WO2023056173A1 - Techniques pour fournir des informations associées à une densité spectrale de puissance - Google Patents

Techniques pour fournir des informations associées à une densité spectrale de puissance Download PDF

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Publication number
WO2023056173A1
WO2023056173A1 PCT/US2022/076322 US2022076322W WO2023056173A1 WO 2023056173 A1 WO2023056173 A1 WO 2023056173A1 US 2022076322 W US2022076322 W US 2022076322W WO 2023056173 A1 WO2023056173 A1 WO 2023056173A1
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WIPO (PCT)
Prior art keywords
information
wcd
communication
psd
transmission
Prior art date
Application number
PCT/US2022/076322
Other languages
English (en)
Inventor
Navid Abedini
Jianghong LUO
Luca Blessent
Tao Luo
Original Assignee
Qualcomm Incorporated
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US17/931,357 external-priority patent/US20230094729A1/en
Application filed by Qualcomm Incorporated filed Critical Qualcomm Incorporated
Priority to CN202280064194.4A priority Critical patent/CN118020355A/zh
Priority to KR1020247009807A priority patent/KR20240068654A/ko
Publication of WO2023056173A1 publication Critical patent/WO2023056173A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range

Definitions

  • aspects of the present disclosure generally relate to wireless communication and to techniques and apparatuses for providing information associated with a power spectral density.
  • Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts.
  • Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, or the like).
  • multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC- FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and Long Term Evolution (LTE).
  • LTE/LTE- Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).
  • UMTS Universal Mobile Telecommunications System
  • a wireless network may include one or more base stations that support communication for a user equipment (UE) or multiple UEs.
  • a UE may communicate with a base station via downlink communications and uplink communications.
  • Downlink (or “DL”) refers to a communication link from the base station to the UE
  • uplink (or “UL”) refers to a communication link from the UE to the base station.
  • New Radio which may be referred to as 5G, is a set of enhancements to the UTE mobile standard promulgated by the 3GPP.
  • NR is designed to better support mobile broadband internet access by improving spectral efficiency, lowering costs, improving services, making use of new spectrum, and better integrating with other open standards using orthogonal frequency division multiplexing (OFDM) with a cyclic prefix (CP) (CP-OFDM) on the downlink, using CP-OFDM and/or single-carrier frequency division multiplexing (SC-FDM) (also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink, as well as supporting beamforming, multiple-input multiple-output (MIMO) antenna technology, and carrier aggregation.
  • OFDM orthogonal frequency division multiplexing
  • SC-FDM single-carrier frequency division multiplexing
  • MIMO multiple-input multiple-output
  • Some aspects described herein relate to a method of wireless communication performed by a first wireless communication device (WCD).
  • the method may include transmitting, to a second WCD, information associated with a power spectral density (PSD), the information being based at least in part on one or more parameters.
  • PSD power spectral density
  • the method may include transmitting, to the second WCD, a communication based at least in part on the transmission of the information.
  • Some aspects described herein relate to a method of wireless communication performed by a first WCD.
  • the method may include receiving, from a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the method may include receiving, from the second WCD, a communication based at least in part on the information.
  • Some aspects described herein relate to a first WCD for wireless communication.
  • the first WCD may include a memory and one or more processors coupled to the memory.
  • the one or more processors may be configured to transmit, to a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the one or more processors may be configured to transmit, to the second WCD, a communication based at least in part on the transmission of the information.
  • Some aspects described herein relate to a first WCD for wireless communication.
  • the first WCD may include a memory and one or more processors coupled to the memory.
  • the one or more processors may be configured to receive, from a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the one or more processors may be configured to receive, from the second WCD, a communication based at least in part on the information.
  • Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a first WCD.
  • the set of instructions when executed by one or more processors of the WCD, may cause the WCD to transmit, to a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the set of instructions when executed by one or more processors of the WCD, may cause the WCD to transmit, to the second WCD, a communication based at least in part on the transmission of the information.
  • Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a WCD.
  • the set of instructions when executed by one or more processors of the WCD, may cause the WCD to receive, from a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the set of instructions when executed by one or more processors of the WCD, may cause the WCD to receive, from the second WCD, a communication based at least in part on the information.
  • the apparatus may include means for transmitting, to a WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the apparatus may include means for transmitting, to the WCD, a communication based at least in part on the transmission of the information.
  • the apparatus may include means for receiving, from a WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the apparatus may include means for receiving, from the WCD, a communication based at least in part on the information.
  • aspects generally include a method, apparatus, system, computer program product, non-transitory computer-readable medium, user equipment, base station, WCD, and/or processing system as substantially described herein with reference to and as illustrated by the drawings and specification.
  • FIG. 1 is a diagram illustrating an example of a wireless network, in accordance with the present disclosure.
  • FIG. 2 is a diagram illustrating an example of a base station in communication with a user equipment (UE) in a wireless network, in accordance with the present disclosure.
  • UE user equipment
  • Fig. 3 is a diagram illustrating examples of radio access networks, in accordance with the present disclosure.
  • Fig. 4 is a diagram illustrating an example of an integrated access and backhaul (IAB) network architecture, in accordance with the present disclosure.
  • IAB integrated access and backhaul
  • FIG. 5 is a diagram illustrating an example associated with techniques for providing information associated with a power spectral density, in accordance with the present disclosure.
  • Figs. 6 and 7 are diagrams illustrating example processes associated with techniques for providing information associated with a power spectral density, in accordance with the present disclosure.
  • FIGs. 8 and 9 are diagrams of example apparatuses for wireless communication, in accordance with the present disclosure.
  • RAT New Radio
  • 3G RAT 3G RAT
  • 4G RAT 4G RAT
  • RAT subsequent to 5G e.g., 6G
  • Fig. 1 is a diagram illustrating an example of a wireless network 100, in accordance with the present disclosure.
  • the wireless network 100 may be or may include elements of a 5G (e.g., NR) network and/or a 4G (e.g. Long Term Evolution (LTE)) network, among other examples.
  • the wireless network 100 may include one or more base stations 110 (shown as a BS 110a, a BS 110b, a BS 110c, and a BS 1 lOd), a user equipment (UE) 120 or multiple UEs 120 (shown as a UE 120a, a UE 120b, a UE 120c, a UE 120d, and a UE 120e), and/or other network entities.
  • UE user equipment
  • a base station 110 is an entity that communicates with UEs 120.
  • a base station 110 (sometimes referred to as a BS) may include, for example, an NR base station, an LTE base station, a Node B, an eNB (e.g., in 4G), a gNB (e.g., in 5G), an access point, and/or a transmission reception point (TRP).
  • Each base station 110 may provide communication coverage for a particular geographic area.
  • the term “cell” can refer to a coverage area of a base station 110 and/or a base station subsystem serving this coverage area, depending on the context in which the term is used.
  • a base station 110 may provide communication coverage for a macro cell, a pico cell, a femto cell, and/or another type of cell.
  • a macro cell may cover a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access by UEs 120 with service subscriptions.
  • a pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs 120 with service subscription.
  • a femto cell may cover a relatively small geographic area (e.g., a home) and may allow restricted access by UEs 120 having association with the femto cell (e.g., UEs 120 in a closed subscriber group (CSG)).
  • CSG closed subscriber group
  • a base station 110 for a macro cell may be referred to as a macro base station.
  • a base station 110 for a pico cell may be referred to as a pico base station.
  • a base station 110 for a femto cell may be referred to as a femto base station or an in-home base station.
  • the BS 110a may be a macro base station for a macro cell 102a
  • the BS 110b may be a pico base station for a pico cell 102b
  • the BS 110c may be a femto base station for a femto cell 102c.
  • a base station may support one or multiple (e.g., three) cells.
  • a cell may not necessarily be stationary, and the geographic area of the cell may move according to the location of a base station 110 that is mobile (e.g., a mobile base station).
  • the base stations 110 may be interconnected to one another and/or to one or more other base stations 110 or network nodes (not shown) in the wireless network 100 through various types of backhaul interfaces, such as a direct physical connection or a virtual network, using any suitable transport network.
  • the wireless network 100 may include one or more relay stations.
  • a relay station is an entity that can receive a transmission of data from an upstream station (e.g., a base station 110 or a UE 120) and send a transmission of the data to a downstream station (e.g., a UE 120 or a base station 110).
  • a relay station may be a UE 120 that can relay transmissions for other UEs 120.
  • the BS 1 lOd e.g., a relay base station
  • the BS 110a e.g., a macro base station
  • a base station 110 that relays communications may be referred to as a relay station, a relay base station, a relay, or the like.
  • the wireless network 100 may be a heterogeneous network that includes base stations 110 of different types, such as macro base stations, pico base stations, femto base stations, relay base stations, or the like. These different types of base stations 110 may have different transmit power levels, different coverage areas, and/or different impacts on interference in the wireless network 100.
  • macro base stations may have a high transmit power level (e.g., 5 to 40 watts) whereas pico base stations, femto base stations, and relay base stations may have lower transmit power levels (e.g., 0.1 to 2 watts).
  • a network controller 130 may couple to or communicate with a set of base stations 110 and may provide coordination and control for these base stations 110.
  • the network controller 130 may communicate with the base stations 110 via a backhaul communication link.
  • the base stations 110 may communicate with one another directly or indirectly via a wireless or wireline backhaul communication link.
  • the UEs 120 may be dispersed throughout the wireless network 100, and each UE 120 may be stationary or mobile.
  • a UE 120 may include, for example, an access terminal, a terminal, a mobile station, and/or a subscriber unit.
  • a UE 120 may be a cellular phone (e.g., a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLE) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (e.g., a smart watch, smart clothing, smart glasses, a smart wristband, smart jewelry (e.g., a smart ring or a smart bracelet)), an entertainment device (e.g., a music device, a video device, and/or a satellite radio), a vehicular component or sensor, a smart meter/sensor, industrial manufacturing equipment, a global positioning system device, and/or any other suitable device that is configured to communicate via a wireless or wired medium.
  • PDA personal digital assistant
  • WLE wireless local loop
  • Some UEs 120 may be considered machine-type communication (MTC) or evolved or enhanced machine-type communication (eMTC) UEs.
  • An MTC UE and/or an eMTC UE may include, for example, a robot, a drone, a remote device, a sensor, a meter, a monitor, and/or a location tag, that may communicate with a base station, another device (e.g., a remote device), or some other entity.
  • Some UEs 120 may be considered Intemet-of-Things (loT) devices, and/or may be implemented as NB-IoT (narrowband loT) devices.
  • Some UEs 120 may be considered a Customer Premises Equipment.
  • a UE 120 may be included inside a housing that houses components of the UE 120, such as processor components and/or memory components.
  • the processor components and the memory components may be coupled together.
