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WO2025179021A1 - Commande de puissance pour unités d'émission/réception sans fil agrégées - Google Patents

Commande de puissance pour unités d'émission/réception sans fil agrégées

Info

Publication number
WO2025179021A1
WO2025179021A1 PCT/US2025/016601 US2025016601W WO2025179021A1 WO 2025179021 A1 WO2025179021 A1 WO 2025179021A1 US 2025016601 W US2025016601 W US 2025016601W WO 2025179021 A1 WO2025179021 A1 WO 2025179021A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission power
wtru
transmission
aggregated
group
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/US2025/016601
Other languages
English (en)
Inventor
Tuong Hoang
Tao Deng
Benoit Pelletier
Loic CANONNE-VELASQUEZ
Jaya Rao
Martino Freda
Jongwoo HONG
Virgile Garcia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Patent Holdings Inc
Original Assignee
InterDigital Patent Holdings Inc
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
Application filed by InterDigital Patent Holdings Inc filed Critical InterDigital Patent Holdings Inc
Publication of WO2025179021A1 publication Critical patent/WO2025179021A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/383—TPC being performed in particular situations power control in peer-to-peer links

Definitions

  • the present disclosure is generally directed to the fields of communications, software and encoding, including, for example, to methods, architectures, apparatuses, systems directed to power control for aggregated wireless transmit/receive units (WTRUs).
  • WTRUs wireless transmit/receive units
  • the present principles are directed to a method at a wireless transmit/receive unit, WTRU, in a group of aggregated WTRUs, the method comprising receiving information indicative of a request to adjust transmission power for the group of aggregated WTRUs, determining, for at least one of the first WTRU and at least one second WTRU in the group of aggregated WTRUs, a respective power adjustment amount based on the received information indicative of transmission power availability, and sending, to a (e.g., each) second WTRU of the at least one second WTRU for which a non-zero power adjustment amount has been determined, the non-zero power adjustment amount corresponding to the second WTRU.
  • a wireless transmit/receive unit WTRU
  • the method comprises receiving, from at least one second WTRU, respective information indicative of transmission power availability.
  • the information indicative of a request to adjust transmission power for the group of aggregated WTRUs is received from a base station.
  • the method comprises, in case a non-zero power adjustment value has been determined for the first WTRU, adjusting a transmission power of the first WTRU according to the power adjustment value, and transmitting, using the adjusted transmission power, information to the base station.
  • the present principles are directed to a first wireless transmit/receive unit, WTRU, configured to operate in a group of aggregated WTRUs, the first WTRU comprising at least one processor configured to receive information indicative of a request to adjust transmission power for the group of aggregated further WTRUs, determine, for at least one of the first WTRU and at least one second WTRU in the group of aggregated WTRUs, a respective power adjustment amount based on the received information indicative of transmission power availability, and send, to a (e.g., each) second WTRU of the at least one second WTRU for which a non-zero power adjustment amount has been determined, the non-zero power adjustment amount corresponding to the second WTRU.
  • a wireless transmit/receive unit WTRU, configured to operate in a group of aggregated WTRUs
  • the first WTRU comprising at least one processor configured to receive information indicative of a request to adjust transmission power for the group of aggregated further WTRUs, determine, for at least one of
  • the at least one processor is configured to receive, from at least one second WTRU, respective information indicative of transmission power availability.
  • the at least one processor is configured to receive the information indicative of a request to adjust transmission power for the group of aggregated WTRUs is received from a base station.
  • the at least one processor is configured to, in case a non-zero power adjustment value has been determined for the first WTRU, adjust a transmission power of the first WTRU according to the power adjustment value, and transmit, using the adjusted transmission power, information to the base station.
  • the present principles are directed to a method at a first wireless transmit/receive unit, WTRU, in a group of aggregated further WTRUs, the method comprising receiving a resource grant for an aggregated uplink transmission, receiving transmission power information from at least one second WTRU in the group of aggregated WTRUs, determining a transmission power of the first WTRU based on an expected received power at a base station receiving the aggregated WTRU uplink transmission, and on the received transmission power information, and performing the aggregated uplink transmission using the determined transmission power.
  • the transmission power is further determined based on a pathloss to the base station.
  • the present principles are directed to a first wireless transmit/receive unit, WTRU, configured to operate in a group of aggregated WTRUs, the first WTRU comprising at least one processor configured to receive a resource grant for an aggregated uplink transmission, receive transmission power information from at least one second WTRU in the group of aggregated WTRUs, determine a transmission power of the first WTRU based on an expected received power at a base station receiving the aggregated WTRU uplink transmission, and on the received transmission power information, and perform the aggregated uplink transmission using the determined transmission power.
  • WTRU wireless transmit/receive unit
  • the transmission power is further determined based on a pathloss to the base station.
  • the present principles are directed to a method at a first wireless transmit/receive unit, WTRU, in a group of aggregated WTRUs, the method comprising receiving, from at least one second WTRU in the group of aggregated WTRUs, respective information indicative of transmission power availability, determining a transmission power availability for the first WTRU based on the received information indicative of transmission power availability, determining a group transmission power availability for the group of aggregated WTRUs based on the received information indicative of transmission power availability, and in case at least one of the transmission power availabilities and the group transmission power availability satisfies a condition, transmitting to a network information indicative of at least one of the transmission power availability of the first WTRU, transmission power availability of the at least one second WTRU, and the group transmission power availability.
  • the present principles are directed to a first wireless transmit/receive unit, WTRU, configured to operate in a group of aggregated WTRUs, the first WTRU comprising at least one processor configured to receive, from at least one second WTRU in the group of aggregated WTRUs, respective information indicative of transmission power availability, determine a transmission power availability for the first WTRU based on the received information indicative of transmission power availability, determine a group transmission power availability for the group of aggregated WTRUs based on the received information indicative of transmission power availability, and in case at least one of the transmission power availabilities and the group transmission power availability satisfies a condition, transmit to a network information indicative of at least one of the transmission power availability of the first WTRU, respective transmission power availability of the at least one second WTRU, and the group transmission power availability.
  • the present principles are directed to a method at a first wireless transmit/receive unit, WTRU, in a group of aggregated WTRUs, the method comprising receiving a resource grant for uplink transmission, and performing the uplink transmission using a first set of transmission parameters in case the uplink transmission is part of a WTRU aggregated transmission and a second set of transmission parameters in case the uplink transmission is not part of the WTRU aggregated transmission.
  • FIG. 1C is a system diagram illustrating an example radio access network (RAN) and an example core network (CN) that may be used within the communications system illustrated in FIG. 1A;
  • RAN radio access network
  • CN core network
  • FIG. 4 illustrates a method for Open Loop Power Control (OLCP) for UE aggregation according to an embodiment of the present principles
  • FIG. 5 illustrates a method for determination of transmission parameters according to an embodiment of the present principles
  • the methods, apparatuses and systems provided herein are well-suited for communications involving both wired and wireless networks.
  • An overview of various types of wireless devices and infrastructure is provided with respect to FIGs. 1A-1D, where various elements of the network may utilize, perform, be arranged in accordance with and/or be adapted and/or configured for the methods, apparatuses and systems provided herein.
  • FIG. 1A is a system diagram illustrating an example communications system 100 in which one or more disclosed embodiments may be implemented.
  • the communications system 100 may be a multiple access system that provides content, such as voice, data, video, messaging, broadcast, etc., to multiple wireless users.
  • the communications system 100 may enable multiple wireless users to access such content through the sharing of system resources, including wireless bandwidth.
  • the communications systems 100 may employ one or more channel access methods, such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), singlecarrier FDMA (SC-FDMA), zero-tail (ZT) unique-word (UW) discreet Fourier transform (DFT) spread OFDM (ZT UW DTS-s OFDM), unique word OFDM (UW-OFDM), resource block- filtered OFDM, filter bank multicarrier (FBMC), and the like.
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal FDMA
  • SC-FDMA singlecarrier FDMA
  • ZT zero-tail
  • ZT UW unique-word
  • DFT discreet Fourier transform
  • OFDM ZT UW DTS-s OFDM
  • UW-OFDM unique word OFDM
  • FBMC filter bank multicarrier
  • the communications system 100 may include wireless transmit/receive units (WTRUs) 102a, 102b, 102c, 102d, a radio access network (RAN) 104/113, a core network (CN) 106/115, a public switched telephone network (PSTN) 108, the Internet 110, and other networks 112, though it will be appreciated that the disclosed embodiments contemplate any number of WTRUs, base stations, networks, and/or network elements.
  • Each of the WTRUs 102a, 102b, 102c, 102d may be any type of device configured to operate and/or communicate in a wireless environment.
  • the base stations 114a, 114b may be any of a base transceiver station (BTS), a Node-B (NB), an eNode-B (eNB), a Home Node-B (HNB), a Home eNode-B (HeNB), a gNode-B (gNB), a NR Node-B (NR NB), a site controller, an access point (AP), a wireless router, and the like. While the base stations 114a, 114b are each depicted as a single element, it will be appreciated that the base stations 114a, 114b may include any number of interconnected base stations and/or network elements.
