of wireless communication performed by a network entity. The method may include determining a set of parameters for a waveform to be transmitted by a transmitter node, where the waveform is to use an allocated bandwidth that is larger than a sweeping bandwidth of an FMCW chirp. The method may include transmitting information associated with the set of parameters for reception by the transmitter node. Some aspects described herein relate to a method of wireless communication performed by a network entity. The method may include determining a set of parameters for a first waveform to be transmitted by a first transmitter node, the set of parameters including one or more parameters for a transition region for the first waveform, where the transition region is a region of a frequency spectrum of the first waveform in which a power spectral density is less than an average power spectral density of a core region of the frequency spectrum of the first waveform. The method may include transmitting scheduling information for the first transmitter node to transmit the first waveform according to the set of parameters. Some aspects described herein relate to a method of wireless communication performed by a transmitter node. The method may include receiving scheduling information associated with transmitting a waveform according to a set of parameters, wherein the set of parameters includes one or more parameters for a transition region for the waveform, where the transition region is a region of a frequency spectrum of the waveform in which a power spectral density is less than an average power spectral density of a core region of the frequency spectrum of the waveform. The method may include transmitting the waveform based at least in part on the scheduling information and according to the set of parameters. Some aspects described herein relate to a transmitter node for wireless communication. The transmitter node may include one or more memories and one or more proc