  • the processor components e.g., one or more processors
  • the memory components e.g., a memory
  • the processor components and the memory components may be operatively coupled, communicatively coupled, electronically coupled, and/or electrically coupled.
  • any number of wireless networks 100 may be deployed in a given geographic area.
  • Each wireless network 100 may support a particular RAT and may operate on one or more frequencies.
  • a RAT may be referred to as a radio technology, an air interface, or the like.
  • a frequency may be referred to as a carrier, a frequency channel, or the like.
  • Each frequency may support a single RAT in a given geographic area in order to avoid interference between wireless networks of different RATs.
  • NR or 5G RAT networks may be deployed.
  • two or more UEs 120 may communicate directly using one or more sidelink channels (e.g., without using a base station 110 as an intermediary to communicate with one another).
  • the UEs 120 may communicate using peer-to-peer (P2P) communications, device-to-device (D2D) communications, a vehicle-to-everything (V2X) protocol (e.g., which may include a vehicle-to- vehicle (V2V) protocol, a vehicle-to-infrastructure (V2I) protocol, or a vehicle-to-pedestnan (V2P) protocol), and/or a mesh network.
  • V2X vehicle-to-everything
  • a UE 120 may perform scheduling operations, resource selection operations, and/or other operations described elsewhere herein as being performed by the base station 110.
  • Devices of the wireless network 100 may communicate using the electromagnetic spectrum, which may be subdivided by frequency or wavelength into various classes, bands, channels, or the like. For example, devices of the wireless network 100 may communicate using one or more operating bands.
  • 5G NR two initial operating bands have been identified as frequency range designations FR1 (410 MHz - 7.125 GHz) and FR2 (24.25 GHz - 52.6 GHz). It should be understood that although a portion of FR1 is greater than 6 GHz, FR1 is often referred to (interchangeably) as a “Sub-6 GHz” band in various documents and articles.
  • FR2 which is often referred to (interchangeably) as a “millimeter wave” band in documents and articles, despite being different from the extremely high frequency (EHF) band (30 GHz - 300 GHz) which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band.
  • EHF extremely high frequency
  • ITU International Telecommunications Union
  • FR3 7.125 GHz - 24.25 GHz
  • FR3 7.125 GHz - 24.25 GHz
  • Frequency bands falling within FR3 may inherit FR1 characteristics and/or FR2 characteristics, and thus may effectively extend features of FR1 and/or FR2 into mid-band frequencies.
  • higher frequency bands are currently being explored to extend 5G NR operation beyond 52.6 GHz.
  • FR4a or FR4-1 52.6 GHz - 71 GHz
  • FR4 52.6 GHz - 114.25 GHz
  • FR5 114.25 GHz - 300 GHz.
  • Each of these higher frequency bands falls within the EHF band.
  • sub-6 GHz may broadly represent frequencies that may be less than 6 GHz, may be within FR1, or may include mid-band frequencies.
  • millimeter wave may broadly represent frequencies that may include mid-band frequencies, may be within FR2, FR4, FR4-a or FR4-1, and/or FR5, or may be within the EHF band.
  • frequencies included in these operating bands may be modified, and techniques described herein are applicable to those modified frequency ranges.
  • a first WCD (e.g., as a UE or a mobile terminal (MT), among other examples) may include a communication manager 140 or 150.
  • the communication manager 140 or 150 may transmit, to a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters; and transmit, to the second WCD, a communication based at least in part on the transmission of the information. Additionally, or alternatively, the communication manager 140 or 150 may perform one or more other operations described herein.
  • a first WCD (e.g., as a base station, a distributed unit (DU), or a centralized unit (CU), among other examples) may include a communication manager 150.
  • the communication manager 150 may receive, from a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters; and receive, from the second WCD, a communication based at least in part on the information. Additionally, or alternatively, the communication manager 150 may perform one or more other operations described herein.
  • Fig. 1 is provided as an example. Other examples may differ from what is described with regard to Fig. 1.
  • Fig. 2 is a diagram illustrating an example 200 of a base station 110 in communication with a UE 120 in a wireless network 100, in accordance with the present disclosure.
  • the base station 110 may be equipped with a set of antennas 234a through 234t, such as T antennas (T> 1).
  • the UE 120 may be equipped with a set of antennas 252a through 252r, such as R antennas (R > 1).
  • a transmit processor 220 may receive data, from a data source 212, intended for the UE 120 (or a set of UEs 120).
  • the transmit processor 220 may select one or more modulation and coding schemes (MCSs) for the UE 120 based at least in part on one or more channel quality indicators (CQIs) received from that UE 120.
  • MCSs modulation and coding schemes
  • CQIs channel quality indicators
  • the base station 110 may process (e.g., encode and modulate) the data for the UE 120 based at least in part on the MCS(s) selected for the UE 120 and may provide data symbols for the UE 120.
  • the transmit processor 220 may process system information (e.g., for semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, and/or upper layer signaling) and provide overhead symbols and control symbols.
  • the transmit processor 220 may generate reference symbols for reference signals (e.g., a cell-specific reference signal (CRS) or a demodulation reference signal (DMRS)) and synchronization signals (e.g., a primary synchronization signal (PSS) or a secondary synchronization signal (SSS)).
  • reference signals e.g., a cell-specific reference signal (CRS) or a demodulation reference signal (DMRS)
  • synchronization signals e.g., a primary synchronization signal (PSS) or a secondary synchronization signal (SSS)
  • a transmit (TX) multiple -input multiple -output (MIMO) processor 230 may perform spatial processing (e.g., precoding) on the data symbols, the control symbols, the overhead symbols, and/or the reference symbols, if applicable, and may provide a set of output symbol streams (e.g., T output symbol streams) to a corresponding set of modems 232 (e.g., T modems), shown as modems 232a through 232t.
  • each output symbol stream may be provided to a modulator component (shown as MOD) of a modem 232.
  • Each modem 232 may use a respective modulator component to process a respective output symbol stream (e.g., for OFDM) to obtain an output sample stream.
  • Each modem 232 may further use a respective modulator component to process (e.g., convert to analog, amplify, filter, and/or upconvert) the output sample stream to obtain a downlink signal.
  • the modems 232a through 232t may transmit a set of downlink signals (e.g., T downlink signals) via a corresponding set of antennas 234 (e.g., T antennas), shown as antennas 234a through 234t.
  • a set of antennas 252 may receive the downlink signals from the base station 110 and/or other base stations 110 and may provide a set of received signals (e.g., R received signals) to a set of modems 254 (e.g., R modems), shown as modems 254a through 254r.
  • R received signals e.g., R received signals
  • each received signal may be provided to a demodulator component (shown as DEMOD) of a modem 254.
  • DEMOD demodulator component
  • Each modem 254 may use a respective demodulator component to condition (e.g., fdter, amplify, downconvert, and/or digitize) a received signal to obtain input samples.
  • Each modem 254 may use a demodulator component to further process the input samples (e.g., for OFDM) to obtain received symbols.
  • a MIMO detector 256 may obtain received symbols from the modems 254, may perform MIMO detection on the received symbols if applicable, and may provide detected symbols.
  • a receive processor 258 may process (e.g., demodulate and decode) the detected symbols, may provide decoded data for the UE 120 to a data sink 260, and may provide decoded control information and system information to a controller/processor 280.
  • controller/processor may refer to one or more controllers, one or more processors, or a combination thereof.
  • a channel processor may determine a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, and/or a CQI parameter, among other examples.
  • RSRP reference signal received power
  • RSSI received signal strength indicator
  • RSSRQ reference signal received quality
  • CQI CQI parameter
  • the network controller 130 may include a communication unit 294, a controller/processor 290, and a memory 292.
  • the network controller 130 may include, for example, one or more devices in a core network.
  • the network controller 130 may communicate with the base station 110 via the communication unit 294.
  • One or more antennas may include, or may be included within, one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, and/or one or more antenna arrays, among other examples.
  • An antenna panel, an antenna group, a set of antenna elements, and/or an antenna array may include one or more antenna elements (within a single housing or multiple housings), a set of coplanar antenna elements, a set of non-coplanar antenna elements, and/or one or more antenna elements coupled to one or more transmission and/or reception components, such as one or more components of Fig. 2.
  • a transmit processor 264 may receive and process data from a data source 262 and control information (e.g., for reports that include RSRP, RSSI, RSRQ, and/or CQI) from the controller/processor 280.
  • the transmit processor 264 may generate reference symbols for one or more reference signals.
  • the symbols from the transmit processor 264 may be precoded by a TX MIMO processor 266 if applicable, further processed by the modems 254 (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to the base station 110.
  • the modem 254 of the UE 120 may include a modulator and a demodulator.
  • the UE 120 includes a transceiver.
  • the transceiver may include any combination of the antenna(s) 252, the modem(s) 254, the MIMO detector 256, the receive processor 258, the transmit processor 264, and/or the TX MIMO processor 266.
  • the transceiver may be used by a processor (e.g., the controller/processor 280) and the memory 282 to perform aspects of any of the methods described herein (e.g., with reference to Figs. 5-9).
  • the uplink signals from UE 120 and/or other UEs may be received by the antennas 234, processed by the modem 232 (e.g., a demodulator component, shown as DEMOD, of the modem 232), detected by a MIMO detector 236 if applicable, and further processed by a receive processor 238 to obtain decoded data and control information sent by the UE 120.
  • the receive processor 238 may provide the decoded data to a data sink 239 and provide the decoded control information to the controller/processor 240.
  • the base station 110 may include a communication unit 244 and may communicate with the network controller 130 via the communication unit 244.
  • the base station 110 may include a scheduler 246 to schedule one or more UEs 120 for downlink and/or uplink communications.
  • the modem 232 of the base station 110 may include a modulator and a demodulator.
  • the base station 110 includes a transceiver.
  • the transceiver may include any combination of the antenna(s) 234, the modem(s) 232, the MIMO detector 236, the receive processor 238, the transmit processor 220, and/or the TX MIMO processor 230.
  • the transceiver may be used by a processor (e.g., the controller/processor 240) and the memory 242 to perform aspects of any of the methods described herein (e.g., with reference to Figs. 5-9).
  • the controller/processor 240 of the base station 110, the controller/processor 280 of the UE 120, and/or any other component(s) of Fig. 2 may perform one or more techniques associated with providing information associated with a power spectral density (PSD), as described in more detail elsewhere herein.
  • a first WCD or a second WCD described herein is the base station 110, is included in the base station 110, or includes one or more components of the base station 110 shown in Fig. 2.
  • a first WCD or a second WCD described herein is the UE 120, is included in the UE 120, or includes one or more components of the UE 120 shown in Fig. 2.
  • the controller/processor 240 of the base station 110, the controller/processor 280 of the UE 120, and/or any other component(s) of Fig. 2 may perform or direct operations of, for example, process 600 of Fig. 6, process 700 of Fig. 7, and/or other processes as described herein.