  • the base station 114a may be part of the RAN 104/113, which may also include other base stations and/or network elements (not shown), such as a base station controller (BSC), a radio network controller (RNC), relay nodes, etc.
  • BSC base station controller
  • RNC radio network controller
  • the base station 114a and/or the base station 114b may be configured to transmit and/or receive wireless signals on one or more carrier frequencies, which may be referred to as a cell (not shown). These frequencies may be in licensed spectrum, unlicensed spectrum, or a combination of licensed and unlicensed spectrum.
  • a cell may provide coverage for a wireless service to a specific geographical area that may be relatively fixed or that may change over time. The cell may further be divided into cell sectors.
  • the cell associated with the base station 114a may be divided into three sectors.
  • the base station 114a may include three transceivers, i.e., one for each sector of the cell.
  • the base station 114a may employ multiple-input multiple output (MIMO) technology and may utilize multiple transceivers for each or any sector of the cell.
  • MIMO multiple-input multiple output
  • beamforming may be used to transmit and/or receive signals in desired spatial directions.
  • the base stations 114a, 114b may communicate with one or more of the WTRUs 102a, 102b, 102c, 102d over an air interface 116, which may be any suitable wireless communication link (e.g., radio frequency (RF), microwave, centimeter wave, micrometer wave, infrared (IR), ultraviolet (UV), visible light, etc.).
  • the air interface 116 may be established using any suitable radio access technology (RAT).
  • RAT radio access technology
  • the base station 114a and the WTRUs 102a, 102b, 102c may implement a radio technology such as Evolved UMTS Terrestrial Radio Access (E-UTRA), which may establish the air interface 116 using Long Term Evolution (LTE) and/or LTE- Advanced (LTE-A) and/or LTE-Advanced Pro (LTE-A Pro).
  • E-UTRA Evolved UMTS Terrestrial Radio Access
  • LTE Long Term Evolution
  • LTE-A LTE- Advanced
  • LTE-A Pro LTE-Advanced Pro
  • the base station 114a and the WTRUs 102a, 102b, 102c may implement a radio technology such as NR Radio Access, which may establish the air interface 116 using New Radio (NR).
  • a radio technology such as NR Radio Access, which may establish the air interface 116 using New Radio (NR).
  • the base station 114a and the WTRUs 102a, 102b, 102c may implement radio technologies such as IEEE 802.11 (i.e., Wireless Fidelity (Wi-Fi), IEEE 802.16 (i.e., Worldwide Interoperability for Microwave Access (WiMAX)), CDMA2000, CDMA2000 IX, CDMA2000 EV-DO, Interim Standard 2000 (IS-2000), Interim Standard 95 (IS-95), Interim Standard 856 (IS-856), Global System for Mobile communications (GSM), Enhanced Data rates for GSM Evolution (EDGE), GSM EDGE (GERAN), and the like.
  • IEEE 802.11 i.e., Wireless Fidelity (Wi-Fi)
  • IEEE 802.16 i.e., Worldwide Interoperability for Microwave Access (WiMAX)
  • CDMA2000, CDMA2000 IX, CDMA2000 EV-DO Code Division Multiple Access 2000
  • IS-2000 Interim Standard 95
  • IS-856 Interim Standard 856
  • GSM Global
  • the base station 114b in FIG. 1 A may be a wireless router, Home Node-B, Home eNode- B, or access point, for example, and may utilize any suitable RAT for facilitating wireless connectivity in a localized area, such as a place of business, a home, a vehicle, a campus, an industrial facility, an air corridor (e.g., for use by drones), a roadway, and the like.
  • the base station 114b and the WTRUs 102c, 102d may implement a radio technology such as IEEE 802.11 to establish a wireless local area network (WLAN).
  • WLAN wireless local area network
  • the base station 114b and the WTRUs 102c, 102d may implement a radio technology such as IEEE 802.15 to establish a wireless personal area network (WPAN).
  • the base station 114b and the WTRUs 102c, 102d may utilize a cellular-based RAT (e.g., WCDMA, CDMA2000, GSM, LTE, LTE-A, LTE-A Pro, NR, etc.) to establish any of a small cell, picocell or femtocell.
  • a cellular-based RAT e.g., WCDMA, CDMA2000, GSM, LTE, LTE-A, LTE-A Pro, NR, etc.
  • the base station 114b may have a direct connection to the Internet 110.
  • the base station 114b may not be required to access the Internet 110 via the CN 106/115.
  • the RAN 104/113 may be in communication with the CN 106/115, which may be any type of network configured to provide voice, data, applications, and/or voice over internet protocol (VoIP) services to one or more of the WTRUs 102a, 102b, 102c, 102d.
  • the data may have varying quality of service (QoS) requirements, such as differing throughput requirements, latency requirements, error tolerance requirements, reliability requirements, data throughput requirements, mobility requirements, and the like.
  • QoS quality of service
  • the CN 106/115 may provide call control, billing services, mobile location-based services, pre-paid calling, Internet connectivity, video distribution, etc., and/or perform high-level security functions, such as user authentication.
  • the CN 106/115 may also serve as a gateway for the WTRUs 102a, 102b, 102c, 102d to access the PSTN 108, the Internet 110, and/or other networks 112.
  • the PSTN 108 may include circuit-switched telephone networks that provide plain old telephone service (POTS).
  • POTS plain old telephone service
  • the Internet 110 may include a global system of interconnected computer networks and devices that use common communication protocols, such as the transmission control protocol (TCP), user datagram protocol (UDP) and/or the internet protocol (IP) in the TCP/IP internet protocol suite.
  • the networks 112 may include wired and/or wireless communications networks owned and/or operated by other service providers.
  • the networks 112 may include another CN connected to one or more RANs, which may employ the same RAT as the RAN 104/114 or a different RAT.
  • the WTRUs 102a, 102b, 102c, 102d in the communications system 100 may include multi-mode capabilities (e.g., the WTRUs 102a, 102b, 102c, 102d may include multiple transceivers for communicating with different wireless networks over different wireless links).
  • the WTRU 102c shown in FIG. 1A may be configured to communicate with the base station 114a, which may employ a cellular-based radio technology, and with the base station 114b, which may employ an IEEE 802 radio technology.
  • FIG. IB is a system diagram illustrating an example WTRU 102. As shown in FIG.
  • the transceiver 120 may be configured to modulate the signals that are to be transmitted by the transmit/receive element 122 and to demodulate the signals that are received by the transmit/receive element 122.
  • the WTRU 102 may have multi-mode capabilities.
  • the transceiver 120 may include multiple transceivers for enabling the WTRU 102 to communicate via multiple RATs, such as NR and IEEE 802.11, for example.
  • the processor 118 of the WTRU 102 may be coupled to, and may receive user input data from, the speaker/microphone 124, the keypad 126, and/or the display/touchpad 128 (e.g., a liquid crystal display (LCD) display unit or organic light-emitting diode (OLED) display unit).
  • the processor 118 may also output user data to the speaker/microphone 124, the keypad 126, and/or the display/touchpad 128.
  • the processor 118 may access information from, and store data in, any type of suitable memory, such as the non-removable memory 130 and/or the removable memory 132.
  • the non-removable memory 130 may include random-access memory (RAM), readonly memory (ROM), a hard disk, or any other type of memory storage device.
  • the removable memory 132 may include a subscriber identity module (SIM) card, a memory stick, a secure digital (SD) memory card, and the like.
  • SIM subscriber identity module
  • SD secure digital
  • the processor 118 may access information from, and store data in, memory that is not physically located on the WTRU 102, such as on a server or a home computer (not shown).
  • the processor 118 may receive power from the power source 134, and may be configured to distribute and/or control the power to the other components in the WTRU 102.
  • the power source 134 may be any suitable device for powering the WTRU 102.
  • the power source 134 may include one or more dry cell batteries (e.g., nickel-cadmium (NiCd), nickel-zinc (NiZn), nickel metal hydride (NiMH), lithium-ion (Li-ion), etc.), solar cells, fuel cells, and the like.
  • the processor 118 may also be coupled to the GPS chipset 136, which may be configured to provide location information (e.g., longitude and latitude) regarding the current location of the WTRU 102.
  • location information e.g., longitude and latitude
  • the WTRU 102 may receive location information over the air interface 116 from a base station (e.g., base stations 114a, 114b) and/or determine its location based on the timing of the signals being received from two or more nearby base stations. It will be appreciated that the WTRU 102 may acquire location information by way of any suitable location-determination method while remaining consistent with an embodiment.
  • the processor 118 may further be coupled to other elements/peripherals 138, which may include one or more software and/or hardware modules/units that provide additional features, functionality and/or wired or wireless connectivity.
  • the elements/peripherals 138 may include an accelerometer, an e-compass, a satellite transceiver, a digital camera (e.g., for photographs and/or video), a universal serial bus (USB) port, a vibration device, a television transceiver, a hands free headset, a Bluetooth® module, a frequency modulated (FM) radio unit, a digital music player, a media player, a video game player module, an Internet browser, a virtual reality and/or augmented reality (VR/AR) device, an activity tracker, and the like.