  • the memory 242 and the memory 282 may store data and program codes for the base station 110 and the UE 120, respectively.
  • the memory 242 and/or the memory 282 may include a non-transitory computer- readable medium storing one or more instructions (e.g., code and/or program code) for wireless communication.
  • the one or more instructions when executed (e.g., directly, or after compiling, converting, and/or interpreting) by one or more processors of the base station 110 and/or the UE 120, may cause the one or more processors, the UE 120, and/or the base station 110 to perform or direct operations of, for example, process 600 of Fig. 6, process 700 of Fig. 7, and/or other processes as described herein.
  • executing instructions may include running the instructions, converting the instructions, compiling the instructions, and/or interpreting the instractions, among other examples.
  • a first WCD includes means for transmitting, to a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters; and/or means for transmitting, to the second WCD, a communication based at least in part on the transmission of the information.
  • the means for the first WCD to perform operations described herein may include, for example, one or more of communication manager 150, transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller/processor 240, memory 242, or scheduler 246.
  • the means for the first WCD to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller/processor 280, or memory 282.
  • a first WCD includes means for receiving, from a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters; and/or means for receiving, from the second WCD, a communication based at least in part on the information.
  • the means for the first WCD to perform operations described herein may include, for example, one or more of communication manager 150, transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller/processor 240, memory 242, or scheduler 246.
  • the means for the first WCD to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller/processor 280, or memory 282.
  • Fig. 2 While blocks in Fig. 2 are illustrated as distinct components, the functions described above with respect to the blocks may be implemented in a single hardware, software, or combination component or in various combinations of components. For example, the functions described with respect to the transmit processor 264, the receive processor 258, and/or the TX MIMO processor 266 may be performed by or under the control of the controller/processor 280.
  • Fig. 2 is provided as an example. Other examples may differ from what is described with regard to Fig. 2.
  • Fig. 3 is a diagram illustrating examples 300 of radio access networks, in accordance with the present disclosure.
  • a traditional (e.g., 3G, 4G, or LTE) radio access network may include multiple base stations 310 (e.g., access nodes (ANs)), where each base station 310 communicates with a core network via a wired backhaul link 315, such as a fiber connection.
  • a base station 310 may communicate with a UE 320 via an access link 325, which may be a wireless link.
  • a base station 310 shown in Fig. 3 may be a base station 110 shown in Fig. 1.
  • a UE 320 shown in Fig. 3 may be a UE 120 shown in Fig 1.
  • a radio access network may include a wireless backhaul network, sometimes referred to as an integrated access and backhaul (IAB) network.
  • IAB integrated access and backhaul
  • at least one base station is an anchor base station 335 that communicates with a core network via a wired backhaul link 340, such as a fiber connection.
  • An anchor base station 335 may also be referred to as an IAB donor (or lAB-donor).
  • the IAB network may include one or more non-anchor base stations 345, sometimes referred to as relay base stations or IAB nodes (or lAB-nodes).
  • the non-anchor base station 345 may communicate directly or indirectly with the anchor base station 335 via one or more backhaul links 350 (e.g., via one or more non-anchor base stations 345) to form a backhaul path to the core network for carrying backhaul traffic.
  • Backhaul link 350 may be a wireless link.
  • Anchor base station(s) 335 and/or non-anchor base station(s) 345 may communicate with one or more UEs 355 via access links 360, which may be wireless links for carrying access traffic.
  • an anchor base station 335 and/or a non-anchor base station 345 shown in Fig. 3 may be a base station 110 shown in Fig. 1.
  • a radio access network that includes an IAB network may utilize millimeter wave technology and/or directional communications (e.g., beamforming) for communications between base stations and/or UEs (e.g., between two base stations, between two UEs, and/or between a base station and a UE).
  • millimeter wave technology e.g., beamforming
  • wireless backhaul links 370 between base stations may use millimeter wave signals to carry information and/or may be directed toward a target base station using beamforming.
  • the wireless access links 375 between a UE and a base station may use millimeter wave signals and/or may be directed toward a target wireless node (e.g., a UE and/or a base station). In this way, inter-link interference may be reduced.
  • a target wireless node e.g., a UE and/or a base station
  • UE-to-UE access network e.g., a peer-to-peer network or a device-to-device network
  • anchor node may refer to a UE that is directly in communication with a base station (e.g., an anchor base station or a nonanchor base station).
  • Fig. 3 is provided as an example. Other examples may differ from what is described with regard to Fig. 3.
  • Fig. 4 is a diagram illustrating an example 400 of an IAB network architecture, in accordance with the present disclosure.
  • an IAB network may include an IAB donor 405 (shown as IAB- donor) that connects to a core network via a wired connection (shown as a wireline backhaul).
  • IAB- donor an IAB donor 405
  • a wired connection shown as a wireline backhaul
  • an Ng interface of an IAB donor 405 may terminate at a core network.
  • an IAB donor 405 may connect to one or more devices of the core network that provide a core access and mobility management function (e.g., AMF).
  • an IAB donor 405 may include a base station 110, such as an anchor base station, as described above in connection with 3.
  • an IAB donor 405 may include a CU, which may perform access node controller (ANC) functions and/or AMF functions
  • the CU may configure a DU of the IAB donor 405 and/or may configure one or more IAB nodes 410 (e.g ., an MT and/or a DU of an IAB node 410) that connect to the core network via the IAB donor 405.
  • a CU of an IAB donor 405 may control and/or configure the entire IAB network that connects to the core network via the IAB donor 405, such as by using control messages and/or configuration messages (e.g., a radio resource control (RRC) configuration message or an Fl application protocol (Fl-AP) message).
  • RRC radio resource control
  • Fl-AP Fl application protocol
  • the IAB network may include IAB nodes 410 (shown as lAB-node 1, lAB-node 2, and lAB-node 3) that connect to the core network via the IAB donor 405.
  • an IAB node 410 may include MT functions (also sometimes referred to as UE functions (UEF)) and may include DU functions (also sometimes referred to as access node functions (ANF)).
  • the MT functions of an IAB node 410 e.g., a child node
  • the DU functions of an IAB node 410 may control and/or schedule other IAB nodes 410 (e.g., child nodes of the parent node) and/or UEs 120.
  • a DU may be referred to as a scheduling node or a scheduling component
  • an MT may be referred to as a scheduled node or a scheduled component.
  • an IAB donor 405 may include DU functions and not MT functions. That is, an IAB donor 405 may configure, control, and/or schedule communications of IAB nodes 410 and/or UEs 120.
  • a UE 120 may include only MT functions, and not DU functions.
  • communications of a UE 120 may be controlled and/or scheduled by an IAB donor 405 and/or an IAB node 410 (e.g., a parent node of the UE 120).
  • an IAB donor 405 e.g., a IAB node 410
  • IAB node 410 e.g., a parent node of the UE 120.
  • the first node may be referred to as a parent node of the second node
  • the second node may be referred to as a child node of the first node.
  • a child node of the second node may be referred to as a grandchild node of the first node.
  • a DU function of a parent node may control and/or schedule communications for child nodes of the parent node.
  • a parent node may be an IAB donor 405 or an IAB node 410
  • a child node may be an IAB node 410 or a UE 120.
  • Communications of an MT function of a child node may be controlled and/or scheduled by a parent node of the child node.
  • a link between a UE 120 (e.g., which only has MT functions, and not DU functions) and an IAB donor 405, or between a UE 120 and an IAB node 410 may be referred to as an access link 415.
  • Access link 415 may be a wireless access link that provides a UE 120 with radio access to a core network via an IAB donor 405, and optionally via one or more IAB nodes 410.
  • the network illustrated in Fig. 4 may be referred to as a multi-hop network or a wireless multi-hop network.
  • a link between an IAB donor 405 and an IAB node 410 or between two IAB nodes 410 may be referred to as a backhaul link 420.
  • Backhaul link 420 may be a wireless backhaul link that provides an IAB node 410 with radio access to a core network via an IAB donor 405, and optionally via one or more other IAB nodes 410.
  • network resources for wireless communications e.g., time resources, frequency resources, and/or spatial resources
  • a backhaul link 420 may be a primary backhaul link or a secondary backhaul link (e.g., a backup backhaul link).
  • a secondary backhaul link may be used if a primary backhaul link fails, becomes congested, and/or becomes overloaded, among other examples.
  • a backup link 425 between lAB-node 2 and lAB-node 3 may be used for backhaul communications if a primary backhaul link between lAB-node 2 and lAB-node 1 fails.
  • “node” or “wireless node” may refer to an IAB donor 405 or an IAB node 410.
  • Fig. 4 is provided as an example. Other examples may differ from what is described with regard to Fig. 4.
  • a first WCD (e.g., a UE, an MT, and/or a child node, among other examples) may be configured to provide an indication of a PSD to a second WCD (e.g., a base station, a DU, a parent node, and/or another UE (e.g., in a sidelink connection)).
  • the indication of the PSD may indicate a desired, requested, and/or preferred PSD for a communication from the first WCD to the second WCD.
  • the second WCD may transmit an indication of a configuration, including a PSD, for the first WCD to use for the communication.
  • the PSD may indicate a total amount of power per frequency-domain unit (e.g., power per subcarrier, power per resource block, or power per sub-band, among other examples).
  • the indication of the PSD may indicate a range of PSDs (e.g., a lower limit and an upper limit of a requested range of PSDs).
  • the indication of the PSD may be insufficient to properly manage configurations for the first WCD to use for the communication.
  • the first WCD transmits (e.g., uplink, downlink, and/or sidelink) using a first link and transmits using a second link (e.g., uplink, downlink, and/or sidelink) simultaneously
  • the indication of the PSD may be insufficient to avoid a power imbalance between a first transmission via the first link and a second transmission via the second link.
  • the indication of the PSD may be insufficient to avoid a power imbalance.
  • the power imbalance may cause clipping and/or transmission via one of the links, with a transmission power of the one of the links being lower than a noise floor.
  • the indication of the PSD may be insufficient to avoid configuring, for the first transmission, the first WCD with a disproportionate amount of a total transmission power (e.g., a total transmission power limit) allowed for the first WCD. In this way, a remaining amount of the total transmission power allowed for the second transmission may be insufficient for reception by a receiving device associated with the second transmission (e.g., an additional WCD or the second WCD).
  • the first WCD and/or the receiving device may consume computing, communication, network, and/or power resources based at least in part on the receiving device failing to receive the second transmission.
  • the indication of the PSD may be insufficient to avoid self-interference (e.g., enough self-interference to cause communication errors) between transmission of the first communication and reception of the second communication.
  • self-interference e.g., enough self-interference to cause communication errors
  • a radio bearer allocation and/or a resource block allocation may be needed to determine an amount of self-interference that will be caused by the first communication onto the second communication. If the first link and the second link have fully overlapped allocations, the PSD may be sufficient.
  • an impact of self-interference may be based at least in part on a PSD and a number of overlapped resource elements.
  • parameters of a guard band and the PSD may indicate an impact of self-interference based at least in part on self-interference leakage from a first allocation for the first link to a second allocation for the second link.
  • the self-interference leakage may be further based at least in part on a number of occupied resource elements.
  • self-interference from the first link may cause communication errors for the second link.
  • a transmission power of the first communication may be unnecessarily limited, which may cause the first WCD to transmit the first communication with insufficient power for reception by the second WCD.
  • the first WCD, the second WCD, and/or a transmitting device associated with the second link may consume computing, communication, network, and/or power resources based at least in part on the second WCD failing to receive the first communication and/or based at least in part on the first WCD failing to receive the second communication.
  • a first WCD may transmit, to a second WCD (e.g., a parent node, an IAB node (e.g., a DU), a base station, and/or a UE, among other examples) information associated with a PSD, with the information being based at least in part on one or more parameters.
  • a second WCD e.g., a parent node, an IAB node (e.g., a DU), a base station, and/or a UE, among other examples
  • the first WCD may transmit an indication of a PSD and/or a range of PSDs for the second WCD to use to configure the first WCD with one or more transmission parameters.
  • the first WCD may use the one or more parameters in a determination and/or calculation of the PSD.
  • the one or more parameters may include a transmission bandwidth (e.g, a reference transmission bandwidth and/or an assumed transmission bandwidth, among other examples), a guard band (e.g., a reference guard band and/or an assumed guard band, among other examples), and/or a resource block allocation (e.g., a reference resource block allocation, an assumed resource block allocation, among other examples), among other examples.
  • the second WCD may indicate the one or more parameters via an explicit indication and/or an implicit indication.
  • the transmission bandwidth used to determine and/or calculate the PSD may be based at least in part on a maximum transmission bandwidth.
  • the maximum transmission bandwidth may be based at least in part on any of an uplink bandwidth part configuration for the first WCD, a bandwidth of the second WCD, a frequencydomain resource configuration of a cell of the second WCD, and/or explicitly indicated available soft resources in the frequency domain (e.g., as indicated via a downlink control information (DCI) message 2 5), among other examples.
  • DCI downlink control information
  • the frequency-domain resource configuration may indicate hard resources (e.g., resources available for the first WCD to communicate with child-nodes), soft resources (e.g., resources that are conditionally available for first WCD to communicate with child-nodes), or not available resources (e.g., resources that are not available for the first WCD to communicate with child-nodes (e.g., the first WCD is to abstain from using the resources except in some special cases)).
  • hard resources e.g., resources available for the first WCD to communicate with child-nodes
  • soft resources e.g., resources that are conditionally available for first WCD to communicate with child-nodes
  • not available resources e.g., resources that are not available for the first WCD to communicate with child-nodes (e.g., the first WCD is to abstain from using the resources except in some special cases)).
  • the first WCD may determine and/or calculate the guard band and/or resource block allocation based at least in part on any of an uplink bandwidth part configuration for the first WCD, a bandwidth of the second WCD, a frequency-domain resource configuration of a cell of the second WCD, and/or explicitly indicated available soft resources in the frequency domain (e.g, as indicated via a DO message 2 5), among other examples.
  • the one or more parameters may be associated with a configuration of a previous communication.
  • the first WCD may determine the one or more parameters based at least in part on a previous communication via the first link (such as, for example, a communication that includes the information).
  • the one or more parameters may be updated (e.g., changed) based at least in part on an updated configuration.
  • the second WCD may transmit an indication to update a configuration for a subsequent communication.
  • the first WCD may transmit updated information based at least in part on the updated one or more parameters.
  • the second WCD may adjust a transmission power (e.g, in an uplink transmission and/or a communication via the first link, among other examples) based at least in part on the information previously provided by the first WCD.
  • the second WCD may adjust the transmission power, from a transmission power configured based at least in part on the information previously reported, based at least in part on a difference between the one or more parameters and the one or more updated parameters.
  • the information may include a first portion associated with a first multiplexing mode, such as a mode in which the first WCD transmits via a first link (e.g., an MT link) and via a second link (e.g., a DU link) simultaneously and/or a mode in which the first WCD transmits via the first link (e.g., the MT link) and receives via the second link (e.g., the DU link) simultaneously.
  • a first multiplexing mode such as a mode in which the first WCD transmits via a first link (e.g., an MT link) and via a second link (e.g., a DU link) simultaneously and/or a mode in which the first WCD transmits via the first link (e.g., the MT link) and receives via the second link (e.g., the DU link) simultaneously.
  • the information may indicate only an upper-bound of a range of PSD (e.g., with an assumption that a lower-bound range of PSD is zero or negative infinity, among other examples).
  • the information is associated with a full duplex mode of the first WCD in which the first WCD simultaneously transmits and receives communications with the second WCD.
  • the information may indicate an PSD to use for configuring the transmission parameters for the full duplex mode.
  • the information is associated with a dual connectivity mode and/or a carrier aggregation mode of the first WCD, in which the first WCD simultaneously transmits via a first carrier and/or cell and receives communications from the second WCD via a second carrier and/or cell.
  • the information may indicate an PSD to use for configuring the transmission parameters for one or more multiplexing modes, such as a first mode in which the first WCD simultaneously transmits via a first carrier and/or cell and transmits via a second carrier and/or cell, a second mode in which the first WCD simultaneously transmits via the first carrier and/or cell and receives via the second carrier and/or cell, and/or a third mode in which the first WCD simultaneously receives via the first carrier and/or cell and transmits via the second carrier and/or cell, among other examples.
  • multiplexing modes such as a first mode in which the first WCD simultaneously transmits via a first carrier and/or cell and transmits via a second carrier and/or cell, a second mode in which the first WCD simultaneously transmits via the first carrier and/or cell and receives via the second carrier and/or cell, among other examples.
  • the information may include different portions associated with different beams.
  • the information may include different portions associated with different uplink beams and/or different portions associated with different downlink beams, among other examples.
  • a mode in which the first WCD transmits via a first link e.g., an uplink in a fall duplex mode and/or an MT link, among other examples
  • a second link e.g., a downlink in a fall duplex mode and/or a DU link, among other examples
  • limitations may be necessary for some combinations of first link beams and second link beams no limitations may be necessary. For example, limitations may be unnecessary based at least in part on a first link beam being associated with a different antenna group than a second link beam.
  • the first WCD may have different limitations.
  • the different limitations may be based at least in part on a level of self-interference that depends on an amount of spatial isolation between different transmission beams and reception beams.
  • the information may include different portions associated with different component carriers (e.g., UE component carriers and/or MT component carriers, among other examples).
  • the information may include multiple indications (e.g., indications of PSD) provided to a first cell (e.g., a primary cell) and may be associated with different component carriers.
  • the information may include different portions transmitted via different component carriers, with each portion corresponding to a component carrier on which the portion is transmitted.
  • the information may include a single communication transmitted via a single component carrier (e.g., a primary cell) and may be associated with a set of component carriers (e.g., of a UE or an MT, among other examples), with the set of component carriers including all component carriers or a subset of the component earners.
  • a single component carrier e.g., a primary cell
  • a set of component carriers e.g., of a UE or an MT, among other examples
  • the information may include different portions for different channels and/or signal types.
  • the information may include a first portion associated with sounding reference signals (SRSs), a second portion associated with a physical uplink control channel (PUCCH), a third portion associated with a physical uplink shared channel (PUSCH), and/or a fourth portion associated with a configured grant PUSCH, among other examples.
  • the second WCD may not adjust a transmission power for a communication from the first WCD to the second WCD (e.g., via the first link) based at least in part on the information (e.g., within a range of PSD indicated in the information).
  • the first WCD may need to autonomously adjust a transmission power and may adjust the transmission power based at least in part on the information (e.g., using an PSD within the range of PSD indicated in the information).
  • the second WCD may use the information in configuring reception processing, beam management, link management, and/or link adaptation, among other examples.
  • the first WCD may need to autonomously adjust the transmission power based at least in part on a concurrent communication having a higher priority than the communication from the first WCD to the second WCD and/or a requirement for the first WCD to limit a minimum or maximum transmission power, among other examples.
  • the first WCD may adjust a transmission power via the first link based at least in part on a collision and/or a conflict (e.g., partially or fully, in time and/or frequency) with a higher priority communication (e.g., in an enhanced duplexing mode, in a carrier aggregation mode, and/or in a dual connectivity mode, among other examples).
  • the first WCD may adjust (e.g., autonomously) the transmission power based at least in part on an indicated desired range.
  • a total transmission power may be relevant to address concerns about power imbalance and/or power sharing, while the PSD along with a resource block allocation may be more relevant to address concerns about interference (e.g., self-interference and/or cross-link interference).
  • both concerns may be valid and the first WCD (e.g., an MT) may provide two indications, such as a desired PSD range 1 along with a reference bandwidth and a desired PSD range 2 along with a reference resource block allocation.
  • the first WCD may indicate a single PSD range, in which an upper limit is configured to address a first concern (e.g., interference), and a lower limit is configured to address another concern (e.g., power imbalance).
  • the second WCD may use the lower limit and the upper limit with different configurations.
  • the second WCD may use the lower limit for a reference transmission bandwidth and may use the upper limit for a reference resource block allocation.
  • an indicated (e g., desired and/or requested) IAB-MT or UE UL TX power (e.g., a PSD range) may depend on, and/or be associated with, any combination of the following configurations: a component carrier of the IAB-MT or UE, an IAB-DU cell, a transmission beam (e.g., a transmission configuration indicator (TCI) state, scheduling request indicator (SRI), and/or quasi-co-location information, among other examples) of the IAB-MT or UE, a multiplexing mode of the lAB-node or UE, whether an uplink signal is frequency division multiplexed with one or more concurrent communications (e.g., a downlink signal or a sidelink
  • TCI transmission configuration indicator
  • SRI scheduling request indicator
  • the configurations may include any combination of a bandwidth of the uplink signal, a resource block allocation of the uplink signal, and/or a timing reference mode associated with at least one concurrent communication, among other examples.
  • the indicated desired lAB-MT’s (or UE’s) uplink TX power (e.g., PSD range) may be associated with a set of explicitly indicated time resources.
  • the IAB or UE may provide the set of explicitly indicated time resources and/or receive an indication of a dependence or association with the configurations, via medium access control (MAC) signaling (e.g., one or more MAC control elements (CEs)).
  • MAC medium access control
  • an uplink timing reference to be used by the IAB-MT (or UE) to send its uplink signals.