  • FM frequency modulated
  • the elements/peripherals 138 may include one or more sensors, the sensors may be one or more of a gyroscope, an accelerometer, a hall effect sensor, a magnetometer, an orientation sensor, a proximity sensor, a temperature sensor, a time sensor; a geolocation sensor; an altimeter, a light sensor, a touch sensor, a magnetometer, a barometer, a gesture sensor, a biometric sensor, and/or a humidity sensor.
  • a gyroscope an accelerometer, a hall effect sensor, a magnetometer, an orientation sensor, a proximity sensor, a temperature sensor, a time sensor; a geolocation sensor; an altimeter, a light sensor, a touch sensor, a magnetometer, a barometer, a gesture sensor, a biometric sensor, and/or a humidity sensor.
  • the WTRU 102 may include a half-duplex radio for which transmission and reception of some or all of the signals (e.g., associated with particular subframes for either the uplink (e.g., for transmission) or the downlink (e.g., for reception)).
  • a half-duplex radio for which transmission and reception of some or all of the signals (e.g., associated with particular subframes for either the uplink (e.g., for transmission) or the downlink (e.g., for reception)).
  • FIG. 1C is a system diagram illustrating the RAN 104 and the CN 106 according to an embodiment.
  • the RAN 104 may employ an E-UTRA radio technology to communicate with the WTRUs 102a, 102b, and 102c over the air interface 116.
  • the RAN 104 may also be in communication with the CN 106.
  • the RAN 104 may include eNode-Bs 160a, 160b, 160c, though it will be appreciated that the RAN 104 may include any number of eNode-Bs while remaining consistent with an embodiment.
  • the eNode-Bs 160a, 160b, 160c may each include one or more transceivers for communicating with the WTRUs 102a, 102b, 102c over the air interface 116.
  • the eNode-Bs 160a, 160b, 160c may implement MIMO technology.
  • the eNode-B 160a for example, may use multiple antennas to transmit wireless signals to, and receive wireless signals from, the WTRU 102a.
  • Each of the eNode-Bs 160a, 160b, and 160c may be associated with a particular cell (not shown) and may be configured to handle radio resource management decisions, handover decisions, scheduling of users in the uplink (UL) and/or downlink (DL), and the like. As shown in FIG. 1C, the eNode-Bs 160a, 160b, 160c may communicate with one another over an X2 interface.
  • the CN 106 shown in FIG. 1C may include a mobility management entity (MME) 162, a serving gateway (SGW) 164, and a packet data network (PDN) gateway (PGW) 166.
  • MME mobility management entity
  • SGW serving gateway
  • PGW packet data network gateway
  • the MME 162 may be connected to each of the eNode-Bs 160a, 160b, and 160c in the RAN 104 via an SI interface and may serve as a control node.
  • the MME 162 may be responsible for authenticating users of the WTRUs 102a, 102b, 102c, bearer activation/deactivation, selecting a particular serving gateway during an initial attach of the WTRUs 102a, 102b, 102c, and the like.
  • the MME 162 may provide a control plane function for switching between the RAN 104 and other RANs (not shown) that employ other radio technologies, such as GSM and/or WCDMA.
  • the SGW 164 may be connected to each of the eNode-Bs 160a, 160b, 160c in the RAN 104 via the SI interface.
  • the SGW 164 may generally route and forward user data packets to/from the WTRUs 102a, 102b, 102c.
  • the SGW 164 may perform other functions, such as anchoring user planes during inter-eNode-B handovers, triggering paging when DL data is available for the WTRUs 102a, 102b, 102c, managing and storing contexts of the WTRUs 102a, 102b, 102c, and the like.
  • the SGW 164 may be connected to the PGW 166, which may provide the WTRUs 102a, 102b, 102c with access to packet-switched networks, such as the Internet 110, to facilitate communications between the WTRUs 102a, 102b, 102c and IP-enabled devices.
  • packet-switched networks such as the Internet 110
  • the CN 106 may facilitate communications with other networks.
  • the CN 106 may provide the WTRUs 102a, 102b, 102c with access to circuit-switched networks, such as the PSTN 108, to facilitate communications between the WTRUs 102a, 102b, 102c and traditional land-line communications devices.
  • the CN 106 may include, or may communicate with, an IP gateway (e.g., an IP multimedia subsystem (IMS) server) that serves as an interface between the CN 106 and the PSTN 108.
  • IMS IP multimedia subsystem
  • the CN 106 may provide the WTRUs 102a, 102b, 102c with access to the other networks 112, which may include other wired and/or wireless networks that are owned and/or operated by other service providers.
  • the WTRU is described in FIGs. 1A-1D as a wireless terminal, it is contemplated that in certain representative embodiments that such a terminal may use (e.g., temporarily or permanently) wired communication interfaces with the communication network.
  • the other network 112 may be a WLAN.
  • a WLAN in infrastructure basic service set (BSS) mode may have an access point (AP) for the BSS and one or more stations (STAs) associated with the AP.
  • the AP may have an access or an interface to a distribution system (DS) or another type of wired/wireless network that carries traffic into and/or out of the BSS.
  • Traffic to STAs that originates from outside the BSS may arrive through the AP and may be delivered to the STAs.
  • Traffic originating from STAs to destinations outside the BSS may be sent to the AP to be delivered to respective destinations.
  • Traffic between STAs within the BSS may be sent through the AP, for example, where the source STA may send traffic to the AP and the AP may deliver the traffic to the destination STA.
  • the traffic between STAs within a BSS may be considered and/or referred to as peer-to-peer traffic.
  • the peer-to-peer traffic may be sent between (e.g., directly between) the source and destination STAs with a direct link setup (DLS).
  • the DLS may use an 802. l ie DLS or an 802.1 Iz tunneled DLS (TDLS).
  • a WLAN using an Independent BSS (IBSS) mode may not have an AP, and the STAs (e.g., all of the STAs) within or using the IBSS may communicate directly with each other.
  • the IBSS mode of communication may sometimes be referred to herein as an "ad-hoc" mode of communication.
  • the AP may transmit a beacon on a fixed channel, such as a primary channel.
  • the primary channel may be a fixed width (e.g., 20 MHz wide bandwidth) or a dynamically set width via signaling.
  • the primary channel may be the operating channel of the BSS and may be used by the STAs to establish a connection with the AP.
  • Carrier sense multiple access with collision avoidance (CSMA/CA) may be implemented, for example in in 802.11 systems.
  • the STAs e.g., every STA, including the AP, may sense the primary channel. If the primary channel is sensed/detected and/or determined to be busy by a particular STA, the particular STA may back off.
  • One STA (e.g., only one station) may transmit at any given time in a given BSS.
  • VHT STAs may support 20 MHz, 40 MHz, 80 MHz, and/or 160 MHz wide channels.
  • the 40 MHz, and/or 80 MHz, channels may be formed by combining contiguous 20 MHz channels.
  • a 160 MHz channel may be formed by combining 8 contiguous 20 MHz channels, or by combining two non-contiguous 80 MHz channels, which may be referred to as an 80+80 configuration.
  • the data, after channel encoding may be passed through a segment parser that may divide the data into two streams.
  • Inverse fast fourier transform (IFFT) processing, and time domain processing may be done on each stream separately.
  • IFFT Inverse fast fourier transform
  • the streams may be mapped on to the two 80 MHz channels, and the data may be transmitted by a transmitting STA.
  • the above-described operation for the 80+80 configuration may be reversed, and the combined data may be sent to a medium access control (MAC) layer, entity, etc.
  • MAC medium access control
  • Sub 1 GHz modes of operation are supported by 802.1 laf and 802.11 ah. The channel operating bandwidths, and carriers, are reduced in 802.1 laf and 802.1 lah relative to those used in
  • 802.1 laf supports 5 MHz, 10 MHz and 20 MHz bandwidths in the TV white space (TVWS) spectrum
  • 802.1 lah supports 1 MHz, 2 MHz, 4 MHz, 8 MHz, and 16 MHz bandwidths using non-TVWS spectrum. According to a representative embodiment,
  • the CN 115 shown in FIG. ID may include at least one AMF 182a, 182b, at least one UPF 184a, 184b, at least one session management function (SMF) 183a, 183b, and at least one Data Network (DN) 185a, 185b. While each of the foregoing elements are depicted as part of the CN 115, it will be appreciated that any of these elements may be owned and/or operated by an entity other than the CN operator.
  • AMF session management function
  • the emulation devices may be designed to implement one or more tests of other devices in a lab environment and/or in an operator network environment.
  • the one or more emulation devices may perform the one or more, or all, functions while being fully or partially implemented and/or deployed as part of a wired and/or wireless communication network in order to test other devices within the communication network.
  • the one or more emulation devices may perform the one or more, or all, functions while being temporarily implemented/deployed as part of a wired and/or wireless communication network.
  • the emulation device may be directly coupled to another device for purposes of testing and/or may performing testing using over-the-air wireless communications.
  • the network may be able to take advantage of multiple Uu links and sidelinks among UEs to route the uplink and downlink data dynamically considering different conditions such as transmission power, channel condition, QoS of the data to manage the group efficiently with an aim to guarantee the Quality of Service (QoS)/Quality of Experience (QoE) of the service.