  • the UE and/or a parent-node adjustment of the uplink timing reference may be desired.
  • the lAB-node may desire to adjust its IAB-MT uplink timing reference to be aligned with its IAB-DU timing reference.
  • the IAB-MT uplink transmission timing may be desired to be aligned with the IAB-DU downlink transmission timing. This may be referred to as Case 6 timing in the context of the IAB.
  • the IAB- MT or UE may indicate its desired timing adjustment (or timing case) to the parent-node.
  • An indication of the desired UL timing adjustment (e.g., whether Case 6 timing is needed, requested, and/or desired by the IAB-MT) may depend on, or may be associated with, any combination of the following configurations: a component carrier of the IAB-MT or UE, the IAB-DU cell, the multiplexing mode of lAB-node (or UE), the transmission beam (e.g., TCI state, SRI, and/or quasi-co-location information, among other examples) of the IAB-MT or UE, whether an uplink signal (e g., from the IAB-MT or UE) is frequency division multiplexed with one or more concurrent communications (e.g., a downlink signal or a sidelink signal of the IAB- DU, IAB-MT, or UE
  • the parent-node may also indicate or enable one or more different UL timing references to the IAB-MT or UE to facilitate enhanced multiplexing modes.
  • the parent-node may desire to align its uplink reception timing (e.g., from the IAB- MT or the UE) and its downlink reception timing from its own parent-node. For this, the parent-node may need to further adjust the uplink transmission timing of the IAB-MT or UE.
  • the parent-node may adjust the uplink transmission timing of the IAB-MT or UE using an indication of an additional offset to be applied along with a baseline (may also be referred to Case 1) uplink transmission timing. This may be referred to as Case 7 timing in the context of IAB.
  • the parent-node may provide a timing case indication that indicates (e.g., explicitly) a list of time resources (e.g., slots or symbols) and associated uplink transmission timing cases (e.g., one of the ⁇ Case 1, Case 6, Case 7 ⁇ for each time resource).
  • the parent-node may provide the indication via MAC-CE.
  • the indication of the timing case may be associated with any combination of the following configurations: a component carrier of the IAB-MT or UE, an IAB-DU cell, the transmission beam (e.g., TCI state, SRI, and/or quasi-co-location information, among other examples) of the IAB-MT or UE, whether an uplink signal (e.g., from the IAB-MT or UE) is frequency division multiplexed with one or more concurrent communications (e.g., a downlink signal or a sidelink signal of the IAB-DU, IAB-MT, or UE) or whether the uplink signal and the one or more other concurrent communications overlap at least partially in the frequency domain, a bandwidth of the uplink signal, and/or a resource block allocation of the UL signal.
  • a component carrier of the IAB-MT or UE e.g., an IAB-DU cell
  • the transmission beam e.g., TCI state, SRI, and/or quasi-co-location information, among other examples
  • Another related aspect is an indication of one or more recommended and/or not- preferred beams for the IAB-MT or UE, provided by the IAB-MT or UE to the parent-node.
  • this indication can be provided for a set of explicitly indicated time resources, or may be associated with, and/or indicated for, a combination of various configurations such as the component carrier of the IAB-MT or UE, the IAB-DU cell, the multiplexing mode of lAB-node (or UE), the transmission beam (e.g., TCI state, SRI, and/or quasi-co-location information, among other examples) of the IAB-MT or UE, whether an uplink signal (e.g., from the IAB-MT or UE) is frequency division multiplexed with one or more concurrent communications (e.g., a downlink signal or a sidelink signal of the IAB-DU, IAB-MT, or
  • the parent-node may indicate to the IAB-MT or UE whether it grants the request (e.g., of the recommended and/or not-preferred beams) received from the IAB-MT or UE.
  • the parent-node indicates the applicable and/or restricted beams of the IAB-MT or UE for upcoming resources (e.g., based at least in part on an indication of the recommended and/or not-preferred beams). This indication may be associated with a set of explicitly indicated time and/or frequency resources. Additionally, or alternatively, this indication may be associated with a combination of different configurations. As described herein.
  • the parent-node may indicate the recommended, not- preferred, and/or restricted beams of the IAB-DU or UE that IAB-DU or UE is to consider when it communicates with its own connected UEs or child lAB-nodes.
  • the indication may be associated with a set of explicitly indicated time and/or frequency resources.
  • the indication can be associated with a combination of various configurations (e.g., of the IAB-MT, IAB-DU, and/or the parent-node) such as, the IAB-DU cell, the IAB-MT component carriers, the multiplexing modes, the resource block allocation, the bandwidth, beam directions, the timing cases, resource types, and/or types of signals or channels, among other examples.
  • the indication from the parent-node may not always be granted by the lAB-node.
  • the lAB-node may provide to the parent-node information about the configuration (or reconfiguration) of the lAB-node in response to the indication from the parentnode.
  • Another related aspect is the indication of a desired guard band and/or whether frequency division multiplexing is required between the concurrent communications.
  • This indication may be sent by the lAB-node or UE to the parent node and/or to the CU.
  • An amount of guard band in terms of a number of resource blocks, may be provided.
  • the lAB-node or UE may indicate its desire to the parent-node, base station and/or CU that one or a few groups of resource blocks should not be used for its uplink and/or downlink communications.
  • the indication of desired guard band and/or whether frequency division multiplexing (FDM) is required may be associated with a set of explicitly indicated time resources and/or a combination of different configurations as those discussed above.
  • the indication may be for uplink transmission and/or downlink reception. This indication may be provided via MAC-CE.
  • the parent-node may indicate to the IAB-MT or UE whether it grants the request (e g., of the desired guard band and/or whether FDM is required) received from the IAB-MT or UE.
  • the parent-node indicates the amount of provided guard band for upcoming resources.
  • the indication may be associated with a set of explicitly indicated time and/or frequency resources. Alternatively, or additionally, the indication may be associated with a combination of different configurations as those discussed above.
  • the parent-node may indicate to the lAB-node (e.g., via sending a downlink signal to IAB-MT) the recommended guard-band, whether FDM is required, and/or restricted groups of resources blocks (RBs) to be used by the UE or IAB-DU to communicate with its own UEs, or child lAB-nodes.
  • some guard symbols may be desired and/or provided when there is a switch between different timing cases, different multiplexing modes, or any combination thereof.
  • the indication of desired guard symbols may be provided by the IAB- node (e.g., the IAB-MT) or UE to the parent-node, or by the parent-node to the lAB-node or UE.
  • the indication of provided guard symbols may be provided by the lAB-node (e.g., IAB- MT) or UE to the parent-node, or by the parent-node to the lAB-node or UE.
  • the indications may be associated with a set of explicitly indicated time resources, or different combination of related configuration as those discussed above.
  • the second WCD may determine transmission parameters for the first WCD to use for a communication.
  • the information may include an indication of PSD that is based at least in part on the one or more parameters, and the second WCD may determine one or more additional parameters (e.g., a total power limit) based at least in part on the indication of the PSD and knowledge of the one or more parameters used to determine and/or calculate the PSD.
  • additional parameters e.g., a total power limit
  • the base station may be able to reduce self-interference and/or may be able to avoid causing a transmission power for a second transmission to be reduced to below a noise floor or to be insufficient for a receiving device to receive a communication via the second transmission.
  • This may conserve computing, communication, network, and/or power resources based at least in part on reducing communication errors and/or reducing detection and/or correction of the communication errors.
  • Fig. 5 is a diagram illustrating an example 500 associated with techniques for providing information associated with a PSD, in accordance with the present disclosure.
  • a first WCD e g., an IAB node, an MT, and/or a UE 120, among other examples
  • a second WCD e.g., base station 110, an IAB node, a DU, a CU, and/or an additional UE 120, among other examples.
  • the first WCD and the second WCD may be part of a wireless network (e.g., wireless network 100).
  • the first WCD and the second WCD may have established a wireless connection prior to operations shown in Fig. 5.
  • first device and second device are used to distinguish one device from another device.
  • the terms “first” and “second” are intended to be broadly construed and may not indicate an order of the devices, relative locations of the devices, or an order of performance of operations in communications between the devices.
  • the first WCD of Fig. 4 may be referenced as a second WCD and the second WCD of Fig. 4 may be referenced as a first WCD.
  • the first WCD and/or the second WCD may be referenced as a WCD.
  • the second WCD station may transmit, and the first WCD may receive, configuration information.
  • the first WCD may receive the configuration information via one or more of RRC signaling, one or more MAC CEs, sidelink control information (SCI), DCI, an Ng interface, and/or a backhaul link, among other examples.
  • the configuration information may include an indication of one or more configuration parameters (e.g., already known to the first WCD) for selection by the first WCD, or explicit configuration information for the first WCD to use to configure the first WCD, among other examples.
  • the configuration information may indicate that the first WCD is to transmit information associated with a PSD that is based at least in part on one or more parameters.
  • the configuration information may indicate values of the one or more parameters and/or one or more configurations to use to determine the one or more parameters.
  • the configuration information may indicate what the information associated with the PSD is to include (e.g., a PSD value and/or a PSD range, among other examples).
  • the first WCD may configure itself based at least in part on the configuration information.
  • the first WCD may be configured to perform one or more operations described herein based at least in part on the configuration information.
  • the first WCD may transmit, and the second WCD may receive, a capabilities report.
  • the capabilities report may indicate that the first WCD supports transmission of the information associated with the PSD.
  • the capabilities report may indicate a configuration of the second WCD to determine the one or more parameters and/or to determine a value of the PSD to include in the information based at least in part on the one or more parameters.
  • the first WCD may receive, and the second WCD may transmit, an indication of one or more parameters for generating information associated with a PSD.
  • the second WCD may transmit the indication of the one or more parameters via a control channel, RRC signaling, MAC layer signaling, an Ng interface, and/or via a backhaul or front haul link, among other examples.
  • the one or more parameters may include a transmission bandwidth, a guard band (e g., between an allocation of a link between the first WCD and the second WCD and an allocation of a link between the first WCD and a receiving device), and/or a resource block allocation, among other examples.
  • knowledge of the one or more parameters may support a determination of a total transmit power associated with the PSD to be indicated within the information based at least in part on an indication of the PSD. For example, a knowledge of a bandwidth parameter and a PSD value may be used to determine a new PSD value that is based at least in part on a change from the bandwidth parameter.
  • the first WCD may identify the one or more parameters to use for generating the information.
  • the first WCD may identify the one or more parameters based at least in part on the indication of the parameters, as described in connection with reference number 515.
  • the first WCD may identify the one or more parameters based at least in part on an explicit indication of the parameters.
  • the first WCD may identify the one or more parameters independently from (e.g., in the absence of) the indication of the parameters and/or based at least in part on an implicit indication of the parameters.
  • the first WCD may determine the one or more parameters as, or based at least in part on, the transmission bandwidth, the guard band, and/or the resource block allocation, among other examples.
  • the transmission bandwidth is based at least in part on a maximum transmission bandwidth or a configured portion of the maximum transmission bandwidth (e.g., as indicated in configuration information).
  • the one or more parameters are based at least in part on an uplink bandwidth part configuration, a bandwidth associated with at least one of the second WCD or the first WCD, a frequency-domain resource configuration (e.g., associated with hard, soft, or not available resources) of the second WCD, and/or an indication of available soft resources (e.g., resources that are available to the first WCD, if needed, but on which the first WCD is not required to transmit) in a frequency domain.
  • a bandwidth associated with at least one of the second WCD or the first WCD e.g., a bandwidth associated with at least one of the second WCD or the first WCD
  • a frequency-domain resource configuration e.g., associated with hard, soft, or not available resources
  • available soft resources e.g., resources that are available to the first WCD, if needed, but on which the first WCD is not required to transmit
  • the one or more parameters are based at least in part on a configuration associated with the transmission of the information that is associated with the PSD (e.g., using parameters associated with the transmission of the information) and/or a configuration of a transmission of a previous communication (e.g., the capabilities report, the indication of the one or more parameters, and/or another communication).
  • the one or more parameters may have values that are indicated in the configuration associated with the transmission of the information, a configuration of a transmission of a previous communication, and/or a configuration for the communication.
  • the one or more parameters may be independent from a configuration of the communication or another communication.
  • the one or more parameters may be reference parameters, such that the second WCD may use known values of the one or more parameters to determine one or more additional parameters associated with the information (e.g., total transmission power requested for transmission of the communication).
  • the first WCD may generate the information based at least in part on the one or more parameters.
  • the information may include one or more portions associated with different multiplexing modes, different full duplexing modes, different beams, different component carriers, different cells, different cells, and/or different signal types, among other examples.
  • the information includes a first portion of the information (e.g., a first indication, such as an indication of a PSD or a range of PSDs) that is associated with a first multiplexing mode (e.g., a simultaneous transmission mode) and a second portion of the information that is associated with a second multiplexing mode (e.g., a simultaneous transmission and reception mode).
  • the information includes a portion of the information that is associated with a full duplexing mode.
  • the information includes a portion of the information that is associated with a dual connectivity mode and/or different dual connectivity modes (e.g., a simultaneous transmission mode or a simultaneous transmission and reception mode, among other examples).
  • the information includes a portion of the information that is associated with a carrier aggregation mode and/or different carrier aggregation modes (e.g., a simultaneous transmission mode or a simultaneous transmission and reception mode, among other examples).
  • the information includes a portion of the information that is associated with a first transmission beam, a second portion of the information that is associated with a second transmission beam, a third portion of the information that is associated with a first reception beam, and/or a fourth portion of the information that is associated with a second reception beam.
  • the information may indicate information associated with different combinations of the transmission beams and the reception beams. For example, an indicated PSD may be based at least in part on spatial diversity between active beams.
  • the information includes a first portion of the information, transmitted via a first component carrier, that is associated with one or more second component carriers. In some aspects, the information includes a portion of the information, transmitted via the second component carrier, that is associated with the second component carrier (e.g., the portion of the information associated with each component carrier is transmitted using the corresponding component carrier). In some aspects, the information includes a portion of the information, transmitted via the first component carrier, that is associated with multiple component carriers (e.g, all, or a subset of all, component carriers).
  • the information includes different portions that are associated with different uplink channels (e.g., a PUCCH, a PUSCH, or a random access channel, among other examples).
  • the information includes different portions that are associated with different signal types (e.g., SRSs), which may be different from portions associated with one or more uplink channels.
  • the first WCD may transmit, and the second WCD may receive, the information that is based at least in part on the one or more parameters.
  • the first WCD may transmit the information within a control channel communication, an Ng interface, and/or a backhaul or front haul link, among other examples.
  • the information may include an indication of a PSD (e.g., a requested PSD) based at least in part on using the one or more parameters.
  • the first WCD may receive, and the second WCD may transmit, an indication of a configuration for transmitting a communication based at least in part on the information.
  • the second WCD may generate the configuration based at least in part the information by, for example, selecting a PSD that is within a range indicated within the information.
  • the second WCD may select the PSD based at least in part on adjusting a PSD and/or a range of PSDs based at least in part on knowledge of the one or more parameters used to determine and/or calculate the information.
  • the second WCD may adjust the PSD (e g., to double the PSD and/or the range of PSDs indicated within the information).
  • the second WCD may generate the configuration independently from the information. For example, the second WCD may ignore a requested PSD based at least in part on the communication being a high priority communication that is to be transmitted by the first WCD with a relatively high PSD, even if the relatively high PSD may cause a communication error with another communication of the first WCD.
  • the first WCD may configure one or more transmission parameters.
  • the first WCD may configure the one or more transmission parameters based at least in part on transmission of the information and/or based at least in part on the indication of the configuration.
  • the first WCD may reduce a transmission power from an amount indicated in the configuration from the second WCD, with the reduced transmission power being within a range indicated in the information or being associated with a PSD range indicated in the information.
  • the first WCD may transmit, and the second WCD may receive, the communication based at least in part on the transmission of the information.
  • the first WCD may transmit the communication based at least in part on using one or more transmission parameters associated with the information and/or associated with the indication of the configuration described in connection with reference number 535.
  • the first WCD may transmit the communication with a reduced transmission power, relative to a transmission power indicated in the configuration from the second WCD, with the reduced transmission power being within a range indicated in the information or being associated with a PSD range indicated in the information.
  • the first WCD may receive, and the second WCD may transmit, an indication of an update associated with the one or more parameters.
  • the update may update a transmission bandwidth for one or more subsequent communications, may update a guard band (e.g., between a first link and a second link of the first WCD), and/or may update a resource block allocation, among other examples.
  • the first WCD may transmit, and the second WCD may receive, updated information.
  • the first WCD may transmit the updated information associated with the PSD based at least in part on the updated information.
  • the first WCD may transmit the updated information based at least in part on a request from the second WCD (e.g., indicating an allocation of resources to transmit the updated information) and/or a request by the first WCD to provide the updated information to the second WCD, among other examples.
  • the first WCD may receive, and the second WCD may transmit, an indication of an updated configuration for transmitting one or more subsequent communications based at least in part on the updated information.
  • the updated configuration may be based at least in part on the information previously transmitted by the first WCD.
  • the updated configuration may be independent from (e.g., in the absence of) the updated information described in connection with reference number 555.
  • the second WCD may be capable of generating the updated configuration based at least in part on the information (e.g., associated with the one or more parameters) and a difference between the one or more parameters and updated one or more parameters associated with the updated configuration.
  • the first WCD may transmit, and the second WCD may receive, the one or more subsequent communications based at least in part on the transmission of the updated information.
  • the second WCD may determine transmission parameters for the first WCD to use for a communication.
  • the second WCD may determine one or more additional parameters (e.g., a total power limit) based at least in part on the indication of the PSD and knowledge of the one or more parameters used to determine and/or calculate the PSD.
  • the base station may be able to reduce self-interference and/or may be able to avoid causing a transmission power for a second transmission to be reduced to below a noise floor or to be insufficient for a receiving device to receive a communication via the second transmission. This may conserve computing, communication, network, and/or power resources based at least in part on reducing communication errors and/or reducing detection and/or correction of the communication errors.
  • Fig. 5 is provided as an example. Other examples may differ from what is described with regard to Fig. 5.
  • Fig. 6 is a diagram illustrating an example process 600 performed, for example, by a first WCD, in accordance with the present disclosure.
  • Example process 600 is an example where the first WCD (e.g., an IAB node, a child node, an MT, or a UE) performs operations associated with providing information associated with a PSD.
  • the first WCD e.g., an IAB node, a child node, an MT, or a UE
  • process 600 may include transmitting, to a second WCD, information associated with a PSD, the information being based at least in part on one ormore parameters (block 610).
  • the first WCD e.g., using communication manager 140 or 150 and/or transmission component 804, depicted in Fig. 8
  • process 600 may include transmitting, to the second WCD, a communication based at least in part on the transmission of the information (block 620).
  • the first WCD e.g., using communication manager 140 or 150 and/or transmission component 804, depicted in Fig. 8
  • Process 600 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
  • the one or more parameters comprise one or more of a transmission bandwidth, a guard band, or a resource block allocation.
  • the one or more parameters comprise the transmission bandwidth, and the transmission bandwidth is based at least in part on a maximum transmission bandwidth.
  • the one or more parameters are based at least in part on one or more of an uplink bandwidth part configuration, a bandwidth associated with at least one of the second WCD or the first WCD, a frequency-domain resource configuration (e.g., associated with hard, soft, or not available resources) of the second WCD, or an indication of available soft resources in a frequency domain.
  • an uplink bandwidth part configuration e.g., a bandwidth associated with at least one of the second WCD or the first WCD
  • a frequency-domain resource configuration e.g., associated with hard, soft, or not available resources
  • the one or more parameters are based at least in part on one or more of one or more parameters associated with the transmission of the information associated with the PSD, or one or more parameters associated with a transmission of a previous communication.
  • the one or more parameters are based at least in part on one or more of an explicit indication, from the second WCD, of the one or more parameters, or an implicit indication, from the second WCD, that is based at least in part on one or more configurations for the communication.
  • process 600 includes receiving an indication of an update associated with the one or more parameters, and transmitting updated information associated with the PSD based at least in part on the updated information.
  • process 600 includes receiving an indication of an updated configuration associated with the one or more parameters, and receiving a configuration for transmitting one or more subsequent communications based at least in part on the updated configuration and the information previously transmitted by the first WCD.
  • the information comprises one or more of a first portion of the information that is associated with a first multiplexing mode, a second portion of the information that is associated with a second multiplexing mode, a third portion of the information that is associated with full duplexing mode, a fourth portion of the information that is associated with a dual connectivity mode, or a fifth portion of the information that is associated with a carrier aggregation mode.
  • the information comprises one or more of a first portion of the information that is associated with a first transmission beam, a second portion of the information that is associated with a second transmission beam, a third portion of the information that is associated with a first reception beam, or a fourth portion of the information that is associated with a second reception beam
  • the information comprises one or more of a first portion of the information, transmitted via a first component carrier, that is associated with a second component carrier; a second portion of the information, transmitted via the second component carrier, that is associated with the second component carrier; or a third portion of the information, transmitted via the first component carrier, that is associated with multiple component carriers.
  • the information comprises one or more of a first portion of the information that is associated with a first uplink channel or signal type, or a second portion of the information that is associated with a second uplink channel or signal type.
  • process 600 includes receiving, from the second WCD and based at least in part on the information, an indication of a transmission configuration for the communication.