  • QoS Quality of Service
  • QoE Quality of Experience
  • Lower layer e.g., MAC, PHY
  • MAC Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • HARQ Hybrid Automatic Repeat Request
  • the gNB may be unaware of the individual contribution of each UE. In such a scenario, the gNB may need to control the transmission power of multiple UEs as a group. It will be appreciated that there is a desire for a solution for power control for a group of aggregated UEs.
  • Power Headroom Report (PHR) of a UE which indicates the power remaining for each transmission of a UE, is one aspect to consider for power control.
  • the PHR for the group can be considered to facilitate the power control for the group.
  • a UE e.g., source UE
  • DCI Downlink Control Information
  • a UE may first monitor Downlink Control Information (DCI) conveying transmission power adjustment indication for the group of aggregated UEs. It then determines a transmission power adjustment value for each UE based the reported PHR of each UE, the number of UEs in the group for UE aggregation. The UE may then indicate the adjusted transmission power to member UEs.
  • DCI Downlink Control Information
  • the UE e.g., the source UE
  • UE aggregation transmissions e.g., Subframe Number (SFN)-based transmission
  • group of aggregated UEs e.g., itself and a set of assistant UEs
  • the UE receives PHRs from the set of assistant UEs, monitors Transmit Power Control (TPC) DCI for a group of UEs for UE aggregation transmission, receives an indication from the network (e.g., TPC DCI) to adjust transmission power for the group.
  • TPC Transmit Power Control
  • the UE determines the amount of transmission power adjustment for itself and the set of aggregated UEs based on the number of aggregated UEs and PHR of each UE.
  • each UE increases its transmission power of 1 dBm if no UE having PHR or if the assistant UE has negative PHR, the source UE increases transmission power of 2 dBm.
  • the UE adjusts its transmission power the determined value for UE aggregation transmission and sends the determined transmission power adjustment value for the member UEs to adjust the transmission power for UE aggregation.
  • QoS of a PDU may refer to one or any combination of one or more the 5G QoS Identifier (5QI) parameters associated with a Resource Block (RB)/Logical Channel (LCH) and control information (e.g., MAC CE) included in the PDU such as priority, PDB, reliability (e.g., Packet Error Rate, PER), and Maximum Data Burst Volume (MDBV), and one or more configuration parameters associated with an RB/LCH included in the PDU (e.g., MAC PDU), for example, whether the RB/LCH is configured with UE aggregation enabled/disabled, the number of aggregated UEs associated with the RB/LCH, the HARQ retransmission mode associated with the RB/LCH.
  • 5QI 5G QoS Identifier
  • RB Resource Block
  • LCH Logical Channel
  • MDBV Maximum Data Burst Volume
  • QoS of a PDU consisting of multiple higher layer PDUs herein, the QoS of a PDU consisting of multiple higher PDUs may refer to one or more of the following QoS.
  • the maximum/minimum of one 5QI parameter of all RB/LCH or control information (e.g., MAC CE) included in the PDU such as the maximum of the priority, the minimum of PDB, the minimum PER, the maximum MDBV.
  • One or more configuration parameter of an RB/LCH included in the PDU (e.g., MAC PDU), for example, whether the PDU include one RB/LCH is configured with UE aggregation enabled/disabled, the maximum number of aggregated UEs associated with one RB/LCH included in the PDU and the HARQ retransmission mode associated with one RB/LCH included in the PDU.
  • Source UE may refer to an initiator of a PDU to transmit to another node such as gNB or another UE
  • Destination UE may refer to an end receiver of a PDU, which may be transmitted from gNB or another UE
  • Assistant UE may refer to a UE supporting another UE (e.g., source UE or destination UE) in transmitting and receiving a PDU
  • Group coordinator (GC) may refer to a UE supporting the gNB to perform one or more functions such as scheduling for one or more UEs, which may belong to a group (e.g., group of UEs)
  • Member UE may refer to one UE in a group, which may interact with the group GC and/or other member UE to perform one or more procedures under the coordination of the group coordinator UE.
  • a member UE may refer to one UE in a group, which coordinates with other UEs in the group to perform
  • UE aggregation may refer to a scenario in which two or more UEs transmit and/or receive a PDU for a UE.
  • UE aggregation transmission two or more UEs transmit a PDU for a source UE.
  • the source UE may or may not be one of the transmitting UEs.
  • two or more UEs may receive a PDU from gNB for a destination UE.
  • the destination UE may or may not be one of the receivers from the gNB.
  • Beam A UE may transmit or receive a physical channel or reference signal according to at least one spatial domain filter.
  • the term "beam" may be used to refer to a spatial domain filter used to transmit/receive signals.
  • the UE may transmit a physical channel or signal using the same spatial domain filter as the spatial domain filter used for receiving a Reference Signal (RS) (such as CSI-RS) or a Synchronization Signal (SS) block.
  • RS Reference Signal
  • SS Synchronization Signal
  • the UE transmission may be referred to as "target”
  • the received RS or SS block may be referred to as “reference” or "source”.
  • the UE may be said to transmit the target physical channel or signal according to a spatial relation with a reference to such RS or SS block.
  • the UE may transmit a first physical channel or signal according to the same spatial domain filter as the spatial domain filter used for transmitting a second physical channel or signal.
  • the first and second transmissions may be referred to as "target” and “reference” (or “source”), respectively.
  • the UE may be said to transmit the first (target) physical channel or signal according to a spatial relation with a reference to the second (reference) physical channel or signal.
  • a spatial relation may be implicit, configured by RRC or signaled by MAC CE or DCI.
  • a UE may implicitly transmit PUSCH and DM-RS of PUSCH according to the same spatial domain filter as an SRS indicated by an SRS resource indicator (SRI) indicated in DCI or configured by RRC.
  • SRI SRS resource indicator
  • a spatial relation may be configured by RRC for an SRI or signaled by MAC CE for a PUCCH. Such spatial relation may also be referred to as a "beam indication".
  • the UE may receive a first (target) downlink channel or signal according to the same spatial domain filter or spatial reception parameter as a second (reference) downlink channel or signal.
  • a first (target) downlink channel or signal may be received according to the same spatial domain filter or spatial reception parameter as a second (reference) downlink channel or signal.
  • a second (reference) downlink channel or signal For example, such an association may exist between a physical channel such as PDCCH or PDSCH and its respective DM-RS.
  • QCL quasi-colocation
  • Such association may be configured as a Transmission Configuration Indicator (TCI) state.
  • TCI Transmission Configuration Indicator
  • a UE may be indicated an association between a CSI-RS or SS block and a Demodulation Reference Signal (DM-RS) by an index to a set of TCI states configured by RRC and/or signaled by MAC CE.
  • DM-RS Demodulation Reference Signal
  • Such an indication may also be referred to as a "beam indication”.
  • the UE being "configured with” may refer to that the UE receives information indicative of a configuration from the gNB or another node (e.g., group coordinator UE).
  • the UE may receive information indicative of a dedicated RRC configuration or SIB from the gNB.
  • the UE may receive the information indicative of a configuration via sidelink communication (e.g., PC5 RRC, SL MAC CE, SCI).
  • the link quality between two nodes may refer to whether the evaluating node (e.g., evaluating UE) is synchronized with the peer node (e.g., gNB or the peer UE).
  • the evaluating node e.g., evaluating UE
  • the peer node e.g., gNB or the peer UE
  • Layer 1 (LI) or Layer 3 (L3) measurements of transmission(s) between two nodes may include but not limited to Reference Signal Received Power (RSRP), Received Signal Received Quality (RSRQ), Signal-to-Interference-plus-Noise Ratio (SINR), Received Signal Strength Indicator (RS SI), Pathloss, Block Error Rate (BLER), etc.
  • RSRP Reference Signal Received Power
  • RSSQ Received Signal Received Quality
  • SI Signal-to-Interference-plus-Noise Ratio
  • RS SI Received Signal Strength Indicator
  • Pathloss Block Error Rate
  • the LI or L3 measurement may be performed at the evaluating node (e.g., evaluating UE).
  • the LI or L3 measurement may be perform at the peer node (e.g., gNB) and sent to the evaluating node (e.g., evaluating UE).
  • the link quality between two nodes may refer to the L3 RSRP of transmission from the peer node.
  • Uplink channel to transmit a PDU herein, either the Physical Uplink Control Channel (PUCCH) or Physical Uplink Shared Channel (PUSCH) may be used for transmission of a PDU.
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • a solution described for PUSCH transmission may be applicable for PUCCH transmission and vice versa.
  • the UE may collaborate with one or more other UEs (e.g., assistant UEs) to transmit its PDU to the gNB.
  • the set of UEs transmitting the PDU may be called a set of aggregated UEs.
  • the PDU transmitted by the set of aggregated UEs may originate from one of the aggregated UEs or from a UE that does not belong to the set of aggregated UEs.
  • the set of aggregated UEs may perform one or more of the following UE aggregation uplink transmission schemes.
  • a third scheme involves PHY layer HARQ combining.
  • the set of aggregated UEs may transmit the same PDU in different resources.
  • Each UE may use the same or different RV, MCS to transmit the PDU.
  • the gNB may decode the PDU transmitted by all UEs by performing HARQ combining.
  • a fourth scheme involves layer 2/layer 3 (L2/L3) aggregation.