  • process 600 includes configuring one or more transmission parameters for the communication based at least in part on the transmission of the information.
  • the information comprises a range of the PSDs requested for the transmission of the communication.
  • process 600 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig. 6. Additionally, or alternatively, two or more of the blocks of process 600 may be performed in parallel.
  • Fig. 7 is a diagram illustrating an example process 700 performed, for example, by a first WCD, in accordance with the present disclosure.
  • Example process 700 is an example where the first WCD (e.g., abase station, a DU, a parent node, and/or another UE) (e.g., in a sidelink connection) performs operations associated with techniques for providing information associated with a PSD.
  • the first WCD e.g., abase station, a DU, a parent node, and/or another UE
  • process 700 may include receiving, from a second WCD, information associated with a PSD, the information being based at least in part on one ormore parameters (block 710).
  • the first WCD e.g., using communication manager 140 or 150 and/or reception component 902, depicted in Fig. 9
  • process 700 may include receiving, from the second WCD, a communication based at least in part on the information (block 720).
  • the first WCD e.g., using communication manager 140 or 150 and/or reception component 902, depicted in Fig. 9
  • Process 700 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
  • the one or more parameters comprise one or more of a transmission bandwidth, a reference guard band, or a resource block allocation
  • the one or more parameters comprise the transmission bandwidth, and the transmission bandwidth is based at least in part on a maximum transmission bandwidth.
  • the one or more parameters are based at least in part on one or more of an uplink bandwidth part configuration, a bandwidth associated with the first WCD, a frequency-domain resource configuration (e.g., associated with hard, soft, or not available resources) of the first WCD, or an indication of available soft resources in a frequency domain.
  • an uplink bandwidth part configuration e.g., a bandwidth associated with the first WCD
  • a frequency-domain resource configuration e.g., associated with hard, soft, or not available resources
  • the one or more parameters are based at least in part on one or more of one or more parameters associated with a transmission of the information associated with the PSD, or one or more parameters associated with a transmission of a previous communication.
  • At least one of the one or more parameters is not configured for the communication.
  • the one or more parameters are based at least in part on one or more of an explicit indication, from the first WCD, of the one or more parameters, or an implicit indication, from the first WCD, that is based at least in part on one or more configurations for the communication.
  • process 700 includes transmitting an indication of an update associated with the one or more parameters, and receiving updated information associated with the PSD based at least in part on the updated information.
  • process 700 includes transmitting an indication of an updated configuration associated with the one or more parameters, and transmitting a configuration for transmission of one or more subsequent communications based at least in part on the updated configuration and the information previously received from the second WCD.
  • the information comprises one or more of a first portion of the information that is associated with a first multiplexing mode of the second WCD, a second portion of the information that is associated with a second multiplexing mode of the second WCD, a third portion of the information that is associated with full duplexing mode of the second WCD, a fourth portion of the information that is associated with a dual connectivity mode of the second WCD, or a fifth portion of the information that is associated with a carrier aggregation mode of the second WCD.
  • the information comprises one or more of a first portion of the information that is associated with a first transmission beam of the second WCD, a second portion of the information that is associated with a second transmission beam of the second WCD, a third portion of the information that is associated with a first reception beam of the second WCD, or a fourth portion of the information that is associated with a second reception beam of the second WCD.
  • the information comprises one or more of a first portion of the information, transmitted via a first component carrier, that is associated with a second component carrier of the second WCD; a second portion of the information, transmitted via the second component carrier, that is associated with the second component carrier of the second WCD; or a third portion of the information, transmitted via the first component carrier, that is associated with a set of multiple component carriers of the second WCD.
  • the information comprises one or more of a first portion of the information that is associated with a first uplink channel or signal type of the second WCD, or a second portion of the information that is associated with a second uplink channel or signal type of the second WCD.
  • process 700 includes transmitting, to the second WCD and based at least in part on the information, an indication of a transmission configuration for the communication.
  • the information comprises a range of the PSDs requested for the transmission of the communication.
  • process 700 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig. 7 Additionally, or alternatively, two or more of the blocks of process 700 may be performed in parallel.
  • Fig. 8 is a diagram of an example apparatus 800 for wireless communication.
  • the apparatus 800 may be a first WCD, or a first WCD may include the apparatus 800.
  • the apparatus 800 includes a reception component 802 and a transmission component 804, which may be in communication with one another (for example, via one or more buses and/or one or more other components).
  • the apparatus 800 may communicate with another apparatus 806 (such as a UE, a base station, or another WCD) using the reception component 802 and the transmission component 804.
  • the apparatus 800 may include a communication manager 808 (e g., the communication manager 140 or 150).
  • the apparatus 800 may be configured to perform one or more operations described herein in connection with Fig. 5. Additionally, or alternatively, the apparatus 800 may be configured to perform one or more processes described herein, such as process 600 of Fig. 6.
  • the apparatus 800 and/or one or more components shown in Fig. 8 may include one or more components of the first WCD described in connection with Fig. 2. Additionally, or alternatively, one or more components shown in Fig. 8 may be implemented within one or more components described in connection with Fig. 2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer- readable medium and executable by a controller or a processor to perform the functions or operations of the component.
  • the reception component 802 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 806.
  • the reception component 802 may provide received communications to one or more other components of the apparatus 800.
  • the reception component 802 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and may provide the processed signals to the one or more other components of the apparatus 800.
  • the reception component 802 may include one or more antennas, a modem, a demodulator, a MIMO detector, a receive processor, a controller/processor, a memory, or a combination thereof, of the first WCD described in connection with Fig. 2.
  • the transmission component 804 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 806.
  • one or more other components of the apparatus 800 may generate communications and may provide the generated communications to the transmission component 804 for transmission to the apparatus 806.
  • the transmission component 804 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and may transmit the processed signals to the apparatus 806.
  • the transmission component 804 may include one or more antennas, a modem, a modulator, a transmit MIMO processor, a transmit processor, a controller/processor, a memory, or a combination thereof, of the first WCD described in connection with Fig. 2. In some aspects, the transmission component 804 may be co-located with the reception component 802 in a transceiver.
  • the transmission component 804 may transmit, to a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters.
  • the transmission component 804 may transmit, to the second WCD, a communication based at least in part on the transmission of the information.
  • the reception component 802 may receive an indication of an update associated with the one or more parameters.
  • the transmission component 804 may transmit updated information associated with the PSD based at least in part on the updated information.
  • the reception component 802 may receive an indication of an updated configuration associated with the one or more parameters.
  • the reception component 802 may receive a configuration for transmitting one or more subsequent communications based at least in part on the updated configuration and the information previously transmitted by the first WCD.
  • the reception component 802 may receive, from the second WCD and based at least in part on the information, an indication of a transmission configuration for the communication.
  • the communication manager 808 may configure one or more transmission parameters for the communication based at least in part on the transmission of the information.
  • Fig. 8 The number and arrangement of components shown in Fig. 8 are provided as an example. In practice, there may be additional components, fewer components, different components, or differently arranged components than those shown in Fig. 8. Furthermore, two or more components shown in Fig. 8 may be implemented within a single component, or a single component shown in Fig. 8 may be implemented as multiple, distributed components. Additionally, or alternatively, a set of (one or more) components shown in Fig. 8 may perform one or more functions described as being performed by another set of components shown in Fig. 8.
  • Fig. 9 is a diagram of an example apparatus 900 for wireless communication.
  • the apparatus 900 may be a first WCD, or a first WCD may include the apparatus 900.
  • the apparatus 900 includes a reception component 902 and a transmission component 904, which may be in communication with one another (for example, via one or more buses and/or one or more other components).
  • the apparatus 900 may communicate with another apparatus 906 (such as a UE, a base station, or another WCD) using the reception component 902 and the transmission component 904.
  • the apparatus 900 may include a communication manager 908 (e g., the communication manager 140 or 150).
  • the apparatus 900 may be configured to perform one or more operations described herein in connection with Fig. 5. Additionally, or alternatively, the apparatus 900 may be configured to perform one or more processes described herein, such as process 700 of Fig. 7.
  • the apparatus 900 and/or one or more components shown in Fig. 9 may include one or more components of the first WCD described in connection with Fig. 2. Additionally, or alternatively, one or more components shown in Fig. 9 may be implemented within one or more components described in connection with Fig. 2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer- readable medium and executable by a controller or a processor to perform the functions or operations of the component.
  • the reception component 902 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 906.
  • the reception component 902 may provide received communications to one or more other components of the apparatus 900.
  • the reception component 902 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and may provide the processed signals to the one or more other components of the apparatus 900.
  • the reception component 902 may include one or more antennas, a modem, a demodulator, a MIMO detector, a receive processor, a controller/processor, a memory, or a combination thereof, of the first WCD described in connection with Fig. 2.
  • the transmission component 904 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 906.
  • one or more other components of the apparatus 900 may generate communications and may provide the generated communications to the transmission component 904 for transmission to the apparatus 906.
  • the transmission component 904 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and may transmit the processed signals to the apparatus 906.
  • the transmission component 904 may include one or more antennas, a modem, a modulator, a transmit MIMO processor, a transmit processor, a controller/processor, a memory, or a combination thereof, of the first WCD described in connection with Fig. 2. In some aspects, the transmission component 904 may be co-located with the reception component 902 in a transceiver. [0181] The reception component 902 may receive, from a second WCD, information associated with a PSD, the information being based at least in part on one or more parameters. The reception component 902 may receive, from the second WCD, a communication based at least in part on the information.
  • the transmission component 904 may transmit an indication of an update associated with the one or more parameters.
  • the reception component 902 may receive updated information associated with the PSD based at least in part on the updated information.
  • the transmission component 904 may transmit an indication of an updated configuration associated with the one or more parameters.
  • the transmission component 904 may transmit a configuration for transmission of one or more subsequent communications based at least in part on the updated configuration and the information previously received from the second WCD.
  • the transmission component 904 may transmit, to the second WCD and based at least in part on the information, an indication of a transmission configuration for the communication.
  • the number and arrangement of components shown in Fig. 9 are provided as an example. In practice, there may be additional components, fewer components, different components, or differently arranged components than those shown in Fig. 9. Furthermore, two or more components shown in Fig. 9 may be implemented within a single component, or a single component shown in Fig. 9 may be implemented as multiple, distributed components. Additionally, or alternatively, a set of (one or more) components shown in Fig. 9 may perform one or more functions described as being performed by another set of components shown in Fig. 9.
  • Aspect 1 A method of wireless communication performed by a first wireless communication device (WCD), comprising: transmitting, to a second WCD, information associated with a power spectral density (PSD), the information being based at least in part on one or more parameters; and transmitting, to the second WCD, a communication based at least in part on the transmission of the information.
  • WCD wireless communication device
  • Aspect 2 The method of Aspect 1, wherein the one or more parameters comprise one or more of: a transmission bandwidth, a guard band, or a resource block allocation.
  • Aspect 3 The method of Aspect 2, wherein the one or more parameters comprise the transmission bandwidth, and wherein the transmission bandwidth is based at least in part on a maximum transmission bandwidth.
  • Aspect 4 The method of any of Aspects 1-3, wherein the one or more parameters are based at least in part on one or more of: an uplink bandwidth part configuration, a bandwidth associated with at least one of the second WCD or the first WCD, a frequency-domain resource configuration of at least one of the second WCD or the first WCD, or an indication of available soft resources in a frequency domain.
  • Aspect 5 The method of any of Aspects 1-4, wherein the one or more parameters are based at least in part on one or more of: one or more parameters associated with the transmission of the information associated with the PSD, or one or more parameters associated with a transmission of a previous communication.
  • Aspect 6 The method of any of Aspects 1-5, wherein at least one of the one or more parameters are not configured for the communication.
  • Aspect 7 The method of any of Aspects 1-6, wherein the one or more parameters are based at least in part on one or more of: an explicit indication, from the second WCD, of the one or more parameters, or an implicit indication, from the second WCD, that is based at least in part on one or more configurations for the communication.
  • Aspect 8 The method of any of Aspects 1-7, further comprising: receiving an indication of an update associated with the one or more parameters; and transmitting updated information associated with the PSD based at least in part on the updated information.
  • Aspect 9 The method of any of Aspects 1-8, further comprising: receiving an indication of an updated configuration associated with the one or more parameters; and receiving a configuration for transmitting one or more subsequent communications based at least in part on the updated configuration and the information previously transmitted by the first WCD.
  • Aspect 10 The method of any of Aspects 1-9, wherein the information comprises one or more of: a first portion of the information that is associated with a first multiplexing mode, a second portion of the information that is associated with a second multiplexing mode, a third portion of the information that is associated with full duplexing mode, a fourth portion of the information that is associated with a dual connectivity mode, or a fifth portion of the information that is associated with a carrier aggregation mode.
  • Aspect 11 The method of any of Aspects 1-10, wherein the information comprises one or more of: a first portion of the information that is associated with a first transmission beam, a second portion of the information that is associated with a second transmission beam, a third portion of the information that is associated with a first reception beam, or a fourth portion of the information that is associated with a second reception beam.
  • Aspect 12 The method of any of Aspects 1-11, wherein the information comprises one or more of: a first portion of the information, transmitted via a first component carrier, that is associated with a second component carrier, a second portion of the information, transmitted via the second component carrier, that is associated with the second component carrier, or a third portion of the information, transmitted via the first component carrier, that is associated with multiple component carriers.
  • Aspect 13 The method of any of Aspects 1-12, wherein the information comprises one or more of: a first portion of the information that is associated with a first uplink channel or signal type, or a second portion of the information that is associated with a second uplink channel or signal type.
  • Aspect 14 The method of any of Aspects 1-13, further comprising: receiving, from the second WCD and based at least in part on the information, an indication of a transmission configuration for the communication.
  • Aspect 15 The method of any of Aspects 1-14, further comprising: configuring one or more transmission parameters for the communication based at least in part on the transmission of the information.
  • Aspect 16 The method of any of Aspects 1-15, wherein the information comprises a range of the PSD requested for the transmission of the communication.
  • Aspect 17 A method of wireless communication performed by a first wireless communication device (WCD), comprising: receiving, from a second WCD, information associated with a power spectral density (PSD), the information being based at least in part on one or more parameters; and receiving, from the second WCD, a communication based at least in part on the information.
  • WCD wireless communication device
  • Aspect 18 The method of Aspect 17, wherein the one or more parameters comprise one or more of: a transmission bandwidth, a reference guard band, or a resource block allocation.
  • Aspect 19 The method of Aspect 18, wherein the one or more parameters comprise the transmission bandwidth, and wherein the transmission bandwidth is based at least in part on a maximum transmission bandwidth.
  • Aspect 20 The method of any of Aspects 17-19, wherein the one or more parameters are based at least in part on one or more of: an uplink bandwidth part configuration, a bandwidth associated with the first WCD, a frequency-domain resource configuration of the first WCD, or an indication of available soft resources in a frequency domain.
  • Aspect 21 The method of any of Aspects 17-20, wherein the one or more parameters are based at least in part on one or more of: one or more parameters associated with a transmission of the information associated with the PSD, or one or more parameters associated with a transmission of a previous communication.
  • Aspect 22 The method of any of Aspects 17-21, wherein at least one of the one or more parameters are not configured for the communication.
  • Aspect 23 The method of any of Aspects 17-22, wherein the one or more parameters are based at least in part on one or more of: an explicit indication, from the first WCD, of the one or more parameters, or an implicit indication, from the first WCD, that is based at least in part on one or more configurations for the communication.
  • Aspect 24 The method of any of Aspects 17-23, further comprising: transmitting an indication of an update associated with the one or more parameters; and receiving updated information associated with the PSD based at least in part on the updated information.
  • Aspect 25 The method of any of Aspects 17-24, further comprising: transmitting an indication of an updated configuration associated with the one or more parameters; and transmitting a configuration for transmission of one or more subsequent communications based at least in part on the updated configuration and the information previously received from the second WCD.
  • Aspect 26 The method of any of Aspects 17-25, wherein the information comprises one or more of: a first portion of the information that is associated with a first multiplexing mode of the second WCD, a second portion of the information that is associated with a second multiplexing mode of the second WCD, a third portion of the information that is associated with full duplexing mode of the second WCD, a fourth portion of the information that is associated with a dual connectivity mode of the second WCD, or a fifth portion of the information that is associated with a carrier aggregation mode of the second WCD
  • Aspect 27 The method of any of Aspects 17-26, wherein the information comprises one or more of: a first portion of the information that is associated with a first transmission beam of the second WCD, a second portion of the information that is associated with a second transmission beam of the second WCD, a third portion of the information that is associated with a first reception beam of the second WCD, or a fourth portion of the information that is associated with a second reception beam of the second WCD
  • Aspect 28 The method of any of Aspects 17-27, wherein the information comprises one or more of: a first portion of the information, transmitted via a first component carrier, that is associated with a second component carrier of the second WCD, a second portion of the information, transmitted via the second component carrier, that is associated with the second component carrier of the second WCD, or a third portion of the information, transmitted via the first component carrier, that is associated with a set of multiple component carriers of the second WCD.
  • Aspect 29 The method of any of Aspects 17-28, wherein the information comprises one or more of: a first portion of the information that is associated with a first uplink channel or signal type of the second WCD, or a second portion of the information that is associated with a second uplink channel or signal type of the second WCD.
  • Aspect 30 The method of any of Aspects 17-29, further comprising: transmitting, to the second WCD and based at least in part on the information, an indication of a transmission configuration for the communication.
  • Aspect 31 The method of any of Aspects 17-30, wherein the information comprises a range of the PSD requested for the transmission of the communication.
  • Aspect 32 An apparatus for wireless communication at a device, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of one or more of Aspects 1-31.
  • Aspect 33 A device for wireless communication, comprising a memory and one or more processors coupled to the memory, the one or more processors configured to perform the method of one or more of Aspects 1-31.
  • Aspect 34 An apparatus for wireless communication, comprising at least one means for performing the method of one or more of Aspects 1-31.
  • Aspect 35 A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of Aspects 1-31.
  • Aspect 36 A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of Aspects 1-31.
  • the term “component” is intended to be broadly construed as hardware and/or a combination of hardware and software.
  • “Software” shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, and/or functions, among other examples, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.
  • a “processor” is implemented in hardware and/or a combination of hardware and software. It will be apparent that systems and/or methods described herein may be implemented in different forms of hardware and/or a combination of hardware and software. The actual specialized control hardware or software code used to implement these systems and/or methods is not limiting of the aspects. Thus, the operation and behavior of the systems and/or methods are described herein without reference to specific software code, since those skilled in the art will understand that software and hardware can be designed to implement the systems and/or methods based, at least in part, on the description herein.
  • satisfying a threshold may, depending on the context, refer to a value being greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, not equal to the threshold, or the like.
  • “at least one of: a, b, or c” is intended to cover a, b, c, a + b, a + c, b + c, and a + b + c, as well as any combination with multiples of the same element (e.g., a + a, a + a + a, a + a + b, a + a + c, a + b + b, a + c + c, b + b, b + b + b, b + b + c, c + c, and c + c + c, or any other ordering of a, b, and c).
  • the terms “has,” “have,” “having,” or the like are intended to be open-ended terms that do not limit an element that they modify (e.g., an element “having” A may also have B). Further, the phrase “based on” is intended to mean “based, at least in part, on” unless explicitly stated otherwise. Also, as used herein, the term “or” is intended to be inclusive when used in a series and may be used interchangeably with “and/or,” unless explicitly stated otherwise (e.g., if used in combination with “either” or “only one of’).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Divers aspects de la présente divulgation portent d'une manière générale sur la communication sans fil. Selon certains aspects, un premier dispositif de communication sans fil (WCD) peut transmettre, à un deuxième WCD, des informations associées à une densité spectrale de puissance (PSD), les informations comprenant une plage de PSD qui peut être utilisée pour transmettre une communication. Le WCD peut transmettre, au deuxième WCD, la communication sur la base, au moins en partie, de la transmission des informations. De nombreux autres aspects sont décrits.
PCT/US2022/076322 2021-09-29 2022-09-13 Techniques pour fournir des informations associées à une densité spectrale de puissance WO2023056173A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280064194.4A CN118020355A (zh) 2021-09-29 2022-09-13 用于提供与功率谱密度相关联的信息的技术
KR1020247009807A KR20240068654A (ko) 2021-09-29 2022-09-13 전력 스펙트럼 밀도와 연관된 정보를 제공하기 위한 기법들

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US202163261789P 2021-09-29 2021-09-29
US63/261,789 2021-09-29
US202163262003P 2021-10-01 2021-10-01
US63/262,003 2021-10-01
US17/931,357 US20230094729A1 (en) 2021-09-29 2022-09-12 Techniques for providing information associated with a power spectral density
US17/931,357 2022-09-12

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200229104A1 (en) * 2019-01-10 2020-07-16 Lenovo (Singapore) Pte. Ltd. Uplink power control
US20210266847A1 (en) * 2020-05-12 2021-08-26 Laurent Cariou Power spectral density limit for 6 ghz

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200229104A1 (en) * 2019-01-10 2020-07-16 Lenovo (Singapore) Pte. Ltd. Uplink power control
US20210266847A1 (en) * 2020-05-12 2021-08-26 Laurent Cariou Power spectral density limit for 6 ghz

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