  • the source UE may send its PDU (e g., PDCP PDU, RLC PDU, or MAC PDU) to the set of aggregated UEs.
  • the source UE may be one of the aggregated UEs or a UE that does not belong to the set of aggregated UEs.
  • the set of aggregated UEs may then transmit the PDU to the gNB in uplink.
  • Each aggregated UE may individually transmit the PDU for the source UE without PHY coordination.
  • a source UE may have one assistant UE to support it in uplink transmission.
  • the source and assistant UE may aggregate in the PDCP layer. Specifically, for each PDCP PDU with UE aggregation transmission disabled, the UE may not forward PDCP PDU to the assistant UE but may transmit the PDCP PDU by itself. Alternatively, for each PDCP PDU with UE aggregation transmission enabled, the UE may forward the PDCP PDU to the assistant UE and both the source and assistant UEs may transmit the PDCP PDU.
  • the assistant UE may request its own uplink resource to transmit the PDCP PDU from the source UE.
  • the assistant UE may multiplex the PDCP PDUs from multiple UEs in a PDU (e.g., MAC PDU) to transmit in a resource.
  • a PDU e.g., MAC PDU
  • a source UE may have two assistant UEs to perform uplink transmission.
  • the three UEs may aggregate uplink transmission in PDCP layer.
  • the source UE may have a primary and a secondary assistant UE, in which the UE may forward the non-UE aggregation PDCP PDU to the primary assistant UE and the UE aggregation PDCP PDU to both assistant UEs.
  • Each assistant UE may request its own uplink resource to transmit the PDCP PDU from the source UE and each assistant UE may multiplex the PDCP PDUs from multiple UEs (e.g., its own PDU and the source UEs PDU) in a PDU to transmit in a resource.
  • FIG. 2 illustrates a first example environment with a set of aggregated UEs and a base station (gNB).
  • the gNB 210 has Uu interfaces with the UEs in the set of aggregated UEs 220, a source UE 230 and an assistant UE 240, between which there is a link over which the two UEs can transmit a sufficiently large amount data to each other in a sufficiently short time.
  • a link is wired connection between two UEs.
  • the UEs may use the first scheme of UE aggregation, in which both the assistant and the source UE transmit the same PDU in the same resource using the same MCS and RV.
  • the two UEs may also use the second or third scheme of UE aggregation, in which the source UE and the assistant UE may transmit the PDU using different resources.
  • FIG. 3 illustrates a second example environment with a set of aggregated UEs and a base station (gNB).
  • the gNB 310 has Uu interfaces with a first assistant UE 332 and a second assistant UE 334 in the set of aggregated UEs that further includes a source UE 320. There are links (see FIG. 2) between the UEs in the set of aggregated UEs.
  • the UEs may perform the first scheme of UE aggregation, in which both assistant UEs transmit the same PDU in the same resource using the same MCS, RV.
  • the two assistant UEs may also perform the second or third scheme of UE aggregation, in which the assistant UEs may transmit the PDU using different resources.
  • the UE is configured for open loop power control.
  • the UE e.g., source UE
  • Pmax Maximum transmission power of the UE
  • Pcmax a maximum transmission for serving cell c
  • P0 a nominal transmission, e.g., a nominal target received power at the receiver
  • alpha a scalar of pathloss
  • the UE is configured with a plurality of sets of transmission parameters corresponding to different transmission schemes.
  • Each set of transmission parameters may include one or more of Power control parameters (e.g., Pmax, Pcmax, P0, alpha, delta reTx), MCS, transmission beam, and RS patterns (such as Demodulation Reference Signal (DMRS), Phase-Tracking Reference Signal (PTRS) pattern).
  • Power control parameters e.g., Pmax, Pcmax, P0, alpha, delta reTx
  • MCS Modulation Reference Signal
  • RS patterns such as Demodulation Reference Signal (DMRS), Phase-Tracking Reference Signal (PTRS) pattern.
  • DMRS Demodulation Reference Signal
  • PTRS Phase-Tracking Reference Signal
  • Each set of transmission parameters may be used for one uplink transmission mode, in which each uplink transmission mode may be associated with one or more of an uplink transmission scheme, UE aggregation transmission scheme, the set of aggregated UEs in a UE aggregation transmission scheme, whether the UE transmits a PDU or reference signal, and whether the UE transmits a normal Sounding Reference Signal (SRS), a SRS for positioning or a SR for sensing purposes, each of which will now be described.
  • SRS Sounding Reference Signal
  • Uplink transmission scheme e.g., whether the UE is performing non-UE aggregation or UE aggregation transmission.
  • the UE may be configured with multiple sets of transmission parameters, in which the one set of transmission parameters may be associated with non-UE aggregation transmission and another set of transmission parameters may be associated with UE aggregation transmission.
  • UE aggregation transmission scheme For example, the UE may be configured with multiple sets of transmission parameters for UE aggregation transmission, in which each set of transmission parameters may be associated with one UE aggregation transmission scheme.
  • the UE may be configured with one set of transmission parameters for the first scheme for UE aggregation transmission (i.e., PHY layer SFN combining using the same resource).
  • the UE may be further configured with another set of transmission parameters for the second scheme for UE aggregation transmission (i.e., PHY layer SFN combining using different resources).
  • the set of aggregated UEs in a UE aggregation transmission scheme may be configured with the first scheme for UE aggregation transmission (i.e., PHY layer SFN combining using the same resource).
  • the UE may then be configured with multiple sets of transmission parameters, in which each set of transmission parameters may be associated with one set of aggregated UEs.
  • the UE may be configured with one set of transmission parameters for a first set of aggregated UEs and with another set of transmission parameters for a second set of aggregated UEs.
  • the first set of aggregated UEs may be the source UE and the first assistant UE
  • the second set of aggregated UEs may be the source UE and the second assistant UE.
  • the first set of aggregated UEs may be the source UE and the first assistant UE and the second set of aggregated UEs may be the source UE and both the first and second assistant UEs.
  • the UE transmits PDU or Reference- Signal (e.g., SRS, SRS for positioning).
  • PDU Physical Downlink Control
  • Reference- Signal e.g., SRS, SRS for positioning
  • the UE may be configured with multiple sets of transmission parameters, in which one set of transmission parameters may be associated with PDU transmission, and another set of transmission parameters may be associated Reference- Signal transmission.
  • the UE may transmit normal SRS, SRS for positioning, or SRS for sensing purposes.
  • the UE may be configured with multiple sets of transmission parameters, in which one set of transmission parameters may be associated with SRS transmission, another set of transmission parameters may be associated with SRS for positioning, and yet another set of transmission parameters may be associated with SRS for sensing purpose.
  • the UE may then determine which set of transmission parameters to use based on which its uplink transmission mode.
  • the UE may be configured to perform either non-UE aggregation transmission or the first scheme for UE aggregation transmission.
  • the UE may be configured with two nominal target received power at the receiver (e.g., P0), in which the first P0 may be associated with non-UE aggregation transmission and the second P0 may be associated with the first scheme for UE aggregation transmission.
  • P0 nominal target received power at the receiver
  • the UE may then determine which nominal target received power at the receiver to use based on which uplink transmission mode it is performing. Specifically, the UE may use the first P0 if it performs non-UE aggregation transmission and the second P0 if it performs the first scheme for UE aggregation transmission.
  • the UE may be configured with two Pcmax, in which the first Pcmax may be associated with non-UE aggregation transmission and the second Pcmax may be associated with the first scheme for UE aggregation transmission.
  • the UE may then determine which Pcmax to use based on its uplink transmission mode. Specifically, the UE may use the first Pcmax for non-UE aggregation transmission and the second Pcmax for the first scheme for UE aggregation transmission.
  • the UE may be configured with two transmission beams in which the first beam may be associated with the non-UE aggregation transmission mode and the second beam may be associated with the first scheme for UE aggregation transmission mode (i.e., PHY layer SFN combining using the same resource).
  • the UE may then determine which beam to use based on its uplink transmission mode. Specifically, the UE may use the first beam for non-UE aggregation transmission and the second beam for the first scheme for UE aggregation transmission.
  • the UE may be configured with multiple DMRS patterns for its uplink transmission modes, in which a first DMRS pattern may be associated with non-UE aggregation transmission, a second DMRS pattern may be associated with the first scheme for UE aggregation transmission (i.e., PHY layer SFN combining using the same resource), and a third DMRS pattern may be associated with the second scheme for UE aggregation transmission (i.e., PHY layer SFN combining using different resources). The UE may then determine which DMRS pattern to use based on its uplink transmission mode.
  • a first DMRS pattern may be associated with non-UE aggregation transmission
  • a second DMRS pattern may be associated with the first scheme for UE aggregation transmission (i.e., PHY layer SFN combining using the same resource)
  • a third DMRS pattern may be associated with the second scheme for UE aggregation transmission (i.e., PHY layer SFN combining using different resources).
  • the UE may then
  • the UE may use the first DMRS pattern for non-UE aggregation transmission, the second DMRS pattern for the first scheme for UE aggregation transmission and the third DMRS pattern for the second scheme for UE aggregation transmission.
  • the UE e.g., group coordinator, source UE
  • receives an indication regarding the link quality between another UE e.g., a member UE, an assistant UE
  • the group coordinator may receive from a member UE information indicative of pathloss (PL) between the member UE and the gNB.
  • the source UE may receive the information indicative of pathloss from the assistant UE.
  • the UE receives power transmission reporting from at least one UE of the set of aggregated UEs.
  • the group coordinator may receive transmission power information from the UEs in the set of aggregated UEs.
  • the source UE may receive transmission power information from the assistant UEs in the set of aggregated UE for UE aggregation uplink transmission.
  • the reporting UE may include one or more of UE capability such as its maximum transmission power (e.g., Pmax, Pcmax), the power headroom of the UE, P0 for the assistant UE (e.g., the nominal target received power at the receiver for the assistant UE), Alpha (the scalar of pathloss), the transmission power of the UE (for example, the assistant UE may use a fixed transmission power to transmit for UE aggregation and report its transmission power to the source UE; for example, an assistant UE may use a set of open loop power control parameters (e.g., P0, alpha, Pcmax, PL, etc.) to derive its transmission power and report its transmission power to the source UE), and the link quality between the reporting UE (e.g., assistant UE, member UE) and the gNB (for example, the assistant UE may report the PL to the source UE, or a member UE may report the
  • the UE may use SCI, PC5 MAC CE, and/or PC5 RRC to report its power transmission information.
  • the UE may use PC5 RRC to report the UE capability (e.g., Pcmax) and may use PC5 MAC CE to report the power headroom to another UE (e.g., group coordinator, source UE).
  • the UE receives configuration of open loop power control for a group of aggregated UEs.
  • the UE may be configured for UE aggregation transmission with a set of aggregated UEs.
  • the UE may be configured with a set of open loop power control parameters for the group of aggregated UEs.
  • the UE derives the PL for a group of aggregated UEs.
  • a UE e.g., source UE
  • the UE may measure the PL between itself and the gNB.
  • the UE may then indicate its measured PL to the set of aggregated UEs to use for open loop power control.
  • the source UE may measure the PL and it may then report its measured PL to the gNB.
  • the gNB may then indicate the value of PL to be used by the group for the set of aggregated UEs.
  • each UE in the set of aggregated UEs may measure its own PL and uses its own PL for open loop power control of UE aggregation transmission.
  • step S408 the UE determines its transmission power based on the expected received power at gNB, the reported transmission power information of the assistant UEs, and measured pathloss. For example, the transmission power is calculated so the total contribution of the received power at the gNB is equal to a given (e.g., configured) value.
  • the UE receives information indicative of a configuration of the set of UL transmission schemes and associated set of transmission parameters (e.g., transmission power, MCS, Tx beam).
  • the UL transmission schemes may include non-UE aggregation transmission and UE aggregation transmission with one set of aggregated UEs.
  • step S504 the UE is scheduled a resource for UL transmission.
  • CLPC Close-Loop Power Control
  • the UE may determine whether a DCI is used to convey transmission power adjustment indication for itself based on or more of a RNTI (e.g., UEaggregation PC RNTI) scrambled in a scheduling DCI (for example, the UE may be configured with a RNTI (e.g., UEaggregation PC RNTI) to monitor a DCI conveying transmission power adjustment indication for its UE aggregation transmission and may then determine that the DCI is for transmission power adjustment indication for its UE aggregation transmission if the DCI is scrambled by the configured RNTI (e.g., UEaggregation PC RNTI)), a search space of the DCI (for example, the UE may be configured with a search space to monitor a DCI conveying transmission power adjustment indication for UE aggregation transmission and may then determine that the DCI is for transmission power adjustment indication for UE aggregation transmission if a DCI is detected in the configured search space, a CORESET to de
  • the UE is configured to receive transmission power adjustment indication for a set of UEs.
  • the UE e.g., the source UE, group coordinator
  • the UE may be configured to monitor transmission power adjustment indication for a set of UEs that may include one or more of the group coordinator, an assistant UE, the source UE, and a member UE in the group.
  • the UE may monitor transmission power adjustment indication from the gNB for one or more of a set of aggregated UEs, in which the UE may be one of the UEs in the set of aggregated UE such as the source UE and assistant UE (for example, in a set of aggregated UEs, the source UE may monitor transmission power adjustment indication for itself and the set of assistant UE(s) for UE aggregation transmission), and a configured/established group of UEs (for example, a UE may be configured with a group of UEs (e.g., the set of UEs in proximity), which may have one group coordinator and one or more member UEs and the group coordinator may be configured to monitor transmission power adjustment indication from the gNB for itself and one or more member UEs in the group).
  • a set of aggregated UEs in which the UE may be one of the UEs in the set of aggregated UE such as the source UE and assistant UE (for example, in a set of aggregated UEs,
  • the UE receives an indication for transmission power adjustment from the gNB.
  • the UE may receive transmission power adjustment indication for a set of UEs.
  • the group coordinator may receive a transmission power adjustment indication for the member UEs in the group.
  • the source UE may receive a transmission power adjustment indication for the set of aggregated UEs for UE aggregation uplink transmission.
  • the UE may receive one message (e.g., one DCI) for transmission power adjustment indication for the whole set of UEs, but the UE may also receive multiple messages conveying the transmission power adjustment indication for the whole set of UEs.
  • the transmission power adjustment indication for the a of UEs may include one or more of an identifier of the UE(s) that should adjust the transmission power, whether each subset of UEs should increase or reduce the transmission power, the amount of power to increase/reduce, the effective duration of the transmission power adjustment, the set of transmission resources associated with transmission power adjustment indication, and the transmission scheme associated with the transmission power adjustment indication, each of which will now be described in detail.
  • the identifier of the UE(s) that should adjust the transmission power may include one or more of an identifier of the UE(s) that should adjust the transmission power, whether each subset of UEs should increase or reduce the transmission power, the amount of power to increase/reduce, the effective duration of the transmission power adjustment, the set of transmission resources associated with transmission power adjustment indication, and the transmission scheme associated with the transmission power adjustment indication, each of which will now be described in detail.
  • the UE may receive, from the gNB in one or more message, information indicative of the UE(s) (i.e., the UE identifier) that should adjust the transmission power and the amount of transmission power to be adjusted.
  • information indicative of the UE(s) i.e., the UE identifier
  • the group coordinator may then forward the indication to the other UE(s).
  • a UE may receive from the gNB an indication that the group of aggregated UEs should adjust the transmission power for UE aggregation transmission.
  • the UE may then determine the UE(s) in the set of aggregated UEs that should adjust transmission power.
  • This approach may be useful in the scenario where the gNB may no need to control transmission power of each individual UE for UE aggregation transmission (SFN-based UE aggregation transmission). Specifically, the gNB may need to control the reception power transmitted by the group of aggregated UEs.
  • a UE may receive one message to indicate whether the whole set of UEs should increase or decrease the transmission power.
  • the source UE or the group coordinator may receive one message to indicate whether the whole set of aggregated UEs should increase or decrease the transmission power.
  • a UE may receive a message conveying the transmission power adjustment indication of multiple UEs, wherein the message may indicate the UE (e.g., UE ID, member UE ID in the group) and the associated transmission power adjustment decision (e.g., whether the associated UE should increase or decrease the transmission power).
  • the group coordinator may receive transmission power adjustment for the group, wherein the message may indicate for each member UE (e.g., member UE ID) whether it should increase or decrease transmission power.
  • the source UE may receive a transmission power adjustment message for the set of aggregated UEs, the message indicating whether each assistant UE and/or the source UE should increase/ decrease transmission power.
  • a UE may receive multiple messages conveying the transmission power adjustment of the set of UEs, wherein each message may indicate transmission power adjustment for one UE.
  • the message may identify the UE (e.g., UE ID, member UE ID) and its associated transmission power adjustment decision (e.g., whether the UE increase/ decrease transmission power).
  • the amount of power may be increased/reduced.
  • a UE e.g., source UE
  • the UE may then be indicated the amount of power increased/reduced based on the indicated codepoint in the transmission power adjustment bitfield.
  • the transmission power adjustment indication may be for the UE itself and/or for one or more UEs in the set of UEs.
  • the UE may be configured with one transmission power adjustment level (e.g., +/- 1 dB or +/- 3 dB). The UE may then be indicated whether to increase/decrease the power transmission level. If the UE is indicated to increase/decrease the power transmission level, the UE may increase/decrease the configured transmission power adjustment level.
  • one transmission power adjustment level e.g., +/- 1 dB or +/- 3 dB.
  • the UE may be configured with multiple sets of resources, in which each set of resources may be associated with one uplink transmission scheme (one uplink UE aggregation scheme, non-UE aggregation transmission). The UE may then further receive transmission power adjustment indication for which set of resources.
  • each set of resources may be associated with one uplink transmission scheme (one uplink UE aggregation scheme, non-UE aggregation transmission).
  • the UE may then further receive transmission power adjustment indication for which set of resources.
  • the transmission scheme (e.g., one of the UE aggregation transmission schemes with a different set of aggregated UEs, non-UE aggregation transmission) associated with the transmission power adjustment indication.
  • the UE receives a transmission power adjustment indication from the gNB for a set of UEs.
  • the UE receives from the gNB a transmission power adjustment indication for the set of UEs, which may be conveyed to the UE from the gNB using one or more of DCI, MAC CE and RRC, as will now be described.
  • DCI Downlink Control Information
  • the UE may be configured to monitor a DCI indicating transmission power adjustment for one or more UEs from the set of UEs.
  • the DCI may indicate which UE(s) (e.g., which member UE ID(s), which UE ID(s)) should adjust the transmission power and the associated transmission power adjustment decision (e.g., whether the associated UE should increase or decrease the transmission power and/or how much transmission power adjustment the UE should change).
  • the group coordinator may be configured with a group of UEs, which may include one or more member UEs and the group coordinator itself.
  • the UE may be configured with a DCI format which indicates the member UE ID and associated transmission power adjustment decision (e.g., whether the UE should increase/reduce transmission power).
  • the UE may be configured to monitor a DCI indicating transmission power adjustment of one or more subsets of one or more UEs.
  • the DCI may indicate which subset of UE(s) should adjust the transmission power and the associate transmission power adjustment decision.
  • the source UE may be configured with a DCI format to indicate the subset of UEs affected by the transmission power adjustment (e.g., whether it is the set of assistant UEs or for the source UE) and the associated transmission power adjustment decision (e.g., whether the subset of UEs should increase or decrease transmission power).
  • the DCI may indicate that the set of assistant UEs should increase/decrease the transmission power or that the source UE should increase/decrease the transmission power.
  • the source UE may be configured with DCI format to indicate whether the set of aggregated UEs (e.g., all assistant UEs and the source UE itself) should increase/reduce transmission power and potentially the amount of power to increase/reduce. This may be motivated to support SFN-based uplink transmission for the set of aggregated UEs.
  • the set of aggregated UEs e.g., all assistant UEs and the source UE itself
  • the UE may be configured with a MAC CE format, which may indicate which UE and/or which subset of UEs and the associated transmission power adjustment (e.g., whether the associated UE should increase/reduce the transmission power and the amount of transmission power adjustment). This may be motivated to allow the gNB to convey transmission power adjustment for all UEs in the group using one message.
  • a MAC CE format which may indicate which UE and/or which subset of UEs and the associated transmission power adjustment (e.g., whether the associated UE should increase/reduce the transmission power and the amount of transmission power adjustment). This may be motivated to allow the gNB to convey transmission power adjustment for all UEs in the group using one message.
  • the UE may receive DCI to configure the granularity of transmission power adjustment (e.g., 1 dB, 2 dB or 3 dB).
  • the granularity of transmission power adjustment e.g., 1 dB, 2 dB or 3 dB.
  • the UE may receive configuration information for multiple uplink transmission schemes (e.g., one of the UE aggregation uplink transmissions with a set of aggregated UEs, non-UE aggregation transmission) in a RRC message. For each transmission scheme, the UE may receive a RRC configuration indicating which DCI format to measure for transmission power adjustment indication. The UE may then apply the transmission power adjustment indication for the associated uplink transmission scheme.
  • multiple uplink transmission schemes e.g., one of the UE aggregation uplink transmissions with a set of aggregated UEs, non-UE aggregation transmission
  • the UE may receive a RRC configuration indicating which DCI format to measure for transmission power adjustment indication.
  • the UE may then apply the transmission power adjustment indication for the associated uplink transmission scheme.
  • the UE monitors DCI for transmission power adjustment indication for the set of UEs.
  • the UE e.g., the group coordinator
  • the UE may be configured to monitor a DCI for transmission power adjustment indication from the gNB to a set of UEs.
  • the set of UEs may include one or multiple UEs and may include the UE itself (e.g., the group coordinator, the source UE), one or multiple assistant UEs, the set of aggregated UEs including both the assistant UEs and the source UE, all member UEs in the group, and all UEs in the group including all member UEs and the group coordinator.
  • the transmission power adjustment indication indicated in the DCI may be applicable for one or more of all uplink transmissions of the UE (for example, the group coordinator may be configured to monitor transmission power adjustment indication for the member UEs in the group and may, upon reception of the transmission power adjustment indication for one or more member UEs in the group, forward the indication to the member UEs that may then adjust transmission power for uplink transmissions), and UE aggregation uplink transmissions (for example, the source UE may be configured with UE aggregation transmission and with DCI to monitor transmission power adjustment indication for UE aggregation transmissions, may adjust its transmission power for UE aggregation transmission only, and may forward the transmission power adjustment to the set of assistant UE, where each assistant UE may apply the transmission power adjustment for UE aggregation transmission only).
  • the group coordinator may be configured to monitor transmission power adjustment indication for the member UEs in the group and may, upon reception of the transmission power adjustment indication for one or more member UEs in the group, forward the indication to the member UEs that may
  • the UE may then determine the transmission power adjustment indication for each UE in the set of UEs and convey the determination to the set of UEs.
  • the UE may determine whether the DCI is used to convey transmission power adjustment indication for the set of UEs based on one or more of a RNTI (e.g., group PC RNTI) scrambled in a scheduling DCI (for example, the UE may be configured with an RNTI (e.g., group PC RNTI) to monitor a DCI conveying transmission power adjustment indication for a set of UEs (e.g., the set of aggregated UEs, the group of UEs) and the UE may then determine that the DCI is for transmission power adjustment indication for the set of UEs if the DCI is scrambled by the configured RNTI (e.g., group PC RNTI)), a search space of the DCI (for example, the UE may be configured with
  • the UE determines the transmission power adjustment for each UE for UE aggregation transmission.
  • the UE e.g., source UE
  • the UE may then determine transmission power adjustment for each UE in the set of aggregated UEs (e.g., assistant UEs, and/or source UE).
  • the UE may determine one or more of whether each UE needs to adjust transmission power, and the amount of transmission power adjustment for each UE.
  • each UE may receive a transmission power adjustment indication from the gNB, which may be received directly from the gNB or via another UE (e.g., source UE). The UE may then determine its transmission power adjustment (e.g., whether it adjust its transmission power and the amount of transmission power adjustment).
  • the transmission power adjustment decision from the source UE for one or more UEs in the set of aggregated UE and/or the transmission power adjustment decision from each UE for itself may be determined based on one or of a configured transmission power adjustment parameters for each UE, the role of the UEs in the set of aggregated UEs, the number of UEs performing UE aggregated transmission, the capability of the UEs in the set of aggregated UEs, the preferred transmission power of the UEs, the PHR of the UEs, the current transmission power of the UEs for UE aggregation transmission, the link quality between the UEs and the gNB, and the amount of power adjustment from other UEs in the group, as will be described in detail.
  • Configured transmission power adjustment parameters for each UE For example, each UE in the set of aggregated UEs may be configured with a transmission power adjustment granularity.
  • the UE e.g., source UE, assistant UE
  • the role of each UE in the set of aggregated UEs e.g., whether the UE is the source or assistant UE
  • each UE may be configured with a value of its transmission power adjustment granularity as a function of its role in the group.
  • the source UE may be configured with a first transmission power adjustment granularity and the assistant UEs may be configured with a second transmission power adjustment granularity.
  • the source UE may then determine the amount transmission power adjustment for each UE based on the UE role in the group. For example, the source UE may receive power adjustment indication for the group of aggregated UEs.
  • the UE may determine all the assistant UEs to adjust its transmission power according to the indication (increase/reduce transmission power).
  • the UE may determine to adjust transmission power itself according to the transmission power adjustment indication from the gNB (e.g., increase/reduce transmission power).
  • the set of assistant UEs may keep the same transmission power.
  • the number of aggregated UEs performing UE aggregation transmission may be indicated to increase 2 dBm for all assistant UEs taken together. If there is one assistant UE, it may need to increase 2 dBm transmission power. Otherwise, if there are two assistant UEs, each assistant UE may need to increase 1 dBm transmission power.
  • each UE in the set of aggregated UEs (e.g., Pcmax).
  • each UE in the set of aggregated UEs for UE aggregation transmission, each UE may be configured with a value of its transmission power adjustment granularity as a function of its capability (e.g., Pcmax).
  • the source UE may be configured with a first transmission power adjustment granularity and the assistant UEs may be configured with a second transmission power adjustment granularity.
  • the source UE may then determine the amount transmission power adjustment for each UE based on the UE role in the group.
  • the PHR of each UE may determine whether one assistant UE in the set of aggregated UEs keep its transmission power based on the PHR of the assistant UE. Specifically, if the PHR of the assistant UE is smaller than a configured threshold, the assistant UE may keep its transmission power. This approach may be motivated to allow the assistant UE to operate in a preferred transmission power.
  • each UE e.g., assistant UE
  • a UE e.g., source UE, assistant UE
  • the UE may request the UEs having PHR being smaller than a configured threshold to reduce its transmission power.
  • Other UEs having PHR being larger than the configured threshold may keep its transmission power.
  • a UE e.g., the source UE
  • the UE may request the UE with the highest to increase its transmission power.
  • Other UEs may keep the same transmission power.
  • the UE may request the UEs having PHR being smaller larger a configured threshold to increase its transmission power.
  • Other UEs having PHR being larger than the configured threshold may keep its transmission power.
  • each UE e.g., assistant UE
  • each UE may be configured with a transmission power adjustment granularity as a function of the current transmission power of the UE.
  • a UE may then determine the amount of its power adjustment as the function of its current transmission power for UE aggregation transmission.
  • a UE e.g., the source UE
  • Other UEs may keep the same transmission power.
  • a UE for the set of aggregated UEs for uplink transmission, upon reception of power increase indication for the group, a UE (e.g., the source UE) may request the assistant UEs with smallest pathloss to increase the transmission power. Other assistant UEs may keep its transmission power.
  • a UE upon reception of power increase for the group of aggregated UEs, a UE (e.g., the source UE) may request the UEs with PL being smaller than a configured threshold to increase transmission power and the UEs with PL being larger than the configured threshold to keep their transmission power.
  • the amount of power adjustment from other UEs in the group may be configured with the group of aggregated UEs link quality between each UE and the gNB.
  • the UE forwards the transmission power adjustment indication to the set of UEs.
  • a UE e.g., source UE, group coordinator
  • the UE may use one or any combination of SCI, PC5 MAC CE, PC5 RRC, and/or NAS message to convey transmission power adjustment indication from the network to the indicated UE(s).
  • the UE may convey the transmission power adjustment indication to the set of indicated UE(s) using one or more of groupcast transmission (for example, the UE may establish a PC5 RRC connection for a set of UEs to exchange transmission power adjustment indication from the gNB, be configured with a group destination ID to transmit a message for the group, indicate the group destination ID to the UEs in the group and may then use a groupcast PC5 RRC message to convey the transmission power adjustment indication to the indicated UE(s), where the message may indicate the group destination ID in the SCI (e.g., second stage SCI) and where the DCI information may be forwarded to the member UE adjustment indication), and unicast transmission (for example, the UE may establish unicast PC5 RRC connection for each UE in the group of UEs, determine in the received DCI which UE is indicated to adjust its transmission power and the associated transmission power adjustment determination (e.g., whether the UE should increase/reduce its transmission power) and may then transmit to each indicated UE transmission power
  • FIG. 6 illustrates a method for Close-Loop Power Control (CLPC) for UE aggregation according to an embodiment of the present principles.
  • a UE e.g., source UE
  • the UE is configured with UE aggregation transmissions (e.g., SFN-based transmission) and a group of aggregated UEs (e.g., itself and a set of assistant UEs).
  • the UE can receive information indicative of the configuration and configure itself.
  • step S606 the UE monitors TPC DCI for a group of UEs for UE aggregation transmission.
  • step S608 the UE receives an indication from the network (e.g., TPC DCI) to adjust transmission power for the group.
  • the network e.g., TPC DCI
  • step S610 the UE determines the amount of transmission power adjustment for itself and the set of aggregated UEs based on the number of aggregated UEs and PHR of each UE.
  • the network requests the group of two UEs to increase transmission power by 2 dBm
  • each UE increases its transmission power of 1 dBm if no UE has PHR or, if the assistant UE has negative PHR, the source UE increases its transmission power by 2 dBm.
  • step S612 the UE sends the determined transmission power adjustment value for the member UEs to adjust the transmission power for UE aggregation.
  • step S614 the UE adjusts its transmission power by the determined value for UE aggregation transmission.
  • the UE determines PHR for the aggregated group.
  • the UE e.g., source UE
  • the UE may be configured with a set of aggregated UEs (e.g., the group of aggregated UE) for UE aggregation transmission (e.g., the first scheme for UE aggregation).
  • the PHR of the group may be determined based on the PHR of each UE in the group.
  • the PHR group may be the sum of the PHRs of the UEs in the group.
  • the UE may consider the UE with fixed transmission power having PHR being equal to zero.
  • the PHR of the group may be determined based on the transmission power of each UE in the group and the maximum transmission power of the set of aggregated UEs for serving cell c (e.g., Pcmax aggregated).
  • the PHR group may be the difference between the total transmission power of all UEs in the group and Pcmax aggregated.
  • the UE indicates the condition for UE in the set of aggregated UEs to report PHR.
  • the UE e.g., source UE
  • the UE may be configured by the gNB to report PHR for the set of aggregated UEs.
  • the UE indicates the condition for the assistant UE to report PHR.
  • the source UE may request the assistant UE to report PHR periodically, in which the periodicity may be configured by the network.
  • the source UE may request the assistant UE to report PHR based on the triggering condition at the assistant UE.
  • the source UE may request the assistant UE to report the assistant UE to report the PHR.
  • the UE may send the PHR request for the group using one or any combination of SCI, PC5 MAC CE, and/or PC5 RRC.
  • the UE may use an ID associated with the group (e.g., group destination ID) to convey the PHR request in groupcast transmission.
  • the methods provided herein may be implemented in a computer program, software, or firmware incorporated in a computer-readable medium for execution by a computer or processor.
  • Examples of computer-readable media include electronic signals (transmitted over wired or wireless connections) and computer-readable storage media.
  • Examples of computer- readable storage media include, but are not limited to, a read only memory (ROM), a random access memory (RAM), a register, cache memory, semiconductor memory devices, magnetic media such as internal hard disks and removable disks, magneto-optical media, and optical media such as CD-ROM disks, and digital versatile disks (DVDs).
  • a processor in association with software may be used to implement a radio frequency transceiver for use in a WTRU, UE, terminal, base station, RNC, or any host computer.
  • a signal bearing medium examples include, but are not limited to, the following: a recordable type medium such as a floppy disk, a hard disk drive, a CD, a DVD, a digital tape, a computer memory, etc., and a transmission type medium such as a digital and/or an analog communication medium (e.g., a fiber optic cable, a waveguide, a wired communications link, a wireless communication link, etc.).
  • a signal bearing medium include, but are not limited to, the following: a recordable type medium such as a floppy disk, a hard disk drive, a CD, a DVD, a digital tape, a computer memory, etc.
  • a transmission type medium such as a digital and/or an analog communication medium (e.g., a fiber optic cable, a waveguide, a wired communications link, a wireless communication link, etc.).
  • a typical data processing system may generally include one or more of a system unit housing, a video display device, a memory such as volatile and non-volatile memory, processors such as microprocessors and digital signal processors, computational entities such as operating systems, drivers, graphical user interfaces, and applications programs, one or more interaction devices, such as a touch pad or screen, and/or control systems including feedback loops and control motors (e.g., feedback for sensing position and/or velocity, control motors for moving and/or adjusting components and/or quantities).
  • a typical data processing system may be implemented utilizing any suitable commercially available components, such as those typically found in data computing/communication and/or network computing/communication systems.
  • any two components so associated may also be viewed as being “operably connected”, or “operably coupled”, to each other to achieve the desired functionality, and any two components capable of being so associated may also be viewed as being “operably couplable” to each other to achieve the desired functionality.
  • operably couplable include but are not limited to physically mateable and/or physically interacting components and/or wirelessly interactable and/or wirelessly interacting components and/or logically interacting and/or logically interactable components.
  • a range includes each individual member.
  • a group having 1-3 cells refers to groups having 1, 2, or 3 cells.
  • a group having 1-5 cells refers to groups having 1, 2, 3, 4, or 5 cells, and so forth.

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

Abstract

L'invention concerne des procédures, des procédés, des architectures, des appareils, des systèmes, des dispositifs et des produits programmes d'ordinateur pour la commande de puissance destinée à une agrégation d'unités d'émission/réception sans fil (WTRU). Une WTRU, dans un groupe de WTRU agrégées, reçoit des informations indiquant une demande de réglage de puissance de transmission pour le groupe de WTRU agrégées, détermine, pour au moins la première WTRU et/ou au moins une seconde WTRU dans le groupe de WTRU agrégées, une quantité de réglage de puissance respective sur la base des informations indiquant la disponibilité de puissance de transmission, et envoie, à une seconde WTRU de la ou des secondes WTRU pour lesquelles une quantité de réglage de puissance non nulle a été déterminée, la quantité de réglage de puissance non nulle correspondant à la seconde WTRU.
PCT/US2025/016601 2024-02-23 2025-02-20 Commande de puissance pour unités d'émission/réception sans fil agrégées Pending WO2025179021A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020069175A1 (fr) * 2018-09-26 2020-04-02 Idac Holdings, Inc. Commande de puissance pour communication véhicule-à-tout (v2x)
WO2020223219A1 (fr) * 2019-04-30 2020-11-05 Convida Wireless, Llc Dispositif électronique et procédés pour effectuer une agrégation de données dans un équipement utilisateur 5g
WO2023081254A1 (fr) * 2021-11-03 2023-05-11 Idac Holdings, Inc. Puissance accrue en liaison montante pour agrégation de porteuses dans les systèmes sans fil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020069175A1 (fr) * 2018-09-26 2020-04-02 Idac Holdings, Inc. Commande de puissance pour communication véhicule-à-tout (v2x)
WO2020223219A1 (fr) * 2019-04-30 2020-11-05 Convida Wireless, Llc Dispositif électronique et procédés pour effectuer une agrégation de données dans un équipement utilisateur 5g
WO2023081254A1 (fr) * 2021-11-03 2023-05-11 Idac Holdings, Inc. Puissance accrue en liaison montante pour agrégation de porteuses dans les systèmes sans fil

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